From 7dafa96ab59892b7f1fbffdb61e4326e6443955f Mon Sep 17 00:00:00 2001
From: ReinUsesLisp <reinuseslisp@airmail.cc>
Date: Thu, 24 Jun 2021 02:41:09 -0300
Subject: shader: Rework varyings and implement passthrough geometry shaders
Put all varyings into a single std::bitset with helpers to access it.
Implement passthrough geometry shaders using host's.
---
src/shader_recompiler/backend/spirv/emit_spirv.cpp | 19 ++++++++++++++-----
1 file changed, 14 insertions(+), 5 deletions(-)
(limited to 'src/shader_recompiler/backend/spirv/emit_spirv.cpp')
diff --git a/src/shader_recompiler/backend/spirv/emit_spirv.cpp b/src/shader_recompiler/backend/spirv/emit_spirv.cpp
index 278c262f8f..ddb86d0701 100644
--- a/src/shader_recompiler/backend/spirv/emit_spirv.cpp
+++ b/src/shader_recompiler/backend/spirv/emit_spirv.cpp
@@ -281,11 +281,19 @@ void DefineEntryPoint(const IR::Program& program, EmitContext& ctx, Id main) {
ctx.AddExecutionMode(main, spv::ExecutionMode::OutputTriangleStrip);
break;
}
- if (program.info.stores_point_size) {
+ if (program.info.stores[IR::Attribute::PointSize]) {
ctx.AddCapability(spv::Capability::GeometryPointSize);
}
ctx.AddExecutionMode(main, spv::ExecutionMode::OutputVertices, program.output_vertices);
ctx.AddExecutionMode(main, spv::ExecutionMode::Invocations, program.invocations);
+ if (program.is_geometry_passthrough) {
+ if (ctx.profile.support_geometry_shader_passthrough) {
+ ctx.AddExtension("SPV_NV_geometry_shader_passthrough");
+ ctx.AddCapability(spv::Capability::GeometryShaderPassthroughNV);
+ } else {
+ LOG_WARNING(Shader_SPIRV, "Geometry shader passthrough used with no support");
+ }
+ }
break;
case Stage::Fragment:
execution_model = spv::ExecutionModel::Fragment;
@@ -377,20 +385,21 @@ 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) {
+ if (info.stores[IR::Attribute::ViewportIndex]) {
ctx.AddCapability(spv::Capability::MultiViewport);
}
- if (info.stores_viewport_mask && profile.support_viewport_mask) {
+ if (info.stores[IR::Attribute::ViewportMask] && profile.support_viewport_mask) {
ctx.AddExtension("SPV_NV_viewport_array2");
ctx.AddCapability(spv::Capability::ShaderViewportMaskNV);
}
- if (info.stores_layer || info.stores_viewport_index) {
+ if (info.stores[IR::Attribute::Layer] || info.stores[IR::Attribute::ViewportIndex]) {
if (profile.support_viewport_index_layer_non_geometry && ctx.stage != Stage::Geometry) {
ctx.AddExtension("SPV_EXT_shader_viewport_index_layer");
ctx.AddCapability(spv::Capability::ShaderViewportIndexLayerEXT);
}
}
- if (!profile.support_vertex_instance_id && (info.loads_instance_id || info.loads_vertex_id)) {
+ if (!profile.support_vertex_instance_id &&
+ (info.loads[IR::Attribute::InstanceId] || info.loads[IR::Attribute::VertexId])) {
ctx.AddExtension("SPV_KHR_shader_draw_parameters");
ctx.AddCapability(spv::Capability::DrawParameters);
}
--
cgit v1.2.3-70-g09d2