summaryrefslogtreecommitdiff
path: root/src/mesa/drivers/dri/nouveau/nv10_state_fb.c
blob: 6bd383ebcd32e2dbf81a71c8455fa5528cb00da4 (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
/*
 * Copyright (C) 2009 Francisco Jerez.
 * All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice (including the
 * next paragraph) shall be included in all copies or substantial
 * portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 */

#include "nouveau_driver.h"
#include "nouveau_context.h"
#include "nouveau_fbo.h"
#include "nouveau_class.h"
#include "nouveau_util.h"
#include "nv10_driver.h"

static inline unsigned
get_rt_format(gl_format format)
{
	switch (format) {
	case MESA_FORMAT_XRGB8888:
		return 0x05;
	case MESA_FORMAT_ARGB8888:
		return 0x08;
	case MESA_FORMAT_RGB565:
		return 0x03;
	case MESA_FORMAT_Z16:
		return 0x10;
	case MESA_FORMAT_Z24_S8:
		return 0x0;
	default:
		assert(0);
	}
}

static void
setup_lma_buffer(GLcontext *ctx)
{
	struct nouveau_channel *chan = context_chan(ctx);
	struct nouveau_grobj *celsius = context_eng3d(ctx);
	struct nouveau_bo_context *bctx = context_bctx(ctx, LMA_DEPTH);
	struct gl_framebuffer *fb = ctx->DrawBuffer;
	struct nouveau_framebuffer *nfb = to_nouveau_framebuffer(fb);
	unsigned pitch = align(fb->Width, 128),
		height = align(fb->Height, 2),
		size = pitch * height;

	if (!nfb->lma_bo || nfb->lma_bo->size != size) {
		nouveau_bo_ref(NULL, &nfb->lma_bo);
		nouveau_bo_new(context_dev(ctx), NOUVEAU_BO_VRAM, 0, size,
			       &nfb->lma_bo);
	}

	nouveau_bo_markl(bctx, celsius, NV17TCL_LMA_DEPTH_BUFFER_OFFSET,
			 nfb->lma_bo, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_RDWR);

	BEGIN_RING(chan, celsius, NV17TCL_LMA_DEPTH_WINDOW_X, 4);
	OUT_RINGf(chan, - 1792);
	OUT_RINGf(chan, - 2304 + fb->Height);
	OUT_RINGf(chan, fb->_DepthMaxF / 2);
	OUT_RINGf(chan, 0);

	BEGIN_RING(chan, celsius, NV17TCL_LMA_DEPTH_BUFFER_PITCH, 1);
	OUT_RING(chan, pitch);

	BEGIN_RING(chan, celsius, NV17TCL_LMA_DEPTH_ENABLE, 1);
	OUT_RING(chan, 1);
}

void
nv10_emit_framebuffer(GLcontext *ctx, int emit)
{
	struct nouveau_channel *chan = context_chan(ctx);
	struct nouveau_grobj *celsius = context_eng3d(ctx);
	struct nouveau_bo_context *bctx = context_bctx(ctx, FRAMEBUFFER);
	struct gl_framebuffer *fb = ctx->DrawBuffer;
	struct nouveau_surface *s;
	unsigned rt_format = NV10TCL_RT_FORMAT_TYPE_LINEAR;
	unsigned rt_pitch = 0, zeta_pitch = 0;
	unsigned bo_flags = NOUVEAU_BO_VRAM | NOUVEAU_BO_RDWR;

	if (fb->_Status != GL_FRAMEBUFFER_COMPLETE_EXT)
		return;

	/* At least nv11 seems to get sad if we don't do this before
	 * swapping RTs.*/
	if (context_chipset(ctx) < 0x17) {
		int i;

		for (i = 0; i < 6; i++) {
			BEGIN_RING(chan, celsius, NV10TCL_NOP, 1);
			OUT_RING(chan, 0);
		}
	}

	/* Render target */
	if (fb->_ColorDrawBuffers[0]) {
		s = &to_nouveau_renderbuffer(
			fb->_ColorDrawBuffers[0])->surface;

		rt_format |= get_rt_format(s->format);
		zeta_pitch = rt_pitch = s->pitch;

		nouveau_bo_markl(bctx, celsius, NV10TCL_COLOR_OFFSET,
				 s->bo, 0, bo_flags);
	}

	/* depth/stencil */
	if (fb->_DepthBuffer) {
		s = &to_nouveau_renderbuffer(
			fb->_DepthBuffer->Wrapped)->surface;

		rt_format |= get_rt_format(s->format);
		zeta_pitch = s->pitch;

		nouveau_bo_markl(bctx, celsius, NV10TCL_ZETA_OFFSET,
				 s->bo, 0, bo_flags);

		if (context_chipset(ctx) >= 0x17)
			setup_lma_buffer(ctx);
	}

	BEGIN_RING(chan, celsius, NV10TCL_RT_FORMAT, 2);
	OUT_RING(chan, rt_format);
	OUT_RING(chan, zeta_pitch << 16 | rt_pitch);

	context_dirty(ctx, VIEWPORT);
	context_dirty(ctx, SCISSOR);
}

void
nv10_emit_render_mode(GLcontext *ctx, int emit)
{
}

void
nv10_emit_scissor(GLcontext *ctx, int emit)
{
	struct nouveau_channel *chan = context_chan(ctx);
	struct nouveau_grobj *celsius = context_eng3d(ctx);
	int x, y, w, h;

	get_scissors(ctx->DrawBuffer, &x, &y, &w, &h);

	BEGIN_RING(chan, celsius, NV10TCL_RT_HORIZ, 2);
	OUT_RING(chan, w << 16 | x);
	OUT_RING(chan, h << 16 | y);
}

void
nv10_emit_viewport(GLcontext *ctx, int emit)
{
	struct nouveau_channel *chan = context_chan(ctx);
	struct nouveau_grobj *celsius = context_eng3d(ctx);
	struct gl_framebuffer *fb = ctx->DrawBuffer;
	float a[4] = {};
	int i;

	get_viewport_translate(ctx, a);
	a[0] -= 2048;
	a[1] -= 2048;

	BEGIN_RING(chan, celsius, NV10TCL_VIEWPORT_TRANSLATE_X, 4);
	for (i = 0; i < 4; i++)
		OUT_RINGf(chan, a[i]);

	BEGIN_RING(chan, celsius, NV10TCL_VIEWPORT_CLIP_HORIZ(0), 1);
	OUT_RING(chan, (fb->Width - 1) << 16 | 0x08000800);
	BEGIN_RING(chan, celsius, NV10TCL_VIEWPORT_CLIP_VERT(0), 1);
	OUT_RING(chan, (fb->Height - 1) << 16 | 0x08000800);

	context_dirty(ctx, PROJECTION);
}