2cdf0252ce7886b4dc346dff4c1adadcc2ae4529
2 * GLX Hardware Device Driver for Intel i810
3 * Copyright (C) 1999 Keith Whitwell
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice shall be included
13 * in all copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * KEITH WHITWELL, OR ANY OTHER CONTRIBUTORS BE LIABLE FOR ANY CLAIM,
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
21 * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 /* $XFree86: xc/lib/GL/mesa/src/drv/i810/i810vb.c,v 1.13 2003/03/26 20:43:48 tsi Exp $ */
34 #include "swrast_setup/swrast_setup.h"
35 #include "tnl/t_context.h"
37 #include "i810screen.h"
40 #include "i810context.h"
42 #include "i810ioctl.h"
44 #include "i810state.h"
47 #define I810_TEX1_BIT 0x1
48 #define I810_TEX0_BIT 0x2
49 #define I810_RGBA_BIT 0x4
50 #define I810_SPEC_BIT 0x8
51 #define I810_FOG_BIT 0x10
52 #define I810_XYZW_BIT 0x20
53 #define I810_PTEX_BIT 0x40
54 #define I810_MAX_SETUP 0x80
57 void (*emit
)( GLcontext
*, GLuint
, GLuint
, void *, GLuint
);
60 GLboolean (*check_tex_sizes
)( GLcontext
*ctx
);
63 } setup_tab
[I810_MAX_SETUP
];
65 #define TINY_VERTEX_FORMAT (GFX_OP_VERTEX_FMT | \
66 VF_TEXCOORD_COUNT_0 | \
70 #define NOTEX_VERTEX_FORMAT (GFX_OP_VERTEX_FMT | \
71 VF_TEXCOORD_COUNT_0 | \
72 VF_SPEC_FOG_ENABLE | \
76 #define TEX0_VERTEX_FORMAT (GFX_OP_VERTEX_FMT | \
77 VF_TEXCOORD_COUNT_1 | \
78 VF_SPEC_FOG_ENABLE | \
82 #define TEX1_VERTEX_FORMAT (GFX_OP_VERTEX_FMT | \
83 VF_TEXCOORD_COUNT_2 | \
84 VF_SPEC_FOG_ENABLE | \
88 #define PROJ_TEX1_VERTEX_FORMAT 0
89 #define TEX2_VERTEX_FORMAT 0
90 #define TEX3_VERTEX_FORMAT 0
91 #define PROJ_TEX3_VERTEX_FORMAT 0
93 #define DO_XYZW (IND & I810_XYZW_BIT)
94 #define DO_RGBA (IND & I810_RGBA_BIT)
95 #define DO_SPEC (IND & I810_SPEC_BIT)
96 #define DO_FOG (IND & I810_FOG_BIT)
97 #define DO_TEX0 (IND & I810_TEX0_BIT)
98 #define DO_TEX1 (IND & I810_TEX1_BIT)
101 #define DO_PTEX (IND & I810_PTEX_BIT)
103 #define VERTEX i810Vertex
104 #define VERTEX_COLOR i810_color_t
105 #define GET_VIEWPORT_MAT() I810_CONTEXT(ctx)->ViewportMatrix.m
106 #define GET_TEXSOURCE(n) n
107 #define GET_VERTEX_FORMAT() I810_CONTEXT(ctx)->Setup[I810_CTXREG_VF]
108 #define GET_VERTEX_STORE() I810_CONTEXT(ctx)->verts
109 #define GET_VERTEX_SIZE() I810_CONTEXT(ctx)->vertex_size * sizeof(GLuint)
110 #define INVALIDATE_STORED_VERTICES()
112 #define HAVE_HW_VIEWPORT 0
113 #define HAVE_HW_DIVIDE 0
114 #define HAVE_RGBA_COLOR 0
115 #define HAVE_TINY_VERTICES 1
116 #define HAVE_NOTEX_VERTICES 1
117 #define HAVE_TEX0_VERTICES 1
118 #define HAVE_TEX1_VERTICES 1
119 #define HAVE_TEX2_VERTICES 0
120 #define HAVE_TEX3_VERTICES 0
121 #define HAVE_PTEX_VERTICES 0
123 #define UNVIEWPORT_VARS GLfloat h = I810_CONTEXT(ctx)->driDrawable->h
124 #define UNVIEWPORT_X(x) x - SUBPIXEL_X
125 #define UNVIEWPORT_Y(y) - y + h + SUBPIXEL_Y
126 #define UNVIEWPORT_Z(z) z * (float)0xffff
128 #define PTEX_FALLBACK() FALLBACK(I810_CONTEXT(ctx), I810_FALLBACK_TEXTURE, 1)
130 #define INTERP_VERTEX setup_tab[I810_CONTEXT(ctx)->SetupIndex].interp
131 #define COPY_PV_VERTEX setup_tab[I810_CONTEXT(ctx)->SetupIndex].copy_pv
134 /***********************************************************************
135 * Generate pv-copying and translation functions *
136 ***********************************************************************/
138 #define TAG(x) i810_##x
139 #include "tnl_dd/t_dd_vb.c"
141 /***********************************************************************
142 * Generate vertex emit and interp functions *
143 ***********************************************************************/
146 #define IND (I810_XYZW_BIT|I810_RGBA_BIT)
147 #define TAG(x) x##_wg
148 #include "tnl_dd/t_dd_vbtmp.h"
150 #define IND (I810_XYZW_BIT|I810_RGBA_BIT|I810_SPEC_BIT)
151 #define TAG(x) x##_wgs
152 #include "tnl_dd/t_dd_vbtmp.h"
154 #define IND (I810_XYZW_BIT|I810_RGBA_BIT|I810_TEX0_BIT)
155 #define TAG(x) x##_wgt0
156 #include "tnl_dd/t_dd_vbtmp.h"
158 #define IND (I810_XYZW_BIT|I810_RGBA_BIT|I810_TEX0_BIT|I810_TEX1_BIT)
159 #define TAG(x) x##_wgt0t1
160 #include "tnl_dd/t_dd_vbtmp.h"
162 #define IND (I810_XYZW_BIT|I810_RGBA_BIT|I810_TEX0_BIT|I810_PTEX_BIT)
163 #define TAG(x) x##_wgpt0
164 #include "tnl_dd/t_dd_vbtmp.h"
166 #define IND (I810_XYZW_BIT|I810_RGBA_BIT|I810_SPEC_BIT|I810_TEX0_BIT)
167 #define TAG(x) x##_wgst0
168 #include "tnl_dd/t_dd_vbtmp.h"
170 #define IND (I810_XYZW_BIT|I810_RGBA_BIT|I810_SPEC_BIT|I810_TEX0_BIT|\
172 #define TAG(x) x##_wgst0t1
173 #include "tnl_dd/t_dd_vbtmp.h"
175 #define IND (I810_XYZW_BIT|I810_RGBA_BIT|I810_SPEC_BIT|I810_TEX0_BIT|\
177 #define TAG(x) x##_wgspt0
178 #include "tnl_dd/t_dd_vbtmp.h"
180 #define IND (I810_XYZW_BIT|I810_RGBA_BIT|I810_FOG_BIT)
181 #define TAG(x) x##_wgf
182 #include "tnl_dd/t_dd_vbtmp.h"
184 #define IND (I810_XYZW_BIT|I810_RGBA_BIT|I810_FOG_BIT|I810_SPEC_BIT)
185 #define TAG(x) x##_wgfs
186 #include "tnl_dd/t_dd_vbtmp.h"
188 #define IND (I810_XYZW_BIT|I810_RGBA_BIT|I810_FOG_BIT|I810_TEX0_BIT)
189 #define TAG(x) x##_wgft0
190 #include "tnl_dd/t_dd_vbtmp.h"
192 #define IND (I810_XYZW_BIT|I810_RGBA_BIT|I810_FOG_BIT|I810_TEX0_BIT|\
194 #define TAG(x) x##_wgft0t1
195 #include "tnl_dd/t_dd_vbtmp.h"
197 #define IND (I810_XYZW_BIT|I810_RGBA_BIT|I810_FOG_BIT|I810_TEX0_BIT|\
199 #define TAG(x) x##_wgfpt0
200 #include "tnl_dd/t_dd_vbtmp.h"
202 #define IND (I810_XYZW_BIT|I810_RGBA_BIT|I810_FOG_BIT|I810_SPEC_BIT|\
204 #define TAG(x) x##_wgfst0
205 #include "tnl_dd/t_dd_vbtmp.h"
207 #define IND (I810_XYZW_BIT|I810_RGBA_BIT|I810_FOG_BIT|I810_SPEC_BIT|\
208 I810_TEX0_BIT|I810_TEX1_BIT)
209 #define TAG(x) x##_wgfst0t1
210 #include "tnl_dd/t_dd_vbtmp.h"
212 #define IND (I810_XYZW_BIT|I810_RGBA_BIT|I810_FOG_BIT|I810_SPEC_BIT|\
213 I810_TEX0_BIT|I810_PTEX_BIT)
214 #define TAG(x) x##_wgfspt0
215 #include "tnl_dd/t_dd_vbtmp.h"
217 #define IND (I810_TEX0_BIT)
218 #define TAG(x) x##_t0
219 #include "tnl_dd/t_dd_vbtmp.h"
221 #define IND (I810_TEX0_BIT|I810_TEX1_BIT)
222 #define TAG(x) x##_t0t1
223 #include "tnl_dd/t_dd_vbtmp.h"
225 #define IND (I810_FOG_BIT)
227 #include "tnl_dd/t_dd_vbtmp.h"
229 #define IND (I810_FOG_BIT|I810_TEX0_BIT)
230 #define TAG(x) x##_ft0
231 #include "tnl_dd/t_dd_vbtmp.h"
233 #define IND (I810_FOG_BIT|I810_TEX0_BIT|I810_TEX1_BIT)
234 #define TAG(x) x##_ft0t1
235 #include "tnl_dd/t_dd_vbtmp.h"
237 #define IND (I810_RGBA_BIT)
239 #include "tnl_dd/t_dd_vbtmp.h"
241 #define IND (I810_RGBA_BIT|I810_SPEC_BIT)
242 #define TAG(x) x##_gs
243 #include "tnl_dd/t_dd_vbtmp.h"
245 #define IND (I810_RGBA_BIT|I810_TEX0_BIT)
246 #define TAG(x) x##_gt0
247 #include "tnl_dd/t_dd_vbtmp.h"
249 #define IND (I810_RGBA_BIT|I810_TEX0_BIT|I810_TEX1_BIT)
250 #define TAG(x) x##_gt0t1
251 #include "tnl_dd/t_dd_vbtmp.h"
253 #define IND (I810_RGBA_BIT|I810_SPEC_BIT|I810_TEX0_BIT)
254 #define TAG(x) x##_gst0
255 #include "tnl_dd/t_dd_vbtmp.h"
257 #define IND (I810_RGBA_BIT|I810_SPEC_BIT|I810_TEX0_BIT|I810_TEX1_BIT)
258 #define TAG(x) x##_gst0t1
259 #include "tnl_dd/t_dd_vbtmp.h"
261 #define IND (I810_RGBA_BIT|I810_FOG_BIT)
262 #define TAG(x) x##_gf
263 #include "tnl_dd/t_dd_vbtmp.h"
265 #define IND (I810_RGBA_BIT|I810_FOG_BIT|I810_SPEC_BIT)
266 #define TAG(x) x##_gfs
267 #include "tnl_dd/t_dd_vbtmp.h"
269 #define IND (I810_RGBA_BIT|I810_FOG_BIT|I810_TEX0_BIT)
270 #define TAG(x) x##_gft0
271 #include "tnl_dd/t_dd_vbtmp.h"
273 #define IND (I810_RGBA_BIT|I810_FOG_BIT|I810_TEX0_BIT|I810_TEX1_BIT)
274 #define TAG(x) x##_gft0t1
275 #include "tnl_dd/t_dd_vbtmp.h"
277 #define IND (I810_RGBA_BIT|I810_FOG_BIT|I810_SPEC_BIT|I810_TEX0_BIT)
278 #define TAG(x) x##_gfst0
279 #include "tnl_dd/t_dd_vbtmp.h"
281 #define IND (I810_RGBA_BIT|I810_FOG_BIT|I810_SPEC_BIT|I810_TEX0_BIT|\
283 #define TAG(x) x##_gfst0t1
284 #include "tnl_dd/t_dd_vbtmp.h"
287 static void init_setup_tab( void )
326 void i810PrintSetupFlags(char *msg
, GLuint flags
)
328 fprintf(stderr
, "%s(%x): %s%s%s%s%s%s\n",
331 (flags
& I810_XYZW_BIT
) ? " xyzw," : "",
332 (flags
& I810_RGBA_BIT
) ? " rgba," : "",
333 (flags
& I810_SPEC_BIT
) ? " spec," : "",
334 (flags
& I810_FOG_BIT
) ? " fog," : "",
335 (flags
& I810_TEX0_BIT
) ? " tex-0," : "",
336 (flags
& I810_TEX1_BIT
) ? " tex-1," : "");
341 void i810CheckTexSizes( GLcontext
*ctx
)
343 TNLcontext
*tnl
= TNL_CONTEXT(ctx
);
344 i810ContextPtr imesa
= I810_CONTEXT( ctx
);
346 if (!setup_tab
[imesa
->SetupIndex
].check_tex_sizes(ctx
)) {
347 /* Invalidate stored verts
349 imesa
->SetupNewInputs
= ~0;
350 imesa
->SetupIndex
|= I810_PTEX_BIT
;
352 if (!imesa
->Fallback
&&
353 !(ctx
->_TriangleCaps
& (DD_TRI_LIGHT_TWOSIDE
|DD_TRI_UNFILLED
))) {
354 tnl
->Driver
.Render
.Interp
= setup_tab
[imesa
->SetupIndex
].interp
;
355 tnl
->Driver
.Render
.CopyPV
= setup_tab
[imesa
->SetupIndex
].copy_pv
;
357 if (imesa
->Fallback
) {
358 tnl
->Driver
.Render
.Start(ctx
);
363 void i810BuildVertices( GLcontext
*ctx
,
368 i810ContextPtr imesa
= I810_CONTEXT( ctx
);
369 GLuint stride
= imesa
->vertex_size
* sizeof(int);
370 GLubyte
*v
= ((GLubyte
*)imesa
->verts
+ (start
* stride
));
372 if (0) fprintf(stderr
, "%s\n", __FUNCTION__
);
374 newinputs
|= imesa
->SetupNewInputs
;
375 imesa
->SetupNewInputs
= 0;
380 if (newinputs
& VERT_BIT_POS
) {
381 setup_tab
[imesa
->SetupIndex
].emit( ctx
, start
, count
, v
, stride
);
385 if (newinputs
& VERT_BIT_COLOR0
)
386 ind
|= I810_RGBA_BIT
;
388 if (newinputs
& VERT_BIT_COLOR1
)
389 ind
|= I810_SPEC_BIT
;
391 if (newinputs
& VERT_BIT_TEX0
)
392 ind
|= I810_TEX0_BIT
;
394 if (newinputs
& VERT_BIT_TEX1
)
395 ind
|= I810_TEX1_BIT
;
397 if (newinputs
& VERT_BIT_FOG
)
400 if (imesa
->SetupIndex
& I810_PTEX_BIT
)
403 ind
&= imesa
->SetupIndex
;
406 setup_tab
[ind
].emit( ctx
, start
, count
, v
, stride
);
411 void i810ChooseVertexState( GLcontext
*ctx
)
413 TNLcontext
*tnl
= TNL_CONTEXT(ctx
);
414 i810ContextPtr imesa
= I810_CONTEXT( ctx
);
415 GLuint ind
= I810_XYZW_BIT
|I810_RGBA_BIT
;
417 if (ctx
->_TriangleCaps
& DD_SEPARATE_SPECULAR
)
418 ind
|= I810_SPEC_BIT
;
420 if (ctx
->Fog
.Enabled
)
423 if (ctx
->Texture
._EnabledUnits
& 0x2)
425 ind
|= I810_TEX1_BIT
|I810_TEX0_BIT
;
426 else if (ctx
->Texture
._EnabledUnits
& 0x1)
428 ind
|= I810_TEX0_BIT
;
430 imesa
->SetupIndex
= ind
;
432 if (I810_DEBUG
& (DEBUG_VERTS
|DEBUG_STATE
))
433 i810PrintSetupFlags( __FUNCTION__
, ind
);
435 if (ctx
->_TriangleCaps
& (DD_TRI_LIGHT_TWOSIDE
|DD_TRI_UNFILLED
)) {
436 tnl
->Driver
.Render
.Interp
= i810_interp_extras
;
437 tnl
->Driver
.Render
.CopyPV
= i810_copy_pv_extras
;
439 tnl
->Driver
.Render
.Interp
= setup_tab
[ind
].interp
;
440 tnl
->Driver
.Render
.CopyPV
= setup_tab
[ind
].copy_pv
;
443 if (setup_tab
[ind
].vertex_format
!= imesa
->Setup
[I810_CTXREG_VF
]) {
444 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
445 imesa
->Setup
[I810_CTXREG_VF
] = setup_tab
[ind
].vertex_format
;
446 imesa
->vertex_size
= setup_tab
[ind
].vertex_size
;
452 void *i810_emit_contiguous_verts( GLcontext
*ctx
,
457 i810ContextPtr imesa
= I810_CONTEXT(ctx
);
458 GLuint stride
= imesa
->vertex_size
* 4;
459 setup_tab
[imesa
->SetupIndex
].emit( ctx
, start
, count
, dest
, stride
);
460 return (void *)((char *)dest
+ stride
* (count
- start
));
465 void i810InitVB( GLcontext
*ctx
)
467 i810ContextPtr imesa
= I810_CONTEXT(ctx
);
468 GLuint size
= TNL_CONTEXT(ctx
)->vb
.Size
;
470 imesa
->verts
= (GLubyte
*)ALIGN_MALLOC(size
* 4 * 16, 32);
473 static int firsttime
= 1;
482 void i810FreeVB( GLcontext
*ctx
)
484 i810ContextPtr imesa
= I810_CONTEXT(ctx
);
486 ALIGN_FREE(imesa
->verts
);