Mesa (master): r300g: YCbCr and sRGB textures.

[Corbin Simpson]

Module: Mesa
Branch: master
Commit: 928a5684177fdb6cd013949348aee6078dd305c0
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=928a5684177fdb6cd013949348aee6078dd305c0

Author: Corbin Simpson <MostAwesomeDude at gmail.com>
Date:   Sat Jun 27 11:58:00 2009 -0700

r300g: YCbCr and sRGB textures.

---

 src/gallium/drivers/r300/r300_reg.h     |    3 ++-
 src/gallium/drivers/r300/r300_screen.c  |    3 +++
 src/gallium/drivers/r300/r300_texture.h |   10 ++++++++++
 3 files changed, 15 insertions(+), 1 deletions(-)

diff --git a/src/gallium/drivers/r300/r300_reg.h b/src/gallium/drivers/r300/r300_reg.h
index e57535f..79c778f 100644
--- a/src/gallium/drivers/r300/r300_reg.h
+++ b/src/gallium/drivers/r300/r300_reg.h
@@ -1565,7 +1565,8 @@ USE OR OTHER DEALINGS IN THE SOFTWARE.
 #	define R300_TX_FORMAT_CONST_Z		(4<<5)
 #	define R300_TX_FORMAT_CONST_W		(8<<5)
 
-#	define R300_TX_FORMAT_YUV_MODE		0x00800000
+#       define R300_TX_FORMAT_GAMMA               (1 << 21)
+#       define R300_TX_FORMAT_YUV_TO_RGB          (1 << 22)
 
 #define R300_TX_FORMAT2_0		    0x4500 /* obvious missing in gap */
 #       define R300_TX_PITCHMASK_SHIFT           0
diff --git a/src/gallium/drivers/r300/r300_screen.c b/src/gallium/drivers/r300/r300_screen.c
index 42a7009..da1d5ff 100644
--- a/src/gallium/drivers/r300/r300_screen.c
+++ b/src/gallium/drivers/r300/r300_screen.c
@@ -196,10 +196,13 @@ static boolean check_tex_2d_format(enum pipe_format format, uint32_t usage,
                  PIPE_TEXTURE_USAGE_PRIMARY);
 
         /* Texture */
+        case PIPE_FORMAT_A8R8G8B8_SRGB:
+        case PIPE_FORMAT_R8G8B8A8_SRGB:
         case PIPE_FORMAT_DXT1_RGB:
         case PIPE_FORMAT_DXT1_RGBA:
         case PIPE_FORMAT_DXT3_RGBA:
         case PIPE_FORMAT_DXT5_RGBA:
+        case PIPE_FORMAT_YCBCR:
             return usage & PIPE_TEXTURE_USAGE_SAMPLER;
 
         /* Colorbuffer or texture */
diff --git a/src/gallium/drivers/r300/r300_texture.h b/src/gallium/drivers/r300/r300_texture.h
index 5511cca..3b56f03 100644
--- a/src/gallium/drivers/r300/r300_texture.h
+++ b/src/gallium/drivers/r300/r300_texture.h
@@ -44,6 +44,12 @@ static INLINE uint32_t r300_translate_texformat(enum pipe_format format)
             return R300_EASY_TX_FORMAT(X, Y, Z, W, W8Z8Y8X8);
         case PIPE_FORMAT_R8G8B8A8_UNORM:
             return R300_EASY_TX_FORMAT(Y, Z, W, X, W8Z8Y8X8);
+        case PIPE_FORMAT_A8R8G8B8_SRGB:
+            return R300_EASY_TX_FORMAT(X, Y, Z, W, W8Z8Y8X8) |
+                R300_TX_FORMAT_GAMMA;
+        case PIPE_FORMAT_R8G8B8A8_SRGB:
+            return R300_EASY_TX_FORMAT(Y, Z, W, X, W8Z8Y8X8) |
+                R300_TX_FORMAT_GAMMA;
         /* DXT1 */
         case PIPE_FORMAT_DXT1_RGB:
             return R300_EASY_TX_FORMAT(X, Y, Z, ONE, DXT1);
@@ -55,6 +61,10 @@ static INLINE uint32_t r300_translate_texformat(enum pipe_format format)
         /* DXT5 */
         case PIPE_FORMAT_DXT5_RGBA:
             return R300_EASY_TX_FORMAT(Y, Z, W, X, DXT5);
+        /* YVYU422 */
+        case PIPE_FORMAT_YCBCR:
+            return R300_EASY_TX_FORMAT(X, Y, Z, ONE, YVYU422) |
+                R300_TX_FORMAT_YUV_TO_RGB;
         /* W24_FP */
         case PIPE_FORMAT_Z24S8_UNORM:
             return R300_EASY_TX_FORMAT(X, X, X, X, W24_FP);