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authormarha <marha@users.sourceforge.net>2011-02-16 16:53:37 +0000
committermarha <marha@users.sourceforge.net>2011-02-16 16:53:37 +0000
commit48d0dcbd5b7f80810ce259bc9ed6f57f99e27ca9 (patch)
treede0c183abc0d1a958dc04cdf75f56d20db3f45e8 /mesalib/src/mesa/vbo/vbo_save_draw.c
parent6c2a4cdbdb1024e7069b1c51bb046d64750e30a5 (diff)
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pixman mesa git update 16 Feb 2011
Diffstat (limited to 'mesalib/src/mesa/vbo/vbo_save_draw.c')
-rw-r--r--mesalib/src/mesa/vbo/vbo_save_draw.c609
1 files changed, 305 insertions, 304 deletions
diff --git a/mesalib/src/mesa/vbo/vbo_save_draw.c b/mesalib/src/mesa/vbo/vbo_save_draw.c
index 6d8dbdb86..634a6d3f8 100644
--- a/mesalib/src/mesa/vbo/vbo_save_draw.c
+++ b/mesalib/src/mesa/vbo/vbo_save_draw.c
@@ -1,304 +1,305 @@
-/*
- * Mesa 3-D graphics library
- * Version: 7.2
- *
- * Copyright (C) 1999-2008 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.
- */
-
-/* Author:
- * Keith Whitwell <keith@tungstengraphics.com>
- */
-
-#include "main/glheader.h"
-#include "main/bufferobj.h"
-#include "main/context.h"
-#include "main/imports.h"
-#include "main/mfeatures.h"
-#include "main/mtypes.h"
-#include "main/macros.h"
-#include "main/light.h"
-#include "main/state.h"
-
-#include "vbo_context.h"
-
-
-#if FEATURE_dlist
-
-
-/**
- * After playback, copy everything but the position from the
- * last vertex to the saved state
- */
-static void
-_playback_copy_to_current(struct gl_context *ctx,
- const struct vbo_save_vertex_list *node)
-{
- struct vbo_context *vbo = vbo_context(ctx);
- GLfloat vertex[VBO_ATTRIB_MAX * 4];
- GLfloat *data;
- GLuint i, offset;
-
- if (node->current_size == 0)
- return;
-
- if (node->current_data) {
- data = node->current_data;
- }
- else {
- data = vertex;
-
- if (node->count)
- offset = (node->buffer_offset +
- (node->count-1) * node->vertex_size * sizeof(GLfloat));
- else
- offset = node->buffer_offset;
-
- ctx->Driver.GetBufferSubData( ctx, 0, offset,
- node->vertex_size * sizeof(GLfloat),
- data, node->vertex_store->bufferobj );
-
- data += node->attrsz[0]; /* skip vertex position */
- }
-
- for (i = VBO_ATTRIB_POS+1 ; i < VBO_ATTRIB_MAX ; i++) {
- if (node->attrsz[i]) {
- GLfloat *current = (GLfloat *)vbo->currval[i].Ptr;
- GLfloat tmp[4];
-
- COPY_CLEAN_4V(tmp,
- node->attrsz[i],
- data);
-
- if (memcmp(current, tmp, 4 * sizeof(GLfloat)) != 0) {
- memcpy(current, tmp, 4 * sizeof(GLfloat));
-
- vbo->currval[i].Size = node->attrsz[i];
-
- if (i >= VBO_ATTRIB_FIRST_MATERIAL &&
- i <= VBO_ATTRIB_LAST_MATERIAL)
- ctx->NewState |= _NEW_LIGHT;
-
- ctx->NewState |= _NEW_CURRENT_ATTRIB;
- }
-
- data += node->attrsz[i];
- }
- }
-
- /* Colormaterial -- this kindof sucks.
- */
- if (ctx->Light.ColorMaterialEnabled) {
- _mesa_update_color_material(ctx, ctx->Current.Attrib[VBO_ATTRIB_COLOR0]);
- }
-
- /* CurrentExecPrimitive
- */
- if (node->prim_count) {
- const struct _mesa_prim *prim = &node->prim[node->prim_count - 1];
- if (prim->end)
- ctx->Driver.CurrentExecPrimitive = PRIM_OUTSIDE_BEGIN_END;
- else
- ctx->Driver.CurrentExecPrimitive = prim->mode;
- }
-}
-
-
-
-/**
- * Treat the vertex storage as a VBO, define vertex arrays pointing
- * into it:
- */
-static void vbo_bind_vertex_list(struct gl_context *ctx,
- const struct vbo_save_vertex_list *node)
-{
- struct vbo_context *vbo = vbo_context(ctx);
- struct vbo_save_context *save = &vbo->save;
- struct gl_client_array *arrays = save->arrays;
- GLuint buffer_offset = node->buffer_offset;
- const GLuint *map;
- GLuint attr;
- GLubyte node_attrsz[VBO_ATTRIB_MAX]; /* copy of node->attrsz[] */
- GLbitfield varying_inputs = 0x0;
-
- memcpy(node_attrsz, node->attrsz, sizeof(node->attrsz));
-
- /* Install the default (ie Current) attributes first, then overlay
- * all active ones.
- */
- switch (get_program_mode(ctx)) {
- case VP_NONE:
- for (attr = 0; attr < 16; attr++) {
- save->inputs[attr] = &vbo->legacy_currval[attr];
- }
- for (attr = 0; attr < MAT_ATTRIB_MAX; attr++) {
- save->inputs[attr + 16] = &vbo->mat_currval[attr];
- }
- map = vbo->map_vp_none;
- break;
- case VP_NV:
- case VP_ARB:
- /* The aliasing of attributes for NV vertex programs has already
- * occurred. NV vertex programs cannot access material values,
- * nor attributes greater than VERT_ATTRIB_TEX7.
- */
- for (attr = 0; attr < 16; attr++) {
- save->inputs[attr] = &vbo->legacy_currval[attr];
- save->inputs[attr + 16] = &vbo->generic_currval[attr];
- }
- map = vbo->map_vp_arb;
-
- /* check if VERT_ATTRIB_POS is not read but VERT_BIT_GENERIC0 is read.
- * In that case we effectively need to route the data from
- * glVertexAttrib(0, val) calls to feed into the GENERIC0 input.
- */
- if ((ctx->VertexProgram._Current->Base.InputsRead & VERT_BIT_POS) == 0 &&
- (ctx->VertexProgram._Current->Base.InputsRead & VERT_BIT_GENERIC0)) {
- save->inputs[16] = save->inputs[0];
- node_attrsz[16] = node_attrsz[0];
- node_attrsz[0] = 0;
- }
- break;
- default:
- assert(0);
- }
-
- for (attr = 0; attr < VERT_ATTRIB_MAX; attr++) {
- const GLuint src = map[attr];
-
- if (node_attrsz[src]) {
- /* override the default array set above */
- save->inputs[attr] = &arrays[attr];
-
- arrays[attr].Ptr = (const GLubyte *) NULL + buffer_offset;
- arrays[attr].Size = node->attrsz[src];
- arrays[attr].StrideB = node->vertex_size * sizeof(GLfloat);
- arrays[attr].Stride = node->vertex_size * sizeof(GLfloat);
- arrays[attr].Type = GL_FLOAT;
- arrays[attr].Format = GL_RGBA;
- arrays[attr].Enabled = 1;
- _mesa_reference_buffer_object(ctx,
- &arrays[attr].BufferObj,
- node->vertex_store->bufferobj);
- arrays[attr]._MaxElement = node->count; /* ??? */
-
- assert(arrays[attr].BufferObj->Name);
-
- buffer_offset += node->attrsz[src] * sizeof(GLfloat);
- varying_inputs |= 1<<attr;
- }
- }
-
- _mesa_set_varying_vp_inputs( ctx, varying_inputs );
-}
-
-
-static void
-vbo_save_loopback_vertex_list(struct gl_context *ctx,
- const struct vbo_save_vertex_list *list)
-{
- const char *buffer = ctx->Driver.MapBuffer(ctx,
- GL_ARRAY_BUFFER_ARB,
- GL_READ_ONLY, /* ? */
- list->vertex_store->bufferobj);
-
- vbo_loopback_vertex_list(ctx,
- (const GLfloat *)(buffer + list->buffer_offset),
- list->attrsz,
- list->prim,
- list->prim_count,
- list->wrap_count,
- list->vertex_size);
-
- ctx->Driver.UnmapBuffer(ctx, GL_ARRAY_BUFFER_ARB,
- list->vertex_store->bufferobj);
-}
-
-
-/**
- * Execute the buffer and save copied verts.
- * This is called from the display list code when executing
- * a drawing command.
- */
-void
-vbo_save_playback_vertex_list(struct gl_context *ctx, void *data)
-{
- const struct vbo_save_vertex_list *node =
- (const struct vbo_save_vertex_list *) data;
- struct vbo_save_context *save = &vbo_context(ctx)->save;
-
- FLUSH_CURRENT(ctx, 0);
-
- if (node->prim_count > 0 && node->count > 0) {
-
- if (ctx->Driver.CurrentExecPrimitive != PRIM_OUTSIDE_BEGIN_END &&
- node->prim[0].begin) {
-
- /* Degenerate case: list is called inside begin/end pair and
- * includes operations such as glBegin or glDrawArrays.
- */
- if (0)
- printf("displaylist recursive begin");
-
- vbo_save_loopback_vertex_list( ctx, node );
- return;
- }
- else if (save->replay_flags) {
- /* Various degnerate cases: translate into immediate mode
- * calls rather than trying to execute in place.
- */
- vbo_save_loopback_vertex_list( ctx, node );
- return;
- }
-
- if (ctx->NewState)
- _mesa_update_state( ctx );
-
- /* XXX also need to check if shader enabled, but invalid */
- if ((ctx->VertexProgram.Enabled && !ctx->VertexProgram._Enabled) ||
- (ctx->FragmentProgram.Enabled && !ctx->FragmentProgram._Enabled)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glBegin (invalid vertex/fragment program)");
- return;
- }
-
- vbo_bind_vertex_list( ctx, node );
-
- /* Again...
- */
- if (ctx->NewState)
- _mesa_update_state( ctx );
-
- vbo_context(ctx)->draw_prims(ctx,
- save->inputs,
- node->prim,
- node->prim_count,
- NULL,
- GL_TRUE,
- 0, /* Node is a VBO, so this is ok */
- node->count - 1);
- }
-
- /* Copy to current?
- */
- _playback_copy_to_current( ctx, node );
-}
-
-
-#endif /* FEATURE_dlist */
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.2
+ *
+ * Copyright (C) 1999-2008 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.
+ */
+
+/* Author:
+ * Keith Whitwell <keith@tungstengraphics.com>
+ */
+
+#include "main/glheader.h"
+#include "main/bufferobj.h"
+#include "main/context.h"
+#include "main/imports.h"
+#include "main/mfeatures.h"
+#include "main/mtypes.h"
+#include "main/macros.h"
+#include "main/light.h"
+#include "main/state.h"
+
+#include "vbo_context.h"
+
+
+#if FEATURE_dlist
+
+
+/**
+ * After playback, copy everything but the position from the
+ * last vertex to the saved state
+ */
+static void
+_playback_copy_to_current(struct gl_context *ctx,
+ const struct vbo_save_vertex_list *node)
+{
+ struct vbo_context *vbo = vbo_context(ctx);
+ GLfloat vertex[VBO_ATTRIB_MAX * 4];
+ GLfloat *data;
+ GLuint i, offset;
+
+ if (node->current_size == 0)
+ return;
+
+ if (node->current_data) {
+ data = node->current_data;
+ }
+ else {
+ data = vertex;
+
+ if (node->count)
+ offset = (node->buffer_offset +
+ (node->count-1) * node->vertex_size * sizeof(GLfloat));
+ else
+ offset = node->buffer_offset;
+
+ ctx->Driver.GetBufferSubData( ctx, 0, offset,
+ node->vertex_size * sizeof(GLfloat),
+ data, node->vertex_store->bufferobj );
+
+ data += node->attrsz[0]; /* skip vertex position */
+ }
+
+ for (i = VBO_ATTRIB_POS+1 ; i < VBO_ATTRIB_MAX ; i++) {
+ if (node->attrsz[i]) {
+ GLfloat *current = (GLfloat *)vbo->currval[i].Ptr;
+ GLfloat tmp[4];
+
+ COPY_CLEAN_4V(tmp,
+ node->attrsz[i],
+ data);
+
+ if (memcmp(current, tmp, 4 * sizeof(GLfloat)) != 0) {
+ memcpy(current, tmp, 4 * sizeof(GLfloat));
+
+ vbo->currval[i].Size = node->attrsz[i];
+
+ if (i >= VBO_ATTRIB_FIRST_MATERIAL &&
+ i <= VBO_ATTRIB_LAST_MATERIAL)
+ ctx->NewState |= _NEW_LIGHT;
+
+ ctx->NewState |= _NEW_CURRENT_ATTRIB;
+ }
+
+ data += node->attrsz[i];
+ }
+ }
+
+ /* Colormaterial -- this kindof sucks.
+ */
+ if (ctx->Light.ColorMaterialEnabled) {
+ _mesa_update_color_material(ctx, ctx->Current.Attrib[VBO_ATTRIB_COLOR0]);
+ }
+
+ /* CurrentExecPrimitive
+ */
+ if (node->prim_count) {
+ const struct _mesa_prim *prim = &node->prim[node->prim_count - 1];
+ if (prim->end)
+ ctx->Driver.CurrentExecPrimitive = PRIM_OUTSIDE_BEGIN_END;
+ else
+ ctx->Driver.CurrentExecPrimitive = prim->mode;
+ }
+}
+
+
+
+/**
+ * Treat the vertex storage as a VBO, define vertex arrays pointing
+ * into it:
+ */
+static void vbo_bind_vertex_list(struct gl_context *ctx,
+ const struct vbo_save_vertex_list *node)
+{
+ struct vbo_context *vbo = vbo_context(ctx);
+ struct vbo_save_context *save = &vbo->save;
+ struct gl_client_array *arrays = save->arrays;
+ GLuint buffer_offset = node->buffer_offset;
+ const GLuint *map;
+ GLuint attr;
+ GLubyte node_attrsz[VBO_ATTRIB_MAX]; /* copy of node->attrsz[] */
+ GLbitfield varying_inputs = 0x0;
+
+ memcpy(node_attrsz, node->attrsz, sizeof(node->attrsz));
+
+ /* Install the default (ie Current) attributes first, then overlay
+ * all active ones.
+ */
+ switch (get_program_mode(ctx)) {
+ case VP_NONE:
+ for (attr = 0; attr < 16; attr++) {
+ save->inputs[attr] = &vbo->legacy_currval[attr];
+ }
+ for (attr = 0; attr < MAT_ATTRIB_MAX; attr++) {
+ save->inputs[attr + 16] = &vbo->mat_currval[attr];
+ }
+ map = vbo->map_vp_none;
+ break;
+ case VP_NV:
+ case VP_ARB:
+ /* The aliasing of attributes for NV vertex programs has already
+ * occurred. NV vertex programs cannot access material values,
+ * nor attributes greater than VERT_ATTRIB_TEX7.
+ */
+ for (attr = 0; attr < 16; attr++) {
+ save->inputs[attr] = &vbo->legacy_currval[attr];
+ save->inputs[attr + 16] = &vbo->generic_currval[attr];
+ }
+ map = vbo->map_vp_arb;
+
+ /* check if VERT_ATTRIB_POS is not read but VERT_BIT_GENERIC0 is read.
+ * In that case we effectively need to route the data from
+ * glVertexAttrib(0, val) calls to feed into the GENERIC0 input.
+ */
+ if ((ctx->VertexProgram._Current->Base.InputsRead & VERT_BIT_POS) == 0 &&
+ (ctx->VertexProgram._Current->Base.InputsRead & VERT_BIT_GENERIC0)) {
+ save->inputs[16] = save->inputs[0];
+ node_attrsz[16] = node_attrsz[0];
+ node_attrsz[0] = 0;
+ }
+ break;
+ default:
+ assert(0);
+ }
+
+ for (attr = 0; attr < VERT_ATTRIB_MAX; attr++) {
+ const GLuint src = map[attr];
+
+ if (node_attrsz[src]) {
+ /* override the default array set above */
+ save->inputs[attr] = &arrays[attr];
+
+ arrays[attr].Ptr = (const GLubyte *) NULL + buffer_offset;
+ arrays[attr].Size = node->attrsz[src];
+ arrays[attr].StrideB = node->vertex_size * sizeof(GLfloat);
+ arrays[attr].Stride = node->vertex_size * sizeof(GLfloat);
+ arrays[attr].Type = GL_FLOAT;
+ arrays[attr].Format = GL_RGBA;
+ arrays[attr].Enabled = 1;
+ _mesa_reference_buffer_object(ctx,
+ &arrays[attr].BufferObj,
+ node->vertex_store->bufferobj);
+ arrays[attr]._MaxElement = node->count; /* ??? */
+
+ assert(arrays[attr].BufferObj->Name);
+
+ buffer_offset += node->attrsz[src] * sizeof(GLfloat);
+ varying_inputs |= 1<<attr;
+ ctx->NewState |= _NEW_ARRAY;
+ }
+ }
+
+ _mesa_set_varying_vp_inputs( ctx, varying_inputs );
+}
+
+
+static void
+vbo_save_loopback_vertex_list(struct gl_context *ctx,
+ const struct vbo_save_vertex_list *list)
+{
+ const char *buffer = ctx->Driver.MapBuffer(ctx,
+ GL_ARRAY_BUFFER_ARB,
+ GL_READ_ONLY, /* ? */
+ list->vertex_store->bufferobj);
+
+ vbo_loopback_vertex_list(ctx,
+ (const GLfloat *)(buffer + list->buffer_offset),
+ list->attrsz,
+ list->prim,
+ list->prim_count,
+ list->wrap_count,
+ list->vertex_size);
+
+ ctx->Driver.UnmapBuffer(ctx, GL_ARRAY_BUFFER_ARB,
+ list->vertex_store->bufferobj);
+}
+
+
+/**
+ * Execute the buffer and save copied verts.
+ * This is called from the display list code when executing
+ * a drawing command.
+ */
+void
+vbo_save_playback_vertex_list(struct gl_context *ctx, void *data)
+{
+ const struct vbo_save_vertex_list *node =
+ (const struct vbo_save_vertex_list *) data;
+ struct vbo_save_context *save = &vbo_context(ctx)->save;
+
+ FLUSH_CURRENT(ctx, 0);
+
+ if (node->prim_count > 0 && node->count > 0) {
+
+ if (ctx->Driver.CurrentExecPrimitive != PRIM_OUTSIDE_BEGIN_END &&
+ node->prim[0].begin) {
+
+ /* Degenerate case: list is called inside begin/end pair and
+ * includes operations such as glBegin or glDrawArrays.
+ */
+ if (0)
+ printf("displaylist recursive begin");
+
+ vbo_save_loopback_vertex_list( ctx, node );
+ return;
+ }
+ else if (save->replay_flags) {
+ /* Various degnerate cases: translate into immediate mode
+ * calls rather than trying to execute in place.
+ */
+ vbo_save_loopback_vertex_list( ctx, node );
+ return;
+ }
+
+ if (ctx->NewState)
+ _mesa_update_state( ctx );
+
+ /* XXX also need to check if shader enabled, but invalid */
+ if ((ctx->VertexProgram.Enabled && !ctx->VertexProgram._Enabled) ||
+ (ctx->FragmentProgram.Enabled && !ctx->FragmentProgram._Enabled)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glBegin (invalid vertex/fragment program)");
+ return;
+ }
+
+ vbo_bind_vertex_list( ctx, node );
+
+ /* Again...
+ */
+ if (ctx->NewState)
+ _mesa_update_state( ctx );
+
+ vbo_context(ctx)->draw_prims(ctx,
+ save->inputs,
+ node->prim,
+ node->prim_count,
+ NULL,
+ GL_TRUE,
+ 0, /* Node is a VBO, so this is ok */
+ node->count - 1);
+ }
+
+ /* Copy to current?
+ */
+ _playback_copy_to_current( ctx, node );
+}
+
+
+#endif /* FEATURE_dlist */