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-rw-r--r--src/mesa/main/texcompress_s3tc.c117
1 files changed, 25 insertions, 92 deletions
diff --git a/src/mesa/main/texcompress_s3tc.c b/src/mesa/main/texcompress_s3tc.c
index e08ed23d3af..e74e4c402ae 100644
--- a/src/mesa/main/texcompress_s3tc.c
+++ b/src/mesa/main/texcompress_s3tc.c
@@ -43,78 +43,11 @@
#include "util/format_srgb.h"
-#if defined(_WIN32) || defined(WIN32)
-#define DXTN_LIBNAME "dxtn.dll"
-#define RTLD_LAZY 0
-#define RTLD_GLOBAL 0
-#elif defined(__CYGWIN__)
-#define DXTN_LIBNAME "cygtxc_dxtn.dll"
-#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;
- }
+ ctx->Mesa_DXTn = GL_TRUE;
}
/**
@@ -159,8 +92,8 @@ _mesa_texstore_rgb_dxt1(TEXSTORE_PARAMS)
dst = dstSlices[0];
- if (ext_tx_compress_dxtn) {
- (*ext_tx_compress_dxtn)(3, srcWidth, srcHeight, pixels,
+ if (tx_compress_dxtn) {
+ (*tx_compress_dxtn)(3, srcWidth, srcHeight, pixels,
GL_COMPRESSED_RGB_S3TC_DXT1_EXT,
dst, dstRowStride);
}
@@ -217,8 +150,8 @@ _mesa_texstore_rgba_dxt1(TEXSTORE_PARAMS)
dst = dstSlices[0];
- if (ext_tx_compress_dxtn) {
- (*ext_tx_compress_dxtn)(4, srcWidth, srcHeight, pixels,
+ if (tx_compress_dxtn) {
+ (*tx_compress_dxtn)(4, srcWidth, srcHeight, pixels,
GL_COMPRESSED_RGBA_S3TC_DXT1_EXT,
dst, dstRowStride);
}
@@ -274,8 +207,8 @@ _mesa_texstore_rgba_dxt3(TEXSTORE_PARAMS)
dst = dstSlices[0];
- if (ext_tx_compress_dxtn) {
- (*ext_tx_compress_dxtn)(4, srcWidth, srcHeight, pixels,
+ if (tx_compress_dxtn) {
+ (*tx_compress_dxtn)(4, srcWidth, srcHeight, pixels,
GL_COMPRESSED_RGBA_S3TC_DXT3_EXT,
dst, dstRowStride);
}
@@ -331,8 +264,8 @@ _mesa_texstore_rgba_dxt5(TEXSTORE_PARAMS)
dst = dstSlices[0];
- if (ext_tx_compress_dxtn) {
- (*ext_tx_compress_dxtn)(4, srcWidth, srcHeight, pixels,
+ if (tx_compress_dxtn) {
+ (*tx_compress_dxtn)(4, srcWidth, srcHeight, pixels,
GL_COMPRESSED_RGBA_S3TC_DXT5_EXT,
dst, dstRowStride);
}
@@ -363,9 +296,9 @@ static void
fetch_rgb_dxt1(const GLubyte *map,
GLint rowStride, GLint i, GLint j, GLfloat *texel)
{
- if (fetch_ext_rgb_dxt1) {
+ if (fetch_2d_texel_rgb_dxt1) {
GLubyte tex[4];
- fetch_ext_rgb_dxt1(rowStride, map, i, j, tex);
+ 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]);
@@ -380,9 +313,9 @@ static void
fetch_rgba_dxt1(const GLubyte *map,
GLint rowStride, GLint i, GLint j, GLfloat *texel)
{
- if (fetch_ext_rgba_dxt1) {
+ if (fetch_2d_texel_rgba_dxt1) {
GLubyte tex[4];
- fetch_ext_rgba_dxt1(rowStride, map, i, j, tex);
+ 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]);
@@ -397,9 +330,9 @@ static void
fetch_rgba_dxt3(const GLubyte *map,
GLint rowStride, GLint i, GLint j, GLfloat *texel)
{
- if (fetch_ext_rgba_dxt3) {
+ if (fetch_2d_texel_rgba_dxt3) {
GLubyte tex[4];
- fetch_ext_rgba_dxt3(rowStride, map, i, j, tex);
+ 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]);
@@ -414,9 +347,9 @@ static void
fetch_rgba_dxt5(const GLubyte *map,
GLint rowStride, GLint i, GLint j, GLfloat *texel)
{
- if (fetch_ext_rgba_dxt5) {
+ if (fetch_2d_texel_rgba_dxt5) {
GLubyte tex[4];
- fetch_ext_rgba_dxt5(rowStride, map, i, j, tex);
+ 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]);
@@ -432,9 +365,9 @@ static void
fetch_srgb_dxt1(const GLubyte *map,
GLint rowStride, GLint i, GLint j, GLfloat *texel)
{
- if (fetch_ext_rgb_dxt1) {
+ if (fetch_2d_texel_rgb_dxt1) {
GLubyte tex[4];
- fetch_ext_rgb_dxt1(rowStride, map, i, j, tex);
+ 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]);
@@ -449,9 +382,9 @@ static void
fetch_srgba_dxt1(const GLubyte *map,
GLint rowStride, GLint i, GLint j, GLfloat *texel)
{
- if (fetch_ext_rgba_dxt1) {
+ if (fetch_2d_texel_rgba_dxt1) {
GLubyte tex[4];
- fetch_ext_rgba_dxt1(rowStride, map, i, j, tex);
+ 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]);
@@ -466,9 +399,9 @@ static void
fetch_srgba_dxt3(const GLubyte *map,
GLint rowStride, GLint i, GLint j, GLfloat *texel)
{
- if (fetch_ext_rgba_dxt3) {
+ if (fetch_2d_texel_rgba_dxt3) {
GLubyte tex[4];
- fetch_ext_rgba_dxt3(rowStride, map, i, j, tex);
+ 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]);
@@ -483,9 +416,9 @@ static void
fetch_srgba_dxt5(const GLubyte *map,
GLint rowStride, GLint i, GLint j, GLfloat *texel)
{
- if (fetch_ext_rgba_dxt5) {
+ if (fetch_2d_texel_rgba_dxt5) {
GLubyte tex[4];
- fetch_ext_rgba_dxt5(rowStride, map, i, j, tex);
+ 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]);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-24 14:46:20 +0000