/* * Copyright (C) 2010 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include <stdlib.h> #include <stdio.h> #include <stdint.h> #include "GLExtensions.h" namespace android { // --------------------------------------------------------------------------- ANDROID_SINGLETON_STATIC_INSTANCE( GLExtensions ) GLExtensions::GLExtensions() : mHaveTextureExternal(false), mHaveNpot(false), mHaveDirectTexture(false) { } void GLExtensions::initWithGLStrings( GLubyte const* vendor, GLubyte const* renderer, GLubyte const* version, GLubyte const* extensions, char const* egl_vendor, char const* egl_version, char const* egl_extensions) { mVendor = (char const*)vendor; mRenderer = (char const*)renderer; mVersion = (char const*)version; mExtensions = (char const*)extensions; mEglVendor = egl_vendor; mEglVersion = egl_version; mEglExtensions = egl_extensions; char const* curr = (char const*)extensions; char const* head = curr; do { head = strchr(curr, ' '); String8 s(curr, head ? head-curr : strlen(curr)); if (s.length()) { mExtensionList.add(s); } curr = head+1; } while (head); curr = egl_extensions; head = curr; do { head = strchr(curr, ' '); String8 s(curr, head ? head-curr : strlen(curr)); if (s.length()) { mExtensionList.add(s); } curr = head+1; } while (head); #ifdef EGL_ANDROID_image_native_buffer if (hasExtension("GL_OES_EGL_image") && (hasExtension("EGL_KHR_image_base") || hasExtension("EGL_KHR_image")) && hasExtension("EGL_ANDROID_image_native_buffer")) { mHaveDirectTexture = true; } #else #warning "EGL_ANDROID_image_native_buffer not supported" #endif if (hasExtension("GL_ARB_texture_non_power_of_two")) { mHaveNpot = true; } if (hasExtension("GL_OES_EGL_image_external")) { mHaveTextureExternal = true; } else if (strstr(mRenderer.string(), "Adreno")) { // hack for Adreno 200 mHaveTextureExternal = true; } if (hasExtension("GL_OES_framebuffer_object")) { mHaveFramebufferObject = true; } } bool GLExtensions::hasExtension(char const* extension) const { const String8 s(extension); return mExtensionList.indexOf(s) >= 0; } char const* GLExtensions::getVendor() const { return mVendor.string(); } char const* GLExtensions::getRenderer() const { return mRenderer.string(); } char const* GLExtensions::getVersion() const { return mVersion.string(); } char const* GLExtensions::getExtension() const { return mExtensions.string(); } char const* GLExtensions::getEglVendor() const { return mEglVendor.string(); } char const* GLExtensions::getEglVersion() const { return mEglVersion.string(); } char const* GLExtensions::getEglExtension() const { return mEglExtensions.string(); } // --------------------------------------------------------------------------- }; // namespace android