freedreno_util.c revision af69d88d 
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
34unsigned marker_cnt;
35
36enum adreno_rb_depth_format
37fd_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	default:
48		return ~0;
49	}
50}
51
52enum pc_di_index_size
53fd_pipe2index(enum pipe_format format)
54{
55	switch (format) {
56	case PIPE_FORMAT_I8_UINT:
57		return INDEX_SIZE_8_BIT;
58	case PIPE_FORMAT_I16_UINT:
59		return INDEX_SIZE_16_BIT;
60	case PIPE_FORMAT_I32_UINT:
61		return INDEX_SIZE_32_BIT;
62	default:
63		return ~0;
64	}
65}
66
67
68enum adreno_rb_blend_factor
69fd_blend_factor(unsigned factor)
70{
71	switch (factor) {
72	case PIPE_BLENDFACTOR_ONE:
73		return FACTOR_ONE;
74	case PIPE_BLENDFACTOR_SRC_COLOR:
75		return FACTOR_SRC_COLOR;
76	case PIPE_BLENDFACTOR_SRC_ALPHA:
77		return FACTOR_SRC_ALPHA;
78	case PIPE_BLENDFACTOR_DST_ALPHA:
79		return FACTOR_DST_ALPHA;
80	case PIPE_BLENDFACTOR_DST_COLOR:
81		return FACTOR_DST_COLOR;
82	case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE:
83		return FACTOR_SRC_ALPHA_SATURATE;
84	case PIPE_BLENDFACTOR_CONST_COLOR:
85		return FACTOR_CONSTANT_COLOR;
86	case PIPE_BLENDFACTOR_CONST_ALPHA:
87		return FACTOR_CONSTANT_ALPHA;
88	case PIPE_BLENDFACTOR_ZERO:
89	case 0:
90		return FACTOR_ZERO;
91	case PIPE_BLENDFACTOR_INV_SRC_COLOR:
92		return FACTOR_ONE_MINUS_SRC_COLOR;
93	case PIPE_BLENDFACTOR_INV_SRC_ALPHA:
94		return FACTOR_ONE_MINUS_SRC_ALPHA;
95	case PIPE_BLENDFACTOR_INV_DST_ALPHA:
96		return FACTOR_ONE_MINUS_DST_ALPHA;
97	case PIPE_BLENDFACTOR_INV_DST_COLOR:
98		return FACTOR_ONE_MINUS_DST_COLOR;
99	case PIPE_BLENDFACTOR_INV_CONST_COLOR:
100		return FACTOR_ONE_MINUS_CONSTANT_COLOR;
101	case PIPE_BLENDFACTOR_INV_CONST_ALPHA:
102		return FACTOR_ONE_MINUS_CONSTANT_ALPHA;
103	case PIPE_BLENDFACTOR_INV_SRC1_COLOR:
104	case PIPE_BLENDFACTOR_INV_SRC1_ALPHA:
105	case PIPE_BLENDFACTOR_SRC1_COLOR:
106	case PIPE_BLENDFACTOR_SRC1_ALPHA:
107		/* I don't think these are supported */
108	default:
109		DBG("invalid blend factor: %x", factor);
110		return 0;
111	}
112}
113
114enum adreno_pa_su_sc_draw
115fd_polygon_mode(unsigned mode)
116{
117	switch (mode) {
118	case PIPE_POLYGON_MODE_POINT:
119		return PC_DRAW_POINTS;
120	case PIPE_POLYGON_MODE_LINE:
121		return PC_DRAW_LINES;
122	case PIPE_POLYGON_MODE_FILL:
123		return PC_DRAW_TRIANGLES;
124	default:
125		DBG("invalid polygon mode: %u", mode);
126		return 0;
127	}
128}
129
130enum adreno_stencil_op
131fd_stencil_op(unsigned op)
132{
133	switch (op) {
134	case PIPE_STENCIL_OP_KEEP:
135		return STENCIL_KEEP;
136	case PIPE_STENCIL_OP_ZERO:
137		return STENCIL_ZERO;
138	case PIPE_STENCIL_OP_REPLACE:
139		return STENCIL_REPLACE;
140	case PIPE_STENCIL_OP_INCR:
141		return STENCIL_INCR_CLAMP;
142	case PIPE_STENCIL_OP_DECR:
143		return STENCIL_DECR_CLAMP;
144	case PIPE_STENCIL_OP_INCR_WRAP:
145		return STENCIL_INCR_WRAP;
146	case PIPE_STENCIL_OP_DECR_WRAP:
147		return STENCIL_DECR_WRAP;
148	case PIPE_STENCIL_OP_INVERT:
149		return STENCIL_INVERT;
150	default:
151		DBG("invalid stencil op: %u", op);
152		return 0;
153	}
154}
155