summaryrefslogtreecommitdiff
path: root/src/gallium/drivers/nv50/nv50_screen.c
blob: adb724b9b7a0ffbbeaee6d17fb73583bdcb0c852 (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
#include "pipe/p_screen.h"
#include "pipe/p_util.h"

#include "nv50_context.h"
#include "nv50_screen.h"

#include "nouveau/nouveau_stateobj.h"

#define NV5X_GRCLASS5097_CHIPSETS 0x00000001
#define NV8X_GRCLASS8297_CHIPSETS 0x00000010
#define NV9X_GRCLASS8297_CHIPSETS 0x00000004

static boolean
nv50_screen_is_format_supported(struct pipe_screen *pscreen,
				enum pipe_format format, uint type)
{
	return FALSE;
}

static const char *
nv50_screen_get_name(struct pipe_screen *pscreen)
{
	struct nv50_screen *screen = nv50_screen(pscreen);
	static char buffer[128];

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

static const char *
nv50_screen_get_vendor(struct pipe_screen *pscreen)
{
	return "nouveau";
}

static int
nv50_screen_get_param(struct pipe_screen *pscreen, int param)
{
	switch (param) {
	case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS:
		return 32;
	case PIPE_CAP_NPOT_TEXTURES:
		return 0;
	case PIPE_CAP_TWO_SIDED_STENCIL:
		return 1;
	case PIPE_CAP_GLSL:
		return 0;
	case PIPE_CAP_S3TC:
		return 0;
	case PIPE_CAP_ANISOTROPIC_FILTER:
		return 0;
	case PIPE_CAP_POINT_SPRITE:
		return 0;
	case PIPE_CAP_MAX_RENDER_TARGETS:
		return 8;
	case PIPE_CAP_OCCLUSION_QUERY:
		return 0;
	case PIPE_CAP_TEXTURE_SHADOW_MAP:
		return 0;
	case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
		return 13;
	case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
		return 10;
	case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
		return 13;
	case NOUVEAU_CAP_HW_VTXBUF:	
	case NOUVEAU_CAP_HW_IDXBUF:	
		return 0;
	default:
		NOUVEAU_ERR("Unknown PIPE_CAP %d\n", param);
		return 0;
	}
}

static float
nv50_screen_get_paramf(struct pipe_screen *pscreen, int param)
{
	switch (param) {
	case PIPE_CAP_MAX_LINE_WIDTH:
	case PIPE_CAP_MAX_LINE_WIDTH_AA:
		return 10.0;
	case PIPE_CAP_MAX_POINT_WIDTH:
	case PIPE_CAP_MAX_POINT_WIDTH_AA:
		return 64.0;
	case PIPE_CAP_MAX_TEXTURE_ANISOTROPY:
		return 16.0;
	case PIPE_CAP_MAX_TEXTURE_LOD_BIAS:
		return 4.0;
	case PIPE_CAP_BITMAP_TEXCOORD_BIAS:
		return 0.0;
	default:
		NOUVEAU_ERR("Unknown PIPE_CAP %d\n", param);
		return 0.0;
	}
}

static void
nv50_screen_destroy(struct pipe_screen *pscreen)
{
	FREE(pscreen);
}

struct pipe_screen *
nv50_screen_create(struct pipe_winsys *ws, struct nouveau_winsys *nvws,
		   unsigned chipset)
{
	struct nv50_screen *screen = CALLOC_STRUCT(nv50_screen);
	struct nouveau_stateobj *so;
	unsigned tesla_class = 0, ret;
	int i;

	if (!screen)
		return NULL;
	screen->chipset = chipset;
	screen->nvws = nvws;

	/* 3D object */
	if ((chipset & 0xf0) != 0x50 && (chipset & 0xf0) != 0x80) {
		NOUVEAU_ERR("Not a G8x chipset\n");
		nv50_screen_destroy(&screen->pipe);
		return NULL;
	}

	switch (chipset & 0xf0) {
	case 0x50:
		if (NV5X_GRCLASS5097_CHIPSETS & (1 << (chipset & 0x0f)))
			tesla_class = 0x5097;
		break;
	case 0x80:
		if (NV8X_GRCLASS8297_CHIPSETS & (1 << (chipset & 0x0f)))
			tesla_class = 0x8297;
		break;
	case 0x90:
		if (NV9X_GRCLASS8297_CHIPSETS & (1 << (chipset & 0x0f)))
			tesla_class = 0x8297;
		break;
	default:
		break;
	}

	if (tesla_class == 0) {
		NOUVEAU_ERR("Unknown G8x chipset: NV%02x\n", chipset);
		nv50_screen_destroy(&screen->pipe);
		return NULL;
	}

	ret = nvws->grobj_alloc(nvws, tesla_class, &screen->tesla);
	if (ret) {
		NOUVEAU_ERR("Error creating 3D object: %d\n", ret);
		nv50_screen_destroy(&screen->pipe);
		return NULL;
	}

	/* Sync notifier */
	ret = nvws->notifier_alloc(nvws, 1, &screen->sync);
	if (ret) {
		NOUVEAU_ERR("Error creating notifier object: %d\n", ret);
		nv50_screen_destroy(&screen->pipe);
		return NULL;
	}

	/* Static tesla init */
	so = so_new(128, 0);
	so_method(so, screen->tesla, NV50TCL_DMA_NOTIFY, 1);
	so_data  (so, screen->sync->handle);
	so_method(so, screen->tesla, NV50TCL_DMA_IN_MEMORY0(0),
		  NV50TCL_DMA_IN_MEMORY0__SIZE);
	for (i = 0; i < NV50TCL_DMA_IN_MEMORY0__SIZE; i++)
		so_data(so, nvws->channel->vram->handle);
	so_method(so, screen->tesla, NV50TCL_DMA_IN_MEMORY1(0),
		  NV50TCL_DMA_IN_MEMORY1__SIZE);
	for (i = 0; i < NV50TCL_DMA_IN_MEMORY1__SIZE; i++)
		so_data(so, nvws->channel->vram->handle);

	so_emit(nvws, so);
	so_ref(NULL, &so);
	nvws->push_flush(nvws, 0, NULL);

	screen->pipe.winsys = ws;

	screen->pipe.destroy = nv50_screen_destroy;

	screen->pipe.get_name = nv50_screen_get_name;
	screen->pipe.get_vendor = nv50_screen_get_vendor;
	screen->pipe.get_param = nv50_screen_get_param;
	screen->pipe.get_paramf = nv50_screen_get_paramf;

	screen->pipe.is_format_supported = nv50_screen_is_format_supported;

	nv50_screen_init_miptree_functions(&screen->pipe);

	return &screen->pipe;
}