1 /*
2  * Copyright (C) 2014 Rob Clark <robclark@freedesktop.org>
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 FROM,
20  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21  * SOFTWARE.
22  *
23  * Authors:
24  *    Rob Clark <robclark@freedesktop.org>
25  */
26 
27 #ifndef IR3_GALLIUM_H_
28 #define IR3_GALLIUM_H_
29 
30 #include "ir3/ir3_shader.h"
31 #include "pipe/p_screen.h"
32 #include "pipe/p_state.h"
33 
34 #include "freedreno_util.h"
35 
36 /**
37  * The ir3 hwcso type, use ir3_get_shader() to dereference the
38  * underlying ir3_shader
39  */
40 struct ir3_shader_state;
41 
42 struct ir3_shader_variant *
43 ir3_shader_variant(struct ir3_shader *shader, struct ir3_shader_key key,
44                    bool binning_pass, struct pipe_debug_callback *debug);
45 
46 void *ir3_shader_compute_state_create(struct pipe_context *pctx,
47                                       const struct pipe_compute_state *cso);
48 void *ir3_shader_state_create(struct pipe_context *pctx,
49                               const struct pipe_shader_state *cso);
50 void ir3_shader_state_delete(struct pipe_context *pctx, void *hwcso);
51 
52 struct ir3_shader *ir3_get_shader(struct ir3_shader_state *hwcso);
53 struct shader_info *ir3_get_shader_info(struct ir3_shader_state *hwcso);
54 
55 void ir3_fixup_shader_state(struct pipe_context *pctx,
56                             struct ir3_shader_key *key) assert_dt;
57 
58 void ir3_prog_init(struct pipe_context *pctx);
59 void ir3_screen_init(struct pipe_screen *pscreen);
60 void ir3_screen_fini(struct pipe_screen *pscreen);
61 
62 /**
63  * A helper to determine if a fs input 'i' is point/sprite coord, given
64  * the specified sprite_coord_enable mask
65  */
66 static inline bool
ir3_point_sprite(const struct ir3_shader_variant * fs,int i,uint32_t sprite_coord_enable,bool * coord_mode)67 ir3_point_sprite(const struct ir3_shader_variant *fs, int i,
68                  uint32_t sprite_coord_enable, bool *coord_mode)
69 {
70    gl_varying_slot slot = fs->inputs[i].slot;
71    switch (slot) {
72    case VARYING_SLOT_PNTC:
73       *coord_mode = true;
74       return true;
75    case VARYING_SLOT_TEX0 ... VARYING_SLOT_TEX7:
76       return !!(sprite_coord_enable & BITFIELD_BIT(slot - VARYING_SLOT_TEX0));
77    default:
78       return false;
79    }
80 }
81 
82 void ir3_update_max_tf_vtx(struct fd_context *ctx,
83                            const struct ir3_shader_variant *v) assert_dt;
84 
85 #endif /* IR3_GALLIUM_H_ */
86