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#include <stdlib.h>
#include <stdio.h>
#include <EGL/egl.h>
#include <GLES/gl.h>
#include <GLES/glext.h>
#include <WindowSurface.h>
#include <EGLUtils.h>
using namespace android;
#define USE_DRAW_TEXTURE 1
int main(int argc, char** argv)
{
if (argc!=2 && argc!=3) {
printf("usage: %s <0-6> [pbuffer]\n", argv[0]);
return 0;
}
const int test = atoi(argv[1]);
int usePbuffer = argc==3 && !strcmp(argv[2], "pbuffer");
EGLint s_configAttribs[] = {
EGL_SURFACE_TYPE, EGL_PBUFFER_BIT|EGL_WINDOW_BIT,
EGL_RED_SIZE, 5,
EGL_GREEN_SIZE, 6,
EGL_BLUE_SIZE, 5,
EGL_NONE
};
EGLint numConfigs = -1;
EGLint majorVersion;
EGLint minorVersion;
EGLConfig config;
EGLContext context;
EGLSurface surface;
EGLint w, h;
EGLDisplay dpy;
EGLNativeWindowType window = 0;
WindowSurface* windowSurface = NULL;
if (!usePbuffer) {
windowSurface = new WindowSurface();
window = windowSurface->getSurface();
}
dpy = eglGetDisplay(EGL_DEFAULT_DISPLAY);
eglInitialize(dpy, &majorVersion, &minorVersion);
if (!usePbuffer) {
EGLUtils::selectConfigForNativeWindow(
dpy, s_configAttribs, window, &config);
surface = eglCreateWindowSurface(dpy, config, window, NULL);
} else {
printf("using pbuffer\n");
eglChooseConfig(dpy, s_configAttribs, &config, 1, &numConfigs);
EGLint attribs[] = { EGL_WIDTH, 320, EGL_HEIGHT, 480, EGL_NONE };
surface = eglCreatePbufferSurface(dpy, config, attribs);
if (surface == EGL_NO_SURFACE) {
printf("eglCreatePbufferSurface error %x\n", eglGetError());
}
}
context = eglCreateContext(dpy, config, NULL, NULL);
eglMakeCurrent(dpy, surface, surface, context);
eglQuerySurface(dpy, surface, EGL_WIDTH, &w);
eglQuerySurface(dpy, surface, EGL_HEIGHT, &h);
GLint dim = w<h ? w : h;
glViewport(0, 0, w, h);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrthof(0, w, 0, h, 0, 1);
glClearColor(0,0,0,0);
glClear(GL_COLOR_BUFFER_BIT);
GLint crop[4] = { 0, 4, 4, -4 };
glBindTexture(GL_TEXTURE_2D, 0);
glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop);
glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
glEnable(GL_TEXTURE_2D);
glColor4f(1,1,1,1);
// packing is always 4
uint8_t t8[] = {
0x00, 0x55, 0x00, 0x55,
0xAA, 0xFF, 0xAA, 0xFF,
0x00, 0x55, 0x00, 0x55,
0xAA, 0xFF, 0xAA, 0xFF };
uint16_t t16[] = {
0x0000, 0x5555, 0x0000, 0x5555,
0xAAAA, 0xFFFF, 0xAAAA, 0xFFFF,
0x0000, 0x5555, 0x0000, 0x5555,
0xAAAA, 0xFFFF, 0xAAAA, 0xFFFF };
uint16_t t5551[] = {
0x0000, 0xFFFF, 0x0000, 0xFFFF,
0xFFFF, 0x0000, 0xFFFF, 0x0000,
0x0000, 0xFFFF, 0x0000, 0xFFFF,
0xFFFF, 0x0000, 0xFFFF, 0x0000 };
uint32_t t32[] = {
0xFF000000, 0xFF0000FF, 0xFF00FF00, 0xFFFF0000,
0xFF00FF00, 0xFFFF0000, 0xFF000000, 0xFF0000FF,
0xFF00FFFF, 0xFF00FF00, 0x00FF00FF, 0xFFFFFF00,
0xFF000000, 0xFFFF00FF, 0xFF00FFFF, 0xFFFFFFFF
};
switch(test)
{
case 1:
glTexImage2D(GL_TEXTURE_2D, 0, GL_LUMINANCE,
4, 4, 0, GL_LUMINANCE, GL_UNSIGNED_BYTE, t8);
break;
case 2:
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB,
4, 4, 0, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, t16);
break;
case 3:
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA,
4, 4, 0, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, t16);
break;
case 4:
glTexImage2D(GL_TEXTURE_2D, 0, GL_LUMINANCE_ALPHA,
4, 4, 0, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE, t16);
break;
case 5:
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA,
4, 4, 0, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1, t5551);
break;
case 6:
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA,
4, 4, 0, GL_RGBA, GL_UNSIGNED_BYTE, t32);
break;
}
//glDrawTexiOES(0, 0, 0, dim, dim);
const GLfloat vertices[4][2] = {
{ 0, 0 },
{ 0, dim },
{ dim, dim },
{ dim, 0 }
};
const GLfloat texCoords[4][2] = {
{ 0, 0 },
{ 0, 1 },
{ 1, 1 },
{ 1, 0 }
};
if (!usePbuffer) {
eglSwapBuffers(dpy, surface);
}
glMatrixMode(GL_MODELVIEW);
glScissor(0,dim,dim,h-dim);
glDisable(GL_SCISSOR_TEST);
for (int y=0 ; y<dim ; y++) {
//glDisable(GL_SCISSOR_TEST);
glClear(GL_COLOR_BUFFER_BIT);
//glEnable(GL_SCISSOR_TEST);
#if USE_DRAW_TEXTURE && GL_OES_draw_texture
glDrawTexiOES(0, y, 1, dim, dim);
#else
glLoadIdentity();
glTranslatef(0, y, 0);
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
glVertexPointer(2, GL_FLOAT, 0, vertices);
glTexCoordPointer(2, GL_FLOAT, 0, texCoords);
glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
#endif
if (!usePbuffer) {
eglSwapBuffers(dpy, surface);
} else {
glFinish();
}
}
eglTerminate(dpy);
delete windowSurface;
return 0;
}
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