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shader: Implement ViewportIndex

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FernandoS27 2021-04-01 08:34:45 +02:00 • committed by ameerj
parent fd496d0401
commit d819ba4489
8 changed files with 33 additions and 2 deletions
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10
src/shader_recompiler/backend/spirv/emit_spirv.cpp
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@ -225,6 +225,16 @@ void SetupCapabilities(const Profile& profile, const Info& info, EmitContext& ct
ctx.AddExtension("SPV_EXT_demote_to_helper_invocation");
ctx.AddCapability(spv::Capability::DemoteToHelperInvocationEXT);
}
if (info.stores_viewport_index) {
ctx.AddCapability(spv::Capability::MultiViewport);
if (profile.support_viewport_index_layer_non_geometry &&
ctx.stage == Shader::Stage::VertexB) {
ctx.AddExtension("SPV_EXT_shader_viewport_index_layer");
ctx.AddCapability(spv::Capability::ShaderViewportIndexLayerEXT);
} else {
ctx.ignore_viewport_layer = true;
}
}
if (!profile.support_vertex_instance_id && (info.loads_instance_id || info.loads_vertex_id)) {
ctx.AddExtension("SPV_KHR_shader_draw_parameters");
ctx.AddCapability(spv::Capability::DrawParameters);