| // Copyright 2016 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_OZONE_PLATFORM_DRM_GPU_GBM_SURFACE_H_ |
| #define UI_OZONE_PLATFORM_DRM_GPU_GBM_SURFACE_H_ |
| |
| #include <memory> |
| |
| #include "base/macros.h" |
| #include "base/memory/ref_counted.h" |
| #include "ui/gl/gl_context.h" |
| #include "ui/gl/gl_image.h" |
| #include "ui/ozone/platform/drm/gpu/gbm_surfaceless.h" |
| |
| namespace ui { |
| |
| class DrmWindowProxy; |
| class GbmSurfaceFactory; |
| |
| // A GLSurface for GBM Ozone platform provides surface-like semantics |
| // implemented through surfaceless. A framebuffer is bound automatically. |
| class GbmSurface : public GbmSurfaceless { |
| public: |
| GbmSurface(GbmSurfaceFactory* surface_factory, |
| std::unique_ptr<DrmWindowProxy> window, |
| gfx::AcceleratedWidget widget); |
| |
| // gl::GLSurface: |
| unsigned int GetBackingFrameBufferObject() override; |
| bool OnMakeCurrent(gl::GLContext* context) override; |
| bool Resize(const gfx::Size& size, |
| float scale_factor, |
| bool has_alpha) override; |
| bool SupportsPostSubBuffer() override; |
| void SwapBuffersAsync(const SwapCompletionCallback& callback) override; |
| void Destroy() override; |
| bool IsSurfaceless() const override; |
| |
| private: |
| ~GbmSurface() override; |
| |
| void BindFramebuffer(); |
| bool CreatePixmaps(); |
| |
| scoped_refptr<gl::GLContext> context_; |
| GLuint fbo_ = 0; |
| GLuint textures_[2]; |
| scoped_refptr<gl::GLImage> images_[2]; |
| int current_surface_ = 0; |
| |
| DISALLOW_COPY_AND_ASSIGN(GbmSurface); |
| }; |
| |
| } // namespace ui |
| |
| #endif // UI_OZONE_PLATFORM_DRM_GPU_GBM_SURFACE_H_ |