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(mesa_format format
)
39 case MESA_FORMAT_B8G8R8X8_UNORM
:
40 return NV20_3D_RT_FORMAT_COLOR_X8R8G8B8
;
41 case MESA_FORMAT_B8G8R8A8_UNORM
:
42 return NV20_3D_RT_FORMAT_COLOR_A8R8G8B8
;
43 case MESA_FORMAT_B5G6R5_UNORM
:
44 return NV20_3D_RT_FORMAT_COLOR_R5G6B5
;
45 case MESA_FORMAT_Z_UNORM16
:
46 return NV20_3D_RT_FORMAT_DEPTH_Z16
;
47 case MESA_FORMAT_S8_UINT_Z24_UNORM
:
48 return NV20_3D_RT_FORMAT_DEPTH_Z24S8
;
55 setup_hierz_buffer(struct gl_context
*ctx
)
57 struct nouveau_pushbuf
*push
= context_push(ctx
);
58 struct gl_framebuffer
*fb
= ctx
->DrawBuffer
;
59 struct nouveau_framebuffer
*nfb
= to_nouveau_framebuffer(fb
);
60 unsigned pitch
= align(fb
->Width
, 128),
61 height
= align(fb
->Height
, 2),
62 size
= pitch
* height
;
64 if (!nfb
->hierz
.bo
|| nfb
->hierz
.bo
->size
!= size
) {
65 nouveau_bo_ref(NULL
, &nfb
->hierz
.bo
);
66 nouveau_bo_new(context_dev(ctx
), NOUVEAU_BO_VRAM
, 0, size
,
67 NULL
, &nfb
->hierz
.bo
);
70 BEGIN_NV04(push
, NV25_3D(HIERZ_PITCH
), 1);
71 PUSH_DATA (push
, pitch
);
72 BEGIN_NV04(push
, NV25_3D(HIERZ_OFFSET
), 1);
73 PUSH_MTHDl(push
, NV25_3D(HIERZ_OFFSET
), BUFCTX_FB
,
74 nfb
->hierz
.bo
, 0, NOUVEAU_BO_VRAM
| NOUVEAU_BO_RDWR
);
78 nv20_emit_framebuffer(struct gl_context
*ctx
, int emit
)
80 struct nouveau_pushbuf
*push
= context_push(ctx
);
81 struct gl_framebuffer
*fb
= ctx
->DrawBuffer
;
82 struct nouveau_surface
*s
;
83 unsigned rt_format
= NV20_3D_RT_FORMAT_TYPE_LINEAR
;
84 unsigned rt_pitch
= 0, zeta_pitch
= 0;
85 unsigned bo_flags
= NOUVEAU_BO_VRAM
| NOUVEAU_BO_RDWR
;
87 if (fb
->_Status
!= GL_FRAMEBUFFER_COMPLETE_EXT
)
90 PUSH_RESET(push
, BUFCTX_FB
);
93 if (fb
->_ColorDrawBuffers
[0]) {
94 s
= &to_nouveau_renderbuffer(
95 fb
->_ColorDrawBuffers
[0])->surface
;
97 rt_format
|= get_rt_format(s
->format
);
100 BEGIN_NV04(push
, NV20_3D(COLOR_OFFSET
), 1);
101 PUSH_MTHDl(push
, NV20_3D(COLOR_OFFSET
), BUFCTX_FB
,
106 if (fb
->Attachment
[BUFFER_DEPTH
].Renderbuffer
) {
107 s
= &to_nouveau_renderbuffer(
108 fb
->Attachment
[BUFFER_DEPTH
].Renderbuffer
)->surface
;
110 rt_format
|= get_rt_format(s
->format
);
111 zeta_pitch
= s
->pitch
;
113 BEGIN_NV04(push
, NV20_3D(ZETA_OFFSET
), 1);
114 PUSH_MTHDl(push
, NV20_3D(ZETA_OFFSET
), BUFCTX_FB
,
117 if (context_chipset(ctx
) >= 0x25)
118 setup_hierz_buffer(ctx
);
120 rt_format
|= get_rt_format(MESA_FORMAT_S8_UINT_Z24_UNORM
);
121 zeta_pitch
= rt_pitch
;
124 BEGIN_NV04(push
, NV20_3D(RT_FORMAT
), 2);
125 PUSH_DATA (push
, rt_format
);
126 PUSH_DATA (push
, zeta_pitch
<< 16 | rt_pitch
);
128 /* Recompute the viewport/scissor state. */
129 context_dirty(ctx
, VIEWPORT
);
130 context_dirty(ctx
, SCISSOR
);
131 context_dirty(ctx
, DEPTH
);
135 nv20_emit_viewport(struct gl_context
*ctx
, int emit
)
137 struct nouveau_pushbuf
*push
= context_push(ctx
);
138 struct gl_framebuffer
*fb
= ctx
->DrawBuffer
;
141 get_viewport_translate(ctx
, a
);
143 BEGIN_NV04(push
, NV20_3D(VIEWPORT_TRANSLATE_X
), 4);
144 PUSH_DATAp(push
, a
, 4);
146 BEGIN_NV04(push
, NV20_3D(VIEWPORT_CLIP_HORIZ(0)), 1);
147 PUSH_DATA (push
, (fb
->Width
- 1) << 16);
148 BEGIN_NV04(push
, NV20_3D(VIEWPORT_CLIP_VERT(0)), 1);
149 PUSH_DATA (push
, (fb
->Height
- 1) << 16);
151 context_dirty(ctx
, PROJECTION
);