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.
27 #include "main/glheader.h"
28 #include "main/mtypes.h"
29 #include "main/imports.h"
30 #include "main/macros.h"
31 #include "main/colormac.h"
33 #include "swrast_setup/swrast_setup.h"
34 #include "tnl/t_context.h"
36 #include "i810screen.h"
38 #include "i810context.h"
40 #include "i810ioctl.h"
42 #include "i810state.h"
45 #define I810_TEX1_BIT 0x1
46 #define I810_TEX0_BIT 0x2
47 #define I810_RGBA_BIT 0x4
48 #define I810_SPEC_BIT 0x8
49 #define I810_FOG_BIT 0x10
50 #define I810_XYZW_BIT 0x20
51 #define I810_PTEX_BIT 0x40
52 #define I810_MAX_SETUP 0x80
55 void (*emit
)( GLcontext
*, GLuint
, GLuint
, void *, GLuint
);
56 tnl_interp_func interp
;
57 tnl_copy_pv_func copy_pv
;
58 GLboolean (*check_tex_sizes
)( GLcontext
*ctx
);
61 } setup_tab
[I810_MAX_SETUP
];
63 #define TINY_VERTEX_FORMAT (GFX_OP_VERTEX_FMT | \
64 VF_TEXCOORD_COUNT_0 | \
68 #define NOTEX_VERTEX_FORMAT (GFX_OP_VERTEX_FMT | \
69 VF_TEXCOORD_COUNT_0 | \
70 VF_SPEC_FOG_ENABLE | \
74 #define TEX0_VERTEX_FORMAT (GFX_OP_VERTEX_FMT | \
75 VF_TEXCOORD_COUNT_1 | \
76 VF_SPEC_FOG_ENABLE | \
80 #define TEX1_VERTEX_FORMAT (GFX_OP_VERTEX_FMT | \
81 VF_TEXCOORD_COUNT_2 | \
82 VF_SPEC_FOG_ENABLE | \
86 #define PROJ_TEX1_VERTEX_FORMAT 0
87 #define TEX2_VERTEX_FORMAT 0
88 #define TEX3_VERTEX_FORMAT 0
89 #define PROJ_TEX3_VERTEX_FORMAT 0
91 #define DO_XYZW (IND & I810_XYZW_BIT)
92 #define DO_RGBA (IND & I810_RGBA_BIT)
93 #define DO_SPEC (IND & I810_SPEC_BIT)
94 #define DO_FOG (IND & I810_FOG_BIT)
95 #define DO_TEX0 (IND & I810_TEX0_BIT)
96 #define DO_TEX1 (IND & I810_TEX1_BIT)
99 #define DO_PTEX (IND & I810_PTEX_BIT)
101 #define VERTEX i810Vertex
102 #define VERTEX_COLOR i810_color_t
103 #define GET_VIEWPORT_MAT() I810_CONTEXT(ctx)->ViewportMatrix.m
104 #define GET_TEXSOURCE(n) n
105 #define GET_VERTEX_FORMAT() I810_CONTEXT(ctx)->Setup[I810_CTXREG_VF]
106 #define GET_VERTEX_STORE() I810_CONTEXT(ctx)->verts
107 #define GET_VERTEX_SIZE() I810_CONTEXT(ctx)->vertex_size * sizeof(GLuint)
108 #define INVALIDATE_STORED_VERTICES()
110 #define HAVE_HW_VIEWPORT 0
111 #define HAVE_HW_DIVIDE 0
112 #define HAVE_RGBA_COLOR 0
113 #define HAVE_TINY_VERTICES 1
114 #define HAVE_NOTEX_VERTICES 1
115 #define HAVE_TEX0_VERTICES 1
116 #define HAVE_TEX1_VERTICES 1
117 #define HAVE_TEX2_VERTICES 0
118 #define HAVE_TEX3_VERTICES 0
119 #define HAVE_PTEX_VERTICES 0
121 #define UNVIEWPORT_VARS GLfloat h = I810_CONTEXT(ctx)->driDrawable->h
122 #define UNVIEWPORT_X(x) x - SUBPIXEL_X
123 #define UNVIEWPORT_Y(y) - y + h + SUBPIXEL_Y
124 #define UNVIEWPORT_Z(z) z * (float)0xffff
126 #define PTEX_FALLBACK() FALLBACK(I810_CONTEXT(ctx), I810_FALLBACK_TEXTURE, 1)
128 #define INTERP_VERTEX setup_tab[I810_CONTEXT(ctx)->SetupIndex].interp
129 #define COPY_PV_VERTEX setup_tab[I810_CONTEXT(ctx)->SetupIndex].copy_pv
132 /***********************************************************************
133 * Generate pv-copying and translation functions *
134 ***********************************************************************/
136 #define TAG(x) i810_##x
137 #include "tnl_dd/t_dd_vb.c"
139 /***********************************************************************
140 * Generate vertex emit and interp functions *
141 ***********************************************************************/
144 #define IND (I810_XYZW_BIT|I810_RGBA_BIT)
145 #define TAG(x) x##_wg
146 #include "tnl_dd/t_dd_vbtmp.h"
148 #define IND (I810_XYZW_BIT|I810_RGBA_BIT|I810_SPEC_BIT)
149 #define TAG(x) x##_wgs
150 #include "tnl_dd/t_dd_vbtmp.h"
152 #define IND (I810_XYZW_BIT|I810_RGBA_BIT|I810_TEX0_BIT)
153 #define TAG(x) x##_wgt0
154 #include "tnl_dd/t_dd_vbtmp.h"
156 #define IND (I810_XYZW_BIT|I810_RGBA_BIT|I810_TEX0_BIT|I810_TEX1_BIT)
157 #define TAG(x) x##_wgt0t1
158 #include "tnl_dd/t_dd_vbtmp.h"
160 #define IND (I810_XYZW_BIT|I810_RGBA_BIT|I810_TEX0_BIT|I810_PTEX_BIT)
161 #define TAG(x) x##_wgpt0
162 #include "tnl_dd/t_dd_vbtmp.h"
164 #define IND (I810_XYZW_BIT|I810_RGBA_BIT|I810_SPEC_BIT|I810_TEX0_BIT)
165 #define TAG(x) x##_wgst0
166 #include "tnl_dd/t_dd_vbtmp.h"
168 #define IND (I810_XYZW_BIT|I810_RGBA_BIT|I810_SPEC_BIT|I810_TEX0_BIT|\
170 #define TAG(x) x##_wgst0t1
171 #include "tnl_dd/t_dd_vbtmp.h"
173 #define IND (I810_XYZW_BIT|I810_RGBA_BIT|I810_SPEC_BIT|I810_TEX0_BIT|\
175 #define TAG(x) x##_wgspt0
176 #include "tnl_dd/t_dd_vbtmp.h"
178 #define IND (I810_XYZW_BIT|I810_RGBA_BIT|I810_FOG_BIT)
179 #define TAG(x) x##_wgf
180 #include "tnl_dd/t_dd_vbtmp.h"
182 #define IND (I810_XYZW_BIT|I810_RGBA_BIT|I810_FOG_BIT|I810_SPEC_BIT)
183 #define TAG(x) x##_wgfs
184 #include "tnl_dd/t_dd_vbtmp.h"
186 #define IND (I810_XYZW_BIT|I810_RGBA_BIT|I810_FOG_BIT|I810_TEX0_BIT)
187 #define TAG(x) x##_wgft0
188 #include "tnl_dd/t_dd_vbtmp.h"
190 #define IND (I810_XYZW_BIT|I810_RGBA_BIT|I810_FOG_BIT|I810_TEX0_BIT|\
192 #define TAG(x) x##_wgft0t1
193 #include "tnl_dd/t_dd_vbtmp.h"
195 #define IND (I810_XYZW_BIT|I810_RGBA_BIT|I810_FOG_BIT|I810_TEX0_BIT|\
197 #define TAG(x) x##_wgfpt0
198 #include "tnl_dd/t_dd_vbtmp.h"
200 #define IND (I810_XYZW_BIT|I810_RGBA_BIT|I810_FOG_BIT|I810_SPEC_BIT|\
202 #define TAG(x) x##_wgfst0
203 #include "tnl_dd/t_dd_vbtmp.h"
205 #define IND (I810_XYZW_BIT|I810_RGBA_BIT|I810_FOG_BIT|I810_SPEC_BIT|\
206 I810_TEX0_BIT|I810_TEX1_BIT)
207 #define TAG(x) x##_wgfst0t1
208 #include "tnl_dd/t_dd_vbtmp.h"
210 #define IND (I810_XYZW_BIT|I810_RGBA_BIT|I810_FOG_BIT|I810_SPEC_BIT|\
211 I810_TEX0_BIT|I810_PTEX_BIT)
212 #define TAG(x) x##_wgfspt0
213 #include "tnl_dd/t_dd_vbtmp.h"
215 #define IND (I810_TEX0_BIT)
216 #define TAG(x) x##_t0
217 #include "tnl_dd/t_dd_vbtmp.h"
219 #define IND (I810_TEX0_BIT|I810_TEX1_BIT)
220 #define TAG(x) x##_t0t1
221 #include "tnl_dd/t_dd_vbtmp.h"
223 #define IND (I810_FOG_BIT)
225 #include "tnl_dd/t_dd_vbtmp.h"
227 #define IND (I810_FOG_BIT|I810_TEX0_BIT)
228 #define TAG(x) x##_ft0
229 #include "tnl_dd/t_dd_vbtmp.h"
231 #define IND (I810_FOG_BIT|I810_TEX0_BIT|I810_TEX1_BIT)
232 #define TAG(x) x##_ft0t1
233 #include "tnl_dd/t_dd_vbtmp.h"
235 #define IND (I810_RGBA_BIT)
237 #include "tnl_dd/t_dd_vbtmp.h"
239 #define IND (I810_RGBA_BIT|I810_SPEC_BIT)
240 #define TAG(x) x##_gs
241 #include "tnl_dd/t_dd_vbtmp.h"
243 #define IND (I810_RGBA_BIT|I810_TEX0_BIT)
244 #define TAG(x) x##_gt0
245 #include "tnl_dd/t_dd_vbtmp.h"
247 #define IND (I810_RGBA_BIT|I810_TEX0_BIT|I810_TEX1_BIT)
248 #define TAG(x) x##_gt0t1
249 #include "tnl_dd/t_dd_vbtmp.h"
251 #define IND (I810_RGBA_BIT|I810_SPEC_BIT|I810_TEX0_BIT)
252 #define TAG(x) x##_gst0
253 #include "tnl_dd/t_dd_vbtmp.h"
255 #define IND (I810_RGBA_BIT|I810_SPEC_BIT|I810_TEX0_BIT|I810_TEX1_BIT)
256 #define TAG(x) x##_gst0t1
257 #include "tnl_dd/t_dd_vbtmp.h"
259 #define IND (I810_RGBA_BIT|I810_FOG_BIT)
260 #define TAG(x) x##_gf
261 #include "tnl_dd/t_dd_vbtmp.h"
263 #define IND (I810_RGBA_BIT|I810_FOG_BIT|I810_SPEC_BIT)
264 #define TAG(x) x##_gfs
265 #include "tnl_dd/t_dd_vbtmp.h"
267 #define IND (I810_RGBA_BIT|I810_FOG_BIT|I810_TEX0_BIT)
268 #define TAG(x) x##_gft0
269 #include "tnl_dd/t_dd_vbtmp.h"
271 #define IND (I810_RGBA_BIT|I810_FOG_BIT|I810_TEX0_BIT|I810_TEX1_BIT)
272 #define TAG(x) x##_gft0t1
273 #include "tnl_dd/t_dd_vbtmp.h"
275 #define IND (I810_RGBA_BIT|I810_FOG_BIT|I810_SPEC_BIT|I810_TEX0_BIT)
276 #define TAG(x) x##_gfst0
277 #include "tnl_dd/t_dd_vbtmp.h"
279 #define IND (I810_RGBA_BIT|I810_FOG_BIT|I810_SPEC_BIT|I810_TEX0_BIT|\
281 #define TAG(x) x##_gfst0t1
282 #include "tnl_dd/t_dd_vbtmp.h"
285 static void init_setup_tab( void )
324 static void i810PrintSetupFlags(const char *msg
, GLuint flags
)
326 fprintf(stderr
, "%s(%x): %s%s%s%s%s%s\n",
329 (flags
& I810_XYZW_BIT
) ? " xyzw," : "",
330 (flags
& I810_RGBA_BIT
) ? " rgba," : "",
331 (flags
& I810_SPEC_BIT
) ? " spec," : "",
332 (flags
& I810_FOG_BIT
) ? " fog," : "",
333 (flags
& I810_TEX0_BIT
) ? " tex-0," : "",
334 (flags
& I810_TEX1_BIT
) ? " tex-1," : "");
339 void i810CheckTexSizes( GLcontext
*ctx
)
341 TNLcontext
*tnl
= TNL_CONTEXT(ctx
);
342 i810ContextPtr imesa
= I810_CONTEXT( ctx
);
344 if (!setup_tab
[imesa
->SetupIndex
].check_tex_sizes(ctx
)) {
345 /* Invalidate stored verts
347 imesa
->SetupNewInputs
= ~0;
348 imesa
->SetupIndex
|= I810_PTEX_BIT
;
350 if (!imesa
->Fallback
&&
351 !(ctx
->_TriangleCaps
& (DD_TRI_LIGHT_TWOSIDE
|DD_TRI_UNFILLED
))) {
352 tnl
->Driver
.Render
.Interp
= setup_tab
[imesa
->SetupIndex
].interp
;
353 tnl
->Driver
.Render
.CopyPV
= setup_tab
[imesa
->SetupIndex
].copy_pv
;
355 if (imesa
->Fallback
) {
356 tnl
->Driver
.Render
.Start(ctx
);
361 void i810BuildVertices( GLcontext
*ctx
,
366 i810ContextPtr imesa
= I810_CONTEXT( ctx
);
367 GLuint stride
= imesa
->vertex_size
* sizeof(int);
368 GLubyte
*v
= ((GLubyte
*)imesa
->verts
+ (start
* stride
));
370 if (0) fprintf(stderr
, "%s\n", __FUNCTION__
);
372 newinputs
|= imesa
->SetupNewInputs
;
373 imesa
->SetupNewInputs
= 0;
378 if (newinputs
& VERT_BIT_POS
) {
379 setup_tab
[imesa
->SetupIndex
].emit( ctx
, start
, count
, v
, stride
);
383 if (newinputs
& VERT_BIT_COLOR0
)
384 ind
|= I810_RGBA_BIT
;
386 if (newinputs
& VERT_BIT_COLOR1
)
387 ind
|= I810_SPEC_BIT
;
389 if (newinputs
& VERT_BIT_TEX0
)
390 ind
|= I810_TEX0_BIT
;
392 if (newinputs
& VERT_BIT_TEX1
)
393 ind
|= I810_TEX1_BIT
;
395 if (newinputs
& VERT_BIT_FOG
)
398 if (imesa
->SetupIndex
& I810_PTEX_BIT
)
401 ind
&= imesa
->SetupIndex
;
404 setup_tab
[ind
].emit( ctx
, start
, count
, v
, stride
);
409 void i810ChooseVertexState( GLcontext
*ctx
)
411 TNLcontext
*tnl
= TNL_CONTEXT(ctx
);
412 i810ContextPtr imesa
= I810_CONTEXT( ctx
);
413 GLuint ind
= I810_XYZW_BIT
|I810_RGBA_BIT
;
415 if (ctx
->_TriangleCaps
& DD_SEPARATE_SPECULAR
)
416 ind
|= I810_SPEC_BIT
;
418 if (ctx
->Fog
.Enabled
)
421 if (ctx
->Texture
._EnabledUnits
& 0x2)
423 ind
|= I810_TEX1_BIT
|I810_TEX0_BIT
;
424 else if (ctx
->Texture
._EnabledUnits
& 0x1)
426 ind
|= I810_TEX0_BIT
;
428 imesa
->SetupIndex
= ind
;
430 if (I810_DEBUG
& (DEBUG_VERTS
|DEBUG_STATE
))
431 i810PrintSetupFlags( __FUNCTION__
, ind
);
433 if (ctx
->_TriangleCaps
& (DD_TRI_LIGHT_TWOSIDE
|DD_TRI_UNFILLED
)) {
434 tnl
->Driver
.Render
.Interp
= i810_interp_extras
;
435 tnl
->Driver
.Render
.CopyPV
= i810_copy_pv_extras
;
437 tnl
->Driver
.Render
.Interp
= setup_tab
[ind
].interp
;
438 tnl
->Driver
.Render
.CopyPV
= setup_tab
[ind
].copy_pv
;
441 if (setup_tab
[ind
].vertex_format
!= imesa
->Setup
[I810_CTXREG_VF
]) {
442 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
443 imesa
->Setup
[I810_CTXREG_VF
] = setup_tab
[ind
].vertex_format
;
444 imesa
->vertex_size
= setup_tab
[ind
].vertex_size
;
450 void *i810_emit_contiguous_verts( GLcontext
*ctx
,
455 i810ContextPtr imesa
= I810_CONTEXT(ctx
);
456 GLuint stride
= imesa
->vertex_size
* 4;
457 setup_tab
[imesa
->SetupIndex
].emit( ctx
, start
, count
, dest
, stride
);
458 return (void *)((char *)dest
+ stride
* (count
- start
));
463 void i810InitVB( GLcontext
*ctx
)
465 i810ContextPtr imesa
= I810_CONTEXT(ctx
);
466 GLuint size
= TNL_CONTEXT(ctx
)->vb
.Size
;
468 imesa
->verts
= (GLubyte
*)ALIGN_MALLOC(size
* 4 * 16, 32);
471 static int firsttime
= 1;
480 void i810FreeVB( GLcontext
*ctx
)
482 i810ContextPtr imesa
= I810_CONTEXT(ctx
);
484 ALIGN_FREE(imesa
->verts
);