src/gallium/drivers/freedreno/freedreno_util.c

   1 /*
   2  * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
   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 FROM,
  20  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  21  * SOFTWARE.
  22  *
  23  * Authors:
  24  *    Rob Clark <robclark@freedesktop.org>
  25  */
  26
  27 #include "pipe/p_defines.h"
  28 #include "util/u_format.h"
  29
  30 #include "freedreno_util.h"
  31
  32 unsigned marker_cnt;
  33
  34 enum adreno_rb_depth_format
  35 fd_pipe2depth(enum pipe_format format)
  36 {
  37         switch (format) {
  38         case PIPE_FORMAT_Z16_UNORM:
  39                 return DEPTHX_16;
  40         case PIPE_FORMAT_Z24X8_UNORM:
  41         case PIPE_FORMAT_Z24_UNORM_S8_UINT:
  42         case PIPE_FORMAT_X8Z24_UNORM:
  43         case PIPE_FORMAT_S8_UINT_Z24_UNORM:
  44                 return DEPTHX_24_8;
  45         case PIPE_FORMAT_Z32_FLOAT:
  46         case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
  47                 return DEPTHX_32;
  48         default:
  49                 return ~0;
  50         }
  51 }
  52
  53 enum pc_di_index_size
  54 fd_pipe2index(enum pipe_format format)
  55 {
  56         switch (format) {
  57         case PIPE_FORMAT_I8_UINT:
  58                 return INDEX_SIZE_8_BIT;
  59         case PIPE_FORMAT_I16_UINT:
  60                 return INDEX_SIZE_16_BIT;
  61         case PIPE_FORMAT_I32_UINT:
  62                 return INDEX_SIZE_32_BIT;
  63         default:
  64                 return ~0;
  65         }
  66 }
  67
  68 /* we need to special case a bit the depth/stencil restore, because we are
  69  * using the texture sampler to blit into the depth/stencil buffer, *not*
  70  * into a color buffer.  Otherwise fdN_tex_swiz() will do the wrong thing,
  71  * as it is assuming that you are sampling into normal render target..
  72  */
  73 enum pipe_format
  74 fd_gmem_restore_format(enum pipe_format format)
  75 {
  76         switch (format) {
  77         case PIPE_FORMAT_Z24X8_UNORM:
  78         case PIPE_FORMAT_Z24_UNORM_S8_UINT:
  79                 return PIPE_FORMAT_R8G8B8A8_UNORM;
  80         case PIPE_FORMAT_Z16_UNORM:
  81                 return PIPE_FORMAT_R8G8_UNORM;
  82         case PIPE_FORMAT_S8_UINT:
  83                 return PIPE_FORMAT_R8_UNORM;
  84         default:
  85                 return format;
  86         }
  87 }
  88
  89 enum adreno_rb_blend_factor
  90 fd_blend_factor(unsigned factor)
  91 {
  92         switch (factor) {
  93         case PIPE_BLENDFACTOR_ONE:
  94                 return FACTOR_ONE;
  95         case PIPE_BLENDFACTOR_SRC_COLOR:
  96                 return FACTOR_SRC_COLOR;
  97         case PIPE_BLENDFACTOR_SRC_ALPHA:
  98                 return FACTOR_SRC_ALPHA;
  99         case PIPE_BLENDFACTOR_DST_ALPHA:
 100                 return FACTOR_DST_ALPHA;
 101         case PIPE_BLENDFACTOR_DST_COLOR:
 102                 return FACTOR_DST_COLOR;
 103         case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE:
 104                 return FACTOR_SRC_ALPHA_SATURATE;
 105         case PIPE_BLENDFACTOR_CONST_COLOR:
 106                 return FACTOR_CONSTANT_COLOR;
 107         case PIPE_BLENDFACTOR_CONST_ALPHA:
 108                 return FACTOR_CONSTANT_ALPHA;
 109         case PIPE_BLENDFACTOR_ZERO:
 110         case 0:
 111                 return FACTOR_ZERO;
 112         case PIPE_BLENDFACTOR_INV_SRC_COLOR:
 113                 return FACTOR_ONE_MINUS_SRC_COLOR;
 114         case PIPE_BLENDFACTOR_INV_SRC_ALPHA:
 115                 return FACTOR_ONE_MINUS_SRC_ALPHA;
 116         case PIPE_BLENDFACTOR_INV_DST_ALPHA:
 117                 return FACTOR_ONE_MINUS_DST_ALPHA;
 118         case PIPE_BLENDFACTOR_INV_DST_COLOR:
 119                 return FACTOR_ONE_MINUS_DST_COLOR;
 120         case PIPE_BLENDFACTOR_INV_CONST_COLOR:
 121                 return FACTOR_ONE_MINUS_CONSTANT_COLOR;
 122         case PIPE_BLENDFACTOR_INV_CONST_ALPHA:
 123                 return FACTOR_ONE_MINUS_CONSTANT_ALPHA;
 124         case PIPE_BLENDFACTOR_INV_SRC1_COLOR:
 125                 return FACTOR_ONE_MINUS_SRC1_COLOR;
 126         case PIPE_BLENDFACTOR_INV_SRC1_ALPHA:
 127                 return FACTOR_ONE_MINUS_SRC1_ALPHA;
 128         case PIPE_BLENDFACTOR_SRC1_COLOR:
 129                 return FACTOR_SRC1_COLOR;
 130         case PIPE_BLENDFACTOR_SRC1_ALPHA:
 131                 return FACTOR_SRC1_ALPHA;
 132         default:
 133                 DBG("invalid blend factor: %x", factor);
 134                 return 0;
 135         }
 136 }
 137
 138 enum adreno_pa_su_sc_draw
 139 fd_polygon_mode(unsigned mode)
 140 {
 141         switch (mode) {
 142         case PIPE_POLYGON_MODE_POINT:
 143                 return PC_DRAW_POINTS;
 144         case PIPE_POLYGON_MODE_LINE:
 145                 return PC_DRAW_LINES;
 146         case PIPE_POLYGON_MODE_FILL:
 147                 return PC_DRAW_TRIANGLES;
 148         default:
 149                 DBG("invalid polygon mode: %u", mode);
 150                 return 0;
 151         }
 152 }
 153
 154 enum adreno_stencil_op
 155 fd_stencil_op(unsigned op)
 156 {
 157         switch (op) {
 158         case PIPE_STENCIL_OP_KEEP:
 159                 return STENCIL_KEEP;
 160         case PIPE_STENCIL_OP_ZERO:
 161                 return STENCIL_ZERO;
 162         case PIPE_STENCIL_OP_REPLACE:
 163                 return STENCIL_REPLACE;
 164         case PIPE_STENCIL_OP_INCR:
 165                 return STENCIL_INCR_CLAMP;
 166         case PIPE_STENCIL_OP_DECR:
 167                 return STENCIL_DECR_CLAMP;
 168         case PIPE_STENCIL_OP_INCR_WRAP:
 169                 return STENCIL_INCR_WRAP;
 170         case PIPE_STENCIL_OP_DECR_WRAP:
 171                 return STENCIL_DECR_WRAP;
 172         case PIPE_STENCIL_OP_INVERT:
 173                 return STENCIL_INVERT;
 174         default:
 175                 DBG("invalid stencil op: %u", op);
 176                 return 0;
 177         }
 178 }