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svga: use untyped surface formats in most cases 

This allows us to do copies between different, but compatible, surface
formats such as RGBA8_UNORM, RGBA8_SINT, RGBA8_UINT, etc. for
GL_ARB_copy_image.

Acked-by: Roland Scheidegger <sroland@vmware.com>
Reviewed-by: Charmaine Lee <charmainel@vmware.com>
This commit is contained in:
Brian Paul 2016-06-22 20:42:37 -06:00
parent 5f1335878e
commit eb0ced74f6
1 changed files with 7 additions and 4 deletions
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11
src/gallium/drivers/svga/svga_resource_texture.c
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@ -945,14 +945,17 @@ svga_texture_create(struct pipe_screen *screen,
goto fail;
}
/* Use typeless formats for sRGB and depth resources. Typeless
/* The actual allocation is done with a typeless format. Typeless
* formats can be reinterpreted as other formats. For example,
* SVGA3D_R8G8B8A8_UNORM_TYPELESS can be interpreted as
* SVGA3D_R8G8B8A8_UNORM_SRGB or SVGA3D_R8G8B8A8_UNORM.
* Do not use typeless formats for SHARED, DISPLAY_TARGET or SCANOUT
* buffers.
*/
if (svgascreen->sws->have_vgpu10 &&
(util_format_is_srgb(template->format) ||
format_has_depth(template->format))) {
if (svgascreen->sws->have_vgpu10
&& ((bindings & (PIPE_BIND_SHARED |
PIPE_BIND_DISPLAY_TARGET |
PIPE_BIND_SCANOUT)) == 0)) {
SVGA3dSurfaceFormat typeless = svga_typeless_format(tex->key.format);
if (0) {
debug_printf("Convert resource type %s -> %s (bind 0x%x)\n",