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| 1 // Copyright (c) 2011 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 #include "ui/gfx/gl/gl_surface.h" |
| 6 |
| 7 #include <wayland-egl.h> |
| 8 |
| 9 #include "base/logging.h" |
| 10 #include "base/memory/scoped_ptr.h" |
| 11 #include "ui/gfx/gl/egl_util.h" |
| 12 #include "ui/gfx/gl/gl_bindings.h" |
| 13 #include "ui/gfx/gl/gl_implementation.h" |
| 14 #include "ui/gfx/gl/gl_surface_egl.h" |
| 15 #include "ui/wayland/wayland_display.h" |
| 16 |
| 17 namespace { |
| 18 |
| 19 // Encapsulates a pixmap EGL surface. |
| 20 class PixmapGLSurfaceEGL : public gfx::GLSurfaceEGL { |
| 21 public: |
| 22 explicit PixmapGLSurfaceEGL(bool software, const gfx::Size& size); |
| 23 virtual ~PixmapGLSurfaceEGL(); |
| 24 |
| 25 // Implement GLSurface. |
| 26 virtual bool Initialize(); |
| 27 virtual void Destroy(); |
| 28 virtual bool IsOffscreen(); |
| 29 virtual bool SwapBuffers(); |
| 30 virtual gfx::Size GetSize(); |
| 31 virtual EGLSurface GetHandle(); |
| 32 |
| 33 private: |
| 34 gfx::Size size_; |
| 35 EGLSurface surface_; |
| 36 EGLNativePixmapType pixmap_; |
| 37 |
| 38 DISALLOW_COPY_AND_ASSIGN(PixmapGLSurfaceEGL); |
| 39 }; |
| 40 |
| 41 PixmapGLSurfaceEGL::PixmapGLSurfaceEGL(bool software, const gfx::Size& size) |
| 42 : size_(size), |
| 43 surface_(NULL), |
| 44 pixmap_(NULL) { |
| 45 software_ = software; |
| 46 } |
| 47 |
| 48 PixmapGLSurfaceEGL::~PixmapGLSurfaceEGL() { |
| 49 Destroy(); |
| 50 } |
| 51 |
| 52 bool PixmapGLSurfaceEGL::Initialize() { |
| 53 DCHECK(!surface_); |
| 54 DCHECK(!pixmap_); |
| 55 |
| 56 pixmap_ = wl_egl_pixmap_create( |
| 57 size_.width(), |
| 58 size_.height(), |
| 59 ui::WaylandDisplay::GetDisplay( |
| 60 GLSurfaceEGL::GetNativeDisplay())->visual(), |
| 61 0); |
| 62 surface_ = eglCreatePixmapSurface(gfx::GLSurfaceEGL::GetDisplay(), |
| 63 gfx::GLSurfaceEGL::GetConfig(), |
| 64 pixmap_, |
| 65 NULL); |
| 66 if (!surface_) { |
| 67 LOG(ERROR) << "eglCreatePixmapSurface failed with error " |
| 68 << gfx::GetLastEGLErrorString(); |
| 69 Destroy(); |
| 70 return false; |
| 71 } |
| 72 |
| 73 return true; |
| 74 } |
| 75 |
| 76 void PixmapGLSurfaceEGL::Destroy() { |
| 77 if (surface_) { |
| 78 if (!eglDestroySurface(gfx::GLSurfaceEGL::GetDisplay(), surface_)) { |
| 79 LOG(ERROR) << "eglDestroySurface failed with error " |
| 80 << gfx::GetLastEGLErrorString(); |
| 81 } |
| 82 surface_ = NULL; |
| 83 } |
| 84 if (pixmap_) { |
| 85 wl_egl_pixmap_destroy(pixmap_); |
| 86 pixmap_ = NULL; |
| 87 } |
| 88 } |
| 89 |
| 90 bool PixmapGLSurfaceEGL::IsOffscreen() { |
| 91 return true; |
| 92 } |
| 93 |
| 94 bool PixmapGLSurfaceEGL::SwapBuffers() { |
| 95 NOTREACHED() << "Attempted to call SwapBuffers on a PixmapGLSurfaceEGL."; |
| 96 return false; |
| 97 } |
| 98 |
| 99 gfx::Size PixmapGLSurfaceEGL::GetSize() { |
| 100 return size_; |
| 101 } |
| 102 |
| 103 EGLSurface PixmapGLSurfaceEGL::GetHandle() { |
| 104 return surface_; |
| 105 } |
| 106 |
| 107 } |
| 108 |
| 109 namespace gfx { |
| 110 |
| 111 bool GLSurface::InitializeOneOff() { |
| 112 static bool initialized = false; |
| 113 if (initialized) |
| 114 return true; |
| 115 |
| 116 static const GLImplementation kAllowedGLImplementations[] = { |
| 117 kGLImplementationEGLGLES2 |
| 118 }; |
| 119 |
| 120 if (!InitializeRequestedGLBindings( |
| 121 kAllowedGLImplementations, |
| 122 kAllowedGLImplementations + arraysize(kAllowedGLImplementations), |
| 123 kGLImplementationEGLGLES2)) { |
| 124 LOG(ERROR) << "InitializeRequestedGLBindings failed."; |
| 125 return false; |
| 126 } |
| 127 |
| 128 if (!GLSurfaceEGL::InitializeOneOff()) { |
| 129 LOG(ERROR) << "GLSurfaceEGL::InitializeOneOff failed."; |
| 130 return false; |
| 131 } |
| 132 |
| 133 initialized = true; |
| 134 return true; |
| 135 } |
| 136 |
| 137 scoped_refptr<GLSurface> GLSurface::CreateViewGLSurface( |
| 138 bool software, |
| 139 gfx::PluginWindowHandle window) { |
| 140 |
| 141 if (software) |
| 142 return NULL; |
| 143 |
| 144 scoped_refptr<GLSurface> surface( |
| 145 new NativeViewGLSurfaceEGL(software, window)); |
| 146 if (!surface->Initialize()) |
| 147 return NULL; |
| 148 |
| 149 return surface; |
| 150 } |
| 151 |
| 152 scoped_refptr<GLSurface> GLSurface::CreateOffscreenGLSurface( |
| 153 bool software, |
| 154 const gfx::Size& size) { |
| 155 if (software) |
| 156 return NULL; |
| 157 |
| 158 scoped_refptr<GLSurface> surface(new PixmapGLSurfaceEGL(software, size)); |
| 159 if (!surface->Initialize()) |
| 160 return NULL; |
| 161 |
| 162 return surface; |
| 163 } |
| 164 |
| 165 } // namespace gfx |
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