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glasm: Implement TXQ and improve texture info reads

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This commit is contained in:
ReinUsesLisp 2021-05-18 21:05:46 -03:00 committed by ameerj
parent c560bf99c2
commit 0a42277a4f
2 changed files with 51 additions and 50 deletions
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63
src/shader_recompiler/backend/glasm/emit_glasm_image.cpp
View file

@ -40,13 +40,33 @@ struct ScopedRegister {
Register reg;
};
std::string Texture([[maybe_unused]] EmitContext& ctx, IR::TextureInstInfo info,
std::string Texture(EmitContext& ctx, IR::TextureInstInfo info,
[[maybe_unused]] const IR::Value& index) {
// FIXME
return fmt::format("texture[{}]", info.descriptor_index);
// FIXME: indexed reads
return fmt::format("texture[{}]", ctx.texture_bindings.at(info.descriptor_index));
}
std::string_view TextureType(IR::TextureInstInfo info) {
if (info.is_depth) {
switch (info.type) {
case TextureType::Color1D:
return "SHADOW1D";
case TextureType::ColorArray1D:
return "SHADOWARRAY1D";
case TextureType::Color2D:
return "SHADOW2D";
case TextureType::ColorArray2D:
return "SHADOWARRAY2D";
case TextureType::Color3D:
return "SHADOW3D";
case TextureType::ColorCube:
return "SHADOWCUBE";
case TextureType::ColorArrayCube:
return "SHADOWARRAYCUBE";
case TextureType::Buffer:
return "SHADOWBUFFER";
}
} else {
switch (info.type) {
case TextureType::Color1D:
return "1D";
@ -65,27 +85,6 @@ std::string_view TextureType(IR::TextureInstInfo info) {
case TextureType::Buffer:
return "BUFFER";
}
throw InvalidArgument("Invalid texture type {}", info.type.Value());
}
std::string_view ShadowTextureType(IR::TextureInstInfo info) {
switch (info.type) {
case TextureType::Color1D:
return "SHADOW1D";
case TextureType::ColorArray1D:
return "SHADOWARRAY1D";
case TextureType::Color2D:
return "SHADOW2D";
case TextureType::ColorArray2D:
return "SHADOWARRAY2D";
case TextureType::Color3D:
return "SHADOW3D";
case TextureType::ColorCube:
return "SHADOWCUBE";
case TextureType::ColorArrayCube:
return "SHADOWARRAYCUBE";
case TextureType::Buffer:
return "SHADOWBUFFER";
}
throw InvalidArgument("Invalid texture type {}", info.type.Value());
}
@ -217,7 +216,7 @@ void EmitImageSampleDrefImplicitLod(EmitContext& ctx, IR::Inst& inst, const IR::
const auto info{inst.Flags<IR::TextureInstInfo>()};
const auto sparse_inst{inst.GetAssociatedPseudoOperation(IR::Opcode::GetSparseFromOp)};
const std::string_view sparse_mod{sparse_inst ? ".SPARSE" : ""};
const std::string_view type{ShadowTextureType(info)};
const std::string_view type{TextureType(info)};
const std::string texture{Texture(ctx, info, index)};
const std::string offset_vec{Offset(ctx, offset)};
const auto [coord_vec, coord_alloc]{Coord(ctx, coord)};
@ -319,7 +318,7 @@ void EmitImageSampleDrefExplicitLod(EmitContext& ctx, IR::Inst& inst, const IR::
const auto info{inst.Flags<IR::TextureInstInfo>()};
const auto sparse_inst{inst.GetAssociatedPseudoOperation(IR::Opcode::GetSparseFromOp)};
const std::string_view sparse_mod{sparse_inst ? ".SPARSE" : ""};
const std::string_view type{ShadowTextureType(info)};
const std::string_view type{TextureType(info)};
const std::string texture{Texture(ctx, info, index)};
const std::string offset_vec{Offset(ctx, offset)};
const auto [coord_vec, coord_alloc]{Coord(ctx, coord)};
@ -389,7 +388,7 @@ void EmitImageGatherDref(EmitContext& ctx, IR::Inst& inst, const IR::Value& inde
const auto info{inst.Flags<IR::TextureInstInfo>()};
const auto sparse_inst{inst.GetAssociatedPseudoOperation(IR::Opcode::GetSparseFromOp)};
const std::string_view sparse_mod{sparse_inst ? ".SPARSE" : ""};
const std::string_view type{ShadowTextureType(info)};
const std::string_view type{TextureType(info)};
const std::string texture{Texture(ctx, info, index)};
const Register coord_vec{ctx.reg_alloc.Consume(coord)};
const ScalarF32 dref_value{ctx.reg_alloc.Consume(dref)};
@ -429,10 +428,12 @@ void EmitImageFetch([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst
throw NotImplementedException("GLASM instruction");
}
void EmitImageQueryDimensions([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
[[maybe_unused]] const IR::Value& index,
[[maybe_unused]] Register lod) {
throw NotImplementedException("GLASM instruction");
void EmitImageQueryDimensions(EmitContext& ctx, IR::Inst& inst, const IR::Value& index,
ScalarF32 lod) {
const auto info{inst.Flags<IR::TextureInstInfo>()};
const std::string texture{Texture(ctx, info, index)};
const std::string_view type{TextureType(info)};
ctx.Add("TXQ {},{},{},{};", inst, lod, texture, type);
}
void EmitImageQueryLod([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,

2
src/shader_recompiler/backend/glasm/emit_glasm_instructions.h
View file

@ -543,7 +543,7 @@ void EmitImageGatherDref(EmitContext& ctx, IR::Inst& inst, const IR::Value& inde
void EmitImageFetch(EmitContext& ctx, IR::Inst& inst, const IR::Value& index, Register coord,
Register offset, Register lod, Register ms);
void EmitImageQueryDimensions(EmitContext& ctx, IR::Inst& inst, const IR::Value& index,
Register lod);
ScalarF32 lod);
void EmitImageQueryLod(EmitContext& ctx, IR::Inst& inst, const IR::Value& index, Register coord);
void EmitImageGradient(EmitContext& ctx, IR::Inst& inst, const IR::Value& index, Register coord,
Register derivates, Register offset, Register lod_clamp);