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authorReinUsesLisp <reinuseslisp@airmail.cc>2021-04-16 21:46:44 +0200
committerameerj <52414509+ameerj@users.noreply.github.com>2021-07-23 03:51:28 +0200
commitf3473c5143fddc0c34eb01f52523bb49d94c1bbb (patch)
tree79127975e959838b6c207071af9e64bd8529362a /src
parentspirv: Implement ViewportMask with NV_viewport_array2 (diff)
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Diffstat (limited to 'src')
-rw-r--r--src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp41
1 files changed, 28 insertions, 13 deletions
diff --git a/src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp b/src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp
index ca067f1c4..aaa20ab95 100644
--- a/src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp
+++ b/src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp
@@ -52,7 +52,15 @@ Id OutputAccessChain(EmitContext& ctx, Id result_type, Id base, Args&&... args)
}
}
-std::optional<Id> OutputAttrPointer(EmitContext& ctx, IR::Attribute attr) {
+struct OutAttr {
+ OutAttr(Id pointer_) : pointer{pointer_} {}
+ OutAttr(Id pointer_, Id type_) : pointer{pointer_}, type{type_} {}
+
+ Id pointer{};
+ Id type{};
+};
+
+std::optional<OutAttr> OutputAttrPointer(EmitContext& ctx, IR::Attribute attr) {
if (IR::IsGeneric(attr)) {
const u32 index{IR::GenericAttributeIndex(attr)};
const u32 element{IR::GenericAttributeElement(attr)};
@@ -90,20 +98,23 @@ std::optional<Id> OutputAttrPointer(EmitContext& ctx, IR::Attribute attr) {
return OutputAccessChain(ctx, ctx.output_f32, ctx.clip_distances, clip_num);
}
case IR::Attribute::Layer:
- return ctx.profile.support_viewport_index_layer_non_geometry ||
- ctx.stage == Shader::Stage::Geometry
- ? std::optional<Id>{ctx.layer}
- : std::nullopt;
+ if (ctx.profile.support_viewport_index_layer_non_geometry ||
+ ctx.stage == Shader::Stage::Geometry) {
+ return OutAttr{ctx.layer, ctx.U32[1]};
+ }
+ return std::nullopt;
case IR::Attribute::ViewportIndex:
- return ctx.profile.support_viewport_index_layer_non_geometry ||
- ctx.stage == Shader::Stage::Geometry
- ? std::optional<Id>{ctx.viewport_index}
- : std::nullopt;
+ if (ctx.profile.support_viewport_index_layer_non_geometry ||
+ ctx.stage == Shader::Stage::Geometry) {
+ return OutAttr{ctx.viewport_index, ctx.U32[1]};
+ }
+ return std::nullopt;
case IR::Attribute::ViewportMask:
if (!ctx.profile.support_viewport_mask) {
return std::nullopt;
}
- return ctx.OpAccessChain(ctx.output_u32, ctx.viewport_mask, ctx.u32_zero_value);
+ return OutAttr{ctx.OpAccessChain(ctx.output_u32, ctx.viewport_mask, ctx.u32_zero_value),
+ ctx.U32[1]};
default:
throw NotImplementedException("Read attribute {}", attr);
}
@@ -262,10 +273,14 @@ Id EmitGetAttribute(EmitContext& ctx, IR::Attribute attr, Id vertex) {
}
void EmitSetAttribute(EmitContext& ctx, IR::Attribute attr, Id value, [[maybe_unused]] Id vertex) {
- const std::optional<Id> output{OutputAttrPointer(ctx, attr)};
- if (output) {
- ctx.OpStore(*output, value);
+ const std::optional<OutAttr> output{OutputAttrPointer(ctx, attr)};
+ if (!output) {
+ return;
+ }
+ if (Sirit::ValidId(output->type)) {
+ value = ctx.OpBitcast(output->type, value);
}
+ ctx.OpStore(output->pointer, value);
}
Id EmitGetAttributeIndexed(EmitContext& ctx, Id offset, Id vertex) {