void
_glshDereferenceRenderbuffer(
GLContext Context,
GLRenderbuffer Renderbuffer
)
{
gcmASSERT((Renderbuffer->object.reference - 1) >= 0);
if (--Renderbuffer->object.reference == 0)
{
if (Renderbuffer->surface != gcvNULL)
{
if (Renderbuffer->combined == gcvNULL)
{
gcmVERIFY_OK(gcoSURF_Destroy(Renderbuffer->surface));
}
else
{
Renderbuffer->combined->combined = gcvNULL;
}
}
gcmVERIFY_OK(gcmOS_SAFE_FREE(gcvNULL, Renderbuffer));
}
}
static Bool VDestroySurf16() {
gceSTATUS status = gcvSTATUS_OK;
if (_vsurf16.surf==NULL) TRACE_EXIT(TRUE);
status=gcoSURF_Unlock(_vsurf16.surf, &(_vsurf16.lineaddr));
if (status!=gcvSTATUS_OK)
TRACE_EXIT(FALSE);
status=gcoSURF_Destroy(_vsurf16.surf);
_vsurf16.surf=NULL;
TRACE_EXIT(TRUE);
}
gceSTATUS
_FreeSurface(
IN gcsSURFACE * Surface
)
{
gceSTATUS status = gcvSTATUS_OK;
if (Surface == gcvNULL)
{
return gcvSTATUS_INVALID_ARGUMENT;
}
do
{
if (Surface->surface != gcvNULL)
{
if (Surface->logical != gcvNULL)
{
gcmERR_BREAK(
gcoSURF_Unlock(Surface->surface,
Surface->logical));
}
gcmERR_BREAK(
gcoSURF_Destroy(Surface->surface));
Surface->surface = gcvNULL;
Surface->physical = ~0;
Surface->logical = gcvNULL;
Surface->width = 0;
Surface->height = 0;
Surface->format = gcvSURF_UNKNOWN;
}
}
while (gcvFALSE);
return status;
}
gceSTATUS
_FitSurface(
IN gcsCOPYBIT_CONTEXT * Context,
IN gcsSURFACE * Surface,
IN gctUINT32 Width,
IN gctUINT32 Height
)
{
gceSTATUS status = gcvSTATUS_OK;
if (Surface == gcvNULL)
{
return gcvSTATUS_INVALID_ARGUMENT;
}
do
{
/* Create the tmp Surfaceace if necessary. */
if ((Surface->surface == gcvNULL)
|| (Surface->width < Width)
|| (Surface->height < Height)
)
{
/* Destroy last surface. */
if (Surface->surface != gcvNULL)
{
if (Surface->logical != gcvNULL)
{
gcmERR_BREAK(
gcoSURF_Unlock(Surface->surface,
Surface->logical));
}
gcmERR_BREAK(
gcoSURF_Destroy(Surface->surface));
}
/* New surface values. */
Surface->format = gcvSURF_A8R8G8B8;
Surface->width = Width;
Surface->height = Height;
gcmERR_BREAK(
gcoSURF_Construct(gcvNULL,
Surface->width,
Surface->height,
1,
gcvSURF_BITMAP,
Surface->format,
gcvPOOL_DEFAULT,
&Surface->surface));
gcmERR_BREAK(
gcoSURF_Lock(Surface->surface,
&Surface->physical,
&Surface->logical));
gcmERR_BREAK(
gcoSURF_GetAlignedSize(Surface->surface,
&Surface->alignedWidth,
&Surface->alignedHeight,
&Surface->stride));
}
}
while (gcvFALSE);
return status;
}
gceSTATUS GC2D_Accelerator::DestroyGALSurface(
IN gcoSURF Surface
)
{
return gcoSURF_Destroy(Surface);
}
/*******************************************************************************
**
** _WorkaroundForFilterBlit
**
** Workaround for the dirty region issue of filter blit.
** It only exists for old GC300 before 2.0.2 (included).
**
** INPUT:
**
** gctHAL Hal
** Pointer to HAL.
**
** OUTPUT:
**
** Nothing.
*/
static gceSTATUS
_WorkaroundForFilterBlit(
IN gcoHAL Hal
)
{
gceSTATUS status;
gcoSURF srcSurf = gcvNULL;
gcsRECT srcRect;
gcoSURF dstSurf = gcvNULL;
gcsRECT dstRect;
do
{
gcmERR_BREAK(gcoSURF_Construct(
gcvNULL,
256,
256,
1,
gcvSURF_BITMAP,
gcvSURF_A8R8G8B8,
gcvPOOL_DEFAULT,
&srcSurf
));
gcmERR_BREAK(gcoSURF_Construct(
gcvNULL,
256,
256,
1,
gcvSURF_BITMAP,
gcvSURF_A8R8G8B8,
gcvPOOL_DEFAULT,
&dstSurf
));
srcRect.left = 0;
srcRect.top = 0;
srcRect.right = 64;
srcRect.bottom = 16;
dstRect.left = 0;
dstRect.top = 0;
dstRect.right = 128;
dstRect.bottom = 32;
gcmERR_BREAK(gcoSURF_FilterBlit(
srcSurf,
dstSurf,
&srcRect,
&dstRect,
gcvNULL
));
gcmERR_BREAK(gcoSURF_Destroy(srcSurf));
srcSurf = gcvNULL;
gcmERR_BREAK(gcoSURF_Destroy(dstSurf));
dstSurf = gcvNULL;
}
while(gcvFALSE);
if (gcmIS_ERROR(status)) {
gcmTRACE_ZONE(gcvLEVEL_ERROR, gcvZONE_HAL,
"Failed to workarond for GC300.");
if (srcSurf)
{
gcmVERIFY_OK(gcoSURF_Destroy(srcSurf));
}
if (dstSurf)
{
gcmVERIFY_OK(gcoSURF_Destroy(dstSurf));
}
}
return status;
}
