summaryrefslogtreecommitdiff
path: root/src/gallium/drivers/nvfx/nvfx_resource.h
blob: 0e24ec2f1f9898edb9e417552b9b40e58bf9f22d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139

#ifndef NVFX_RESOURCE_H
#define NVFX_RESOURCE_H

#include "util/u_transfer.h"
#include "util/u_format.h"
#include "util/u_math.h"
#include <nouveau/nouveau_bo.h>

struct pipe_resource;


/* This gets further specialized into either buffer or texture
 * structures.  In the future we'll want to remove much of that
 * distinction, but for now try to keep as close to the existing code
 * as possible and use the vtbl struct to choose between the two
 * underlying implementations.
 */
struct nvfx_resource {
	struct pipe_resource base;
	struct u_resource_vtbl *vtbl;
	struct nouveau_bo *bo;
};

#define NVFX_RESOURCE_FLAG_LINEAR (PIPE_RESOURCE_FLAG_DRV_PRIV << 0)

static inline int
nvfx_resource_on_gpu(struct pipe_resource* pr)
{
#if 0
	// a compiler error here means you need to apply libdrm-nouveau-add-domain.patch to libdrm
	// TODO: return FALSE if not VRAM and on a PCI-E system
	return ((struct nvfx_resource*)pr)->bo->domain & (NOUVEAU_BO_VRAM | NOUVEAU_BO_GART);
#else
	return TRUE;
#endif
}

#define NVFX_MAX_TEXTURE_LEVELS  16

struct nvfx_miptree {
        struct nvfx_resource base;

        unsigned linear_pitch; /* for linear textures, 0 for swizzled and compressed textures with level-dependent minimal pitch */
        unsigned face_size; /* 128-byte aligned face/total size */
        unsigned level_offset[NVFX_MAX_TEXTURE_LEVELS];
};

static INLINE 
struct nvfx_resource *nvfx_resource(struct pipe_resource *resource)
{
	return (struct nvfx_resource *)resource;
}

static INLINE struct nouveau_bo *
nvfx_surface_buffer(struct pipe_surface *surf)
{
	struct nvfx_resource *mt = nvfx_resource(surf->texture);

	return mt->bo;
}


void
nvfx_init_resource_functions(struct pipe_context *pipe);

void
nvfx_screen_init_resource_functions(struct pipe_screen *pscreen);


/* Internal:
 */

struct pipe_resource *
nvfx_miptree_create(struct pipe_screen *pscreen, const struct pipe_resource *pt);

struct pipe_resource *
nvfx_miptree_from_handle(struct pipe_screen *pscreen,
			 const struct pipe_resource *template,
			 struct winsys_handle *whandle);

struct pipe_resource *
nvfx_buffer_create(struct pipe_screen *pscreen,
		   const struct pipe_resource *template);

struct pipe_resource *
nvfx_user_buffer_create(struct pipe_screen *screen,
			void *ptr,
			unsigned bytes,
			unsigned usage);



void
nvfx_miptree_surface_del(struct pipe_surface *ps);

struct pipe_surface *
nvfx_miptree_surface_new(struct pipe_screen *pscreen, struct pipe_resource *pt,
			 unsigned face, unsigned level, unsigned zslice,
			 unsigned flags);

/* only for miptrees, don't use for buffers */

/* NOTE: for swizzled 3D textures, this just returns the offset of the mipmap level */
static inline unsigned
nvfx_subresource_offset(struct pipe_resource* pt, unsigned face, unsigned level, unsigned zslice)
{
	if(pt->target == PIPE_BUFFER)
		return 0;
	else
	{
		struct nvfx_miptree *mt = (struct nvfx_miptree *)pt;

		unsigned offset = mt->level_offset[level];
		if (pt->target == PIPE_TEXTURE_CUBE)
			offset += mt->face_size * face;
		else if (pt->target == PIPE_TEXTURE_3D && mt->linear_pitch)
			offset += zslice * util_format_get_2d_size(pt->format, (mt->linear_pitch ? mt->linear_pitch : util_format_get_stride(pt->format, u_minify(pt->width0, level))),  u_minify(pt->height0, level));
		return offset;
	}
}

static inline unsigned
nvfx_subresource_pitch(struct pipe_resource* pt, unsigned level)
{
	if(pt->target == PIPE_BUFFER)
		return ((struct nvfx_resource*)pt)->bo->size;
	else
	{
		struct nvfx_miptree *mt = (struct nvfx_miptree *)pt;

		if(mt->linear_pitch)
			return mt->linear_pitch;
		else
			return util_format_get_stride(pt->format, u_minify(pt->width0, level));
	}
}

#endif