2 * Copyright (C) 2009 Francisco Jerez.
5 * Permission is hereby granted, free of charge, to any person obtaining
6 * a copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial
15 * portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27 #include "nouveau_driver.h"
28 #include "nouveau_context.h"
29 #include "nouveau_fbo.h"
30 #include "nouveau_gldefs.h"
31 #include "nouveau_util.h"
32 #include "nv20_3d.xml.h"
33 #include "nv20_driver.h"
35 static inline unsigned
36 get_rt_format(gl_format format
)
39 case MESA_FORMAT_XRGB8888
:
40 return NV20_3D_RT_FORMAT_COLOR_X8R8G8B8
;
41 case MESA_FORMAT_ARGB8888
:
42 return NV20_3D_RT_FORMAT_COLOR_A8R8G8B8
;
43 case MESA_FORMAT_RGB565
:
44 return NV20_3D_RT_FORMAT_COLOR_R5G6B5
;
46 return NV20_3D_RT_FORMAT_DEPTH_Z16
;
47 case MESA_FORMAT_Z24_S8
:
48 return NV20_3D_RT_FORMAT_DEPTH_Z24S8
;
55 setup_hierz_buffer(struct gl_context
*ctx
)
57 struct nouveau_channel
*chan
= context_chan(ctx
);
58 struct nouveau_grobj
*kelvin
= context_eng3d(ctx
);
59 struct nouveau_bo_context
*bctx
= context_bctx(ctx
, HIERZ
);
60 struct gl_framebuffer
*fb
= ctx
->DrawBuffer
;
61 struct nouveau_framebuffer
*nfb
= to_nouveau_framebuffer(fb
);
62 unsigned pitch
= align(fb
->Width
, 128),
63 height
= align(fb
->Height
, 2),
64 size
= pitch
* height
;
66 if (!nfb
->hierz
.bo
|| nfb
->hierz
.bo
->size
!= size
) {
67 nouveau_bo_ref(NULL
, &nfb
->hierz
.bo
);
68 nouveau_bo_new(context_dev(ctx
), NOUVEAU_BO_VRAM
, 0, size
,
72 BEGIN_RING(chan
, kelvin
, NV25_3D_HIERZ_PITCH
, 1);
73 OUT_RING(chan
, pitch
);
75 nouveau_bo_markl(bctx
, kelvin
, NV25_3D_HIERZ_OFFSET
, nfb
->hierz
.bo
,
76 0, NOUVEAU_BO_VRAM
| NOUVEAU_BO_RDWR
);
80 nv20_emit_framebuffer(struct gl_context
*ctx
, int emit
)
82 struct nouveau_channel
*chan
= context_chan(ctx
);
83 struct nouveau_grobj
*kelvin
= context_eng3d(ctx
);
84 struct nouveau_bo_context
*bctx
= context_bctx(ctx
, FRAMEBUFFER
);
85 struct gl_framebuffer
*fb
= ctx
->DrawBuffer
;
86 struct nouveau_surface
*s
;
87 unsigned rt_format
= NV20_3D_RT_FORMAT_TYPE_LINEAR
;
88 unsigned rt_pitch
= 0, zeta_pitch
= 0;
89 unsigned bo_flags
= NOUVEAU_BO_VRAM
| NOUVEAU_BO_RDWR
;
91 if (fb
->_Status
!= GL_FRAMEBUFFER_COMPLETE_EXT
)
95 if (fb
->_ColorDrawBuffers
[0]) {
96 s
= &to_nouveau_renderbuffer(
97 fb
->_ColorDrawBuffers
[0])->surface
;
99 rt_format
|= get_rt_format(s
->format
);
102 nouveau_bo_markl(bctx
, kelvin
, NV20_3D_COLOR_OFFSET
,
107 if (fb
->_DepthBuffer
) {
108 s
= &to_nouveau_renderbuffer(
109 fb
->_DepthBuffer
->Wrapped
)->surface
;
111 rt_format
|= get_rt_format(s
->format
);
112 zeta_pitch
= s
->pitch
;
114 nouveau_bo_markl(bctx
, kelvin
, NV20_3D_ZETA_OFFSET
,
117 if (context_chipset(ctx
) >= 0x25)
118 setup_hierz_buffer(ctx
);
120 rt_format
|= get_rt_format(MESA_FORMAT_Z24_S8
);
121 zeta_pitch
= rt_pitch
;
124 BEGIN_RING(chan
, kelvin
, NV20_3D_RT_FORMAT
, 2);
125 OUT_RING(chan
, rt_format
);
126 OUT_RING(chan
, zeta_pitch
<< 16 | rt_pitch
);
128 /* Recompute the viewport/scissor state. */
129 context_dirty(ctx
, VIEWPORT
);
130 context_dirty(ctx
, SCISSOR
);
134 nv20_emit_viewport(struct gl_context
*ctx
, int emit
)
136 struct nouveau_channel
*chan
= context_chan(ctx
);
137 struct nouveau_grobj
*kelvin
= context_eng3d(ctx
);
138 struct gl_framebuffer
*fb
= ctx
->DrawBuffer
;
141 get_viewport_translate(ctx
, a
);
143 BEGIN_RING(chan
, kelvin
, NV20_3D_VIEWPORT_TRANSLATE_X
, 4);
144 OUT_RINGp(chan
, a
, 4);
146 BEGIN_RING(chan
, kelvin
, NV20_3D_VIEWPORT_CLIP_HORIZ(0), 1);
147 OUT_RING(chan
, (fb
->Width
- 1) << 16);
148 BEGIN_RING(chan
, kelvin
, NV20_3D_VIEWPORT_CLIP_VERT(0), 1);
149 OUT_RING(chan
, (fb
->Height
- 1) << 16);
151 context_dirty(ctx
, PROJECTION
);