v3d/tex: only look up the 2nd texture gather offset for 1d non-arrays
[mesa.git] / src / broadcom / common / v3d_limits.h
1 /*
2 * Copyright © 2019 Broadcom
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
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21 * IN THE SOFTWARE.
22 */
23
24 #ifndef V3D_LIMITS_H
25 #define V3D_LIMITS_H
26
27 /* Number of channels a QPU thread executes in parallel. Also known as
28 * gl_SubGroupSizeARB.
29 */
30 #define V3D_CHANNELS 16
31
32 #define V3D_MAX_FS_INPUTS 64
33 #define V3D_MAX_GS_INPUTS 64
34 #define V3D_MAX_VS_INPUTS 64
35 #define V3D_MAX_ANY_STAGE_INPUTS MAX3(V3D_MAX_VS_INPUTS, \
36 V3D_MAX_GS_INPUTS, \
37 V3D_MAX_FS_INPUTS)
38
39 /* Not specifically a hardware limit, just coordination between compiler and
40 * driver.
41 */
42 #define V3D_MAX_TEXTURE_SAMPLERS 16
43
44 /* The HW can do 16384 (15), but we run into hangs when we expose that. */
45 #define V3D_MAX_MIP_LEVELS 13
46
47 #define V3D_MAX_SAMPLES 4
48
49 #define V3D_MAX_DRAW_BUFFERS 4
50
51 #endif /* V3D_LIMITS_H */