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https://github.com/yuzu-emu/yuzu.git
synced 2024-08-21 10:33:21 +02:00
glsl: Implement legacy varyings
This commit is contained in:
parent
ff3de0fb6b
commit
6aa1bf7b6f
@ -200,6 +200,27 @@ std::string_view OutputPrimitive(OutputTopology topology) {
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throw InvalidArgument("Invalid output topology {}", topology);
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throw InvalidArgument("Invalid output topology {}", topology);
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}
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}
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void SetupLegacyOutPerVertex(EmitContext& ctx, std::string& header) {
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if (!ctx.info.stores_legacy_varyings) {
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return;
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}
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if (ctx.info.stores_fixed_fnc_textures) {
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header += "vec4 gl_TexCoord[8];";
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}
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if (ctx.info.stores_color_front_diffuse) {
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header += "vec4 gl_FrontColor;";
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}
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if (ctx.info.stores_color_front_specular) {
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header += "vec4 gl_FrontSecondaryColor;";
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}
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if (ctx.info.stores_color_back_diffuse) {
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header += "vec4 gl_BackColor;";
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}
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if (ctx.info.stores_color_back_specular) {
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header += "vec4 gl_BackSecondaryColor;";
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}
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}
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void SetupOutPerVertex(EmitContext& ctx, std::string& header) {
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void SetupOutPerVertex(EmitContext& ctx, std::string& header) {
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if (!StoresPerVertexAttributes(ctx.stage)) {
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if (!StoresPerVertexAttributes(ctx.stage)) {
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return;
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return;
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@ -215,18 +236,34 @@ void SetupOutPerVertex(EmitContext& ctx, std::string& header) {
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ctx.stage != Stage::Geometry) {
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ctx.stage != Stage::Geometry) {
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header += "int gl_ViewportIndex;";
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header += "int gl_ViewportIndex;";
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}
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}
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SetupLegacyOutPerVertex(ctx, header);
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header += "};";
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header += "};";
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if (ctx.info.stores_viewport_index && ctx.stage == Stage::Geometry) {
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if (ctx.info.stores_viewport_index && ctx.stage == Stage::Geometry) {
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header += "out int gl_ViewportIndex;";
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header += "out int gl_ViewportIndex;";
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}
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}
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}
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}
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void SetupLegacyInPerFragment(EmitContext& ctx, std::string& header) {
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if (!ctx.info.loads_legacy_varyings) {
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return;
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}
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header += "in gl_PerFragment{";
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if (ctx.info.loads_fixed_fnc_textures) {
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header += "vec4 gl_TexCoord[8];";
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}
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if (ctx.info.loads_color_front_diffuse) {
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header += "vec4 gl_Color;";
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}
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header += "};";
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}
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} // Anonymous namespace
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} // Anonymous namespace
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EmitContext::EmitContext(IR::Program& program, Bindings& bindings, const Profile& profile_,
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EmitContext::EmitContext(IR::Program& program, Bindings& bindings, const Profile& profile_,
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const RuntimeInfo& runtime_info_)
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const RuntimeInfo& runtime_info_)
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: info{program.info}, profile{profile_}, runtime_info{runtime_info_} {
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: info{program.info}, profile{profile_}, runtime_info{runtime_info_} {
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header += "#pragma optionNV(fastmath off)\n";
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header += "#pragma optionNV(fastmath off)\n";
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SetupExtensions(header);
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SetupExtensions();
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stage = program.stage;
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stage = program.stage;
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switch (program.stage) {
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switch (program.stage) {
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case Stage::VertexA:
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case Stage::VertexA:
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@ -271,6 +308,8 @@ EmitContext::EmitContext(IR::Program& program, Bindings& bindings, const Profile
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break;
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break;
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}
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}
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SetupOutPerVertex(*this, header);
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SetupOutPerVertex(*this, header);
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SetupLegacyInPerFragment(*this, header);
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for (size_t index = 0; index < info.input_generics.size(); ++index) {
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for (size_t index = 0; index < info.input_generics.size(); ++index) {
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const auto& generic{info.input_generics[index]};
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const auto& generic{info.input_generics[index]};
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if (generic.used) {
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if (generic.used) {
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@ -306,7 +345,7 @@ EmitContext::EmitContext(IR::Program& program, Bindings& bindings, const Profile
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DefineConstants();
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DefineConstants();
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}
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}
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void EmitContext::SetupExtensions(std::string&) {
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void EmitContext::SetupExtensions() {
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if (profile.support_gl_texture_shadow_lod) {
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if (profile.support_gl_texture_shadow_lod) {
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header += "#extension GL_EXT_texture_shadow_lod : enable\n";
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header += "#extension GL_EXT_texture_shadow_lod : enable\n";
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}
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}
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@ -157,7 +157,7 @@ public:
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bool uses_cc_carry{};
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bool uses_cc_carry{};
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private:
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private:
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void SetupExtensions(std::string& header);
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void SetupExtensions();
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void DefineConstantBuffers(Bindings& bindings);
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void DefineConstantBuffers(Bindings& bindings);
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void DefineStorageBuffers(Bindings& bindings);
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void DefineStorageBuffers(Bindings& bindings);
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void DefineGenericOutput(size_t index, u32 invocations);
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void DefineGenericOutput(size_t index, u32 invocations);
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@ -166,7 +166,7 @@ void EmitCode(EmitContext& ctx, const IR::Program& program) {
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}
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}
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std::string GlslVersionSpecifier(const EmitContext& ctx) {
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std::string GlslVersionSpecifier(const EmitContext& ctx) {
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if (ctx.uses_y_direction) {
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if (ctx.uses_y_direction || ctx.info.stores_legacy_varyings) {
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return " compatibility";
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return " compatibility";
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}
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}
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return "";
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return "";
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@ -98,6 +98,10 @@ void GetCbuf16(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding, const
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bit_offset);
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bit_offset);
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}
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}
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}
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}
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u32 TexCoordIndex(IR::Attribute attr) {
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return (static_cast<u32>(attr) - static_cast<u32>(IR::Attribute::FixedFncTexture0S)) / 4;
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}
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} // Anonymous namespace
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} // Anonymous namespace
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void EmitGetCbufU8(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
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void EmitGetCbufU8(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
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@ -178,6 +182,17 @@ void EmitGetAttribute(EmitContext& ctx, IR::Inst& inst, IR::Attribute attr,
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ctx.AddF32("{}=in_attr{}{}.{};", inst, index, InputVertexIndex(ctx, vertex), swizzle);
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ctx.AddF32("{}=in_attr{}{}.{};", inst, index, InputVertexIndex(ctx, vertex), swizzle);
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return;
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return;
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}
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}
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// GLSL only exposes 8 legacy texcoords
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if (attr >= IR::Attribute::FixedFncTexture8S && attr <= IR::Attribute::FixedFncTexture9Q) {
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// LOG_WARNING(..., "GLSL does not allow access to gl_TexCoord[{}]", TexCoordIndex(attr));
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ctx.AddF32("{}=0.f;", inst);
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return;
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}
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if (attr >= IR::Attribute::FixedFncTexture0S && attr <= IR::Attribute::FixedFncTexture7Q) {
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const u32 index{TexCoordIndex(attr)};
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ctx.AddF32("{}=gl_TexCoord[{}].{};", inst, index, swizzle);
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return;
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}
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switch (attr) {
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switch (attr) {
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case IR::Attribute::PrimitiveId:
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case IR::Attribute::PrimitiveId:
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ctx.AddF32("{}=itof(gl_PrimitiveID);", inst);
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ctx.AddF32("{}=itof(gl_PrimitiveID);", inst);
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@ -227,19 +242,29 @@ void EmitSetAttribute(EmitContext& ctx, IR::Attribute attr, std::string_view val
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[[maybe_unused]] std::string_view vertex) {
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[[maybe_unused]] std::string_view vertex) {
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if (IR::IsGeneric(attr)) {
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if (IR::IsGeneric(attr)) {
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const u32 index{IR::GenericAttributeIndex(attr)};
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const u32 index{IR::GenericAttributeIndex(attr)};
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const u32 element{IR::GenericAttributeElement(attr)};
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const u32 attr_element{IR::GenericAttributeElement(attr)};
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const GenericElementInfo& info{ctx.output_generics.at(index).at(element)};
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const GenericElementInfo& info{ctx.output_generics.at(index).at(attr_element)};
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const auto output_decorator{OutputVertexIndex(ctx)};
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const auto output_decorator{OutputVertexIndex(ctx)};
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if (info.num_components == 1) {
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if (info.num_components == 1) {
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ctx.Add("{}{}={};", info.name, output_decorator, value);
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ctx.Add("{}{}={};", info.name, output_decorator, value);
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} else {
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} else {
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const u32 index_element{element - info.first_element};
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const u32 index_element{attr_element - info.first_element};
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ctx.Add("{}{}.{}={};", info.name, output_decorator, "xyzw"[index_element], value);
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ctx.Add("{}{}.{}={};", info.name, output_decorator, "xyzw"[index_element], value);
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}
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}
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return;
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return;
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}
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}
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const u32 element{static_cast<u32>(attr) % 4};
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const u32 element{static_cast<u32>(attr) % 4};
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const char swizzle{"xyzw"[element]};
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const char swizzle{"xyzw"[element]};
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// GLSL only exposes 8 legacy texcoords
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if (attr >= IR::Attribute::FixedFncTexture8S && attr <= IR::Attribute::FixedFncTexture9Q) {
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// LOG_WARNING(..., "GLSL does not allow access to gl_TexCoord[{}]", TexCoordIndex(attr));
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return;
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}
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if (attr >= IR::Attribute::FixedFncTexture0S && attr <= IR::Attribute::FixedFncTexture7Q) {
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const u32 index{TexCoordIndex(attr)};
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ctx.Add("gl_TexCoord[{}].{}={};", index, swizzle, value);
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return;
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}
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switch (attr) {
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switch (attr) {
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case IR::Attribute::Layer:
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case IR::Attribute::Layer:
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if (ctx.stage != Stage::Geometry &&
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if (ctx.stage != Stage::Geometry &&
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@ -35,6 +35,7 @@ void GetAttribute(Info& info, IR::Attribute attr) {
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}
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}
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if (attr >= IR::Attribute::FixedFncTexture0S && attr <= IR::Attribute::FixedFncTexture9Q) {
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if (attr >= IR::Attribute::FixedFncTexture0S && attr <= IR::Attribute::FixedFncTexture9Q) {
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info.loads_fixed_fnc_textures = true;
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info.loads_fixed_fnc_textures = true;
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info.loads_legacy_varyings = true;
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return;
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return;
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}
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}
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switch (attr) {
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switch (attr) {
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@ -52,6 +53,7 @@ void GetAttribute(Info& info, IR::Attribute attr) {
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case IR::Attribute::ColorFrontDiffuseB:
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case IR::Attribute::ColorFrontDiffuseB:
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case IR::Attribute::ColorFrontDiffuseA:
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case IR::Attribute::ColorFrontDiffuseA:
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info.loads_color_front_diffuse = true;
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info.loads_color_front_diffuse = true;
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info.loads_legacy_varyings = true;
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break;
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break;
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case IR::Attribute::PointSpriteS:
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case IR::Attribute::PointSpriteS:
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case IR::Attribute::PointSpriteT:
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case IR::Attribute::PointSpriteT:
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@ -82,6 +84,7 @@ void SetAttribute(Info& info, IR::Attribute attr) {
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}
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}
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if (attr >= IR::Attribute::FixedFncTexture0S && attr <= IR::Attribute::FixedFncTexture9Q) {
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if (attr >= IR::Attribute::FixedFncTexture0S && attr <= IR::Attribute::FixedFncTexture9Q) {
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info.stores_fixed_fnc_textures = true;
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info.stores_fixed_fnc_textures = true;
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info.stores_legacy_varyings = true;
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return;
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return;
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}
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}
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switch (attr) {
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switch (attr) {
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@ -105,24 +108,28 @@ void SetAttribute(Info& info, IR::Attribute attr) {
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case IR::Attribute::ColorFrontDiffuseB:
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case IR::Attribute::ColorFrontDiffuseB:
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case IR::Attribute::ColorFrontDiffuseA:
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case IR::Attribute::ColorFrontDiffuseA:
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info.stores_color_front_diffuse = true;
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info.stores_color_front_diffuse = true;
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info.stores_legacy_varyings = true;
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break;
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break;
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case IR::Attribute::ColorFrontSpecularR:
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case IR::Attribute::ColorFrontSpecularR:
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case IR::Attribute::ColorFrontSpecularG:
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case IR::Attribute::ColorFrontSpecularG:
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case IR::Attribute::ColorFrontSpecularB:
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case IR::Attribute::ColorFrontSpecularB:
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case IR::Attribute::ColorFrontSpecularA:
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case IR::Attribute::ColorFrontSpecularA:
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info.stores_color_front_specular = true;
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info.stores_color_front_specular = true;
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info.stores_legacy_varyings = true;
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break;
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break;
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case IR::Attribute::ColorBackDiffuseR:
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case IR::Attribute::ColorBackDiffuseR:
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case IR::Attribute::ColorBackDiffuseG:
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case IR::Attribute::ColorBackDiffuseG:
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case IR::Attribute::ColorBackDiffuseB:
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case IR::Attribute::ColorBackDiffuseB:
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case IR::Attribute::ColorBackDiffuseA:
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case IR::Attribute::ColorBackDiffuseA:
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info.stores_color_back_diffuse = true;
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info.stores_color_back_diffuse = true;
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info.stores_legacy_varyings = true;
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break;
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break;
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case IR::Attribute::ColorBackSpecularR:
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case IR::Attribute::ColorBackSpecularR:
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case IR::Attribute::ColorBackSpecularG:
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case IR::Attribute::ColorBackSpecularG:
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case IR::Attribute::ColorBackSpecularB:
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case IR::Attribute::ColorBackSpecularB:
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case IR::Attribute::ColorBackSpecularA:
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case IR::Attribute::ColorBackSpecularA:
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info.stores_color_front_specular = true;
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info.stores_color_back_specular = true;
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info.stores_legacy_varyings = true;
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break;
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break;
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case IR::Attribute::ClipDistance0:
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case IR::Attribute::ClipDistance0:
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case IR::Attribute::ClipDistance1:
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case IR::Attribute::ClipDistance1:
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@ -128,6 +128,7 @@ struct Info {
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bool loads_instance_id{};
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bool loads_instance_id{};
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bool loads_vertex_id{};
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bool loads_vertex_id{};
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bool loads_front_face{};
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bool loads_front_face{};
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bool loads_legacy_varyings{};
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bool loads_tess_coord{};
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bool loads_tess_coord{};
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@ -150,6 +151,7 @@ struct Info {
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bool stores_clip_distance{};
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bool stores_clip_distance{};
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bool stores_fog_coordinate{};
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bool stores_fog_coordinate{};
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bool stores_viewport_mask{};
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bool stores_viewport_mask{};
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bool stores_legacy_varyings{};
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bool stores_tess_level_outer{};
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bool stores_tess_level_outer{};
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bool stores_tess_level_inner{};
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bool stores_tess_level_inner{};
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