added GL test for textured lines

LOCAL_PATH:= $(call my-dir)

include $(CLEAR_VARS)

LOCAL_SRC_FILES:= \

	linetex.cpp

LOCAL_SHARED_LIBRARIES := \

	libcutils \

    libEGL \

    libGLESv1_CM \

    libui

LOCAL_MODULE:= test-opengl-linetex

LOCAL_MODULE_TAGS := optional

include $(BUILD_EXECUTABLE)

/*

**

** Copyright 2006, 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.

*/

#define LOG_TAG "fillrate"

#include <unistd.h>

#include <stdlib.h>

#include <stdio.h>

#include <EGL/egl.h>

#include <GLES/gl.h>

#include <GLES/glext.h>

#include <utils/StopWatch.h>

#include <ui/FramebufferNativeWindow.h>

#include <ui/EGLUtils.h>

using namespace android;

int main(int argc, char** argv)

{

    EGLint configAttribs[] = {

         EGL_DEPTH_SIZE, 0,

         EGL_NONE

     };

     EGLint majorVersion;

     EGLint minorVersion;

     EGLContext context;

     EGLConfig config;

     EGLSurface surface;

     EGLint w, h;

     EGLDisplay dpy;

     EGLNativeWindowType window = android_createDisplaySurface();

     dpy = eglGetDisplay(EGL_DEFAULT_DISPLAY);

     eglInitialize(dpy, &majorVersion, &minorVersion);

     status_t err = EGLUtils::selectConfigForNativeWindow(

             dpy, configAttribs, window, &config);

     if (err) {

         fprintf(stderr, "couldn't find an EGLConfig matching the screen format\n");

         return 0;

     }

     surface = eglCreateWindowSurface(dpy, config, window, NULL);

     context = eglCreateContext(dpy, config, NULL, NULL);

     eglMakeCurrent(dpy, surface, surface, context);   

     eglQuerySurface(dpy, surface, EGL_WIDTH, &w);

     eglQuerySurface(dpy, surface, EGL_HEIGHT, &h);

     printf("w=%d, h=%d\n", w, h);

     glBindTexture(GL_TEXTURE_2D, 0);

     glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);

     glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);

     glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);

     glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);

     glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);

     glDisable(GL_DITHER);

     glDisable(GL_BLEND);

     glEnable(GL_TEXTURE_2D);

     glColor4f(1,1,1,1);

     const uint32_t t32[] = {

             0xFFFFFFFF, 0xFF0000FF, 0xFF00FF00, 0xFFFF0000,

             0xFFFFFF00, 0xFFFF00FF, 0xFF00FFFF, 0xFF000000

     };

     const GLfloat vertices[4][2] = {

             { 0,  0 },

             { w,  h }

     };

     const GLfloat texCoords[4][2] = {

             { 0,  0 },

             { 1,  0 }

     };

     glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 8, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE, t32);

     glViewport(0, 0, w, h);

     glMatrixMode(GL_PROJECTION);

     glLoadIdentity();

     glOrthof(0, w, 0, h, 0, 1);

     glEnableClientState(GL_VERTEX_ARRAY);

     glEnableClientState(GL_TEXTURE_COORD_ARRAY);

     glVertexPointer(2, GL_FLOAT, 0, vertices);

     glTexCoordPointer(2, GL_FLOAT, 0, texCoords);

     glClearColor(0,0,0,0);

     glClear(GL_COLOR_BUFFER_BIT);

     glDrawArrays(GL_LINES, 0, 2);

     eglSwapBuffers(dpy, surface);

     usleep(5*1000000);

     eglTerminate(dpy);

     return 0;

}