diff options
Diffstat (limited to 'mesalib/src/mesa/main/rastpos.c')
| -rw-r--r-- | mesalib/src/mesa/main/rastpos.c | 1128 |
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;
+}
+
+/*@}*/
|