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wine/dlls/ddraw/dsurface/dib.c
Matthew Mastracci 9eead12471 If a FOURCC surface specifies DDSD_PITCH, use that instead of 
dwLinearSize.
2005-03-21 10:28:09 +00:00

1435 lines
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/* DIBSection DirectDrawSurface driver
*
* Copyright 1997-2000 Marcus Meissner
* Copyright 1998-2000 Lionel Ulmer
* Copyright 2000-2001 TransGaming Technologies Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#include <assert.h>
#include <stdlib.h>
#include <string.h>
#define NONAMELESSUNION
#define NONAMELESSSTRUCT
#include "winerror.h"
#include "wine/debug.h"
#include "ddraw_private.h"
#include "d3d_private.h"
#include "dsurface/main.h"
#include "dsurface/dib.h"
WINE_DEFAULT_DEBUG_CHANNEL(ddraw);
/* FIXME */
extern HBITMAP DIB_CreateDIBSection( HDC hdc, const BITMAPINFO *bmi, UINT usage, VOID **bits,
HANDLE section, DWORD offset, DWORD ovr_pitch );
static IDirectDrawSurface7Vtbl DIB_IDirectDrawSurface7_VTable;
/* Return the width of a DIB bitmap in bytes. DIB bitmap data is 32-bit aligned. */
inline static int get_dib_width_bytes( int width, int depth )
{
int words;
switch(depth)
{
case 1: words = (width + 31) / 32; break;
case 4: words = (width + 7) / 8; break;
case 8: words = (width + 3) / 4; break;
case 15:
case 16: words = (width + 1) / 2; break;
case 24: words = (width * 3 + 3)/4; break;
default:
WARN("(%d): Unsupported depth\n", depth );
/* fall through */
case 32: words = width; break;
}
return 4 * words;
}
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;
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 = get_dib_width_bytes(b_info->bmiHeader.biWidth, b_info->bmiHeader.biBitCount);
This->surface_desc.dwFlags |= DDSD_PITCH;
}
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.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 = (ULONG_PTR)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 = 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_LPSURFACE;
/* Ensure that DDSD_PITCH is respected for DDPF_FOURCC surfaces too */
if (This->surface_desc.u4.ddpfPixelFormat.dwFlags & DDPF_FOURCC && !(This->surface_desc.dwFlags & DDSD_PITCH)) {
This->surface_desc.lpSurface
= VirtualAlloc(NULL, This->surface_desc.u1.dwLinearSize, MEM_COMMIT, PAGE_READWRITE);
This->surface_desc.dwFlags |= DDSD_LINEARSIZE;
} else {
This->surface_desc.lpSurface
= VirtualAlloc(NULL, This->surface_desc.u1.lPitch
* This->surface_desc.dwHeight + 4, /* The + 4 here is for dumb games reading after the end of the surface
when reading the last byte / half using word access */
MEM_COMMIT, PAGE_READWRITE);
This->surface_desc.dwFlags |= DDSD_PITCH;
}
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 3: { BYTE *d = (BYTE *) buf;
for (x = 0; x < width; x++,d+=3) {
d[0] = (color ) & 0xFF;
d[1] = (color>> 8) & 0xFF;
d[2] = (color>>16) & 0xFF;
}
break;}
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;
}
static void ComputeShifts(DWORD mask, DWORD* lshift, DWORD* rshift)
{
int pos = 0;
int bits = 0;
*lshift = 0;
*rshift = 0;
if (!mask)
return;
while(!(mask & (1 << pos)))
pos++;
while(mask & (1 << (pos+bits)))
bits++;
*lshift = pos;
*rshift = 8 - bits;
}
/* This is used to factorize the decompression between the Blt and BltFast code */
static void DoDXTCDecompression(const DDSURFACEDESC2 *sdesc, const DDSURFACEDESC2 *ddesc)
{
DWORD rs,rb,rm;
DWORD gs,gb,gm;
DWORD bs,bb,bm;
DWORD as,ab,am;
if (!s3tc_initialized) {
/* FIXME: We may fake this by rendering the texture into the framebuffer using OpenGL functions and reading back
* the framebuffer. This will be slow and somewhat ugly. */
FIXME("Manual S3TC decompression is not supported in native mode\n");
return;
}
rm = ddesc->u4.ddpfPixelFormat.u2.dwRBitMask;
ComputeShifts(rm, &rs, &rb);
gm = ddesc->u4.ddpfPixelFormat.u3.dwGBitMask;
ComputeShifts(gm, &gs, &gb);
bm = ddesc->u4.ddpfPixelFormat.u4.dwBBitMask;
ComputeShifts(bm, &bs, &bb);
am = ddesc->u4.ddpfPixelFormat.u5.dwRGBAlphaBitMask;
ComputeShifts(am, &as, &ab);
if (sdesc->u4.ddpfPixelFormat.dwFourCC == MAKE_FOURCC('D','X','T','1')) {
int is16 = ddesc->u4.ddpfPixelFormat.u1.dwRGBBitCount == 16;
int pitch = ddesc->u1.lPitch;
int width = ddesc->dwWidth;
int height = ddesc->dwHeight;
int x,y;
char* dst = (char*) ddesc->lpSurface;
char* src = (char*) sdesc->lpSurface;
for (x = 0; x < width; x++)
for (y =0; y < height; y++) {
DWORD pixel = 0;
BYTE data[4];
(*fetch_2d_texel_rgba_dxt1)(width, src, x, y, data);
pixel = 0;
pixel |= ((data[0] >> rb) << rs) & rm;
pixel |= ((data[1] >> gb) << gs) & gm;
pixel |= ((data[2] >> bb) << bs) & bm;
pixel |= ((data[3] >> ab) << as) & am;
if (is16)
*((WORD*)(dst+y*pitch+x*(is16?2:4))) = pixel;
else
*((DWORD*)(dst+y*pitch+x*(is16?2:4))) = pixel;
}
} else if (sdesc->u4.ddpfPixelFormat.dwFourCC == MAKE_FOURCC('D','X','T','3')) {
int is16 = ddesc->u4.ddpfPixelFormat.u1.dwRGBBitCount == 16;
int pitch = ddesc->u1.lPitch;
int width = ddesc->dwWidth;
int height = ddesc->dwHeight;
int x,y;
char* dst = (char*) ddesc->lpSurface;
char* src = (char*) sdesc->lpSurface;
for (x = 0; x < width; x++)
for (y =0; y < height; y++) {
DWORD pixel = 0;
BYTE data[4];
(*fetch_2d_texel_rgba_dxt3)(width, src, x, y, data);
pixel = 0;
pixel |= ((data[0] >> rb) << rs) & rm;
pixel |= ((data[1] >> gb) << gs) & gm;
pixel |= ((data[2] >> bb) << bs) & bm;
pixel |= ((data[3] >> ab) << as) & am;
if (is16)
*((WORD*)(dst+y*pitch+x*(is16?2:4))) = pixel;
else
*((DWORD*)(dst+y*pitch+x*(is16?2:4))) = pixel;
}
} else if (sdesc->u4.ddpfPixelFormat.dwFourCC == MAKE_FOURCC('D','X','T','5')) {
int is16 = ddesc->u4.ddpfPixelFormat.u1.dwRGBBitCount == 16;
int pitch = ddesc->u1.lPitch;
int width = ddesc->dwWidth;
int height = ddesc->dwHeight;
int x,y;
char* dst = (char*) ddesc->lpSurface;
char* src = (char*) sdesc->lpSurface;
for (x = 0; x < width; x++)
for (y =0; y < height; y++) {
DWORD pixel = 0;
BYTE data[4];
(*fetch_2d_texel_rgba_dxt5)(width, src, x, y, data);
pixel = 0;
pixel |= ((data[0] >> rb) << rs) & rm;
pixel |= ((data[1] >> gb) << gs) & gm;
pixel |= ((data[2] >> bb) << bs) & bm;
pixel |= ((data[3] >> ab) << as) & am;
if (is16)
*((WORD*)(dst+y*pitch+x*(is16?2:4))) = pixel;
else
*((DWORD*)(dst+y*pitch+x*(is16?2:4))) = pixel;
}
}
#if 0 /* Usefull for debugging */
{
static int idx;
char texname[255];
FILE* f;
sprintf(texname, "dxt_%d.pnm", idx++);
f = fopen(texname,"w");
DDRAW_dump_surface_to_disk(This, f, 1);
fclose(f);
}
#endif
}
HRESULT WINAPI
DIB_DirectDrawSurface_Blt(LPDIRECTDRAWSURFACE7 iface, LPRECT rdst,
LPDIRECTDRAWSURFACE7 src, LPRECT rsrc,
DWORD dwFlags, LPDDBLTFX lpbltfx)
{
IDirectDrawSurfaceImpl *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);
if (TRACE_ON(ddraw)) {
if (rdst) TRACE("\tdestrect :%ldx%ld-%ldx%ld\n",rdst->left,rdst->top,rdst->right,rdst->bottom);
if (rsrc) TRACE("\tsrcrect :%ldx%ld-%ldx%ld\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 ((This->locked) || ((src != NULL) && (((IDirectDrawSurfaceImpl *)src)->locked))) {
WARN(" Surface is busy, returning DDERR_SURFACEBUSY\n");
return DDERR_SURFACEBUSY;
}
/* First, check if the possible override function handles this case */
if (This->aux_blt != NULL) {
if (This->aux_blt(This, rdst, src, rsrc, dwFlags, lpbltfx) == DD_OK) return DD_OK;
}
DD_STRUCT_INIT(&ddesc);
DD_STRUCT_INIT(&sdesc);
sdesc.dwSize = sizeof(sdesc);
if (src) IDirectDrawSurface7_Lock(src, NULL, &sdesc, DDLOCK_READONLY, 0);
ddesc.dwSize = sizeof(ddesc);
IDirectDrawSurface7_Lock(iface,NULL,&ddesc,DDLOCK_WRITEONLY,0);
if ((sdesc.u4.ddpfPixelFormat.dwFlags & DDPF_FOURCC) &&
(ddesc.u4.ddpfPixelFormat.dwFlags & DDPF_FOURCC)) {
if (sdesc.u4.ddpfPixelFormat.dwFourCC != sdesc.u4.ddpfPixelFormat.dwFourCC) {
FIXME("FOURCC->FOURCC copy only supported for the same type of surface\n");
ret = DDERR_INVALIDPIXELFORMAT;
goto release;
}
memcpy(ddesc.lpSurface, sdesc.lpSurface, ddesc.u1.dwLinearSize);
goto release;
}
if ((sdesc.u4.ddpfPixelFormat.dwFlags & DDPF_FOURCC) &&
(!(ddesc.u4.ddpfPixelFormat.dwFlags & DDPF_FOURCC))) {
DoDXTCDecompression(&sdesc, &ddesc);
goto release;
}
if (rdst) {
memcpy(&xdst,rdst,sizeof(xdst));
} else {
xdst.top = 0;
xdst.bottom = ddesc.dwHeight;
xdst.left = 0;
xdst.right = ddesc.dwWidth;
}
if (rsrc) {
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));
}
}
/* First check for the validity of source / destination rectangles. This was
verified using a test application + by MSDN.
*/
if ((src != NULL) &&
((xsrc.bottom > sdesc.dwHeight) || (xsrc.bottom < 0) ||
(xsrc.top > sdesc.dwHeight) || (xsrc.top < 0) ||
(xsrc.left > sdesc.dwWidth) || (xsrc.left < 0) ||
(xsrc.right > sdesc.dwWidth) || (xsrc.right < 0) ||
(xsrc.right < xsrc.left) || (xsrc.bottom < xsrc.top))) {
WARN("Application gave us bad source rectangle for Blt.\n");
return DDERR_INVALIDRECT;
}
/* For the Destination rect, it can be out of bounds on the condition that a clipper
is set for the given surface.
*/
if ((This->clipper == NULL) &&
((xdst.bottom > ddesc.dwHeight) || (xdst.bottom < 0) ||
(xdst.top > ddesc.dwHeight) || (xdst.top < 0) ||
(xdst.left > ddesc.dwWidth) || (xdst.left < 0) ||
(xdst.right > ddesc.dwWidth) || (xdst.right < 0) ||
(xdst.right < xdst.left) || (xdst.bottom < xdst.top))) {
WARN("Application gave us bad destination rectangle for Blt without a clipper set.\n");
return DDERR_INVALIDRECT;
}
/* Now handle negative values in the rectangles. Warning: only supported for now
in the 'simple' cases (ie not in any stretching / rotation cases).
First, the case where nothing is to be done.
*/
if (((xdst.bottom <= 0) || (xdst.right <= 0) || (xdst.top >= (int) ddesc.dwHeight) || (xdst.left >= (int) ddesc.dwWidth)) ||
((src != NULL) &&
((xsrc.bottom <= 0) || (xsrc.right <= 0) || (xsrc.top >= (int) sdesc.dwHeight) || (xsrc.left >= (int) sdesc.dwWidth))))
{
TRACE("Nothing to be done !\n");
goto release;
}
/* The easy case : the source-less blits.... */
if (src == NULL) {
RECT full_rect;
RECT temp_rect; /* No idea if intersect rect can be the same as one of the source rect */
full_rect.left = 0;
full_rect.top = 0;
full_rect.right = ddesc.dwWidth;
full_rect.bottom = ddesc.dwHeight;
IntersectRect(&temp_rect, &full_rect, &xdst);
xdst = temp_rect;
} else {
/* Only handle clipping on the destination rectangle */
int clip_horiz = (xdst.left < 0) || (xdst.right > (int) ddesc.dwWidth );
int clip_vert = (xdst.top < 0) || (xdst.bottom > (int) ddesc.dwHeight);
if (clip_vert || clip_horiz) {
/* Now check if this is a special case or not... */
if ((((xdst.bottom - xdst.top ) != (xsrc.bottom - xsrc.top )) && clip_vert ) ||
(((xdst.right - xdst.left) != (xsrc.right - xsrc.left)) && clip_horiz) ||
(dwFlags & DDBLT_DDFX)) {
WARN("Out of screen rectangle in special case. Not handled right now.\n");
goto release;
}
if (clip_horiz) {
if (xdst.left < 0) { xsrc.left -= xdst.left; xdst.left = 0; }
if (xdst.right > ddesc.dwWidth) { xsrc.right -= (xdst.right - (int) ddesc.dwWidth); xdst.right = (int) ddesc.dwWidth; }
}
if (clip_vert) {
if (xdst.top < 0) { xsrc.top -= xdst.top; xdst.top = 0; }
if (xdst.bottom > ddesc.dwHeight) { xsrc.bottom -= (xdst.bottom - (int) ddesc.dwHeight); xdst.bottom = (int) ddesc.dwHeight; }
}
/* And check if after clipping something is still to be done... */
if ((xdst.bottom <= 0) || (xdst.right <= 0) || (xdst.top >= (int) ddesc.dwHeight) || (xdst.left >= (int) ddesc.dwWidth) ||
(xsrc.bottom <= 0) || (xsrc.right <= 0) || (xsrc.top >= (int) sdesc.dwHeight) || (xsrc.left >= (int) sdesc.dwWidth)) {
TRACE("Nothing to be done after clipping !\n");
goto release;
}
}
}
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);
if (dwFlags & (DDBLT_WAIT|DDBLT_ASYNC))
{
static BOOL displayed = FALSE;
if (!displayed)
{
FIXME("dwFlags DDBLT_WAIT and/or DDBLT_ASYNC: can't handle right now.\n");
displayed = TRUE;
}
dwFlags &= ~(DDBLT_WAIT|DDBLT_ASYNC);
}
/* 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;
/* check for overlapping surfaces */
if (src != iface || xdst.top < xsrc.top ||
xdst.right <= xsrc.left || xsrc.right <= xdst.left)
{
/* no overlap, or dst above src, so copy from top downwards */
for (y = 0; y < dstheight; y++)
{
memcpy(dbuf, sbuf, width);
sbuf += sdesc.u1.lPitch;
dbuf += ddesc.u1.lPitch;
}
}
else if (xdst.top > xsrc.top) /* copy from bottom upwards */
{
sbuf += (sdesc.u1.lPitch*dstheight);
dbuf += (ddesc.u1.lPitch*dstheight);
for (y = 0; y < dstheight; y++)
{
sbuf -= sdesc.u1.lPitch;
dbuf -= ddesc.u1.lPitch;
memcpy(dbuf, sbuf, width);
}
}
else /* src and dst overlapping on the same line, use memmove */
{
for (y = 0; y < dstheight; y++)
{
memmove(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]|(s[1]<<8)|(s[2]<<16);
d[0] = (pixel )&0xff;
d[1] = (pixel>> 8)&0xff;
d[2] = (pixel>>16)&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 {
LONG dstyinc = ddesc.u1.lPitch, dstxinc = bpp;
DWORD keylow = 0, keyhigh = 0;
if (dwFlags & (DDBLT_KEYSRC | DDBLT_KEYDEST | DDBLT_KEYSRCOVERRIDE | DDBLT_KEYDESTOVERRIDE)) {
if (dwFlags & DDBLT_KEYSRC) {
keylow = sdesc.ddckCKSrcBlt.dwColorSpaceLowValue;
keyhigh = sdesc.ddckCKSrcBlt.dwColorSpaceHighValue;
} else if (dwFlags & DDBLT_KEYDEST){
keylow = ddesc.ddckCKDestBlt.dwColorSpaceLowValue;
keyhigh = ddesc.ddckCKDestBlt.dwColorSpaceHighValue;
} else if (dwFlags & DDBLT_KEYSRCOVERRIDE) {
keylow = lpbltfx->ddckSrcColorkey.dwColorSpaceLowValue;
keyhigh = lpbltfx->ddckSrcColorkey.dwColorSpaceHighValue;
} else {
keylow = lpbltfx->ddckDestColorkey.dwColorSpaceLowValue;
keyhigh = lpbltfx->ddckDestColorkey.dwColorSpaceHighValue;
}
dwFlags &= ~(DDBLT_KEYSRC | DDBLT_KEYDEST | DDBLT_KEYSRCOVERRIDE | DDBLT_KEYDESTOVERRIDE);
}
if (dwFlags & DDBLT_DDFX) {
LPBYTE dTopLeft, dTopRight, dBottomLeft, dBottomRight, tmp;
LONG tmpxy;
dTopLeft = dbuf;
dTopRight = dbuf+((dstwidth-1)*bpp);
dBottomLeft = dTopLeft+((dstheight-1)*ddesc.u1.lPitch);
dBottomRight = dBottomLeft+((dstwidth-1)*bpp);
if (lpbltfx->dwDDFX & DDBLTFX_ARITHSTRETCHY){
/* I don't think we need to do anything about this flag */
WARN("dwflags=DDBLT_DDFX nothing done for DDBLTFX_ARITHSTRETCHY\n");
}
if (lpbltfx->dwDDFX & DDBLTFX_MIRRORLEFTRIGHT) {
tmp = dTopRight;
dTopRight = dTopLeft;
dTopLeft = tmp;
tmp = dBottomRight;
dBottomRight = dBottomLeft;
dBottomLeft = tmp;
dstxinc = dstxinc *-1;
}
if (lpbltfx->dwDDFX & DDBLTFX_MIRRORUPDOWN) {
tmp = dTopLeft;
dTopLeft = dBottomLeft;
dBottomLeft = tmp;
tmp = dTopRight;
dTopRight = dBottomRight;
dBottomRight = tmp;
dstyinc = dstyinc *-1;
}
if (lpbltfx->dwDDFX & DDBLTFX_NOTEARING) {
/* I don't think we need to do anything about this flag */
WARN("dwflags=DDBLT_DDFX nothing done for DDBLTFX_NOTEARING\n");
}
if (lpbltfx->dwDDFX & DDBLTFX_ROTATE180) {
tmp = dBottomRight;
dBottomRight = dTopLeft;
dTopLeft = tmp;
tmp = dBottomLeft;
dBottomLeft = dTopRight;
dTopRight = tmp;
dstxinc = dstxinc * -1;
dstyinc = dstyinc * -1;
}
if (lpbltfx->dwDDFX & DDBLTFX_ROTATE270) {
tmp = dTopLeft;
dTopLeft = dBottomLeft;
dBottomLeft = dBottomRight;
dBottomRight = dTopRight;
dTopRight = tmp;
tmpxy = dstxinc;
dstxinc = dstyinc;
dstyinc = tmpxy;
dstxinc = dstxinc * -1;
}
if (lpbltfx->dwDDFX & DDBLTFX_ROTATE90) {
tmp = dTopLeft;
dTopLeft = dTopRight;
dTopRight = dBottomRight;
dBottomRight = dBottomLeft;
dBottomLeft = tmp;
tmpxy = dstxinc;
dstxinc = dstyinc;
dstyinc = tmpxy;
dstyinc = dstyinc * -1;
}
if (lpbltfx->dwDDFX & DDBLTFX_ZBUFFERBASEDEST) {
/* I don't think we need to do anything about this flag */
WARN("dwflags=DDBLT_DDFX nothing done for DDBLTFX_ZBUFFERBASEDEST\n");
}
dbuf = dTopLeft;
dwFlags &= ~(DDBLT_DDFX);
}
#define COPY_COLORKEY_FX(type) { \
type *s, *d = (type *) dbuf, *dx, tmp; \
for (y = sy = 0; y < dstheight; y++, sy += yinc) { \
s = (type*)(sbase + (sy >> 16) * sdesc.u1.lPitch); \
dx = d; \
for (x = sx = 0; x < dstwidth; x++, sx += xinc) { \
tmp = s[sx >> 16]; \
if (tmp < keylow || tmp > keyhigh) dx[0] = tmp; \
dx = (type*)(((LPBYTE)dx)+dstxinc); \
} \
d = (type*)(((LPBYTE)d)+dstyinc); \
} \
break; }
switch (bpp) {
case 1: COPY_COLORKEY_FX(BYTE)
case 2: COPY_COLORKEY_FX(WORD)
case 4: COPY_COLORKEY_FX(DWORD)
case 3: {LPBYTE s,d = dbuf, dx;
for (y = sy = 0; y < dstheight; y++, sy += yinc) {
sbuf = sbase + (sy >> 16) * sdesc.u1.lPitch;
dx = d;
for (x = sx = 0; x < dstwidth; x++, sx+= xinc) {
DWORD pixel;
s = sbuf+3*(sx>>16);
pixel = s[0]|(s[1]<<8)|(s[2]<<16);
if (pixel < keylow || pixel > keyhigh){
dx[0] = (pixel )&0xff;
dx[1] = (pixel>> 8)&0xff;
dx[2] = (pixel>>16)&0xff;
}
dx+= dstxinc;
}
d += dstyinc;
}
break;}
default:
FIXME("%s color-keyed blit not implemented for bpp %d!\n",
(dwFlags & DDBLT_KEYSRC) ? "Source" : "Destination", bpp*8);
ret = DDERR_UNSUPPORTED;
goto error;
#undef COPY_COLORKEY_FX
}
}
}
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)
{
IDirectDrawSurfaceImpl *This = (IDirectDrawSurfaceImpl *)iface;
int bpp, w, h, x, y;
DDSURFACEDESC2 ddesc,sdesc;
HRESULT ret = DD_OK;
LPBYTE sbuf, dbuf;
RECT rsrc2;
RECT lock_src, lock_dst;
if (TRACE_ON(ddraw)) {
TRACE("(%p)->(%ld,%ld,%p,%p,%08lx)\n",
This,dstx,dsty,src,rsrc,trans
);
TRACE("\ttrans:");
if (FIXME_ON(ddraw))
DDRAW_dump_DDBLTFAST(trans);
if (rsrc)
TRACE("\tsrcrect: %ldx%ld-%ldx%ld\n",rsrc->left,rsrc->top,rsrc->right,rsrc->bottom);
else
TRACE(" srcrect: NULL\n");
}
if ((This->locked) || ((src != NULL) && (((IDirectDrawSurfaceImpl *)src)->locked))) {
WARN(" Surface is busy, returning DDERR_SURFACEBUSY\n");
return DDERR_SURFACEBUSY;
}
/* First, check if the possible override function handles this case */
if (This->aux_bltfast != NULL) {
if (This->aux_bltfast(This, dstx, dsty, src, rsrc, trans) == DD_OK) return DD_OK;
}
/* Get the surface description without locking to first compute the width / height */
ddesc = This->surface_desc;
sdesc = (ICOM_OBJECT(IDirectDrawSurfaceImpl, IDirectDrawSurface7, src))->surface_desc;
if (!rsrc) {
WARN("rsrc is NULL!\n");
rsrc = &rsrc2;
rsrc->left = rsrc->top = 0;
rsrc->right = sdesc.dwWidth;
rsrc->bottom = sdesc.dwHeight;
}
/* Check source rect for validity. Copied from normal Blt. Fixes Baldur's Gate.*/
if ((rsrc->bottom > sdesc.dwHeight) || (rsrc->bottom < 0) ||
(rsrc->top > sdesc.dwHeight) || (rsrc->top < 0) ||
(rsrc->left > sdesc.dwWidth) || (rsrc->left < 0) ||
(rsrc->right > sdesc.dwWidth) || (rsrc->right < 0) ||
(rsrc->right < rsrc->left) || (rsrc->bottom < rsrc->top)) {
WARN("Application gave us bad source rectangle for BltFast.\n");
return DDERR_INVALIDRECT;
}
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) return DDERR_INVALIDRECT;
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) return DDERR_INVALIDRECT;
/* Now compute the locking rectangle... */
lock_src.left = rsrc->left;
lock_src.top = rsrc->top;
lock_src.right = lock_src.left + w;
lock_src.bottom = lock_src.top + h;
lock_dst.left = dstx;
lock_dst.top = dsty;
lock_dst.right = dstx + w;
lock_dst.bottom = dsty + h;
/* We need to lock the surfaces, or we won't get refreshes when done. */
sdesc.dwSize = sizeof(sdesc);
IDirectDrawSurface7_Lock(src, &lock_src, &sdesc, DDLOCK_READONLY, 0);
ddesc.dwSize = sizeof(ddesc);
IDirectDrawSurface7_Lock(iface, &lock_dst, &ddesc, DDLOCK_WRITEONLY, 0);
/* Handle first the FOURCC surfaces... */
if ((sdesc.u4.ddpfPixelFormat.dwFlags & DDPF_FOURCC) && (ddesc.u4.ddpfPixelFormat.dwFlags & DDPF_FOURCC)) {
if (trans)
FIXME("trans arg not supported when a FOURCC surface is involved\n");
if (dstx || dsty)
FIXME("offset for destination surface is not supported\n");
if (sdesc.u4.ddpfPixelFormat.dwFourCC != sdesc.u4.ddpfPixelFormat.dwFourCC) {
FIXME("FOURCC->FOURCC copy only supported for the same type of surface\n");
ret = DDERR_INVALIDPIXELFORMAT;
goto error;
}
memcpy(ddesc.lpSurface, sdesc.lpSurface, ddesc.u1.dwLinearSize);
goto error;
}
if ((sdesc.u4.ddpfPixelFormat.dwFlags & DDPF_FOURCC) &&
(!(ddesc.u4.ddpfPixelFormat.dwFlags & DDPF_FOURCC))) {
DoDXTCDecompression(&sdesc, &ddesc);
goto error;
}
bpp = GET_BPP(This->surface_desc);
sbuf = (BYTE *) sdesc.lpSurface;
dbuf = (BYTE *) ddesc.lpSurface;
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, *s, tmp; \
s = (type *) sdesc.lpSurface; \
d = (type *) ddesc.lpSurface; \
for (y = 0; y < h; y++) { \
for (x = 0; x < w; x++) { \
tmp = s[x]; \
if (tmp < keylow || tmp > keyhigh) d[x] = tmp; \
} \
s = (type *)((BYTE *)s + sdesc.u1.lPitch); \
d = (type *)((BYTE *)d + ddesc.u1.lPitch); \
} \
break; \
}
switch (bpp) {
case 1: COPYBOX_COLORKEY(BYTE)
case 2: COPYBOX_COLORKEY(WORD)
case 4: COPYBOX_COLORKEY(DWORD)
case 3:
{
BYTE *d, *s;
DWORD tmp;
s = (BYTE *) sdesc.lpSurface;
d = (BYTE *) ddesc.lpSurface;
for (y = 0; y < h; y++) {
for (x = 0; x < w * 3; x += 3) {
tmp = (DWORD)s[x] + ((DWORD)s[x + 1] << 8) + ((DWORD)s[x + 2] << 16);
if (tmp < keylow || tmp > keyhigh) {
d[x + 0] = s[x + 0];
d[x + 1] = s[x + 1];
d[x + 2] = s[x + 2];
}
}
s += sdesc.u1.lPitch;
d += ddesc.u1.lPitch;
}
break;
}
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, &lock_dst);
IDirectDrawSurface7_Unlock(src, &lock_src);
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];
unsigned 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)
{
IDirectDrawSurfaceImpl *This = (IDirectDrawSurfaceImpl *)iface;
DIB_PRIV_VAR(priv, This);
HRESULT hr = DD_OK;
DWORD flags = pDDSD->dwFlags;
if (TRACE_ON(ddraw)) {
TRACE("(%p)->(%p,%08lx)\n",iface,pDDSD,dwFlags);
DDRAW_dump_surface_desc(pDDSD);
}
if (pDDSD->dwFlags & DDSD_PIXELFORMAT) {
flags &= ~DDSD_PIXELFORMAT;
if (flags & DDSD_LPSURFACE) {
This->surface_desc.u4.ddpfPixelFormat = pDDSD->u4.ddpfPixelFormat;
} else {
FIXME("Change of pixel format without surface re-allocation is not supported !\n");
}
}
if (pDDSD->dwFlags & DDSD_LPSURFACE) {
HBITMAP oldbmp = priv->dib.DIBsection;
LPVOID oldsurf = This->surface_desc.lpSurface;
BOOL oldc = priv->dib.client_memory;
flags &= ~DDSD_LPSURFACE;
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);
}
if (flags) {
WARN("Unhandled flags : %08lx\n", flags);
}
return hr;
}
/* Unlock: ???, need callback */
/* UpdateOverlay: generic */
/* UpdateOverlayDisplay: generic */
/* UpdateOverlayZOrder: generic */
static IDirectDrawSurface7Vtbl 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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