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Sweden-Number/dlls/ddraw/dsurface/dib.c

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/* DIBSection DirectDrawSurface driver
*
* Copyright 1997-2000 Marcus Meissner
* Copyright 1998-2000 Lionel Ulmer
* Copyright 2000-2001 TransGaming Technologies Inc.
*/
#include "config.h"
#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include "winerror.h"
#include "bitmap.h"
#include "debugtools.h"
#include "ddraw_private.h"
#include "dsurface/main.h"
#include "dsurface/dib.h"
DEFAULT_DEBUG_CHANNEL(ddraw);
static ICOM_VTABLE(IDirectDrawSurface7) DIB_IDirectDrawSurface7_VTable;
static HRESULT create_dib(IDirectDrawSurfaceImpl* This)
{
BITMAPINFO* b_info;
UINT usage;
HDC ddc;
DIB_DirectDrawSurfaceImpl* priv = This->private;
assert(This->surface_desc.lpSurface != NULL);
switch (This->surface_desc.u4.ddpfPixelFormat.u1.dwRGBBitCount)
{
case 16:
case 32:
/* Allocate extra space to store the RGB bit masks. */
b_info = (BITMAPINFO*)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
sizeof(BITMAPINFOHEADER)
+ 3 * sizeof(DWORD));
break;
case 24:
b_info = (BITMAPINFO*)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
sizeof(BITMAPINFOHEADER));
break;
default:
/* Allocate extra space for a palette. */
b_info = (BITMAPINFO*)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
sizeof(BITMAPINFOHEADER)
+ sizeof(RGBQUAD)
* (1 << This->surface_desc.u4.ddpfPixelFormat.u1.dwRGBBitCount));
break;
}
b_info->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
b_info->bmiHeader.biWidth = This->surface_desc.dwWidth;
b_info->bmiHeader.biHeight = -This->surface_desc.dwHeight;
b_info->bmiHeader.biPlanes = 1;
b_info->bmiHeader.biBitCount = This->surface_desc.u4.ddpfPixelFormat.u1.dwRGBBitCount;
if ((This->surface_desc.u4.ddpfPixelFormat.u1.dwRGBBitCount != 16)
&& (This->surface_desc.u4.ddpfPixelFormat.u1.dwRGBBitCount != 32))
b_info->bmiHeader.biCompression = BI_RGB;
else
b_info->bmiHeader.biCompression = BI_BITFIELDS;
b_info->bmiHeader.biSizeImage
= (This->surface_desc.u4.ddpfPixelFormat.u1.dwRGBBitCount / 8)
* This->surface_desc.dwWidth * This->surface_desc.dwHeight;
b_info->bmiHeader.biXPelsPerMeter = 0;
b_info->bmiHeader.biYPelsPerMeter = 0;
b_info->bmiHeader.biClrUsed = 0;
b_info->bmiHeader.biClrImportant = 0;
switch (This->surface_desc.u4.ddpfPixelFormat.u1.dwRGBBitCount)
{
case 16:
case 32:
{
DWORD *masks = (DWORD *) &(b_info->bmiColors);
usage = 0;
masks[0] = This->surface_desc.u4.ddpfPixelFormat.u2.dwRBitMask;
masks[1] = This->surface_desc.u4.ddpfPixelFormat.u3.dwGBitMask;
masks[2] = This->surface_desc.u4.ddpfPixelFormat.u4.dwBBitMask;
}
break;
case 24:
/* Nothing to do */
usage = DIB_RGB_COLORS;
break;
default:
/* Don't know palette */
usage = 0;
break;
}
ddc = CreateDCA("DISPLAY", NULL, NULL, NULL);
if (ddc == 0)
{
HeapFree(GetProcessHeap(), 0, b_info);
return HRESULT_FROM_WIN32(GetLastError());
}
priv->dib.DIBsection
= DIB_CreateDIBSection(ddc, b_info, usage, &(priv->dib.bitmap_data), 0,
(DWORD)This->surface_desc.lpSurface,
This->surface_desc.u1.lPitch);
DeleteDC(ddc);
if (!priv->dib.DIBsection) {
ERR("CreateDIBSection failed!\n");
HeapFree(GetProcessHeap(), 0, b_info);
return HRESULT_FROM_WIN32(GetLastError());
}
TRACE("DIBSection at : %p\n", priv->dib.bitmap_data);
if (!This->surface_desc.u1.lPitch) {
/* This can't happen, right? */
/* or use GDI_GetObj to get it from the created DIB? */
This->surface_desc.u1.lPitch = DIB_GetDIBWidthBytes(b_info->bmiHeader.biWidth, b_info->bmiHeader.biBitCount);
This->surface_desc.dwFlags |= DDSD_PITCH;
}
if (!This->surface_desc.lpSurface) {
This->surface_desc.lpSurface = priv->dib.bitmap_data;
This->surface_desc.dwFlags |= DDSD_LPSURFACE;
}
HeapFree(GetProcessHeap(), 0, b_info);
/* I don't think it's worth checking for this. */
if (priv->dib.bitmap_data != This->surface_desc.lpSurface)
ERR("unexpected error creating DirectDrawSurface DIB section\n");
/* this seems like a good place to put the handle for HAL driver use */
This->global_more.hKernelSurface = priv->dib.DIBsection;
return S_OK;
}
void DIB_DirectDrawSurface_final_release(IDirectDrawSurfaceImpl* This)
{
DIB_DirectDrawSurfaceImpl* priv = This->private;
DeleteObject(priv->dib.DIBsection);
if (!priv->dib.client_memory)
VirtualFree(This->surface_desc.lpSurface, 0, MEM_RELEASE);
Main_DirectDrawSurface_final_release(This);
}
HRESULT DIB_DirectDrawSurface_duplicate_surface(IDirectDrawSurfaceImpl* This,
LPDIRECTDRAWSURFACE7* ppDup)
{
return DIB_DirectDrawSurface_Create(This->ddraw_owner,
&This->surface_desc, ppDup, NULL);
}
HRESULT DIB_DirectDrawSurface_Construct(IDirectDrawSurfaceImpl *This,
IDirectDrawImpl *pDD,
const DDSURFACEDESC2 *pDDSD)
{
HRESULT hr;
DIB_DirectDrawSurfaceImpl* priv = This->private;
TRACE("(%p)->(%p,%p)\n",This,pDD,pDDSD);
hr = Main_DirectDrawSurface_Construct(This, pDD, pDDSD);
if (FAILED(hr)) return hr;
ICOM_INIT_INTERFACE(This, IDirectDrawSurface7,
DIB_IDirectDrawSurface7_VTable);
This->final_release = DIB_DirectDrawSurface_final_release;
This->duplicate_surface = DIB_DirectDrawSurface_duplicate_surface;
This->flip_data = DIB_DirectDrawSurface_flip_data;
This->get_dc = DIB_DirectDrawSurface_get_dc;
This->release_dc = DIB_DirectDrawSurface_release_dc;
This->hDC = (HDC)NULL;
This->set_palette = DIB_DirectDrawSurface_set_palette;
This->update_palette = DIB_DirectDrawSurface_update_palette;
TRACE("(%ldx%ld, pitch=%ld)\n",
This->surface_desc.dwWidth, This->surface_desc.dwHeight,
This->surface_desc.u1.lPitch);
/* XXX load dwWidth and dwHeight from pDD if they are not specified? */
if (This->surface_desc.dwFlags & DDSD_LPSURFACE)
{
/* "Client memory": it is managed by the application. */
/* XXX What if lPitch is not set? Use dwWidth or fail? */
priv->dib.client_memory = TRUE;
}
else
{
if (!(This->surface_desc.dwFlags & DDSD_PITCH))
{
int pitch = This->surface_desc.u1.lPitch;
if (pitch % 8 != 0)
pitch += 8 - (pitch % 8);
}
/* XXX else: how should lPitch be verified? */
This->surface_desc.dwFlags |= DDSD_PITCH|DDSD_LPSURFACE;
This->surface_desc.lpSurface
= VirtualAlloc(NULL, This->surface_desc.u1.lPitch
* This->surface_desc.dwHeight,
MEM_RESERVE | MEM_COMMIT, PAGE_READWRITE);
if (This->surface_desc.lpSurface == NULL)
{
Main_DirectDrawSurface_final_release(This);
return HRESULT_FROM_WIN32(GetLastError());
}
priv->dib.client_memory = FALSE;
}
hr = create_dib(This);
if (FAILED(hr))
{
if (!priv->dib.client_memory)
VirtualFree(This->surface_desc.lpSurface, 0, MEM_RELEASE);
Main_DirectDrawSurface_final_release(This);
return hr;
}
return DD_OK;
}
/* Not an API */
HRESULT DIB_DirectDrawSurface_Create(IDirectDrawImpl *pDD,
const DDSURFACEDESC2 *pDDSD,
LPDIRECTDRAWSURFACE7 *ppSurf,
IUnknown *pUnkOuter)
{
IDirectDrawSurfaceImpl* This;
HRESULT hr;
assert(pUnkOuter == NULL);
This = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
sizeof(*This) + sizeof(DIB_DirectDrawSurfaceImpl));
if (This == NULL) return E_OUTOFMEMORY;
This->private = (DIB_DirectDrawSurfaceImpl*)(This+1);
hr = DIB_DirectDrawSurface_Construct(This, pDD, pDDSD);
if (FAILED(hr))
HeapFree(GetProcessHeap(), 0, This);
else
*ppSurf = ICOM_INTERFACE(This, IDirectDrawSurface7);
return hr;
}
/* AddAttachedSurface: generic */
/* AddOverlayDirtyRect: generic, unimplemented */
static HRESULT _Blt_ColorFill(
LPBYTE buf, int width, int height, int bpp, LONG lPitch, DWORD color
) {
int x, y;
LPBYTE first;
/* Do first row */
#define COLORFILL_ROW(type) { \
type *d = (type *) buf; \
for (x = 0; x < width; x++) \
d[x] = (type) color; \
break; \
}
switch(bpp) {
case 1: COLORFILL_ROW(BYTE)
case 2: COLORFILL_ROW(WORD)
case 4: COLORFILL_ROW(DWORD)
default:
FIXME("Color fill not implemented for bpp %d!\n", bpp*8);
return DDERR_UNSUPPORTED;
}
#undef COLORFILL_ROW
/* Now copy first row */
first = buf;
for (y = 1; y < height; y++) {
buf += lPitch;
memcpy(buf, first, width * bpp);
}
return DD_OK;
}
HRESULT WINAPI
DIB_DirectDrawSurface_Blt(LPDIRECTDRAWSURFACE7 iface, LPRECT rdst,
LPDIRECTDRAWSURFACE7 src, LPRECT rsrc,
DWORD dwFlags, LPDDBLTFX lpbltfx)
{
ICOM_THIS(IDirectDrawSurfaceImpl,iface);
RECT xdst,xsrc;
DDSURFACEDESC2 ddesc,sdesc;
HRESULT ret = DD_OK;
int bpp, srcheight, srcwidth, dstheight, dstwidth, width;
int x, y;
LPBYTE dbuf, sbuf;
TRACE("(%p)->(%p,%p,%p,%08lx,%p)\n", This,rdst,src,rsrc,dwFlags,lpbltfx);
DD_STRUCT_INIT(&ddesc);
DD_STRUCT_INIT(&sdesc);
sdesc.dwSize = sizeof(sdesc);
if (src) IDirectDrawSurface7_Lock(src, NULL, &sdesc, 0, 0);
ddesc.dwSize = sizeof(ddesc);
IDirectDrawSurface7_Lock(iface,NULL,&ddesc,0,0);
if (TRACE_ON(ddraw)) {
if (rdst) TRACE("\tdestrect :%dx%d-%dx%d\n",rdst->left,rdst->top,rdst->right,rdst->bottom);
if (rsrc) TRACE("\tsrcrect :%dx%d-%dx%d\n",rsrc->left,rsrc->top,rsrc->right,rsrc->bottom);
TRACE("\tflags: ");
DDRAW_dump_DDBLT(dwFlags);
if (dwFlags & DDBLT_DDFX) {
TRACE("\tblitfx: ");
DDRAW_dump_DDBLTFX(lpbltfx->dwDDFX);
}
}
if (rdst) {
if ((rdst->top < 0) ||
(rdst->left < 0) ||
(rdst->bottom < 0) ||
(rdst->right < 0)) {
ERR(" Negative values in LPRECT !!!\n");
goto release;
}
memcpy(&xdst,rdst,sizeof(xdst));
} else {
xdst.top = 0;
xdst.bottom = ddesc.dwHeight;
xdst.left = 0;
xdst.right = ddesc.dwWidth;
}
if (rsrc) {
if ((rsrc->top < 0) ||
(rsrc->left < 0) ||
(rsrc->bottom < 0) ||
(rsrc->right < 0)) {
ERR(" Negative values in LPRECT !!!\n");
goto release;
}
memcpy(&xsrc,rsrc,sizeof(xsrc));
} else {
if (src) {
xsrc.top = 0;
xsrc.bottom = sdesc.dwHeight;
xsrc.left = 0;
xsrc.right = sdesc.dwWidth;
} else {
memset(&xsrc,0,sizeof(xsrc));
}
}
if (src) assert((xsrc.bottom-xsrc.top) <= sdesc.dwHeight);
assert((xdst.bottom-xdst.top) <= ddesc.dwHeight);
bpp = GET_BPP(ddesc);
srcheight = xsrc.bottom - xsrc.top;
srcwidth = xsrc.right - xsrc.left;
dstheight = xdst.bottom - xdst.top;
dstwidth = xdst.right - xdst.left;
width = (xdst.right - xdst.left) * bpp;
assert(width <= ddesc.u1.lPitch);
dbuf = (BYTE*)ddesc.lpSurface+(xdst.top*ddesc.u1.lPitch)+(xdst.left*bpp);
dwFlags &= ~(DDBLT_WAIT|DDBLT_ASYNC);/* FIXME: can't handle right now */
/* First, all the 'source-less' blits */
if (dwFlags & DDBLT_COLORFILL) {
ret = _Blt_ColorFill(dbuf, dstwidth, dstheight, bpp,
ddesc.u1.lPitch, lpbltfx->u5.dwFillColor);
dwFlags &= ~DDBLT_COLORFILL;
}
if (dwFlags & DDBLT_DEPTHFILL)
FIXME("DDBLT_DEPTHFILL needs to be implemented!\n");
if (dwFlags & DDBLT_ROP) {
/* Catch some degenerate cases here */
switch(lpbltfx->dwROP) {
case BLACKNESS:
ret = _Blt_ColorFill(dbuf,dstwidth,dstheight,bpp,ddesc.u1.lPitch,0);
break;
case 0xAA0029: /* No-op */
break;
case WHITENESS:
ret = _Blt_ColorFill(dbuf,dstwidth,dstheight,bpp,ddesc.u1.lPitch,~0);
break;
case SRCCOPY: /* well, we do that below ? */
break;
default:
FIXME("Unsupported raster op: %08lx Pattern: %p\n", lpbltfx->dwROP, lpbltfx->u5.lpDDSPattern);
goto error;
}
dwFlags &= ~DDBLT_ROP;
}
if (dwFlags & DDBLT_DDROPS) {
FIXME("\tDdraw Raster Ops: %08lx Pattern: %p\n", lpbltfx->dwDDROP, lpbltfx->u5.lpDDSPattern);
}
/* Now the 'with source' blits */
if (src) {
LPBYTE sbase;
int sx, xinc, sy, yinc;
if (!dstwidth || !dstheight) /* hmm... stupid program ? */
goto release;
sbase = (BYTE*)sdesc.lpSurface+(xsrc.top*sdesc.u1.lPitch)+xsrc.left*bpp;
xinc = (srcwidth << 16) / dstwidth;
yinc = (srcheight << 16) / dstheight;
if (!dwFlags) {
/* No effects, we can cheat here */
if (dstwidth == srcwidth) {
if (dstheight == srcheight) {
/* No stretching in either direction. This needs to be as
* fast as possible */
sbuf = sbase;
for (y = 0; y < dstheight; y++) {
memcpy(dbuf, sbuf, width);
sbuf += sdesc.u1.lPitch;
dbuf += ddesc.u1.lPitch;
}
} else {
/* Stretching in Y direction only */
for (y = sy = 0; y < dstheight; y++, sy += yinc) {
sbuf = sbase + (sy >> 16) * sdesc.u1.lPitch;
memcpy(dbuf, sbuf, width);
dbuf += ddesc.u1.lPitch;
}
}
} else {
/* Stretching in X direction */
int last_sy = -1;
for (y = sy = 0; y < dstheight; y++, sy += yinc) {
sbuf = sbase + (sy >> 16) * sdesc.u1.lPitch;
if ((sy >> 16) == (last_sy >> 16)) {
/* this sourcerow is the same as last sourcerow -
* copy already stretched row
*/
memcpy(dbuf, dbuf - ddesc.u1.lPitch, width);
} else {
#define STRETCH_ROW(type) { \
type *s = (type *) sbuf, *d = (type *) dbuf; \
for (x = sx = 0; x < dstwidth; x++, sx += xinc) \
d[x] = s[sx >> 16]; \
break; }
switch(bpp) {
case 1: STRETCH_ROW(BYTE)
case 2: STRETCH_ROW(WORD)
case 4: STRETCH_ROW(DWORD)
case 3: {
LPBYTE s,d = dbuf;
for (x = sx = 0; x < dstwidth; x++, sx+= xinc) {
DWORD pixel;
s = sbuf+3*(sx>>16);
pixel = (s[0]<<16)|(s[1]<<8)|s[2];
d[0] = (pixel>>16)&0xff;
d[1] = (pixel>> 8)&0xff;
d[2] = (pixel )&0xff;
d+=3;
}
break;
}
default:
FIXME("Stretched blit not implemented for bpp %d!\n", bpp*8);
ret = DDERR_UNSUPPORTED;
goto error;
}
#undef STRETCH_ROW
}
dbuf += ddesc.u1.lPitch;
last_sy = sy;
}
}
} else if (dwFlags & (DDBLT_KEYSRC | DDBLT_KEYDEST)) {
DWORD keylow, keyhigh;
if (dwFlags & DDBLT_KEYSRC) {
keylow = sdesc.ddckCKSrcBlt.dwColorSpaceLowValue;
keyhigh = sdesc.ddckCKSrcBlt.dwColorSpaceHighValue;
} else {
/* I'm not sure if this is correct */
FIXME("DDBLT_KEYDEST not fully supported yet.\n");
keylow = ddesc.ddckCKDestBlt.dwColorSpaceLowValue;
keyhigh = ddesc.ddckCKDestBlt.dwColorSpaceHighValue;
}
for (y = sy = 0; y < dstheight; y++, sy += yinc) {
sbuf = sbase + (sy >> 16) * sdesc.u1.lPitch;
#define COPYROW_COLORKEY(type) { \
type *s = (type *) sbuf, *d = (type *) dbuf, tmp; \
for (x = sx = 0; x < dstwidth; x++, sx += xinc) { \
tmp = s[sx >> 16]; \
if (tmp < keylow || tmp > keyhigh) d[x] = tmp; \
} \
break; }
switch (bpp) {
case 1: COPYROW_COLORKEY(BYTE)
case 2: COPYROW_COLORKEY(WORD)
case 4: COPYROW_COLORKEY(DWORD)
default:
FIXME("%s color-keyed blit not implemented for bpp %d!\n",
(dwFlags & DDBLT_KEYSRC) ? "Source" : "Destination", bpp*8);
ret = DDERR_UNSUPPORTED;
goto error;
}
dbuf += ddesc.u1.lPitch;
}
#undef COPYROW_COLORKEY
dwFlags &= ~(DDBLT_KEYSRC | DDBLT_KEYDEST);
}
}
error:
if (dwFlags && FIXME_ON(ddraw)) {
FIXME("\tUnsupported flags: ");
DDRAW_dump_DDBLT(dwFlags);
}
release:
IDirectDrawSurface7_Unlock(iface,NULL);
if (src) IDirectDrawSurface7_Unlock(src,NULL);
return DD_OK;
}
/* BltBatch: generic, unimplemented */
HRESULT WINAPI
DIB_DirectDrawSurface_BltFast(LPDIRECTDRAWSURFACE7 iface, DWORD dstx,
DWORD dsty, LPDIRECTDRAWSURFACE7 src,
LPRECT rsrc, DWORD trans)
{
ICOM_THIS(IDirectDrawSurfaceImpl,iface);
int bpp, w, h, x, y;
DDSURFACEDESC2 ddesc,sdesc;
HRESULT ret = DD_OK;
LPBYTE sbuf, dbuf;
RECT rsrc2;
if (TRACE_ON(ddraw)) {
FIXME("(%p)->(%ld,%ld,%p,%p,%08lx)\n",
This,dstx,dsty,src,rsrc,trans
);
FIXME(" trans:");
if (FIXME_ON(ddraw))
DDRAW_dump_DDBLTFAST(trans);
if (rsrc)
FIXME("\tsrcrect: %dx%d-%dx%d\n",rsrc->left,rsrc->top,rsrc->right,rsrc->bottom);
else
FIXME(" srcrect: NULL\n");
}
/* We need to lock the surfaces, or we won't get refreshes when done. */
sdesc.dwSize = sizeof(sdesc);
IDirectDrawSurface7_Lock(src, NULL,&sdesc,DDLOCK_READONLY, 0);
ddesc.dwSize = sizeof(ddesc);
IDirectDrawSurface7_Lock(iface,NULL,&ddesc,DDLOCK_WRITEONLY,0);
if (!rsrc) {
WARN("rsrc is NULL!\n");
rsrc = &rsrc2;
rsrc->left = rsrc->top = 0;
rsrc->right = sdesc.dwWidth;
rsrc->bottom = sdesc.dwHeight;
}
bpp = GET_BPP(This->surface_desc);
sbuf = (BYTE *)sdesc.lpSurface+(rsrc->top*sdesc.u1.lPitch)+rsrc->left*bpp;
dbuf = (BYTE *)ddesc.lpSurface+(dsty*ddesc.u1.lPitch)+dstx* bpp;
h=rsrc->bottom-rsrc->top;
if (h>ddesc.dwHeight-dsty) h=ddesc.dwHeight-dsty;
if (h>sdesc.dwHeight-rsrc->top) h=sdesc.dwHeight-rsrc->top;
if (h<0) h=0;
w=rsrc->right-rsrc->left;
if (w>ddesc.dwWidth-dstx) w=ddesc.dwWidth-dstx;
if (w>sdesc.dwWidth-rsrc->left) w=sdesc.dwWidth-rsrc->left;
if (w<0) w=0;
if (trans & (DDBLTFAST_SRCCOLORKEY | DDBLTFAST_DESTCOLORKEY)) {
DWORD keylow, keyhigh;
if (trans & DDBLTFAST_SRCCOLORKEY) {
keylow = sdesc.ddckCKSrcBlt.dwColorSpaceLowValue;
keyhigh = sdesc.ddckCKSrcBlt.dwColorSpaceHighValue;
} else {
/* I'm not sure if this is correct */
FIXME("DDBLTFAST_DESTCOLORKEY not fully supported yet.\n");
keylow = ddesc.ddckCKDestBlt.dwColorSpaceLowValue;
keyhigh = ddesc.ddckCKDestBlt.dwColorSpaceHighValue;
}
#define COPYBOX_COLORKEY(type) { \
type *d = (type *)dbuf, *s = (type *)sbuf, tmp; \
s = (type *) ((BYTE *) sdesc.lpSurface + (rsrc->top * sdesc.u1.lPitch) + rsrc->left * bpp); \
d = (type *) ((BYTE *) ddesc.lpSurface + (dsty * ddesc.u1.lPitch) + dstx * bpp); \
for (y = 0; y < h; y++) { \
for (x = 0; x < w; x++) { \
tmp = s[x]; \
if (tmp < keylow || tmp > keyhigh) d[x] = tmp; \
} \
(LPBYTE)s += sdesc.u1.lPitch; \
(LPBYTE)d += ddesc.u1.lPitch; \
} \
break; \
}
switch (bpp) {
case 1: COPYBOX_COLORKEY(BYTE)
case 2: COPYBOX_COLORKEY(WORD)
case 4: COPYBOX_COLORKEY(DWORD)
default:
FIXME("Source color key blitting not supported for bpp %d\n",bpp*8);
ret = DDERR_UNSUPPORTED;
goto error;
}
#undef COPYBOX_COLORKEY
} else {
int width = w * bpp;
for (y = 0; y < h; y++) {
memcpy(dbuf, sbuf, width);
sbuf += sdesc.u1.lPitch;
dbuf += ddesc.u1.lPitch;
}
}
error:
IDirectDrawSurface7_Unlock(iface, NULL);
IDirectDrawSurface7_Unlock(src, NULL);
return ret;
}
/* ChangeUniquenessValue: generic */
/* DeleteAttachedSurface: generic */
/* EnumAttachedSurfaces: generic */
/* EnumOverlayZOrders: generic, unimplemented */
BOOL DIB_DirectDrawSurface_flip_data(IDirectDrawSurfaceImpl* front,
IDirectDrawSurfaceImpl* back,
DWORD dwFlags)
{
DIB_DirectDrawSurfaceImpl* front_priv = front->private;
DIB_DirectDrawSurfaceImpl* back_priv = back->private;
TRACE("(%p,%p)\n",front,back);
{
HBITMAP tmp;
tmp = front_priv->dib.DIBsection;
front_priv->dib.DIBsection = back_priv->dib.DIBsection;
back_priv->dib.DIBsection = tmp;
}
{
void* tmp;
tmp = front_priv->dib.bitmap_data;
front_priv->dib.bitmap_data = back_priv->dib.bitmap_data;
back_priv->dib.bitmap_data = tmp;
tmp = front->surface_desc.lpSurface;
front->surface_desc.lpSurface = back->surface_desc.lpSurface;
back->surface_desc.lpSurface = tmp;
}
/* client_memory should not be different, but just in case */
{
BOOL tmp;
tmp = front_priv->dib.client_memory;
front_priv->dib.client_memory = back_priv->dib.client_memory;
back_priv->dib.client_memory = tmp;
}
return Main_DirectDrawSurface_flip_data(front, back, dwFlags);
}
/* Flip: generic */
/* FreePrivateData: generic */
/* GetAttachedSurface: generic */
/* GetBltStatus: generic */
/* GetCaps: generic (Returns the caps from This->surface_desc.) */
/* GetClipper: generic */
/* GetColorKey: generic */
HRESULT DIB_DirectDrawSurface_alloc_dc(IDirectDrawSurfaceImpl* This, HDC* phDC)
{
DIB_PRIV_VAR(priv, This);
HDC hDC;
TRACE("Grabbing a DC for surface: %p\n", This);
hDC = CreateCompatibleDC(0);
priv->dib.holdbitmap = SelectObject(hDC, priv->dib.DIBsection);
if (This->palette)
SelectPalette(hDC, This->palette->hpal, FALSE);
*phDC = hDC;
return S_OK;
}
HRESULT DIB_DirectDrawSurface_free_dc(IDirectDrawSurfaceImpl* This, HDC hDC)
{
DIB_PRIV_VAR(priv, This);
TRACE("Releasing DC for surface: %p\n", This);
SelectObject(hDC, priv->dib.holdbitmap);
DeleteDC(hDC);
return S_OK;
}
HRESULT DIB_DirectDrawSurface_get_dc(IDirectDrawSurfaceImpl* This, HDC* phDC)
{
return DIB_DirectDrawSurface_alloc_dc(This, phDC);
}
HRESULT DIB_DirectDrawSurface_release_dc(IDirectDrawSurfaceImpl* This, HDC hDC)
{
return DIB_DirectDrawSurface_free_dc(This, hDC);
}
/* GetDDInterface: generic */
/* GetFlipStatus: generic */
/* GetLOD: generic */
/* GetOverlayPosition: generic */
/* GetPalette: generic */
/* GetPixelFormat: generic */
/* GetPriority: generic */
/* GetPrivateData: generic */
/* GetSurfaceDesc: generic */
/* GetUniquenessValue: generic */
/* Initialize: generic */
/* IsLost: generic */
/* Lock: generic with callback? */
/* PageLock: generic */
/* PageUnlock: generic */
HRESULT WINAPI
DIB_DirectDrawSurface_Restore(LPDIRECTDRAWSURFACE7 iface)
{
TRACE("(%p)\n",iface);
return DD_OK; /* ??? */
}
/* SetClipper: generic */
/* SetColorKey: generic */
/* SetLOD: generic */
/* SetOverlayPosition: generic */
void DIB_DirectDrawSurface_set_palette(IDirectDrawSurfaceImpl* This,
IDirectDrawPaletteImpl* pal)
{
if (!pal) return;
if (This->surface_desc.ddsCaps.dwCaps & DDSCAPS_PRIMARYSURFACE)
This->update_palette(This, pal,
0, pal->palNumEntries,
pal->palents);
}
void DIB_DirectDrawSurface_update_palette(IDirectDrawSurfaceImpl* This,
IDirectDrawPaletteImpl* pal,
DWORD dwStart, DWORD dwCount,
LPPALETTEENTRY palent)
{
RGBQUAD col[256];
int n;
HDC dc;
TRACE("updating primary palette\n");
for (n=0; n<dwCount; n++) {
col[n].rgbRed = palent[n].peRed;
col[n].rgbGreen = palent[n].peGreen;
col[n].rgbBlue = palent[n].peBlue;
col[n].rgbReserved = 0;
}
This->get_dc(This, &dc);
SetDIBColorTable(dc, dwStart, dwCount, col);
This->release_dc(This, dc);
/* Propagate change to backbuffers if there are any */
/* Basically this is a modification of the Flip code to find the backbuffer */
/* and duplicate the palette update there as well */
if ((This->surface_desc.ddsCaps.dwCaps&(DDSCAPS_FLIP|DDSCAPS_FRONTBUFFER))
== (DDSCAPS_FLIP|DDSCAPS_FRONTBUFFER))
{
static DDSCAPS2 back_caps = { DDSCAPS_BACKBUFFER };
LPDIRECTDRAWSURFACE7 tgt;
HRESULT hr = IDirectDrawSurface7_GetAttachedSurface(ICOM_INTERFACE(This,IDirectDrawSurface7),
&back_caps, &tgt);
if (!FAILED(hr))
{
IDirectDrawSurfaceImpl* target = ICOM_OBJECT(IDirectDrawSurfaceImpl,
IDirectDrawSurface7,tgt);
IDirectDrawSurface7_Release(tgt);
target->get_dc(target, &dc);
SetDIBColorTable(dc, dwStart, dwCount, col);
target->release_dc(target, dc);
}
}
}
/* SetPalette: generic */
/* SetPriority: generic */
/* SetPrivateData: generic */
HRESULT WINAPI
DIB_DirectDrawSurface_SetSurfaceDesc(LPDIRECTDRAWSURFACE7 iface,
LPDDSURFACEDESC2 pDDSD, DWORD dwFlags)
{
ICOM_THIS(IDirectDrawSurfaceImpl,iface);
DIB_PRIV_VAR(priv, This);
HRESULT hr = DD_OK;
TRACE("(%p)->(%p,%08lx)\n",iface,pDDSD,dwFlags);
if (pDDSD->dwFlags == DDSD_LPSURFACE) {
HBITMAP oldbmp = priv->dib.DIBsection;
LPVOID oldsurf = This->surface_desc.lpSurface;
BOOL oldc = priv->dib.client_memory;
TRACE("new lpSurface=%p\n",pDDSD->lpSurface);
This->surface_desc.lpSurface = pDDSD->lpSurface;
priv->dib.client_memory = TRUE;
hr = create_dib(This);
if (FAILED(hr))
{
priv->dib.DIBsection = oldbmp;
This->surface_desc.lpSurface = oldsurf;
priv->dib.client_memory = oldc;
return hr;
}
DeleteObject(oldbmp);
if (!oldc)
VirtualFree(oldsurf, 0, MEM_RELEASE);
return hr;
}
else {
FIXME("flags=%08lx\n",pDDSD->dwFlags);
abort();
hr = E_FAIL;
}
return hr;
}
/* Unlock: ???, need callback */
/* UpdateOverlay: generic */
/* UpdateOverlayDisplay: generic */
/* UpdateOverlayZOrder: generic */
static ICOM_VTABLE(IDirectDrawSurface7) DIB_IDirectDrawSurface7_VTable =
{
Main_DirectDrawSurface_QueryInterface,
Main_DirectDrawSurface_AddRef,
Main_DirectDrawSurface_Release,
Main_DirectDrawSurface_AddAttachedSurface,
Main_DirectDrawSurface_AddOverlayDirtyRect,
DIB_DirectDrawSurface_Blt,
Main_DirectDrawSurface_BltBatch,
DIB_DirectDrawSurface_BltFast,
Main_DirectDrawSurface_DeleteAttachedSurface,
Main_DirectDrawSurface_EnumAttachedSurfaces,
Main_DirectDrawSurface_EnumOverlayZOrders,
Main_DirectDrawSurface_Flip,
Main_DirectDrawSurface_GetAttachedSurface,
Main_DirectDrawSurface_GetBltStatus,
Main_DirectDrawSurface_GetCaps,
Main_DirectDrawSurface_GetClipper,
Main_DirectDrawSurface_GetColorKey,
Main_DirectDrawSurface_GetDC,
Main_DirectDrawSurface_GetFlipStatus,
Main_DirectDrawSurface_GetOverlayPosition,
Main_DirectDrawSurface_GetPalette,
Main_DirectDrawSurface_GetPixelFormat,
Main_DirectDrawSurface_GetSurfaceDesc,
Main_DirectDrawSurface_Initialize,
Main_DirectDrawSurface_IsLost,
Main_DirectDrawSurface_Lock,
Main_DirectDrawSurface_ReleaseDC,
DIB_DirectDrawSurface_Restore,
Main_DirectDrawSurface_SetClipper,
Main_DirectDrawSurface_SetColorKey,
Main_DirectDrawSurface_SetOverlayPosition,
Main_DirectDrawSurface_SetPalette,
Main_DirectDrawSurface_Unlock,
Main_DirectDrawSurface_UpdateOverlay,
Main_DirectDrawSurface_UpdateOverlayDisplay,
Main_DirectDrawSurface_UpdateOverlayZOrder,
Main_DirectDrawSurface_GetDDInterface,
Main_DirectDrawSurface_PageLock,
Main_DirectDrawSurface_PageUnlock,
DIB_DirectDrawSurface_SetSurfaceDesc,
Main_DirectDrawSurface_SetPrivateData,
Main_DirectDrawSurface_GetPrivateData,
Main_DirectDrawSurface_FreePrivateData,
Main_DirectDrawSurface_GetUniquenessValue,
Main_DirectDrawSurface_ChangeUniquenessValue,
Main_DirectDrawSurface_SetPriority,
Main_DirectDrawSurface_GetPriority,
Main_DirectDrawSurface_SetLOD,
Main_DirectDrawSurface_GetLOD
};
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