src/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/service/command_buffer_service.h"
  13 #include "gpu/command_buffer/service/gles2_cmd_decoder.h"
  14 #include "gpu/command_buffer/service/gpu_scheduler.h"
  15 #include "ui/gfx/native_widget_types.h"
  16 #include "ui/gl/gl_context.h"
  17 #include "ui/gl/gl_surface.h"
  18
  19 namespace gpu {
  20 class CommandBufferService;
  21 class GpuControl;
  22 class GpuScheduler;
  23 class TransferBuffer;
  24 class TransferBufferManagerInterface;
  25
  26 namespace gles2 {
  27 class GLES2CmdHelper;
  28 class GLES2Implementation;
  29 }  // namespace gles2
  30 }  // namespace gpu
  31
  32 namespace egl {
  33
  34 class Config;
  35 class Surface;
  36
  37 class Display {
  38  public:
  39   explicit Display(EGLNativeDisplayType display_id);
  40   virtual ~Display();
  41
  42   void SetCreateOffscreen(int width, int height) {
  43     create_offscreen_ = true;
  44     create_offscreen_width_ = width;
  45     create_offscreen_height_ = height;
  46   }
  47
  48   bool is_initialized() const { return is_initialized_; }
  49   bool Initialize();
  50
  51   // Config routines.
  52   bool IsValidConfig(EGLConfig config);
  53   bool ChooseConfigs(
  54       EGLConfig* configs, EGLint config_size, EGLint* num_config);
  55   bool GetConfigs(EGLConfig* configs, EGLint config_size, EGLint* num_config);
  56   bool GetConfigAttrib(EGLConfig config, EGLint attribute, EGLint* value);
  57
  58   // Surface routines.
  59   bool IsValidNativeWindow(EGLNativeWindowType win);
  60   bool IsValidSurface(EGLSurface surface);
  61   EGLSurface CreateWindowSurface(EGLConfig config,
  62                                  EGLNativeWindowType win,
  63                                  const EGLint* attrib_list);
  64   void DestroySurface(EGLSurface surface);
  65   void SwapBuffers(EGLSurface surface);
  66
  67   // Context routines.
  68   bool IsValidContext(EGLContext ctx);
  69   EGLContext CreateContext(EGLConfig config,
  70                            EGLContext share_ctx,
  71                            const EGLint* attrib_list);
  72   void DestroyContext(EGLContext ctx);
  73   bool MakeCurrent(EGLSurface draw, EGLSurface read, EGLContext ctx);
  74
  75  private:
  76   EGLNativeDisplayType display_id_;
  77
  78   bool is_initialized_;
  79   bool create_offscreen_;
  80   int create_offscreen_width_;
  81   int create_offscreen_height_;
  82
  83   scoped_ptr<gpu::TransferBufferManagerInterface> transfer_buffer_manager_;
  84   scoped_ptr<gpu::CommandBufferService> command_buffer_;
  85   scoped_ptr<gpu::GpuScheduler> gpu_scheduler_;
  86   scoped_ptr<gpu::gles2::GLES2Decoder> decoder_;
  87   scoped_ptr<gpu::GpuControl> gpu_control_;
  88   scoped_refptr<gfx::GLContext> gl_context_;
  89   scoped_refptr<gfx::GLSurface> gl_surface_;
  90   scoped_ptr<gpu::gles2::GLES2CmdHelper> gles2_cmd_helper_;
  91   scoped_ptr<gpu::TransferBuffer> transfer_buffer_;
  92
  93   // TODO(alokp): Support more than one config, surface, and context.
  94   scoped_ptr<Config> config_;
  95   scoped_ptr<Surface> surface_;
  96   scoped_ptr<gpu::gles2::GLES2Implementation> context_;
  97
  98   DISALLOW_COPY_AND_ASSIGN(Display);
  99 };
 100
 101 }  // namespace egl
 102
 103 #endif  // GPU_GLES2_CONFORM_SUPPORT_EGL_DISPLAY_H_