format = GL_RGB;
} else if (input_format.pixel_format == FORMAT_RGBA) {
format = GL_RGBA;
+ } else if (input_format.pixel_format == FORMAT_BGR) {
+ format = GL_BGR;
+ } else if (input_format.pixel_format == FORMAT_BGRA) {
+ format = GL_BGRA;
} else {
assert(false);
}
- glTexImage2D(GL_TEXTURE_2D, 0, internal_format, width, height, 0, format, GL_UNSIGNED_BYTE, src);
+ static bool first = true;
+ if (first) {
+ glTexImage2D(GL_TEXTURE_2D, 0, internal_format, width, height, 0, format, GL_UNSIGNED_BYTE, src);
+ } else {
+ glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, width, height, format, GL_UNSIGNED_BYTE, src);
+ }
check_error();
glUniform1i(glGetUniformLocation(glsl_program_num, "input_tex"), 0);