[PATCH vkd3d 1/7] vkd3d-shader: Implement SV_SampleIndex.
Józef Kucia
joseph.kucia at gmail.com
Mon Oct 8 08:40:15 CDT 2018
From: Józef Kucia <jkucia at codeweavers.com>
Signed-off-by: Józef Kucia <jkucia at codeweavers.com>
---
libs/vkd3d-shader/spirv.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/libs/vkd3d-shader/spirv.c b/libs/vkd3d-shader/spirv.c
index 98d7a9313f0e..63a1a0e0b7c2 100644
--- a/libs/vkd3d-shader/spirv.c
+++ b/libs/vkd3d-shader/spirv.c
@@ -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}},
};
--
2.18.0
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