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Diffstat (limited to 'mesalib/src/mesa/main/texcompress_s3tc.c')
-rw-r--r--mesalib/src/mesa/main/texcompress_s3tc.c297
1 files changed, 55 insertions, 242 deletions
diff --git a/mesalib/src/mesa/main/texcompress_s3tc.c b/mesalib/src/mesa/main/texcompress_s3tc.c
index a1c0f18f3..b271a539a 100644
--- a/mesalib/src/mesa/main/texcompress_s3tc.c
+++ b/mesalib/src/mesa/main/texcompress_s3tc.c
@@ -41,9 +41,13 @@
#include "dlopen.h"
#include "image.h"
#include "texcompress.h"
-#include "texformat.h"
+#include "texcompress_s3tc.h"
#include "texstore.h"
+
+#if FEATURE_texture_s3tc
+
+
#ifdef __MINGW32__
#define DXTN_LIBNAME "dxtn.dll"
#define RTLD_LAZY 0
@@ -153,10 +157,10 @@ _mesa_init_texture_s3tc( GLcontext *ctx )
}
/**
- * Called via TexFormat->StoreImage to store an RGB_DXT1 texture.
+ * Store user's image in rgb_dxt1 format.
*/
-static GLboolean
-texstore_rgb_dxt1(TEXSTORE_PARAMS)
+GLboolean
+_mesa_texstore_rgb_dxt1(TEXSTORE_PARAMS)
{
const GLchan *pixels;
GLint srcRowStride;
@@ -164,7 +168,7 @@ texstore_rgb_dxt1(TEXSTORE_PARAMS)
const GLint texWidth = dstRowStride * 4 / 8; /* a bit of a hack */
const GLchan *tempImage = NULL;
- ASSERT(dstFormat == &_mesa_texformat_rgb_dxt1);
+ ASSERT(dstFormat == MESA_FORMAT_RGB_DXT1);
ASSERT(dstXoffset % 4 == 0);
ASSERT(dstYoffset % 4 == 0);
ASSERT(dstZoffset % 4 == 0);
@@ -178,7 +182,7 @@ texstore_rgb_dxt1(TEXSTORE_PARAMS)
/* convert image to RGB/GLchan */
tempImage = _mesa_make_temp_chan_image(ctx, dims,
baseInternalFormat,
- dstFormat->BaseFormat,
+ _mesa_get_format_base_format(dstFormat),
srcWidth, srcHeight, srcDepth,
srcFormat, srcType, srcAddr,
srcPacking);
@@ -196,7 +200,7 @@ texstore_rgb_dxt1(TEXSTORE_PARAMS)
}
dst = _mesa_compressed_image_address(dstXoffset, dstYoffset, 0,
- dstFormat->MesaFormat,
+ dstFormat,
texWidth, (GLubyte *) dstAddr);
if (ext_tx_compress_dxtn) {
@@ -216,10 +220,10 @@ texstore_rgb_dxt1(TEXSTORE_PARAMS)
/**
- * Called via TexFormat->StoreImage to store an RGBA_DXT1 texture.
+ * Store user's image in rgba_dxt1 format.
*/
-static GLboolean
-texstore_rgba_dxt1(TEXSTORE_PARAMS)
+GLboolean
+_mesa_texstore_rgba_dxt1(TEXSTORE_PARAMS)
{
const GLchan *pixels;
GLint srcRowStride;
@@ -227,7 +231,7 @@ texstore_rgba_dxt1(TEXSTORE_PARAMS)
const GLint texWidth = dstRowStride * 4 / 8; /* a bit of a hack */
const GLchan *tempImage = NULL;
- ASSERT(dstFormat == &_mesa_texformat_rgba_dxt1);
+ ASSERT(dstFormat == MESA_FORMAT_RGBA_DXT1);
ASSERT(dstXoffset % 4 == 0);
ASSERT(dstYoffset % 4 == 0);
ASSERT(dstZoffset % 4 == 0);
@@ -241,7 +245,7 @@ texstore_rgba_dxt1(TEXSTORE_PARAMS)
/* convert image to RGBA/GLchan */
tempImage = _mesa_make_temp_chan_image(ctx, dims,
baseInternalFormat,
- dstFormat->BaseFormat,
+ _mesa_get_format_base_format(dstFormat),
srcWidth, srcHeight, srcDepth,
srcFormat, srcType, srcAddr,
srcPacking);
@@ -259,7 +263,7 @@ texstore_rgba_dxt1(TEXSTORE_PARAMS)
}
dst = _mesa_compressed_image_address(dstXoffset, dstYoffset, 0,
- dstFormat->MesaFormat,
+ dstFormat,
texWidth, (GLubyte *) dstAddr);
if (ext_tx_compress_dxtn) {
(*ext_tx_compress_dxtn)(4, srcWidth, srcHeight, pixels,
@@ -278,10 +282,10 @@ texstore_rgba_dxt1(TEXSTORE_PARAMS)
/**
- * Called via TexFormat->StoreImage to store an RGBA_DXT3 texture.
+ * Store user's image in rgba_dxt3 format.
*/
-static GLboolean
-texstore_rgba_dxt3(TEXSTORE_PARAMS)
+GLboolean
+_mesa_texstore_rgba_dxt3(TEXSTORE_PARAMS)
{
const GLchan *pixels;
GLint srcRowStride;
@@ -289,7 +293,7 @@ texstore_rgba_dxt3(TEXSTORE_PARAMS)
const GLint texWidth = dstRowStride * 4 / 16; /* a bit of a hack */
const GLchan *tempImage = NULL;
- ASSERT(dstFormat == &_mesa_texformat_rgba_dxt3);
+ ASSERT(dstFormat == MESA_FORMAT_RGBA_DXT3);
ASSERT(dstXoffset % 4 == 0);
ASSERT(dstYoffset % 4 == 0);
ASSERT(dstZoffset % 4 == 0);
@@ -303,7 +307,7 @@ texstore_rgba_dxt3(TEXSTORE_PARAMS)
/* convert image to RGBA/GLchan */
tempImage = _mesa_make_temp_chan_image(ctx, dims,
baseInternalFormat,
- dstFormat->BaseFormat,
+ _mesa_get_format_base_format(dstFormat),
srcWidth, srcHeight, srcDepth,
srcFormat, srcType, srcAddr,
srcPacking);
@@ -320,7 +324,7 @@ texstore_rgba_dxt3(TEXSTORE_PARAMS)
}
dst = _mesa_compressed_image_address(dstXoffset, dstYoffset, 0,
- dstFormat->MesaFormat,
+ dstFormat,
texWidth, (GLubyte *) dstAddr);
if (ext_tx_compress_dxtn) {
(*ext_tx_compress_dxtn)(4, srcWidth, srcHeight, pixels,
@@ -339,10 +343,10 @@ texstore_rgba_dxt3(TEXSTORE_PARAMS)
/**
- * Called via TexFormat->StoreImage to store an RGBA_DXT5 texture.
+ * Store user's image in rgba_dxt5 format.
*/
-static GLboolean
-texstore_rgba_dxt5(TEXSTORE_PARAMS)
+GLboolean
+_mesa_texstore_rgba_dxt5(TEXSTORE_PARAMS)
{
const GLchan *pixels;
GLint srcRowStride;
@@ -350,7 +354,7 @@ texstore_rgba_dxt5(TEXSTORE_PARAMS)
const GLint texWidth = dstRowStride * 4 / 16; /* a bit of a hack */
const GLchan *tempImage = NULL;
- ASSERT(dstFormat == &_mesa_texformat_rgba_dxt5);
+ ASSERT(dstFormat == MESA_FORMAT_RGBA_DXT5);
ASSERT(dstXoffset % 4 == 0);
ASSERT(dstYoffset % 4 == 0);
ASSERT(dstZoffset % 4 == 0);
@@ -364,7 +368,7 @@ texstore_rgba_dxt5(TEXSTORE_PARAMS)
/* convert image to RGBA/GLchan */
tempImage = _mesa_make_temp_chan_image(ctx, dims,
baseInternalFormat,
- dstFormat->BaseFormat,
+ _mesa_get_format_base_format(dstFormat),
srcWidth, srcHeight, srcDepth,
srcFormat, srcType, srcAddr,
srcPacking);
@@ -381,7 +385,7 @@ texstore_rgba_dxt5(TEXSTORE_PARAMS)
}
dst = _mesa_compressed_image_address(dstXoffset, dstYoffset, 0,
- dstFormat->MesaFormat,
+ dstFormat,
texWidth, (GLubyte *) dstAddr);
if (ext_tx_compress_dxtn) {
(*ext_tx_compress_dxtn)(4, srcWidth, srcHeight, pixels,
@@ -414,9 +418,9 @@ fetch_texel_2d_rgb_dxt1( const struct gl_texture_image *texImage,
}
-static void
-fetch_texel_2d_f_rgb_dxt1( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
+void
+_mesa_fetch_texel_2d_f_rgb_dxt1(const struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel)
{
/* just sample as GLchan and convert to float here */
GLchan rgba[4];
@@ -442,9 +446,9 @@ fetch_texel_2d_rgba_dxt1( const struct gl_texture_image *texImage,
}
-static void
-fetch_texel_2d_f_rgba_dxt1( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
+void
+_mesa_fetch_texel_2d_f_rgba_dxt1(const struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel)
{
/* just sample as GLchan and convert to float here */
GLchan rgba[4];
@@ -471,9 +475,9 @@ fetch_texel_2d_rgba_dxt3( const struct gl_texture_image *texImage,
}
-static void
-fetch_texel_2d_f_rgba_dxt3( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
+void
+_mesa_fetch_texel_2d_f_rgba_dxt3(const struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel)
{
/* just sample as GLchan and convert to float here */
GLchan rgba[4];
@@ -499,9 +503,9 @@ fetch_texel_2d_rgba_dxt5( const struct gl_texture_image *texImage,
}
-static void
-fetch_texel_2d_f_rgba_dxt5( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
+void
+_mesa_fetch_texel_2d_f_rgba_dxt5(const struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel)
{
/* just sample as GLchan and convert to float here */
GLchan rgba[4];
@@ -513,9 +517,9 @@ fetch_texel_2d_f_rgba_dxt5( const struct gl_texture_image *texImage,
}
#if FEATURE_EXT_texture_sRGB
-static void
-fetch_texel_2d_f_srgb_dxt1( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
+void
+_mesa_fetch_texel_2d_f_srgb_dxt1( const struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel )
{
/* just sample as GLchan and convert to float here */
GLchan rgba[4];
@@ -526,9 +530,9 @@ fetch_texel_2d_f_srgb_dxt1( const struct gl_texture_image *texImage,
texel[ACOMP] = CHAN_TO_FLOAT(rgba[ACOMP]);
}
-static void
-fetch_texel_2d_f_srgba_dxt1( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
+void
+_mesa_fetch_texel_2d_f_srgba_dxt1(const struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel)
{
/* just sample as GLchan and convert to float here */
GLchan rgba[4];
@@ -539,9 +543,9 @@ fetch_texel_2d_f_srgba_dxt1( const struct gl_texture_image *texImage,
texel[ACOMP] = CHAN_TO_FLOAT(rgba[ACOMP]);
}
-static void
-fetch_texel_2d_f_srgba_dxt3( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
+void
+_mesa_fetch_texel_2d_f_srgba_dxt3(const struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel)
{
/* just sample as GLchan and convert to float here */
GLchan rgba[4];
@@ -552,9 +556,9 @@ fetch_texel_2d_f_srgba_dxt3( const struct gl_texture_image *texImage,
texel[ACOMP] = CHAN_TO_FLOAT(rgba[ACOMP]);
}
-static void
-fetch_texel_2d_f_srgba_dxt5( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
+void
+_mesa_fetch_texel_2d_f_srgba_dxt5(const struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel)
{
/* just sample as GLchan and convert to float here */
GLchan rgba[4];
@@ -564,198 +568,7 @@ fetch_texel_2d_f_srgba_dxt5( const struct gl_texture_image *texImage,
texel[BCOMP] = nonlinear_to_linear(rgba[BCOMP]);
texel[ACOMP] = CHAN_TO_FLOAT(rgba[ACOMP]);
}
-#endif
+#endif /* FEATURE_EXT_texture_sRGB */
-const struct gl_texture_format _mesa_texformat_rgb_dxt1 = {
- MESA_FORMAT_RGB_DXT1, /* MesaFormat */
- GL_RGB, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED_ARB, /* DataType */
- 4, /*approx*/ /* RedBits */
- 4, /*approx*/ /* GreenBits */
- 4, /*approx*/ /* BlueBits */
- 0, /* AlphaBits */
- 0, /* LuminanceBits */
- 0, /* IntensityBits */
- 0, /* IndexBits */
- 0, /* DepthBits */
- 0, /* StencilBits */
- 0, /* TexelBytes */
- texstore_rgb_dxt1, /* StoreTexImageFunc */
- NULL, /*impossible*/ /* FetchTexel1D */
- fetch_texel_2d_rgb_dxt1, /* FetchTexel2D */
- NULL, /*impossible*/ /* FetchTexel3D */
- NULL, /*impossible*/ /* FetchTexel1Df */
- fetch_texel_2d_f_rgb_dxt1, /* FetchTexel2Df */
- NULL, /*impossible*/ /* FetchTexel3Df */
- NULL /* StoreTexel */
-};
-
-const struct gl_texture_format _mesa_texformat_rgba_dxt1 = {
- MESA_FORMAT_RGBA_DXT1, /* MesaFormat */
- GL_RGBA, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED_ARB, /* DataType */
- 4, /*approx*/ /* RedBits */
- 4, /*approx*/ /* GreenBits */
- 4, /*approx*/ /* BlueBits */
- 1, /*approx*/ /* AlphaBits */
- 0, /* LuminanceBits */
- 0, /* IntensityBits */
- 0, /* IndexBits */
- 0, /* DepthBits */
- 0, /* StencilBits */
- 0, /* TexelBytes */
- texstore_rgba_dxt1, /* StoreTexImageFunc */
- NULL, /*impossible*/ /* FetchTexel1D */
- fetch_texel_2d_rgba_dxt1, /* FetchTexel2D */
- NULL, /*impossible*/ /* FetchTexel3D */
- NULL, /*impossible*/ /* FetchTexel1Df */
- fetch_texel_2d_f_rgba_dxt1, /* FetchTexel2Df */
- NULL, /*impossible*/ /* FetchTexel3Df */
- NULL /* StoreTexel */
-};
-
-const struct gl_texture_format _mesa_texformat_rgba_dxt3 = {
- MESA_FORMAT_RGBA_DXT3, /* MesaFormat */
- GL_RGBA, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED_ARB, /* DataType */
- 4, /*approx*/ /* RedBits */
- 4, /*approx*/ /* GreenBits */
- 4, /*approx*/ /* BlueBits */
- 4, /*approx*/ /* AlphaBits */
- 0, /* LuminanceBits */
- 0, /* IntensityBits */
- 0, /* IndexBits */
- 0, /* DepthBits */
- 0, /* StencilBits */
- 0, /* TexelBytes */
- texstore_rgba_dxt3, /* StoreTexImageFunc */
- NULL, /*impossible*/ /* FetchTexel1D */
- fetch_texel_2d_rgba_dxt3, /* FetchTexel2D */
- NULL, /*impossible*/ /* FetchTexel3D */
- NULL, /*impossible*/ /* FetchTexel1Df */
- fetch_texel_2d_f_rgba_dxt3, /* FetchTexel2Df */
- NULL, /*impossible*/ /* FetchTexel3Df */
- NULL /* StoreTexel */
-};
-
-const struct gl_texture_format _mesa_texformat_rgba_dxt5 = {
- MESA_FORMAT_RGBA_DXT5, /* MesaFormat */
- GL_RGBA, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED_ARB, /* DataType */
- 4,/*approx*/ /* RedBits */
- 4,/*approx*/ /* GreenBits */
- 4,/*approx*/ /* BlueBits */
- 4,/*approx*/ /* AlphaBits */
- 0, /* LuminanceBits */
- 0, /* IntensityBits */
- 0, /* IndexBits */
- 0, /* DepthBits */
- 0, /* StencilBits */
- 0, /* TexelBytes */
- texstore_rgba_dxt5, /* StoreTexImageFunc */
- NULL, /*impossible*/ /* FetchTexel1D */
- fetch_texel_2d_rgba_dxt5, /* FetchTexel2D */
- NULL, /*impossible*/ /* FetchTexel3D */
- NULL, /*impossible*/ /* FetchTexel1Df */
- fetch_texel_2d_f_rgba_dxt5, /* FetchTexel2Df */
- NULL, /*impossible*/ /* FetchTexel3Df */
- NULL /* StoreTexel */
-};
-#if FEATURE_EXT_texture_sRGB
-const struct gl_texture_format _mesa_texformat_srgb_dxt1 = {
- MESA_FORMAT_SRGB_DXT1, /* MesaFormat */
- GL_RGB, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED_ARB, /* DataType */
- 4, /*approx*/ /* RedBits */
- 4, /*approx*/ /* GreenBits */
- 4, /*approx*/ /* BlueBits */
- 0, /* AlphaBits */
- 0, /* LuminanceBits */
- 0, /* IntensityBits */
- 0, /* IndexBits */
- 0, /* DepthBits */
- 0, /* StencilBits */
- 0, /* TexelBytes */
- texstore_rgb_dxt1, /* StoreTexImageFunc */
- NULL, /*impossible*/ /* FetchTexel1D */
- NULL, /* FetchTexel2D */
- NULL, /*impossible*/ /* FetchTexel3D */
- NULL, /*impossible*/ /* FetchTexel1Df */
- fetch_texel_2d_f_srgb_dxt1, /* FetchTexel2Df */
- NULL, /*impossible*/ /* FetchTexel3Df */
- NULL /* StoreTexel */
-};
-
-const struct gl_texture_format _mesa_texformat_srgba_dxt1 = {
- MESA_FORMAT_SRGBA_DXT1, /* MesaFormat */
- GL_RGBA, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED_ARB, /* DataType */
- 4, /*approx*/ /* RedBits */
- 4, /*approx*/ /* GreenBits */
- 4, /*approx*/ /* BlueBits */
- 1, /*approx*/ /* AlphaBits */
- 0, /* LuminanceBits */
- 0, /* IntensityBits */
- 0, /* IndexBits */
- 0, /* DepthBits */
- 0, /* StencilBits */
- 0, /* TexelBytes */
- texstore_rgba_dxt1, /* StoreTexImageFunc */
- NULL, /*impossible*/ /* FetchTexel1D */
- NULL, /* FetchTexel2D */
- NULL, /*impossible*/ /* FetchTexel3D */
- NULL, /*impossible*/ /* FetchTexel1Df */
- fetch_texel_2d_f_srgba_dxt1, /* FetchTexel2Df */
- NULL, /*impossible*/ /* FetchTexel3Df */
- NULL /* StoreTexel */
-};
-
-const struct gl_texture_format _mesa_texformat_srgba_dxt3 = {
- MESA_FORMAT_SRGBA_DXT3, /* MesaFormat */
- GL_RGBA, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED_ARB, /* DataType */
- 4, /*approx*/ /* RedBits */
- 4, /*approx*/ /* GreenBits */
- 4, /*approx*/ /* BlueBits */
- 4, /*approx*/ /* AlphaBits */
- 0, /* LuminanceBits */
- 0, /* IntensityBits */
- 0, /* IndexBits */
- 0, /* DepthBits */
- 0, /* StencilBits */
- 0, /* TexelBytes */
- texstore_rgba_dxt3, /* StoreTexImageFunc */
- NULL, /*impossible*/ /* FetchTexel1D */
- NULL, /* FetchTexel2D */
- NULL, /*impossible*/ /* FetchTexel3D */
- NULL, /*impossible*/ /* FetchTexel1Df */
- fetch_texel_2d_f_srgba_dxt3, /* FetchTexel2Df */
- NULL, /*impossible*/ /* FetchTexel3Df */
- NULL /* StoreTexel */
-};
-
-const struct gl_texture_format _mesa_texformat_srgba_dxt5 = {
- MESA_FORMAT_SRGBA_DXT5, /* MesaFormat */
- GL_RGBA, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED_ARB, /* DataType */
- 4,/*approx*/ /* RedBits */
- 4,/*approx*/ /* GreenBits */
- 4,/*approx*/ /* BlueBits */
- 4,/*approx*/ /* AlphaBits */
- 0, /* LuminanceBits */
- 0, /* IntensityBits */
- 0, /* IndexBits */
- 0, /* DepthBits */
- 0, /* StencilBits */
- 0, /* TexelBytes */
- texstore_rgba_dxt5, /* StoreTexImageFunc */
- NULL, /*impossible*/ /* FetchTexel1D */
- NULL, /* FetchTexel2D */
- NULL, /*impossible*/ /* FetchTexel3D */
- NULL, /*impossible*/ /* FetchTexel1Df */
- fetch_texel_2d_f_srgba_dxt5, /* FetchTexel2Df */
- NULL, /*impossible*/ /* FetchTexel3Df */
- NULL /* StoreTexel */
-};
-#endif
+#endif /* FEATURE_texture_s3tc */