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-rw-r--r--src/mesa/main/teximage.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c
index f03e84ad840..ff3c92c5ef1 100644
--- a/src/mesa/main/teximage.c
+++ b/src/mesa/main/teximage.c
@@ -3004,8 +3004,18 @@ teximage(struct gl_context *ctx, GLboolean compressed, GLuint dims,
texObj = _mesa_get_current_tex_object(ctx, target);
assert(texObj);
- texFormat = _mesa_choose_texture_format(ctx, texObj, target, level,
- internalFormat, format, type);
+ if (compressed) {
+ /* For glCompressedTexImage() the driver has no choice about the
+ * texture format since we'll never transcode the user's compressed
+ * image data. The internalFormat was error checked earlier.
+ */
+ texFormat = _mesa_glenum_to_compressed_format(internalFormat);
+ }
+ else {
+ texFormat = _mesa_choose_texture_format(ctx, texObj, target, level,
+ internalFormat, format, type);
+ }
+
assert(texFormat != MESA_FORMAT_NONE);
/* check that width, height, depth are legal for the mipmap level */