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_texture.h"
31 #include "nv04_driver.h"
32 #include "nv10_driver.h"
33 #include "nv20_driver.h"
35 #include "main/framebuffer.h"
36 #include "main/fbobject.h"
37 #include "main/renderbuffer.h"
38 #include "swrast/s_renderbuffer.h"
40 static const __DRIextension
*nouveau_screen_extensions
[];
43 nouveau_destroy_screen(__DRIscreen
*dri_screen
);
45 static const __DRIconfig
**
46 nouveau_get_configs(void)
48 __DRIconfig
**configs
= NULL
;
51 const uint8_t depth_bits
[] = { 0, 16, 24, 24 };
52 const uint8_t stencil_bits
[] = { 0, 0, 0, 8 };
53 const uint8_t msaa_samples
[] = { 0 };
55 static const gl_format formats
[3] = {
61 const GLenum back_buffer_modes
[] = {
62 GLX_NONE
, GLX_SWAP_UNDEFINED_OML
65 for (i
= 0; i
< Elements(formats
); i
++) {
68 config
= driCreateConfigs(formats
[i
],
69 depth_bits
, stencil_bits
,
72 Elements(back_buffer_modes
),
74 Elements(msaa_samples
),
78 configs
= driConcatConfigs(configs
, config
);
81 return (const __DRIconfig
**)configs
;
84 static const __DRIconfig
**
85 nouveau_init_screen2(__DRIscreen
*dri_screen
)
87 const __DRIconfig
**configs
;
88 struct nouveau_screen
*screen
;
91 /* Allocate the screen. */
92 screen
= CALLOC_STRUCT(nouveau_screen
);
96 dri_screen
->driverPrivate
= screen
;
97 dri_screen
->extensions
= nouveau_screen_extensions
;
98 screen
->dri_screen
= dri_screen
;
100 /* Open the DRM device. */
101 ret
= nouveau_device_wrap(dri_screen
->fd
, 0, &screen
->device
);
103 nouveau_error("Error opening the DRM device.\n");
107 /* Choose the card specific function pointers. */
108 switch (screen
->device
->chipset
& 0xf0) {
110 screen
->driver
= &nv04_driver
;
113 screen
->driver
= &nv10_driver
;
116 screen
->driver
= &nv20_driver
;
122 configs
= nouveau_get_configs();
128 nouveau_destroy_screen(dri_screen
);
134 nouveau_destroy_screen(__DRIscreen
*dri_screen
)
136 struct nouveau_screen
*screen
= dri_screen
->driverPrivate
;
141 nouveau_device_del(&screen
->device
);
144 dri_screen
->driverPrivate
= NULL
;
148 nouveau_create_buffer(__DRIscreen
*dri_screen
,
149 __DRIdrawable
*drawable
,
150 const struct gl_config
*visual
,
153 struct gl_renderbuffer
*rb
;
154 struct gl_framebuffer
*fb
;
158 return GL_FALSE
; /* not implemented */
160 if (visual
->redBits
== 5)
161 color_format
= GL_RGB5
;
162 else if (visual
->alphaBits
== 0)
163 color_format
= GL_RGB8
;
165 color_format
= GL_RGBA8
;
167 fb
= nouveau_framebuffer_dri_new(visual
);
172 rb
= nouveau_renderbuffer_dri_new(color_format
, drawable
);
173 _mesa_add_renderbuffer(fb
, BUFFER_FRONT_LEFT
, rb
);
176 if (visual
->doubleBufferMode
) {
177 rb
= nouveau_renderbuffer_dri_new(color_format
, drawable
);
178 _mesa_add_renderbuffer(fb
, BUFFER_BACK_LEFT
, rb
);
181 /* Depth/stencil buffer. */
182 if (visual
->depthBits
== 24 && visual
->stencilBits
== 8) {
183 rb
= nouveau_renderbuffer_dri_new(GL_DEPTH24_STENCIL8_EXT
, drawable
);
184 _mesa_add_renderbuffer(fb
, BUFFER_DEPTH
, rb
);
185 _mesa_add_renderbuffer(fb
, BUFFER_STENCIL
, rb
);
187 } else if (visual
->depthBits
== 24) {
188 rb
= nouveau_renderbuffer_dri_new(GL_DEPTH_COMPONENT24
, drawable
);
189 _mesa_add_renderbuffer(fb
, BUFFER_DEPTH
, rb
);
191 } else if (visual
->depthBits
== 16) {
192 rb
= nouveau_renderbuffer_dri_new(GL_DEPTH_COMPONENT16
, drawable
);
193 _mesa_add_renderbuffer(fb
, BUFFER_DEPTH
, rb
);
196 /* Software renderbuffers. */
197 _swrast_add_soft_renderbuffers(fb
, GL_FALSE
, GL_FALSE
, GL_FALSE
,
198 visual
->accumRedBits
> 0,
201 drawable
->driverPrivate
= fb
;
207 nouveau_destroy_buffer(__DRIdrawable
*drawable
)
209 _mesa_reference_framebuffer(
210 (struct gl_framebuffer
**)&drawable
->driverPrivate
, NULL
);
214 nouveau_drawable_flush(__DRIdrawable
*draw
)
218 static const struct __DRI2flushExtensionRec nouveau_flush_extension
= {
219 { __DRI2_FLUSH
, __DRI2_FLUSH_VERSION
},
220 nouveau_drawable_flush
,
221 dri2InvalidateDrawable
,
224 static const struct __DRItexBufferExtensionRec nouveau_texbuffer_extension
= {
225 { __DRI_TEX_BUFFER
, __DRI_TEX_BUFFER_VERSION
},
227 nouveau_set_texbuffer
,
230 static const __DRIextension
*nouveau_screen_extensions
[] = {
231 &nouveau_flush_extension
.base
,
232 &nouveau_texbuffer_extension
.base
,
233 &dri2ConfigQueryExtension
.base
,
237 const struct __DriverAPIRec driDriverAPI
= {
238 .InitScreen
= nouveau_init_screen2
,
239 .DestroyScreen
= nouveau_destroy_screen
,
240 .CreateBuffer
= nouveau_create_buffer
,
241 .DestroyBuffer
= nouveau_destroy_buffer
,
242 .CreateContext
= nouveau_context_create
,
243 .DestroyContext
= nouveau_context_destroy
,
244 .MakeCurrent
= nouveau_context_make_current
,
245 .UnbindContext
= nouveau_context_unbind
,
248 /* This is the table of extensions that the loader will dlsym() for. */
249 PUBLIC
const __DRIextension
*__driDriverExtensions
[] = {
250 &driCoreExtension
.base
,
251 &driDRI2Extension
.base
,