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 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         default:
  46                 return ~0;
  47         }
  48 }
  49
  50 enum pc_di_index_size
  51 fd_pipe2index(enum pipe_format format)
  52 {
  53         switch (format) {
  54         case PIPE_FORMAT_I8_UINT:
  55                 return INDEX_SIZE_8_BIT;
  56         case PIPE_FORMAT_I16_UINT:
  57                 return INDEX_SIZE_16_BIT;
  58         case PIPE_FORMAT_I32_UINT:
  59                 return INDEX_SIZE_32_BIT;
  60         default:
  61                 return ~0;
  62         }
  63 }
  64
  65
  66 enum adreno_rb_blend_factor
  67 fd_blend_factor(unsigned factor)
  68 {
  69         switch (factor) {
  70         case PIPE_BLENDFACTOR_ONE:
  71                 return FACTOR_ONE;
  72         case PIPE_BLENDFACTOR_SRC_COLOR:
  73                 return FACTOR_SRC_COLOR;
  74         case PIPE_BLENDFACTOR_SRC_ALPHA:
  75                 return FACTOR_SRC_ALPHA;
  76         case PIPE_BLENDFACTOR_DST_ALPHA:
  77                 return FACTOR_DST_ALPHA;
  78         case PIPE_BLENDFACTOR_DST_COLOR:
  79                 return FACTOR_DST_COLOR;
  80         case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE:
  81                 return FACTOR_SRC_ALPHA_SATURATE;
  82         case PIPE_BLENDFACTOR_CONST_COLOR:
  83                 return FACTOR_CONSTANT_COLOR;
  84         case PIPE_BLENDFACTOR_CONST_ALPHA:
  85                 return FACTOR_CONSTANT_ALPHA;
  86         case PIPE_BLENDFACTOR_ZERO:
  87         case 0:
  88                 return FACTOR_ZERO;
  89         case PIPE_BLENDFACTOR_INV_SRC_COLOR:
  90                 return FACTOR_ONE_MINUS_SRC_COLOR;
  91         case PIPE_BLENDFACTOR_INV_SRC_ALPHA:
  92                 return FACTOR_ONE_MINUS_SRC_ALPHA;
  93         case PIPE_BLENDFACTOR_INV_DST_ALPHA:
  94                 return FACTOR_ONE_MINUS_DST_ALPHA;
  95         case PIPE_BLENDFACTOR_INV_DST_COLOR:
  96                 return FACTOR_ONE_MINUS_DST_COLOR;
  97         case PIPE_BLENDFACTOR_INV_CONST_COLOR:
  98                 return FACTOR_ONE_MINUS_CONSTANT_COLOR;
  99         case PIPE_BLENDFACTOR_INV_CONST_ALPHA:
 100                 return FACTOR_ONE_MINUS_CONSTANT_ALPHA;
 101         case PIPE_BLENDFACTOR_INV_SRC1_COLOR:
 102         case PIPE_BLENDFACTOR_INV_SRC1_ALPHA:
 103         case PIPE_BLENDFACTOR_SRC1_COLOR:
 104         case PIPE_BLENDFACTOR_SRC1_ALPHA:
 105                 /* I don't think these are supported */
 106         default:
 107                 DBG("invalid blend factor: %x", factor);
 108                 return 0;
 109         }
 110 }
 111
 112 enum adreno_rb_blend_opcode
 113 fd_blend_func(unsigned func)
 114 {
 115         switch (func) {
 116         case PIPE_BLEND_ADD:
 117                 return BLEND_DST_PLUS_SRC;
 118         case PIPE_BLEND_MIN:
 119                 return BLEND_MIN_DST_SRC;
 120         case PIPE_BLEND_MAX:
 121                 return BLEND_MAX_DST_SRC;
 122         case PIPE_BLEND_SUBTRACT:
 123                 return BLEND_SRC_MINUS_DST;
 124         case PIPE_BLEND_REVERSE_SUBTRACT:
 125                 return BLEND_DST_MINUS_SRC;
 126         default:
 127                 DBG("invalid blend func: %x", func);
 128                 return 0;
 129         }
 130 }
 131
 132 enum adreno_pa_su_sc_draw
 133 fd_polygon_mode(unsigned mode)
 134 {
 135         switch (mode) {
 136         case PIPE_POLYGON_MODE_POINT:
 137                 return PC_DRAW_POINTS;
 138         case PIPE_POLYGON_MODE_LINE:
 139                 return PC_DRAW_LINES;
 140         case PIPE_POLYGON_MODE_FILL:
 141                 return PC_DRAW_TRIANGLES;
 142         default:
 143                 DBG("invalid polygon mode: %u", mode);
 144                 return 0;
 145         }
 146 }
 147
 148 enum adreno_stencil_op
 149 fd_stencil_op(unsigned op)
 150 {
 151         switch (op) {
 152         case PIPE_STENCIL_OP_KEEP:
 153                 return STENCIL_KEEP;
 154         case PIPE_STENCIL_OP_ZERO:
 155                 return STENCIL_ZERO;
 156         case PIPE_STENCIL_OP_REPLACE:
 157                 return STENCIL_REPLACE;
 158         case PIPE_STENCIL_OP_INCR:
 159                 return STENCIL_INCR_CLAMP;
 160         case PIPE_STENCIL_OP_DECR:
 161                 return STENCIL_DECR_CLAMP;
 162         case PIPE_STENCIL_OP_INCR_WRAP:
 163                 return STENCIL_INCR_WRAP;
 164         case PIPE_STENCIL_OP_DECR_WRAP:
 165                 return STENCIL_DECR_WRAP;
 166         case PIPE_STENCIL_OP_INVERT:
 167                 return STENCIL_INVERT;
 168         default:
 169                 DBG("invalid stencil op: %u", op);
 170                 return 0;
 171         }
 172 }