GLuint createAndLoadFragmentShaderAll()
{
const GLuint shader_handle = createFragmentShader();
if (shader_handle == 0){ return 0; }
{
const char* shader_source_file_path_list[] = {
SHADER_SOURCE_BASE_PATH "circle.frag"
};
const int shader_source_file_num = countof(shader_source_file_path_list);
const GLchar** shader_source_file_list = loadShaderSource(shader_source_file_num, shader_source_file_path_list);
if (shader_source_file_list)
{
glShaderSource(shader_handle, shader_source_file_num, shader_source_file_list, NULL);
freeShaderSource(shader_source_file_num, shader_source_file_list);
shader_source_file_list = NULL;
}
}
{
glCompileShader(shader_handle);
{
const GLint shader_compile_result = getShaderResult(shader_handle, GL_COMPILE_STATUS);
if (shader_compile_result == GL_FALSE){ return 0; }
}
}
return shader_handle;
}
ShaderObject::ShaderObject(char *vertexfile, char *fragmentfile)
{
printf("%s %s\n", vertexfile, fragmentfile);
program = glCreateProgram();
vertexShader = glCreateShader(GL_VERTEX_SHADER);
fragmentShader = glCreateShader(GL_FRAGMENT_SHADER);
char** vertexShaderSource = loadShaderSource(vertexfile);
char** fragmentShaderSource = loadShaderSource(fragmentfile);
glShaderSource(vertexShader, 1, vertexShaderSource, NULL);
glShaderSource(fragmentShader, 1, fragmentShaderSource, NULL);
freeShaderSource(vertexShaderSource);
freeShaderSource(fragmentShaderSource);
glCompileShader(vertexShader);
glCompileShader(fragmentShader);
shaderLog(vertexShader);
shaderLog(fragmentShader);
glAttachShader(program, vertexShader);
glAttachShader(program, fragmentShader);
glLinkProgram(program);
}