r600: Disable eight bit three channel formats
Commit 0899bf55 made some deqp-gles3 tests related to RGB8 PBOs fail on R600 because it exposed PIPE_FORMAT_R8G8B8_UNORM and R600 doesn't propely handle this. Disabling this format also for buffers fixes the issue. In addition, disabling also the related RGB8 integer formats for buffers fixes some deqp-gles3 tests: dEQP-GLES3.functional.texture.specification.teximage2d_pbo.rgb8ui_cube dEQP-GLES3.functional.texture.specification.texsubimage2d_pbo.rgb8i_2d dEQP-GLES3.functional.texture.specification.texsubimage2d_pbo.rgb8i_cube dEQP-GLES3.functional.texture.specification.texsubimage2d_pbo.rgb8ui_2d dEQP-GLES3.functional.texture.specification.texsubimage2d_pbo.rgb8ui_cube dEQP-GLES3.functional.texture.specification.teximage3d_pbo.rgb8i_2d_array dEQP-GLES3.functional.texture.specification.teximage3d_pbo.rgb8i_3d dEQP-GLES3.functional.texture.specification.teximage3d_pbo.rgb8ui_2d_array dEQP-GLES3.functional.texture.specification.teximage3d_pbo.rgb8ui_3d dEQP-GLES3.functional.texture.specification.texsubimage3d_pbo.rgb8i_2d_array dEQP-GLES3.functional.texture.specification.texsubimage3d_pbo.rgb8i_3d dEQP-GLES3.functional.texture.specification.texsubimage3d_pbo.rgb8ui_2d_array dEQP-GLES3.functional.texture.specification.texsubimage3d_pbo.rgb8ui_3d Fixes: 0899bf55 st/mesa: Map MESA_FORMAT_RGB_UNORM8 <-> PIPE_FORMAT_R8G8B8_UNORM Closes #2118 Signed-off-by:Gert Wollny <gert.wollny@collabora.com> Reviewed-by:
Eric Anholt <eric@anholt.net>