freedreno_util.c revision b8e80941 
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
32unsigned 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_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 */
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