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