/*
* Mesa 3-D graphics library
- * Version: 6.5.3
+ * Version: 7.1
*
- * Copyright (C) 1999-2007 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
+
+/**
+ * \file pixel.c
+ * Pixel transfer functions (glPixelZoom, glPixelMap, glPixelTransfer)
+ */
+
#include "glheader.h"
#include "bufferobj.h"
#include "colormac.h"
#include "context.h"
-#include "image.h"
#include "macros.h"
+#include "mfeatures.h"
#include "pixel.h"
+#include "pbo.h"
#include "mtypes.h"
+#include "main/dispatch.h"
+
+
+#if FEATURE_pixel_transfer
/**********************************************************************/
/***** glPixelZoom *****/
/**********************************************************************/
-void GLAPIENTRY
+static void GLAPIENTRY
_mesa_PixelZoom( GLfloat xfactor, GLfloat yfactor )
{
GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
if (ctx->Pixel.ZoomX == xfactor &&
ctx->Pixel.ZoomY == yfactor)
return;
* Return pointer to a pixelmap by name.
*/
static struct gl_pixelmap *
-get_pixelmap(GLcontext *ctx, GLenum map)
+get_pixelmap(struct gl_context *ctx, GLenum map)
{
switch (map) {
case GL_PIXEL_MAP_I_TO_I:
* Helper routine used by the other _mesa_PixelMap() functions.
*/
static void
-store_pixelmap(GLcontext *ctx, GLenum map, GLsizei mapsize,
+store_pixelmap(struct gl_context *ctx, GLenum map, GLsizei mapsize,
const GLfloat *values)
{
GLint i;
}
-void GLAPIENTRY
+/**
+ * Convenience wrapper for _mesa_validate_pbo_access() for gl[Get]PixelMap().
+ */
+static GLboolean
+validate_pbo_access(struct gl_context *ctx,
+ struct gl_pixelstore_attrib *pack, GLsizei mapsize,
+ GLenum format, GLenum type, GLsizei clientMemSize,
+ const GLvoid *ptr)
+{
+ GLboolean ok;
+
+ /* Note, need to use DefaultPacking and Unpack's buffer object */
+ _mesa_reference_buffer_object(ctx,
+ &ctx->DefaultPacking.BufferObj,
+ pack->BufferObj);
+
+ ok = _mesa_validate_pbo_access(1, &ctx->DefaultPacking, mapsize, 1, 1,
+ format, type, clientMemSize, ptr);
+
+ /* restore */
+ _mesa_reference_buffer_object(ctx,
+ &ctx->DefaultPacking.BufferObj,
+ ctx->Shared->NullBufferObj);
+
+ if (!ok) {
+ if (_mesa_is_bufferobj(pack->BufferObj)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "gl[Get]PixelMap*v(out of bounds PBO access)");
+ } else {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glGetnPixelMap*vARB(out of bounds access:"
+ " bufSize (%d) is too small)", clientMemSize);
+ }
+ }
+ return ok;
+}
+
+
+static void GLAPIENTRY
_mesa_PixelMapfv( GLenum map, GLsizei mapsize, const GLfloat *values )
{
GET_CURRENT_CONTEXT(ctx);
if (map >= GL_PIXEL_MAP_S_TO_S && map <= GL_PIXEL_MAP_I_TO_A) {
/* test that mapsize is a power of two */
- if (_mesa_bitcount((GLuint) mapsize) != 1) {
+ if (!_mesa_is_pow_two(mapsize)) {
_mesa_error( ctx, GL_INVALID_VALUE, "glPixelMapfv(mapsize)" );
return;
}
FLUSH_VERTICES(ctx, _NEW_PIXEL);
- if (ctx->Unpack.BufferObj->Name) {
- /* unpack pixelmap from PBO */
- GLubyte *buf;
- /* Note, need to use DefaultPacking and Unpack's buffer object */
- ctx->DefaultPacking.BufferObj = ctx->Unpack.BufferObj;
- if (!_mesa_validate_pbo_access(1, &ctx->DefaultPacking, mapsize, 1, 1,
- GL_INTENSITY, GL_FLOAT, values)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glPixelMapfv(invalid PBO access)");
- return;
- }
- /* restore */
- ctx->DefaultPacking.BufferObj = ctx->Array.NullBufferObj;
- buf = (GLubyte *) ctx->Driver.MapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT,
- GL_READ_ONLY_ARB,
- ctx->Unpack.BufferObj);
- if (!buf) {
- /* buffer is already mapped - that's an error */
+ if (!validate_pbo_access(ctx, &ctx->Unpack, mapsize, GL_INTENSITY,
+ GL_FLOAT, INT_MAX, values)) {
+ return;
+ }
+
+ values = (const GLfloat *) _mesa_map_pbo_source(ctx, &ctx->Unpack, values);
+ if (!values) {
+ if (_mesa_is_bufferobj(ctx->Unpack.BufferObj)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glPixelMapfv(PBO is mapped)");
- return;
}
- values = (const GLfloat *) ADD_POINTERS(buf, values);
- }
- else if (!values) {
return;
}
store_pixelmap(ctx, map, mapsize, values);
- if (ctx->Unpack.BufferObj->Name) {
- ctx->Driver.UnmapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT,
- ctx->Unpack.BufferObj);
- }
+ _mesa_unmap_pbo_source(ctx, &ctx->Unpack);
}
-void GLAPIENTRY
+static void GLAPIENTRY
_mesa_PixelMapuiv(GLenum map, GLsizei mapsize, const GLuint *values )
{
GLfloat fvalues[MAX_PIXEL_MAP_TABLE];
if (map >= GL_PIXEL_MAP_S_TO_S && map <= GL_PIXEL_MAP_I_TO_A) {
/* test that mapsize is a power of two */
- if (_mesa_bitcount((GLuint) mapsize) != 1) {
+ if (!_mesa_is_pow_two(mapsize)) {
_mesa_error( ctx, GL_INVALID_VALUE, "glPixelMapuiv(mapsize)" );
return;
}
FLUSH_VERTICES(ctx, _NEW_PIXEL);
- if (ctx->Unpack.BufferObj->Name) {
- /* unpack pixelmap from PBO */
- GLubyte *buf;
- /* Note, need to use DefaultPacking and Unpack's buffer object */
- ctx->DefaultPacking.BufferObj = ctx->Unpack.BufferObj;
- if (!_mesa_validate_pbo_access(1, &ctx->DefaultPacking, mapsize, 1, 1,
- GL_INTENSITY, GL_UNSIGNED_INT, values)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glPixelMapuiv(invalid PBO access)");
- return;
- }
- /* restore */
- ctx->DefaultPacking.BufferObj = ctx->Array.NullBufferObj;
- buf = (GLubyte *) ctx->Driver.MapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT,
- GL_READ_ONLY_ARB,
- ctx->Unpack.BufferObj);
- if (!buf) {
- /* buffer is already mapped - that's an error */
+ if (!validate_pbo_access(ctx, &ctx->Unpack, mapsize, GL_INTENSITY,
+ GL_UNSIGNED_INT, INT_MAX, values)) {
+ return;
+ }
+
+ values = (const GLuint *) _mesa_map_pbo_source(ctx, &ctx->Unpack, values);
+ if (!values) {
+ if (_mesa_is_bufferobj(ctx->Unpack.BufferObj)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glPixelMapuiv(PBO is mapped)");
- return;
}
- values = (const GLuint *) ADD_POINTERS(buf, values);
- }
- else if (!values) {
return;
}
}
}
- if (ctx->Unpack.BufferObj->Name) {
- ctx->Driver.UnmapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT,
- ctx->Unpack.BufferObj);
- }
+ _mesa_unmap_pbo_source(ctx, &ctx->Unpack);
store_pixelmap(ctx, map, mapsize, fvalues);
}
-void GLAPIENTRY
+static void GLAPIENTRY
_mesa_PixelMapusv(GLenum map, GLsizei mapsize, const GLushort *values )
{
GLfloat fvalues[MAX_PIXEL_MAP_TABLE];
if (map >= GL_PIXEL_MAP_S_TO_S && map <= GL_PIXEL_MAP_I_TO_A) {
/* test that mapsize is a power of two */
- if (_mesa_bitcount((GLuint) mapsize) != 1) {
+ if (!_mesa_is_pow_two(mapsize)) {
_mesa_error( ctx, GL_INVALID_VALUE, "glPixelMapuiv(mapsize)" );
return;
}
FLUSH_VERTICES(ctx, _NEW_PIXEL);
- if (ctx->Unpack.BufferObj->Name) {
- /* unpack pixelmap from PBO */
- GLubyte *buf;
- /* Note, need to use DefaultPacking and Unpack's buffer object */
- ctx->DefaultPacking.BufferObj = ctx->Unpack.BufferObj;
- if (!_mesa_validate_pbo_access(1, &ctx->DefaultPacking, mapsize, 1, 1,
- GL_INTENSITY, GL_UNSIGNED_SHORT,
- values)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glPixelMapusv(invalid PBO access)");
- return;
- }
- /* restore */
- ctx->DefaultPacking.BufferObj = ctx->Array.NullBufferObj;
- buf = (GLubyte *) ctx->Driver.MapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT,
- GL_READ_ONLY_ARB,
- ctx->Unpack.BufferObj);
- if (!buf) {
- /* buffer is already mapped - that's an error */
+ if (!validate_pbo_access(ctx, &ctx->Unpack, mapsize, GL_INTENSITY,
+ GL_UNSIGNED_SHORT, INT_MAX, values)) {
+ return;
+ }
+
+ values = (const GLushort *) _mesa_map_pbo_source(ctx, &ctx->Unpack, values);
+ if (!values) {
+ if (_mesa_is_bufferobj(ctx->Unpack.BufferObj)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glPixelMapusv(PBO is mapped)");
- return;
}
- values = (const GLushort *) ADD_POINTERS(buf, values);
- }
- else if (!values) {
return;
}
}
}
- if (ctx->Unpack.BufferObj->Name) {
- ctx->Driver.UnmapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT,
- ctx->Unpack.BufferObj);
- }
+ _mesa_unmap_pbo_source(ctx, &ctx->Unpack);
store_pixelmap(ctx, map, mapsize, fvalues);
}
-void GLAPIENTRY
-_mesa_GetPixelMapfv( GLenum map, GLfloat *values )
+static void GLAPIENTRY
+_mesa_GetnPixelMapfvARB( GLenum map, GLsizei bufSize, GLfloat *values )
{
GET_CURRENT_CONTEXT(ctx);
- GLuint mapsize, i;
+ GLint mapsize, i;
const struct gl_pixelmap *pm;
ASSERT_OUTSIDE_BEGIN_END(ctx);
mapsize = pm->Size;
- if (ctx->Pack.BufferObj->Name) {
- /* pack pixelmap into PBO */
- GLubyte *buf;
- /* Note, need to use DefaultPacking and Pack's buffer object */
- ctx->DefaultPacking.BufferObj = ctx->Pack.BufferObj;
- if (!_mesa_validate_pbo_access(1, &ctx->DefaultPacking, mapsize, 1, 1,
- GL_INTENSITY, GL_FLOAT, values)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glGetPixelMapfv(invalid PBO access)");
- return;
- }
- /* restore */
- ctx->DefaultPacking.BufferObj = ctx->Array.NullBufferObj;
- buf = (GLubyte *) ctx->Driver.MapBuffer(ctx, GL_PIXEL_PACK_BUFFER_EXT,
- GL_WRITE_ONLY_ARB,
- ctx->Pack.BufferObj);
- if (!buf) {
- /* buffer is already mapped - that's an error */
+ if (!validate_pbo_access(ctx, &ctx->Pack, mapsize, GL_INTENSITY,
+ GL_FLOAT, bufSize, values)) {
+ return;
+ }
+
+ values = (GLfloat *) _mesa_map_pbo_dest(ctx, &ctx->Pack, values);
+ if (!values) {
+ if (_mesa_is_bufferobj(ctx->Pack.BufferObj)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glGetPixelMapfv(PBO is mapped)");
- return;
}
- values = (GLfloat *) ADD_POINTERS(buf, values);
- }
- else if (!values) {
return;
}
}
}
else {
- MEMCPY(values, pm->Map, mapsize * sizeof(GLfloat));
+ memcpy(values, pm->Map, mapsize * sizeof(GLfloat));
}
- if (ctx->Pack.BufferObj->Name) {
- ctx->Driver.UnmapBuffer(ctx, GL_PIXEL_PACK_BUFFER_EXT,
- ctx->Pack.BufferObj);
- }
+ _mesa_unmap_pbo_dest(ctx, &ctx->Pack);
}
-void GLAPIENTRY
-_mesa_GetPixelMapuiv( GLenum map, GLuint *values )
+static void GLAPIENTRY
+_mesa_GetPixelMapfv( GLenum map, GLfloat *values )
+{
+ _mesa_GetnPixelMapfvARB(map, INT_MAX, values);
+}
+
+static void GLAPIENTRY
+_mesa_GetnPixelMapuivARB( GLenum map, GLsizei bufSize, GLuint *values )
{
GET_CURRENT_CONTEXT(ctx);
GLint mapsize, i;
_mesa_error(ctx, GL_INVALID_ENUM, "glGetPixelMapuiv(map)");
return;
}
+
mapsize = pm->Size;
- if (ctx->Pack.BufferObj->Name) {
- /* pack pixelmap into PBO */
- GLubyte *buf;
- /* Note, need to use DefaultPacking and Pack's buffer object */
- ctx->DefaultPacking.BufferObj = ctx->Pack.BufferObj;
- if (!_mesa_validate_pbo_access(1, &ctx->DefaultPacking, mapsize, 1, 1,
- GL_INTENSITY, GL_UNSIGNED_INT, values)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glGetPixelMapuiv(invalid PBO access)");
- return;
- }
- /* restore */
- ctx->DefaultPacking.BufferObj = ctx->Array.NullBufferObj;
- buf = (GLubyte *) ctx->Driver.MapBuffer(ctx, GL_PIXEL_PACK_BUFFER_EXT,
- GL_WRITE_ONLY_ARB,
- ctx->Pack.BufferObj);
- if (!buf) {
- /* buffer is already mapped - that's an error */
+ if (!validate_pbo_access(ctx, &ctx->Pack, mapsize, GL_INTENSITY,
+ GL_UNSIGNED_INT, bufSize, values)) {
+ return;
+ }
+
+ values = (GLuint *) _mesa_map_pbo_dest(ctx, &ctx->Pack, values);
+ if (!values) {
+ if (_mesa_is_bufferobj(ctx->Pack.BufferObj)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glGetPixelMapuiv(PBO is mapped)");
- return;
}
- values = (GLuint *) ADD_POINTERS(buf, values);
- }
- else if (!values) {
return;
}
if (map == GL_PIXEL_MAP_S_TO_S) {
/* special case */
- MEMCPY(values, ctx->PixelMaps.StoS.Map, mapsize * sizeof(GLint));
+ memcpy(values, ctx->PixelMaps.StoS.Map, mapsize * sizeof(GLint));
}
else {
for (i = 0; i < mapsize; i++) {
}
}
- if (ctx->Pack.BufferObj->Name) {
- ctx->Driver.UnmapBuffer(ctx, GL_PIXEL_PACK_BUFFER_EXT,
- ctx->Pack.BufferObj);
- }
+ _mesa_unmap_pbo_dest(ctx, &ctx->Pack);
}
-void GLAPIENTRY
-_mesa_GetPixelMapusv( GLenum map, GLushort *values )
+static void GLAPIENTRY
+_mesa_GetPixelMapuiv( GLenum map, GLuint *values )
+{
+ _mesa_GetnPixelMapuivARB(map, INT_MAX, values);
+}
+
+static void GLAPIENTRY
+_mesa_GetnPixelMapusvARB( GLenum map, GLsizei bufSize, GLushort *values )
{
GET_CURRENT_CONTEXT(ctx);
GLint mapsize, i;
_mesa_error(ctx, GL_INVALID_ENUM, "glGetPixelMapusv(map)");
return;
}
- mapsize = pm ? pm->Size : 0;
-
- if (ctx->Pack.BufferObj->Name) {
- /* pack pixelmap into PBO */
- GLubyte *buf;
- /* Note, need to use DefaultPacking and Pack's buffer object */
- ctx->DefaultPacking.BufferObj = ctx->Pack.BufferObj;
- if (!_mesa_validate_pbo_access(1, &ctx->DefaultPacking, mapsize, 1, 1,
- GL_INTENSITY, GL_UNSIGNED_SHORT,
- values)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glGetPixelMapusv(invalid PBO access)");
- return;
- }
- /* restore */
- ctx->DefaultPacking.BufferObj = ctx->Array.NullBufferObj;
- buf = (GLubyte *) ctx->Driver.MapBuffer(ctx, GL_PIXEL_PACK_BUFFER_EXT,
- GL_WRITE_ONLY_ARB,
- ctx->Pack.BufferObj);
- if (!buf) {
- /* buffer is already mapped - that's an error */
+
+ mapsize = pm->Size;
+
+ if (!validate_pbo_access(ctx, &ctx->Pack, mapsize, GL_INTENSITY,
+ GL_UNSIGNED_SHORT, bufSize, values)) {
+ return;
+ }
+
+ values = (GLushort *) _mesa_map_pbo_dest(ctx, &ctx->Pack, values);
+ if (!values) {
+ if (_mesa_is_bufferobj(ctx->Pack.BufferObj)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glGetPixelMapusv(PBO is mapped)");
- return;
}
- values = (GLushort *) ADD_POINTERS(buf, values);
- }
- else if (!values) {
return;
}
}
}
- if (ctx->Pack.BufferObj->Name) {
- ctx->Driver.UnmapBuffer(ctx, GL_PIXEL_PACK_BUFFER_EXT,
- ctx->Pack.BufferObj);
- }
+ _mesa_unmap_pbo_dest(ctx, &ctx->Pack);
}
+static void GLAPIENTRY
+_mesa_GetPixelMapusv( GLenum map, GLushort *values )
+{
+ _mesa_GetnPixelMapusvARB(map, INT_MAX, values);
+}
+
/**********************************************************************/
/***** glPixelTransfer *****/
* Implements glPixelTransfer[fi] whether called immediately or from a
* display list.
*/
-void GLAPIENTRY
+static void GLAPIENTRY
_mesa_PixelTransferf( GLenum pname, GLfloat param )
{
GET_CURRENT_CONTEXT(ctx);
FLUSH_VERTICES(ctx, _NEW_PIXEL);
ctx->Pixel.DepthBias = param;
break;
- case GL_POST_COLOR_MATRIX_RED_SCALE:
- if (ctx->Pixel.PostColorMatrixScale[0] == param)
- return;
- FLUSH_VERTICES(ctx, _NEW_PIXEL);
- ctx->Pixel.PostColorMatrixScale[0] = param;
- break;
- case GL_POST_COLOR_MATRIX_RED_BIAS:
- if (ctx->Pixel.PostColorMatrixBias[0] == param)
- return;
- FLUSH_VERTICES(ctx, _NEW_PIXEL);
- ctx->Pixel.PostColorMatrixBias[0] = param;
- break;
- case GL_POST_COLOR_MATRIX_GREEN_SCALE:
- if (ctx->Pixel.PostColorMatrixScale[1] == param)
- return;
- FLUSH_VERTICES(ctx, _NEW_PIXEL);
- ctx->Pixel.PostColorMatrixScale[1] = param;
- break;
- case GL_POST_COLOR_MATRIX_GREEN_BIAS:
- if (ctx->Pixel.PostColorMatrixBias[1] == param)
- return;
- FLUSH_VERTICES(ctx, _NEW_PIXEL);
- ctx->Pixel.PostColorMatrixBias[1] = param;
- break;
- case GL_POST_COLOR_MATRIX_BLUE_SCALE:
- if (ctx->Pixel.PostColorMatrixScale[2] == param)
- return;
- FLUSH_VERTICES(ctx, _NEW_PIXEL);
- ctx->Pixel.PostColorMatrixScale[2] = param;
- break;
- case GL_POST_COLOR_MATRIX_BLUE_BIAS:
- if (ctx->Pixel.PostColorMatrixBias[2] == param)
- return;
- FLUSH_VERTICES(ctx, _NEW_PIXEL);
- ctx->Pixel.PostColorMatrixBias[2] = param;
- break;
- case GL_POST_COLOR_MATRIX_ALPHA_SCALE:
- if (ctx->Pixel.PostColorMatrixScale[3] == param)
- return;
- FLUSH_VERTICES(ctx, _NEW_PIXEL);
- ctx->Pixel.PostColorMatrixScale[3] = param;
- break;
- case GL_POST_COLOR_MATRIX_ALPHA_BIAS:
- if (ctx->Pixel.PostColorMatrixBias[3] == param)
- return;
- FLUSH_VERTICES(ctx, _NEW_PIXEL);
- ctx->Pixel.PostColorMatrixBias[3] = param;
- break;
- case GL_POST_CONVOLUTION_RED_SCALE:
- if (ctx->Pixel.PostConvolutionScale[0] == param)
- return;
- FLUSH_VERTICES(ctx, _NEW_PIXEL);
- ctx->Pixel.PostConvolutionScale[0] = param;
- break;
- case GL_POST_CONVOLUTION_RED_BIAS:
- if (ctx->Pixel.PostConvolutionBias[0] == param)
- return;
- FLUSH_VERTICES(ctx, _NEW_PIXEL);
- ctx->Pixel.PostConvolutionBias[0] = param;
- break;
- case GL_POST_CONVOLUTION_GREEN_SCALE:
- if (ctx->Pixel.PostConvolutionScale[1] == param)
- return;
- FLUSH_VERTICES(ctx, _NEW_PIXEL);
- ctx->Pixel.PostConvolutionScale[1] = param;
- break;
- case GL_POST_CONVOLUTION_GREEN_BIAS:
- if (ctx->Pixel.PostConvolutionBias[1] == param)
- return;
- FLUSH_VERTICES(ctx, _NEW_PIXEL);
- ctx->Pixel.PostConvolutionBias[1] = param;
- break;
- case GL_POST_CONVOLUTION_BLUE_SCALE:
- if (ctx->Pixel.PostConvolutionScale[2] == param)
- return;
- FLUSH_VERTICES(ctx, _NEW_PIXEL);
- ctx->Pixel.PostConvolutionScale[2] = param;
- break;
- case GL_POST_CONVOLUTION_BLUE_BIAS:
- if (ctx->Pixel.PostConvolutionBias[2] == param)
- return;
- FLUSH_VERTICES(ctx, _NEW_PIXEL);
- ctx->Pixel.PostConvolutionBias[2] = param;
- break;
- case GL_POST_CONVOLUTION_ALPHA_SCALE:
- if (ctx->Pixel.PostConvolutionScale[3] == param)
- return;
- FLUSH_VERTICES(ctx, _NEW_PIXEL);
- ctx->Pixel.PostConvolutionScale[3] = param;
- break;
- case GL_POST_CONVOLUTION_ALPHA_BIAS:
- if (ctx->Pixel.PostConvolutionBias[3] == param)
- return;
- FLUSH_VERTICES(ctx, _NEW_PIXEL);
- ctx->Pixel.PostConvolutionBias[3] = param;
- break;
default:
_mesa_error( ctx, GL_INVALID_ENUM, "glPixelTransfer(pname)" );
return;
}
-void GLAPIENTRY
+static void GLAPIENTRY
_mesa_PixelTransferi( GLenum pname, GLint param )
{
_mesa_PixelTransferf( pname, (GLfloat) param );
-/**********************************************************************/
-/***** Pixel processing functions ******/
-/**********************************************************************/
-
-/*
- * Apply scale and bias factors to an array of RGBA pixels.
- */
-void
-_mesa_scale_and_bias_rgba(GLuint n, GLfloat rgba[][4],
- GLfloat rScale, GLfloat gScale,
- GLfloat bScale, GLfloat aScale,
- GLfloat rBias, GLfloat gBias,
- GLfloat bBias, GLfloat aBias)
-{
- if (rScale != 1.0 || rBias != 0.0) {
- GLuint i;
- for (i = 0; i < n; i++) {
- rgba[i][RCOMP] = rgba[i][RCOMP] * rScale + rBias;
- }
- }
- if (gScale != 1.0 || gBias != 0.0) {
- GLuint i;
- for (i = 0; i < n; i++) {
- rgba[i][GCOMP] = rgba[i][GCOMP] * gScale + gBias;
- }
- }
- if (bScale != 1.0 || bBias != 0.0) {
- GLuint i;
- for (i = 0; i < n; i++) {
- rgba[i][BCOMP] = rgba[i][BCOMP] * bScale + bBias;
- }
- }
- if (aScale != 1.0 || aBias != 0.0) {
- GLuint i;
- for (i = 0; i < n; i++) {
- rgba[i][ACOMP] = rgba[i][ACOMP] * aScale + aBias;
- }
- }
-}
-
-
-/*
- * Apply pixel mapping to an array of floating point RGBA pixels.
- */
-void
-_mesa_map_rgba( const GLcontext *ctx, GLuint n, GLfloat rgba[][4] )
-{
- const GLfloat rscale = (GLfloat) (ctx->PixelMaps.RtoR.Size - 1);
- const GLfloat gscale = (GLfloat) (ctx->PixelMaps.GtoG.Size - 1);
- const GLfloat bscale = (GLfloat) (ctx->PixelMaps.BtoB.Size - 1);
- const GLfloat ascale = (GLfloat) (ctx->PixelMaps.AtoA.Size - 1);
- const GLfloat *rMap = ctx->PixelMaps.RtoR.Map;
- const GLfloat *gMap = ctx->PixelMaps.GtoG.Map;
- const GLfloat *bMap = ctx->PixelMaps.BtoB.Map;
- const GLfloat *aMap = ctx->PixelMaps.AtoA.Map;
- GLuint i;
- for (i=0;i<n;i++) {
- GLfloat r = CLAMP(rgba[i][RCOMP], 0.0F, 1.0F);
- GLfloat g = CLAMP(rgba[i][GCOMP], 0.0F, 1.0F);
- GLfloat b = CLAMP(rgba[i][BCOMP], 0.0F, 1.0F);
- GLfloat a = CLAMP(rgba[i][ACOMP], 0.0F, 1.0F);
- rgba[i][RCOMP] = rMap[IROUND(r * rscale)];
- rgba[i][GCOMP] = gMap[IROUND(g * gscale)];
- rgba[i][BCOMP] = bMap[IROUND(b * bscale)];
- rgba[i][ACOMP] = aMap[IROUND(a * ascale)];
- }
-}
-
-
-/*
- * Apply the color matrix and post color matrix scaling and biasing.
- */
-void
-_mesa_transform_rgba(const GLcontext *ctx, GLuint n, GLfloat rgba[][4])
-{
- const GLfloat rs = ctx->Pixel.PostColorMatrixScale[0];
- const GLfloat rb = ctx->Pixel.PostColorMatrixBias[0];
- const GLfloat gs = ctx->Pixel.PostColorMatrixScale[1];
- const GLfloat gb = ctx->Pixel.PostColorMatrixBias[1];
- const GLfloat bs = ctx->Pixel.PostColorMatrixScale[2];
- const GLfloat bb = ctx->Pixel.PostColorMatrixBias[2];
- const GLfloat as = ctx->Pixel.PostColorMatrixScale[3];
- const GLfloat ab = ctx->Pixel.PostColorMatrixBias[3];
- const GLfloat *m = ctx->ColorMatrixStack.Top->m;
- GLuint i;
- for (i = 0; i < n; i++) {
- const GLfloat r = rgba[i][RCOMP];
- const GLfloat g = rgba[i][GCOMP];
- const GLfloat b = rgba[i][BCOMP];
- const GLfloat a = rgba[i][ACOMP];
- rgba[i][RCOMP] = (m[0] * r + m[4] * g + m[ 8] * b + m[12] * a) * rs + rb;
- rgba[i][GCOMP] = (m[1] * r + m[5] * g + m[ 9] * b + m[13] * a) * gs + gb;
- rgba[i][BCOMP] = (m[2] * r + m[6] * g + m[10] * b + m[14] * a) * bs + bb;
- rgba[i][ACOMP] = (m[3] * r + m[7] * g + m[11] * b + m[15] * a) * as + ab;
- }
-}
-
-
-/**
- * Apply a color table lookup to an array of floating point RGBA colors.
- */
-void
-_mesa_lookup_rgba_float(const struct gl_color_table *table,
- GLuint n, GLfloat rgba[][4])
-{
- const GLint max = table->Size - 1;
- const GLfloat scale = (GLfloat) max;
- const GLfloat *lut = table->TableF;
- GLuint i;
-
- if (!table->TableF || table->Size == 0)
- return;
-
- switch (table->_BaseFormat) {
- case GL_INTENSITY:
- /* replace RGBA with I */
- for (i = 0; i < n; i++) {
- GLint j = IROUND(rgba[i][RCOMP] * scale);
- GLfloat c = lut[CLAMP(j, 0, max)];
- rgba[i][RCOMP] =
- rgba[i][GCOMP] =
- rgba[i][BCOMP] =
- rgba[i][ACOMP] = c;
- }
- break;
- case GL_LUMINANCE:
- /* replace RGB with L */
- for (i = 0; i < n; i++) {
- GLint j = IROUND(rgba[i][RCOMP] * scale);
- GLfloat c = lut[CLAMP(j, 0, max)];
- rgba[i][RCOMP] =
- rgba[i][GCOMP] =
- rgba[i][BCOMP] = c;
- }
- break;
- case GL_ALPHA:
- /* replace A with A */
- for (i = 0; i < n; i++) {
- GLint j = IROUND(rgba[i][ACOMP] * scale);
- rgba[i][ACOMP] = lut[CLAMP(j, 0, max)];
- }
- break;
- case GL_LUMINANCE_ALPHA:
- /* replace RGBA with LLLA */
- for (i = 0; i < n; i++) {
- GLint jL = IROUND(rgba[i][RCOMP] * scale);
- GLint jA = IROUND(rgba[i][ACOMP] * scale);
- GLfloat luminance, alpha;
- jL = CLAMP(jL, 0, max);
- jA = CLAMP(jA, 0, max);
- luminance = lut[jL * 2 + 0];
- alpha = lut[jA * 2 + 1];
- rgba[i][RCOMP] =
- rgba[i][GCOMP] =
- rgba[i][BCOMP] = luminance;
- rgba[i][ACOMP] = alpha;;
- }
- break;
- case GL_RGB:
- /* replace RGB with RGB */
- for (i = 0; i < n; i++) {
- GLint jR = IROUND(rgba[i][RCOMP] * scale);
- GLint jG = IROUND(rgba[i][GCOMP] * scale);
- GLint jB = IROUND(rgba[i][BCOMP] * scale);
- jR = CLAMP(jR, 0, max);
- jG = CLAMP(jG, 0, max);
- jB = CLAMP(jB, 0, max);
- rgba[i][RCOMP] = lut[jR * 3 + 0];
- rgba[i][GCOMP] = lut[jG * 3 + 1];
- rgba[i][BCOMP] = lut[jB * 3 + 2];
- }
- break;
- case GL_RGBA:
- /* replace RGBA with RGBA */
- for (i = 0; i < n; i++) {
- GLint jR = IROUND(rgba[i][RCOMP] * scale);
- GLint jG = IROUND(rgba[i][GCOMP] * scale);
- GLint jB = IROUND(rgba[i][BCOMP] * scale);
- GLint jA = IROUND(rgba[i][ACOMP] * scale);
- jR = CLAMP(jR, 0, max);
- jG = CLAMP(jG, 0, max);
- jB = CLAMP(jB, 0, max);
- jA = CLAMP(jA, 0, max);
- rgba[i][RCOMP] = lut[jR * 4 + 0];
- rgba[i][GCOMP] = lut[jG * 4 + 1];
- rgba[i][BCOMP] = lut[jB * 4 + 2];
- rgba[i][ACOMP] = lut[jA * 4 + 3];
- }
- break;
- default:
- _mesa_problem(NULL, "Bad format in _mesa_lookup_rgba_float");
- return;
- }
-}
-
-
-
-/**
- * Apply a color table lookup to an array of ubyte/RGBA colors.
- */
-void
-_mesa_lookup_rgba_ubyte(const struct gl_color_table *table,
- GLuint n, GLubyte rgba[][4])
-{
- const GLubyte *lut = table->TableUB;
- const GLfloat scale = (GLfloat) (table->Size - 1) / (GLfloat)255.0;
- GLuint i;
-
- if (!table->TableUB || table->Size == 0)
- return;
-
- switch (table->_BaseFormat) {
- case GL_INTENSITY:
- /* replace RGBA with I */
- if (table->Size == 256) {
- for (i = 0; i < n; i++) {
- const GLubyte c = lut[rgba[i][RCOMP]];
- rgba[i][RCOMP] =
- rgba[i][GCOMP] =
- rgba[i][BCOMP] =
- rgba[i][ACOMP] = c;
- }
- }
- else {
- for (i = 0; i < n; i++) {
- GLint j = IROUND((GLfloat) rgba[i][RCOMP] * scale);
- rgba[i][RCOMP] =
- rgba[i][GCOMP] =
- rgba[i][BCOMP] =
- rgba[i][ACOMP] = lut[j];
- }
- }
- break;
- case GL_LUMINANCE:
- /* replace RGB with L */
- if (table->Size == 256) {
- for (i = 0; i < n; i++) {
- const GLubyte c = lut[rgba[i][RCOMP]];
- rgba[i][RCOMP] =
- rgba[i][GCOMP] =
- rgba[i][BCOMP] = c;
- }
- }
- else {
- for (i = 0; i < n; i++) {
- GLint j = IROUND((GLfloat) rgba[i][RCOMP] * scale);
- rgba[i][RCOMP] =
- rgba[i][GCOMP] =
- rgba[i][BCOMP] = lut[j];
- }
- }
- break;
- case GL_ALPHA:
- /* replace A with A */
- if (table->Size == 256) {
- for (i = 0; i < n; i++) {
- rgba[i][ACOMP] = lut[rgba[i][ACOMP]];
- }
- }
- else {
- for (i = 0; i < n; i++) {
- GLint j = IROUND((GLfloat) rgba[i][ACOMP] * scale);
- rgba[i][ACOMP] = lut[j];
- }
- }
- break;
- case GL_LUMINANCE_ALPHA:
- /* replace RGBA with LLLA */
- if (table->Size == 256) {
- for (i = 0; i < n; i++) {
- GLubyte l = lut[rgba[i][RCOMP] * 2 + 0];
- GLubyte a = lut[rgba[i][ACOMP] * 2 + 1];;
- rgba[i][RCOMP] =
- rgba[i][GCOMP] =
- rgba[i][BCOMP] = l;
- rgba[i][ACOMP] = a;
- }
- }
- else {
- for (i = 0; i < n; i++) {
- GLint jL = IROUND((GLfloat) rgba[i][RCOMP] * scale);
- GLint jA = IROUND((GLfloat) rgba[i][ACOMP] * scale);
- GLubyte luminance = lut[jL * 2 + 0];
- GLubyte alpha = lut[jA * 2 + 1];
- rgba[i][RCOMP] =
- rgba[i][GCOMP] =
- rgba[i][BCOMP] = luminance;
- rgba[i][ACOMP] = alpha;
- }
- }
- break;
- case GL_RGB:
- if (table->Size == 256) {
- for (i = 0; i < n; i++) {
- rgba[i][RCOMP] = lut[rgba[i][RCOMP] * 3 + 0];
- rgba[i][GCOMP] = lut[rgba[i][GCOMP] * 3 + 1];
- rgba[i][BCOMP] = lut[rgba[i][BCOMP] * 3 + 2];
- }
- }
- else {
- for (i = 0; i < n; i++) {
- GLint jR = IROUND((GLfloat) rgba[i][RCOMP] * scale);
- GLint jG = IROUND((GLfloat) rgba[i][GCOMP] * scale);
- GLint jB = IROUND((GLfloat) rgba[i][BCOMP] * scale);
- rgba[i][RCOMP] = lut[jR * 3 + 0];
- rgba[i][GCOMP] = lut[jG * 3 + 1];
- rgba[i][BCOMP] = lut[jB * 3 + 2];
- }
- }
- break;
- case GL_RGBA:
- if (table->Size == 256) {
- for (i = 0; i < n; i++) {
- rgba[i][RCOMP] = lut[rgba[i][RCOMP] * 4 + 0];
- rgba[i][GCOMP] = lut[rgba[i][GCOMP] * 4 + 1];
- rgba[i][BCOMP] = lut[rgba[i][BCOMP] * 4 + 2];
- rgba[i][ACOMP] = lut[rgba[i][ACOMP] * 4 + 3];
- }
- }
- else {
- for (i = 0; i < n; i++) {
- GLint jR = IROUND((GLfloat) rgba[i][RCOMP] * scale);
- GLint jG = IROUND((GLfloat) rgba[i][GCOMP] * scale);
- GLint jB = IROUND((GLfloat) rgba[i][BCOMP] * scale);
- GLint jA = IROUND((GLfloat) rgba[i][ACOMP] * scale);
- CLAMPED_FLOAT_TO_CHAN(rgba[i][RCOMP], lut[jR * 4 + 0]);
- CLAMPED_FLOAT_TO_CHAN(rgba[i][GCOMP], lut[jG * 4 + 1]);
- CLAMPED_FLOAT_TO_CHAN(rgba[i][BCOMP], lut[jB * 4 + 2]);
- CLAMPED_FLOAT_TO_CHAN(rgba[i][ACOMP], lut[jA * 4 + 3]);
- }
- }
- break;
- default:
- _mesa_problem(NULL, "Bad format in _mesa_lookup_rgba_chan");
- return;
- }
-}
-
-
-
-/*
- * Map color indexes to float rgba values.
- */
-void
-_mesa_map_ci_to_rgba( const GLcontext *ctx, GLuint n,
- const GLuint index[], GLfloat rgba[][4] )
-{
- GLuint rmask = ctx->PixelMaps.ItoR.Size - 1;
- GLuint gmask = ctx->PixelMaps.ItoG.Size - 1;
- GLuint bmask = ctx->PixelMaps.ItoB.Size - 1;
- GLuint amask = ctx->PixelMaps.ItoA.Size - 1;
- const GLfloat *rMap = ctx->PixelMaps.ItoR.Map;
- const GLfloat *gMap = ctx->PixelMaps.ItoG.Map;
- const GLfloat *bMap = ctx->PixelMaps.ItoB.Map;
- const GLfloat *aMap = ctx->PixelMaps.ItoA.Map;
- GLuint i;
- for (i=0;i<n;i++) {
- rgba[i][RCOMP] = rMap[index[i] & rmask];
- rgba[i][GCOMP] = gMap[index[i] & gmask];
- rgba[i][BCOMP] = bMap[index[i] & bmask];
- rgba[i][ACOMP] = aMap[index[i] & amask];
- }
-}
-
-
-/**
- * Map ubyte color indexes to ubyte/RGBA values.
- */
-void
-_mesa_map_ci8_to_rgba8(const GLcontext *ctx, GLuint n, const GLubyte index[],
- GLubyte rgba[][4])
-{
- GLuint rmask = ctx->PixelMaps.ItoR.Size - 1;
- GLuint gmask = ctx->PixelMaps.ItoG.Size - 1;
- GLuint bmask = ctx->PixelMaps.ItoB.Size - 1;
- GLuint amask = ctx->PixelMaps.ItoA.Size - 1;
- const GLubyte *rMap = ctx->PixelMaps.ItoR.Map8;
- const GLubyte *gMap = ctx->PixelMaps.ItoG.Map8;
- const GLubyte *bMap = ctx->PixelMaps.ItoB.Map8;
- const GLubyte *aMap = ctx->PixelMaps.ItoA.Map8;
- GLuint i;
- for (i=0;i<n;i++) {
- rgba[i][RCOMP] = rMap[index[i] & rmask];
- rgba[i][GCOMP] = gMap[index[i] & gmask];
- rgba[i][BCOMP] = bMap[index[i] & bmask];
- rgba[i][ACOMP] = aMap[index[i] & amask];
- }
-}
-
-
-void
-_mesa_scale_and_bias_depth(const GLcontext *ctx, GLuint n,
- GLfloat depthValues[])
-{
- const GLfloat scale = ctx->Pixel.DepthScale;
- const GLfloat bias = ctx->Pixel.DepthBias;
- GLuint i;
- for (i = 0; i < n; i++) {
- GLfloat d = depthValues[i] * scale + bias;
- depthValues[i] = CLAMP(d, 0.0F, 1.0F);
- }
-}
-
-
-void
-_mesa_scale_and_bias_depth_uint(const GLcontext *ctx, GLuint n,
- GLuint depthValues[])
-{
- const GLdouble max = (double) 0xffffffff;
- const GLdouble scale = ctx->Pixel.DepthScale;
- const GLdouble bias = ctx->Pixel.DepthBias * max;
- GLuint i;
- for (i = 0; i < n; i++) {
- GLdouble d = (GLdouble) depthValues[i] * scale + bias;
- d = CLAMP(d, 0.0, max);
- depthValues[i] = (GLuint) d;
- }
-}
-
-
/**********************************************************************/
/***** State Management *****/
/**********************************************************************/
* pixel transfer operations are enabled.
*/
static void
-update_image_transfer_state(GLcontext *ctx)
+update_image_transfer_state(struct gl_context *ctx)
{
GLuint mask = 0;
if (ctx->Pixel.MapColorFlag)
mask |= IMAGE_MAP_COLOR_BIT;
- if (ctx->Pixel.ColorTableEnabled[COLORTABLE_PRECONVOLUTION])
- mask |= IMAGE_COLOR_TABLE_BIT;
-
- if (ctx->Pixel.Convolution1DEnabled ||
- ctx->Pixel.Convolution2DEnabled ||
- ctx->Pixel.Separable2DEnabled) {
- mask |= IMAGE_CONVOLUTION_BIT;
- if (ctx->Pixel.PostConvolutionScale[0] != 1.0F ||
- ctx->Pixel.PostConvolutionScale[1] != 1.0F ||
- ctx->Pixel.PostConvolutionScale[2] != 1.0F ||
- ctx->Pixel.PostConvolutionScale[3] != 1.0F ||
- ctx->Pixel.PostConvolutionBias[0] != 0.0F ||
- ctx->Pixel.PostConvolutionBias[1] != 0.0F ||
- ctx->Pixel.PostConvolutionBias[2] != 0.0F ||
- ctx->Pixel.PostConvolutionBias[3] != 0.0F) {
- mask |= IMAGE_POST_CONVOLUTION_SCALE_BIAS;
- }
- }
-
- if (ctx->Pixel.ColorTableEnabled[COLORTABLE_POSTCONVOLUTION])
- mask |= IMAGE_POST_CONVOLUTION_COLOR_TABLE_BIT;
-
- if (ctx->ColorMatrixStack.Top->type != MATRIX_IDENTITY ||
- ctx->Pixel.PostColorMatrixScale[0] != 1.0F ||
- ctx->Pixel.PostColorMatrixBias[0] != 0.0F ||
- ctx->Pixel.PostColorMatrixScale[1] != 1.0F ||
- ctx->Pixel.PostColorMatrixBias[1] != 0.0F ||
- ctx->Pixel.PostColorMatrixScale[2] != 1.0F ||
- ctx->Pixel.PostColorMatrixBias[2] != 0.0F ||
- ctx->Pixel.PostColorMatrixScale[3] != 1.0F ||
- ctx->Pixel.PostColorMatrixBias[3] != 0.0F)
- mask |= IMAGE_COLOR_MATRIX_BIT;
-
- if (ctx->Pixel.ColorTableEnabled[COLORTABLE_POSTCOLORMATRIX])
- mask |= IMAGE_POST_COLOR_MATRIX_COLOR_TABLE_BIT;
-
- if (ctx->Pixel.HistogramEnabled)
- mask |= IMAGE_HISTOGRAM_BIT;
-
- if (ctx->Pixel.MinMaxEnabled)
- mask |= IMAGE_MIN_MAX_BIT;
-
ctx->_ImageTransferState = mask;
}
-void _mesa_update_pixel( GLcontext *ctx, GLuint new_state )
+/**
+ * Update mesa pixel transfer derived state.
+ */
+void _mesa_update_pixel( struct gl_context *ctx, GLuint new_state )
{
- if (new_state & _NEW_COLOR_MATRIX)
- _math_matrix_analyse( ctx->ColorMatrixStack.Top );
-
- /* References ColorMatrix.type (derived above).
- */
- if (new_state & _IMAGE_NEW_TRANSFER_STATE)
+ if (new_state & _NEW_PIXEL)
update_image_transfer_state(ctx);
}
+void
+_mesa_init_pixel_dispatch(struct _glapi_table *disp)
+{
+ SET_GetPixelMapfv(disp, _mesa_GetPixelMapfv);
+ SET_GetPixelMapuiv(disp, _mesa_GetPixelMapuiv);
+ SET_GetPixelMapusv(disp, _mesa_GetPixelMapusv);
+ SET_PixelMapfv(disp, _mesa_PixelMapfv);
+ SET_PixelMapuiv(disp, _mesa_PixelMapuiv);
+ SET_PixelMapusv(disp, _mesa_PixelMapusv);
+ SET_PixelTransferf(disp, _mesa_PixelTransferf);
+ SET_PixelTransferi(disp, _mesa_PixelTransferi);
+ SET_PixelZoom(disp, _mesa_PixelZoom);
+
+ /* GL_ARB_robustness */
+ SET_GetnPixelMapfvARB(disp, _mesa_GetnPixelMapfvARB);
+ SET_GetnPixelMapuivARB(disp, _mesa_GetnPixelMapuivARB);
+ SET_GetnPixelMapusvARB(disp, _mesa_GetnPixelMapusvARB);
+}
+
+
+#endif /* FEATURE_pixel_transfer */
+
+
/**********************************************************************/
/***** Initialization *****/
/**********************************************************************/
* Initialize the context's PIXEL attribute group.
*/
void
-_mesa_init_pixel( GLcontext *ctx )
+_mesa_init_pixel( struct gl_context *ctx )
{
- int i;
-
/* Pixel group */
ctx->Pixel.RedBias = 0.0;
ctx->Pixel.RedScale = 1.0;
init_pixelmap(&ctx->PixelMaps.GtoG);
init_pixelmap(&ctx->PixelMaps.BtoB);
init_pixelmap(&ctx->PixelMaps.AtoA);
- ctx->Pixel.HistogramEnabled = GL_FALSE;
- ctx->Pixel.MinMaxEnabled = GL_FALSE;
- ASSIGN_4V(ctx->Pixel.PostColorMatrixScale, 1.0, 1.0, 1.0, 1.0);
- ASSIGN_4V(ctx->Pixel.PostColorMatrixBias, 0.0, 0.0, 0.0, 0.0);
- for (i = 0; i < COLORTABLE_MAX; i++) {
- ASSIGN_4V(ctx->Pixel.ColorTableScale[i], 1.0, 1.0, 1.0, 1.0);
- ASSIGN_4V(ctx->Pixel.ColorTableBias[i], 0.0, 0.0, 0.0, 0.0);
- ctx->Pixel.ColorTableEnabled[i] = GL_FALSE;
- }
- ctx->Pixel.Convolution1DEnabled = GL_FALSE;
- ctx->Pixel.Convolution2DEnabled = GL_FALSE;
- ctx->Pixel.Separable2DEnabled = GL_FALSE;
- for (i = 0; i < 3; i++) {
- ASSIGN_4V(ctx->Pixel.ConvolutionBorderColor[i], 0.0, 0.0, 0.0, 0.0);
- ctx->Pixel.ConvolutionBorderMode[i] = GL_REDUCE;
- ASSIGN_4V(ctx->Pixel.ConvolutionFilterScale[i], 1.0, 1.0, 1.0, 1.0);
- ASSIGN_4V(ctx->Pixel.ConvolutionFilterBias[i], 0.0, 0.0, 0.0, 0.0);
- }
- for (i = 0; i < MAX_CONVOLUTION_WIDTH * MAX_CONVOLUTION_WIDTH * 4; i++) {
- ctx->Convolution1D.Filter[i] = 0.0;
- ctx->Convolution2D.Filter[i] = 0.0;
- ctx->Separable2D.Filter[i] = 0.0;
- }
- ASSIGN_4V(ctx->Pixel.PostConvolutionScale, 1.0, 1.0, 1.0, 1.0);
- ASSIGN_4V(ctx->Pixel.PostConvolutionBias, 0.0, 0.0, 0.0, 0.0);
- /* GL_SGI_texture_color_table */
- ASSIGN_4V(ctx->Pixel.TextureColorTableScale, 1.0, 1.0, 1.0, 1.0);
- ASSIGN_4V(ctx->Pixel.TextureColorTableBias, 0.0, 0.0, 0.0, 0.0);
-
- /* Pixel transfer */
- ctx->Pack.Alignment = 4;
- ctx->Pack.RowLength = 0;
- ctx->Pack.ImageHeight = 0;
- ctx->Pack.SkipPixels = 0;
- ctx->Pack.SkipRows = 0;
- ctx->Pack.SkipImages = 0;
- ctx->Pack.SwapBytes = GL_FALSE;
- ctx->Pack.LsbFirst = GL_FALSE;
- ctx->Pack.ClientStorage = GL_FALSE;
- ctx->Pack.Invert = GL_FALSE;
-#if FEATURE_EXT_pixel_buffer_object
- ctx->Pack.BufferObj = ctx->Array.NullBufferObj;
-#endif
- ctx->Unpack.Alignment = 4;
- ctx->Unpack.RowLength = 0;
- ctx->Unpack.ImageHeight = 0;
- ctx->Unpack.SkipPixels = 0;
- ctx->Unpack.SkipRows = 0;
- ctx->Unpack.SkipImages = 0;
- ctx->Unpack.SwapBytes = GL_FALSE;
- ctx->Unpack.LsbFirst = GL_FALSE;
- ctx->Unpack.ClientStorage = GL_FALSE;
- ctx->Unpack.Invert = GL_FALSE;
-#if FEATURE_EXT_pixel_buffer_object
- ctx->Unpack.BufferObj = ctx->Array.NullBufferObj;
-#endif
-
- /*
- * _mesa_unpack_image() returns image data in this format. When we
- * execute image commands (glDrawPixels(), glTexImage(), etc) from
- * within display lists we have to be sure to set the current
- * unpacking parameters to these values!
- */
- ctx->DefaultPacking.Alignment = 1;
- ctx->DefaultPacking.RowLength = 0;
- ctx->DefaultPacking.SkipPixels = 0;
- ctx->DefaultPacking.SkipRows = 0;
- ctx->DefaultPacking.ImageHeight = 0;
- ctx->DefaultPacking.SkipImages = 0;
- ctx->DefaultPacking.SwapBytes = GL_FALSE;
- ctx->DefaultPacking.LsbFirst = GL_FALSE;
- ctx->DefaultPacking.ClientStorage = GL_FALSE;
- ctx->DefaultPacking.Invert = GL_FALSE;
-#if FEATURE_EXT_pixel_buffer_object
- ctx->DefaultPacking.BufferObj = ctx->Array.NullBufferObj;
-#endif
if (ctx->Visual.doubleBufferMode) {
ctx->Pixel.ReadBuffer = GL_BACK;
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