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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/points.c
parent973099dda7e49e5abe29819a7124b3b1e7bd8b92 (diff)
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xserver and mesa git update 28-12-2010
Diffstat (limited to 'mesalib/src/mesa/main/points.c')
-rw-r--r--mesalib/src/mesa/main/points.c544
1 files changed, 272 insertions, 272 deletions
diff --git a/mesalib/src/mesa/main/points.c b/mesalib/src/mesa/main/points.c
index eab9d13d6..78d40f61c 100644
--- a/mesalib/src/mesa/main/points.c
+++ b/mesalib/src/mesa/main/points.c
@@ -1,272 +1,272 @@
-/**
- * \file points.c
- * Point operations.
- */
-
-/*
- * Mesa 3-D graphics library
- * Version: 7.1
- *
- * 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.
- */
-
-
-#include "glheader.h"
-#include "context.h"
-#include "macros.h"
-#include "points.h"
-#include "mtypes.h"
-
-
-/**
- * Set current point size.
- * \param size point diameter in pixels
- * \sa glPointSize().
- */
-void GLAPIENTRY
-_mesa_PointSize( GLfloat size )
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (size <= 0.0) {
- _mesa_error( ctx, GL_INVALID_VALUE, "glPointSize" );
- return;
- }
-
- if (ctx->Point.Size == size)
- return;
-
- FLUSH_VERTICES(ctx, _NEW_POINT);
- ctx->Point.Size = size;
-
- if (ctx->Driver.PointSize)
- ctx->Driver.PointSize(ctx, size);
-}
-
-
-#if _HAVE_FULL_GL
-
-
-void GLAPIENTRY
-_mesa_PointParameteri( GLenum pname, GLint param )
-{
- GLfloat p[3];
- p[0] = (GLfloat) param;
- p[1] = p[2] = 0.0F;
- _mesa_PointParameterfv(pname, p);
-}
-
-
-void GLAPIENTRY
-_mesa_PointParameteriv( GLenum pname, const GLint *params )
-{
- GLfloat p[3];
- p[0] = (GLfloat) params[0];
- if (pname == GL_DISTANCE_ATTENUATION_EXT) {
- p[1] = (GLfloat) params[1];
- p[2] = (GLfloat) params[2];
- }
- _mesa_PointParameterfv(pname, p);
-}
-
-
-void GLAPIENTRY
-_mesa_PointParameterf( GLenum pname, GLfloat param)
-{
- GLfloat p[3];
- p[0] = param;
- p[1] = p[2] = 0.0F;
- _mesa_PointParameterfv(pname, p);
-}
-
-
-void GLAPIENTRY
-_mesa_PointParameterfv( GLenum pname, const GLfloat *params)
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- switch (pname) {
- case GL_DISTANCE_ATTENUATION_EXT:
- if (ctx->Extensions.EXT_point_parameters) {
- if (TEST_EQ_3V(ctx->Point.Params, params))
- return;
- FLUSH_VERTICES(ctx, _NEW_POINT);
- COPY_3V(ctx->Point.Params, params);
- ctx->Point._Attenuated = (ctx->Point.Params[0] != 1.0 ||
- ctx->Point.Params[1] != 0.0 ||
- ctx->Point.Params[2] != 0.0);
-
- if (ctx->Point._Attenuated)
- ctx->_TriangleCaps |= DD_POINT_ATTEN;
- else
- ctx->_TriangleCaps &= ~DD_POINT_ATTEN;
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glPointParameterf[v]{EXT,ARB}(pname)");
- return;
- }
- break;
- case GL_POINT_SIZE_MIN_EXT:
- if (ctx->Extensions.EXT_point_parameters) {
- if (params[0] < 0.0F) {
- _mesa_error( ctx, GL_INVALID_VALUE,
- "glPointParameterf[v]{EXT,ARB}(param)" );
- return;
- }
- if (ctx->Point.MinSize == params[0])
- return;
- FLUSH_VERTICES(ctx, _NEW_POINT);
- ctx->Point.MinSize = params[0];
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glPointParameterf[v]{EXT,ARB}(pname)");
- return;
- }
- break;
- case GL_POINT_SIZE_MAX_EXT:
- if (ctx->Extensions.EXT_point_parameters) {
- if (params[0] < 0.0F) {
- _mesa_error( ctx, GL_INVALID_VALUE,
- "glPointParameterf[v]{EXT,ARB}(param)" );
- return;
- }
- if (ctx->Point.MaxSize == params[0])
- return;
- FLUSH_VERTICES(ctx, _NEW_POINT);
- ctx->Point.MaxSize = params[0];
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glPointParameterf[v]{EXT,ARB}(pname)");
- return;
- }
- break;
- case GL_POINT_FADE_THRESHOLD_SIZE_EXT:
- if (ctx->Extensions.EXT_point_parameters) {
- if (params[0] < 0.0F) {
- _mesa_error( ctx, GL_INVALID_VALUE,
- "glPointParameterf[v]{EXT,ARB}(param)" );
- return;
- }
- if (ctx->Point.Threshold == params[0])
- return;
- FLUSH_VERTICES(ctx, _NEW_POINT);
- ctx->Point.Threshold = params[0];
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glPointParameterf[v]{EXT,ARB}(pname)");
- return;
- }
- break;
- case GL_POINT_SPRITE_R_MODE_NV:
- /* This is one area where ARB_point_sprite and NV_point_sprite
- * differ. In ARB_point_sprite the POINT_SPRITE_R_MODE is
- * always ZERO. NV_point_sprite adds the S and R modes.
- */
- if (ctx->Extensions.NV_point_sprite) {
- GLenum value = (GLenum) params[0];
- if (value != GL_ZERO && value != GL_S && value != GL_R) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glPointParameterf[v]{EXT,ARB}(param)");
- return;
- }
- if (ctx->Point.SpriteRMode == value)
- return;
- FLUSH_VERTICES(ctx, _NEW_POINT);
- ctx->Point.SpriteRMode = value;
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glPointParameterf[v]{EXT,ARB}(pname)");
- return;
- }
- break;
- case GL_POINT_SPRITE_COORD_ORIGIN:
- /* This is not completely correct. GL_POINT_SPRITE_COORD_ORIGIN was
- * added to point sprites when the extension was merged into OpenGL
- * 2.0. It is expected that an implementation supporting OpenGL 1.4
- * and GL_ARB_point_sprite will generate an error here.
- */
- if (ctx->Extensions.ARB_point_sprite) {
- GLenum value = (GLenum) params[0];
- if (value != GL_LOWER_LEFT && value != GL_UPPER_LEFT) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glPointParameterf[v]{EXT,ARB}(param)");
- return;
- }
- if (ctx->Point.SpriteOrigin == value)
- return;
- FLUSH_VERTICES(ctx, _NEW_POINT);
- ctx->Point.SpriteOrigin = value;
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glPointParameterf[v]{EXT,ARB}(pname)");
- return;
- }
- break;
- default:
- _mesa_error( ctx, GL_INVALID_ENUM,
- "glPointParameterf[v]{EXT,ARB}(pname)" );
- return;
- }
-
- if (ctx->Driver.PointParameterfv)
- (*ctx->Driver.PointParameterfv)(ctx, pname, params);
-}
-#endif
-
-
-
-/**
- * Initialize the context point state.
- *
- * \param ctx GL context.
- *
- * Initializes __GLcontextRec::Point and point related constants in
- * __GLcontextRec::Const.
- */
-void
-_mesa_init_point(GLcontext *ctx)
-{
- GLuint i;
-
- ctx->Point.SmoothFlag = GL_FALSE;
- ctx->Point.Size = 1.0;
- ctx->Point.Params[0] = 1.0;
- ctx->Point.Params[1] = 0.0;
- ctx->Point.Params[2] = 0.0;
- ctx->Point._Attenuated = GL_FALSE;
- ctx->Point.MinSize = 0.0;
- ctx->Point.MaxSize
- = MAX2(ctx->Const.MaxPointSize, ctx->Const.MaxPointSizeAA);
- ctx->Point.Threshold = 1.0;
- ctx->Point.PointSprite = GL_FALSE; /* GL_ARB/NV_point_sprite */
- ctx->Point.SpriteRMode = GL_ZERO; /* GL_NV_point_sprite (only!) */
- ctx->Point.SpriteOrigin = GL_UPPER_LEFT; /* GL_ARB_point_sprite */
- for (i = 0; i < Elements(ctx->Point.CoordReplace); i++) {
- ctx->Point.CoordReplace[i] = GL_FALSE; /* GL_ARB/NV_point_sprite */
- }
-}
+/**
+ * \file points.c
+ * Point operations.
+ */
+
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.1
+ *
+ * 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.
+ */
+
+
+#include "glheader.h"
+#include "context.h"
+#include "macros.h"
+#include "points.h"
+#include "mtypes.h"
+
+
+/**
+ * Set current point size.
+ * \param size point diameter in pixels
+ * \sa glPointSize().
+ */
+void GLAPIENTRY
+_mesa_PointSize( GLfloat size )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (size <= 0.0) {
+ _mesa_error( ctx, GL_INVALID_VALUE, "glPointSize" );
+ return;
+ }
+
+ if (ctx->Point.Size == size)
+ return;
+
+ FLUSH_VERTICES(ctx, _NEW_POINT);
+ ctx->Point.Size = size;
+
+ if (ctx->Driver.PointSize)
+ ctx->Driver.PointSize(ctx, size);
+}
+
+
+#if _HAVE_FULL_GL
+
+
+void GLAPIENTRY
+_mesa_PointParameteri( GLenum pname, GLint param )
+{
+ GLfloat p[3];
+ p[0] = (GLfloat) param;
+ p[1] = p[2] = 0.0F;
+ _mesa_PointParameterfv(pname, p);
+}
+
+
+void GLAPIENTRY
+_mesa_PointParameteriv( GLenum pname, const GLint *params )
+{
+ GLfloat p[3];
+ p[0] = (GLfloat) params[0];
+ if (pname == GL_DISTANCE_ATTENUATION_EXT) {
+ p[1] = (GLfloat) params[1];
+ p[2] = (GLfloat) params[2];
+ }
+ _mesa_PointParameterfv(pname, p);
+}
+
+
+void GLAPIENTRY
+_mesa_PointParameterf( GLenum pname, GLfloat param)
+{
+ GLfloat p[3];
+ p[0] = param;
+ p[1] = p[2] = 0.0F;
+ _mesa_PointParameterfv(pname, p);
+}
+
+
+void GLAPIENTRY
+_mesa_PointParameterfv( GLenum pname, const GLfloat *params)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ switch (pname) {
+ case GL_DISTANCE_ATTENUATION_EXT:
+ if (ctx->Extensions.EXT_point_parameters) {
+ if (TEST_EQ_3V(ctx->Point.Params, params))
+ return;
+ FLUSH_VERTICES(ctx, _NEW_POINT);
+ COPY_3V(ctx->Point.Params, params);
+ ctx->Point._Attenuated = (ctx->Point.Params[0] != 1.0 ||
+ ctx->Point.Params[1] != 0.0 ||
+ ctx->Point.Params[2] != 0.0);
+
+ if (ctx->Point._Attenuated)
+ ctx->_TriangleCaps |= DD_POINT_ATTEN;
+ else
+ ctx->_TriangleCaps &= ~DD_POINT_ATTEN;
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glPointParameterf[v]{EXT,ARB}(pname)");
+ return;
+ }
+ break;
+ case GL_POINT_SIZE_MIN_EXT:
+ if (ctx->Extensions.EXT_point_parameters) {
+ if (params[0] < 0.0F) {
+ _mesa_error( ctx, GL_INVALID_VALUE,
+ "glPointParameterf[v]{EXT,ARB}(param)" );
+ return;
+ }
+ if (ctx->Point.MinSize == params[0])
+ return;
+ FLUSH_VERTICES(ctx, _NEW_POINT);
+ ctx->Point.MinSize = params[0];
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glPointParameterf[v]{EXT,ARB}(pname)");
+ return;
+ }
+ break;
+ case GL_POINT_SIZE_MAX_EXT:
+ if (ctx->Extensions.EXT_point_parameters) {
+ if (params[0] < 0.0F) {
+ _mesa_error( ctx, GL_INVALID_VALUE,
+ "glPointParameterf[v]{EXT,ARB}(param)" );
+ return;
+ }
+ if (ctx->Point.MaxSize == params[0])
+ return;
+ FLUSH_VERTICES(ctx, _NEW_POINT);
+ ctx->Point.MaxSize = params[0];
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glPointParameterf[v]{EXT,ARB}(pname)");
+ return;
+ }
+ break;
+ case GL_POINT_FADE_THRESHOLD_SIZE_EXT:
+ if (ctx->Extensions.EXT_point_parameters) {
+ if (params[0] < 0.0F) {
+ _mesa_error( ctx, GL_INVALID_VALUE,
+ "glPointParameterf[v]{EXT,ARB}(param)" );
+ return;
+ }
+ if (ctx->Point.Threshold == params[0])
+ return;
+ FLUSH_VERTICES(ctx, _NEW_POINT);
+ ctx->Point.Threshold = params[0];
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glPointParameterf[v]{EXT,ARB}(pname)");
+ return;
+ }
+ break;
+ case GL_POINT_SPRITE_R_MODE_NV:
+ /* This is one area where ARB_point_sprite and NV_point_sprite
+ * differ. In ARB_point_sprite the POINT_SPRITE_R_MODE is
+ * always ZERO. NV_point_sprite adds the S and R modes.
+ */
+ if (ctx->Extensions.NV_point_sprite) {
+ GLenum value = (GLenum) params[0];
+ if (value != GL_ZERO && value != GL_S && value != GL_R) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glPointParameterf[v]{EXT,ARB}(param)");
+ return;
+ }
+ if (ctx->Point.SpriteRMode == value)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_POINT);
+ ctx->Point.SpriteRMode = value;
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glPointParameterf[v]{EXT,ARB}(pname)");
+ return;
+ }
+ break;
+ case GL_POINT_SPRITE_COORD_ORIGIN:
+ /* This is not completely correct. GL_POINT_SPRITE_COORD_ORIGIN was
+ * added to point sprites when the extension was merged into OpenGL
+ * 2.0. It is expected that an implementation supporting OpenGL 1.4
+ * and GL_ARB_point_sprite will generate an error here.
+ */
+ if (ctx->Extensions.ARB_point_sprite) {
+ GLenum value = (GLenum) params[0];
+ if (value != GL_LOWER_LEFT && value != GL_UPPER_LEFT) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glPointParameterf[v]{EXT,ARB}(param)");
+ return;
+ }
+ if (ctx->Point.SpriteOrigin == value)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_POINT);
+ ctx->Point.SpriteOrigin = value;
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glPointParameterf[v]{EXT,ARB}(pname)");
+ return;
+ }
+ break;
+ default:
+ _mesa_error( ctx, GL_INVALID_ENUM,
+ "glPointParameterf[v]{EXT,ARB}(pname)" );
+ return;
+ }
+
+ if (ctx->Driver.PointParameterfv)
+ (*ctx->Driver.PointParameterfv)(ctx, pname, params);
+}
+#endif
+
+
+
+/**
+ * Initialize the context point state.
+ *
+ * \param ctx GL context.
+ *
+ * Initializes __struct gl_contextRec::Point and point related constants in
+ * __struct gl_contextRec::Const.
+ */
+void
+_mesa_init_point(struct gl_context *ctx)
+{
+ GLuint i;
+
+ ctx->Point.SmoothFlag = GL_FALSE;
+ ctx->Point.Size = 1.0;
+ ctx->Point.Params[0] = 1.0;
+ ctx->Point.Params[1] = 0.0;
+ ctx->Point.Params[2] = 0.0;
+ ctx->Point._Attenuated = GL_FALSE;
+ ctx->Point.MinSize = 0.0;
+ ctx->Point.MaxSize
+ = MAX2(ctx->Const.MaxPointSize, ctx->Const.MaxPointSizeAA);
+ ctx->Point.Threshold = 1.0;
+ ctx->Point.PointSprite = GL_FALSE; /* GL_ARB/NV_point_sprite */
+ ctx->Point.SpriteRMode = GL_ZERO; /* GL_NV_point_sprite (only!) */
+ ctx->Point.SpriteOrigin = GL_UPPER_LEFT; /* GL_ARB_point_sprite */
+ for (i = 0; i < Elements(ctx->Point.CoordReplace); i++) {
+ ctx->Point.CoordReplace[i] = GL_FALSE; /* GL_ARB/NV_point_sprite */
+ }
+}