filter.cpp revision a1f6eff297a3e4870e22fdae926648bda3466805 
1#include <stdlib.h>
2#include <stdio.h>
3
4#include <EGL/egl.h>
5#include <GLES/gl.h>
6#include <GLES/glext.h>
7
8#include <ui/FramebufferNativeWindow.h>
9#include <ui/EGLUtils.h>
10
11using namespace android;
12
13int main(int argc, char** argv)
14{
15    if (argc!=2 && argc!=3) {
16        printf("usage: %s <0-6> [pbuffer]\n", argv[0]);
17        return 0;
18    }
19
20    const int test = atoi(argv[1]);
21    int usePbuffer = argc==3 && !strcmp(argv[2], "pbuffer");
22    EGLint s_configAttribs[] = {
23         EGL_SURFACE_TYPE, EGL_PBUFFER_BIT|EGL_WINDOW_BIT,
24         EGL_RED_SIZE,       5,
25         EGL_GREEN_SIZE,     6,
26         EGL_BLUE_SIZE,      5,
27         EGL_NONE
28     };
29
30     EGLint numConfigs = -1;
31     EGLint majorVersion;
32     EGLint minorVersion;
33     EGLConfig config;
34     EGLContext context;
35     EGLSurface surface;
36     EGLint w, h;
37
38     EGLDisplay dpy;
39
40     dpy = eglGetDisplay(EGL_DEFAULT_DISPLAY);
41     eglInitialize(dpy, &majorVersion, &minorVersion);
42     if (!usePbuffer) {
43         EGLNativeWindowType window = android_createDisplaySurface();
44         surface = eglCreateWindowSurface(dpy, config, window, NULL);
45         EGLUtils::selectConfigForNativeWindow(
46                 dpy, s_configAttribs, window, &config);
47     } else {
48         printf("using pbuffer\n");
49         eglChooseConfig(dpy, s_configAttribs, &config, 1, &numConfigs);
50         EGLint attribs[] = { EGL_WIDTH, 320, EGL_HEIGHT, 480, EGL_NONE };
51         surface = eglCreatePbufferSurface(dpy, config, attribs);
52         if (surface == EGL_NO_SURFACE) {
53             printf("eglCreatePbufferSurface error %x\n", eglGetError());
54         }
55     }
56     context = eglCreateContext(dpy, config, NULL, NULL);
57     eglMakeCurrent(dpy, surface, surface, context);
58     eglQuerySurface(dpy, surface, EGL_WIDTH, &w);
59     eglQuerySurface(dpy, surface, EGL_HEIGHT, &h);
60     GLint dim = w<h ? w : h;
61
62     glClear(GL_COLOR_BUFFER_BIT);
63
64     GLint crop[4] = { 0, 4, 4, -4 };
65     glBindTexture(GL_TEXTURE_2D, 0);
66     glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop);
67     glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
68     glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
69     glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
70     glEnable(GL_TEXTURE_2D);
71     glColor4f(1,1,1,1);
72
73     // packing is always 4
74     uint8_t t8[]  = {
75             0x00, 0x55, 0x00, 0x55,
76             0xAA, 0xFF, 0xAA, 0xFF,
77             0x00, 0x55, 0x00, 0x55,
78             0xAA, 0xFF, 0xAA, 0xFF  };
79
80     uint16_t t16[]  = {
81             0x0000, 0x5555, 0x0000, 0x5555,
82             0xAAAA, 0xFFFF, 0xAAAA, 0xFFFF,
83             0x0000, 0x5555, 0x0000, 0x5555,
84             0xAAAA, 0xFFFF, 0xAAAA, 0xFFFF  };
85
86     uint16_t t5551[]  = {
87             0x0000, 0xFFFF, 0x0000, 0xFFFF,
88             0xFFFF, 0x0000, 0xFFFF, 0x0000,
89             0x0000, 0xFFFF, 0x0000, 0xFFFF,
90             0xFFFF, 0x0000, 0xFFFF, 0x0000  };
91
92     uint32_t t32[]  = {
93             0xFF000000, 0xFF0000FF, 0xFF00FF00, 0xFFFF0000,
94             0xFF00FF00, 0xFFFF0000, 0xFF000000, 0xFF0000FF,
95             0xFF00FFFF, 0xFF00FF00, 0x00FF00FF, 0xFFFFFF00,
96             0xFF000000, 0xFFFF00FF, 0xFF00FFFF, 0xFFFFFFFF
97     };
98
99     switch(test)
100     {
101     case 1:
102         glTexImage2D(GL_TEXTURE_2D, 0, GL_LUMINANCE,
103                 4, 4, 0, GL_LUMINANCE, GL_UNSIGNED_BYTE, t8);
104         break;
105     case 2:
106         glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB,
107                 4, 4, 0, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, t16);
108         break;
109     case 3:
110         glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA,
111                 4, 4, 0, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, t16);
112         break;
113     case 4:
114         glTexImage2D(GL_TEXTURE_2D, 0, GL_LUMINANCE_ALPHA,
115                 4, 4, 0, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE, t16);
116         break;
117     case 5:
118         glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA,
119                 4, 4, 0, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1, t5551);
120         break;
121     case 6:
122         glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA,
123                 4, 4, 0, GL_RGBA, GL_UNSIGNED_BYTE, t32);
124         break;
125     }
126
127     glDrawTexiOES(0, 0, 0, dim, dim);
128
129     if (!usePbuffer) {
130         eglSwapBuffers(dpy, surface);
131     } else {
132         glFinish();
133     }
134
135     eglTerminate(dpy);
136     return 0;
137}
138