| 35 | } |
| 36 | |
| 37 | GLuint CreateProgram(GLuint vertexShader, GLuint fragmentShader) |
| 38 | { |
| 39 | GLuint program = glCreateProgram(); |
| 40 | glAttachShader(program, vertexShader); |
| 41 | glAttachShader(program, fragmentShader); |
| 42 | glBindAttribLocation(program, 0, "pos"); |
| 43 | glLinkProgram(program); |
| 44 | GLint linked = 0; |
| 45 | glGetProgramiv(program, GL_LINK_STATUS, &linked); |
| 46 | if (!linked) |
| 47 | { |
| 48 | GLint infoLen = 0; |
| 49 | glGetProgramiv(program, GL_INFO_LOG_LENGTH, &infoLen); |
| 50 | if (infoLen) |
| 51 | { |
| 52 | char *infoLog = (char*)malloc(infoLen); |
| 53 | glGetProgramInfoLog(program, infoLen, NULL, infoLog); |
| 54 | printf("Error linking program:\n%s\n", infoLog); |
| 55 | } |
| 56 | assert(0); |
| 57 | } |
| 58 | return program; |
| 59 | } |
| 60 | |
| 61 | int main(int argc, char *argv[]) |
| 62 | { |