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desmume
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Fixed rotation.

This commit is contained in:
luigi__ 2009-01-10 22:50:00 +00:00
parent c54e6f000d
commit 25c7d09e58
1 changed files with 73 additions and 56 deletions
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129
desmume/src/windows/main.cpp
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@ -719,9 +719,9 @@ void ClearRecentRoms()
int CreateDDrawBuffers()
{
if (lpDDClipPrimary!=NULL) IDirectDraw7_Release(lpDDClipPrimary);
if (lpPrimarySurface != NULL) IDirectDraw7_Release(lpPrimarySurface);
if (lpBackSurface != NULL) IDirectDraw7_Release(lpBackSurface);
if (lpDDClipPrimary!=NULL) { IDirectDraw7_Release(lpDDClipPrimary); lpDDClipPrimary = NULL; }
if (lpPrimarySurface != NULL) { IDirectDraw7_Release(lpPrimarySurface); lpPrimarySurface = NULL; }
if (lpBackSurface != NULL) { IDirectDraw7_Release(lpBackSurface); lpBackSurface = NULL; }
memset(&ddsd, 0, sizeof(ddsd));
ddsd.dwSize = sizeof(ddsd);
@ -757,6 +757,59 @@ int CreateDDrawBuffers()
}
void applyRotation_0deg(u32 *in, u32 *out, int pitch)
{
for(int i = 0; i < (256 * 384); i += 256)
{
memcpy(out, (in + i), 1024);
out = (u32*)(((u8*)out) + pitch);
}
}
void applyRotation_90deg(u32 *in, u32 *out, int pitch)
{
for(int i = 0; i < 256; i++)
{
for(int j = 0; j < 384; j++)
{
out[383 - j] = in[(j * 256) + i];
}
out = (u32*)(((u8*)out) + pitch);
}
}
void applyRotation_180deg(u32 *in, u32 *out, int pitch)
{
for(int i = 0; i < 384; i++)
{
for(int j = 0; j < 256; j++)
{
out[j] = in[98303 - ((i * 256) + j)];
}
out = (u32*)(((u8*)out) + pitch);
}
}
void applyRotation_270deg(u32 *in, u32 *out, int pitch)
{
for(int i = 0; i < 256; i++)
{
for(int j = 0; j < 384; j++)
{
out[j] = in[(j * 256) + (255 - i)];
}
out = (u32*)(((u8*)out) + pitch);
}
}
void (*applyRotation[4])(u32 *in, u32 *out, int pitch) = {
applyRotation_0deg,
applyRotation_90deg,
applyRotation_180deg,
applyRotation_270deg
};
void Display()
{
int res;
@ -778,59 +831,8 @@ void Display()
tmpGPU_screen[i]= (((tmpGPU_Screen_src[i]>>10)&0x1F)<<3)|
(((tmpGPU_Screen_src[i]>>5)&0x1F)<<11)|
(((tmpGPU_Screen_src[i])&0x1F)<<19);
switch (GPU_rotation)
{
case 0:
{
for (i = 0; i < 98304; i+=256) //384*256
{
memcpy(buffer,tmpGPU_screen+i,sz);
buffer += ddsd.lPitch;
}
break;
}
case 90:
{
u32 start;
for (j=0; j<256; j++)
{
start=98304+j;
for (i=0; i<384; i++)
{
start-=256;
((u32*)buffer)[i]=((u32 *)tmpGPU_screen)[start];
}
buffer += ddsd.lPitch;
}
break;
}
case 180:
{
u32 start=98300;
for (j=0; j<384; j++)
{
for (i=0; i<256; i++, --start)
((u32*)buffer)[i]=((u32 *)tmpGPU_screen)[start];
buffer += ddsd.lPitch;
}
break;
}
case 270:
{
u32 start;
for (j=0; j<256; j++)
{
start=256-j;
for (i=0; i<384; i++)
{
((u32*)buffer)[i]=((u32 *)tmpGPU_screen)[start];
start+=256;
}
buffer += ddsd.lPitch;
}
break;
}
}
applyRotation[GPU_rotation / 90](tmpGPU_screen, (u32*)buffer, ddsd.lPitch);
}
else
INFO("16bit depth color not supported");
@ -1707,6 +1709,21 @@ void SetRotate(HWND hwnd, int rot)
MainWindow->setMinSize(GPU_width, GPU_height);
MainWindow->setClientSize(newwidth, newheight);
/* Recreate the DirectDraw back buffer */
if (lpBackSurface!=NULL)
{
IDirectDrawSurface7_Release(lpBackSurface);
memset(&ddsd, 0, sizeof(ddsd));
ddsd.dwSize = sizeof(ddsd);
ddsd.dwFlags = DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH;
ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN;
ddsd.dwWidth = GPU_width;
ddsd.dwHeight = GPU_height;
IDirectDraw7_CreateSurface(lpDDraw, &ddsd, &lpBackSurface, NULL);
}
// SetWindowClientSize(hwnd, GPU_width, GPU_height);
MainWindow->checkMenu(IDC_ROTATE0, MF_BYCOMMAND | ((GPU_rotation==0)?MF_CHECKED:MF_UNCHECKED));