diff options
Diffstat (limited to 'backends/platform/sdl/graphics.cpp')
| -rw-r--r-- | backends/platform/sdl/graphics.cpp | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/backends/platform/sdl/graphics.cpp b/backends/platform/sdl/graphics.cpp index fa162a6348..61f33569af 100644 --- a/backends/platform/sdl/graphics.cpp +++ b/backends/platform/sdl/graphics.cpp @@ -26,6 +26,9 @@ #include "backends/platform/sdl/sdl.h" #include "common/mutex.h" #include "common/util.h" +#ifdef ENABLE_RGB_COLOR +#include "common/list.h" +#endif #include "graphics/font.h" #include "graphics/fontman.h" #include "graphics/scaler.h" @@ -206,6 +209,73 @@ OSystem::TransactionError OSystem_SDL::endGFXTransaction(void) { return (TransactionError)errors; } +#ifdef ENABLE_RGB_COLOR +const Graphics::PixelFormat RGBList[] = { +#ifdef ENABLE_32BIT + // RGBA8888, ARGB8888, RGB888 + Graphics::PixelFormat(4, 0, 0, 0, 0, 24, 16, 8, 0), + Graphics::PixelFormat(4, 0, 0, 0, 0, 16, 8, 0, 24), + Graphics::PixelFormat(3, 0, 0, 0, 8, 16, 8, 0, 0), +#endif + // RGB565, XRGB1555, RGB555, RGBA4444, ARGB4444 + Graphics::PixelFormat(2, 3, 2, 3, 8, 11, 5, 0, 0), + Graphics::PixelFormat(2, 3, 3, 3, 7, 10, 5, 0, 15), + Graphics::PixelFormat(2, 3, 3, 3, 8, 10, 5, 0, 0), + Graphics::PixelFormat(2, 4, 4, 4, 4, 12, 8, 4, 0), + Graphics::PixelFormat(2, 4, 4, 4, 4, 8, 4, 0, 12) +}; +const Graphics::PixelFormat BGRList[] = { +#ifdef ENABLE_32BIT + // ABGR8888, BGRA8888, BGR888 + Graphics::PixelFormat(4, 0, 0, 0, 0, 0, 8, 16, 24), + Graphics::PixelFormat(4, 0, 0, 0, 0, 8, 16, 24, 0), + Graphics::PixelFormat(3, 0, 0, 0, 8, 0, 8, 16, 0), +#endif + // BGR565, XBGR1555, BGR555, ABGR4444, BGRA4444 + Graphics::PixelFormat(2, 3, 2, 3, 8, 0, 5, 11, 0), + Graphics::PixelFormat(2, 3, 3, 3, 7, 0, 5, 10, 15), + Graphics::PixelFormat(2, 3, 3, 3, 8, 0, 5, 10, 0), + Graphics::PixelFormat(2, 4, 4, 4, 4, 0, 4, 8, 12), + Graphics::PixelFormat(2, 3, 3, 3, 8, 4, 8, 12, 0) +}; + +// TODO: prioritize matching alpha masks +Common::List<Graphics::PixelFormat> OSystem_SDL::getSupportedFormats() { + static Common::List<Graphics::PixelFormat> list; + if (!list.empty()) + return list; + bool BGR = false; + int listLength = ARRAYSIZE(RGBList); + + // Get our currently set format + Graphics::PixelFormat format(_hwscreen->format->BytesPerPixel, + _hwscreen->format->Rloss, _hwscreen->format->Gloss, + _hwscreen->format->Bloss, _hwscreen->format->Aloss, + _hwscreen->format->Rshift, _hwscreen->format->Gshift, + _hwscreen->format->Bshift, _hwscreen->format->Ashift); + + // Push it first, as the prefered format. + list.push_back(format); + if (format.bShift > format.rShift) + BGR = true; + for (int i = 0; i < listLength; i++) { + if (RGBList[i].bytesPerPixel > format.bytesPerPixel) + continue; + if (BGR) { + if (BGRList[i] != format) + list.push_back(BGRList[i]); + list.push_back(RGBList[i]); + } else { + if (RGBList[i] != format) + list.push_back(RGBList[i]); + list.push_back(BGRList[i]); + } + } + list.push_back(Graphics::PixelFormat::createFormatCLUT8()); + return list; +} +#endif + bool OSystem_SDL::setGraphicsMode(int mode) { Common::StackLock lock(_graphicsMutex); |