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
  52 /* skeleton */
  53 struct swr_vertex_shader {
  54    struct pipe_shader_state pipe;
  55    struct lp_tgsi_info info;
  56    std::unordered_map<swr_jit_vs_key, std::unique_ptr<VariantVS>> map;
  57    SWR_STREAMOUT_STATE soState;
  58    PFN_SO_FUNC soFunc[PIPE_PRIM_MAX] {0};
  59 };
  60
  61 struct swr_fragment_shader {
  62    struct pipe_shader_state pipe;
  63    struct lp_tgsi_info info;
  64    uint32_t constantMask;
  65    uint32_t flatConstantMask;
  66    uint32_t pointSpriteMask;
  67    std::unordered_map<swr_jit_fs_key, std::unique_ptr<VariantFS>> map;
  68 };
  69
  70 /* Vertex element state */
  71 struct swr_vertex_element_state {
  72    FETCH_COMPILE_STATE fsState;
  73    PFN_FETCH_FUNC fsFunc {NULL};
  74    uint32_t stream_pitch[PIPE_MAX_ATTRIBS] {0};
  75    uint32_t min_instance_div[PIPE_MAX_ATTRIBS] {0};
  76    uint32_t instanced_bufs {0};
  77    std::unordered_map<swr_jit_fetch_key, PFN_FETCH_FUNC> map;
  78 };
  79
  80 struct swr_blend_state {
  81    struct pipe_blend_state pipe;
  82    SWR_BLEND_STATE blendState;
  83    RENDER_TARGET_BLEND_COMPILE_STATE compileState[PIPE_MAX_COLOR_BUFS];
  84 };
  85
  86 /*
  87  * Derived SWR API DrawState
  88  * For convenience of making simple changes without re-deriving state.
  89  */
  90 struct swr_derived_state {
  91    SWR_RASTSTATE rastState;
  92    SWR_VIEWPORT vp;
  93    SWR_VIEWPORT_MATRICES vpm;
  94 };
  95
  96 void swr_update_derived(struct pipe_context *,
  97                         const struct pipe_draw_info * = nullptr);
  98
  99 /*
 100  * Conversion functions: Convert mesa state defines to SWR.
 101  */
 102
 103 static INLINE SWR_LOGIC_OP
 104 swr_convert_logic_op(const UINT op)
 105 {
 106    switch (op) {
 107    case PIPE_LOGICOP_CLEAR:
 108       return LOGICOP_CLEAR;
 109    case PIPE_LOGICOP_NOR:
 110       return LOGICOP_NOR;
 111    case PIPE_LOGICOP_AND_INVERTED:
 112       return LOGICOP_AND_INVERTED;
 113    case PIPE_LOGICOP_COPY_INVERTED:
 114       return LOGICOP_COPY_INVERTED;
 115    case PIPE_LOGICOP_AND_REVERSE:
 116       return LOGICOP_AND_REVERSE;
 117    case PIPE_LOGICOP_INVERT:
 118       return LOGICOP_INVERT;
 119    case PIPE_LOGICOP_XOR:
 120       return LOGICOP_XOR;
 121    case PIPE_LOGICOP_NAND:
 122       return LOGICOP_NAND;
 123    case PIPE_LOGICOP_AND:
 124       return LOGICOP_AND;
 125    case PIPE_LOGICOP_EQUIV:
 126       return LOGICOP_EQUIV;
 127    case PIPE_LOGICOP_NOOP:
 128       return LOGICOP_NOOP;
 129    case PIPE_LOGICOP_OR_INVERTED:
 130       return LOGICOP_OR_INVERTED;
 131    case PIPE_LOGICOP_COPY:
 132       return LOGICOP_COPY;
 133    case PIPE_LOGICOP_OR_REVERSE:
 134       return LOGICOP_OR_REVERSE;
 135    case PIPE_LOGICOP_OR:
 136       return LOGICOP_OR;
 137    case PIPE_LOGICOP_SET:
 138       return LOGICOP_SET;
 139    default:
 140       assert(0 && "Unsupported logic op");
 141       return LOGICOP_NOOP;
 142    }
 143 }
 144
 145 static INLINE SWR_STENCILOP
 146 swr_convert_stencil_op(const UINT op)
 147 {
 148    switch (op) {
 149    case PIPE_STENCIL_OP_KEEP:
 150       return STENCILOP_KEEP;
 151    case PIPE_STENCIL_OP_ZERO:
 152       return STENCILOP_ZERO;
 153    case PIPE_STENCIL_OP_REPLACE:
 154       return STENCILOP_REPLACE;
 155    case PIPE_STENCIL_OP_INCR:
 156       return STENCILOP_INCRSAT;
 157    case PIPE_STENCIL_OP_DECR:
 158       return STENCILOP_DECRSAT;
 159    case PIPE_STENCIL_OP_INCR_WRAP:
 160       return STENCILOP_INCR;
 161    case PIPE_STENCIL_OP_DECR_WRAP:
 162       return STENCILOP_DECR;
 163    case PIPE_STENCIL_OP_INVERT:
 164       return STENCILOP_INVERT;
 165    default:
 166       assert(0 && "Unsupported stencil op");
 167       return STENCILOP_KEEP;
 168    }
 169 }
 170
 171 static INLINE SWR_FORMAT
 172 swr_convert_index_type(const UINT index_size)
 173 {
 174    switch (index_size) {
 175    case sizeof(unsigned char):
 176       return R8_UINT;
 177    case sizeof(unsigned short):
 178       return R16_UINT;
 179    case sizeof(unsigned int):
 180       return R32_UINT;
 181    default:
 182       assert(0 && "Unsupported index type");
 183       return R32_UINT;
 184    }
 185 }
 186
 187
 188 static INLINE SWR_ZFUNCTION
 189 swr_convert_depth_func(const UINT pipe_func)
 190 {
 191    switch (pipe_func) {
 192    case PIPE_FUNC_NEVER:
 193       return ZFUNC_NEVER;
 194    case PIPE_FUNC_LESS:
 195       return ZFUNC_LT;
 196    case PIPE_FUNC_EQUAL:
 197       return ZFUNC_EQ;
 198    case PIPE_FUNC_LEQUAL:
 199       return ZFUNC_LE;
 200    case PIPE_FUNC_GREATER:
 201       return ZFUNC_GT;
 202    case PIPE_FUNC_NOTEQUAL:
 203       return ZFUNC_NE;
 204    case PIPE_FUNC_GEQUAL:
 205       return ZFUNC_GE;
 206    case PIPE_FUNC_ALWAYS:
 207       return ZFUNC_ALWAYS;
 208    default:
 209       assert(0 && "Unsupported depth func");
 210       return ZFUNC_ALWAYS;
 211    }
 212 }
 213
 214
 215 static INLINE SWR_CULLMODE
 216 swr_convert_cull_mode(const UINT cull_face)
 217 {
 218    switch (cull_face) {
 219    case PIPE_FACE_NONE:
 220       return SWR_CULLMODE_NONE;
 221    case PIPE_FACE_FRONT:
 222       return SWR_CULLMODE_FRONT;
 223    case PIPE_FACE_BACK:
 224       return SWR_CULLMODE_BACK;
 225    case PIPE_FACE_FRONT_AND_BACK:
 226       return SWR_CULLMODE_BOTH;
 227    default:
 228       assert(0 && "Invalid cull mode");
 229       return SWR_CULLMODE_NONE;
 230    }
 231 }
 232
 233 static INLINE SWR_BLEND_OP
 234 swr_convert_blend_func(const UINT blend_func)
 235 {
 236    switch (blend_func) {
 237    case PIPE_BLEND_ADD:
 238       return BLENDOP_ADD;
 239    case PIPE_BLEND_SUBTRACT:
 240       return BLENDOP_SUBTRACT;
 241    case PIPE_BLEND_REVERSE_SUBTRACT:
 242       return BLENDOP_REVSUBTRACT;
 243    case PIPE_BLEND_MIN:
 244       return BLENDOP_MIN;
 245    case PIPE_BLEND_MAX:
 246       return BLENDOP_MAX;
 247    default:
 248       assert(0 && "Invalid blend func");
 249       return BLENDOP_ADD;
 250    }
 251 }
 252
 253 static INLINE SWR_BLEND_FACTOR
 254 swr_convert_blend_factor(const UINT blend_factor)
 255 {
 256    switch (blend_factor) {
 257    case PIPE_BLENDFACTOR_ONE:
 258       return BLENDFACTOR_ONE;
 259    case PIPE_BLENDFACTOR_SRC_COLOR:
 260       return BLENDFACTOR_SRC_COLOR;
 261    case PIPE_BLENDFACTOR_SRC_ALPHA:
 262       return BLENDFACTOR_SRC_ALPHA;
 263    case PIPE_BLENDFACTOR_DST_ALPHA:
 264       return BLENDFACTOR_DST_ALPHA;
 265    case PIPE_BLENDFACTOR_DST_COLOR:
 266       return BLENDFACTOR_DST_COLOR;
 267    case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE:
 268       return BLENDFACTOR_SRC_ALPHA_SATURATE;
 269    case PIPE_BLENDFACTOR_CONST_COLOR:
 270       return BLENDFACTOR_CONST_COLOR;
 271    case PIPE_BLENDFACTOR_CONST_ALPHA:
 272       return BLENDFACTOR_CONST_ALPHA;
 273    case PIPE_BLENDFACTOR_SRC1_COLOR:
 274       return BLENDFACTOR_SRC1_COLOR;
 275    case PIPE_BLENDFACTOR_SRC1_ALPHA:
 276       return BLENDFACTOR_SRC1_ALPHA;
 277    case PIPE_BLENDFACTOR_ZERO:
 278       return BLENDFACTOR_ZERO;
 279    case PIPE_BLENDFACTOR_INV_SRC_COLOR:
 280       return BLENDFACTOR_INV_SRC_COLOR;
 281    case PIPE_BLENDFACTOR_INV_SRC_ALPHA:
 282       return BLENDFACTOR_INV_SRC_ALPHA;
 283    case PIPE_BLENDFACTOR_INV_DST_ALPHA:
 284       return BLENDFACTOR_INV_DST_ALPHA;
 285    case PIPE_BLENDFACTOR_INV_DST_COLOR:
 286       return BLENDFACTOR_INV_DST_COLOR;
 287    case PIPE_BLENDFACTOR_INV_CONST_COLOR:
 288       return BLENDFACTOR_INV_CONST_COLOR;
 289    case PIPE_BLENDFACTOR_INV_CONST_ALPHA:
 290       return BLENDFACTOR_INV_CONST_ALPHA;
 291    case PIPE_BLENDFACTOR_INV_SRC1_COLOR:
 292       return BLENDFACTOR_INV_SRC1_COLOR;
 293    case PIPE_BLENDFACTOR_INV_SRC1_ALPHA:
 294       return BLENDFACTOR_INV_SRC1_ALPHA;
 295    default:
 296       assert(0 && "Invalid blend factor");
 297       return BLENDFACTOR_ONE;
 298    }
 299 }
 300
 301 static INLINE enum SWR_SURFACE_TYPE
 302 swr_convert_target_type(const enum pipe_texture_target target)
 303 {
 304    switch (target) {
 305    case PIPE_BUFFER:
 306       return SURFACE_BUFFER;
 307    case PIPE_TEXTURE_1D:
 308    case PIPE_TEXTURE_1D_ARRAY:
 309       return SURFACE_1D;
 310    case PIPE_TEXTURE_2D:
 311    case PIPE_TEXTURE_2D_ARRAY:
 312    case PIPE_TEXTURE_RECT:
 313       return SURFACE_2D;
 314    case PIPE_TEXTURE_3D:
 315       return SURFACE_3D;
 316    case PIPE_TEXTURE_CUBE:
 317    case PIPE_TEXTURE_CUBE_ARRAY:
 318       return SURFACE_CUBE;
 319    default:
 320       assert(0);
 321       return SURFACE_NULL;
 322    }
 323 }
 324 #endif