Joshua Goins
3229c4fa2c
All specialization constants are removed (they cause trouble in WebGPU, since they don't support array sizing, and it was a pain in Metal anyway) - they are now macro defined. WebGPU now runs, although push constant emulation is not implemented yet.
67 lines
2.3 KiB
C++
Executable file
67 lines
2.3 KiB
C++
Executable file
#pragma once
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#include <emscripten/html5_webgpu.h>
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#include "gfx.hpp"
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class GFXWebGPUPipeline;
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class GFXWebGPU : public GFX {
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public:
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bool initialize(const GFXCreateInfo& createInfo) override;
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ShaderLanguage accepted_shader_language() override;
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const char* get_name() override;
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bool supports_feature(GFXFeature feature) override;
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// buffer
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GFXBuffer* create_buffer(void* data, GFXSize size, bool is_dynamic, GFXBufferUsage usage) override;
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void copy_buffer(GFXBuffer* buffer, void* data, GFXSize offset, GFXSize size) override;
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void* get_buffer_contents(GFXBuffer* buffer) override;
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void release_buffer_contents(GFXBuffer* buffer, void* handle) override;
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// texture
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GFXTexture* create_texture(const GFXTextureCreateInfo& info) override;
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void copy_texture(GFXTexture* texture, void* data, GFXSize size) override;
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void copy_texture(GFXTexture* from, GFXTexture* to) override;
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void copy_texture(GFXTexture* from, GFXBuffer* to) override;
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// sampler
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GFXSampler* create_sampler(const GFXSamplerCreateInfo& info) override;
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// framebuffer
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GFXFramebuffer* create_framebuffer(const GFXFramebufferCreateInfo& info) override;
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// render pass
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GFXRenderPass* create_render_pass(const GFXRenderPassCreateInfo& info) override;
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// pipeline
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GFXPipeline* create_graphics_pipeline(const GFXGraphicsPipelineCreateInfo& info) override;
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GFXPipeline* create_compute_pipeline(const GFXComputePipelineCreateInfo& info) override;
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GFXCommandBuffer* acquire_command_buffer(bool for_presentation_use) override;
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void submit(GFXCommandBuffer* command_buffer, platform::window_ptr window) override;
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private:
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WGPUSwapChain create_swapchain();
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WGPUShaderModule create_shader(const uint32_t* code, uint32_t size, std::string_view label);
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uint64_t get_bind_group_hash(GFXWebGPUPipeline* pipeline);
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void cache_bind_group_state(GFXWebGPUPipeline* pipeline, WGPUBindGroupLayout group_layout);
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void reset_bind_state();
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WGPUDevice device;
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WGPUQueue queue;
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WGPUSwapChain swapchain;
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struct BoundShaderBuffer {
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GFXBuffer* buffer = nullptr;
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uint32_t size = 0, offset = 0;
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};
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std::array<BoundShaderBuffer, 25> boundShaderBuffers;
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std::array<GFXTexture*, 25> boundTextures;
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std::array<GFXSampler*, 25> boundSamplers;
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};
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