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Diffstat (limited to 'src/i830_dri.h')
| -rw-r--r-- | src/i830_dri.h | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/src/i830_dri.h b/src/i830_dri.h new file mode 100644 index 00000000..b60c7201 --- /dev/null +++ b/src/i830_dri.h @@ -0,0 +1,146 @@ +/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/i810/i830_dri.h,v 1.5 2002/12/10 01:27:05 dawes Exp $ */ + +#ifndef _I830_DRI_H +#define _I830_DRI_H + +#include "xf86drm.h" +#include "i830_common.h" + +#define I830_MAX_DRAWABLES 256 + +#define I830_MAJOR_VERSION 1 +#define I830_MINOR_VERSION 3 +#define I830_PATCHLEVEL 0 + +#define I830_REG_SIZE 0x80000 + +typedef struct _I830DRIRec { + drmHandle regs; + drmSize regsSize; + drmAddress regsMap; + + drmSize backbufferSize; + drmHandle backbuffer; + + drmSize depthbufferSize; + drmHandle depthbuffer; + + drmHandle textures; + int textureSize; + + drmHandle agp_buffers; + drmSize agp_buf_size; + + int deviceID; + int width; + int height; + int mem; + int cpp; + int bitsPerPixel; + int fbOffset; + int fbStride; + + int backOffset; + int depthOffset; + + int auxPitch; + int auxPitchBits; + + int logTextureGranularity; + int textureOffset; + + /* For non-dma direct rendering. + */ + int ringOffset; + int ringSize; + + drmBufMapPtr drmBufs; + int irq; + int sarea_priv_offset; +} I830DRIRec, *I830DRIPtr; + +typedef struct { + /* Nothing here yet */ + int dummy; +} I830ConfigPrivRec, *I830ConfigPrivPtr; + +typedef struct { + /* Nothing here yet */ + int dummy; +} I830DRIContextRec, *I830DRIContextPtr; + +/* Warning: If you change the SAREA structure you must change the kernel + * structure as well */ + +typedef struct _I830TexRegion { + 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 */ +} I830TexRegion; + +typedef struct _I830SAREA { + unsigned int ContextState[I830_CTX_SETUP_SIZE]; + unsigned int BufferState[I830_DEST_SETUP_SIZE]; + unsigned int TexState[I830_TEXTURE_COUNT][I830_TEX_SETUP_SIZE]; + unsigned int TexBlendState[I830_TEXBLEND_COUNT][I830_TEXBLEND_SIZE]; + unsigned int TexBlendStateWordsUsed[I830_TEXBLEND_COUNT]; + unsigned int Palette[2][256]; + unsigned int dirty; + + unsigned int nbox; + XF86DRIClipRectRec boxes[I830_NR_SAREA_CLIPRECTS]; + + /* 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. + */ + + I830TexRegion texList[I830_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; + + int pf_enabled; /* is pageflipping allowed? */ + int pf_active; /* is pageflipping active right now? */ + int pf_current_page; /* which buffer is being displayed? */ + + int perf_boxes; /* performance boxes to be displayed */ + + /* Here's the state for texunits 2,3: + */ + unsigned int TexState2[I830_TEX_SETUP_SIZE]; + unsigned int TexBlendState2[I830_TEXBLEND_SIZE]; + unsigned int TexBlendStateWordsUsed2; + + unsigned int TexState3[I830_TEX_SETUP_SIZE]; + unsigned int TexBlendState3[I830_TEXBLEND_SIZE]; + unsigned int TexBlendStateWordsUsed3; + + unsigned int StippleState[I830_STP_SETUP_SIZE]; +} I830SAREARec, *I830SAREAPtr; + +/* Flags for perf_boxes + */ +#define I830_BOX_RING_EMPTY 0x1 /* populated by kernel */ +#define I830_BOX_FLIP 0x2 /* populated by kernel */ +#define I830_BOX_WAIT 0x4 /* populated by kernel & client */ +#define I830_BOX_TEXTURE_LOAD 0x8 /* populated by kernel */ +#define I830_BOX_LOST_CONTEXT 0x10 /* populated by client */ + +#endif |