133 lines
3.5 KiB
C
133 lines
3.5 KiB
C
/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/i810/i810_dri.h,v 1.10 2002/12/10 01:27:04 dawes Exp $ */
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#ifndef _I810_DRI_
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#define _I810_DRI_
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#include "xf86drm.h"
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#include "i810_common.h"
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#define I810_MAX_DRAWABLES 256
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#define I810_MAJOR_VERSION 1
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#define I810_MINOR_VERSION 7
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#define I810_PATCHLEVEL 4
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typedef struct {
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drm_handle_t regs;
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drmSize regsSize;
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drmSize backbufferSize;
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drm_handle_t backbuffer;
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drmSize depthbufferSize;
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drm_handle_t depthbuffer;
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drm_handle_t textures;
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int textureSize;
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drm_handle_t agp_buffers;
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drmSize agp_buf_size;
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int deviceID;
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int width;
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int height;
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int mem;
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int cpp;
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int bitsPerPixel;
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int fbOffset;
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int fbStride;
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int backOffset;
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int depthOffset;
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int auxPitch;
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int auxPitchBits;
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int logTextureGranularity;
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int textureOffset;
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/* For non-dma direct rendering.
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*/
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int ringOffset;
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int ringSize;
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drmBufMapPtr drmBufs;
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int irq;
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unsigned int sarea_priv_offset;
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} I810DRIRec, *I810DRIPtr;
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/* WARNING: Do not change the SAREA structure without changing the kernel
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* as well */
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#define I810_UPLOAD_TEX0IMAGE 0x1 /* handled clientside */
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#define I810_UPLOAD_TEX1IMAGE 0x2 /* handled clientside */
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#define I810_UPLOAD_CTX 0x4
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#define I810_UPLOAD_BUFFERS 0x8
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#define I810_UPLOAD_TEX0 0x10
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#define I810_UPLOAD_TEX1 0x20
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#define I810_UPLOAD_CLIPRECTS 0x40
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typedef struct {
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unsigned char next, prev; /* indices to form a circular LRU */
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unsigned char in_use; /* owned by a client, or free? */
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int age; /* tracked by clients to update local LRU's */
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} I810TexRegionRec, *I810TexRegionPtr;
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typedef struct {
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unsigned int ContextState[I810_CTX_SETUP_SIZE];
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unsigned int BufferState[I810_DEST_SETUP_SIZE];
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unsigned int TexState[2][I810_TEX_SETUP_SIZE];
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unsigned int dirty;
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unsigned int nbox;
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drm_clip_rect_t boxes[I810_NR_SAREA_CLIPRECTS];
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/* Maintain an LRU of contiguous regions of texture space. If
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* you think you own a region of texture memory, and it has an
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* age different to the one you set, then you are mistaken and
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* it has been stolen by another client. If global texAge
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* hasn't changed, there is no need to walk the list.
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*
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* These regions can be used as a proxy for the fine-grained
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* texture information of other clients - by maintaining them
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* in the same lru which is used to age their own textures,
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* clients have an approximate lru for the whole of global
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* texture space, and can make informed decisions as to which
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* areas to kick out. There is no need to choose whether to
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* kick out your own texture or someone else's - simply eject
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* them all in LRU order.
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*/
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drmTextureRegion texList[I810_NR_TEX_REGIONS + 1];
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/* Last elt is sentinal */
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int texAge; /* last time texture was uploaded */
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int last_enqueue; /* last time a buffer was enqueued */
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int last_dispatch; /* age of the most recently dispatched buffer */
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int last_quiescent; /* */
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int ctxOwner; /* last context to upload state */
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int vertex_prim;
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int pf_enabled; /* is pageflipping allowed? */
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int pf_active; /* is pageflipping active right now? */
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int pf_current_page; /* which buffer is being displayed? */
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} I810SAREARec, *I810SAREAPtr;
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typedef struct {
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/* Nothing here yet */
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int dummy;
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} I810ConfigPrivRec, *I810ConfigPrivPtr;
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typedef struct {
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/* Nothing here yet */
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int dummy;
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} I810DRIContextRec, *I810DRIContextPtr;
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#endif
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