ShuriZma
/
stella
mirror of https://github.com/stella-emu/stella.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

add support for raw framebuffer access method. QVGA smartphone support in. 

git-svn-id: svn://svn.code.sf.net/p/stella/code/trunk@980 8b62c5a3-ac7e-4cc8-8f21-d9a121418aba
This commit is contained in:
knakos 2006-01-24 22:57:55 +00:00
parent 4b6344d513
commit bb195d033f
4 changed files with 128 additions and 35 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

123
stella/src/wince/FrameBufferWinCE.cpp
View File

@ -26,18 +26,70 @@
FrameBufferWinCE::FrameBufferWinCE(OSystem *osystem)
: FrameBuffer(osystem), myDstScreen(NULL), SubsystemInited(false), displacement(0),
issmartphone(true), islandscape(false), displaymode(0)
issmartphone(true), islandscape(false), displaymode(0), legacygapi(true), devres(SM_LOW)
{
gxdp.cxWidth = gxdp.cyHeight = gxdp.cbxPitch = gxdp.cbyPitch = gxdp.cBPP = gxdp.ffFormat = 0;
}
FrameBufferWinCE::~FrameBufferWinCE()
{
}
void FrameBufferWinCE::GetDeviceProperties(void)
{
if (gxdp.cxWidth) return;
// screen access mode
gxdp = GXGetDisplayProperties();
legacygapi = true;
if (((unsigned int) GetSystemMetrics(SM_CXSCREEN) != gxdp.cxWidth) || ((unsigned int) GetSystemMetrics(SM_CYSCREEN) != gxdp.cyHeight))
{
// 2003SE+ and lying about the resolution. good luck.
legacygapi = false;
RawFrameBufferInfo rfbi;
HDC hdc = GetDC(NULL);
ExtEscape(hdc, GETRAWFRAMEBUFFER, 0, NULL, sizeof(RawFrameBufferInfo), (char *) &rfbi);
ReleaseDC(NULL, hdc);
if (rfbi.wFormat == FORMAT_565)
gxdp.ffFormat = kfDirect565;
else if (rfbi.wFormat == FORMAT_555)
gxdp.ffFormat = kfDirect555;
else
gxdp.ffFormat = 0;
gxdp.cBPP = rfbi.wBPP;
gxdp.cbxPitch = rfbi.cxStride;
gxdp.cbyPitch = rfbi.cyStride;
gxdp.cxWidth = rfbi.cxPixels;
gxdp.cyHeight = rfbi.cyPixels;
}
// device detection (some redundancy here, but nevermind :)
TCHAR platform[100];
issmartphone = false;
if (gxdp.cxWidth == 176 && gxdp.cyHeight == 220)
issmartphone = true;
if (SystemParametersInfo(SPI_GETPLATFORMTYPE, 100, platform, 0))
{
if (wcsstr(platform, _T("mart")))
issmartphone = true;
}
else
issmartphone = true; // most likely
if (gxdp.cxWidth == 176 && gxdp.cyHeight == 220)
devres = SM_LOW;
/*else if (gxdp.cxWidth == 480 && gxdp.cyHeight == 640)
devres = VGA;*/
else
devres = QVGA;
}
void FrameBufferWinCE::setPalette(const uInt32* palette)
{
//setup palette
gxdp = GXGetDisplayProperties();
GetDeviceProperties();
for (uInt16 i=0; i<256; i++)
{
uInt8 r = (uInt8) ((palette[i] & 0xFF0000) >> 16);
@ -55,7 +107,7 @@ void FrameBufferWinCE::setPalette(const uInt32* palette)
bool FrameBufferWinCE::initSubsystem()
{
gxdp = GXGetDisplayProperties();
GetDeviceProperties();
for (int i=0; i<kNumColors - 256; i++)
{
uInt8 r = (ourGUIColors[i][0] & 0xFF);
@ -85,10 +137,10 @@ bool FrameBufferWinCE::initSubsystem()
scrpixelstep = gxdp.cbxPitch;
scrlinestep = gxdp.cbyPitch;
if (scrwidth == 176 && scrheight == 220)
issmartphone = true;
else
issmartphone = false;
// if (scrwidth == 176 && scrheight == 220)
// issmartphone = true;
// else
// issmartphone = false;
setmode(displaymode);
SubsystemInited = false;
@ -143,18 +195,22 @@ void FrameBufferWinCE::lateinit(void)
myHeight = myOSystem->console().mediaSource().height();
myWidthdiv4 = myWidth >> 2;
if (issmartphone)
if (devres == SM_LOW)
if (!islandscape)
w = myWidth;
else
w = (int) ((float) myWidth * 11.0f / 8.0f + 0.5f);
else
else //if (devres == QVGA)
if (!islandscape)
w = (int) ((float) myWidth * 3.0f / 2.0f + 0.5f);
else
w = myWidth * 2;
if (issmartphone && islandscape)
/*else
{
// VGA
}
*/
if (devres == SM_LOW && islandscape)
h = (int) ((float) myHeight * 4.0f / 5.0f + 0.5f);
else
h = myHeight;
@ -208,7 +264,18 @@ void FrameBufferWinCE::lateinit(void)
void FrameBufferWinCE::preFrameUpdate()
{
static HDC hdc;
static RawFrameBufferInfo rfbi;
if (legacygapi)
myDstScreen = (uInt8 *) GXBeginDraw();
else
{
hdc = GetDC(NULL);
ExtEscape(hdc, GETRAWFRAMEBUFFER, 0, NULL, sizeof(RawFrameBufferInfo), (char *) &rfbi);
ReleaseDC(NULL, hdc);
myDstScreen = (uInt8 *) rfbi.pFramePointer;
}
}
void FrameBufferWinCE::drawMediaSource()
@ -236,7 +303,7 @@ void FrameBufferWinCE::drawMediaSource()
theRedrawTIAIndicator = false;
}
if (issmartphone && islandscape == 0)
if (devres == SM_LOW && !islandscape)
{
// straight
for (y=0; y<minydim; y++)
@ -261,7 +328,7 @@ void FrameBufferWinCE::drawMediaSource()
pl = d;
}
}
else if (issmartphone && islandscape)
else if (devres == SM_LOW && islandscape)
{
for (y=0; y<minydim; y++)
{
@ -378,7 +445,7 @@ void FrameBufferWinCE::drawMediaSource()
pl = d;
}
}
else if (issmartphone == 0 && islandscape == 0)
else if (devres == QVGA && !islandscape)
{
// 3/2
for (y=0; y<minydim; y++)
@ -407,7 +474,7 @@ void FrameBufferWinCE::drawMediaSource()
pl = d;
}
}
else if (issmartphone == 0 && islandscape)
else if (devres == QVGA && islandscape)
{
// 2/1
for (y=0; y<minydim; y++)
@ -444,8 +511,6 @@ void FrameBufferWinCE::drawMediaSource()
void FrameBufferWinCE::wipescreen(void)
{
uInt8 *d;
if (!SubsystemInited)
lateinit();
@ -454,15 +519,17 @@ void FrameBufferWinCE::wipescreen(void)
s = myOSystem->console().mediaSource().previousFrameBuffer();
memset(s, 0, myWidth*myHeight-1);
if ( (d = (uInt8 *) GXBeginDraw()) == NULL )
return;
for (int i=0; i < scrwidth*scrheight; i++, *((uInt16 *)d) = 0, d += scrpixelstep);
GXEndDraw();
preFrameUpdate();
//uInt8 *d;
//d=myDstScreen;
//for (int i=0; i < scrwidth*scrheight; i++, *((uInt16 *)d) = 0, d += scrpixelstep);
memset(myDstScreen, 0, scrwidth*scrheight*2);
postFrameUpdate();
}
void FrameBufferWinCE::postFrameUpdate()
{
GXEndDraw();
if (legacygapi) GXEndDraw();
}
void FrameBufferWinCE::drawChar(const GUI::Font* font, uInt8 c, uInt32 x, uInt32 y, OverlayColor color)
@ -488,7 +555,7 @@ void FrameBufferWinCE::drawChar(const GUI::Font* font, uInt8 c, uInt32 x, uInt32
uInt8 *d;
uInt32 stride;
if (issmartphone)
if (devres == SM_LOW)
{
d = myDstScreen + y * scrlinestep + ((x+1) >> 1) * scrpixelstep;
stride = (scrwidth - w) * scrpixelstep;
@ -506,7 +573,7 @@ void FrameBufferWinCE::drawChar(const GUI::Font* font, uInt8 c, uInt32 x, uInt32
for(int y2 = 0; y2 < h; y2++)
{
const uInt16 buffer = *tmp++;
if (issmartphone)
if (devres == SM_LOW)
{
uInt16 mask = 0xC000;
for(int x2 = 0; x2 < w; x2++, mask >>= 2)
@ -565,7 +632,7 @@ uInt32 FrameBufferWinCE::mapRGB(Uint8 r, Uint8 g, Uint8 b)
void FrameBufferWinCE::hLine(uInt32 x, uInt32 y, uInt32 x2, OverlayColor color)
{
if (issmartphone)
if (devres == SM_LOW)
{
int kx = x >> 1; int ky = y; int kx2 = x2>> 1;
if (kx<0) kx=0; if (ky<0) ky=0; if (ky>scrheight-1) return; if (kx2>scrwidth-1) kx2=scrwidth-1;
@ -589,10 +656,10 @@ void FrameBufferWinCE::PlothLine(uInt32 x, uInt32 y, uInt32 x2, OverlayColor col
void FrameBufferWinCE::vLine(uInt32 x, uInt32 y, uInt32 y2, OverlayColor color)
{
if (issmartphone)
if (devres == SM_LOW)
{
int kx = x >> 1; int ky = y; int ky2 = y2;
if (kx<0) kx=0; if (ky<0) ky=0; if (kx>scrwidth-1) return; if (ky2>scrheight-1) ky2=scrheight-1;
if (kx<0) kx=0; if (ky<0) ky=0; if (kx>scrwidth-1) return; if (ky>scrheight-1) ky=scrheight-1; if (ky2>scrheight-1) ky2=scrheight-1;
PlotvLine(kx, ky, ky2, color);
}
else
@ -614,7 +681,7 @@ void FrameBufferWinCE::PlotvLine(uInt32 x, uInt32 y, uInt32 y2, OverlayColor col
void FrameBufferWinCE::fillRect(uInt32 x, uInt32 y, uInt32 w, uInt32 h, OverlayColor color)
{
if (issmartphone)
if (devres == SM_LOW)
{
int kx = x >> 1; int ky = y; int kw = (w >> 1); int kh = h;
if (ky>scrheight-1) return; if (kx>scrwidth-1) return;

27
stella/src/wince/FrameBufferWinCE.hxx
View File

@ -24,6 +24,26 @@
#include "FrameBuffer.hxx"
#include "OSystem.hxx"
// The necessary nonsense for extended resolutions
#define GETRAWFRAMEBUFFER 0x00020001
#define FORMAT_565 1
#define FORMAT_555 2
#define FORMAT_OTHER 3
typedef struct _RawFrameBufferInfo
{
WORD wFormat;
WORD wBPP;
VOID *pFramePointer;
int cxStride;
int cyStride;
int cxPixels;
int cyPixels;
} RawFrameBufferInfo;
class FrameBufferWinCE : public FrameBuffer
{
public:
@ -48,8 +68,10 @@ class FrameBufferWinCE : public FrameBuffer
virtual void drawBitmap(uInt32* bitmap, Int32 x, Int32 y, OverlayColor color, Int32 h = 8);
virtual void translateCoords(Int32* x, Int32* y);
virtual void addDirtyRect(uInt32 x, uInt32 y, uInt32 w, uInt32 h);
virtual void enablePhosphor(bool enable) { return; };
virtual uInt32 lineDim();
void wipescreen(void);
virtual void cls() { return; };
void setmode(uInt8 mode);
uInt8 rotatedisplay(void);
@ -59,6 +81,7 @@ class FrameBufferWinCE : public FrameBuffer
void PlothLine(uInt32 x, uInt32 y, uInt32 x2, OverlayColor color);
void PlotvLine(uInt32 x, uInt32 y, uInt32 y2, OverlayColor color);
void PlotfillRect(uInt32 x, uInt32 y, uInt32 w, uInt32 h, OverlayColor color);
void GetDeviceProperties(void);
uInt16 pal[256], myWidth, myWidthdiv4, myHeight, guipal[kNumColors-256], scrwidth, scrheight;
Int32 pixelstep, linestep, scrpixelstep, scrlinestep;
@ -66,7 +89,8 @@ class FrameBufferWinCE : public FrameBuffer
bool SubsystemInited;
uInt8 *myDstScreen;
bool issmartphone, islandscape;
bool issmartphone, islandscape, legacygapi;
enum {SM_LOW, QVGA, VGA} devres;
uInt16 minydim, optgreenmaskN, optgreenmask;
Int32 pixelsteptimes5, pixelsteptimes6;
GXDisplayProperties gxdp;
@ -74,6 +98,7 @@ class FrameBufferWinCE : public FrameBuffer
public:
bool IsSmartphone(void) { return issmartphone; }
bool IsSmartphoneLowRes(void) { return (issmartphone && devres==SM_LOW); }
uInt8 getmode(void) { return displaymode; }
};

6
stella/src/wince/OSystemWinCE.cxx
View File

@ -74,7 +74,7 @@ void OSystemWinCE::mainLoop()
// Main game loop
MSG msg;
int laststate = -1;
if (!((FrameBufferWinCE *)myFrameBuffer)->IsSmartphone())
if (!((FrameBufferWinCE *)myFrameBuffer)->IsSmartphoneLowRes())
{
lastkeyset = 0;
KeySetMode(1);
@ -113,7 +113,7 @@ void OSystemWinCE::mainLoop()
}
else
{
if ( ((FrameBufferWinCE *)myFrameBuffer)->IsSmartphone() )
if ( ((FrameBufferWinCE *)myFrameBuffer)->IsSmartphoneLowRes() )
{
KeySetMode(0);
((FrameBufferWinCE *)myFrameBuffer)->setmode(0);
@ -165,7 +165,7 @@ uInt32 OSystemWinCE::getTicks(void)
inline const GUI::Font& OSystemWinCE::font() const
{
if ( ((FrameBufferWinCE *)myFrameBuffer)->IsSmartphone() )
if ( ((FrameBufferWinCE *)myFrameBuffer)->IsSmartphoneLowRes() )
return consoleFont();
else
return OSystem::font();

1
stella/src/wince/OSystemWinCE.hxx
View File

@ -32,6 +32,7 @@ class OSystemWinCE : public OSystem
virtual void mainLoop();
virtual uInt32 getTicks(void);
virtual void setFramerate(uInt32 framerate);
virtual void getScreenDimensions(int& width, int& height) { width = GetSystemMetrics(SM_CXSCREEN); height = GetSystemMetrics(SM_CYSCREEN); };
inline const GUI::Font& font() const;
};