Bitmap Vanilla Shader

Updated the resource pack version to 69

Updated to work with the new Minecraft versions:

• Changed pack_format to min_format and max_format
• Updated appropriate vertex shaders used (mainly to core/screenquad)
• Fragment shaders now use OpenGL version 3.3

Updated the resource pack version to 64

Updated the resource pack version to 63

Updated to work with the new Minecraft versions:

• The greyscale and notch post-processing shaders now use uniform blocks
• Transparency post-processing effect structure and configuration

Updated the resource pack version to 55

Updated to work with the new Minecraft versions:

• Added a new post shader greyscale because the post shader color_convolve no longer has the Saturation uniform
• Transparency post-processing effect structure and configuration

Updated the resource pack format to 46