On Jun 16, 2015 11:15 AM, "Anuj Phogat" <[email protected]> wrote:
>
> Without this patch, arb_color_buffer_float-readpixels test fails, when
> forced to use meta pbo path.
>
> Signed-off-by: Anuj Phogat <[email protected]>
> Cc: <[email protected]>
> ---
> src/mesa/drivers/common/meta_tex_subimage.c | 10 ++++++----
> 1 file changed, 6 insertions(+), 4 deletions(-)
>
> diff --git a/src/mesa/drivers/common/meta_tex_subimage.c
b/src/mesa/drivers/common/meta_tex_subimage.c
> index d2474f5..00364f8 100644
> --- a/src/mesa/drivers/common/meta_tex_subimage.c
> +++ b/src/mesa/drivers/common/meta_tex_subimage.c
> @@ -273,12 +273,14 @@ _mesa_meta_pbo_GetTexSubImage(struct gl_context
*ctx, GLuint dims,
> format == GL_COLOR_INDEX)
> return false;
>
> - if (ctx->_ImageTransferState)
> - return false;
> -
> -
> + /* Don't use meta path for readpixels in below conditions. */
A more descriptive comment would be nice.
> if (!tex_image) {
> rb = ctx->ReadBuffer->_ColorReadBuffer;
> +
> + if (_mesa_get_readpixels_transfer_ops(ctx, rb->Format, format,
> + type, GL_FALSE))
> + return false;
> +
> if (_mesa_need_rgb_to_luminance_conversion(rb->Format, format))
> return false;
> }
> --
> 1.9.3
>
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