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glsl: Implement TXQ and other misc changes

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This commit is contained in:
ameerj
2021-05-29 18:08:19 -04:00
parent 5fd92780b2
commit 3047eb6688
5 changed files with 36 additions and 6 deletions
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2
src/shader_recompiler/backend/glsl/emit_glsl.cpp
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@@ -190,7 +190,7 @@ std::string EmitGLSL(const Profile& profile, const RuntimeInfo& runtime_info, IR
}
ctx.code.insert(0, ctx.header);
ctx.code += "}";
fmt::print("\n{}\n", ctx.code);
// fmt::print("\n{}\n", ctx.code);
return ctx.code;
}

3
src/shader_recompiler/backend/glsl/emit_glsl_context_get_set.cpp
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@@ -118,6 +118,9 @@ void EmitGetAttribute(EmitContext& ctx, IR::Inst& inst, IR::Attribute attr,
case IR::Attribute::VertexId:
ctx.AddS32("{}=gl_VertexID;", inst);
break;
case IR::Attribute::FrontFace:
ctx.AddS32("{}=gl_FrontFacing?-1:0;", inst);
break;
default:
fmt::print("Get attribute {}", attr);
throw NotImplementedException("Get attribute {}", attr);

24
src/shader_recompiler/backend/glsl/emit_glsl_image.cpp
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@@ -351,7 +351,29 @@ void EmitImageFetch([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst
void EmitImageQueryDimensions([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
[[maybe_unused]] const IR::Value& index,
[[maybe_unused]] std::string_view lod) {
throw NotImplementedException("GLSL Instruction");
const auto info{inst.Flags<IR::TextureInstInfo>()};
const auto texture{Texture(ctx, info, index)};
switch (info.type) {
case TextureType::Color1D:
return ctx.AddU32x4(
"{}=uvec4(uint(textureSize({},int({}))),0u,0u,uint(textureQueryLevels({})));", inst,
texture, lod, texture);
case TextureType::ColorArray1D:
case TextureType::Color2D:
case TextureType::ColorCube:
return ctx.AddU32x4(
"{}=uvec4(uvec2(textureSize({},int({}))),0u,uint(textureQueryLevels({})));", inst,
texture, lod, texture);
case TextureType::ColorArray2D:
case TextureType::Color3D:
case TextureType::ColorArrayCube:
return ctx.AddU32x4(
"{}=uvec4(uvec3(textureSize({},int({}))),uint(textureQueryLevels({})));", inst, texture,
lod, texture);
case TextureType::Buffer:
throw NotImplementedException("Texture buffers");
}
throw LogicError("Unspecified image type {}", info.type.Value());
}
void EmitImageQueryLod([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,

2
src/shader_recompiler/backend/glsl/emit_glsl_not_implemented.cpp
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@@ -168,7 +168,7 @@ void EmitSetSampleMask(EmitContext& ctx, std::string_view value) {
}
void EmitSetFragDepth(EmitContext& ctx, std::string_view value) {
NotImplemented();
ctx.Add("gl_FragDepth={};", value);
}
void EmitGetZFlag(EmitContext& ctx) {

11
src/shader_recompiler/backend/glsl/reg_alloc.cpp
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@@ -37,9 +37,14 @@ std::string FormatFloat(std::string_view value, IR::Type type) {
return "uintBitsToFloat(0xff800000)";
}
}
const bool needs_dot = value.find_first_of('.') == std::string_view::npos;
const bool needs_suffix = !value.ends_with('f');
const auto suffix = type == IR::Type::F32 ? "f" : "lf";
if (value.find_first_of('e') != std::string_view::npos) {
// scientific notation
const auto cast{type == IR::Type::F32 ? "float" : "double"};
return fmt::format("{}({})", cast, value);
}
const bool needs_dot{value.find_first_of('.') == std::string_view::npos};
const bool needs_suffix{!value.ends_with('f')};
const auto suffix{type == IR::Type::F32 ? "f" : "lf"};
return fmt::format("{}{}{}", value, needs_dot ? "." : "", needs_suffix ? suffix : "");
}