unsigned num_textures = std::max<int>(phases.size() - 1, 2);
glGenTextures(num_textures, temp_textures);
- unsigned char *empty = new unsigned char[width * height * 4];
- memset(empty, 0, width * height * 4);
for (unsigned i = 0; i < num_textures; ++i) {
glBindTexture(GL_TEXTURE_2D, temp_textures[i]);
check_error();
check_error();
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
check_error();
- glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA16F_ARB, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, empty);
+ glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA16F_ARB, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
check_error();
}
- delete[] empty;
}
// Translate the input format to OpenGL's enums.