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| 1 /* | |
| 2 * Copyright (C) 2012 Intel Corporation. All rights reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions | |
| 6 * are met: | |
| 7 * 1. Redistributions of source code must retain the above copyright | |
| 8 * notice, this list of conditions and the following disclaimer. | |
| 9 * 2. Redistributions in binary form must reproduce the above copyright | |
| 10 * notice, this list of conditions and the following disclaimer in the | |
| 11 * documentation and/or other materials provided with the distribution. | |
| 12 * | |
| 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' | |
| 14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, | |
| 15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS | |
| 17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
| 18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
| 19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
| 20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
| 21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
| 22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF | |
| 23 * THE POSSIBILITY OF SUCH DAMAGE. | |
| 24 */ | |
| 25 | |
| 26 #include "config.h" | |
| 27 #include "GLXSurface.h" | |
| 28 | |
| 29 #if USE(ACCELERATED_COMPOSITING) && USE(GLX) | |
| 30 | |
| 31 namespace WebCore { | |
| 32 | |
| 33 static PFNGLXBINDTEXIMAGEEXTPROC pGlXBindTexImageEXT = 0; | |
| 34 static PFNGLXRELEASETEXIMAGEEXTPROC pGlXReleaseTexImageEXT = 0; | |
| 35 | |
| 36 static bool resolveGLMethods() | |
| 37 { | |
| 38 static bool resolved = false; | |
| 39 if (resolved) | |
| 40 return true; | |
| 41 | |
| 42 pGlXBindTexImageEXT = reinterpret_cast<PFNGLXBINDTEXIMAGEEXTPROC>(glXGetProc
Address(reinterpret_cast<const GLubyte*>("glXBindTexImageEXT"))); | |
| 43 pGlXReleaseTexImageEXT = reinterpret_cast<PFNGLXRELEASETEXIMAGEEXTPROC>(glXG
etProcAddress(reinterpret_cast<const GLubyte*>("glXReleaseTexImageEXT"))); | |
| 44 | |
| 45 resolved = pGlXBindTexImageEXT && pGlXReleaseTexImageEXT; | |
| 46 | |
| 47 return resolved; | |
| 48 } | |
| 49 | |
| 50 static int glxAttributes[] = { | |
| 51 GLX_TEXTURE_FORMAT_EXT, | |
| 52 GLX_TEXTURE_FORMAT_RGBA_EXT, | |
| 53 GLX_TEXTURE_TARGET_EXT, | |
| 54 GLX_TEXTURE_2D_EXT, | |
| 55 0 | |
| 56 }; | |
| 57 | |
| 58 static bool isMesaGLX() | |
| 59 { | |
| 60 static bool isMesa = !!strstr(glXGetClientString(X11Helper::nativeDisplay(),
GLX_VENDOR), "Mesa"); | |
| 61 return isMesa; | |
| 62 } | |
| 63 | |
| 64 GLXTransportSurface::GLXTransportSurface(const IntSize& size, SurfaceAttributes
attributes) | |
| 65 : GLTransportSurface(size, attributes) | |
| 66 { | |
| 67 m_sharedDisplay = X11Helper::nativeDisplay(); | |
| 68 attributes |= GLPlatformSurface::DoubleBuffered; | |
| 69 m_configSelector = adoptPtr(new GLXConfigSelector(attributes)); | |
| 70 OwnPtrX11<XVisualInfo> visInfo(m_configSelector->visualInfo(m_configSelector
->surfaceContextConfig())); | |
| 71 | |
| 72 if (!visInfo.get()) { | |
| 73 destroy(); | |
| 74 return; | |
| 75 } | |
| 76 | |
| 77 X11Helper::createOffScreenWindow(&m_bufferHandle, *visInfo.get(), size); | |
| 78 | |
| 79 if (!m_bufferHandle) { | |
| 80 destroy(); | |
| 81 return; | |
| 82 } | |
| 83 | |
| 84 m_drawable = m_bufferHandle; | |
| 85 } | |
| 86 | |
| 87 GLXTransportSurface::~GLXTransportSurface() | |
| 88 { | |
| 89 } | |
| 90 | |
| 91 PlatformSurfaceConfig GLXTransportSurface::configuration() | |
| 92 { | |
| 93 return m_configSelector->surfaceContextConfig(); | |
| 94 } | |
| 95 | |
| 96 void GLXTransportSurface::setGeometry(const IntRect& newRect) | |
| 97 { | |
| 98 GLTransportSurface::setGeometry(newRect); | |
| 99 X11Helper::resizeWindow(newRect, m_drawable); | |
| 100 // Force resize of GL surface after window resize. | |
| 101 glXSwapBuffers(sharedDisplay(), m_drawable); | |
| 102 } | |
| 103 | |
| 104 void GLXTransportSurface::swapBuffers() | |
| 105 { | |
| 106 if (!m_drawable) | |
| 107 return; | |
| 108 | |
| 109 glXSwapBuffers(sharedDisplay(), m_drawable); | |
| 110 } | |
| 111 | |
| 112 void GLXTransportSurface::destroy() | |
| 113 { | |
| 114 GLTransportSurface::destroy(); | |
| 115 | |
| 116 if (m_bufferHandle) { | |
| 117 X11Helper::destroyWindow(m_bufferHandle); | |
| 118 m_bufferHandle = 0; | |
| 119 m_drawable = 0; | |
| 120 } | |
| 121 | |
| 122 m_configSelector = nullptr; | |
| 123 } | |
| 124 | |
| 125 GLPlatformSurface::SurfaceAttributes GLXTransportSurface::attributes() const | |
| 126 { | |
| 127 return m_configSelector->attributes(); | |
| 128 } | |
| 129 | |
| 130 GLXOffScreenSurface::GLXOffScreenSurface(SurfaceAttributes surfaceAttributes) | |
| 131 : GLPlatformSurface(surfaceAttributes) | |
| 132 , m_pixmap(0) | |
| 133 , m_glxPixmap(0) | |
| 134 { | |
| 135 initialize(surfaceAttributes); | |
| 136 } | |
| 137 | |
| 138 GLXOffScreenSurface::~GLXOffScreenSurface() | |
| 139 { | |
| 140 } | |
| 141 | |
| 142 void GLXOffScreenSurface::initialize(SurfaceAttributes attributes) | |
| 143 { | |
| 144 m_sharedDisplay = X11Helper::nativeDisplay(); | |
| 145 | |
| 146 m_configSelector = adoptPtr(new GLXConfigSelector(attributes)); | |
| 147 | |
| 148 OwnPtrX11<XVisualInfo> visualInfo(m_configSelector->visualInfo(m_configSelec
tor->pixmapContextConfig())); | |
| 149 X11Helper::createPixmap(&m_pixmap, *visualInfo.get()); | |
| 150 | |
| 151 if (!m_pixmap) { | |
| 152 destroy(); | |
| 153 return; | |
| 154 } | |
| 155 | |
| 156 m_glxPixmap = glXCreateGLXPixmap(m_sharedDisplay, visualInfo.get(), m_pixmap
); | |
| 157 | |
| 158 if (!m_glxPixmap) { | |
| 159 destroy(); | |
| 160 return; | |
| 161 } | |
| 162 | |
| 163 m_drawable = m_glxPixmap; | |
| 164 } | |
| 165 | |
| 166 PlatformSurfaceConfig GLXOffScreenSurface::configuration() | |
| 167 { | |
| 168 return m_configSelector->pixmapContextConfig(); | |
| 169 } | |
| 170 | |
| 171 void GLXOffScreenSurface::destroy() | |
| 172 { | |
| 173 freeResources(); | |
| 174 } | |
| 175 | |
| 176 void GLXOffScreenSurface::freeResources() | |
| 177 { | |
| 178 Display* display = sharedDisplay(); | |
| 179 | |
| 180 if (!display) | |
| 181 return; | |
| 182 | |
| 183 if (m_glxPixmap) { | |
| 184 glXDestroyGLXPixmap(display, m_glxPixmap); | |
| 185 glXWaitGL(); | |
| 186 m_glxPixmap = 0; | |
| 187 } | |
| 188 | |
| 189 if (m_pixmap) { | |
| 190 X11Helper::destroyPixmap(m_pixmap); | |
| 191 m_pixmap = 0; | |
| 192 } | |
| 193 | |
| 194 m_configSelector = nullptr; | |
| 195 m_drawable = 0; | |
| 196 } | |
| 197 | |
| 198 GLXTransportSurfaceClient::GLXTransportSurfaceClient(const PlatformBufferHandle
handle) | |
| 199 : GLTransportSurfaceClient(handle) | |
| 200 { | |
| 201 if (!resolveGLMethods()) | |
| 202 return; | |
| 203 | |
| 204 XWindowAttributes attr; | |
| 205 Display* display = X11Helper::nativeDisplay(); | |
| 206 if (!XGetWindowAttributes(display, handle, &attr)) | |
| 207 return; | |
| 208 | |
| 209 // Ensure that the window is mapped. | |
| 210 if (attr.map_state == IsUnmapped || attr.map_state == IsUnviewable) | |
| 211 return; | |
| 212 | |
| 213 ScopedXPixmapCreationErrorHandler handler; | |
| 214 | |
| 215 XRenderPictFormat* format = XRenderFindVisualFormat(display, attr.visual); | |
| 216 bool hasAlpha = (format->type == PictTypeDirect && format->direct.alphaMask)
; | |
| 217 m_xPixmap = XCompositeNameWindowPixmap(display, handle); | |
| 218 | |
| 219 if (!m_xPixmap) | |
| 220 return; | |
| 221 | |
| 222 glxAttributes[1] = (format->depth == 32 && hasAlpha) ? GLX_TEXTURE_FORMAT_RG
BA_EXT : GLX_TEXTURE_FORMAT_RGB_EXT; | |
| 223 | |
| 224 GLPlatformSurface::SurfaceAttributes sharedSurfaceAttributes = GLPlatformSur
face::Default; | |
| 225 | |
| 226 if (hasAlpha) { | |
| 227 sharedSurfaceAttributes = GLPlatformSurface::SupportAlpha; | |
| 228 m_hasAlpha = true; | |
| 229 } | |
| 230 | |
| 231 GLXConfigSelector configSelector(sharedSurfaceAttributes); | |
| 232 | |
| 233 m_glxPixmap = glXCreatePixmap(display, configSelector.surfaceClientConfig(fo
rmat->depth, XVisualIDFromVisual(attr.visual)), m_xPixmap, glxAttributes); | |
| 234 | |
| 235 if (!m_glxPixmap || !handler.isValidOperation()) { | |
| 236 destroy(); | |
| 237 return; | |
| 238 } | |
| 239 | |
| 240 createTexture(); | |
| 241 glXWaitX(); | |
| 242 pGlXBindTexImageEXT(display, m_glxPixmap, GLX_FRONT_EXT, 0); | |
| 243 } | |
| 244 | |
| 245 GLXTransportSurfaceClient::~GLXTransportSurfaceClient() | |
| 246 { | |
| 247 } | |
| 248 | |
| 249 void GLXTransportSurfaceClient::destroy() | |
| 250 { | |
| 251 Display* display = X11Helper::nativeDisplay(); | |
| 252 if (!display) | |
| 253 return; | |
| 254 | |
| 255 if (m_texture) { | |
| 256 pGlXReleaseTexImageEXT(display, m_glxPixmap, GLX_FRONT_EXT); | |
| 257 GLTransportSurfaceClient::destroy(); | |
| 258 } | |
| 259 | |
| 260 if (m_glxPixmap) { | |
| 261 glXDestroyPixmap(display, m_glxPixmap); | |
| 262 m_glxPixmap = 0; | |
| 263 glXWaitGL(); | |
| 264 } | |
| 265 | |
| 266 if (m_xPixmap) { | |
| 267 X11Helper::destroyPixmap(m_xPixmap); | |
| 268 m_xPixmap = 0; | |
| 269 } | |
| 270 } | |
| 271 | |
| 272 void GLXTransportSurfaceClient::prepareTexture() | |
| 273 { | |
| 274 if (isMesaGLX() && m_texture) { | |
| 275 Display* display = X11Helper::nativeDisplay(); | |
| 276 glBindTexture(GL_TEXTURE_2D, m_texture); | |
| 277 // Mesa doesn't re-bind texture to the front buffer on glXSwapBufer | |
| 278 // Manually release previous lock and rebind texture to surface to ensur
e frame updates. | |
| 279 pGlXReleaseTexImageEXT(display, m_glxPixmap, GLX_FRONT_EXT); | |
| 280 pGlXBindTexImageEXT(display, m_glxPixmap, GLX_FRONT_EXT, 0); | |
| 281 } | |
| 282 } | |
| 283 | |
| 284 } | |
| 285 | |
| 286 #endif | |
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Chromium Code Reviews
Issue 13529026:
Removing a bunch of unused platform code. (Closed)
Base URL: svn://svn.chromium.org/blink/trunk