1 /*
2  * Copyright (C) 2016 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 FD5_CONTEXT_H_
28 #define FD5_CONTEXT_H_
29 
30 #include "util/u_upload_mgr.h"
31 
32 #include "freedreno_context.h"
33 
34 #include "ir3/ir3_shader.h"
35 
36 struct fd5_context {
37    struct fd_context base;
38 
39    /* This only needs to be 4 * num_of_pipes bytes (ie. 32 bytes).  We
40     * could combine it with another allocation.
41     */
42    struct fd_bo *vsc_size_mem;
43 
44    /* TODO not sure what this is for.. probably similar to
45     * CACHE_FLUSH_TS on kernel side, where value gets written
46     * to this address synchronized w/ 3d (ie. a way to
47     * synchronize when the CP is running far ahead)
48     */
49    struct fd_bo *blit_mem;
50 
51    struct u_upload_mgr *border_color_uploader;
52    struct pipe_resource *border_color_buf;
53 
54    /* bitmask of samplers which need astc srgb workaround: */
55    uint16_t vastc_srgb, fastc_srgb;
56 
57    /* storage for ctx->last.key: */
58    struct ir3_shader_key last_key;
59 
60    /* number of active samples-passed queries: */
61    int samples_passed_queries;
62 
63    /* cached state about current emitted shader program (3d): */
64    unsigned max_loc;
65 };
66 
67 static inline struct fd5_context *
fd5_context(struct fd_context * ctx)68 fd5_context(struct fd_context *ctx)
69 {
70    return (struct fd5_context *)ctx;
71 }
72 
73 struct pipe_context *fd5_context_create(struct pipe_screen *pscreen, void *priv,
74                                         unsigned flags);
75 
76 /* helper for places where we need to stall CP to wait for previous draws: */
77 static inline void
fd5_emit_flush(struct fd_context * ctx,struct fd_ringbuffer * ring)78 fd5_emit_flush(struct fd_context *ctx, struct fd_ringbuffer *ring)
79 {
80    OUT_PKT7(ring, CP_EVENT_WRITE, 4);
81    OUT_RING(ring, CACHE_FLUSH_TS);
82    OUT_RELOC(ring, fd5_context(ctx)->blit_mem, 0, 0, 0); /* ADDR_LO/HI */
83    OUT_RING(ring, 0x00000000);
84 
85    OUT_WFI5(ring);
86 }
87 
88 #endif /* FD5_CONTEXT_H_ */
89