91 lines
2.8 KiB
C
91 lines
2.8 KiB
C
#ifndef _GAMMA_DRM_H_
|
|
#define _GAMMA_DRM_H_
|
|
|
|
typedef struct _drm_gamma_tex_region {
|
|
unsigned char next, prev; /* indices to form a circular LRU */
|
|
unsigned char in_use; /* owned by a client, or free? */
|
|
int age; /* tracked by clients to update local LRU's */
|
|
} drm_gamma_tex_region_t;
|
|
|
|
typedef struct {
|
|
unsigned int GDeltaMode;
|
|
unsigned int GDepthMode;
|
|
unsigned int GGeometryMode;
|
|
unsigned int GTransformMode;
|
|
} drm_gamma_context_regs_t;
|
|
|
|
typedef struct _drm_gamma_sarea {
|
|
drm_gamma_context_regs_t context_state;
|
|
|
|
unsigned int dirty;
|
|
|
|
|
|
/* Maintain an LRU of contiguous regions of texture space. If
|
|
* you think you own a region of texture memory, and it has an
|
|
* age different to the one you set, then you are mistaken and
|
|
* it has been stolen by another client. If global texAge
|
|
* hasn't changed, there is no need to walk the list.
|
|
*
|
|
* These regions can be used as a proxy for the fine-grained
|
|
* texture information of other clients - by maintaining them
|
|
* in the same lru which is used to age their own textures,
|
|
* clients have an approximate lru for the whole of global
|
|
* texture space, and can make informed decisions as to which
|
|
* areas to kick out. There is no need to choose whether to
|
|
* kick out your own texture or someone else's - simply eject
|
|
* them all in LRU order.
|
|
*/
|
|
|
|
#define GAMMA_NR_TEX_REGIONS 64
|
|
drm_gamma_tex_region_t texList[GAMMA_NR_TEX_REGIONS+1];
|
|
/* Last elt is sentinal */
|
|
int texAge; /* last time texture was uploaded */
|
|
int last_enqueue; /* last time a buffer was enqueued */
|
|
int last_dispatch; /* age of the most recently dispatched buffer */
|
|
int last_quiescent; /* */
|
|
int ctxOwner; /* last context to upload state */
|
|
|
|
int vertex_prim;
|
|
} drm_gamma_sarea_t;
|
|
|
|
/* WARNING: If you change any of these defines, make sure to change the
|
|
* defines in the Xserver file (xf86drmGamma.h)
|
|
*/
|
|
|
|
/* Gamma specific ioctls
|
|
* The device specific ioctl range is 0x40 to 0x79.
|
|
*/
|
|
#define DRM_IOCTL_GAMMA_INIT DRM_IOW( 0x40, drm_gamma_init_t)
|
|
#define DRM_IOCTL_GAMMA_COPY DRM_IOW( 0x41, drm_gamma_copy_t)
|
|
|
|
typedef struct drm_gamma_copy {
|
|
unsigned int DMAOutputAddress;
|
|
unsigned int DMAOutputCount;
|
|
unsigned int DMAReadGLINTSource;
|
|
unsigned int DMARectangleWriteAddress;
|
|
unsigned int DMARectangleWriteLinePitch;
|
|
unsigned int DMARectangleWrite;
|
|
unsigned int DMARectangleReadAddress;
|
|
unsigned int DMARectangleReadLinePitch;
|
|
unsigned int DMARectangleRead;
|
|
unsigned int DMARectangleReadTarget;
|
|
} drm_gamma_copy_t;
|
|
|
|
typedef struct drm_gamma_init {
|
|
enum {
|
|
GAMMA_INIT_DMA = 0x01,
|
|
GAMMA_CLEANUP_DMA = 0x02
|
|
} func;
|
|
|
|
int sarea_priv_offset;
|
|
int pcimode;
|
|
unsigned int mmio0;
|
|
unsigned int mmio1;
|
|
unsigned int mmio2;
|
|
unsigned int mmio3;
|
|
unsigned int buffers_offset;
|
|
int num_rast;
|
|
} drm_gamma_init_t;
|
|
|
|
#endif /* _GAMMA_DRM_H_ */
|