summaryrefslogtreecommitdiff
path: root/src/gallium/drivers/nv50/nv50_transfer.c
blob: 9c289026bbb14498adccdfa5f1ee602794c71416 (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
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239

#include "pipe/p_context.h"
#include "pipe/p_inlines.h"

#include "nv50_context.h"

struct nv50_transfer {
	struct pipe_transfer base;
	struct nouveau_bo *bo;
	unsigned level_offset;
	unsigned level_tiling;
	int level_pitch;
	int level_width;
	int level_height;
	int level_x;
	int level_y;
};

static void
nv50_transfer_rect_m2mf(struct pipe_screen *pscreen,
			struct nouveau_bo *src_bo, unsigned src_offset,
			int src_pitch, unsigned src_tile_mode,
			int sx, int sy, int sw, int sh,
			struct nouveau_bo *dst_bo, unsigned dst_offset,
			int dst_pitch, unsigned dst_tile_mode,
			int dx, int dy, int dw, int dh,
			int cpp, int width, int height,
			unsigned src_reloc, unsigned dst_reloc)
{
	struct nv50_screen *screen = nv50_screen(pscreen);
	struct nouveau_channel *chan = screen->m2mf->channel;
	struct nouveau_grobj *m2mf = screen->m2mf;

	src_reloc |= NOUVEAU_BO_RD;
	dst_reloc |= NOUVEAU_BO_WR;

	WAIT_RING (chan, 14);

	if (!src_bo->tile_flags) {
		BEGIN_RING(chan, m2mf,
			NV50_MEMORY_TO_MEMORY_FORMAT_LINEAR_IN, 1);
		OUT_RING  (chan, 1);
		BEGIN_RING(chan, m2mf,
			NV50_MEMORY_TO_MEMORY_FORMAT_PITCH_IN, 1);
		OUT_RING  (chan, src_pitch);
		src_offset += (sy * src_pitch) + (sx * cpp);
	} else {
		BEGIN_RING(chan, m2mf,
			NV50_MEMORY_TO_MEMORY_FORMAT_LINEAR_IN, 6);
		OUT_RING  (chan, 0);
		OUT_RING  (chan, src_tile_mode << 4);
		OUT_RING  (chan, sw * cpp);
		OUT_RING  (chan, sh);
		OUT_RING  (chan, 1);
		OUT_RING  (chan, 0);
	}

	if (!dst_bo->tile_flags) {
		BEGIN_RING(chan, m2mf,
			NV50_MEMORY_TO_MEMORY_FORMAT_LINEAR_OUT, 1);
		OUT_RING  (chan, 1);
		BEGIN_RING(chan, m2mf,
			NV50_MEMORY_TO_MEMORY_FORMAT_PITCH_OUT, 1);
		OUT_RING  (chan, dst_pitch);
		dst_offset += (dy * dst_pitch) + (dx * cpp);
	} else {
		BEGIN_RING(chan, m2mf,
			NV50_MEMORY_TO_MEMORY_FORMAT_LINEAR_OUT, 6);
		OUT_RING  (chan, 0);
		OUT_RING  (chan, dst_tile_mode << 4);
		OUT_RING  (chan, dw * cpp);
		OUT_RING  (chan, dh);
		OUT_RING  (chan, 1);
		OUT_RING  (chan, 0);
	}

	while (height) {
		int line_count = height > 2047 ? 2047 : height;

		WAIT_RING (chan, 15);
		BEGIN_RING(chan, m2mf,
			NV50_MEMORY_TO_MEMORY_FORMAT_OFFSET_IN_HIGH, 2);
		OUT_RELOCh(chan, src_bo, src_offset, src_reloc);
		OUT_RELOCh(chan, dst_bo, dst_offset, dst_reloc);
		BEGIN_RING(chan, m2mf,
			NV50_MEMORY_TO_MEMORY_FORMAT_OFFSET_IN, 2);
		OUT_RELOCl(chan, src_bo, src_offset, src_reloc);
		OUT_RELOCl(chan, dst_bo, dst_offset, dst_reloc);
		if (src_bo->tile_flags) {
			BEGIN_RING(chan, m2mf,
				NV50_MEMORY_TO_MEMORY_FORMAT_TILING_POSITION_IN, 1);
			OUT_RING  (chan, (sy << 16) | (sx * cpp));
		} else {
			src_offset += (line_count * src_pitch);
		}
		if (dst_bo->tile_flags) {
			BEGIN_RING(chan, m2mf,
				NV50_MEMORY_TO_MEMORY_FORMAT_TILING_POSITION_OUT, 1);
			OUT_RING  (chan, (dy << 16) | (dx * cpp));
		} else {
			dst_offset += (line_count * dst_pitch);
		}
		BEGIN_RING(chan, m2mf,
			NV50_MEMORY_TO_MEMORY_FORMAT_LINE_LENGTH_IN, 4);
		OUT_RING  (chan, width * cpp);
		OUT_RING  (chan, line_count);
		OUT_RING  (chan, 0x00000101);
		OUT_RING  (chan, 0);
		FIRE_RING (chan);

		height -= line_count;
		sy += line_count;
		dy += line_count;
	}
}

static struct pipe_transfer *
nv50_transfer_new(struct pipe_screen *pscreen, struct pipe_texture *pt,
		  unsigned face, unsigned level, unsigned zslice,
		  enum pipe_transfer_usage usage,
		  unsigned x, unsigned y, unsigned w, unsigned h)
{
	struct nouveau_device *dev = nouveau_screen(pscreen)->device;
	struct nv50_miptree *mt = nv50_miptree(pt);
	struct nv50_miptree_level *lvl = &mt->level[level];
	struct nv50_transfer *tx;
	unsigned image = 0;
	int ret;

	if (pt->target == PIPE_TEXTURE_CUBE)
		image = face;
	else
	if (pt->target == PIPE_TEXTURE_3D)
		image = zslice;

	tx = CALLOC_STRUCT(nv50_transfer);
	if (!tx)
		return NULL;

	pipe_texture_reference(&tx->base.texture, pt);
	tx->base.format = pt->format;
	tx->base.width = w;
	tx->base.height = h;
	tx->base.block = pt->block;
	tx->base.nblocksx = pt->nblocksx[level];
	tx->base.nblocksy = pt->nblocksy[level];
	tx->base.stride = (w * pt->block.size);
	tx->base.usage = usage;

	tx->level_pitch = lvl->pitch;
	tx->level_width = mt->base.base.width[level];
	tx->level_height = mt->base.base.height[level];
	tx->level_offset = lvl->image_offset[image];
	tx->level_tiling = lvl->tile_mode;
	tx->level_x = x;
	tx->level_y = y;
	ret = nouveau_bo_new(dev, NOUVEAU_BO_GART | NOUVEAU_BO_MAP, 0,
			     w * pt->block.size * h, &tx->bo);
	if (ret) {
		FREE(tx);
		return NULL;
	}

	if (usage & PIPE_TRANSFER_READ) {
		nv50_transfer_rect_m2mf(pscreen, mt->base.bo, tx->level_offset,
					tx->level_pitch, tx->level_tiling,
					x, y,
					tx->level_width, tx->level_height,
					tx->bo, 0, tx->base.stride,
					tx->bo->tile_mode, 0, 0,
					tx->base.width, tx->base.height,
					tx->base.block.size, w, h,
					NOUVEAU_BO_VRAM | NOUVEAU_BO_GART,
					NOUVEAU_BO_GART);
	}

	return &tx->base;
}

static void
nv50_transfer_del(struct pipe_transfer *ptx)
{
	struct nv50_transfer *tx = (struct nv50_transfer *)ptx;
	struct nv50_miptree *mt = nv50_miptree(ptx->texture);

	if (ptx->usage & PIPE_TRANSFER_WRITE) {
		struct pipe_screen *pscreen = ptx->texture->screen;
		nv50_transfer_rect_m2mf(pscreen, tx->bo, 0, tx->base.stride,
					tx->bo->tile_mode, 0, 0,
					tx->base.width, tx->base.height,
					mt->base.bo, tx->level_offset,
					tx->level_pitch, tx->level_tiling,
					tx->level_x, tx->level_y,
					tx->level_width, tx->level_height,
					tx->base.block.size, tx->base.width,
					tx->base.height,
					NOUVEAU_BO_GART, NOUVEAU_BO_VRAM |
					NOUVEAU_BO_GART);
	}

	nouveau_bo_ref(NULL, &tx->bo);
	pipe_texture_reference(&ptx->texture, NULL);
	FREE(ptx);
}

static void *
nv50_transfer_map(struct pipe_screen *pscreen, struct pipe_transfer *ptx)
{
	struct nv50_transfer *tx = (struct nv50_transfer *)ptx;
	unsigned flags = 0;
	int ret;

	if (ptx->usage & PIPE_TRANSFER_WRITE)
		flags |= NOUVEAU_BO_WR;
	if (ptx->usage & PIPE_TRANSFER_READ)
		flags |= NOUVEAU_BO_RD;

	ret = nouveau_bo_map(tx->bo, flags);
	if (ret)
		return NULL;
	return tx->bo->map;
}

static void
nv50_transfer_unmap(struct pipe_screen *pscreen, struct pipe_transfer *ptx)
{
	struct nv50_transfer *tx = (struct nv50_transfer *)ptx;

	nouveau_bo_unmap(tx->bo);
}

void
nv50_transfer_init_screen_functions(struct pipe_screen *pscreen)
{
	pscreen->get_tex_transfer = nv50_transfer_new;
	pscreen->tex_transfer_destroy = nv50_transfer_del;
	pscreen->transfer_map = nv50_transfer_map;
	pscreen->transfer_unmap = nv50_transfer_unmap;
}