2 * Copyright © 2011 Intel Corporation
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 (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
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
27 enum gen6_gather_sampler_wa
{
28 WA_SIGN
= 1, /* whether we need to sign extend */
29 WA_8BIT
= 2, /* if we have an 8bit format needing wa */
30 WA_16BIT
= 4, /* if we have a 16bit format needing wa */
34 * Sampler information needed by VS, WM, and GS program cache keys.
36 struct brw_sampler_prog_key_data
{
38 * EXT_texture_swizzle and DEPTH_TEXTURE_MODE swizzles.
40 uint16_t swizzles
[MAX_SAMPLERS
];
42 uint32_t gl_clamp_mask
[3];
45 * For RG32F, gather4's channel select is broken.
47 uint32_t gather_channel_quirk_mask
;
50 * Whether this sampler uses the compressed multisample surface layout.
52 uint32_t compressed_multisample_layout_mask
;
55 * For Sandybridge, which shader w/a we need for gather quirks.
57 uint8_t gen6_gather_wa
[MAX_SAMPLERS
];
64 void brw_populate_sampler_prog_key_data(struct gl_context
*ctx
,
65 const struct gl_program
*prog
,
66 unsigned sampler_count
,
67 struct brw_sampler_prog_key_data
*key
);
68 bool brw_debug_recompile_sampler_key(struct brw_context
*brw
,
69 const struct brw_sampler_prog_key_data
*old_key
,
70 const struct brw_sampler_prog_key_data
*key
);
71 void brw_add_texrect_params(struct gl_program
*prog
);
74 brw_mark_surface_used(struct brw_stage_prog_data
*prog_data
,
78 brw_stage_prog_data_compare(const struct brw_stage_prog_data
*a
,
79 const struct brw_stage_prog_data
*b
);
82 brw_stage_prog_data_free(const void *prog_data
);
85 brw_dump_ir(struct brw_context
*brw
, const char *stage
,
86 struct gl_shader_program
*shader_prog
,
87 struct gl_shader
*shader
, struct gl_program
*prog
);