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| 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 #include "ui/gfx/gl/gl_surface.h" | |
| 6 | |
| 7 #include "base/logging.h" | |
| 8 #include "base/memory/scoped_ptr.h" | |
| 9 #include "base/message_loop.h" | |
| 10 #include "third_party/mesa/MesaLib/include/GL/osmesa.h" | |
| 11 #include "ui/gfx/gl/gl_bindings.h" | |
| 12 #include "ui/gfx/gl/gl_implementation.h" | |
| 13 #include "ui/gfx/gl/gl_surface_egl.h" | |
| 14 #include "ui/gfx/gl/gl_surface_glx.h" | |
| 15 #include "ui/gfx/gl/gl_surface_osmesa.h" | |
| 16 #include "ui/gfx/gl/gl_surface_stub.h" | |
| 17 | |
| 18 namespace gfx { | |
| 19 | |
| 20 namespace { | |
| 21 Display* g_osmesa_display; | |
| 22 } // namespace anonymous | |
| 23 | |
| 24 // This OSMesa GL surface can use XLib to swap the contents of the buffer to a | |
| 25 // view. | |
| 26 class NativeViewGLSurfaceOSMesa : public GLSurfaceOSMesa { | |
| 27 public: | |
| 28 explicit NativeViewGLSurfaceOSMesa(gfx::AcceleratedWidget window); | |
| 29 virtual ~NativeViewGLSurfaceOSMesa(); | |
| 30 | |
| 31 static bool InitializeOneOff(); | |
| 32 | |
| 33 // Implement a subset of GLSurface. | |
| 34 virtual bool Initialize() OVERRIDE; | |
| 35 virtual void Destroy() OVERRIDE; | |
| 36 virtual bool Resize(const gfx::Size& new_size) OVERRIDE; | |
| 37 virtual bool IsOffscreen() OVERRIDE; | |
| 38 virtual bool SwapBuffers() OVERRIDE; | |
| 39 virtual std::string GetExtensions() OVERRIDE; | |
| 40 virtual bool PostSubBuffer(int x, int y, int width, int height) OVERRIDE; | |
| 41 | |
| 42 private: | |
| 43 GC window_graphics_context_; | |
| 44 gfx::AcceleratedWidget window_; | |
| 45 GC pixmap_graphics_context_; | |
| 46 Pixmap pixmap_; | |
| 47 | |
| 48 DISALLOW_COPY_AND_ASSIGN(NativeViewGLSurfaceOSMesa); | |
| 49 }; | |
| 50 | |
| 51 bool GLSurface::InitializeOneOffInternal() { | |
| 52 switch (GetGLImplementation()) { | |
| 53 case kGLImplementationDesktopGL: | |
| 54 if (!GLSurfaceGLX::InitializeOneOff()) { | |
| 55 LOG(ERROR) << "GLSurfaceGLX::InitializeOneOff failed."; | |
| 56 return false; | |
| 57 } | |
| 58 break; | |
| 59 case kGLImplementationOSMesaGL: | |
| 60 if (!NativeViewGLSurfaceOSMesa::InitializeOneOff()) { | |
| 61 LOG(ERROR) << "NativeViewGLSurfaceOSMesa::InitializeOneOff failed."; | |
| 62 return false; | |
| 63 } | |
| 64 break; | |
| 65 case kGLImplementationEGLGLES2: | |
| 66 if (!GLSurfaceEGL::InitializeOneOff()) { | |
| 67 LOG(ERROR) << "GLSurfaceEGL::InitializeOneOff failed."; | |
| 68 return false; | |
| 69 } | |
| 70 break; | |
| 71 default: | |
| 72 break; | |
| 73 } | |
| 74 | |
| 75 return true; | |
| 76 } | |
| 77 | |
| 78 NativeViewGLSurfaceOSMesa::NativeViewGLSurfaceOSMesa( | |
| 79 gfx::AcceleratedWidget window) | |
| 80 : GLSurfaceOSMesa(OSMESA_BGRA, gfx::Size(1, 1)), | |
| 81 window_graphics_context_(0), | |
| 82 window_(window), | |
| 83 pixmap_graphics_context_(0), | |
| 84 pixmap_(0) { | |
| 85 DCHECK(window); | |
| 86 } | |
| 87 | |
| 88 NativeViewGLSurfaceOSMesa::~NativeViewGLSurfaceOSMesa() { | |
| 89 Destroy(); | |
| 90 } | |
| 91 | |
| 92 bool NativeViewGLSurfaceOSMesa::InitializeOneOff() { | |
| 93 static bool initialized = false; | |
| 94 if (initialized) | |
| 95 return true; | |
| 96 | |
| 97 g_osmesa_display = base::MessagePumpForUI::GetDefaultXDisplay(); | |
| 98 if (!g_osmesa_display) { | |
| 99 LOG(ERROR) << "XOpenDisplay failed."; | |
| 100 return false; | |
| 101 } | |
| 102 | |
| 103 initialized = true; | |
| 104 return true; | |
| 105 } | |
| 106 | |
| 107 bool NativeViewGLSurfaceOSMesa::Initialize() { | |
| 108 if (!GLSurfaceOSMesa::Initialize()) | |
| 109 return false; | |
| 110 | |
| 111 window_graphics_context_ = XCreateGC(g_osmesa_display, | |
| 112 window_, | |
| 113 0, | |
| 114 NULL); | |
| 115 if (!window_graphics_context_) { | |
| 116 LOG(ERROR) << "XCreateGC failed."; | |
| 117 Destroy(); | |
| 118 return false; | |
| 119 } | |
| 120 | |
| 121 return true; | |
| 122 } | |
| 123 | |
| 124 void NativeViewGLSurfaceOSMesa::Destroy() { | |
| 125 if (pixmap_graphics_context_) { | |
| 126 XFreeGC(g_osmesa_display, pixmap_graphics_context_); | |
| 127 pixmap_graphics_context_ = NULL; | |
| 128 } | |
| 129 | |
| 130 if (pixmap_) { | |
| 131 XFreePixmap(g_osmesa_display, pixmap_); | |
| 132 pixmap_ = 0; | |
| 133 } | |
| 134 | |
| 135 if (window_graphics_context_) { | |
| 136 XFreeGC(g_osmesa_display, window_graphics_context_); | |
| 137 window_graphics_context_ = NULL; | |
| 138 } | |
| 139 } | |
| 140 | |
| 141 bool NativeViewGLSurfaceOSMesa::Resize(const gfx::Size& new_size) { | |
| 142 if (!GLSurfaceOSMesa::Resize(new_size)) | |
| 143 return false; | |
| 144 | |
| 145 XWindowAttributes attributes; | |
| 146 if (!XGetWindowAttributes(g_osmesa_display, window_, &attributes)) { | |
| 147 LOG(ERROR) << "XGetWindowAttributes failed for window " << window_ << "."; | |
| 148 return false; | |
| 149 } | |
| 150 | |
| 151 // Destroy the previous pixmap and graphics context. | |
| 152 if (pixmap_graphics_context_) { | |
| 153 XFreeGC(g_osmesa_display, pixmap_graphics_context_); | |
| 154 pixmap_graphics_context_ = NULL; | |
| 155 } | |
| 156 if (pixmap_) { | |
| 157 XFreePixmap(g_osmesa_display, pixmap_); | |
| 158 pixmap_ = 0; | |
| 159 } | |
| 160 | |
| 161 // Recreate a pixmap to hold the frame. | |
| 162 pixmap_ = XCreatePixmap(g_osmesa_display, | |
| 163 window_, | |
| 164 new_size.width(), | |
| 165 new_size.height(), | |
| 166 attributes.depth); | |
| 167 if (!pixmap_) { | |
| 168 LOG(ERROR) << "XCreatePixmap failed."; | |
| 169 return false; | |
| 170 } | |
| 171 | |
| 172 // Recreate a graphics context for the pixmap. | |
| 173 pixmap_graphics_context_ = XCreateGC(g_osmesa_display, pixmap_, 0, NULL); | |
| 174 if (!pixmap_graphics_context_) { | |
| 175 LOG(ERROR) << "XCreateGC failed"; | |
| 176 return false; | |
| 177 } | |
| 178 | |
| 179 return true; | |
| 180 } | |
| 181 | |
| 182 bool NativeViewGLSurfaceOSMesa::IsOffscreen() { | |
| 183 return false; | |
| 184 } | |
| 185 | |
| 186 bool NativeViewGLSurfaceOSMesa::SwapBuffers() { | |
| 187 gfx::Size size = GetSize(); | |
| 188 | |
| 189 XWindowAttributes attributes; | |
| 190 if (!XGetWindowAttributes(g_osmesa_display, window_, &attributes)) { | |
| 191 LOG(ERROR) << "XGetWindowAttributes failed for window " << window_ << "."; | |
| 192 return false; | |
| 193 } | |
| 194 | |
| 195 // Copy the frame into the pixmap. | |
| 196 ui::PutARGBImage(g_osmesa_display, | |
| 197 attributes.visual, | |
| 198 attributes.depth, | |
| 199 pixmap_, | |
| 200 pixmap_graphics_context_, | |
| 201 static_cast<const uint8*>(GetHandle()), | |
| 202 size.width(), | |
| 203 size.height()); | |
| 204 | |
| 205 // Copy the pixmap to the window. | |
| 206 XCopyArea(g_osmesa_display, | |
| 207 pixmap_, | |
| 208 window_, | |
| 209 window_graphics_context_, | |
| 210 0, 0, | |
| 211 size.width(), size.height(), | |
| 212 0, 0); | |
| 213 | |
| 214 return true; | |
| 215 } | |
| 216 | |
| 217 std::string NativeViewGLSurfaceOSMesa::GetExtensions() { | |
| 218 std::string extensions = gfx::GLSurfaceOSMesa::GetExtensions(); | |
| 219 extensions += extensions.empty() ? "" : " "; | |
| 220 extensions += "GL_CHROMIUM_post_sub_buffer"; | |
| 221 return extensions; | |
| 222 } | |
| 223 | |
| 224 bool NativeViewGLSurfaceOSMesa::PostSubBuffer( | |
| 225 int x, int y, int width, int height) { | |
| 226 gfx::Size size = GetSize(); | |
| 227 | |
| 228 // Move (0,0) from lower-left to upper-left | |
| 229 y = size.height() - y - height; | |
| 230 | |
| 231 XWindowAttributes attributes; | |
| 232 if (!XGetWindowAttributes(g_osmesa_display, window_, &attributes)) { | |
| 233 LOG(ERROR) << "XGetWindowAttributes failed for window " << window_ << "."; | |
| 234 return false; | |
| 235 } | |
| 236 | |
| 237 // Copy the frame into the pixmap. | |
| 238 ui::PutARGBImage(g_osmesa_display, | |
| 239 attributes.visual, | |
| 240 attributes.depth, | |
| 241 pixmap_, | |
| 242 pixmap_graphics_context_, | |
| 243 static_cast<const uint8*>(GetHandle()), | |
| 244 size.width(), | |
| 245 size.height(), | |
| 246 x, y, | |
| 247 x, y, | |
| 248 width, | |
| 249 height); | |
| 250 | |
| 251 // Copy the pixmap to the window. | |
| 252 XCopyArea(g_osmesa_display, | |
| 253 pixmap_, | |
| 254 window_, | |
| 255 window_graphics_context_, | |
| 256 x, y, | |
| 257 width, height, | |
| 258 x, y); | |
| 259 | |
| 260 return true; | |
| 261 } | |
| 262 | |
| 263 scoped_refptr<GLSurface> GLSurface::CreateViewGLSurface( | |
| 264 bool software, | |
| 265 gfx::AcceleratedWidget window) { | |
| 266 if (software) | |
| 267 return NULL; | |
| 268 | |
| 269 switch (GetGLImplementation()) { | |
| 270 case kGLImplementationOSMesaGL: { | |
| 271 scoped_refptr<GLSurface> surface( | |
| 272 new NativeViewGLSurfaceOSMesa(window)); | |
| 273 if (!surface->Initialize()) | |
| 274 return NULL; | |
| 275 | |
| 276 return surface; | |
| 277 } | |
| 278 case kGLImplementationDesktopGL: { | |
| 279 scoped_refptr<GLSurface> surface(new NativeViewGLSurfaceGLX( | |
| 280 window)); | |
| 281 if (!surface->Initialize()) | |
| 282 return NULL; | |
| 283 | |
| 284 return surface; | |
| 285 } | |
| 286 case kGLImplementationEGLGLES2: { | |
| 287 scoped_refptr<GLSurface> surface(new NativeViewGLSurfaceEGL( | |
| 288 false, window)); | |
| 289 if (!surface->Initialize()) | |
| 290 return NULL; | |
| 291 | |
| 292 return surface; | |
| 293 } | |
| 294 case kGLImplementationMockGL: | |
| 295 return new GLSurfaceStub; | |
| 296 default: | |
| 297 NOTREACHED(); | |
| 298 return NULL; | |
| 299 } | |
| 300 } | |
| 301 | |
| 302 scoped_refptr<GLSurface> GLSurface::CreateOffscreenGLSurface( | |
| 303 bool software, | |
| 304 const gfx::Size& size) { | |
| 305 if (software) | |
| 306 return NULL; | |
| 307 | |
| 308 switch (GetGLImplementation()) { | |
| 309 case kGLImplementationOSMesaGL: { | |
| 310 scoped_refptr<GLSurface> surface(new GLSurfaceOSMesa(OSMESA_RGBA, | |
| 311 size)); | |
| 312 if (!surface->Initialize()) | |
| 313 return NULL; | |
| 314 | |
| 315 return surface; | |
| 316 } | |
| 317 case kGLImplementationDesktopGL: { | |
| 318 scoped_refptr<GLSurface> surface(new PbufferGLSurfaceGLX(size)); | |
| 319 if (!surface->Initialize()) | |
| 320 return NULL; | |
| 321 | |
| 322 return surface; | |
| 323 } | |
| 324 case kGLImplementationEGLGLES2: { | |
| 325 scoped_refptr<GLSurface> surface(new PbufferGLSurfaceEGL(false, size)); | |
| 326 if (!surface->Initialize()) | |
| 327 return NULL; | |
| 328 | |
| 329 return surface; | |
| 330 } | |
| 331 case kGLImplementationMockGL: | |
| 332 return new GLSurfaceStub; | |
| 333 default: | |
| 334 NOTREACHED(); | |
| 335 return NULL; | |
| 336 } | |
| 337 } | |
| 338 | |
| 339 } // namespace gfx | |
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Chromium Code Reviews
Issue 10392068:
ui: Move gl/ directory out of gfx/, up to ui/. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src