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// Copyright 2018 The Dawn Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "dawn/native/opengl/QueueGL.h"
#include "dawn/native/opengl/BufferGL.h"
#include "dawn/native/opengl/CommandBufferGL.h"
#include "dawn/native/opengl/DeviceGL.h"
#include "dawn/native/opengl/TextureGL.h"
#include "dawn/platform/DawnPlatform.h"
#include "dawn/platform/tracing/TraceEvent.h"
namespace dawn::native::opengl {
Queue::Queue(Device* device, const QueueDescriptor* descriptor) : QueueBase(device, descriptor) {}
MaybeError Queue::SubmitImpl(uint32_t commandCount, CommandBufferBase* const* commands) {
Device* device = ToBackend(GetDevice());
TRACE_EVENT_BEGIN0(GetDevice()->GetPlatform(), Recording, "CommandBufferGL::Execute");
for (uint32_t i = 0; i < commandCount; ++i) {
DAWN_TRY(ToBackend(commands[i])->Execute());
}
TRACE_EVENT_END0(GetDevice()->GetPlatform(), Recording, "CommandBufferGL::Execute");
device->SubmitFenceSync();
return {};
}
MaybeError Queue::WriteBufferImpl(BufferBase* buffer,
uint64_t bufferOffset,
const void* data,
size_t size) {
const OpenGLFunctions& gl = ToBackend(GetDevice())->GetGL();
ToBackend(buffer)->EnsureDataInitializedAsDestination(bufferOffset, size);
gl.BindBuffer(GL_ARRAY_BUFFER, ToBackend(buffer)->GetHandle());
gl.BufferSubData(GL_ARRAY_BUFFER, bufferOffset, size, data);
buffer->MarkUsedInPendingCommands();
return {};
}
MaybeError Queue::WriteTextureImpl(const ImageCopyTexture& destination,
const void* data,
const TextureDataLayout& dataLayout,
const Extent3D& writeSizePixel) {
DAWN_INVALID_IF(destination.aspect == wgpu::TextureAspect::StencilOnly,
"Writes to stencil textures unsupported on the OpenGL backend.");
TextureCopy textureCopy;
textureCopy.texture = destination.texture;
textureCopy.mipLevel = destination.mipLevel;
textureCopy.origin = destination.origin;
textureCopy.aspect = SelectFormatAspects(destination.texture->GetFormat(), destination.aspect);
SubresourceRange range = GetSubresourcesAffectedByCopy(textureCopy, writeSizePixel);
if (IsCompleteSubresourceCopiedTo(destination.texture, writeSizePixel, destination.mipLevel)) {
destination.texture->SetIsSubresourceContentInitialized(true, range);
} else {
DAWN_TRY(ToBackend(destination.texture)->EnsureSubresourceContentInitialized(range));
}
DoTexSubImage(ToBackend(GetDevice())->GetGL(), textureCopy, data, dataLayout, writeSizePixel);
ToBackend(destination.texture)->Touch();
return {};
}
} // namespace dawn::native::opengl