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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef SERVICES_UI_DEMO_BITMAP_UPLOADER_H_ | |
| 6 #define SERVICES_UI_DEMO_BITMAP_UPLOADER_H_ | |
| 7 | |
| 8 #include <stdint.h> | |
| 9 | |
| 10 #include <memory> | |
| 11 #include <unordered_map> | |
| 12 | |
| 13 #include "base/compiler_specific.h" | |
| 14 #include "base/macros.h" | |
| 15 #include "base/memory/weak_ptr.h" | |
| 16 #include "cc/output/compositor_frame_sink_client.h" | |
| 17 #include "gpu/GLES2/gl2chromium.h" | |
| 18 #include "gpu/GLES2/gl2extchromium.h" | |
| 19 #include "services/ui/public/cpp/window_compositor_frame_sink.h" | |
| 20 | |
| 21 namespace gpu { | |
| 22 class GpuChannelHost; | |
| 23 } | |
| 24 | |
| 25 namespace ui { | |
| 26 | |
| 27 class GpuService; | |
| 28 class Window; | |
| 29 | |
| 30 extern const char kBitmapUploaderForAcceleratedWidget[]; | |
| 31 | |
| 32 // BitmapUploader is useful if you want to draw a bitmap or color in a | |
| 33 // Window. | |
| 34 class BitmapUploader : public cc::CompositorFrameSinkClient { | |
| 35 public: | |
| 36 explicit BitmapUploader(Window* window); | |
| 37 ~BitmapUploader() override; | |
| 38 | |
| 39 void Init(GpuService* gpu_service); | |
| 40 // Sets the color which is RGBA. | |
| 41 void SetColor(uint32_t color); | |
| 42 | |
| 43 enum Format { | |
| 44 RGBA, // Pixel layout on Android. | |
| 45 BGRA, // Pixel layout everywhere else. | |
| 46 }; | |
| 47 | |
| 48 // Sets a bitmap. | |
| 49 void SetBitmap(int width, | |
| 50 int height, | |
| 51 std::unique_ptr<std::vector<unsigned char>> data, | |
| 52 Format format); | |
| 53 | |
| 54 private: | |
| 55 void Upload(); | |
| 56 | |
| 57 void OnGpuChannelEstablished( | |
| 58 gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager, | |
| 59 scoped_refptr<gpu::GpuChannelHost> gpu_channel); | |
| 60 | |
| 61 uint32_t BindTextureForSize(const gfx::Size& size); | |
| 62 | |
| 63 uint32_t TextureFormat() const { | |
| 64 return format_ == BGRA ? GL_BGRA_EXT : GL_RGBA; | |
| 65 } | |
| 66 | |
| 67 void SetIdNamespace(uint32_t id_namespace); | |
| 68 | |
| 69 // cc::CompositorFrameSinkClient implementation. | |
| 70 void SetBeginFrameSource(cc::BeginFrameSource* source) override; | |
| 71 void ReclaimResources(const cc::ReturnedResourceArray& resources) override; | |
| 72 void SetTreeActivationCallback(const base::Closure& callback) override; | |
| 73 void DidReceiveCompositorFrameAck() override; | |
| 74 void DidLoseCompositorFrameSink() override; | |
| 75 void OnDraw(const gfx::Transform& transform, | |
| 76 const gfx::Rect& viewport, | |
| 77 bool resourceless_software_draw) override; | |
| 78 void SetMemoryPolicy(const cc::ManagedMemoryPolicy& policy) override; | |
| 79 void SetExternalTilePriorityConstraints( | |
| 80 const gfx::Rect& viewport_rect, | |
| 81 const gfx::Transform& transform) override; | |
| 82 | |
| 83 Window* window_; | |
| 84 std::unique_ptr<WindowCompositorFrameSink> compositor_frame_sink_; | |
| 85 | |
| 86 uint32_t color_; | |
| 87 int width_; | |
| 88 int height_; | |
| 89 Format format_; | |
| 90 std::unique_ptr<std::vector<unsigned char>> bitmap_; | |
| 91 uint32_t next_resource_id_; | |
| 92 std::unordered_map<uint32_t, uint32_t> resource_to_texture_id_map_; | |
| 93 | |
| 94 base::WeakPtrFactory<BitmapUploader> weak_factory_; | |
| 95 | |
| 96 DISALLOW_COPY_AND_ASSIGN(BitmapUploader); | |
| 97 }; | |
| 98 | |
| 99 } // namespace ui | |
| 100 | |
| 101 #endif // SERVICES_UI_DEMO_BITMAP_UPLOADER_H_ | |
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Chromium Code Reviews
Issue 2551733002:
Converting Mus Demo to use Aura. (Closed)
