186 lines
5.8 KiB
C
186 lines
5.8 KiB
C
/*
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* Copyright 1999, 2000 ATI Technologies Inc., Markham, Ontario,
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* Precision Insight, Inc., Cedar Park, Texas, and
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* VA Linux Systems Inc., Fremont, California.
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*
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation on the rights to use, copy, modify, merge,
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* publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial
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* portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NON-INFRINGEMENT. IN NO EVENT SHALL ATI, PRECISION INSIGHT, VA LINUX
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* SYSTEMS AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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/*
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* Authors:
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* Kevin E. Martin <martin@valinux.com>
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* Gareth Hughes <gareth@valinux.com>
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*
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*/
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#ifndef _R128_SAREA_H_
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#define _R128_SAREA_H_
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/* WARNING: If you change any of these defines, make sure to change the
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* defines in the kernel file (r128_drm.h)
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*/
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#ifndef __R128_SAREA_DEFINES__
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#define __R128_SAREA_DEFINES__
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/* What needs to be changed for the current vertex buffer?
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*/
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#define R128_UPLOAD_CONTEXT 0x001
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#define R128_UPLOAD_SETUP 0x002
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#define R128_UPLOAD_TEX0 0x004
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#define R128_UPLOAD_TEX1 0x008
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#define R128_UPLOAD_TEX0IMAGES 0x010
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#define R128_UPLOAD_TEX1IMAGES 0x020
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#define R128_UPLOAD_CORE 0x040
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#define R128_UPLOAD_MASKS 0x080
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#define R128_UPLOAD_WINDOW 0x100
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#define R128_UPLOAD_CLIPRECTS 0x200 /* handled client-side */
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#define R128_REQUIRE_QUIESCENCE 0x400
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#define R128_UPLOAD_ALL 0x7ff
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#define R128_FRONT 0x1
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#define R128_BACK 0x2
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#define R128_DEPTH 0x4
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/* Primitive types
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*/
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#define R128_POINTS 0x1
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#define R128_LINES 0x2
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#define R128_LINE_STRIP 0x3
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#define R128_TRIANGLES 0x4
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#define R128_TRIANGLE_FAN 0x5
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#define R128_TRIANGLE_STRIP 0x6
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/* Vertex/indirect buffer size
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*/
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#define R128_BUFFER_SIZE 16384
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/* Byte offsets for indirect buffer data
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*/
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#define R128_INDEX_PRIM_OFFSET 20
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#define R128_HOSTDATA_BLIT_OFFSET 32
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/* Keep these small for testing
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*/
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#define R128_NR_SAREA_CLIPRECTS 12
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#define R128_NR_CONTEXT_REGS 12
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#define R128_MAX_TEXTURE_LEVELS 11
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#define R128_MAX_TEXTURE_UNITS 2
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#endif /* __R128_SAREA_DEFINES__ */
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typedef struct {
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/* Context state - can be written in one large chunk */
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unsigned int dst_pitch_offset_c;
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unsigned int dp_gui_master_cntl_c;
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unsigned int sc_top_left_c;
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unsigned int sc_bottom_right_c;
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unsigned int z_offset_c;
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unsigned int z_pitch_c;
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unsigned int z_sten_cntl_c;
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unsigned int tex_cntl_c;
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unsigned int misc_3d_state_cntl_reg;
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unsigned int texture_clr_cmp_clr_c;
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unsigned int texture_clr_cmp_msk_c;
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unsigned int fog_color_c;
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/* Texture state */
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unsigned int tex_size_pitch_c;
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unsigned int constant_color_c;
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/* Setup state */
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unsigned int pm4_vc_fpu_setup;
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unsigned int setup_cntl;
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/* Mask state */
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unsigned int dp_write_mask;
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unsigned int sten_ref_mask_c;
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unsigned int plane_3d_mask_c;
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/* Window state */
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unsigned int window_xy_offset;
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/* Core state */
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unsigned int scale_3d_cntl;
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} r128_context_regs_t;
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/* Setup registers for each texture unit
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*/
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typedef struct {
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unsigned int tex_cntl;
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unsigned int tex_combine_cntl;
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unsigned int tex_size_pitch;
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unsigned int tex_offset[R128_MAX_TEXTURE_LEVELS];
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unsigned int tex_border_color;
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} r128_texture_regs_t;
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typedef struct {
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/* The channel for communication of state information to the kernel
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* on firing a vertex buffer.
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*/
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r128_context_regs_t ContextState;
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r128_texture_regs_t TexState[R128_MAX_TEXTURE_UNITS];
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unsigned int dirty;
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unsigned int vertsize;
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unsigned int vc_format;
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#ifdef XF86DRI
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/* The current cliprects, or a subset thereof.
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*/
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XF86DRIClipRectRec boxes[R128_NR_SAREA_CLIPRECTS];
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unsigned int nbox;
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#endif
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/* Counters for throttling of rendering clients.
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*/
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unsigned int last_frame;
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unsigned int last_dispatch;
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/* Maintain an LRU of contiguous regions of texture space. If you
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* think you own a region of texture memory, and it has an age
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* different to the one you set, then you are mistaken and it has
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* been stolen by another client. If global texAge hasn't changed,
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* 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 texture
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* information of other clients - by maintaining them in the same
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* lru which is used to age their own textures, clients have an
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* approximate lru for the whole of global texture space, and can
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* make informed decisions as to which areas to kick out. There is
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* no need to choose whether to kick out your own texture or someone
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* else's - simply eject them all in LRU order.
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*/
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/* Last elt is sentinal */
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drmTextureRegion texList[ATI_NR_TEX_HEAPS][ATI_NR_TEX_REGIONS+1];
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/* last time texture was uploaded */
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unsigned int texAge[ATI_NR_TEX_HEAPS];
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int ctxOwner; /* last context to upload state */
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int pfAllowPageFlip; /* set by the 2d driver, read by the client */
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int pfCurrentPage; /* set by kernel, read by others */
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} R128SAREAPriv, *R128SAREAPrivPtr;
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#endif
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