1 /* 2 * Copyright 2017 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #include "fiddle_main.h" 9 10 #include <GL/osmesa.h> 11 12 // create_grcontext implementation for Mesa. 13 sk_sp<GrContext> create_grcontext(std::ostringstream &driverinfo) { 14 // We just leak the OSMesaContext... the process will die soon anyway. 15 if (OSMesaContext osMesaContext = OSMesaCreateContextExt(OSMESA_BGRA, 0, 0, 0, nullptr)) { 16 static uint32_t buffer[16 * 16]; 17 OSMesaMakeCurrent(osMesaContext, &buffer, GL_UNSIGNED_BYTE, 16, 16); 18 } 19 driverinfo << "Mesa"; 20 21 auto osmesa_get = [](void* ctx, const char name[]) { 22 SkASSERT(nullptr == ctx); 23 SkASSERT(OSMesaGetCurrentContext()); 24 return OSMesaGetProcAddress(name); 25 }; 26 sk_sp<const GrGLInterface> mesa(GrGLAssembleInterface(nullptr, osmesa_get)); 27 if (!mesa) { 28 return nullptr; 29 } 30 return sk_sp<GrContext>(GrContext::Create( 31 kOpenGL_GrBackend, 32 reinterpret_cast<intptr_t>(mesa.get()))); 33 } 34
