mesa: Fix texture compression on big-endian systems

[mesa.git] / src / mesa / main / texcompress_s3tc.c

diff --git a/src/mesa/main/texcompress_s3tc.c b/src/mesa/main/texcompress_s3tc.c
index 6cfe06a99106b7dc74da2f491379aadeb2e4ba08..7ddb0ed38c0b45463eb202e54c04929217c57e69 100644 (file)
--- a/src/mesa/main/texcompress_s3tc.c
+++ b/src/mesa/main/texcompress_s3tc.c
@@ -198,7 +198,8 @@ _mesa_texstore_rgba_dxt1(TEXSTORE_PARAMS)
       tempImageSlices[0] = (GLubyte *) tempImage;
       _mesa_texstore(ctx, dims,
                      baseInternalFormat,
-                     MESA_FORMAT_R8G8B8A8_UNORM,
+                     _mesa_little_endian() ? MESA_FORMAT_R8G8B8A8_UNORM
+                                           : MESA_FORMAT_A8B8G8R8_UNORM,
                      rgbaRowStride, tempImageSlices,
                      srcWidth, srcHeight, srcDepth,
                      srcFormat, srcType, srcAddr,
@@ -255,7 +256,8 @@ _mesa_texstore_rgba_dxt3(TEXSTORE_PARAMS)
       tempImageSlices[0] = (GLubyte *) tempImage;
       _mesa_texstore(ctx, dims,
                      baseInternalFormat,
-                     MESA_FORMAT_R8G8B8A8_UNORM,
+                     _mesa_little_endian() ? MESA_FORMAT_R8G8B8A8_UNORM
+                                           : MESA_FORMAT_A8B8G8R8_UNORM,
                      rgbaRowStride, tempImageSlices,
                      srcWidth, srcHeight, srcDepth,
                      srcFormat, srcType, srcAddr,
@@ -311,7 +313,8 @@ _mesa_texstore_rgba_dxt5(TEXSTORE_PARAMS)
       tempImageSlices[0] = (GLubyte *) tempImage;
       _mesa_texstore(ctx, dims,
                      baseInternalFormat,
-                     MESA_FORMAT_R8G8B8A8_UNORM,
+                     _mesa_little_endian() ? MESA_FORMAT_R8G8B8A8_UNORM
+                                           : MESA_FORMAT_A8B8G8R8_UNORM,
                      rgbaRowStride, tempImageSlices,
                      srcWidth, srcHeight, srcDepth,
                      srcFormat, srcType, srcAddr,