Merge "Add new OpenGL test"
This commit is contained in:
Romain Guy
Android (Google) Code Review
commit
c40bafd21e
19
opengl/tests/gl2_copyTexImage/Android.mk
Normal file
19
opengl/tests/gl2_copyTexImage/Android.mk
Normal file
@ -0,0 +1,19 @@
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LOCAL_PATH:= $(call my-dir)
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include $(CLEAR_VARS)
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LOCAL_SRC_FILES:= \
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gl2_copyTexImage.cpp
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LOCAL_SHARED_LIBRARIES := \
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libcutils \
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libEGL \
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libGLESv2 \
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libui
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LOCAL_MODULE:= test-opengl-gl2_copyTexImage
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LOCAL_MODULE_TAGS := optional
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LOCAL_CFLAGS := -DGL_GLEXT_PROTOTYPES
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include $(BUILD_EXECUTABLE)
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467
opengl/tests/gl2_copyTexImage/gl2_copyTexImage.cpp
Normal file
467
opengl/tests/gl2_copyTexImage/gl2_copyTexImage.cpp
Normal file
@ -0,0 +1,467 @@
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/*
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* Copyright (C) 2007 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <time.h>
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#include <sched.h>
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#include <sys/resource.h>
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#include <EGL/egl.h>
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#include <GLES2/gl2.h>
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#include <GLES2/gl2ext.h>
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#include <utils/Timers.h>
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#include <ui/FramebufferNativeWindow.h>
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#include <ui/EGLUtils.h>
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using namespace android;
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static void printGLString(const char *name, GLenum s) {
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// fprintf(stderr, "printGLString %s, %d\n", name, s);
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const char *v = (const char *) glGetString(s);
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// int error = glGetError();
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// fprintf(stderr, "glGetError() = %d, result of glGetString = %x\n", error,
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// (unsigned int) v);
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// if ((v < (const char*) 0) || (v > (const char*) 0x10000))
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// fprintf(stderr, "GL %s = %s\n", name, v);
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// else
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// fprintf(stderr, "GL %s = (null) 0x%08x\n", name, (unsigned int) v);
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fprintf(stderr, "GL %s = %s\n", name, v);
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}
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static void checkEglError(const char* op, EGLBoolean returnVal = EGL_TRUE) {
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if (returnVal != EGL_TRUE) {
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fprintf(stderr, "%s() returned %d\n", op, returnVal);
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}
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for (EGLint error = eglGetError(); error != EGL_SUCCESS; error
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= eglGetError()) {
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fprintf(stderr, "after %s() eglError %s (0x%x)\n", op, EGLUtils::strerror(error),
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error);
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}
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}
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static void checkGlError(const char* op) {
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for (GLint error = glGetError(); error; error
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= glGetError()) {
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fprintf(stderr, "after %s() glError (0x%x)\n", op, error);
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}
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}
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static const char gVertexShader[] = "attribute vec4 vPosition;\n"
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"void main() {\n"
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" gl_Position = vPosition;\n"
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"}\n";
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static const char gFragmentShader[] = "precision mediump float;\n"
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"void main() {\n"
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" gl_FragColor = vec4(0.0, 1.0, 0.0, 0.5);\n"
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"}\n";
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GLuint loadShader(GLenum shaderType, const char* pSource) {
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GLuint shader = glCreateShader(shaderType);
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if (shader) {
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glShaderSource(shader, 1, &pSource, NULL);
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glCompileShader(shader);
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GLint compiled = 0;
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glGetShaderiv(shader, GL_COMPILE_STATUS, &compiled);
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if (!compiled) {
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GLint infoLen = 0;
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glGetShaderiv(shader, GL_INFO_LOG_LENGTH, &infoLen);
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if (infoLen) {
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char* buf = (char*) malloc(infoLen);
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if (buf) {
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glGetShaderInfoLog(shader, infoLen, NULL, buf);
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fprintf(stderr, "Could not compile shader %d:\n%s\n",
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shaderType, buf);
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free(buf);
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}
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glDeleteShader(shader);
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shader = 0;
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}
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}
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}
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return shader;
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}
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GLuint createProgram(const char* pVertexSource, const char* pFragmentSource) {
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GLuint vertexShader = loadShader(GL_VERTEX_SHADER, pVertexSource);
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if (!vertexShader) {
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return 0;
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}
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GLuint pixelShader = loadShader(GL_FRAGMENT_SHADER, pFragmentSource);
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if (!pixelShader) {
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return 0;
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}
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GLuint program = glCreateProgram();
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if (program) {
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glAttachShader(program, vertexShader);
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checkGlError("glAttachShader");
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glAttachShader(program, pixelShader);
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checkGlError("glAttachShader");
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glLinkProgram(program);
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GLint linkStatus = GL_FALSE;
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glGetProgramiv(program, GL_LINK_STATUS, &linkStatus);
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if (linkStatus != GL_TRUE) {
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GLint bufLength = 0;
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glGetProgramiv(program, GL_INFO_LOG_LENGTH, &bufLength);
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if (bufLength) {
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char* buf = (char*) malloc(bufLength);
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if (buf) {
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glGetProgramInfoLog(program, bufLength, NULL, buf);
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fprintf(stderr, "Could not link program:\n%s\n", buf);
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free(buf);
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}
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}
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glDeleteProgram(program);
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program = 0;
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}
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}
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return program;
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}
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GLuint gProgram;
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GLuint gTextureProgram;
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GLuint gvPositionHandle;
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GLuint gvTexturePositionHandle;
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GLuint gvTextureTexCoordsHandle;
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GLuint gvTextureSamplerHandle;
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GLuint gFbo;
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GLuint gTexture;
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GLuint gBufferTexture;
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static const char gSimpleVS[] =
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"attribute vec4 position;\n"
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"attribute vec2 texCoords;\n"
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"varying vec2 outTexCoords;\n"
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"\nvoid main(void) {\n"
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" outTexCoords = texCoords;\n"
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" gl_Position = position;\n"
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"}\n\n";
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static const char gSimpleFS[] =
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"precision mediump float;\n\n"
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"varying vec2 outTexCoords;\n"
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"uniform sampler2D texture;\n"
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"\nvoid main(void) {\n"
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" gl_FragColor = texture2D(texture, outTexCoords);\n"
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"}\n\n";
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bool setupGraphics(int w, int h) {
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gProgram = createProgram(gVertexShader, gFragmentShader);
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if (!gProgram) {
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return false;
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}
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gvPositionHandle = glGetAttribLocation(gProgram, "vPosition");
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checkGlError("glGetAttribLocation");
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fprintf(stderr, "glGetAttribLocation(\"vPosition\") = %d\n", gvPositionHandle);
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gTextureProgram = createProgram(gSimpleVS, gSimpleFS);
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if (!gTextureProgram) {
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return false;
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}
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gvTexturePositionHandle = glGetAttribLocation(gTextureProgram, "position");
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checkGlError("glGetAttribLocation");
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gvTextureTexCoordsHandle = glGetAttribLocation(gTextureProgram, "texCoords");
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checkGlError("glGetAttribLocation");
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gvTextureSamplerHandle = glGetUniformLocation(gTextureProgram, "texture");
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checkGlError("glGetAttribLocation");
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glActiveTexture(GL_TEXTURE0);
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glGenTextures(1, &gTexture);
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glBindTexture(GL_TEXTURE_2D, gTexture);
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glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
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glGenTextures(1, &gBufferTexture);
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glBindTexture(GL_TEXTURE_2D, gBufferTexture);
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glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
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glGenFramebuffers(1, &gFbo);
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glBindFramebuffer(GL_FRAMEBUFFER, gFbo);
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glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, gTexture, 0);
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glBindFramebuffer(GL_FRAMEBUFFER, 0);
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glViewport(0, 0, w, h);
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checkGlError("glViewport");
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return true;
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}
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const GLfloat gTriangleVertices[] = { 0.0f, 0.5f, -0.5f, -0.5f,
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0.5f, -0.5f };
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const GLint FLOAT_SIZE_BYTES = 4;
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const GLint TRIANGLE_VERTICES_DATA_STRIDE_BYTES = 5 * FLOAT_SIZE_BYTES;
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const GLfloat gTriangleVerticesData[] = {
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// X, Y, Z, U, V
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-1.0f, -1.0f, 0, 0.f, 0.f,
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1.0f, -1.0f, 0, 1.f, 0.f,
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-1.0f, 1.0f, 0, 0.f, 1.f,
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1.0f, 1.0f, 0, 1.f, 1.f,
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};
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void renderFrame(GLint w, GLint h) {
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glClearColor(1.0f, 0.0f, 0.0f, 1.0f);
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checkGlError("glClearColor");
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glClear(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT);
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checkGlError("glClear");
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// Bind FBO and draw into it
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glBindFramebuffer(GL_FRAMEBUFFER, gFbo);
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checkGlError("glBindFramebuffer");
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glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
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checkGlError("glClearColor");
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glClear(GL_COLOR_BUFFER_BIT);
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checkGlError("glClear");
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glUseProgram(gProgram);
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checkGlError("glUseProgram");
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glVertexAttribPointer(gvPositionHandle, 2, GL_FLOAT, GL_FALSE, 0, gTriangleVertices);
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checkGlError("glVertexAttribPointer");
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glEnableVertexAttribArray(gvPositionHandle);
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checkGlError("glEnableVertexAttribArray");
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glDrawArrays(GL_TRIANGLES, 0, 3);
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checkGlError("glDrawArrays");
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// Copy content of FBO into a texture
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glBindTexture(GL_TEXTURE_2D, gBufferTexture);
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glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, w / 2, h / 2);
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checkGlError("glCopyTexSubImage2D");
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// Back to the display
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glBindFramebuffer(GL_FRAMEBUFFER, 0);
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checkGlError("glBindFramebuffer");
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// Draw copied content on the screen
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glUseProgram(gTextureProgram);
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checkGlError("glUseProgram");
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glEnable(GL_BLEND);
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glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
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glVertexAttribPointer(gvTexturePositionHandle, 3, GL_FLOAT, GL_FALSE,
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TRIANGLE_VERTICES_DATA_STRIDE_BYTES, gTriangleVerticesData);
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checkGlError("glVertexAttribPointer");
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glVertexAttribPointer(gvTextureTexCoordsHandle, 2, GL_FLOAT, GL_FALSE,
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TRIANGLE_VERTICES_DATA_STRIDE_BYTES, &gTriangleVerticesData[3]);
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checkGlError("glVertexAttribPointer");
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glEnableVertexAttribArray(gvTexturePositionHandle);
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glEnableVertexAttribArray(gvTextureTexCoordsHandle);
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checkGlError("glEnableVertexAttribArray");
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glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
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checkGlError("glDrawArrays");
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}
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void printEGLConfiguration(EGLDisplay dpy, EGLConfig config) {
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#define X(VAL) {VAL, #VAL}
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struct {EGLint attribute; const char* name;} names[] = {
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X(EGL_BUFFER_SIZE),
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X(EGL_ALPHA_SIZE),
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X(EGL_BLUE_SIZE),
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X(EGL_GREEN_SIZE),
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X(EGL_RED_SIZE),
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X(EGL_DEPTH_SIZE),
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X(EGL_STENCIL_SIZE),
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X(EGL_CONFIG_CAVEAT),
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X(EGL_CONFIG_ID),
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X(EGL_LEVEL),
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X(EGL_MAX_PBUFFER_HEIGHT),
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X(EGL_MAX_PBUFFER_PIXELS),
|
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X(EGL_MAX_PBUFFER_WIDTH),
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X(EGL_NATIVE_RENDERABLE),
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X(EGL_NATIVE_VISUAL_ID),
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X(EGL_NATIVE_VISUAL_TYPE),
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X(EGL_SAMPLES),
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X(EGL_SAMPLE_BUFFERS),
|
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X(EGL_SURFACE_TYPE),
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X(EGL_TRANSPARENT_TYPE),
|
||||
X(EGL_TRANSPARENT_RED_VALUE),
|
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X(EGL_TRANSPARENT_GREEN_VALUE),
|
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X(EGL_TRANSPARENT_BLUE_VALUE),
|
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X(EGL_BIND_TO_TEXTURE_RGB),
|
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X(EGL_BIND_TO_TEXTURE_RGBA),
|
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X(EGL_MIN_SWAP_INTERVAL),
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X(EGL_MAX_SWAP_INTERVAL),
|
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X(EGL_LUMINANCE_SIZE),
|
||||
X(EGL_ALPHA_MASK_SIZE),
|
||||
X(EGL_COLOR_BUFFER_TYPE),
|
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X(EGL_RENDERABLE_TYPE),
|
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X(EGL_CONFORMANT),
|
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};
|
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#undef X
|
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|
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for (size_t j = 0; j < sizeof(names) / sizeof(names[0]); j++) {
|
||||
EGLint value = -1;
|
||||
EGLint returnVal = eglGetConfigAttrib(dpy, config, names[j].attribute, &value);
|
||||
EGLint error = eglGetError();
|
||||
if (returnVal && error == EGL_SUCCESS) {
|
||||
printf(" %s: ", names[j].name);
|
||||
printf("%d (0x%x)", value, value);
|
||||
}
|
||||
}
|
||||
printf("\n");
|
||||
}
|
||||
|
||||
int printEGLConfigurations(EGLDisplay dpy) {
|
||||
EGLint numConfig = 0;
|
||||
EGLint returnVal = eglGetConfigs(dpy, NULL, 0, &numConfig);
|
||||
checkEglError("eglGetConfigs", returnVal);
|
||||
if (!returnVal) {
|
||||
return false;
|
||||
}
|
||||
|
||||
printf("Number of EGL configuration: %d\n", numConfig);
|
||||
|
||||
EGLConfig* configs = (EGLConfig*) malloc(sizeof(EGLConfig) * numConfig);
|
||||
if (! configs) {
|
||||
printf("Could not allocate configs.\n");
|
||||
return false;
|
||||
}
|
||||
|
||||
returnVal = eglGetConfigs(dpy, configs, numConfig, &numConfig);
|
||||
checkEglError("eglGetConfigs", returnVal);
|
||||
if (!returnVal) {
|
||||
free(configs);
|
||||
return false;
|
||||
}
|
||||
|
||||
for(int i = 0; i < numConfig; i++) {
|
||||
printf("Configuration %d\n", i);
|
||||
printEGLConfiguration(dpy, configs[i]);
|
||||
}
|
||||
|
||||
free(configs);
|
||||
return true;
|
||||
}
|
||||
|
||||
int main(int argc, char** argv) {
|
||||
EGLBoolean returnValue;
|
||||
EGLConfig myConfig = {0};
|
||||
|
||||
EGLint context_attribs[] = { EGL_CONTEXT_CLIENT_VERSION, 2, EGL_NONE };
|
||||
EGLint s_configAttribs[] = {
|
||||
EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
|
||||
EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
|
||||
EGL_RED_SIZE, 8,
|
||||
EGL_GREEN_SIZE, 8,
|
||||
EGL_BLUE_SIZE, 8,
|
||||
EGL_ALPHA_SIZE, 8,
|
||||
EGL_NONE };
|
||||
EGLint majorVersion;
|
||||
EGLint minorVersion;
|
||||
EGLContext context;
|
||||
EGLSurface surface;
|
||||
EGLint w, h;
|
||||
|
||||
EGLDisplay dpy;
|
||||
|
||||
checkEglError("<init>");
|
||||
dpy = eglGetDisplay(EGL_DEFAULT_DISPLAY);
|
||||
checkEglError("eglGetDisplay");
|
||||
if (dpy == EGL_NO_DISPLAY) {
|
||||
printf("eglGetDisplay returned EGL_NO_DISPLAY.\n");
|
||||
return 0;
|
||||
}
|
||||
|
||||
returnValue = eglInitialize(dpy, &majorVersion, &minorVersion);
|
||||
checkEglError("eglInitialize", returnValue);
|
||||
fprintf(stderr, "EGL version %d.%d\n", majorVersion, minorVersion);
|
||||
if (returnValue != EGL_TRUE) {
|
||||
printf("eglInitialize failed\n");
|
||||
return 0;
|
||||
}
|
||||
|
||||
if (!printEGLConfigurations(dpy)) {
|
||||
printf("printEGLConfigurations failed\n");
|
||||
return 0;
|
||||
}
|
||||
|
||||
checkEglError("printEGLConfigurations");
|
||||
|
||||
EGLNativeWindowType window = android_createDisplaySurface();
|
||||
EGLint numConfigs = -1, n = 0;
|
||||
eglChooseConfig(dpy, s_configAttribs, 0, 0, &numConfigs);
|
||||
if (numConfigs) {
|
||||
EGLConfig* const configs = new EGLConfig[numConfigs];
|
||||
eglChooseConfig(dpy, s_configAttribs, configs, numConfigs, &n);
|
||||
myConfig = configs[0];
|
||||
delete[] configs;
|
||||
}
|
||||
|
||||
checkEglError("EGLUtils::selectConfigForNativeWindow");
|
||||
|
||||
printf("Chose this configuration:\n");
|
||||
printEGLConfiguration(dpy, myConfig);
|
||||
|
||||
surface = eglCreateWindowSurface(dpy, myConfig, window, NULL);
|
||||
checkEglError("eglCreateWindowSurface");
|
||||
if (surface == EGL_NO_SURFACE) {
|
||||
printf("gelCreateWindowSurface failed.\n");
|
||||
return 0;
|
||||
}
|
||||
|
||||
context = eglCreateContext(dpy, myConfig, EGL_NO_CONTEXT, context_attribs);
|
||||
checkEglError("eglCreateContext");
|
||||
if (context == EGL_NO_CONTEXT) {
|
||||
printf("eglCreateContext failed\n");
|
||||
return 0;
|
||||
}
|
||||
returnValue = eglMakeCurrent(dpy, surface, surface, context);
|
||||
checkEglError("eglMakeCurrent", returnValue);
|
||||
if (returnValue != EGL_TRUE) {
|
||||
return 0;
|
||||
}
|
||||
eglQuerySurface(dpy, surface, EGL_WIDTH, &w);
|
||||
checkEglError("eglQuerySurface");
|
||||
eglQuerySurface(dpy, surface, EGL_HEIGHT, &h);
|
||||
checkEglError("eglQuerySurface");
|
||||
GLint dim = w < h ? w : h;
|
||||
|
||||
fprintf(stderr, "Window dimensions: %d x %d\n", w, h);
|
||||
|
||||
printGLString("Version", GL_VERSION);
|
||||
printGLString("Vendor", GL_VENDOR);
|
||||
printGLString("Renderer", GL_RENDERER);
|
||||
printGLString("Extensions", GL_EXTENSIONS);
|
||||
|
||||
if(!setupGraphics(w, h)) {
|
||||
fprintf(stderr, "Could not set up graphics.\n");
|
||||
return 0;
|
||||
}
|
||||
|
||||
for (;;) {
|
||||
renderFrame(w, h);
|
||||
eglSwapBuffers(dpy, surface);
|
||||
checkEglError("eglSwapBuffers");
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user