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intel/blorp: Support clearing L8_UNORM_SRGB surfaces

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Vulkan needs to be able to clear any texture you can create.  We want to
add support for VK_FORMAT_R8_SRGB and we need to use L8_UNORM_SRGB to do
that so we need to be able to clear it.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Jason Ekstrand 2017-08-02 15:07:33 -07:00
parent 4df0d50857
commit a8ba57d356
1 changed files with 4 additions and 0 deletions
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4
src/intel/blorp/blorp_clear.c
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@ -25,6 +25,7 @@
#include "main/macros.h" /* Needed for MAX3 and MAX2 for format_rgb9e5 */
#include "util/format_rgb9e5.h"
#include "util/format_srgb.h"
#include "blorp_priv.h"
#include "compiler/brw_eu_defines.h"
@ -382,6 +383,9 @@ 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_L8_UNORM_SRGB) {
clear_color.f32[0] = util_format_linear_to_srgb_float(clear_color.f32[0]);
format = ISL_FORMAT_R8_UNORM;
} 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.