Austin Eng 740995c0b1 Implement CreateBufferMapped in dawn_native for MAP_WRITE buffers only.
This is the first command to return a struct. This patch also
updates the code generator to support structure return values.

Bug: dawn:7
Change-Id: Ie8acec895c0ec88429672138ffc900032fbbc447
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/4780
Reviewed-by: Kai Ninomiya <kainino@chromium.org>
Commit-Queue: Austin Eng <enga@chromium.org>
2019-05-15 18:55:22 +00:00

49 lines
1.4 KiB
C++

// Copyright 2017 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.
#ifndef DAWNNATIVE_OPENGL_BUFFERGL_H_
#define DAWNNATIVE_OPENGL_BUFFERGL_H_
#include "dawn_native/Buffer.h"
#include "glad/glad.h"
namespace dawn_native { namespace opengl {
class Device;
class Buffer : public BufferBase {
public:
Buffer(Device* device, const BufferDescriptor* descriptor);
~Buffer();
GLuint GetHandle() const;
private:
// Dawn API
MaybeError SetSubDataImpl(uint32_t start, uint32_t count, const uint8_t* data) override;
void MapReadAsyncImpl(uint32_t serial) override;
void MapWriteAsyncImpl(uint32_t serial) override;
void UnmapImpl() override;
void DestroyImpl() override;
MaybeError MapAtCreationImpl(uint8_t** mappedPointer) override;
GLuint mBuffer = 0;
};
}} // namespace dawn_native::opengl
#endif // DAWNNATIVE_OPENGL_BUFFERGL_H_