#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; } drm_gamma_init_t; #endif /* _GAMMA_DRM_H_ */ le summary='blob content' class='blob'>