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Check texture format in get_texel() to handle depth textures.

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Brian
2007-10-13 11:11:11 -06:00
parent eb389aaf72
commit d75acc8ffa
1 changed files with 17 additions and 4 deletions
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src/mesa/pipe/softpipe/sp_tex_sample.c
+17 -4
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@@ -606,10 +606,23 @@ get_texel(struct tgsi_sampler *sampler,
/* get the texel from cache entry */
tx = x % TEX_CACHE_TILE_SIZE;
ty = y % TEX_CACHE_TILE_SIZE;
rgba[0][j] = sampler->cache[entry].data[ty][tx][0];
rgba[1][j] = sampler->cache[entry].data[ty][tx][1];
rgba[2][j] = sampler->cache[entry].data[ty][tx][2];
rgba[3][j] = sampler->cache[entry].data[ty][tx][3];
if (sampler->texture->format == PIPE_FORMAT_U_Z16 ||
sampler->texture->format == PIPE_FORMAT_U_Z32 ||
sampler->texture->format == PIPE_FORMAT_S8_Z24) {
/* get_tile() returned one float per texel */
float *src = (float *) sampler->cache[entry].data;
rgba[0][j] =
rgba[1][j] =
rgba[2][j] =
rgba[3][j] = src[ty * TEX_CACHE_TILE_SIZE + tx];
}
else {
/* get_tile() returned four floats per texel */
rgba[0][j] = sampler->cache[entry].data[ty][tx][0];
rgba[1][j] = sampler->cache[entry].data[ty][tx][1];
rgba[2][j] = sampler->cache[entry].data[ty][tx][2];
rgba[3][j] = sampler->cache[entry].data[ty][tx][3];
}
}