/*
* Mesa 3-D graphics library
- * Version: 7.1
*
* Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
*
* 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.
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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 "bufferobj.h"
-#include "colormac.h"
#include "context.h"
-#include "image.h"
#include "macros.h"
#include "pixel.h"
+#include "pbo.h"
#include "mtypes.h"
-#include "glapi/dispatch.h"
-
-
-#if FEATURE_pixel_transfer
/**********************************************************************/
/***** glPixelZoom *****/
/**********************************************************************/
-static void GLAPIENTRY
+void GLAPIENTRY
_mesa_PixelZoom( GLfloat xfactor, GLfloat yfactor )
{
GET_CURRENT_CONTEXT(ctx);
* 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;
for (i = 0; i < mapsize; i++) {
GLfloat val = CLAMP(values[i], 0.0F, 1.0F);
pm->Map[i] = val;
- pm->Map8[i] = (GLint) (val * 255.0F);
}
}
}
* Convenience wrapper for _mesa_validate_pbo_access() for gl[Get]PixelMap().
*/
static GLboolean
-validate_pbo_access(GLcontext *ctx, struct gl_pixelstore_attrib *pack,
- GLsizei mapsize, GLenum format, GLenum type,
+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 */
- ctx->DefaultPacking.BufferObj = pack->BufferObj;
+ _mesa_reference_buffer_object(ctx,
+ &ctx->DefaultPacking.BufferObj,
+ pack->BufferObj);
ok = _mesa_validate_pbo_access(1, &ctx->DefaultPacking, mapsize, 1, 1,
- format, type, ptr);
+ format, type, clientMemSize, ptr);
/* restore */
- ctx->DefaultPacking.BufferObj = ctx->Shared->NullBufferObj;
+ _mesa_reference_buffer_object(ctx,
+ &ctx->DefaultPacking.BufferObj,
+ ctx->Shared->NullBufferObj);
if (!ok) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glPixelMap(invalid PBO access)");
+ 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
+void GLAPIENTRY
_mesa_PixelMapfv( GLenum map, GLsizei mapsize, const GLfloat *values )
{
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
/* XXX someday, test against ctx->Const.MaxPixelMapTableSize */
if (mapsize < 1 || mapsize > MAX_PIXEL_MAP_TABLE) {
FLUSH_VERTICES(ctx, _NEW_PIXEL);
- if (!validate_pbo_access(ctx, &ctx->Unpack, mapsize,
- GL_INTENSITY, GL_FLOAT, values)) {
+ if (!validate_pbo_access(ctx, &ctx->Unpack, mapsize, GL_INTENSITY,
+ GL_FLOAT, INT_MAX, values)) {
return;
}
}
-static void GLAPIENTRY
+void GLAPIENTRY
_mesa_PixelMapuiv(GLenum map, GLsizei mapsize, const GLuint *values )
{
GLfloat fvalues[MAX_PIXEL_MAP_TABLE];
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
if (mapsize < 1 || mapsize > MAX_PIXEL_MAP_TABLE) {
_mesa_error( ctx, GL_INVALID_VALUE, "glPixelMapuiv(mapsize)" );
FLUSH_VERTICES(ctx, _NEW_PIXEL);
- if (!validate_pbo_access(ctx, &ctx->Unpack, mapsize,
- GL_INTENSITY, GL_UNSIGNED_INT, values)) {
+ if (!validate_pbo_access(ctx, &ctx->Unpack, mapsize, GL_INTENSITY,
+ GL_UNSIGNED_INT, INT_MAX, values)) {
return;
}
}
-static void GLAPIENTRY
+void GLAPIENTRY
_mesa_PixelMapusv(GLenum map, GLsizei mapsize, const GLushort *values )
{
GLfloat fvalues[MAX_PIXEL_MAP_TABLE];
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
if (mapsize < 1 || mapsize > MAX_PIXEL_MAP_TABLE) {
_mesa_error( ctx, GL_INVALID_VALUE, "glPixelMapusv(mapsize)" );
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_is_pow_two(mapsize)) {
- _mesa_error( ctx, GL_INVALID_VALUE, "glPixelMapuiv(mapsize)" );
+ _mesa_error( ctx, GL_INVALID_VALUE, "glPixelMapusv(mapsize)" );
return;
}
}
FLUSH_VERTICES(ctx, _NEW_PIXEL);
- if (!validate_pbo_access(ctx, &ctx->Unpack, mapsize,
- GL_INTENSITY, GL_UNSIGNED_SHORT, values)) {
+ if (!validate_pbo_access(ctx, &ctx->Unpack, mapsize, GL_INTENSITY,
+ GL_UNSIGNED_SHORT, INT_MAX, values)) {
return;
}
}
-static void GLAPIENTRY
-_mesa_GetPixelMapfv( GLenum map, GLfloat *values )
+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);
-
pm = get_pixelmap(ctx, map);
if (!pm) {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetPixelMapfv(map)");
mapsize = pm->Size;
- if (!validate_pbo_access(ctx, &ctx->Pack, mapsize,
- GL_INTENSITY, GL_FLOAT, values)) {
+ if (!validate_pbo_access(ctx, &ctx->Pack, mapsize, GL_INTENSITY,
+ GL_FLOAT, bufSize, values)) {
return;
}
}
}
else {
- MEMCPY(values, pm->Map, mapsize * sizeof(GLfloat));
+ memcpy(values, pm->Map, mapsize * sizeof(GLfloat));
}
_mesa_unmap_pbo_dest(ctx, &ctx->Pack);
}
-static void GLAPIENTRY
-_mesa_GetPixelMapuiv( GLenum map, GLuint *values )
+void GLAPIENTRY
+_mesa_GetPixelMapfv( GLenum map, GLfloat *values )
+{
+ _mesa_GetnPixelMapfvARB(map, INT_MAX, values);
+}
+
+void GLAPIENTRY
+_mesa_GetnPixelMapuivARB( GLenum map, GLsizei bufSize, GLuint *values )
{
GET_CURRENT_CONTEXT(ctx);
GLint mapsize, i;
const struct gl_pixelmap *pm;
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
pm = get_pixelmap(ctx, map);
if (!pm) {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetPixelMapuiv(map)");
return;
}
+
mapsize = pm->Size;
- if (!validate_pbo_access(ctx, &ctx->Pack, mapsize,
- GL_INTENSITY, GL_UNSIGNED_INT, values)) {
+ if (!validate_pbo_access(ctx, &ctx->Pack, mapsize, GL_INTENSITY,
+ GL_UNSIGNED_INT, bufSize, 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++) {
}
-static void GLAPIENTRY
-_mesa_GetPixelMapusv( GLenum map, GLushort *values )
+void GLAPIENTRY
+_mesa_GetPixelMapuiv( GLenum map, GLuint *values )
+{
+ _mesa_GetnPixelMapuivARB(map, INT_MAX, values);
+}
+
+void GLAPIENTRY
+_mesa_GetnPixelMapusvARB( GLenum map, GLsizei bufSize, GLushort *values )
{
GET_CURRENT_CONTEXT(ctx);
GLint mapsize, i;
const struct gl_pixelmap *pm;
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
pm = get_pixelmap(ctx, map);
if (!pm) {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetPixelMapusv(map)");
return;
}
- mapsize = pm ? pm->Size : 0;
- if (!validate_pbo_access(ctx, &ctx->Pack, mapsize,
- GL_INTENSITY, GL_UNSIGNED_SHORT, values)) {
+ mapsize = pm->Size;
+
+ if (!validate_pbo_access(ctx, &ctx->Pack, mapsize, GL_INTENSITY,
+ GL_UNSIGNED_SHORT, bufSize, values)) {
return;
}
/* special cases */
case GL_PIXEL_MAP_I_TO_I:
for (i = 0; i < mapsize; i++) {
- values[i] = (GLushort) CLAMP(ctx->PixelMaps.ItoI.Map[i], 0.0, 65535.);
+ values[i] = (GLushort) CLAMP(ctx->PixelMaps.ItoI.Map[i], 0.0F, 65535.0F);
}
break;
case GL_PIXEL_MAP_S_TO_S:
for (i = 0; i < mapsize; i++) {
- values[i] = (GLushort) CLAMP(ctx->PixelMaps.StoS.Map[i], 0.0, 65535.);
+ values[i] = (GLushort) CLAMP(ctx->PixelMaps.StoS.Map[i], 0.0F, 65535.0F);
}
break;
default:
}
+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.
*/
-static void GLAPIENTRY
+void GLAPIENTRY
_mesa_PixelTransferf( GLenum pname, GLfloat param )
{
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
switch (pname) {
case GL_MAP_COLOR:
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;
}
-static void GLAPIENTRY
+void GLAPIENTRY
_mesa_PixelTransferi( GLenum pname, GLint param )
{
_mesa_PixelTransferf( pname, (GLfloat) param );
/***** State Management *****/
/**********************************************************************/
-/*
- * Return a bitmask of IMAGE_*_BIT flags which to indicate which
- * pixel transfer operations are enabled.
+
+/**
+ * Update mesa pixel transfer derived state to indicate which operations are
+ * enabled.
*/
-static void
-update_image_transfer_state(GLcontext *ctx)
+void
+_mesa_update_pixel( 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;
}
-/**
- * Update mesa pixel transfer derived state.
- */
-void _mesa_update_pixel( GLcontext *ctx, GLuint new_state )
-{
- if (new_state & _NEW_COLOR_MATRIX)
- _math_matrix_analyse( ctx->ColorMatrixStack.Top );
-
- /* References ColorMatrix.type (derived above).
- */
- if (new_state & _MESA_NEW_TRANSFER_STATE)
- 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);
-}
-
-
-#endif /* FEATURE_pixel_transfer */
-
-
/**********************************************************************/
/***** Initialization *****/
/**********************************************************************/
{
map->Size = 1;
map->Map[0] = 0.0;
- map->Map8[0] = 0;
}
* 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);
if (ctx->Visual.doubleBufferMode) {
ctx->Pixel.ReadBuffer = GL_BACK;
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