1 /**************************************************************************
3 Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
6 Permission is hereby granted, free of charge, to any person obtaining a
7 copy of this software and associated documentation files (the
8 "Software"), to deal in the Software without restriction, including
9 without limitation the rights to use, copy, modify, merge, publish,
10 distribute, sub license, and/or sell copies of the Software, and to
11 permit persons to whom the Software is furnished to do so, subject to
12 the following conditions:
14 The above copyright notice and this permission notice (including the
15 next paragraph) shall be included in all copies or substantial portions
18 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
22 ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
30 * Keith Whitwell <keith@tungstengraphics.com>
38 #include "framebuffer.h"
41 #include "renderbuffer.h"
42 #include "simple_list.h"
45 #include "i810screen.h"
48 #include "i810state.h"
52 #include "i810ioctl.h"
54 #include "GL/internal/dri_interface.h"
56 extern const struct dri_extension card_extensions
[];
58 static const __DRIconfig
**
59 i810FillInModes( __DRIscreenPrivate
*psp
,
60 unsigned pixel_bits
, unsigned depth_bits
,
61 unsigned stencil_bits
, GLboolean have_back_buffer
)
63 __DRIconfig
**configs
;
65 unsigned depth_buffer_factor
;
66 unsigned back_buffer_factor
;
69 /* Right now GLX_SWAP_COPY_OML isn't supported, but it would be easy
70 * enough to add support. Basically, if a context is created with an
71 * fbconfig where the swap method is GLX_SWAP_COPY_OML, pageflipping
74 static const GLenum back_buffer_modes
[] = {
75 GLX_NONE
, GLX_SWAP_UNDEFINED_OML
/*, GLX_SWAP_COPY_OML */
78 u_int8_t depth_bits_array
[2];
79 u_int8_t stencil_bits_array
[2];
81 depth_bits_array
[0] = depth_bits
;
82 depth_bits_array
[1] = depth_bits
;
84 /* Just like with the accumulation buffer, always provide some modes
85 * with a stencil buffer. It will be a sw fallback, but some apps won't
88 stencil_bits_array
[0] = 0;
89 stencil_bits_array
[1] = (stencil_bits
== 0) ? 8 : stencil_bits
;
91 depth_buffer_factor
= ((depth_bits
!= 0) || (stencil_bits
!= 0)) ? 2 : 1;
92 back_buffer_factor
= (have_back_buffer
) ? 2 : 1;
94 configs
= driCreateConfigs(GL_RGB
, GL_UNSIGNED_SHORT_5_6_5
,
95 depth_bits_array
, stencil_bits_array
,
97 back_buffer_modes
, back_buffer_factor
);
98 if (configs
== NULL
) {
99 fprintf( stderr
, "[%s:%u] Error creating FBConfig!\n",
100 __func__
, __LINE__
);
104 /* Mark the visual as slow if there are "fake" stencil bits.
106 for (i
= 0; configs
[i
]; i
++) {
107 m
= &configs
[i
]->modes
;
108 if ((m
->stencilBits
!= 0) && (m
->stencilBits
!= stencil_bits
)) {
109 m
->visualRating
= GLX_SLOW_CONFIG
;
113 return (const __DRIconfig
**) configs
;
117 /* static int i810_malloc_proxy_buf(drmBufMapPtr buffers) */
123 /* buffer = CALLOC(I810_DMA_BUF_SZ); */
124 /* if(buffer == NULL) return -1; */
125 /* for(i = 0; i < I810_DMA_BUF_NR; i++) { */
126 /* buf = &(buffers->list[i]); */
127 /* buf->address = (drmAddress)buffer; */
132 static drmBufMapPtr
i810_create_empty_buffers(void)
136 retval
= (drmBufMapPtr
)ALIGN_MALLOC(sizeof(drmBufMap
), 32);
137 if(retval
== NULL
) return NULL
;
138 memset(retval
, 0, sizeof(drmBufMap
));
139 retval
->list
= (drmBufPtr
)ALIGN_MALLOC(sizeof(drmBuf
) * I810_DMA_BUF_NR
, 32);
140 if(retval
->list
== NULL
) {
144 memset(retval
->list
, 0, sizeof(drmBuf
) * I810_DMA_BUF_NR
);
149 static const __DRIconfig
**
150 i810InitScreen(__DRIscreen
*sPriv
)
152 static const __DRIversion ddx_expected
= { 1, 0, 0 };
153 static const __DRIversion dri_expected
= { 4, 0, 0 };
154 static const __DRIversion drm_expected
= { 1, 2, 0 };
155 i810ScreenPrivate
*i810Screen
;
156 I810DRIPtr gDRIPriv
= (I810DRIPtr
)sPriv
->pDevPriv
;
158 if ( ! driCheckDriDdxDrmVersions2( "i810",
159 &sPriv
->dri_version
, & dri_expected
,
160 &sPriv
->ddx_version
, & ddx_expected
,
161 &sPriv
->drm_version
, & drm_expected
) ) {
165 driInitExtensions( NULL
, card_extensions
, GL_TRUE
);
167 if (sPriv
->devPrivSize
!= sizeof(I810DRIRec
)) {
168 fprintf(stderr
,"\nERROR! sizeof(I810DRIRec) does not match passed size from device driver\n");
172 /* Allocate the private area */
173 i810Screen
= (i810ScreenPrivate
*)CALLOC(sizeof(i810ScreenPrivate
));
175 __driUtilMessage("i810InitDriver: alloc i810ScreenPrivate struct failed");
179 i810Screen
->driScrnPriv
= sPriv
;
180 sPriv
->private = (void *)i810Screen
;
182 i810Screen
->deviceID
=gDRIPriv
->deviceID
;
183 i810Screen
->width
=gDRIPriv
->width
;
184 i810Screen
->height
=gDRIPriv
->height
;
185 i810Screen
->mem
=gDRIPriv
->mem
;
186 i810Screen
->cpp
=gDRIPriv
->cpp
;
187 i810Screen
->fbStride
=gDRIPriv
->fbStride
;
188 i810Screen
->fbOffset
=gDRIPriv
->fbOffset
;
190 if (gDRIPriv
->bitsPerPixel
== 15)
191 i810Screen
->fbFormat
= DV_PF_555
;
193 i810Screen
->fbFormat
= DV_PF_565
;
195 i810Screen
->backOffset
=gDRIPriv
->backOffset
;
196 i810Screen
->depthOffset
=gDRIPriv
->depthOffset
;
197 i810Screen
->backPitch
= gDRIPriv
->auxPitch
;
198 i810Screen
->backPitchBits
= gDRIPriv
->auxPitchBits
;
199 i810Screen
->textureOffset
=gDRIPriv
->textureOffset
;
200 i810Screen
->textureSize
=gDRIPriv
->textureSize
;
201 i810Screen
->logTextureGranularity
= gDRIPriv
->logTextureGranularity
;
203 i810Screen
->bufs
= i810_create_empty_buffers();
204 if (i810Screen
->bufs
== NULL
) {
205 __driUtilMessage("i810InitDriver: i810_create_empty_buffers() failed");
210 i810Screen
->back
.handle
= gDRIPriv
->backbuffer
;
211 i810Screen
->back
.size
= gDRIPriv
->backbufferSize
;
213 if (drmMap(sPriv
->fd
,
214 i810Screen
->back
.handle
,
215 i810Screen
->back
.size
,
216 (drmAddress
*)&i810Screen
->back
.map
) != 0) {
218 sPriv
->private = NULL
;
219 __driUtilMessage("i810InitDriver: drmMap failed");
223 i810Screen
->depth
.handle
= gDRIPriv
->depthbuffer
;
224 i810Screen
->depth
.size
= gDRIPriv
->depthbufferSize
;
226 if (drmMap(sPriv
->fd
,
227 i810Screen
->depth
.handle
,
228 i810Screen
->depth
.size
,
229 (drmAddress
*)&i810Screen
->depth
.map
) != 0) {
230 drmUnmap(i810Screen
->back
.map
, i810Screen
->back
.size
);
232 sPriv
->private = NULL
;
233 __driUtilMessage("i810InitDriver: drmMap (2) failed");
237 i810Screen
->tex
.handle
= gDRIPriv
->textures
;
238 i810Screen
->tex
.size
= gDRIPriv
->textureSize
;
240 if (drmMap(sPriv
->fd
,
241 i810Screen
->tex
.handle
,
242 i810Screen
->tex
.size
,
243 (drmAddress
*)&i810Screen
->tex
.map
) != 0) {
244 drmUnmap(i810Screen
->back
.map
, i810Screen
->back
.size
);
245 drmUnmap(i810Screen
->depth
.map
, i810Screen
->depth
.size
);
247 sPriv
->private = NULL
;
248 __driUtilMessage("i810InitDriver: drmMap (3) failed");
252 i810Screen
->sarea_priv_offset
= gDRIPriv
->sarea_priv_offset
;
254 return i810FillInModes(sPriv
, 16, 16, 0, 1);
258 i810DestroyScreen(__DRIscreenPrivate
*sPriv
)
260 i810ScreenPrivate
*i810Screen
= (i810ScreenPrivate
*)sPriv
->private;
262 /* Need to unmap all the bufs and maps here:
264 drmUnmap(i810Screen
->back
.map
, i810Screen
->back
.size
);
265 drmUnmap(i810Screen
->depth
.map
, i810Screen
->depth
.size
);
266 drmUnmap(i810Screen
->tex
.map
, i810Screen
->tex
.size
);
269 sPriv
->private = NULL
;
274 * Create a buffer which corresponds to the window.
277 i810CreateBuffer( __DRIscreenPrivate
*driScrnPriv
,
278 __DRIdrawablePrivate
*driDrawPriv
,
279 const __GLcontextModes
*mesaVis
,
282 i810ScreenPrivate
*screen
= (i810ScreenPrivate
*) driScrnPriv
->private;
285 return GL_FALSE
; /* not implemented */
288 struct gl_framebuffer
*fb
= _mesa_create_framebuffer(mesaVis
);
291 driRenderbuffer
*frontRb
292 = driNewRenderbuffer(GL_RGBA
,
295 /*screen->frontOffset*/0, screen
->backPitch
,
297 i810SetSpanFunctions(frontRb
, mesaVis
);
298 _mesa_add_renderbuffer(fb
, BUFFER_FRONT_LEFT
, &frontRb
->Base
);
301 if (mesaVis
->doubleBufferMode
) {
302 driRenderbuffer
*backRb
303 = driNewRenderbuffer(GL_RGBA
,
306 screen
->backOffset
, screen
->backPitch
,
308 i810SetSpanFunctions(backRb
, mesaVis
);
309 _mesa_add_renderbuffer(fb
, BUFFER_BACK_LEFT
, &backRb
->Base
);
312 if (mesaVis
->depthBits
== 16) {
313 driRenderbuffer
*depthRb
314 = driNewRenderbuffer(GL_DEPTH_COMPONENT16
,
317 screen
->depthOffset
, screen
->backPitch
,
319 i810SetSpanFunctions(depthRb
, mesaVis
);
320 _mesa_add_renderbuffer(fb
, BUFFER_DEPTH
, &depthRb
->Base
);
323 _mesa_add_soft_renderbuffers(fb
,
324 GL_FALSE
, /* color */
325 GL_FALSE
, /* depth */
326 mesaVis
->stencilBits
> 0,
327 mesaVis
->accumRedBits
> 0,
328 GL_FALSE
, /* alpha */
330 driDrawPriv
->driverPrivate
= (void *) fb
;
332 return (driDrawPriv
->driverPrivate
!= NULL
);
338 i810DestroyBuffer(__DRIdrawablePrivate
*driDrawPriv
)
340 _mesa_unreference_framebuffer((GLframebuffer
**)(&(driDrawPriv
->driverPrivate
)));
343 const struct __DriverAPIRec driDriverAPI
= {
344 .InitScreen
= i810InitScreen
,
345 .DestroyScreen
= i810DestroyScreen
,
346 .CreateContext
= i810CreateContext
,
347 .DestroyContext
= i810DestroyContext
,
348 .CreateBuffer
= i810CreateBuffer
,
349 .DestroyBuffer
= i810DestroyBuffer
,
350 .SwapBuffers
= i810SwapBuffers
,
351 .MakeCurrent
= i810MakeCurrent
,
352 .UnbindContext
= i810UnbindContext
,
354 .GetDrawableMSC
= NULL
,
357 .SwapBuffersMSC
= NULL