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-rw-r--r--backends/platform/sdl/graphics.cpp212
-rw-r--r--backends/platform/sdl/sdl.cpp4
-rw-r--r--backends/platform/sdl/sdl.h27
3 files changed, 226 insertions, 17 deletions
diff --git a/backends/platform/sdl/graphics.cpp b/backends/platform/sdl/graphics.cpp
index 78b8bd8c63..a090db01b6 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"
@@ -97,6 +100,9 @@ void OSystem_SDL::beginGFXTransaction(void) {
_transactionDetails.needUpdatescreen = false;
_transactionDetails.normal1xScaler = false;
+#ifdef ENABLE_RGB_COLOR
+ _transactionDetails.formatChanged = false;
+#endif
_oldVideoMode = _videoMode;
}
@@ -120,6 +126,13 @@ OSystem::TransactionError OSystem_SDL::endGFXTransaction(void) {
_videoMode.mode = _oldVideoMode.mode;
_videoMode.scaleFactor = _oldVideoMode.scaleFactor;
+#ifdef ENABLE_RGB_COLOR
+ } else if (_videoMode.format != _oldVideoMode.format) {
+ errors |= kTransactionFormatNotSupported;
+
+ _videoMode.format = _oldVideoMode.format;
+ _screenFormat = _videoMode.format;
+#endif
} else if (_videoMode.screenWidth != _oldVideoMode.screenWidth || _videoMode.screenHeight != _oldVideoMode.screenHeight) {
errors |= kTransactionSizeChangeFailed;
@@ -143,7 +156,11 @@ OSystem::TransactionError OSystem_SDL::endGFXTransaction(void) {
}
}
+#ifdef ENABLE_RGB_COLOR
+ if (_transactionDetails.sizeChanged || _transactionDetails.formatChanged) {
+#else
if (_transactionDetails.sizeChanged) {
+#endif
unloadGFXMode();
if (!loadGFXMode()) {
if (_oldVideoMode.setup) {
@@ -186,12 +203,94 @@ OSystem::TransactionError OSystem_SDL::endGFXTransaction(void) {
} else if (_transactionDetails.needUpdatescreen) {
setGraphicsModeIntern();
internUpdateScreen();
- }
+ }
_transactionMode = kTransactionNone;
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;
+ static bool inited = false;
+
+ if (inited)
+ return list;
+
+ bool BGR = false;
+ int listLength = ARRAYSIZE(RGBList);
+
+ Graphics::PixelFormat format = Graphics::PixelFormat::createFormatCLUT8();
+ if (_hwscreen) {
+ // Get our currently set hardware format
+ format = Graphics::PixelFormat(_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);
+
+ // Workaround to MacOSX SDL not providing an accurate Aloss value.
+ if (_hwscreen->format->Amask == 0)
+ format.aLoss = 8;
+
+ // Push it first, as the prefered format.
+ list.push_back(format);
+
+ if (format.bShift > format.rShift)
+ BGR = true;
+
+ // Mark that we don't need to do this any more.
+ inited = true;
+ }
+
+ for (int i = 0; i < listLength; i++) {
+ if (inited && (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);
@@ -340,9 +439,27 @@ int OSystem_SDL::getGraphicsMode() const {
return _videoMode.mode;
}
-void OSystem_SDL::initSize(uint w, uint h) {
+void OSystem_SDL::initSize(uint w, uint h, const Graphics::PixelFormat *format) {
assert(_transactionMode == kTransactionActive);
+#ifdef ENABLE_RGB_COLOR
+ //avoid redundant format changes
+ Graphics::PixelFormat newFormat;
+ if (!format)
+ newFormat = Graphics::PixelFormat::createFormatCLUT8();
+ else
+ newFormat = *format;
+
+ assert(newFormat.bytesPerPixel > 0);
+
+ if (newFormat != _videoMode.format)
+ {
+ _videoMode.format = newFormat;
+ _transactionDetails.formatChanged = true;
+ _screenFormat = newFormat;
+ }
+#endif
+
// Avoid redundant res changes
if ((int)w == _videoMode.screenWidth && (int)h == _videoMode.screenHeight)
return;
@@ -384,9 +501,21 @@ bool OSystem_SDL::loadGFXMode() {
//
// Create the surface that contains the 8 bit game data
//
+#ifdef ENABLE_RGB_COLOR
+ _screen = SDL_CreateRGBSurface(SDL_SWSURFACE, _videoMode.screenWidth, _videoMode.screenHeight,
+ _screenFormat.bytesPerPixel << 3,
+ ((1 << _screenFormat.rBits()) - 1) << _screenFormat.rShift ,
+ ((1 << _screenFormat.gBits()) - 1) << _screenFormat.gShift ,
+ ((1 << _screenFormat.bBits()) - 1) << _screenFormat.bShift ,
+ ((1 << _screenFormat.aBits()) - 1) << _screenFormat.aShift );
+ if (_screen == NULL)
+ error("allocating _screen failed");
+
+#else
_screen = SDL_CreateRGBSurface(SDL_SWSURFACE, _videoMode.screenWidth, _videoMode.screenHeight, 8, 0, 0, 0, 0);
if (_screen == NULL)
error("allocating _screen failed");
+#endif
//
// Create the surface that contains the scaled graphics in 16 bit mode
@@ -525,8 +654,8 @@ bool OSystem_SDL::hotswapGFXMode() {
// Keep around the old _screen & _overlayscreen so we can restore the screen data
// after the mode switch.
SDL_Surface *old_screen = _screen;
- SDL_Surface *old_overlayscreen = _overlayscreen;
_screen = NULL;
+ SDL_Surface *old_overlayscreen = _overlayscreen;
_overlayscreen = NULL;
// Release the HW screen surface
@@ -832,8 +961,19 @@ void OSystem_SDL::copyRectToScreen(const byte *src, int pitch, int x, int y, int
if (SDL_LockSurface(_screen) == -1)
error("SDL_LockSurface failed: %s", SDL_GetError());
+#ifdef ENABLE_RGB_COLOR
+ byte *dst = (byte *)_screen->pixels + y * _videoMode.screenWidth * _screenFormat.bytesPerPixel + x * _screenFormat.bytesPerPixel;
+ if (_videoMode.screenWidth == w && pitch == w * _screenFormat.bytesPerPixel) {
+ memcpy(dst, src, h*w*_screenFormat.bytesPerPixel);
+ } else {
+ do {
+ memcpy(dst, src, w * _screenFormat.bytesPerPixel);
+ src += pitch;
+ dst += _videoMode.screenWidth * _screenFormat.bytesPerPixel;
+ } while (--h);
+ }
+#else
byte *dst = (byte *)_screen->pixels + y * _videoMode.screenWidth + x;
-
if (_videoMode.screenWidth == pitch && pitch == w) {
memcpy(dst, src, h*w);
} else {
@@ -843,6 +983,7 @@ void OSystem_SDL::copyRectToScreen(const byte *src, int pitch, int x, int y, int
dst += _videoMode.screenWidth;
} while (--h);
}
+#endif
// Unlock the screen surface
SDL_UnlockSurface(_screen);
@@ -866,7 +1007,11 @@ Graphics::Surface *OSystem_SDL::lockScreen() {
_framebuffer.w = _screen->w;
_framebuffer.h = _screen->h;
_framebuffer.pitch = _screen->pitch;
+#ifdef ENABLE_RGB_COLOR
+ _framebuffer.bytesPerPixel = _screenFormat.bytesPerPixel;
+#else
_framebuffer.bytesPerPixel = 1;
+#endif
return &_framebuffer;
}
@@ -1050,6 +1195,11 @@ int16 OSystem_SDL::getWidth() {
void OSystem_SDL::setPalette(const byte *colors, uint start, uint num) {
assert(colors);
+#ifdef ENABLE_RGB_COLOR
+ if (_screenFormat.bytesPerPixel > 1)
+ return; //not using a paletted pixel format
+#endif
+
// Setting the palette before _screen is created is allowed - for now -
// since we don't actually set the palette until the screen is updated.
// But it could indicate a programming error, so let's warn about it.
@@ -1103,10 +1253,10 @@ void OSystem_SDL::setCursorPalette(const byte *colors, uint start, uint num) {
}
_cursorPaletteDisabled = false;
-
blitCursor();
}
+
void OSystem_SDL::setShakePos(int shake_pos) {
assert (_transactionMode == kTransactionNone);
@@ -1311,7 +1461,17 @@ void OSystem_SDL::warpMouse(int x, int y) {
}
}
-void OSystem_SDL::setMouseCursor(const byte *buf, uint w, uint h, int hotspot_x, int hotspot_y, byte keycolor, int cursorTargetScale) {
+void OSystem_SDL::setMouseCursor(const byte *buf, uint w, uint h, int hotspot_x, int hotspot_y, uint32 keycolor, int cursorTargetScale, const Graphics::PixelFormat *format) {
+#ifdef ENABLE_RGB_COLOR
+ if (!format)
+ _cursorFormat = Graphics::PixelFormat::createFormatCLUT8();
+ else if (format->bytesPerPixel <= _screenFormat.bytesPerPixel)
+ _cursorFormat = *format;
+ keycolor &= (1 << (_cursorFormat.bytesPerPixel << 3)) - 1;
+#else
+ keycolor &= 0xFF;
+#endif
+
if (w == 0 || h == 0)
return;
@@ -1345,16 +1505,26 @@ void OSystem_SDL::setMouseCursor(const byte *buf, uint w, uint h, int hotspot_x,
}
free(_mouseData);
-
+#ifdef ENABLE_RGB_COLOR
+ _mouseData = (byte *)malloc(w * h * _cursorFormat.bytesPerPixel);
+ memcpy(_mouseData, buf, w * h * _cursorFormat.bytesPerPixel);
+#else
_mouseData = (byte *)malloc(w * h);
memcpy(_mouseData, buf, w * h);
+#endif
+
blitCursor();
}
void OSystem_SDL::blitCursor() {
byte *dstPtr;
const byte *srcPtr = _mouseData;
+#ifdef ENABLE_RGB_COLOR
+ uint32 color;
+ uint32 colormask = (1 << (_cursorFormat.bytesPerPixel << 3)) - 1;
+#else
byte color;
+#endif
int w, h, i, j;
if (!_mouseOrigSurface || !_mouseData)
@@ -1388,13 +1558,29 @@ void OSystem_SDL::blitCursor() {
for (i = 0; i < h; i++) {
for (j = 0; j < w; j++) {
- color = *srcPtr;
- if (color != _mouseKeyColor) { // transparent, don't draw
- *(uint16 *)dstPtr = SDL_MapRGB(_mouseOrigSurface->format,
- palette[color].r, palette[color].g, palette[color].b);
+#ifdef ENABLE_RGB_COLOR
+ if (_cursorFormat.bytesPerPixel > 1) {
+ color = (*(uint32 *) srcPtr) & colormask;
+ if (color != _mouseKeyColor) { // transparent, don't draw
+ uint8 r,g,b;
+ _cursorFormat.colorToRGB(color,r,g,b);
+ *(uint16 *)dstPtr = SDL_MapRGB(_mouseOrigSurface->format,
+ r, g, b);
+ }
+ dstPtr += 2;
+ srcPtr += _cursorFormat.bytesPerPixel;
+ } else {
+#endif
+ color = *srcPtr;
+ if (color != _mouseKeyColor) { // transparent, don't draw
+ *(uint16 *)dstPtr = SDL_MapRGB(_mouseOrigSurface->format,
+ palette[color].r, palette[color].g, palette[color].b);
+ }
+ dstPtr += 2;
+ srcPtr++;
+#ifdef ENABLE_RGB_COLOR
}
- dstPtr += 2;
- srcPtr++;
+#endif
}
dstPtr += _mouseOrigSurface->pitch - w * 2;
}
diff --git a/backends/platform/sdl/sdl.cpp b/backends/platform/sdl/sdl.cpp
index b353c79495..105206ec07 100644
--- a/backends/platform/sdl/sdl.cpp
+++ b/backends/platform/sdl/sdl.cpp
@@ -196,6 +196,10 @@ OSystem_SDL::OSystem_SDL()
_osdSurface(0), _osdAlpha(SDL_ALPHA_TRANSPARENT), _osdFadeStartTime(0),
#endif
_hwscreen(0), _screen(0), _tmpscreen(0),
+#ifdef ENABLE_RGB_COLOR
+ _screenFormat(Graphics::PixelFormat::createFormatCLUT8()),
+ _cursorFormat(Graphics::PixelFormat::createFormatCLUT8()),
+#endif
_overlayVisible(false),
_overlayscreen(0), _tmpscreen2(0),
_samplesPerSec(0),
diff --git a/backends/platform/sdl/sdl.h b/backends/platform/sdl/sdl.h
index 7498f48b08..3e074a884a 100644
--- a/backends/platform/sdl/sdl.h
+++ b/backends/platform/sdl/sdl.h
@@ -81,9 +81,17 @@ public:
void beginGFXTransaction(void);
TransactionError endGFXTransaction(void);
- // Set the size of the video bitmap.
- // Typically, 320x200
- virtual void initSize(uint w, uint h); // overloaded by CE backend
+#ifdef ENABLE_RGB_COLOR
+ // Game screen
+ virtual Graphics::PixelFormat getScreenFormat() const { return _screenFormat; }
+
+ // Highest supported
+ virtual Common::List<Graphics::PixelFormat> getSupportedFormats();
+#endif
+
+ // Set the size and format of the video bitmap.
+ // Typically, 320x200 CLUT8
+ virtual void initSize(uint w, uint h, const Graphics::PixelFormat *format); // overloaded by CE backend
virtual int getScreenChangeID() const { return _screenChangeCount; }
@@ -112,7 +120,7 @@ public:
virtual void warpMouse(int x, int y); // overloaded by CE backend (FIXME)
// Set the bitmap that's used when drawing the cursor.
- virtual void setMouseCursor(const byte *buf, uint w, uint h, int hotspot_x, int hotspot_y, byte keycolor, int cursorTargetScale); // overloaded by CE backend (FIXME)
+ virtual void setMouseCursor(const byte *buf, uint w, uint h, int hotspot_x, int hotspot_y, uint32 keycolor, int cursorTargetScale, const Graphics::PixelFormat *format); // overloaded by CE backend (FIXME)
// Set colors of cursor palette
void setCursorPalette(const byte *colors, uint start, uint num);
@@ -174,6 +182,7 @@ public:
// Overlay
virtual Graphics::PixelFormat getOverlayFormat() const { return _overlayFormat; }
+
virtual void showOverlay();
virtual void hideOverlay();
virtual void clearOverlay();
@@ -227,6 +236,10 @@ protected:
// unseen game screen
SDL_Surface *_screen;
+#ifdef ENABLE_RGB_COLOR
+ Graphics::PixelFormat _screenFormat;
+ Graphics::PixelFormat _cursorFormat;
+#endif
// temporary screen (for scalers)
SDL_Surface *_tmpscreen;
@@ -260,6 +273,9 @@ protected:
bool needHotswap;
bool needUpdatescreen;
bool normal1xScaler;
+#ifdef ENABLE_RGB_COLOR
+ bool formatChanged;
+#endif
};
TransactionDetails _transactionDetails;
@@ -274,6 +290,9 @@ protected:
int screenWidth, screenHeight;
int overlayWidth, overlayHeight;
+#ifdef ENABLE_RGB_COLOR
+ Graphics::PixelFormat format;
+#endif
};
VideoState _videoMode, _oldVideoMode;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-24 20:33:17 +0000