1 /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
4 * Copyright (C) 2013 Rob Clark <robclark@freedesktop.org>
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:
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
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
26 * Rob Clark <robclark@freedesktop.org>
29 #ifndef FD3_PROGRAM_H_
30 #define FD3_PROGRAM_H_
32 #include "pipe/p_context.h"
34 #include "freedreno_context.h"
39 typedef uint16_t fd3_semantic
; /* semantic name + index */
40 static inline fd3_semantic
41 fd3_semantic_name(uint8_t name
, uint16_t index
)
43 return (name
<< 8) | (index
& 0xff);
46 static inline uint8_t sem2name(fd3_semantic sem
)
51 static inline uint16_t sem2idx(fd3_semantic sem
)
56 struct fd3_shader_variant
{
59 struct fd3_shader_key key
;
61 struct ir3_shader_info info
;
62 struct ir3_shader
*ir
;
64 /* the instructions length is in units of instruction groups
65 * (4 instructions, 8 dwords):
69 /* the constants length is in units of vec4's, and is the sum of
70 * the uniforms and the built-in compiler constants
75 * + Let the frag shader determine the position/compmask for the
76 * varyings, since it is the place where we know if the varying
77 * is actually used, and if so, which components are used. So
78 * what the hw calls "outloc" is taken from the "inloc" of the
80 * + From the vert shader, we only need the output regid
83 /* for frag shader, pos_regid holds the frag_pos, ie. what is passed
84 * to bary.f instructions
87 bool frag_coord
, frag_face
;
89 /* varyings/outputs: */
90 unsigned outputs_count
;
92 fd3_semantic semantic
;
95 bool writes_pos
, writes_psize
;
97 /* vertices/inputs: */
98 unsigned inputs_count
;
100 fd3_semantic semantic
;
104 /* in theory inloc of fs should match outloc of vs: */
109 unsigned total_in
; /* sum of inputs (scalar) */
111 /* do we have one or more texture sample instructions: */
114 /* const reg # of first immediate, ie. 1 == c1
115 * (not regid, because TGSI thinks in terms of vec4 registers,
116 * not scalar registers)
118 unsigned first_immediate
;
119 unsigned immediates_count
;
124 /* shader varients form a linked list: */
125 struct fd3_shader_variant
*next
;
127 /* replicated here to avoid passing extra ptrs everywhere: */
129 struct fd3_shader_stateobj
*so
;
132 struct fd3_shader_stateobj
{
135 struct pipe_context
*pctx
;
136 const struct tgsi_token
*tokens
;
138 struct fd3_shader_variant
*variants
;
140 /* so far, only used for blit_prog shader.. values for
141 * VPC_VARYING_INTERP[i].MODE and VPC_VARYING_PS_REPL[i].MODE
143 * Possibly should be in fd3_program_variant?
145 uint32_t vinterp
[4], vpsrepl
[4];
148 struct fd3_shader_variant
* fd3_shader_variant(struct fd3_shader_stateobj
*so
,
149 struct fd3_shader_key key
);
151 void fd3_program_emit(struct fd_ringbuffer
*ring
,
152 struct fd_program_stateobj
*prog
, struct fd3_shader_key key
);
154 void fd3_prog_init(struct pipe_context
*pctx
);
156 #endif /* FD3_PROGRAM_H_ */