| 38 | } |
| 39 | |
| 40 | GLuint CreateProgram(GLuint vertexShader, GLuint fragmentShader) |
| 41 | { |
| 42 | GLuint program = glCreateProgram(); |
| 43 | glAttachShader(program, vertexShader); |
| 44 | glAttachShader(program, fragmentShader); |
| 45 | glBindAttribLocation(program, 0, "pos"); |
| 46 | glLinkProgram(program); |
| 47 | GLint linked = 0; |
| 48 | glGetProgramiv(program, GL_LINK_STATUS, &linked); |
| 49 | if (!linked) |
| 50 | { |
| 51 | GLint infoLen = 0; |
| 52 | glGetProgramiv(program, GL_INFO_LOG_LENGTH, &infoLen); |
| 53 | if (infoLen) |
| 54 | { |
| 55 | char *infoLog = (char*)malloc(infoLen); |
| 56 | glGetProgramInfoLog(program, infoLen, NULL, infoLog); |
| 57 | printf("Error linking program:\n%s\n", infoLog); |
| 58 | } |
| 59 | assert(0); |
| 60 | } |
| 61 | return program; |
| 62 | } |
| 63 | |
| 64 | int main(int argc, char *argv[]) |
| 65 | { |