3bded9177b
Clang compiler gives warning to implicit conversions of literal structure fields, although the compiler generated implicit conversions are what we want in these cases. Change-Id: I8f04e7f2fa1db0ed1d1937135d9091532eec3d5b
118 lines
3.3 KiB
C++
118 lines
3.3 KiB
C++
/*
|
|
**
|
|
** 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.
|
|
*/
|
|
|
|
#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 <WindowSurface.h>
|
|
#include <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;
|
|
|
|
WindowSurface windowSurface;
|
|
EGLNativeWindowType window = windowSurface.getSurface();
|
|
|
|
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_REPEAT);
|
|
glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
|
|
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);
|
|
|
|
|
|
// default pack-alignment is 4
|
|
const uint16_t t16[64] = { 0xFFFF, 0, 0xF800, 0, 0x07E0, 0, 0x001F, 0 };
|
|
|
|
const GLfloat fh = h;
|
|
const GLfloat fw2 = w/2;
|
|
const GLfloat vertices[4][2] = {
|
|
{ fw2, 0 },
|
|
{ fw2, fh }
|
|
};
|
|
|
|
const GLfloat texCoords[4][2] = {
|
|
{ 0, 0 },
|
|
{ 1, 1 }
|
|
};
|
|
|
|
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 1, 4, 0, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, t16);
|
|
|
|
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;
|
|
}
|