1a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio/* 2a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio * Copyright 2017 Google Inc. 3a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio * 4a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio * Use of this source code is governed by a BSD-style license that can be 5a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio * found in the LICENSE file. 6a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio */ 7a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio 8a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio#include "fiddle_main.h" 9a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio 10a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio#include <EGL/egl.h> 1197b10ac4847fba563834911f35235aaf0299d0c8Joe Gregorio#include <GLES2/gl2.h> 12a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio 13a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregoriostatic const EGLint configAttribs[] = { 14a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio EGL_SURFACE_TYPE, EGL_PBUFFER_BIT, 15a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio EGL_BLUE_SIZE, 8, 16a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio EGL_GREEN_SIZE, 8, 17a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio EGL_RED_SIZE, 8, 18a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio EGL_DEPTH_SIZE, 8, 19a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio EGL_RENDERABLE_TYPE, EGL_OPENGL_BIT, 20a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio EGL_NONE 21a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio}; 22a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio 23a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregoriostatic const int pbufferWidth = 9; 24a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregoriostatic const int pbufferHeight = 9; 25a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio 26a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregoriostatic const EGLint pbufferAttribs[] = { 27a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio EGL_WIDTH, pbufferWidth, 28a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio EGL_HEIGHT, pbufferHeight, 29a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio EGL_NONE, 30a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio}; 31a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio 32a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio// create_grcontext implementation for EGL. 3397b10ac4847fba563834911f35235aaf0299d0c8Joe Gregoriosk_sp<GrContext> create_grcontext(std::ostringstream &driverinfo) { 34a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio EGLDisplay eglDpy = eglGetDisplay(EGL_DEFAULT_DISPLAY); 35a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio if (EGL_NO_DISPLAY == eglDpy) { 36a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio return nullptr; 37a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio } 38a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio 39a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio EGLint major, minor; 40a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio if (EGL_TRUE != eglInitialize(eglDpy, &major, &minor)) { 41a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio return nullptr; 42a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio } 43a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio 44a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio EGLint numConfigs; 45a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio EGLConfig eglCfg; 46a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio if (EGL_TRUE != eglChooseConfig(eglDpy, configAttribs, &eglCfg, 1, &numConfigs)) { 47a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio return nullptr; 48a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio } 49a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio 50a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio EGLSurface eglSurf = eglCreatePbufferSurface(eglDpy, eglCfg, pbufferAttribs); 51a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio if (EGL_NO_SURFACE == eglSurf) { 52a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio return nullptr; 53a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio } 54a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio 55a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio if (EGL_TRUE != eglBindAPI(EGL_OPENGL_API)) { 56a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio return nullptr; 57a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio } 58a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio 59a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio EGLContext eglCtx = eglCreateContext(eglDpy, eglCfg, EGL_NO_CONTEXT, NULL); 60a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio if (EGL_NO_CONTEXT == eglCtx) { 61a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio return nullptr; 62a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio } 63a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio if (EGL_FALSE == eglMakeCurrent(eglDpy, eglSurf, eglSurf, eglCtx)) { 64a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio return nullptr; 65a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio } 66a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio 6797b10ac4847fba563834911f35235aaf0299d0c8Joe Gregorio driverinfo << "EGL " << major << "." << minor << "\n"; 6897b10ac4847fba563834911f35235aaf0299d0c8Joe Gregorio GrGLGetStringProc getString = (GrGLGetStringProc )eglGetProcAddress("glGetString"); 6997b10ac4847fba563834911f35235aaf0299d0c8Joe Gregorio driverinfo << "GL Versionr: " << getString(GL_VERSION) << "\n"; 7097b10ac4847fba563834911f35235aaf0299d0c8Joe Gregorio driverinfo << "GL Vendor: " << getString(GL_VENDOR) << "\n"; 7197b10ac4847fba563834911f35235aaf0299d0c8Joe Gregorio driverinfo << "GL Renderer: " << getString(GL_RENDERER) << "\n"; 7297b10ac4847fba563834911f35235aaf0299d0c8Joe Gregorio driverinfo << "GL Extensions: " << getString(GL_EXTENSIONS) << "\n"; 7397b10ac4847fba563834911f35235aaf0299d0c8Joe Gregorio 74a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio auto interface = GrGLCreateNativeInterface(); 75a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio if (!interface) { 76a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio return nullptr; 77a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio } 78a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio eglTerminate(eglDpy); 79a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio 80a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio return sk_sp<GrContext>(GrContext::Create(kOpenGL_GrBackend, (GrBackendContext)interface)); 81a8fabd3f28abcca6ddc1a233189bd6deb98510fbJoe Gregorio} 82