From 6eea88d6149f7122777b325c7fc8549e2a974e64 Mon Sep 17 00:00:00 2001
From: ameerj <52414509+ameerj@users.noreply.github.com>
Date: Mon, 14 Jun 2021 23:02:07 -0400
Subject: [PATCH] glsl: Cleanup/Address feedback
---
.../backend/glsl/emit_glsl.cpp | 8 ++++----
.../backend/glsl/emit_glsl_atomic.cpp | 12 ++++++------
.../backend/glsl/emit_glsl_composite.cpp | 3 +--
.../backend/glsl/emit_glsl_context_get_set.cpp | 18 +++++-------------
.../backend/glsl/emit_glsl_integer.cpp | 1 +
.../backend/glsl/emit_glsl_shared_memory.cpp | 1 +
.../backend/glsl/emit_glsl_warp.cpp | 2 +-
.../backend/glsl/var_alloc.cpp | 3 +--
src/shader_recompiler/profile.h | 2 ++
.../renderer_opengl/gl_shader_cache.cpp | 2 ++
10 files changed, 24 insertions(+), 28 deletions(-)
diff --git a/src/shader_recompiler/backend/glsl/emit_glsl.cpp b/src/shader_recompiler/backend/glsl/emit_glsl.cpp
index 6d64913bbc..9f8cf659ff 100644
--- a/src/shader_recompiler/backend/glsl/emit_glsl.cpp
+++ b/src/shader_recompiler/backend/glsl/emit_glsl.cpp
@@ -156,8 +156,7 @@ void EmitCode(EmitContext& ctx, const IR::Program& program) {
ctx.Add("for(;;){{");
break;
case IR::AbstractSyntaxNode::Type::Repeat:
- ctx.Add("if({}){{continue;}}else{{break;}}}}",
- ctx.var_alloc.Consume(node.data.repeat.cond));
+ ctx.Add("if(!{}){{break;}}}}", ctx.var_alloc.Consume(node.data.repeat.cond));
break;
default:
throw NotImplementedException("AbstractSyntaxNode Type {}", node.type);
@@ -166,7 +165,7 @@ void EmitCode(EmitContext& ctx, const IR::Program& program) {
}
std::string GlslVersionSpecifier(const EmitContext& ctx) {
- if (ctx.uses_y_direction || ctx.info.stores_legacy_varyings) {
+ if (ctx.uses_y_direction || ctx.info.stores_legacy_varyings || ctx.info.loads_legacy_varyings) {
return " compatibility";
}
return "";
@@ -187,7 +186,8 @@ 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{IsPreciseType(type) ? "precise " : ""};
+ const bool has_precise_bug{ctx.stage == Stage::Fragment && ctx.profile.has_gl_precise_bug};
+ const auto precise{!has_precise_bug && IsPreciseType(type) ? "precise " : ""};
// Temps/return types that are never used are stored at index 0
if (tracker.uses_temp) {
header += fmt::format("{}{} t{}={}(0);", precise, type_name,
diff --git a/src/shader_recompiler/backend/glsl/emit_glsl_atomic.cpp b/src/shader_recompiler/backend/glsl/emit_glsl_atomic.cpp
index 9152ace983..772acc5a4a 100644
--- a/src/shader_recompiler/backend/glsl/emit_glsl_atomic.cpp
+++ b/src/shader_recompiler/backend/glsl/emit_glsl_atomic.cpp
@@ -98,7 +98,7 @@ void EmitSharedAtomicExchange32(EmitContext& ctx, IR::Inst& inst, std::string_vi
void EmitSharedAtomicExchange64(EmitContext& ctx, IR::Inst& inst, std::string_view pointer_offset,
std::string_view value) {
- LOG_WARNING(Shader_GLSL, "Int64 Atomics not supported, fallback to non-atomic");
+ LOG_WARNING(Shader_GLSL, "Int64 atomics not supported, fallback to non-atomic");
ctx.AddU64("{}=packUint2x32(uvec2(smem[{}>>2],smem[({}+4)>>2]));", inst, pointer_offset,
pointer_offset);
ctx.Add("smem[{}>>2]=unpackUint2x32({}).x;smem[({}+4)>>2]=unpackUint2x32({}).y;",
@@ -171,7 +171,7 @@ void EmitStorageAtomicExchange32(EmitContext& ctx, IR::Inst& inst, const IR::Val
void EmitStorageAtomicIAdd64(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
const IR::Value& offset, std::string_view value) {
- LOG_WARNING(Shader_GLSL, "Int64 Atomics not supported, fallback to non-atomic");
+ LOG_WARNING(Shader_GLSL, "Int64 atomics not supported, fallback to non-atomic");
ctx.AddU64("{}=packUint2x32(uvec2({}_ssbo{}[{}>>2],{}_ssbo{}[({}>>2)+1]));", inst,
ctx.stage_name, binding.U32(), ctx.var_alloc.Consume(offset), ctx.stage_name,
binding.U32(), ctx.var_alloc.Consume(offset));
@@ -182,7 +182,7 @@ void EmitStorageAtomicIAdd64(EmitContext& ctx, IR::Inst& inst, const IR::Value&
void EmitStorageAtomicSMin64(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
const IR::Value& offset, std::string_view value) {
- LOG_WARNING(Shader_GLSL, "Int64 Atomics not supported, fallback to non-atomic");
+ LOG_WARNING(Shader_GLSL, "Int64 atomics not supported, fallback to non-atomic");
ctx.AddU64("{}=packInt2x32(ivec2({}_ssbo{}[{}>>2],{}_ssbo{}[({}>>2)+1]));", inst,
ctx.stage_name, binding.U32(), ctx.var_alloc.Consume(offset), ctx.stage_name,
binding.U32(), ctx.var_alloc.Consume(offset));
@@ -195,7 +195,7 @@ void EmitStorageAtomicSMin64(EmitContext& ctx, IR::Inst& inst, const IR::Value&
void EmitStorageAtomicUMin64(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
const IR::Value& offset, std::string_view value) {
- LOG_WARNING(Shader_GLSL, "Int64 Atomics not supported, fallback to non-atomic");
+ LOG_WARNING(Shader_GLSL, "Int64 atomics not supported, fallback to non-atomic");
ctx.AddU64("{}=packUint2x32(uvec2({}_ssbo{}[{}>>2],{}_ssbo{}[({}>>2)+1]));", inst,
ctx.stage_name, binding.U32(), ctx.var_alloc.Consume(offset), ctx.stage_name,
binding.U32(), ctx.var_alloc.Consume(offset));
@@ -207,7 +207,7 @@ void EmitStorageAtomicUMin64(EmitContext& ctx, IR::Inst& inst, const IR::Value&
void EmitStorageAtomicSMax64(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
const IR::Value& offset, std::string_view value) {
- LOG_WARNING(Shader_GLSL, "Int64 Atomics not supported, fallback to non-atomic");
+ LOG_WARNING(Shader_GLSL, "Int64 atomics not supported, fallback to non-atomic");
ctx.AddU64("{}=packInt2x32(ivec2({}_ssbo{}[{}>>2],{}_ssbo{}[({}>>2)+1]));", inst,
ctx.stage_name, binding.U32(), ctx.var_alloc.Consume(offset), ctx.stage_name,
binding.U32(), ctx.var_alloc.Consume(offset));
@@ -220,7 +220,7 @@ void EmitStorageAtomicSMax64(EmitContext& ctx, IR::Inst& inst, const IR::Value&
void EmitStorageAtomicUMax64(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
const IR::Value& offset, std::string_view value) {
- LOG_WARNING(Shader_GLSL, "Int64 Atomics not supported, fallback to non-atomic");
+ LOG_WARNING(Shader_GLSL, "Int64 atomics not supported, fallback to non-atomic");
ctx.AddU64("{}=packUint2x32(uvec2({}_ssbo{}[{}>>2],{}_ssbo{}[({}>>2)+1]));", inst,
ctx.stage_name, binding.U32(), ctx.var_alloc.Consume(offset), ctx.stage_name,
binding.U32(), ctx.var_alloc.Consume(offset));
diff --git a/src/shader_recompiler/backend/glsl/emit_glsl_composite.cpp b/src/shader_recompiler/backend/glsl/emit_glsl_composite.cpp
index 7421ce97d0..49a66e3ec0 100644
--- a/src/shader_recompiler/backend/glsl/emit_glsl_composite.cpp
+++ b/src/shader_recompiler/backend/glsl/emit_glsl_composite.cpp
@@ -17,8 +17,7 @@ void CompositeInsert(EmitContext& ctx, std::string_view result, std::string_view
// The result is aliased with the composite
ctx.Add("{}.{}={};", composite, SWIZZLE[index], object);
} else {
- ctx.Add("{}={};", result, composite);
- ctx.Add("{}.{}={};", result, SWIZZLE[index], object);
+ ctx.Add("{}={};{}.{}={};", result, composite, result, SWIZZLE[index], object);
}
}
} // Anonymous namespace
diff --git a/src/shader_recompiler/backend/glsl/emit_glsl_context_get_set.cpp b/src/shader_recompiler/backend/glsl/emit_glsl_context_get_set.cpp
index 0d1e5ed7fc..edeecc26e1 100644
--- a/src/shader_recompiler/backend/glsl/emit_glsl_context_get_set.cpp
+++ b/src/shader_recompiler/backend/glsl/emit_glsl_context_get_set.cpp
@@ -30,7 +30,7 @@ std::string InputVertexIndex(EmitContext& ctx, std::string_view vertex) {
return IsInputArray(ctx.stage) ? fmt::format("[{}]", vertex) : "";
}
-std::string OutputVertexIndex(EmitContext& ctx) {
+std::string_view OutputVertexIndex(EmitContext& ctx) {
return ctx.stage == Stage::TessellationControl ? "[gl_InvocationID]" : "";
}
@@ -40,7 +40,7 @@ void GetCbuf(EmitContext& ctx, std::string_view ret, const IR::Value& binding,
const bool is_immediate{offset.IsImmediate()};
if (is_immediate) {
const s32 signed_offset{static_cast<s32>(offset.U32())};
- static constexpr u32 cbuf_size{4096 * 16};
+ static constexpr u32 cbuf_size{0x10000};
if (signed_offset < 0 || offset.U32() > cbuf_size) {
LOG_WARNING(Shader_GLSL, "Immediate constant buffer offset is out of bounds");
ctx.Add("{}=0u;", ret);
@@ -140,7 +140,7 @@ void EmitGetCbufU32x2(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding
const IR::Value& offset) {
const auto cbuf{fmt::format("{}_cbuf{}", ctx.stage_name, binding.U32())};
if (offset.IsImmediate()) {
- static constexpr u32 cbuf_size{4096 * 16};
+ static constexpr u32 cbuf_size{0x10000};
const u32 u32_offset{offset.U32()};
const s32 signed_offset{static_cast<s32>(offset.U32())};
if (signed_offset < 0 || u32_offset > cbuf_size) {
@@ -308,21 +308,13 @@ void EmitSetAttribute(EmitContext& ctx, IR::Attribute attr, std::string_view val
case IR::Attribute::ColorFrontDiffuseG:
case IR::Attribute::ColorFrontDiffuseB:
case IR::Attribute::ColorFrontDiffuseA:
- if (ctx.stage == Stage::Fragment) {
- ctx.Add("gl_Color.{}={};", swizzle, value);
- } else {
- ctx.Add("gl_FrontColor.{}={};", swizzle, value);
- }
+ ctx.Add("gl_FrontColor.{}={};", swizzle, value);
break;
case IR::Attribute::ColorFrontSpecularR:
case IR::Attribute::ColorFrontSpecularG:
case IR::Attribute::ColorFrontSpecularB:
case IR::Attribute::ColorFrontSpecularA:
- if (ctx.stage == Stage::Fragment) {
- ctx.Add("gl_SecondaryColor.{}={};", swizzle, value);
- } else {
- ctx.Add("gl_FrontSecondaryColor.{}={};", swizzle, value);
- }
+ ctx.Add("gl_FrontSecondaryColor.{}={};", swizzle, value);
break;
case IR::Attribute::ColorBackDiffuseR:
case IR::Attribute::ColorBackDiffuseG:
diff --git a/src/shader_recompiler/backend/glsl/emit_glsl_integer.cpp b/src/shader_recompiler/backend/glsl/emit_glsl_integer.cpp
index 7a2f79d106..983e6d95df 100644
--- a/src/shader_recompiler/backend/glsl/emit_glsl_integer.cpp
+++ b/src/shader_recompiler/backend/glsl/emit_glsl_integer.cpp
@@ -28,6 +28,7 @@ void SetSignFlag(EmitContext& ctx, IR::Inst& inst, std::string_view result) {
sign->Invalidate();
}
} // Anonymous namespace
+
void EmitIAdd32(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::string_view b) {
const auto result{ctx.var_alloc.Define(inst, GlslVarType::U32)};
if (IR::Inst* const carry{inst.GetAssociatedPseudoOperation(IR::Opcode::GetCarryFromOp)}) {
diff --git a/src/shader_recompiler/backend/glsl/emit_glsl_shared_memory.cpp b/src/shader_recompiler/backend/glsl/emit_glsl_shared_memory.cpp
index 8a13bf617f..518b78f064 100644
--- a/src/shader_recompiler/backend/glsl/emit_glsl_shared_memory.cpp
+++ b/src/shader_recompiler/backend/glsl/emit_glsl_shared_memory.cpp
@@ -20,6 +20,7 @@ void SharedWriteCas(EmitContext& ctx, std::string_view offset, std::string_view
ctx.Add(cas_loop, smem, smem, smem, value, bit_offset, num_bits);
}
} // Anonymous namespace
+
void EmitLoadSharedU8(EmitContext& ctx, IR::Inst& inst, std::string_view offset) {
ctx.AddU32("{}=bitfieldExtract(smem[{}>>2],int({}%4)*8,8);", inst, offset, offset);
}
diff --git a/src/shader_recompiler/backend/glsl/emit_glsl_warp.cpp b/src/shader_recompiler/backend/glsl/emit_glsl_warp.cpp
index 7047928fdf..4d418cbbc7 100644
--- a/src/shader_recompiler/backend/glsl/emit_glsl_warp.cpp
+++ b/src/shader_recompiler/backend/glsl/emit_glsl_warp.cpp
@@ -43,7 +43,7 @@ void UseShuffleNv(EmitContext& ctx, IR::Inst& inst, std::string_view shfl_op,
ctx.AddU32("{}={}({},{},{},shfl_in_bounds);", inst, shfl_op, value, index, width);
SetInBoundsFlag(ctx, inst);
}
-} // namespace
+} // Anonymous namespace
void EmitLaneId(EmitContext& ctx, IR::Inst& inst) {
ctx.AddU32("{}=gl_SubGroupInvocationARB&31u;", inst);
diff --git a/src/shader_recompiler/backend/glsl/var_alloc.cpp b/src/shader_recompiler/backend/glsl/var_alloc.cpp
index cbf56491c1..194f926cad 100644
--- a/src/shader_recompiler/backend/glsl/var_alloc.cpp
+++ b/src/shader_recompiler/backend/glsl/var_alloc.cpp
@@ -177,8 +177,7 @@ Id VarAlloc::Alloc(GlslVarType type) {
void VarAlloc::Free(Id id) {
if (id.is_valid == 0) {
- // throw LogicError("Freeing invalid variable");
- return;
+ throw LogicError("Freeing invalid variable");
}
auto& use_tracker{GetUseTracker(id.type)};
use_tracker.var_use[id.index] = false;
diff --git a/src/shader_recompiler/profile.h b/src/shader_recompiler/profile.h
index 236c79a0a9..6db794e910 100644
--- a/src/shader_recompiler/profile.h
+++ b/src/shader_recompiler/profile.h
@@ -105,6 +105,8 @@ struct Profile {
bool has_broken_signed_operations{};
/// Dynamic vec4 indexing is broken on some OpenGL drivers
bool has_gl_component_indexing_bug{};
+ /// The precise type qualifier is broken in the fragment stage of some drivers
+ bool has_gl_precise_bug{};
/// Ignores SPIR-V ordered vs unordered using GLSL semantics
bool ignore_nan_fp_comparisons{};
};
diff --git a/src/video_core/renderer_opengl/gl_shader_cache.cpp b/src/video_core/renderer_opengl/gl_shader_cache.cpp
index d082b9f738..5ffe28d45d 100644
--- a/src/video_core/renderer_opengl/gl_shader_cache.cpp
+++ b/src/video_core/renderer_opengl/gl_shader_cache.cpp
@@ -196,6 +196,8 @@ ShaderCache::ShaderCache(RasterizerOpenGL& rasterizer_, Core::Frontend::EmuWindo
.has_broken_spirv_clamp = true,
.has_broken_unsigned_image_offsets = true,
.has_broken_signed_operations = true,
+ .has_gl_component_indexing_bug = device.HasComponentIndexingBug(),
+ .has_gl_precise_bug = device.HasPreciseBug(),
.ignore_nan_fp_comparisons = true,
} {
if (use_asynchronous_shaders) {