From 6577a63d368afa57d5f29df40e524af30eaabffa Mon Sep 17 00:00:00 2001
From: ameerj <52414509+ameerj@users.noreply.github.com>
Date: Wed, 2 Jun 2021 00:48:49 -0400
Subject: glsl: skip gl_ViewportIndex write if device does not support it
---
src/shader_recompiler/backend/glsl/emit_context.cpp | 18 ++++++++++--------
1 file changed, 10 insertions(+), 8 deletions(-)
(limited to 'src/shader_recompiler/backend/glsl/emit_context.cpp')
diff --git a/src/shader_recompiler/backend/glsl/emit_context.cpp b/src/shader_recompiler/backend/glsl/emit_context.cpp
index 58355d5e33..846d38bfc8 100644
--- a/src/shader_recompiler/backend/glsl/emit_context.cpp
+++ b/src/shader_recompiler/backend/glsl/emit_context.cpp
@@ -148,23 +148,24 @@ std::string_view OutputPrimitive(OutputTopology topology) {
throw InvalidArgument("Invalid output topology {}", topology);
}
-void SetupOutPerVertex(Stage stage, const Info& info, std::string& header) {
- if (!StoresPerVertexAttributes(stage)) {
+void SetupOutPerVertex(EmitContext& ctx, std::string& header) {
+ if (!StoresPerVertexAttributes(ctx.stage)) {
return;
}
header += "out gl_PerVertex{";
header += "vec4 gl_Position;";
- if (info.stores_point_size) {
+ if (ctx.info.stores_point_size) {
header += "float gl_PointSize;";
}
- if (info.stores_clip_distance) {
+ if (ctx.info.stores_clip_distance) {
header += "float gl_ClipDistance[];";
}
- if (info.stores_viewport_index && stage != Stage::Geometry) {
+ if (ctx.info.stores_viewport_index && ctx.supports_viewport_layer &&
+ ctx.stage != Stage::Geometry) {
header += "int gl_ViewportIndex;";
}
header += "};\n";
- if (info.stores_viewport_index && stage == Stage::Geometry) {
+ if (ctx.info.stores_viewport_index && ctx.stage == Stage::Geometry) {
header += "out int gl_ViewportIndex;";
}
}
@@ -173,6 +174,7 @@ void SetupOutPerVertex(Stage stage, const Info& info, std::string& header) {
EmitContext::EmitContext(IR::Program& program, Bindings& bindings, const Profile& profile_,
const RuntimeInfo& runtime_info_)
: info{program.info}, profile{profile_}, runtime_info{runtime_info_} {
+ supports_viewport_layer = profile.support_gl_vertex_viewport_layer;
SetupExtensions(header);
stage = program.stage;
switch (program.stage) {
@@ -206,7 +208,7 @@ EmitContext::EmitContext(IR::Program& program, Bindings& bindings, const Profile
program.workgroup_size[2]);
break;
}
- SetupOutPerVertex(stage, info, header);
+ SetupOutPerVertex(*this, header);
for (size_t index = 0; index < info.input_generics.size(); ++index) {
const auto& generic{info.input_generics[index]};
if (generic.used) {
@@ -276,7 +278,7 @@ void EmitContext::SetupExtensions(std::string&) {
header += "#extension GL_ARB_gpu_shader_int64 : enable\n";
}
}
- if (info.stores_viewport_index && stage != Stage::Geometry) {
+ if (info.stores_viewport_index && supports_viewport_layer && stage != Stage::Geometry) {
header += "#extension GL_ARB_shader_viewport_layer_array : enable\n";
}
}
--
cgit v1.2.3-70-g09d2