From 3764750339fa60f2d79cf3abe1b91ca42ba61401 Mon Sep 17 00:00:00 2001
From: ReinUsesLisp <reinuseslisp@airmail.cc>
Date: Sat, 15 May 2021 18:14:29 -0300
Subject: glasm: Add graphics specific shader declarations to GLASM
---
.../backend/glasm/emit_context.cpp | 37 ++++++++++++++++++++++
1 file changed, 37 insertions(+)
(limited to 'src/shader_recompiler/backend/glasm/emit_context.cpp')
diff --git a/src/shader_recompiler/backend/glasm/emit_context.cpp b/src/shader_recompiler/backend/glasm/emit_context.cpp
index f9d83dd91b..66c954ff68 100644
--- a/src/shader_recompiler/backend/glasm/emit_context.cpp
+++ b/src/shader_recompiler/backend/glasm/emit_context.cpp
@@ -2,10 +2,25 @@
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
+#include <string_view>
+
#include "shader_recompiler/backend/glasm/emit_context.h"
#include "shader_recompiler/frontend/ir/program.h"
namespace Shader::Backend::GLASM {
+namespace {
+std::string_view InterpDecorator(Interpolation interp) {
+ switch (interp) {
+ case Interpolation::Smooth:
+ return "";
+ case Interpolation::Flat:
+ return "FLAT ";
+ case Interpolation::NoPerspective:
+ return "NOPERSPECTIVE ";
+ }
+ throw InvalidArgument("Invalid interpolation {}", interp);
+}
+} // Anonymous namespace
EmitContext::EmitContext(IR::Program& program) {
// FIXME: Temporary partial implementation
@@ -42,6 +57,28 @@ EmitContext::EmitContext(IR::Program& program) {
stage_name = "compute";
break;
}
+ for (size_t index = 0; index < program.info.input_generics.size(); ++index) {
+ const auto& generic{program.info.input_generics[index]};
+ if (generic.used) {
+ Add("{}ATTRIB in_attr{}[]={{{}.attrib[{}..{}]}};",
+ InterpDecorator(generic.interpolation), index, stage_name, index, index);
+ }
+ }
+ for (size_t index = 0; index < program.info.stores_frag_color.size(); ++index) {
+ if (!program.info.stores_frag_color[index]) {
+ continue;
+ }
+ if (index == 0) {
+ Add("OUTPUT frag_color0=result.color;");
+ } else {
+ Add("OUTPUT frag_color{}[]=result.color[{}];", index, index);
+ }
+ }
+ for (size_t index = 0; index < program.info.stores_generics.size(); ++index) {
+ if (program.info.stores_generics[index]) {
+ Add("OUTPUT out_attr{}[]={{result.attrib[{}..{}]}};", index, index, index);
+ }
+ }
}
} // namespace Shader::Backend::GLASM
--
cgit v1.2.3-70-g09d2