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@ -148,23 +148,24 @@ std::string_view OutputPrimitive(OutputTopology topology) {
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throw InvalidArgument("Invalid output topology {}", topology);
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}
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void SetupOutPerVertex(Stage stage, const Info& info, std::string& header) {
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if (!StoresPerVertexAttributes(stage)) {
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void SetupOutPerVertex(EmitContext& ctx, std::string& header) {
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if (!StoresPerVertexAttributes(ctx.stage)) {
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return;
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}
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header += "out gl_PerVertex{";
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header += "vec4 gl_Position;";
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if (info.stores_point_size) {
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if (ctx.info.stores_point_size) {
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header += "float gl_PointSize;";
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}
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if (info.stores_clip_distance) {
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if (ctx.info.stores_clip_distance) {
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header += "float gl_ClipDistance[];";
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}
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if (info.stores_viewport_index && stage != Stage::Geometry) {
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if (ctx.info.stores_viewport_index && ctx.supports_viewport_layer &&
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ctx.stage != Stage::Geometry) {
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header += "int gl_ViewportIndex;";
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}
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header += "};\n";
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if (info.stores_viewport_index && 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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}
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}
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@ -173,6 +174,7 @@ void SetupOutPerVertex(Stage stage, const Info& info, std::string& header) {
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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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: info{program.info}, profile{profile_}, runtime_info{runtime_info_} {
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supports_viewport_layer = profile.support_gl_vertex_viewport_layer;
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SetupExtensions(header);
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stage = program.stage;
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switch (program.stage) {
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@ -206,7 +208,7 @@ EmitContext::EmitContext(IR::Program& program, Bindings& bindings, const Profile
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program.workgroup_size[2]);
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break;
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}
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SetupOutPerVertex(stage, info, header);
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SetupOutPerVertex(*this, header);
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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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if (generic.used) {
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@ -276,7 +278,7 @@ void EmitContext::SetupExtensions(std::string&) {
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header += "#extension GL_ARB_gpu_shader_int64 : enable\n";
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}
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}
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if (info.stores_viewport_index && stage != Stage::Geometry) {
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if (info.stores_viewport_index && supports_viewport_layer && stage != Stage::Geometry) {
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header += "#extension GL_ARB_shader_viewport_layer_array : enable\n";
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}
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}
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