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vkd3d-shader: Implement SV_SampleIndex.

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Signed-off-by: Józef Kucia <jkucia@codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Józef Kucia 2018-10-08 15:40:15 +02:00 committed by Alexandre Julliard
parent ecda316ef5
commit 1f4e6dc603
1 changed files with 10 additions and 0 deletions
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10
libs/vkd3d-shader/spirv.c
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@ -2958,6 +2958,14 @@ static uint32_t sv_front_face_fixup(struct vkd3d_dxbc_compiler *compiler,
return vkd3d_dxbc_compiler_emit_bool_to_int(compiler, 1, front_facing_id);
}
static uint32_t sv_sample_index(struct vkd3d_dxbc_compiler *compiler, uint32_t id)
{
struct vkd3d_spirv_builder *builder = &compiler->spirv_builder;
vkd3d_spirv_enable_capability(builder, SpvCapabilitySampleRateShading);
return id;
}
struct vkd3d_spirv_builtin
{
enum vkd3d_component_type component_type;
@ -2986,6 +2994,8 @@ vkd3d_system_value_builtins[] =
{VKD3D_SIV_IS_FRONT_FACE, {VKD3D_TYPE_BOOL, 1, SpvBuiltInFrontFacing, sv_front_face_fixup}},
{VKD3D_SIV_SAMPLE_INDEX, {VKD3D_TYPE_UINT, 1, SpvBuiltInSampleId, sv_sample_index}},
{VKD3D_SIV_CLIP_DISTANCE, {VKD3D_TYPE_FLOAT, 1, SpvBuiltInClipDistance, NULL, true}},
{VKD3D_SIV_CULL_DISTANCE, {VKD3D_TYPE_FLOAT, 1, SpvBuiltInCullDistance, NULL, true}},
};