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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_BITMAP_UPLOADER_BITMAP_UPLOADER_H_
#define COMPONENTS_BITMAP_UPLOADER_BITMAP_UPLOADER_H_
#include <stdint.h>
#include "base/compiler_specific.h"
#include "base/containers/hash_tables.h"
#include "base/macros.h"
#include "components/bitmap_uploader/bitmap_uploader_export.h"
#include "components/mus/public/cpp/window_surface.h"
#include "components/mus/public/interfaces/compositor_frame.mojom.h"
#include "components/mus/public/interfaces/gpu.mojom.h"
#include "gpu/GLES2/gl2chromium.h"
#include "gpu/GLES2/gl2extchromium.h"
#include "mojo/public/c/gles2/gles2.h"
namespace mojo {
class Shell;
}
namespace bitmap_uploader {
BITMAP_UPLOADER_EXPORT extern const char kBitmapUploaderForAcceleratedWidget[];
// BitmapUploader is useful if you want to draw a bitmap or color in a
// mus::Window.
class BITMAP_UPLOADER_EXPORT BitmapUploader
: NON_EXPORTED_BASE(public mus::mojom::SurfaceClient) {
public:
explicit BitmapUploader(mus::Window* window);
~BitmapUploader() override;
void Init(mojo::Shell* shell);
// Sets the color which is RGBA.
void SetColor(uint32_t color);
enum Format {
RGBA, // Pixel layout on Android.
BGRA, // Pixel layout everywhere else.
};
// Sets a bitmap.
void SetBitmap(int width,
int height,
scoped_ptr<std::vector<unsigned char>> data,
Format format);
private:
void Upload();
uint32_t BindTextureForSize(const mojo::Size size);
uint32_t TextureFormat() const {
return format_ == BGRA ? GL_BGRA_EXT : GL_RGBA;
}
void SetIdNamespace(uint32_t id_namespace);
// SurfaceClient implementation.
void ReturnResources(
mojo::Array<mus::mojom::ReturnedResourcePtr> resources) override;
mus::Window* window_;
mus::mojom::GpuPtr gpu_service_;
scoped_ptr<mus::WindowSurface> surface_;
MojoGLES2Context gles2_context_;
mojo::Size size_;
uint32_t color_;
int width_;
int height_;
Format format_;
scoped_ptr<std::vector<unsigned char>> bitmap_;
uint32_t next_resource_id_;
uint32_t id_namespace_;
base::hash_map<uint32_t, uint32_t> resource_to_texture_id_map_;
mojo::Binding<mus::mojom::SurfaceClient> surface_client_binding_;
DISALLOW_COPY_AND_ASSIGN(BitmapUploader);
};
} // namespace bitmap_uploader
#endif // COMPONENTS_BITMAP_UPLOADER_BITMAP_UPLAODER_H_
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