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