diff options
| -rw-r--r-- | src/intel/blorp/blorp_clear.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/intel/blorp/blorp_clear.c b/src/intel/blorp/blorp_clear.c index afc505d86cf..8ea22ac0ad3 100644 --- a/src/intel/blorp/blorp_clear.c +++ b/src/intel/blorp/blorp_clear.c @@ -349,6 +349,29 @@ blorp_clear(struct blorp_batch *batch, if (format == ISL_FORMAT_R9G9B9E5_SHAREDEXP) { clear_color.u32[0] = float3_to_rgb9e5(clear_color.f32); format = ISL_FORMAT_R32_UINT; + } else if (format == ISL_FORMAT_A4B4G4R4_UNORM) { + /* Broadwell and earlier cannot render to this format so we need to work + * around it by swapping the colors around and using B4G4R4A4 instead. + */ + + /* First, we apply the swizzle. */ + union isl_color_value old; + assert((unsigned)(swizzle.r - ISL_CHANNEL_SELECT_RED) < 4); + assert((unsigned)(swizzle.g - ISL_CHANNEL_SELECT_RED) < 4); + assert((unsigned)(swizzle.b - ISL_CHANNEL_SELECT_RED) < 4); + assert((unsigned)(swizzle.a - ISL_CHANNEL_SELECT_RED) < 4); + old.u32[swizzle.r - ISL_CHANNEL_SELECT_RED] = clear_color.u32[0]; + old.u32[swizzle.g - ISL_CHANNEL_SELECT_RED] = clear_color.u32[1]; + old.u32[swizzle.b - ISL_CHANNEL_SELECT_RED] = clear_color.u32[2]; + old.u32[swizzle.a - ISL_CHANNEL_SELECT_RED] = clear_color.u32[3]; + swizzle = ISL_SWIZZLE_IDENTITY; + + /* Now we re-order for the new format */ + clear_color.u32[0] = old.u32[1]; + clear_color.u32[1] = old.u32[2]; + clear_color.u32[2] = old.u32[3]; + clear_color.u32[3] = old.u32[0]; + format = ISL_FORMAT_B4G4R4A4_UNORM; } memcpy(¶ms.wm_inputs.clear_color, clear_color.f32, sizeof(float) * 4); |