Implemented Mipmaps

time_stretch: Switch to values of Citra

video_core: Move OpenGL specific utils to its renderer

renderer_opengl: Enable alpha channel for DXT1 texture format

renderer_opengl: Correct bpp value for ASTC_2D_8X5_SRGB

renderer_opengl: Correct bpp value for ASTC_2D_8X5

Improved Shader accuracy on Vertex and Geometry Shaders.

Revert "Update MACOSX_DEPLOYMENT_TARGET to 10.14"

svc: Implement svcGetInfo command 0xF0000002

Update MACOSX_DEPLOYMENT_TARGET to 10.14

* remove unnecessary if-statements

* Addressed feedback

service/filesystem: Implemented DeleteDirectory & DeleteDirectoryRecursive

loader/nsp: Move secondary loader initialization to constructor

Implement sRGB support

key_manager: Use isxdigit instead of isdigit when reading key file

Crypto revisions are hex numbers and this function only checks if the string is valid for stoul in base 16, so it should be isxdigit.

configure_system: Indicate when filesystem operations fail

gl_rasterizer_cache: Fix compiler warning

Port citra-emu/citra#4367: "cubeb_sink: ignore null-name device when selecting"

gl_rasterizer: Implement primitive restart.

Implement Default Block Height for each format

Prevents nullptr bug when trying to dump the RomFS of an NSP resulting from secondary_loader not being initialized.