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author | marha <marha@users.sourceforge.net> | 2012-06-08 09:33:13 +0200 |
---|---|---|
committer | marha <marha@users.sourceforge.net> | 2012-06-08 09:33:13 +0200 |
commit | 990bc3f015a4f8fce2eb918375defcd44980a845 (patch) | |
tree | 8e8301f19482b52cc00bd95b4593522cc93267af /mesalib/src/mesa/main/rastpos.c | |
parent | 1af6fc1b5d93e54d6674de8b5870448b29f139a7 (diff) | |
download | vcxsrv-990bc3f015a4f8fce2eb918375defcd44980a845.tar.gz vcxsrv-990bc3f015a4f8fce2eb918375defcd44980a845.tar.bz2 vcxsrv-990bc3f015a4f8fce2eb918375defcd44980a845.zip |
Used synchronise script to update files
Diffstat (limited to 'mesalib/src/mesa/main/rastpos.c')
-rw-r--r-- | mesalib/src/mesa/main/rastpos.c | 1132 |
1 files changed, 566 insertions, 566 deletions
diff --git a/mesalib/src/mesa/main/rastpos.c b/mesalib/src/mesa/main/rastpos.c index 70f67d398..a1f6f4234 100644 --- a/mesalib/src/mesa/main/rastpos.c +++ b/mesalib/src/mesa/main/rastpos.c @@ -1,566 +1,566 @@ -/*
- * 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 "mfeatures.h"
-#include "mtypes.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;
-}
-
-/*@}*/
+/* + * 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 "mfeatures.h" +#include "mtypes.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; +} + +/*@}*/ |