meta: Avoid FBO resizing/reallocating in decompress_texture_image

Reallocate/resize decompress FBO only if texture image width/height is
greater than existing decompress FBO width/height.

This is a candidate for stable branches.

Signed-off-by: Anuj Phogat <[email protected]>
Reviewed-by: Brian Paul <[email protected]>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/mesa/drivers/common/meta.c b/src/mesa/drivers/common/meta.c
index 8f5b0360966..6c8495ddb41 100644
--- a/src/mesa/drivers/common/meta.c
+++ b/src/mesa/drivers/common/meta.c
@@ -3292,7 +3292,7 @@ decompress_texture_image(struct gl_context *ctx,
    }
 
    /* alloc dest surface */
-   if (width != decompress->Width || height != decompress->Height) {
+   if (width > decompress->Width || height > decompress->Height) {
       _mesa_RenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_RGBA,
                                    width, height);
       decompress->Width = width;