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webgpu support

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Jorijn van der Graaf 2026-05-18 04:58:52 +02:00
commit dedf6b0467
22 changed files with 1656 additions and 324 deletions
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interfaces/Crafter.Graphics-WebGPU.cppm Normal file
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/*
Crafter®.Graphics
Copyright (C) 2026 Catcrafts®
catcrafts.net
*/
// JS bridge declarations for the DOM-mode WebGPU backend. Each function
// corresponds to one entry in `additional/dom-webgpu.js`. Handles are
// opaque uint32 cookies into the JS-side handle tables.
export module Crafter.Graphics:WebGPU;
#ifdef CRAFTER_GRAPHICS_WINDOW_DOM
import std;
export namespace Crafter {
using WebGPUBufferRef = std::uint32_t;
using WebGPUTextureRef = std::uint32_t;
using WebGPUSamplerRef = std::uint32_t;
using WebGPUCommandEncoderRef = std::uint32_t; // unused as a real handle; just a marker type for portability
}
namespace Crafter::WebGPU {
__attribute__((import_module("env"), import_name("wgpuGetCanvasWidth")))
extern "C" std::int32_t wgpuGetCanvasWidth();
__attribute__((import_module("env"), import_name("wgpuGetCanvasHeight")))
extern "C" std::int32_t wgpuGetCanvasHeight();
__attribute__((import_module("env"), import_name("wgpuSurfaceWidth")))
extern "C" std::int32_t wgpuSurfaceWidth();
__attribute__((import_module("env"), import_name("wgpuSurfaceHeight")))
extern "C" std::int32_t wgpuSurfaceHeight();
__attribute__((import_module("env"), import_name("wgpuInit")))
extern "C" void wgpuInit();
__attribute__((import_module("env"), import_name("wgpuCreateBuffer")))
extern "C" std::uint32_t wgpuCreateBuffer(std::int32_t byteSize);
__attribute__((import_module("env"), import_name("wgpuWriteBuffer")))
extern "C" void wgpuWriteBuffer(std::uint32_t handle, const void* srcPtr, std::int32_t byteSize);
__attribute__((import_module("env"), import_name("wgpuDestroyBuffer")))
extern "C" void wgpuDestroyBuffer(std::uint32_t handle);
__attribute__((import_module("env"), import_name("wgpuCreateAtlasTexture")))
extern "C" std::uint32_t wgpuCreateAtlasTexture(std::int32_t w, std::int32_t h);
__attribute__((import_module("env"), import_name("wgpuWriteAtlasRegion")))
extern "C" void wgpuWriteAtlasRegion(std::uint32_t handle, const void* srcPtr,
std::int32_t srcW, std::int32_t srcH,
std::int32_t srcBytesPerRow,
std::int32_t dstX, std::int32_t dstY,
std::int32_t copyW, std::int32_t copyH);
__attribute__((import_module("env"), import_name("wgpuDestroyTexture")))
extern "C" void wgpuDestroyTexture(std::uint32_t handle);
__attribute__((import_module("env"), import_name("wgpuCreateLinearClampSampler")))
extern "C" std::uint32_t wgpuCreateLinearClampSampler();
__attribute__((import_module("env"), import_name("wgpuFrameBegin")))
extern "C" void wgpuFrameBegin();
__attribute__((import_module("env"), import_name("wgpuFrameEnd")))
extern "C" void wgpuFrameEnd();
__attribute__((import_module("env"), import_name("wgpuDispatchQuads")))
extern "C" void wgpuDispatchQuads(std::uint32_t itemsHandle, const void* headerPtr,
std::int32_t gx, std::int32_t gy);
__attribute__((import_module("env"), import_name("wgpuDispatchCircles")))
extern "C" void wgpuDispatchCircles(std::uint32_t itemsHandle, const void* headerPtr,
std::int32_t gx, std::int32_t gy);
__attribute__((import_module("env"), import_name("wgpuDispatchImages")))
extern "C" void wgpuDispatchImages(std::uint32_t itemsHandle, const void* headerPtr,
std::int32_t gx, std::int32_t gy,
std::uint32_t texHandle, std::uint32_t sampHandle);
__attribute__((import_module("env"), import_name("wgpuDispatchText")))
extern "C" void wgpuDispatchText(std::uint32_t itemsHandle, const void* headerPtr,
std::int32_t gx, std::int32_t gy,
std::uint32_t atlasHandle, std::uint32_t sampHandle);
}
#endif // CRAFTER_GRAPHICS_WINDOW_DOM