[Mesa-dev] [PATCH] meta: Avoid FBO resizing/reallocating in decompress_texture_image

[Brian Paul]

On 02/13/2012 12:34 PM, Anuj Phogat wrote:
> Reallocate/resize decompress FBO only if texture image width/height is
> greater than existing decompress FBO width/height.
>
> Signed-off-by: Anuj Phogat<anuj.phogat at gmail.com>
> ---
>   src/mesa/drivers/common/meta.c |    2 +-
>   1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/src/mesa/drivers/common/meta.c b/src/mesa/drivers/common/meta.c
> index f3f5d85..c3b2367 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;


Assuming you've tested this and there's no regressions,

Reviewed-by: Brian Paul <brianp at vmware.com>