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#ifndef SURFACE_H
#define SURFACE_H
#include "qxldd.h"
static _inline UINT32 GetSurfaceIdFromInfo(SurfaceInfo *info)
{
PDev *pdev;
pdev = info->u.pdev;
if (info == &pdev->surface0_info) {
return 0;
}
return info - pdev->Res->surfaces_info;
}
static _inline SurfaceInfo *GetSurfaceInfo(PDev *pdev, UINT32 id)
{
if (id == 0) {
return &pdev->surface0_info;
}
return &pdev->Res->surfaces_info[id];
}
static _inline UINT32 GetSurfaceId(SURFOBJ *surf)
{
SurfaceInfo *surface;
surface = (SurfaceInfo *)surf->dhsurf;
return GetSurfaceIdFromInfo(surface);
}
static _inline void FreeSurface(PDev *pdev, UINT32 surface_id)
{
SurfaceInfo *surface;
if (surface_id == 0) {
return;
}
EngAcquireSemaphore(pdev->Res->surface_sem);
surface = &pdev->Res->surfaces_info[surface_id];
surface->draw_area.base_mem = NULL; /* Mark as not used */
surface->u.next_free = pdev->Res->free_surfaces;
pdev->Res->free_surfaces = surface;
EngReleaseSemaphore(pdev->Res->surface_sem);
}
static UINT32 GetFreeSurface(PDev *pdev)
{
UINT32 x, id;
SurfaceInfo *surface;
EngAcquireSemaphore(pdev->Res->surface_sem);
surface = pdev->Res->free_surfaces;
if (surface == NULL) {
id = 0;
} else {
pdev->Res->free_surfaces = surface->u.next_free;
id = surface - pdev->Res->surfaces_info;
}
EngReleaseSemaphore(pdev->Res->surface_sem);
return id;
}
enum {
DEVICE_BITMAP_ALLOCATION_TYPE_SURF0,
DEVICE_BITMAP_ALLOCATION_TYPE_DEVRAM,
DEVICE_BITMAP_ALLOCATION_TYPE_VRAM,
};
BOOL CreateDrawArea(PDev *pdev, UINT8 *base_mem, ULONG format, UINT32 cx, UINT32 cy, UINT32 stride,
UINT32 surface_id);
VOID FreeDrawArea(DrawArea *drawarea);
HBITMAP CreateDeviceBitmap(PDev *pdev, SIZEL size, ULONG format, QXLPHYSICAL *phys_mem,
UINT8 **base_mem, UINT32 surface_id, UINT8 allocation_type);
VOID DeleteDeviceBitmap(PDev *pdev, UINT32 surface_id, UINT8 allocation_type);
#endif
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