Mesa (master): r600g: add support for R4A4 and A4R4 textures.

[Christian König]

Module: Mesa
Branch: master
Commit: 0d0285ba916d9e25871354441c09b0a8c7c9b844
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=0d0285ba916d9e25871354441c09b0a8c7c9b844

Author: Christian König <deathsimple at vodafone.de>
Date:   Tue Aug 30 15:43:03 2011 +0200

r600g: add support for R4A4 and A4R4 textures.

Sampling worked out of the box, but this make them work as surface as well.

Signed-off-by: Christian König <deathsimple at vodafone.de>

---

 src/gallium/drivers/r600/evergreen_state.c |    4 ++++
 src/gallium/drivers/r600/r600_state.c      |    4 ++++
 2 files changed, 8 insertions(+), 0 deletions(-)

diff --git a/src/gallium/drivers/r600/evergreen_state.c b/src/gallium/drivers/r600/evergreen_state.c
index 174446e..d29a30e 100644
--- a/src/gallium/drivers/r600/evergreen_state.c
+++ b/src/gallium/drivers/r600/evergreen_state.c
@@ -277,9 +277,11 @@ static uint32_t r600_translate_colorswap(enum pipe_format format)
 	switch (format) {
 	/* 8-bit buffers. */
 	case PIPE_FORMAT_L4A4_UNORM:
+	case PIPE_FORMAT_A4R4_UNORM:
 		return V_028C70_SWAP_ALT;
 
 	case PIPE_FORMAT_A8_UNORM:
+	case PIPE_FORMAT_R4A4_UNORM:
 		return V_028C70_SWAP_ALT_REV;
 	case PIPE_FORMAT_I8_UNORM:
 	case PIPE_FORMAT_L8_UNORM:
@@ -383,6 +385,8 @@ static uint32_t r600_translate_colorformat(enum pipe_format format)
 	switch (format) {
 	/* 8-bit buffers. */
 	case PIPE_FORMAT_L4A4_UNORM:
+	case PIPE_FORMAT_R4A4_UNORM:
+	case PIPE_FORMAT_A4R4_UNORM:
 		return V_028C70_COLOR_4_4;
 
 	case PIPE_FORMAT_A8_UNORM:
diff --git a/src/gallium/drivers/r600/r600_state.c b/src/gallium/drivers/r600/r600_state.c
index 326bbff..1df85fa 100644
--- a/src/gallium/drivers/r600/r600_state.c
+++ b/src/gallium/drivers/r600/r600_state.c
@@ -277,6 +277,7 @@ static uint32_t r600_translate_colorswap(enum pipe_format format)
 	switch (format) {
 	/* 8-bit buffers. */
 	case PIPE_FORMAT_A8_UNORM:
+	case PIPE_FORMAT_R4A4_UNORM:
 		return V_0280A0_SWAP_ALT_REV;
 	case PIPE_FORMAT_I8_UNORM:
 	case PIPE_FORMAT_L8_UNORM:
@@ -286,6 +287,7 @@ static uint32_t r600_translate_colorswap(enum pipe_format format)
 		return V_0280A0_SWAP_STD;
 
 	case PIPE_FORMAT_L4A4_UNORM:
+	case PIPE_FORMAT_A4R4_UNORM:
 		return V_0280A0_SWAP_ALT;
 
 	/* 16-bit buffers. */
@@ -383,6 +385,8 @@ static uint32_t r600_translate_colorformat(enum pipe_format format)
 {
 	switch (format) {
 	case PIPE_FORMAT_L4A4_UNORM:
+	case PIPE_FORMAT_R4A4_UNORM:
+	case PIPE_FORMAT_A4R4_UNORM:
 		return V_0280A0_COLOR_4_4;
 
 	/* 8-bit buffers. */