* 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
+ * THE AUTHORS 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 "dlopen.h"
#include "image.h"
#include "macros.h"
-#include "mfeatures.h"
#include "mtypes.h"
#include "texcompress.h"
#include "texcompress_s3tc.h"
#include "texstore.h"
-#include "swrast/s_context.h"
#include "format_unpack.h"
}
-static void
-fetch_texel_2d_rgb_dxt1(const struct swrast_texture_image *texImage,
- GLint i, GLint j, GLint k, GLubyte *texel)
-{
- if (fetch_ext_rgb_dxt1) {
- GLint sliceOffset = k ? texImage->ImageOffsets[k] / 2 : 0;
- fetch_ext_rgb_dxt1(texImage->RowStride,
- texImage->Map + sliceOffset, i, j, texel);
- }
- else
- _mesa_debug(NULL, "attempted to decode s3tc texture without library available: fetch_texel_2d_rgb_dxt1");
-}
-
-
-void
-_mesa_fetch_texel_rgb_dxt1(const struct swrast_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel)
-{
- /* just sample as GLubyte and convert to float here */
- GLubyte rgba[4];
- fetch_texel_2d_rgb_dxt1(texImage, i, j, k, rgba);
- texel[RCOMP] = UBYTE_TO_FLOAT(rgba[RCOMP]);
- texel[GCOMP] = UBYTE_TO_FLOAT(rgba[GCOMP]);
- texel[BCOMP] = UBYTE_TO_FLOAT(rgba[BCOMP]);
- texel[ACOMP] = UBYTE_TO_FLOAT(rgba[ACOMP]);
-}
-
-
-static void
-fetch_texel_2d_rgba_dxt1(const struct swrast_texture_image *texImage,
- GLint i, GLint j, GLint k, GLubyte *texel)
-{
- if (fetch_ext_rgba_dxt1) {
- GLint sliceOffset = k ? texImage->ImageOffsets[k] / 2 : 0;
- fetch_ext_rgba_dxt1(texImage->RowStride,
- texImage->Map + sliceOffset, i, j, texel);
- }
- else
- _mesa_debug(NULL, "attempted to decode s3tc texture without library available: fetch_texel_2d_rgba_dxt1\n");
-}
-
-
-void
-_mesa_fetch_texel_rgba_dxt1(const struct swrast_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel)
-{
- /* just sample as GLubyte and convert to float here */
- GLubyte rgba[4];
- fetch_texel_2d_rgba_dxt1(texImage, i, j, k, rgba);
- texel[RCOMP] = UBYTE_TO_FLOAT(rgba[RCOMP]);
- texel[GCOMP] = UBYTE_TO_FLOAT(rgba[GCOMP]);
- texel[BCOMP] = UBYTE_TO_FLOAT(rgba[BCOMP]);
- texel[ACOMP] = UBYTE_TO_FLOAT(rgba[ACOMP]);
-}
-
-
-static void
-fetch_texel_2d_rgba_dxt3(const struct swrast_texture_image *texImage,
- GLint i, GLint j, GLint k, GLubyte *texel)
-{
- if (fetch_ext_rgba_dxt3) {
- GLint sliceOffset = k ? texImage->ImageOffsets[k] : 0;
- fetch_ext_rgba_dxt3(texImage->RowStride,
- texImage->Map + sliceOffset, i, j, texel);
- }
- else
- _mesa_debug(NULL, "attempted to decode s3tc texture without library available: fetch_texel_2d_rgba_dxt3\n");
-}
-
-
-void
-_mesa_fetch_texel_rgba_dxt3(const struct swrast_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel)
-{
- /* just sample as GLubyte and convert to float here */
- GLubyte rgba[4];
- fetch_texel_2d_rgba_dxt3(texImage, i, j, k, rgba);
- texel[RCOMP] = UBYTE_TO_FLOAT(rgba[RCOMP]);
- texel[GCOMP] = UBYTE_TO_FLOAT(rgba[GCOMP]);
- texel[BCOMP] = UBYTE_TO_FLOAT(rgba[BCOMP]);
- texel[ACOMP] = UBYTE_TO_FLOAT(rgba[ACOMP]);
-}
-
-
-static void
-fetch_texel_2d_rgba_dxt5(const struct swrast_texture_image *texImage,
- GLint i, GLint j, GLint k, GLubyte *texel)
-{
- if (fetch_ext_rgba_dxt5) {
- GLint sliceOffset = k ? texImage->ImageOffsets[k] : 0;
- fetch_ext_rgba_dxt5(texImage->RowStride,
- texImage->Map + sliceOffset, i, j, texel);
- }
- else
- _mesa_debug(NULL, "attempted to decode s3tc texture without library available: fetch_texel_2d_rgba_dxt5\n");
-}
-
-
-void
-_mesa_fetch_texel_rgba_dxt5(const struct swrast_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel)
-{
- /* just sample as GLubyte and convert to float here */
- GLubyte rgba[4];
- fetch_texel_2d_rgba_dxt5(texImage, i, j, k, rgba);
- texel[RCOMP] = UBYTE_TO_FLOAT(rgba[RCOMP]);
- texel[GCOMP] = UBYTE_TO_FLOAT(rgba[GCOMP]);
- texel[BCOMP] = UBYTE_TO_FLOAT(rgba[BCOMP]);
- texel[ACOMP] = UBYTE_TO_FLOAT(rgba[ACOMP]);
-}
-
-void
-_mesa_fetch_texel_srgb_dxt1(const struct swrast_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel)
-{
- /* just sample as GLubyte and convert to float here */
- GLubyte rgba[4];
- fetch_texel_2d_rgb_dxt1(texImage, i, j, k, rgba);
- texel[RCOMP] = _mesa_nonlinear_to_linear(rgba[RCOMP]);
- texel[GCOMP] = _mesa_nonlinear_to_linear(rgba[GCOMP]);
- texel[BCOMP] = _mesa_nonlinear_to_linear(rgba[BCOMP]);
- texel[ACOMP] = UBYTE_TO_FLOAT(rgba[ACOMP]);
-}
-
-void
-_mesa_fetch_texel_srgba_dxt1(const struct swrast_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel)
-{
- /* just sample as GLubyte and convert to float here */
- GLubyte rgba[4];
- fetch_texel_2d_rgba_dxt1(texImage, i, j, k, rgba);
- texel[RCOMP] = _mesa_nonlinear_to_linear(rgba[RCOMP]);
- texel[GCOMP] = _mesa_nonlinear_to_linear(rgba[GCOMP]);
- texel[BCOMP] = _mesa_nonlinear_to_linear(rgba[BCOMP]);
- texel[ACOMP] = UBYTE_TO_FLOAT(rgba[ACOMP]);
-}
-
-void
-_mesa_fetch_texel_srgba_dxt3(const struct swrast_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel)
-{
- /* just sample as GLubyte and convert to float here */
- GLubyte rgba[4];
- fetch_texel_2d_rgba_dxt3(texImage, i, j, k, rgba);
- texel[RCOMP] = _mesa_nonlinear_to_linear(rgba[RCOMP]);
- texel[GCOMP] = _mesa_nonlinear_to_linear(rgba[GCOMP]);
- texel[BCOMP] = _mesa_nonlinear_to_linear(rgba[BCOMP]);
- texel[ACOMP] = UBYTE_TO_FLOAT(rgba[ACOMP]);
-}
-
-void
-_mesa_fetch_texel_srgba_dxt5(const struct swrast_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel)
-{
- /* just sample as GLubyte and convert to float here */
- GLubyte rgba[4];
- fetch_texel_2d_rgba_dxt5(texImage, i, j, k, rgba);
- texel[RCOMP] = _mesa_nonlinear_to_linear(rgba[RCOMP]);
- texel[GCOMP] = _mesa_nonlinear_to_linear(rgba[GCOMP]);
- texel[BCOMP] = _mesa_nonlinear_to_linear(rgba[BCOMP]);
- texel[ACOMP] = UBYTE_TO_FLOAT(rgba[ACOMP]);
-}
-
-
/** Report problem with dxt texture decompression, once */
static void
problem(const char *func)
}
+static void
+fetch_srgb_dxt1(const GLubyte *map, const GLuint imageOffsets[],
+ GLint rowStride, GLint i, GLint j, GLint k, GLfloat *texel)
+{
+ if (fetch_ext_rgb_dxt1) {
+ GLuint sliceOffset = k ? imageOffsets[k] / 2 : 0;
+ GLubyte tex[4];
+ fetch_ext_rgb_dxt1(rowStride, map + sliceOffset, i, j, tex);
+ texel[RCOMP] = _mesa_nonlinear_to_linear(tex[RCOMP]);
+ texel[GCOMP] = _mesa_nonlinear_to_linear(tex[GCOMP]);
+ texel[BCOMP] = _mesa_nonlinear_to_linear(tex[BCOMP]);
+ texel[ACOMP] = UBYTE_TO_FLOAT(tex[ACOMP]);
+ }
+ else {
+ problem("srgb_dxt1");
+ }
+}
+
+static void
+fetch_srgba_dxt1(const GLubyte *map, const GLuint imageOffsets[],
+ GLint rowStride, GLint i, GLint j, GLint k, GLfloat *texel)
+{
+ if (fetch_ext_rgba_dxt1) {
+ GLuint sliceOffset = k ? imageOffsets[k] / 2 : 0;
+ GLubyte tex[4];
+ fetch_ext_rgba_dxt1(rowStride, map + sliceOffset, i, j, tex);
+ texel[RCOMP] = _mesa_nonlinear_to_linear(tex[RCOMP]);
+ texel[GCOMP] = _mesa_nonlinear_to_linear(tex[GCOMP]);
+ texel[BCOMP] = _mesa_nonlinear_to_linear(tex[BCOMP]);
+ texel[ACOMP] = UBYTE_TO_FLOAT(tex[ACOMP]);
+ }
+ else {
+ problem("srgba_dxt1");
+ }
+}
+
+static void
+fetch_srgba_dxt3(const GLubyte *map, const GLuint imageOffsets[],
+ GLint rowStride, GLint i, GLint j, GLint k, GLfloat *texel)
+{
+ if (fetch_ext_rgba_dxt3) {
+ GLuint sliceOffset = k ? imageOffsets[k] : 0;
+ GLubyte tex[4];
+ fetch_ext_rgba_dxt3(rowStride, map + sliceOffset, i, j, tex);
+ texel[RCOMP] = _mesa_nonlinear_to_linear(tex[RCOMP]);
+ texel[GCOMP] = _mesa_nonlinear_to_linear(tex[GCOMP]);
+ texel[BCOMP] = _mesa_nonlinear_to_linear(tex[BCOMP]);
+ texel[ACOMP] = UBYTE_TO_FLOAT(tex[ACOMP]);
+ }
+ else {
+ problem("srgba_dxt3");
+ }
+}
+
+static void
+fetch_srgba_dxt5(const GLubyte *map, const GLuint imageOffsets[],
+ GLint rowStride, GLint i, GLint j, GLint k, GLfloat *texel)
+{
+ if (fetch_ext_rgba_dxt5) {
+ GLuint sliceOffset = k ? imageOffsets[k] : 0;
+ GLubyte tex[4];
+ fetch_ext_rgba_dxt5(rowStride, map + sliceOffset, i, j, tex);
+ texel[RCOMP] = _mesa_nonlinear_to_linear(tex[RCOMP]);
+ texel[GCOMP] = _mesa_nonlinear_to_linear(tex[GCOMP]);
+ texel[BCOMP] = _mesa_nonlinear_to_linear(tex[BCOMP]);
+ texel[ACOMP] = UBYTE_TO_FLOAT(tex[ACOMP]);
+ }
+ else {
+ problem("srgba_dxt5");
+ }
+}
+
+
+
compressed_fetch_func
_mesa_get_dxt_fetch_func(gl_format format)
{
return fetch_rgba_dxt3;
case MESA_FORMAT_RGBA_DXT5:
return fetch_rgba_dxt5;
+ case MESA_FORMAT_SRGB_DXT1:
+ return fetch_srgb_dxt1;
+ case MESA_FORMAT_SRGBA_DXT1:
+ return fetch_srgba_dxt1;
+ case MESA_FORMAT_SRGBA_DXT3:
+ return fetch_srgba_dxt3;
+ case MESA_FORMAT_SRGBA_DXT5:
+ return fetch_srgba_dxt5;
default:
return NULL;
}
projects / mesa.git / blobdiff