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shader: Implement geometry shaders

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This commit is contained in:
ReinUsesLisp 2021-04-12 19:41:22 -03:00 • committed by ameerj
parent a6cef71cc0
commit f263760c5a
14 changed files with 277 additions and 91 deletions
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56
src/video_core/renderer_vulkan/vk_pipeline_cache.cpp
View file

@ -769,7 +769,7 @@ std::unique_ptr<GraphicsPipeline> PipelineCache::CreateGraphicsPipeline(
const size_t stage_index{index - 1};
infos[stage_index] = &program.info;
const Shader::Profile profile{MakeProfile(key, program.stage)};
const Shader::Profile profile{MakeProfile(key, program)};
const std::vector<u32> code{EmitSPIRV(profile, program, binding)};
device.SaveShader(code);
modules[stage_index] = BuildShader(device, code);
@ -880,15 +880,59 @@ static Shader::AttributeType CastAttributeType(const FixedPipelineState::VertexA
}
Shader::Profile PipelineCache::MakeProfile(const GraphicsPipelineCacheKey& key,
Shader::Stage stage) {
const Shader::IR::Program& program) {
Shader::Profile profile{base_profile};
if (stage == Shader::Stage::VertexB) {
profile.convert_depth_mode = key.state.ndc_minus_one_to_one != 0;
if (key.state.topology == Maxwell::PrimitiveTopology::Points) {
profile.fixed_state_point_size = Common::BitCast<float>(key.state.point_size);
const Shader::Stage stage{program.stage};
const bool has_geometry{key.unique_hashes[4] != u128{}};
const bool gl_ndc{key.state.ndc_minus_one_to_one != 0};
const float point_size{Common::BitCast<float>(key.state.point_size)};
switch (stage) {
case Shader::Stage::VertexB:
if (!has_geometry) {
if (key.state.topology == Maxwell::PrimitiveTopology::Points) {
profile.fixed_state_point_size = point_size;
}
profile.convert_depth_mode = gl_ndc;
}
std::ranges::transform(key.state.attributes, profile.generic_input_types.begin(),
&CastAttributeType);
break;
case Shader::Stage::Geometry:
if (program.output_topology == Shader::OutputTopology::PointList) {
profile.fixed_state_point_size = point_size;
}
profile.convert_depth_mode = gl_ndc;
break;
default:
break;
}
switch (key.state.topology) {
case Maxwell::PrimitiveTopology::Points:
profile.input_topology = Shader::InputTopology::Points;
break;
case Maxwell::PrimitiveTopology::Lines:
case Maxwell::PrimitiveTopology::LineLoop:
case Maxwell::PrimitiveTopology::LineStrip:
profile.input_topology = Shader::InputTopology::Lines;
break;
case Maxwell::PrimitiveTopology::Triangles:
case Maxwell::PrimitiveTopology::TriangleStrip:
case Maxwell::PrimitiveTopology::TriangleFan:
case Maxwell::PrimitiveTopology::Quads:
case Maxwell::PrimitiveTopology::QuadStrip:
case Maxwell::PrimitiveTopology::Polygon:
case Maxwell::PrimitiveTopology::Patches:
profile.input_topology = Shader::InputTopology::Triangles;
break;
case Maxwell::PrimitiveTopology::LinesAdjacency:
case Maxwell::PrimitiveTopology::LineStripAdjacency:
profile.input_topology = Shader::InputTopology::LinesAdjacency;
break;
case Maxwell::PrimitiveTopology::TrianglesAdjacency:
case Maxwell::PrimitiveTopology::TriangleStripAdjacency:
profile.input_topology = Shader::InputTopology::TrianglesAdjacency;
break;
}
return profile;
}

7
src/video_core/renderer_vulkan/vk_pipeline_cache.h
View file

@ -33,6 +33,10 @@ namespace Core {
class System;
}
namespace Shader::IR {
struct Program;
}
namespace Vulkan {
using Maxwell = Tegra::Engines::Maxwell3D::Regs;
@ -160,7 +164,8 @@ private:
Shader::Environment& env,
bool build_in_parallel);
Shader::Profile MakeProfile(const GraphicsPipelineCacheKey& key, Shader::Stage stage);
Shader::Profile MakeProfile(const GraphicsPipelineCacheKey& key,
const Shader::IR::Program& program);
Tegra::GPU& gpu;
Tegra::Engines::Maxwell3D& maxwell3d;