/*
* 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.
*/
* Pixel transfer functions (glPixelZoom, glPixelMap, glPixelTransfer)
*/
+#include "c99_math.h"
#include "glheader.h"
#include "bufferobj.h"
-#include "colormac.h"
#include "context.h"
#include "macros.h"
#include "pixel.h"
+#include "pbo.h"
#include "mtypes.h"
-#include "main/dispatch.h"
-
-
-#if FEATURE_pixel_transfer
/**********************************************************************/
/***** glPixelZoom *****/
/**********************************************************************/
-static void GLAPIENTRY
+void GLAPIENTRY
_mesa_PixelZoom( GLfloat xfactor, GLfloat yfactor )
{
GET_CURRENT_CONTEXT(ctx);
/* special case */
ctx->PixelMaps.StoS.Size = mapsize;
for (i = 0; i < mapsize; i++) {
- ctx->PixelMaps.StoS.Map[i] = (GLfloat)IROUND(values[i]);
+ ctx->PixelMaps.StoS.Map[i] = roundf(values[i]);
}
break;
case GL_PIXEL_MAP_I_TO_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(struct gl_context *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;
pack->BufferObj);
ok = _mesa_validate_pbo_access(1, &ctx->DefaultPacking, mapsize, 1, 1,
- format, type, ptr);
+ format, type, clientMemSize, ptr);
/* restore */
_mesa_reference_buffer_object(ctx,
- &ctx->DefaultPacking.BufferObj,
- ctx->Shared->NullBufferObj);
+ &ctx->DefaultPacking.BufferObj, NULL);
if (!ok) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glPixelMap(invalid PBO access)");
+ if (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) {
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)) {
+ if (!util_is_power_of_two_or_zero(mapsize)) {
_mesa_error( ctx, GL_INVALID_VALUE, "glPixelMapfv(mapsize)" );
return;
}
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;
}
values = (const GLfloat *) _mesa_map_pbo_source(ctx, &ctx->Unpack, values);
if (!values) {
- if (_mesa_is_bufferobj(ctx->Unpack.BufferObj)) {
+ if (ctx->Unpack.BufferObj) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glPixelMapfv(PBO is mapped)");
}
}
-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)" );
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)) {
+ if (!util_is_power_of_two_or_zero(mapsize)) {
_mesa_error( ctx, GL_INVALID_VALUE, "glPixelMapuiv(mapsize)" );
return;
}
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;
}
values = (const GLuint *) _mesa_map_pbo_source(ctx, &ctx->Unpack, values);
if (!values) {
- if (_mesa_is_bufferobj(ctx->Unpack.BufferObj)) {
+ if (ctx->Unpack.BufferObj) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glPixelMapuiv(PBO is mapped)");
}
}
-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)" );
+ if (!util_is_power_of_two_or_zero(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;
}
values = (const GLushort *) _mesa_map_pbo_source(ctx, &ctx->Unpack, values);
if (!values) {
- if (_mesa_is_bufferobj(ctx->Unpack.BufferObj)) {
+ if (ctx->Unpack.BufferObj) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glPixelMapusv(PBO is mapped)");
}
}
-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;
}
values = (GLfloat *) _mesa_map_pbo_dest(ctx, &ctx->Pack, values);
if (!values) {
- if (_mesa_is_bufferobj(ctx->Pack.BufferObj)) {
+ if (ctx->Pack.BufferObj) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glGetPixelMapfv(PBO is mapped)");
}
}
-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;
}
values = (GLuint *) _mesa_map_pbo_dest(ctx, &ctx->Pack, values);
if (!values) {
- if (_mesa_is_bufferobj(ctx->Pack.BufferObj)) {
+ if (ctx->Pack.BufferObj) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glGetPixelMapuiv(PBO is mapped)");
}
}
-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->Size;
- if (!validate_pbo_access(ctx, &ctx->Pack, mapsize,
- GL_INTENSITY, GL_UNSIGNED_SHORT, values)) {
+ 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)) {
+ if (ctx->Pack.BufferObj) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glGetPixelMapusv(PBO is mapped)");
}
/* 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:
}
-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(struct gl_context *ctx)
+void
+_mesa_update_pixel( struct gl_context *ctx )
{
GLuint mask = 0;
}
-/**
- * Update mesa pixel transfer derived state.
- */
-void _mesa_update_pixel( struct gl_context *ctx, GLuint new_state )
-{
- 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;
}
init_pixelmap(&ctx->PixelMaps.GtoG);
init_pixelmap(&ctx->PixelMaps.BtoB);
init_pixelmap(&ctx->PixelMaps.AtoA);
- /* 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;