2 * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
3 * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
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, sub license,
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 (including the
13 * next paragraph) shall be included in all copies or substantial portions
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
19 * VIA, S3 GRAPHICS, AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
36 #include "savagecontext.h"
38 #include "savagestate.h"
39 #include "savagetex.h"
40 #include "savagetris.h"
41 #include "savageioctl.h"
42 #include "savage_bci.h"
44 #include "swrast/swrast.h"
45 #include "array_cache/acache.h"
47 #include "swrast_setup/swrast_setup.h"
51 /* Savage4, ProSavage[DDR], SuperSavage watermarks */
64 /* Savage3D/MX/IX watermarks */
77 static void savageBlendFunc_s4(GLcontext
*);
78 static void savageBlendFunc_s3d(GLcontext
*);
80 static __inline__ GLuint
savagePackColor(GLuint format
,
86 return SAVAGEPACKCOLOR8888(r
,g
,b
,a
);
88 return SAVAGEPACKCOLOR565(r
,g
,b
);
96 static void savageDDAlphaFunc_s4(GLcontext
*ctx
, GLenum func
, GLfloat ref
)
98 savageBlendFunc_s4(ctx
);
100 static void savageDDAlphaFunc_s3d(GLcontext
*ctx
, GLenum func
, GLfloat ref
)
102 savageBlendFunc_s3d(ctx
);
105 static void savageDDBlendEquationSeparate(GLcontext
*ctx
,
106 GLenum modeRGB
, GLenum modeA
)
108 assert( modeRGB
== modeA
);
110 /* BlendEquation sets ColorLogicOpEnabled in an unexpected
113 FALLBACK( ctx
, SAVAGE_FALLBACK_LOGICOP
,
114 (ctx
->Color
.ColorLogicOpEnabled
&&
115 ctx
->Color
.LogicOp
!= GL_COPY
));
117 /* Can only do blend addition, not min, max, subtract, etc. */
118 FALLBACK( ctx
, SAVAGE_FALLBACK_BLEND_EQ
,
119 modeRGB
!= GL_FUNC_ADD
);
123 static void savageBlendFunc_s4(GLcontext
*ctx
)
125 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
126 u_int32_t drawLocalCtrl
= imesa
->regs
.s4
.drawLocalCtrl
.ui
;
127 u_int32_t drawCtrl0
= imesa
->regs
.s4
.drawCtrl0
.ui
;
128 u_int32_t drawCtrl1
= imesa
->regs
.s4
.drawCtrl1
.ui
;
130 /* set up draw control register (including blending, alpha
131 * test, and shading model)
134 imesa
->regs
.s4
.drawLocalCtrl
.ni
.flushPdDestWrites
= GL_FALSE
;
139 if(ctx
->Color
.BlendEnabled
){
140 switch (ctx
->Color
.BlendDstRGB
)
143 imesa
->regs
.s4
.drawLocalCtrl
.ni
.dstAlphaMode
= DAM_Zero
;
147 imesa
->regs
.s4
.drawLocalCtrl
.ni
.dstAlphaMode
= DAM_One
;
148 imesa
->regs
.s4
.drawLocalCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
152 imesa
->regs
.s4
.drawLocalCtrl
.ni
.dstAlphaMode
= DAM_SrcClr
;
153 imesa
->regs
.s4
.drawLocalCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
156 case GL_ONE_MINUS_SRC_COLOR
:
157 imesa
->regs
.s4
.drawLocalCtrl
.ni
.dstAlphaMode
= DAM_1SrcClr
;
158 imesa
->regs
.s4
.drawLocalCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
162 imesa
->regs
.s4
.drawLocalCtrl
.ni
.dstAlphaMode
= DAM_SrcAlpha
;
163 imesa
->regs
.s4
.drawLocalCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
166 case GL_ONE_MINUS_SRC_ALPHA
:
167 imesa
->regs
.s4
.drawLocalCtrl
.ni
.dstAlphaMode
= DAM_1SrcAlpha
;
168 imesa
->regs
.s4
.drawLocalCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
172 if (imesa
->glCtx
->Visual
.alphaBits
== 0)
174 imesa
->regs
.s4
.drawLocalCtrl
.ni
.dstAlphaMode
= DAM_One
;
178 imesa
->regs
.s4
.drawLocalCtrl
.ni
.dstAlphaMode
= DAM_DstAlpha
;
180 imesa
->regs
.s4
.drawLocalCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
183 case GL_ONE_MINUS_DST_ALPHA
:
184 if (imesa
->glCtx
->Visual
.alphaBits
== 0)
186 imesa
->regs
.s4
.drawLocalCtrl
.ni
.dstAlphaMode
= DAM_Zero
;
190 imesa
->regs
.s4
.drawLocalCtrl
.ni
.dstAlphaMode
=DAM_1DstAlpha
;
191 imesa
->regs
.s4
.drawLocalCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
196 switch (ctx
->Color
.BlendSrcRGB
)
199 imesa
->regs
.s4
.drawLocalCtrl
.ni
.srcAlphaMode
= SAM_Zero
;
203 imesa
->regs
.s4
.drawLocalCtrl
.ni
.srcAlphaMode
= SAM_One
;
207 imesa
->regs
.s4
.drawLocalCtrl
.ni
.srcAlphaMode
= SAM_DstClr
;
208 imesa
->regs
.s4
.drawLocalCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
211 case GL_ONE_MINUS_DST_COLOR
:
212 imesa
->regs
.s4
.drawLocalCtrl
.ni
.srcAlphaMode
= SAM_1DstClr
;
213 imesa
->regs
.s4
.drawLocalCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
217 imesa
->regs
.s4
.drawLocalCtrl
.ni
.srcAlphaMode
= SAM_SrcAlpha
;
220 case GL_ONE_MINUS_SRC_ALPHA
:
221 imesa
->regs
.s4
.drawLocalCtrl
.ni
.srcAlphaMode
= SAM_1SrcAlpha
;
225 if (imesa
->glCtx
->Visual
.alphaBits
== 0)
227 imesa
->regs
.s4
.drawLocalCtrl
.ni
.srcAlphaMode
= SAM_One
;
231 imesa
->regs
.s4
.drawLocalCtrl
.ni
.srcAlphaMode
= SAM_DstAlpha
;
232 imesa
->regs
.s4
.drawLocalCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
236 case GL_ONE_MINUS_DST_ALPHA
:
237 if (imesa
->glCtx
->Visual
.alphaBits
== 0)
239 imesa
->regs
.s4
.drawLocalCtrl
.ni
.srcAlphaMode
= SAM_Zero
;
243 imesa
->regs
.s4
.drawLocalCtrl
.ni
.srcAlphaMode
=SAM_1DstAlpha
;
244 imesa
->regs
.s4
.drawLocalCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
251 imesa
->regs
.s4
.drawLocalCtrl
.ni
.dstAlphaMode
= DAM_Zero
;
252 imesa
->regs
.s4
.drawLocalCtrl
.ni
.srcAlphaMode
= SAM_One
;
257 if(ctx
->Color
.AlphaEnabled
)
262 CLAMPED_FLOAT_TO_UBYTE(alphaRef
,ctx
->Color
.AlphaRef
);
264 switch(ctx
->Color
.AlphaFunc
) {
265 case GL_NEVER
: a
= CF_Never
; break;
266 case GL_ALWAYS
: a
= CF_Always
; break;
267 case GL_LESS
: a
= CF_Less
; break;
268 case GL_LEQUAL
: a
= CF_LessEqual
; break;
269 case GL_EQUAL
: a
= CF_Equal
; break;
270 case GL_GREATER
: a
= CF_Greater
; break;
271 case GL_GEQUAL
: a
= CF_GreaterEqual
; break;
272 case GL_NOTEQUAL
: a
= CF_NotEqual
; break;
276 imesa
->regs
.s4
.drawCtrl1
.ni
.alphaTestEn
= GL_TRUE
;
277 imesa
->regs
.s4
.drawCtrl1
.ni
.alphaTestCmpFunc
= a
;
278 imesa
->regs
.s4
.drawCtrl0
.ni
.alphaRefVal
= alphaRef
;
282 imesa
->regs
.s4
.drawCtrl1
.ni
.alphaTestEn
= GL_FALSE
;
285 /* Set/Reset Z-after-alpha*/
287 imesa
->regs
.s4
.drawLocalCtrl
.ni
.wrZafterAlphaTst
=
288 imesa
->regs
.s4
.drawCtrl1
.ni
.alphaTestEn
;
289 /*imesa->regs.s4.drawLocalCtrl.ni.zUpdateEn =
290 ~drawLocalCtrl.ni.wrZafterAlphaTst;*/
292 if (drawLocalCtrl
!= imesa
->regs
.s4
.drawLocalCtrl
.ui
)
293 imesa
->dirty
|= SAVAGE_UPLOAD_LOCAL
;
294 if (drawCtrl0
!= imesa
->regs
.s4
.drawCtrl0
.ui
||
295 drawCtrl1
!= imesa
->regs
.s4
.drawCtrl1
.ui
)
296 imesa
->dirty
|= SAVAGE_UPLOAD_GLOBAL
;
298 static void savageBlendFunc_s3d(GLcontext
*ctx
)
300 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
301 u_int32_t drawCtrl
= imesa
->regs
.s3d
.drawCtrl
.ui
;
302 u_int32_t zBufCtrl
= imesa
->regs
.s3d
.zBufCtrl
.ui
;
304 /* set up draw control register (including blending, alpha
305 * test, dithering, and shading model)
308 imesa
->regs
.s3d
.drawCtrl
.ni
.flushPdDestWrites
= 0;
313 if(ctx
->Color
.BlendEnabled
){
314 switch (ctx
->Color
.BlendDstRGB
)
317 imesa
->regs
.s3d
.drawCtrl
.ni
.dstAlphaMode
= DAM_Zero
;
321 imesa
->regs
.s3d
.drawCtrl
.ni
.dstAlphaMode
= DAM_One
;
322 imesa
->regs
.s3d
.drawCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
326 imesa
->regs
.s3d
.drawCtrl
.ni
.dstAlphaMode
= DAM_SrcClr
;
327 imesa
->regs
.s3d
.drawCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
330 case GL_ONE_MINUS_SRC_COLOR
:
331 imesa
->regs
.s3d
.drawCtrl
.ni
.dstAlphaMode
= DAM_1SrcClr
;
332 imesa
->regs
.s3d
.drawCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
336 imesa
->regs
.s3d
.drawCtrl
.ni
.dstAlphaMode
= DAM_SrcAlpha
;
337 imesa
->regs
.s3d
.drawCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
340 case GL_ONE_MINUS_SRC_ALPHA
:
341 imesa
->regs
.s3d
.drawCtrl
.ni
.dstAlphaMode
= DAM_1SrcAlpha
;
342 imesa
->regs
.s3d
.drawCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
346 if (imesa
->glCtx
->Visual
.alphaBits
== 0)
348 imesa
->regs
.s3d
.drawCtrl
.ni
.dstAlphaMode
= DAM_One
;
352 imesa
->regs
.s3d
.drawCtrl
.ni
.dstAlphaMode
= DAM_DstAlpha
;
354 imesa
->regs
.s3d
.drawCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
357 case GL_ONE_MINUS_DST_ALPHA
:
358 if (imesa
->glCtx
->Visual
.alphaBits
== 0)
360 imesa
->regs
.s3d
.drawCtrl
.ni
.dstAlphaMode
= DAM_Zero
;
364 imesa
->regs
.s3d
.drawCtrl
.ni
.dstAlphaMode
= DAM_1DstAlpha
;
365 imesa
->regs
.s3d
.drawCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
370 switch (ctx
->Color
.BlendSrcRGB
)
373 imesa
->regs
.s3d
.drawCtrl
.ni
.srcAlphaMode
= SAM_Zero
;
377 imesa
->regs
.s3d
.drawCtrl
.ni
.srcAlphaMode
= SAM_One
;
381 imesa
->regs
.s3d
.drawCtrl
.ni
.srcAlphaMode
= SAM_DstClr
;
382 imesa
->regs
.s3d
.drawCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
385 case GL_ONE_MINUS_DST_COLOR
:
386 imesa
->regs
.s3d
.drawCtrl
.ni
.srcAlphaMode
= SAM_1DstClr
;
387 imesa
->regs
.s3d
.drawCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
391 imesa
->regs
.s3d
.drawCtrl
.ni
.srcAlphaMode
= SAM_SrcAlpha
;
394 case GL_ONE_MINUS_SRC_ALPHA
:
395 imesa
->regs
.s3d
.drawCtrl
.ni
.srcAlphaMode
= SAM_1SrcAlpha
;
399 if (imesa
->glCtx
->Visual
.alphaBits
== 0)
401 imesa
->regs
.s3d
.drawCtrl
.ni
.srcAlphaMode
= SAM_One
;
405 imesa
->regs
.s3d
.drawCtrl
.ni
.srcAlphaMode
= SAM_DstAlpha
;
406 imesa
->regs
.s3d
.drawCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
410 case GL_ONE_MINUS_DST_ALPHA
:
411 if (imesa
->glCtx
->Visual
.alphaBits
== 0)
413 imesa
->regs
.s3d
.drawCtrl
.ni
.srcAlphaMode
= SAM_Zero
;
417 imesa
->regs
.s3d
.drawCtrl
.ni
.srcAlphaMode
= SAM_1DstAlpha
;
418 imesa
->regs
.s3d
.drawCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
425 imesa
->regs
.s3d
.drawCtrl
.ni
.dstAlphaMode
= DAM_Zero
;
426 imesa
->regs
.s3d
.drawCtrl
.ni
.srcAlphaMode
= SAM_One
;
431 if(ctx
->Color
.AlphaEnabled
)
436 CLAMPED_FLOAT_TO_UBYTE(alphaRef
,ctx
->Color
.AlphaRef
);
438 switch(ctx
->Color
.AlphaFunc
) {
439 case GL_NEVER
: a
= CF_Never
; break;
440 case GL_ALWAYS
: a
= CF_Always
; break;
441 case GL_LESS
: a
= CF_Less
; break;
442 case GL_LEQUAL
: a
= CF_LessEqual
; break;
443 case GL_EQUAL
: a
= CF_Equal
; break;
444 case GL_GREATER
: a
= CF_Greater
; break;
445 case GL_GEQUAL
: a
= CF_GreaterEqual
; break;
446 case GL_NOTEQUAL
: a
= CF_NotEqual
; break;
450 imesa
->regs
.s3d
.drawCtrl
.ni
.alphaTestEn
= GL_TRUE
;
451 imesa
->regs
.s3d
.drawCtrl
.ni
.alphaTestCmpFunc
= a
;
452 imesa
->regs
.s3d
.drawCtrl
.ni
.alphaRefVal
= alphaRef
;
456 imesa
->regs
.s3d
.drawCtrl
.ni
.alphaTestEn
= GL_FALSE
;
459 /* Set/Reset Z-after-alpha*/
461 imesa
->regs
.s3d
.zBufCtrl
.ni
.wrZafterAlphaTst
=
462 imesa
->regs
.s3d
.drawCtrl
.ni
.alphaTestEn
;
464 if (drawCtrl
!= imesa
->regs
.s3d
.drawCtrl
.ui
||
465 zBufCtrl
!= imesa
->regs
.s3d
.zBufCtrl
.ui
)
466 imesa
->dirty
|= SAVAGE_UPLOAD_LOCAL
;
469 static void savageDDBlendFuncSeparate_s4( GLcontext
*ctx
, GLenum sfactorRGB
,
470 GLenum dfactorRGB
, GLenum sfactorA
,
473 assert (dfactorRGB
== dfactorA
&& sfactorRGB
== sfactorA
);
474 savageBlendFunc_s4( ctx
);
476 static void savageDDBlendFuncSeparate_s3d( GLcontext
*ctx
, GLenum sfactorRGB
,
477 GLenum dfactorRGB
, GLenum sfactorA
,
480 assert (dfactorRGB
== dfactorA
&& sfactorRGB
== sfactorA
);
481 savageBlendFunc_s3d( ctx
);
486 static void savageDDDepthFunc_s4(GLcontext
*ctx
, GLenum func
)
488 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
490 u_int32_t drawLocalCtrl
= imesa
->regs
.s4
.drawLocalCtrl
.ui
;
491 u_int32_t zBufCtrl
= imesa
->regs
.s4
.zBufCtrl
.ui
;
492 u_int32_t zWatermarks
= imesa
->regs
.s4
.zWatermarks
.ui
; /* FIXME: in DRM */
494 /* set up z-buffer control register (global)
495 * set up z-buffer offset register (global)
496 * set up z read/write watermarks register (global)
499 switch(func
) { /* reversed (see savageCalcViewport) */
500 case GL_NEVER
: zmode
= CF_Never
; break;
501 case GL_ALWAYS
: zmode
= CF_Always
; break;
502 case GL_LESS
: zmode
= CF_Greater
; break;
503 case GL_LEQUAL
: zmode
= CF_GreaterEqual
; break;
504 case GL_EQUAL
: zmode
= CF_Equal
; break;
505 case GL_GREATER
: zmode
= CF_Less
; break;
506 case GL_GEQUAL
: zmode
= CF_LessEqual
; break;
507 case GL_NOTEQUAL
: zmode
= CF_NotEqual
; break;
513 imesa
->regs
.s4
.zBufCtrl
.ni
.zCmpFunc
= zmode
;
514 imesa
->regs
.s4
.drawLocalCtrl
.ni
.zUpdateEn
= ctx
->Depth
.Mask
;
515 imesa
->regs
.s4
.drawLocalCtrl
.ni
.flushPdZbufWrites
= GL_TRUE
;
516 imesa
->regs
.s4
.zBufCtrl
.ni
.zBufEn
= GL_TRUE
;
518 else if (imesa
->glCtx
->Stencil
.Enabled
&& imesa
->hw_stencil
)
520 /* Need to keep Z on for Stencil. */
521 imesa
->regs
.s4
.zBufCtrl
.ni
.zCmpFunc
= CF_Always
;
522 imesa
->regs
.s4
.zBufCtrl
.ni
.zBufEn
= GL_TRUE
;
523 imesa
->regs
.s4
.drawLocalCtrl
.ni
.zUpdateEn
= GL_FALSE
;
524 imesa
->regs
.s4
.drawLocalCtrl
.ni
.flushPdZbufWrites
= GL_FALSE
;
529 if (imesa
->regs
.s4
.drawLocalCtrl
.ni
.drawUpdateEn
== GL_FALSE
)
531 imesa
->regs
.s4
.zBufCtrl
.ni
.zCmpFunc
= CF_Always
;
532 imesa
->regs
.s4
.zBufCtrl
.ni
.zBufEn
= GL_TRUE
;
536 /* DRAWUPDATE_REQUIRES_Z_ENABLED*/
538 imesa
->regs
.s4
.zBufCtrl
.ni
.zBufEn
= GL_FALSE
;
540 imesa
->regs
.s4
.drawLocalCtrl
.ni
.zUpdateEn
= GL_FALSE
;
541 imesa
->regs
.s4
.drawLocalCtrl
.ni
.flushPdZbufWrites
= GL_FALSE
;
544 if (drawLocalCtrl
!= imesa
->regs
.s4
.drawLocalCtrl
.ui
)
545 imesa
->dirty
|= SAVAGE_UPLOAD_LOCAL
;
546 if (zBufCtrl
!= imesa
->regs
.s4
.zBufCtrl
.ui
||
547 zWatermarks
!= imesa
->regs
.s4
.zWatermarks
.ui
)
548 imesa
->dirty
|= SAVAGE_UPLOAD_GLOBAL
;
550 static void savageDDDepthFunc_s3d(GLcontext
*ctx
, GLenum func
)
552 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
554 u_int32_t drawCtrl
= imesa
->regs
.s3d
.drawCtrl
.ui
;
555 u_int32_t zBufCtrl
= imesa
->regs
.s3d
.zBufCtrl
.ui
;
556 u_int32_t zWatermarks
= imesa
->regs
.s3d
.zWatermarks
.ui
; /* FIXME: in DRM */
558 /* set up z-buffer control register (global)
559 * set up z-buffer offset register (global)
560 * set up z read/write watermarks register (global)
562 switch(func
) { /* reversed (see savageCalcViewport) */
563 case GL_NEVER
: zmode
= CF_Never
; break;
564 case GL_ALWAYS
: zmode
= CF_Always
; break;
565 case GL_LESS
: zmode
= CF_Greater
; break;
566 case GL_LEQUAL
: zmode
= CF_GreaterEqual
; break;
567 case GL_EQUAL
: zmode
= CF_Equal
; break;
568 case GL_GREATER
: zmode
= CF_Less
; break;
569 case GL_GEQUAL
: zmode
= CF_LessEqual
; break;
570 case GL_NOTEQUAL
: zmode
= CF_NotEqual
; break;
575 imesa
->regs
.s3d
.zBufCtrl
.ni
.zBufEn
= GL_TRUE
;
576 imesa
->regs
.s3d
.zBufCtrl
.ni
.zCmpFunc
= zmode
;
577 imesa
->regs
.s3d
.zBufCtrl
.ni
.zUpdateEn
= ctx
->Depth
.Mask
;
579 imesa
->regs
.s3d
.drawCtrl
.ni
.flushPdZbufWrites
= GL_TRUE
;
583 if (imesa
->regs
.s3d
.zBufCtrl
.ni
.drawUpdateEn
== GL_FALSE
) {
584 imesa
->regs
.s3d
.zBufCtrl
.ni
.zCmpFunc
= CF_Always
;
585 imesa
->regs
.s3d
.zBufCtrl
.ni
.zBufEn
= GL_TRUE
;
589 /* DRAWUPDATE_REQUIRES_Z_ENABLED*/
591 imesa
->regs
.s3d
.zBufCtrl
.ni
.zBufEn
= GL_FALSE
;
593 imesa
->regs
.s3d
.zBufCtrl
.ni
.zUpdateEn
= GL_FALSE
;
594 imesa
->regs
.s3d
.drawCtrl
.ni
.flushPdZbufWrites
= GL_FALSE
;
597 if (drawCtrl
!= imesa
->regs
.s3d
.drawCtrl
.ui
||
598 zBufCtrl
!= imesa
->regs
.s3d
.zBufCtrl
.ui
)
599 imesa
->dirty
|= SAVAGE_UPLOAD_LOCAL
;
600 if (zWatermarks
!= imesa
->regs
.s3d
.zWatermarks
.ui
)
601 imesa
->dirty
|= SAVAGE_UPLOAD_GLOBAL
;
604 static void savageDDDepthMask_s4(GLcontext
*ctx
, GLboolean flag
)
606 savageDDDepthFunc_s4(ctx
,ctx
->Depth
.Func
);
608 static void savageDDDepthMask_s3d(GLcontext
*ctx
, GLboolean flag
)
610 savageDDDepthFunc_s3d(ctx
,ctx
->Depth
.Func
);
616 /* =============================================================
621 static void savageDDScissor( GLcontext
*ctx
, GLint x
, GLint y
,
622 GLsizei w
, GLsizei h
)
624 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
626 /* Emit buffered commands with old scissor state. */
629 /* Mirror scissors in private context. */
630 imesa
->scissor
.enabled
= ctx
->Scissor
.Enabled
;
631 imesa
->scissor
.x
= x
;
632 imesa
->scissor
.y
= y
;
633 imesa
->scissor
.w
= w
;
634 imesa
->scissor
.h
= h
;
639 static void savageDDDrawBuffer(GLcontext
*ctx
, GLenum mode
)
641 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
642 u_int32_t destCtrl
= imesa
->regs
.s4
.destCtrl
.ui
;
645 * _DrawDestMask is easier to cope with than <mode>.
647 switch ( ctx
->DrawBuffer
->_ColorDrawBufferMask
[0] ) {
648 case BUFFER_BIT_FRONT_LEFT
:
649 imesa
->IsDouble
= GL_FALSE
;
650 imesa
->regs
.s4
.destCtrl
.ni
.offset
= imesa
->savageScreen
->frontOffset
>>11;
652 imesa
->NotFirstFrame
= GL_FALSE
;
653 savageXMesaSetFrontClipRects( imesa
);
654 FALLBACK( ctx
, SAVAGE_FALLBACK_DRAW_BUFFER
, GL_FALSE
);
656 case BUFFER_BIT_BACK_LEFT
:
657 imesa
->IsDouble
= GL_TRUE
;
658 imesa
->regs
.s4
.destCtrl
.ni
.offset
= imesa
->savageScreen
->backOffset
>>11;
659 imesa
->NotFirstFrame
= GL_FALSE
;
660 savageXMesaSetBackClipRects( imesa
);
661 FALLBACK( ctx
, SAVAGE_FALLBACK_DRAW_BUFFER
, GL_FALSE
);
664 FALLBACK( ctx
, SAVAGE_FALLBACK_DRAW_BUFFER
, GL_TRUE
);
668 if (destCtrl
!= imesa
->regs
.s4
.destCtrl
.ui
)
669 imesa
->dirty
|= SAVAGE_UPLOAD_GLOBAL
;
672 static void savageDDReadBuffer(GLcontext
*ctx
, GLenum mode
)
674 /* nothing, until we implement h/w glRead/CopyPixels or CopyTexImage */
678 static void savageDDSetColor(GLcontext
*ctx
,
679 GLubyte r
, GLubyte g
,
680 GLubyte b
, GLubyte a
)
682 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
683 imesa
->MonoColor
= savagePackColor( imesa
->savageScreen
->frontFormat
, r
, g
, b
, a
);
687 /* =============================================================
688 * Window position and viewport transformation
691 void savageCalcViewport( GLcontext
*ctx
)
693 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
694 const GLfloat
*v
= ctx
->Viewport
._WindowMap
.m
;
695 GLfloat
*m
= imesa
->hw_viewport
;
697 m
[MAT_SX
] = v
[MAT_SX
];
698 m
[MAT_TX
] = v
[MAT_TX
] + imesa
->drawX
+ SUBPIXEL_X
;
699 m
[MAT_SY
] = - v
[MAT_SY
];
700 m
[MAT_TY
] = - v
[MAT_TY
] + imesa
->driDrawable
->h
+ imesa
->drawY
+ SUBPIXEL_Y
;
701 /* Depth range is reversed (far: 0, near: 1) so that float depth
702 * compensates for loss of accuracy of far coordinates. */
703 if (imesa
->float_depth
&& imesa
->savageScreen
->zpp
== 2) {
704 /* The Savage 16-bit floating point depth format can't encode
705 * numbers < 2^-16. Make sure all depth values stay greater
707 m
[MAT_SZ
] = - v
[MAT_SZ
] * imesa
->depth_scale
* (65535.0/65536.0);
708 m
[MAT_TZ
] = 1.0 - v
[MAT_TZ
] * imesa
->depth_scale
* (65535.0/65536.0);
710 m
[MAT_SZ
] = - v
[MAT_SZ
] * imesa
->depth_scale
;
711 m
[MAT_TZ
] = 1.0 - v
[MAT_TZ
] * imesa
->depth_scale
;
714 imesa
->SetupNewInputs
= ~0;
717 static void savageViewport( GLcontext
*ctx
,
719 GLsizei width
, GLsizei height
)
721 /* update size of Mesa/software ancillary buffers */
722 _mesa_ResizeBuffersMESA();
723 savageCalcViewport( ctx
);
726 static void savageDepthRange( GLcontext
*ctx
,
727 GLclampd nearval
, GLclampd farval
)
729 savageCalcViewport( ctx
);
733 /* =============================================================
737 static void savageDDClearColor(GLcontext
*ctx
,
738 const GLfloat color
[4] )
740 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
742 CLAMPED_FLOAT_TO_UBYTE(c
[0], color
[0]);
743 CLAMPED_FLOAT_TO_UBYTE(c
[1], color
[1]);
744 CLAMPED_FLOAT_TO_UBYTE(c
[2], color
[2]);
745 CLAMPED_FLOAT_TO_UBYTE(c
[3], color
[3]);
747 imesa
->ClearColor
= savagePackColor( imesa
->savageScreen
->frontFormat
,
748 c
[0], c
[1], c
[2], c
[3] );
751 /* Fallback to swrast for select and feedback.
753 static void savageRenderMode( GLcontext
*ctx
, GLenum mode
)
755 FALLBACK( ctx
, SAVAGE_FALLBACK_RENDERMODE
, (mode
!= GL_RENDER
) );
761 /* =============================================================
762 * Culling - the savage isn't quite as clean here as the rest of
763 * its interfaces, but it's not bad.
765 static void savageDDCullFaceFrontFace(GLcontext
*ctx
, GLenum unused
)
767 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
768 GLuint cullMode
=imesa
->LcsCullMode
;
769 switch (ctx
->Polygon
.CullFaceMode
)
772 switch (ctx
->Polygon
.FrontFace
)
784 switch (ctx
->Polygon
.FrontFace
)
795 imesa
->LcsCullMode
= cullMode
;
796 imesa
->new_state
|= SAVAGE_NEW_CULL
;
798 #endif /* end #if HW_CULL */
800 static void savageUpdateCull( GLcontext
*ctx
)
803 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
805 if (ctx
->Polygon
.CullFlag
&&
806 imesa
->raster_primitive
>= GL_TRIANGLES
&&
807 ctx
->Polygon
.CullFaceMode
!= GL_FRONT_AND_BACK
)
808 cullMode
= imesa
->LcsCullMode
;
811 if (imesa
->savageScreen
->chipset
>= S3_SAVAGE4
) {
812 if (imesa
->regs
.s4
.drawCtrl1
.ni
.cullMode
!= cullMode
) {
813 imesa
->regs
.s4
.drawCtrl1
.ni
.cullMode
= cullMode
;
814 imesa
->dirty
|= SAVAGE_UPLOAD_GLOBAL
;
817 if (imesa
->regs
.s3d
.drawCtrl
.ni
.cullMode
!= cullMode
) {
818 imesa
->regs
.s3d
.drawCtrl
.ni
.cullMode
= cullMode
;
819 imesa
->dirty
|= SAVAGE_UPLOAD_LOCAL
;
822 #endif /* end #if HW_CULL */
827 /* =============================================================
831 /* Savage4 can disable draw updates when all channels are
832 * masked. Savage3D has a bit called drawUpdateEn, but it doesn't seem
833 * to have any effect. If only some channels are masked we need a
834 * software fallback on all chips.
836 static void savageDDColorMask_s4(GLcontext
*ctx
,
837 GLboolean r
, GLboolean g
,
838 GLboolean b
, GLboolean a
)
840 savageContextPtr imesa
= SAVAGE_CONTEXT( ctx
);
841 GLboolean passAny
, passAll
;
843 if (ctx
->Visual
.alphaBits
) {
844 passAny
= b
|| g
|| r
|| a
;
845 passAll
= r
&& g
&& b
&& a
;
847 passAny
= b
|| g
|| r
;
848 passAll
= r
&& g
&& b
;
852 if (!imesa
->regs
.s4
.drawLocalCtrl
.ni
.drawUpdateEn
) {
853 imesa
->regs
.s4
.drawLocalCtrl
.ni
.drawUpdateEn
= GL_TRUE
;
854 imesa
->dirty
|= SAVAGE_UPLOAD_LOCAL
;
856 FALLBACK (ctx
, SAVAGE_FALLBACK_COLORMASK
, !passAll
);
857 } else if (imesa
->regs
.s4
.drawLocalCtrl
.ni
.drawUpdateEn
) {
858 imesa
->regs
.s4
.drawLocalCtrl
.ni
.drawUpdateEn
= GL_FALSE
;
859 imesa
->dirty
|= SAVAGE_UPLOAD_LOCAL
;
862 static void savageDDColorMask_s3d(GLcontext
*ctx
,
863 GLboolean r
, GLboolean g
,
864 GLboolean b
, GLboolean a
)
866 if (ctx
->Visual
.alphaBits
)
867 FALLBACK (ctx
, SAVAGE_FALLBACK_COLORMASK
, !(r
&& g
&& b
&& a
));
869 FALLBACK (ctx
, SAVAGE_FALLBACK_COLORMASK
, !(r
&& g
&& b
));
872 /* Seperate specular not fully implemented in hardware... Needs
873 * some interaction with material state? Just punt to software
875 * FK: Don't fall back for now. Let's see the failure cases and
876 * fix them the right way. I don't see how this could be a
877 * hardware limitation.
879 static void savageUpdateSpecular_s4(GLcontext
*ctx
) {
880 savageContextPtr imesa
= SAVAGE_CONTEXT( ctx
);
881 u_int32_t drawLocalCtrl
= imesa
->regs
.s4
.drawLocalCtrl
.ui
;
883 if (ctx
->Light
.Model
.ColorControl
== GL_SEPARATE_SPECULAR_COLOR
&&
884 ctx
->Light
.Enabled
) {
885 imesa
->regs
.s4
.drawLocalCtrl
.ni
.specShadeEn
= GL_TRUE
;
886 /*FALLBACK (ctx, SAVAGE_FALLBACK_SPECULAR, GL_TRUE);*/
888 imesa
->regs
.s4
.drawLocalCtrl
.ni
.specShadeEn
= GL_FALSE
;
889 /*FALLBACK (ctx, SAVAGE_FALLBACK_SPECULAR, GL_FALSE);*/
892 if (drawLocalCtrl
!= imesa
->regs
.s4
.drawLocalCtrl
.ui
)
893 imesa
->dirty
|= SAVAGE_UPLOAD_LOCAL
;
895 static void savageUpdateSpecular_s3d(GLcontext
*ctx
) {
896 savageContextPtr imesa
= SAVAGE_CONTEXT( ctx
);
897 u_int32_t drawCtrl
= imesa
->regs
.s3d
.drawCtrl
.ui
;
899 if (ctx
->Light
.Model
.ColorControl
== GL_SEPARATE_SPECULAR_COLOR
&&
900 ctx
->Light
.Enabled
) {
901 imesa
->regs
.s3d
.drawCtrl
.ni
.specShadeEn
= GL_TRUE
;
902 /*FALLBACK (ctx, SAVAGE_FALLBACK_SPECULAR, GL_TRUE);*/
904 imesa
->regs
.s3d
.drawCtrl
.ni
.specShadeEn
= GL_FALSE
;
905 /*FALLBACK (ctx, SAVAGE_FALLBACK_SPECULAR, GL_FALSE);*/
908 if (drawCtrl
!= imesa
->regs
.s3d
.drawCtrl
.ui
)
909 imesa
->dirty
|= SAVAGE_UPLOAD_LOCAL
;
912 static void savageDDLightModelfv_s4(GLcontext
*ctx
, GLenum pname
,
913 const GLfloat
*param
)
915 savageUpdateSpecular_s4 (ctx
);
917 static void savageDDLightModelfv_s3d(GLcontext
*ctx
, GLenum pname
,
918 const GLfloat
*param
)
920 savageUpdateSpecular_s3d (ctx
);
923 static void savageDDShadeModel_s4(GLcontext
*ctx
, GLuint mod
)
925 savageContextPtr imesa
= SAVAGE_CONTEXT( ctx
);
926 u_int32_t drawLocalCtrl
= imesa
->regs
.s4
.drawLocalCtrl
.ui
;
928 if (mod
== GL_SMOOTH
)
930 imesa
->regs
.s4
.drawLocalCtrl
.ni
.flatShadeEn
= GL_FALSE
;
934 imesa
->regs
.s4
.drawLocalCtrl
.ni
.flatShadeEn
= GL_TRUE
;
937 if (drawLocalCtrl
!= imesa
->regs
.s4
.drawLocalCtrl
.ui
)
938 imesa
->dirty
|= SAVAGE_UPLOAD_LOCAL
;
940 static void savageDDShadeModel_s3d(GLcontext
*ctx
, GLuint mod
)
942 savageContextPtr imesa
= SAVAGE_CONTEXT( ctx
);
943 u_int32_t drawCtrl
= imesa
->regs
.s3d
.drawCtrl
.ui
;
945 if (mod
== GL_SMOOTH
)
947 imesa
->regs
.s3d
.drawCtrl
.ni
.flatShadeEn
= GL_FALSE
;
951 imesa
->regs
.s3d
.drawCtrl
.ni
.flatShadeEn
= GL_TRUE
;
954 if (drawCtrl
!= imesa
->regs
.s3d
.drawCtrl
.ui
)
955 imesa
->dirty
|= SAVAGE_UPLOAD_LOCAL
;
959 /* =============================================================
961 * The fogCtrl register has the same position and the same layout
962 * on savage3d and savage4. No need for two separate functions.
965 static void savageDDFogfv(GLcontext
*ctx
, GLenum pname
, const GLfloat
*param
)
967 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
969 u_int32_t fogCtrl
= imesa
->regs
.s4
.fogCtrl
.ui
;
971 /*if ((ctx->Fog.Enabled) &&(pname == GL_FOG_COLOR))*/
972 if (ctx
->Fog
.Enabled
)
974 fogClr
= (((GLubyte
)(ctx
->Fog
.Color
[0]*255.0F
) << 16) |
975 ((GLubyte
)(ctx
->Fog
.Color
[1]*255.0F
) << 8) |
976 ((GLubyte
)(ctx
->Fog
.Color
[2]*255.0F
) << 0));
977 imesa
->regs
.s4
.fogCtrl
.ni
.fogEn
= GL_TRUE
;
979 imesa
->regs
.s4
.fogCtrl
.ni
.fogMode
= GL_TRUE
;
980 imesa
->regs
.s4
.fogCtrl
.ni
.fogClr
= fogClr
;
986 imesa
->regs
.s4
.fogCtrl
.ni
.fogEn
= 0;
987 imesa
->regs
.s4
.fogCtrl
.ni
.fogMode
= 0;
990 if (fogCtrl
!= imesa
->regs
.s4
.fogCtrl
.ui
)
991 imesa
->dirty
|= SAVAGE_UPLOAD_GLOBAL
;
996 savageDDStencilFuncSeparate(GLcontext
*ctx
, GLenum face
, GLenum func
,
997 GLint ref
, GLuint mask
)
999 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
1001 const u_int32_t zBufCtrl
= imesa
->regs
.s4
.zBufCtrl
.ui
;
1002 const u_int32_t stencilCtrl
= imesa
->regs
.s4
.stencilCtrl
.ui
;
1004 imesa
->regs
.s4
.zBufCtrl
.ni
.stencilRefVal
= ctx
->Stencil
.Ref
[0];
1005 imesa
->regs
.s4
.stencilCtrl
.ni
.readMask
= ctx
->Stencil
.ValueMask
[0];
1007 switch (ctx
->Stencil
.Function
[0])
1009 case GL_NEVER
: a
= CF_Never
; break;
1010 case GL_ALWAYS
: a
= CF_Always
; break;
1011 case GL_LESS
: a
= CF_Less
; break;
1012 case GL_LEQUAL
: a
= CF_LessEqual
; break;
1013 case GL_EQUAL
: a
= CF_Equal
; break;
1014 case GL_GREATER
: a
= CF_Greater
; break;
1015 case GL_GEQUAL
: a
= CF_GreaterEqual
; break;
1016 case GL_NOTEQUAL
: a
= CF_NotEqual
; break;
1021 imesa
->regs
.s4
.stencilCtrl
.ni
.cmpFunc
= a
;
1023 if (zBufCtrl
!= imesa
->regs
.s4
.zBufCtrl
.ui
||
1024 stencilCtrl
!= imesa
->regs
.s4
.stencilCtrl
.ui
)
1025 imesa
->dirty
|= SAVAGE_UPLOAD_GLOBAL
;
1029 savageDDStencilMaskSeparate(GLcontext
*ctx
, GLenum face
, GLuint mask
)
1031 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
1033 if (imesa
->regs
.s4
.stencilCtrl
.ni
.writeMask
!= ctx
->Stencil
.WriteMask
[0]) {
1034 imesa
->regs
.s4
.stencilCtrl
.ni
.writeMask
= ctx
->Stencil
.WriteMask
[0];
1035 imesa
->dirty
|= SAVAGE_UPLOAD_GLOBAL
;
1039 static unsigned get_stencil_op_value( GLenum op
)
1043 case GL_KEEP
: return STENCIL_Keep
;
1044 case GL_ZERO
: return STENCIL_Zero
;
1045 case GL_REPLACE
: return STENCIL_Equal
;
1046 case GL_INCR
: return STENCIL_IncClamp
;
1047 case GL_DECR
: return STENCIL_DecClamp
;
1048 case GL_INVERT
: return STENCIL_Invert
;
1049 case GL_INCR_WRAP
: return STENCIL_Inc
;
1050 case GL_DECR_WRAP
: return STENCIL_Dec
;
1053 /* Should *never* get here. */
1054 return STENCIL_Keep
;
1058 savageDDStencilOpSeparate(GLcontext
*ctx
, GLenum face
, GLenum fail
,
1059 GLenum zfail
, GLenum zpass
)
1061 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
1062 const u_int32_t stencilCtrl
= imesa
->regs
.s4
.stencilCtrl
.ui
;
1064 imesa
->regs
.s4
.stencilCtrl
.ni
.failOp
= get_stencil_op_value( ctx
->Stencil
.FailFunc
[0] );
1065 imesa
->regs
.s4
.stencilCtrl
.ni
.passZfailOp
= get_stencil_op_value( ctx
->Stencil
.ZFailFunc
[0] );
1066 imesa
->regs
.s4
.stencilCtrl
.ni
.passZpassOp
= get_stencil_op_value( ctx
->Stencil
.ZPassFunc
[0] );
1068 if (stencilCtrl
!= imesa
->regs
.s4
.stencilCtrl
.ui
)
1069 imesa
->dirty
|= SAVAGE_UPLOAD_GLOBAL
;
1073 /* =============================================================
1076 static void savageDDEnable_s4(GLcontext
*ctx
, GLenum cap
, GLboolean state
)
1079 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
1082 /* we should consider the disable case*/
1083 savageBlendFunc_s4(ctx
);
1086 /*add the savageBlendFunc 2001/11/25
1087 * if call no such function, then glDisable(GL_BLEND) will do noting,
1088 *our chip has no disable bit
1090 savageBlendFunc_s4(ctx
);
1091 case GL_COLOR_LOGIC_OP
:
1093 * For some reason enable(GL_BLEND) affects ColorLogicOpEnabled.
1095 FALLBACK (ctx
, SAVAGE_FALLBACK_LOGICOP
,
1096 (ctx
->Color
.ColorLogicOpEnabled
&&
1097 ctx
->Color
.LogicOp
!= GL_COPY
));
1100 savageDDDepthFunc_s4(ctx
,ctx
->Depth
.Func
);
1102 case GL_SCISSOR_TEST
:
1103 savageDDScissor(ctx
, ctx
->Scissor
.X
, ctx
->Scissor
.Y
,
1104 ctx
->Scissor
.Width
, ctx
->Scissor
.Height
);
1106 case GL_STENCIL_TEST
:
1107 if (!imesa
->hw_stencil
)
1108 FALLBACK (ctx
, SAVAGE_FALLBACK_STENCIL
, state
);
1110 imesa
->regs
.s4
.stencilCtrl
.ni
.stencilEn
= state
;
1111 if (ctx
->Stencil
.Enabled
&&
1112 imesa
->regs
.s4
.zBufCtrl
.ni
.zBufEn
!= GL_TRUE
)
1114 /* Stencil buffer requires Z enabled. */
1115 imesa
->regs
.s4
.zBufCtrl
.ni
.zCmpFunc
= CF_Always
;
1116 imesa
->regs
.s4
.zBufCtrl
.ni
.zBufEn
= GL_TRUE
;
1117 imesa
->regs
.s4
.drawLocalCtrl
.ni
.zUpdateEn
= GL_FALSE
;
1119 imesa
->dirty
|= SAVAGE_UPLOAD_GLOBAL
| SAVAGE_UPLOAD_LOCAL
;
1123 savageDDFogfv(ctx
,0,0);
1129 savageDDCullFaceFrontFace(ctx
,0);
1133 imesa
->LcsCullMode
= BCM_None
;
1134 imesa
->new_state
|= SAVAGE_NEW_CULL
;
1141 if ( ctx
->Color
.DitherFlag
)
1143 imesa
->regs
.s4
.drawCtrl1
.ni
.ditherEn
=GL_TRUE
;
1146 if (!ctx
->Color
.DitherFlag
)
1148 imesa
->regs
.s4
.drawCtrl1
.ni
.ditherEn
=GL_FALSE
;
1150 imesa
->dirty
|= SAVAGE_UPLOAD_GLOBAL
;
1154 savageUpdateSpecular_s4 (ctx
);
1158 imesa
->new_state
|= SAVAGE_NEW_TEXTURE
;
1161 imesa
->new_state
|= SAVAGE_NEW_TEXTURE
;
1167 static void savageDDEnable_s3d(GLcontext
*ctx
, GLenum cap
, GLboolean state
)
1170 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
1173 /* we should consider the disable case*/
1174 savageBlendFunc_s3d(ctx
);
1177 /*add the savageBlendFunc 2001/11/25
1178 * if call no such function, then glDisable(GL_BLEND) will do noting,
1179 *our chip has no disable bit
1181 savageBlendFunc_s3d(ctx
);
1182 case GL_COLOR_LOGIC_OP
:
1184 * For some reason enable(GL_BLEND) affects ColorLogicOpEnabled.
1186 FALLBACK (ctx
, SAVAGE_FALLBACK_LOGICOP
,
1187 (ctx
->Color
.ColorLogicOpEnabled
&&
1188 ctx
->Color
.LogicOp
!= GL_COPY
));
1191 savageDDDepthFunc_s3d(ctx
,ctx
->Depth
.Func
);
1193 case GL_SCISSOR_TEST
:
1194 savageDDScissor(ctx
, ctx
->Scissor
.X
, ctx
->Scissor
.Y
,
1195 ctx
->Scissor
.Width
, ctx
->Scissor
.Height
);
1197 case GL_STENCIL_TEST
:
1198 FALLBACK (ctx
, SAVAGE_FALLBACK_STENCIL
, state
);
1201 savageDDFogfv(ctx
,0,0);
1207 savageDDCullFaceFrontFace(ctx
,0);
1211 imesa
->LcsCullMode
= BCM_None
;
1212 imesa
->new_state
|= SAVAGE_NEW_CULL
;
1219 if ( ctx
->Color
.DitherFlag
)
1221 imesa
->regs
.s3d
.drawCtrl
.ni
.ditherEn
=GL_TRUE
;
1224 if (!ctx
->Color
.DitherFlag
)
1226 imesa
->regs
.s3d
.drawCtrl
.ni
.ditherEn
=GL_FALSE
;
1228 imesa
->dirty
|= SAVAGE_UPLOAD_LOCAL
;
1232 savageUpdateSpecular_s3d (ctx
);
1236 imesa
->new_state
|= SAVAGE_NEW_TEXTURE
;
1239 imesa
->new_state
|= SAVAGE_NEW_TEXTURE
;
1246 void savageDDUpdateHwState( GLcontext
*ctx
)
1248 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
1250 if (imesa
->new_state
) {
1251 savageFlushVertices(imesa
);
1252 if (imesa
->new_state
& SAVAGE_NEW_TEXTURE
) {
1253 savageUpdateTextureState( ctx
);
1255 if ((imesa
->new_state
& SAVAGE_NEW_CULL
)) {
1256 savageUpdateCull(ctx
);
1258 imesa
->new_state
= 0;
1263 static void savageDDPrintDirty( const char *msg
, GLuint state
)
1265 fprintf(stderr
, "%s (0x%x): %s%s%s%s%s%s\n",
1267 (unsigned int) state
,
1268 (state
& SAVAGE_UPLOAD_LOCAL
) ? "upload-local, " : "",
1269 (state
& SAVAGE_UPLOAD_TEX0
) ? "upload-tex0, " : "",
1270 (state
& SAVAGE_UPLOAD_TEX1
) ? "upload-tex1, " : "",
1271 (state
& SAVAGE_UPLOAD_FOGTBL
) ? "upload-fogtbl, " : "",
1272 (state
& SAVAGE_UPLOAD_GLOBAL
) ? "upload-global, " : "",
1273 (state
& SAVAGE_UPLOAD_TEXGLOBAL
) ? "upload-texglobal, " : ""
1279 * Check if global registers were changed
1281 static GLboolean
savageGlobalRegChanged (savageContextPtr imesa
,
1282 GLuint first
, GLuint last
) {
1284 for (i
= first
- SAVAGE_FIRST_REG
; i
<= last
- SAVAGE_FIRST_REG
; ++i
) {
1285 if (((imesa
->oldRegs
.ui
[i
] ^ imesa
->regs
.ui
[i
]) &
1286 imesa
->globalRegMask
.ui
[i
]) != 0)
1291 static void savageEmitOldRegs (savageContextPtr imesa
,
1292 GLuint first
, GLuint last
, GLboolean global
) {
1293 GLuint n
= last
-first
+1;
1294 drm_savage_cmd_header_t
*cmd
= savageAllocCmdBuf(imesa
, n
*4);
1295 cmd
->state
.cmd
= SAVAGE_CMD_STATE
;
1296 cmd
->state
.global
= global
;
1297 cmd
->state
.count
= n
;
1298 cmd
->state
.start
= first
;
1299 memcpy(cmd
+1, &imesa
->oldRegs
.ui
[first
-SAVAGE_FIRST_REG
], n
*4);
1301 static void savageEmitContiguousRegs (savageContextPtr imesa
,
1302 GLuint first
, GLuint last
) {
1304 GLuint n
= last
-first
+1;
1305 drm_savage_cmd_header_t
*cmd
= savageAllocCmdBuf(imesa
, n
*4);
1306 cmd
->state
.cmd
= SAVAGE_CMD_STATE
;
1307 cmd
->state
.global
= savageGlobalRegChanged(imesa
, first
, last
);
1308 cmd
->state
.count
= n
;
1309 cmd
->state
.start
= first
;
1310 memcpy(cmd
+1, &imesa
->regs
.ui
[first
-SAVAGE_FIRST_REG
], n
*4);
1311 /* savageAllocCmdBuf may need to flush the cmd buffer and backup
1312 * the current hardware state. It should see the "old" (current)
1313 * state that has actually been emitted to the hardware. Therefore
1314 * this update is done *after* savageAllocCmdBuf. */
1315 for (i
= first
- SAVAGE_FIRST_REG
; i
<= last
- SAVAGE_FIRST_REG
; ++i
)
1316 imesa
->oldRegs
.ui
[i
] = imesa
->regs
.ui
[i
];
1317 if (SAVAGE_DEBUG
& DEBUG_STATE
)
1318 fprintf (stderr
, "Emitting regs 0x%02x-0x%02x\n", first
, last
);
1320 static void savageEmitChangedRegs (savageContextPtr imesa
,
1321 GLuint first
, GLuint last
) {
1322 GLuint i
, firstChanged
;
1323 firstChanged
= SAVAGE_NR_REGS
;
1324 for (i
= first
- SAVAGE_FIRST_REG
; i
<= last
- SAVAGE_FIRST_REG
; ++i
) {
1325 if (imesa
->oldRegs
.ui
[i
] != imesa
->regs
.ui
[i
]) {
1326 if (firstChanged
== SAVAGE_NR_REGS
)
1329 if (firstChanged
!= SAVAGE_NR_REGS
) {
1330 savageEmitContiguousRegs (imesa
, firstChanged
+SAVAGE_FIRST_REG
,
1331 i
-1+SAVAGE_FIRST_REG
);
1332 firstChanged
= SAVAGE_NR_REGS
;
1336 if (firstChanged
!= SAVAGE_NR_REGS
)
1337 savageEmitContiguousRegs (imesa
, firstChanged
+SAVAGE_FIRST_REG
,
1340 static void savageEmitChangedRegChunk (savageContextPtr imesa
,
1341 GLuint first
, GLuint last
) {
1343 for (i
= first
- SAVAGE_FIRST_REG
; i
<= last
- SAVAGE_FIRST_REG
; ++i
) {
1344 if (imesa
->oldRegs
.ui
[i
] != imesa
->regs
.ui
[i
]) {
1345 savageEmitContiguousRegs (imesa
, first
, last
);
1350 static void savageUpdateRegister_s4(savageContextPtr imesa
)
1352 /* In case the texture image was changed without changing the
1353 * texture address as well, we need to force emitting the texture
1354 * address in order to flush texture cashes. */
1355 if ((imesa
->dirty
& SAVAGE_UPLOAD_TEX0
) &&
1356 imesa
->oldRegs
.s4
.texAddr
[0].ui
== imesa
->regs
.s4
.texAddr
[0].ui
)
1357 imesa
->oldRegs
.s4
.texAddr
[0].ui
= 0xffffffff;
1358 if ((imesa
->dirty
& SAVAGE_UPLOAD_TEX1
) &&
1359 imesa
->oldRegs
.s4
.texAddr
[1].ui
== imesa
->regs
.s4
.texAddr
[1].ui
)
1360 imesa
->oldRegs
.s4
.texAddr
[1].ui
= 0xffffffff;
1362 /* Fix up watermarks */
1363 if (imesa
->regs
.s4
.drawLocalCtrl
.ni
.flushPdDestWrites
) {
1364 imesa
->regs
.s4
.destTexWatermarks
.ni
.destWriteLow
= 0;
1365 imesa
->regs
.s4
.destTexWatermarks
.ni
.destFlush
= 1;
1367 imesa
->regs
.s4
.destTexWatermarks
.ni
.destWriteLow
= S4_DWLO
;
1368 if (imesa
->regs
.s4
.drawLocalCtrl
.ni
.flushPdZbufWrites
)
1369 imesa
->regs
.s4
.zWatermarks
.ni
.wLow
= 0;
1371 imesa
->regs
.s4
.zWatermarks
.ni
.wLow
= S4_ZWLO
;
1373 savageEmitChangedRegs (imesa
, 0x1e, 0x39);
1377 static void savageUpdateRegister_s3d(savageContextPtr imesa
)
1379 /* In case the texture image was changed without changing the
1380 * texture address as well, we need to force emitting the texture
1381 * address in order to flush texture cashes. */
1382 if ((imesa
->dirty
& SAVAGE_UPLOAD_TEX0
) &&
1383 imesa
->oldRegs
.s3d
.texAddr
.ui
== imesa
->regs
.s3d
.texAddr
.ui
)
1384 imesa
->oldRegs
.s3d
.texAddr
.ui
= 0xffffffff;
1386 /* Fix up watermarks */
1387 if (imesa
->regs
.s3d
.drawCtrl
.ni
.flushPdDestWrites
) {
1388 imesa
->regs
.s3d
.destTexWatermarks
.ni
.destWriteLow
= 0;
1389 imesa
->regs
.s3d
.destTexWatermarks
.ni
.destFlush
= 1;
1391 imesa
->regs
.s3d
.destTexWatermarks
.ni
.destWriteLow
= S3D_DWLO
;
1392 if (imesa
->regs
.s3d
.drawCtrl
.ni
.flushPdZbufWrites
)
1393 imesa
->regs
.s3d
.zWatermarks
.ni
.wLow
= 0;
1395 imesa
->regs
.s3d
.zWatermarks
.ni
.wLow
= S3D_ZWLO
;
1398 /* the savage3d uses two contiguous ranges of BCI registers:
1399 * 0x18-0x1c and 0x20-0x38. Some texture registers need to be
1400 * emitted in one chunk or we get some funky rendering errors. */
1401 savageEmitChangedRegs (imesa
, 0x18, 0x19);
1402 savageEmitChangedRegChunk (imesa
, 0x1a, 0x1c);
1403 savageEmitChangedRegs (imesa
, 0x20, 0x38);
1409 void savageEmitOldState( savageContextPtr imesa
)
1411 assert(imesa
->cmdBuf
.write
== imesa
->cmdBuf
.base
);
1412 if (imesa
->savageScreen
->chipset
>= S3_SAVAGE4
) {
1413 savageEmitOldRegs (imesa
, 0x1e, 0x39, GL_TRUE
);
1415 savageEmitOldRegs (imesa
, 0x18, 0x1c, GL_TRUE
);
1416 savageEmitOldRegs (imesa
, 0x20, 0x38, GL_FALSE
);
1421 /* Push the state into the sarea and/or texture memory.
1423 void savageEmitChangedState( savageContextPtr imesa
)
1425 if (SAVAGE_DEBUG
& DEBUG_VERBOSE_API
)
1426 savageDDPrintDirty( "\n\n\nsavageEmitHwStateLocked", imesa
->dirty
);
1430 if (SAVAGE_DEBUG
& DEBUG_VERBOSE_MSG
)
1431 fprintf (stderr
, "... emitting state\n");
1432 if (imesa
->savageScreen
->chipset
>= S3_SAVAGE4
)
1433 savageUpdateRegister_s4(imesa
);
1435 savageUpdateRegister_s3d(imesa
);
1442 static void savageDDInitState_s4( savageContextPtr imesa
)
1445 imesa
->regs
.s4
.destCtrl
.ui
= 1<<7;
1448 imesa
->regs
.s4
.zBufCtrl
.ni
.zCmpFunc
= CF_Less
;
1449 imesa
->regs
.s4
.zBufCtrl
.ni
.wToZEn
= GL_TRUE
;
1450 if (imesa
->float_depth
) {
1451 imesa
->regs
.s4
.zBufCtrl
.ni
.zExpOffset
=
1452 imesa
->savageScreen
->zpp
== 2 ? 16 : 32;
1453 imesa
->regs
.s4
.zBufCtrl
.ni
.floatZEn
= GL_TRUE
;
1455 imesa
->regs
.s4
.zBufCtrl
.ni
.zExpOffset
= 0;
1456 imesa
->regs
.s4
.zBufCtrl
.ni
.floatZEn
= GL_FALSE
;
1458 imesa
->regs
.s4
.texBlendCtrl
[0].ui
= TBC_NoTexMap
;
1459 imesa
->regs
.s4
.texBlendCtrl
[1].ui
= TBC_NoTexMap1
;
1460 imesa
->regs
.s4
.drawCtrl0
.ui
= 0;
1462 imesa
->regs
.s4
.drawCtrl1
.ni
.xyOffsetEn
= 1;
1465 /* Set DestTexWatermarks_31,30 to 01 always.
1466 *Has no effect if dest. flush is disabled.
1469 imesa
->regs
.s4
.zWatermarks
.ui
= 0x12000C04;
1470 imesa
->regs
.s4
.destTexWatermarks
.ui
= 0x40200400;
1472 /*imesa->regs.s4.zWatermarks.ui = 0x16001808;*/
1473 imesa
->regs
.s4
.zWatermarks
.ni
.rLow
= S4_ZRLO
;
1474 imesa
->regs
.s4
.zWatermarks
.ni
.rHigh
= S4_ZRHI
;
1475 imesa
->regs
.s4
.zWatermarks
.ni
.wLow
= S4_ZWLO
;
1476 imesa
->regs
.s4
.zWatermarks
.ni
.wHigh
= S4_ZWHI
;
1477 /*imesa->regs.s4.destTexWatermarks.ui = 0x4f000000;*/
1478 imesa
->regs
.s4
.destTexWatermarks
.ni
.destReadLow
= S4_DRLO
;
1479 imesa
->regs
.s4
.destTexWatermarks
.ni
.destReadHigh
= S4_DRHI
;
1480 imesa
->regs
.s4
.destTexWatermarks
.ni
.destWriteLow
= S4_DWLO
;
1481 imesa
->regs
.s4
.destTexWatermarks
.ni
.destWriteHigh
= S4_DWHI
;
1482 imesa
->regs
.s4
.destTexWatermarks
.ni
.texRead
= S4_TR
;
1483 imesa
->regs
.s4
.destTexWatermarks
.ni
.destFlush
= 1;
1485 imesa
->regs
.s4
.drawCtrl0
.ni
.dPerfAccelEn
= GL_TRUE
;
1487 /* clrCmpAlphaBlendCtrl is needed to get alphatest and
1488 * alpha blending working properly
1491 imesa
->regs
.s4
.texCtrl
[0].ni
.dBias
= 0x08;
1492 imesa
->regs
.s4
.texCtrl
[1].ni
.dBias
= 0x08;
1493 imesa
->regs
.s4
.texCtrl
[0].ni
.texXprEn
= GL_TRUE
;
1494 imesa
->regs
.s4
.texCtrl
[1].ni
.texXprEn
= GL_TRUE
;
1495 imesa
->regs
.s4
.texCtrl
[0].ni
.dMax
= 0x0f;
1496 imesa
->regs
.s4
.texCtrl
[1].ni
.dMax
= 0x0f;
1497 /* programm a valid tex address, in case texture state is emitted
1498 * in wrong order. */
1499 if (imesa
->lastTexHeap
== 2 && imesa
->savageScreen
->textureSize
[1]) {
1500 /* AGP textures available */
1501 imesa
->regs
.s4
.texAddr
[0].ui
= imesa
->savageScreen
->textureOffset
[1]|3;
1502 imesa
->regs
.s4
.texAddr
[1].ui
= imesa
->savageScreen
->textureOffset
[1]|3;
1504 /* no AGP textures available, use local */
1505 imesa
->regs
.s4
.texAddr
[0].ui
= imesa
->savageScreen
->textureOffset
[0]|2;
1506 imesa
->regs
.s4
.texAddr
[1].ui
= imesa
->savageScreen
->textureOffset
[0]|2;
1508 imesa
->regs
.s4
.drawLocalCtrl
.ni
.drawUpdateEn
= GL_TRUE
;
1509 imesa
->regs
.s4
.drawLocalCtrl
.ni
.srcAlphaMode
= SAM_One
;
1510 imesa
->regs
.s4
.drawLocalCtrl
.ni
.wrZafterAlphaTst
= GL_FALSE
;
1511 imesa
->regs
.s4
.drawLocalCtrl
.ni
.flushPdZbufWrites
= GL_TRUE
;
1512 imesa
->regs
.s4
.drawLocalCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
1514 imesa
->regs
.s4
.drawLocalCtrl
.ni
.zUpdateEn
= GL_TRUE
;
1515 imesa
->regs
.s4
.drawCtrl1
.ni
.ditherEn
= (
1516 driQueryOptioni(&imesa
->optionCache
, "color_reduction") ==
1517 DRI_CONF_COLOR_REDUCTION_DITHER
) ? GL_TRUE
: GL_FALSE
;
1518 imesa
->regs
.s4
.drawCtrl1
.ni
.cullMode
= BCM_None
;
1520 imesa
->regs
.s4
.zBufCtrl
.ni
.stencilRefVal
= 0x00;
1522 imesa
->regs
.s4
.stencilCtrl
.ni
.stencilEn
= GL_FALSE
;
1523 imesa
->regs
.s4
.stencilCtrl
.ni
.cmpFunc
= CF_Always
;
1524 imesa
->regs
.s4
.stencilCtrl
.ni
.failOp
= STENCIL_Keep
;
1525 imesa
->regs
.s4
.stencilCtrl
.ni
.passZfailOp
= STENCIL_Keep
;
1526 imesa
->regs
.s4
.stencilCtrl
.ni
.passZpassOp
= STENCIL_Keep
;
1527 imesa
->regs
.s4
.stencilCtrl
.ni
.writeMask
= 0xff;
1528 imesa
->regs
.s4
.stencilCtrl
.ni
.readMask
= 0xff;
1530 imesa
->LcsCullMode
=BCM_None
;
1531 imesa
->regs
.s4
.texDescr
.ni
.palSize
= TPS_256
;
1533 /* clear the local registers in the global reg mask */
1534 imesa
->globalRegMask
.s4
.drawLocalCtrl
.ui
= 0;
1535 imesa
->globalRegMask
.s4
.texPalAddr
.ui
= 0;
1536 imesa
->globalRegMask
.s4
.texCtrl
[0].ui
= 0;
1537 imesa
->globalRegMask
.s4
.texCtrl
[1].ui
= 0;
1538 imesa
->globalRegMask
.s4
.texAddr
[0].ui
= 0;
1539 imesa
->globalRegMask
.s4
.texAddr
[1].ui
= 0;
1540 imesa
->globalRegMask
.s4
.texBlendCtrl
[0].ui
= 0;
1541 imesa
->globalRegMask
.s4
.texBlendCtrl
[1].ui
= 0;
1542 imesa
->globalRegMask
.s4
.texXprClr
.ui
= 0;
1543 imesa
->globalRegMask
.s4
.texDescr
.ui
= 0;
1545 static void savageDDInitState_s3d( savageContextPtr imesa
)
1548 imesa
->regs
.s3d
.destCtrl
.ui
= 1<<7;
1551 imesa
->regs
.s3d
.zBufCtrl
.ni
.zCmpFunc
= CF_Less
;
1553 imesa
->regs
.s3d
.drawCtrl
.ni
.xyOffsetEn
= 1;
1556 /* Set DestTexWatermarks_31,30 to 01 always.
1557 *Has no effect if dest. flush is disabled.
1560 imesa
->regs
.s3d
.zWatermarks
.ui
= 0x12000C04;
1561 imesa
->regs
.s3d
.destTexWatermarks
.ui
= 0x40200400;
1563 /*imesa->regs.s3d.zWatermarks.ui = 0x16001808;*/
1564 imesa
->regs
.s3d
.zWatermarks
.ni
.rLow
= S3D_ZRLO
;
1565 imesa
->regs
.s3d
.zWatermarks
.ni
.rHigh
= S3D_ZRHI
;
1566 imesa
->regs
.s3d
.zWatermarks
.ni
.wLow
= S3D_ZWLO
;
1567 imesa
->regs
.s3d
.zWatermarks
.ni
.wHigh
= S3D_ZWHI
;
1568 /*imesa->regs.s3d.destTexWatermarks.ui = 0x4f000000;*/
1569 imesa
->regs
.s3d
.destTexWatermarks
.ni
.destReadLow
= S3D_DRLO
;
1570 imesa
->regs
.s3d
.destTexWatermarks
.ni
.destReadHigh
= S3D_DRHI
;
1571 imesa
->regs
.s3d
.destTexWatermarks
.ni
.destWriteLow
= S3D_DWLO
;
1572 imesa
->regs
.s3d
.destTexWatermarks
.ni
.destWriteHigh
= S3D_DWHI
;
1573 imesa
->regs
.s3d
.destTexWatermarks
.ni
.texRead
= S3D_TR
;
1574 imesa
->regs
.s3d
.destTexWatermarks
.ni
.destFlush
= 1;
1577 imesa
->regs
.s3d
.texCtrl
.ni
.dBias
= 0x08;
1578 imesa
->regs
.s3d
.texCtrl
.ni
.texXprEn
= GL_TRUE
;
1579 /* texXprEn is needed to get alphatest and alpha blending working
1580 * properly. However, this makes texels with color texXprClr
1581 * completely transparent in some texture environment modes. I
1582 * couldn't find a way to disable this. So choose an arbitrary and
1583 * improbable color. (0 is a bad choice, makes all black texels
1585 imesa
->regs
.s3d
.texXprClr
.ui
= 0x26ae26ae;
1586 /* programm a valid tex address, in case texture state is emitted
1587 * in wrong order. */
1588 if (imesa
->lastTexHeap
== 2 && imesa
->savageScreen
->textureSize
[1]) {
1589 /* AGP textures available */
1590 imesa
->regs
.s3d
.texAddr
.ui
= imesa
->savageScreen
->textureOffset
[1]|3;
1592 /* no AGP textures available, use local */
1593 imesa
->regs
.s3d
.texAddr
.ui
= imesa
->savageScreen
->textureOffset
[0]|2;
1596 imesa
->regs
.s3d
.zBufCtrl
.ni
.drawUpdateEn
= GL_TRUE
;
1597 imesa
->regs
.s3d
.zBufCtrl
.ni
.wrZafterAlphaTst
= GL_FALSE
;
1598 imesa
->regs
.s3d
.zBufCtrl
.ni
.zUpdateEn
= GL_TRUE
;
1600 imesa
->regs
.s3d
.drawCtrl
.ni
.srcAlphaMode
= SAM_One
;
1601 imesa
->regs
.s3d
.drawCtrl
.ni
.flushPdZbufWrites
= GL_TRUE
;
1602 imesa
->regs
.s3d
.drawCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
1604 imesa
->regs
.s3d
.drawCtrl
.ni
.ditherEn
= (
1605 driQueryOptioni(&imesa
->optionCache
, "color_reduction") ==
1606 DRI_CONF_COLOR_REDUCTION_DITHER
) ? GL_TRUE
: GL_FALSE
;
1607 imesa
->regs
.s3d
.drawCtrl
.ni
.cullMode
= BCM_None
;
1609 imesa
->LcsCullMode
= BCM_None
;
1610 imesa
->regs
.s3d
.texDescr
.ni
.palSize
= TPS_256
;
1612 /* clear the local registers in the global reg mask */
1613 imesa
->globalRegMask
.s3d
.texPalAddr
.ui
= 0;
1614 imesa
->globalRegMask
.s3d
.texXprClr
.ui
= 0;
1615 imesa
->globalRegMask
.s3d
.texAddr
.ui
= 0;
1616 imesa
->globalRegMask
.s3d
.texDescr
.ui
= 0;
1617 imesa
->globalRegMask
.s3d
.texCtrl
.ui
= 0;
1619 imesa
->globalRegMask
.s3d
.fogCtrl
.ui
= 0;
1621 /* drawCtrl is local with some exceptions */
1622 imesa
->globalRegMask
.s3d
.drawCtrl
.ui
= 0;
1623 imesa
->globalRegMask
.s3d
.drawCtrl
.ni
.cullMode
= 0x3;
1624 imesa
->globalRegMask
.s3d
.drawCtrl
.ni
.alphaTestCmpFunc
= 0x7;
1625 imesa
->globalRegMask
.s3d
.drawCtrl
.ni
.alphaTestEn
= 0x1;
1626 imesa
->globalRegMask
.s3d
.drawCtrl
.ni
.alphaRefVal
= 0xff;
1628 /* zBufCtrl is local with some exceptions */
1629 imesa
->globalRegMask
.s3d
.zBufCtrl
.ui
= 0;
1630 imesa
->globalRegMask
.s3d
.zBufCtrl
.ni
.zCmpFunc
= 0x7;
1631 imesa
->globalRegMask
.s3d
.zBufCtrl
.ni
.zBufEn
= 0x1;
1633 void savageDDInitState( savageContextPtr imesa
) {
1634 memset (imesa
->regs
.ui
, 0, SAVAGE_NR_REGS
*sizeof(u_int32_t
));
1635 memset (imesa
->globalRegMask
.ui
, 0xff, SAVAGE_NR_REGS
*sizeof(u_int32_t
));
1636 if (imesa
->savageScreen
->chipset
>= S3_SAVAGE4
)
1637 savageDDInitState_s4 (imesa
);
1639 savageDDInitState_s3d (imesa
);
1641 /*fprintf(stderr,"DBflag:%d\n",imesa->glCtx->Visual->DBflag);*/
1642 /* zbufoffset and destctrl have the same position and layout on
1643 * savage4 and savage3d. */
1644 if (imesa
->glCtx
->Visual
.doubleBufferMode
) {
1645 imesa
->IsDouble
= GL_TRUE
;
1646 imesa
->toggle
= TARGET_BACK
;
1647 imesa
->regs
.s4
.destCtrl
.ni
.offset
=
1648 imesa
->savageScreen
->backOffset
>>11;
1650 imesa
->IsDouble
= GL_FALSE
;
1651 imesa
->toggle
= TARGET_FRONT
;
1652 imesa
->regs
.s4
.destCtrl
.ni
.offset
=
1653 imesa
->savageScreen
->frontOffset
>>11;
1655 if(imesa
->savageScreen
->cpp
== 2) {
1656 imesa
->regs
.s4
.destCtrl
.ni
.dstPixFmt
= 0;
1657 imesa
->regs
.s4
.destCtrl
.ni
.dstWidthInTile
=
1658 (imesa
->savageScreen
->width
+63)>>6;
1660 imesa
->regs
.s4
.destCtrl
.ni
.dstPixFmt
= 1;
1661 imesa
->regs
.s4
.destCtrl
.ni
.dstWidthInTile
=
1662 (imesa
->savageScreen
->width
+31)>>5;
1664 imesa
->NotFirstFrame
= GL_FALSE
;
1666 imesa
->regs
.s4
.zBufOffset
.ni
.offset
=imesa
->savageScreen
->depthOffset
>>11;
1667 if(imesa
->savageScreen
->zpp
== 2) {
1668 imesa
->regs
.s4
.zBufOffset
.ni
.zBufWidthInTiles
=
1669 (imesa
->savageScreen
->width
+63)>>6;
1670 imesa
->regs
.s4
.zBufOffset
.ni
.zDepthSelect
= 0;
1672 imesa
->regs
.s4
.zBufOffset
.ni
.zBufWidthInTiles
=
1673 (imesa
->savageScreen
->width
+31)>>5;
1674 imesa
->regs
.s4
.zBufOffset
.ni
.zDepthSelect
= 1;
1677 memcpy (imesa
->oldRegs
.ui
, imesa
->regs
.ui
, SAVAGE_NR_REGS
*sizeof(u_int32_t
));
1679 /* Emit the initial state to the (empty) command buffer. */
1680 assert (imesa
->cmdBuf
.write
== imesa
->cmdBuf
.base
);
1681 savageEmitOldState(imesa
);
1682 imesa
->cmdBuf
.start
= imesa
->cmdBuf
.write
;
1686 #define INTERESTED (~(NEW_MODELVIEW|NEW_PROJECTION|\
1687 NEW_TEXTURE_MATRIX|\
1688 NEW_USER_CLIP|NEW_CLIENT_STATE))
1690 static void savageDDInvalidateState( GLcontext
*ctx
, GLuint new_state
)
1692 _swrast_InvalidateState( ctx
, new_state
);
1693 _swsetup_InvalidateState( ctx
, new_state
);
1694 _ac_InvalidateState( ctx
, new_state
);
1695 _tnl_InvalidateState( ctx
, new_state
);
1696 SAVAGE_CONTEXT(ctx
)->new_gl_state
|= new_state
;
1700 void savageDDInitStateFuncs(GLcontext
*ctx
)
1702 ctx
->Driver
.UpdateState
= savageDDInvalidateState
;
1703 ctx
->Driver
.BlendEquationSeparate
= savageDDBlendEquationSeparate
;
1704 ctx
->Driver
.Fogfv
= savageDDFogfv
;
1705 ctx
->Driver
.Scissor
= savageDDScissor
;
1707 ctx
->Driver
.CullFace
= savageDDCullFaceFrontFace
;
1708 ctx
->Driver
.FrontFace
= savageDDCullFaceFrontFace
;
1710 ctx
->Driver
.CullFace
= 0;
1711 ctx
->Driver
.FrontFace
= 0;
1712 #endif /* end #if HW_CULL */
1713 ctx
->Driver
.PolygonMode
=NULL
;
1714 ctx
->Driver
.PolygonStipple
= 0;
1715 ctx
->Driver
.LineStipple
= 0;
1716 ctx
->Driver
.LineWidth
= 0;
1717 ctx
->Driver
.LogicOpcode
= 0;
1718 ctx
->Driver
.DrawBuffer
= savageDDDrawBuffer
;
1719 ctx
->Driver
.ReadBuffer
= savageDDReadBuffer
;
1720 ctx
->Driver
.ClearColor
= savageDDClearColor
;
1722 ctx
->Driver
.DepthRange
= savageDepthRange
;
1723 ctx
->Driver
.Viewport
= savageViewport
;
1724 ctx
->Driver
.RenderMode
= savageRenderMode
;
1726 ctx
->Driver
.ClearIndex
= 0;
1727 ctx
->Driver
.IndexMask
= 0;
1729 if (SAVAGE_CONTEXT( ctx
)->savageScreen
->chipset
>= S3_SAVAGE4
) {
1730 ctx
->Driver
.Enable
= savageDDEnable_s4
;
1731 ctx
->Driver
.AlphaFunc
= savageDDAlphaFunc_s4
;
1732 ctx
->Driver
.DepthFunc
= savageDDDepthFunc_s4
;
1733 ctx
->Driver
.DepthMask
= savageDDDepthMask_s4
;
1734 ctx
->Driver
.BlendFuncSeparate
= savageDDBlendFuncSeparate_s4
;
1735 ctx
->Driver
.ColorMask
= savageDDColorMask_s4
;
1736 ctx
->Driver
.ShadeModel
= savageDDShadeModel_s4
;
1737 ctx
->Driver
.LightModelfv
= savageDDLightModelfv_s4
;
1738 ctx
->Driver
.StencilFuncSeparate
= savageDDStencilFuncSeparate
;
1739 ctx
->Driver
.StencilMaskSeparate
= savageDDStencilMaskSeparate
;
1740 ctx
->Driver
.StencilOpSeparate
= savageDDStencilOpSeparate
;
1742 ctx
->Driver
.Enable
= savageDDEnable_s3d
;
1743 ctx
->Driver
.AlphaFunc
= savageDDAlphaFunc_s3d
;
1744 ctx
->Driver
.DepthFunc
= savageDDDepthFunc_s3d
;
1745 ctx
->Driver
.DepthMask
= savageDDDepthMask_s3d
;
1746 ctx
->Driver
.BlendFuncSeparate
= savageDDBlendFuncSeparate_s3d
;
1747 ctx
->Driver
.ColorMask
= savageDDColorMask_s3d
;
1748 ctx
->Driver
.ShadeModel
= savageDDShadeModel_s3d
;
1749 ctx
->Driver
.LightModelfv
= savageDDLightModelfv_s3d
;
1750 ctx
->Driver
.StencilFuncSeparate
= NULL
;
1751 ctx
->Driver
.StencilMaskSeparate
= NULL
;
1752 ctx
->Driver
.StencilOpSeparate
= NULL
;
1755 /* Swrast hooks for imaging extensions:
1757 ctx
->Driver
.CopyColorTable
= _swrast_CopyColorTable
;
1758 ctx
->Driver
.CopyColorSubTable
= _swrast_CopyColorSubTable
;
1759 ctx
->Driver
.CopyConvolutionFilter1D
= _swrast_CopyConvolutionFilter1D
;
1760 ctx
->Driver
.CopyConvolutionFilter2D
= _swrast_CopyConvolutionFilter2D
;