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https://github.com/citra-emu/citra.git
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renderer_vulkan: SPIRV TrivialVertexShader generation
Seems to work just fine when hardware-shaders are disabled!
This commit is contained in:
Wunkolo
parent
99e83a4ab8
commit
3fb681bcc6
@ -89,8 +89,7 @@ PipelineCache::PipelineCache(const Instance& instance_, Scheduler& scheduler_,
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DescriptorSetProvider{instance, pool, TEXTURE_BINDINGS},
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DescriptorSetProvider{instance, pool, SHADOW_BINDINGS}},
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trivial_vertex_shader{
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instance, vk::ShaderStageFlagBits::eVertex,
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GLSL::GenerateTrivialVertexShader(instance.IsShaderClipDistanceSupported(), true)} {
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instance, SPIRV::GenerateTrivialVertexShader(instance.IsShaderClipDistanceSupported())} {
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profile = Pica::Shader::Profile{
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.has_separable_shaders = true,
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.has_clip_planes = instance.IsShaderClipDistanceSupported(),
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@ -13,8 +13,7 @@ namespace Pica::Shader::Generator::SPIRV {
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constexpr u32 SPIRV_VERSION_1_3 = 0x00010300;
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VertexModule::VertexModule(const PicaVSConfig& config_, const Profile& profile_)
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: Sirit::Module{SPIRV_VERSION_1_3}, config{config_}, profile{profile_} {
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VertexModule::VertexModule() : Sirit::Module{SPIRV_VERSION_1_3} {
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DefineArithmeticTypes();
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DefineInterface();
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DefineEntryPoint();
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@ -22,25 +21,19 @@ VertexModule::VertexModule(const PicaVSConfig& config_, const Profile& profile_)
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VertexModule::~VertexModule() = default;
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void VertexModule::Generate() {
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AddLabel(OpLabel());
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OpReturn();
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OpFunctionEnd();
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}
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void VertexModule::DefineArithmeticTypes() {
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void_id = Name(TypeVoid(), "void_id");
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bool_id = Name(TypeBool(), "bool_id");
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f32_id = Name(TypeFloat(32), "f32_id");
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i32_id = Name(TypeSInt(32), "i32_id");
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u32_id = Name(TypeUInt(32), "u32_id");
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ids.void_id = Name(TypeVoid(), "void_id");
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ids.bool_id = Name(TypeBool(), "bool_id");
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ids.f32_id = Name(TypeFloat(32), "f32_id");
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ids.i32_id = Name(TypeSInt(32), "i32_id");
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ids.u32_id = Name(TypeUInt(32), "u32_id");
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for (u32 size = 2; size <= 4; size++) {
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const u32 i = size - 2;
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vec_ids.ids[i] = Name(TypeVector(f32_id, size), fmt::format("vec{}_id", size));
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ivec_ids.ids[i] = Name(TypeVector(i32_id, size), fmt::format("ivec{}_id", size));
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uvec_ids.ids[i] = Name(TypeVector(u32_id, size), fmt::format("uvec{}_id", size));
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bvec_ids.ids[i] = Name(TypeVector(bool_id, size), fmt::format("bvec{}_id", size));
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ids.bvec_ids.ids[i] = Name(TypeVector(ids.bool_id, size), fmt::format("bvec{}_id", size));
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ids.vec_ids.ids[i] = Name(TypeVector(ids.f32_id, size), fmt::format("vec{}_id", size));
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ids.ivec_ids.ids[i] = Name(TypeVector(ids.i32_id, size), fmt::format("ivec{}_id", size));
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ids.uvec_ids.ids[i] = Name(TypeVector(ids.u32_id, size), fmt::format("uvec{}_id", size));
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}
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}
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@ -51,17 +44,104 @@ void VertexModule::DefineEntryPoint() {
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const Id main_type{TypeFunction(TypeVoid())};
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const Id main_func{OpFunction(TypeVoid(), spv::FunctionControlMask::MaskNone, main_type)};
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AddEntryPoint(spv::ExecutionModel::Vertex, main_func, "main");
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const Id interface_ids[] = {
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ids.vert_in_position_id, ids.vert_in_color_id, ids.vert_in_texcoord0_id,
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ids.vert_in_texcoord1_id, ids.vert_in_texcoord2_id, ids.vert_in_texcoord0_w_id,
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ids.vert_in_normquat_id, ids.vert_in_view_id, ids.gl_position,
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ids.vert_out_color_id, ids.vert_out_texcoord0_id, ids.vert_out_texcoord1_id,
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ids.vert_out_texcoord2_id, ids.vert_out_texcoord0_w_id, ids.vert_out_normquat_id,
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ids.vert_out_view_id,
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};
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AddEntryPoint(spv::ExecutionModel::Vertex, main_func, "main", interface_ids);
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}
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void VertexModule::DefineInterface() {
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// Define interface block
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// Inputs
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ids.vert_in_position_id =
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Name(DefineInput(ids.vec_ids.Get(4), ATTRIBUTE_POSITION), "vert_in_position_id");
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ids.vert_in_color_id =
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Name(DefineInput(ids.vec_ids.Get(4), ATTRIBUTE_COLOR), "vert_in_color_id");
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ids.vert_in_texcoord0_id =
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Name(DefineInput(ids.vec_ids.Get(2), ATTRIBUTE_TEXCOORD0), "vert_in_texcoord0_id");
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ids.vert_in_texcoord1_id =
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Name(DefineInput(ids.vec_ids.Get(2), ATTRIBUTE_TEXCOORD1), "vert_in_texcoord1_id");
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ids.vert_in_texcoord2_id =
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Name(DefineInput(ids.vec_ids.Get(2), ATTRIBUTE_TEXCOORD2), "vert_in_texcoord2_id");
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ids.vert_in_texcoord0_w_id =
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Name(DefineInput(ids.f32_id, ATTRIBUTE_TEXCOORD0_W), "vert_in_texcoord0_w_id");
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ids.vert_in_normquat_id =
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Name(DefineInput(ids.vec_ids.Get(4), ATTRIBUTE_NORMQUAT), "vert_in_normquat_id");
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ids.vert_in_view_id = Name(DefineInput(ids.vec_ids.Get(3), ATTRIBUTE_VIEW), "vert_in_view_id");
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// Outputs
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ids.vert_out_color_id =
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Name(DefineOutput(ids.vec_ids.Get(4), ATTRIBUTE_COLOR), "vert_out_color_id");
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ids.vert_out_texcoord0_id =
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Name(DefineOutput(ids.vec_ids.Get(2), ATTRIBUTE_TEXCOORD0), "vert_out_texcoord0_id");
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ids.vert_out_texcoord1_id =
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Name(DefineOutput(ids.vec_ids.Get(2), ATTRIBUTE_TEXCOORD1), "vert_out_texcoord1_id");
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ids.vert_out_texcoord2_id =
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Name(DefineOutput(ids.vec_ids.Get(2), ATTRIBUTE_TEXCOORD2), "vert_out_texcoord2_id");
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ids.vert_out_texcoord0_w_id =
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Name(DefineOutput(ids.f32_id, ATTRIBUTE_TEXCOORD0_W), "vert_out_texcoord0_w_id");
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ids.vert_out_normquat_id =
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Name(DefineOutput(ids.vec_ids.Get(4), ATTRIBUTE_NORMQUAT), "vert_out_normquat_id");
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ids.vert_out_view_id =
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Name(DefineOutput(ids.vec_ids.Get(3), ATTRIBUTE_VIEW), "vert_out_view_id");
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// Built-ins
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ids.gl_position = DefineVar(ids.vec_ids.Get(4), spv::StorageClass::Output);
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Decorate(ids.gl_position, spv::Decoration::BuiltIn, spv::BuiltIn::Position);
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}
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void VertexModule::Generate(Common::UniqueFunction<void, Sirit::Module&, const EmitterIDs&> proc) {
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AddLabel(OpLabel());
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proc(*this, ids);
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OpReturn();
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OpFunctionEnd();
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}
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void VertexModule::Generate(const PicaVSConfig& config, const Profile& profile) {
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AddLabel(OpLabel());
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OpReturn();
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OpFunctionEnd();
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}
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std::vector<u32> GenerateTrivialVertexShader(bool use_clip_planes) {
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VertexModule module;
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module.Generate([](Sirit::Module& code, const VertexModule::EmitterIDs& ids) -> void {
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code.OpStore(ids.gl_position, code.OpLoad(ids.vec_ids.Get(4), ids.vert_in_position_id));
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// Negate Z
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const Id pos_z = code.OpAccessChain(code.TypePointer(spv::StorageClass::Output, ids.f32_id),
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ids.gl_position, code.Constant(ids.u32_id, 2));
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code.OpStore(pos_z, code.OpFNegate(ids.f32_id, code.OpLoad(ids.f32_id, pos_z)));
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// Pass-through
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code.OpStore(ids.vert_out_color_id, code.OpLoad(ids.vec_ids.Get(4), ids.vert_in_color_id));
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code.OpStore(ids.vert_out_texcoord0_id,
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code.OpLoad(ids.vec_ids.Get(2), ids.vert_in_texcoord0_id));
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code.OpStore(ids.vert_out_texcoord1_id,
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code.OpLoad(ids.vec_ids.Get(2), ids.vert_in_texcoord1_id));
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code.OpStore(ids.vert_out_texcoord2_id,
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code.OpLoad(ids.vec_ids.Get(2), ids.vert_in_texcoord2_id));
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code.OpStore(ids.vert_out_texcoord0_w_id,
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code.OpLoad(ids.f32_id, ids.vert_in_texcoord0_w_id));
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code.OpStore(ids.vert_out_normquat_id,
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code.OpLoad(ids.vec_ids.Get(4), ids.vert_in_normquat_id));
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code.OpStore(ids.vert_out_view_id, code.OpLoad(ids.vec_ids.Get(3), ids.vert_in_view_id));
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});
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return module.Assemble();
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}
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std::vector<u32> GenerateVertexShader(const ShaderSetup& setup, const PicaVSConfig& config,
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const Profile& profile) {
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VertexModule module(config, profile);
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module.Generate();
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VertexModule module;
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module.Generate(config, profile);
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return module.Assemble();
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}
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@ -6,6 +6,8 @@
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#include <sirit/sirit.h>
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#include "common/unique_function.h"
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namespace Pica {
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struct ShaderSetup;
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}
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@ -35,21 +37,37 @@ struct VectorIds {
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class VertexModule : public Sirit::Module {
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public:
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explicit VertexModule(const PicaVSConfig& config, const Profile& profile);
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explicit VertexModule();
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~VertexModule();
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/// Emits SPIR-V bytecode corresponding to the provided pica vertex configuration
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void Generate();
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private:
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template <bool global = true>
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[[nodiscard]] Id DefineVar(Id type, spv::StorageClass storage_class) {
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const Id pointer_type_id{TypePointer(storage_class, type)};
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return global ? AddGlobalVariable(pointer_type_id, storage_class)
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: AddLocalVariable(pointer_type_id, storage_class);
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}
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/// Defines an input variable
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[[nodiscard]] Id DefineInput(Id type, u32 location) {
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const Id input_id{DefineVar(type, spv::StorageClass::Input)};
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Decorate(input_id, spv::Decoration::Location, location);
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return input_id;
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}
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/// Defines an output variable
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[[nodiscard]] Id DefineOutput(Id type, u32 location) {
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const Id output_id{DefineVar(type, spv::StorageClass::Output)};
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Decorate(output_id, spv::Decoration::Location, location);
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return output_id;
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}
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void DefineArithmeticTypes();
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void DefineEntryPoint();
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void DefineInterface();
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private:
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const PicaVSConfig& config;
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const Profile& profile;
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public:
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struct EmitterIDs {
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Id void_id{};
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Id bool_id{};
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Id f32_id{};
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@ -60,14 +78,49 @@ private:
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VectorIds ivec_ids{};
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VectorIds uvec_ids{};
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VectorIds bvec_ids{};
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// Input vertex attributes
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Id vert_in_position_id{};
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Id vert_in_color_id{};
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Id vert_in_texcoord0_id{};
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Id vert_in_texcoord1_id{};
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Id vert_in_texcoord2_id{};
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Id vert_in_texcoord0_w_id{};
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Id vert_in_normquat_id{};
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Id vert_in_view_id{};
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// Output vertex attributes
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Id vert_out_color_id{};
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Id vert_out_texcoord0_id{};
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Id vert_out_texcoord1_id{};
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Id vert_out_texcoord2_id{};
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Id vert_out_texcoord0_w_id{};
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Id vert_out_normquat_id{};
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Id vert_out_view_id{};
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// Built-ins
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Id gl_position;
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} ids;
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/// Generate code using the provided SPIRV emitter context
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void Generate(Common::UniqueFunction<void, Sirit::Module&, const EmitterIDs&> proc);
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/// Emits SPIR-V bytecode corresponding to the provided pica vertex configuration
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void Generate(const PicaVSConfig& config, const Profile& profile);
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};
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/**
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* Generates the SPIRV vertex shader program source code that accepts vertices from software shader
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* and directly passes them to the fragment shader.
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* @returns SPIRV shader assembly; empty on failure
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*/
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std::vector<u32> GenerateTrivialVertexShader(bool use_clip_planes);
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/**
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* Generates the SPIRV vertex shader program source code for the given VS program
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* @param config ShaderCacheKey object generated for the current Pica state, used for the shader
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* configuration (NOTE: Use state in this struct only, not the Pica registers!)
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* @param separable_shader generates shader that can be used for separate shader object
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* @returns String of the shader source code; empty on failure
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* @returns SPIRV shader assembly; empty on failure
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*/
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std::vector<u32> GenerateVertexShader(const Pica::ShaderSetup& setup, const PicaVSConfig& config,
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const Profile& profile);
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