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- Free global surface memory on error, found by Amine Khaldi

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- Translate some comments for better understanding

svn path=/trunk/; revision=42865
This commit is contained in:
Gregor Schneider 2009-08-22 18:21:37 +00:00
parent 86a4498283
commit 6be4617f84
1 changed files with 20 additions and 10 deletions
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30
reactos/dll/win32/gdi32/misc/gdientry.c
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@ -302,15 +302,15 @@ DdCreateSurface(LPDDHAL_CREATESURFACEDATA pCreateSurface)
ULONG i;
LPDDSURFACEDESC pSurfaceDesc = NULL;
/* TODO : Speed optimze, most games/dx apps/program does not want 1 surface, they want lest 2
* so we need incress the stack so it can contain 2 surface instead of one, this will incress
* the speed of the apps when it trying alloc buffer. How to incress the surface stack space
* we need create a own struct for DD_SURFACE_LOCAL DdSurfaceLocal, DD_SURFACE_MORE DdSurfaceMore
* DD_SURFACE_GLOBAL DdSurfaceGlobal. HANDLE hPrevSurface, hSurface. like
/* TODO: Optimize speed. Most games/dx apps/programs do not want one surface, they want at least two.
* So we need increase the stack to contain two surfaces instead of one. This will increase
* the speed of the apps when allocating buffers. How to increase the surface stack space:
* we need to create a struct for DD_SURFACE_LOCAL DdSurfaceLocal, DD_SURFACE_MORE DdSurfaceMore
* DD_SURFACE_GLOBAL DdSurfaceGlobal, HANDLE hPrevSurface, hSurface like
* struct { DD_SURFACE_LOCAL DdSurfaceLocal1, DD_SURFACE_LOCAL DdSurfaceLocal2 }
* lest so it contain two surface. maybe 4. we need watch what is most common here before
* we create the size activate this IF when you start doing the optimze and please also
* take report from user which value they got here
* in a way that it may contain two surfaces, maybe even four. We need to watch what is most common before
* we create the size. Activate this IF when you start doing the optimze and please also
* take reports from users which value they got here.
*/
#if 1
{
@ -323,14 +323,14 @@ DdCreateSurface(LPDDHAL_CREATESURFACEDATA pCreateSurface)
/* Check how many surfaces there are */
if (SurfaceCount != 1)
{
/* We got more that one surface so we need alloc memory for them */
/* We got more than one surface, so we need to allocate memory for them */
pDdSurfaceLocal = (PDD_SURFACE_LOCAL) HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, (sizeof(DD_SURFACE_LOCAL) * SurfaceCount ));
pDdSurfaceMore = (PDD_SURFACE_MORE) HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, (sizeof(DD_SURFACE_MORE) * SurfaceCount ));
pDdSurfaceGlobal = (PDD_SURFACE_GLOBAL) HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, (sizeof(DD_SURFACE_GLOBAL) * SurfaceCount ));
phSurface = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, (sizeof(HANDLE) * SurfaceCount ));
puhSurface = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, (sizeof(HANDLE) * SurfaceCount ));
/* check if we sueese alloc all memory we need */
/* Check if we successfully allocated all memory we need */
if ((pDdSurfaceLocal == NULL) || (pDdSurfaceMore == NULL) || (pDdSurfaceGlobal == NULL) || (phSurface == NULL) || (puhSurface == NULL))
{
pCreateSurface->ddRVal = DDERR_OUTOFMEMORY;
@ -345,6 +345,11 @@ DdCreateSurface(LPDDHAL_CREATESURFACEDATA pCreateSurface)
HeapFree(GetProcessHeap(), 0, pDdSurfaceMore);
}
if ( pDdSurfaceGlobal != NULL )
{
HeapFree(GetProcessHeap(), 0, pDdSurfaceGlobal);
}
if ( phSurface != NULL )
{
HeapFree(GetProcessHeap(), 0, phSurface);
@ -519,6 +524,11 @@ DdCreateSurface(LPDDHAL_CREATESURFACEDATA pCreateSurface)
HeapFree(GetProcessHeap(), 0, pDdSurfaceMore);
}
if ( pDdSurfaceGlobal != NULL )
{
HeapFree(GetProcessHeap(), 0, pDdSurfaceGlobal);
}
if ( phSurface != NULL )
{
HeapFree(GetProcessHeap(), 0, phSurface);