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/*
**
** 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 <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>
using namespace android;
int main(int argc, char** argv)
{
EGLint configAttribs[] = {
EGL_DEPTH_SIZE, 0,
EGL_NONE
};
EGLint numConfigs = -1, n=0;
EGLint majorVersion;
EGLint minorVersion;
EGLConfig config;
EGLContext context;
EGLSurface surface;
EGLint w, h;
EGLDisplay dpy;
dpy = eglGetDisplay(EGL_DEFAULT_DISPLAY);
eglInitialize(dpy, &majorVersion, &minorVersion);
// Get all the "potential match" configs...
eglGetConfigs(dpy, NULL, 0, &numConfigs);
EGLConfig* const configs = (EGLConfig*)malloc(sizeof(EGLConfig)*numConfigs);
eglChooseConfig(dpy, configAttribs, configs, numConfigs, &n);
config = configs[0];
if (n > 1) {
// if there is more than one candidate, go through the list
// and pick one that matches our framebuffer format
int fbSzA = 0; // should not hardcode
int fbSzR = 5; // should not hardcode
int fbSzG = 6; // should not hardcode
int fbSzB = 5; // should not hardcode
int i;
for (i=0 ; i<n ; i++) {
EGLint r,g,b,a;
eglGetConfigAttrib(dpy, configs[i], EGL_RED_SIZE, &r);
eglGetConfigAttrib(dpy, configs[i], EGL_GREEN_SIZE, &g);
eglGetConfigAttrib(dpy, configs[i], EGL_BLUE_SIZE, &b);
eglGetConfigAttrib(dpy, configs[i], EGL_ALPHA_SIZE, &a);
if (fbSzA == a && fbSzR == r && fbSzG == g && fbSzB == b) {
config = configs[i];
break;
}
}
}
free(configs);
surface = eglCreateWindowSurface(dpy, config,
android_createDisplaySurface(), 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_LINEAR);
glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
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);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glDisable(GL_DITHER);
glDisable(GL_BLEND);
glEnable(GL_TEXTURE_2D);
glColor4f(1,1,1,1);
uint32_t* t32 = (uint32_t*)malloc(512*512*4);
for (int y=0 ; y<512 ; y++) {
for (int x=0 ; x<512 ; x++) {
t32[x+y*512] = 0x10FFFFFF;
}
}
const GLfloat vertices[4][2] = {
{ 0, 0 },
{ 0, h },
{ w, h },
{ w, 0 }
};
const GLfloat texCoords[4][2] = {
{ 0, 0 },
{ 0, 1 },
{ 1, 1 },
{ 1, 0 }
};
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 512, 512, 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_FIXED, 0, vertices);
glTexCoordPointer(2, GL_FLOAT, 0, texCoords);
glClearColor(1,0,0,0);
glClear(GL_COLOR_BUFFER_BIT);
glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
eglSwapBuffers(dpy, surface);
for (int c=1 ; c<32 ; c++) {
glClear(GL_COLOR_BUFFER_BIT);
nsecs_t now = systemTime();
for (int i=0 ; i<c ; i++) {
glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
}
eglSwapBuffers(dpy, surface);
nsecs_t t = systemTime() - now;
printf("%lld\t%d\t%f\n", t, c, (double(t)/c)/1000000.0);
}
return 0;
}
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