gpu/gles2_conform_support/egl/display.h

   1 // Copyright (c) 2012 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 GPU_GLES2_CONFORM_SUPPORT_EGL_DISPLAY_H_
   6 #define GPU_GLES2_CONFORM_SUPPORT_EGL_DISPLAY_H_
   7
   8 #include <EGL/egl.h>
   9
  10 #include "base/memory/scoped_ptr.h"
  11 #include "gpu/command_buffer/client/gles2_cmd_helper.h"
  12 #include "gpu/command_buffer/client/gpu_control.h"
  13 #include "gpu/command_buffer/service/command_buffer_service.h"
  14 #include "gpu/command_buffer/service/gles2_cmd_decoder.h"
  15 #include "gpu/command_buffer/service/gpu_scheduler.h"
  16 #include "ui/gfx/native_widget_types.h"
  17 #include "ui/gl/gl_context.h"
  18 #include "ui/gl/gl_surface.h"
  19
  20 namespace gpu {
  21 class CommandBufferService;
  22 class GpuControl;
  23 class GpuScheduler;
  24 class TransferBuffer;
  25 class TransferBufferManagerInterface;
  26
  27 namespace gles2 {
  28 class GLES2CmdHelper;
  29 class GLES2Implementation;
  30 }  // namespace gles2
  31 }  // namespace gpu
  32
  33 namespace egl {
  34
  35 class Config;
  36 class Surface;
  37
  38 class Display : private gpu::GpuControl {
  39  public:
  40   explicit Display(EGLNativeDisplayType display_id);
  41   virtual ~Display();
  42
  43   void SetCreateOffscreen(int width, int height) {
  44     create_offscreen_ = true;
  45     create_offscreen_width_ = width;
  46     create_offscreen_height_ = height;
  47   }
  48
  49   bool is_initialized() const { return is_initialized_; }
  50   bool Initialize();
  51
  52   // Config routines.
  53   bool IsValidConfig(EGLConfig config);
  54   bool ChooseConfigs(
  55       EGLConfig* configs, EGLint config_size, EGLint* num_config);
  56   bool GetConfigs(EGLConfig* configs, EGLint config_size, EGLint* num_config);
  57   bool GetConfigAttrib(EGLConfig config, EGLint attribute, EGLint* value);
  58
  59   // Surface routines.
  60   bool IsValidNativeWindow(EGLNativeWindowType win);
  61   bool IsValidSurface(EGLSurface surface);
  62   EGLSurface CreateWindowSurface(EGLConfig config,
  63                                  EGLNativeWindowType win,
  64                                  const EGLint* attrib_list);
  65   void DestroySurface(EGLSurface surface);
  66   void SwapBuffers(EGLSurface surface);
  67
  68   // Context routines.
  69   bool IsValidContext(EGLContext ctx);
  70   EGLContext CreateContext(EGLConfig config,
  71                            EGLContext share_ctx,
  72                            const EGLint* attrib_list);
  73   void DestroyContext(EGLContext ctx);
  74   bool MakeCurrent(EGLSurface draw, EGLSurface read, EGLContext ctx);
  75
  76   // GpuControl implementation.
  77   virtual gpu::Capabilities GetCapabilities() OVERRIDE;
  78   virtual gfx::GpuMemoryBuffer* CreateGpuMemoryBuffer(size_t width,
  79                                                       size_t height,
  80                                                       unsigned internalformat,
  81                                                       unsigned usage,
  82                                                       int32* id) OVERRIDE;
  83   virtual void DestroyGpuMemoryBuffer(int32 id) OVERRIDE;
  84   virtual uint32 InsertSyncPoint() OVERRIDE;
  85   virtual uint32 InsertFutureSyncPoint() OVERRIDE;
  86   virtual void RetireSyncPoint(uint32 sync_point) OVERRIDE;
  87   virtual void SignalSyncPoint(uint32 sync_point,
  88                                const base::Closure& callback) OVERRIDE;
  89   virtual void SignalQuery(uint32 query,
  90                            const base::Closure& callback) OVERRIDE;
  91   virtual void SetSurfaceVisible(bool visible) OVERRIDE;
  92   virtual void Echo(const base::Closure& callback) OVERRIDE;
  93   virtual uint32 CreateStreamTexture(uint32 texture_id) OVERRIDE;
  94
  95  private:
  96   EGLNativeDisplayType display_id_;
  97
  98   bool is_initialized_;
  99   bool create_offscreen_;
 100   int create_offscreen_width_;
 101   int create_offscreen_height_;
 102
 103   scoped_ptr<gpu::TransferBufferManagerInterface> transfer_buffer_manager_;
 104   scoped_ptr<gpu::CommandBufferService> command_buffer_;
 105   scoped_ptr<gpu::GpuScheduler> gpu_scheduler_;
 106   scoped_ptr<gpu::gles2::GLES2Decoder> decoder_;
 107   scoped_refptr<gfx::GLContext> gl_context_;
 108   scoped_refptr<gfx::GLSurface> gl_surface_;
 109   scoped_ptr<gpu::gles2::GLES2CmdHelper> gles2_cmd_helper_;
 110   scoped_ptr<gpu::TransferBuffer> transfer_buffer_;
 111
 112   // TODO(alokp): Support more than one config, surface, and context.
 113   scoped_ptr<Config> config_;
 114   scoped_ptr<Surface> surface_;
 115   scoped_ptr<gpu::gles2::GLES2Implementation> context_;
 116
 117   DISALLOW_COPY_AND_ASSIGN(Display);
 118 };
 119
 120 }  // namespace egl
 121
 122 #endif  // GPU_GLES2_CONFORM_SUPPORT_EGL_DISPLAY_H_