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/format/u_format.h"
29
30#include "freedreno_util.h"
31
32int32_t marker_cnt;
33
34enum adreno_rb_depth_format
35fd_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
53enum pc_di_index_size
54fd_pipe2index(enum pipe_format format)
55{
56   switch (format) {
57   case PIPE_FORMAT_R8_UINT:
58      return INDEX_SIZE_8_BIT;
59   case PIPE_FORMAT_R16_UINT:
60      return INDEX_SIZE_16_BIT;
61   case PIPE_FORMAT_R32_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 */
73enum pipe_format
74fd_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
89enum adreno_rb_blend_factor
90fd_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
138enum adreno_pa_su_sc_draw
139fd_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
154enum adreno_stencil_op
155fd_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}
179