User:Ccawley2011

ccawley2011
Name	Cameron Cawley
Team Member since	2019-04-02
Working on	RISC OS port, Nintendo DS port, Nintendo 3DS port
Personal webpage/BLOG	-
Email	-

TODO

• Take a closer look at this PR: SCUMM: Some graphics rendering cleanup

Pixel formats

• SurfaceSDL - determined by SDL 1.2. SDL2/3 force RGB565 regardless of backend or engine requirements.
  • Windows - determined from DirectDraw surface (windx5), XRGB1555 (windib), RGB565 (windib), XRGB8888 (windib)
  • Mac OS X - XRGB1555 (full-screen, pre-Lion), XRGB8888 (full-screen, pre-Lion), XRGB32 (windowed)
  • FreeMiNT - XBARG35152 XBRG3553, RGBA8888
  • RISC OS - XBGR1555, XRGB1555, ABGR1555, ABGR1555 BGR565, BGR565, XBGR8888, XRGB8888, ABGR8888, ARGB8888 (depending on hardware)
  • OS/2 - determined from video mode (FSLib), XRGB1555 (GrOp), RGB565 (GrOp), RGB664 (GrOp), XBGR8888 (GrOp), XRGB8888 (GrOp)
  • IRIX - determined from X11 visual.
  • Maemo - determined from X11 visual.
  • MorphOS - ARGB8888 (OLDFB), BGRA8888 (not OLDFB)
  • KolibriOS - 24bpp, unclear order.
  • OpenDingux - to be confirmed.
  • Miyoo - to be confirmed.
  • OpenPandora - to be confirmed.
  • SamsungTV - ARGB8888
• RenderSDL - determined by SDL2/3.
  • Direct3D 9 - ARGB8888, INDEX8
  • Direct3D 11 - ARGB8888, ABGR8888, XRGB8888, RGB565, INDEX8
  • Direct3D 12 - ARGB8888, ABGR8888, XRGB8888, INDEX8
  • GPU - BGRA32, RGBA32, BGRX32, RGBX32, INDEX8
  • Metal - ARGB8888, ABGR8888, INDEX8
  • OpenGL - BGRA32, RGBA32, BGRX32, RGBX32, INDEX8 (see also https://github.com/libsdl-org/SDL/pull/9910)
  • OpenGL ES 1 - RGBA32 (see also https://github.com/libsdl-org/SDL/pull/9910)
  • OpenGL ES 2 - BGRA32, RGBA32, BGRX32, RGBX32, INDEX8 (see also https://github.com/libsdl-org/SDL/pull/9910)
  • PlayStation Vita - ARGB8888, ABGR8888, RGB565, BGR565
  • Vulkan - BGRA32, RGBA32, ABGR8888, INDEX8
  • PlayStation 3 - ARGB8888
  • AmigaOS 4 - ARGB8888
• OpenGL desktop - RGBA32, most others with 1.2+ or extensions. Best to be confirmed (see https://github.com/libsdl-org/SDL/issues/12189).
• OpenGL ES - RGBA32, RGB565, RGBA5551, RGBA4444 (plus BGRA32 with extensions).
• Null - arbitrary based on engine analysis from a few years ago.
• LibRetro - to be confirmed.
• 3DS - RGBA8888, RGB565, RGBA5551, RGBA4444.
• DC - RGB565, ARGB1555, ARGB4444.
• DS - ABGR1555.
• PSP - ABGR8888 (not reported), BGR565, ABGR1555, ABGR4444.
• Wii - RGB565.
• Atari - RGB unsupported.
• N64 - RGB unsupported, uses RGBX5551 internally.

All backends support CLUT8.