зеркало из https://github.com/mozilla/gecko-dev.git
98 строки
3.1 KiB
C++
98 строки
3.1 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 "mozilla/webgpu/ffi/wgpu.h"
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#include "mozilla/dom/HTMLCanvasElement.h"
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#include "TextureView.h"
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namespace mozilla {
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namespace webgpu {
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GPU_IMPL_CYCLE_COLLECTION(Texture, mParent)
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GPU_IMPL_JS_WRAP(Texture)
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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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mDefaultViewDescriptor(WebGPUChild::GetDefaultViewDescriptor(aDesc)) {}
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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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uint8_t Texture::BytesPerTexel() const {
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switch (mDefaultViewDescriptor->format) {
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case ffi::WGPUTextureFormat_R8Unorm:
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case ffi::WGPUTextureFormat_R8Snorm:
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case ffi::WGPUTextureFormat_R8Uint:
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case ffi::WGPUTextureFormat_R8Sint:
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return 1;
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case ffi::WGPUTextureFormat_R16Uint:
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case ffi::WGPUTextureFormat_R16Sint:
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case ffi::WGPUTextureFormat_R16Float:
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case ffi::WGPUTextureFormat_Rg8Unorm:
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case ffi::WGPUTextureFormat_Rg8Snorm:
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case ffi::WGPUTextureFormat_Rg8Uint:
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case ffi::WGPUTextureFormat_Rg8Sint:
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return 2;
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case ffi::WGPUTextureFormat_R32Uint:
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case ffi::WGPUTextureFormat_R32Sint:
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case ffi::WGPUTextureFormat_R32Float:
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case ffi::WGPUTextureFormat_Rg16Uint:
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case ffi::WGPUTextureFormat_Rg16Sint:
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case ffi::WGPUTextureFormat_Rg16Float:
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case ffi::WGPUTextureFormat_Rgba8Unorm:
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case ffi::WGPUTextureFormat_Rgba8UnormSrgb:
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case ffi::WGPUTextureFormat_Rgba8Snorm:
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case ffi::WGPUTextureFormat_Rgba8Uint:
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case ffi::WGPUTextureFormat_Rgba8Sint:
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case ffi::WGPUTextureFormat_Bgra8Unorm:
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case ffi::WGPUTextureFormat_Bgra8UnormSrgb:
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case ffi::WGPUTextureFormat_Rgb10a2Unorm:
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case ffi::WGPUTextureFormat_Rg11b10Float:
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return 4;
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case ffi::WGPUTextureFormat_Rg32Uint:
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case ffi::WGPUTextureFormat_Rg32Sint:
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case ffi::WGPUTextureFormat_Rg32Float:
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return 8;
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case ffi::WGPUTextureFormat_Rgba16Uint:
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case ffi::WGPUTextureFormat_Rgba16Sint:
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case ffi::WGPUTextureFormat_Rgba16Float:
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case ffi::WGPUTextureFormat_Rgba32Uint:
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case ffi::WGPUTextureFormat_Rgba32Sint:
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case ffi::WGPUTextureFormat_Rgba32Float:
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return 16;
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default:
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return 0;
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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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RawId id = mParent->GetBridge()->TextureCreateView(mId, aDesc,
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*mDefaultViewDescriptor);
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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 webgpu
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} // namespace mozilla
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