Merge branch 'master' of ../mesa into vulkan
[mesa.git] / src / gallium / drivers / freedreno / a4xx / fd4_context.h
1 /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
2
3 /*
4 * Copyright (C) 2014 Rob Clark <robclark@freedesktop.org>
5 *
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:
12 *
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
15 * Software.
16 *
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
23 * SOFTWARE.
24 *
25 * Authors:
26 * Rob Clark <robclark@freedesktop.org>
27 */
28
29 #ifndef FD4_CONTEXT_H_
30 #define FD4_CONTEXT_H_
31
32 #include "util/u_upload_mgr.h"
33
34 #include "freedreno_drmif.h"
35
36 #include "freedreno_context.h"
37
38 #include "ir3_shader.h"
39
40 struct fd4_context {
41 struct fd_context base;
42
43 /* Keep track of writes to RB_RENDER_CONTROL which need to be patched
44 * once we know whether or not to use GMEM, and GMEM tile pitch.
45 */
46 struct util_dynarray rbrc_patches;
47
48 struct fd_bo *vs_pvt_mem, *fs_pvt_mem;
49
50 /* This only needs to be 4 * num_of_pipes bytes (ie. 32 bytes). We
51 * could combine it with another allocation.
52 */
53 struct fd_bo *vsc_size_mem;
54
55 /* vertex buf used for clear/gmem->mem vertices, and mem->gmem
56 * vertices:
57 */
58 struct pipe_resource *solid_vbuf;
59
60 /* vertex buf used for mem->gmem tex coords:
61 */
62 struct pipe_resource *blit_texcoord_vbuf;
63
64 /* vertex state for solid_vbuf:
65 * - solid_vbuf / 12 / R32G32B32_FLOAT
66 */
67 struct fd_vertex_state solid_vbuf_state;
68
69 /* vertex state for blit_prog:
70 * - blit_texcoord_vbuf / 8 / R32G32_FLOAT
71 * - solid_vbuf / 12 / R32G32B32_FLOAT
72 */
73 struct fd_vertex_state blit_vbuf_state;
74
75 struct u_upload_mgr *border_color_uploader;
76 struct pipe_resource *border_color_buf;
77
78 /* if *any* of bits are set in {v,f}saturate_{s,t,r} */
79 bool vsaturate, fsaturate;
80
81 /* bitmask of sampler which needs coords clamped for vertex
82 * shader:
83 */
84 uint16_t vsaturate_s, vsaturate_t, vsaturate_r;
85
86 /* bitmask of sampler which needs coords clamped for frag
87 * shader:
88 */
89 uint16_t fsaturate_s, fsaturate_t, fsaturate_r;
90
91 /* some state changes require a different shader variant. Keep
92 * track of this so we know when we need to re-emit shader state
93 * due to variant change. See fixup_shader_state()
94 */
95 struct ir3_shader_key last_key;
96 };
97
98 static inline struct fd4_context *
99 fd4_context(struct fd_context *ctx)
100 {
101 return (struct fd4_context *)ctx;
102 }
103
104 struct pipe_context *
105 fd4_context_create(struct pipe_screen *pscreen, void *priv, unsigned flags);
106
107 #endif /* FD4_CONTEXT_H_ */