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glsl: Fix bindings, add some CC ops

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This commit is contained in:
ameerj
2021-05-27 22:28:33 -04:00
parent 6674637853
commit 2a71333716
8 changed files with 92 additions and 58 deletions
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57
src/shader_recompiler/backend/glsl/emit_context.cpp
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@@ -20,6 +20,20 @@ std::string_view InterpDecorator(Interpolation interp) {
}
throw InvalidArgument("Invalid interpolation {}", interp);
}
std::string_view SamplerType(TextureType type) {
switch (type) {
case TextureType::Color2D:
return "sampler2D";
case TextureType::ColorArray2D:
return "sampler2DArray";
case TextureType::Color3D:
return "sampler3D";
default:
throw NotImplementedException("Texture type: {}", type);
}
}
} // namespace
EmitContext::EmitContext(IR::Program& program, Bindings& bindings, const Profile& profile_,
@@ -31,27 +45,23 @@ EmitContext::EmitContext(IR::Program& program, Bindings& bindings, const Profile
switch (program.stage) {
case Stage::VertexA:
case Stage::VertexB:
stage_name = "vertex";
attrib_name = "vertex";
stage_name = "vs";
// TODO: add only what's used by the shader
header +=
"out gl_PerVertex {vec4 gl_Position;float gl_PointSize;float gl_ClipDistance[];};";
break;
case Stage::TessellationControl:
case Stage::TessellationEval:
stage_name = "primitive";
attrib_name = "primitive";
stage_name = "ts";
break;
case Stage::Geometry:
stage_name = "primitive";
attrib_name = "vertex";
stage_name = "gs";
break;
case Stage::Fragment:
stage_name = "fragment";
attrib_name = "fragment";
stage_name = "fs";
break;
case Stage::Compute:
stage_name = "invocation";
stage_name = "cs";
header += fmt::format("layout(local_size_x={},local_size_y={},local_size_z={}) in;\n",
program.workgroup_size[0], program.workgroup_size[1],
program.workgroup_size[2]);
@@ -77,12 +87,12 @@ EmitContext::EmitContext(IR::Program& program, Bindings& bindings, const Profile
Add("layout(location={}) out vec4 out_attr{};", index, index);
}
}
DefineConstantBuffers();
DefineStorageBuffers();
DefineHelperFunctions();
DefineConstantBuffers(bindings);
DefineStorageBuffers(bindings);
SetupImages(bindings);
Add("void main(){{");
DefineHelperFunctions();
Add("void main(){{");
if (stage == Stage::VertexA || stage == Stage::VertexB) {
Add("gl_Position = vec4(0.0f, 0.0f, 0.0f, 1.0f);");
}
@@ -112,27 +122,25 @@ void EmitContext::SetupExtensions(std::string& header) {
}
}
void EmitContext::DefineConstantBuffers() {
void EmitContext::DefineConstantBuffers(Bindings& bindings) {
if (info.constant_buffer_descriptors.empty()) {
return;
}
u32 binding{};
for (const auto& desc : info.constant_buffer_descriptors) {
Add("layout(std140,binding={}) uniform cbuf_{}{{vec4 cbuf{}[{}];}};", binding, desc.index,
desc.index, 4 * 1024);
++binding;
Add("layout(std140,binding={}) uniform {}_cbuf_{}{{vec4 {}_cbuf{}[{}];}};",
bindings.uniform_buffer, stage_name, desc.index, stage_name, desc.index, 4 * 1024);
bindings.uniform_buffer += desc.count;
}
}
void EmitContext::DefineStorageBuffers() {
void EmitContext::DefineStorageBuffers(Bindings& bindings) {
if (info.storage_buffers_descriptors.empty()) {
return;
}
u32 binding{};
for (const auto& desc : info.storage_buffers_descriptors) {
Add("layout(std430,binding={}) buffer ssbo_{}{{uint ssbo{}[];}};", binding, binding,
desc.cbuf_index, desc.count);
++binding;
Add("layout(std430,binding={}) buffer ssbo_{}{{uint ssbo{}[];}};", bindings.storage_buffer,
bindings.storage_buffer, desc.cbuf_index);
bindings.storage_buffer += desc.count;
}
}
@@ -203,10 +211,11 @@ void EmitContext::SetupImages(Bindings& bindings) {
}
texture_bindings.reserve(info.texture_descriptors.size());
for (const auto& desc : info.texture_descriptors) {
const auto sampler_type{SamplerType(desc.type)};
texture_bindings.push_back(bindings.texture);
const auto indices{bindings.texture + desc.count};
for (u32 index = bindings.texture; index < indices; ++index) {
Add("layout(binding={}) uniform sampler2D tex{};", bindings.texture, index);
Add("layout(binding={}) uniform {} tex{};", bindings.texture, sampler_type, index);
}
bindings.texture += desc.count;
}

5
src/shader_recompiler/backend/glsl/emit_context.h
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@@ -127,7 +127,6 @@ public:
Stage stage{};
std::string_view stage_name = "invalid";
std::string_view attrib_name = "invalid";
std::vector<u32> texture_buffer_bindings;
std::vector<u32> image_buffer_bindings;
@@ -138,8 +137,8 @@ public:
private:
void SetupExtensions(std::string& header);
void DefineConstantBuffers();
void DefineStorageBuffers();
void DefineConstantBuffers(Bindings& bindings);
void DefineStorageBuffers(Bindings& bindings);
void DefineHelperFunctions();
void SetupImages(Bindings& bindings);
};

33
src/shader_recompiler/backend/glsl/emit_glsl_context_get_set.cpp
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@@ -43,23 +43,24 @@ void EmitGetCbufS16([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] const IR
void EmitGetCbufU32(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
const IR::Value& offset) {
if (offset.IsImmediate()) {
ctx.AddU32("{}=floatBitsToUint(cbuf{}[{}].{});", inst, binding.U32(), offset.U32() / 16,
OffsetSwizzle(offset.U32()));
ctx.AddU32("{}=floatBitsToUint({}_cbuf{}[{}].{});", inst, ctx.stage_name, binding.U32(),
offset.U32() / 16, OffsetSwizzle(offset.U32()));
} else {
const auto offset_var{ctx.reg_alloc.Consume(offset)};
ctx.AddU32("{}=floatBitsToUint(cbuf{}[{}/16][({}/4)%4]);", inst, binding.U32(), offset_var,
offset_var);
ctx.AddU32("{}=floatBitsToUint({}_cbuf{}[{}/16][({}/4)%4]);", inst, ctx.stage_name,
binding.U32(), offset_var, offset_var);
}
}
void EmitGetCbufF32(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
const IR::Value& offset) {
if (offset.IsImmediate()) {
ctx.AddF32("{}=cbuf{}[{}].{};", inst, binding.U32(), offset.U32() / 16,
ctx.AddF32("{}={}_cbuf{}[{}].{};", inst, ctx.stage_name, binding.U32(), offset.U32() / 16,
OffsetSwizzle(offset.U32()));
} else {
const auto offset_var{ctx.reg_alloc.Consume(offset)};
ctx.AddF32("{}=cbuf{}[{}/16][({}/4)%4];", inst, binding.U32(), offset_var, offset_var);
ctx.AddF32("{}={}_cbuf{}[{}/16][({}/4)%4];", inst, ctx.stage_name, binding.U32(),
offset_var, offset_var);
}
}
@@ -68,15 +69,17 @@ void EmitGetCbufU32x2(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding
if (offset.IsImmediate()) {
const auto u32_offset{offset.U32()};
const auto index{(u32_offset / 4) % 4};
ctx.AddU32x2("{}=uvec2(floatBitsToUint(cbuf{}[{}].{}),floatBitsToUint(cbuf{}[{}].{}));",
inst, binding.U32(), offset.U32() / 16, OffsetSwizzle(offset.U32()),
binding.U32(), (offset.U32() + 1) / 16, OffsetSwizzle(offset.U32() + 1));
ctx.AddU32x2(
"{}=uvec2(floatBitsToUint({}_cbuf{}[{}].{}),floatBitsToUint({}_cbuf{}[{}].{}));", inst,
ctx.stage_name, binding.U32(), offset.U32() / 16, OffsetSwizzle(offset.U32()),
ctx.stage_name, binding.U32(), (offset.U32() + 1) / 16,
OffsetSwizzle(offset.U32() + 1));
} else {
const auto offset_var{ctx.reg_alloc.Consume(offset)};
ctx.AddU32x2("{}=uvec2(floatBitsToUint(cbuf{}[{}/16][({}/"
"4)%4]),floatBitsToUint(cbuf{}[({}+1)/16][(({}+1/4))%4]));",
inst, binding.U32(), offset_var, offset_var, binding.U32(), offset_var,
offset_var);
ctx.AddU32x2("{}=uvec2(floatBitsToUint({}_cbuf{}[{}/16][({}/"
"4)%4]),floatBitsToUint({}_cbuf{}[({}+1)/16][(({}+1/4))%4]));",
inst, ctx.stage_name, binding.U32(), offset_var, offset_var, ctx.stage_name,
binding.U32(), offset_var, offset_var);
}
}
@@ -107,10 +110,10 @@ void EmitGetAttribute(EmitContext& ctx, IR::Inst& inst, IR::Attribute attr,
}
break;
case IR::Attribute::InstanceId:
ctx.AddS32("{}=gl_InstanceID;", inst, ctx.attrib_name);
ctx.AddS32("{}=gl_InstanceID;", inst);
break;
case IR::Attribute::VertexId:
ctx.AddS32("{}=gl_VertexID;", inst, ctx.attrib_name);
ctx.AddS32("{}=gl_VertexID;", inst);
break;
default:
fmt::print("Get attribute {}", attr);

13
src/shader_recompiler/backend/glsl/emit_glsl_image.cpp
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@@ -32,14 +32,13 @@ void EmitImageSampleImplicitLod([[maybe_unused]] EmitContext& ctx, [[maybe_unuse
if (info.has_lod_clamp) {
throw NotImplementedException("Lod clamp samples");
}
if (!offset.IsEmpty()) {
throw NotImplementedException("Offset");
}
if (info.type != TextureType::Color2D) {
throw NotImplementedException("Texture type: {}", info.type.Value());
}
const auto texture{Texture(ctx, info, index)};
ctx.AddF32x4("{}=texture({},{});", inst, texture, coords);
if (!offset.IsEmpty()) {
ctx.AddF32x4("{}=textureOffset({},{},ivec2({}));", inst, texture, coords,
ctx.reg_alloc.Consume(offset));
} else {
ctx.AddF32x4("{}=texture({},{});", inst, texture, coords);
}
}
void EmitImageSampleExplicitLod([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,

4
src/shader_recompiler/backend/glsl/emit_glsl_instructions.h
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@@ -207,8 +207,8 @@ void EmitCompositeInsertF64x3(EmitContext& ctx, std::string_view composite, std:
u32 index);
void EmitCompositeInsertF64x4(EmitContext& ctx, std::string_view composite, std::string_view object,
u32 index);
void EmitSelectU1(EmitContext& ctx, std::string_view cond, std::string_view true_value,
std::string_view false_value);
void EmitSelectU1(EmitContext& ctx, IR::Inst& inst, std::string_view cond,
std::string_view true_value, std::string_view false_value);
void EmitSelectU8(EmitContext& ctx, std::string_view cond, std::string_view true_value,
std::string_view false_value);
void EmitSelectU16(EmitContext& ctx, std::string_view cond, std::string_view true_value,

29
src/shader_recompiler/backend/glsl/emit_glsl_integer.cpp
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@@ -8,8 +8,30 @@
#include "shader_recompiler/frontend/ir/value.h"
namespace Shader::Backend::GLSL {
namespace {
void SetZeroFlag(EmitContext& ctx, IR::Inst& inst, std::string_view result) {
IR::Inst* const zero{inst.GetAssociatedPseudoOperation(IR::Opcode::GetZeroFromOp)};
if (!zero) {
return;
}
ctx.AddU1("{}={}==0;", *zero, result);
zero->Invalidate();
}
void SetSignFlag(EmitContext& ctx, IR::Inst& inst, std::string_view result) {
IR::Inst* const sign{inst.GetAssociatedPseudoOperation(IR::Opcode::GetSignFromOp)};
if (!sign) {
return;
}
ctx.AddU1("{}=int({})<0;", *sign, result);
sign->Invalidate();
}
} // Anonymous namespace
void EmitIAdd32(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::string_view b) {
ctx.AddU32("{}={}+{};", inst, a, b);
const auto result{ctx.reg_alloc.Define(inst)};
ctx.Add("uint {}={}+{};", result, a, b);
SetZeroFlag(ctx, inst, result);
SetSignFlag(ctx, inst, result);
}
void EmitIAdd64(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::string_view b) {
@@ -98,7 +120,10 @@ void EmitBitFieldSExtract(EmitContext& ctx, IR::Inst& inst, std::string_view bas
void EmitBitFieldUExtract(EmitContext& ctx, IR::Inst& inst, std::string_view base,
std::string_view offset, std::string_view count) {
ctx.AddU32("{}=bitfieldExtract({}, int({}), int({}));", inst, base, offset, count);
const auto result{ctx.reg_alloc.Define(inst)};
ctx.Add("uint {}=bitfieldExtract({},int({}),int({}));", result, base, offset, count);
SetZeroFlag(ctx, inst, result);
SetSignFlag(ctx, inst, result);
}
void EmitBitReverse32(EmitContext& ctx, IR::Inst& inst, std::string_view value) {

2
src/shader_recompiler/backend/glsl/emit_glsl_not_implemented.cpp
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@@ -29,7 +29,7 @@ void EmitPhi(EmitContext& ctx, IR::Inst& phi) {
}
void EmitVoid(EmitContext& ctx) {
NotImplemented();
// NotImplemented();
}
void EmitReference(EmitContext&) {

7
src/shader_recompiler/backend/glsl/emit_glsl_select.cpp
View File

@@ -8,10 +8,9 @@
#include "shader_recompiler/frontend/ir/value.h"
namespace Shader::Backend::GLSL {
void EmitSelectU1([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] std::string_view cond,
[[maybe_unused]] std::string_view true_value,
[[maybe_unused]] std::string_view false_value) {
throw NotImplementedException("GLSL Instruction");
void EmitSelectU1(EmitContext& ctx, IR::Inst& inst, std::string_view cond,
std::string_view true_value, std::string_view false_value) {
ctx.AddU1("{}={}?{}:{};", inst, cond, true_value, false_value);
}
void EmitSelectU8([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] std::string_view cond,