From 12ef06ba8bca5b20069e24b36f9216d01d4fe904 Mon Sep 17 00:00:00 2001
From: ameerj <52414509+ameerj@users.noreply.github.com>
Date: Tue, 15 Jun 2021 21:01:44 -0400
Subject: glsl: Obey need_declared_frag_colors to declare and initialize all
frag_color
Fixes Ori and the blind forest title screen
---
src/shader_recompiler/backend/glsl/emit_context.cpp | 2 +-
src/shader_recompiler/backend/glsl/emit_glsl_special.cpp | 9 +++++++++
2 files changed, 10 insertions(+), 1 deletion(-)
(limited to 'src/shader_recompiler/backend')
diff --git a/src/shader_recompiler/backend/glsl/emit_context.cpp b/src/shader_recompiler/backend/glsl/emit_context.cpp
index d224c4d845..54aa88b63b 100644
--- a/src/shader_recompiler/backend/glsl/emit_context.cpp
+++ b/src/shader_recompiler/backend/glsl/emit_context.cpp
@@ -340,7 +340,7 @@ EmitContext::EmitContext(IR::Program& program, Bindings& bindings, const Profile
header += fmt::format("layout(location={})patch {} vec4 patch{};", index, qualifier, index);
}
for (size_t index = 0; index < info.stores_frag_color.size(); ++index) {
- if (!info.stores_frag_color[index]) {
+ if (!info.stores_frag_color[index] && !profile.need_declared_frag_colors) {
continue;
}
header += fmt::format("layout(location={})out vec4 frag_color{};", index, index);
diff --git a/src/shader_recompiler/backend/glsl/emit_glsl_special.cpp b/src/shader_recompiler/backend/glsl/emit_glsl_special.cpp
index 59ca52f07f..f8e8aaa67b 100644
--- a/src/shader_recompiler/backend/glsl/emit_glsl_special.cpp
+++ b/src/shader_recompiler/backend/glsl/emit_glsl_special.cpp
@@ -8,6 +8,7 @@
#include "shader_recompiler/backend/glsl/emit_glsl_instructions.h"
#include "shader_recompiler/frontend/ir/program.h"
#include "shader_recompiler/frontend/ir/value.h"
+#include "shader_recompiler/profile.h"
namespace Shader::Backend::GLSL {
namespace {
@@ -58,6 +59,14 @@ void EmitPrologue(EmitContext& ctx) {
if (ctx.StageInitializesVaryings()) {
InitializeVaryings(ctx);
}
+ if (ctx.stage == Stage::Fragment && ctx.profile.need_declared_frag_colors) {
+ for (size_t index = 0; index < ctx.info.stores_frag_color.size(); ++index) {
+ if (ctx.info.stores_frag_color[index]) {
+ continue;
+ }
+ ctx.Add("frag_color{}=vec4(0,0,0,1);", index);
+ }
+ }
}
void EmitEpilogue(EmitContext&) {}
--
cgit v1.2.3-70-g09d2