Index: ui/gl/init/gl_initializer_x11.cc |
diff --git a/ui/gl/init/gl_initializer_x11.cc b/ui/gl/init/gl_initializer_x11.cc |
index e6dc4928e10a7b788a97e5bb53169f73987e32ec..088230a7ff195ac9e3beef9b6e05e1095cf4eee5 100644 |
--- a/ui/gl/init/gl_initializer_x11.cc |
+++ b/ui/gl/init/gl_initializer_x11.cc |
@@ -4,15 +4,124 @@ |
#include "ui/gl/init/gl_initializer.h" |
+#include "base/command_line.h" |
#include "base/logging.h" |
-#include "ui/gl/gl_implementation.h" |
+#include "base/path_service.h" |
+#include "base/threading/thread_restrictions.h" |
+#include "build/build_config.h" |
+#include "ui/gl/gl_bindings.h" |
+#include "ui/gl/gl_egl_api_implementation.h" |
+#include "ui/gl/gl_gl_api_implementation.h" |
+#include "ui/gl/gl_glx_api_implementation.h" |
+#include "ui/gl/gl_implementation_osmesa.h" |
+#include "ui/gl/gl_osmesa_api_implementation.h" |
#include "ui/gl/gl_surface_egl.h" |
#include "ui/gl/gl_surface_glx.h" |
#include "ui/gl/gl_surface_osmesa_x11.h" |
+#include "ui/gl/gl_switches.h" |
namespace gl { |
namespace init { |
+namespace { |
+ |
+#if defined(OS_OPENBSD) |
+const char kGLLibraryName[] = "libGL.so"; |
+#else |
+const char kGLLibraryName[] = "libGL.so.1"; |
+#endif |
+ |
+const char kGLESv2LibraryName[] = "libGLESv2.so.2"; |
+const char kEGLLibraryName[] = "libEGL.so.1"; |
+ |
+const char kGLESv2ANGLELibraryName[] = "libGLESv2.so"; |
+const char kEGLANGLELibraryName[] = "libEGL.so"; |
+ |
+bool InitializeStaticGLXInternal() { |
+ base::NativeLibrary library = NULL; |
+ const base::CommandLine* command_line = |
+ base::CommandLine::ForCurrentProcess(); |
+ |
+ if (command_line->HasSwitch(switches::kTestGLLib)) |
+ library = LoadLibraryAndPrintError( |
+ command_line->GetSwitchValueASCII(switches::kTestGLLib).c_str()); |
+ |
+ if (!library) { |
+ library = LoadLibraryAndPrintError(kGLLibraryName); |
+ } |
+ |
+ if (!library) |
+ return false; |
+ |
+ GLGetProcAddressProc get_proc_address = |
+ reinterpret_cast<GLGetProcAddressProc>( |
+ base::GetFunctionPointerFromNativeLibrary(library, |
+ "glXGetProcAddress")); |
+ if (!get_proc_address) { |
+ LOG(ERROR) << "glxGetProcAddress not found."; |
+ base::UnloadNativeLibrary(library); |
+ return false; |
+ } |
+ |
+ SetGLGetProcAddressProc(get_proc_address); |
+ AddGLNativeLibrary(library); |
+ SetGLImplementation(kGLImplementationDesktopGL); |
+ |
+ InitializeStaticGLBindingsGL(); |
+ InitializeStaticGLBindingsGLX(); |
+ |
+ return true; |
+} |
+ |
+bool InitializeStaticEGLInternal() { |
+ base::FilePath glesv2_path(kGLESv2LibraryName); |
+ base::FilePath egl_path(kEGLLibraryName); |
+ |
+ const base::CommandLine* command_line = |
+ base::CommandLine::ForCurrentProcess(); |
+ if (command_line->GetSwitchValueASCII(switches::kUseGL) == |
+ kGLImplementationANGLEName) { |
+ base::FilePath module_path; |
+ if (!PathService::Get(base::DIR_MODULE, &module_path)) |
+ return false; |
+ |
+ glesv2_path = module_path.Append(kGLESv2ANGLELibraryName); |
+ egl_path = module_path.Append(kEGLANGLELibraryName); |
+ } |
+ |
+ base::NativeLibrary gles_library = LoadLibraryAndPrintError(glesv2_path); |
+ if (!gles_library) |
+ return false; |
+ base::NativeLibrary egl_library = LoadLibraryAndPrintError(egl_path); |
+ if (!egl_library) { |
+ base::UnloadNativeLibrary(gles_library); |
+ return false; |
+ } |
+ |
+ GLGetProcAddressProc get_proc_address = |
+ reinterpret_cast<GLGetProcAddressProc>( |
+ base::GetFunctionPointerFromNativeLibrary(egl_library, |
+ "eglGetProcAddress")); |
+ if (!get_proc_address) { |
+ LOG(ERROR) << "eglGetProcAddress not found."; |
+ base::UnloadNativeLibrary(egl_library); |
+ base::UnloadNativeLibrary(gles_library); |
+ return false; |
+ } |
+ |
+ SetGLGetProcAddressProc(get_proc_address); |
+ AddGLNativeLibrary(egl_library); |
+ AddGLNativeLibrary(gles_library); |
+ SetGLImplementation(kGLImplementationEGLGLES2); |
+ |
+ InitializeStaticGLBindingsGL(); |
+ InitializeStaticGLBindingsEGL(); |
+ |
+ return true; |
+} |
+ |
+} // namespace |
+ |
bool InitializeGLOneOffPlatform() { |
switch (GetGLImplementation()) { |
case kGLImplementationDesktopGL: |
@@ -38,5 +147,49 @@ bool InitializeGLOneOffPlatform() { |
} |
} |
+bool InitializeStaticGLBindings(GLImplementation implementation) { |
+ // Prevent reinitialization with a different implementation. Once the gpu |
+ // unit tests have initialized with kGLImplementationMock, we don't want to |
+ // later switch to another GL implementation. |
+ DCHECK_EQ(kGLImplementationNone, GetGLImplementation()); |
+ |
+ // Allow the main thread or another to initialize these bindings |
+ // after instituting restrictions on I/O. Going forward they will |
+ // likely be used in the browser process on most platforms. The |
+ // one-time initialization cost is small, between 2 and 5 ms. |
+ base::ThreadRestrictions::ScopedAllowIO allow_io; |
+ |
+ switch (implementation) { |
+ case kGLImplementationOSMesaGL: |
+ return InitializeStaticGLBindingsOSMesaGL(); |
+ case kGLImplementationDesktopGL: |
+ return InitializeStaticGLXInternal(); |
+ case kGLImplementationEGLGLES2: |
+ return InitializeStaticEGLInternal(); |
+ case kGLImplementationMockGL: |
+ SetGLImplementation(kGLImplementationMockGL); |
+ InitializeStaticGLBindingsGL(); |
+ return true; |
+ default: |
+ NOTREACHED(); |
+ } |
+ |
+ return false; |
+} |
+ |
+void InitializeDebugGLBindings() { |
+ InitializeDebugGLBindingsEGL(); |
+ InitializeDebugGLBindingsGL(); |
+ InitializeDebugGLBindingsGLX(); |
+ InitializeDebugGLBindingsOSMESA(); |
+} |
+ |
+void ClearGLBindingsPlatform() { |
+ ClearGLBindingsEGL(); |
+ ClearGLBindingsGL(); |
+ ClearGLBindingsGLX(); |
+ ClearGLBindingsOSMESA(); |
+} |
+ |
} // namespace init |
} // namespace gl |