r128_sarea.h revision c582b7e3 
1/*
2 * Copyright 1999, 2000 ATI Technologies Inc., Markham, Ontario,
3 *                      Precision Insight, Inc., Cedar Park, Texas, and
4 *                      VA Linux Systems Inc., Fremont, California.
5 *
6 * All Rights Reserved.
7 *
8 * Permission is hereby granted, free of charge, to any person obtaining
9 * a copy of this software and associated documentation files (the
10 * "Software"), to deal in the Software without restriction, including
11 * without limitation on the rights to use, copy, modify, merge,
12 * publish, distribute, sublicense, and/or sell copies of the Software,
13 * and to permit persons to whom the Software is furnished to do so,
14 * subject to the following conditions:
15 *
16 * The above copyright notice and this permission notice (including the
17 * next paragraph) shall be included in all copies or substantial
18 * portions of the Software.
19 *
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
21 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
23 * NON-INFRINGEMENT.  IN NO EVENT SHALL ATI, PRECISION INSIGHT, VA LINUX
24 * SYSTEMS AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
25 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
26 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
27 * OTHER DEALINGS IN THE SOFTWARE.
28 */
29
30/*
31 * Authors:
32 *   Kevin E. Martin <martin@valinux.com>
33 *   Gareth Hughes <gareth@valinux.com>
34 *
35 */
36
37#ifndef _R128_SAREA_H_
38#define _R128_SAREA_H_
39
40#include <X11/Xmd.h>
41
42/* WARNING: If you change any of these defines, make sure to change the
43 * defines in the kernel file (r128_drm.h)
44 */
45#ifndef __R128_SAREA_DEFINES__
46#define __R128_SAREA_DEFINES__
47
48/* What needs to be changed for the current vertex buffer?
49 */
50#define R128_UPLOAD_CONTEXT		0x001
51#define R128_UPLOAD_SETUP		0x002
52#define R128_UPLOAD_TEX0		0x004
53#define R128_UPLOAD_TEX1		0x008
54#define R128_UPLOAD_TEX0IMAGES		0x010
55#define R128_UPLOAD_TEX1IMAGES		0x020
56#define R128_UPLOAD_CORE		0x040
57#define R128_UPLOAD_MASKS		0x080
58#define R128_UPLOAD_WINDOW		0x100
59#define R128_UPLOAD_CLIPRECTS		0x200	/* handled client-side */
60#define R128_REQUIRE_QUIESCENCE		0x400
61#define R128_UPLOAD_ALL			0x7ff
62
63#define R128_FRONT			0x1
64#define R128_BACK			0x2
65#define R128_DEPTH			0x4
66
67/* Primitive types
68 */
69#define R128_POINTS			0x1
70#define R128_LINES			0x2
71#define R128_LINE_STRIP			0x3
72#define R128_TRIANGLES			0x4
73#define R128_TRIANGLE_FAN		0x5
74#define R128_TRIANGLE_STRIP		0x6
75
76/* Vertex/indirect buffer size
77 */
78#define R128_BUFFER_SIZE		16384
79
80/* Byte offsets for indirect buffer data
81 */
82#define R128_INDEX_PRIM_OFFSET		20
83#define R128_HOSTDATA_BLIT_OFFSET	32
84
85/* Keep these small for testing
86 */
87#define R128_NR_SAREA_CLIPRECTS		12
88
89/* There are 2 heaps (local/AGP).  Each region within a heap is a
90 * minimum of 64k, and there are at most 64 of them per heap.
91 */
92#define R128_CARD_HEAP			0
93#define R128_AGP_HEAP			1
94#define R128_NR_TEX_HEAPS		2
95#define R128_NR_TEX_REGIONS		64
96#define R128_LOG_TEX_GRANULARITY	16
97
98#define R128_NR_CONTEXT_REGS		12
99
100#define R128_MAX_TEXTURE_LEVELS		11
101#define R128_MAX_TEXTURE_UNITS		2
102
103#endif /* __R128_SAREA_DEFINES__ */
104
105typedef struct {
106    /* Context state - can be written in one large chunk */
107    unsigned int dst_pitch_offset_c;
108    unsigned int dp_gui_master_cntl_c;
109    unsigned int sc_top_left_c;
110    unsigned int sc_bottom_right_c;
111    unsigned int z_offset_c;
112    unsigned int z_pitch_c;
113    unsigned int z_sten_cntl_c;
114    unsigned int tex_cntl_c;
115    unsigned int misc_3d_state_cntl_reg;
116    unsigned int texture_clr_cmp_clr_c;
117    unsigned int texture_clr_cmp_msk_c;
118    unsigned int fog_color_c;
119
120    /* Texture state */
121    unsigned int tex_size_pitch_c;
122    unsigned int constant_color_c;
123
124    /* Setup state */
125    unsigned int pm4_vc_fpu_setup;
126    unsigned int setup_cntl;
127
128    /* Mask state */
129    unsigned int dp_write_mask;
130    unsigned int sten_ref_mask_c;
131    unsigned int plane_3d_mask_c;
132
133    /* Window state */
134    unsigned int window_xy_offset;
135
136    /* Core state */
137    unsigned int scale_3d_cntl;
138} r128_context_regs_t;
139
140/* Setup registers for each texture unit
141 */
142typedef struct {
143    unsigned int tex_cntl;
144    unsigned int tex_combine_cntl;
145    unsigned int tex_size_pitch;
146    unsigned int tex_offset[R128_MAX_TEXTURE_LEVELS];
147    unsigned int tex_border_color;
148} r128_texture_regs_t;
149
150typedef struct {
151    /* The channel for communication of state information to the kernel
152     * on firing a vertex buffer.
153     */
154    r128_context_regs_t	ContextState;
155    r128_texture_regs_t	TexState[R128_MAX_TEXTURE_UNITS];
156    unsigned int dirty;
157    unsigned int vertsize;
158    unsigned int vc_format;
159
160    /* The current cliprects, or a subset thereof.
161     */
162    drm_clip_rect_t boxes[R128_NR_SAREA_CLIPRECTS];
163    unsigned int nbox;
164
165    /* Counters for throttling of rendering clients.
166     */
167    unsigned int last_frame;
168    unsigned int last_dispatch;
169
170    /* Maintain an LRU of contiguous regions of texture space.  If you
171     * think you own a region of texture memory, and it has an age
172     * different to the one you set, then you are mistaken and it has
173     * been stolen by another client.  If global texAge hasn't changed,
174     * there is no need to walk the list.
175     *
176     * These regions can be used as a proxy for the fine-grained texture
177     * information of other clients - by maintaining them in the same
178     * lru which is used to age their own textures, clients have an
179     * approximate lru for the whole of global texture space, and can
180     * make informed decisions as to which areas to kick out.  There is
181     * no need to choose whether to kick out your own texture or someone
182     * else's - simply eject them all in LRU order.
183     */
184				/* Last elt is sentinal */
185    drmTextureRegion texList[R128_NR_TEX_HEAPS][R128_NR_TEX_REGIONS+1];
186				/* last time texture was uploaded */
187    unsigned int texAge[R128_NR_TEX_HEAPS];
188
189    int ctxOwner;		/* last context to upload state */
190    int pfAllowPageFlip;	/* set by the 2d driver, read by the client */
191    int pfCurrentPage;		/* set by kernel, read by others */
192} R128SAREAPriv, *R128SAREAPrivPtr;
193
194#endif
195