summaryrefslogtreecommitdiffstats
path: root/src/gallium/drivers/nouveau/nouveau_screen.c
blob: ebb21a6e5a37d53b5c817c86cb24f38001453e12 (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
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
#include "pipe/p_defines.h"
#include "pipe/p_screen.h"
#include "pipe/p_state.h"

#include "util/u_memory.h"
#include "util/u_inlines.h"
#include "util/u_format.h"
#include "util/u_format_s3tc.h"
#include "util/u_string.h"

#include <stdio.h>
#include <errno.h>

#include "nouveau/nouveau_bo.h"
#include "nouveau_winsys.h"
#include "nouveau_screen.h"

/* XXX this should go away */
#include "state_tracker/drm_driver.h"
#include "util/u_simple_screen.h"

static const char *
nouveau_screen_get_name(struct pipe_screen *pscreen)
{
	struct nouveau_device *dev = nouveau_screen(pscreen)->device;
	static char buffer[128];

	util_snprintf(buffer, sizeof(buffer), "NV%02X", dev->chipset);
	return buffer;
}

static const char *
nouveau_screen_get_vendor(struct pipe_screen *pscreen)
{
	return "nouveau";
}



struct nouveau_bo *
nouveau_screen_bo_new(struct pipe_screen *pscreen, unsigned alignment,
		      unsigned usage, unsigned bind, unsigned size)
{
	struct nouveau_device *dev = nouveau_screen(pscreen)->device;
	struct nouveau_bo *bo = NULL;
	uint32_t flags = NOUVEAU_BO_MAP, tile_mode = 0, tile_flags = 0;
	int ret;

	if (bind & PIPE_BIND_VERTEX_BUFFER)
		flags |= nouveau_screen(pscreen)->vertex_buffer_flags;
	else if (bind & PIPE_BIND_INDEX_BUFFER)
		flags |= nouveau_screen(pscreen)->index_buffer_flags;

	if (bind & (PIPE_BIND_RENDER_TARGET |
			PIPE_BIND_DEPTH_STENCIL |
			PIPE_BIND_SCANOUT |
			PIPE_BIND_DISPLAY_TARGET |
			PIPE_BIND_SAMPLER_VIEW))
	{
		/* TODO: this may be incorrect or suboptimal */
		if (!(bind & PIPE_BIND_SCANOUT))
			flags |= NOUVEAU_BO_GART;
		if (usage != PIPE_USAGE_DYNAMIC)
			flags |= NOUVEAU_BO_VRAM;

		if (dev->chipset == 0x50 || dev->chipset >= 0x80) {
			if (bind & PIPE_BIND_DEPTH_STENCIL)
				tile_flags = 0x2800;
			else
				tile_flags = 0x7000;
		}
	}

	ret = nouveau_bo_new_tile(dev, flags, alignment, size,
				  tile_mode, tile_flags, &bo);
	if (ret)
		return NULL;

	return bo;
}

struct nouveau_bo *
nouveau_screen_bo_user(struct pipe_screen *pscreen, void *ptr, unsigned bytes)
{
	struct nouveau_device *dev = nouveau_screen(pscreen)->device;
	struct nouveau_bo *bo = NULL;
	int ret;

	ret = nouveau_bo_user(dev, ptr, bytes, &bo);
	if (ret)
		return NULL;

	return bo;
}

void *
nouveau_screen_bo_map(struct pipe_screen *pscreen,
		      struct nouveau_bo *bo,
		      unsigned map_flags)
{
	int ret;

	ret = nouveau_bo_map(bo, map_flags);
	if (ret) {
		debug_printf("map failed: %d\n", ret);
		return NULL;
	}

	return bo->map;
}

void *
nouveau_screen_bo_map_range(struct pipe_screen *pscreen, struct nouveau_bo *bo,
			    unsigned offset, unsigned length, unsigned flags)
{
	int ret;

	ret = nouveau_bo_map_range(bo, offset, length, flags);
	if (ret) {
		nouveau_bo_unmap(bo);
		if (!(flags & NOUVEAU_BO_NOWAIT) || ret != -EBUSY)
			debug_printf("map_range failed: %d\n", ret);
		return NULL;
	}

	return (char *)bo->map - offset; /* why gallium? why? */
}

void
nouveau_screen_bo_map_flush_range(struct pipe_screen *pscreen, struct nouveau_bo *bo,
				  unsigned offset, unsigned length)
{
	nouveau_bo_map_flush(bo, offset, length);
}

void
nouveau_screen_bo_unmap(struct pipe_screen *pscreen, struct nouveau_bo *bo)
{
	nouveau_bo_unmap(bo);
}

void
nouveau_screen_bo_release(struct pipe_screen *pscreen, struct nouveau_bo *bo)
{
	nouveau_bo_ref(NULL, &bo);
}

static void
nouveau_screen_fence_ref(struct pipe_screen *pscreen,
			 struct pipe_fence_handle **ptr,
			 struct pipe_fence_handle *pfence)
{
	*ptr = pfence;
}

static int
nouveau_screen_fence_signalled(struct pipe_screen *screen,
			       struct pipe_fence_handle *pfence,
			       unsigned flags)
{
	return 0;
}

static int
nouveau_screen_fence_finish(struct pipe_screen *screen,
			    struct pipe_fence_handle *pfence,
			    unsigned flags)
{
	return 0;
}


struct nouveau_bo *
nouveau_screen_bo_from_handle(struct pipe_screen *pscreen,
			      struct winsys_handle *whandle,
			      unsigned *out_stride)
{
	struct nouveau_device *dev = nouveau_screen(pscreen)->device;
	struct nouveau_bo *bo = 0;
	int ret;
 
	ret = nouveau_bo_handle_ref(dev, whandle->handle, &bo);
	if (ret) {
		debug_printf("%s: ref name 0x%08x failed with %d\n",
			     __FUNCTION__, whandle->handle, ret);
		return NULL;
	}

	*out_stride = whandle->stride;
	return bo;
}


boolean
nouveau_screen_bo_get_handle(struct pipe_screen *pscreen,
			     struct nouveau_bo *bo,
			     unsigned stride,
			     struct winsys_handle *whandle)
{
	whandle->stride = stride;

	if (whandle->type == DRM_API_HANDLE_TYPE_SHARED) { 
		return nouveau_bo_handle_get(bo, &whandle->handle) == 0;
	} else if (whandle->type == DRM_API_HANDLE_TYPE_KMS) {
		whandle->handle = bo->handle;
		return TRUE;
	} else {
		return FALSE;
	}
}


unsigned int
nouveau_reference_flags(struct nouveau_bo *bo)
{
	uint32_t bo_flags;
	int flags = 0;

	bo_flags = nouveau_bo_pending(bo);
	if (bo_flags & NOUVEAU_BO_RD)
		flags |= PIPE_REFERENCED_FOR_READ;
	if (bo_flags & NOUVEAU_BO_WR)
		flags |= PIPE_REFERENCED_FOR_WRITE;

	return flags;
}





int
nouveau_screen_init(struct nouveau_screen *screen, struct nouveau_device *dev)
{
	struct pipe_screen *pscreen = &screen->base;
	int ret;

	ret = nouveau_channel_alloc(dev, 0xbeef0201, 0xbeef0202,
				    &screen->channel);
	if (ret)
		return ret;
	screen->device = dev;

	pscreen->get_name = nouveau_screen_get_name;
	pscreen->get_vendor = nouveau_screen_get_vendor;

	pscreen->fence_reference = nouveau_screen_fence_ref;
	pscreen->fence_signalled = nouveau_screen_fence_signalled;
	pscreen->fence_finish = nouveau_screen_fence_finish;

	util_format_s3tc_init();

	return 0;
}

void
nouveau_screen_fini(struct nouveau_screen *screen)
{
	struct pipe_winsys *ws = screen->base.winsys;
	nouveau_channel_free(&screen->channel);
	if (ws)
		ws->destroy(ws);
}