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shader: Properly manage attributes not written from previous stages

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This commit is contained in:
ReinUsesLisp 2021-06-16 04:59:30 -03:00 • committed by ameerj
parent 892b8aa2ad
commit 374eeda1a3
12 changed files with 62 additions and 41 deletions
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26
src/shader_recompiler/backend/glsl/emit_context.cpp
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@ -327,11 +327,12 @@ EmitContext::EmitContext(IR::Program& program, Bindings& bindings, const Profile
for (size_t index = 0; index < info.input_generics.size(); ++index) {
const auto& generic{info.input_generics[index]};
if (generic.used) {
header += fmt::format("layout(location={}){}in vec4 in_attr{}{};", index,
InterpDecorator(generic.interpolation), index,
InputArrayDecorator(stage));
if (!generic.used || !runtime_info.previous_stage_stores_generic[index]) {
continue;
}
header +=
fmt::format("layout(location={}){}in vec4 in_attr{}{};", index,
InterpDecorator(generic.interpolation), index, InputArrayDecorator(stage));
}
for (size_t index = 0; index < info.uses_patches.size(); ++index) {
if (!info.uses_patches[index]) {
@ -349,10 +350,10 @@ EmitContext::EmitContext(IR::Program& program, Bindings& bindings, const Profile
}
}
for (size_t index = 0; index < info.stores_generics.size(); ++index) {
// TODO: Properly resolve attribute issues
if (info.stores_generics[index] || StageInitializesVaryings()) {
DefineGenericOutput(index, program.invocations);
if (!info.stores_generics[index]) {
continue;
}
DefineGenericOutput(index, program.invocations);
}
DefineConstantBuffers(bindings);
DefineStorageBuffers(bindings);
@ -362,17 +363,6 @@ EmitContext::EmitContext(IR::Program& program, Bindings& bindings, const Profile
DefineConstants();
}
bool EmitContext::StageInitializesVaryings() const noexcept {
switch (stage) {
case Stage::VertexA:
case Stage::VertexB:
case Stage::Geometry:
return true;
default:
return false;
}
}
void EmitContext::SetupExtensions() {
if (info.uses_shadow_lod && profile.support_gl_texture_shadow_lod) {
header += "#extension GL_EXT_texture_shadow_lod : enable\n";