162 lines
4.4 KiB
C++
162 lines
4.4 KiB
C++
/*
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**
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** Copyright 2006, 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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#define LOG_TAG "fillrate"
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#include <stdlib.h>
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#include <stdio.h>
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#include <EGL/egl.h>
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#include <GLES/gl.h>
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#include <GLES/glext.h>
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#include <utils/StopWatch.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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int main(int argc, char** argv)
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{
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EGLint configAttribs[] = {
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EGL_DEPTH_SIZE, 0,
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EGL_NONE
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};
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EGLint majorVersion;
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EGLint minorVersion;
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EGLContext context;
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EGLConfig config;
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EGLSurface surface;
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EGLint w, h;
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EGLDisplay dpy;
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EGLNativeWindowType window = android_createDisplaySurface();
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dpy = eglGetDisplay(EGL_DEFAULT_DISPLAY);
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eglInitialize(dpy, &majorVersion, &minorVersion);
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status_t err = EGLUtils::selectConfigForNativeWindow(
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dpy, configAttribs, window, &config);
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if (err) {
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fprintf(stderr, "couldn't find an EGLConfig matching the screen format\n");
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return 0;
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}
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surface = eglCreateWindowSurface(dpy, config, window, NULL);
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context = eglCreateContext(dpy, config, NULL, NULL);
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eglMakeCurrent(dpy, surface, surface, context);
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eglQuerySurface(dpy, surface, EGL_WIDTH, &w);
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eglQuerySurface(dpy, surface, EGL_HEIGHT, &h);
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printf("w=%d, h=%d\n", w, h);
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glBindTexture(GL_TEXTURE_2D, 0);
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glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
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glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
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glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
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glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
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glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
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glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
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glDisable(GL_DITHER);
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glEnable(GL_BLEND);
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glEnable(GL_TEXTURE_2D);
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glColor4f(1,1,1,1);
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uint32_t* t32 = (uint32_t*)malloc(512*512*4);
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for (int y=0 ; y<512 ; y++) {
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for (int x=0 ; x<512 ; x++) {
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int u = x-256;
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int v = y-256;
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if (u*u+v*v < 256*256) {
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t32[x+y*512] = 0x10FFFFFF;
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} else {
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t32[x+y*512] = 0x20FF0000;
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}
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}
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}
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const GLfloat vertices[4][2] = {
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{ 0, 0 },
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{ 0, h },
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{ w, h },
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{ w, 0 }
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};
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const GLfloat texCoords[4][2] = {
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{ 0, 0 },
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{ 0, 1 },
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{ 1, 1 },
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{ 1, 0 }
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};
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glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 512, 512, 0, GL_RGBA, GL_UNSIGNED_BYTE, t32);
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glViewport(0, 0, w, h);
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glMatrixMode(GL_PROJECTION);
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glLoadIdentity();
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glOrthof(0, w, 0, h, 0, 1);
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glEnableClientState(GL_VERTEX_ARRAY);
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glEnableClientState(GL_TEXTURE_COORD_ARRAY);
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glVertexPointer(2, GL_FLOAT, 0, vertices);
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glTexCoordPointer(2, GL_FLOAT, 0, texCoords);
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eglSwapInterval(dpy, 1);
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glClearColor(1,0,0,0);
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glClear(GL_COLOR_BUFFER_BIT);
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glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
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eglSwapBuffers(dpy, surface);
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nsecs_t times[32];
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for (int c=1 ; c<32 ; c++) {
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glClear(GL_COLOR_BUFFER_BIT);
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for (int i=0 ; i<c ; i++) {
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glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
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}
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eglSwapBuffers(dpy, surface);
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}
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// for (int c=31 ; c>=1 ; c--) {
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int j=0;
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for (int c=1 ; c<32 ; c++) {
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glClear(GL_COLOR_BUFFER_BIT);
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nsecs_t now = systemTime();
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for (int i=0 ; i<c ; i++) {
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glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
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}
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eglSwapBuffers(dpy, surface);
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nsecs_t t = systemTime() - now;
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times[j++] = t;
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}
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for (int c=1, j=0 ; c<32 ; c++, j++) {
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nsecs_t t = times[j];
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printf("%lld\t%d\t%f\n", t, c, (double(t)/c)/1000000.0);
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}
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eglTerminate(dpy);
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return 0;
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}
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