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Merge pull request #3930 from ReinUsesLisp/animal-borders
vk_rasterizer: Implement constant attributes
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commit
e68ee43a1a
4 changed files with 26 additions and 17 deletions
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@ -312,7 +312,9 @@ VKPipelineCache::DecompileShaders(const GraphicsPipelineCacheKey& key) {
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ASSERT(point_size != 0.0f);
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}
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for (std::size_t i = 0; i < Maxwell::NumVertexAttributes; ++i) {
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specialization.attribute_types[i] = fixed_state.vertex_input.attributes[i].Type();
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const auto& attribute = fixed_state.vertex_input.attributes[i];
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specialization.enabled_attributes[i] = attribute.enabled.Value() != 0;
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specialization.attribute_types[i] = attribute.Type();
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}
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specialization.ndc_minus_one_to_one = fixed_state.rasterizer.ndc_minus_one_to_one;
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@ -877,14 +877,10 @@ void RasterizerVulkan::SetupVertexArrays(FixedPipelineState::VertexInput& vertex
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for (std::size_t index = 0; index < Maxwell::NumVertexAttributes; ++index) {
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const auto& attrib = regs.vertex_attrib_format[index];
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if (!attrib.IsValid()) {
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if (attrib.IsConstant()) {
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vertex_input.SetAttribute(index, false, 0, 0, {}, {});
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continue;
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}
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[[maybe_unused]] const auto& buffer = regs.vertex_array[attrib.buffer];
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ASSERT(buffer.IsEnabled());
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vertex_input.SetAttribute(index, true, attrib.buffer, attrib.offset, attrib.type.Value(),
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attrib.size.Value());
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}
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@ -741,8 +741,10 @@ private:
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if (!IsGenericAttribute(index)) {
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continue;
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}
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const u32 location = GetGenericAttributeLocation(index);
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if (!IsAttributeEnabled(location)) {
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continue;
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}
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const auto type_descriptor = GetAttributeType(location);
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Id type;
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if (IsInputAttributeArray()) {
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@ -986,6 +988,10 @@ private:
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return stage == ShaderType::TesselationControl;
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}
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bool IsAttributeEnabled(u32 location) const {
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return stage != ShaderType::Vertex || specialization.enabled_attributes[location];
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}
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u32 GetNumInputVertices() const {
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switch (stage) {
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case ShaderType::Geometry:
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@ -1201,8 +1207,14 @@ private:
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UNIMPLEMENTED_MSG("Unmanaged FrontFacing element={}", element);
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return {v_float_zero, Type::Float};
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default:
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if (IsGenericAttribute(attribute)) {
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if (!IsGenericAttribute(attribute)) {
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break;
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}
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const u32 location = GetGenericAttributeLocation(attribute);
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if (!IsAttributeEnabled(location)) {
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// Disabled attributes (also known as constant attributes) always return zero.
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return {v_float_zero, Type::Float};
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}
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const auto type_descriptor = GetAttributeType(location);
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const Type type = type_descriptor.type;
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const Id attribute_id = input_attributes.at(attribute);
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@ -1210,8 +1222,6 @@ private:
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const Id pointer = ArrayPass(type_descriptor.scalar, attribute_id, elements);
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return {OpLoad(GetTypeDefinition(type), pointer), type};
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}
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break;
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}
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UNIMPLEMENTED_MSG("Unhandled input attribute: {}", static_cast<u32>(attribute));
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return {v_float_zero, Type::Float};
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}
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@ -88,7 +88,8 @@ struct Specialization final {
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u32 shared_memory_size{};
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// Graphics specific
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std::optional<float> point_size{};
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std::optional<float> point_size;
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std::bitset<Maxwell::NumVertexAttributes> enabled_attributes;
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std::array<Maxwell::VertexAttribute::Type, Maxwell::NumVertexAttributes> attribute_types{};
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bool ndc_minus_one_to_one{};
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};
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