2 * Copyright 2011 Christoph Bumiller
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
18 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
19 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23 #ifndef __NV50_IR_DRIVER_H__
24 #define __NV50_IR_DRIVER_H__
26 #include "pipe/p_shader_tokens.h"
28 #include "tgsi/tgsi_util.h"
29 #include "tgsi/tgsi_parse.h"
30 #include "tgsi/tgsi_scan.h"
33 * This struct constitutes linkage information in TGSI terminology.
35 * It is created by the code generator and handed to the pipe driver
36 * for input/output slot assignment.
38 struct nv50_ir_varying
40 uint8_t slot
[4]; /* native slots for xyzw (addresses in 32-bit words) */
42 unsigned mask
: 4; /* vec4 mask */
43 unsigned linear
: 1; /* linearly interpolated if true (and not flat) */
45 unsigned centroid
: 1;
46 unsigned patch
: 1; /* patch constant value */
47 unsigned regular
: 1; /* driver-specific meaning (e.g. input in sreg) */
48 unsigned input
: 1; /* indicates direction of system values */
49 unsigned oread
: 1; /* true if output is read from parallel TCP */
51 ubyte id
; /* TGSI register index */
52 ubyte sn
; /* TGSI semantic name */
53 ubyte si
; /* TGSI semantic index */
56 #define NV50_PROGRAM_IR_TGSI 0
57 #define NV50_PROGRAM_IR_SM4 1
58 #define NV50_PROGRAM_IR_GLSL 2
59 #define NV50_PROGRAM_IR_LLVM 3
62 # define NV50_IR_DEBUG_BASIC (1 << 0)
63 # define NV50_IR_DEBUG_VERBOSE (2 << 0)
64 # define NV50_IR_DEBUG_REG_ALLOC (1 << 2)
66 # define NV50_IR_DEBUG_BASIC 0
67 # define NV50_IR_DEBUG_VERBOSE 0
68 # define NV50_IR_DEBUG_REG_ALLOC 0
71 #define NV50_SEMANTIC_CLIPDISTANCE (TGSI_SEMANTIC_COUNT + 0)
72 #define NV50_SEMANTIC_TEXCOORD (TGSI_SEMANTIC_COUNT + 1)
73 #define NV50_SEMANTIC_POINTCOORD (TGSI_SEMANTIC_COUNT + 2)
74 #define NV50_SEMANTIC_VIEWPORTINDEX (TGSI_SEMANTIC_COUNT + 4)
75 #define NV50_SEMANTIC_LAYER (TGSI_SEMANTIC_COUNT + 5)
76 #define NV50_SEMANTIC_INVOCATIONID (TGSI_SEMANTIC_COUNT + 6)
77 #define NV50_SEMANTIC_TESSFACTOR (TGSI_SEMANTIC_COUNT + 7)
78 #define NV50_SEMANTIC_TESSCOORD (TGSI_SEMANTIC_COUNT + 8)
79 #define NV50_SEMANTIC_SAMPLEMASK (TGSI_SEMANTIC_COUNT + 9)
80 #define NV50_SEMANTIC_COUNT (TGSI_SEMANTIC_COUNT + 10)
82 #define NV50_TESS_PART_FRACT_ODD 0
83 #define NV50_TESS_PART_FRACT_EVEN 1
84 #define NV50_TESS_PART_POW2 2
85 #define NV50_TESS_PART_INTEGER 3
87 #define NV50_PRIM_PATCHES PIPE_PRIM_MAX
89 struct nv50_ir_prog_info
91 uint16_t target
; /* chipset (0x50, 0x84, 0xc0, ...) */
93 uint8_t type
; /* PIPE_SHADER */
95 uint8_t optLevel
; /* optimization level (0 to 3) */
99 int16_t maxGPR
; /* may be -1 if none used */
101 uint32_t tlsSpace
; /* required local memory per thread */
104 uint8_t sourceRep
; /* NV50_PROGRAM_IR */
109 struct nv50_ir_varying sv
[PIPE_MAX_SHADER_INPUTS
];
110 struct nv50_ir_varying in
[PIPE_MAX_SHADER_INPUTS
];
111 struct nv50_ir_varying out
[PIPE_MAX_SHADER_OUTPUTS
];
114 uint8_t numPatchConstants
; /* also included in numInputs/numOutputs */
118 uint32_t *buf
; /* for IMMEDIATE_ARRAY */
119 uint16_t bufSize
; /* size of immediate array */
120 uint16_t count
; /* count of inline immediates */
121 uint32_t *data
; /* inline immediate data */
122 uint8_t *type
; /* for each vec4 (128 bit) */
127 uint32_t inputMask
[4]; /* mask of attributes read (1 bit per scalar) */
130 uint8_t inputPatchSize
;
131 uint8_t outputPatchSize
;
132 uint8_t partitioning
; /* PIPE_TESS_PART */
133 int8_t winding
; /* +1 (clockwise) / -1 (counter-clockwise) */
134 uint8_t domain
; /* PIPE_PRIM_{QUADS,TRIANGLES,LINES} */
135 uint8_t outputPrim
; /* PIPE_PRIM_{TRIANGLES,LINES,POINTS} */
140 unsigned instanceCount
;
141 unsigned maxVertices
;
144 unsigned numColourResults
;
146 boolean earlyFragTests
;
147 boolean separateFragData
;
153 uint8_t clipDistance
; /* index of first clip distance output */
154 uint8_t clipDistanceMask
; /* mask of clip distances defined */
155 uint8_t cullDistanceMask
; /* clip distance mode (1 bit per output) */
156 int8_t genUserClip
; /* request user clip planes for ClipVertex */
157 uint8_t pointSize
; /* output index for PointSize */
160 uint8_t fragDepth
; /* output index of FragDepth */
161 uint8_t sampleMask
; /* output index of SampleMask */
162 uint8_t backFaceColor
[2]; /* input/output indices of back face colour */
163 uint8_t globalAccess
; /* 1 for read, 2 for wr, 3 for rw */
166 /* driver callback to assign input/output locations */
167 int (*assignSlots
)(struct nv50_ir_prog_info
*);
174 extern int nv50_ir_generate_code(struct nv50_ir_prog_info
*);
176 extern void nv50_ir_relocate_code(void *relocData
, uint32_t *code
,
181 /* obtain code that will be shared among programs */
182 extern void nv50_ir_get_target_library(uint32_t chipset
,
183 const uint32_t **code
, uint32_t *size
);
189 #endif // __NV50_IR_DRIVER_H__