Mesa (master): nvfx: expose PIPE_FORMAT_B8G8R8X8_UNORM support

[Luca Barbieri]

Module: Mesa
Branch: master
Commit: f9397f34b67b49ffb00b8b98e6a11e1cdb021016
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=f9397f34b67b49ffb00b8b98e6a11e1cdb021016

Author: Luca Barbieri <luca at luca-barbieri.com>
Date:   Wed Jan 20 04:36:58 2010 +0100

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.

---

 src/gallium/drivers/nvfx/nvfx_screen.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/src/gallium/drivers/nvfx/nvfx_screen.c b/src/gallium/drivers/nvfx/nvfx_screen.c
index e142e27..0950dc8 100644
--- 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: