| /* |
| * Copyright 2014 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| |
| #include "include/gpu/gl/GrGLAssembleInterface.h" |
| #include "include/gpu/gl/GrGLInterface.h" |
| #include "src/gpu/gl/GrGLUtil.h" |
| |
| // Define this to get a prototype for glXGetProcAddress on some systems |
| #define GLX_GLXEXT_PROTOTYPES 1 |
| #include <GL/glx.h> |
| |
| static GrGLFuncPtr glx_get(void* ctx, const char name[]) { |
| // Avoid calling glXGetProcAddress() for EGL procs. |
| // We don't expect it to ever succeed, but somtimes it returns non-null anyway. |
| if (0 == strncmp(name, "egl", 3)) { |
| return nullptr; |
| } |
| |
| SkASSERT(nullptr == ctx); |
| SkASSERT(glXGetCurrentContext()); |
| return glXGetProcAddress(reinterpret_cast<const GLubyte*>(name)); |
| } |
| |
| sk_sp<const GrGLInterface> GrGLMakeNativeInterface() { |
| if (nullptr == glXGetCurrentContext()) { |
| return nullptr; |
| } |
| |
| return GrGLMakeAssembledInterface(nullptr, glx_get); |
| } |
| |
| const GrGLInterface* GrGLCreateNativeInterface() { return GrGLMakeNativeInterface().release(); } |