2 * Copyright 2017 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 * on the rights to use, copy, modify, merge, publish, distribute, sub
8 * license, and/or sell copies of the Software, and to permit persons to whom
9 * the 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 NON-INFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
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23 #ifndef IRIS_RESOURCE_H
24 #define IRIS_RESOURCE_H
26 #include "pipe/p_state.h"
27 #include "util/u_inlines.h"
28 #include "intel/isl/isl.h"
30 #define IRIS_RESOURCE_FLAG_SHADER_MEMZONE (PIPE_RESOURCE_FLAG_DRV_PRIV << 0)
31 #define IRIS_RESOURCE_FLAG_SURFACE_MEMZONE (PIPE_RESOURCE_FLAG_DRV_PRIV << 1)
32 #define IRIS_RESOURCE_FLAG_DYNAMIC_MEMZONE (PIPE_RESOURCE_FLAG_DRV_PRIV << 2)
35 * Resources represent a GPU buffer object or image (mipmap tree).
37 * They contain the storage (BO) and layout information (ISL surface).
39 struct iris_resource
{
40 struct pipe_resource base
;
41 enum pipe_format internal_format
;
47 * A simple <resource, offset> tuple for storing a reference to a
48 * piece of state stored in a GPU buffer object.
50 struct iris_state_ref
{
51 struct pipe_resource
*res
;
56 * Gallium CSO for sampler views (texture views).
58 * In addition to the normal pipe_resource, this adds an ISL view
59 * which may reinterpret the format or restrict levels/layers.
61 * These can also be linear texture buffers.
63 struct iris_sampler_view
{
64 struct pipe_sampler_view base
;
67 /** The resource (BO) holding our SURFACE_STATE. */
68 struct iris_state_ref surface_state
;
72 * Gallium CSO for surfaces (framebuffer attachments).
74 * A view of a surface that can be bound to a color render target or
75 * depth/stencil attachment.
78 struct pipe_surface base
;
81 /** The resource (BO) holding our SURFACE_STATE. */
82 struct iris_state_ref surface_state
;
86 * Transfer object - information about a buffer mapping.
88 struct iris_transfer
{
89 struct pipe_transfer base
;
90 struct pipe_debug_callback
*dbg
;
94 void (*unmap
)(struct iris_transfer
*);
98 * Unwrap a pipe_resource to get the underlying iris_bo (for convenience).
100 static inline struct iris_bo
*
101 iris_resource_bo(struct pipe_resource
*p_res
)
103 struct iris_resource
*res
= (void *) p_res
;
107 enum isl_format
iris_isl_format_for_pipe_format(enum pipe_format pf
);
108 enum isl_format
iris_isl_format_for_usage(const struct gen_device_info
*,
110 isl_surf_usage_flags_t usage
);
112 struct pipe_resource
*iris_resource_get_separate_stencil(struct pipe_resource
*);
114 void iris_get_depth_stencil_resources(struct pipe_resource
*res
,
115 struct iris_resource
**out_z
,
116 struct iris_resource
**out_s
);
118 void iris_init_screen_resource_functions(struct pipe_screen
*pscreen
);