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glasm: Declare geometry program headers
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1 changed files with 35 additions and 0 deletions
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@ -319,6 +319,34 @@ std::string_view StageHeader(Stage stage) {
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}
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throw InvalidArgument("Invalid stage {}", stage);
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}
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std::string_view InputPrimitive(InputTopology topology) {
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switch (topology) {
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case InputTopology::Points:
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return "POINTS";
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case InputTopology::Lines:
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return "LINES";
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case InputTopology::LinesAdjacency:
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return "LINESS_ADJACENCY";
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case InputTopology::Triangles:
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return "TRIANGLES";
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case InputTopology::TrianglesAdjacency:
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return "TRIANGLES_ADJACENCY";
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}
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throw InvalidArgument("Invalid input topology {}", topology);
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}
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std::string_view OutputPrimitive(OutputTopology topology) {
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switch (topology) {
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case OutputTopology::PointList:
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return "POINTS";
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case OutputTopology::LineStrip:
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return "LINE_STRIP";
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case OutputTopology::TriangleStrip:
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return "TRIANGLE_STRIP";
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}
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throw InvalidArgument("Invalid output topology {}", topology);
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}
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} // Anonymous namespace
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std::string EmitGLASM(const Profile& profile, IR::Program& program, Bindings& bindings) {
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@ -328,6 +356,13 @@ std::string EmitGLASM(const Profile& profile, IR::Program& program, Bindings& bi
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std::string header{StageHeader(program.stage)};
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SetupOptions(program, profile, header);
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switch (program.stage) {
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case Stage::Geometry:
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header += fmt::format("PRIMITIVE_IN {};"
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"PRIMITIVE_OUT {};"
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"VERTICES_OUT {};",
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InputPrimitive(profile.input_topology),
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OutputPrimitive(program.output_topology), program.output_vertices);
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break;
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case Stage::Compute:
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header += fmt::format("GROUP_SIZE {} {} {};", program.workgroup_size[0],
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program.workgroup_size[1], program.workgroup_size[2]);
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