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video_core: Generate mipmap texture by drawing

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This commit is contained in:
FengChen 2022-09-01 22:05:11 +08:00
parent cbc2761f11
commit 9a95c7fa14
29 changed files with 259 additions and 8 deletions
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3
src/shader_recompiler/backend/glasm/emit_glasm.cpp
View file

@ -450,6 +450,9 @@ std::string EmitGLASM(const Profile& profile, const RuntimeInfo& runtime_info, I
if (program.info.uses_rescaling_uniform) {
header += "PARAM scaling[1]={program.local[0..0]};";
}
if (program.info.uses_render_area) {
header += "PARAM render_area[1]={program.local[1..1]};";
}
header += "TEMP ";
for (size_t index = 0; index < ctx.reg_alloc.NumUsedRegisters(); ++index) {
header += fmt::format("R{},", index);

4
src/shader_recompiler/backend/glasm/emit_glasm_context_get_set.cpp
View file

@ -379,6 +379,10 @@ void EmitResolutionDownFactor(EmitContext& ctx, IR::Inst& inst) {
ctx.Add("MOV.F {}.x,scaling[0].z;", inst);
}
void EmitRenderArea(EmitContext& ctx, IR::Inst& inst) {
ctx.Add("MOV.F {},render_area[0];", inst);
}
void EmitLoadLocal(EmitContext& ctx, IR::Inst& inst, ScalarU32 word_offset) {
ctx.Add("MOV.U {},lmem[{}].x;", inst, word_offset);
}

1
src/shader_recompiler/backend/glasm/emit_glasm_instructions.h
View file

@ -73,6 +73,7 @@ void EmitSampleId(EmitContext& ctx, IR::Inst& inst);
void EmitIsHelperInvocation(EmitContext& ctx, IR::Inst& inst);
void EmitYDirection(EmitContext& ctx, IR::Inst& inst);
void EmitResolutionDownFactor(EmitContext& ctx, IR::Inst& inst);
void EmitRenderArea(EmitContext& ctx, IR::Inst& inst);
void EmitLoadLocal(EmitContext& ctx, IR::Inst& inst, ScalarU32 word_offset);
void EmitWriteLocal(EmitContext& ctx, ScalarU32 word_offset, ScalarU32 value);
void EmitUndefU1(EmitContext& ctx, IR::Inst& inst);

4
src/shader_recompiler/backend/glsl/emit_glsl_context_get_set.cpp
View file

@ -416,6 +416,10 @@ void EmitResolutionDownFactor(EmitContext& ctx, IR::Inst& inst) {
ctx.AddF32("{}=scaling.z;", inst);
}
void EmitRenderArea(EmitContext& ctx, IR::Inst& inst) {
ctx.AddF32x4("{}=render_area;", inst);
}
void EmitLoadLocal(EmitContext& ctx, IR::Inst& inst, std::string_view word_offset) {
ctx.AddU32("{}=lmem[{}];", inst, word_offset);
}

1
src/shader_recompiler/backend/glsl/emit_glsl_instructions.h
View file

@ -87,6 +87,7 @@ void EmitSampleId(EmitContext& ctx, IR::Inst& inst);
void EmitIsHelperInvocation(EmitContext& ctx, IR::Inst& inst);
void EmitYDirection(EmitContext& ctx, IR::Inst& inst);
void EmitResolutionDownFactor(EmitContext& ctx, IR::Inst& inst);
void EmitRenderArea(EmitContext& ctx, IR::Inst& inst);
void EmitLoadLocal(EmitContext& ctx, IR::Inst& inst, std::string_view word_offset);
void EmitWriteLocal(EmitContext& ctx, std::string_view word_offset, std::string_view value);
void EmitUndefU1(EmitContext& ctx, IR::Inst& inst);

3
src/shader_recompiler/backend/glsl/glsl_emit_context.cpp
View file

@ -358,6 +358,9 @@ EmitContext::EmitContext(IR::Program& program, Bindings& bindings, const Profile
if (info.uses_rescaling_uniform) {
header += "layout(location=0) uniform vec4 scaling;";
}
if (info.uses_render_area) {
header += "layout(location=1) uniform vec4 render_area;";
}
DefineConstantBuffers(bindings);
DefineConstantBufferIndirect();
DefineStorageBuffers(bindings);

4
src/shader_recompiler/backend/spirv/emit_spirv.h
View file

@ -23,8 +23,12 @@ struct RescalingLayout {
alignas(16) std::array<u32, NUM_IMAGE_SCALING_WORDS> rescaling_images;
u32 down_factor;
};
struct RenderAreaLayout {
std::array<f32, 4> render_area;
};
constexpr u32 RESCALING_LAYOUT_WORDS_OFFSET = offsetof(RescalingLayout, rescaling_textures);
constexpr u32 RESCALING_LAYOUT_DOWN_FACTOR_OFFSET = offsetof(RescalingLayout, down_factor);
constexpr u32 RENDERAREA_LAYOUT_OFFSET = offsetof(RenderAreaLayout, render_area);
[[nodiscard]] std::vector<u32> EmitSPIRV(const Profile& profile, const RuntimeInfo& runtime_info,
IR::Program& program, Bindings& bindings);

12
src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp
View file

@ -353,7 +353,6 @@ Id EmitGetAttribute(EmitContext& ctx, IR::Attribute attr, Id vertex) {
case IR::Attribute::TessellationEvaluationPointV:
return ctx.OpLoad(ctx.F32[1],
ctx.OpAccessChain(ctx.input_f32, ctx.tess_coord, ctx.Const(1U)));
default:
throw NotImplementedException("Read attribute {}", attr);
}
@ -537,6 +536,17 @@ Id EmitResolutionDownFactor(EmitContext& ctx) {
}
}
Id EmitRenderArea(EmitContext& ctx) {
if (ctx.profile.unified_descriptor_binding) {
const Id pointer_type{ctx.TypePointer(spv::StorageClass::PushConstant, ctx.F32[4])};
const Id index{ctx.Const(ctx.render_are_member_index)};
const Id pointer{ctx.OpAccessChain(pointer_type, ctx.render_area_push_constant, index)};
return ctx.OpLoad(ctx.F32[4], pointer);
} else {
throw NotImplementedException("SPIR-V Instruction");
}
}
Id EmitLoadLocal(EmitContext& ctx, Id word_offset) {
const Id pointer{ctx.OpAccessChain(ctx.private_u32, ctx.local_memory, word_offset)};
return ctx.OpLoad(ctx.U32[1], pointer);

1
src/shader_recompiler/backend/spirv/emit_spirv_instructions.h
View file

@ -76,6 +76,7 @@ Id EmitSampleId(EmitContext& ctx);
Id EmitIsHelperInvocation(EmitContext& ctx);
Id EmitYDirection(EmitContext& ctx);
Id EmitResolutionDownFactor(EmitContext& ctx);
Id EmitRenderArea(EmitContext& ctx);
Id EmitLoadLocal(EmitContext& ctx, Id word_offset);
void EmitWriteLocal(EmitContext& ctx, Id word_offset, Id value);
Id EmitUndefU1(EmitContext& ctx);

31
src/shader_recompiler/backend/spirv/spirv_emit_context.cpp
View file

@ -473,6 +473,7 @@ EmitContext::EmitContext(const Profile& profile_, const RuntimeInfo& runtime_inf
DefineAttributeMemAccess(program.info);
DefineGlobalMemoryFunctions(program.info);
DefineRescalingInput(program.info);
DefineRenderArea(program.info);
}
EmitContext::~EmitContext() = default;
@ -982,6 +983,36 @@ void EmitContext::DefineRescalingInputUniformConstant() {
}
}
void EmitContext::DefineRenderArea(const Info& info) {
if (!info.uses_render_area) {
return;
}
if (profile.unified_descriptor_binding) {
boost::container::static_vector<Id, 1> members{};
u32 member_index{0};
members.push_back(F32[4]);
render_are_member_index = member_index++;
const Id push_constant_struct{TypeStruct(std::span(members.data(), members.size()))};
Decorate(push_constant_struct, spv::Decoration::Block);
Name(push_constant_struct, "RenderAreaInfo");
MemberDecorate(push_constant_struct, render_are_member_index, spv::Decoration::Offset, 0);
MemberName(push_constant_struct, render_are_member_index, "render_area");
const Id pointer_type{TypePointer(spv::StorageClass::PushConstant, push_constant_struct)};
render_area_push_constant =
AddGlobalVariable(pointer_type, spv::StorageClass::PushConstant);
Name(render_area_push_constant, "render_area_push_constants");
if (profile.supported_spirv >= 0x00010400) {
interfaces.push_back(render_area_push_constant);
}
}
}
void EmitContext::DefineConstantBuffers(const Info& info, u32& binding) {
if (info.constant_buffer_descriptors.empty()) {
return;

4
src/shader_recompiler/backend/spirv/spirv_emit_context.h
View file

@ -243,6 +243,9 @@ public:
u32 texture_rescaling_index{};
u32 image_rescaling_index{};
Id render_area_push_constant{};
u32 render_are_member_index{};
Id local_memory{};
Id shared_memory_u8{};
@ -318,6 +321,7 @@ private:
void DefineRescalingInput(const Info& info);
void DefineRescalingInputPushConstant();
void DefineRescalingInputUniformConstant();
void DefineRenderArea(const Info& info);
void DefineInputs(const IR::Program& program);
void DefineOutputs(const IR::Program& program);