radv: Add CPU color packing for VK_FORMAT_A2B10G10R10_UNORM_PACK32.

For allowing fast color clears in the main render targets of dota2.

[airlied: fix clear_vals[1] as suggested by Andres.

Signed-off-by: Bas Nieuwenhuizen <basni@google.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

diff --git a/src/amd/vulkan/radv_formats.c b/src/amd/vulkan/radv_formats.c
index f18ecee9d2af9bf05c249c5c22eb3172197c6e33..1188ee57b990848029b8003fbc06ff8f6f906300 100644 (file)
--- a/src/amd/vulkan/radv_formats.c
+++ b/src/amd/vulkan/radv_formats.c
@@ -940,8 +940,12 @@ bool radv_format_pack_clear_color(VkFormat format,
                clear_vals[1] |= ((uint16_t)util_iround(CLAMP(value->float32[3], 0.0f, 1.0f) * 0xffff)) << 16;
                break;
        case VK_FORMAT_A2B10G10R10_UNORM_PACK32:
-               /* TODO */
-               return false;
+               clear_vals[0] = ((uint16_t)util_iround(CLAMP(value->float32[0], 0.0f, 1.0f) * 0x3ff)) & 0x3ff;
+               clear_vals[0] |= (((uint16_t)util_iround(CLAMP(value->float32[1], 0.0f, 1.0f) * 0x3ff)) & 0x3ff) << 10;
+               clear_vals[0] |= (((uint16_t)util_iround(CLAMP(value->float32[2], 0.0f, 1.0f) * 0x3ff)) & 0x3ff) << 20;
+               clear_vals[0] |= (((uint16_t)util_iround(CLAMP(value->float32[1], 0.0f, 1.0f) * 0x3)) & 0x3) << 30;
+               clear_vals[1] = 0;
+               return true;
        case VK_FORMAT_R32G32_SFLOAT:
                clear_vals[0] = fui(value->float32[0]);
                clear_vals[1] = fui(value->float32[1]);