1 /************************************************************************** 2 * 3 * Copyright 2003 VMware, Inc. 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 VMWARE 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 I915_CONTEXT_H 29 #define I915_CONTEXT_H 30 31 32 #include "pipe/p_context.h" 33 #include "pipe/p_defines.h" 34 #include "pipe/p_state.h" 35 36 #include "draw/draw_vertex.h" 37 38 #include "tgsi/tgsi_scan.h" 39 40 #include "util/slab.h" 41 #include "util/u_blitter.h" 42 43 44 struct i915_winsys; 45 struct i915_winsys_buffer; 46 struct i915_winsys_batchbuffer; 47 48 49 #define I915_TEX_UNITS 8 50 51 #define I915_DYNAMIC_MODES4 0 52 #define I915_DYNAMIC_DEPTHSCALE_0 1 /* just the header */ 53 #define I915_DYNAMIC_DEPTHSCALE_1 2 54 #define I915_DYNAMIC_IAB 3 55 #define I915_DYNAMIC_BC_0 4 /* just the header */ 56 #define I915_DYNAMIC_BC_1 5 57 #define I915_DYNAMIC_BFO_0 6 58 #define I915_DYNAMIC_BFO_1 7 59 #define I915_DYNAMIC_STP_0 8 60 #define I915_DYNAMIC_STP_1 9 61 #define I915_DYNAMIC_SC_ENA_0 10 62 #define I915_DYNAMIC_SC_RECT_0 11 63 #define I915_DYNAMIC_SC_RECT_1 12 64 #define I915_DYNAMIC_SC_RECT_2 13 65 #define I915_MAX_DYNAMIC 14 66 67 68 #define I915_IMMEDIATE_S0 0 69 #define I915_IMMEDIATE_S1 1 70 #define I915_IMMEDIATE_S2 2 71 #define I915_IMMEDIATE_S3 3 72 #define I915_IMMEDIATE_S4 4 73 #define I915_IMMEDIATE_S5 5 74 #define I915_IMMEDIATE_S6 6 75 #define I915_IMMEDIATE_S7 7 76 #define I915_MAX_IMMEDIATE 8 77 78 /* These must mach the order of LI0_STATE_* bits, as they will be used 79 * to generate hardware packets: 80 */ 81 #define I915_CACHE_STATIC 0 82 #define I915_CACHE_DYNAMIC 1 /* handled specially */ 83 #define I915_CACHE_SAMPLER 2 84 #define I915_CACHE_MAP 3 85 #define I915_CACHE_PROGRAM 4 86 #define I915_CACHE_CONSTANTS 5 87 #define I915_MAX_CACHE 6 88 89 #define I915_MAX_CONSTANT 32 90 91 92 /** See constant_flags[] below */ 93 #define I915_CONSTFLAG_USER 0x1f 94 95 96 /** 97 * Subclass of pipe_shader_state 98 */ 99 struct i915_fragment_shader 100 { 101 struct pipe_shader_state state; 102 103 struct tgsi_shader_info info; 104 105 struct draw_fragment_shader *draw_data; 106 107 uint *decl; 108 uint decl_len; 109 110 uint *program; 111 uint program_len; 112 113 /** 114 * constants introduced during translation. 115 * These are placed at the end of the constant buffer and grow toward 116 * the beginning (eg: slot 31, 30 29, ...) 117 * User-provided constants start at 0. 118 * This allows both types of constants to co-exist (until there's too many) 119 * and doesn't require regenerating/changing the fragment program to 120 * shuffle constants around. 121 */ 122 uint num_constants; 123 float constants[I915_MAX_CONSTANT][4]; 124 125 /** 126 * Status of each constant 127 * if I915_CONSTFLAG_PARAM, the value must be taken from the corresponding 128 * slot of the user's constant buffer. (set by pipe->set_constant_buffer()) 129 * Else, the bitmask indicates which components are occupied by immediates. 130 */ 131 ubyte constant_flags[I915_MAX_CONSTANT]; 132 133 /** 134 * The mapping between generics and hw texture coords. 135 * We need to share this between the vertex and fragment stages. 136 **/ 137 int generic_mapping[I915_TEX_UNITS]; 138 }; 139 140 141 struct i915_cache_context; 142 143 /* Use to calculate differences between state emitted to hardware and 144 * current driver-calculated state. 145 */ 146 struct i915_state 147 { 148 unsigned immediate[I915_MAX_IMMEDIATE]; 149 unsigned dynamic[I915_MAX_DYNAMIC]; 150 151 /** number of constants passed in through a constant buffer */ 152 uint num_user_constants[PIPE_SHADER_TYPES]; 153 154 /* texture sampler state */ 155 unsigned sampler[I915_TEX_UNITS][3]; 156 unsigned sampler_enable_flags; 157 unsigned sampler_enable_nr; 158 159 /* texture image buffers */ 160 unsigned texbuffer[I915_TEX_UNITS][3]; 161 162 /** Describes the current hardware vertex layout */ 163 struct vertex_info vertex_info; 164 165 /* static state (dst/depth buffer state) */ 166 struct i915_winsys_buffer *cbuf_bo; 167 unsigned cbuf_flags; 168 struct i915_winsys_buffer *depth_bo; 169 unsigned depth_flags; 170 unsigned dst_buf_vars; 171 uint32_t draw_offset; 172 uint32_t draw_size; 173 uint32_t target_fixup_format; 174 uint32_t fixup_swizzle; 175 176 unsigned id; /* track lost context events */ 177 }; 178 179 struct i915_blend_state { 180 unsigned iab; 181 unsigned modes4; 182 unsigned LIS5; 183 unsigned LIS6; 184 }; 185 186 struct i915_depth_stencil_state { 187 unsigned stencil_modes4; 188 unsigned bfo[2]; 189 unsigned stencil_LIS5; 190 unsigned depth_LIS6; 191 }; 192 193 struct i915_rasterizer_state { 194 struct pipe_rasterizer_state templ; 195 196 unsigned light_twoside : 1; 197 unsigned st; 198 199 unsigned LIS4; 200 unsigned LIS7; 201 unsigned sc[1]; 202 203 union { float f; unsigned u; } ds[2]; 204 }; 205 206 struct i915_sampler_state { 207 struct pipe_sampler_state templ; 208 unsigned state[3]; 209 unsigned minlod; 210 unsigned maxlod; 211 }; 212 213 struct i915_velems_state { 214 unsigned count; 215 struct pipe_vertex_element velem[PIPE_MAX_ATTRIBS]; 216 }; 217 218 219 struct i915_context { 220 struct pipe_context base; 221 222 struct i915_winsys *iws; 223 224 struct draw_context *draw; 225 226 /* The most recent drawing state as set by the driver: 227 */ 228 const struct i915_blend_state *blend; 229 const struct i915_sampler_state *fragment_sampler[PIPE_MAX_SAMPLERS]; 230 struct pipe_sampler_state *vertex_samplers[PIPE_MAX_SAMPLERS]; 231 const struct i915_depth_stencil_state *depth_stencil; 232 const struct i915_rasterizer_state *rasterizer; 233 234 struct i915_fragment_shader *fs; 235 236 void *vs; 237 238 struct i915_velems_state *velems; 239 unsigned nr_vertex_buffers; 240 struct pipe_vertex_buffer vertex_buffers[PIPE_MAX_ATTRIBS]; 241 242 struct pipe_blend_color blend_color; 243 struct pipe_stencil_ref stencil_ref; 244 struct pipe_clip_state clip; 245 struct pipe_resource *constants[PIPE_SHADER_TYPES]; 246 struct pipe_framebuffer_state framebuffer; 247 struct pipe_poly_stipple poly_stipple; 248 struct pipe_scissor_state scissor; 249 struct pipe_sampler_view *fragment_sampler_views[PIPE_MAX_SAMPLERS]; 250 struct pipe_sampler_view *vertex_sampler_views[PIPE_MAX_SAMPLERS]; 251 struct pipe_viewport_state viewport; 252 struct pipe_index_buffer index_buffer; 253 254 unsigned dirty; 255 256 struct pipe_resource *mapped_vs_tex[PIPE_MAX_SAMPLERS]; 257 struct i915_winsys_buffer* mapped_vs_tex_buffer[PIPE_MAX_SAMPLERS]; 258 259 unsigned num_samplers; 260 unsigned num_fragment_sampler_views; 261 unsigned num_vertex_samplers; 262 unsigned num_vertex_sampler_views; 263 264 struct i915_winsys_batchbuffer *batch; 265 266 /** Vertex buffer */ 267 struct i915_winsys_buffer *vbo; 268 size_t vbo_offset; 269 unsigned vbo_flushed; 270 271 struct i915_state current; 272 unsigned hardware_dirty; 273 unsigned immediate_dirty : I915_MAX_IMMEDIATE; 274 unsigned dynamic_dirty : I915_MAX_DYNAMIC; 275 unsigned static_dirty : 4; 276 unsigned flush_dirty : 2; 277 278 struct i915_winsys_buffer *validation_buffers[2 + 1 + I915_TEX_UNITS]; 279 int num_validation_buffers; 280 281 struct slab_mempool transfer_pool; 282 struct slab_mempool texture_transfer_pool; 283 284 /* state for tracking flushes */ 285 int last_fired_vertices; 286 int fired_vertices; 287 int queued_vertices; 288 289 /** blitter/hw-clear */ 290 struct blitter_context* blitter; 291 }; 292 293 /* A flag for each state_tracker state object: 294 */ 295 #define I915_NEW_VIEWPORT 0x1 296 #define I915_NEW_RASTERIZER 0x2 297 #define I915_NEW_FS 0x4 298 #define I915_NEW_BLEND 0x8 299 #define I915_NEW_CLIP 0x10 300 #define I915_NEW_SCISSOR 0x20 301 #define I915_NEW_STIPPLE 0x40 302 #define I915_NEW_FRAMEBUFFER 0x80 303 #define I915_NEW_ALPHA_TEST 0x100 304 #define I915_NEW_DEPTH_STENCIL 0x200 305 #define I915_NEW_SAMPLER 0x400 306 #define I915_NEW_SAMPLER_VIEW 0x800 307 #define I915_NEW_VS_CONSTANTS 0x1000 308 #define I915_NEW_FS_CONSTANTS 0x2000 309 #define I915_NEW_GS_CONSTANTS 0x4000 310 #define I915_NEW_VBO 0x8000 311 #define I915_NEW_VS 0x10000 312 313 314 /* Driver's internally generated state flags: 315 */ 316 #define I915_NEW_VERTEX_FORMAT 0x10000 317 318 319 /* Dirty flags for hardware emit 320 */ 321 #define I915_HW_STATIC (1<<I915_CACHE_STATIC) 322 #define I915_HW_DYNAMIC (1<<I915_CACHE_DYNAMIC) 323 #define I915_HW_SAMPLER (1<<I915_CACHE_SAMPLER) 324 #define I915_HW_MAP (1<<I915_CACHE_MAP) 325 #define I915_HW_PROGRAM (1<<I915_CACHE_PROGRAM) 326 #define I915_HW_CONSTANTS (1<<I915_CACHE_CONSTANTS) 327 #define I915_HW_IMMEDIATE (1<<(I915_MAX_CACHE+0)) 328 #define I915_HW_INVARIANT (1<<(I915_MAX_CACHE+1)) 329 #define I915_HW_FLUSH (1<<(I915_MAX_CACHE+1)) 330 331 /* hw flush handling */ 332 #define I915_FLUSH_CACHE 1 333 #define I915_PIPELINE_FLUSH 2 334 335 /* split up static state */ 336 #define I915_DST_BUF_COLOR 1 337 #define I915_DST_BUF_DEPTH 2 338 #define I915_DST_VARS 4 339 #define I915_DST_RECT 8 340 341 static inline 342 void i915_set_flush_dirty(struct i915_context *i915, unsigned flush) 343 { 344 i915->hardware_dirty |= I915_HW_FLUSH; 345 i915->flush_dirty |= flush; 346 } 347 348 349 /*********************************************************************** 350 * i915_prim_emit.c: 351 */ 352 struct draw_stage *i915_draw_render_stage( struct i915_context *i915 ); 353 354 355 /*********************************************************************** 356 * i915_prim_vbuf.c: 357 */ 358 struct draw_stage *i915_draw_vbuf_stage( struct i915_context *i915 ); 359 360 361 /*********************************************************************** 362 * i915_state.c: 363 */ 364 void i915_prepare_vertex_sampling(struct i915_context *i915); 365 void i915_cleanup_vertex_sampling(struct i915_context *i915); 366 367 368 369 /*********************************************************************** 370 * i915_state_emit.c: 371 */ 372 void i915_emit_hardware_state(struct i915_context *i915 ); 373 374 375 376 /*********************************************************************** 377 * i915_clear.c: 378 */ 379 void i915_clear_blitter(struct pipe_context *pipe, unsigned buffers, 380 const union pipe_color_union *color, 381 double depth, unsigned stencil); 382 void i915_clear_render(struct pipe_context *pipe, unsigned buffers, 383 const union pipe_color_union *color, 384 double depth, unsigned stencil); 385 void i915_clear_emit(struct pipe_context *pipe, unsigned buffers, 386 const union pipe_color_union *color, 387 double depth, unsigned stencil, 388 unsigned destx, unsigned desty, unsigned width, unsigned height); 389 390 391 /*********************************************************************** 392 * 393 */ 394 void i915_init_state_functions( struct i915_context *i915 ); 395 void i915_init_flush_functions( struct i915_context *i915 ); 396 void i915_init_string_functions( struct i915_context *i915 ); 397 398 399 /************************************************************************ 400 * i915_context.c 401 */ 402 struct pipe_context *i915_create_context(struct pipe_screen *screen, 403 void *priv, unsigned flags); 404 405 406 /*********************************************************************** 407 * Inline conversion functions. These are better-typed than the 408 * macros used previously: 409 */ 410 static inline struct i915_context * 411 i915_context( struct pipe_context *pipe ) 412 { 413 return (struct i915_context *)pipe; 414 } 415 416 417 #endif 418
