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 base {
  34 class AtExitManager;
  35 }  // namespace base
  36
  37 namespace egl {
  38
  39 class Config;
  40 class Surface;
  41
  42 class Display : private gpu::GpuControl {
  43  public:
  44   explicit Display(EGLNativeDisplayType display_id);
  45   ~Display() override;
  46
  47   void SetCreateOffscreen(int width, int height) {
  48     create_offscreen_ = true;
  49     create_offscreen_width_ = width;
  50     create_offscreen_height_ = height;
  51   }
  52
  53   bool is_initialized() const { return is_initialized_; }
  54   bool Initialize();
  55
  56   // Config routines.
  57   bool IsValidConfig(EGLConfig config);
  58   bool ChooseConfigs(
  59       EGLConfig* configs, EGLint config_size, EGLint* num_config);
  60   bool GetConfigs(EGLConfig* configs, EGLint config_size, EGLint* num_config);
  61   bool GetConfigAttrib(EGLConfig config, EGLint attribute, EGLint* value);
  62
  63   // Surface routines.
  64   bool IsValidNativeWindow(EGLNativeWindowType win);
  65   bool IsValidSurface(EGLSurface surface);
  66   EGLSurface CreateWindowSurface(EGLConfig config,
  67                                  EGLNativeWindowType win,
  68                                  const EGLint* attrib_list);
  69   void DestroySurface(EGLSurface surface);
  70   void SwapBuffers(EGLSurface surface);
  71
  72   // Context routines.
  73   bool IsValidContext(EGLContext ctx);
  74   EGLContext CreateContext(EGLConfig config,
  75                            EGLContext share_ctx,
  76                            const EGLint* attrib_list);
  77   void DestroyContext(EGLContext ctx);
  78   bool MakeCurrent(EGLSurface draw, EGLSurface read, EGLContext ctx);
  79
  80   // GpuControl implementation.
  81   gpu::Capabilities GetCapabilities() override;
  82   int32_t CreateImage(ClientBuffer buffer,
  83                       size_t width,
  84                       size_t height,
  85                       unsigned internalformat) override;
  86   void DestroyImage(int32_t id) override;
  87   int32_t CreateGpuMemoryBufferImage(size_t width,
  88                                      size_t height,
  89                                      unsigned internalformat,
  90                                      unsigned usage) override;
  91   uint32 InsertSyncPoint() override;
  92   uint32 InsertFutureSyncPoint() override;
  93   void RetireSyncPoint(uint32 sync_point) override;
  94   void SignalSyncPoint(uint32 sync_point,
  95                        const base::Closure& callback) override;
  96   void SignalQuery(uint32 query, const base::Closure& callback) override;
  97   void SetSurfaceVisible(bool visible) override;
  98   uint32 CreateStreamTexture(uint32 texture_id) override;
  99   void SetLock(base::Lock*) override;
 100   bool IsGpuChannelLost() override;
 101   gpu::CommandBufferNamespace GetNamespaceID() const override;
 102   uint64_t GetCommandBufferID() const override;
 103
 104  private:
 105   EGLNativeDisplayType display_id_;
 106
 107   bool is_initialized_;
 108
 109 // elg::Display is used for comformance tests and command_buffer_gles.  We only
 110 // need the exit manager for the command_buffer_gles library.
 111 // TODO(hendrikw): Find a cleaner solution for this.
 112 #if defined(COMMAND_BUFFER_GLES_LIB_SUPPORT_ONLY)
 113   scoped_ptr<base::AtExitManager> exit_manager_;
 114 #endif  // COMMAND_BUFFER_GLES_LIB_SUPPORT_ONLY
 115
 116   bool create_offscreen_;
 117   int create_offscreen_width_;
 118   int create_offscreen_height_;
 119
 120   scoped_refptr<gpu::TransferBufferManagerInterface> transfer_buffer_manager_;
 121   scoped_ptr<gpu::CommandBufferService> command_buffer_;
 122   scoped_ptr<gpu::GpuScheduler> gpu_scheduler_;
 123   scoped_ptr<gpu::gles2::GLES2Decoder> decoder_;
 124   scoped_refptr<gfx::GLContext> gl_context_;
 125   scoped_refptr<gfx::GLSurface> gl_surface_;
 126   scoped_ptr<gpu::gles2::GLES2CmdHelper> gles2_cmd_helper_;
 127   scoped_ptr<gpu::TransferBuffer> transfer_buffer_;
 128
 129   // TODO(alokp): Support more than one config, surface, and context.
 130   scoped_ptr<Config> config_;
 131   scoped_ptr<Surface> surface_;
 132   scoped_ptr<gpu::gles2::GLES2Implementation> context_;
 133
 134   DISALLOW_COPY_AND_ASSIGN(Display);
 135 };
 136
 137 }  // namespace egl
 138
 139 #endif  // GPU_GLES2_CONFORM_SUPPORT_EGL_DISPLAY_H_