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"
49 static void savageBlendFunc_s4(GLcontext
*);
50 static void savageBlendFunc_s3d(GLcontext
*);
52 static __inline__ GLuint
savagePackColor(GLuint format
,
58 return SAVAGEPACKCOLOR8888(r
,g
,b
,a
);
60 return SAVAGEPACKCOLOR565(r
,g
,b
);
68 static void savageDDAlphaFunc_s4(GLcontext
*ctx
, GLenum func
, GLfloat ref
)
70 /* This can be done in BlendFunc*/
71 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
72 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
73 savageBlendFunc_s4(ctx
);
75 static void savageDDAlphaFunc_s3d(GLcontext
*ctx
, GLenum func
, GLfloat ref
)
77 /* This can be done in BlendFunc*/
78 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
79 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
80 savageBlendFunc_s3d(ctx
);
83 static void savageDDBlendEquationSeparate(GLcontext
*ctx
,
84 GLenum modeRGB
, GLenum modeA
)
86 assert( modeRGB
== modeA
);
88 /* BlendEquation sets ColorLogicOpEnabled in an unexpected
91 FALLBACK( ctx
, SAVAGE_FALLBACK_LOGICOP
,
92 (ctx
->Color
.ColorLogicOpEnabled
&&
93 ctx
->Color
.LogicOp
!= GL_COPY
));
95 /* Can only do blend addition, not min, max, subtract, etc. */
96 FALLBACK( ctx
, SAVAGE_FALLBACK_BLEND_EQ
,
97 modeRGB
!= GL_FUNC_ADD
);
101 static void savageBlendFunc_s4(GLcontext
*ctx
)
103 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
105 /* set up draw control register (including blending, alpha
106 * test, and shading model)
109 imesa
->regs
.s4
.drawLocalCtrl
.ni
.flushPdDestWrites
= 0;
114 if(ctx
->Color
.BlendEnabled
){
115 switch (ctx
->Color
.BlendDstRGB
)
118 imesa
->regs
.s4
.drawLocalCtrl
.ni
.dstAlphaMode
= DAM_Zero
;
122 imesa
->regs
.s4
.drawLocalCtrl
.ni
.dstAlphaMode
= DAM_One
;
123 imesa
->regs
.s4
.drawLocalCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
127 imesa
->regs
.s4
.drawLocalCtrl
.ni
.dstAlphaMode
= DAM_SrcClr
;
128 imesa
->regs
.s4
.drawLocalCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
131 case GL_ONE_MINUS_SRC_COLOR
:
132 imesa
->regs
.s4
.drawLocalCtrl
.ni
.dstAlphaMode
= DAM_1SrcClr
;
133 imesa
->regs
.s4
.drawLocalCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
137 imesa
->regs
.s4
.drawLocalCtrl
.ni
.dstAlphaMode
= DAM_SrcAlpha
;
138 imesa
->regs
.s4
.drawLocalCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
141 case GL_ONE_MINUS_SRC_ALPHA
:
142 imesa
->regs
.s4
.drawLocalCtrl
.ni
.dstAlphaMode
= DAM_1SrcAlpha
;
143 imesa
->regs
.s4
.drawLocalCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
147 if (imesa
->glCtx
->Visual
.alphaBits
== 0)
149 imesa
->regs
.s4
.drawLocalCtrl
.ni
.dstAlphaMode
= DAM_One
;
153 imesa
->regs
.s4
.drawLocalCtrl
.ni
.dstAlphaMode
= DAM_DstAlpha
;
155 imesa
->regs
.s4
.drawLocalCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
158 case GL_ONE_MINUS_DST_ALPHA
:
159 if (imesa
->glCtx
->Visual
.alphaBits
== 0)
161 imesa
->regs
.s4
.drawLocalCtrl
.ni
.dstAlphaMode
= DAM_Zero
;
165 imesa
->regs
.s4
.drawLocalCtrl
.ni
.dstAlphaMode
=DAM_1DstAlpha
;
166 imesa
->regs
.s4
.drawLocalCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
171 switch (ctx
->Color
.BlendSrcRGB
)
174 imesa
->regs
.s4
.drawLocalCtrl
.ni
.srcAlphaMode
= SAM_Zero
;
178 imesa
->regs
.s4
.drawLocalCtrl
.ni
.srcAlphaMode
= SAM_One
;
182 imesa
->regs
.s4
.drawLocalCtrl
.ni
.srcAlphaMode
= SAM_DstClr
;
183 imesa
->regs
.s4
.drawLocalCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
186 case GL_ONE_MINUS_DST_COLOR
:
187 imesa
->regs
.s4
.drawLocalCtrl
.ni
.srcAlphaMode
= SAM_1DstClr
;
188 imesa
->regs
.s4
.drawLocalCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
192 imesa
->regs
.s4
.drawLocalCtrl
.ni
.srcAlphaMode
= SAM_SrcAlpha
;
195 case GL_ONE_MINUS_SRC_ALPHA
:
196 imesa
->regs
.s4
.drawLocalCtrl
.ni
.srcAlphaMode
= SAM_1SrcAlpha
;
200 if (imesa
->glCtx
->Visual
.alphaBits
== 0)
202 imesa
->regs
.s4
.drawLocalCtrl
.ni
.srcAlphaMode
= SAM_One
;
206 imesa
->regs
.s4
.drawLocalCtrl
.ni
.srcAlphaMode
= SAM_DstAlpha
;
207 imesa
->regs
.s4
.drawLocalCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
211 case GL_ONE_MINUS_DST_ALPHA
:
212 if (imesa
->glCtx
->Visual
.alphaBits
== 0)
214 imesa
->regs
.s4
.drawLocalCtrl
.ni
.srcAlphaMode
= SAM_Zero
;
218 imesa
->regs
.s4
.drawLocalCtrl
.ni
.srcAlphaMode
=SAM_1DstAlpha
;
219 imesa
->regs
.s4
.drawLocalCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
226 imesa
->regs
.s4
.drawLocalCtrl
.ni
.dstAlphaMode
= DAM_Zero
;
227 imesa
->regs
.s4
.drawLocalCtrl
.ni
.srcAlphaMode
= SAM_One
;
232 if(ctx
->Color
.AlphaEnabled
)
237 CLAMPED_FLOAT_TO_UBYTE(alphaRef
,ctx
->Color
.AlphaRef
);
239 switch(ctx
->Color
.AlphaFunc
) {
240 case GL_NEVER
: a
= CF_Never
; break;
241 case GL_ALWAYS
: a
= CF_Always
; break;
242 case GL_LESS
: a
= CF_Less
; break;
243 case GL_LEQUAL
: a
= CF_LessEqual
; break;
244 case GL_EQUAL
: a
= CF_Equal
; break;
245 case GL_GREATER
: a
= CF_Greater
; break;
246 case GL_GEQUAL
: a
= CF_GreaterEqual
; break;
247 case GL_NOTEQUAL
: a
= CF_NotEqual
; break;
251 imesa
->regs
.s4
.drawCtrl1
.ni
.alphaTestEn
= GL_TRUE
;
252 imesa
->regs
.s4
.drawCtrl1
.ni
.alphaTestCmpFunc
= a
;
253 imesa
->regs
.s4
.drawCtrl0
.ni
.alphaRefVal
= alphaRef
;
257 imesa
->regs
.s4
.drawCtrl1
.ni
.alphaTestEn
= GL_FALSE
;
260 /* Set/Reset Z-after-alpha*/
262 imesa
->regs
.s4
.drawLocalCtrl
.ni
.wrZafterAlphaTst
=
263 imesa
->regs
.s4
.drawCtrl1
.ni
.alphaTestEn
;
264 /*imesa->regs.s4.drawLocalCtrl.ni.zUpdateEn =
265 ~drawLocalCtrl.ni.wrZafterAlphaTst;*/
267 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
269 static void savageBlendFunc_s3d(GLcontext
*ctx
)
271 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
273 /* set up draw control register (including blending, alpha
274 * test, dithering, and shading model)
277 imesa
->regs
.s3d
.drawCtrl
.ni
.flushPdDestWrites
= 0;
282 if(ctx
->Color
.BlendEnabled
){
283 switch (ctx
->Color
.BlendDstRGB
)
286 imesa
->regs
.s3d
.drawCtrl
.ni
.dstAlphaMode
= DAM_Zero
;
290 imesa
->regs
.s3d
.drawCtrl
.ni
.dstAlphaMode
= DAM_One
;
291 imesa
->regs
.s3d
.drawCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
295 imesa
->regs
.s3d
.drawCtrl
.ni
.dstAlphaMode
= DAM_SrcClr
;
296 imesa
->regs
.s3d
.drawCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
299 case GL_ONE_MINUS_SRC_COLOR
:
300 imesa
->regs
.s3d
.drawCtrl
.ni
.dstAlphaMode
= DAM_1SrcClr
;
301 imesa
->regs
.s3d
.drawCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
305 imesa
->regs
.s3d
.drawCtrl
.ni
.dstAlphaMode
= DAM_SrcAlpha
;
306 imesa
->regs
.s3d
.drawCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
309 case GL_ONE_MINUS_SRC_ALPHA
:
310 imesa
->regs
.s3d
.drawCtrl
.ni
.dstAlphaMode
= DAM_1SrcAlpha
;
311 imesa
->regs
.s3d
.drawCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
315 if (imesa
->glCtx
->Visual
.alphaBits
== 0)
317 imesa
->regs
.s3d
.drawCtrl
.ni
.dstAlphaMode
= DAM_One
;
321 imesa
->regs
.s3d
.drawCtrl
.ni
.dstAlphaMode
= DAM_DstAlpha
;
323 imesa
->regs
.s3d
.drawCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
326 case GL_ONE_MINUS_DST_ALPHA
:
327 if (imesa
->glCtx
->Visual
.alphaBits
== 0)
329 imesa
->regs
.s3d
.drawCtrl
.ni
.dstAlphaMode
= DAM_Zero
;
333 imesa
->regs
.s3d
.drawCtrl
.ni
.dstAlphaMode
= DAM_1DstAlpha
;
334 imesa
->regs
.s3d
.drawCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
339 switch (ctx
->Color
.BlendSrcRGB
)
342 imesa
->regs
.s3d
.drawCtrl
.ni
.srcAlphaMode
= SAM_Zero
;
346 imesa
->regs
.s3d
.drawCtrl
.ni
.srcAlphaMode
= SAM_One
;
350 imesa
->regs
.s3d
.drawCtrl
.ni
.srcAlphaMode
= SAM_DstClr
;
351 imesa
->regs
.s3d
.drawCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
354 case GL_ONE_MINUS_DST_COLOR
:
355 imesa
->regs
.s3d
.drawCtrl
.ni
.srcAlphaMode
= SAM_1DstClr
;
356 imesa
->regs
.s3d
.drawCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
360 imesa
->regs
.s3d
.drawCtrl
.ni
.srcAlphaMode
= SAM_SrcAlpha
;
363 case GL_ONE_MINUS_SRC_ALPHA
:
364 imesa
->regs
.s3d
.drawCtrl
.ni
.srcAlphaMode
= SAM_1SrcAlpha
;
368 if (imesa
->glCtx
->Visual
.alphaBits
== 0)
370 imesa
->regs
.s3d
.drawCtrl
.ni
.srcAlphaMode
= SAM_One
;
374 imesa
->regs
.s3d
.drawCtrl
.ni
.srcAlphaMode
= SAM_DstAlpha
;
375 imesa
->regs
.s3d
.drawCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
379 case GL_ONE_MINUS_DST_ALPHA
:
380 if (imesa
->glCtx
->Visual
.alphaBits
== 0)
382 imesa
->regs
.s3d
.drawCtrl
.ni
.srcAlphaMode
= SAM_Zero
;
386 imesa
->regs
.s3d
.drawCtrl
.ni
.srcAlphaMode
= SAM_1DstAlpha
;
387 imesa
->regs
.s3d
.drawCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
394 imesa
->regs
.s3d
.drawCtrl
.ni
.dstAlphaMode
= DAM_Zero
;
395 imesa
->regs
.s3d
.drawCtrl
.ni
.srcAlphaMode
= SAM_One
;
400 if(ctx
->Color
.AlphaEnabled
)
405 CLAMPED_FLOAT_TO_UBYTE(alphaRef
,ctx
->Color
.AlphaRef
);
407 switch(ctx
->Color
.AlphaFunc
) {
408 case GL_NEVER
: a
= CF_Never
; break;
409 case GL_ALWAYS
: a
= CF_Always
; break;
410 case GL_LESS
: a
= CF_Less
; break;
411 case GL_LEQUAL
: a
= CF_LessEqual
; break;
412 case GL_EQUAL
: a
= CF_Equal
; break;
413 case GL_GREATER
: a
= CF_Greater
; break;
414 case GL_GEQUAL
: a
= CF_GreaterEqual
; break;
415 case GL_NOTEQUAL
: a
= CF_NotEqual
; break;
419 imesa
->regs
.s3d
.drawCtrl
.ni
.alphaTestEn
= GL_TRUE
;
420 imesa
->regs
.s3d
.drawCtrl
.ni
.alphaTestCmpFunc
= a
;
421 imesa
->regs
.s3d
.drawCtrl
.ni
.alphaRefVal
= alphaRef
;
425 imesa
->regs
.s3d
.drawCtrl
.ni
.alphaTestEn
= GL_FALSE
;
428 /* Set/Reset Z-after-alpha*/
430 imesa
->regs
.s3d
.zBufCtrl
.ni
.wrZafterAlphaTst
=
431 imesa
->regs
.s3d
.drawCtrl
.ni
.alphaTestEn
;
433 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
436 static void savageDDBlendFuncSeparate_s4( GLcontext
*ctx
, GLenum sfactorRGB
,
437 GLenum dfactorRGB
, GLenum sfactorA
,
440 assert (dfactorRGB
== dfactorA
&& sfactorRGB
== sfactorA
);
441 savageBlendFunc_s4( ctx
);
443 static void savageDDBlendFuncSeparate_s3d( GLcontext
*ctx
, GLenum sfactorRGB
,
444 GLenum dfactorRGB
, GLenum sfactorA
,
447 assert (dfactorRGB
== dfactorA
&& sfactorRGB
== sfactorA
);
448 savageBlendFunc_s3d( ctx
);
453 static void savageDDDepthFunc_s4(GLcontext
*ctx
, GLenum func
)
455 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
459 /* set up z-buffer control register (global)
460 * set up z-buffer offset register (global)
461 * set up z read/write watermarks register (global)
465 case GL_NEVER
: zmode
= CF_Never
; break;
466 case GL_ALWAYS
: zmode
= CF_Always
; break;
467 case GL_LESS
: zmode
= CF_Less
; break;
468 case GL_LEQUAL
: zmode
= CF_LessEqual
; break;
469 case GL_EQUAL
: zmode
= CF_Equal
; break;
470 case GL_GREATER
: zmode
= CF_Greater
; break;
471 case GL_GEQUAL
: zmode
= CF_GreaterEqual
; break;
472 case GL_NOTEQUAL
: zmode
= CF_NotEqual
; break;
478 imesa
->regs
.s4
.zBufCtrl
.ni
.zCmpFunc
= zmode
;
479 imesa
->regs
.s4
.drawLocalCtrl
.ni
.zUpdateEn
= ctx
->Depth
.Mask
;
480 imesa
->regs
.s4
.drawLocalCtrl
.ni
.flushPdZbufWrites
= GL_TRUE
;
482 imesa
->regs
.s4
.zWatermarks
.ni
.wLow
= 0;
485 imesa
->regs
.s4
.zBufCtrl
.ni
.zBufEn
= GL_TRUE
;
487 else if (imesa
->glCtx
->Stencil
.Enabled
&& imesa
->hw_stencil
)
489 /* Need to keep Z on for Stencil. */
490 imesa
->regs
.s4
.zBufCtrl
.ni
.zCmpFunc
= CF_Always
;
491 imesa
->regs
.s4
.zBufCtrl
.ni
.zBufEn
= GL_TRUE
;
492 imesa
->regs
.s4
.drawLocalCtrl
.ni
.zUpdateEn
= GL_FALSE
;
493 imesa
->regs
.s4
.drawLocalCtrl
.ni
.flushPdZbufWrites
= GL_FALSE
;
494 imesa
->regs
.s4
.zWatermarks
.ni
.wLow
= 8;
499 if (imesa
->regs
.s4
.drawLocalCtrl
.ni
.drawUpdateEn
== GL_FALSE
)
501 imesa
->regs
.s4
.zBufCtrl
.ni
.zCmpFunc
= CF_Always
;
502 imesa
->regs
.s4
.zBufCtrl
.ni
.zBufEn
= GL_TRUE
;
506 /* DRAWUPDATE_REQUIRES_Z_ENABLED*/
508 imesa
->regs
.s4
.zBufCtrl
.ni
.zBufEn
= GL_FALSE
;
510 imesa
->regs
.s4
.drawLocalCtrl
.ni
.zUpdateEn
= GL_FALSE
;
511 imesa
->regs
.s4
.drawLocalCtrl
.ni
.flushPdZbufWrites
= GL_FALSE
;
512 imesa
->regs
.s4
.zWatermarks
.ni
.wLow
= 8;
515 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
517 static void savageDDDepthFunc_s3d(GLcontext
*ctx
, GLenum func
)
519 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
523 /* set up z-buffer control register (global)
524 * set up z-buffer offset register (global)
525 * set up z read/write watermarks register (global)
528 case GL_NEVER
: zmode
= CF_Never
; break;
529 case GL_ALWAYS
: zmode
= CF_Always
; break;
530 case GL_LESS
: zmode
= CF_Less
; break;
531 case GL_LEQUAL
: zmode
= CF_LessEqual
; break;
532 case GL_EQUAL
: zmode
= CF_Equal
; break;
533 case GL_GREATER
: zmode
= CF_Greater
; break;
534 case GL_GEQUAL
: zmode
= CF_GreaterEqual
; break;
535 case GL_NOTEQUAL
: zmode
= CF_NotEqual
; break;
540 imesa
->regs
.s3d
.zBufCtrl
.ni
.zBufEn
= GL_TRUE
;
541 imesa
->regs
.s3d
.zBufCtrl
.ni
.zCmpFunc
= zmode
;
542 imesa
->regs
.s3d
.zBufCtrl
.ni
.zUpdateEn
= ctx
->Depth
.Mask
;
544 imesa
->regs
.s3d
.drawCtrl
.ni
.flushPdZbufWrites
= GL_TRUE
;
546 imesa
->regs
.s3d
.zWatermarks
.ni
.wLow
= 0;
551 if (imesa
->regs
.s3d
.zBufCtrl
.ni
.drawUpdateEn
== GL_FALSE
) {
552 imesa
->regs
.s3d
.zBufCtrl
.ni
.zCmpFunc
= CF_Always
;
553 imesa
->regs
.s3d
.zBufCtrl
.ni
.zBufEn
= GL_TRUE
;
557 /* DRAWUPDATE_REQUIRES_Z_ENABLED*/
559 imesa
->regs
.s3d
.zBufCtrl
.ni
.zBufEn
= GL_FALSE
;
561 imesa
->regs
.s3d
.zBufCtrl
.ni
.zUpdateEn
= GL_FALSE
;
562 imesa
->regs
.s3d
.drawCtrl
.ni
.flushPdZbufWrites
= GL_FALSE
;
563 imesa
->regs
.s3d
.zWatermarks
.ni
.wLow
= 8;
566 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
569 static void savageDDDepthMask_s4(GLcontext
*ctx
, GLboolean flag
)
571 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
573 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
576 imesa
->regs
.s4
.drawLocalCtrl
.ni
.flushPdZbufWrites
= GL_TRUE
;
580 imesa
->regs
.s4
.drawLocalCtrl
.ni
.flushPdZbufWrites
= GL_FALSE
;
582 savageDDDepthFunc_s4(ctx
,ctx
->Depth
.Func
);
584 static void savageDDDepthMask_s3d(GLcontext
*ctx
, GLboolean flag
)
586 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
588 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
591 imesa
->regs
.s3d
.drawCtrl
.ni
.flushPdZbufWrites
= GL_TRUE
;
595 imesa
->regs
.s3d
.drawCtrl
.ni
.flushPdZbufWrites
= GL_FALSE
;
597 savageDDDepthFunc_s3d(ctx
,ctx
->Depth
.Func
);
603 /* =============================================================
608 static void savageDDScissor( GLcontext
*ctx
, GLint x
, GLint y
,
609 GLsizei w
, GLsizei h
)
611 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
612 imesa
->scissor_rect
.x1
= MAX2(imesa
->drawX
+x
,imesa
->draw_rect
.x1
);
613 imesa
->scissor_rect
.y1
= MAX2(imesa
->drawY
+imesa
->driDrawable
->h
-(y
+h
),
614 imesa
->draw_rect
.y1
);
615 imesa
->scissor_rect
.x2
= MIN2(imesa
->drawX
+x
+w
,imesa
->draw_rect
.x2
);
616 imesa
->scissor_rect
.y2
= MIN2(imesa
->drawY
+imesa
->driDrawable
->h
- y
,
617 imesa
->draw_rect
.y2
);
620 imesa
->scissorChanged
=GL_TRUE
;
622 imesa
->dirty
|= SAVAGE_UPLOAD_CLIPRECTS
;
627 static void savageDDDrawBuffer(GLcontext
*ctx
, GLenum mode
)
629 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
632 * _DrawDestMask is easier to cope with than <mode>.
634 switch ( ctx
->Color
._DrawDestMask
[0] ) {
635 case DD_FRONT_LEFT_BIT
:
636 imesa
->IsDouble
= GL_FALSE
;
638 imesa
->drawMap
= (char *)imesa
->apertureBase
[TARGET_FRONT
];
639 imesa
->readMap
= (char *)imesa
->apertureBase
[TARGET_FRONT
];
640 imesa
->regs
.s4
.destCtrl
.ni
.offset
= imesa
->savageScreen
->frontOffset
>>11;
641 imesa
->NotFirstFrame
= GL_FALSE
;
642 imesa
->dirty
|= SAVAGE_UPLOAD_BUFFERS
| SAVAGE_UPLOAD_CTX
;
643 savageXMesaSetFrontClipRects( imesa
);
644 FALLBACK( ctx
, SAVAGE_FALLBACK_DRAW_BUFFER
, GL_FALSE
);
646 case DD_BACK_LEFT_BIT
:
647 imesa
->IsDouble
= GL_TRUE
;
648 imesa
->drawMap
= (char *)imesa
->apertureBase
[TARGET_BACK
];
649 imesa
->readMap
= (char *)imesa
->apertureBase
[TARGET_BACK
];
650 imesa
->regs
.s4
.destCtrl
.ni
.offset
= imesa
->savageScreen
->backOffset
>>11;
651 imesa
->NotFirstFrame
= GL_FALSE
;
652 imesa
->dirty
|= SAVAGE_UPLOAD_BUFFERS
| SAVAGE_UPLOAD_CTX
;
653 savageXMesaSetBackClipRects( imesa
);
654 FALLBACK( ctx
, SAVAGE_FALLBACK_DRAW_BUFFER
, GL_FALSE
);
657 FALLBACK( ctx
, SAVAGE_FALLBACK_DRAW_BUFFER
, GL_TRUE
);
661 /* We want to update the s/w rast state too so that r200SetBuffer() (?)
664 _swrast_DrawBuffer(ctx
, mode
);
667 static void savageDDReadBuffer(GLcontext
*ctx
, GLenum mode
)
669 /* nothing, until we implement h/w glRead/CopyPixels or CopyTexImage */
673 static void savageDDSetColor(GLcontext
*ctx
,
674 GLubyte r
, GLubyte g
,
675 GLubyte b
, GLubyte a
)
677 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
678 imesa
->MonoColor
= savagePackColor( imesa
->savageScreen
->frontFormat
, r
, g
, b
, a
);
682 /* =============================================================
683 * Window position and viewport transformation
686 static void savageCalcViewport( GLcontext
*ctx
)
688 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
689 const GLfloat
*v
= ctx
->Viewport
._WindowMap
.m
;
690 GLfloat
*m
= imesa
->hw_viewport
;
692 /* See also mga_translate_vertex.
694 m
[MAT_SX
] = v
[MAT_SX
];
695 m
[MAT_TX
] = v
[MAT_TX
] + imesa
->drawX
+ SUBPIXEL_X
;
696 m
[MAT_SY
] = - v
[MAT_SY
];
697 m
[MAT_TY
] = - v
[MAT_TY
] + imesa
->driDrawable
->h
+ imesa
->drawY
+ SUBPIXEL_Y
;
698 m
[MAT_SZ
] = v
[MAT_SZ
] * imesa
->depth_scale
;
699 m
[MAT_TZ
] = v
[MAT_TZ
] * imesa
->depth_scale
;
701 imesa
->SetupNewInputs
= ~0;
704 static void savageViewport( GLcontext
*ctx
,
706 GLsizei width
, GLsizei height
)
708 /* update size of Mesa/software ancillary buffers */
709 _mesa_ResizeBuffersMESA();
710 savageCalcViewport( ctx
);
713 static void savageDepthRange( GLcontext
*ctx
,
714 GLclampd nearval
, GLclampd farval
)
716 savageCalcViewport( ctx
);
720 /* =============================================================
724 static void savageDDClearColor(GLcontext
*ctx
,
725 const GLfloat color
[4] )
727 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
729 CLAMPED_FLOAT_TO_UBYTE(c
[0], color
[0]);
730 CLAMPED_FLOAT_TO_UBYTE(c
[1], color
[1]);
731 CLAMPED_FLOAT_TO_UBYTE(c
[2], color
[2]);
732 CLAMPED_FLOAT_TO_UBYTE(c
[3], color
[3]);
734 imesa
->ClearColor
= savagePackColor( imesa
->savageScreen
->frontFormat
,
735 c
[0], c
[1], c
[2], c
[3] );
738 /* Fallback to swrast for select and feedback.
740 static void savageRenderMode( GLcontext
*ctx
, GLenum mode
)
742 FALLBACK( ctx
, SAVAGE_FALLBACK_RENDERMODE
, (mode
!= GL_RENDER
) );
748 /* =============================================================
749 * Culling - the savage isn't quite as clean here as the rest of
750 * its interfaces, but it's not bad.
752 static void savageDDCullFaceFrontFace(GLcontext
*ctx
, GLenum unused
)
754 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
755 GLuint cullMode
=imesa
->LcsCullMode
;
756 switch (ctx
->Polygon
.CullFaceMode
)
759 switch (ctx
->Polygon
.FrontFace
)
771 switch (ctx
->Polygon
.FrontFace
)
782 imesa
->LcsCullMode
= cullMode
;
783 imesa
->new_state
|= SAVAGE_NEW_CULL
;
785 #endif /* end #if HW_CULL */
787 static void savageUpdateCull( GLcontext
*ctx
)
790 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
792 if (ctx
->Polygon
.CullFlag
&&
793 imesa
->raster_primitive
== GL_TRIANGLES
&&
794 ctx
->Polygon
.CullFaceMode
!= GL_FRONT_AND_BACK
)
795 cullMode
= imesa
->LcsCullMode
;
798 if (imesa
->savageScreen
->chipset
>= S3_SAVAGE4
) {
799 if (imesa
->regs
.s4
.drawCtrl1
.ni
.cullMode
!= cullMode
) {
800 imesa
->regs
.s4
.drawCtrl1
.ni
.cullMode
= cullMode
;
801 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
804 if (imesa
->regs
.s3d
.drawCtrl
.ni
.cullMode
!= cullMode
) {
805 imesa
->regs
.s3d
.drawCtrl
.ni
.cullMode
= cullMode
;
806 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
809 #endif /* end #if HW_CULL */
814 /* =============================================================
818 /* Mesa calls this from the wrong place - it is called a very large
819 * number of redundant times.
821 * Colormask can be simulated by multipass or multitexture techniques.
823 static void savageDDColorMask_s4(GLcontext
*ctx
,
824 GLboolean r
, GLboolean g
,
825 GLboolean b
, GLboolean a
)
827 savageContextPtr imesa
= SAVAGE_CONTEXT( ctx
);
830 if (ctx
->Visual
.alphaBits
)
832 enable
= b
| g
| r
| a
;
841 imesa
->regs
.s4
.drawLocalCtrl
.ni
.drawUpdateEn
= GL_TRUE
;
845 imesa
->regs
.s4
.drawLocalCtrl
.ni
.drawUpdateEn
= GL_FALSE
;
847 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
848 /* TODO: need a software fallback */
850 static void savageDDColorMask_s3d(GLcontext
*ctx
,
851 GLboolean r
, GLboolean g
,
852 GLboolean b
, GLboolean a
)
854 savageContextPtr imesa
= SAVAGE_CONTEXT( ctx
);
857 if (ctx
->Visual
.alphaBits
)
859 enable
= b
| g
| r
| a
;
868 imesa
->regs
.s3d
.zBufCtrl
.ni
.drawUpdateEn
= GL_TRUE
;
872 imesa
->regs
.s3d
.zBufCtrl
.ni
.drawUpdateEn
= GL_FALSE
;
874 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
875 /* TODO: need a software fallback */
878 /* Seperate specular not fully implemented in hardware... Needs
879 * some interaction with material state? Just punt to software
881 * FK: Don't fall back for now. Let's see the failure cases and
882 * fix them the right way. I don't see how this could be a
883 * hardware limitation.
885 static void savageUpdateSpecular_s4(GLcontext
*ctx
) {
886 savageContextPtr imesa
= SAVAGE_CONTEXT( ctx
);
888 if (ctx
->Light
.Model
.ColorControl
== GL_SEPARATE_SPECULAR_COLOR
&&
889 ctx
->Light
.Enabled
) {
890 imesa
->regs
.s4
.drawLocalCtrl
.ni
.specShadeEn
= GL_TRUE
;
891 /*FALLBACK (ctx, SAVAGE_FALLBACK_SPECULAR, GL_TRUE);*/
893 imesa
->regs
.s4
.drawLocalCtrl
.ni
.specShadeEn
= GL_FALSE
;
894 /*FALLBACK (ctx, SAVAGE_FALLBACK_SPECULAR, GL_FALSE);*/
896 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
898 static void savageUpdateSpecular_s3d(GLcontext
*ctx
) {
899 savageContextPtr imesa
= SAVAGE_CONTEXT( ctx
);
901 if (ctx
->Light
.Model
.ColorControl
== GL_SEPARATE_SPECULAR_COLOR
&&
902 ctx
->Light
.Enabled
) {
903 imesa
->regs
.s3d
.drawCtrl
.ni
.specShadeEn
= GL_TRUE
;
904 /*FALLBACK (ctx, SAVAGE_FALLBACK_SPECULAR, GL_TRUE);*/
906 imesa
->regs
.s3d
.drawCtrl
.ni
.specShadeEn
= GL_FALSE
;
907 /*FALLBACK (ctx, SAVAGE_FALLBACK_SPECULAR, GL_FALSE);*/
909 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
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
);
927 if (mod
== GL_SMOOTH
)
929 imesa
->regs
.s4
.drawLocalCtrl
.ni
.flatShadeEn
= GL_FALSE
;
933 imesa
->regs
.s4
.drawLocalCtrl
.ni
.flatShadeEn
= GL_TRUE
;
935 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
937 static void savageDDShadeModel_s3d(GLcontext
*ctx
, GLuint mod
)
939 savageContextPtr imesa
= SAVAGE_CONTEXT( ctx
);
941 if (mod
== GL_SMOOTH
)
943 imesa
->regs
.s3d
.drawCtrl
.ni
.flatShadeEn
= GL_FALSE
;
947 imesa
->regs
.s3d
.drawCtrl
.ni
.flatShadeEn
= GL_TRUE
;
949 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
953 /* =============================================================
955 * The fogCtrl register has the same position and the same layout
956 * on savage3d and savage4. No need for two separate functions.
959 static void savageDDFogfv(GLcontext
*ctx
, GLenum pname
, const GLfloat
*param
)
961 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
964 /*if ((ctx->Fog.Enabled) &&(pname == GL_FOG_COLOR))*/
965 if (ctx
->Fog
.Enabled
)
967 fogClr
= (((GLubyte
)(ctx
->Fog
.Color
[0]*255.0F
) << 16) |
968 ((GLubyte
)(ctx
->Fog
.Color
[1]*255.0F
) << 8) |
969 ((GLubyte
)(ctx
->Fog
.Color
[2]*255.0F
) << 0));
970 imesa
->regs
.s4
.fogCtrl
.ni
.fogEn
= GL_TRUE
;
972 imesa
->regs
.s4
.fogCtrl
.ni
.fogMode
= GL_TRUE
;
973 imesa
->regs
.s4
.fogCtrl
.ni
.fogClr
= fogClr
;
979 imesa
->regs
.s4
.fogCtrl
.ni
.fogEn
= 0;
980 imesa
->regs
.s4
.fogCtrl
.ni
.fogMode
= 0;
982 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
986 static void savageStencilFunc(GLcontext
*);
988 static void savageDDStencilFunc(GLcontext
*ctx
, GLenum func
, GLint ref
,
991 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
994 imesa
->regs
.s4
.zBufCtrl
.ni
.stencilRefVal
= ctx
->Stencil
.Ref
[0];
995 imesa
->regs
.s4
.stencilCtrl
.ni
.readMask
= ctx
->Stencil
.ValueMask
[0];
997 switch (ctx
->Stencil
.Function
[0])
999 case GL_NEVER
: a
= CF_Never
; break;
1000 case GL_ALWAYS
: a
= CF_Always
; break;
1001 case GL_LESS
: a
= CF_Less
; break;
1002 case GL_LEQUAL
: a
= CF_LessEqual
; break;
1003 case GL_EQUAL
: a
= CF_Equal
; break;
1004 case GL_GREATER
: a
= CF_Greater
; break;
1005 case GL_GEQUAL
: a
= CF_GreaterEqual
; break;
1006 case GL_NOTEQUAL
: a
= CF_NotEqual
; break;
1011 imesa
->regs
.s4
.stencilCtrl
.ni
.cmpFunc
= a
;
1013 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
1016 static void savageDDStencilMask(GLcontext
*ctx
, GLuint mask
)
1018 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
1020 imesa
->regs
.s4
.stencilCtrl
.ni
.writeMask
= ctx
->Stencil
.WriteMask
[0];
1022 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
1025 static void savageDDStencilOp(GLcontext
*ctx
, GLenum fail
, GLenum zfail
,
1028 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
1030 switch (ctx
->Stencil
.FailFunc
[0])
1033 imesa
->regs
.s4
.stencilCtrl
.ni
.failOp
= STC_FAIL_Keep
;
1036 imesa
->regs
.s4
.stencilCtrl
.ni
.failOp
= STC_FAIL_Zero
;
1039 imesa
->regs
.s4
.stencilCtrl
.ni
.failOp
= STC_FAIL_Equal
;
1042 imesa
->regs
.s4
.stencilCtrl
.ni
.failOp
= STC_FAIL_IncClamp
;
1045 imesa
->regs
.s4
.stencilCtrl
.ni
.failOp
= STC_FAIL_DecClamp
;
1048 imesa
->regs
.s4
.stencilCtrl
.ni
.failOp
= STC_FAIL_Invert
;
1050 case GL_INCR_WRAP_EXT
:
1051 imesa
->regs
.s4
.stencilCtrl
.ni
.failOp
= STC_FAIL_Inc
;
1053 case GL_DECR_WRAP_EXT
:
1054 imesa
->regs
.s4
.stencilCtrl
.ni
.failOp
= STC_FAIL_Dec
;
1059 switch (ctx
->Stencil
.ZFailFunc
[0])
1062 imesa
->regs
.s4
.stencilCtrl
.ni
.passZfailOp
= STC_FAIL_Keep
;
1065 imesa
->regs
.s4
.stencilCtrl
.ni
.passZfailOp
= STC_FAIL_Zero
;
1068 imesa
->regs
.s4
.stencilCtrl
.ni
.passZfailOp
= STC_FAIL_Equal
;
1071 imesa
->regs
.s4
.stencilCtrl
.ni
.passZfailOp
= STC_FAIL_IncClamp
;
1074 imesa
->regs
.s4
.stencilCtrl
.ni
.passZfailOp
= STC_FAIL_DecClamp
;
1077 imesa
->regs
.s4
.stencilCtrl
.ni
.passZfailOp
= STC_FAIL_Invert
;
1079 case GL_INCR_WRAP_EXT
:
1080 imesa
->regs
.s4
.stencilCtrl
.ni
.passZfailOp
= STC_FAIL_Inc
;
1082 case GL_DECR_WRAP_EXT
:
1083 imesa
->regs
.s4
.stencilCtrl
.ni
.passZfailOp
= STC_FAIL_Dec
;
1087 switch (ctx
->Stencil
.ZPassFunc
[0])
1090 imesa
->regs
.s4
.stencilCtrl
.ni
.passZpassOp
= STC_FAIL_Keep
;
1093 imesa
->regs
.s4
.stencilCtrl
.ni
.passZpassOp
= STC_FAIL_Zero
;
1096 imesa
->regs
.s4
.stencilCtrl
.ni
.passZpassOp
= STC_FAIL_Equal
;
1099 imesa
->regs
.s4
.stencilCtrl
.ni
.passZpassOp
= STC_FAIL_IncClamp
;
1102 imesa
->regs
.s4
.stencilCtrl
.ni
.passZpassOp
= STC_FAIL_DecClamp
;
1105 imesa
->regs
.s4
.stencilCtrl
.ni
.passZpassOp
= STC_FAIL_Invert
;
1107 case GL_INCR_WRAP_EXT
:
1108 imesa
->regs
.s4
.stencilCtrl
.ni
.passZpassOp
= STC_FAIL_Inc
;
1110 case GL_DECR_WRAP_EXT
:
1111 imesa
->regs
.s4
.stencilCtrl
.ni
.passZpassOp
= STC_FAIL_Dec
;
1115 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
1119 /* =============================================================
1122 static void savageDDEnable_s4(GLcontext
*ctx
, GLenum cap
, GLboolean state
)
1125 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
1128 /* we should consider the disable case*/
1129 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
1130 savageBlendFunc_s4(ctx
);
1133 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
1134 /*Can't find Enable bit in the 3D registers.*/
1135 /* For some reason enable(GL_BLEND) affects ColorLogicOpEnabled.
1137 FALLBACK (ctx
, SAVAGE_FALLBACK_LOGICOP
,
1138 (ctx
->Color
.ColorLogicOpEnabled
&&
1139 ctx
->Color
.LogicOp
!= GL_COPY
));
1140 /*add the savageBlendFunc 2001/11/25
1141 * if call no such function, then glDisable(GL_BLEND) will do noting,
1142 *our chip has no disable bit
1144 savageBlendFunc_s4(ctx
);
1147 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
1148 savageDDDepthFunc_s4(ctx
,ctx
->Depth
.Func
);
1150 case GL_SCISSOR_TEST
:
1151 imesa
->scissor
= state
;
1152 imesa
->dirty
|= SAVAGE_UPLOAD_CLIPRECTS
;
1154 case GL_STENCIL_TEST
:
1155 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
1156 if (!imesa
->hw_stencil
)
1157 FALLBACK (ctx
, SAVAGE_FALLBACK_STENCIL
, state
);
1159 imesa
->regs
.s4
.stencilCtrl
.ni
.stencilEn
= state
;
1160 if (ctx
->Stencil
.Enabled
&&
1161 imesa
->regs
.s4
.zBufCtrl
.ni
.zBufEn
!= GL_TRUE
)
1163 /* Stencil buffer requires Z enabled. */
1164 imesa
->regs
.s4
.zBufCtrl
.ni
.zCmpFunc
= CF_Always
;
1165 imesa
->regs
.s4
.zBufCtrl
.ni
.zBufEn
= GL_TRUE
;
1166 imesa
->regs
.s4
.drawLocalCtrl
.ni
.zUpdateEn
= GL_FALSE
;
1168 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
1172 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
1173 savageDDFogfv(ctx
,0,0);
1179 savageDDCullFaceFrontFace(ctx
,0);
1183 imesa
->LcsCullMode
= BCM_None
;
1184 imesa
->new_state
|= SAVAGE_NEW_CULL
;
1189 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
1192 if ( ctx
->Color
.DitherFlag
)
1194 imesa
->regs
.s4
.drawCtrl1
.ni
.ditherEn
=GL_TRUE
;
1197 if (!ctx
->Color
.DitherFlag
)
1199 imesa
->regs
.s4
.drawCtrl1
.ni
.ditherEn
=GL_FALSE
;
1204 savageUpdateSpecular_s4 (ctx
);
1208 imesa
->new_state
|= SAVAGE_NEW_TEXTURE
;
1211 imesa
->new_state
|= SAVAGE_NEW_TEXTURE
;
1217 static void savageDDEnable_s3d(GLcontext
*ctx
, GLenum cap
, GLboolean state
)
1220 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
1223 /* we should consider the disable case*/
1224 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
1225 savageBlendFunc_s3d(ctx
);
1228 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
1229 /*Can't find Enable bit in the 3D registers.*/
1230 /* For some reason enable(GL_BLEND) affects ColorLogicOpEnabled.
1232 FALLBACK (ctx
, SAVAGE_FALLBACK_LOGICOP
,
1233 (ctx
->Color
.ColorLogicOpEnabled
&&
1234 ctx
->Color
.LogicOp
!= GL_COPY
));
1235 /*add the savageBlendFunc 2001/11/25
1236 * if call no such function, then glDisable(GL_BLEND) will do noting,
1237 *our chip has no disable bit
1239 savageBlendFunc_s3d(ctx
);
1242 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
1243 savageDDDepthFunc_s3d(ctx
,ctx
->Depth
.Func
);
1245 case GL_SCISSOR_TEST
:
1246 imesa
->scissor
= state
;
1247 imesa
->dirty
|= SAVAGE_UPLOAD_CLIPRECTS
;
1249 case GL_STENCIL_TEST
:
1250 FALLBACK (ctx
, SAVAGE_FALLBACK_STENCIL
, state
);
1253 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
1254 savageDDFogfv(ctx
,0,0);
1260 savageDDCullFaceFrontFace(ctx
,0);
1264 imesa
->LcsCullMode
= BCM_None
;
1265 imesa
->new_state
|= SAVAGE_NEW_CULL
;
1270 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
1273 if ( ctx
->Color
.DitherFlag
)
1275 imesa
->regs
.s3d
.drawCtrl
.ni
.ditherEn
=GL_TRUE
;
1278 if (!ctx
->Color
.DitherFlag
)
1280 imesa
->regs
.s3d
.drawCtrl
.ni
.ditherEn
=GL_FALSE
;
1285 savageUpdateSpecular_s3d (ctx
);
1289 imesa
->new_state
|= SAVAGE_NEW_TEXTURE
;
1292 imesa
->new_state
|= SAVAGE_NEW_TEXTURE
;
1299 void savageDDUpdateHwState( GLcontext
*ctx
)
1301 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
1303 if (imesa
->new_state
) {
1306 if (imesa
->new_state
& SAVAGE_NEW_TEXTURE
) {
1307 savageUpdateTextureState( ctx
);
1309 if ((imesa
->new_state
& SAVAGE_NEW_CULL
)) {
1310 savageUpdateCull(ctx
);
1312 imesa
->new_state
= 0;
1317 void savageEmitDrawingRectangle( savageContextPtr imesa
)
1319 __DRIdrawablePrivate
*dPriv
= imesa
->driDrawable
;
1320 savageScreenPrivate
*savageScreen
= imesa
->savageScreen
;
1321 drm_clip_rect_t
*pbox
;
1325 int x0
= imesa
->drawX
;
1326 int y0
= imesa
->drawY
;
1327 int x1
= x0
+ dPriv
->w
;
1328 int y1
= y0
+ dPriv
->h
;
1330 pbox
= dPriv
->pClipRects
;
1331 nbox
= dPriv
->numClipRects
;
1335 /* Coordinate origin of the window - may be offscreen.
1337 /* imesa->BufferSetup[SAVAGE_DESTREG_DR4] = ((y0<<16) |
1338 (((unsigned)x0)&0xFFFF));*/
1344 if (x1
> savageScreen
->width
) x1
= savageScreen
->width
;
1345 if (y1
> savageScreen
->height
) y1
= savageScreen
->height
;
1350 imesa
->draw_rect
.x1
= MAX2(x0
,pbox
->x1
);
1351 imesa
->draw_rect
.y1
= MAX2(y0
,pbox
->y1
);
1352 imesa
->draw_rect
.x2
= MIN2(x1
,pbox
->x2
);
1353 imesa
->draw_rect
.y2
= MIN2(y1
,pbox
->y2
);
1357 imesa
->draw_rect
.x1
= x0
;
1358 imesa
->draw_rect
.y1
= y0
;
1359 imesa
->draw_rect
.x2
= x1
;
1360 imesa
->draw_rect
.y2
= y1
;
1363 imesa
->scissorChanged
= GL_TRUE
;
1365 /* imesa->regs.ni.changed.ni.fDrawCtrl0Changed=GL_TRUE;
1366 imesa->regs.ni.changed.ni.fDrawCtrl1Changed=GL_TRUE;*/
1368 savageCalcViewport (imesa
->glCtx
);
1370 imesa
->dirty
|= SAVAGE_UPLOAD_BUFFERS
;
1374 static void savageDDPrintDirty( const char *msg
, GLuint state
)
1376 fprintf(stderr
, "%s (0x%x): %s%s%s%s%s\n",
1378 (unsigned int) state
,
1379 (state
& SAVAGE_UPLOAD_TEX0IMAGE
) ? "upload-tex0, " : "",
1380 (state
& SAVAGE_UPLOAD_TEX1IMAGE
) ? "upload-tex1, " : "",
1381 (state
& SAVAGE_UPLOAD_CTX
) ? "upload-ctx, " : "",
1382 (state
& SAVAGE_UPLOAD_BUFFERS
) ? "upload-bufs, " : "",
1383 (state
& SAVAGE_UPLOAD_CLIPRECTS
) ? "upload-cliprects, " : ""
1389 * Check if global registers were changed
1391 static GLboolean
savageGlobalRegChanged (savageContextPtr imesa
,
1392 GLuint first
, GLuint last
) {
1394 for (i
= first
- SAVAGE_FIRST_REG
; i
<= last
- SAVAGE_FIRST_REG
; ++i
) {
1395 if (((imesa
->oldRegs
.ui
[i
] ^ imesa
->regs
.ui
[i
]) &
1396 imesa
->globalRegMask
.ui
[i
]) != 0)
1401 static void savageEmitContiguousRegs (savageContextPtr imesa
,
1402 GLuint first
, GLuint last
) {
1404 u_int32_t
*pBCIBase
;
1405 pBCIBase
= savageDMAAlloc (imesa
, last
- first
+ 2);
1406 WRITE_CMD (pBCIBase
, SET_REGISTER(first
, last
- first
+ 1), u_int32_t
);
1408 for (i
= first
- SAVAGE_FIRST_REG
; i
<= last
- SAVAGE_FIRST_REG
; ++i
) {
1409 WRITE_CMD (pBCIBase
, imesa
->regs
.ui
[i
], u_int32_t
);
1410 imesa
->oldRegs
.ui
[i
] = imesa
->regs
.ui
[i
];
1412 savageDMACommit (imesa
, pBCIBase
);
1414 static void savageEmitChangedRegs (savageContextPtr imesa
,
1415 GLuint first
, GLuint last
) {
1416 GLuint i
, firstChanged
;
1417 firstChanged
= SAVAGE_NR_REGS
;
1418 for (i
= first
- SAVAGE_FIRST_REG
; i
<= last
- SAVAGE_FIRST_REG
; ++i
) {
1419 if (imesa
->oldRegs
.ui
[i
] != imesa
->regs
.ui
[i
]) {
1420 if (firstChanged
== SAVAGE_NR_REGS
)
1423 if (firstChanged
!= SAVAGE_NR_REGS
) {
1424 savageEmitContiguousRegs (imesa
, firstChanged
+SAVAGE_FIRST_REG
,
1425 i
-1+SAVAGE_FIRST_REG
);
1426 firstChanged
= SAVAGE_NR_REGS
;
1430 if (firstChanged
!= SAVAGE_NR_REGS
)
1431 savageEmitContiguousRegs (imesa
, firstChanged
+SAVAGE_FIRST_REG
,
1434 static void savageEmitChangedRegChunk (savageContextPtr imesa
,
1435 GLuint first
, GLuint last
) {
1437 for (i
= first
- SAVAGE_FIRST_REG
; i
<= last
- SAVAGE_FIRST_REG
; ++i
) {
1438 if (imesa
->oldRegs
.ui
[i
] != imesa
->regs
.ui
[i
]) {
1439 savageEmitContiguousRegs (imesa
, first
, last
);
1444 static void savageUpdateRegister_s4(savageContextPtr imesa
)
1446 u_int32_t
*pBCIBase
;
1449 * Scissors updates drawctrl0 and drawctrl 1
1451 if (imesa
->scissorChanged
)
1455 imesa
->regs
.s4
.drawCtrl0
.ni
.scissorXStart
= imesa
->scissor_rect
.x1
;
1456 imesa
->regs
.s4
.drawCtrl0
.ni
.scissorYStart
= imesa
->scissor_rect
.y1
;
1457 imesa
->regs
.s4
.drawCtrl1
.ni
.scissorXEnd
= imesa
->scissor_rect
.x2
-1;
1458 imesa
->regs
.s4
.drawCtrl1
.ni
.scissorYEnd
= imesa
->scissor_rect
.y2
-1;
1462 imesa
->regs
.s4
.drawCtrl0
.ni
.scissorXStart
= imesa
->draw_rect
.x1
;
1463 imesa
->regs
.s4
.drawCtrl0
.ni
.scissorYStart
= imesa
->draw_rect
.y1
;
1464 imesa
->regs
.s4
.drawCtrl1
.ni
.scissorXEnd
= imesa
->draw_rect
.x2
-1;
1465 imesa
->regs
.s4
.drawCtrl1
.ni
.scissorYEnd
= imesa
->draw_rect
.y2
-1;
1469 /* the savage4 uses the contiguous range of BCI registers 0x1e-0x39
1470 * 0x1e-0x27 are local, no need to check them for global changes */
1471 if (imesa
->lostContext
|| savageGlobalRegChanged (imesa
, 0x28, 0x39)) {
1472 pBCIBase
= savageDMAAlloc (imesa
, 1);
1473 WRITE_CMD (pBCIBase
, WAIT_3D_IDLE
, u_int32_t
);
1474 savageDMACommit (imesa
, pBCIBase
);
1476 if (imesa
->lostContext
)
1477 savageEmitContiguousRegs (imesa
, 0x1e, 0x39);
1479 savageEmitChangedRegs (imesa
, 0x1e, 0x39);
1482 imesa
->lostContext
= GL_FALSE
;
1484 static void savageUpdateRegister_s3d(savageContextPtr imesa
)
1486 u_int32_t
*pBCIBase
;
1488 if (imesa
->scissorChanged
)
1492 imesa
->regs
.s3d
.scissorsStart
.ni
.scissorXStart
=
1493 imesa
->scissor_rect
.x1
;
1494 imesa
->regs
.s3d
.scissorsStart
.ni
.scissorYStart
=
1495 imesa
->scissor_rect
.y1
;
1496 imesa
->regs
.s3d
.scissorsEnd
.ni
.scissorXEnd
=
1497 imesa
->scissor_rect
.x2
-1;
1498 imesa
->regs
.s3d
.scissorsEnd
.ni
.scissorYEnd
=
1499 imesa
->scissor_rect
.y2
-1;
1503 imesa
->regs
.s3d
.scissorsStart
.ni
.scissorXStart
=
1504 imesa
->draw_rect
.x1
;
1505 imesa
->regs
.s3d
.scissorsStart
.ni
.scissorYStart
=
1506 imesa
->draw_rect
.y1
;
1507 imesa
->regs
.s3d
.scissorsEnd
.ni
.scissorXEnd
=
1508 imesa
->draw_rect
.x2
-1;
1509 imesa
->regs
.s3d
.scissorsEnd
.ni
.scissorYEnd
=
1510 imesa
->draw_rect
.y2
-1;
1514 /* Some temporary hacks to workaround lockups. Not sure if they are
1515 * still needed. But they work for now. */
1516 imesa
->regs
.s3d
.drawCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
1517 imesa
->regs
.s3d
.drawCtrl
.ni
.flushPdZbufWrites
= GL_TRUE
;
1519 /* the savage3d uses two contiguous ranges of BCI registers:
1520 * 0x18-0x1c and 0x20-0x38. The first range is local. */
1521 if (imesa
->lostContext
|| savageGlobalRegChanged (imesa
, 0x20, 0x38)) {
1522 pBCIBase
= savageDMAAlloc (imesa
, 1);
1523 WRITE_CMD (pBCIBase
, WAIT_3D_IDLE
, u_int32_t
);
1524 savageDMACommit (imesa
, pBCIBase
);
1526 /* FIXME: watermark registers aren't programmed correctly ATM */
1527 if (imesa
->lostContext
) {
1528 savageEmitContiguousRegs (imesa
, 0x18, 0x1c);
1529 savageEmitContiguousRegs (imesa
, 0x20, 0x36);
1531 /* On the Savage IX texture registers (at least some of them)
1532 * have to be emitted as one chunk. */
1533 savageEmitChangedRegs (imesa
, 0x18, 0x19);
1534 savageEmitChangedRegChunk (imesa
, 0x1a, 0x1c);
1535 savageEmitChangedRegs (imesa
, 0x20, 0x36);
1539 imesa
->lostContext
= GL_FALSE
;
1544 /* Push the state into the sarea and/or texture memory.
1546 void savageEmitHwStateLocked( savageContextPtr imesa
)
1548 if (SAVAGE_DEBUG
& DEBUG_VERBOSE_API
)
1549 savageDDPrintDirty( "\n\n\nsavageEmitHwStateLocked", imesa
->dirty
);
1551 if (imesa
->dirty
& ~SAVAGE_UPLOAD_CLIPRECTS
)
1553 if (imesa
->dirty
& (SAVAGE_UPLOAD_CTX
| SAVAGE_UPLOAD_TEX0
| \
1554 SAVAGE_UPLOAD_TEX1
| SAVAGE_UPLOAD_BUFFERS
))
1557 /*SAVAGE_STATE_COPY(imesa);*/
1558 /* update state to hw*/
1559 if (imesa
->driDrawable
&&imesa
->driDrawable
->numClipRects
==0 )
1563 if (imesa
->savageScreen
->chipset
>= S3_SAVAGE4
)
1564 savageUpdateRegister_s4(imesa
);
1566 savageUpdateRegister_s3d(imesa
);
1569 imesa
->sarea
->dirty
|= (imesa
->dirty
&
1570 ~(SAVAGE_UPLOAD_TEX1
|SAVAGE_UPLOAD_TEX0
));
1571 imesa
->dirty
&= SAVAGE_UPLOAD_CLIPRECTS
;
1577 static void savageDDInitState_s4( savageContextPtr imesa
)
1580 imesa
->regs
.s4
.destCtrl
.ui
= 1<<7;
1583 imesa
->regs
.s4
.zBufCtrl
.ni
.zCmpFunc
= CF_Less
;
1584 imesa
->regs
.s4
.zBufCtrl
.ni
.wToZEn
= GL_TRUE
;
1585 /*imesa->regs.s4.ZBufCtrl.ni.floatZEn = GL_TRUE;*/
1586 imesa
->regs
.s4
.texBlendCtrl
[0].ui
= TBC_NoTexMap
;
1587 imesa
->regs
.s4
.texBlendCtrl
[1].ui
= TBC_NoTexMap1
;
1588 imesa
->regs
.s4
.drawCtrl0
.ui
= 0;
1590 imesa
->regs
.s4
.drawCtrl1
.ni
.xyOffsetEn
= 1;
1593 /* Set DestTexWatermarks_31,30 to 01 always.
1594 *Has no effect if dest. flush is disabled.
1597 imesa
->regs
.s4
.zWatermarks
.ui
= 0x12000C04;
1598 imesa
->regs
.s4
.destTexWatermarks
.ui
= 0x40200400;
1600 imesa
->regs
.s4
.zWatermarks
.ui
= 0x16001808;
1601 imesa
->regs
.s4
.destTexWatermarks
.ui
= 0x4f000000;
1603 imesa
->regs
.s4
.drawCtrl0
.ni
.dPerfAccelEn
= GL_TRUE
;
1605 /* clrCmpAlphaBlendCtrl is needed to get alphatest and
1606 * alpha blending working properly
1609 imesa
->regs
.s4
.texCtrl
[0].ni
.dBias
= 0x08;
1610 imesa
->regs
.s4
.texCtrl
[1].ni
.dBias
= 0x08;
1611 imesa
->regs
.s4
.texCtrl
[0].ni
.texXprEn
= GL_TRUE
;
1612 imesa
->regs
.s4
.texCtrl
[1].ni
.texXprEn
= GL_TRUE
;
1613 imesa
->regs
.s4
.texCtrl
[0].ni
.dMax
= 0x0f;
1614 imesa
->regs
.s4
.texCtrl
[1].ni
.dMax
= 0x0f;
1615 imesa
->regs
.s4
.drawLocalCtrl
.ni
.drawUpdateEn
= GL_TRUE
;
1616 imesa
->regs
.s4
.drawLocalCtrl
.ni
.srcAlphaMode
= SAM_One
;
1617 imesa
->regs
.s4
.drawLocalCtrl
.ni
.wrZafterAlphaTst
= GL_FALSE
;
1618 imesa
->regs
.s4
.drawLocalCtrl
.ni
.flushPdZbufWrites
= GL_TRUE
;
1619 imesa
->regs
.s4
.drawLocalCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
1621 imesa
->regs
.s4
.drawLocalCtrl
.ni
.zUpdateEn
= GL_TRUE
;
1622 imesa
->regs
.s4
.drawCtrl1
.ni
.ditherEn
=GL_TRUE
;
1623 imesa
->regs
.s4
.drawCtrl1
.ni
.cullMode
= BCM_None
;
1625 imesa
->regs
.s4
.zBufCtrl
.ni
.stencilRefVal
= 0x00;
1627 imesa
->regs
.s4
.stencilCtrl
.ni
.stencilEn
= GL_FALSE
;
1628 imesa
->regs
.s4
.stencilCtrl
.ni
.cmpFunc
= CF_Always
;
1629 imesa
->regs
.s4
.stencilCtrl
.ni
.failOp
= STC_FAIL_Keep
;
1630 imesa
->regs
.s4
.stencilCtrl
.ni
.passZfailOp
= STC_FAIL_Keep
;
1631 imesa
->regs
.s4
.stencilCtrl
.ni
.passZpassOp
= STC_FAIL_Keep
;
1632 imesa
->regs
.s4
.stencilCtrl
.ni
.writeMask
= 0xff;
1633 imesa
->regs
.s4
.stencilCtrl
.ni
.readMask
= 0xff;
1635 imesa
->LcsCullMode
=BCM_None
;
1636 imesa
->regs
.s4
.texDescr
.ni
.palSize
= TPS_256
;
1638 /* clear the local registers in the global reg mask */
1639 imesa
->globalRegMask
.s4
.drawLocalCtrl
.ui
= 0;
1640 imesa
->globalRegMask
.s4
.texPalAddr
.ui
= 0;
1641 imesa
->globalRegMask
.s4
.texCtrl
[0].ui
= 0;
1642 imesa
->globalRegMask
.s4
.texCtrl
[1].ui
= 0;
1643 imesa
->globalRegMask
.s4
.texAddr
[0].ui
= 0;
1644 imesa
->globalRegMask
.s4
.texAddr
[1].ui
= 0;
1645 imesa
->globalRegMask
.s4
.texBlendCtrl
[0].ui
= 0;
1646 imesa
->globalRegMask
.s4
.texBlendCtrl
[1].ui
= 0;
1647 imesa
->globalRegMask
.s4
.texXprClr
.ui
= 0;
1648 imesa
->globalRegMask
.s4
.texDescr
.ui
= 0;
1650 static void savageDDInitState_s3d( savageContextPtr imesa
)
1653 imesa
->regs
.s3d
.destCtrl
.ui
= 1<<7;
1656 imesa
->regs
.s3d
.zBufCtrl
.ni
.zCmpFunc
= CF_Less
;
1658 imesa
->regs
.s3d
.drawCtrl
.ni
.xyOffsetEn
= 1;
1661 /* Set DestTexWatermarks_31,30 to 01 always.
1662 *Has no effect if dest. flush is disabled.
1665 imesa
->regs
.s3d
.zWatermarks
.ui
= 0x12000C04;
1666 imesa
->regs
.s3d
.destTexWatermarks
.ui
= 0x40200400;
1668 imesa
->regs
.s3d
.zWatermarks
.ui
= 0x16001808;
1669 imesa
->regs
.s3d
.destTexWatermarks
.ui
= 0x4f000000;
1672 /* clrCmpAlphaBlendCtrl is needed to get alphatest and
1673 * alpha blending working properly
1676 imesa
->regs
.s3d
.texCtrl
.ni
.dBias
= 0x08;
1677 imesa
->regs
.s3d
.texCtrl
.ni
.texXprEn
= GL_TRUE
;
1679 imesa
->regs
.s3d
.zBufCtrl
.ni
.drawUpdateEn
= GL_TRUE
;
1680 imesa
->regs
.s3d
.zBufCtrl
.ni
.wrZafterAlphaTst
= GL_FALSE
;
1681 imesa
->regs
.s3d
.zBufCtrl
.ni
.zUpdateEn
= GL_TRUE
;
1683 imesa
->regs
.s3d
.drawCtrl
.ni
.srcAlphaMode
= SAM_One
;
1684 imesa
->regs
.s3d
.drawCtrl
.ni
.flushPdZbufWrites
= GL_TRUE
;
1685 imesa
->regs
.s3d
.drawCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
1687 imesa
->regs
.s3d
.drawCtrl
.ni
.ditherEn
= GL_TRUE
;
1688 imesa
->regs
.s3d
.drawCtrl
.ni
.cullMode
= BCM_None
;
1690 imesa
->LcsCullMode
= BCM_None
;
1691 imesa
->regs
.s3d
.texDescr
.ni
.palSize
= TPS_256
;
1693 /* clear the local registers in the global reg mask */
1694 imesa
->globalRegMask
.s3d
.texPalAddr
.ui
= 0;
1695 imesa
->globalRegMask
.s3d
.texXprClr
.ui
= 0;
1696 imesa
->globalRegMask
.s3d
.texAddr
.ui
= 0;
1697 imesa
->globalRegMask
.s3d
.texDescr
.ui
= 0;
1698 imesa
->globalRegMask
.s3d
.texCtrl
.ui
= 0;
1700 imesa
->globalRegMask
.s3d
.fogCtrl
.ui
= 0;
1702 /* drawCtrl is local with some exceptions */
1703 imesa
->globalRegMask
.s3d
.drawCtrl
.ui
= 0;
1704 imesa
->globalRegMask
.s3d
.drawCtrl
.ni
.cullMode
= 0x3;
1705 imesa
->globalRegMask
.s3d
.drawCtrl
.ni
.alphaTestCmpFunc
= 0x7;
1706 imesa
->globalRegMask
.s3d
.drawCtrl
.ni
.alphaTestEn
= 0x1;
1707 imesa
->globalRegMask
.s3d
.drawCtrl
.ni
.alphaRefVal
= 0xff;
1709 /* zBufCtrl is local with some exceptions */
1710 imesa
->globalRegMask
.s3d
.zBufCtrl
.ui
= 0;
1711 imesa
->globalRegMask
.s3d
.zBufCtrl
.ni
.zCmpFunc
= 0x7;
1712 imesa
->globalRegMask
.s3d
.zBufCtrl
.ni
.zBufEn
= 0x1;
1714 void savageDDInitState( savageContextPtr imesa
) {
1715 memset (imesa
->regs
.ui
, 0, SAVAGE_NR_REGS
*sizeof(u_int32_t
));
1716 memset (imesa
->oldRegs
.ui
, 0, SAVAGE_NR_REGS
*sizeof(u_int32_t
));
1717 memset (imesa
->globalRegMask
.ui
, 0xff, SAVAGE_NR_REGS
*sizeof(u_int32_t
));
1718 if (imesa
->savageScreen
->chipset
>= S3_SAVAGE4
)
1719 savageDDInitState_s4 (imesa
);
1721 savageDDInitState_s3d (imesa
);
1723 /*fprintf(stderr,"DBflag:%d\n",imesa->glCtx->Visual->DBflag);*/
1724 /* zbufoffset and destctrl have the same position and layout on
1725 * savage4 and savage3d. */
1726 imesa
->regs
.s4
.destCtrl
.ni
.offset
= imesa
->savageScreen
->backOffset
>>11;
1727 if(imesa
->savageScreen
->cpp
== 2)
1729 imesa
->regs
.s4
.destCtrl
.ni
.dstPixFmt
= 0;
1730 imesa
->regs
.s4
.destCtrl
.ni
.dstWidthInTile
=
1731 (imesa
->savageScreen
->width
+63)>>6;
1735 imesa
->regs
.s4
.destCtrl
.ni
.dstPixFmt
= 1;
1736 imesa
->regs
.s4
.destCtrl
.ni
.dstWidthInTile
=
1737 (imesa
->savageScreen
->width
+31)>>5;
1740 imesa
->IsDouble
= GL_TRUE
;
1742 imesa
->NotFirstFrame
= GL_FALSE
;
1743 imesa
->regs
.s4
.zBufOffset
.ni
.offset
=imesa
->savageScreen
->depthOffset
>>11;
1744 if(imesa
->savageScreen
->zpp
== 2)
1746 imesa
->regs
.s4
.zBufOffset
.ni
.zBufWidthInTiles
=
1747 (imesa
->savageScreen
->width
+63)>>6;
1748 imesa
->regs
.s4
.zBufOffset
.ni
.zDepthSelect
= 0;
1752 imesa
->regs
.s4
.zBufOffset
.ni
.zBufWidthInTiles
=
1753 (imesa
->savageScreen
->width
+31)>>5;
1754 imesa
->regs
.s4
.zBufOffset
.ni
.zDepthSelect
= 1;
1757 if (imesa
->glCtx
->Color
._DrawDestMask
[0] == DD_BACK_LEFT_BIT
) {
1758 if(imesa
->IsFullScreen
)
1760 imesa
->toggle
= TARGET_BACK
;
1762 imesa
->drawMap
= (char *)imesa
->apertureBase
[imesa
->toggle
];
1763 imesa
->readMap
= (char *)imesa
->apertureBase
[imesa
->toggle
];
1767 imesa
->drawMap
= (char *)imesa
->apertureBase
[TARGET_BACK
];
1768 imesa
->readMap
= (char *)imesa
->apertureBase
[TARGET_BACK
];
1773 if(imesa
->IsFullScreen
)
1775 imesa
->toggle
= TARGET_BACK
;
1777 imesa
->drawMap
= (char *)imesa
->apertureBase
[imesa
->toggle
];
1778 imesa
->readMap
= (char *)imesa
->apertureBase
[imesa
->toggle
];
1782 imesa
->drawMap
= (char *)imesa
->apertureBase
[TARGET_BACK
];
1783 imesa
->readMap
= (char *)imesa
->apertureBase
[TARGET_BACK
];
1789 #define INTERESTED (~(NEW_MODELVIEW|NEW_PROJECTION|\
1790 NEW_TEXTURE_MATRIX|\
1791 NEW_USER_CLIP|NEW_CLIENT_STATE))
1793 void savageDDRenderStart(GLcontext
*ctx
)
1795 savageContextPtr imesa
= SAVAGE_CONTEXT( ctx
);
1796 __DRIdrawablePrivate
*dPriv
= imesa
->driDrawable
;
1797 drm_clip_rect_t
*pbox
;
1800 /* if the screen is overrided by other application. set the scissor.
1801 * In MulitPass, re-render the screen.
1803 pbox
= dPriv
->pClipRects
;
1804 nbox
= dPriv
->numClipRects
;
1807 imesa
->currentClip
= nbox
;
1808 /* set scissor to the first clip box*/
1809 savageDDScissor(ctx
,pbox
->x1
,pbox
->y1
,pbox
->x2
,pbox
->y2
);
1811 /*savageDDUpdateHwState(ctx);*/ /* update to hardware register*/
1813 else /* need not render at all*/
1815 /*ctx->VB->CopyStart = ctx->VB->Count;*/
1820 void savageDDRenderEnd(GLcontext
*ctx
)
1824 static void savageDDInvalidateState( GLcontext
*ctx
, GLuint new_state
)
1826 _swrast_InvalidateState( ctx
, new_state
);
1827 _swsetup_InvalidateState( ctx
, new_state
);
1828 _ac_InvalidateState( ctx
, new_state
);
1829 _tnl_InvalidateState( ctx
, new_state
);
1830 SAVAGE_CONTEXT(ctx
)->new_gl_state
|= new_state
;
1834 void savageDDInitStateFuncs(GLcontext
*ctx
)
1836 ctx
->Driver
.UpdateState
= savageDDInvalidateState
;
1837 ctx
->Driver
.BlendEquationSeparate
= savageDDBlendEquationSeparate
;
1838 ctx
->Driver
.Fogfv
= savageDDFogfv
;
1839 ctx
->Driver
.Scissor
= savageDDScissor
;
1841 ctx
->Driver
.CullFace
= savageDDCullFaceFrontFace
;
1842 ctx
->Driver
.FrontFace
= savageDDCullFaceFrontFace
;
1844 ctx
->Driver
.CullFace
= 0;
1845 ctx
->Driver
.FrontFace
= 0;
1846 #endif /* end #if HW_CULL */
1847 ctx
->Driver
.PolygonMode
=NULL
;
1848 ctx
->Driver
.PolygonStipple
= 0;
1849 ctx
->Driver
.LineStipple
= 0;
1850 ctx
->Driver
.LineWidth
= 0;
1851 ctx
->Driver
.LogicOpcode
= 0;
1852 ctx
->Driver
.DrawBuffer
= savageDDDrawBuffer
;
1853 ctx
->Driver
.ReadBuffer
= savageDDReadBuffer
;
1854 ctx
->Driver
.ClearColor
= savageDDClearColor
;
1856 ctx
->Driver
.DepthRange
= savageDepthRange
;
1857 ctx
->Driver
.Viewport
= savageViewport
;
1858 ctx
->Driver
.RenderMode
= savageRenderMode
;
1860 ctx
->Driver
.ClearIndex
= 0;
1861 ctx
->Driver
.IndexMask
= 0;
1863 if (SAVAGE_CONTEXT( ctx
)->savageScreen
->chipset
>= S3_SAVAGE4
) {
1864 ctx
->Driver
.Enable
= savageDDEnable_s4
;
1865 ctx
->Driver
.AlphaFunc
= savageDDAlphaFunc_s4
;
1866 ctx
->Driver
.DepthFunc
= savageDDDepthFunc_s4
;
1867 ctx
->Driver
.DepthMask
= savageDDDepthMask_s4
;
1868 ctx
->Driver
.BlendFuncSeparate
= savageDDBlendFuncSeparate_s4
;
1869 ctx
->Driver
.ColorMask
= savageDDColorMask_s4
;
1870 ctx
->Driver
.ShadeModel
= savageDDShadeModel_s4
;
1871 ctx
->Driver
.LightModelfv
= savageDDLightModelfv_s4
;
1872 ctx
->Driver
.StencilFunc
= savageDDStencilFunc
;
1873 ctx
->Driver
.StencilMask
= savageDDStencilMask
;
1874 ctx
->Driver
.StencilOp
= savageDDStencilOp
;
1876 ctx
->Driver
.Enable
= savageDDEnable_s3d
;
1877 ctx
->Driver
.AlphaFunc
= savageDDAlphaFunc_s3d
;
1878 ctx
->Driver
.DepthFunc
= savageDDDepthFunc_s3d
;
1879 ctx
->Driver
.DepthMask
= savageDDDepthMask_s3d
;
1880 ctx
->Driver
.BlendFuncSeparate
= savageDDBlendFuncSeparate_s3d
;
1881 ctx
->Driver
.ColorMask
= savageDDColorMask_s3d
;
1882 ctx
->Driver
.ShadeModel
= savageDDShadeModel_s3d
;
1883 ctx
->Driver
.LightModelfv
= savageDDLightModelfv_s3d
;
1884 ctx
->Driver
.StencilFunc
= 0;
1885 ctx
->Driver
.StencilMask
= 0;
1886 ctx
->Driver
.StencilOp
= 0;
1889 /* Swrast hooks for imaging extensions:
1891 ctx
->Driver
.CopyColorTable
= _swrast_CopyColorTable
;
1892 ctx
->Driver
.CopyColorSubTable
= _swrast_CopyColorSubTable
;
1893 ctx
->Driver
.CopyConvolutionFilter1D
= _swrast_CopyConvolutionFilter1D
;
1894 ctx
->Driver
.CopyConvolutionFilter2D
= _swrast_CopyConvolutionFilter2D
;