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