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webgpu: textures;

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bjorn 2022-12-03 00:50:52 -08:00
parent 8f09f4fd63
commit 3bab6761da
1 changed files with 112 additions and 0 deletions
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112
src/core/gpu_webgpu.c
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@ -7,12 +7,71 @@ struct gpu_sampler {
WGPUSampler handle;
};
struct gpu_texture {
WGPUTexture handle;
WGPUTextureView view;
};
size_t gpu_sizeof_texture(void) { return sizeof(gpu_texture); }
size_t gpu_sizeof_sampler(void) { return sizeof(gpu_sampler); }
static struct {
WGPUDevice device;
} state;
// Helpers
static WGPUTextureFormat convertFormat(gpu_texture_format format, bool srgb);
// Texture
bool gpu_texture_init(gpu_texture* texture, gpu_texture_info* info) {
static const WGPUTextureDimension dimensions[] = {
[GPU_TEXTURE_2D] = WGPUTextureDimension_2D,
[GPU_TEXTURE_3D] = WGPUTextureDimension_3D,
[GPU_TEXTURE_CUBE] = WGPUTextureDimension_2D,
[GPU_TEXTURE_ARRAY] = WGPUTextureDimension_2D
};
static const WGPUTextureViewDimension types[] = {
[GPU_TEXTURE_2D] = WGPUTextureViewDimension_2D,
[GPU_TEXTURE_3D] = WGPUTextureViewDimension_3D,
[GPU_TEXTURE_CUBE] = WGPUTextureViewDimension_Cube,
[GPU_TEXTURE_ARRAY] = WGPUTextureViewDimension_2DArray
};
texture->handle = wgpuDeviceCreateTexture(state.device, &(WGPUTextureDescriptor) {
.label = info->label,
.usage =
((info->usage & GPU_TEXTURE_RENDER) ? WGPUTextureUsage_RenderAttachment : 0) |
((info->usage & GPU_TEXTURE_SAMPLE) ? WGPUTextureUsage_TextureBinding : 0) |
((info->usage & GPU_TEXTURE_STORAGE) ? WGPUTextureUsage_StorageBinding : 0) |
((info->usage & GPU_TEXTURE_COPY_SRC) ? WGPUTextureUsage_CopySrc : 0) |
((info->usage & GPU_TEXTURE_COPY_DST) ? WGPUTextureUsage_CopyDst : 0),
.dimension = dimensions[info->type],
.size = { info->size[0], info->size[1], info->size[2] },
.format = convertFormat(info->format, info->srgb),
.mipLevelCount = info->mipmaps,
.sampleCount = info->samples
});
texture->view = wgpuTextureCreateView(texture->handle, &(WGPUTextureViewDescriptor) {
.format = convertFormat(info->format, info->srgb),
.dimension = types[info->type],
.mipLevelCount = info->mipmaps,
.arrayLayerCount = info->type == GPU_TEXTURE_ARRAY ? info->size[2] : 1
});
// TODO upload, mipgen
return true;
}
void gpu_texture_destroy(gpu_texture* texture) {
wgpuTextureViewRelease(texture->view);
wgpuTextureDestroy(texture->handle);
}
// Sampler
bool gpu_sampler_init(gpu_sampler* sampler, gpu_sampler_info* info) {
@ -66,3 +125,56 @@ void gpu_destroy(void) {
if (state.device) wgpuDeviceDestroy(state.device);
memset(&state, 0, sizeof(state));
}
// Helpers
static WGPUTextureFormat convertFormat(gpu_texture_format format, bool srgb) {
static const WGPUTextureFormat formats[][2] = {
[GPU_FORMAT_R8] = { WGPUTextureFormat_R8Unorm, WGPUTextureFormat_R8Unorm },
[GPU_FORMAT_RG8] = { WGPUTextureFormat_RG8Unorm, WGPUTextureFormat_RG8Unorm },
[GPU_FORMAT_RGBA8] = { WGPUTextureFormat_RGBA8Unorm, WGPUTextureFormat_RGBA8UnormSrgb },
[GPU_FORMAT_R16] = { WGPUTextureFormat_Undefined, WGPUTextureFormat_Undefined },
[GPU_FORMAT_RG16] = { WGPUTextureFormat_Undefined, WGPUTextureFormat_Undefined },
[GPU_FORMAT_RGBA16] = { WGPUTextureFormat_Undefined, WGPUTextureFormat_Undefined },
[GPU_FORMAT_R16F] = { WGPUTextureFormat_R16Float, WGPUTextureFormat_R16Float },
[GPU_FORMAT_RG16F] = { WGPUTextureFormat_RG16Float, WGPUTextureFormat_RG16Float },
[GPU_FORMAT_RGBA16F] = { WGPUTextureFormat_RGBA16Float, WGPUTextureFormat_RGBA16Float },
[GPU_FORMAT_R32F] = { WGPUTextureFormat_R32Float, WGPUTextureFormat_R32Float },
[GPU_FORMAT_RG32F] = { WGPUTextureFormat_RG32Float, WGPUTextureFormat_RG32Float },
[GPU_FORMAT_RGBA32F] = { WGPUTextureFormat_RGBA32Float, WGPUTextureFormat_RGBA32Float },
[GPU_FORMAT_RGB565] = { WGPUTextureFormat_Undefined, WGPUTextureFormat_Undefined },
[GPU_FORMAT_RGB5A1] = { WGPUTextureFormat_Undefined, WGPUTextureFormat_Undefined },
[GPU_FORMAT_RGB10A2] = {WGPUTextureFormat_RGB10A2Unorm, WGPUTextureFormat_RGB10A2Unorm },
[GPU_FORMAT_RG11B10F] = { WGPUTextureFormat_RG11B10Ufloat, WGPUTextureFormat_RG11B10Ufloat },
[GPU_FORMAT_D16] = { WGPUTextureFormat_Depth16Unorm, WGPUTextureFormat_Depth16Unorm },
[GPU_FORMAT_D32F] = { WGPUTextureFormat_Depth32Float, WGPUTextureFormat_Depth32Float },
[GPU_FORMAT_D24S8] = { WGPUTextureFormat_Depth24PlusStencil8, WGPUTextureFormat_Depth24PlusStencil8 },
[GPU_FORMAT_D32FS8] = { WGPUTextureFormat_Depth32FloatStencil8, WGPUTextureFormat_Depth32FloatStencil8 },
[GPU_FORMAT_BC1] = { WGPUTextureFormat_BC1RGBAUnorm, WGPUTextureFormat_BC1RGBAUnormSrgb },
[GPU_FORMAT_BC2] = { WGPUTextureFormat_BC2RGBAUnorm, WGPUTextureFormat_BC2RGBAUnormSrgb },
[GPU_FORMAT_BC3] = { WGPUTextureFormat_BC3RGBAUnorm, WGPUTextureFormat_BC3RGBAUnormSrgb },
[GPU_FORMAT_BC4U] = { WGPUTextureFormat_BC4RUnorm, WGPUTextureFormat_BC4RUnorm },
[GPU_FORMAT_BC4S] = { WGPUTextureFormat_BC4RSnorm, WGPUTextureFormat_BC4RSnorm },
[GPU_FORMAT_BC5U] = { WGPUTextureFormat_BC5RGUnorm, WGPUTextureFormat_BC5RGUnorm },
[GPU_FORMAT_BC5S] = { WGPUTextureFormat_BC5RGSnorm, WGPUTextureFormat_BC5RGSnorm },
[GPU_FORMAT_BC6UF] = { WGPUTextureFormat_BC6HRGBUfloat, WGPUTextureFormat_BC6HRGBUfloat },
[GPU_FORMAT_BC6SF] = { WGPUTextureFormat_BC6HRGBFloat, WGPUTextureFormat_BC6HRGBFloat },
[GPU_FORMAT_BC7] = { WGPUTextureFormat_BC7RGBAUnorm, WGPUTextureFormat_BC7RGBAUnormSrgb },
[GPU_FORMAT_ASTC_4x4] = { WGPUTextureFormat_ASTC4x4Unorm, WGPUTextureFormat_ASTC4x4UnormSrgb },
[GPU_FORMAT_ASTC_5x4] = { WGPUTextureFormat_ASTC5x4Unorm, WGPUTextureFormat_ASTC5x4UnormSrgb },
[GPU_FORMAT_ASTC_5x5] = { WGPUTextureFormat_ASTC5x5Unorm, WGPUTextureFormat_ASTC5x5UnormSrgb },
[GPU_FORMAT_ASTC_6x5] = { WGPUTextureFormat_ASTC6x5Unorm, WGPUTextureFormat_ASTC6x5UnormSrgb },
[GPU_FORMAT_ASTC_6x6] = { WGPUTextureFormat_ASTC6x6Unorm, WGPUTextureFormat_ASTC6x6UnormSrgb },
[GPU_FORMAT_ASTC_8x5] = { WGPUTextureFormat_ASTC8x5Unorm, WGPUTextureFormat_ASTC8x5UnormSrgb },
[GPU_FORMAT_ASTC_8x6] = { WGPUTextureFormat_ASTC8x6Unorm, WGPUTextureFormat_ASTC8x6UnormSrgb },
[GPU_FORMAT_ASTC_8x8] = { WGPUTextureFormat_ASTC8x8Unorm, WGPUTextureFormat_ASTC8x8UnormSrgb },
[GPU_FORMAT_ASTC_10x5] = { WGPUTextureFormat_ASTC10x5Unorm, WGPUTextureFormat_ASTC10x5UnormSrgb },
[GPU_FORMAT_ASTC_10x6] = { WGPUTextureFormat_ASTC10x6Unorm, WGPUTextureFormat_ASTC10x6UnormSrgb },
[GPU_FORMAT_ASTC_10x8] = { WGPUTextureFormat_ASTC10x8Unorm, WGPUTextureFormat_ASTC10x8UnormSrgb },
[GPU_FORMAT_ASTC_10x10] = { WGPUTextureFormat_ASTC10x10Unorm, WGPUTextureFormat_ASTC10x10UnormSrgb },
[GPU_FORMAT_ASTC_12x10] = { WGPUTextureFormat_ASTC12x10Unorm, WGPUTextureFormat_ASTC12x10UnormSrgb },
[GPU_FORMAT_ASTC_12x12] = { WGPUTextureFormat_ASTC12x12Unorm, WGPUTextureFormat_ASTC12x12UnormSrgb }
};
return formats[format][srgb];
}