13bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy/* 23bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy * Copyright (C) 2013 The Android Open Source Project 33bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy * 43bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy * Licensed under the Apache License, Version 2.0 (the "License"); 53bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy * you may not use this file except in compliance with the License. 63bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy * You may obtain a copy of the License at 73bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy * 83bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy * http://www.apache.org/licenses/LICENSE-2.0 93bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy * 103bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy * Unless required by applicable law or agreed to in writing, software 113bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy * distributed under the License is distributed on an "AS IS" BASIS, 123bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 133bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy * See the License for the specific language governing permissions and 143bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy * limitations under the License. 153bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy */ 163bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy 17e9bc11f7121dbe373b0cbe5779ee6a12d824492cRomain Guy#define LOG_TAG "OpenGLRenderer" 18e9bc11f7121dbe373b0cbe5779ee6a12d824492cRomain Guy 19e9bc11f7121dbe373b0cbe5779ee6a12d824492cRomain Guy#include <GLES2/gl2.h> 20e9bc11f7121dbe373b0cbe5779ee6a12d824492cRomain Guy#include <GLES2/gl2ext.h> 21e9bc11f7121dbe373b0cbe5779ee6a12d824492cRomain Guy 22e9bc11f7121dbe373b0cbe5779ee6a12d824492cRomain Guy#include <EGL/egl.h> 23e9bc11f7121dbe373b0cbe5779ee6a12d824492cRomain Guy#include <EGL/eglext.h> 24e9bc11f7121dbe373b0cbe5779ee6a12d824492cRomain Guy 25e9bc11f7121dbe373b0cbe5779ee6a12d824492cRomain Guy#include <utils/Log.h> 26e9bc11f7121dbe373b0cbe5779ee6a12d824492cRomain Guy 273bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy#include "Debug.h" 283bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy#include "Extensions.h" 2931e08e953fe7bdb1b1cbc247156cb6a19917a2f1Romain Guy#include "Properties.h" 303bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy 313bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guynamespace android { 323bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy 333bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guyusing namespace uirenderer; 343bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain GuyANDROID_SINGLETON_STATIC_INSTANCE(Extensions); 353bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy 363bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guynamespace uirenderer { 373bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy 383bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy/////////////////////////////////////////////////////////////////////////////// 393bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy// Defines 403bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy/////////////////////////////////////////////////////////////////////////////// 413bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy 423bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy// Debug 433bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy#if DEBUG_EXTENSIONS 443bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy #define EXT_LOGD(...) ALOGD(__VA_ARGS__) 453bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy#else 463bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy #define EXT_LOGD(...) 473bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy#endif 483bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy 493bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy/////////////////////////////////////////////////////////////////////////////// 503bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy// Constructors 513bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy/////////////////////////////////////////////////////////////////////////////// 523bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy 533bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain GuyExtensions::Extensions(): Singleton<Extensions>() { 54e9bc11f7121dbe373b0cbe5779ee6a12d824492cRomain Guy // Query GL extensions 55e9bc11f7121dbe373b0cbe5779ee6a12d824492cRomain Guy findExtensions((const char*) glGetString(GL_EXTENSIONS), mGlExtensionList); 56e9bc11f7121dbe373b0cbe5779ee6a12d824492cRomain Guy mHasNPot = hasGlExtension("GL_OES_texture_npot"); 57e9bc11f7121dbe373b0cbe5779ee6a12d824492cRomain Guy mHasFramebufferFetch = hasGlExtension("GL_NV_shader_framebuffer_fetch"); 58e9bc11f7121dbe373b0cbe5779ee6a12d824492cRomain Guy mHasDiscardFramebuffer = hasGlExtension("GL_EXT_discard_framebuffer"); 59e9bc11f7121dbe373b0cbe5779ee6a12d824492cRomain Guy mHasDebugMarker = hasGlExtension("GL_EXT_debug_marker"); 60e9bc11f7121dbe373b0cbe5779ee6a12d824492cRomain Guy mHasDebugLabel = hasGlExtension("GL_EXT_debug_label"); 61e9bc11f7121dbe373b0cbe5779ee6a12d824492cRomain Guy mHasTiledRendering = hasGlExtension("GL_QCOM_tiled_rendering"); 62e9bc11f7121dbe373b0cbe5779ee6a12d824492cRomain Guy mHas1BitStencil = hasGlExtension("GL_OES_stencil1"); 63e9bc11f7121dbe373b0cbe5779ee6a12d824492cRomain Guy mHas4BitStencil = hasGlExtension("GL_OES_stencil4"); 64e9bc11f7121dbe373b0cbe5779ee6a12d824492cRomain Guy 65e9bc11f7121dbe373b0cbe5779ee6a12d824492cRomain Guy // Query EGL extensions 66e9bc11f7121dbe373b0cbe5779ee6a12d824492cRomain Guy findExtensions(eglQueryString(eglGetCurrentDisplay(), EGL_EXTENSIONS), mEglExtensionList); 6731e08e953fe7bdb1b1cbc247156cb6a19917a2f1Romain Guy 6831e08e953fe7bdb1b1cbc247156cb6a19917a2f1Romain Guy char property[PROPERTY_VALUE_MAX]; 6931e08e953fe7bdb1b1cbc247156cb6a19917a2f1Romain Guy if (property_get(PROPERTY_DEBUG_NV_PROFILING, property, NULL) > 0) { 7031e08e953fe7bdb1b1cbc247156cb6a19917a2f1Romain Guy mHasNvSystemTime = !strcmp(property, "true") && hasEglExtension("EGL_NV_system_time"); 7131e08e953fe7bdb1b1cbc247156cb6a19917a2f1Romain Guy } else { 7231e08e953fe7bdb1b1cbc247156cb6a19917a2f1Romain Guy mHasNvSystemTime = false; 7331e08e953fe7bdb1b1cbc247156cb6a19917a2f1Romain Guy } 74df1dc28ba0c63b195016ad0453fc58025ee82acbRomain Guy 75df1dc28ba0c63b195016ad0453fc58025ee82acbRomain Guy const char* version = (const char*) glGetString(GL_VERSION); 76df1dc28ba0c63b195016ad0453fc58025ee82acbRomain Guy 77df1dc28ba0c63b195016ad0453fc58025ee82acbRomain Guy // Section 6.1.5 of the OpenGL ES specification indicates the GL version 78df1dc28ba0c63b195016ad0453fc58025ee82acbRomain Guy // string strictly follows this format: 79df1dc28ba0c63b195016ad0453fc58025ee82acbRomain Guy // 80df1dc28ba0c63b195016ad0453fc58025ee82acbRomain Guy // OpenGL<space>ES<space><version number><space><vendor-specific information> 81df1dc28ba0c63b195016ad0453fc58025ee82acbRomain Guy // 82df1dc28ba0c63b195016ad0453fc58025ee82acbRomain Guy // In addition section 6.1.5 describes the version number thusly: 83df1dc28ba0c63b195016ad0453fc58025ee82acbRomain Guy // 84df1dc28ba0c63b195016ad0453fc58025ee82acbRomain Guy // "The version number is either of the form major number.minor number or 85df1dc28ba0c63b195016ad0453fc58025ee82acbRomain Guy // major number.minor number.release number, where the numbers all have one 86df1dc28ba0c63b195016ad0453fc58025ee82acbRomain Guy // or more digits. The release number and vendor specific information are 87df1dc28ba0c63b195016ad0453fc58025ee82acbRomain Guy // optional." 88df1dc28ba0c63b195016ad0453fc58025ee82acbRomain Guy 896cad75744ed3b81cf2c96f545368067b62c726ecRomain Guy if (sscanf(version, "OpenGL ES %d.%d", &mVersionMajor, &mVersionMinor) != 2) { 90df1dc28ba0c63b195016ad0453fc58025ee82acbRomain Guy // If we cannot parse the version number, assume OpenGL ES 2.0 91df1dc28ba0c63b195016ad0453fc58025ee82acbRomain Guy mVersionMajor = 2; 92df1dc28ba0c63b195016ad0453fc58025ee82acbRomain Guy mVersionMinor = 0; 93df1dc28ba0c63b195016ad0453fc58025ee82acbRomain Guy } 943bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy} 953bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy 963bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain GuyExtensions::~Extensions() { 973bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy} 983bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy 993bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy/////////////////////////////////////////////////////////////////////////////// 1003bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy// Methods 1013bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy/////////////////////////////////////////////////////////////////////////////// 1023bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy 103e9bc11f7121dbe373b0cbe5779ee6a12d824492cRomain Guybool Extensions::hasGlExtension(const char* extension) const { 1043bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy const String8 s(extension); 105e9bc11f7121dbe373b0cbe5779ee6a12d824492cRomain Guy return mGlExtensionList.indexOf(s) >= 0; 106e9bc11f7121dbe373b0cbe5779ee6a12d824492cRomain Guy} 107e9bc11f7121dbe373b0cbe5779ee6a12d824492cRomain Guy 108e9bc11f7121dbe373b0cbe5779ee6a12d824492cRomain Guybool Extensions::hasEglExtension(const char* extension) const { 109e9bc11f7121dbe373b0cbe5779ee6a12d824492cRomain Guy const String8 s(extension); 110e9bc11f7121dbe373b0cbe5779ee6a12d824492cRomain Guy return mEglExtensionList.indexOf(s) >= 0; 111e9bc11f7121dbe373b0cbe5779ee6a12d824492cRomain Guy} 112e9bc11f7121dbe373b0cbe5779ee6a12d824492cRomain Guy 113e9bc11f7121dbe373b0cbe5779ee6a12d824492cRomain Guyvoid Extensions::findExtensions(const char* extensions, SortedVector<String8>& list) const { 114e9bc11f7121dbe373b0cbe5779ee6a12d824492cRomain Guy const char* current = extensions; 115e9bc11f7121dbe373b0cbe5779ee6a12d824492cRomain Guy const char* head = current; 116e9bc11f7121dbe373b0cbe5779ee6a12d824492cRomain Guy EXT_LOGD("Available extensions:"); 117e9bc11f7121dbe373b0cbe5779ee6a12d824492cRomain Guy do { 118e9bc11f7121dbe373b0cbe5779ee6a12d824492cRomain Guy head = strchr(current, ' '); 119e9bc11f7121dbe373b0cbe5779ee6a12d824492cRomain Guy String8 s(current, head ? head - current : strlen(current)); 120e9bc11f7121dbe373b0cbe5779ee6a12d824492cRomain Guy if (s.length()) { 121e9bc11f7121dbe373b0cbe5779ee6a12d824492cRomain Guy list.add(s); 122e9bc11f7121dbe373b0cbe5779ee6a12d824492cRomain Guy EXT_LOGD(" %s", s.string()); 123e9bc11f7121dbe373b0cbe5779ee6a12d824492cRomain Guy } 124e9bc11f7121dbe373b0cbe5779ee6a12d824492cRomain Guy current = head + 1; 125e9bc11f7121dbe373b0cbe5779ee6a12d824492cRomain Guy } while (head); 1263bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy} 1273bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy 1283bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guyvoid Extensions::dump() const { 129e9bc11f7121dbe373b0cbe5779ee6a12d824492cRomain Guy ALOGD("%s", (const char*) glGetString(GL_VERSION)); 130e9bc11f7121dbe373b0cbe5779ee6a12d824492cRomain Guy ALOGD("Supported GL extensions:\n%s", (const char*) glGetString(GL_EXTENSIONS)); 131e9bc11f7121dbe373b0cbe5779ee6a12d824492cRomain Guy ALOGD("Supported EGL extensions:\n%s", eglQueryString(eglGetCurrentDisplay(), EGL_EXTENSIONS)); 1323bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy} 1333bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy 1343bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy}; // namespace uirenderer 1353bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy}; // namespace android 136