src/gallium/drivers/swr/swr_state.h

   1 /****************************************************************************
   2  * Copyright (C) 2015 Intel Corporation.   All Rights Reserved.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  21  * IN THE SOFTWARE.
  22  ***************************************************************************/
  23
  24 #ifndef SWR_STATE_H
  25 #define SWR_STATE_H
  26
  27 #include "pipe/p_defines.h"
  28 #include "tgsi/tgsi_scan.h"
  29 #include "tgsi/tgsi_parse.h"
  30 #include "tgsi/tgsi_dump.h"
  31 #include "gallivm/lp_bld_init.h"
  32 #include "gallivm/lp_bld_tgsi.h"
  33 #include "util/crc32.h"
  34 #include "api.h"
  35 #include "swr_tex_sample.h"
  36 #include "swr_shader.h"
  37 #include <unordered_map>
  38 #include <memory>
  39
  40 template <typename T>
  41 struct ShaderVariant {
  42    struct gallivm_state *gallivm;
  43    T shader;
  44
  45    ShaderVariant(struct gallivm_state *gs, T code) : gallivm(gs), shader(code) {}
  46    ~ShaderVariant() { gallivm_destroy(gallivm); }
  47 };
  48
  49 typedef ShaderVariant<PFN_VERTEX_FUNC> VariantVS;
  50 typedef ShaderVariant<PFN_PIXEL_KERNEL> VariantFS;
  51 typedef ShaderVariant<PFN_GS_FUNC> VariantGS;
  52
  53 /* skeleton */
  54 struct swr_vertex_shader {
  55    struct pipe_shader_state pipe;
  56    struct lp_tgsi_info info;
  57    std::unordered_map<swr_jit_vs_key, std::unique_ptr<VariantVS>> map;
  58    SWR_STREAMOUT_STATE soState;
  59    PFN_SO_FUNC soFunc[PIPE_PRIM_MAX] {0};
  60 };
  61
  62 struct swr_fragment_shader {
  63    struct pipe_shader_state pipe;
  64    struct lp_tgsi_info info;
  65    uint32_t constantMask;
  66    uint32_t flatConstantMask;
  67    uint32_t pointSpriteMask;
  68    std::unordered_map<swr_jit_fs_key, std::unique_ptr<VariantFS>> map;
  69 };
  70
  71 struct swr_geometry_shader {
  72    struct pipe_shader_state pipe;
  73    struct lp_tgsi_info info;
  74    SWR_GS_STATE gsState;
  75
  76    std::unordered_map<swr_jit_gs_key, std::unique_ptr<VariantGS>> map;
  77 };
  78
  79 /* Vertex element state */
  80 struct swr_vertex_element_state {
  81    FETCH_COMPILE_STATE fsState;
  82    PFN_FETCH_FUNC fsFunc {NULL};
  83    uint32_t stream_pitch[PIPE_MAX_ATTRIBS] {0};
  84    uint32_t min_instance_div[PIPE_MAX_ATTRIBS] {0};
  85    uint32_t instanced_bufs {0};
  86    std::unordered_map<swr_jit_fetch_key, PFN_FETCH_FUNC> map;
  87 };
  88
  89 struct swr_blend_state {
  90    struct pipe_blend_state pipe;
  91    SWR_BLEND_STATE blendState;
  92    RENDER_TARGET_BLEND_COMPILE_STATE compileState[PIPE_MAX_COLOR_BUFS];
  93 };
  94
  95 struct swr_poly_stipple {
  96    struct pipe_poly_stipple pipe;
  97    bool prim_is_poly;
  98 };
  99
 100 /*
 101  * Derived SWR API DrawState
 102  * For convenience of making simple changes without re-deriving state.
 103  */
 104 struct swr_derived_state {
 105    SWR_RASTSTATE rastState;
 106    SWR_VIEWPORT vp[KNOB_NUM_VIEWPORTS_SCISSORS];
 107    SWR_VIEWPORT_MATRICES vpm;
 108 };
 109
 110 void swr_update_derived(struct pipe_context *,
 111                         const struct pipe_draw_info * = nullptr);
 112
 113 /*
 114  * Conversion functions: Convert mesa state defines to SWR.
 115  */
 116
 117 static INLINE SWR_LOGIC_OP
 118 swr_convert_logic_op(const UINT op)
 119 {
 120    switch (op) {
 121    case PIPE_LOGICOP_CLEAR:
 122       return LOGICOP_CLEAR;
 123    case PIPE_LOGICOP_NOR:
 124       return LOGICOP_NOR;
 125    case PIPE_LOGICOP_AND_INVERTED:
 126       return LOGICOP_AND_INVERTED;
 127    case PIPE_LOGICOP_COPY_INVERTED:
 128       return LOGICOP_COPY_INVERTED;
 129    case PIPE_LOGICOP_AND_REVERSE:
 130       return LOGICOP_AND_REVERSE;
 131    case PIPE_LOGICOP_INVERT:
 132       return LOGICOP_INVERT;
 133    case PIPE_LOGICOP_XOR:
 134       return LOGICOP_XOR;
 135    case PIPE_LOGICOP_NAND:
 136       return LOGICOP_NAND;
 137    case PIPE_LOGICOP_AND:
 138       return LOGICOP_AND;
 139    case PIPE_LOGICOP_EQUIV:
 140       return LOGICOP_EQUIV;
 141    case PIPE_LOGICOP_NOOP:
 142       return LOGICOP_NOOP;
 143    case PIPE_LOGICOP_OR_INVERTED:
 144       return LOGICOP_OR_INVERTED;
 145    case PIPE_LOGICOP_COPY:
 146       return LOGICOP_COPY;
 147    case PIPE_LOGICOP_OR_REVERSE:
 148       return LOGICOP_OR_REVERSE;
 149    case PIPE_LOGICOP_OR:
 150       return LOGICOP_OR;
 151    case PIPE_LOGICOP_SET:
 152       return LOGICOP_SET;
 153    default:
 154       assert(0 && "Unsupported logic op");
 155       return LOGICOP_NOOP;
 156    }
 157 }
 158
 159 static INLINE SWR_STENCILOP
 160 swr_convert_stencil_op(const UINT op)
 161 {
 162    switch (op) {
 163    case PIPE_STENCIL_OP_KEEP:
 164       return STENCILOP_KEEP;
 165    case PIPE_STENCIL_OP_ZERO:
 166       return STENCILOP_ZERO;
 167    case PIPE_STENCIL_OP_REPLACE:
 168       return STENCILOP_REPLACE;
 169    case PIPE_STENCIL_OP_INCR:
 170       return STENCILOP_INCRSAT;
 171    case PIPE_STENCIL_OP_DECR:
 172       return STENCILOP_DECRSAT;
 173    case PIPE_STENCIL_OP_INCR_WRAP:
 174       return STENCILOP_INCR;
 175    case PIPE_STENCIL_OP_DECR_WRAP:
 176       return STENCILOP_DECR;
 177    case PIPE_STENCIL_OP_INVERT:
 178       return STENCILOP_INVERT;
 179    default:
 180       assert(0 && "Unsupported stencil op");
 181       return STENCILOP_KEEP;
 182    }
 183 }
 184
 185 static INLINE SWR_FORMAT
 186 swr_convert_index_type(const UINT index_size)
 187 {
 188    switch (index_size) {
 189    case sizeof(unsigned char):
 190       return R8_UINT;
 191    case sizeof(unsigned short):
 192       return R16_UINT;
 193    case sizeof(unsigned int):
 194       return R32_UINT;
 195    default:
 196       assert(0 && "Unsupported index type");
 197       return R32_UINT;
 198    }
 199 }
 200
 201
 202 static INLINE SWR_ZFUNCTION
 203 swr_convert_depth_func(const UINT pipe_func)
 204 {
 205    switch (pipe_func) {
 206    case PIPE_FUNC_NEVER:
 207       return ZFUNC_NEVER;
 208    case PIPE_FUNC_LESS:
 209       return ZFUNC_LT;
 210    case PIPE_FUNC_EQUAL:
 211       return ZFUNC_EQ;
 212    case PIPE_FUNC_LEQUAL:
 213       return ZFUNC_LE;
 214    case PIPE_FUNC_GREATER:
 215       return ZFUNC_GT;
 216    case PIPE_FUNC_NOTEQUAL:
 217       return ZFUNC_NE;
 218    case PIPE_FUNC_GEQUAL:
 219       return ZFUNC_GE;
 220    case PIPE_FUNC_ALWAYS:
 221       return ZFUNC_ALWAYS;
 222    default:
 223       assert(0 && "Unsupported depth func");
 224       return ZFUNC_ALWAYS;
 225    }
 226 }
 227
 228
 229 static INLINE SWR_CULLMODE
 230 swr_convert_cull_mode(const UINT cull_face)
 231 {
 232    switch (cull_face) {
 233    case PIPE_FACE_NONE:
 234       return SWR_CULLMODE_NONE;
 235    case PIPE_FACE_FRONT:
 236       return SWR_CULLMODE_FRONT;
 237    case PIPE_FACE_BACK:
 238       return SWR_CULLMODE_BACK;
 239    case PIPE_FACE_FRONT_AND_BACK:
 240       return SWR_CULLMODE_BOTH;
 241    default:
 242       assert(0 && "Invalid cull mode");
 243       return SWR_CULLMODE_NONE;
 244    }
 245 }
 246
 247 static INLINE SWR_BLEND_OP
 248 swr_convert_blend_func(const UINT blend_func)
 249 {
 250    switch (blend_func) {
 251    case PIPE_BLEND_ADD:
 252       return BLENDOP_ADD;
 253    case PIPE_BLEND_SUBTRACT:
 254       return BLENDOP_SUBTRACT;
 255    case PIPE_BLEND_REVERSE_SUBTRACT:
 256       return BLENDOP_REVSUBTRACT;
 257    case PIPE_BLEND_MIN:
 258       return BLENDOP_MIN;
 259    case PIPE_BLEND_MAX:
 260       return BLENDOP_MAX;
 261    default:
 262       assert(0 && "Invalid blend func");
 263       return BLENDOP_ADD;
 264    }
 265 }
 266
 267 static INLINE SWR_BLEND_FACTOR
 268 swr_convert_blend_factor(const UINT blend_factor)
 269 {
 270    switch (blend_factor) {
 271    case PIPE_BLENDFACTOR_ONE:
 272       return BLENDFACTOR_ONE;
 273    case PIPE_BLENDFACTOR_SRC_COLOR:
 274       return BLENDFACTOR_SRC_COLOR;
 275    case PIPE_BLENDFACTOR_SRC_ALPHA:
 276       return BLENDFACTOR_SRC_ALPHA;
 277    case PIPE_BLENDFACTOR_DST_ALPHA:
 278       return BLENDFACTOR_DST_ALPHA;
 279    case PIPE_BLENDFACTOR_DST_COLOR:
 280       return BLENDFACTOR_DST_COLOR;
 281    case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE:
 282       return BLENDFACTOR_SRC_ALPHA_SATURATE;
 283    case PIPE_BLENDFACTOR_CONST_COLOR:
 284       return BLENDFACTOR_CONST_COLOR;
 285    case PIPE_BLENDFACTOR_CONST_ALPHA:
 286       return BLENDFACTOR_CONST_ALPHA;
 287    case PIPE_BLENDFACTOR_SRC1_COLOR:
 288       return BLENDFACTOR_SRC1_COLOR;
 289    case PIPE_BLENDFACTOR_SRC1_ALPHA:
 290       return BLENDFACTOR_SRC1_ALPHA;
 291    case PIPE_BLENDFACTOR_ZERO:
 292       return BLENDFACTOR_ZERO;
 293    case PIPE_BLENDFACTOR_INV_SRC_COLOR:
 294       return BLENDFACTOR_INV_SRC_COLOR;
 295    case PIPE_BLENDFACTOR_INV_SRC_ALPHA:
 296       return BLENDFACTOR_INV_SRC_ALPHA;
 297    case PIPE_BLENDFACTOR_INV_DST_ALPHA:
 298       return BLENDFACTOR_INV_DST_ALPHA;
 299    case PIPE_BLENDFACTOR_INV_DST_COLOR:
 300       return BLENDFACTOR_INV_DST_COLOR;
 301    case PIPE_BLENDFACTOR_INV_CONST_COLOR:
 302       return BLENDFACTOR_INV_CONST_COLOR;
 303    case PIPE_BLENDFACTOR_INV_CONST_ALPHA:
 304       return BLENDFACTOR_INV_CONST_ALPHA;
 305    case PIPE_BLENDFACTOR_INV_SRC1_COLOR:
 306       return BLENDFACTOR_INV_SRC1_COLOR;
 307    case PIPE_BLENDFACTOR_INV_SRC1_ALPHA:
 308       return BLENDFACTOR_INV_SRC1_ALPHA;
 309    default:
 310       assert(0 && "Invalid blend factor");
 311       return BLENDFACTOR_ONE;
 312    }
 313 }
 314
 315 static INLINE enum SWR_SURFACE_TYPE
 316 swr_convert_target_type(const enum pipe_texture_target target)
 317 {
 318    switch (target) {
 319    case PIPE_BUFFER:
 320       return SURFACE_BUFFER;
 321    case PIPE_TEXTURE_1D:
 322    case PIPE_TEXTURE_1D_ARRAY:
 323       return SURFACE_1D;
 324    case PIPE_TEXTURE_2D:
 325    case PIPE_TEXTURE_2D_ARRAY:
 326    case PIPE_TEXTURE_RECT:
 327       return SURFACE_2D;
 328    case PIPE_TEXTURE_3D:
 329       return SURFACE_3D;
 330    case PIPE_TEXTURE_CUBE:
 331    case PIPE_TEXTURE_CUBE_ARRAY:
 332       return SURFACE_CUBE;
 333    default:
 334       assert(0);
 335       return SURFACE_NULL;
 336    }
 337 }
 338
 339 /*
 340  * Convert mesa PIPE_PRIM_X to SWR enum PRIMITIVE_TOPOLOGY
 341  */
 342 static INLINE enum PRIMITIVE_TOPOLOGY
 343 swr_convert_prim_topology(const unsigned mode)
 344 {
 345    switch (mode) {
 346    case PIPE_PRIM_POINTS:
 347       return TOP_POINT_LIST;
 348    case PIPE_PRIM_LINES:
 349       return TOP_LINE_LIST;
 350    case PIPE_PRIM_LINE_LOOP:
 351       return TOP_LINE_LOOP;
 352    case PIPE_PRIM_LINE_STRIP:
 353       return TOP_LINE_STRIP;
 354    case PIPE_PRIM_TRIANGLES:
 355       return TOP_TRIANGLE_LIST;
 356    case PIPE_PRIM_TRIANGLE_STRIP:
 357       return TOP_TRIANGLE_STRIP;
 358    case PIPE_PRIM_TRIANGLE_FAN:
 359       return TOP_TRIANGLE_FAN;
 360    case PIPE_PRIM_QUADS:
 361       return TOP_QUAD_LIST;
 362    case PIPE_PRIM_QUAD_STRIP:
 363       return TOP_QUAD_STRIP;
 364    case PIPE_PRIM_POLYGON:
 365       return TOP_TRIANGLE_FAN; /* XXX TOP_POLYGON; */
 366    case PIPE_PRIM_LINES_ADJACENCY:
 367       return TOP_LINE_LIST_ADJ;
 368    case PIPE_PRIM_LINE_STRIP_ADJACENCY:
 369       return TOP_LISTSTRIP_ADJ;
 370    case PIPE_PRIM_TRIANGLES_ADJACENCY:
 371       return TOP_TRI_LIST_ADJ;
 372    case PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY:
 373       return TOP_TRI_STRIP_ADJ;
 374    default:
 375       assert(0 && "Unknown topology");
 376       return TOP_UNKNOWN;
 377    }
 378 };
 379
 380 /*
 381  * convert mesa PIPE_POLYGON_MODE_X to SWR enum SWR_FILLMODE
 382  */
 383 static INLINE enum SWR_FILLMODE
 384 swr_convert_fill_mode(const unsigned mode)
 385 {
 386    switch(mode) {
 387    case PIPE_POLYGON_MODE_FILL:
 388       return SWR_FILLMODE_SOLID;
 389    case PIPE_POLYGON_MODE_LINE:
 390       return SWR_FILLMODE_WIREFRAME;
 391    case PIPE_POLYGON_MODE_POINT:
 392       return SWR_FILLMODE_POINT;
 393    default:
 394       assert(0 && "Unknown fillmode");
 395       return SWR_FILLMODE_SOLID; // at least do something sensible
 396    }
 397 }
 398
 399 #endif