*/
#include "glheader.h"
-#include "imports.h"
-#include "dlopen.h"
+#include "util/imports.h"
#include "image.h"
#include "macros.h"
#include "mtypes.h"
#include "texcompress.h"
#include "texcompress_s3tc.h"
+#include "texcompress_s3tc_tmp.h"
#include "texstore.h"
#include "format_unpack.h"
#include "util/format_srgb.h"
-#if defined(_WIN32) || defined(WIN32)
-#define DXTN_LIBNAME "dxtn.dll"
-#define RTLD_LAZY 0
-#define RTLD_GLOBAL 0
-#else
-#define DXTN_LIBNAME "libtxc_dxtn.so"
-#endif
-
-typedef void (*dxtFetchTexelFuncExt)( GLint srcRowstride, const GLubyte *pixdata, GLint col, GLint row, GLvoid *texelOut );
-
-static dxtFetchTexelFuncExt fetch_ext_rgb_dxt1 = NULL;
-static dxtFetchTexelFuncExt fetch_ext_rgba_dxt1 = NULL;
-static dxtFetchTexelFuncExt fetch_ext_rgba_dxt3 = NULL;
-static dxtFetchTexelFuncExt fetch_ext_rgba_dxt5 = NULL;
-
-typedef void (*dxtCompressTexFuncExt)(GLint srccomps, GLint width,
- GLint height, const GLubyte *srcPixData,
- GLenum destformat, GLubyte *dest,
- GLint dstRowStride);
-
-static dxtCompressTexFuncExt ext_tx_compress_dxtn = NULL;
-
-static void *dxtlibhandle = NULL;
-
-
-void
-_mesa_init_texture_s3tc( struct gl_context *ctx )
-{
- /* called during context initialization */
- ctx->Mesa_DXTn = GL_FALSE;
- if (!dxtlibhandle) {
- dxtlibhandle = _mesa_dlopen(DXTN_LIBNAME, 0);
- if (!dxtlibhandle) {
- _mesa_warning(ctx, "couldn't open " DXTN_LIBNAME ", software DXTn "
- "compression/decompression unavailable");
- }
- else {
- /* the fetch functions are not per context! Might be problematic... */
- fetch_ext_rgb_dxt1 = (dxtFetchTexelFuncExt)
- _mesa_dlsym(dxtlibhandle, "fetch_2d_texel_rgb_dxt1");
- fetch_ext_rgba_dxt1 = (dxtFetchTexelFuncExt)
- _mesa_dlsym(dxtlibhandle, "fetch_2d_texel_rgba_dxt1");
- fetch_ext_rgba_dxt3 = (dxtFetchTexelFuncExt)
- _mesa_dlsym(dxtlibhandle, "fetch_2d_texel_rgba_dxt3");
- fetch_ext_rgba_dxt5 = (dxtFetchTexelFuncExt)
- _mesa_dlsym(dxtlibhandle, "fetch_2d_texel_rgba_dxt5");
- ext_tx_compress_dxtn = (dxtCompressTexFuncExt)
- _mesa_dlsym(dxtlibhandle, "tx_compress_dxtn");
-
- if (!fetch_ext_rgb_dxt1 ||
- !fetch_ext_rgba_dxt1 ||
- !fetch_ext_rgba_dxt3 ||
- !fetch_ext_rgba_dxt5 ||
- !ext_tx_compress_dxtn) {
- _mesa_warning(ctx, "couldn't reference all symbols in "
- DXTN_LIBNAME ", software DXTn compression/decompression "
- "unavailable");
- fetch_ext_rgb_dxt1 = NULL;
- fetch_ext_rgba_dxt1 = NULL;
- fetch_ext_rgba_dxt3 = NULL;
- fetch_ext_rgba_dxt5 = NULL;
- ext_tx_compress_dxtn = NULL;
- _mesa_dlclose(dxtlibhandle);
- dxtlibhandle = NULL;
- }
- }
- }
- if (dxtlibhandle) {
- ctx->Mesa_DXTn = GL_TRUE;
- }
-}
-
/**
* Store user's image in rgb_dxt1 format.
*/
dst = dstSlices[0];
- if (ext_tx_compress_dxtn) {
- (*ext_tx_compress_dxtn)(3, srcWidth, srcHeight, pixels,
- GL_COMPRESSED_RGB_S3TC_DXT1_EXT,
- dst, dstRowStride);
- }
- else {
- _mesa_warning(ctx, "external dxt library not available: texstore_rgb_dxt1");
- }
+ tx_compress_dxtn(3, srcWidth, srcHeight, pixels,
+ GL_COMPRESSED_RGB_S3TC_DXT1_EXT,
+ dst, dstRowStride);
free((void *) tempImage);
tempImageSlices[0] = (GLubyte *) tempImage;
_mesa_texstore(ctx, dims,
baseInternalFormat,
- _mesa_little_endian() ? MESA_FORMAT_R8G8B8A8_UNORM
- : MESA_FORMAT_A8B8G8R8_UNORM,
+#if UTIL_ARCH_LITTLE_ENDIAN
+ MESA_FORMAT_R8G8B8A8_UNORM,
+#else
+ MESA_FORMAT_A8B8G8R8_UNORM,
+#endif
rgbaRowStride, tempImageSlices,
srcWidth, srcHeight, srcDepth,
srcFormat, srcType, srcAddr,
dst = dstSlices[0];
- if (ext_tx_compress_dxtn) {
- (*ext_tx_compress_dxtn)(4, srcWidth, srcHeight, pixels,
- GL_COMPRESSED_RGBA_S3TC_DXT1_EXT,
- dst, dstRowStride);
- }
- else {
- _mesa_warning(ctx, "external dxt library not available: texstore_rgba_dxt1");
- }
+ tx_compress_dxtn(4, srcWidth, srcHeight, pixels,
+ GL_COMPRESSED_RGBA_S3TC_DXT1_EXT,
+ dst, dstRowStride);
free((void*) tempImage);
tempImageSlices[0] = (GLubyte *) tempImage;
_mesa_texstore(ctx, dims,
baseInternalFormat,
- _mesa_little_endian() ? MESA_FORMAT_R8G8B8A8_UNORM
- : MESA_FORMAT_A8B8G8R8_UNORM,
+#if UTIL_ARCH_LITTLE_ENDIAN
+ MESA_FORMAT_R8G8B8A8_UNORM,
+#else
+ MESA_FORMAT_A8B8G8R8_UNORM,
+#endif
rgbaRowStride, tempImageSlices,
srcWidth, srcHeight, srcDepth,
srcFormat, srcType, srcAddr,
dst = dstSlices[0];
- if (ext_tx_compress_dxtn) {
- (*ext_tx_compress_dxtn)(4, srcWidth, srcHeight, pixels,
- GL_COMPRESSED_RGBA_S3TC_DXT3_EXT,
- dst, dstRowStride);
- }
- else {
- _mesa_warning(ctx, "external dxt library not available: texstore_rgba_dxt3");
- }
+ tx_compress_dxtn(4, srcWidth, srcHeight, pixels,
+ GL_COMPRESSED_RGBA_S3TC_DXT3_EXT,
+ dst, dstRowStride);
free((void *) tempImage);
tempImageSlices[0] = (GLubyte *) tempImage;
_mesa_texstore(ctx, dims,
baseInternalFormat,
- _mesa_little_endian() ? MESA_FORMAT_R8G8B8A8_UNORM
- : MESA_FORMAT_A8B8G8R8_UNORM,
+#if UTIL_ARCH_LITTLE_ENDIAN
+ MESA_FORMAT_R8G8B8A8_UNORM,
+#else
+ MESA_FORMAT_A8B8G8R8_UNORM,
+#endif
rgbaRowStride, tempImageSlices,
srcWidth, srcHeight, srcDepth,
srcFormat, srcType, srcAddr,
dst = dstSlices[0];
- if (ext_tx_compress_dxtn) {
- (*ext_tx_compress_dxtn)(4, srcWidth, srcHeight, pixels,
- GL_COMPRESSED_RGBA_S3TC_DXT5_EXT,
- dst, dstRowStride);
- }
- else {
- _mesa_warning(ctx, "external dxt library not available: texstore_rgba_dxt5");
- }
+ tx_compress_dxtn(4, srcWidth, srcHeight, pixels,
+ GL_COMPRESSED_RGBA_S3TC_DXT5_EXT,
+ dst, dstRowStride);
free((void *) tempImage);
}
-/** Report problem with dxt texture decompression, once */
-static void
-problem(const char *func)
-{
- static GLboolean warned = GL_FALSE;
- if (!warned) {
- _mesa_debug(NULL, "attempted to decode DXT texture without "
- "library available: %s\n", func);
- warned = GL_TRUE;
- }
-}
-
-
static void
fetch_rgb_dxt1(const GLubyte *map,
GLint rowStride, GLint i, GLint j, GLfloat *texel)
{
- if (fetch_ext_rgb_dxt1) {
- GLubyte tex[4];
- fetch_ext_rgb_dxt1(rowStride, map, i, j, tex);
- texel[RCOMP] = UBYTE_TO_FLOAT(tex[RCOMP]);
- texel[GCOMP] = UBYTE_TO_FLOAT(tex[GCOMP]);
- texel[BCOMP] = UBYTE_TO_FLOAT(tex[BCOMP]);
- texel[ACOMP] = UBYTE_TO_FLOAT(tex[ACOMP]);
- }
- else {
- problem("rgb_dxt1");
- }
+ GLubyte tex[4];
+ fetch_2d_texel_rgb_dxt1(rowStride, map, i, j, tex);
+ texel[RCOMP] = UBYTE_TO_FLOAT(tex[RCOMP]);
+ texel[GCOMP] = UBYTE_TO_FLOAT(tex[GCOMP]);
+ texel[BCOMP] = UBYTE_TO_FLOAT(tex[BCOMP]);
+ texel[ACOMP] = UBYTE_TO_FLOAT(tex[ACOMP]);
}
static void
fetch_rgba_dxt1(const GLubyte *map,
GLint rowStride, GLint i, GLint j, GLfloat *texel)
{
- if (fetch_ext_rgba_dxt1) {
- GLubyte tex[4];
- fetch_ext_rgba_dxt1(rowStride, map, i, j, tex);
- texel[RCOMP] = UBYTE_TO_FLOAT(tex[RCOMP]);
- texel[GCOMP] = UBYTE_TO_FLOAT(tex[GCOMP]);
- texel[BCOMP] = UBYTE_TO_FLOAT(tex[BCOMP]);
- texel[ACOMP] = UBYTE_TO_FLOAT(tex[ACOMP]);
- }
- else {
- problem("rgba_dxt1");
- }
+ GLubyte tex[4];
+ fetch_2d_texel_rgba_dxt1(rowStride, map, i, j, tex);
+ texel[RCOMP] = UBYTE_TO_FLOAT(tex[RCOMP]);
+ texel[GCOMP] = UBYTE_TO_FLOAT(tex[GCOMP]);
+ texel[BCOMP] = UBYTE_TO_FLOAT(tex[BCOMP]);
+ texel[ACOMP] = UBYTE_TO_FLOAT(tex[ACOMP]);
}
static void
fetch_rgba_dxt3(const GLubyte *map,
GLint rowStride, GLint i, GLint j, GLfloat *texel)
{
- if (fetch_ext_rgba_dxt3) {
- GLubyte tex[4];
- fetch_ext_rgba_dxt3(rowStride, map, i, j, tex);
- texel[RCOMP] = UBYTE_TO_FLOAT(tex[RCOMP]);
- texel[GCOMP] = UBYTE_TO_FLOAT(tex[GCOMP]);
- texel[BCOMP] = UBYTE_TO_FLOAT(tex[BCOMP]);
- texel[ACOMP] = UBYTE_TO_FLOAT(tex[ACOMP]);
- }
- else {
- problem("rgba_dxt3");
- }
+ GLubyte tex[4];
+ fetch_2d_texel_rgba_dxt3(rowStride, map, i, j, tex);
+ texel[RCOMP] = UBYTE_TO_FLOAT(tex[RCOMP]);
+ texel[GCOMP] = UBYTE_TO_FLOAT(tex[GCOMP]);
+ texel[BCOMP] = UBYTE_TO_FLOAT(tex[BCOMP]);
+ texel[ACOMP] = UBYTE_TO_FLOAT(tex[ACOMP]);
}
static void
fetch_rgba_dxt5(const GLubyte *map,
GLint rowStride, GLint i, GLint j, GLfloat *texel)
{
- if (fetch_ext_rgba_dxt5) {
- GLubyte tex[4];
- fetch_ext_rgba_dxt5(rowStride, map, i, j, tex);
- texel[RCOMP] = UBYTE_TO_FLOAT(tex[RCOMP]);
- texel[GCOMP] = UBYTE_TO_FLOAT(tex[GCOMP]);
- texel[BCOMP] = UBYTE_TO_FLOAT(tex[BCOMP]);
- texel[ACOMP] = UBYTE_TO_FLOAT(tex[ACOMP]);
- }
- else {
- problem("rgba_dxt5");
- }
+ GLubyte tex[4];
+ fetch_2d_texel_rgba_dxt5(rowStride, map, i, j, tex);
+ texel[RCOMP] = UBYTE_TO_FLOAT(tex[RCOMP]);
+ texel[GCOMP] = UBYTE_TO_FLOAT(tex[GCOMP]);
+ texel[BCOMP] = UBYTE_TO_FLOAT(tex[BCOMP]);
+ texel[ACOMP] = UBYTE_TO_FLOAT(tex[ACOMP]);
}
fetch_srgb_dxt1(const GLubyte *map,
GLint rowStride, GLint i, GLint j, GLfloat *texel)
{
- if (fetch_ext_rgb_dxt1) {
- GLubyte tex[4];
- fetch_ext_rgb_dxt1(rowStride, map, i, j, tex);
- texel[RCOMP] = util_format_srgb_8unorm_to_linear_float(tex[RCOMP]);
- texel[GCOMP] = util_format_srgb_8unorm_to_linear_float(tex[GCOMP]);
- texel[BCOMP] = util_format_srgb_8unorm_to_linear_float(tex[BCOMP]);
- texel[ACOMP] = UBYTE_TO_FLOAT(tex[ACOMP]);
- }
- else {
- problem("srgb_dxt1");
- }
+ GLubyte tex[4];
+ fetch_2d_texel_rgb_dxt1(rowStride, map, i, j, tex);
+ texel[RCOMP] = util_format_srgb_8unorm_to_linear_float(tex[RCOMP]);
+ texel[GCOMP] = util_format_srgb_8unorm_to_linear_float(tex[GCOMP]);
+ texel[BCOMP] = util_format_srgb_8unorm_to_linear_float(tex[BCOMP]);
+ texel[ACOMP] = UBYTE_TO_FLOAT(tex[ACOMP]);
}
static void
fetch_srgba_dxt1(const GLubyte *map,
GLint rowStride, GLint i, GLint j, GLfloat *texel)
{
- if (fetch_ext_rgba_dxt1) {
- GLubyte tex[4];
- fetch_ext_rgba_dxt1(rowStride, map, i, j, tex);
- texel[RCOMP] = util_format_srgb_8unorm_to_linear_float(tex[RCOMP]);
- texel[GCOMP] = util_format_srgb_8unorm_to_linear_float(tex[GCOMP]);
- texel[BCOMP] = util_format_srgb_8unorm_to_linear_float(tex[BCOMP]);
- texel[ACOMP] = UBYTE_TO_FLOAT(tex[ACOMP]);
- }
- else {
- problem("srgba_dxt1");
- }
+ GLubyte tex[4];
+ fetch_2d_texel_rgba_dxt1(rowStride, map, i, j, tex);
+ texel[RCOMP] = util_format_srgb_8unorm_to_linear_float(tex[RCOMP]);
+ texel[GCOMP] = util_format_srgb_8unorm_to_linear_float(tex[GCOMP]);
+ texel[BCOMP] = util_format_srgb_8unorm_to_linear_float(tex[BCOMP]);
+ texel[ACOMP] = UBYTE_TO_FLOAT(tex[ACOMP]);
}
static void
fetch_srgba_dxt3(const GLubyte *map,
GLint rowStride, GLint i, GLint j, GLfloat *texel)
{
- if (fetch_ext_rgba_dxt3) {
- GLubyte tex[4];
- fetch_ext_rgba_dxt3(rowStride, map, i, j, tex);
- texel[RCOMP] = util_format_srgb_8unorm_to_linear_float(tex[RCOMP]);
- texel[GCOMP] = util_format_srgb_8unorm_to_linear_float(tex[GCOMP]);
- texel[BCOMP] = util_format_srgb_8unorm_to_linear_float(tex[BCOMP]);
- texel[ACOMP] = UBYTE_TO_FLOAT(tex[ACOMP]);
- }
- else {
- problem("srgba_dxt3");
- }
+ GLubyte tex[4];
+ fetch_2d_texel_rgba_dxt3(rowStride, map, i, j, tex);
+ texel[RCOMP] = util_format_srgb_8unorm_to_linear_float(tex[RCOMP]);
+ texel[GCOMP] = util_format_srgb_8unorm_to_linear_float(tex[GCOMP]);
+ texel[BCOMP] = util_format_srgb_8unorm_to_linear_float(tex[BCOMP]);
+ texel[ACOMP] = UBYTE_TO_FLOAT(tex[ACOMP]);
}
static void
fetch_srgba_dxt5(const GLubyte *map,
GLint rowStride, GLint i, GLint j, GLfloat *texel)
{
- if (fetch_ext_rgba_dxt5) {
- GLubyte tex[4];
- fetch_ext_rgba_dxt5(rowStride, map, i, j, tex);
- texel[RCOMP] = util_format_srgb_8unorm_to_linear_float(tex[RCOMP]);
- texel[GCOMP] = util_format_srgb_8unorm_to_linear_float(tex[GCOMP]);
- texel[BCOMP] = util_format_srgb_8unorm_to_linear_float(tex[BCOMP]);
- texel[ACOMP] = UBYTE_TO_FLOAT(tex[ACOMP]);
- }
- else {
- problem("srgba_dxt5");
- }
+ GLubyte tex[4];
+ fetch_2d_texel_rgba_dxt5(rowStride, map, i, j, tex);
+ texel[RCOMP] = util_format_srgb_8unorm_to_linear_float(tex[RCOMP]);
+ texel[GCOMP] = util_format_srgb_8unorm_to_linear_float(tex[GCOMP]);
+ texel[BCOMP] = util_format_srgb_8unorm_to_linear_float(tex[BCOMP]);
+ texel[ACOMP] = UBYTE_TO_FLOAT(tex[ACOMP]);
}