aboutsummaryrefslogtreecommitdiff
path: root/mesalib/src/mesa/main/rastpos.c
diff options
context:
space:
mode:
authormarha <marha@users.sourceforge.net>2010-12-28 16:10:20 +0000
committermarha <marha@users.sourceforge.net>2010-12-28 16:10:20 +0000
commit807c6931fe683fd844ceec1b023232181e6aae03 (patch)
tree1a131ed95fe2200d0ad33da8f7755a7ed2364adc /mesalib/src/mesa/main/rastpos.c
parent973099dda7e49e5abe29819a7124b3b1e7bd8b92 (diff)
downloadvcxsrv-807c6931fe683fd844ceec1b023232181e6aae03.tar.gz
vcxsrv-807c6931fe683fd844ceec1b023232181e6aae03.tar.bz2
vcxsrv-807c6931fe683fd844ceec1b023232181e6aae03.zip
xserver and mesa git update 28-12-2010
Diffstat (limited to 'mesalib/src/mesa/main/rastpos.c')
-rw-r--r--mesalib/src/mesa/main/rastpos.c1128
1 files changed, 564 insertions, 564 deletions
diff --git a/mesalib/src/mesa/main/rastpos.c b/mesalib/src/mesa/main/rastpos.c
index 75c67f269..372b177c4 100644
--- a/mesalib/src/mesa/main/rastpos.c
+++ b/mesalib/src/mesa/main/rastpos.c
@@ -1,564 +1,564 @@
-/*
- * 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.
- */
-
-
-/**
- * \file rastpos.c
- * Raster position operations.
- */
-
-#include "glheader.h"
-#include "context.h"
-#include "feedback.h"
-#include "macros.h"
-#include "rastpos.h"
-#include "state.h"
-#include "main/dispatch.h"
-
-
-#if FEATURE_rastpos
-
-
-/**
- * Helper function for all the RasterPos functions.
- */
-static void
-rasterpos(GLfloat x, GLfloat y, GLfloat z, GLfloat w)
-{
- GET_CURRENT_CONTEXT(ctx);
- GLfloat p[4];
-
- p[0] = x;
- p[1] = y;
- p[2] = z;
- p[3] = w;
-
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
- FLUSH_CURRENT(ctx, 0);
-
- if (ctx->NewState)
- _mesa_update_state( ctx );
-
- ctx->Driver.RasterPos(ctx, p);
-}
-
-
-static void GLAPIENTRY
-_mesa_RasterPos2d(GLdouble x, GLdouble y)
-{
- rasterpos((GLfloat)x, (GLfloat)y, (GLfloat)0.0, (GLfloat)1.0);
-}
-
-static void GLAPIENTRY
-_mesa_RasterPos2f(GLfloat x, GLfloat y)
-{
- rasterpos(x, y, 0.0F, 1.0F);
-}
-
-static void GLAPIENTRY
-_mesa_RasterPos2i(GLint x, GLint y)
-{
- rasterpos((GLfloat) x, (GLfloat) y, 0.0F, 1.0F);
-}
-
-static void GLAPIENTRY
-_mesa_RasterPos2s(GLshort x, GLshort y)
-{
- rasterpos(x, y, 0.0F, 1.0F);
-}
-
-static void GLAPIENTRY
-_mesa_RasterPos3d(GLdouble x, GLdouble y, GLdouble z)
-{
- rasterpos((GLfloat) x, (GLfloat) y, (GLfloat) z, 1.0F);
-}
-
-static void GLAPIENTRY
-_mesa_RasterPos3f(GLfloat x, GLfloat y, GLfloat z)
-{
- rasterpos(x, y, z, 1.0F);
-}
-
-static void GLAPIENTRY
-_mesa_RasterPos3i(GLint x, GLint y, GLint z)
-{
- rasterpos((GLfloat) x, (GLfloat) y, (GLfloat) z, 1.0F);
-}
-
-static void GLAPIENTRY
-_mesa_RasterPos3s(GLshort x, GLshort y, GLshort z)
-{
- rasterpos(x, y, z, 1.0F);
-}
-
-static void GLAPIENTRY
-_mesa_RasterPos4d(GLdouble x, GLdouble y, GLdouble z, GLdouble w)
-{
- rasterpos((GLfloat) x, (GLfloat) y, (GLfloat) z, (GLfloat) w);
-}
-
-static void GLAPIENTRY
-_mesa_RasterPos4f(GLfloat x, GLfloat y, GLfloat z, GLfloat w)
-{
- rasterpos(x, y, z, w);
-}
-
-static void GLAPIENTRY
-_mesa_RasterPos4i(GLint x, GLint y, GLint z, GLint w)
-{
- rasterpos((GLfloat) x, (GLfloat) y, (GLfloat) z, (GLfloat) w);
-}
-
-static void GLAPIENTRY
-_mesa_RasterPos4s(GLshort x, GLshort y, GLshort z, GLshort w)
-{
- rasterpos(x, y, z, w);
-}
-
-static void GLAPIENTRY
-_mesa_RasterPos2dv(const GLdouble *v)
-{
- rasterpos((GLfloat) v[0], (GLfloat) v[1], 0.0F, 1.0F);
-}
-
-static void GLAPIENTRY
-_mesa_RasterPos2fv(const GLfloat *v)
-{
- rasterpos(v[0], v[1], 0.0F, 1.0F);
-}
-
-static void GLAPIENTRY
-_mesa_RasterPos2iv(const GLint *v)
-{
- rasterpos((GLfloat) v[0], (GLfloat) v[1], 0.0F, 1.0F);
-}
-
-static void GLAPIENTRY
-_mesa_RasterPos2sv(const GLshort *v)
-{
- rasterpos(v[0], v[1], 0.0F, 1.0F);
-}
-
-static void GLAPIENTRY
-_mesa_RasterPos3dv(const GLdouble *v)
-{
- rasterpos((GLfloat) v[0], (GLfloat) v[1], (GLfloat) v[2], 1.0F);
-}
-
-static void GLAPIENTRY
-_mesa_RasterPos3fv(const GLfloat *v)
-{
- rasterpos(v[0], v[1], v[2], 1.0F);
-}
-
-static void GLAPIENTRY
-_mesa_RasterPos3iv(const GLint *v)
-{
- rasterpos((GLfloat) v[0], (GLfloat) v[1], (GLfloat) v[2], 1.0F);
-}
-
-static void GLAPIENTRY
-_mesa_RasterPos3sv(const GLshort *v)
-{
- rasterpos(v[0], v[1], v[2], 1.0F);
-}
-
-static void GLAPIENTRY
-_mesa_RasterPos4dv(const GLdouble *v)
-{
- rasterpos((GLfloat) v[0], (GLfloat) v[1],
- (GLfloat) v[2], (GLfloat) v[3]);
-}
-
-static void GLAPIENTRY
-_mesa_RasterPos4fv(const GLfloat *v)
-{
- rasterpos(v[0], v[1], v[2], v[3]);
-}
-
-static void GLAPIENTRY
-_mesa_RasterPos4iv(const GLint *v)
-{
- rasterpos((GLfloat) v[0], (GLfloat) v[1],
- (GLfloat) v[2], (GLfloat) v[3]);
-}
-
-static void GLAPIENTRY
-_mesa_RasterPos4sv(const GLshort *v)
-{
- rasterpos(v[0], v[1], v[2], v[3]);
-}
-
-
-/**********************************************************************/
-/*** GL_ARB_window_pos / GL_MESA_window_pos ***/
-/**********************************************************************/
-
-
-/**
- * All glWindowPosMESA and glWindowPosARB commands call this function to
- * update the current raster position.
- */
-static void
-window_pos3f(GLfloat x, GLfloat y, GLfloat z)
-{
- GET_CURRENT_CONTEXT(ctx);
- GLfloat z2;
-
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
- FLUSH_CURRENT(ctx, 0);
-
- z2 = CLAMP(z, 0.0F, 1.0F) * (ctx->Viewport.Far - ctx->Viewport.Near)
- + ctx->Viewport.Near;
-
- /* set raster position */
- ctx->Current.RasterPos[0] = x;
- ctx->Current.RasterPos[1] = y;
- ctx->Current.RasterPos[2] = z2;
- ctx->Current.RasterPos[3] = 1.0F;
-
- ctx->Current.RasterPosValid = GL_TRUE;
-
- if (ctx->Fog.FogCoordinateSource == GL_FOG_COORDINATE_EXT)
- ctx->Current.RasterDistance = ctx->Current.Attrib[VERT_ATTRIB_FOG][0];
- else
- ctx->Current.RasterDistance = 0.0;
-
- /* raster color = current color or index */
- ctx->Current.RasterColor[0]
- = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR0][0], 0.0F, 1.0F);
- ctx->Current.RasterColor[1]
- = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR0][1], 0.0F, 1.0F);
- ctx->Current.RasterColor[2]
- = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR0][2], 0.0F, 1.0F);
- ctx->Current.RasterColor[3]
- = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR0][3], 0.0F, 1.0F);
- ctx->Current.RasterSecondaryColor[0]
- = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR1][0], 0.0F, 1.0F);
- ctx->Current.RasterSecondaryColor[1]
- = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR1][1], 0.0F, 1.0F);
- ctx->Current.RasterSecondaryColor[2]
- = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR1][2], 0.0F, 1.0F);
- ctx->Current.RasterSecondaryColor[3]
- = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR1][3], 0.0F, 1.0F);
-
- /* raster texcoord = current texcoord */
- {
- GLuint texSet;
- for (texSet = 0; texSet < ctx->Const.MaxTextureCoordUnits; texSet++) {
- assert(texSet < Elements(ctx->Current.RasterTexCoords));
- COPY_4FV( ctx->Current.RasterTexCoords[texSet],
- ctx->Current.Attrib[VERT_ATTRIB_TEX0 + texSet] );
- }
- }
-
- if (ctx->RenderMode==GL_SELECT) {
- _mesa_update_hitflag( ctx, ctx->Current.RasterPos[2] );
- }
-}
-
-
-/* This is just to support the GL_MESA_window_pos version */
-static void
-window_pos4f(GLfloat x, GLfloat y, GLfloat z, GLfloat w)
-{
- GET_CURRENT_CONTEXT(ctx);
- window_pos3f(x, y, z);
- ctx->Current.RasterPos[3] = w;
-}
-
-
-static void GLAPIENTRY
-_mesa_WindowPos2dMESA(GLdouble x, GLdouble y)
-{
- window_pos4f((GLfloat) x, (GLfloat) y, 0.0F, 1.0F);
-}
-
-static void GLAPIENTRY
-_mesa_WindowPos2fMESA(GLfloat x, GLfloat y)
-{
- window_pos4f(x, y, 0.0F, 1.0F);
-}
-
-static void GLAPIENTRY
-_mesa_WindowPos2iMESA(GLint x, GLint y)
-{
- window_pos4f((GLfloat) x, (GLfloat) y, 0.0F, 1.0F);
-}
-
-static void GLAPIENTRY
-_mesa_WindowPos2sMESA(GLshort x, GLshort y)
-{
- window_pos4f(x, y, 0.0F, 1.0F);
-}
-
-static void GLAPIENTRY
-_mesa_WindowPos3dMESA(GLdouble x, GLdouble y, GLdouble z)
-{
- window_pos4f((GLfloat) x, (GLfloat) y, (GLfloat) z, 1.0F);
-}
-
-static void GLAPIENTRY
-_mesa_WindowPos3fMESA(GLfloat x, GLfloat y, GLfloat z)
-{
- window_pos4f(x, y, z, 1.0F);
-}
-
-static void GLAPIENTRY
-_mesa_WindowPos3iMESA(GLint x, GLint y, GLint z)
-{
- window_pos4f((GLfloat) x, (GLfloat) y, (GLfloat) z, 1.0F);
-}
-
-static void GLAPIENTRY
-_mesa_WindowPos3sMESA(GLshort x, GLshort y, GLshort z)
-{
- window_pos4f(x, y, z, 1.0F);
-}
-
-static void GLAPIENTRY
-_mesa_WindowPos4dMESA(GLdouble x, GLdouble y, GLdouble z, GLdouble w)
-{
- window_pos4f((GLfloat) x, (GLfloat) y, (GLfloat) z, (GLfloat) w);
-}
-
-static void GLAPIENTRY
-_mesa_WindowPos4fMESA(GLfloat x, GLfloat y, GLfloat z, GLfloat w)
-{
- window_pos4f(x, y, z, w);
-}
-
-static void GLAPIENTRY
-_mesa_WindowPos4iMESA(GLint x, GLint y, GLint z, GLint w)
-{
- window_pos4f((GLfloat) x, (GLfloat) y, (GLfloat) z, (GLfloat) w);
-}
-
-static void GLAPIENTRY
-_mesa_WindowPos4sMESA(GLshort x, GLshort y, GLshort z, GLshort w)
-{
- window_pos4f(x, y, z, w);
-}
-
-static void GLAPIENTRY
-_mesa_WindowPos2dvMESA(const GLdouble *v)
-{
- window_pos4f((GLfloat) v[0], (GLfloat) v[1], 0.0F, 1.0F);
-}
-
-static void GLAPIENTRY
-_mesa_WindowPos2fvMESA(const GLfloat *v)
-{
- window_pos4f(v[0], v[1], 0.0F, 1.0F);
-}
-
-static void GLAPIENTRY
-_mesa_WindowPos2ivMESA(const GLint *v)
-{
- window_pos4f((GLfloat) v[0], (GLfloat) v[1], 0.0F, 1.0F);
-}
-
-static void GLAPIENTRY
-_mesa_WindowPos2svMESA(const GLshort *v)
-{
- window_pos4f(v[0], v[1], 0.0F, 1.0F);
-}
-
-static void GLAPIENTRY
-_mesa_WindowPos3dvMESA(const GLdouble *v)
-{
- window_pos4f((GLfloat) v[0], (GLfloat) v[1], (GLfloat) v[2], 1.0F);
-}
-
-static void GLAPIENTRY
-_mesa_WindowPos3fvMESA(const GLfloat *v)
-{
- window_pos4f(v[0], v[1], v[2], 1.0);
-}
-
-static void GLAPIENTRY
-_mesa_WindowPos3ivMESA(const GLint *v)
-{
- window_pos4f((GLfloat) v[0], (GLfloat) v[1], (GLfloat) v[2], 1.0F);
-}
-
-static void GLAPIENTRY
-_mesa_WindowPos3svMESA(const GLshort *v)
-{
- window_pos4f(v[0], v[1], v[2], 1.0F);
-}
-
-static void GLAPIENTRY
-_mesa_WindowPos4dvMESA(const GLdouble *v)
-{
- window_pos4f((GLfloat) v[0], (GLfloat) v[1],
- (GLfloat) v[2], (GLfloat) v[3]);
-}
-
-static void GLAPIENTRY
-_mesa_WindowPos4fvMESA(const GLfloat *v)
-{
- window_pos4f(v[0], v[1], v[2], v[3]);
-}
-
-static void GLAPIENTRY
-_mesa_WindowPos4ivMESA(const GLint *v)
-{
- window_pos4f((GLfloat) v[0], (GLfloat) v[1],
- (GLfloat) v[2], (GLfloat) v[3]);
-}
-
-static void GLAPIENTRY
-_mesa_WindowPos4svMESA(const GLshort *v)
-{
- window_pos4f(v[0], v[1], v[2], v[3]);
-}
-
-
-#if 0
-
-/*
- * OpenGL implementation of glWindowPos*MESA()
- */
-void glWindowPos4fMESA( GLfloat x, GLfloat y, GLfloat z, GLfloat w )
-{
- GLfloat fx, fy;
-
- /* Push current matrix mode and viewport attributes */
- glPushAttrib( GL_TRANSFORM_BIT | GL_VIEWPORT_BIT );
-
- /* Setup projection parameters */
- glMatrixMode( GL_PROJECTION );
- glPushMatrix();
- glLoadIdentity();
- glMatrixMode( GL_MODELVIEW );
- glPushMatrix();
- glLoadIdentity();
-
- glDepthRange( z, z );
- glViewport( (int) x - 1, (int) y - 1, 2, 2 );
-
- /* set the raster (window) position */
- fx = x - (int) x;
- fy = y - (int) y;
- glRasterPos4f( fx, fy, 0.0, w );
-
- /* restore matrices, viewport and matrix mode */
- glPopMatrix();
- glMatrixMode( GL_PROJECTION );
- glPopMatrix();
-
- glPopAttrib();
-}
-
-#endif
-
-
-void
-_mesa_init_rastpos_dispatch(struct _glapi_table *disp)
-{
- SET_RasterPos2f(disp, _mesa_RasterPos2f);
- SET_RasterPos2fv(disp, _mesa_RasterPos2fv);
- SET_RasterPos2i(disp, _mesa_RasterPos2i);
- SET_RasterPos2iv(disp, _mesa_RasterPos2iv);
- SET_RasterPos2d(disp, _mesa_RasterPos2d);
- SET_RasterPos2dv(disp, _mesa_RasterPos2dv);
- SET_RasterPos2s(disp, _mesa_RasterPos2s);
- SET_RasterPos2sv(disp, _mesa_RasterPos2sv);
- SET_RasterPos3d(disp, _mesa_RasterPos3d);
- SET_RasterPos3dv(disp, _mesa_RasterPos3dv);
- SET_RasterPos3f(disp, _mesa_RasterPos3f);
- SET_RasterPos3fv(disp, _mesa_RasterPos3fv);
- SET_RasterPos3i(disp, _mesa_RasterPos3i);
- SET_RasterPos3iv(disp, _mesa_RasterPos3iv);
- SET_RasterPos3s(disp, _mesa_RasterPos3s);
- SET_RasterPos3sv(disp, _mesa_RasterPos3sv);
- SET_RasterPos4d(disp, _mesa_RasterPos4d);
- SET_RasterPos4dv(disp, _mesa_RasterPos4dv);
- SET_RasterPos4f(disp, _mesa_RasterPos4f);
- SET_RasterPos4fv(disp, _mesa_RasterPos4fv);
- SET_RasterPos4i(disp, _mesa_RasterPos4i);
- SET_RasterPos4iv(disp, _mesa_RasterPos4iv);
- SET_RasterPos4s(disp, _mesa_RasterPos4s);
- SET_RasterPos4sv(disp, _mesa_RasterPos4sv);
-
- /* 197. GL_MESA_window_pos */
- SET_WindowPos2dMESA(disp, _mesa_WindowPos2dMESA);
- SET_WindowPos2dvMESA(disp, _mesa_WindowPos2dvMESA);
- SET_WindowPos2fMESA(disp, _mesa_WindowPos2fMESA);
- SET_WindowPos2fvMESA(disp, _mesa_WindowPos2fvMESA);
- SET_WindowPos2iMESA(disp, _mesa_WindowPos2iMESA);
- SET_WindowPos2ivMESA(disp, _mesa_WindowPos2ivMESA);
- SET_WindowPos2sMESA(disp, _mesa_WindowPos2sMESA);
- SET_WindowPos2svMESA(disp, _mesa_WindowPos2svMESA);
- SET_WindowPos3dMESA(disp, _mesa_WindowPos3dMESA);
- SET_WindowPos3dvMESA(disp, _mesa_WindowPos3dvMESA);
- SET_WindowPos3fMESA(disp, _mesa_WindowPos3fMESA);
- SET_WindowPos3fvMESA(disp, _mesa_WindowPos3fvMESA);
- SET_WindowPos3iMESA(disp, _mesa_WindowPos3iMESA);
- SET_WindowPos3ivMESA(disp, _mesa_WindowPos3ivMESA);
- SET_WindowPos3sMESA(disp, _mesa_WindowPos3sMESA);
- SET_WindowPos3svMESA(disp, _mesa_WindowPos3svMESA);
- SET_WindowPos4dMESA(disp, _mesa_WindowPos4dMESA);
- SET_WindowPos4dvMESA(disp, _mesa_WindowPos4dvMESA);
- SET_WindowPos4fMESA(disp, _mesa_WindowPos4fMESA);
- SET_WindowPos4fvMESA(disp, _mesa_WindowPos4fvMESA);
- SET_WindowPos4iMESA(disp, _mesa_WindowPos4iMESA);
- SET_WindowPos4ivMESA(disp, _mesa_WindowPos4ivMESA);
- SET_WindowPos4sMESA(disp, _mesa_WindowPos4sMESA);
- SET_WindowPos4svMESA(disp, _mesa_WindowPos4svMESA);
-}
-
-
-#endif /* FEATURE_rastpos */
-
-
-/**********************************************************************/
-/** \name Initialization */
-/**********************************************************************/
-/*@{*/
-
-/**
- * Initialize the context current raster position information.
- *
- * \param ctx GL context.
- *
- * Initialize the current raster position information in
- * __GLcontextRec::Current, and adds the extension entry points to the
- * dispatcher.
- */
-void _mesa_init_rastpos( GLcontext * ctx )
-{
- int i;
-
- ASSIGN_4V( ctx->Current.RasterPos, 0.0, 0.0, 0.0, 1.0 );
- ctx->Current.RasterDistance = 0.0;
- ASSIGN_4V( ctx->Current.RasterColor, 1.0, 1.0, 1.0, 1.0 );
- ASSIGN_4V( ctx->Current.RasterSecondaryColor, 0.0, 0.0, 0.0, 1.0 );
- for (i = 0; i < Elements(ctx->Current.RasterTexCoords); i++)
- ASSIGN_4V( ctx->Current.RasterTexCoords[i], 0.0, 0.0, 0.0, 1.0 );
- ctx->Current.RasterPosValid = GL_TRUE;
-}
-
-/*@}*/
+/*
+ * 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.
+ */
+
+
+/**
+ * \file rastpos.c
+ * Raster position operations.
+ */
+
+#include "glheader.h"
+#include "context.h"
+#include "feedback.h"
+#include "macros.h"
+#include "rastpos.h"
+#include "state.h"
+#include "main/dispatch.h"
+
+
+#if FEATURE_rastpos
+
+
+/**
+ * Helper function for all the RasterPos functions.
+ */
+static void
+rasterpos(GLfloat x, GLfloat y, GLfloat z, GLfloat w)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ GLfloat p[4];
+
+ p[0] = x;
+ p[1] = y;
+ p[2] = z;
+ p[3] = w;
+
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+ FLUSH_CURRENT(ctx, 0);
+
+ if (ctx->NewState)
+ _mesa_update_state( ctx );
+
+ ctx->Driver.RasterPos(ctx, p);
+}
+
+
+static void GLAPIENTRY
+_mesa_RasterPos2d(GLdouble x, GLdouble y)
+{
+ rasterpos((GLfloat)x, (GLfloat)y, (GLfloat)0.0, (GLfloat)1.0);
+}
+
+static void GLAPIENTRY
+_mesa_RasterPos2f(GLfloat x, GLfloat y)
+{
+ rasterpos(x, y, 0.0F, 1.0F);
+}
+
+static void GLAPIENTRY
+_mesa_RasterPos2i(GLint x, GLint y)
+{
+ rasterpos((GLfloat) x, (GLfloat) y, 0.0F, 1.0F);
+}
+
+static void GLAPIENTRY
+_mesa_RasterPos2s(GLshort x, GLshort y)
+{
+ rasterpos(x, y, 0.0F, 1.0F);
+}
+
+static void GLAPIENTRY
+_mesa_RasterPos3d(GLdouble x, GLdouble y, GLdouble z)
+{
+ rasterpos((GLfloat) x, (GLfloat) y, (GLfloat) z, 1.0F);
+}
+
+static void GLAPIENTRY
+_mesa_RasterPos3f(GLfloat x, GLfloat y, GLfloat z)
+{
+ rasterpos(x, y, z, 1.0F);
+}
+
+static void GLAPIENTRY
+_mesa_RasterPos3i(GLint x, GLint y, GLint z)
+{
+ rasterpos((GLfloat) x, (GLfloat) y, (GLfloat) z, 1.0F);
+}
+
+static void GLAPIENTRY
+_mesa_RasterPos3s(GLshort x, GLshort y, GLshort z)
+{
+ rasterpos(x, y, z, 1.0F);
+}
+
+static void GLAPIENTRY
+_mesa_RasterPos4d(GLdouble x, GLdouble y, GLdouble z, GLdouble w)
+{
+ rasterpos((GLfloat) x, (GLfloat) y, (GLfloat) z, (GLfloat) w);
+}
+
+static void GLAPIENTRY
+_mesa_RasterPos4f(GLfloat x, GLfloat y, GLfloat z, GLfloat w)
+{
+ rasterpos(x, y, z, w);
+}
+
+static void GLAPIENTRY
+_mesa_RasterPos4i(GLint x, GLint y, GLint z, GLint w)
+{
+ rasterpos((GLfloat) x, (GLfloat) y, (GLfloat) z, (GLfloat) w);
+}
+
+static void GLAPIENTRY
+_mesa_RasterPos4s(GLshort x, GLshort y, GLshort z, GLshort w)
+{
+ rasterpos(x, y, z, w);
+}
+
+static void GLAPIENTRY
+_mesa_RasterPos2dv(const GLdouble *v)
+{
+ rasterpos((GLfloat) v[0], (GLfloat) v[1], 0.0F, 1.0F);
+}
+
+static void GLAPIENTRY
+_mesa_RasterPos2fv(const GLfloat *v)
+{
+ rasterpos(v[0], v[1], 0.0F, 1.0F);
+}
+
+static void GLAPIENTRY
+_mesa_RasterPos2iv(const GLint *v)
+{
+ rasterpos((GLfloat) v[0], (GLfloat) v[1], 0.0F, 1.0F);
+}
+
+static void GLAPIENTRY
+_mesa_RasterPos2sv(const GLshort *v)
+{
+ rasterpos(v[0], v[1], 0.0F, 1.0F);
+}
+
+static void GLAPIENTRY
+_mesa_RasterPos3dv(const GLdouble *v)
+{
+ rasterpos((GLfloat) v[0], (GLfloat) v[1], (GLfloat) v[2], 1.0F);
+}
+
+static void GLAPIENTRY
+_mesa_RasterPos3fv(const GLfloat *v)
+{
+ rasterpos(v[0], v[1], v[2], 1.0F);
+}
+
+static void GLAPIENTRY
+_mesa_RasterPos3iv(const GLint *v)
+{
+ rasterpos((GLfloat) v[0], (GLfloat) v[1], (GLfloat) v[2], 1.0F);
+}
+
+static void GLAPIENTRY
+_mesa_RasterPos3sv(const GLshort *v)
+{
+ rasterpos(v[0], v[1], v[2], 1.0F);
+}
+
+static void GLAPIENTRY
+_mesa_RasterPos4dv(const GLdouble *v)
+{
+ rasterpos((GLfloat) v[0], (GLfloat) v[1],
+ (GLfloat) v[2], (GLfloat) v[3]);
+}
+
+static void GLAPIENTRY
+_mesa_RasterPos4fv(const GLfloat *v)
+{
+ rasterpos(v[0], v[1], v[2], v[3]);
+}
+
+static void GLAPIENTRY
+_mesa_RasterPos4iv(const GLint *v)
+{
+ rasterpos((GLfloat) v[0], (GLfloat) v[1],
+ (GLfloat) v[2], (GLfloat) v[3]);
+}
+
+static void GLAPIENTRY
+_mesa_RasterPos4sv(const GLshort *v)
+{
+ rasterpos(v[0], v[1], v[2], v[3]);
+}
+
+
+/**********************************************************************/
+/*** GL_ARB_window_pos / GL_MESA_window_pos ***/
+/**********************************************************************/
+
+
+/**
+ * All glWindowPosMESA and glWindowPosARB commands call this function to
+ * update the current raster position.
+ */
+static void
+window_pos3f(GLfloat x, GLfloat y, GLfloat z)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ GLfloat z2;
+
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+ FLUSH_CURRENT(ctx, 0);
+
+ z2 = CLAMP(z, 0.0F, 1.0F) * (ctx->Viewport.Far - ctx->Viewport.Near)
+ + ctx->Viewport.Near;
+
+ /* set raster position */
+ ctx->Current.RasterPos[0] = x;
+ ctx->Current.RasterPos[1] = y;
+ ctx->Current.RasterPos[2] = z2;
+ ctx->Current.RasterPos[3] = 1.0F;
+
+ ctx->Current.RasterPosValid = GL_TRUE;
+
+ if (ctx->Fog.FogCoordinateSource == GL_FOG_COORDINATE_EXT)
+ ctx->Current.RasterDistance = ctx->Current.Attrib[VERT_ATTRIB_FOG][0];
+ else
+ ctx->Current.RasterDistance = 0.0;
+
+ /* raster color = current color or index */
+ ctx->Current.RasterColor[0]
+ = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR0][0], 0.0F, 1.0F);
+ ctx->Current.RasterColor[1]
+ = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR0][1], 0.0F, 1.0F);
+ ctx->Current.RasterColor[2]
+ = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR0][2], 0.0F, 1.0F);
+ ctx->Current.RasterColor[3]
+ = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR0][3], 0.0F, 1.0F);
+ ctx->Current.RasterSecondaryColor[0]
+ = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR1][0], 0.0F, 1.0F);
+ ctx->Current.RasterSecondaryColor[1]
+ = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR1][1], 0.0F, 1.0F);
+ ctx->Current.RasterSecondaryColor[2]
+ = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR1][2], 0.0F, 1.0F);
+ ctx->Current.RasterSecondaryColor[3]
+ = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR1][3], 0.0F, 1.0F);
+
+ /* raster texcoord = current texcoord */
+ {
+ GLuint texSet;
+ for (texSet = 0; texSet < ctx->Const.MaxTextureCoordUnits; texSet++) {
+ assert(texSet < Elements(ctx->Current.RasterTexCoords));
+ COPY_4FV( ctx->Current.RasterTexCoords[texSet],
+ ctx->Current.Attrib[VERT_ATTRIB_TEX0 + texSet] );
+ }
+ }
+
+ if (ctx->RenderMode==GL_SELECT) {
+ _mesa_update_hitflag( ctx, ctx->Current.RasterPos[2] );
+ }
+}
+
+
+/* This is just to support the GL_MESA_window_pos version */
+static void
+window_pos4f(GLfloat x, GLfloat y, GLfloat z, GLfloat w)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ window_pos3f(x, y, z);
+ ctx->Current.RasterPos[3] = w;
+}
+
+
+static void GLAPIENTRY
+_mesa_WindowPos2dMESA(GLdouble x, GLdouble y)
+{
+ window_pos4f((GLfloat) x, (GLfloat) y, 0.0F, 1.0F);
+}
+
+static void GLAPIENTRY
+_mesa_WindowPos2fMESA(GLfloat x, GLfloat y)
+{
+ window_pos4f(x, y, 0.0F, 1.0F);
+}
+
+static void GLAPIENTRY
+_mesa_WindowPos2iMESA(GLint x, GLint y)
+{
+ window_pos4f((GLfloat) x, (GLfloat) y, 0.0F, 1.0F);
+}
+
+static void GLAPIENTRY
+_mesa_WindowPos2sMESA(GLshort x, GLshort y)
+{
+ window_pos4f(x, y, 0.0F, 1.0F);
+}
+
+static void GLAPIENTRY
+_mesa_WindowPos3dMESA(GLdouble x, GLdouble y, GLdouble z)
+{
+ window_pos4f((GLfloat) x, (GLfloat) y, (GLfloat) z, 1.0F);
+}
+
+static void GLAPIENTRY
+_mesa_WindowPos3fMESA(GLfloat x, GLfloat y, GLfloat z)
+{
+ window_pos4f(x, y, z, 1.0F);
+}
+
+static void GLAPIENTRY
+_mesa_WindowPos3iMESA(GLint x, GLint y, GLint z)
+{
+ window_pos4f((GLfloat) x, (GLfloat) y, (GLfloat) z, 1.0F);
+}
+
+static void GLAPIENTRY
+_mesa_WindowPos3sMESA(GLshort x, GLshort y, GLshort z)
+{
+ window_pos4f(x, y, z, 1.0F);
+}
+
+static void GLAPIENTRY
+_mesa_WindowPos4dMESA(GLdouble x, GLdouble y, GLdouble z, GLdouble w)
+{
+ window_pos4f((GLfloat) x, (GLfloat) y, (GLfloat) z, (GLfloat) w);
+}
+
+static void GLAPIENTRY
+_mesa_WindowPos4fMESA(GLfloat x, GLfloat y, GLfloat z, GLfloat w)
+{
+ window_pos4f(x, y, z, w);
+}
+
+static void GLAPIENTRY
+_mesa_WindowPos4iMESA(GLint x, GLint y, GLint z, GLint w)
+{
+ window_pos4f((GLfloat) x, (GLfloat) y, (GLfloat) z, (GLfloat) w);
+}
+
+static void GLAPIENTRY
+_mesa_WindowPos4sMESA(GLshort x, GLshort y, GLshort z, GLshort w)
+{
+ window_pos4f(x, y, z, w);
+}
+
+static void GLAPIENTRY
+_mesa_WindowPos2dvMESA(const GLdouble *v)
+{
+ window_pos4f((GLfloat) v[0], (GLfloat) v[1], 0.0F, 1.0F);
+}
+
+static void GLAPIENTRY
+_mesa_WindowPos2fvMESA(const GLfloat *v)
+{
+ window_pos4f(v[0], v[1], 0.0F, 1.0F);
+}
+
+static void GLAPIENTRY
+_mesa_WindowPos2ivMESA(const GLint *v)
+{
+ window_pos4f((GLfloat) v[0], (GLfloat) v[1], 0.0F, 1.0F);
+}
+
+static void GLAPIENTRY
+_mesa_WindowPos2svMESA(const GLshort *v)
+{
+ window_pos4f(v[0], v[1], 0.0F, 1.0F);
+}
+
+static void GLAPIENTRY
+_mesa_WindowPos3dvMESA(const GLdouble *v)
+{
+ window_pos4f((GLfloat) v[0], (GLfloat) v[1], (GLfloat) v[2], 1.0F);
+}
+
+static void GLAPIENTRY
+_mesa_WindowPos3fvMESA(const GLfloat *v)
+{
+ window_pos4f(v[0], v[1], v[2], 1.0);
+}
+
+static void GLAPIENTRY
+_mesa_WindowPos3ivMESA(const GLint *v)
+{
+ window_pos4f((GLfloat) v[0], (GLfloat) v[1], (GLfloat) v[2], 1.0F);
+}
+
+static void GLAPIENTRY
+_mesa_WindowPos3svMESA(const GLshort *v)
+{
+ window_pos4f(v[0], v[1], v[2], 1.0F);
+}
+
+static void GLAPIENTRY
+_mesa_WindowPos4dvMESA(const GLdouble *v)
+{
+ window_pos4f((GLfloat) v[0], (GLfloat) v[1],
+ (GLfloat) v[2], (GLfloat) v[3]);
+}
+
+static void GLAPIENTRY
+_mesa_WindowPos4fvMESA(const GLfloat *v)
+{
+ window_pos4f(v[0], v[1], v[2], v[3]);
+}
+
+static void GLAPIENTRY
+_mesa_WindowPos4ivMESA(const GLint *v)
+{
+ window_pos4f((GLfloat) v[0], (GLfloat) v[1],
+ (GLfloat) v[2], (GLfloat) v[3]);
+}
+
+static void GLAPIENTRY
+_mesa_WindowPos4svMESA(const GLshort *v)
+{
+ window_pos4f(v[0], v[1], v[2], v[3]);
+}
+
+
+#if 0
+
+/*
+ * OpenGL implementation of glWindowPos*MESA()
+ */
+void glWindowPos4fMESA( GLfloat x, GLfloat y, GLfloat z, GLfloat w )
+{
+ GLfloat fx, fy;
+
+ /* Push current matrix mode and viewport attributes */
+ glPushAttrib( GL_TRANSFORM_BIT | GL_VIEWPORT_BIT );
+
+ /* Setup projection parameters */
+ glMatrixMode( GL_PROJECTION );
+ glPushMatrix();
+ glLoadIdentity();
+ glMatrixMode( GL_MODELVIEW );
+ glPushMatrix();
+ glLoadIdentity();
+
+ glDepthRange( z, z );
+ glViewport( (int) x - 1, (int) y - 1, 2, 2 );
+
+ /* set the raster (window) position */
+ fx = x - (int) x;
+ fy = y - (int) y;
+ glRasterPos4f( fx, fy, 0.0, w );
+
+ /* restore matrices, viewport and matrix mode */
+ glPopMatrix();
+ glMatrixMode( GL_PROJECTION );
+ glPopMatrix();
+
+ glPopAttrib();
+}
+
+#endif
+
+
+void
+_mesa_init_rastpos_dispatch(struct _glapi_table *disp)
+{
+ SET_RasterPos2f(disp, _mesa_RasterPos2f);
+ SET_RasterPos2fv(disp, _mesa_RasterPos2fv);
+ SET_RasterPos2i(disp, _mesa_RasterPos2i);
+ SET_RasterPos2iv(disp, _mesa_RasterPos2iv);
+ SET_RasterPos2d(disp, _mesa_RasterPos2d);
+ SET_RasterPos2dv(disp, _mesa_RasterPos2dv);
+ SET_RasterPos2s(disp, _mesa_RasterPos2s);
+ SET_RasterPos2sv(disp, _mesa_RasterPos2sv);
+ SET_RasterPos3d(disp, _mesa_RasterPos3d);
+ SET_RasterPos3dv(disp, _mesa_RasterPos3dv);
+ SET_RasterPos3f(disp, _mesa_RasterPos3f);
+ SET_RasterPos3fv(disp, _mesa_RasterPos3fv);
+ SET_RasterPos3i(disp, _mesa_RasterPos3i);
+ SET_RasterPos3iv(disp, _mesa_RasterPos3iv);
+ SET_RasterPos3s(disp, _mesa_RasterPos3s);
+ SET_RasterPos3sv(disp, _mesa_RasterPos3sv);
+ SET_RasterPos4d(disp, _mesa_RasterPos4d);
+ SET_RasterPos4dv(disp, _mesa_RasterPos4dv);
+ SET_RasterPos4f(disp, _mesa_RasterPos4f);
+ SET_RasterPos4fv(disp, _mesa_RasterPos4fv);
+ SET_RasterPos4i(disp, _mesa_RasterPos4i);
+ SET_RasterPos4iv(disp, _mesa_RasterPos4iv);
+ SET_RasterPos4s(disp, _mesa_RasterPos4s);
+ SET_RasterPos4sv(disp, _mesa_RasterPos4sv);
+
+ /* 197. GL_MESA_window_pos */
+ SET_WindowPos2dMESA(disp, _mesa_WindowPos2dMESA);
+ SET_WindowPos2dvMESA(disp, _mesa_WindowPos2dvMESA);
+ SET_WindowPos2fMESA(disp, _mesa_WindowPos2fMESA);
+ SET_WindowPos2fvMESA(disp, _mesa_WindowPos2fvMESA);
+ SET_WindowPos2iMESA(disp, _mesa_WindowPos2iMESA);
+ SET_WindowPos2ivMESA(disp, _mesa_WindowPos2ivMESA);
+ SET_WindowPos2sMESA(disp, _mesa_WindowPos2sMESA);
+ SET_WindowPos2svMESA(disp, _mesa_WindowPos2svMESA);
+ SET_WindowPos3dMESA(disp, _mesa_WindowPos3dMESA);
+ SET_WindowPos3dvMESA(disp, _mesa_WindowPos3dvMESA);
+ SET_WindowPos3fMESA(disp, _mesa_WindowPos3fMESA);
+ SET_WindowPos3fvMESA(disp, _mesa_WindowPos3fvMESA);
+ SET_WindowPos3iMESA(disp, _mesa_WindowPos3iMESA);
+ SET_WindowPos3ivMESA(disp, _mesa_WindowPos3ivMESA);
+ SET_WindowPos3sMESA(disp, _mesa_WindowPos3sMESA);
+ SET_WindowPos3svMESA(disp, _mesa_WindowPos3svMESA);
+ SET_WindowPos4dMESA(disp, _mesa_WindowPos4dMESA);
+ SET_WindowPos4dvMESA(disp, _mesa_WindowPos4dvMESA);
+ SET_WindowPos4fMESA(disp, _mesa_WindowPos4fMESA);
+ SET_WindowPos4fvMESA(disp, _mesa_WindowPos4fvMESA);
+ SET_WindowPos4iMESA(disp, _mesa_WindowPos4iMESA);
+ SET_WindowPos4ivMESA(disp, _mesa_WindowPos4ivMESA);
+ SET_WindowPos4sMESA(disp, _mesa_WindowPos4sMESA);
+ SET_WindowPos4svMESA(disp, _mesa_WindowPos4svMESA);
+}
+
+
+#endif /* FEATURE_rastpos */
+
+
+/**********************************************************************/
+/** \name Initialization */
+/**********************************************************************/
+/*@{*/
+
+/**
+ * Initialize the context current raster position information.
+ *
+ * \param ctx GL context.
+ *
+ * Initialize the current raster position information in
+ * __struct gl_contextRec::Current, and adds the extension entry points to the
+ * dispatcher.
+ */
+void _mesa_init_rastpos( struct gl_context * ctx )
+{
+ int i;
+
+ ASSIGN_4V( ctx->Current.RasterPos, 0.0, 0.0, 0.0, 1.0 );
+ ctx->Current.RasterDistance = 0.0;
+ ASSIGN_4V( ctx->Current.RasterColor, 1.0, 1.0, 1.0, 1.0 );
+ ASSIGN_4V( ctx->Current.RasterSecondaryColor, 0.0, 0.0, 0.0, 1.0 );
+ for (i = 0; i < Elements(ctx->Current.RasterTexCoords); i++)
+ ASSIGN_4V( ctx->Current.RasterTexCoords[i], 0.0, 0.0, 0.0, 1.0 );
+ ctx->Current.RasterPosValid = GL_TRUE;
+}
+
+/*@}*/