Index: ui/gfx/gl/gl_implementation_wayland.cc |
diff --git a/ui/gfx/gl/gl_implementation_wayland.cc b/ui/gfx/gl/gl_implementation_wayland.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..e9879e5661009f66fa8e9d6ac9f4e97b86301a78 |
--- /dev/null |
+++ b/ui/gfx/gl/gl_implementation_wayland.cc |
@@ -0,0 +1,108 @@ |
+// Copyright (c) 2011 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
jonathan.backer
2011/07/26 14:56:27
This seems very similar to gl_implementation_linux
|
+#include <vector> |
+ |
+#include "base/base_paths.h" |
+#include "base/command_line.h" |
+#include "base/file_path.h" |
+#include "base/logging.h" |
+#include "base/native_library.h" |
+#include "base/path_service.h" |
+#include "ui/gfx/gl/gl_bindings.h" |
+#include "ui/gfx/gl/gl_implementation.h" |
+ |
+namespace gfx { |
+namespace { |
+ |
+// TODO(piman): it should be Desktop GL marshalling from double to float. Today |
+// on native GLES, we do float->double->float. |
+void GL_BINDING_CALL MarshalClearDepthToClearDepthf(GLclampd depth) { |
+ glClearDepthf(static_cast<GLclampf>(depth)); |
+} |
+ |
+void GL_BINDING_CALL MarshalDepthRangeToDepthRangef(GLclampd z_near, |
+ GLclampd z_far) { |
+ glDepthRangef(static_cast<GLclampf>(z_near), static_cast<GLclampf>(z_far)); |
+} |
+ |
+// Load a library, printing an error message on failure. |
+base::NativeLibrary LoadLibrary(const FilePath& filename) { |
+ std::string error; |
+ base::NativeLibrary library = base::LoadNativeLibrary(filename, |
+ &error); |
+ if (!library) { |
+ VLOG(1) << "Failed to load " << filename.MaybeAsASCII() << ": " << error; |
+ return NULL; |
+ } |
+ return library; |
+} |
+ |
+base::NativeLibrary LoadLibrary(const char* filename) { |
+ return LoadLibrary(FilePath(filename)); |
+} |
+ |
+} // namespace anonymous |
+ |
+bool InitializeGLBindings(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. |
+ if (GetGLImplementation() != kGLImplementationNone) |
+ return true; |
+ |
+ switch (implementation) { |
+ case kGLImplementationEGLGLES2: { |
+ base::NativeLibrary gles_library = LoadLibrary("libGLESv2.so"); |
+ if (!gles_library) |
+ return false; |
+ base::NativeLibrary egl_library = LoadLibrary("libEGL.so"); |
+ if (!egl_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); |
+ |
+ InitializeGLBindingsGL(); |
+ InitializeGLBindingsEGL(); |
+ |
+ // These two functions take single precision float rather than double |
+ // precision float parameters in GLES. |
+ ::gfx::g_glClearDepth = MarshalClearDepthToClearDepthf; |
+ ::gfx::g_glDepthRange = MarshalDepthRangeToDepthRangef; |
+ break; |
+ } |
+ case kGLImplementationMockGL: { |
+ SetGLGetProcAddressProc(GetMockGLProcAddress); |
+ SetGLImplementation(kGLImplementationMockGL); |
+ InitializeGLBindingsGL(); |
+ break; |
+ } |
+ default: |
+ return false; |
+ } |
+ |
+ |
+ return true; |
+} |
+ |
+void InitializeDebugGLBindings() { |
+ InitializeDebugGLBindingsEGL(); |
+ InitializeDebugGLBindingsGL(); |
+} |
+ |
+} // namespace gfx |