1 /* $XFree86$ */ /* -*- mode: c; c-basic-offset: 3 -*- */
3 * Copyright 2000 Gareth Hughes
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice (including the next
14 * paragraph) shall be included in all copies or substantial portions of the
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * GARETH HUGHES BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
21 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
22 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27 * Gareth Hughes <gareth@valinux.com>
28 * Leif Delgass <ldelgass@retinalburn.net>
29 * Jos�Fonseca <j_r_fonseca@yahoo.co.uk>
34 #include "simple_list.h"
37 #include "extensions.h"
39 #include "swrast/swrast.h"
40 #include "swrast_setup/swrast_setup.h"
41 #include "array_cache/acache.h"
44 #include "tnl/t_pipeline.h"
46 #include "drivers/common/driverfuncs.h"
48 #include "mach64_context.h"
49 #include "mach64_ioctl.h"
50 #include "mach64_dd.h"
51 #include "mach64_span.h"
52 #include "mach64_state.h"
53 #include "mach64_tex.h"
54 #include "mach64_tris.h"
55 #include "mach64_vb.h"
61 int MACH64_DEBUG
= (0);
64 static const struct dri_debug_control debug_control
[] =
66 { "sync", DEBUG_ALWAYS_SYNC
},
67 { "api", DEBUG_VERBOSE_API
},
68 { "msg", DEBUG_VERBOSE_MSG
},
69 { "lru", DEBUG_VERBOSE_LRU
},
70 { "dri", DEBUG_VERBOSE_DRI
},
71 { "ioctl", DEBUG_VERBOSE_IOCTL
},
72 { "prims", DEBUG_VERBOSE_PRIMS
},
73 { "count", DEBUG_VERBOSE_COUNT
},
74 { "nowait", DEBUG_NOWAIT
},
75 { "fall", DEBUG_VERBOSE_FALLBACK
},
79 static const char * const card_extensions
[] =
81 "GL_ARB_multitexture",
82 "GL_EXT_texture_edge_clamp",
83 "GL_MESA_ycbcr_texture",
84 "GL_SGIS_generate_mipmap",
85 "GL_SGIS_texture_edge_clamp",
90 /* Create the device specific context.
92 GLboolean
mach64CreateContext( const __GLcontextModes
*glVisual
,
93 __DRIcontextPrivate
*driContextPriv
,
94 void *sharedContextPrivate
)
96 GLcontext
*ctx
, *shareCtx
;
97 __DRIscreenPrivate
*driScreen
= driContextPriv
->driScreenPriv
;
98 struct dd_function_table functions
;
99 mach64ContextPtr mmesa
;
100 mach64ScreenPtr mach64Screen
;
104 MACH64_DEBUG
= driParseDebugString(getenv("MACH64_DEBUG"), debug_control
);
107 /* Allocate the mach64 context */
108 mmesa
= (mach64ContextPtr
) CALLOC( sizeof(*mmesa
) );
112 /* Init default driver functions then plug in our Mach64-specific functions
113 * (the texture functions are especially important)
115 _mesa_init_driver_functions( &functions
);
116 mach64InitDriverFuncs( &functions
);
117 mach64InitIoctlFuncs( &functions
);
118 mach64InitTextureFuncs( &functions
);
120 /* Allocate the Mesa context */
121 if (sharedContextPrivate
)
122 shareCtx
= ((mach64ContextPtr
) sharedContextPrivate
)->glCtx
;
125 mmesa
->glCtx
= _mesa_create_context(glVisual
, shareCtx
,
126 &functions
, (void *)mmesa
);
131 driContextPriv
->driverPrivate
= mmesa
;
134 mmesa
->driContext
= driContextPriv
;
135 mmesa
->driScreen
= driScreen
;
136 mmesa
->driDrawable
= NULL
;
137 mmesa
->hHWContext
= driContextPriv
->hHWContext
;
138 mmesa
->driHwLock
= &driScreen
->pSAREA
->lock
;
139 mmesa
->driFd
= driScreen
->fd
;
141 mach64Screen
= mmesa
->mach64Screen
= (mach64ScreenPtr
)driScreen
->private;
143 /* Parse configuration files */
144 driParseConfigFiles (&mmesa
->optionCache
, &mach64Screen
->optionCache
,
145 mach64Screen
->driScreen
->myNum
, "mach64");
147 mmesa
->sarea
= (drm_mach64_sarea_t
*)((char *)driScreen
->pSAREA
+
148 sizeof(drm_sarea_t
));
150 mmesa
->CurrentTexObj
[0] = NULL
;
151 mmesa
->CurrentTexObj
[1] = NULL
;
153 make_empty_list( &mmesa
->SwappedOut
);
155 mmesa
->firstTexHeap
= mach64Screen
->firstTexHeap
;
156 mmesa
->lastTexHeap
= mach64Screen
->firstTexHeap
+ mach64Screen
->numTexHeaps
;
158 for ( i
= mmesa
->firstTexHeap
; i
< mmesa
->lastTexHeap
; i
++ ) {
159 make_empty_list( &mmesa
->TexObjList
[i
] );
160 mmesa
->texHeap
[i
] = mmInit( 0, mach64Screen
->texSize
[i
] );
161 mmesa
->lastTexAge
[i
] = -1;
164 mmesa
->RenderIndex
= -1; /* Impossible value */
165 mmesa
->vert_buf
= NULL
;
166 mmesa
->num_verts
= 0;
167 mmesa
->new_state
= MACH64_NEW_ALL
;
168 mmesa
->dirty
= MACH64_UPLOAD_ALL
;
170 /* Set the maximum texture size small enough that we can
171 * guarentee that both texture units can bind a maximal texture
172 * and have them both in memory (on-card or AGP) at once.
173 * Test for 2 textures * bytes/texel * size * size. There's no
174 * need to account for mipmaps since we only upload one level.
176 heap
= mach64Screen
->IsPCI
? MACH64_CARD_HEAP
: MACH64_AGP_HEAP
;
178 if ( mach64Screen
->texSize
[heap
] >= 2 * mach64Screen
->cpp
* 1024*1024 ) {
179 ctx
->Const
.MaxTextureLevels
= 11; /* 1024x1024 */
180 } else if ( mach64Screen
->texSize
[heap
] >= 2 * mach64Screen
->cpp
* 512*512 ) {
181 ctx
->Const
.MaxTextureLevels
= 10; /* 512x512 */
183 ctx
->Const
.MaxTextureLevels
= 9; /* 256x256 */
186 ctx
->Const
.MaxTextureUnits
= 2;
188 #if ENABLE_PERF_BOXES
189 mmesa
->boxes
= ( getenv( "LIBGL_PERFORMANCE_BOXES" ) != NULL
);
192 /* Allocate the vertex buffer
194 mmesa
->vert_buf
= ALIGN_MALLOC(MACH64_BUFFER_SIZE
, 32);
195 if ( !mmesa
->vert_buf
)
197 mmesa
->vert_used
= 0;
198 mmesa
->vert_total
= MACH64_BUFFER_SIZE
;
200 /* Initialize the software rasterizer and helper modules.
202 _swrast_CreateContext( ctx
);
203 _ac_CreateContext( ctx
);
204 _tnl_CreateContext( ctx
);
205 _swsetup_CreateContext( ctx
);
207 /* Install the customized pipeline:
209 /* _tnl_destroy_pipeline( ctx ); */
210 /* _tnl_install_pipeline( ctx, mach64_pipeline ); */
212 /* Configure swrast and T&L to match hardware characteristics:
214 _swrast_allow_pixel_fog( ctx
, GL_FALSE
);
215 _swrast_allow_vertex_fog( ctx
, GL_TRUE
);
216 _tnl_allow_pixel_fog( ctx
, GL_FALSE
);
217 _tnl_allow_vertex_fog( ctx
, GL_TRUE
);
219 driInitExtensions( ctx
, card_extensions
, GL_TRUE
);
222 mach64InitTriFuncs( ctx
);
223 mach64DDInitStateFuncs( ctx
);
224 mach64DDInitSpanFuncs( ctx
);
225 mach64DDInitState( mmesa
);
227 mmesa
->do_irqs
= (mmesa
->mach64Screen
->irq
&& !getenv("MACH64_NO_IRQS"));
229 mmesa
->vblank_flags
= (mmesa
->do_irqs
)
230 ? driGetDefaultVBlankFlags(&mmesa
->optionCache
) : VBLANK_FLAG_NO_IRQ
;
232 driContextPriv
->driverPrivate
= (void *)mmesa
;
234 if (driQueryOptionb(&mmesa
->optionCache
, "no_rast")) {
235 fprintf(stderr
, "disabling 3D acceleration\n");
236 FALLBACK(mmesa
, MACH64_FALLBACK_DISABLE
, 1);
242 /* Destroy the device specific context.
244 void mach64DestroyContext( __DRIcontextPrivate
*driContextPriv
)
246 mach64ContextPtr mmesa
= (mach64ContextPtr
) driContextPriv
->driverPrivate
;
248 assert(mmesa
); /* should never be null */
250 if (mmesa
->glCtx
->Shared
->RefCount
== 1) {
251 /* This share group is about to go away, free our private
252 * texture object data.
254 mach64TexObjPtr t
, next_t
;
257 for ( i
= mmesa
->firstTexHeap
; i
< mmesa
->lastTexHeap
; i
++ ) {
258 foreach_s ( t
, next_t
, &mmesa
->TexObjList
[i
] ) {
259 mach64DestroyTexObj( mmesa
, t
);
261 mmDestroy( mmesa
->texHeap
[i
] );
262 mmesa
->texHeap
[i
] = NULL
;
265 foreach_s ( t
, next_t
, &mmesa
->SwappedOut
) {
266 mach64DestroyTexObj( mmesa
, t
);
270 _swsetup_DestroyContext( mmesa
->glCtx
);
271 _tnl_DestroyContext( mmesa
->glCtx
);
272 _ac_DestroyContext( mmesa
->glCtx
);
273 _swrast_DestroyContext( mmesa
->glCtx
);
275 mach64FreeVB( mmesa
->glCtx
);
277 /* Free the vertex buffer */
278 if ( mmesa
->vert_buf
)
279 ALIGN_FREE( mmesa
->vert_buf
);
281 /* free the Mesa context */
282 mmesa
->glCtx
->DriverCtx
= NULL
;
283 _mesa_destroy_context(mmesa
->glCtx
);
289 /* Force the context `c' to be the current context and associate with it
293 mach64MakeCurrent( __DRIcontextPrivate
*driContextPriv
,
294 __DRIdrawablePrivate
*driDrawPriv
,
295 __DRIdrawablePrivate
*driReadPriv
)
297 if ( driContextPriv
) {
298 GET_CURRENT_CONTEXT(ctx
);
299 mach64ContextPtr oldMach64Ctx
= ctx
? MACH64_CONTEXT(ctx
) : NULL
;
300 mach64ContextPtr newMach64Ctx
= (mach64ContextPtr
) driContextPriv
->driverPrivate
;
302 if ( newMach64Ctx
!= oldMach64Ctx
) {
303 newMach64Ctx
->new_state
|= MACH64_NEW_CONTEXT
;
304 newMach64Ctx
->dirty
= MACH64_UPLOAD_ALL
;
308 driDrawableInitVBlank( driDrawPriv
, newMach64Ctx
->vblank_flags
);
310 if ( newMach64Ctx
->driDrawable
!= driDrawPriv
) {
311 newMach64Ctx
->driDrawable
= driDrawPriv
;
312 mach64CalcViewport( newMach64Ctx
->glCtx
);
315 _mesa_make_current( newMach64Ctx
->glCtx
,
316 (GLframebuffer
*) driDrawPriv
->driverPrivate
,
317 (GLframebuffer
*) driReadPriv
->driverPrivate
);
320 newMach64Ctx
->new_state
|= MACH64_NEW_CLIP
;
322 _mesa_make_current( NULL
, NULL
, NULL
);
329 /* Force the context `c' to be unbound from its buffer.
332 mach64UnbindContext( __DRIcontextPrivate
*driContextPriv
)