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authormarha <marha@users.sourceforge.net>2012-06-08 14:29:46 +0200
committermarha <marha@users.sourceforge.net>2012-06-08 14:50:37 +0200
commit72ec0e3bb2d7fc6b77b2a75873792f781679da6a (patch)
tree0a736ab9a8c26276929ab077dc661e3625b54884 /mesalib/src/mesa/tnl
parent5e865910f0ce672295bd60460631339be5e311a0 (diff)
parent990bc3f015a4f8fce2eb918375defcd44980a845 (diff)
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Merge remote-tracking branch 'origin/released'
Conflicts: fontconfig/.gitignore libX11/src/ConvSel.c libX11/src/CrGlCur.c libX11/src/CrWindow.c libX11/src/GetDflt.c libX11/src/Window.c libX11/src/xlibi18n/XimProto.h libX11/src/xlibi18n/lcDynamic.c libxcb/src/.gitignore libxcb/src/xcb_ext.c libxcb/src/xcb_xid.c mesalib/src/glsl/.gitignore mesalib/src/glsl/glcpp/.gitignore mesalib/src/mapi/glapi/gen/glX_API.xml mesalib/src/mapi/glapi/glapi_getproc.c mesalib/src/mesa/main/.gitignore mesalib/src/mesa/main/syncobj.c mesalib/src/mesa/program/.gitignore xkbcomp/listing.c xkbcomp/xkbpath.c xorg-server/.gitignore xorg-server/Xext/xvmain.c xorg-server/dix/dispatch.c xorg-server/hw/xwin/glx/winpriv.h xorg-server/hw/xwin/winprefsyacc.y xorg-server/hw/xwin/winscrinit.c xorg-server/xkeyboard-config/rules/bin/ml1_s.sh xorg-server/xkeyboard-config/rules/bin/ml1v1_s.sh xorg-server/xkeyboard-config/rules/bin/ml1v_s.sh xorg-server/xkeyboard-config/rules/bin/ml_s.sh xorg-server/xkeyboard-config/rules/bin/mlv_s.sh xorg-server/xkeyboard-config/rules/compat/.gitignore
Diffstat (limited to 'mesalib/src/mesa/tnl')
-rw-r--r--mesalib/src/mesa/tnl/t_pipeline.h146
-rw-r--r--mesalib/src/mesa/tnl/t_vb_fog.c552
-rw-r--r--mesalib/src/mesa/tnl/t_vb_normals.c374
-rw-r--r--mesalib/src/mesa/tnl/t_vb_points.c228
-rw-r--r--mesalib/src/mesa/tnl/t_vb_render.c696
-rw-r--r--mesalib/src/mesa/tnl/t_vb_rendertmp.h972
-rw-r--r--mesalib/src/mesa/tnl/t_vb_texgen.c1218
-rw-r--r--mesalib/src/mesa/tnl/t_vb_texmat.c256
-rw-r--r--mesalib/src/mesa/tnl/t_vb_vertex.c566
-rw-r--r--mesalib/src/mesa/tnl/t_vertex.h368
-rw-r--r--mesalib/src/mesa/tnl/t_vp_build.c120
-rw-r--r--mesalib/src/mesa/tnl/t_vp_build.h84
12 files changed, 2790 insertions, 2790 deletions
diff --git a/mesalib/src/mesa/tnl/t_pipeline.h b/mesalib/src/mesa/tnl/t_pipeline.h
index 579207889..0eb03395c 100644
--- a/mesalib/src/mesa/tnl/t_pipeline.h
+++ b/mesalib/src/mesa/tnl/t_pipeline.h
@@ -1,73 +1,73 @@
-/*
- * Mesa 3-D graphics library
- * Version: 6.5.3
- *
- * Copyright (C) 1999-2007 Brian Paul All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Keith Whitwell <keith@tungstengraphics.com>
- */
-
-
-
-#ifndef _T_PIPELINE_H_
-#define _T_PIPELINE_H_
-
-#include "main/mtypes.h"
-#include "t_context.h"
-
-extern void _tnl_run_pipeline( struct gl_context *ctx );
-
-extern void _tnl_destroy_pipeline( struct gl_context *ctx );
-
-extern void _tnl_install_pipeline( struct gl_context *ctx,
- const struct tnl_pipeline_stage **stages );
-
-
-/* These are implemented in the t_vb_*.c files:
- */
-extern const struct tnl_pipeline_stage _tnl_vertex_transform_stage;
-extern const struct tnl_pipeline_stage _tnl_normal_transform_stage;
-extern const struct tnl_pipeline_stage _tnl_lighting_stage;
-extern const struct tnl_pipeline_stage _tnl_fog_coordinate_stage;
-extern const struct tnl_pipeline_stage _tnl_texgen_stage;
-extern const struct tnl_pipeline_stage _tnl_texture_transform_stage;
-extern const struct tnl_pipeline_stage _tnl_point_attenuation_stage;
-extern const struct tnl_pipeline_stage _tnl_vertex_program_stage;
-extern const struct tnl_pipeline_stage _tnl_render_stage;
-
-/* Shorthand to plug in the default pipeline:
- */
-extern const struct tnl_pipeline_stage *_tnl_default_pipeline[];
-extern const struct tnl_pipeline_stage *_tnl_vp_pipeline[];
-
-
-/* Convenience routines provided by t_vb_render.c:
- */
-extern tnl_render_func _tnl_render_tab_elts[];
-extern tnl_render_func _tnl_render_tab_verts[];
-
-extern void _tnl_RenderClippedPolygon( struct gl_context *ctx,
- const GLuint *elts, GLuint n );
-
-extern void _tnl_RenderClippedLine( struct gl_context *ctx, GLuint ii, GLuint jj );
-
-
-#endif
+/*
+ * Mesa 3-D graphics library
+ * Version: 6.5.3
+ *
+ * Copyright (C) 1999-2007 Brian Paul All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ * Keith Whitwell <keith@tungstengraphics.com>
+ */
+
+
+
+#ifndef _T_PIPELINE_H_
+#define _T_PIPELINE_H_
+
+#include "main/mtypes.h"
+#include "t_context.h"
+
+extern void _tnl_run_pipeline( struct gl_context *ctx );
+
+extern void _tnl_destroy_pipeline( struct gl_context *ctx );
+
+extern void _tnl_install_pipeline( struct gl_context *ctx,
+ const struct tnl_pipeline_stage **stages );
+
+
+/* These are implemented in the t_vb_*.c files:
+ */
+extern const struct tnl_pipeline_stage _tnl_vertex_transform_stage;
+extern const struct tnl_pipeline_stage _tnl_normal_transform_stage;
+extern const struct tnl_pipeline_stage _tnl_lighting_stage;
+extern const struct tnl_pipeline_stage _tnl_fog_coordinate_stage;
+extern const struct tnl_pipeline_stage _tnl_texgen_stage;
+extern const struct tnl_pipeline_stage _tnl_texture_transform_stage;
+extern const struct tnl_pipeline_stage _tnl_point_attenuation_stage;
+extern const struct tnl_pipeline_stage _tnl_vertex_program_stage;
+extern const struct tnl_pipeline_stage _tnl_render_stage;
+
+/* Shorthand to plug in the default pipeline:
+ */
+extern const struct tnl_pipeline_stage *_tnl_default_pipeline[];
+extern const struct tnl_pipeline_stage *_tnl_vp_pipeline[];
+
+
+/* Convenience routines provided by t_vb_render.c:
+ */
+extern tnl_render_func _tnl_render_tab_elts[];
+extern tnl_render_func _tnl_render_tab_verts[];
+
+extern void _tnl_RenderClippedPolygon( struct gl_context *ctx,
+ const GLuint *elts, GLuint n );
+
+extern void _tnl_RenderClippedLine( struct gl_context *ctx, GLuint ii, GLuint jj );
+
+
+#endif
diff --git a/mesalib/src/mesa/tnl/t_vb_fog.c b/mesalib/src/mesa/tnl/t_vb_fog.c
index 3e5c99735..cbd8dfc96 100644
--- a/mesalib/src/mesa/tnl/t_vb_fog.c
+++ b/mesalib/src/mesa/tnl/t_vb_fog.c
@@ -1,276 +1,276 @@
-/*
- * Mesa 3-D graphics library
- * Version: 6.5
- *
- * Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Keith Whitwell <keith@tungstengraphics.com>
- */
-
-
-#include "main/glheader.h"
-#include "main/colormac.h"
-#include "main/macros.h"
-#include "main/imports.h"
-#include "main/mtypes.h"
-
-#include "math/m_xform.h"
-
-#include "t_context.h"
-#include "t_pipeline.h"
-
-
-struct fog_stage_data {
- GLvector4f fogcoord; /* has actual storage allocated */
-};
-
-#define FOG_STAGE_DATA(stage) ((struct fog_stage_data *)stage->privatePtr)
-
-#define FOG_EXP_TABLE_SIZE 256
-#define FOG_MAX (10.0)
-#define EXP_FOG_MAX .0006595
-#define FOG_INCR (FOG_MAX/FOG_EXP_TABLE_SIZE)
-static GLfloat exp_table[FOG_EXP_TABLE_SIZE];
-static GLfloat inited = 0;
-
-#if 1
-#define NEG_EXP( result, narg ) \
-do { \
- GLfloat f = (GLfloat) (narg * (1.0/FOG_INCR)); \
- GLint k = (GLint) f; \
- if (k > FOG_EXP_TABLE_SIZE-2) \
- result = (GLfloat) EXP_FOG_MAX; \
- else \
- result = exp_table[k] + (f-k)*(exp_table[k+1]-exp_table[k]); \
-} while (0)
-#else
-#define NEG_EXP( result, narg ) \
-do { \
- result = exp(-narg); \
-} while (0)
-#endif
-
-
-/**
- * Initialize the exp_table[] lookup table for approximating exp().
- */
-static void
-init_static_data( void )
-{
- GLfloat f = 0.0F;
- GLint i = 0;
- for ( ; i < FOG_EXP_TABLE_SIZE ; i++, f += FOG_INCR) {
- exp_table[i] = EXPF(-f);
- }
- inited = 1;
-}
-
-
-/**
- * Compute per-vertex fog blend factors from fog coordinates by
- * evaluating the GL_LINEAR, GL_EXP or GL_EXP2 fog function.
- * Fog coordinates are distances from the eye (typically between the
- * near and far clip plane distances).
- * Note that fogcoords may be negative, if eye z is source absolute
- * value must be taken earlier.
- * Fog blend factors are in the range [0,1].
- */
-static void
-compute_fog_blend_factors(struct gl_context *ctx, GLvector4f *out, const GLvector4f *in)
-{
- GLfloat end = ctx->Fog.End;
- GLfloat *v = in->start;
- GLuint stride = in->stride;
- GLuint n = in->count;
- GLfloat (*data)[4] = out->data;
- GLfloat d;
- GLuint i;
-
- out->count = in->count;
-
- switch (ctx->Fog.Mode) {
- case GL_LINEAR:
- if (ctx->Fog.Start == ctx->Fog.End)
- d = 1.0F;
- else
- d = 1.0F / (ctx->Fog.End - ctx->Fog.Start);
- for ( i = 0 ; i < n ; i++, STRIDE_F(v, stride)) {
- const GLfloat z = *v;
- GLfloat f = (end - z) * d;
- data[i][0] = CLAMP(f, 0.0F, 1.0F);
- }
- break;
- case GL_EXP:
- d = ctx->Fog.Density;
- for ( i = 0 ; i < n ; i++, STRIDE_F(v,stride)) {
- const GLfloat z = *v;
- NEG_EXP( data[i][0], d * z );
- }
- break;
- case GL_EXP2:
- d = ctx->Fog.Density*ctx->Fog.Density;
- for ( i = 0 ; i < n ; i++, STRIDE_F(v, stride)) {
- const GLfloat z = *v;
- NEG_EXP( data[i][0], d * z * z );
- }
- break;
- default:
- _mesa_problem(ctx, "Bad fog mode in make_fog_coord");
- return;
- }
-}
-
-
-static GLboolean
-run_fog_stage(struct gl_context *ctx, struct tnl_pipeline_stage *stage)
-{
- TNLcontext *tnl = TNL_CONTEXT(ctx);
- struct vertex_buffer *VB = &tnl->vb;
- struct fog_stage_data *store = FOG_STAGE_DATA(stage);
- GLvector4f *input;
-
-
- if (!ctx->Fog.Enabled)
- return GL_TRUE;
-
- if (ctx->Fog.FogCoordinateSource == GL_FRAGMENT_DEPTH_EXT && !ctx->VertexProgram._Current) {
- GLuint i;
- GLfloat *coord;
- /* Fog is computed from vertex or fragment Z values */
- /* source = VB->AttribPtr[_TNL_ATTRIB_POS] or VB->EyePtr coords */
- /* dest = VB->AttribPtr[_TNL_ATTRIB_FOG] = fog stage private storage */
- VB->AttribPtr[_TNL_ATTRIB_FOG] = &store->fogcoord;
-
- if (!ctx->_NeedEyeCoords) {
- /* compute fog coords from object coords */
- const GLfloat *m = ctx->ModelviewMatrixStack.Top->m;
- GLfloat plane[4];
-
- /* Use this to store calculated eye z values:
- */
- input = &store->fogcoord;
-
- plane[0] = m[2];
- plane[1] = m[6];
- plane[2] = m[10];
- plane[3] = m[14];
- /* Full eye coords weren't required, just calculate the
- * eye Z values.
- */
- _mesa_dotprod_tab[VB->AttribPtr[_TNL_ATTRIB_POS]->size]
- ( (GLfloat *) input->data,
- 4 * sizeof(GLfloat),
- VB->AttribPtr[_TNL_ATTRIB_POS], plane );
-
- input->count = VB->AttribPtr[_TNL_ATTRIB_POS]->count;
-
- /* make sure coords are really positive
- NOTE should avoid going through array twice */
- coord = input->start;
- for (i = 0; i < input->count; i++) {
- *coord = FABSF(*coord);
- STRIDE_F(coord, input->stride);
- }
- }
- else {
- /* fog coordinates = eye Z coordinates - need to copy for ABS */
- input = &store->fogcoord;
-
- if (VB->EyePtr->size < 2)
- _mesa_vector4f_clean_elem( VB->EyePtr, VB->Count, 2 );
-
- input->stride = 4 * sizeof(GLfloat);
- input->count = VB->EyePtr->count;
- coord = VB->EyePtr->start;
- for (i = 0 ; i < VB->EyePtr->count; i++) {
- input->data[i][0] = FABSF(coord[2]);
- STRIDE_F(coord, VB->EyePtr->stride);
- }
- }
- }
- else {
- /* use glFogCoord() coordinates */
- input = VB->AttribPtr[_TNL_ATTRIB_FOG]; /* source data */
-
- /* input->count may be one if glFogCoord was only called once
- * before glBegin. But we need to compute fog for all vertices.
- */
- input->count = VB->AttribPtr[_TNL_ATTRIB_POS]->count;
-
- VB->AttribPtr[_TNL_ATTRIB_FOG] = &store->fogcoord; /* dest data */
- }
-
- if (tnl->_DoVertexFog) {
- /* compute blend factors from fog coordinates */
- compute_fog_blend_factors( ctx, VB->AttribPtr[_TNL_ATTRIB_FOG], input );
- }
- else {
- /* results = incoming fog coords (compute fog per-fragment later) */
- VB->AttribPtr[_TNL_ATTRIB_FOG] = input;
- }
-
- return GL_TRUE;
-}
-
-
-
-/* Called the first time stage->run() is invoked.
- */
-static GLboolean
-alloc_fog_data(struct gl_context *ctx, struct tnl_pipeline_stage *stage)
-{
- TNLcontext *tnl = TNL_CONTEXT(ctx);
- struct fog_stage_data *store;
- stage->privatePtr = MALLOC(sizeof(*store));
- store = FOG_STAGE_DATA(stage);
- if (!store)
- return GL_FALSE;
-
- _mesa_vector4f_alloc( &store->fogcoord, 0, tnl->vb.Size, 32 );
-
- if (!inited)
- init_static_data();
-
- return GL_TRUE;
-}
-
-
-static void
-free_fog_data(struct tnl_pipeline_stage *stage)
-{
- struct fog_stage_data *store = FOG_STAGE_DATA(stage);
- if (store) {
- _mesa_vector4f_free( &store->fogcoord );
- FREE( store );
- stage->privatePtr = NULL;
- }
-}
-
-
-const struct tnl_pipeline_stage _tnl_fog_coordinate_stage =
-{
- "build fog coordinates", /* name */
- NULL, /* private_data */
- alloc_fog_data, /* dtr */
- free_fog_data, /* dtr */
- NULL, /* check */
- run_fog_stage /* run -- initially set to init. */
-};
+/*
+ * Mesa 3-D graphics library
+ * Version: 6.5
+ *
+ * Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ * Keith Whitwell <keith@tungstengraphics.com>
+ */
+
+
+#include "main/glheader.h"
+#include "main/colormac.h"
+#include "main/macros.h"
+#include "main/imports.h"
+#include "main/mtypes.h"
+
+#include "math/m_xform.h"
+
+#include "t_context.h"
+#include "t_pipeline.h"
+
+
+struct fog_stage_data {
+ GLvector4f fogcoord; /* has actual storage allocated */
+};
+
+#define FOG_STAGE_DATA(stage) ((struct fog_stage_data *)stage->privatePtr)
+
+#define FOG_EXP_TABLE_SIZE 256
+#define FOG_MAX (10.0)
+#define EXP_FOG_MAX .0006595
+#define FOG_INCR (FOG_MAX/FOG_EXP_TABLE_SIZE)
+static GLfloat exp_table[FOG_EXP_TABLE_SIZE];
+static GLfloat inited = 0;
+
+#if 1
+#define NEG_EXP( result, narg ) \
+do { \
+ GLfloat f = (GLfloat) (narg * (1.0/FOG_INCR)); \
+ GLint k = (GLint) f; \
+ if (k > FOG_EXP_TABLE_SIZE-2) \
+ result = (GLfloat) EXP_FOG_MAX; \
+ else \
+ result = exp_table[k] + (f-k)*(exp_table[k+1]-exp_table[k]); \
+} while (0)
+#else
+#define NEG_EXP( result, narg ) \
+do { \
+ result = exp(-narg); \
+} while (0)
+#endif
+
+
+/**
+ * Initialize the exp_table[] lookup table for approximating exp().
+ */
+static void
+init_static_data( void )
+{
+ GLfloat f = 0.0F;
+ GLint i = 0;
+ for ( ; i < FOG_EXP_TABLE_SIZE ; i++, f += FOG_INCR) {
+ exp_table[i] = EXPF(-f);
+ }
+ inited = 1;
+}
+
+
+/**
+ * Compute per-vertex fog blend factors from fog coordinates by
+ * evaluating the GL_LINEAR, GL_EXP or GL_EXP2 fog function.
+ * Fog coordinates are distances from the eye (typically between the
+ * near and far clip plane distances).
+ * Note that fogcoords may be negative, if eye z is source absolute
+ * value must be taken earlier.
+ * Fog blend factors are in the range [0,1].
+ */
+static void
+compute_fog_blend_factors(struct gl_context *ctx, GLvector4f *out, const GLvector4f *in)
+{
+ GLfloat end = ctx->Fog.End;
+ GLfloat *v = in->start;
+ GLuint stride = in->stride;
+ GLuint n = in->count;
+ GLfloat (*data)[4] = out->data;
+ GLfloat d;
+ GLuint i;
+
+ out->count = in->count;
+
+ switch (ctx->Fog.Mode) {
+ case GL_LINEAR:
+ if (ctx->Fog.Start == ctx->Fog.End)
+ d = 1.0F;
+ else
+ d = 1.0F / (ctx->Fog.End - ctx->Fog.Start);
+ for ( i = 0 ; i < n ; i++, STRIDE_F(v, stride)) {
+ const GLfloat z = *v;
+ GLfloat f = (end - z) * d;
+ data[i][0] = CLAMP(f, 0.0F, 1.0F);
+ }
+ break;
+ case GL_EXP:
+ d = ctx->Fog.Density;
+ for ( i = 0 ; i < n ; i++, STRIDE_F(v,stride)) {
+ const GLfloat z = *v;
+ NEG_EXP( data[i][0], d * z );
+ }
+ break;
+ case GL_EXP2:
+ d = ctx->Fog.Density*ctx->Fog.Density;
+ for ( i = 0 ; i < n ; i++, STRIDE_F(v, stride)) {
+ const GLfloat z = *v;
+ NEG_EXP( data[i][0], d * z * z );
+ }
+ break;
+ default:
+ _mesa_problem(ctx, "Bad fog mode in make_fog_coord");
+ return;
+ }
+}
+
+
+static GLboolean
+run_fog_stage(struct gl_context *ctx, struct tnl_pipeline_stage *stage)
+{
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ struct vertex_buffer *VB = &tnl->vb;
+ struct fog_stage_data *store = FOG_STAGE_DATA(stage);
+ GLvector4f *input;
+
+
+ if (!ctx->Fog.Enabled)
+ return GL_TRUE;
+
+ if (ctx->Fog.FogCoordinateSource == GL_FRAGMENT_DEPTH_EXT && !ctx->VertexProgram._Current) {
+ GLuint i;
+ GLfloat *coord;
+ /* Fog is computed from vertex or fragment Z values */
+ /* source = VB->AttribPtr[_TNL_ATTRIB_POS] or VB->EyePtr coords */
+ /* dest = VB->AttribPtr[_TNL_ATTRIB_FOG] = fog stage private storage */
+ VB->AttribPtr[_TNL_ATTRIB_FOG] = &store->fogcoord;
+
+ if (!ctx->_NeedEyeCoords) {
+ /* compute fog coords from object coords */
+ const GLfloat *m = ctx->ModelviewMatrixStack.Top->m;
+ GLfloat plane[4];
+
+ /* Use this to store calculated eye z values:
+ */
+ input = &store->fogcoord;
+
+ plane[0] = m[2];
+ plane[1] = m[6];
+ plane[2] = m[10];
+ plane[3] = m[14];
+ /* Full eye coords weren't required, just calculate the
+ * eye Z values.
+ */
+ _mesa_dotprod_tab[VB->AttribPtr[_TNL_ATTRIB_POS]->size]
+ ( (GLfloat *) input->data,
+ 4 * sizeof(GLfloat),
+ VB->AttribPtr[_TNL_ATTRIB_POS], plane );
+
+ input->count = VB->AttribPtr[_TNL_ATTRIB_POS]->count;
+
+ /* make sure coords are really positive
+ NOTE should avoid going through array twice */
+ coord = input->start;
+ for (i = 0; i < input->count; i++) {
+ *coord = FABSF(*coord);
+ STRIDE_F(coord, input->stride);
+ }
+ }
+ else {
+ /* fog coordinates = eye Z coordinates - need to copy for ABS */
+ input = &store->fogcoord;
+
+ if (VB->EyePtr->size < 2)
+ _mesa_vector4f_clean_elem( VB->EyePtr, VB->Count, 2 );
+
+ input->stride = 4 * sizeof(GLfloat);
+ input->count = VB->EyePtr->count;
+ coord = VB->EyePtr->start;
+ for (i = 0 ; i < VB->EyePtr->count; i++) {
+ input->data[i][0] = FABSF(coord[2]);
+ STRIDE_F(coord, VB->EyePtr->stride);
+ }
+ }
+ }
+ else {
+ /* use glFogCoord() coordinates */
+ input = VB->AttribPtr[_TNL_ATTRIB_FOG]; /* source data */
+
+ /* input->count may be one if glFogCoord was only called once
+ * before glBegin. But we need to compute fog for all vertices.
+ */
+ input->count = VB->AttribPtr[_TNL_ATTRIB_POS]->count;
+
+ VB->AttribPtr[_TNL_ATTRIB_FOG] = &store->fogcoord; /* dest data */
+ }
+
+ if (tnl->_DoVertexFog) {
+ /* compute blend factors from fog coordinates */
+ compute_fog_blend_factors( ctx, VB->AttribPtr[_TNL_ATTRIB_FOG], input );
+ }
+ else {
+ /* results = incoming fog coords (compute fog per-fragment later) */
+ VB->AttribPtr[_TNL_ATTRIB_FOG] = input;
+ }
+
+ return GL_TRUE;
+}
+
+
+
+/* Called the first time stage->run() is invoked.
+ */
+static GLboolean
+alloc_fog_data(struct gl_context *ctx, struct tnl_pipeline_stage *stage)
+{
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ struct fog_stage_data *store;
+ stage->privatePtr = MALLOC(sizeof(*store));
+ store = FOG_STAGE_DATA(stage);
+ if (!store)
+ return GL_FALSE;
+
+ _mesa_vector4f_alloc( &store->fogcoord, 0, tnl->vb.Size, 32 );
+
+ if (!inited)
+ init_static_data();
+
+ return GL_TRUE;
+}
+
+
+static void
+free_fog_data(struct tnl_pipeline_stage *stage)
+{
+ struct fog_stage_data *store = FOG_STAGE_DATA(stage);
+ if (store) {
+ _mesa_vector4f_free( &store->fogcoord );
+ FREE( store );
+ stage->privatePtr = NULL;
+ }
+}
+
+
+const struct tnl_pipeline_stage _tnl_fog_coordinate_stage =
+{
+ "build fog coordinates", /* name */
+ NULL, /* private_data */
+ alloc_fog_data, /* dtr */
+ free_fog_data, /* dtr */
+ NULL, /* check */
+ run_fog_stage /* run -- initially set to init. */
+};
diff --git a/mesalib/src/mesa/tnl/t_vb_normals.c b/mesalib/src/mesa/tnl/t_vb_normals.c
index 94e8d0ab5..c19b48e51 100644
--- a/mesalib/src/mesa/tnl/t_vb_normals.c
+++ b/mesalib/src/mesa/tnl/t_vb_normals.c
@@ -1,187 +1,187 @@
-/*
- * Mesa 3-D graphics library
- * Version: 6.5
- *
- * Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Keith Whitwell <keith@tungstengraphics.com>
- */
-
-
-#include "main/glheader.h"
-#include "main/colormac.h"
-#include "main/macros.h"
-#include "main/imports.h"
-#include "main/mtypes.h"
-
-#include "math/m_xform.h"
-
-#include "t_context.h"
-#include "t_pipeline.h"
-
-
-struct normal_stage_data {
- normal_func NormalTransform;
- GLvector4f normal;
-};
-
-#define NORMAL_STAGE_DATA(stage) ((struct normal_stage_data *)stage->privatePtr)
-
-
-static GLboolean
-run_normal_stage(struct gl_context *ctx, struct tnl_pipeline_stage *stage)
-{
- struct normal_stage_data *store = NORMAL_STAGE_DATA(stage);
- struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
- const GLfloat *lengths;
-
- if (!store->NormalTransform)
- return GL_TRUE;
-
- /* We can only use the display list's saved normal lengths if we've
- * got a transformation matrix with uniform scaling.
- */
- if (_math_matrix_is_general_scale(ctx->ModelviewMatrixStack.Top))
- lengths = NULL;
- else
- lengths = VB->NormalLengthPtr;
-
- store->NormalTransform( ctx->ModelviewMatrixStack.Top,
- ctx->_ModelViewInvScale,
- VB->AttribPtr[_TNL_ATTRIB_NORMAL], /* input normals */
- lengths,
- &store->normal ); /* resulting normals */
-
- if (VB->AttribPtr[_TNL_ATTRIB_NORMAL]->count > 1) {
- store->normal.stride = 4 * sizeof(GLfloat);
- }
- else {
- store->normal.stride = 0;
- }
-
- VB->AttribPtr[_TNL_ATTRIB_NORMAL] = &store->normal;
-
- VB->NormalLengthPtr = NULL; /* no longer valid */
- return GL_TRUE;
-}
-
-
-/**
- * Examine current GL state and set the store->NormalTransform pointer
- * to point to the appropriate normal transformation routine.
- */
-static void
-validate_normal_stage(struct gl_context *ctx, struct tnl_pipeline_stage *stage)
-{
- struct normal_stage_data *store = NORMAL_STAGE_DATA(stage);
-
- if (ctx->VertexProgram._Current ||
- (!ctx->Light.Enabled &&
- !(ctx->Texture._GenFlags & TEXGEN_NEED_NORMALS))) {
- store->NormalTransform = NULL;
- return;
- }
-
- if (ctx->_NeedEyeCoords) {
- /* Eye coordinates are needed, for whatever reasons.
- * Do lighting in eye coordinates, as the GL spec says.
- */
- GLuint transform = NORM_TRANSFORM_NO_ROT;
-
- if (_math_matrix_has_rotation(ctx->ModelviewMatrixStack.Top)) {
- /* need to do full (3x3) matrix transform */
- transform = NORM_TRANSFORM;
- }
-
- if (ctx->Transform.Normalize) {
- store->NormalTransform = _mesa_normal_tab[transform | NORM_NORMALIZE];
- }
- else if (ctx->Transform.RescaleNormals &&
- ctx->_ModelViewInvScale != 1.0) {
- store->NormalTransform = _mesa_normal_tab[transform | NORM_RESCALE];
- }
- else {
- store->NormalTransform = _mesa_normal_tab[transform];
- }
- }
- else {
- /* We don't need eye coordinates.
- * Do lighting in object coordinates. Thus, we don't need to fully
- * transform normal vectors (just leave them in object coordinates)
- * but we still need to do normalization/rescaling if enabled.
- */
- if (ctx->Transform.Normalize) {
- store->NormalTransform = _mesa_normal_tab[NORM_NORMALIZE];
- }
- else if (!ctx->Transform.RescaleNormals &&
- ctx->_ModelViewInvScale != 1.0) {
- store->NormalTransform = _mesa_normal_tab[NORM_RESCALE];
- }
- else {
- store->NormalTransform = NULL;
- }
- }
-}
-
-
-/**
- * Allocate stage's private data (storage for transformed normals).
- */
-static GLboolean
-alloc_normal_data(struct gl_context *ctx, struct tnl_pipeline_stage *stage)
-{
- TNLcontext *tnl = TNL_CONTEXT(ctx);
- struct normal_stage_data *store;
-
- stage->privatePtr = malloc(sizeof(*store));
- store = NORMAL_STAGE_DATA(stage);
- if (!store)
- return GL_FALSE;
-
- _mesa_vector4f_alloc( &store->normal, 0, tnl->vb.Size, 32 );
- return GL_TRUE;
-}
-
-
-/**
- * Free stage's private data.
- */
-static void
-free_normal_data(struct tnl_pipeline_stage *stage)
-{
- struct normal_stage_data *store = NORMAL_STAGE_DATA(stage);
- if (store) {
- _mesa_vector4f_free( &store->normal );
- free( store );
- stage->privatePtr = NULL;
- }
-}
-
-
-const struct tnl_pipeline_stage _tnl_normal_transform_stage =
-{
- "normal transform", /* name */
- NULL, /* privatePtr */
- alloc_normal_data, /* create */
- free_normal_data, /* destroy */
- validate_normal_stage, /* validate */
- run_normal_stage /* run */
-};
+/*
+ * Mesa 3-D graphics library
+ * Version: 6.5
+ *
+ * Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ * Keith Whitwell <keith@tungstengraphics.com>
+ */
+
+
+#include "main/glheader.h"
+#include "main/colormac.h"
+#include "main/macros.h"
+#include "main/imports.h"
+#include "main/mtypes.h"
+
+#include "math/m_xform.h"
+
+#include "t_context.h"
+#include "t_pipeline.h"
+
+
+struct normal_stage_data {
+ normal_func NormalTransform;
+ GLvector4f normal;
+};
+
+#define NORMAL_STAGE_DATA(stage) ((struct normal_stage_data *)stage->privatePtr)
+
+
+static GLboolean
+run_normal_stage(struct gl_context *ctx, struct tnl_pipeline_stage *stage)
+{
+ struct normal_stage_data *store = NORMAL_STAGE_DATA(stage);
+ struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
+ const GLfloat *lengths;
+
+ if (!store->NormalTransform)
+ return GL_TRUE;
+
+ /* We can only use the display list's saved normal lengths if we've
+ * got a transformation matrix with uniform scaling.
+ */
+ if (_math_matrix_is_general_scale(ctx->ModelviewMatrixStack.Top))
+ lengths = NULL;
+ else
+ lengths = VB->NormalLengthPtr;
+
+ store->NormalTransform( ctx->ModelviewMatrixStack.Top,
+ ctx->_ModelViewInvScale,
+ VB->AttribPtr[_TNL_ATTRIB_NORMAL], /* input normals */
+ lengths,
+ &store->normal ); /* resulting normals */
+
+ if (VB->AttribPtr[_TNL_ATTRIB_NORMAL]->count > 1) {
+ store->normal.stride = 4 * sizeof(GLfloat);
+ }
+ else {
+ store->normal.stride = 0;
+ }
+
+ VB->AttribPtr[_TNL_ATTRIB_NORMAL] = &store->normal;
+
+ VB->NormalLengthPtr = NULL; /* no longer valid */
+ return GL_TRUE;
+}
+
+
+/**
+ * Examine current GL state and set the store->NormalTransform pointer
+ * to point to the appropriate normal transformation routine.
+ */
+static void
+validate_normal_stage(struct gl_context *ctx, struct tnl_pipeline_stage *stage)
+{
+ struct normal_stage_data *store = NORMAL_STAGE_DATA(stage);
+
+ if (ctx->VertexProgram._Current ||
+ (!ctx->Light.Enabled &&
+ !(ctx->Texture._GenFlags & TEXGEN_NEED_NORMALS))) {
+ store->NormalTransform = NULL;
+ return;
+ }
+
+ if (ctx->_NeedEyeCoords) {
+ /* Eye coordinates are needed, for whatever reasons.
+ * Do lighting in eye coordinates, as the GL spec says.
+ */
+ GLuint transform = NORM_TRANSFORM_NO_ROT;
+
+ if (_math_matrix_has_rotation(ctx->ModelviewMatrixStack.Top)) {
+ /* need to do full (3x3) matrix transform */
+ transform = NORM_TRANSFORM;
+ }
+
+ if (ctx->Transform.Normalize) {
+ store->NormalTransform = _mesa_normal_tab[transform | NORM_NORMALIZE];
+ }
+ else if (ctx->Transform.RescaleNormals &&
+ ctx->_ModelViewInvScale != 1.0) {
+ store->NormalTransform = _mesa_normal_tab[transform | NORM_RESCALE];
+ }
+ else {
+ store->NormalTransform = _mesa_normal_tab[transform];
+ }
+ }
+ else {
+ /* We don't need eye coordinates.
+ * Do lighting in object coordinates. Thus, we don't need to fully
+ * transform normal vectors (just leave them in object coordinates)
+ * but we still need to do normalization/rescaling if enabled.
+ */
+ if (ctx->Transform.Normalize) {
+ store->NormalTransform = _mesa_normal_tab[NORM_NORMALIZE];
+ }
+ else if (!ctx->Transform.RescaleNormals &&
+ ctx->_ModelViewInvScale != 1.0) {
+ store->NormalTransform = _mesa_normal_tab[NORM_RESCALE];
+ }
+ else {
+ store->NormalTransform = NULL;
+ }
+ }
+}
+
+
+/**
+ * Allocate stage's private data (storage for transformed normals).
+ */
+static GLboolean
+alloc_normal_data(struct gl_context *ctx, struct tnl_pipeline_stage *stage)
+{
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ struct normal_stage_data *store;
+
+ stage->privatePtr = malloc(sizeof(*store));
+ store = NORMAL_STAGE_DATA(stage);
+ if (!store)
+ return GL_FALSE;
+
+ _mesa_vector4f_alloc( &store->normal, 0, tnl->vb.Size, 32 );
+ return GL_TRUE;
+}
+
+
+/**
+ * Free stage's private data.
+ */
+static void
+free_normal_data(struct tnl_pipeline_stage *stage)
+{
+ struct normal_stage_data *store = NORMAL_STAGE_DATA(stage);
+ if (store) {
+ _mesa_vector4f_free( &store->normal );
+ free( store );
+ stage->privatePtr = NULL;
+ }
+}
+
+
+const struct tnl_pipeline_stage _tnl_normal_transform_stage =
+{
+ "normal transform", /* name */
+ NULL, /* privatePtr */
+ alloc_normal_data, /* create */
+ free_normal_data, /* destroy */
+ validate_normal_stage, /* validate */
+ run_normal_stage /* run */
+};
diff --git a/mesalib/src/mesa/tnl/t_vb_points.c b/mesalib/src/mesa/tnl/t_vb_points.c
index 1bf961a6d..9edbbc708 100644
--- a/mesalib/src/mesa/tnl/t_vb_points.c
+++ b/mesalib/src/mesa/tnl/t_vb_points.c
@@ -1,114 +1,114 @@
-/*
- * Mesa 3-D graphics library
- * Version: 7.0
- *
- * Copyright (C) 1999-2007 Brian Paul All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Brian Paul
- */
-
-#include "main/glheader.h"
-#include "main/mtypes.h"
-#include "main/dd.h"
-#include "main/imports.h"
-#include "t_context.h"
-#include "t_pipeline.h"
-
-
-struct point_stage_data {
- GLvector4f PointSize;
-};
-
-#define POINT_STAGE_DATA(stage) ((struct point_stage_data *)stage->privatePtr)
-
-
-/**
- * Compute point size for each vertex from the vertex eye-space Z
- * coordinate and the point size attenuation factors.
- * Only done when point size attenuation is enabled and vertex program is
- * disabled.
- */
-static GLboolean
-run_point_stage(struct gl_context *ctx, struct tnl_pipeline_stage *stage)
-{
- if (ctx->Point._Attenuated && !ctx->VertexProgram._Current) {
- struct point_stage_data *store = POINT_STAGE_DATA(stage);
- struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
- const GLfloat *eyeCoord = (GLfloat *) VB->EyePtr->data + 2;
- const GLint eyeCoordStride = VB->EyePtr->stride / sizeof(GLfloat);
- const GLfloat p0 = ctx->Point.Params[0];
- const GLfloat p1 = ctx->Point.Params[1];
- const GLfloat p2 = ctx->Point.Params[2];
- const GLfloat pointSize = ctx->Point.Size;
- GLfloat (*size)[4] = store->PointSize.data;
- GLuint i;
-
- for (i = 0; i < VB->Count; i++) {
- const GLfloat dist = FABSF(*eyeCoord);
- const GLfloat q = p0 + dist * (p1 + dist * p2);
- const GLfloat atten = (q != 0.0F) ? SQRTF(1.0F / q) : 1.0F;
- size[i][0] = pointSize * atten; /* clamping done in rasterization */
- eyeCoord += eyeCoordStride;
- }
-
- VB->AttribPtr[_TNL_ATTRIB_POINTSIZE] = &store->PointSize;
- }
-
- return GL_TRUE;
-}
-
-
-static GLboolean
-alloc_point_data(struct gl_context *ctx, struct tnl_pipeline_stage *stage)
-{
- struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
- struct point_stage_data *store;
- stage->privatePtr = malloc(sizeof(*store));
- store = POINT_STAGE_DATA(stage);
- if (!store)
- return GL_FALSE;
-
- _mesa_vector4f_alloc( &store->PointSize, 0, VB->Size, 32 );
- return GL_TRUE;
-}
-
-
-static void
-free_point_data(struct tnl_pipeline_stage *stage)
-{
- struct point_stage_data *store = POINT_STAGE_DATA(stage);
- if (store) {
- _mesa_vector4f_free( &store->PointSize );
- free( store );
- stage->privatePtr = NULL;
- }
-}
-
-
-const struct tnl_pipeline_stage _tnl_point_attenuation_stage =
-{
- "point size attenuation", /* name */
- NULL, /* stage private data */
- alloc_point_data, /* alloc data */
- free_point_data, /* destructor */
- NULL,
- run_point_stage /* run */
-};
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.0
+ *
+ * Copyright (C) 1999-2007 Brian Paul All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ * Brian Paul
+ */
+
+#include "main/glheader.h"
+#include "main/mtypes.h"
+#include "main/dd.h"
+#include "main/imports.h"
+#include "t_context.h"
+#include "t_pipeline.h"
+
+
+struct point_stage_data {
+ GLvector4f PointSize;
+};
+
+#define POINT_STAGE_DATA(stage) ((struct point_stage_data *)stage->privatePtr)
+
+
+/**
+ * Compute point size for each vertex from the vertex eye-space Z
+ * coordinate and the point size attenuation factors.
+ * Only done when point size attenuation is enabled and vertex program is
+ * disabled.
+ */
+static GLboolean
+run_point_stage(struct gl_context *ctx, struct tnl_pipeline_stage *stage)
+{
+ if (ctx->Point._Attenuated && !ctx->VertexProgram._Current) {
+ struct point_stage_data *store = POINT_STAGE_DATA(stage);
+ struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
+ const GLfloat *eyeCoord = (GLfloat *) VB->EyePtr->data + 2;
+ const GLint eyeCoordStride = VB->EyePtr->stride / sizeof(GLfloat);
+ const GLfloat p0 = ctx->Point.Params[0];
+ const GLfloat p1 = ctx->Point.Params[1];
+ const GLfloat p2 = ctx->Point.Params[2];
+ const GLfloat pointSize = ctx->Point.Size;
+ GLfloat (*size)[4] = store->PointSize.data;
+ GLuint i;
+
+ for (i = 0; i < VB->Count; i++) {
+ const GLfloat dist = FABSF(*eyeCoord);
+ const GLfloat q = p0 + dist * (p1 + dist * p2);
+ const GLfloat atten = (q != 0.0F) ? SQRTF(1.0F / q) : 1.0F;
+ size[i][0] = pointSize * atten; /* clamping done in rasterization */
+ eyeCoord += eyeCoordStride;
+ }
+
+ VB->AttribPtr[_TNL_ATTRIB_POINTSIZE] = &store->PointSize;
+ }
+
+ return GL_TRUE;
+}
+
+
+static GLboolean
+alloc_point_data(struct gl_context *ctx, struct tnl_pipeline_stage *stage)
+{
+ struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
+ struct point_stage_data *store;
+ stage->privatePtr = malloc(sizeof(*store));
+ store = POINT_STAGE_DATA(stage);
+ if (!store)
+ return GL_FALSE;
+
+ _mesa_vector4f_alloc( &store->PointSize, 0, VB->Size, 32 );
+ return GL_TRUE;
+}
+
+
+static void
+free_point_data(struct tnl_pipeline_stage *stage)
+{
+ struct point_stage_data *store = POINT_STAGE_DATA(stage);
+ if (store) {
+ _mesa_vector4f_free( &store->PointSize );
+ free( store );
+ stage->privatePtr = NULL;
+ }
+}
+
+
+const struct tnl_pipeline_stage _tnl_point_attenuation_stage =
+{
+ "point size attenuation", /* name */
+ NULL, /* stage private data */
+ alloc_point_data, /* alloc data */
+ free_point_data, /* destructor */
+ NULL,
+ run_point_stage /* run */
+};
diff --git a/mesalib/src/mesa/tnl/t_vb_render.c b/mesalib/src/mesa/tnl/t_vb_render.c
index 64dabca98..cb3192132 100644
--- a/mesalib/src/mesa/tnl/t_vb_render.c
+++ b/mesalib/src/mesa/tnl/t_vb_render.c
@@ -1,348 +1,348 @@
-/*
- * Mesa 3-D graphics library
- * Version: 6.5
- *
- * Copyright (C) 1999-2005 Brian Paul All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Keith Whitwell <keith@tungstengraphics.com>
- */
-
-
-/*
- * Render whole vertex buffers, including projection of vertices from
- * clip space and clipping of primitives.
- *
- * This file makes calls to project vertices and to the point, line
- * and triangle rasterizers via the function pointers:
- *
- * context->Driver.Render.*
- *
- */
-
-
-#include "main/glheader.h"
-#include "main/context.h"
-#include "main/enums.h"
-#include "main/macros.h"
-#include "main/imports.h"
-#include "main/mtypes.h"
-#include "math/m_xform.h"
-
-#include "t_pipeline.h"
-
-
-
-/**********************************************************************/
-/* Clip single primitives */
-/**********************************************************************/
-
-
-#define W(i) coord[i][3]
-#define Z(i) coord[i][2]
-#define Y(i) coord[i][1]
-#define X(i) coord[i][0]
-#define SIZE 4
-#define TAG(x) x##_4
-#include "t_vb_cliptmp.h"
-
-
-
-/**********************************************************************/
-/* Clip and render whole begin/end objects */
-/**********************************************************************/
-
-#define NEED_EDGEFLAG_SETUP (ctx->Polygon.FrontMode != GL_FILL || ctx->Polygon.BackMode != GL_FILL)
-#define EDGEFLAG_GET(idx) VB->EdgeFlag[idx]
-#define EDGEFLAG_SET(idx, val) VB->EdgeFlag[idx] = val
-
-
-/* This does NOT include the CLIP_USER_BIT! */
-#define CLIPMASK (CLIP_FRUSTUM_BITS | CLIP_CULL_BIT)
-
-
-/* Vertices, with the possibility of clipping.
- */
-#define RENDER_POINTS( start, count ) \
- tnl->Driver.Render.Points( ctx, start, count )
-
-#define RENDER_LINE( v1, v2 ) \
-do { \
- GLubyte c1 = mask[v1], c2 = mask[v2]; \
- GLubyte ormask = c1|c2; \
- if (!ormask) \
- LineFunc( ctx, v1, v2 ); \
- else if (!(c1 & c2 & CLIPMASK)) \
- clip_line_4( ctx, v1, v2, ormask ); \
-} while (0)
-
-#define RENDER_TRI( v1, v2, v3 ) \
-do { \
- GLubyte c1 = mask[v1], c2 = mask[v2], c3 = mask[v3]; \
- GLubyte ormask = c1|c2|c3; \
- if (!ormask) \
- TriangleFunc( ctx, v1, v2, v3 ); \
- else if (!(c1 & c2 & c3 & CLIPMASK)) \
- clip_tri_4( ctx, v1, v2, v3, ormask ); \
-} while (0)
-
-#define RENDER_QUAD( v1, v2, v3, v4 ) \
-do { \
- GLubyte c1 = mask[v1], c2 = mask[v2]; \
- GLubyte c3 = mask[v3], c4 = mask[v4]; \
- GLubyte ormask = c1|c2|c3|c4; \
- if (!ormask) \
- QuadFunc( ctx, v1, v2, v3, v4 ); \
- else if (!(c1 & c2 & c3 & c4 & CLIPMASK)) \
- clip_quad_4( ctx, v1, v2, v3, v4, ormask ); \
-} while (0)
-
-
-#define LOCAL_VARS \
- TNLcontext *tnl = TNL_CONTEXT(ctx); \
- struct vertex_buffer *VB = &tnl->vb; \
- const GLuint * const elt = VB->Elts; \
- const GLubyte *mask = VB->ClipMask; \
- const GLuint sz = VB->ClipPtr->size; \
- const tnl_line_func LineFunc = tnl->Driver.Render.Line; \
- const tnl_triangle_func TriangleFunc = tnl->Driver.Render.Triangle; \
- const tnl_quad_func QuadFunc = tnl->Driver.Render.Quad; \
- const GLboolean stipple = ctx->Line.StippleFlag; \
- (void) (LineFunc && TriangleFunc && QuadFunc); \
- (void) elt; (void) mask; (void) sz; (void) stipple;
-
-#define TAG(x) clip_##x##_verts
-#define INIT(x) tnl->Driver.Render.PrimitiveNotify( ctx, x )
-#define RESET_STIPPLE if (stipple) tnl->Driver.Render.ResetLineStipple( ctx )
-#define PRESERVE_VB_DEFS
-#include "t_vb_rendertmp.h"
-
-
-
-/* Elts, with the possibility of clipping.
- */
-#undef ELT
-#undef TAG
-#define ELT(x) elt[x]
-#define TAG(x) clip_##x##_elts
-#include "t_vb_rendertmp.h"
-
-/* TODO: do this for all primitives, verts and elts:
- */
-static void clip_elt_triangles( struct gl_context *ctx,
- GLuint start,
- GLuint count,
- GLuint flags )
-{
- TNLcontext *tnl = TNL_CONTEXT(ctx);
- tnl_render_func render_tris = tnl->Driver.Render.PrimTabElts[GL_TRIANGLES];
- struct vertex_buffer *VB = &tnl->vb;
- const GLuint * const elt = VB->Elts;
- GLubyte *mask = VB->ClipMask;
- GLuint last = count-2;
- GLuint j;
- (void) flags;
-
- tnl->Driver.Render.PrimitiveNotify( ctx, GL_TRIANGLES );
-
- for (j=start; j < last; j+=3 ) {
- GLubyte c1 = mask[elt[j]];
- GLubyte c2 = mask[elt[j+1]];
- GLubyte c3 = mask[elt[j+2]];
- GLubyte ormask = c1|c2|c3;
- if (ormask) {
- if (start < j)
- render_tris( ctx, start, j, 0 );
- if (!(c1&c2&c3&CLIPMASK))
- clip_tri_4( ctx, elt[j], elt[j+1], elt[j+2], ormask );
- start = j+3;
- }
- }
-
- if (start < j)
- render_tris( ctx, start, j, 0 );
-}
-
-/**********************************************************************/
-/* Render whole begin/end objects */
-/**********************************************************************/
-
-#define NEED_EDGEFLAG_SETUP (ctx->Polygon.FrontMode != GL_FILL || ctx->Polygon.BackMode != GL_FILL)
-#define EDGEFLAG_GET(idx) VB->EdgeFlag[idx]
-#define EDGEFLAG_SET(idx, val) VB->EdgeFlag[idx] = val
-
-
-/* Vertices, no clipping.
- */
-#define RENDER_POINTS( start, count ) \
- tnl->Driver.Render.Points( ctx, start, count )
-
-#define RENDER_LINE( v1, v2 ) \
- LineFunc( ctx, v1, v2 )
-
-#define RENDER_TRI( v1, v2, v3 ) \
- TriangleFunc( ctx, v1, v2, v3 )
-
-#define RENDER_QUAD( v1, v2, v3, v4 ) \
- QuadFunc( ctx, v1, v2, v3, v4 )
-
-#define TAG(x) _tnl_##x##_verts
-
-#define LOCAL_VARS \
- TNLcontext *tnl = TNL_CONTEXT(ctx); \
- struct vertex_buffer *VB = &tnl->vb; \
- const GLuint * const elt = VB->Elts; \
- const tnl_line_func LineFunc = tnl->Driver.Render.Line; \
- const tnl_triangle_func TriangleFunc = tnl->Driver.Render.Triangle; \
- const tnl_quad_func QuadFunc = tnl->Driver.Render.Quad; \
- const GLboolean stipple = ctx->Line.StippleFlag; \
- (void) (LineFunc && TriangleFunc && QuadFunc); \
- (void) elt; (void) stipple
-
-#define RESET_STIPPLE if (stipple) tnl->Driver.Render.ResetLineStipple( ctx )
-#define INIT(x) tnl->Driver.Render.PrimitiveNotify( ctx, x )
-#define RENDER_TAB_QUALIFIER
-#define PRESERVE_VB_DEFS
-#include "t_vb_rendertmp.h"
-
-
-/* Elts, no clipping.
- */
-#undef ELT
-#define TAG(x) _tnl_##x##_elts
-#define ELT(x) elt[x]
-#include "t_vb_rendertmp.h"
-
-
-/**********************************************************************/
-/* Helper functions for drivers */
-/**********************************************************************/
-
-void _tnl_RenderClippedPolygon( struct gl_context *ctx, const GLuint *elts, GLuint n )
-{
- TNLcontext *tnl = TNL_CONTEXT(ctx);
- struct vertex_buffer *VB = &tnl->vb;
- GLuint *tmp = VB->Elts;
-
- VB->Elts = (GLuint *)elts;
- tnl->Driver.Render.PrimTabElts[GL_POLYGON]( ctx, 0, n, PRIM_BEGIN|PRIM_END );
- VB->Elts = tmp;
-}
-
-void _tnl_RenderClippedLine( struct gl_context *ctx, GLuint ii, GLuint jj )
-{
- TNLcontext *tnl = TNL_CONTEXT(ctx);
- tnl->Driver.Render.Line( ctx, ii, jj );
-}
-
-
-
-/**********************************************************************/
-/* Clip and render whole vertex buffers */
-/**********************************************************************/
-
-
-static GLboolean run_render( struct gl_context *ctx,
- struct tnl_pipeline_stage *stage )
-{
- TNLcontext *tnl = TNL_CONTEXT(ctx);
- struct vertex_buffer *VB = &tnl->vb;
- tnl_render_func *tab;
- GLint pass = 0;
-
- /* Allow the drivers to lock before projected verts are built so
- * that window coordinates are guarenteed not to change before
- * rendering.
- */
- ASSERT(tnl->Driver.Render.Start);
-
- tnl->Driver.Render.Start( ctx );
-
- ASSERT(tnl->Driver.Render.BuildVertices);
- ASSERT(tnl->Driver.Render.PrimitiveNotify);
- ASSERT(tnl->Driver.Render.Points);
- ASSERT(tnl->Driver.Render.Line);
- ASSERT(tnl->Driver.Render.Triangle);
- ASSERT(tnl->Driver.Render.Quad);
- ASSERT(tnl->Driver.Render.ResetLineStipple);
- ASSERT(tnl->Driver.Render.Interp);
- ASSERT(tnl->Driver.Render.CopyPV);
- ASSERT(tnl->Driver.Render.ClippedLine);
- ASSERT(tnl->Driver.Render.ClippedPolygon);
- ASSERT(tnl->Driver.Render.Finish);
-
- tnl->Driver.Render.BuildVertices( ctx, 0, VB->Count, ~0 );
-
- if (VB->ClipOrMask) {
- tab = VB->Elts ? clip_render_tab_elts : clip_render_tab_verts;
- clip_render_tab_elts[GL_TRIANGLES] = clip_elt_triangles;
- }
- else {
- tab = (VB->Elts ?
- tnl->Driver.Render.PrimTabElts :
- tnl->Driver.Render.PrimTabVerts);
- }
-
- do
- {
- GLuint i;
-
- for (i = 0 ; i < VB->PrimitiveCount ; i++)
- {
- GLuint prim = _tnl_translate_prim(&VB->Primitive[i]);
- GLuint start = VB->Primitive[i].start;
- GLuint length = VB->Primitive[i].count;
-
- assert((prim & PRIM_MODE_MASK) <= GL_POLYGON);
-
- if (MESA_VERBOSE & VERBOSE_PRIMS)
- _mesa_debug(NULL, "MESA prim %s %d..%d\n",
- _mesa_lookup_enum_by_nr(prim & PRIM_MODE_MASK),
- start, start+length);
-
- if (length)
- tab[prim & PRIM_MODE_MASK]( ctx, start, start + length, prim );
- }
- } while (tnl->Driver.Render.Multipass &&
- tnl->Driver.Render.Multipass( ctx, ++pass ));
-
- tnl->Driver.Render.Finish( ctx );
-
- return GL_FALSE; /* finished the pipe */
-}
-
-
-/**********************************************************************/
-/* Render pipeline stage */
-/**********************************************************************/
-
-
-
-
-
-const struct tnl_pipeline_stage _tnl_render_stage =
-{
- "render", /* name */
- NULL, /* private data */
- NULL, /* creator */
- NULL, /* destructor */
- NULL, /* validate */
- run_render /* run */
-};
+/*
+ * Mesa 3-D graphics library
+ * Version: 6.5
+ *
+ * Copyright (C) 1999-2005 Brian Paul All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ * Keith Whitwell <keith@tungstengraphics.com>
+ */
+
+
+/*
+ * Render whole vertex buffers, including projection of vertices from
+ * clip space and clipping of primitives.
+ *
+ * This file makes calls to project vertices and to the point, line
+ * and triangle rasterizers via the function pointers:
+ *
+ * context->Driver.Render.*
+ *
+ */
+
+
+#include "main/glheader.h"
+#include "main/context.h"
+#include "main/enums.h"
+#include "main/macros.h"
+#include "main/imports.h"
+#include "main/mtypes.h"
+#include "math/m_xform.h"
+
+#include "t_pipeline.h"
+
+
+
+/**********************************************************************/
+/* Clip single primitives */
+/**********************************************************************/
+
+
+#define W(i) coord[i][3]
+#define Z(i) coord[i][2]
+#define Y(i) coord[i][1]
+#define X(i) coord[i][0]
+#define SIZE 4
+#define TAG(x) x##_4
+#include "t_vb_cliptmp.h"
+
+
+
+/**********************************************************************/
+/* Clip and render whole begin/end objects */
+/**********************************************************************/
+
+#define NEED_EDGEFLAG_SETUP (ctx->Polygon.FrontMode != GL_FILL || ctx->Polygon.BackMode != GL_FILL)
+#define EDGEFLAG_GET(idx) VB->EdgeFlag[idx]
+#define EDGEFLAG_SET(idx, val) VB->EdgeFlag[idx] = val
+
+
+/* This does NOT include the CLIP_USER_BIT! */
+#define CLIPMASK (CLIP_FRUSTUM_BITS | CLIP_CULL_BIT)
+
+
+/* Vertices, with the possibility of clipping.
+ */
+#define RENDER_POINTS( start, count ) \
+ tnl->Driver.Render.Points( ctx, start, count )
+
+#define RENDER_LINE( v1, v2 ) \
+do { \
+ GLubyte c1 = mask[v1], c2 = mask[v2]; \
+ GLubyte ormask = c1|c2; \
+ if (!ormask) \
+ LineFunc( ctx, v1, v2 ); \
+ else if (!(c1 & c2 & CLIPMASK)) \
+ clip_line_4( ctx, v1, v2, ormask ); \
+} while (0)
+
+#define RENDER_TRI( v1, v2, v3 ) \
+do { \
+ GLubyte c1 = mask[v1], c2 = mask[v2], c3 = mask[v3]; \
+ GLubyte ormask = c1|c2|c3; \
+ if (!ormask) \
+ TriangleFunc( ctx, v1, v2, v3 ); \
+ else if (!(c1 & c2 & c3 & CLIPMASK)) \
+ clip_tri_4( ctx, v1, v2, v3, ormask ); \
+} while (0)
+
+#define RENDER_QUAD( v1, v2, v3, v4 ) \
+do { \
+ GLubyte c1 = mask[v1], c2 = mask[v2]; \
+ GLubyte c3 = mask[v3], c4 = mask[v4]; \
+ GLubyte ormask = c1|c2|c3|c4; \
+ if (!ormask) \
+ QuadFunc( ctx, v1, v2, v3, v4 ); \
+ else if (!(c1 & c2 & c3 & c4 & CLIPMASK)) \
+ clip_quad_4( ctx, v1, v2, v3, v4, ormask ); \
+} while (0)
+
+
+#define LOCAL_VARS \
+ TNLcontext *tnl = TNL_CONTEXT(ctx); \
+ struct vertex_buffer *VB = &tnl->vb; \
+ const GLuint * const elt = VB->Elts; \
+ const GLubyte *mask = VB->ClipMask; \
+ const GLuint sz = VB->ClipPtr->size; \
+ const tnl_line_func LineFunc = tnl->Driver.Render.Line; \
+ const tnl_triangle_func TriangleFunc = tnl->Driver.Render.Triangle; \
+ const tnl_quad_func QuadFunc = tnl->Driver.Render.Quad; \
+ const GLboolean stipple = ctx->Line.StippleFlag; \
+ (void) (LineFunc && TriangleFunc && QuadFunc); \
+ (void) elt; (void) mask; (void) sz; (void) stipple;
+
+#define TAG(x) clip_##x##_verts
+#define INIT(x) tnl->Driver.Render.PrimitiveNotify( ctx, x )
+#define RESET_STIPPLE if (stipple) tnl->Driver.Render.ResetLineStipple( ctx )
+#define PRESERVE_VB_DEFS
+#include "t_vb_rendertmp.h"
+
+
+
+/* Elts, with the possibility of clipping.
+ */
+#undef ELT
+#undef TAG
+#define ELT(x) elt[x]
+#define TAG(x) clip_##x##_elts
+#include "t_vb_rendertmp.h"
+
+/* TODO: do this for all primitives, verts and elts:
+ */
+static void clip_elt_triangles( struct gl_context *ctx,
+ GLuint start,
+ GLuint count,
+ GLuint flags )
+{
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ tnl_render_func render_tris = tnl->Driver.Render.PrimTabElts[GL_TRIANGLES];
+ struct vertex_buffer *VB = &tnl->vb;
+ const GLuint * const elt = VB->Elts;
+ GLubyte *mask = VB->ClipMask;
+ GLuint last = count-2;
+ GLuint j;
+ (void) flags;
+
+ tnl->Driver.Render.PrimitiveNotify( ctx, GL_TRIANGLES );
+
+ for (j=start; j < last; j+=3 ) {
+ GLubyte c1 = mask[elt[j]];
+ GLubyte c2 = mask[elt[j+1]];
+ GLubyte c3 = mask[elt[j+2]];
+ GLubyte ormask = c1|c2|c3;
+ if (ormask) {
+ if (start < j)
+ render_tris( ctx, start, j, 0 );
+ if (!(c1&c2&c3&CLIPMASK))
+ clip_tri_4( ctx, elt[j], elt[j+1], elt[j+2], ormask );
+ start = j+3;
+ }
+ }
+
+ if (start < j)
+ render_tris( ctx, start, j, 0 );
+}
+
+/**********************************************************************/
+/* Render whole begin/end objects */
+/**********************************************************************/
+
+#define NEED_EDGEFLAG_SETUP (ctx->Polygon.FrontMode != GL_FILL || ctx->Polygon.BackMode != GL_FILL)
+#define EDGEFLAG_GET(idx) VB->EdgeFlag[idx]
+#define EDGEFLAG_SET(idx, val) VB->EdgeFlag[idx] = val
+
+
+/* Vertices, no clipping.
+ */
+#define RENDER_POINTS( start, count ) \
+ tnl->Driver.Render.Points( ctx, start, count )
+
+#define RENDER_LINE( v1, v2 ) \
+ LineFunc( ctx, v1, v2 )
+
+#define RENDER_TRI( v1, v2, v3 ) \
+ TriangleFunc( ctx, v1, v2, v3 )
+
+#define RENDER_QUAD( v1, v2, v3, v4 ) \
+ QuadFunc( ctx, v1, v2, v3, v4 )
+
+#define TAG(x) _tnl_##x##_verts
+
+#define LOCAL_VARS \
+ TNLcontext *tnl = TNL_CONTEXT(ctx); \
+ struct vertex_buffer *VB = &tnl->vb; \
+ const GLuint * const elt = VB->Elts; \
+ const tnl_line_func LineFunc = tnl->Driver.Render.Line; \
+ const tnl_triangle_func TriangleFunc = tnl->Driver.Render.Triangle; \
+ const tnl_quad_func QuadFunc = tnl->Driver.Render.Quad; \
+ const GLboolean stipple = ctx->Line.StippleFlag; \
+ (void) (LineFunc && TriangleFunc && QuadFunc); \
+ (void) elt; (void) stipple
+
+#define RESET_STIPPLE if (stipple) tnl->Driver.Render.ResetLineStipple( ctx )
+#define INIT(x) tnl->Driver.Render.PrimitiveNotify( ctx, x )
+#define RENDER_TAB_QUALIFIER
+#define PRESERVE_VB_DEFS
+#include "t_vb_rendertmp.h"
+
+
+/* Elts, no clipping.
+ */
+#undef ELT
+#define TAG(x) _tnl_##x##_elts
+#define ELT(x) elt[x]
+#include "t_vb_rendertmp.h"
+
+
+/**********************************************************************/
+/* Helper functions for drivers */
+/**********************************************************************/
+
+void _tnl_RenderClippedPolygon( struct gl_context *ctx, const GLuint *elts, GLuint n )
+{
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ struct vertex_buffer *VB = &tnl->vb;
+ GLuint *tmp = VB->Elts;
+
+ VB->Elts = (GLuint *)elts;
+ tnl->Driver.Render.PrimTabElts[GL_POLYGON]( ctx, 0, n, PRIM_BEGIN|PRIM_END );
+ VB->Elts = tmp;
+}
+
+void _tnl_RenderClippedLine( struct gl_context *ctx, GLuint ii, GLuint jj )
+{
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ tnl->Driver.Render.Line( ctx, ii, jj );
+}
+
+
+
+/**********************************************************************/
+/* Clip and render whole vertex buffers */
+/**********************************************************************/
+
+
+static GLboolean run_render( struct gl_context *ctx,
+ struct tnl_pipeline_stage *stage )
+{
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ struct vertex_buffer *VB = &tnl->vb;
+ tnl_render_func *tab;
+ GLint pass = 0;
+
+ /* Allow the drivers to lock before projected verts are built so
+ * that window coordinates are guarenteed not to change before
+ * rendering.
+ */
+ ASSERT(tnl->Driver.Render.Start);
+
+ tnl->Driver.Render.Start( ctx );
+
+ ASSERT(tnl->Driver.Render.BuildVertices);
+ ASSERT(tnl->Driver.Render.PrimitiveNotify);
+ ASSERT(tnl->Driver.Render.Points);
+ ASSERT(tnl->Driver.Render.Line);
+ ASSERT(tnl->Driver.Render.Triangle);
+ ASSERT(tnl->Driver.Render.Quad);
+ ASSERT(tnl->Driver.Render.ResetLineStipple);
+ ASSERT(tnl->Driver.Render.Interp);
+ ASSERT(tnl->Driver.Render.CopyPV);
+ ASSERT(tnl->Driver.Render.ClippedLine);
+ ASSERT(tnl->Driver.Render.ClippedPolygon);
+ ASSERT(tnl->Driver.Render.Finish);
+
+ tnl->Driver.Render.BuildVertices( ctx, 0, VB->Count, ~0 );
+
+ if (VB->ClipOrMask) {
+ tab = VB->Elts ? clip_render_tab_elts : clip_render_tab_verts;
+ clip_render_tab_elts[GL_TRIANGLES] = clip_elt_triangles;
+ }
+ else {
+ tab = (VB->Elts ?
+ tnl->Driver.Render.PrimTabElts :
+ tnl->Driver.Render.PrimTabVerts);
+ }
+
+ do
+ {
+ GLuint i;
+
+ for (i = 0 ; i < VB->PrimitiveCount ; i++)
+ {
+ GLuint prim = _tnl_translate_prim(&VB->Primitive[i]);
+ GLuint start = VB->Primitive[i].start;
+ GLuint length = VB->Primitive[i].count;
+
+ assert((prim & PRIM_MODE_MASK) <= GL_POLYGON);
+
+ if (MESA_VERBOSE & VERBOSE_PRIMS)
+ _mesa_debug(NULL, "MESA prim %s %d..%d\n",
+ _mesa_lookup_enum_by_nr(prim & PRIM_MODE_MASK),
+ start, start+length);
+
+ if (length)
+ tab[prim & PRIM_MODE_MASK]( ctx, start, start + length, prim );
+ }
+ } while (tnl->Driver.Render.Multipass &&
+ tnl->Driver.Render.Multipass( ctx, ++pass ));
+
+ tnl->Driver.Render.Finish( ctx );
+
+ return GL_FALSE; /* finished the pipe */
+}
+
+
+/**********************************************************************/
+/* Render pipeline stage */
+/**********************************************************************/
+
+
+
+
+
+const struct tnl_pipeline_stage _tnl_render_stage =
+{
+ "render", /* name */
+ NULL, /* private data */
+ NULL, /* creator */
+ NULL, /* destructor */
+ NULL, /* validate */
+ run_render /* run */
+};
diff --git a/mesalib/src/mesa/tnl/t_vb_rendertmp.h b/mesalib/src/mesa/tnl/t_vb_rendertmp.h
index 92dbf219d..4ed485a7b 100644
--- a/mesalib/src/mesa/tnl/t_vb_rendertmp.h
+++ b/mesalib/src/mesa/tnl/t_vb_rendertmp.h
@@ -1,486 +1,486 @@
-/*
- * Mesa 3-D graphics library
- * Version: 6.5
- *
- * Copyright (C) 1999-2005 Brian Paul All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Keith Whitwell <keith@tungstengraphics.com>
- */
-
-
-#ifndef POSTFIX
-#define POSTFIX
-#endif
-
-#ifndef INIT
-#define INIT(x)
-#endif
-
-#ifndef NEED_EDGEFLAG_SETUP
-#define NEED_EDGEFLAG_SETUP 0
-#define EDGEFLAG_GET(a) 0
-#define EDGEFLAG_SET(a,b) (void)b
-#endif
-
-#ifndef RESET_STIPPLE
-#define RESET_STIPPLE
-#endif
-
-#ifndef TEST_PRIM_END
-#define TEST_PRIM_END(prim) (flags & PRIM_END)
-#define TEST_PRIM_BEGIN(prim) (flags & PRIM_BEGIN)
-#endif
-
-#ifndef ELT
-#define ELT(x) x
-#endif
-
-#ifndef RENDER_TAB_QUALIFIER
-#define RENDER_TAB_QUALIFIER static
-#endif
-
-static void TAG(render_points)( struct gl_context *ctx,
- GLuint start,
- GLuint count,
- GLuint flags )
-{
- LOCAL_VARS;
- (void) flags;
-
- INIT(GL_POINTS);
- RENDER_POINTS( start, count );
- POSTFIX;
-}
-
-static void TAG(render_lines)( struct gl_context *ctx,
- GLuint start,
- GLuint count,
- GLuint flags )
-{
- GLuint j;
- LOCAL_VARS;
- (void) flags;
-
- INIT(GL_LINES);
- for (j=start+1; j<count; j+=2 ) {
- RESET_STIPPLE;
- if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT)
- RENDER_LINE( ELT(j-1), ELT(j) );
- else
- RENDER_LINE( ELT(j), ELT(j-1) );
- }
- POSTFIX;
-}
-
-
-static void TAG(render_line_strip)( struct gl_context *ctx,
- GLuint start,
- GLuint count,
- GLuint flags )
-{
- GLuint j;
- LOCAL_VARS;
- (void) flags;
-
- INIT(GL_LINE_STRIP);
-
- if (TEST_PRIM_BEGIN(flags)) {
- RESET_STIPPLE;
- }
-
- for (j=start+1; j<count; j++ ) {
- if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT)
- RENDER_LINE( ELT(j-1), ELT(j) );
- else
- RENDER_LINE( ELT(j), ELT(j-1) );
- }
- POSTFIX;
-}
-
-
-static void TAG(render_line_loop)( struct gl_context *ctx,
- GLuint start,
- GLuint count,
- GLuint flags )
-{
- GLuint i;
- LOCAL_VARS;
-
- (void) flags;
-
- INIT(GL_LINE_LOOP);
-
- if (start+1 < count) {
- if (TEST_PRIM_BEGIN(flags)) {
- RESET_STIPPLE;
- if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT)
- RENDER_LINE( ELT(start), ELT(start+1) );
- else
- RENDER_LINE( ELT(start+1), ELT(start) );
- }
-
- for ( i = start+2 ; i < count ; i++) {
- if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT)
- RENDER_LINE( ELT(i-1), ELT(i) );
- else
- RENDER_LINE( ELT(i), ELT(i-1) );
- }
-
- if ( TEST_PRIM_END(flags)) {
- if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT)
- RENDER_LINE( ELT(count-1), ELT(start) );
- else
- RENDER_LINE( ELT(start), ELT(count-1) );
- }
- }
-
- POSTFIX;
-}
-
-
-static void TAG(render_triangles)( struct gl_context *ctx,
- GLuint start,
- GLuint count,
- GLuint flags )
-{
- GLuint j;
- LOCAL_VARS;
- (void) flags;
-
- INIT(GL_TRIANGLES);
- if (NEED_EDGEFLAG_SETUP) {
- for (j=start+2; j<count; j+=3) {
- /* Leave the edgeflags as supplied by the user.
- */
- RESET_STIPPLE;
- if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT)
- RENDER_TRI( ELT(j-2), ELT(j-1), ELT(j) );
- else
- RENDER_TRI( ELT(j-1), ELT(j), ELT(j-2) );
- }
- } else {
- for (j=start+2; j<count; j+=3) {
- if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT)
- RENDER_TRI( ELT(j-2), ELT(j-1), ELT(j) );
- else
- RENDER_TRI( ELT(j-1), ELT(j), ELT(j-2) );
- }
- }
- POSTFIX;
-}
-
-
-
-static void TAG(render_tri_strip)( struct gl_context *ctx,
- GLuint start,
- GLuint count,
- GLuint flags )
-{
- GLuint j;
- GLuint parity = 0;
- LOCAL_VARS;
-
- INIT(GL_TRIANGLE_STRIP);
- if (NEED_EDGEFLAG_SETUP) {
- for (j=start+2;j<count;j++,parity^=1) {
- GLuint ej2, ej1, ej;
- GLboolean ef2, ef1, ef;
- if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT) {
- ej2 = ELT(j-2+parity);
- ej1 = ELT(j-1-parity);
- ej = ELT(j);
- }
- else {
- ej2 = ELT(j-1+parity);
- ej1 = ELT(j-parity);
- ej = ELT(j-2);
- }
- ef2 = EDGEFLAG_GET( ej2 );
- ef1 = EDGEFLAG_GET( ej1 );
- ef = EDGEFLAG_GET( ej );
- if (TEST_PRIM_BEGIN(flags)) {
- RESET_STIPPLE;
- }
- EDGEFLAG_SET( ej2, GL_TRUE );
- EDGEFLAG_SET( ej1, GL_TRUE );
- EDGEFLAG_SET( ej, GL_TRUE );
- RENDER_TRI( ej2, ej1, ej );
- EDGEFLAG_SET( ej2, ef2 );
- EDGEFLAG_SET( ej1, ef1 );
- EDGEFLAG_SET( ej, ef );
- }
- } else {
- for (j=start+2; j<count ; j++, parity^=1) {
- if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT)
- RENDER_TRI( ELT(j-2+parity), ELT(j-1-parity), ELT(j) );
- else
- RENDER_TRI( ELT(j-1+parity), ELT(j-parity), ELT(j-2) );
- }
- }
- POSTFIX;
-}
-
-
-static void TAG(render_tri_fan)( struct gl_context *ctx,
- GLuint start,
- GLuint count,
- GLuint flags )
-{
- GLuint j;
- LOCAL_VARS;
- (void) flags;
-
- INIT(GL_TRIANGLE_FAN);
- if (NEED_EDGEFLAG_SETUP) {
- for (j=start+2;j<count;j++) {
- /* For trifans, all edges are boundary.
- */
- GLuint ejs = ELT(start);
- GLuint ej1 = ELT(j-1);
- GLuint ej = ELT(j);
- GLboolean efs = EDGEFLAG_GET( ejs );
- GLboolean ef1 = EDGEFLAG_GET( ej1 );
- GLboolean ef = EDGEFLAG_GET( ej );
- if (TEST_PRIM_BEGIN(flags)) {
- RESET_STIPPLE;
- }
- EDGEFLAG_SET( ejs, GL_TRUE );
- EDGEFLAG_SET( ej1, GL_TRUE );
- EDGEFLAG_SET( ej, GL_TRUE );
- if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT)
- RENDER_TRI( ejs, ej1, ej);
- else
- RENDER_TRI( ej, ejs, ej1);
- EDGEFLAG_SET( ejs, efs );
- EDGEFLAG_SET( ej1, ef1 );
- EDGEFLAG_SET( ej, ef );
- }
- } else {
- for (j=start+2;j<count;j++) {
- if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT)
- RENDER_TRI( ELT(start), ELT(j-1), ELT(j) );
- else
- RENDER_TRI( ELT(j), ELT(start), ELT(j-1) );
- }
- }
-
- POSTFIX;
-}
-
-
-static void TAG(render_poly)( struct gl_context *ctx,
- GLuint start,
- GLuint count,
- GLuint flags )
-{
- GLuint j = start+2;
- LOCAL_VARS;
- (void) flags;
-
- INIT(GL_POLYGON);
- if (NEED_EDGEFLAG_SETUP) {
- GLboolean efstart = EDGEFLAG_GET( ELT(start) );
- GLboolean efcount = EDGEFLAG_GET( ELT(count-1) );
-
- /* If the primitive does not begin here, the first edge
- * is non-boundary.
- */
- if (!TEST_PRIM_BEGIN(flags))
- EDGEFLAG_SET( ELT(start), GL_FALSE );
- else {
- RESET_STIPPLE;
- }
-
- /* If the primitive does not end here, the final edge is
- * non-boundary.
- */
- if (!TEST_PRIM_END(flags))
- EDGEFLAG_SET( ELT(count-1), GL_FALSE );
-
- /* Draw the first triangles (possibly zero)
- */
- if (j+1<count) {
- GLboolean ef = EDGEFLAG_GET( ELT(j) );
- EDGEFLAG_SET( ELT(j), GL_FALSE );
- RENDER_TRI( ELT(j-1), ELT(j), ELT(start) );
- EDGEFLAG_SET( ELT(j), ef );
- j++;
-
- /* Don't render the first edge again:
- */
- EDGEFLAG_SET( ELT(start), GL_FALSE );
-
- for (;j+1<count;j++) {
- GLboolean efj = EDGEFLAG_GET( ELT(j) );
- EDGEFLAG_SET( ELT(j), GL_FALSE );
- RENDER_TRI( ELT(j-1), ELT(j), ELT(start) );
- EDGEFLAG_SET( ELT(j), efj );
- }
- }
-
- /* Draw the last or only triangle
- */
- if (j < count)
- RENDER_TRI( ELT(j-1), ELT(j), ELT(start) );
-
- /* Restore the first and last edgeflags:
- */
- EDGEFLAG_SET( ELT(count-1), efcount );
- EDGEFLAG_SET( ELT(start), efstart );
-
- }
- else {
- for (j=start+2;j<count;j++) {
- RENDER_TRI( ELT(j-1), ELT(j), ELT(start) );
- }
- }
- POSTFIX;
-}
-
-static void TAG(render_quads)( struct gl_context *ctx,
- GLuint start,
- GLuint count,
- GLuint flags )
-{
- GLuint j;
- LOCAL_VARS;
- (void) flags;
-
- INIT(GL_QUADS);
- if (NEED_EDGEFLAG_SETUP) {
- for (j=start+3; j<count; j+=4) {
- /* Use user-specified edgeflags for quads.
- */
- RESET_STIPPLE;
- if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT ||
- !ctx->Const.QuadsFollowProvokingVertexConvention)
- RENDER_QUAD( ELT(j-3), ELT(j-2), ELT(j-1), ELT(j) );
- else
- RENDER_QUAD( ELT(j-2), ELT(j-1), ELT(j), ELT(j-3) );
- }
- } else {
- for (j=start+3; j<count; j+=4) {
- if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT ||
- !ctx->Const.QuadsFollowProvokingVertexConvention)
- RENDER_QUAD( ELT(j-3), ELT(j-2), ELT(j-1), ELT(j) );
- else
- RENDER_QUAD( ELT(j-2), ELT(j-1), ELT(j), ELT(j-3) );
- }
- }
- POSTFIX;
-}
-
-static void TAG(render_quad_strip)( struct gl_context *ctx,
- GLuint start,
- GLuint count,
- GLuint flags )
-{
- GLuint j;
- LOCAL_VARS;
- (void) flags;
-
- INIT(GL_QUAD_STRIP);
- if (NEED_EDGEFLAG_SETUP) {
- for (j=start+3;j<count;j+=2) {
- /* All edges are boundary. Set edgeflags to 1, draw the
- * quad, and restore them to the original values.
- */
- GLboolean ef3 = EDGEFLAG_GET( ELT(j-3) );
- GLboolean ef2 = EDGEFLAG_GET( ELT(j-2) );
- GLboolean ef1 = EDGEFLAG_GET( ELT(j-1) );
- GLboolean ef = EDGEFLAG_GET( ELT(j) );
- if (TEST_PRIM_BEGIN(flags)) {
- RESET_STIPPLE;
- }
- EDGEFLAG_SET( ELT(j-3), GL_TRUE );
- EDGEFLAG_SET( ELT(j-2), GL_TRUE );
- EDGEFLAG_SET( ELT(j-1), GL_TRUE );
- EDGEFLAG_SET( ELT(j), GL_TRUE );
- if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT ||
- !ctx->Const.QuadsFollowProvokingVertexConvention)
- RENDER_QUAD( ELT(j-1), ELT(j-3), ELT(j-2), ELT(j) );
- else
- RENDER_QUAD( ELT(j-2), ELT(j), ELT(j-1), ELT(j-3) );
- EDGEFLAG_SET( ELT(j-3), ef3 );
- EDGEFLAG_SET( ELT(j-2), ef2 );
- EDGEFLAG_SET( ELT(j-1), ef1 );
- EDGEFLAG_SET( ELT(j), ef );
- }
- } else {
- for (j=start+3;j<count;j+=2) {
- if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT ||
- !ctx->Const.QuadsFollowProvokingVertexConvention)
- RENDER_QUAD( ELT(j-1), ELT(j-3), ELT(j-2), ELT(j) );
- else
- RENDER_QUAD( ELT(j-2), ELT(j), ELT(j-1), ELT(j-3) );
- }
- }
- POSTFIX;
-}
-
-static void TAG(render_noop)( struct gl_context *ctx,
- GLuint start,
- GLuint count,
- GLuint flags )
-{
- (void)(ctx && start && count && flags);
-}
-
-RENDER_TAB_QUALIFIER void (*TAG(render_tab)[GL_POLYGON+2])(struct gl_context *,
- GLuint,
- GLuint,
- GLuint) =
-{
- TAG(render_points),
- TAG(render_lines),
- TAG(render_line_loop),
- TAG(render_line_strip),
- TAG(render_triangles),
- TAG(render_tri_strip),
- TAG(render_tri_fan),
- TAG(render_quads),
- TAG(render_quad_strip),
- TAG(render_poly),
- TAG(render_noop),
-};
-
-
-
-#ifndef PRESERVE_VB_DEFS
-#undef RENDER_TRI
-#undef RENDER_QUAD
-#undef RENDER_LINE
-#undef RENDER_POINTS
-#undef LOCAL_VARS
-#undef INIT
-#undef POSTFIX
-#undef RESET_STIPPLE
-#undef DBG
-#undef ELT
-#undef RENDER_TAB_QUALIFIER
-#endif
-
-#ifndef PRESERVE_TAG
-#undef TAG
-#endif
-
-#undef PRESERVE_VB_DEFS
-#undef PRESERVE_TAG
+/*
+ * Mesa 3-D graphics library
+ * Version: 6.5
+ *
+ * Copyright (C) 1999-2005 Brian Paul All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ * Keith Whitwell <keith@tungstengraphics.com>
+ */
+
+
+#ifndef POSTFIX
+#define POSTFIX
+#endif
+
+#ifndef INIT
+#define INIT(x)
+#endif
+
+#ifndef NEED_EDGEFLAG_SETUP
+#define NEED_EDGEFLAG_SETUP 0
+#define EDGEFLAG_GET(a) 0
+#define EDGEFLAG_SET(a,b) (void)b
+#endif
+
+#ifndef RESET_STIPPLE
+#define RESET_STIPPLE
+#endif
+
+#ifndef TEST_PRIM_END
+#define TEST_PRIM_END(prim) (flags & PRIM_END)
+#define TEST_PRIM_BEGIN(prim) (flags & PRIM_BEGIN)
+#endif
+
+#ifndef ELT
+#define ELT(x) x
+#endif
+
+#ifndef RENDER_TAB_QUALIFIER
+#define RENDER_TAB_QUALIFIER static
+#endif
+
+static void TAG(render_points)( struct gl_context *ctx,
+ GLuint start,
+ GLuint count,
+ GLuint flags )
+{
+ LOCAL_VARS;
+ (void) flags;
+
+ INIT(GL_POINTS);
+ RENDER_POINTS( start, count );
+ POSTFIX;
+}
+
+static void TAG(render_lines)( struct gl_context *ctx,
+ GLuint start,
+ GLuint count,
+ GLuint flags )
+{
+ GLuint j;
+ LOCAL_VARS;
+ (void) flags;
+
+ INIT(GL_LINES);
+ for (j=start+1; j<count; j+=2 ) {
+ RESET_STIPPLE;
+ if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT)
+ RENDER_LINE( ELT(j-1), ELT(j) );
+ else
+ RENDER_LINE( ELT(j), ELT(j-1) );
+ }
+ POSTFIX;
+}
+
+
+static void TAG(render_line_strip)( struct gl_context *ctx,
+ GLuint start,
+ GLuint count,
+ GLuint flags )
+{
+ GLuint j;
+ LOCAL_VARS;
+ (void) flags;
+
+ INIT(GL_LINE_STRIP);
+
+ if (TEST_PRIM_BEGIN(flags)) {
+ RESET_STIPPLE;
+ }
+
+ for (j=start+1; j<count; j++ ) {
+ if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT)
+ RENDER_LINE( ELT(j-1), ELT(j) );
+ else
+ RENDER_LINE( ELT(j), ELT(j-1) );
+ }
+ POSTFIX;
+}
+
+
+static void TAG(render_line_loop)( struct gl_context *ctx,
+ GLuint start,
+ GLuint count,
+ GLuint flags )
+{
+ GLuint i;
+ LOCAL_VARS;
+
+ (void) flags;
+
+ INIT(GL_LINE_LOOP);
+
+ if (start+1 < count) {
+ if (TEST_PRIM_BEGIN(flags)) {
+ RESET_STIPPLE;
+ if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT)
+ RENDER_LINE( ELT(start), ELT(start+1) );
+ else
+ RENDER_LINE( ELT(start+1), ELT(start) );
+ }
+
+ for ( i = start+2 ; i < count ; i++) {
+ if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT)
+ RENDER_LINE( ELT(i-1), ELT(i) );
+ else
+ RENDER_LINE( ELT(i), ELT(i-1) );
+ }
+
+ if ( TEST_PRIM_END(flags)) {
+ if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT)
+ RENDER_LINE( ELT(count-1), ELT(start) );
+ else
+ RENDER_LINE( ELT(start), ELT(count-1) );
+ }
+ }
+
+ POSTFIX;
+}
+
+
+static void TAG(render_triangles)( struct gl_context *ctx,
+ GLuint start,
+ GLuint count,
+ GLuint flags )
+{
+ GLuint j;
+ LOCAL_VARS;
+ (void) flags;
+
+ INIT(GL_TRIANGLES);
+ if (NEED_EDGEFLAG_SETUP) {
+ for (j=start+2; j<count; j+=3) {
+ /* Leave the edgeflags as supplied by the user.
+ */
+ RESET_STIPPLE;
+ if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT)
+ RENDER_TRI( ELT(j-2), ELT(j-1), ELT(j) );
+ else
+ RENDER_TRI( ELT(j-1), ELT(j), ELT(j-2) );
+ }
+ } else {
+ for (j=start+2; j<count; j+=3) {
+ if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT)
+ RENDER_TRI( ELT(j-2), ELT(j-1), ELT(j) );
+ else
+ RENDER_TRI( ELT(j-1), ELT(j), ELT(j-2) );
+ }
+ }
+ POSTFIX;
+}
+
+
+
+static void TAG(render_tri_strip)( struct gl_context *ctx,
+ GLuint start,
+ GLuint count,
+ GLuint flags )
+{
+ GLuint j;
+ GLuint parity = 0;
+ LOCAL_VARS;
+
+ INIT(GL_TRIANGLE_STRIP);
+ if (NEED_EDGEFLAG_SETUP) {
+ for (j=start+2;j<count;j++,parity^=1) {
+ GLuint ej2, ej1, ej;
+ GLboolean ef2, ef1, ef;
+ if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT) {
+ ej2 = ELT(j-2+parity);
+ ej1 = ELT(j-1-parity);
+ ej = ELT(j);
+ }
+ else {
+ ej2 = ELT(j-1+parity);
+ ej1 = ELT(j-parity);
+ ej = ELT(j-2);
+ }
+ ef2 = EDGEFLAG_GET( ej2 );
+ ef1 = EDGEFLAG_GET( ej1 );
+ ef = EDGEFLAG_GET( ej );
+ if (TEST_PRIM_BEGIN(flags)) {
+ RESET_STIPPLE;
+ }
+ EDGEFLAG_SET( ej2, GL_TRUE );
+ EDGEFLAG_SET( ej1, GL_TRUE );
+ EDGEFLAG_SET( ej, GL_TRUE );
+ RENDER_TRI( ej2, ej1, ej );
+ EDGEFLAG_SET( ej2, ef2 );
+ EDGEFLAG_SET( ej1, ef1 );
+ EDGEFLAG_SET( ej, ef );
+ }
+ } else {
+ for (j=start+2; j<count ; j++, parity^=1) {
+ if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT)
+ RENDER_TRI( ELT(j-2+parity), ELT(j-1-parity), ELT(j) );
+ else
+ RENDER_TRI( ELT(j-1+parity), ELT(j-parity), ELT(j-2) );
+ }
+ }
+ POSTFIX;
+}
+
+
+static void TAG(render_tri_fan)( struct gl_context *ctx,
+ GLuint start,
+ GLuint count,
+ GLuint flags )
+{
+ GLuint j;
+ LOCAL_VARS;
+ (void) flags;
+
+ INIT(GL_TRIANGLE_FAN);
+ if (NEED_EDGEFLAG_SETUP) {
+ for (j=start+2;j<count;j++) {
+ /* For trifans, all edges are boundary.
+ */
+ GLuint ejs = ELT(start);
+ GLuint ej1 = ELT(j-1);
+ GLuint ej = ELT(j);
+ GLboolean efs = EDGEFLAG_GET( ejs );
+ GLboolean ef1 = EDGEFLAG_GET( ej1 );
+ GLboolean ef = EDGEFLAG_GET( ej );
+ if (TEST_PRIM_BEGIN(flags)) {
+ RESET_STIPPLE;
+ }
+ EDGEFLAG_SET( ejs, GL_TRUE );
+ EDGEFLAG_SET( ej1, GL_TRUE );
+ EDGEFLAG_SET( ej, GL_TRUE );
+ if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT)
+ RENDER_TRI( ejs, ej1, ej);
+ else
+ RENDER_TRI( ej, ejs, ej1);
+ EDGEFLAG_SET( ejs, efs );
+ EDGEFLAG_SET( ej1, ef1 );
+ EDGEFLAG_SET( ej, ef );
+ }
+ } else {
+ for (j=start+2;j<count;j++) {
+ if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT)
+ RENDER_TRI( ELT(start), ELT(j-1), ELT(j) );
+ else
+ RENDER_TRI( ELT(j), ELT(start), ELT(j-1) );
+ }
+ }
+
+ POSTFIX;
+}
+
+
+static void TAG(render_poly)( struct gl_context *ctx,
+ GLuint start,
+ GLuint count,
+ GLuint flags )
+{
+ GLuint j = start+2;
+ LOCAL_VARS;
+ (void) flags;
+
+ INIT(GL_POLYGON);
+ if (NEED_EDGEFLAG_SETUP) {
+ GLboolean efstart = EDGEFLAG_GET( ELT(start) );
+ GLboolean efcount = EDGEFLAG_GET( ELT(count-1) );
+
+ /* If the primitive does not begin here, the first edge
+ * is non-boundary.
+ */
+ if (!TEST_PRIM_BEGIN(flags))
+ EDGEFLAG_SET( ELT(start), GL_FALSE );
+ else {
+ RESET_STIPPLE;
+ }
+
+ /* If the primitive does not end here, the final edge is
+ * non-boundary.
+ */
+ if (!TEST_PRIM_END(flags))
+ EDGEFLAG_SET( ELT(count-1), GL_FALSE );
+
+ /* Draw the first triangles (possibly zero)
+ */
+ if (j+1<count) {
+ GLboolean ef = EDGEFLAG_GET( ELT(j) );
+ EDGEFLAG_SET( ELT(j), GL_FALSE );
+ RENDER_TRI( ELT(j-1), ELT(j), ELT(start) );
+ EDGEFLAG_SET( ELT(j), ef );
+ j++;
+
+ /* Don't render the first edge again:
+ */
+ EDGEFLAG_SET( ELT(start), GL_FALSE );
+
+ for (;j+1<count;j++) {
+ GLboolean efj = EDGEFLAG_GET( ELT(j) );
+ EDGEFLAG_SET( ELT(j), GL_FALSE );
+ RENDER_TRI( ELT(j-1), ELT(j), ELT(start) );
+ EDGEFLAG_SET( ELT(j), efj );
+ }
+ }
+
+ /* Draw the last or only triangle
+ */
+ if (j < count)
+ RENDER_TRI( ELT(j-1), ELT(j), ELT(start) );
+
+ /* Restore the first and last edgeflags:
+ */
+ EDGEFLAG_SET( ELT(count-1), efcount );
+ EDGEFLAG_SET( ELT(start), efstart );
+
+ }
+ else {
+ for (j=start+2;j<count;j++) {
+ RENDER_TRI( ELT(j-1), ELT(j), ELT(start) );
+ }
+ }
+ POSTFIX;
+}
+
+static void TAG(render_quads)( struct gl_context *ctx,
+ GLuint start,
+ GLuint count,
+ GLuint flags )
+{
+ GLuint j;
+ LOCAL_VARS;
+ (void) flags;
+
+ INIT(GL_QUADS);
+ if (NEED_EDGEFLAG_SETUP) {
+ for (j=start+3; j<count; j+=4) {
+ /* Use user-specified edgeflags for quads.
+ */
+ RESET_STIPPLE;
+ if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT ||
+ !ctx->Const.QuadsFollowProvokingVertexConvention)
+ RENDER_QUAD( ELT(j-3), ELT(j-2), ELT(j-1), ELT(j) );
+ else
+ RENDER_QUAD( ELT(j-2), ELT(j-1), ELT(j), ELT(j-3) );
+ }
+ } else {
+ for (j=start+3; j<count; j+=4) {
+ if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT ||
+ !ctx->Const.QuadsFollowProvokingVertexConvention)
+ RENDER_QUAD( ELT(j-3), ELT(j-2), ELT(j-1), ELT(j) );
+ else
+ RENDER_QUAD( ELT(j-2), ELT(j-1), ELT(j), ELT(j-3) );
+ }
+ }
+ POSTFIX;
+}
+
+static void TAG(render_quad_strip)( struct gl_context *ctx,
+ GLuint start,
+ GLuint count,
+ GLuint flags )
+{
+ GLuint j;
+ LOCAL_VARS;
+ (void) flags;
+
+ INIT(GL_QUAD_STRIP);
+ if (NEED_EDGEFLAG_SETUP) {
+ for (j=start+3;j<count;j+=2) {
+ /* All edges are boundary. Set edgeflags to 1, draw the
+ * quad, and restore them to the original values.
+ */
+ GLboolean ef3 = EDGEFLAG_GET( ELT(j-3) );
+ GLboolean ef2 = EDGEFLAG_GET( ELT(j-2) );
+ GLboolean ef1 = EDGEFLAG_GET( ELT(j-1) );
+ GLboolean ef = EDGEFLAG_GET( ELT(j) );
+ if (TEST_PRIM_BEGIN(flags)) {
+ RESET_STIPPLE;
+ }
+ EDGEFLAG_SET( ELT(j-3), GL_TRUE );
+ EDGEFLAG_SET( ELT(j-2), GL_TRUE );
+ EDGEFLAG_SET( ELT(j-1), GL_TRUE );
+ EDGEFLAG_SET( ELT(j), GL_TRUE );
+ if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT ||
+ !ctx->Const.QuadsFollowProvokingVertexConvention)
+ RENDER_QUAD( ELT(j-1), ELT(j-3), ELT(j-2), ELT(j) );
+ else
+ RENDER_QUAD( ELT(j-2), ELT(j), ELT(j-1), ELT(j-3) );
+ EDGEFLAG_SET( ELT(j-3), ef3 );
+ EDGEFLAG_SET( ELT(j-2), ef2 );
+ EDGEFLAG_SET( ELT(j-1), ef1 );
+ EDGEFLAG_SET( ELT(j), ef );
+ }
+ } else {
+ for (j=start+3;j<count;j+=2) {
+ if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION_EXT ||
+ !ctx->Const.QuadsFollowProvokingVertexConvention)
+ RENDER_QUAD( ELT(j-1), ELT(j-3), ELT(j-2), ELT(j) );
+ else
+ RENDER_QUAD( ELT(j-2), ELT(j), ELT(j-1), ELT(j-3) );
+ }
+ }
+ POSTFIX;
+}
+
+static void TAG(render_noop)( struct gl_context *ctx,
+ GLuint start,
+ GLuint count,
+ GLuint flags )
+{
+ (void)(ctx && start && count && flags);
+}
+
+RENDER_TAB_QUALIFIER void (*TAG(render_tab)[GL_POLYGON+2])(struct gl_context *,
+ GLuint,
+ GLuint,
+ GLuint) =
+{
+ TAG(render_points),
+ TAG(render_lines),
+ TAG(render_line_loop),
+ TAG(render_line_strip),
+ TAG(render_triangles),
+ TAG(render_tri_strip),
+ TAG(render_tri_fan),
+ TAG(render_quads),
+ TAG(render_quad_strip),
+ TAG(render_poly),
+ TAG(render_noop),
+};
+
+
+
+#ifndef PRESERVE_VB_DEFS
+#undef RENDER_TRI
+#undef RENDER_QUAD
+#undef RENDER_LINE
+#undef RENDER_POINTS
+#undef LOCAL_VARS
+#undef INIT
+#undef POSTFIX
+#undef RESET_STIPPLE
+#undef DBG
+#undef ELT
+#undef RENDER_TAB_QUALIFIER
+#endif
+
+#ifndef PRESERVE_TAG
+#undef TAG
+#endif
+
+#undef PRESERVE_VB_DEFS
+#undef PRESERVE_TAG
diff --git a/mesalib/src/mesa/tnl/t_vb_texgen.c b/mesalib/src/mesa/tnl/t_vb_texgen.c
index 228808461..61430c396 100644
--- a/mesalib/src/mesa/tnl/t_vb_texgen.c
+++ b/mesalib/src/mesa/tnl/t_vb_texgen.c
@@ -1,609 +1,609 @@
-/*
- * Mesa 3-D graphics library
- * Version: 6.5
- *
- * Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Brian Paul
- * Keith Whitwell <keith@tungstengraphics.com>
- */
-
-/*
- * Regarding GL_NV_texgen_reflection:
- *
- * Portions of this software may use or implement intellectual
- * property owned and licensed by NVIDIA Corporation. NVIDIA disclaims
- * any and all warranties with respect to such intellectual property,
- * including any use thereof or modifications thereto.
- */
-
-#include "main/glheader.h"
-#include "main/colormac.h"
-#include "main/macros.h"
-#include "main/imports.h"
-#include "main/mtypes.h"
-
-#include "math/m_xform.h"
-
-#include "t_context.h"
-#include "t_pipeline.h"
-
-
-/***********************************************************************
- * Automatic texture coordinate generation (texgen) code.
- */
-
-
-struct texgen_stage_data;
-
-typedef void (*texgen_func)( struct gl_context *ctx,
- struct texgen_stage_data *store,
- GLuint unit);
-
-
-struct texgen_stage_data {
-
- /* Per-texunit derived state.
- */
- GLuint TexgenSize[MAX_TEXTURE_COORD_UNITS];
- texgen_func TexgenFunc[MAX_TEXTURE_COORD_UNITS];
-
- /* Temporary values used in texgen.
- */
- GLfloat (*tmp_f)[3];
- GLfloat *tmp_m;
-
- /* Buffered outputs of the stage.
- */
- GLvector4f texcoord[MAX_TEXTURE_COORD_UNITS];
-};
-
-
-#define TEXGEN_STAGE_DATA(stage) ((struct texgen_stage_data *)stage->privatePtr)
-
-
-
-static GLuint all_bits[5] = {
- 0,
- VEC_SIZE_1,
- VEC_SIZE_2,
- VEC_SIZE_3,
- VEC_SIZE_4,
-};
-
-#define VEC_SIZE_FLAGS (VEC_SIZE_1|VEC_SIZE_2|VEC_SIZE_3|VEC_SIZE_4)
-
-#define TEXGEN_NEED_M (TEXGEN_SPHERE_MAP)
-#define TEXGEN_NEED_F (TEXGEN_SPHERE_MAP | \
- TEXGEN_REFLECTION_MAP_NV)
-
-
-
-static void build_m3( GLfloat f[][3], GLfloat m[],
- const GLvector4f *normal,
- const GLvector4f *eye )
-{
- GLuint stride = eye->stride;
- GLfloat *coord = (GLfloat *)eye->start;
- GLuint count = eye->count;
- const GLfloat *norm = normal->start;
- GLuint i;
-
- for (i=0;i<count;i++,STRIDE_F(coord,stride),STRIDE_F(norm,normal->stride)) {
- GLfloat u[3], two_nu, fx, fy, fz;
- COPY_3V( u, coord );
- NORMALIZE_3FV( u );
- two_nu = 2.0F * DOT3(norm,u);
- fx = f[i][0] = u[0] - norm[0] * two_nu;
- fy = f[i][1] = u[1] - norm[1] * two_nu;
- fz = f[i][2] = u[2] - norm[2] * two_nu;
- m[i] = fx * fx + fy * fy + (fz + 1.0F) * (fz + 1.0F);
- if (m[i] != 0.0F) {
- m[i] = 0.5F * _mesa_inv_sqrtf(m[i]);
- }
- }
-}
-
-
-
-static void build_m2( GLfloat f[][3], GLfloat m[],
- const GLvector4f *normal,
- const GLvector4f *eye )
-{
- GLuint stride = eye->stride;
- GLfloat *coord = eye->start;
- GLuint count = eye->count;
-
- GLfloat *norm = normal->start;
- GLuint i;
-
- for (i=0;i<count;i++,STRIDE_F(coord,stride),STRIDE_F(norm,normal->stride)) {
- GLfloat u[3], two_nu, fx, fy, fz;
- COPY_2V( u, coord );
- u[2] = 0;
- NORMALIZE_3FV( u );
- two_nu = 2.0F * DOT3(norm,u);
- fx = f[i][0] = u[0] - norm[0] * two_nu;
- fy = f[i][1] = u[1] - norm[1] * two_nu;
- fz = f[i][2] = u[2] - norm[2] * two_nu;
- m[i] = fx * fx + fy * fy + (fz + 1.0F) * (fz + 1.0F);
- if (m[i] != 0.0F) {
- m[i] = 0.5F * _mesa_inv_sqrtf(m[i]);
- }
- }
-}
-
-
-
-typedef void (*build_m_func)( GLfloat f[][3],
- GLfloat m[],
- const GLvector4f *normal,
- const GLvector4f *eye );
-
-
-static build_m_func build_m_tab[5] = {
- NULL,
- NULL,
- build_m2,
- build_m3,
- build_m3
-};
-
-
-/* This is unusual in that we respect the stride of the output vector
- * (f). This allows us to pass in either a texcoord vector4f, or a
- * temporary vector3f.
- */
-static void build_f3( GLfloat *f,
- GLuint fstride,
- const GLvector4f *normal,
- const GLvector4f *eye )
-{
- GLuint stride = eye->stride;
- GLfloat *coord = eye->start;
- GLuint count = eye->count;
-
- GLfloat *norm = normal->start;
- GLuint i;
-
- for (i=0;i<count;i++) {
- GLfloat u[3], two_nu;
- COPY_3V( u, coord );
- NORMALIZE_3FV( u );
- two_nu = 2.0F * DOT3(norm,u);
- f[0] = u[0] - norm[0] * two_nu;
- f[1] = u[1] - norm[1] * two_nu;
- f[2] = u[2] - norm[2] * two_nu;
- STRIDE_F(coord,stride);
- STRIDE_F(f,fstride);
- STRIDE_F(norm, normal->stride);
- }
-}
-
-
-static void build_f2( GLfloat *f,
- GLuint fstride,
- const GLvector4f *normal,
- const GLvector4f *eye )
-{
- GLuint stride = eye->stride;
- GLfloat *coord = eye->start;
- GLuint count = eye->count;
- GLfloat *norm = normal->start;
- GLuint i;
-
- for (i=0;i<count;i++) {
-
- GLfloat u[3], two_nu;
- COPY_2V( u, coord );
- u[2] = 0;
- NORMALIZE_3FV( u );
- two_nu = 2.0F * DOT3(norm,u);
- f[0] = u[0] - norm[0] * two_nu;
- f[1] = u[1] - norm[1] * two_nu;
- f[2] = u[2] - norm[2] * two_nu;
-
- STRIDE_F(coord,stride);
- STRIDE_F(f,fstride);
- STRIDE_F(norm, normal->stride);
- }
-}
-
-typedef void (*build_f_func)( GLfloat *f,
- GLuint fstride,
- const GLvector4f *normal_vec,
- const GLvector4f *eye );
-
-
-
-/* Just treat 4-vectors as 3-vectors.
- */
-static build_f_func build_f_tab[5] = {
- NULL,
- NULL,
- build_f2,
- build_f3,
- build_f3
-};
-
-
-
-/* Special case texgen functions.
- */
-static void texgen_reflection_map_nv( struct gl_context *ctx,
- struct texgen_stage_data *store,
- GLuint unit )
-{
- struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
- GLvector4f *in = VB->AttribPtr[VERT_ATTRIB_TEX0 + unit];
- GLvector4f *out = &store->texcoord[unit];
-
- build_f_tab[VB->EyePtr->size]( out->start,
- out->stride,
- VB->AttribPtr[_TNL_ATTRIB_NORMAL],
- VB->EyePtr );
-
- out->flags |= (in->flags & VEC_SIZE_FLAGS) | VEC_SIZE_3;
- out->count = VB->Count;
- out->size = MAX2(in->size, 3);
- if (in->size == 4)
- _mesa_copy_tab[0x8]( out, in );
-}
-
-
-
-static void texgen_normal_map_nv( struct gl_context *ctx,
- struct texgen_stage_data *store,
- GLuint unit )
-{
- struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
- GLvector4f *in = VB->AttribPtr[VERT_ATTRIB_TEX0 + unit];
- GLvector4f *out = &store->texcoord[unit];
- GLvector4f *normal = VB->AttribPtr[_TNL_ATTRIB_NORMAL];
- GLfloat (*texcoord)[4] = (GLfloat (*)[4])out->start;
- GLuint count = VB->Count;
- GLuint i;
- const GLfloat *norm = normal->start;
-
- for (i=0;i<count;i++, STRIDE_F(norm, normal->stride)) {
- texcoord[i][0] = norm[0];
- texcoord[i][1] = norm[1];
- texcoord[i][2] = norm[2];
- }
-
-
- out->flags |= (in->flags & VEC_SIZE_FLAGS) | VEC_SIZE_3;
- out->count = count;
- out->size = MAX2(in->size, 3);
- if (in->size == 4)
- _mesa_copy_tab[0x8]( out, in );
-}
-
-
-static void texgen_sphere_map( struct gl_context *ctx,
- struct texgen_stage_data *store,
- GLuint unit )
-{
- struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
- GLvector4f *in = VB->AttribPtr[VERT_ATTRIB_TEX0 + unit];
- GLvector4f *out = &store->texcoord[unit];
- GLfloat (*texcoord)[4] = (GLfloat (*)[4]) out->start;
- GLuint count = VB->Count;
- GLuint i;
- GLfloat (*f)[3] = store->tmp_f;
- GLfloat *m = store->tmp_m;
-
- (build_m_tab[VB->EyePtr->size])( store->tmp_f,
- store->tmp_m,
- VB->AttribPtr[_TNL_ATTRIB_NORMAL],
- VB->EyePtr );
-
- out->size = MAX2(in->size,2);
-
- for (i=0;i<count;i++) {
- texcoord[i][0] = f[i][0] * m[i] + 0.5F;
- texcoord[i][1] = f[i][1] * m[i] + 0.5F;
- }
-
- out->count = count;
- out->flags |= (in->flags & VEC_SIZE_FLAGS) | VEC_SIZE_2;
- if (in->size > 2)
- _mesa_copy_tab[all_bits[in->size] & ~0x3]( out, in );
-}
-
-
-
-static void texgen( struct gl_context *ctx,
- struct texgen_stage_data *store,
- GLuint unit )
-{
- TNLcontext *tnl = TNL_CONTEXT(ctx);
- struct vertex_buffer *VB = &tnl->vb;
- GLvector4f *in = VB->AttribPtr[VERT_ATTRIB_TEX0 + unit];
- GLvector4f *out = &store->texcoord[unit];
- const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
- const GLvector4f *obj = VB->AttribPtr[_TNL_ATTRIB_POS];
- const GLvector4f *eye = VB->EyePtr;
- const GLvector4f *normal = VB->AttribPtr[_TNL_ATTRIB_NORMAL];
- const GLfloat *m = store->tmp_m;
- const GLuint count = VB->Count;
- GLfloat (*texcoord)[4] = (GLfloat (*)[4])out->data;
- GLfloat (*f)[3] = store->tmp_f;
- GLuint copy;
-
- if (texUnit->_GenFlags & TEXGEN_NEED_M) {
- build_m_tab[eye->size]( store->tmp_f, store->tmp_m, normal, eye );
- } else if (texUnit->_GenFlags & TEXGEN_NEED_F) {
- build_f_tab[eye->size]( (GLfloat *)store->tmp_f, 3, normal, eye );
- }
-
-
- out->size = MAX2(in->size, store->TexgenSize[unit]);
- out->flags |= (in->flags & VEC_SIZE_FLAGS) | texUnit->TexGenEnabled;
- out->count = count;
-
- copy = (all_bits[in->size] & ~texUnit->TexGenEnabled);
- if (copy)
- _mesa_copy_tab[copy]( out, in );
-
- if (texUnit->TexGenEnabled & S_BIT) {
- GLuint i;
- switch (texUnit->GenS.Mode) {
- case GL_OBJECT_LINEAR:
- _mesa_dotprod_tab[obj->size]( (GLfloat *)out->data,
- sizeof(out->data[0]), obj,
- texUnit->GenS.ObjectPlane );
- break;
- case GL_EYE_LINEAR:
- _mesa_dotprod_tab[eye->size]( (GLfloat *)out->data,
- sizeof(out->data[0]), eye,
- texUnit->GenS.EyePlane );
- break;
- case GL_SPHERE_MAP:
- for (i = 0; i < count; i++)
- texcoord[i][0] = f[i][0] * m[i] + 0.5F;
- break;
- case GL_REFLECTION_MAP_NV:
- for (i=0;i<count;i++)
- texcoord[i][0] = f[i][0];
- break;
- case GL_NORMAL_MAP_NV: {
- const GLfloat *norm = normal->start;
- for (i=0;i<count;i++, STRIDE_F(norm, normal->stride)) {
- texcoord[i][0] = norm[0];
- }
- break;
- }
- default:
- _mesa_problem(ctx, "Bad S texgen");
- }
- }
-
- if (texUnit->TexGenEnabled & T_BIT) {
- GLuint i;
- switch (texUnit->GenT.Mode) {
- case GL_OBJECT_LINEAR:
- _mesa_dotprod_tab[obj->size]( &(out->data[0][1]),
- sizeof(out->data[0]), obj,
- texUnit->GenT.ObjectPlane );
- break;
- case GL_EYE_LINEAR:
- _mesa_dotprod_tab[eye->size]( &(out->data[0][1]),
- sizeof(out->data[0]), eye,
- texUnit->GenT.EyePlane );
- break;
- case GL_SPHERE_MAP:
- for (i = 0; i < count; i++)
- texcoord[i][1] = f[i][1] * m[i] + 0.5F;
- break;
- case GL_REFLECTION_MAP_NV:
- for (i=0;i<count;i++)
- texcoord[i][1] = f[i][1];
- break;
- case GL_NORMAL_MAP_NV: {
- const GLfloat *norm = normal->start;
- for (i=0;i<count;i++, STRIDE_F(norm, normal->stride)) {
- texcoord[i][1] = norm[1];
- }
- break;
- }
- default:
- _mesa_problem(ctx, "Bad T texgen");
- }
- }
-
- if (texUnit->TexGenEnabled & R_BIT) {
- GLuint i;
- switch (texUnit->GenR.Mode) {
- case GL_OBJECT_LINEAR:
- _mesa_dotprod_tab[obj->size]( &(out->data[0][2]),
- sizeof(out->data[0]), obj,
- texUnit->GenR.ObjectPlane );
- break;
- case GL_EYE_LINEAR:
- _mesa_dotprod_tab[eye->size]( &(out->data[0][2]),
- sizeof(out->data[0]), eye,
- texUnit->GenR.EyePlane );
- break;
- case GL_REFLECTION_MAP_NV:
- for (i=0;i<count;i++)
- texcoord[i][2] = f[i][2];
- break;
- case GL_NORMAL_MAP_NV: {
- const GLfloat *norm = normal->start;
- for (i=0;i<count;i++,STRIDE_F(norm, normal->stride)) {
- texcoord[i][2] = norm[2];
- }
- break;
- }
- default:
- _mesa_problem(ctx, "Bad R texgen");
- }
- }
-
- if (texUnit->TexGenEnabled & Q_BIT) {
- switch (texUnit->GenQ.Mode) {
- case GL_OBJECT_LINEAR:
- _mesa_dotprod_tab[obj->size]( &(out->data[0][3]),
- sizeof(out->data[0]), obj,
- texUnit->GenQ.ObjectPlane );
- break;
- case GL_EYE_LINEAR:
- _mesa_dotprod_tab[eye->size]( &(out->data[0][3]),
- sizeof(out->data[0]), eye,
- texUnit->GenQ.EyePlane );
- break;
- default:
- _mesa_problem(ctx, "Bad Q texgen");
- }
- }
-}
-
-
-
-
-static GLboolean run_texgen_stage( struct gl_context *ctx,
- struct tnl_pipeline_stage *stage )
-{
- struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
- struct texgen_stage_data *store = TEXGEN_STAGE_DATA(stage);
- GLuint i;
-
- if (!ctx->Texture._TexGenEnabled || ctx->VertexProgram._Current)
- return GL_TRUE;
-
- for (i = 0 ; i < ctx->Const.MaxTextureCoordUnits ; i++) {
- struct gl_texture_unit *texUnit = &ctx->Texture.Unit[i];
-
- if (texUnit->TexGenEnabled) {
-
- store->TexgenFunc[i]( ctx, store, i );
-
- VB->AttribPtr[VERT_ATTRIB_TEX0 + i] = &store->texcoord[i];
- }
- }
-
- return GL_TRUE;
-}
-
-
-static void validate_texgen_stage( struct gl_context *ctx,
- struct tnl_pipeline_stage *stage )
-{
- struct texgen_stage_data *store = TEXGEN_STAGE_DATA(stage);
- GLuint i;
-
- if (!ctx->Texture._TexGenEnabled || ctx->VertexProgram._Current)
- return;
-
- for (i = 0 ; i < ctx->Const.MaxTextureCoordUnits ; i++) {
- struct gl_texture_unit *texUnit = &ctx->Texture.Unit[i];
-
- if (texUnit->TexGenEnabled) {
- GLuint sz;
-
- if (texUnit->TexGenEnabled & Q_BIT)
- sz = 4;
- else if (texUnit->TexGenEnabled & R_BIT)
- sz = 3;
- else if (texUnit->TexGenEnabled & T_BIT)
- sz = 2;
- else
- sz = 1;
-
- store->TexgenSize[i] = sz;
- store->TexgenFunc[i] = texgen; /* general solution */
-
- /* look for special texgen cases */
- if (texUnit->TexGenEnabled == (S_BIT|T_BIT|R_BIT)) {
- if (texUnit->_GenFlags == TEXGEN_REFLECTION_MAP_NV) {
- store->TexgenFunc[i] = texgen_reflection_map_nv;
- }
- else if (texUnit->_GenFlags == TEXGEN_NORMAL_MAP_NV) {
- store->TexgenFunc[i] = texgen_normal_map_nv;
- }
- }
- else if (texUnit->TexGenEnabled == (S_BIT|T_BIT) &&
- texUnit->_GenFlags == TEXGEN_SPHERE_MAP) {
- store->TexgenFunc[i] = texgen_sphere_map;
- }
- }
- }
-}
-
-
-
-
-
-/* Called the first time stage->run() is invoked.
- */
-static GLboolean alloc_texgen_data( struct gl_context *ctx,
- struct tnl_pipeline_stage *stage )
-{
- struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
- struct texgen_stage_data *store;
- GLuint i;
-
- stage->privatePtr = CALLOC(sizeof(*store));
- store = TEXGEN_STAGE_DATA(stage);
- if (!store)
- return GL_FALSE;
-
- for (i = 0 ; i < ctx->Const.MaxTextureCoordUnits ; i++)
- _mesa_vector4f_alloc( &store->texcoord[i], 0, VB->Size, 32 );
-
- store->tmp_f = (GLfloat (*)[3]) MALLOC(VB->Size * sizeof(GLfloat) * 3);
- store->tmp_m = (GLfloat *) MALLOC(VB->Size * sizeof(GLfloat));
-
- return GL_TRUE;
-}
-
-
-static void free_texgen_data( struct tnl_pipeline_stage *stage )
-
-{
- struct texgen_stage_data *store = TEXGEN_STAGE_DATA(stage);
- GLuint i;
-
- if (store) {
- for (i = 0 ; i < MAX_TEXTURE_COORD_UNITS ; i++)
- if (store->texcoord[i].data)
- _mesa_vector4f_free( &store->texcoord[i] );
-
-
- if (store->tmp_f) FREE( store->tmp_f );
- if (store->tmp_m) FREE( store->tmp_m );
- FREE( store );
- stage->privatePtr = NULL;
- }
-}
-
-
-
-const struct tnl_pipeline_stage _tnl_texgen_stage =
-{
- "texgen", /* name */
- NULL, /* private data */
- alloc_texgen_data, /* destructor */
- free_texgen_data, /* destructor */
- validate_texgen_stage, /* check */
- run_texgen_stage /* run -- initially set to alloc data */
-};
+/*
+ * Mesa 3-D graphics library
+ * Version: 6.5
+ *
+ * Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ * Brian Paul
+ * Keith Whitwell <keith@tungstengraphics.com>
+ */
+
+/*
+ * Regarding GL_NV_texgen_reflection:
+ *
+ * Portions of this software may use or implement intellectual
+ * property owned and licensed by NVIDIA Corporation. NVIDIA disclaims
+ * any and all warranties with respect to such intellectual property,
+ * including any use thereof or modifications thereto.
+ */
+
+#include "main/glheader.h"
+#include "main/colormac.h"
+#include "main/macros.h"
+#include "main/imports.h"
+#include "main/mtypes.h"
+
+#include "math/m_xform.h"
+
+#include "t_context.h"
+#include "t_pipeline.h"
+
+
+/***********************************************************************
+ * Automatic texture coordinate generation (texgen) code.
+ */
+
+
+struct texgen_stage_data;
+
+typedef void (*texgen_func)( struct gl_context *ctx,
+ struct texgen_stage_data *store,
+ GLuint unit);
+
+
+struct texgen_stage_data {
+
+ /* Per-texunit derived state.
+ */
+ GLuint TexgenSize[MAX_TEXTURE_COORD_UNITS];
+ texgen_func TexgenFunc[MAX_TEXTURE_COORD_UNITS];
+
+ /* Temporary values used in texgen.
+ */
+ GLfloat (*tmp_f)[3];
+ GLfloat *tmp_m;
+
+ /* Buffered outputs of the stage.
+ */
+ GLvector4f texcoord[MAX_TEXTURE_COORD_UNITS];
+};
+
+
+#define TEXGEN_STAGE_DATA(stage) ((struct texgen_stage_data *)stage->privatePtr)
+
+
+
+static GLuint all_bits[5] = {
+ 0,
+ VEC_SIZE_1,
+ VEC_SIZE_2,
+ VEC_SIZE_3,
+ VEC_SIZE_4,
+};
+
+#define VEC_SIZE_FLAGS (VEC_SIZE_1|VEC_SIZE_2|VEC_SIZE_3|VEC_SIZE_4)
+
+#define TEXGEN_NEED_M (TEXGEN_SPHERE_MAP)
+#define TEXGEN_NEED_F (TEXGEN_SPHERE_MAP | \
+ TEXGEN_REFLECTION_MAP_NV)
+
+
+
+static void build_m3( GLfloat f[][3], GLfloat m[],
+ const GLvector4f *normal,
+ const GLvector4f *eye )
+{
+ GLuint stride = eye->stride;
+ GLfloat *coord = (GLfloat *)eye->start;
+ GLuint count = eye->count;
+ const GLfloat *norm = normal->start;
+ GLuint i;
+
+ for (i=0;i<count;i++,STRIDE_F(coord,stride),STRIDE_F(norm,normal->stride)) {
+ GLfloat u[3], two_nu, fx, fy, fz;
+ COPY_3V( u, coord );
+ NORMALIZE_3FV( u );
+ two_nu = 2.0F * DOT3(norm,u);
+ fx = f[i][0] = u[0] - norm[0] * two_nu;
+ fy = f[i][1] = u[1] - norm[1] * two_nu;
+ fz = f[i][2] = u[2] - norm[2] * two_nu;
+ m[i] = fx * fx + fy * fy + (fz + 1.0F) * (fz + 1.0F);
+ if (m[i] != 0.0F) {
+ m[i] = 0.5F * _mesa_inv_sqrtf(m[i]);
+ }
+ }
+}
+
+
+
+static void build_m2( GLfloat f[][3], GLfloat m[],
+ const GLvector4f *normal,
+ const GLvector4f *eye )
+{
+ GLuint stride = eye->stride;
+ GLfloat *coord = eye->start;
+ GLuint count = eye->count;
+
+ GLfloat *norm = normal->start;
+ GLuint i;
+
+ for (i=0;i<count;i++,STRIDE_F(coord,stride),STRIDE_F(norm,normal->stride)) {
+ GLfloat u[3], two_nu, fx, fy, fz;
+ COPY_2V( u, coord );
+ u[2] = 0;
+ NORMALIZE_3FV( u );
+ two_nu = 2.0F * DOT3(norm,u);
+ fx = f[i][0] = u[0] - norm[0] * two_nu;
+ fy = f[i][1] = u[1] - norm[1] * two_nu;
+ fz = f[i][2] = u[2] - norm[2] * two_nu;
+ m[i] = fx * fx + fy * fy + (fz + 1.0F) * (fz + 1.0F);
+ if (m[i] != 0.0F) {
+ m[i] = 0.5F * _mesa_inv_sqrtf(m[i]);
+ }
+ }
+}
+
+
+
+typedef void (*build_m_func)( GLfloat f[][3],
+ GLfloat m[],
+ const GLvector4f *normal,
+ const GLvector4f *eye );
+
+
+static build_m_func build_m_tab[5] = {
+ NULL,
+ NULL,
+ build_m2,
+ build_m3,
+ build_m3
+};
+
+
+/* This is unusual in that we respect the stride of the output vector
+ * (f). This allows us to pass in either a texcoord vector4f, or a
+ * temporary vector3f.
+ */
+static void build_f3( GLfloat *f,
+ GLuint fstride,
+ const GLvector4f *normal,
+ const GLvector4f *eye )
+{
+ GLuint stride = eye->stride;
+ GLfloat *coord = eye->start;
+ GLuint count = eye->count;
+
+ GLfloat *norm = normal->start;
+ GLuint i;
+
+ for (i=0;i<count;i++) {
+ GLfloat u[3], two_nu;
+ COPY_3V( u, coord );
+ NORMALIZE_3FV( u );
+ two_nu = 2.0F * DOT3(norm,u);
+ f[0] = u[0] - norm[0] * two_nu;
+ f[1] = u[1] - norm[1] * two_nu;
+ f[2] = u[2] - norm[2] * two_nu;
+ STRIDE_F(coord,stride);
+ STRIDE_F(f,fstride);
+ STRIDE_F(norm, normal->stride);
+ }
+}
+
+
+static void build_f2( GLfloat *f,
+ GLuint fstride,
+ const GLvector4f *normal,
+ const GLvector4f *eye )
+{
+ GLuint stride = eye->stride;
+ GLfloat *coord = eye->start;
+ GLuint count = eye->count;
+ GLfloat *norm = normal->start;
+ GLuint i;
+
+ for (i=0;i<count;i++) {
+
+ GLfloat u[3], two_nu;
+ COPY_2V( u, coord );
+ u[2] = 0;
+ NORMALIZE_3FV( u );
+ two_nu = 2.0F * DOT3(norm,u);
+ f[0] = u[0] - norm[0] * two_nu;
+ f[1] = u[1] - norm[1] * two_nu;
+ f[2] = u[2] - norm[2] * two_nu;
+
+ STRIDE_F(coord,stride);
+ STRIDE_F(f,fstride);
+ STRIDE_F(norm, normal->stride);
+ }
+}
+
+typedef void (*build_f_func)( GLfloat *f,
+ GLuint fstride,
+ const GLvector4f *normal_vec,
+ const GLvector4f *eye );
+
+
+
+/* Just treat 4-vectors as 3-vectors.
+ */
+static build_f_func build_f_tab[5] = {
+ NULL,
+ NULL,
+ build_f2,
+ build_f3,
+ build_f3
+};
+
+
+
+/* Special case texgen functions.
+ */
+static void texgen_reflection_map_nv( struct gl_context *ctx,
+ struct texgen_stage_data *store,
+ GLuint unit )
+{
+ struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
+ GLvector4f *in = VB->AttribPtr[VERT_ATTRIB_TEX0 + unit];
+ GLvector4f *out = &store->texcoord[unit];
+
+ build_f_tab[VB->EyePtr->size]( out->start,
+ out->stride,
+ VB->AttribPtr[_TNL_ATTRIB_NORMAL],
+ VB->EyePtr );
+
+ out->flags |= (in->flags & VEC_SIZE_FLAGS) | VEC_SIZE_3;
+ out->count = VB->Count;
+ out->size = MAX2(in->size, 3);
+ if (in->size == 4)
+ _mesa_copy_tab[0x8]( out, in );
+}
+
+
+
+static void texgen_normal_map_nv( struct gl_context *ctx,
+ struct texgen_stage_data *store,
+ GLuint unit )
+{
+ struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
+ GLvector4f *in = VB->AttribPtr[VERT_ATTRIB_TEX0 + unit];
+ GLvector4f *out = &store->texcoord[unit];
+ GLvector4f *normal = VB->AttribPtr[_TNL_ATTRIB_NORMAL];
+ GLfloat (*texcoord)[4] = (GLfloat (*)[4])out->start;
+ GLuint count = VB->Count;
+ GLuint i;
+ const GLfloat *norm = normal->start;
+
+ for (i=0;i<count;i++, STRIDE_F(norm, normal->stride)) {
+ texcoord[i][0] = norm[0];
+ texcoord[i][1] = norm[1];
+ texcoord[i][2] = norm[2];
+ }
+
+
+ out->flags |= (in->flags & VEC_SIZE_FLAGS) | VEC_SIZE_3;
+ out->count = count;
+ out->size = MAX2(in->size, 3);
+ if (in->size == 4)
+ _mesa_copy_tab[0x8]( out, in );
+}
+
+
+static void texgen_sphere_map( struct gl_context *ctx,
+ struct texgen_stage_data *store,
+ GLuint unit )
+{
+ struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
+ GLvector4f *in = VB->AttribPtr[VERT_ATTRIB_TEX0 + unit];
+ GLvector4f *out = &store->texcoord[unit];
+ GLfloat (*texcoord)[4] = (GLfloat (*)[4]) out->start;
+ GLuint count = VB->Count;
+ GLuint i;
+ GLfloat (*f)[3] = store->tmp_f;
+ GLfloat *m = store->tmp_m;
+
+ (build_m_tab[VB->EyePtr->size])( store->tmp_f,
+ store->tmp_m,
+ VB->AttribPtr[_TNL_ATTRIB_NORMAL],
+ VB->EyePtr );
+
+ out->size = MAX2(in->size,2);
+
+ for (i=0;i<count;i++) {
+ texcoord[i][0] = f[i][0] * m[i] + 0.5F;
+ texcoord[i][1] = f[i][1] * m[i] + 0.5F;
+ }
+
+ out->count = count;
+ out->flags |= (in->flags & VEC_SIZE_FLAGS) | VEC_SIZE_2;
+ if (in->size > 2)
+ _mesa_copy_tab[all_bits[in->size] & ~0x3]( out, in );
+}
+
+
+
+static void texgen( struct gl_context *ctx,
+ struct texgen_stage_data *store,
+ GLuint unit )
+{
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ struct vertex_buffer *VB = &tnl->vb;
+ GLvector4f *in = VB->AttribPtr[VERT_ATTRIB_TEX0 + unit];
+ GLvector4f *out = &store->texcoord[unit];
+ const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
+ const GLvector4f *obj = VB->AttribPtr[_TNL_ATTRIB_POS];
+ const GLvector4f *eye = VB->EyePtr;
+ const GLvector4f *normal = VB->AttribPtr[_TNL_ATTRIB_NORMAL];
+ const GLfloat *m = store->tmp_m;
+ const GLuint count = VB->Count;
+ GLfloat (*texcoord)[4] = (GLfloat (*)[4])out->data;
+ GLfloat (*f)[3] = store->tmp_f;
+ GLuint copy;
+
+ if (texUnit->_GenFlags & TEXGEN_NEED_M) {
+ build_m_tab[eye->size]( store->tmp_f, store->tmp_m, normal, eye );
+ } else if (texUnit->_GenFlags & TEXGEN_NEED_F) {
+ build_f_tab[eye->size]( (GLfloat *)store->tmp_f, 3, normal, eye );
+ }
+
+
+ out->size = MAX2(in->size, store->TexgenSize[unit]);
+ out->flags |= (in->flags & VEC_SIZE_FLAGS) | texUnit->TexGenEnabled;
+ out->count = count;
+
+ copy = (all_bits[in->size] & ~texUnit->TexGenEnabled);
+ if (copy)
+ _mesa_copy_tab[copy]( out, in );
+
+ if (texUnit->TexGenEnabled & S_BIT) {
+ GLuint i;
+ switch (texUnit->GenS.Mode) {
+ case GL_OBJECT_LINEAR:
+ _mesa_dotprod_tab[obj->size]( (GLfloat *)out->data,
+ sizeof(out->data[0]), obj,
+ texUnit->GenS.ObjectPlane );
+ break;
+ case GL_EYE_LINEAR:
+ _mesa_dotprod_tab[eye->size]( (GLfloat *)out->data,
+ sizeof(out->data[0]), eye,
+ texUnit->GenS.EyePlane );
+ break;
+ case GL_SPHERE_MAP:
+ for (i = 0; i < count; i++)
+ texcoord[i][0] = f[i][0] * m[i] + 0.5F;
+ break;
+ case GL_REFLECTION_MAP_NV:
+ for (i=0;i<count;i++)
+ texcoord[i][0] = f[i][0];
+ break;
+ case GL_NORMAL_MAP_NV: {
+ const GLfloat *norm = normal->start;
+ for (i=0;i<count;i++, STRIDE_F(norm, normal->stride)) {
+ texcoord[i][0] = norm[0];
+ }
+ break;
+ }
+ default:
+ _mesa_problem(ctx, "Bad S texgen");
+ }
+ }
+
+ if (texUnit->TexGenEnabled & T_BIT) {
+ GLuint i;
+ switch (texUnit->GenT.Mode) {
+ case GL_OBJECT_LINEAR:
+ _mesa_dotprod_tab[obj->size]( &(out->data[0][1]),
+ sizeof(out->data[0]), obj,
+ texUnit->GenT.ObjectPlane );
+ break;
+ case GL_EYE_LINEAR:
+ _mesa_dotprod_tab[eye->size]( &(out->data[0][1]),
+ sizeof(out->data[0]), eye,
+ texUnit->GenT.EyePlane );
+ break;
+ case GL_SPHERE_MAP:
+ for (i = 0; i < count; i++)
+ texcoord[i][1] = f[i][1] * m[i] + 0.5F;
+ break;
+ case GL_REFLECTION_MAP_NV:
+ for (i=0;i<count;i++)
+ texcoord[i][1] = f[i][1];
+ break;
+ case GL_NORMAL_MAP_NV: {
+ const GLfloat *norm = normal->start;
+ for (i=0;i<count;i++, STRIDE_F(norm, normal->stride)) {
+ texcoord[i][1] = norm[1];
+ }
+ break;
+ }
+ default:
+ _mesa_problem(ctx, "Bad T texgen");
+ }
+ }
+
+ if (texUnit->TexGenEnabled & R_BIT) {
+ GLuint i;
+ switch (texUnit->GenR.Mode) {
+ case GL_OBJECT_LINEAR:
+ _mesa_dotprod_tab[obj->size]( &(out->data[0][2]),
+ sizeof(out->data[0]), obj,
+ texUnit->GenR.ObjectPlane );
+ break;
+ case GL_EYE_LINEAR:
+ _mesa_dotprod_tab[eye->size]( &(out->data[0][2]),
+ sizeof(out->data[0]), eye,
+ texUnit->GenR.EyePlane );
+ break;
+ case GL_REFLECTION_MAP_NV:
+ for (i=0;i<count;i++)
+ texcoord[i][2] = f[i][2];
+ break;
+ case GL_NORMAL_MAP_NV: {
+ const GLfloat *norm = normal->start;
+ for (i=0;i<count;i++,STRIDE_F(norm, normal->stride)) {
+ texcoord[i][2] = norm[2];
+ }
+ break;
+ }
+ default:
+ _mesa_problem(ctx, "Bad R texgen");
+ }
+ }
+
+ if (texUnit->TexGenEnabled & Q_BIT) {
+ switch (texUnit->GenQ.Mode) {
+ case GL_OBJECT_LINEAR:
+ _mesa_dotprod_tab[obj->size]( &(out->data[0][3]),
+ sizeof(out->data[0]), obj,
+ texUnit->GenQ.ObjectPlane );
+ break;
+ case GL_EYE_LINEAR:
+ _mesa_dotprod_tab[eye->size]( &(out->data[0][3]),
+ sizeof(out->data[0]), eye,
+ texUnit->GenQ.EyePlane );
+ break;
+ default:
+ _mesa_problem(ctx, "Bad Q texgen");
+ }
+ }
+}
+
+
+
+
+static GLboolean run_texgen_stage( struct gl_context *ctx,
+ struct tnl_pipeline_stage *stage )
+{
+ struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
+ struct texgen_stage_data *store = TEXGEN_STAGE_DATA(stage);
+ GLuint i;
+
+ if (!ctx->Texture._TexGenEnabled || ctx->VertexProgram._Current)
+ return GL_TRUE;
+
+ for (i = 0 ; i < ctx->Const.MaxTextureCoordUnits ; i++) {
+ struct gl_texture_unit *texUnit = &ctx->Texture.Unit[i];
+
+ if (texUnit->TexGenEnabled) {
+
+ store->TexgenFunc[i]( ctx, store, i );
+
+ VB->AttribPtr[VERT_ATTRIB_TEX0 + i] = &store->texcoord[i];
+ }
+ }
+
+ return GL_TRUE;
+}
+
+
+static void validate_texgen_stage( struct gl_context *ctx,
+ struct tnl_pipeline_stage *stage )
+{
+ struct texgen_stage_data *store = TEXGEN_STAGE_DATA(stage);
+ GLuint i;
+
+ if (!ctx->Texture._TexGenEnabled || ctx->VertexProgram._Current)
+ return;
+
+ for (i = 0 ; i < ctx->Const.MaxTextureCoordUnits ; i++) {
+ struct gl_texture_unit *texUnit = &ctx->Texture.Unit[i];
+
+ if (texUnit->TexGenEnabled) {
+ GLuint sz;
+
+ if (texUnit->TexGenEnabled & Q_BIT)
+ sz = 4;
+ else if (texUnit->TexGenEnabled & R_BIT)
+ sz = 3;
+ else if (texUnit->TexGenEnabled & T_BIT)
+ sz = 2;
+ else
+ sz = 1;
+
+ store->TexgenSize[i] = sz;
+ store->TexgenFunc[i] = texgen; /* general solution */
+
+ /* look for special texgen cases */
+ if (texUnit->TexGenEnabled == (S_BIT|T_BIT|R_BIT)) {
+ if (texUnit->_GenFlags == TEXGEN_REFLECTION_MAP_NV) {
+ store->TexgenFunc[i] = texgen_reflection_map_nv;
+ }
+ else if (texUnit->_GenFlags == TEXGEN_NORMAL_MAP_NV) {
+ store->TexgenFunc[i] = texgen_normal_map_nv;
+ }
+ }
+ else if (texUnit->TexGenEnabled == (S_BIT|T_BIT) &&
+ texUnit->_GenFlags == TEXGEN_SPHERE_MAP) {
+ store->TexgenFunc[i] = texgen_sphere_map;
+ }
+ }
+ }
+}
+
+
+
+
+
+/* Called the first time stage->run() is invoked.
+ */
+static GLboolean alloc_texgen_data( struct gl_context *ctx,
+ struct tnl_pipeline_stage *stage )
+{
+ struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
+ struct texgen_stage_data *store;
+ GLuint i;
+
+ stage->privatePtr = CALLOC(sizeof(*store));
+ store = TEXGEN_STAGE_DATA(stage);
+ if (!store)
+ return GL_FALSE;
+
+ for (i = 0 ; i < ctx->Const.MaxTextureCoordUnits ; i++)
+ _mesa_vector4f_alloc( &store->texcoord[i], 0, VB->Size, 32 );
+
+ store->tmp_f = (GLfloat (*)[3]) MALLOC(VB->Size * sizeof(GLfloat) * 3);
+ store->tmp_m = (GLfloat *) MALLOC(VB->Size * sizeof(GLfloat));
+
+ return GL_TRUE;
+}
+
+
+static void free_texgen_data( struct tnl_pipeline_stage *stage )
+
+{
+ struct texgen_stage_data *store = TEXGEN_STAGE_DATA(stage);
+ GLuint i;
+
+ if (store) {
+ for (i = 0 ; i < MAX_TEXTURE_COORD_UNITS ; i++)
+ if (store->texcoord[i].data)
+ _mesa_vector4f_free( &store->texcoord[i] );
+
+
+ if (store->tmp_f) FREE( store->tmp_f );
+ if (store->tmp_m) FREE( store->tmp_m );
+ FREE( store );
+ stage->privatePtr = NULL;
+ }
+}
+
+
+
+const struct tnl_pipeline_stage _tnl_texgen_stage =
+{
+ "texgen", /* name */
+ NULL, /* private data */
+ alloc_texgen_data, /* destructor */
+ free_texgen_data, /* destructor */
+ validate_texgen_stage, /* check */
+ run_texgen_stage /* run -- initially set to alloc data */
+};
diff --git a/mesalib/src/mesa/tnl/t_vb_texmat.c b/mesalib/src/mesa/tnl/t_vb_texmat.c
index 7b30946c8..38aa51fc4 100644
--- a/mesalib/src/mesa/tnl/t_vb_texmat.c
+++ b/mesalib/src/mesa/tnl/t_vb_texmat.c
@@ -1,128 +1,128 @@
-/*
- * Mesa 3-D graphics library
- * Version: 6.5
- *
- * Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Keith Whitwell <keith@tungstengraphics.com>
- */
-
-
-#include "main/glheader.h"
-#include "main/colormac.h"
-#include "main/macros.h"
-#include "main/imports.h"
-#include "main/mtypes.h"
-
-#include "math/m_xform.h"
-
-#include "t_context.h"
-#include "t_pipeline.h"
-
-/* Is there any real benefit seperating texmat from texgen? It means
- * we need two lots of intermediate storage. Any changes to
- * _NEW_TEXTURE will invalidate both sets -- it's only on changes to
- * *only* _NEW_TEXTURE_MATRIX that texgen survives but texmat doesn't.
- *
- * However, the seperation of this code from the complex texgen stuff
- * is very appealing.
- */
-struct texmat_stage_data {
- GLvector4f texcoord[MAX_TEXTURE_COORD_UNITS];
-};
-
-#define TEXMAT_STAGE_DATA(stage) ((struct texmat_stage_data *)stage->privatePtr)
-
-
-
-static GLboolean run_texmat_stage( struct gl_context *ctx,
- struct tnl_pipeline_stage *stage )
-{
- struct texmat_stage_data *store = TEXMAT_STAGE_DATA(stage);
- struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
- GLuint i;
-
- if (!ctx->Texture._TexMatEnabled || ctx->VertexProgram._Current)
- return GL_TRUE;
-
- /* ENABLE_TEXMAT implies that the texture matrix is not the
- * identity, so we don't have to check that here.
- */
- for (i = 0 ; i < ctx->Const.MaxTextureCoordUnits ; i++) {
- if (ctx->Texture._TexMatEnabled & ENABLE_TEXMAT(i)) {
- (void) TransformRaw( &store->texcoord[i],
- ctx->TextureMatrixStack[i].Top,
- VB->AttribPtr[_TNL_ATTRIB_TEX0 + i]);
-
- VB->AttribPtr[VERT_ATTRIB_TEX0+i] = &store->texcoord[i];
- }
- }
-
- return GL_TRUE;
-}
-
-
-/* Called the first time stage->run() is invoked.
- */
-static GLboolean alloc_texmat_data( struct gl_context *ctx,
- struct tnl_pipeline_stage *stage )
-{
- struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
- struct texmat_stage_data *store;
- GLuint i;
-
- stage->privatePtr = CALLOC(sizeof(*store));
- store = TEXMAT_STAGE_DATA(stage);
- if (!store)
- return GL_FALSE;
-
- for (i = 0 ; i < ctx->Const.MaxTextureCoordUnits ; i++)
- _mesa_vector4f_alloc( &store->texcoord[i], 0, VB->Size, 32 );
-
- return GL_TRUE;
-}
-
-
-static void free_texmat_data( struct tnl_pipeline_stage *stage )
-{
- struct texmat_stage_data *store = TEXMAT_STAGE_DATA(stage);
- GLuint i;
-
- if (store) {
- for (i = 0; i < MAX_TEXTURE_COORD_UNITS; i++)
- if (store->texcoord[i].data)
- _mesa_vector4f_free( &store->texcoord[i] );
- FREE( store );
- stage->privatePtr = NULL;
- }
-}
-
-
-
-const struct tnl_pipeline_stage _tnl_texture_transform_stage =
-{
- "texture transform", /* name */
- NULL, /* private data */
- alloc_texmat_data,
- free_texmat_data, /* destructor */
- NULL,
- run_texmat_stage,
-};
+/*
+ * Mesa 3-D graphics library
+ * Version: 6.5
+ *
+ * Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ * Keith Whitwell <keith@tungstengraphics.com>
+ */
+
+
+#include "main/glheader.h"
+#include "main/colormac.h"
+#include "main/macros.h"
+#include "main/imports.h"
+#include "main/mtypes.h"
+
+#include "math/m_xform.h"
+
+#include "t_context.h"
+#include "t_pipeline.h"
+
+/* Is there any real benefit seperating texmat from texgen? It means
+ * we need two lots of intermediate storage. Any changes to
+ * _NEW_TEXTURE will invalidate both sets -- it's only on changes to
+ * *only* _NEW_TEXTURE_MATRIX that texgen survives but texmat doesn't.
+ *
+ * However, the seperation of this code from the complex texgen stuff
+ * is very appealing.
+ */
+struct texmat_stage_data {
+ GLvector4f texcoord[MAX_TEXTURE_COORD_UNITS];
+};
+
+#define TEXMAT_STAGE_DATA(stage) ((struct texmat_stage_data *)stage->privatePtr)
+
+
+
+static GLboolean run_texmat_stage( struct gl_context *ctx,
+ struct tnl_pipeline_stage *stage )
+{
+ struct texmat_stage_data *store = TEXMAT_STAGE_DATA(stage);
+ struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
+ GLuint i;
+
+ if (!ctx->Texture._TexMatEnabled || ctx->VertexProgram._Current)
+ return GL_TRUE;
+
+ /* ENABLE_TEXMAT implies that the texture matrix is not the
+ * identity, so we don't have to check that here.
+ */
+ for (i = 0 ; i < ctx->Const.MaxTextureCoordUnits ; i++) {
+ if (ctx->Texture._TexMatEnabled & ENABLE_TEXMAT(i)) {
+ (void) TransformRaw( &store->texcoord[i],
+ ctx->TextureMatrixStack[i].Top,
+ VB->AttribPtr[_TNL_ATTRIB_TEX0 + i]);
+
+ VB->AttribPtr[VERT_ATTRIB_TEX0+i] = &store->texcoord[i];
+ }
+ }
+
+ return GL_TRUE;
+}
+
+
+/* Called the first time stage->run() is invoked.
+ */
+static GLboolean alloc_texmat_data( struct gl_context *ctx,
+ struct tnl_pipeline_stage *stage )
+{
+ struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
+ struct texmat_stage_data *store;
+ GLuint i;
+
+ stage->privatePtr = CALLOC(sizeof(*store));
+ store = TEXMAT_STAGE_DATA(stage);
+ if (!store)
+ return GL_FALSE;
+
+ for (i = 0 ; i < ctx->Const.MaxTextureCoordUnits ; i++)
+ _mesa_vector4f_alloc( &store->texcoord[i], 0, VB->Size, 32 );
+
+ return GL_TRUE;
+}
+
+
+static void free_texmat_data( struct tnl_pipeline_stage *stage )
+{
+ struct texmat_stage_data *store = TEXMAT_STAGE_DATA(stage);
+ GLuint i;
+
+ if (store) {
+ for (i = 0; i < MAX_TEXTURE_COORD_UNITS; i++)
+ if (store->texcoord[i].data)
+ _mesa_vector4f_free( &store->texcoord[i] );
+ FREE( store );
+ stage->privatePtr = NULL;
+ }
+}
+
+
+
+const struct tnl_pipeline_stage _tnl_texture_transform_stage =
+{
+ "texture transform", /* name */
+ NULL, /* private data */
+ alloc_texmat_data,
+ free_texmat_data, /* destructor */
+ NULL,
+ run_texmat_stage,
+};
diff --git a/mesalib/src/mesa/tnl/t_vb_vertex.c b/mesalib/src/mesa/tnl/t_vb_vertex.c
index a77959410..26e8ae065 100644
--- a/mesalib/src/mesa/tnl/t_vb_vertex.c
+++ b/mesalib/src/mesa/tnl/t_vb_vertex.c
@@ -1,283 +1,283 @@
-/*
- * Mesa 3-D graphics library
- * Version: 6.5
- *
- * Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Keith Whitwell <keith@tungstengraphics.com>
- */
-
-
-#include "main/glheader.h"
-#include "main/colormac.h"
-#include "main/macros.h"
-#include "main/imports.h"
-#include "main/mtypes.h"
-
-#include "math/m_xform.h"
-
-#include "t_context.h"
-#include "t_pipeline.h"
-
-
-
-struct vertex_stage_data {
- GLvector4f eye;
- GLvector4f clip;
- GLvector4f proj;
- GLubyte *clipmask;
- GLubyte ormask;
- GLubyte andmask;
-};
-
-#define VERTEX_STAGE_DATA(stage) ((struct vertex_stage_data *)stage->privatePtr)
-
-
-
-
-/* This function implements cliptesting for user-defined clip planes.
- * The clipping of primitives to these planes is implemented in
- * t_render_clip.h.
- */
-#define USER_CLIPTEST(NAME, SZ) \
-static void NAME( struct gl_context *ctx, \
- GLvector4f *clip, \
- GLubyte *clipmask, \
- GLubyte *clipormask, \
- GLubyte *clipandmask ) \
-{ \
- GLuint p; \
- \
- for (p = 0; p < ctx->Const.MaxClipPlanes; p++) \
- if (ctx->Transform.ClipPlanesEnabled & (1 << p)) { \
- GLuint nr, i; \
- const GLfloat a = ctx->Transform._ClipUserPlane[p][0]; \
- const GLfloat b = ctx->Transform._ClipUserPlane[p][1]; \
- const GLfloat c = ctx->Transform._ClipUserPlane[p][2]; \
- const GLfloat d = ctx->Transform._ClipUserPlane[p][3]; \
- GLfloat *coord = (GLfloat *)clip->data; \
- GLuint stride = clip->stride; \
- GLuint count = clip->count; \
- \
- for (nr = 0, i = 0 ; i < count ; i++) { \
- GLfloat dp = coord[0] * a + coord[1] * b; \
- if (SZ > 2) dp += coord[2] * c; \
- if (SZ > 3) dp += coord[3] * d; else dp += d; \
- \
- if (dp < 0) { \
- nr++; \
- clipmask[i] |= CLIP_USER_BIT; \
- } \
- \
- STRIDE_F(coord, stride); \
- } \
- \
- if (nr > 0) { \
- *clipormask |= CLIP_USER_BIT; \
- if (nr == count) { \
- *clipandmask |= CLIP_USER_BIT; \
- return; \
- } \
- } \
- } \
-}
-
-
-USER_CLIPTEST(userclip2, 2)
-USER_CLIPTEST(userclip3, 3)
-USER_CLIPTEST(userclip4, 4)
-
-static void (*(usercliptab[5]))( struct gl_context *,
- GLvector4f *, GLubyte *,
- GLubyte *, GLubyte * ) =
-{
- NULL,
- NULL,
- userclip2,
- userclip3,
- userclip4
-};
-
-
-void
-tnl_clip_prepare(struct gl_context *ctx)
-{
- /* Neither the x86 nor sparc asm cliptest functions have been updated
- * for ARB_depth_clamp, so force the C paths.
- */
- if (ctx->Transform.DepthClamp) {
- static GLboolean c_funcs_installed = GL_FALSE;
- if (!c_funcs_installed) {
- init_c_cliptest();
- c_funcs_installed = GL_TRUE;
- }
- }
-}
-
-
-
-static GLboolean run_vertex_stage( struct gl_context *ctx,
- struct tnl_pipeline_stage *stage )
-{
- struct vertex_stage_data *store = (struct vertex_stage_data *)stage->privatePtr;
- TNLcontext *tnl = TNL_CONTEXT(ctx);
- struct vertex_buffer *VB = &tnl->vb;
-
- if (ctx->VertexProgram._Current)
- return GL_TRUE;
-
- tnl_clip_prepare(ctx);
-
- if (ctx->_NeedEyeCoords) {
- /* Separate modelview transformation:
- * Use combined ModelProject to avoid some depth artifacts
- */
- if (ctx->ModelviewMatrixStack.Top->type == MATRIX_IDENTITY)
- VB->EyePtr = VB->AttribPtr[_TNL_ATTRIB_POS];
- else
- VB->EyePtr = TransformRaw( &store->eye,
- ctx->ModelviewMatrixStack.Top,
- VB->AttribPtr[_TNL_ATTRIB_POS]);
- }
-
- VB->ClipPtr = TransformRaw( &store->clip,
- &ctx->_ModelProjectMatrix,
- VB->AttribPtr[_TNL_ATTRIB_POS] );
-
- /* Drivers expect this to be clean to element 4...
- */
- switch (VB->ClipPtr->size) {
- case 1:
- /* impossible */
- case 2:
- _mesa_vector4f_clean_elem( VB->ClipPtr, VB->Count, 2 );
- /* fall-through */
- case 3:
- _mesa_vector4f_clean_elem( VB->ClipPtr, VB->Count, 3 );
- /* fall-through */
- case 4:
- break;
- }
-
-
- /* Cliptest and perspective divide. Clip functions must clear
- * the clipmask.
- */
- store->ormask = 0;
- store->andmask = CLIP_FRUSTUM_BITS;
-
- if (tnl->NeedNdcCoords) {
- VB->NdcPtr =
- _mesa_clip_tab[VB->ClipPtr->size]( VB->ClipPtr,
- &store->proj,
- store->clipmask,
- &store->ormask,
- &store->andmask,
- !ctx->Transform.DepthClamp );
- }
- else {
- VB->NdcPtr = NULL;
- _mesa_clip_np_tab[VB->ClipPtr->size]( VB->ClipPtr,
- NULL,
- store->clipmask,
- &store->ormask,
- &store->andmask,
- !ctx->Transform.DepthClamp );
- }
-
- if (store->andmask)
- return GL_FALSE;
-
-
- /* Test userclip planes. This contributes to VB->ClipMask, so
- * is essentially required to be in this stage.
- */
- if (ctx->Transform.ClipPlanesEnabled) {
- usercliptab[VB->ClipPtr->size]( ctx,
- VB->ClipPtr,
- store->clipmask,
- &store->ormask,
- &store->andmask );
-
- if (store->andmask)
- return GL_FALSE;
- }
-
- VB->ClipAndMask = store->andmask;
- VB->ClipOrMask = store->ormask;
- VB->ClipMask = store->clipmask;
-
- return GL_TRUE;
-}
-
-
-static GLboolean init_vertex_stage( struct gl_context *ctx,
- struct tnl_pipeline_stage *stage )
-{
- struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
- struct vertex_stage_data *store;
- GLuint size = VB->Size;
-
- stage->privatePtr = CALLOC(sizeof(*store));
- store = VERTEX_STAGE_DATA(stage);
- if (!store)
- return GL_FALSE;
-
- _mesa_vector4f_alloc( &store->eye, 0, size, 32 );
- _mesa_vector4f_alloc( &store->clip, 0, size, 32 );
- _mesa_vector4f_alloc( &store->proj, 0, size, 32 );
-
- store->clipmask = (GLubyte *) _mesa_align_malloc(sizeof(GLubyte)*size, 32 );
-
- if (!store->clipmask ||
- !store->eye.data ||
- !store->clip.data ||
- !store->proj.data)
- return GL_FALSE;
-
- return GL_TRUE;
-}
-
-static void dtr( struct tnl_pipeline_stage *stage )
-{
- struct vertex_stage_data *store = VERTEX_STAGE_DATA(stage);
-
- if (store) {
- _mesa_vector4f_free( &store->eye );
- _mesa_vector4f_free( &store->clip );
- _mesa_vector4f_free( &store->proj );
- _mesa_align_free( store->clipmask );
- FREE(store);
- stage->privatePtr = NULL;
- stage->run = init_vertex_stage;
- }
-}
-
-
-const struct tnl_pipeline_stage _tnl_vertex_transform_stage =
-{
- "modelview/project/cliptest/divide",
- NULL, /* private data */
- init_vertex_stage,
- dtr, /* destructor */
- NULL,
- run_vertex_stage /* run -- initially set to init */
-};
+/*
+ * Mesa 3-D graphics library
+ * Version: 6.5
+ *
+ * Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ * Keith Whitwell <keith@tungstengraphics.com>
+ */
+
+
+#include "main/glheader.h"
+#include "main/colormac.h"
+#include "main/macros.h"
+#include "main/imports.h"
+#include "main/mtypes.h"
+
+#include "math/m_xform.h"
+
+#include "t_context.h"
+#include "t_pipeline.h"
+
+
+
+struct vertex_stage_data {
+ GLvector4f eye;
+ GLvector4f clip;
+ GLvector4f proj;
+ GLubyte *clipmask;
+ GLubyte ormask;
+ GLubyte andmask;
+};
+
+#define VERTEX_STAGE_DATA(stage) ((struct vertex_stage_data *)stage->privatePtr)
+
+
+
+
+/* This function implements cliptesting for user-defined clip planes.
+ * The clipping of primitives to these planes is implemented in
+ * t_render_clip.h.
+ */
+#define USER_CLIPTEST(NAME, SZ) \
+static void NAME( struct gl_context *ctx, \
+ GLvector4f *clip, \
+ GLubyte *clipmask, \
+ GLubyte *clipormask, \
+ GLubyte *clipandmask ) \
+{ \
+ GLuint p; \
+ \
+ for (p = 0; p < ctx->Const.MaxClipPlanes; p++) \
+ if (ctx->Transform.ClipPlanesEnabled & (1 << p)) { \
+ GLuint nr, i; \
+ const GLfloat a = ctx->Transform._ClipUserPlane[p][0]; \
+ const GLfloat b = ctx->Transform._ClipUserPlane[p][1]; \
+ const GLfloat c = ctx->Transform._ClipUserPlane[p][2]; \
+ const GLfloat d = ctx->Transform._ClipUserPlane[p][3]; \
+ GLfloat *coord = (GLfloat *)clip->data; \
+ GLuint stride = clip->stride; \
+ GLuint count = clip->count; \
+ \
+ for (nr = 0, i = 0 ; i < count ; i++) { \
+ GLfloat dp = coord[0] * a + coord[1] * b; \
+ if (SZ > 2) dp += coord[2] * c; \
+ if (SZ > 3) dp += coord[3] * d; else dp += d; \
+ \
+ if (dp < 0) { \
+ nr++; \
+ clipmask[i] |= CLIP_USER_BIT; \
+ } \
+ \
+ STRIDE_F(coord, stride); \
+ } \
+ \
+ if (nr > 0) { \
+ *clipormask |= CLIP_USER_BIT; \
+ if (nr == count) { \
+ *clipandmask |= CLIP_USER_BIT; \
+ return; \
+ } \
+ } \
+ } \
+}
+
+
+USER_CLIPTEST(userclip2, 2)
+USER_CLIPTEST(userclip3, 3)
+USER_CLIPTEST(userclip4, 4)
+
+static void (*(usercliptab[5]))( struct gl_context *,
+ GLvector4f *, GLubyte *,
+ GLubyte *, GLubyte * ) =
+{
+ NULL,
+ NULL,
+ userclip2,
+ userclip3,
+ userclip4
+};
+
+
+void
+tnl_clip_prepare(struct gl_context *ctx)
+{
+ /* Neither the x86 nor sparc asm cliptest functions have been updated
+ * for ARB_depth_clamp, so force the C paths.
+ */
+ if (ctx->Transform.DepthClamp) {
+ static GLboolean c_funcs_installed = GL_FALSE;
+ if (!c_funcs_installed) {
+ init_c_cliptest();
+ c_funcs_installed = GL_TRUE;
+ }
+ }
+}
+
+
+
+static GLboolean run_vertex_stage( struct gl_context *ctx,
+ struct tnl_pipeline_stage *stage )
+{
+ struct vertex_stage_data *store = (struct vertex_stage_data *)stage->privatePtr;
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ struct vertex_buffer *VB = &tnl->vb;
+
+ if (ctx->VertexProgram._Current)
+ return GL_TRUE;
+
+ tnl_clip_prepare(ctx);
+
+ if (ctx->_NeedEyeCoords) {
+ /* Separate modelview transformation:
+ * Use combined ModelProject to avoid some depth artifacts
+ */
+ if (ctx->ModelviewMatrixStack.Top->type == MATRIX_IDENTITY)
+ VB->EyePtr = VB->AttribPtr[_TNL_ATTRIB_POS];
+ else
+ VB->EyePtr = TransformRaw( &store->eye,
+ ctx->ModelviewMatrixStack.Top,
+ VB->AttribPtr[_TNL_ATTRIB_POS]);
+ }
+
+ VB->ClipPtr = TransformRaw( &store->clip,
+ &ctx->_ModelProjectMatrix,
+ VB->AttribPtr[_TNL_ATTRIB_POS] );
+
+ /* Drivers expect this to be clean to element 4...
+ */
+ switch (VB->ClipPtr->size) {
+ case 1:
+ /* impossible */
+ case 2:
+ _mesa_vector4f_clean_elem( VB->ClipPtr, VB->Count, 2 );
+ /* fall-through */
+ case 3:
+ _mesa_vector4f_clean_elem( VB->ClipPtr, VB->Count, 3 );
+ /* fall-through */
+ case 4:
+ break;
+ }
+
+
+ /* Cliptest and perspective divide. Clip functions must clear
+ * the clipmask.
+ */
+ store->ormask = 0;
+ store->andmask = CLIP_FRUSTUM_BITS;
+
+ if (tnl->NeedNdcCoords) {
+ VB->NdcPtr =
+ _mesa_clip_tab[VB->ClipPtr->size]( VB->ClipPtr,
+ &store->proj,
+ store->clipmask,
+ &store->ormask,
+ &store->andmask,
+ !ctx->Transform.DepthClamp );
+ }
+ else {
+ VB->NdcPtr = NULL;
+ _mesa_clip_np_tab[VB->ClipPtr->size]( VB->ClipPtr,
+ NULL,
+ store->clipmask,
+ &store->ormask,
+ &store->andmask,
+ !ctx->Transform.DepthClamp );
+ }
+
+ if (store->andmask)
+ return GL_FALSE;
+
+
+ /* Test userclip planes. This contributes to VB->ClipMask, so
+ * is essentially required to be in this stage.
+ */
+ if (ctx->Transform.ClipPlanesEnabled) {
+ usercliptab[VB->ClipPtr->size]( ctx,
+ VB->ClipPtr,
+ store->clipmask,
+ &store->ormask,
+ &store->andmask );
+
+ if (store->andmask)
+ return GL_FALSE;
+ }
+
+ VB->ClipAndMask = store->andmask;
+ VB->ClipOrMask = store->ormask;
+ VB->ClipMask = store->clipmask;
+
+ return GL_TRUE;
+}
+
+
+static GLboolean init_vertex_stage( struct gl_context *ctx,
+ struct tnl_pipeline_stage *stage )
+{
+ struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
+ struct vertex_stage_data *store;
+ GLuint size = VB->Size;
+
+ stage->privatePtr = CALLOC(sizeof(*store));
+ store = VERTEX_STAGE_DATA(stage);
+ if (!store)
+ return GL_FALSE;
+
+ _mesa_vector4f_alloc( &store->eye, 0, size, 32 );
+ _mesa_vector4f_alloc( &store->clip, 0, size, 32 );
+ _mesa_vector4f_alloc( &store->proj, 0, size, 32 );
+
+ store->clipmask = (GLubyte *) _mesa_align_malloc(sizeof(GLubyte)*size, 32 );
+
+ if (!store->clipmask ||
+ !store->eye.data ||
+ !store->clip.data ||
+ !store->proj.data)
+ return GL_FALSE;
+
+ return GL_TRUE;
+}
+
+static void dtr( struct tnl_pipeline_stage *stage )
+{
+ struct vertex_stage_data *store = VERTEX_STAGE_DATA(stage);
+
+ if (store) {
+ _mesa_vector4f_free( &store->eye );
+ _mesa_vector4f_free( &store->clip );
+ _mesa_vector4f_free( &store->proj );
+ _mesa_align_free( store->clipmask );
+ FREE(store);
+ stage->privatePtr = NULL;
+ stage->run = init_vertex_stage;
+ }
+}
+
+
+const struct tnl_pipeline_stage _tnl_vertex_transform_stage =
+{
+ "modelview/project/cliptest/divide",
+ NULL, /* private data */
+ init_vertex_stage,
+ dtr, /* destructor */
+ NULL,
+ run_vertex_stage /* run -- initially set to init */
+};
diff --git a/mesalib/src/mesa/tnl/t_vertex.h b/mesalib/src/mesa/tnl/t_vertex.h
index bdbc88aff..83b0dbceb 100644
--- a/mesalib/src/mesa/tnl/t_vertex.h
+++ b/mesalib/src/mesa/tnl/t_vertex.h
@@ -1,184 +1,184 @@
-/*
- * Copyright 2003 Tungsten Graphics, inc.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * on the rights to use, copy, modify, merge, publish, distribute, sub
- * license, and/or sell copies of the Software, and to permit persons to whom
- * the Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
- * TUNGSTEN GRAPHICS AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
- * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
- * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
- * USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Keith Whitwell <keithw@tungstengraphics.com>
- */
-
-#ifndef _TNL_VERTEX_H
-#define _TNL_VERTEX_H
-
-#include "main/glheader.h"
-#include "t_context.h"
-
-struct gl_context;
-struct tnl_clipspace;
-
-/* New mechanism to specify hardware vertices so that tnl can build
- * and manipulate them directly.
- */
-
-
-/* It will probably be necessary to allow drivers to specify new
- * emit-styles to cover all the wierd and wacky things out there.
- */
-enum tnl_attr_format {
- EMIT_1F,
- EMIT_2F,
- EMIT_3F,
- EMIT_4F,
- EMIT_2F_VIEWPORT, /* do viewport transform and emit */
- EMIT_3F_VIEWPORT, /* do viewport transform and emit */
- EMIT_4F_VIEWPORT, /* do viewport transform and emit */
- EMIT_3F_XYW, /* for projective texture */
- EMIT_1UB_1F, /* for fog coordinate */
- EMIT_3UB_3F_RGB, /* for specular color */
- EMIT_3UB_3F_BGR, /* for specular color */
- EMIT_4UB_4F_RGBA, /* for color */
- EMIT_4UB_4F_BGRA, /* for color */
- EMIT_4UB_4F_ARGB, /* for color */
- EMIT_4UB_4F_ABGR, /* for color */
- EMIT_4CHAN_4F_RGBA, /* for swrast color */
- EMIT_PAD, /* leave a hole of 'offset' bytes */
- EMIT_MAX
-};
-
-struct tnl_attr_map {
- GLuint attrib; /* _TNL_ATTRIB_ enum */
- enum tnl_attr_format format;
- GLuint offset;
-};
-
-struct tnl_format_info {
- const char *name;
- tnl_extract_func extract;
- tnl_insert_func insert[4];
- const GLuint attrsize;
-};
-
-extern const struct tnl_format_info _tnl_format_info[EMIT_MAX];
-
-
-/* Interpolate between two vertices to produce a third:
- */
-extern void _tnl_interp( struct gl_context *ctx,
- GLfloat t,
- GLuint edst, GLuint eout, GLuint ein,
- GLboolean force_boundary );
-
-/* Copy colors from one vertex to another:
- */
-extern void _tnl_copy_pv( struct gl_context *ctx, GLuint edst, GLuint esrc );
-
-
-/* Extract a named attribute from a hardware vertex. Will have to
- * reverse any viewport transformation, swizzling or other conversions
- * which may have been applied:
- */
-extern void _tnl_get_attr( struct gl_context *ctx, const void *vertex, GLenum attrib,
- GLfloat *dest );
-
-/* Complementary to the above.
- */
-extern void _tnl_set_attr( struct gl_context *ctx, void *vout, GLenum attrib,
- const GLfloat *src );
-
-
-extern void *_tnl_get_vertex( struct gl_context *ctx, GLuint nr );
-
-extern GLuint _tnl_install_attrs( struct gl_context *ctx,
- const struct tnl_attr_map *map,
- GLuint nr, const GLfloat *vp,
- GLuint unpacked_size );
-
-extern void _tnl_free_vertices( struct gl_context *ctx );
-
-extern void _tnl_init_vertices( struct gl_context *ctx,
- GLuint vb_size,
- GLuint max_vertex_size );
-
-extern void *_tnl_emit_vertices_to_buffer( struct gl_context *ctx,
- GLuint start,
- GLuint end,
- void *dest );
-
-/* This function isn't optimal. Check out
- * gallium/auxilary/translate for a more comprehensive implementation of
- * the same functionality.
- */
-
-extern void *_tnl_emit_indexed_vertices_to_buffer( struct gl_context *ctx,
- const GLuint *elts,
- GLuint start,
- GLuint end,
- void *dest );
-
-
-extern void _tnl_build_vertices( struct gl_context *ctx,
- GLuint start,
- GLuint end,
- GLuint newinputs );
-
-extern void _tnl_invalidate_vertices( struct gl_context *ctx, GLuint newinputs );
-
-extern void _tnl_invalidate_vertex_state( struct gl_context *ctx, GLuint new_state );
-
-extern void _tnl_notify_pipeline_output_change( struct gl_context *ctx );
-
-
-#define GET_VERTEX_STATE(ctx) &(TNL_CONTEXT(ctx)->clipspace)
-
-/* Internal function:
- */
-void _tnl_register_fastpath( struct tnl_clipspace *vtx,
- GLboolean match_strides );
-
-
-/* t_vertex_generic.c -- Internal functions for t_vertex.c
- */
-void _tnl_generic_copy_pv_extras( struct gl_context *ctx,
- GLuint dst, GLuint src );
-
-void _tnl_generic_interp_extras( struct gl_context *ctx,
- GLfloat t,
- GLuint dst, GLuint out, GLuint in,
- GLboolean force_boundary );
-
-void _tnl_generic_copy_pv( struct gl_context *ctx, GLuint edst, GLuint esrc );
-
-void _tnl_generic_interp( struct gl_context *ctx,
- GLfloat t,
- GLuint edst, GLuint eout, GLuint ein,
- GLboolean force_boundary );
-
-void _tnl_generic_emit( struct gl_context *ctx,
- GLuint count,
- GLubyte *v );
-
-void _tnl_generate_hardwired_emit( struct gl_context *ctx );
-
-/* t_vertex_sse.c -- Internal functions for t_vertex.c
- */
-void _tnl_generate_sse_emit( struct gl_context *ctx );
-
-#endif
+/*
+ * Copyright 2003 Tungsten Graphics, inc.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * on the rights to use, copy, modify, merge, publish, distribute, sub
+ * license, and/or sell copies of the Software, and to permit persons to whom
+ * the Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * TUNGSTEN GRAPHICS AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ * Keith Whitwell <keithw@tungstengraphics.com>
+ */
+
+#ifndef _TNL_VERTEX_H
+#define _TNL_VERTEX_H
+
+#include "main/glheader.h"
+#include "t_context.h"
+
+struct gl_context;
+struct tnl_clipspace;
+
+/* New mechanism to specify hardware vertices so that tnl can build
+ * and manipulate them directly.
+ */
+
+
+/* It will probably be necessary to allow drivers to specify new
+ * emit-styles to cover all the wierd and wacky things out there.
+ */
+enum tnl_attr_format {
+ EMIT_1F,
+ EMIT_2F,
+ EMIT_3F,
+ EMIT_4F,
+ EMIT_2F_VIEWPORT, /* do viewport transform and emit */
+ EMIT_3F_VIEWPORT, /* do viewport transform and emit */
+ EMIT_4F_VIEWPORT, /* do viewport transform and emit */
+ EMIT_3F_XYW, /* for projective texture */
+ EMIT_1UB_1F, /* for fog coordinate */
+ EMIT_3UB_3F_RGB, /* for specular color */
+ EMIT_3UB_3F_BGR, /* for specular color */
+ EMIT_4UB_4F_RGBA, /* for color */
+ EMIT_4UB_4F_BGRA, /* for color */
+ EMIT_4UB_4F_ARGB, /* for color */
+ EMIT_4UB_4F_ABGR, /* for color */
+ EMIT_4CHAN_4F_RGBA, /* for swrast color */
+ EMIT_PAD, /* leave a hole of 'offset' bytes */
+ EMIT_MAX
+};
+
+struct tnl_attr_map {
+ GLuint attrib; /* _TNL_ATTRIB_ enum */
+ enum tnl_attr_format format;
+ GLuint offset;
+};
+
+struct tnl_format_info {
+ const char *name;
+ tnl_extract_func extract;
+ tnl_insert_func insert[4];
+ const GLuint attrsize;
+};
+
+extern const struct tnl_format_info _tnl_format_info[EMIT_MAX];
+
+
+/* Interpolate between two vertices to produce a third:
+ */
+extern void _tnl_interp( struct gl_context *ctx,
+ GLfloat t,
+ GLuint edst, GLuint eout, GLuint ein,
+ GLboolean force_boundary );
+
+/* Copy colors from one vertex to another:
+ */
+extern void _tnl_copy_pv( struct gl_context *ctx, GLuint edst, GLuint esrc );
+
+
+/* Extract a named attribute from a hardware vertex. Will have to
+ * reverse any viewport transformation, swizzling or other conversions
+ * which may have been applied:
+ */
+extern void _tnl_get_attr( struct gl_context *ctx, const void *vertex, GLenum attrib,
+ GLfloat *dest );
+
+/* Complementary to the above.
+ */
+extern void _tnl_set_attr( struct gl_context *ctx, void *vout, GLenum attrib,
+ const GLfloat *src );
+
+
+extern void *_tnl_get_vertex( struct gl_context *ctx, GLuint nr );
+
+extern GLuint _tnl_install_attrs( struct gl_context *ctx,
+ const struct tnl_attr_map *map,
+ GLuint nr, const GLfloat *vp,
+ GLuint unpacked_size );
+
+extern void _tnl_free_vertices( struct gl_context *ctx );
+
+extern void _tnl_init_vertices( struct gl_context *ctx,
+ GLuint vb_size,
+ GLuint max_vertex_size );
+
+extern void *_tnl_emit_vertices_to_buffer( struct gl_context *ctx,
+ GLuint start,
+ GLuint end,
+ void *dest );
+
+/* This function isn't optimal. Check out
+ * gallium/auxilary/translate for a more comprehensive implementation of
+ * the same functionality.
+ */
+
+extern void *_tnl_emit_indexed_vertices_to_buffer( struct gl_context *ctx,
+ const GLuint *elts,
+ GLuint start,
+ GLuint end,
+ void *dest );
+
+
+extern void _tnl_build_vertices( struct gl_context *ctx,
+ GLuint start,
+ GLuint end,
+ GLuint newinputs );
+
+extern void _tnl_invalidate_vertices( struct gl_context *ctx, GLuint newinputs );
+
+extern void _tnl_invalidate_vertex_state( struct gl_context *ctx, GLuint new_state );
+
+extern void _tnl_notify_pipeline_output_change( struct gl_context *ctx );
+
+
+#define GET_VERTEX_STATE(ctx) &(TNL_CONTEXT(ctx)->clipspace)
+
+/* Internal function:
+ */
+void _tnl_register_fastpath( struct tnl_clipspace *vtx,
+ GLboolean match_strides );
+
+
+/* t_vertex_generic.c -- Internal functions for t_vertex.c
+ */
+void _tnl_generic_copy_pv_extras( struct gl_context *ctx,
+ GLuint dst, GLuint src );
+
+void _tnl_generic_interp_extras( struct gl_context *ctx,
+ GLfloat t,
+ GLuint dst, GLuint out, GLuint in,
+ GLboolean force_boundary );
+
+void _tnl_generic_copy_pv( struct gl_context *ctx, GLuint edst, GLuint esrc );
+
+void _tnl_generic_interp( struct gl_context *ctx,
+ GLfloat t,
+ GLuint edst, GLuint eout, GLuint ein,
+ GLboolean force_boundary );
+
+void _tnl_generic_emit( struct gl_context *ctx,
+ GLuint count,
+ GLubyte *v );
+
+void _tnl_generate_hardwired_emit( struct gl_context *ctx );
+
+/* t_vertex_sse.c -- Internal functions for t_vertex.c
+ */
+void _tnl_generate_sse_emit( struct gl_context *ctx );
+
+#endif
diff --git a/mesalib/src/mesa/tnl/t_vp_build.c b/mesalib/src/mesa/tnl/t_vp_build.c
index 913cba676..70492a435 100644
--- a/mesalib/src/mesa/tnl/t_vp_build.c
+++ b/mesalib/src/mesa/tnl/t_vp_build.c
@@ -1,60 +1,60 @@
-/*
- * Mesa 3-D graphics library
- * Version: 7.1
- *
- * Copyright (C) 2007 Tungsten Graphics All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * TUNGSTEN GRAPHICS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
- * WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-/**
- * \file t_vp_build.c
- * Create a vertex program to execute the current fixed function T&L pipeline.
- * \author Keith Whitwell
- */
-
-
-#include "main/glheader.h"
-#include "main/ffvertex_prog.h"
-#include "main/mtypes.h"
-#include "t_vp_build.h"
-
-
-/**
- * XXX This should go away someday, but still referenced by some drivers...
- */
-void _tnl_UpdateFixedFunctionProgram( struct gl_context *ctx )
-{
- const struct gl_vertex_program *prev = ctx->VertexProgram._Current;
-
- if (!ctx->VertexProgram._Current ||
- ctx->VertexProgram._Current == ctx->VertexProgram._TnlProgram) {
- ctx->VertexProgram._Current
- = ctx->VertexProgram._TnlProgram
- = _mesa_get_fixed_func_vertex_program(ctx);
- }
-
- /* Tell the driver about the change. Could define a new target for
- * this?
- */
- if (ctx->VertexProgram._Current != prev && ctx->Driver.BindProgram) {
- ctx->Driver.BindProgram(ctx, GL_VERTEX_PROGRAM_ARB,
- (struct gl_program *) ctx->VertexProgram._Current);
- }
-}
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.1
+ *
+ * Copyright (C) 2007 Tungsten Graphics All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * TUNGSTEN GRAPHICS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/**
+ * \file t_vp_build.c
+ * Create a vertex program to execute the current fixed function T&L pipeline.
+ * \author Keith Whitwell
+ */
+
+
+#include "main/glheader.h"
+#include "main/ffvertex_prog.h"
+#include "main/mtypes.h"
+#include "t_vp_build.h"
+
+
+/**
+ * XXX This should go away someday, but still referenced by some drivers...
+ */
+void _tnl_UpdateFixedFunctionProgram( struct gl_context *ctx )
+{
+ const struct gl_vertex_program *prev = ctx->VertexProgram._Current;
+
+ if (!ctx->VertexProgram._Current ||
+ ctx->VertexProgram._Current == ctx->VertexProgram._TnlProgram) {
+ ctx->VertexProgram._Current
+ = ctx->VertexProgram._TnlProgram
+ = _mesa_get_fixed_func_vertex_program(ctx);
+ }
+
+ /* Tell the driver about the change. Could define a new target for
+ * this?
+ */
+ if (ctx->VertexProgram._Current != prev && ctx->Driver.BindProgram) {
+ ctx->Driver.BindProgram(ctx, GL_VERTEX_PROGRAM_ARB,
+ (struct gl_program *) ctx->VertexProgram._Current);
+ }
+}
diff --git a/mesalib/src/mesa/tnl/t_vp_build.h b/mesalib/src/mesa/tnl/t_vp_build.h
index 6cba2ce5a..e9f6de5a9 100644
--- a/mesalib/src/mesa/tnl/t_vp_build.h
+++ b/mesalib/src/mesa/tnl/t_vp_build.h
@@ -1,42 +1,42 @@
-/*
- * Mesa 3-D graphics library
- * Version: 6.3
- *
- * Copyright (C) 2005 Tungsten Graphics All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * TUNGSTEN GRAPHICS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
- * WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-
-#ifndef T_VP_BUILD_H
-#define T_VP_BUILD_H
-
-struct gl_context;
-
-#define TNL_FIXED_FUNCTION_STATE_FLAGS (_NEW_PROGRAM | \
- _NEW_LIGHT | \
- _NEW_TEXTURE | \
- _NEW_TEXTURE_MATRIX | \
- _NEW_TRANSFORM | \
- _NEW_FOG | \
- _NEW_POINT)
-
-extern void _tnl_UpdateFixedFunctionProgram( struct gl_context *ctx );
-
-#endif
+/*
+ * Mesa 3-D graphics library
+ * Version: 6.3
+ *
+ * Copyright (C) 2005 Tungsten Graphics All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * TUNGSTEN GRAPHICS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+#ifndef T_VP_BUILD_H
+#define T_VP_BUILD_H
+
+struct gl_context;
+
+#define TNL_FIXED_FUNCTION_STATE_FLAGS (_NEW_PROGRAM | \
+ _NEW_LIGHT | \
+ _NEW_TEXTURE | \
+ _NEW_TEXTURE_MATRIX | \
+ _NEW_TRANSFORM | \
+ _NEW_FOG | \
+ _NEW_POINT)
+
+extern void _tnl_UpdateFixedFunctionProgram( struct gl_context *ctx );
+
+#endif