1 /************************************************************************** 2 * 3 * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. 4 * All Rights Reserved. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sub license, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the 15 * next paragraph) shall be included in all copies or substantial portions 16 * of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR 22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25 * 26 **************************************************************************/ 27 28 #ifndef I830CONTEXT_INC 29 #define I830CONTEXT_INC 30 31 #include "intel_context.h" 32 33 #define I830_FALLBACK_TEXTURE 0x1000 34 #define I830_FALLBACK_COLORMASK 0x2000 35 #define I830_FALLBACK_STENCIL 0x4000 36 #define I830_FALLBACK_STIPPLE 0x8000 37 #define I830_FALLBACK_LOGICOP 0x20000 38 #define I830_FALLBACK_DRAW_OFFSET 0x200000 39 40 #define I830_UPLOAD_CTX 0x1 41 #define I830_UPLOAD_BUFFERS 0x2 42 #define I830_UPLOAD_STIPPLE 0x4 43 #define I830_UPLOAD_INVARIENT 0x8 44 #define I830_UPLOAD_RASTER_RULES 0x10 45 #define I830_UPLOAD_TEX(i) (0x10<<(i)) 46 #define I830_UPLOAD_TEXBLEND(i) (0x100<<(i)) 47 #define I830_UPLOAD_TEX_ALL (0x0f0) 48 #define I830_UPLOAD_TEXBLEND_ALL (0xf00) 49 50 /* State structure offsets - these will probably disappear. 51 */ 52 #define I830_DESTREG_CBUFADDR0 0 53 #define I830_DESTREG_CBUFADDR1 1 54 #define I830_DESTREG_DBUFADDR0 2 55 #define I830_DESTREG_DBUFADDR1 3 56 #define I830_DESTREG_DV0 4 57 #define I830_DESTREG_DV1 5 58 #define I830_DESTREG_SENABLE 6 59 #define I830_DESTREG_SR0 7 60 #define I830_DESTREG_SR1 8 61 #define I830_DESTREG_SR2 9 62 #define I830_DESTREG_DRAWRECT0 10 63 #define I830_DESTREG_DRAWRECT1 11 64 #define I830_DESTREG_DRAWRECT2 12 65 #define I830_DESTREG_DRAWRECT3 13 66 #define I830_DESTREG_DRAWRECT4 14 67 #define I830_DESTREG_DRAWRECT5 15 68 #define I830_DEST_SETUP_SIZE 16 69 70 #define I830_CTXREG_STATE1 0 71 #define I830_CTXREG_STATE2 1 72 #define I830_CTXREG_STATE3 2 73 #define I830_CTXREG_STATE4 3 74 #define I830_CTXREG_STATE5 4 75 #define I830_CTXREG_IALPHAB 5 76 #define I830_CTXREG_STENCILTST 6 77 #define I830_CTXREG_ENABLES_1 7 78 #define I830_CTXREG_ENABLES_2 8 79 #define I830_CTXREG_AA 9 80 #define I830_CTXREG_FOGCOLOR 10 81 #define I830_CTXREG_BLENDCOLOR0 11 82 #define I830_CTXREG_BLENDCOLOR1 12 83 #define I830_CTXREG_VF 13 84 #define I830_CTXREG_VF2 14 85 #define I830_CTXREG_MCSB0 15 86 #define I830_CTXREG_MCSB1 16 87 #define I830_CTX_SETUP_SIZE 17 88 89 #define I830_STPREG_ST0 0 90 #define I830_STPREG_ST1 1 91 #define I830_STP_SETUP_SIZE 2 92 93 #define I830_TEXREG_TM0LI 0 /* load immediate 2 texture map n */ 94 #define I830_TEXREG_TM0S1 1 95 #define I830_TEXREG_TM0S2 2 96 #define I830_TEXREG_TM0S3 3 97 #define I830_TEXREG_TM0S4 4 98 #define I830_TEXREG_MCS 5 /* _3DSTATE_MAP_COORD_SETS */ 99 #define I830_TEXREG_CUBE 6 /* _3DSTATE_MAP_SUBE */ 100 #define I830_TEX_SETUP_SIZE 7 101 102 #define I830_TEXBLEND_SIZE 12 /* (4 args + op) * 2 + COLOR_FACTOR */ 103 104 enum { 105 I830_RASTER_RULES, 106 I830_RASTER_RULES_SIZE 107 }; 108 109 struct i830_texture_object 110 { 111 struct intel_texture_object intel; 112 GLuint Setup[I830_TEX_SETUP_SIZE]; 113 }; 114 115 #define I830_TEX_UNITS 4 116 117 struct i830_hw_state 118 { 119 GLuint Ctx[I830_CTX_SETUP_SIZE]; 120 GLuint Buffer[I830_DEST_SETUP_SIZE]; 121 GLuint Stipple[I830_STP_SETUP_SIZE]; 122 GLuint RasterRules[I830_RASTER_RULES_SIZE]; 123 GLuint Tex[I830_TEX_UNITS][I830_TEX_SETUP_SIZE]; 124 GLuint TexBlend[I830_TEX_UNITS][I830_TEXBLEND_SIZE]; 125 GLuint TexBlendWordsUsed[I830_TEX_UNITS]; 126 127 struct intel_region *draw_region; 128 struct intel_region *depth_region; 129 130 /* Regions aren't actually that appropriate here as the memory may 131 * be from a PBO or FBO. Will have to do this for draw and depth for 132 * FBO's... 133 */ 134 drm_intel_bo *tex_buffer[I830_TEX_UNITS]; 135 GLuint tex_offset[I830_TEX_UNITS]; 136 137 GLuint emitted; /* I810_UPLOAD_* */ 138 GLuint active; 139 }; 140 141 struct i830_context 142 { 143 struct intel_context intel; 144 145 GLuint lodbias_tm0s3[MAX_TEXTURE_UNITS]; 146 GLbitfield64 last_index_bitset; 147 148 struct i830_hw_state state; 149 }; 150 151 152 153 154 #define I830_STATECHANGE(i830, flag) \ 155 do { \ 156 INTEL_FIREVERTICES( &i830->intel ); \ 157 i830->state.emitted &= ~flag; \ 158 } while (0) 159 160 #define I830_ACTIVESTATE(i830, flag, mode) \ 161 do { \ 162 INTEL_FIREVERTICES( &i830->intel ); \ 163 if (mode) \ 164 i830->state.active |= flag; \ 165 else \ 166 i830->state.active &= ~flag; \ 167 } while (0) 168 169 /* i830_vtbl.c 170 */ 171 extern void i830InitVtbl(struct i830_context *i830); 172 173 extern void 174 i830_state_draw_region(struct intel_context *intel, 175 struct i830_hw_state *state, 176 struct intel_region *color_region, 177 struct intel_region *depth_region); 178 /* i830_context.c 179 */ 180 extern bool 181 i830CreateContext(const struct gl_config * mesaVis, 182 __DRIcontext * driContextPriv, 183 void *sharedContextPrivate); 184 185 /* i830_tex.c, i830_texstate.c 186 */ 187 extern void i830UpdateTextureState(struct intel_context *intel); 188 189 extern void i830InitTextureFuncs(struct dd_function_table *functions); 190 191 /* i830_texblend.c 192 */ 193 extern GLuint i830SetTexEnvCombine(struct i830_context *i830, 194 const struct gl_tex_env_combine_state 195 *combine, GLint blendUnit, GLuint texel_op, 196 GLuint * state, const GLfloat * factor); 197 198 extern void i830EmitTextureBlend(struct i830_context *i830); 199 200 201 /* i830_state.c 202 */ 203 extern void i830InitStateFuncs(struct dd_function_table *functions); 204 205 extern void i830EmitState(struct i830_context *i830); 206 207 extern void i830InitState(struct i830_context *i830); 208 extern void i830_update_provoking_vertex(struct gl_context *ctx); 209 210 /*====================================================================== 211 * Inline conversion functions. These are better-typed than the 212 * macros used previously: 213 */ 214 static INLINE struct i830_context * 215 i830_context(struct gl_context * ctx) 216 { 217 return (struct i830_context *) ctx; 218 } 219 220 #endif 221
