1edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project/* 2edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project** 3edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project** Copyright 2006, The Android Open Source Project 4edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project** 5edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project** Licensed under the Apache License, Version 2.0 (the "License"); 6edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project** you may not use this file except in compliance with the License. 7edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project** You may obtain a copy of the License at 8edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project** 9edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project** http://www.apache.org/licenses/LICENSE-2.0 10edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project** 11edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project** Unless required by applicable law or agreed to in writing, software 12edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project** distributed under the License is distributed on an "AS IS" BASIS, 13edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project** See the License for the specific language governing permissions and 15edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project** limitations under the License. 16edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project*/ 17edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 18edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <stdlib.h> 19edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <stdio.h> 20edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 21edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <EGL/egl.h> 22edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <GLES/gl.h> 23edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <GLES/glext.h> 24edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 256ef57d7b368ebbac5f2b27c36a9032fee1cda8b1Andy McFadden#include <WindowSurface.h> 266ef57d7b368ebbac5f2b27c36a9032fee1cda8b1Andy McFadden#include <EGLUtils.h> 27653870d5e945ff94ff8136c97db0a016fc119683Mathias Agopian 28653870d5e945ff94ff8136c97db0a016fc119683Mathias Agopianusing namespace android; 29653870d5e945ff94ff8136c97db0a016fc119683Mathias Agopian 30edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectint main(int argc, char** argv) 31edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 32653870d5e945ff94ff8136c97db0a016fc119683Mathias Agopian EGLint configAttribs[] = { 33653870d5e945ff94ff8136c97db0a016fc119683Mathias Agopian EGL_DEPTH_SIZE, 0, 34edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project EGL_NONE 35edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project }; 36edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 37edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project EGLint majorVersion; 38edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project EGLint minorVersion; 39edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project EGLContext context; 40653870d5e945ff94ff8136c97db0a016fc119683Mathias Agopian EGLConfig config; 41edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project EGLSurface surface; 42edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project EGLint w, h; 43edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project EGLDisplay dpy; 44edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 456ef57d7b368ebbac5f2b27c36a9032fee1cda8b1Andy McFadden WindowSurface windowSurface; 466ef57d7b368ebbac5f2b27c36a9032fee1cda8b1Andy McFadden EGLNativeWindowType window = windowSurface.getSurface(); 471d3bcd6e217e7ef177287d06f6fdf6149f453830Mathias Agopian 48edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project dpy = eglGetDisplay(EGL_DEFAULT_DISPLAY); 49edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project eglInitialize(dpy, &majorVersion, &minorVersion); 50653870d5e945ff94ff8136c97db0a016fc119683Mathias Agopian 51653870d5e945ff94ff8136c97db0a016fc119683Mathias Agopian status_t err = EGLUtils::selectConfigForNativeWindow( 52653870d5e945ff94ff8136c97db0a016fc119683Mathias Agopian dpy, configAttribs, window, &config); 53653870d5e945ff94ff8136c97db0a016fc119683Mathias Agopian if (err) { 54653870d5e945ff94ff8136c97db0a016fc119683Mathias Agopian fprintf(stderr, "couldn't find an EGLConfig matching the screen format\n"); 55653870d5e945ff94ff8136c97db0a016fc119683Mathias Agopian return 0; 56591018aaf9e95b9d2f6d9742194e940605b1bffaMathias Agopian } 57653870d5e945ff94ff8136c97db0a016fc119683Mathias Agopian 58653870d5e945ff94ff8136c97db0a016fc119683Mathias Agopian surface = eglCreateWindowSurface(dpy, config, window, NULL); 59edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project context = eglCreateContext(dpy, config, NULL, NULL); 60edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project eglMakeCurrent(dpy, surface, surface, context); 61edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project eglQuerySurface(dpy, surface, EGL_WIDTH, &w); 62edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project eglQuerySurface(dpy, surface, EGL_HEIGHT, &h); 63edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project GLint dim = w<h ? w : h; 64edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 65edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 66edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project GLint crop[4] = { 0, 4, 4, -4 }; 67edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project glBindTexture(GL_TEXTURE_2D, 0); 68edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop); 69edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); 70edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); 71edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); 72edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); 73edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); 74edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project glEnable(GL_TEXTURE_2D); 75edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project glColor4f(1,1,1,1); 76edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 77edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // packing is always 4 78edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project uint8_t t8[] = { 79edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 0x00, 0x55, 0x00, 0x55, 80edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 0xAA, 0xFF, 0xAA, 0xFF, 81edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 0x00, 0x55, 0x00, 0x55, 82edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 0xAA, 0xFF, 0xAA, 0xFF }; 83edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 84edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project uint16_t t16[] = { 85edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 0x0000, 0x5555, 0x0000, 0x5555, 86edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 0xAAAA, 0xFFFF, 0xAAAA, 0xFFFF, 87edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 0x0000, 0x5555, 0x0000, 0x5555, 88edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 0xAAAA, 0xFFFF, 0xAAAA, 0xFFFF }; 89edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 90edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project uint16_t t5551[] = { 91edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 0x0000, 0xFFFF, 0x0000, 0xFFFF, 92edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 0xFFFF, 0x0000, 0xFFFF, 0x0000, 93edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 0x0000, 0xFFFF, 0x0000, 0xFFFF, 94edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 0xFFFF, 0x0000, 0xFFFF, 0x0000 }; 95edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 96edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project uint32_t t32[] = { 97edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 0xFF000000, 0xFF0000FF, 0xFF00FF00, 0xFFFF0000, 98edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 0xFF00FF00, 0xFFFF0000, 0xFF000000, 0xFF0000FF, 99edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 0xFF00FFFF, 0xFF00FF00, 0x00FF00FF, 0xFFFFFF00, 100edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 0xFF000000, 0xFFFF00FF, 0xFF00FFFF, 0xFFFFFFFF 101edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project }; 102edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 103edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 104edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project glClear(GL_COLOR_BUFFER_BIT); 105edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project glTexImage2D(GL_TEXTURE_2D, 0, GL_LUMINANCE, 4, 4, 0, GL_LUMINANCE, GL_UNSIGNED_BYTE, t8); 106edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project glDrawTexiOES(0, 0, 0, dim/2, dim/2); 107edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 108edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 4, 4, 0, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, t16); 109edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project glDrawTexiOES(dim/2, 0, 0, dim/2, dim/2); 110edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 111edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 4, 4, 0, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, t16); 112edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project glDrawTexiOES(0, dim/2, 0, dim/2, dim/2); 113edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 114edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 4, 4, 0, GL_RGBA, GL_UNSIGNED_BYTE, t32); 115edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project glDrawTexiOES(dim/2, dim/2, 0, dim/2, dim/2); 116edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 117edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project eglSwapBuffers(dpy, surface); 1186ef57d7b368ebbac5f2b27c36a9032fee1cda8b1Andy McFadden 1196ef57d7b368ebbac5f2b27c36a9032fee1cda8b1Andy McFadden sleep(2); // so you have a chance to admire it 120edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return 0; 121edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 122