| // Copyright 2013 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 UI_GL_GL_IMAGE_IO_SURFACE_H_ |
| #define UI_GL_GL_IMAGE_IO_SURFACE_H_ |
| |
| #include <IOSurface/IOSurface.h> |
| |
| #include "base/mac/scoped_cftyperef.h" |
| #include "base/threading/thread_checker.h" |
| #include "ui/gfx/buffer_types.h" |
| #include "ui/gfx/generic_shared_memory_id.h" |
| #include "ui/gl/gl_image.h" |
| |
| #if defined(__OBJC__) |
| @class CALayer; |
| #else |
| typedef void* CALayer; |
| #endif |
| |
| namespace gl { |
| |
| class GL_EXPORT GLImageIOSurface : public GLImage { |
| public: |
| GLImageIOSurface(const gfx::Size& size, unsigned internalformat); |
| |
| bool Initialize(IOSurfaceRef io_surface, |
| gfx::GenericSharedMemoryId io_surface_id, |
| gfx::BufferFormat format); |
| |
| // Overridden from GLImage: |
| void Destroy(bool have_context) override; |
| gfx::Size GetSize() override; |
| unsigned GetInternalFormat() override; |
| bool BindTexImage(unsigned target) override; |
| void ReleaseTexImage(unsigned target) override {} |
| bool CopyTexImage(unsigned target) override; |
| bool CopyTexSubImage(unsigned target, |
| const gfx::Point& offset, |
| const gfx::Rect& rect) override; |
| bool ScheduleOverlayPlane(gfx::AcceleratedWidget widget, |
| int z_order, |
| gfx::OverlayTransform transform, |
| const gfx::Rect& bounds_rect, |
| const gfx::RectF& crop_rect) override; |
| void OnMemoryDump(base::trace_event::ProcessMemoryDump* pmd, |
| uint64_t process_tracing_id, |
| const std::string& dump_name) override; |
| |
| gfx::GenericSharedMemoryId io_surface_id() const { return io_surface_id_; } |
| base::ScopedCFTypeRef<IOSurfaceRef> io_surface(); |
| |
| static void SetLayerForWidget(gfx::AcceleratedWidget widget, CALayer* layer); |
| |
| static unsigned GetInternalFormatForTesting(gfx::BufferFormat format); |
| |
| protected: |
| ~GLImageIOSurface() override; |
| |
| private: |
| const gfx::Size size_; |
| const unsigned internalformat_; |
| gfx::BufferFormat format_; |
| base::ScopedCFTypeRef<IOSurfaceRef> io_surface_; |
| gfx::GenericSharedMemoryId io_surface_id_; |
| base::ThreadChecker thread_checker_; |
| |
| // GL state to support 420v IOSurface conversion to RGB. |
| unsigned framebuffer_ = 0; |
| unsigned vertex_shader_ = 0; |
| unsigned fragment_shader_ = 0; |
| unsigned program_ = 0; |
| int size_location_ = -1; |
| unsigned vertex_buffer_ = 0; |
| unsigned yuv_textures_[2] = {}; |
| |
| DISALLOW_COPY_AND_ASSIGN(GLImageIOSurface); |
| }; |
| |
| } // namespace gl |
| |
| #endif // UI_GL_GL_IMAGE_IO_SURFACE_H_ |