nvfx: expose PIPE_FORMAT_B8G8R8X8_UNORM support

This is implemented in nvfx_state_fb and fragtex but was missing
in nvfx_screen.

This allows to avoid glCopyTexSubImage CPU fallbacks and makes Doom 3
much faster as a result.

diff --git a/src/gallium/drivers/nvfx/nvfx_screen.c b/src/gallium/drivers/nvfx/nvfx_screen.c
index e142e27115ed6709b1d639f4015fd0d08fe78e79..0950dc87b410bfbc5e023512b957c8a9d25db502 100644 (file)
--- a/src/gallium/drivers/nvfx/nvfx_screen.c
+++ b/src/gallium/drivers/nvfx/nvfx_screen.c
@@ -126,6 +126,7 @@ nvfx_screen_surface_format_supported(struct pipe_screen *pscreen,
        if (tex_usage & PIPE_BIND_RENDER_TARGET) {
                switch (format) {
                case PIPE_FORMAT_B8G8R8A8_UNORM:
+               case PIPE_FORMAT_B8G8R8X8_UNORM:
                case PIPE_FORMAT_B5G6R5_UNORM:
                        return TRUE;
                default:
@@ -148,6 +149,7 @@ nvfx_screen_surface_format_supported(struct pipe_screen *pscreen,
        } else {
                switch (format) {
                case PIPE_FORMAT_B8G8R8A8_UNORM:
+               case PIPE_FORMAT_B8G8R8X8_UNORM:
                case PIPE_FORMAT_B5G5R5A1_UNORM:
                case PIPE_FORMAT_B4G4R4A4_UNORM:
                case PIPE_FORMAT_B5G6R5_UNORM: