diff options
Diffstat (limited to 'third_party/gldc/README.md')
-rw-r--r-- | third_party/gldc/README.md | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/third_party/gldc/README.md b/third_party/gldc/README.md new file mode 100644 index 0000000..aedd739 --- /dev/null +++ b/third_party/gldc/README.md @@ -0,0 +1,66 @@ +This is a fork of GLdc optimised for the Dreamcast port of ClassiCube, and unfortunately is essentially useless for any other project + +--- + +# GLdc + +**Development of GLdc has moved to [Gitlab](https://gitlab.com/simulant/GLdc)** + +This is a partial implementation of OpenGL 1.2 for the SEGA Dreamcast for use +with the KallistiOS SDK. + +It began as a fork of libGL by Josh Pearson but has undergone a large refactor +which is essentially a rewrite. + +The aim is to implement as much of OpenGL 1.2 as possible, and to add additional +features via extensions. + +Things left to (re)implement: + + - Spotlights (Trivial) + - Framebuffer extension (Trivial) + - Texture Matrix (Trivial) + +Things I'd like to do: + + - Use a clean "gl.h" + - Define an extension for modifier volumes + - Add support for point sprites + - Optimise, add unit tests for correctness + +# Compiling + +GLdc uses CMake for its build system, it currently ships with two "backends": + + - kospvr - This is the hardware-accelerated Dreamcast backend + - software - This is a stub software rasterizer used for testing testing and debugging + +To compile a Dreamcast debug build, you'll want to do something like the following: + +``` +mkdir dcbuild +cd dcbuild +cmake -DCMAKE_TOOLCHAIN_FILE=../toolchains/Dreamcast.cmake -G "Unix Makefiles" .. +make +``` + +For a release build, replace the cmake line with with the following: +``` +cmake -DCMAKE_TOOLCHAIN_FILE=../toolchains/Dreamcast.cmake -G "Unix Makefiles" -DCMAKE_BUILD_TYPE=Release .. +``` + +You will need KallistiOS compiled and configured (e.g. the KOS_BASE environment +variable must be set) + +To compile for PC: + +``` +mkdir pcbuild +cd pcbuild +cmake -G "Unix Makefiles" .. +make +``` + +# Special Thanks! + + - Massive shout out to Hayden Kowalchuk for diagnosing and fixing a large number of bugs while porting GL Quake to the Dreamcast. Absolute hero! |