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glsl: Fix precise variable declaration 

and add some more separation in the shader for better debugability when dumped
This commit is contained in:
ameerj 2021-06-01 00:07:14 -04:00
parent 8c684b3e23
commit 59576b82a8
3 changed files with 32 additions and 31 deletions
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3
src/shader_recompiler/backend/glsl/emit_context.cpp
View File

@ -150,7 +150,7 @@ void SetupOutPerVertex(Stage stage, const Info& info, std::string& header) {
if (info.stores_clip_distance) {
header += "float gl_ClipDistance[];";
}
header += "};";
header += "};\n";
}
} // namespace
@ -223,6 +223,7 @@ EmitContext::EmitContext(IR::Program& program, Bindings& bindings, const Profile
header += declaration;
}
}
header += "\n";
DefineConstantBuffers(bindings);
DefineStorageBuffers(bindings);
SetupImages(bindings);

12
src/shader_recompiler/backend/glsl/emit_glsl.cpp
View File

@ -180,13 +180,15 @@ void DefineVariables(const EmitContext& ctx, std::string& header) {
const auto type{static_cast<GlslVarType>(i)};
const auto& tracker{ctx.var_alloc.GetUseTracker(type)};
const auto type_name{ctx.var_alloc.GetGlslType(type)};
const auto precise{
(type == GlslVarType::PrecF32 || type == GlslVarType::PrecF64) ? "precise " : ""};
// Temps/return types that are never used are stored at index 0
if (tracker.uses_temp) {
header += fmt::format("{}{}={}(0);", type_name, ctx.var_alloc.Representation(0, type),
type_name);
header += fmt::format("{}{} {}={}(0);", precise, type_name,
ctx.var_alloc.Representation(0, type), type_name);
}
for (u32 index = 1; index <= tracker.num_used; ++index) {
header += fmt::format("{}{}={}(0);", type_name,
header += fmt::format("{}{} {}={}(0);", precise, type_name,
ctx.var_alloc.Representation(index, type), type_name);
}
}
@ -198,7 +200,7 @@ std::string EmitGLSL(const Profile& profile, const RuntimeInfo& runtime_info, IR
EmitContext ctx{program, bindings, profile, runtime_info};
Precolor(program);
EmitCode(ctx, program);
const std::string version{fmt::format("#version 450{}\n", GlslVersionSpecifier(ctx))};
const std::string version{fmt::format("#version 460{}\n", GlslVersionSpecifier(ctx))};
ctx.header.insert(0, version);
if (program.local_memory_size > 0) {
ctx.header += fmt::format("uint lmem[{}];", program.local_memory_size / 4);
@ -206,7 +208,7 @@ std::string EmitGLSL(const Profile& profile, const RuntimeInfo& runtime_info, IR
if (program.shared_memory_size > 0) {
ctx.header += fmt::format("shared uint smem[{}];", program.shared_memory_size / 4);
}
ctx.header += "void main(){\n";
ctx.header += "\nvoid main(){\n";
if (program.stage == Stage::VertexA || program.stage == Stage::VertexB) {
ctx.header += "gl_Position = vec4(0.0f, 0.0f, 0.0f, 1.0f);";
// TODO: Properly resolve attribute issues

6
src/shader_recompiler/backend/glsl/var_alloc.cpp
View File

@ -210,12 +210,14 @@ std::string VarAlloc::GetGlslType(GlslVarType type) const {
case GlslVarType::S32:
return "int";
case GlslVarType::F32:
case GlslVarType::PrecF32:
return "float";
case GlslVarType::S64:
return "int64_t";
case GlslVarType::U64:
return "uint64_t";
case GlslVarType::F64:
case GlslVarType::PrecF64:
return "double";
case GlslVarType::U32x2:
return "uvec2";
@ -229,10 +231,6 @@ std::string VarAlloc::GetGlslType(GlslVarType type) const {
return "uvec4";
case GlslVarType::F32x4:
return "vec4";
case GlslVarType::PrecF32:
return "precise float ";
case GlslVarType::PrecF64:
return "precise double ";
case GlslVarType::Void:
return "";
default: