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#ifndef NVFX_RESOURCE_H
#define NVFX_RESOURCE_H
#include "util/u_transfer.h"
struct pipe_resource;
struct nouveau_bo;
/* This gets further specialized into either buffer or texture
* structures. In the future we'll want to remove much of that
* distinction, but for now try to keep as close to the existing code
* as possible and use the vtbl struct to choose between the two
* underlying implementations.
*/
struct nvfx_resource {
struct pipe_resource base;
struct u_resource_vtbl *vtbl;
struct nouveau_bo *bo;
};
#define NVFX_RESOURCE_FLAG_LINEAR (PIPE_RESOURCE_FLAG_DRV_PRIV << 0)
#define NVFX_MAX_TEXTURE_LEVELS 16
struct nvfx_miptree {
struct nvfx_resource base;
uint total_size;
struct {
uint pitch;
uint *image_offset;
} level[NVFX_MAX_TEXTURE_LEVELS];
unsigned image_nr;
};
static INLINE
struct nvfx_resource *nvfx_resource(struct pipe_resource *resource)
{
return (struct nvfx_resource *)resource;
}
static INLINE struct nouveau_bo *
nvfx_surface_buffer(struct pipe_surface *surf)
{
struct nvfx_resource *mt = nvfx_resource(surf->texture);
return mt->bo;
}
void
nvfx_init_resource_functions(struct pipe_context *pipe);
void
nvfx_screen_init_resource_functions(struct pipe_screen *pscreen);
/* Internal:
*/
struct pipe_resource *
nvfx_miptree_create(struct pipe_screen *pscreen, const struct pipe_resource *pt);
struct pipe_resource *
nvfx_miptree_from_handle(struct pipe_screen *pscreen,
const struct pipe_resource *template,
struct winsys_handle *whandle);
struct pipe_resource *
nvfx_buffer_create(struct pipe_screen *pscreen,
const struct pipe_resource *template);
struct pipe_resource *
nvfx_user_buffer_create(struct pipe_screen *screen,
void *ptr,
unsigned bytes,
unsigned usage);
void
nvfx_miptree_surface_del(struct pipe_surface *ps);
struct pipe_surface *
nvfx_miptree_surface_new(struct pipe_screen *pscreen, struct pipe_resource *pt,
unsigned face, unsigned level, unsigned zslice,
unsigned flags);
#endif
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