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 (at) valinux.com> 33 * Gareth Hughes <gareth (at) 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__ */ 104 105 typedef 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 */ 142 typedef 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; 149 150 typedef 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 sentinel */ 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
Indexes created Fri Jul 24 00:25:35 UTC 2026