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cnc-ddraw/surface.c

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/*
* Copyright (c) 2010 Toni Spets <toni.spets@iki.fi>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <windows.h>
#include <stdio.h>
#include "main.h"
#include "surface.h"
/* from main */
HRESULT QueryInterface(void *This, REFIID riid, void **obj);
ULONG AddRef(void *This);
HRESULT null();
void dump_ddsd(DWORD);
void dump_ddscaps(DWORD);
ULONG ddraw_surface_AddRef(void *_This)
{
fakeDirectDrawSurfaceObject *This = (fakeDirectDrawSurfaceObject *)_This;
printf("DirectDrawSurface::AddRef(This=%p)\n", This);
This->Ref++;
return This->Ref;
}
ULONG ddraw_surface_Release(void *_This)
{
fakeDirectDrawSurfaceObject *This = (fakeDirectDrawSurfaceObject *)_This;
printf("DirectDrawSurface::Release(This=%p)\n", ((fakeDirectDrawSurfaceObject *)This));
This->Ref--;
if(This->Ref == 0)
{
if(This->surface)
{
free(This->surface);
}
free(This);
return 0;
}
return This->Ref;
}
HRESULT ddraw_CreateSurface(void *_This, LPDDSURFACEDESC lpDDSurfaceDesc, LPDIRECTDRAWSURFACE FAR *lpDDSurface, IUnknown FAR * unkOuter)
{
fakeDirectDrawObject *This = (fakeDirectDrawObject *)_This;
printf("DirectDraw::CreateSurface(This=%p, lpDDSurfaceDesc=%p, lpDDSurface=%p, unkOuter=%p)\n", This, lpDDSurfaceDesc, lpDDSurface, unkOuter);
dump_ddsd(lpDDSurfaceDesc->dwFlags);
fakeDirectDrawSurfaceObject *Surface = (fakeDirectDrawSurfaceObject *)malloc(sizeof(fakeDirectDrawSurfaceObject));
Surface->Functions = &siface;
/* private stuff */
Surface->hDC = NULL;
Surface->bpp = This->bpp;
Surface->surface = NULL;
Surface->caps = 0;
if(lpDDSurfaceDesc->dwFlags & DDSD_CAPS)
{
if(lpDDSurfaceDesc->ddsCaps.dwCaps & DDSCAPS_PRIMARYSURFACE)
{
PIXELFORMATDESCRIPTOR pfd;
printf("Creating primary surface and initializing OpenGL\n");
Surface->width = This->width;
Surface->height = This->height;
Surface->hDC = GetDC(This->hWnd);
memset(&pfd, 0, sizeof(PIXELFORMATDESCRIPTOR));
pfd.nSize = sizeof(PIXELFORMATDESCRIPTOR);
pfd.nVersion = 1;
pfd.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER;
pfd.iPixelType = PFD_TYPE_RGBA;
pfd.cColorBits = 24;
pfd.cDepthBits = 16;
pfd.iLayerType = PFD_MAIN_PLANE;
SetPixelFormat( Surface->hDC, ChoosePixelFormat( Surface->hDC, &pfd ), &pfd );
Surface->hRC = wglCreateContext( Surface->hDC );
wglMakeCurrent( Surface->hDC, Surface->hRC );
}
dump_ddscaps(lpDDSurfaceDesc->ddsCaps.dwCaps);
Surface->caps = lpDDSurfaceDesc->ddsCaps.dwCaps;
}
if( !(lpDDSurfaceDesc->dwFlags & DDSD_CAPS) || !(lpDDSurfaceDesc->ddsCaps.dwCaps & DDSCAPS_PRIMARYSURFACE) )
{
Surface->width = lpDDSurfaceDesc->dwWidth;
Surface->height = lpDDSurfaceDesc->dwHeight;
}
if(Surface->width && Surface->height)
{
Surface->surface = malloc(Surface->width * Surface->height * Surface->bpp / 8);
}
printf(" Surface = %p (%dx%d@%d)\n", Surface, (int)Surface->width, (int)Surface->height, (int)Surface->bpp);
*lpDDSurface = (LPDIRECTDRAWSURFACE)Surface;
Surface->Ref = 0;
ddraw_surface_AddRef(Surface);
return DD_OK;
}
HRESULT ddraw_surface_AddAttachedSurface(void *_This, LPDIRECTDRAWSURFACE lpDDSurface)
{
printf("DirectDrawSurface::AddAttachedSurface(This=%p, lpDDSurface=%p)\n", _This, lpDDSurface);
return DD_OK;
}
HRESULT ddraw_surface_Blt(void *This, LPRECT lpDestRect, LPDIRECTDRAWSURFACE lpDDSrcSurface, LPRECT lpSrcRect, DWORD dwFlags, LPDDBLTFX lpDDBltFx)
{
printf("DirectDrawSurface::Blt(This=%p, lpDestRect=%p, lpDDSrcSurface=%p, lpSrcRect=%p, dwFlags=%d, lpDDBltFx=%p)\n", This, lpDestRect, lpDDSrcSurface, lpSrcRect, (int)dwFlags, lpDDBltFx);
if(lpDestRect)
{
printf(" dest: l: %d t: %d r: %d b: %d\n", (int)lpDestRect->left, (int)lpDestRect->top, (int)lpDestRect->right, (int)lpDestRect->bottom);
}
if(lpSrcRect)
{
printf(" src: l: %d t: %d r: %d b: %d\n", (int)lpSrcRect->left, (int)lpSrcRect->top, (int)lpSrcRect->right, (int)lpSrcRect->bottom);
}
return DD_OK;
}
HRESULT ddraw_surface_GetCaps(void *_This, LPDDSCAPS lpDDSCaps)
{
fakeDirectDrawSurfaceObject *This = (fakeDirectDrawSurfaceObject *)_This;
printf("DirectDrawSurface::GetCaps(This=%p, lpDDSCaps=%p)\n", _This, lpDDSCaps);
lpDDSCaps->dwCaps = This->caps;
return DD_OK;
}
HRESULT ddraw_surface_GetPalette(void *_This, LPDIRECTDRAWPALETTE FAR *lplpDDPalette)
{
printf("DirectDrawSurface::GetPalette(This=%p, lplpDDPalette=%p)\n", _This, lplpDDPalette);
return DD_OK;
}
HRESULT ddraw_surface_SetPalette(void *_This, LPDIRECTDRAWPALETTE lpDDPalette)
{
printf("DirectDrawSurface::SetPalette(This=%p, lpDDPalette=%p)\n", _This, lpDDPalette);
return DD_OK;
}
HRESULT ddraw_surface_Lock(void *_This, LPRECT lpDestRect, LPDDSURFACEDESC lpDDSurfaceDesc, DWORD dwFlags, HANDLE hEvent)
{
fakeDirectDrawSurfaceObject *This = (fakeDirectDrawSurfaceObject *)_This;
#if _DEBUG
printf("DirectDrawSurface::Lock(This=%p, lpDestRect=%p, lpDDSurfaceDesc=%p, dwFlags=%d, hEvent=%p)\n", This, lpDestRect, lpDDSurfaceDesc, (int)dwFlags, hEvent);
if(dwFlags & DDLOCK_SURFACEMEMORYPTR)
{
printf(" dwFlags: DDLOCK_SURFACEMEMORYPTR\n");
}
if(dwFlags & DDLOCK_WAIT)
{
printf(" dwFlags: DDLOCK_WAIT\n");
}
if(dwFlags & DDLOCK_EVENT)
{
printf(" dwFlags: DDLOCK_EVENT\n");
}
if(dwFlags & DDLOCK_READONLY)
{
printf(" dwFlags: DDLOCK_READONLY\n");
}
if(dwFlags & DDLOCK_WRITEONLY)
{
printf(" dwFlags: DDLOCK_WRITEONLY\n");
}
#endif
lpDDSurfaceDesc->dwSize = sizeof(DDSURFACEDESC);
lpDDSurfaceDesc->dwFlags = DDSD_LPSURFACE;
lpDDSurfaceDesc->lpSurface = This->surface;
return DD_OK;
}
HRESULT ddraw_surface_Unlock(void *_This, LPVOID lpRect)
{
fakeDirectDrawSurfaceObject *This = (fakeDirectDrawSurfaceObject *)_This;
#if _DEBUG
printf("DirectDrawSurface::Unlock(This=%p, lpRect=%p)\n", This, lpRect);
#endif
if(This->caps & DDSCAPS_PRIMARYSURFACE)
{
/* clearing the screen for now */
glClearColor( 0.0f, 0.0f, 255.0f, 0.0f );
glClear( GL_COLOR_BUFFER_BIT );
SwapBuffers( This->hDC );
}
return DD_OK;
}
fakeDirectDrawSurface siface =
{
/* IUnknown */
QueryInterface,
ddraw_surface_AddRef,
ddraw_surface_Release,
/* IDirectDrawSurface */
ddraw_surface_AddAttachedSurface,
null, // ddraw_surface_AddOverlayDirtyRect
ddraw_surface_Blt,
null, // ddraw_surface_BltBatch
null, // ddraw_surface_BltFast
null, // ddraw_surface_DeleteAttachedSurface
null, // ddraw_surface_EnumAttachedSurfaces
null, // ddraw_surface_EnumOverlayZOrders
null, // ddraw_surface_Flip
null, // ddraw_surface_GetAttachedSurface
null, // ddraw_surface_GetBltStatus
ddraw_surface_GetCaps,
null, // ddraw_surface_GetClipper
null, // ddraw_surface_GetColorKey
null, // ddraw_surface_GetDC
null, // ddraw_surface_GetFlipStatus
null, // ddraw_surface_GetOverlayPosition
ddraw_surface_GetPalette,
null, // ddraw_surface_GetPixelFormat
null, // ddraw_surface_GetSurfaceDesc
null, // ddraw_surface_Initialize
null, // ddraw_surface_IsLost
ddraw_surface_Lock,
null, // ddraw_surface_ReleaseDC
null, // ddraw_surface_Restore
null, // ddraw_surface_SetClipper
null, // ddraw_surface_SetColorKey
null, // ddraw_surface_SetOverlayPosition
ddraw_surface_SetPalette,
ddraw_surface_Unlock,
null, // ddraw_surface_UpdateOverlay
null, // ddraw_surface_UpdateOverlayDisplay
null // ddraw_surface_UpdateOverlayZOrder
};
void dump_ddscaps(DWORD dwCaps)
{
if(dwCaps & DDSCAPS_PRIMARYSURFACE)
{
printf(" DDSCAPS_PRIMARYSURFACE\n");
}
if(dwCaps & DDSCAPS_OFFSCREENPLAIN)
{
printf(" DDSCAPS_OFFSCREENPLAIN\n");
}
if(dwCaps & DDSCAPS_VIDEOMEMORY)
{
printf(" DDSCAPS_VIDEOMEMORY\n");
}
if(dwCaps & DDSCAPS_LOCALVIDMEM)
{
printf(" DDSCAPS_LOCALVIDMEM\n");
}
}
void dump_ddsd(DWORD dwFlags)
{
if(dwFlags & DDSD_CAPS)
{
printf(" DDSD_CAPS\n");
}
if(dwFlags & DDSD_HEIGHT)
{
printf(" DDSD_HEIGHT\n");
}
if(dwFlags & DDSD_WIDTH)
{
printf(" DDSD_WIDTH\n");
}
if(dwFlags & DDSD_PITCH)
{
printf(" DDSD_PITCH\n");
}
if(dwFlags & DDSD_BACKBUFFERCOUNT)
{
printf(" DDSD_BACKBUFFERCOUNT\n");
}
if(dwFlags & DDSD_ZBUFFERBITDEPTH)
{
printf(" DDSD_ZBUFFERBITDEPTH\n");
}
if(dwFlags & DDSD_ALPHABITDEPTH)
{
printf(" DDSD_ALPHABITDEPTH\n");
}
if(dwFlags & DDSD_LPSURFACE)
{
printf(" DDSD_LPSURFACE\n");
}
if(dwFlags & DDSD_PIXELFORMAT)
{
printf(" DDSD_PIXELFORMAT\n");
}
if(dwFlags & DDSD_CKDESTOVERLAY)
{
printf(" DDSD_CKDESTOVERLAY\n");
}
if(dwFlags & DDSD_CKDESTBLT)
{
printf(" DDSD_CKDESTBLT\n");
}
if(dwFlags & DDSD_CKSRCOVERLAY)
{
printf(" DDSD_CKSRCOVERLAY\n");
}
if(dwFlags & DDSD_CKSRCBLT)
{
printf(" DDSD_CKSRCBLT\n");
}
if(dwFlags & DDSD_MIPMAPCOUNT)
{
printf(" DDSD_MIPMAPCOUNT\n");
}
if(dwFlags & DDSD_REFRESHRATE)
{
printf(" DDSD_REFRESHRATE\n");
}
if(dwFlags & DDSD_LINEARSIZE)
{
printf(" DDSD_LINEARSIZE\n");
}
if(dwFlags & DDSD_ALL)
{
printf(" DDSD_ALL\n");
}
}
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