1 // Copyright 2012 The Emscripten Authors. All rights reserved.
2 // Emscripten is available under two separate licenses, the MIT license and the
3 // University of Illinois/NCSA Open Source License. Both these licenses can be
4 // found in the LICENSE file.
5
6 #define GL_GLEXT_PROTOTYPES
7 #define EGL_EGLEXT_PROTOTYPES
8
9 #include <math.h>
10 #include <stdlib.h>
11 #include <stdio.h>
12 #include <string.h>
13 #include <sys/time.h>
14 #include <unistd.h>
15 #ifdef __APPLE__
16 #include <OpenGL/gl.h>
17 #include <Glut/glut.h>
18 #else
19 #include <GL/gl.h>
20 #include <GL/glut.h>
21 #endif
22
23 #include <assert.h>
24 #include <emscripten.h>
25
main(int argc,char * argv[])26 int main(int argc, char *argv[])
27 {
28 /* Initialize the window */
29 glutInit(&argc, argv);
30 glutInitWindowSize(300, 300);
31 glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH);
32
33 glutCreateWindow("es2gears");
34
35 GLint shaderCompiler;
36 glGetIntegerv(GL_SHADER_COMPILER, &shaderCompiler);
37
38 GLint numShaderBinaryFormats;
39 glGetIntegerv(GL_NUM_SHADER_BINARY_FORMATS, &numShaderBinaryFormats);
40
41 printf("%d,%d\n", shaderCompiler, numShaderBinaryFormats);
42
43 if (!shaderCompiler && numShaderBinaryFormats == 0) {
44 printf("In current environment, the GLES2 implementation IS NOT standard conforming! "
45 "GL_SHADER_COMPILER == GL_FALSE and GL_NUM_SHADER_BINARY_FORMATS == 0! "
46 "In GLES2 spec, either compiling shaders or binary shaders must be supported! (Section 2.10 - Vertex Shaders)\n");
47 REPORT_RESULT(0);
48 } else {
49 assert(numShaderBinaryFormats == 0);
50 REPORT_RESULT(1);
51 }
52 return 0;
53 }
54