Signed-off-by: Christian König <[email protected]>
---
src/gallium/drivers/r600/r600_texture.c | 41 +++++++++++++++++++++++++++++++
1 files changed, 41 insertions(+), 0 deletions(-)
diff --git a/src/gallium/drivers/r600/r600_texture.c
b/src/gallium/drivers/r600/r600_texture.c
index 2b69fcd..a08cc48 100644
--- a/src/gallium/drivers/r600/r600_texture.c
+++ b/src/gallium/drivers/r600/r600_texture.c
@@ -1153,6 +1153,47 @@ uint32_t r600_translate_texformat(struct pipe_screen
*screen,
}
}
+ if (desc->layout == UTIL_FORMAT_LAYOUT_SUBSAMPLED) {
+ const unsigned char *swizzle;
+ const unsigned char swizzle_zyx[] = {
+ UTIL_FORMAT_SWIZZLE_Z,
+ UTIL_FORMAT_SWIZZLE_Y,
+ UTIL_FORMAT_SWIZZLE_X,
+ UTIL_FORMAT_SWIZZLE_1,
+ };
+ const unsigned char swizzle_yzx[] = {
+ UTIL_FORMAT_SWIZZLE_Y,
+ UTIL_FORMAT_SWIZZLE_Z,
+ UTIL_FORMAT_SWIZZLE_X,
+ UTIL_FORMAT_SWIZZLE_1,
+ };
+
+ switch (format) {
+ case PIPE_FORMAT_R8G8_B8G8_UNORM:
+ swizzle = swizzle_zyx;
+ result = FMT_BG_RG;
+ break;
+ case PIPE_FORMAT_G8R8_G8B8_UNORM:
+ swizzle = swizzle_zyx;
+ result = FMT_GB_GR;
+ break;
+ case PIPE_FORMAT_R8G8_R8B8_UNORM:
+ swizzle = swizzle_yzx;
+ result = FMT_GB_GR;
+ break;
+ case PIPE_FORMAT_G8R8_B8R8_UNORM:
+ swizzle = swizzle_yzx;
+ result = FMT_BG_RG;
+ break;
+ default:
+ goto out_unknown;
+ }
+ word4 &= C_038010_DST_SEL_X & C_038010_DST_SEL_Y &
+ C_038010_DST_SEL_Z & C_038010_DST_SEL_W;
+ word4 |= r600_get_swizzle_combined(swizzle, swizzle_view);
+ goto out_word4;
+ }
+
if (format == PIPE_FORMAT_R9G9B9E5_FLOAT) {
result = FMT_5_9_9_9_SHAREDEXP;
goto out_word4;
--
1.7.5.4
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