diff options
Diffstat (limited to 'src/mesa/main/texcompress.c')
| -rw-r--r-- | src/mesa/main/texcompress.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/mesa/main/texcompress.c b/src/mesa/main/texcompress.c index e6a96957229..1b9daac1e6b 100644 --- a/src/mesa/main/texcompress.c +++ b/src/mesa/main/texcompress.c @@ -96,11 +96,20 @@ _mesa_compressed_texture_size( GLcontext *ctx, { GLuint size; + if (ctx->Driver.CompressedTextureSize) { + return ctx->Driver.CompressedTextureSize(ctx, width, height, depth, format); + } + switch (format) { case GL_COMPRESSED_RGB_FXT1_3DFX: case GL_COMPRESSED_RGBA_FXT1_3DFX: /* round up to multiple of 4 */ size = ((width + 7) / 8) * ((height + 3) / 4) * 16; + /* Textures smaller than 4x4 will effectively be made into 4x4 and + * take 8 bytes. + */ + if (size < 16) + size = 16; return size; case GL_COMPRESSED_RGB_S3TC_DXT1_EXT: case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: @@ -150,6 +159,10 @@ _mesa_compressed_row_stride(GLenum format, GLsizei width) GLint bytesPerTile, stride; switch (format) { + case GL_COMPRESSED_RGB_FXT1_3DFX: + case GL_COMPRESSED_RGBA_FXT1_3DFX: + bytesPerTile = 8; + break; case GL_COMPRESSED_RGB_S3TC_DXT1_EXT: case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: bytesPerTile = 8; @@ -193,6 +206,10 @@ _mesa_compressed_image_address(GLint col, GLint row, GLint img, (void) img; switch (format) { + case GL_COMPRESSED_RGB_FXT1_3DFX: + case GL_COMPRESSED_RGBA_FXT1_3DFX: + bytesPerTile = 8; + break; case GL_COMPRESSED_RGB_S3TC_DXT1_EXT: case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: bytesPerTile = 8; |