src/gallium/drivers/freedreno/freedreno_util.c

   1 /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
   2
   3 /*
   4  * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the next
  14  * paragraph) shall be included in all copies or substantial portions of the
  15  * Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  22  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  23  * SOFTWARE.
  24  *
  25  * Authors:
  26  *    Rob Clark <robclark@freedesktop.org>
  27  */
  28
  29 #include "pipe/p_defines.h"
  30 #include "util/u_format.h"
  31
  32 #include "freedreno_util.h"
  33
  34 unsigned marker_cnt;
  35
  36 enum adreno_rb_depth_format
  37 fd_pipe2depth(enum pipe_format format)
  38 {
  39         switch (format) {
  40         case PIPE_FORMAT_Z16_UNORM:
  41                 return DEPTHX_16;
  42         case PIPE_FORMAT_Z24X8_UNORM:
  43         case PIPE_FORMAT_Z24_UNORM_S8_UINT:
  44         case PIPE_FORMAT_X8Z24_UNORM:
  45         case PIPE_FORMAT_S8_UINT_Z24_UNORM:
  46                 return DEPTHX_24_8;
  47         case PIPE_FORMAT_Z32_FLOAT:
  48         case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
  49                 return DEPTHX_32;
  50         default:
  51                 return ~0;
  52         }
  53 }
  54
  55 enum pc_di_index_size
  56 fd_pipe2index(enum pipe_format format)
  57 {
  58         switch (format) {
  59         case PIPE_FORMAT_I8_UINT:
  60                 return INDEX_SIZE_8_BIT;
  61         case PIPE_FORMAT_I16_UINT:
  62                 return INDEX_SIZE_16_BIT;
  63         case PIPE_FORMAT_I32_UINT:
  64                 return INDEX_SIZE_32_BIT;
  65         default:
  66                 return ~0;
  67         }
  68 }
  69
  70 /* we need to special case a bit the depth/stencil restore, because we are
  71  * using the texture sampler to blit into the depth/stencil buffer, *not*
  72  * into a color buffer.  Otherwise fdN_tex_swiz() will do the wrong thing,
  73  * as it is assuming that you are sampling into normal render target..
  74  */
  75 enum pipe_format
  76 fd_gmem_restore_format(enum pipe_format format)
  77 {
  78         switch (format) {
  79         case PIPE_FORMAT_Z24X8_UNORM:
  80         case PIPE_FORMAT_Z24_UNORM_S8_UINT:
  81                 return PIPE_FORMAT_R8G8B8A8_UNORM;
  82         case PIPE_FORMAT_Z16_UNORM:
  83                 return PIPE_FORMAT_R8G8_UNORM;
  84         case PIPE_FORMAT_S8_UINT:
  85                 return PIPE_FORMAT_R8_UNORM;
  86         default:
  87                 return format;
  88         }
  89 }
  90
  91 enum adreno_rb_blend_factor
  92 fd_blend_factor(unsigned factor)
  93 {
  94         switch (factor) {
  95         case PIPE_BLENDFACTOR_ONE:
  96                 return FACTOR_ONE;
  97         case PIPE_BLENDFACTOR_SRC_COLOR:
  98                 return FACTOR_SRC_COLOR;
  99         case PIPE_BLENDFACTOR_SRC_ALPHA:
 100                 return FACTOR_SRC_ALPHA;
 101         case PIPE_BLENDFACTOR_DST_ALPHA:
 102                 return FACTOR_DST_ALPHA;
 103         case PIPE_BLENDFACTOR_DST_COLOR:
 104                 return FACTOR_DST_COLOR;
 105         case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE:
 106                 return FACTOR_SRC_ALPHA_SATURATE;
 107         case PIPE_BLENDFACTOR_CONST_COLOR:
 108                 return FACTOR_CONSTANT_COLOR;
 109         case PIPE_BLENDFACTOR_CONST_ALPHA:
 110                 return FACTOR_CONSTANT_ALPHA;
 111         case PIPE_BLENDFACTOR_ZERO:
 112         case 0:
 113                 return FACTOR_ZERO;
 114         case PIPE_BLENDFACTOR_INV_SRC_COLOR:
 115                 return FACTOR_ONE_MINUS_SRC_COLOR;
 116         case PIPE_BLENDFACTOR_INV_SRC_ALPHA:
 117                 return FACTOR_ONE_MINUS_SRC_ALPHA;
 118         case PIPE_BLENDFACTOR_INV_DST_ALPHA:
 119                 return FACTOR_ONE_MINUS_DST_ALPHA;
 120         case PIPE_BLENDFACTOR_INV_DST_COLOR:
 121                 return FACTOR_ONE_MINUS_DST_COLOR;
 122         case PIPE_BLENDFACTOR_INV_CONST_COLOR:
 123                 return FACTOR_ONE_MINUS_CONSTANT_COLOR;
 124         case PIPE_BLENDFACTOR_INV_CONST_ALPHA:
 125                 return FACTOR_ONE_MINUS_CONSTANT_ALPHA;
 126         case PIPE_BLENDFACTOR_INV_SRC1_COLOR:
 127                 return FACTOR_ONE_MINUS_SRC1_COLOR;
 128         case PIPE_BLENDFACTOR_INV_SRC1_ALPHA:
 129                 return FACTOR_ONE_MINUS_SRC1_ALPHA;
 130         case PIPE_BLENDFACTOR_SRC1_COLOR:
 131                 return FACTOR_SRC1_COLOR;
 132         case PIPE_BLENDFACTOR_SRC1_ALPHA:
 133                 return FACTOR_SRC1_ALPHA;
 134         default:
 135                 DBG("invalid blend factor: %x", factor);
 136                 return 0;
 137         }
 138 }
 139
 140 enum adreno_pa_su_sc_draw
 141 fd_polygon_mode(unsigned mode)
 142 {
 143         switch (mode) {
 144         case PIPE_POLYGON_MODE_POINT:
 145                 return PC_DRAW_POINTS;
 146         case PIPE_POLYGON_MODE_LINE:
 147                 return PC_DRAW_LINES;
 148         case PIPE_POLYGON_MODE_FILL:
 149                 return PC_DRAW_TRIANGLES;
 150         default:
 151                 DBG("invalid polygon mode: %u", mode);
 152                 return 0;
 153         }
 154 }
 155
 156 enum adreno_stencil_op
 157 fd_stencil_op(unsigned op)
 158 {
 159         switch (op) {
 160         case PIPE_STENCIL_OP_KEEP:
 161                 return STENCIL_KEEP;
 162         case PIPE_STENCIL_OP_ZERO:
 163                 return STENCIL_ZERO;
 164         case PIPE_STENCIL_OP_REPLACE:
 165                 return STENCIL_REPLACE;
 166         case PIPE_STENCIL_OP_INCR:
 167                 return STENCIL_INCR_CLAMP;
 168         case PIPE_STENCIL_OP_DECR:
 169                 return STENCIL_DECR_CLAMP;
 170         case PIPE_STENCIL_OP_INCR_WRAP:
 171                 return STENCIL_INCR_WRAP;
 172         case PIPE_STENCIL_OP_DECR_WRAP:
 173                 return STENCIL_DECR_WRAP;
 174         case PIPE_STENCIL_OP_INVERT:
 175                 return STENCIL_INVERT;
 176         default:
 177                 DBG("invalid stencil op: %u", op);
 178                 return 0;
 179         }
 180 }