mirror of
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133 lines
4.6 KiB
C++
133 lines
4.6 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "Texture.h"
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#include "ipc/WebGPUChild.h"
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#include "mozilla/webgpu/ffi/wgpu.h"
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#include "mozilla/webgpu/CanvasContext.h"
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#include "mozilla/dom/WebGPUBinding.h"
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#include "mozilla/webgpu/WebGPUTypes.h"
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#include "TextureView.h"
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#include "Utility.h"
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namespace mozilla::webgpu {
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GPU_IMPL_CYCLE_COLLECTION(Texture, mParent)
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GPU_IMPL_JS_WRAP(Texture)
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static Maybe<uint8_t> GetBytesPerBlock(dom::GPUTextureFormat format) {
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switch (format) {
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case dom::GPUTextureFormat::R8unorm:
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case dom::GPUTextureFormat::R8snorm:
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case dom::GPUTextureFormat::R8uint:
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case dom::GPUTextureFormat::R8sint:
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return Some<uint8_t>(1u);
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case dom::GPUTextureFormat::R16uint:
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case dom::GPUTextureFormat::R16sint:
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case dom::GPUTextureFormat::R16float:
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case dom::GPUTextureFormat::Rg8unorm:
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case dom::GPUTextureFormat::Rg8snorm:
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case dom::GPUTextureFormat::Rg8uint:
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case dom::GPUTextureFormat::Rg8sint:
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return Some<uint8_t>(2u);
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case dom::GPUTextureFormat::R32uint:
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case dom::GPUTextureFormat::R32sint:
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case dom::GPUTextureFormat::R32float:
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case dom::GPUTextureFormat::Rg16uint:
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case dom::GPUTextureFormat::Rg16sint:
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case dom::GPUTextureFormat::Rg16float:
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case dom::GPUTextureFormat::Rgba8unorm:
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case dom::GPUTextureFormat::Rgba8unorm_srgb:
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case dom::GPUTextureFormat::Rgba8snorm:
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case dom::GPUTextureFormat::Rgba8uint:
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case dom::GPUTextureFormat::Rgba8sint:
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case dom::GPUTextureFormat::Bgra8unorm:
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case dom::GPUTextureFormat::Bgra8unorm_srgb:
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case dom::GPUTextureFormat::Rgb9e5ufloat:
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case dom::GPUTextureFormat::Rgb10a2unorm:
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case dom::GPUTextureFormat::Rg11b10float:
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return Some<uint8_t>(4u);
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case dom::GPUTextureFormat::Rg32uint:
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case dom::GPUTextureFormat::Rg32sint:
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case dom::GPUTextureFormat::Rg32float:
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case dom::GPUTextureFormat::Rgba16uint:
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case dom::GPUTextureFormat::Rgba16sint:
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case dom::GPUTextureFormat::Rgba16float:
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return Some<uint8_t>(8u);
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case dom::GPUTextureFormat::Rgba32uint:
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case dom::GPUTextureFormat::Rgba32sint:
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case dom::GPUTextureFormat::Rgba32float:
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return Some<uint8_t>(16u);
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case dom::GPUTextureFormat::Depth32float:
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return Some<uint8_t>(4u);
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case dom::GPUTextureFormat::Bc1_rgba_unorm:
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case dom::GPUTextureFormat::Bc1_rgba_unorm_srgb:
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case dom::GPUTextureFormat::Bc4_r_unorm:
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case dom::GPUTextureFormat::Bc4_r_snorm:
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return Some<uint8_t>(8u);
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case dom::GPUTextureFormat::Bc2_rgba_unorm:
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case dom::GPUTextureFormat::Bc2_rgba_unorm_srgb:
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case dom::GPUTextureFormat::Bc3_rgba_unorm:
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case dom::GPUTextureFormat::Bc3_rgba_unorm_srgb:
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case dom::GPUTextureFormat::Bc5_rg_unorm:
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case dom::GPUTextureFormat::Bc5_rg_snorm:
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case dom::GPUTextureFormat::Bc6h_rgb_ufloat:
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case dom::GPUTextureFormat::Bc6h_rgb_float:
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case dom::GPUTextureFormat::Bc7_rgba_unorm:
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case dom::GPUTextureFormat::Bc7_rgba_unorm_srgb:
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return Some<uint8_t>(16u);
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case dom::GPUTextureFormat::Depth24plus:
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case dom::GPUTextureFormat::Depth24plus_stencil8:
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case dom::GPUTextureFormat::Depth32float_stencil8:
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case dom::GPUTextureFormat::EndGuard_:
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return Nothing();
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}
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return Nothing();
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}
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Texture::Texture(Device* const aParent, RawId aId,
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const dom::GPUTextureDescriptor& aDesc)
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: ChildOf(aParent),
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mId(aId),
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mFormat(aDesc.mFormat),
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mBytesPerBlock(GetBytesPerBlock(aDesc.mFormat)),
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mSize(ConvertExtent(aDesc.mSize)),
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mMipLevelCount(aDesc.mMipLevelCount),
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mSampleCount(aDesc.mSampleCount),
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mDimension(aDesc.mDimension),
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mUsage(aDesc.mUsage) {}
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Texture::~Texture() { Cleanup(); }
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void Texture::Cleanup() {
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if (mValid && mParent) {
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mValid = false;
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auto bridge = mParent->GetBridge();
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if (bridge && bridge->IsOpen()) {
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bridge->SendTextureDestroy(mId);
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}
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}
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}
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already_AddRefed<TextureView> Texture::CreateView(
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const dom::GPUTextureViewDescriptor& aDesc) {
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auto bridge = mParent->GetBridge();
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RawId id = 0;
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if (bridge->IsOpen()) {
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id = bridge->TextureCreateView(mId, mParent->mId, aDesc);
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}
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RefPtr<TextureView> view = new TextureView(this, id);
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return view.forget();
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}
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void Texture::Destroy() {
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// TODO: we don't have to implement it right now, but it's used by the
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// examples
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}
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} // namespace mozilla::webgpu
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