225 lines
7.2 KiB
C
225 lines
7.2 KiB
C
/*
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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 <GLES/gl.h>
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#include <GLES/glext.h>
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long long systemTime()
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{
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struct timespec t;
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t.tv_sec = t.tv_nsec = 0;
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clock_gettime(CLOCK_MONOTONIC, &t);
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return (long long)(t.tv_sec)*1000000000LL + t.tv_nsec;
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}
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int main(int argc, char** argv)
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{
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EGLint s_configAttribs[] = {
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EGL_RED_SIZE, 5,
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EGL_GREEN_SIZE, 6,
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EGL_BLUE_SIZE, 5,
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EGL_NONE
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};
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EGLint numConfigs = -1;
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EGLint majorVersion;
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EGLint minorVersion;
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EGLConfig config;
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EGLContext context;
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EGLSurface surface;
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EGLint w, h;
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EGLDisplay dpy;
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dpy = eglGetDisplay(EGL_DEFAULT_DISPLAY);
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eglInitialize(dpy, &majorVersion, &minorVersion);
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eglChooseConfig(dpy, s_configAttribs, &config, 1, &numConfigs);
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surface = eglCreateWindowSurface(dpy, config,
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android_createDisplaySurface(), 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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GLint dim = w<h ? w : h;
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glBindTexture(GL_TEXTURE_2D, 0);
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glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
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glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
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glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
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glEnable(GL_TEXTURE_2D);
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glColor4f(1,1,1,1);
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glDisable(GL_DITHER);
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glShadeModel(GL_FLAT);
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long long now, t;
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int i;
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char* texels = malloc(512*512*2);
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memset(texels,0xFF,512*512*2);
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glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB,
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512, 512, 0, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, texels);
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char* dst = malloc(320*480*2);
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memset(dst, 0, 320*480*2);
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printf("307200 bytes memcpy\n");
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for (i=0 ; i<4 ; i++) {
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now = systemTime();
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memcpy(dst, texels, 320*480*2);
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t = systemTime();
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printf("memcpy() time = %llu us\n", (t-now)/1000);
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fflush(stdout);
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}
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free(dst);
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free(texels);
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setpriority(PRIO_PROCESS, 0, -20);
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printf("512x512 unmodified texture, 512x512 blit:\n");
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glClear(GL_COLOR_BUFFER_BIT);
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for (i=0 ; i<4 ; i++) {
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GLint crop[4] = { 0, 512, 512, -512 };
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glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop);
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now = systemTime();
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glDrawTexiOES(0, 0, 0, 512, 512);
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glFinish();
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t = systemTime();
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printf("glFinish() time = %llu us\n", (t-now)/1000);
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fflush(stdout);
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eglSwapBuffers(dpy, surface);
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}
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printf("512x512 unmodified texture, 1x1 blit:\n");
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glClear(GL_COLOR_BUFFER_BIT);
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for (i=0 ; i<4 ; i++) {
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GLint crop[4] = { 0, 1, 1, -1 };
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glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop);
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now = systemTime();
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glDrawTexiOES(0, 0, 0, 1, 1);
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glFinish();
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t = systemTime();
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printf("glFinish() time = %llu us\n", (t-now)/1000);
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fflush(stdout);
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eglSwapBuffers(dpy, surface);
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}
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printf("512x512 unmodified texture, 512x512 blit (x2):\n");
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glClear(GL_COLOR_BUFFER_BIT);
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for (i=0 ; i<4 ; i++) {
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GLint crop[4] = { 0, 512, 512, -512 };
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glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop);
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now = systemTime();
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glDrawTexiOES(0, 0, 0, 512, 512);
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glDrawTexiOES(0, 0, 0, 512, 512);
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glFinish();
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t = systemTime();
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printf("glFinish() time = %llu us\n", (t-now)/1000);
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fflush(stdout);
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eglSwapBuffers(dpy, surface);
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}
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printf("512x512 unmodified texture, 1x1 blit (x2):\n");
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glClear(GL_COLOR_BUFFER_BIT);
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for (i=0 ; i<4 ; i++) {
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GLint crop[4] = { 0, 1, 1, -1 };
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glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop);
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now = systemTime();
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glDrawTexiOES(0, 0, 0, 1, 1);
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glDrawTexiOES(0, 0, 0, 1, 1);
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glFinish();
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t = systemTime();
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printf("glFinish() time = %llu us\n", (t-now)/1000);
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fflush(stdout);
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eglSwapBuffers(dpy, surface);
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}
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printf("512x512 (1x1 texel MODIFIED texture), 512x512 blit:\n");
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glClear(GL_COLOR_BUFFER_BIT);
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for (i=0 ; i<4 ; i++) {
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uint16_t green = 0x7E0;
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GLint crop[4] = { 0, 512, 512, -512 };
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glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop);
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glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 1, 1, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, &green);
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now = systemTime();
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glDrawTexiOES(0, 0, 0, 512, 512);
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glFinish();
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t = systemTime();
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printf("glFinish() time = %llu us\n", (t-now)/1000);
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fflush(stdout);
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eglSwapBuffers(dpy, surface);
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}
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int16_t texel = 0xF800;
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glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB,
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1, 1, 0, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, &texel);
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printf("1x1 unmodified texture, 1x1 blit:\n");
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glClear(GL_COLOR_BUFFER_BIT);
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for (i=0 ; i<4 ; i++) {
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GLint crop[4] = { 0, 1, 1, -1 };
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glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop);
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now = systemTime();
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glDrawTexiOES(0, 0, 0, 1, 1);
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glFinish();
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t = systemTime();
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printf("glFinish() time = %llu us\n", (t-now)/1000);
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eglSwapBuffers(dpy, surface);
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}
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printf("1x1 unmodified texture, 512x512 blit:\n");
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glClear(GL_COLOR_BUFFER_BIT);
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for (i=0 ; i<4 ; i++) {
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GLint crop[4] = { 0, 1, 1, -1 };
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glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop);
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now = systemTime();
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glDrawTexiOES(0, 0, 0, 512, 512);
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glFinish();
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t = systemTime();
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printf("glFinish() time = %llu us\n", (t-now)/1000);
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fflush(stdout);
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eglSwapBuffers(dpy, surface);
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}
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printf("1x1 (1x1 texel MODIFIED texture), 512x512 blit:\n");
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glClear(GL_COLOR_BUFFER_BIT);
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for (i=0 ; i<4 ; i++) {
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uint16_t green = 0x7E0;
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GLint crop[4] = { 0, 1, 1, -1 };
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glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop);
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glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 1, 1, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, &green);
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now = systemTime();
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glDrawTexiOES(0, 0, 0, 1, 1);
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glFinish();
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t = systemTime();
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printf("glFinish() time = %llu us\n", (t-now)/1000);
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fflush(stdout);
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eglSwapBuffers(dpy, surface);
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}
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return 0;
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}
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