#include "image.h"
#include "mipmap.h"
#include "texcompress.h"
-#include "texformat.h"
+#include "texcompress_fxt1.h"
#include "texstore.h"
+#if FEATURE_texture_fxt1
+
+
static void
fxt1_encode (GLuint width, GLuint height, GLint comps,
const void *source, GLint srcRowStride,
/**
- * Called during context initialization.
- */
-void
-_mesa_init_texture_fxt1( GLcontext *ctx )
-{
- (void) ctx;
-}
-
-
-/**
- * Called via TexFormat->StoreImage to store an RGB_FXT1 texture.
+ * Store user's image in rgb_fxt1 format.
*/
-static GLboolean
-texstore_rgb_fxt1(TEXSTORE_PARAMS)
+GLboolean
+_mesa_texstore_rgb_fxt1(TEXSTORE_PARAMS)
{
const GLchan *pixels;
GLint srcRowStride;
const GLint texWidth = dstRowStride * 8 / 16; /* a bit of a hack */
const GLchan *tempImage = NULL;
- ASSERT(dstFormat == &_mesa_texformat_rgb_fxt1);
+ ASSERT(dstFormat == MESA_FORMAT_RGB_FXT1);
ASSERT(dstXoffset % 8 == 0);
ASSERT(dstYoffset % 4 == 0);
ASSERT(dstZoffset == 0);
/* 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);
}
dst = _mesa_compressed_image_address(dstXoffset, dstYoffset, 0,
- dstFormat->MesaFormat,
+ dstFormat,
texWidth, (GLubyte *) dstAddr);
fxt1_encode(srcWidth, srcHeight, 3, pixels, srcRowStride,
dst, dstRowStride);
if (tempImage)
- _mesa_free((void*) tempImage);
+ free((void*) tempImage);
return GL_TRUE;
}
/**
- * Called via TexFormat->StoreImage to store an RGBA_FXT1 texture.
+ * Store user's image in rgba_fxt1 format.
*/
-static GLboolean
-texstore_rgba_fxt1(TEXSTORE_PARAMS)
+GLboolean
+_mesa_texstore_rgba_fxt1(TEXSTORE_PARAMS)
{
const GLchan *pixels;
GLint srcRowStride;
GLint texWidth = dstRowStride * 8 / 16; /* a bit of a hack */
const GLchan *tempImage = NULL;
- ASSERT(dstFormat == &_mesa_texformat_rgba_fxt1);
+ ASSERT(dstFormat == MESA_FORMAT_RGBA_FXT1);
ASSERT(dstXoffset % 8 == 0);
ASSERT(dstYoffset % 4 == 0);
ASSERT(dstZoffset == 0);
/* 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);
}
dst = _mesa_compressed_image_address(dstXoffset, dstYoffset, 0,
- dstFormat->MesaFormat,
+ dstFormat,
texWidth, (GLubyte *) dstAddr);
fxt1_encode(srcWidth, srcHeight, 4, pixels, srcRowStride,
dst, dstRowStride);
if (tempImage)
- _mesa_free((void*) tempImage);
+ free((void*) tempImage);
return GL_TRUE;
}
-static void
-fetch_texel_2d_rgba_fxt1( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLchan *texel )
-{
- (void) k;
- fxt1_decode_1(texImage->Data, texImage->RowStride, i, j, texel);
-}
-
-
-static void
-fetch_texel_2d_f_rgba_fxt1( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
+void
+_mesa_fetch_texel_2d_f_rgba_fxt1( 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];
}
-static void
-fetch_texel_2d_rgb_fxt1( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLchan *texel )
-{
- (void) k;
- fxt1_decode_1(texImage->Data, texImage->RowStride, i, j, texel);
- texel[ACOMP] = 255;
-}
-
-
-static void
-fetch_texel_2d_f_rgb_fxt1( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
+void
+_mesa_fetch_texel_2d_f_rgb_fxt1( 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];
-const struct gl_texture_format _mesa_texformat_rgb_fxt1 = {
- MESA_FORMAT_RGB_FXT1, /* 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_fxt1, /* StoreTexImageFunc */
- NULL, /*impossible*/ /* FetchTexel1D */
- fetch_texel_2d_rgb_fxt1, /* FetchTexel2D */
- NULL, /*impossible*/ /* FetchTexel3D */
- NULL, /*impossible*/ /* FetchTexel1Df */
- fetch_texel_2d_f_rgb_fxt1, /* FetchTexel2Df */
- NULL, /*impossible*/ /* FetchTexel3Df */
- NULL /* StoreTexel */
-};
-
-const struct gl_texture_format _mesa_texformat_rgba_fxt1 = {
- MESA_FORMAT_RGBA_FXT1, /* 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_fxt1, /* StoreTexImageFunc */
- NULL, /*impossible*/ /* FetchTexel1D */
- fetch_texel_2d_rgba_fxt1, /* FetchTexel2D */
- NULL, /*impossible*/ /* FetchTexel3D */
- NULL, /*impossible*/ /* FetchTexel1Df */
- fetch_texel_2d_f_rgba_fxt1, /* FetchTexel2Df */
- NULL, /*impossible*/ /* FetchTexel3Df */
- NULL /* StoreTexel */
-};
-
-
/***************************************************************************\
* FXT1 encoder
*
} hist[N_TEXELS];
GLint lenh = 0;
- _mesa_memset(hist, 0, sizeof(hist));
+ memset(hist, 0, sizeof(hist));
for (k = 0; k < n; k++) {
GLint l;
* for each sample color
* sort to nearest vector.
*
- * replace each vector with the centroid of it's matching colors.
+ * replace each vector with the centroid of its matching colors.
*
* repeat until RMS doesn't improve.
*
#else
GLint best = fxt1_bestcol(vec, nv, input[k], nc, &err);
#endif
+ assert(best >= 0);
/* add in closest color */
for (i = 0; i < nc; i++) {
sum[best][i] += input[k][i];
if (comps == 3) {
/* make the whole block opaque */
- _mesa_memset(input, -1, sizeof(input));
+ memset(input, -1, sizeof(input));
}
/* 8 texels each line */
if ((width & 7) | (height & 3)) {
GLint newWidth = (width + 7) & ~7;
GLint newHeight = (height + 3) & ~3;
- newSource = _mesa_malloc(comps * newWidth * newHeight * sizeof(GLchan));
+ newSource = malloc(comps * newWidth * newHeight * sizeof(GLchan));
if (!newSource) {
GET_CURRENT_CONTEXT(ctx);
_mesa_error(ctx, GL_OUT_OF_MEMORY, "texture compression");
if (CHAN_TYPE != GL_UNSIGNED_BYTE) {
const GLuint n = width * height * comps;
const GLchan *src = (const GLchan *) source;
- GLubyte *dest = (GLubyte *) _mesa_malloc(n * sizeof(GLubyte));
+ GLubyte *dest = (GLubyte *) malloc(n * sizeof(GLubyte));
GLuint i;
if (!dest) {
GET_CURRENT_CONTEXT(ctx);
dest[i] = CHAN_TO_UBYTE(src[i]);
}
if (newSource != NULL) {
- _mesa_free(newSource);
+ free(newSource);
}
newSource = dest; /* we'll free this buffer before returning */
source = dest; /* the new, GLubyte incoming image */
cleanUp:
if (newSource != NULL) {
- _mesa_free(newSource);
+ free(newSource);
}
}
decode_1[mode](code, t, rgba);
}
+
+
+#endif /* FEATURE_texture_fxt1 */
projects / mesa.git / blobdiff