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Update RT64, split UI immutable sampler into its own descriptor set

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This commit is contained in:
Mr-Wiseguy 2023-11-24 18:12:58 -05:00
parent ec23ef02fd
commit e0ac016936
3 changed files with 31 additions and 32 deletions
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2
shaders/InterfacePS.hlsl
View File

@ -1,5 +1,5 @@
SamplerState gSampler : register(s1, space0);
Texture2D<float4> gTexture : register(t2, space0);
Texture2D<float4> gTexture : register(t2, space1);
void PSMain(
in float4 iColor : COLOR,

58
src/ui/ui_renderer.cpp
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@ -53,22 +53,6 @@ void CalculateTextureRowWidthPadding(uint32_t rowPitch, uint32_t &rowWidth, uint
rowWidth += rowPadding;
}
struct RmlRenderInterfaceHeapBase : public RT64::RenderDescriptorHeapBase {
uint32_t gSampler;
uint32_t gTexture;
RmlRenderInterfaceHeapBase(const RT64::RenderSampler* linear_sampler) {
assert(linear_sampler != nullptr);
builder.begin();
builder.beginSet();
gSampler = builder.addImmutableSampler(1, linear_sampler);
gTexture = builder.addTexture(2);
builder.endSet();
builder.end();
}
};
struct RmlPushConstants {
Rml::Matrix4f transform;
Rml::Vector2f translation;
@ -76,7 +60,7 @@ struct RmlPushConstants {
struct TextureHandle {
std::unique_ptr<RT64::RenderTexture> texture;
std::unique_ptr<RT64::RenderDescriptorHeap> heap;
std::unique_ptr<RT64::RenderDescriptorSet> set;
};
std::vector<char> read_file(const std::filesystem::path& filepath) {
@ -134,7 +118,8 @@ class RmlRenderInterface_RT64 : public Rml::RenderInterface {
std::unique_ptr<RT64::RenderSampler> linearSampler_{};
std::unique_ptr<RT64::RenderShader> vertex_shader_{};
std::unique_ptr<RT64::RenderShader> pixel_shader_{};
std::unique_ptr<RmlRenderInterfaceHeapBase> heap_base_{};
std::unique_ptr<RT64::RenderDescriptorSet> sampler_set_{};
std::unique_ptr<RT64::RenderDescriptorSetBuilder> texture_set_builder_{};
std::unique_ptr<RT64::RenderPipelineLayout> layout_{};
std::unique_ptr<RT64::RenderPipeline> pipeline_{};
uint32_t upload_buffer_size_ = 0;
@ -142,6 +127,7 @@ class RmlRenderInterface_RT64 : public Rml::RenderInterface {
uint8_t* upload_buffer_mapped_data_ = nullptr;
uint32_t vertex_buffer_size_ = 0;
uint32_t index_buffer_size_ = 0;
uint32_t gTexture_descriptor_index;
RT64::RenderInputSlot vertex_slot_{ 0, sizeof(Rml::Vertex) };
RT64::RenderCommandList* list_ = nullptr;
bool scissor_enabled_ = false;
@ -157,9 +143,9 @@ public:
// Describe the vertex format
std::vector<RT64::RenderInputElement> vertex_elements{};
vertex_elements.emplace_back(RT64::RenderInputElement{ "POSITION", 0, 0, RT64::RenderFormat::R32G32_FLOAT, 0, offsetof(Rml::Vertex, position) });
vertex_elements.emplace_back(RT64::RenderInputElement{ "COLOR", 0, 1, RT64::RenderFormat::R8G8B8A8_UNORM, 0, offsetof(Rml::Vertex, colour) });
vertex_elements.emplace_back(RT64::RenderInputElement{ "TEXCOORD", 0, 2, RT64::RenderFormat::R32G32_FLOAT, 0, offsetof(Rml::Vertex, tex_coord) });
vertex_elements.emplace_back(RT64::RenderInputElement{ "POSITION", 0, 0, RT64::RenderFormat::R32G32_FLOAT, 0, offsetof(Rml::Vertex, position) });
vertex_elements.emplace_back(RT64::RenderInputElement{ "COLOR", 0, 1, RT64::RenderFormat::R8G8B8A8_UNORM, 0, offsetof(Rml::Vertex, colour) });
vertex_elements.emplace_back(RT64::RenderInputElement{ "TEXCOORD", 0, 2, RT64::RenderFormat::R32G32_FLOAT, 0, offsetof(Rml::Vertex, tex_coord) });
// Create a nearest sampler and a linear sampler
RT64::RenderSamplerDesc samplerDesc;
@ -181,15 +167,27 @@ public:
pixel_shader_ = render_context->device->createShader(GET_SHADER_BLOB(InterfacePS, shaderFormat), GET_SHADER_SIZE(InterfacePS, shaderFormat), "PSMain", shaderFormat);
// Create the descriptor heap
heap_base_ = std::make_unique<RmlRenderInterfaceHeapBase>(linearSampler_.get());
// Create the descriptor set that contains the sampler
RT64::RenderDescriptorSetBuilder sampler_set_builder{};
sampler_set_builder.begin();
sampler_set_builder.addImmutableSampler(1, linearSampler_.get());
sampler_set_builder.end();
sampler_set_ = sampler_set_builder.create(render_context->device);
// Create a builder for the descriptor sets that will contain textures
texture_set_builder_ = std::make_unique<RT64::RenderDescriptorSetBuilder>();
texture_set_builder_->begin();
gTexture_descriptor_index = texture_set_builder_->addTexture(2);
texture_set_builder_->end();
// Create the pipeline layout
RT64::RenderPipelineLayoutBuilder layout_builder{};
layout_builder.begin(false, true);
layout_builder.addPushConstant(0, 0, sizeof(RmlPushConstants), RT64::RenderShaderStageFlag::VERTEX);
// Add the descriptor set for descriptors changed once per frame.
layout_builder.addDescriptorSetsFromHeap(heap_base_->builder);
layout_builder.addDescriptorSet(sampler_set_builder);
// Add the descriptor set for descriptors changed once per draw.
layout_builder.addDescriptorSet(*texture_set_builder_);
layout_builder.end();
layout_ = layout_builder.create(render_context->device);
@ -362,7 +360,7 @@ public:
list_->setIndexBuffer(&index_view);
RT64::RenderVertexBufferView vertex_view{vertex_buffer_->at(0), vert_size_bytes};
list_->setVertexBuffers(0, &vertex_view, 1, &vertex_slot_);
list_->setGraphicsDescriptorHeap(textures_.at(texture).heap.get());
list_->setGraphicsDescriptorSet(textures_.at(texture).set.get(), 1);
RmlPushConstants constants{
.transform = mvp_,
@ -519,12 +517,12 @@ public:
// Prepare the texture for being read from a pixel shader.
list_->barriers(RT64::RenderTextureBarrier::Transition(texture.get(), RT64::RenderTextureState::PIXEL_SHADER_ACCESS));
// Create a descriptor heap with this texture in it.
std::unique_ptr<RT64::RenderDescriptorHeap> heap = heap_base_->builder.create(render_context_->device);
// Create a descriptor set with this texture in it.
std::unique_ptr<RT64::RenderDescriptorSet> set = texture_set_builder_->create(render_context_->device);
heap->setTexture(heap_base_->gTexture, 0, texture.get(), RT64::RenderTextureState::PIXEL_SHADER_ACCESS);
set->setTexture(gTexture_descriptor_index, texture.get(), RT64::RenderTextureState::PIXEL_SHADER_ACCESS);
textures_.emplace(texture_handle, TextureHandle{ std::move(texture), std::move(heap) });
textures_.emplace(texture_handle, TextureHandle{ std::move(texture), std::move(set) });
return true;
}
@ -549,6 +547,8 @@ public:
list_ = list;
list_->setPipeline(pipeline_.get());
list_->setGraphicsPipelineLayout(layout_.get());
// Bind the set for descriptors that don't change across draws
list_->setGraphicsDescriptorSet(sampler_set_.get(), 0);
window_width_ = image_width;
window_height_ = image_height;

3
ultramodern/events.cpp
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@ -293,8 +293,7 @@ void gfx_thread_func(uint8_t* rdram, uint8_t* rom, std::atomic_flag* thread_read
}
}
recomp::destroy_ui();
// TODO restore this call once the RT64 shutdown issue is fixed.
// RT64Shutdown();
RT64Shutdown();
}
extern unsigned int VI_STATUS_REG;