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renderer: added support for instance step rates

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This commit is contained in:
psucien 2024-07-06 17:01:43 +02:00
parent 986ed0662c
commit cfbe8b9e6d
9 changed files with 129 additions and 26 deletions
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7
src/video_core/amdgpu/liverpool.h
View file

@ -887,7 +887,10 @@ struct Liverpool {
IndexBufferType index_buffer_type;
INSERT_PADDING_WORDS(0xA2A1 - 0xA29E - 2);
u32 enable_primitive_id;
INSERT_PADDING_WORDS(0xA2DF - 0xA2A1 - 1);
INSERT_PADDING_WORDS(0xA2A8 - 0xA2A1 - 1);
u32 vgt_instance_step_rate_0;
u32 vgt_instance_step_rate_1;
INSERT_PADDING_WORDS(0xA2DF - 0xA2A9 - 1);
PolygonOffset poly_offset;
INSERT_PADDING_WORDS(0xA2F8 - 0xA2DF - 5);
AaConfig aa_config;
@ -1046,6 +1049,8 @@ static_assert(GFX6_3D_REG_INDEX(vs_output_control) == 0xA207);
static_assert(GFX6_3D_REG_INDEX(index_size) == 0xA29D);
static_assert(GFX6_3D_REG_INDEX(index_buffer_type) == 0xA29F);
static_assert(GFX6_3D_REG_INDEX(enable_primitive_id) == 0xA2A1);
static_assert(GFX6_3D_REG_INDEX(vgt_instance_step_rate_0) == 0xA2A8);
static_assert(GFX6_3D_REG_INDEX(vgt_instance_step_rate_1) == 0xA2A9);
static_assert(GFX6_3D_REG_INDEX(poly_offset) == 0xA2DF);
static_assert(GFX6_3D_REG_INDEX(aa_config) == 0xA2F8);
static_assert(GFX6_3D_REG_INDEX(color_buffers[0].base_address) == 0xA318);

22
src/video_core/renderer_vulkan/vk_graphics_pipeline.cpp
View file

@ -30,12 +30,19 @@ GraphicsPipeline::GraphicsPipeline(const Instance& instance_, Scheduler& schedul
stages[i] = *infos[i];
}
BuildDescSetLayout();
const vk::PushConstantRange push_constants = {
.stageFlags = vk::ShaderStageFlagBits::eVertex,
.offset = 0,
.size = 2 * sizeof(u32),
};
const vk::DescriptorSetLayout set_layout = *desc_layout;
const vk::PipelineLayoutCreateInfo layout_info = {
.setLayoutCount = 1U,
.pSetLayouts = &set_layout,
.pushConstantRangeCount = 0,
.pPushConstantRanges = nullptr,
.pushConstantRangeCount = 1,
.pPushConstantRanges = &push_constants,
};
pipeline_layout = instance.GetDevice().createPipelineLayoutUnique(layout_info);
@ -43,6 +50,12 @@ GraphicsPipeline::GraphicsPipeline(const Instance& instance_, Scheduler& schedul
boost::container::static_vector<vk::VertexInputAttributeDescription, 32> attributes;
const auto& vs_info = stages[0];
for (const auto& input : vs_info.vs_inputs) {
if (input.instance_step_rate == Shader::Info::VsInput::InstanceIdType::OverStepRate0 ||
input.instance_step_rate == Shader::Info::VsInput::InstanceIdType::OverStepRate1) {
// Skip attribute binding as the data will be pulled by shader
continue;
}
const auto buffer = vs_info.ReadUd<AmdGpu::Buffer>(input.sgpr_base, input.dword_offset);
attributes.push_back({
.location = input.binding,
@ -420,6 +433,11 @@ void GraphicsPipeline::BindVertexBuffers(StreamBuffer& staging) const {
// Calculate buffers memory overlaps
boost::container::static_vector<BufferRange, MaxVertexBufferCount> ranges{};
for (const auto& input : vs_info.vs_inputs) {
if (input.instance_step_rate == Shader::Info::VsInput::InstanceIdType::OverStepRate0 ||
input.instance_step_rate == Shader::Info::VsInput::InstanceIdType::OverStepRate1) {
continue;
}
const auto& buffer = vs_info.ReadUd<AmdGpu::Buffer>(input.sgpr_base, input.dword_offset);
if (buffer.GetSize() == 0) {
continue;

12
src/video_core/renderer_vulkan/vk_graphics_pipeline.h
View file

@ -67,20 +67,24 @@ public:
void BindResources(Core::MemoryManager* memory, StreamBuffer& staging,
VideoCore::TextureCache& texture_cache) const;
[[nodiscard]] vk::Pipeline Handle() const noexcept {
vk::Pipeline Handle() const noexcept {
return *pipeline;
}
[[nodiscard]] bool IsEmbeddedVs() const noexcept {
vk::PipelineLayout GetLayout() const {
return *pipeline_layout;
}
bool IsEmbeddedVs() const noexcept {
static constexpr size_t EmbeddedVsHash = 0x9b2da5cf47f8c29f;
return key.stage_hashes[0] == EmbeddedVsHash;
}
[[nodiscard]] auto GetWriteMasks() const {
auto GetWriteMasks() const {
return key.write_masks;
}
[[nodiscard]] bool IsDepthEnabled() const {
bool IsDepthEnabled() const {
return key.depth.depth_enable.Value();
}

7
src/video_core/renderer_vulkan/vk_rasterizer.cpp
View file

@ -54,6 +54,13 @@ void Rasterizer::Draw(bool is_indexed, u32 index_offset) {
UpdateDynamicState(*pipeline);
cmdbuf.bindPipeline(vk::PipelineBindPoint::eGraphics, pipeline->Handle());
const u32 step_rates[] = {
regs.vgt_instance_step_rate_0,
regs.vgt_instance_step_rate_1,
};
cmdbuf.pushConstants(pipeline->GetLayout(), vk::ShaderStageFlagBits::eVertex, 0u,
sizeof(step_rates), &step_rates);
if (is_indexed) {
cmdbuf.drawIndexed(num_indices, regs.num_instances.NumInstances(), 0, 0, 0);
} else {