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.
35 #include "savagecontext.h"
37 #include "savagestate.h"
38 #include "savagetex.h"
39 #include "savagetris.h"
40 #include "savageioctl.h"
41 #include "savage_bci.h"
43 #include "swrast/swrast.h"
44 #include "array_cache/acache.h"
46 #include "swrast_setup/swrast_setup.h"
48 static void savageBlendFunc_s4(GLcontext
*);
49 static void savageBlendFunc_s3d(GLcontext
*);
51 static __inline__ GLuint
savagePackColor(GLuint format
,
57 return SAVAGEPACKCOLOR8888(r
,g
,b
,a
);
59 return SAVAGEPACKCOLOR565(r
,g
,b
);
67 static void savageDDAlphaFunc_s4(GLcontext
*ctx
, GLenum func
, GLfloat ref
)
69 /* This can be done in BlendFunc*/
70 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
71 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
72 savageBlendFunc_s4(ctx
);
74 static void savageDDAlphaFunc_s3d(GLcontext
*ctx
, GLenum func
, GLfloat ref
)
76 /* This can be done in BlendFunc*/
77 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
78 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
79 savageBlendFunc_s3d(ctx
);
82 static void savageDDBlendEquationSeparate(GLcontext
*ctx
,
83 GLenum modeRGB
, GLenum modeA
)
85 assert( modeRGB
== modeA
);
87 /* BlendEquation sets ColorLogicOpEnabled in an unexpected
90 FALLBACK( ctx
, SAVAGE_FALLBACK_LOGICOP
,
91 (ctx
->Color
.ColorLogicOpEnabled
&&
92 ctx
->Color
.LogicOp
!= GL_COPY
));
94 /* Can only do blend addition, not min, max, subtract, etc. */
95 FALLBACK( ctx
, SAVAGE_FALLBACK_BLEND_EQ
,
96 modeRGB
!= GL_FUNC_ADD
);
100 static void savageBlendFunc_s4(GLcontext
*ctx
)
102 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
104 /* set up draw control register (including blending, alpha
105 * test, and shading model)
108 imesa
->regs
.s4
.drawLocalCtrl
.ni
.flushPdDestWrites
= 0;
113 if(ctx
->Color
.BlendEnabled
){
114 switch (ctx
->Color
.BlendDstRGB
)
117 imesa
->regs
.s4
.drawLocalCtrl
.ni
.dstAlphaMode
= DAM_Zero
;
121 imesa
->regs
.s4
.drawLocalCtrl
.ni
.dstAlphaMode
= DAM_One
;
122 imesa
->regs
.s4
.drawLocalCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
126 imesa
->regs
.s4
.drawLocalCtrl
.ni
.dstAlphaMode
= DAM_SrcClr
;
127 imesa
->regs
.s4
.drawLocalCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
130 case GL_ONE_MINUS_SRC_COLOR
:
131 imesa
->regs
.s4
.drawLocalCtrl
.ni
.dstAlphaMode
= DAM_1SrcClr
;
132 imesa
->regs
.s4
.drawLocalCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
136 imesa
->regs
.s4
.drawLocalCtrl
.ni
.dstAlphaMode
= DAM_SrcAlpha
;
137 imesa
->regs
.s4
.drawLocalCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
140 case GL_ONE_MINUS_SRC_ALPHA
:
141 imesa
->regs
.s4
.drawLocalCtrl
.ni
.dstAlphaMode
= DAM_1SrcAlpha
;
142 imesa
->regs
.s4
.drawLocalCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
146 if (imesa
->glCtx
->Visual
.alphaBits
== 0)
148 imesa
->regs
.s4
.drawLocalCtrl
.ni
.dstAlphaMode
= DAM_One
;
152 imesa
->regs
.s4
.drawLocalCtrl
.ni
.dstAlphaMode
= DAM_DstAlpha
;
154 imesa
->regs
.s4
.drawLocalCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
157 case GL_ONE_MINUS_DST_ALPHA
:
158 if (imesa
->glCtx
->Visual
.alphaBits
== 0)
160 imesa
->regs
.s4
.drawLocalCtrl
.ni
.dstAlphaMode
= DAM_Zero
;
164 imesa
->regs
.s4
.drawLocalCtrl
.ni
.dstAlphaMode
=DAM_1DstAlpha
;
165 imesa
->regs
.s4
.drawLocalCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
170 switch (ctx
->Color
.BlendSrcRGB
)
173 imesa
->regs
.s4
.drawLocalCtrl
.ni
.srcAlphaMode
= SAM_Zero
;
177 imesa
->regs
.s4
.drawLocalCtrl
.ni
.srcAlphaMode
= SAM_One
;
181 imesa
->regs
.s4
.drawLocalCtrl
.ni
.srcAlphaMode
= SAM_DstClr
;
182 imesa
->regs
.s4
.drawLocalCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
185 case GL_ONE_MINUS_DST_COLOR
:
186 imesa
->regs
.s4
.drawLocalCtrl
.ni
.srcAlphaMode
= SAM_1DstClr
;
187 imesa
->regs
.s4
.drawLocalCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
191 imesa
->regs
.s4
.drawLocalCtrl
.ni
.srcAlphaMode
= SAM_SrcAlpha
;
194 case GL_ONE_MINUS_SRC_ALPHA
:
195 imesa
->regs
.s4
.drawLocalCtrl
.ni
.srcAlphaMode
= SAM_1SrcAlpha
;
199 if (imesa
->glCtx
->Visual
.alphaBits
== 0)
201 imesa
->regs
.s4
.drawLocalCtrl
.ni
.srcAlphaMode
= SAM_One
;
205 imesa
->regs
.s4
.drawLocalCtrl
.ni
.srcAlphaMode
= SAM_DstAlpha
;
206 imesa
->regs
.s4
.drawLocalCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
210 case GL_ONE_MINUS_DST_ALPHA
:
211 if (imesa
->glCtx
->Visual
.alphaBits
== 0)
213 imesa
->regs
.s4
.drawLocalCtrl
.ni
.srcAlphaMode
= SAM_Zero
;
217 imesa
->regs
.s4
.drawLocalCtrl
.ni
.srcAlphaMode
=SAM_1DstAlpha
;
218 imesa
->regs
.s4
.drawLocalCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
225 imesa
->regs
.s4
.drawLocalCtrl
.ni
.dstAlphaMode
= DAM_Zero
;
226 imesa
->regs
.s4
.drawLocalCtrl
.ni
.srcAlphaMode
= SAM_One
;
231 if(ctx
->Color
.AlphaEnabled
)
236 CLAMPED_FLOAT_TO_UBYTE(alphaRef
,ctx
->Color
.AlphaRef
);
238 switch(ctx
->Color
.AlphaFunc
) {
239 case GL_NEVER
: a
= CF_Never
; break;
240 case GL_ALWAYS
: a
= CF_Always
; break;
241 case GL_LESS
: a
= CF_Less
; break;
242 case GL_LEQUAL
: a
= CF_LessEqual
; break;
243 case GL_EQUAL
: a
= CF_Equal
; break;
244 case GL_GREATER
: a
= CF_Greater
; break;
245 case GL_GEQUAL
: a
= CF_GreaterEqual
; break;
246 case GL_NOTEQUAL
: a
= CF_NotEqual
; break;
250 imesa
->regs
.s4
.drawCtrl1
.ni
.alphaTestEn
= GL_TRUE
;
251 imesa
->regs
.s4
.drawCtrl1
.ni
.alphaTestCmpFunc
= a
;
252 imesa
->regs
.s4
.drawCtrl0
.ni
.alphaRefVal
= alphaRef
;
256 imesa
->regs
.s4
.drawCtrl1
.ni
.alphaTestEn
= GL_FALSE
;
259 /* Set/Reset Z-after-alpha*/
261 imesa
->regs
.s4
.drawLocalCtrl
.ni
.wrZafterAlphaTst
=
262 imesa
->regs
.s4
.drawCtrl1
.ni
.alphaTestEn
;
263 /*imesa->regs.s4.drawLocalCtrl.ni.zUpdateEn =
264 ~drawLocalCtrl.ni.wrZafterAlphaTst;*/
266 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
268 static void savageBlendFunc_s3d(GLcontext
*ctx
)
270 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
272 /* set up draw control register (including blending, alpha
273 * test, dithering, and shading model)
276 imesa
->regs
.s3d
.drawCtrl
.ni
.flushPdDestWrites
= 0;
281 if(ctx
->Color
.BlendEnabled
){
282 switch (ctx
->Color
.BlendDstRGB
)
285 imesa
->regs
.s3d
.drawCtrl
.ni
.dstAlphaMode
= DAM_Zero
;
289 imesa
->regs
.s3d
.drawCtrl
.ni
.dstAlphaMode
= DAM_One
;
290 imesa
->regs
.s3d
.drawCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
294 imesa
->regs
.s3d
.drawCtrl
.ni
.dstAlphaMode
= DAM_SrcClr
;
295 imesa
->regs
.s3d
.drawCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
298 case GL_ONE_MINUS_SRC_COLOR
:
299 imesa
->regs
.s3d
.drawCtrl
.ni
.dstAlphaMode
= DAM_1SrcClr
;
300 imesa
->regs
.s3d
.drawCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
304 imesa
->regs
.s3d
.drawCtrl
.ni
.dstAlphaMode
= DAM_SrcAlpha
;
305 imesa
->regs
.s3d
.drawCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
308 case GL_ONE_MINUS_SRC_ALPHA
:
309 imesa
->regs
.s3d
.drawCtrl
.ni
.dstAlphaMode
= DAM_1SrcAlpha
;
310 imesa
->regs
.s3d
.drawCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
314 if (imesa
->glCtx
->Visual
.alphaBits
== 0)
316 imesa
->regs
.s3d
.drawCtrl
.ni
.dstAlphaMode
= DAM_One
;
320 imesa
->regs
.s3d
.drawCtrl
.ni
.dstAlphaMode
= DAM_DstAlpha
;
322 imesa
->regs
.s3d
.drawCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
325 case GL_ONE_MINUS_DST_ALPHA
:
326 if (imesa
->glCtx
->Visual
.alphaBits
== 0)
328 imesa
->regs
.s3d
.drawCtrl
.ni
.dstAlphaMode
= DAM_Zero
;
332 imesa
->regs
.s3d
.drawCtrl
.ni
.dstAlphaMode
= DAM_1DstAlpha
;
333 imesa
->regs
.s3d
.drawCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
338 switch (ctx
->Color
.BlendSrcRGB
)
341 imesa
->regs
.s3d
.drawCtrl
.ni
.srcAlphaMode
= SAM_Zero
;
345 imesa
->regs
.s3d
.drawCtrl
.ni
.srcAlphaMode
= SAM_One
;
349 imesa
->regs
.s3d
.drawCtrl
.ni
.srcAlphaMode
= SAM_DstClr
;
350 imesa
->regs
.s3d
.drawCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
353 case GL_ONE_MINUS_DST_COLOR
:
354 imesa
->regs
.s3d
.drawCtrl
.ni
.srcAlphaMode
= SAM_1DstClr
;
355 imesa
->regs
.s3d
.drawCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
359 imesa
->regs
.s3d
.drawCtrl
.ni
.srcAlphaMode
= SAM_SrcAlpha
;
362 case GL_ONE_MINUS_SRC_ALPHA
:
363 imesa
->regs
.s3d
.drawCtrl
.ni
.srcAlphaMode
= SAM_1SrcAlpha
;
367 if (imesa
->glCtx
->Visual
.alphaBits
== 0)
369 imesa
->regs
.s3d
.drawCtrl
.ni
.srcAlphaMode
= SAM_One
;
373 imesa
->regs
.s3d
.drawCtrl
.ni
.srcAlphaMode
= SAM_DstAlpha
;
374 imesa
->regs
.s3d
.drawCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
378 case GL_ONE_MINUS_DST_ALPHA
:
379 if (imesa
->glCtx
->Visual
.alphaBits
== 0)
381 imesa
->regs
.s3d
.drawCtrl
.ni
.srcAlphaMode
= SAM_Zero
;
385 imesa
->regs
.s3d
.drawCtrl
.ni
.srcAlphaMode
= SAM_1DstAlpha
;
386 imesa
->regs
.s3d
.drawCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
393 imesa
->regs
.s3d
.drawCtrl
.ni
.dstAlphaMode
= DAM_Zero
;
394 imesa
->regs
.s3d
.drawCtrl
.ni
.srcAlphaMode
= SAM_One
;
399 if(ctx
->Color
.AlphaEnabled
)
404 CLAMPED_FLOAT_TO_UBYTE(alphaRef
,ctx
->Color
.AlphaRef
);
406 switch(ctx
->Color
.AlphaFunc
) {
407 case GL_NEVER
: a
= CF_Never
; break;
408 case GL_ALWAYS
: a
= CF_Always
; break;
409 case GL_LESS
: a
= CF_Less
; break;
410 case GL_LEQUAL
: a
= CF_LessEqual
; break;
411 case GL_EQUAL
: a
= CF_Equal
; break;
412 case GL_GREATER
: a
= CF_Greater
; break;
413 case GL_GEQUAL
: a
= CF_GreaterEqual
; break;
414 case GL_NOTEQUAL
: a
= CF_NotEqual
; break;
418 imesa
->regs
.s3d
.drawCtrl
.ni
.alphaTestEn
= GL_TRUE
;
419 imesa
->regs
.s3d
.drawCtrl
.ni
.alphaTestCmpFunc
= a
;
420 imesa
->regs
.s3d
.drawCtrl
.ni
.alphaRefVal
= alphaRef
;
424 imesa
->regs
.s3d
.drawCtrl
.ni
.alphaTestEn
= GL_FALSE
;
427 /* Set/Reset Z-after-alpha*/
429 imesa
->regs
.s3d
.zBufCtrl
.ni
.wrZafterAlphaTst
=
430 imesa
->regs
.s3d
.drawCtrl
.ni
.alphaTestEn
;
432 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
435 static void savageDDBlendFuncSeparate_s4( GLcontext
*ctx
, GLenum sfactorRGB
,
436 GLenum dfactorRGB
, GLenum sfactorA
,
439 assert (dfactorRGB
== dfactorA
&& sfactorRGB
== sfactorA
);
440 savageBlendFunc_s4( ctx
);
442 static void savageDDBlendFuncSeparate_s3d( GLcontext
*ctx
, GLenum sfactorRGB
,
443 GLenum dfactorRGB
, GLenum sfactorA
,
446 assert (dfactorRGB
== dfactorA
&& sfactorRGB
== sfactorA
);
447 savageBlendFunc_s3d( ctx
);
452 static void savageDDDepthFunc_s4(GLcontext
*ctx
, GLenum func
)
454 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
458 /* set up z-buffer control register (global)
459 * set up z-buffer offset register (global)
460 * set up z read/write watermarks register (global)
464 case GL_NEVER
: zmode
= CF_Never
; break;
465 case GL_ALWAYS
: zmode
= CF_Always
; break;
466 case GL_LESS
: zmode
= CF_Less
; break;
467 case GL_LEQUAL
: zmode
= CF_LessEqual
; break;
468 case GL_EQUAL
: zmode
= CF_Equal
; break;
469 case GL_GREATER
: zmode
= CF_Greater
; break;
470 case GL_GEQUAL
: zmode
= CF_GreaterEqual
; break;
471 case GL_NOTEQUAL
: zmode
= CF_NotEqual
; break;
477 imesa
->regs
.s4
.zBufCtrl
.ni
.zCmpFunc
= zmode
;
478 imesa
->regs
.s4
.drawLocalCtrl
.ni
.zUpdateEn
= ctx
->Depth
.Mask
;
479 imesa
->regs
.s4
.drawLocalCtrl
.ni
.flushPdZbufWrites
= GL_TRUE
;
481 imesa
->regs
.s4
.zWatermarks
.ni
.wLow
= 0;
484 imesa
->regs
.s4
.zBufCtrl
.ni
.zBufEn
= GL_TRUE
;
486 else if (imesa
->glCtx
->Stencil
.Enabled
&& imesa
->hw_stencil
)
488 /* Need to keep Z on for Stencil. */
489 imesa
->regs
.s4
.zBufCtrl
.ni
.zCmpFunc
= CF_Always
;
490 imesa
->regs
.s4
.zBufCtrl
.ni
.zBufEn
= GL_TRUE
;
491 imesa
->regs
.s4
.drawLocalCtrl
.ni
.zUpdateEn
= GL_FALSE
;
492 imesa
->regs
.s4
.drawLocalCtrl
.ni
.flushPdZbufWrites
= GL_FALSE
;
493 imesa
->regs
.s4
.zWatermarks
.ni
.wLow
= 8;
498 if (imesa
->regs
.s4
.drawLocalCtrl
.ni
.drawUpdateEn
== GL_FALSE
)
500 imesa
->regs
.s4
.zBufCtrl
.ni
.zCmpFunc
= CF_Always
;
501 imesa
->regs
.s4
.zBufCtrl
.ni
.zBufEn
= GL_TRUE
;
505 /* DRAWUPDATE_REQUIRES_Z_ENABLED*/
507 imesa
->regs
.s4
.zBufCtrl
.ni
.zBufEn
= GL_FALSE
;
509 imesa
->regs
.s4
.drawLocalCtrl
.ni
.zUpdateEn
= GL_FALSE
;
510 imesa
->regs
.s4
.drawLocalCtrl
.ni
.flushPdZbufWrites
= GL_FALSE
;
511 imesa
->regs
.s4
.zWatermarks
.ni
.wLow
= 8;
514 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
516 static void savageDDDepthFunc_s3d(GLcontext
*ctx
, GLenum func
)
518 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
522 /* set up z-buffer control register (global)
523 * set up z-buffer offset register (global)
524 * set up z read/write watermarks register (global)
527 case GL_NEVER
: zmode
= CF_Never
; break;
528 case GL_ALWAYS
: zmode
= CF_Always
; break;
529 case GL_LESS
: zmode
= CF_Less
; break;
530 case GL_LEQUAL
: zmode
= CF_LessEqual
; break;
531 case GL_EQUAL
: zmode
= CF_Equal
; break;
532 case GL_GREATER
: zmode
= CF_Greater
; break;
533 case GL_GEQUAL
: zmode
= CF_GreaterEqual
; break;
534 case GL_NOTEQUAL
: zmode
= CF_NotEqual
; break;
539 imesa
->regs
.s3d
.zBufCtrl
.ni
.zBufEn
= GL_TRUE
;
540 imesa
->regs
.s3d
.zBufCtrl
.ni
.zCmpFunc
= zmode
;
541 imesa
->regs
.s3d
.zBufCtrl
.ni
.zUpdateEn
= ctx
->Depth
.Mask
;
543 imesa
->regs
.s3d
.drawCtrl
.ni
.flushPdZbufWrites
= GL_TRUE
;
545 imesa
->regs
.s3d
.zWatermarks
.ni
.wLow
= 0;
550 if (imesa
->regs
.s3d
.zBufCtrl
.ni
.drawUpdateEn
== GL_FALSE
) {
551 imesa
->regs
.s3d
.zBufCtrl
.ni
.zCmpFunc
= CF_Always
;
552 imesa
->regs
.s3d
.zBufCtrl
.ni
.zBufEn
= GL_TRUE
;
556 /* DRAWUPDATE_REQUIRES_Z_ENABLED*/
558 imesa
->regs
.s3d
.zBufCtrl
.ni
.zBufEn
= GL_FALSE
;
560 imesa
->regs
.s3d
.zBufCtrl
.ni
.zUpdateEn
= GL_FALSE
;
561 imesa
->regs
.s3d
.drawCtrl
.ni
.flushPdZbufWrites
= GL_FALSE
;
562 imesa
->regs
.s3d
.zWatermarks
.ni
.wLow
= 8;
565 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
568 static void savageDDDepthMask_s4(GLcontext
*ctx
, GLboolean flag
)
570 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
572 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
575 imesa
->regs
.s4
.drawLocalCtrl
.ni
.flushPdZbufWrites
= GL_TRUE
;
579 imesa
->regs
.s4
.drawLocalCtrl
.ni
.flushPdZbufWrites
= GL_FALSE
;
581 savageDDDepthFunc_s4(ctx
,ctx
->Depth
.Func
);
583 static void savageDDDepthMask_s3d(GLcontext
*ctx
, GLboolean flag
)
585 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
587 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
590 imesa
->regs
.s3d
.drawCtrl
.ni
.flushPdZbufWrites
= GL_TRUE
;
594 imesa
->regs
.s3d
.drawCtrl
.ni
.flushPdZbufWrites
= GL_FALSE
;
596 savageDDDepthFunc_s3d(ctx
,ctx
->Depth
.Func
);
602 /* =============================================================
607 static void savageDDScissor( GLcontext
*ctx
, GLint x
, GLint y
,
608 GLsizei w
, GLsizei h
)
610 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
611 imesa
->scissor_rect
.x1
= MAX2(imesa
->drawX
+x
,imesa
->draw_rect
.x1
);
612 imesa
->scissor_rect
.y1
= MAX2(imesa
->drawY
+imesa
->driDrawable
->h
-(y
+h
),
613 imesa
->draw_rect
.y1
);
614 imesa
->scissor_rect
.x2
= MIN2(imesa
->drawX
+x
+w
,imesa
->draw_rect
.x2
);
615 imesa
->scissor_rect
.y2
= MIN2(imesa
->drawY
+imesa
->driDrawable
->h
- y
,
616 imesa
->draw_rect
.y2
);
619 imesa
->scissorChanged
=GL_TRUE
;
621 imesa
->dirty
|= SAVAGE_UPLOAD_CLIPRECTS
;
626 static void savageDDDrawBuffer(GLcontext
*ctx
, GLenum mode
)
628 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
631 * _DrawDestMask is easier to cope with than <mode>.
633 switch ( ctx
->Color
._DrawDestMask
[0] ) {
634 case DD_FRONT_LEFT_BIT
:
635 imesa
->IsDouble
= GL_FALSE
;
637 imesa
->drawMap
= (char *)imesa
->apertureBase
[TARGET_FRONT
];
638 imesa
->readMap
= (char *)imesa
->apertureBase
[TARGET_FRONT
];
639 imesa
->regs
.s4
.destCtrl
.ni
.offset
= imesa
->savageScreen
->frontOffset
>>11;
640 imesa
->NotFirstFrame
= GL_FALSE
;
641 imesa
->dirty
|= SAVAGE_UPLOAD_BUFFERS
| SAVAGE_UPLOAD_CTX
;
642 savageXMesaSetFrontClipRects( imesa
);
643 FALLBACK( ctx
, SAVAGE_FALLBACK_DRAW_BUFFER
, GL_FALSE
);
645 case DD_BACK_LEFT_BIT
:
646 imesa
->IsDouble
= GL_TRUE
;
647 imesa
->drawMap
= (char *)imesa
->apertureBase
[TARGET_BACK
];
648 imesa
->readMap
= (char *)imesa
->apertureBase
[TARGET_BACK
];
649 imesa
->regs
.s4
.destCtrl
.ni
.offset
= imesa
->savageScreen
->backOffset
>>11;
650 imesa
->NotFirstFrame
= GL_FALSE
;
651 imesa
->dirty
|= SAVAGE_UPLOAD_BUFFERS
| SAVAGE_UPLOAD_CTX
;
652 savageXMesaSetBackClipRects( imesa
);
653 FALLBACK( ctx
, SAVAGE_FALLBACK_DRAW_BUFFER
, GL_FALSE
);
656 FALLBACK( ctx
, SAVAGE_FALLBACK_DRAW_BUFFER
, GL_TRUE
);
660 /* We want to update the s/w rast state too so that r200SetBuffer() (?)
663 _swrast_DrawBuffer(ctx
, mode
);
666 static void savageDDReadBuffer(GLcontext
*ctx
, GLenum mode
)
668 /* nothing, until we implement h/w glRead/CopyPixels or CopyTexImage */
672 static void savageDDSetColor(GLcontext
*ctx
,
673 GLubyte r
, GLubyte g
,
674 GLubyte b
, GLubyte a
)
676 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
677 imesa
->MonoColor
= savagePackColor( imesa
->savageScreen
->frontFormat
, r
, g
, b
, a
);
681 /* =============================================================
682 * Window position and viewport transformation
685 static void savageCalcViewport( GLcontext
*ctx
)
687 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
688 const GLfloat
*v
= ctx
->Viewport
._WindowMap
.m
;
689 GLfloat
*m
= imesa
->hw_viewport
;
691 /* See also mga_translate_vertex.
693 m
[MAT_SX
] = v
[MAT_SX
];
694 m
[MAT_TX
] = v
[MAT_TX
] + imesa
->drawX
+ SUBPIXEL_X
;
695 m
[MAT_SY
] = - v
[MAT_SY
];
696 m
[MAT_TY
] = - v
[MAT_TY
] + imesa
->driDrawable
->h
+ imesa
->drawY
+ SUBPIXEL_Y
;
697 m
[MAT_SZ
] = v
[MAT_SZ
] * imesa
->depth_scale
;
698 m
[MAT_TZ
] = v
[MAT_TZ
] * imesa
->depth_scale
;
700 imesa
->SetupNewInputs
= ~0;
703 static void savageViewport( GLcontext
*ctx
,
705 GLsizei width
, GLsizei height
)
707 savageCalcViewport( ctx
);
710 static void savageDepthRange( GLcontext
*ctx
,
711 GLclampd nearval
, GLclampd farval
)
713 savageCalcViewport( ctx
);
717 /* =============================================================
721 static void savageDDClearColor(GLcontext
*ctx
,
722 const GLfloat color
[4] )
724 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
726 CLAMPED_FLOAT_TO_UBYTE(c
[0], color
[0]);
727 CLAMPED_FLOAT_TO_UBYTE(c
[1], color
[1]);
728 CLAMPED_FLOAT_TO_UBYTE(c
[2], color
[2]);
729 CLAMPED_FLOAT_TO_UBYTE(c
[3], color
[3]);
731 imesa
->ClearColor
= savagePackColor( imesa
->savageScreen
->frontFormat
,
732 c
[0], c
[1], c
[2], c
[3] );
735 /* Fallback to swrast for select and feedback.
737 static void savageRenderMode( GLcontext
*ctx
, GLenum mode
)
739 FALLBACK( ctx
, SAVAGE_FALLBACK_RENDERMODE
, (mode
!= GL_RENDER
) );
745 /* =============================================================
746 * Culling - the savage isn't quite as clean here as the rest of
747 * its interfaces, but it's not bad.
749 static void savageDDCullFaceFrontFace(GLcontext
*ctx
, GLenum unused
)
751 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
752 GLuint cullMode
=imesa
->LcsCullMode
;
753 switch (ctx
->Polygon
.CullFaceMode
)
756 switch (ctx
->Polygon
.FrontFace
)
768 switch (ctx
->Polygon
.FrontFace
)
779 imesa
->LcsCullMode
= cullMode
;
780 imesa
->new_state
|= SAVAGE_NEW_CULL
;
782 #endif /* end #if HW_CULL */
784 static void savageUpdateCull( GLcontext
*ctx
)
787 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
789 if (ctx
->Polygon
.CullFlag
&&
790 imesa
->raster_primitive
== GL_TRIANGLES
&&
791 ctx
->Polygon
.CullFaceMode
!= GL_FRONT_AND_BACK
)
792 cullMode
= imesa
->LcsCullMode
;
795 if (imesa
->savageScreen
->chipset
>= S3_SAVAGE4
) {
796 if (imesa
->regs
.s4
.drawCtrl1
.ni
.cullMode
!= cullMode
) {
797 imesa
->regs
.s4
.drawCtrl1
.ni
.cullMode
= cullMode
;
798 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
801 if (imesa
->regs
.s3d
.drawCtrl
.ni
.cullMode
!= cullMode
) {
802 imesa
->regs
.s3d
.drawCtrl
.ni
.cullMode
= cullMode
;
803 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
806 #endif /* end #if HW_CULL */
811 /* =============================================================
815 /* Mesa calls this from the wrong place - it is called a very large
816 * number of redundant times.
818 * Colormask can be simulated by multipass or multitexture techniques.
820 static void savageDDColorMask_s4(GLcontext
*ctx
,
821 GLboolean r
, GLboolean g
,
822 GLboolean b
, GLboolean a
)
824 savageContextPtr imesa
= SAVAGE_CONTEXT( ctx
);
827 if (ctx
->Visual
.alphaBits
)
829 enable
= b
| g
| r
| a
;
838 imesa
->regs
.s4
.drawLocalCtrl
.ni
.drawUpdateEn
= GL_TRUE
;
842 imesa
->regs
.s4
.drawLocalCtrl
.ni
.drawUpdateEn
= GL_FALSE
;
844 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
845 /* TODO: need a software fallback */
847 static void savageDDColorMask_s3d(GLcontext
*ctx
,
848 GLboolean r
, GLboolean g
,
849 GLboolean b
, GLboolean a
)
851 savageContextPtr imesa
= SAVAGE_CONTEXT( ctx
);
854 if (ctx
->Visual
.alphaBits
)
856 enable
= b
| g
| r
| a
;
865 imesa
->regs
.s3d
.zBufCtrl
.ni
.drawUpdateEn
= GL_TRUE
;
869 imesa
->regs
.s3d
.zBufCtrl
.ni
.drawUpdateEn
= GL_FALSE
;
871 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
872 /* TODO: need a software fallback */
875 /* Seperate specular not fully implemented in hardware... Needs
876 * some interaction with material state? Just punt to software
878 * FK: Don't fall back for now. Let's see the failure cases and
879 * fix them the right way. I don't see how this could be a
880 * hardware limitation.
882 static void savageUpdateSpecular_s4(GLcontext
*ctx
) {
883 savageContextPtr imesa
= SAVAGE_CONTEXT( ctx
);
885 if (ctx
->Light
.Model
.ColorControl
== GL_SEPARATE_SPECULAR_COLOR
&&
886 ctx
->Light
.Enabled
) {
887 imesa
->regs
.s4
.drawLocalCtrl
.ni
.specShadeEn
= GL_TRUE
;
888 /*FALLBACK (ctx, SAVAGE_FALLBACK_SPECULAR, GL_TRUE);*/
890 imesa
->regs
.s4
.drawLocalCtrl
.ni
.specShadeEn
= GL_FALSE
;
891 /*FALLBACK (ctx, SAVAGE_FALLBACK_SPECULAR, GL_FALSE);*/
893 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
895 static void savageUpdateSpecular_s3d(GLcontext
*ctx
) {
896 savageContextPtr imesa
= SAVAGE_CONTEXT( ctx
);
898 if (ctx
->Light
.Model
.ColorControl
== GL_SEPARATE_SPECULAR_COLOR
&&
899 ctx
->Light
.Enabled
) {
900 imesa
->regs
.s3d
.drawCtrl
.ni
.specShadeEn
= GL_TRUE
;
901 /*FALLBACK (ctx, SAVAGE_FALLBACK_SPECULAR, GL_TRUE);*/
903 imesa
->regs
.s3d
.drawCtrl
.ni
.specShadeEn
= GL_FALSE
;
904 /*FALLBACK (ctx, SAVAGE_FALLBACK_SPECULAR, GL_FALSE);*/
906 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
909 static void savageDDLightModelfv_s4(GLcontext
*ctx
, GLenum pname
,
910 const GLfloat
*param
)
912 savageUpdateSpecular_s4 (ctx
);
914 static void savageDDLightModelfv_s3d(GLcontext
*ctx
, GLenum pname
,
915 const GLfloat
*param
)
917 savageUpdateSpecular_s3d (ctx
);
920 static void savageDDShadeModel_s4(GLcontext
*ctx
, GLuint mod
)
922 savageContextPtr imesa
= SAVAGE_CONTEXT( ctx
);
924 if (mod
== GL_SMOOTH
)
926 imesa
->regs
.s4
.drawLocalCtrl
.ni
.flatShadeEn
= GL_FALSE
;
930 imesa
->regs
.s4
.drawLocalCtrl
.ni
.flatShadeEn
= GL_TRUE
;
932 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
934 static void savageDDShadeModel_s3d(GLcontext
*ctx
, GLuint mod
)
936 savageContextPtr imesa
= SAVAGE_CONTEXT( ctx
);
938 if (mod
== GL_SMOOTH
)
940 imesa
->regs
.s3d
.drawCtrl
.ni
.flatShadeEn
= GL_FALSE
;
944 imesa
->regs
.s3d
.drawCtrl
.ni
.flatShadeEn
= GL_TRUE
;
946 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
950 /* =============================================================
952 * The fogCtrl register has the same position and the same layout
953 * on savage3d and savage4. No need for two separate functions.
956 static void savageDDFogfv(GLcontext
*ctx
, GLenum pname
, const GLfloat
*param
)
958 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
961 /*if ((ctx->Fog.Enabled) &&(pname == GL_FOG_COLOR))*/
962 if (ctx
->Fog
.Enabled
)
964 fogClr
= (((GLubyte
)(ctx
->Fog
.Color
[0]*255.0F
) << 16) |
965 ((GLubyte
)(ctx
->Fog
.Color
[1]*255.0F
) << 8) |
966 ((GLubyte
)(ctx
->Fog
.Color
[2]*255.0F
) << 0));
967 imesa
->regs
.s4
.fogCtrl
.ni
.fogEn
= GL_TRUE
;
969 imesa
->regs
.s4
.fogCtrl
.ni
.fogMode
= GL_TRUE
;
970 imesa
->regs
.s4
.fogCtrl
.ni
.fogClr
= fogClr
;
976 imesa
->regs
.s4
.fogCtrl
.ni
.fogEn
= 0;
977 imesa
->regs
.s4
.fogCtrl
.ni
.fogMode
= 0;
979 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
983 static void savageStencilFunc(GLcontext
*);
985 static void savageDDStencilFunc(GLcontext
*ctx
, GLenum func
, GLint ref
,
988 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
991 imesa
->regs
.s4
.zBufCtrl
.ni
.stencilRefVal
= ctx
->Stencil
.Ref
[0];
992 imesa
->regs
.s4
.stencilCtrl
.ni
.readMask
= ctx
->Stencil
.ValueMask
[0];
994 switch (ctx
->Stencil
.Function
[0])
996 case GL_NEVER
: a
= CF_Never
; break;
997 case GL_ALWAYS
: a
= CF_Always
; break;
998 case GL_LESS
: a
= CF_Less
; break;
999 case GL_LEQUAL
: a
= CF_LessEqual
; break;
1000 case GL_EQUAL
: a
= CF_Equal
; break;
1001 case GL_GREATER
: a
= CF_Greater
; break;
1002 case GL_GEQUAL
: a
= CF_GreaterEqual
; break;
1003 case GL_NOTEQUAL
: a
= CF_NotEqual
; break;
1008 imesa
->regs
.s4
.stencilCtrl
.ni
.cmpFunc
= a
;
1010 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
1013 static void savageDDStencilMask(GLcontext
*ctx
, GLuint mask
)
1015 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
1017 imesa
->regs
.s4
.stencilCtrl
.ni
.writeMask
= ctx
->Stencil
.WriteMask
[0];
1019 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
1022 static void savageDDStencilOp(GLcontext
*ctx
, GLenum fail
, GLenum zfail
,
1025 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
1027 switch (ctx
->Stencil
.FailFunc
[0])
1030 imesa
->regs
.s4
.stencilCtrl
.ni
.failOp
= STC_FAIL_Keep
;
1033 imesa
->regs
.s4
.stencilCtrl
.ni
.failOp
= STC_FAIL_Zero
;
1036 imesa
->regs
.s4
.stencilCtrl
.ni
.failOp
= STC_FAIL_Equal
;
1039 imesa
->regs
.s4
.stencilCtrl
.ni
.failOp
= STC_FAIL_IncClamp
;
1042 imesa
->regs
.s4
.stencilCtrl
.ni
.failOp
= STC_FAIL_DecClamp
;
1045 imesa
->regs
.s4
.stencilCtrl
.ni
.failOp
= STC_FAIL_Invert
;
1047 case GL_INCR_WRAP_EXT
:
1048 imesa
->regs
.s4
.stencilCtrl
.ni
.failOp
= STC_FAIL_Inc
;
1050 case GL_DECR_WRAP_EXT
:
1051 imesa
->regs
.s4
.stencilCtrl
.ni
.failOp
= STC_FAIL_Dec
;
1056 switch (ctx
->Stencil
.ZFailFunc
[0])
1059 imesa
->regs
.s4
.stencilCtrl
.ni
.passZfailOp
= STC_FAIL_Keep
;
1062 imesa
->regs
.s4
.stencilCtrl
.ni
.passZfailOp
= STC_FAIL_Zero
;
1065 imesa
->regs
.s4
.stencilCtrl
.ni
.passZfailOp
= STC_FAIL_Equal
;
1068 imesa
->regs
.s4
.stencilCtrl
.ni
.passZfailOp
= STC_FAIL_IncClamp
;
1071 imesa
->regs
.s4
.stencilCtrl
.ni
.passZfailOp
= STC_FAIL_DecClamp
;
1074 imesa
->regs
.s4
.stencilCtrl
.ni
.passZfailOp
= STC_FAIL_Invert
;
1076 case GL_INCR_WRAP_EXT
:
1077 imesa
->regs
.s4
.stencilCtrl
.ni
.passZfailOp
= STC_FAIL_Inc
;
1079 case GL_DECR_WRAP_EXT
:
1080 imesa
->regs
.s4
.stencilCtrl
.ni
.passZfailOp
= STC_FAIL_Dec
;
1084 switch (ctx
->Stencil
.ZPassFunc
[0])
1087 imesa
->regs
.s4
.stencilCtrl
.ni
.passZpassOp
= STC_FAIL_Keep
;
1090 imesa
->regs
.s4
.stencilCtrl
.ni
.passZpassOp
= STC_FAIL_Zero
;
1093 imesa
->regs
.s4
.stencilCtrl
.ni
.passZpassOp
= STC_FAIL_Equal
;
1096 imesa
->regs
.s4
.stencilCtrl
.ni
.passZpassOp
= STC_FAIL_IncClamp
;
1099 imesa
->regs
.s4
.stencilCtrl
.ni
.passZpassOp
= STC_FAIL_DecClamp
;
1102 imesa
->regs
.s4
.stencilCtrl
.ni
.passZpassOp
= STC_FAIL_Invert
;
1104 case GL_INCR_WRAP_EXT
:
1105 imesa
->regs
.s4
.stencilCtrl
.ni
.passZpassOp
= STC_FAIL_Inc
;
1107 case GL_DECR_WRAP_EXT
:
1108 imesa
->regs
.s4
.stencilCtrl
.ni
.passZpassOp
= STC_FAIL_Dec
;
1112 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
1116 /* =============================================================
1119 static void savageDDEnable_s4(GLcontext
*ctx
, GLenum cap
, GLboolean state
)
1122 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
1125 /* we should consider the disable case*/
1126 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
1127 savageBlendFunc_s4(ctx
);
1130 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
1131 /*Can't find Enable bit in the 3D registers.*/
1132 /* For some reason enable(GL_BLEND) affects ColorLogicOpEnabled.
1134 FALLBACK (ctx
, SAVAGE_FALLBACK_LOGICOP
,
1135 (ctx
->Color
.ColorLogicOpEnabled
&&
1136 ctx
->Color
.LogicOp
!= GL_COPY
));
1137 /*add the savageBlendFunc 2001/11/25
1138 * if call no such function, then glDisable(GL_BLEND) will do noting,
1139 *our chip has no disable bit
1141 savageBlendFunc_s4(ctx
);
1144 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
1145 savageDDDepthFunc_s4(ctx
,ctx
->Depth
.Func
);
1147 case GL_SCISSOR_TEST
:
1148 imesa
->scissor
= state
;
1149 imesa
->dirty
|= SAVAGE_UPLOAD_CLIPRECTS
;
1151 case GL_STENCIL_TEST
:
1152 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
1153 if (!imesa
->hw_stencil
)
1154 FALLBACK (ctx
, SAVAGE_FALLBACK_STENCIL
, state
);
1156 imesa
->regs
.s4
.stencilCtrl
.ni
.stencilEn
= state
;
1157 if (ctx
->Stencil
.Enabled
&&
1158 imesa
->regs
.s4
.zBufCtrl
.ni
.zBufEn
!= GL_TRUE
)
1160 /* Stencil buffer requires Z enabled. */
1161 imesa
->regs
.s4
.zBufCtrl
.ni
.zCmpFunc
= CF_Always
;
1162 imesa
->regs
.s4
.zBufCtrl
.ni
.zBufEn
= GL_TRUE
;
1163 imesa
->regs
.s4
.drawLocalCtrl
.ni
.zUpdateEn
= GL_FALSE
;
1165 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
1169 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
1170 savageDDFogfv(ctx
,0,0);
1176 savageDDCullFaceFrontFace(ctx
,0);
1180 imesa
->LcsCullMode
= BCM_None
;
1181 imesa
->new_state
|= SAVAGE_NEW_CULL
;
1186 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
1189 if ( ctx
->Color
.DitherFlag
)
1191 imesa
->regs
.s4
.drawCtrl1
.ni
.ditherEn
=GL_TRUE
;
1194 if (!ctx
->Color
.DitherFlag
)
1196 imesa
->regs
.s4
.drawCtrl1
.ni
.ditherEn
=GL_FALSE
;
1201 savageUpdateSpecular_s4 (ctx
);
1205 imesa
->new_state
|= SAVAGE_NEW_TEXTURE
;
1208 imesa
->new_state
|= SAVAGE_NEW_TEXTURE
;
1214 static void savageDDEnable_s3d(GLcontext
*ctx
, GLenum cap
, GLboolean state
)
1217 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
1220 /* we should consider the disable case*/
1221 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
1222 savageBlendFunc_s3d(ctx
);
1225 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
1226 /*Can't find Enable bit in the 3D registers.*/
1227 /* For some reason enable(GL_BLEND) affects ColorLogicOpEnabled.
1229 FALLBACK (ctx
, SAVAGE_FALLBACK_LOGICOP
,
1230 (ctx
->Color
.ColorLogicOpEnabled
&&
1231 ctx
->Color
.LogicOp
!= GL_COPY
));
1232 /*add the savageBlendFunc 2001/11/25
1233 * if call no such function, then glDisable(GL_BLEND) will do noting,
1234 *our chip has no disable bit
1236 savageBlendFunc_s3d(ctx
);
1239 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
1240 savageDDDepthFunc_s3d(ctx
,ctx
->Depth
.Func
);
1242 case GL_SCISSOR_TEST
:
1243 imesa
->scissor
= state
;
1244 imesa
->dirty
|= SAVAGE_UPLOAD_CLIPRECTS
;
1246 case GL_STENCIL_TEST
:
1247 FALLBACK (ctx
, SAVAGE_FALLBACK_STENCIL
, state
);
1250 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
1251 savageDDFogfv(ctx
,0,0);
1257 savageDDCullFaceFrontFace(ctx
,0);
1261 imesa
->LcsCullMode
= BCM_None
;
1262 imesa
->new_state
|= SAVAGE_NEW_CULL
;
1267 imesa
->dirty
|= SAVAGE_UPLOAD_CTX
;
1270 if ( ctx
->Color
.DitherFlag
)
1272 imesa
->regs
.s3d
.drawCtrl
.ni
.ditherEn
=GL_TRUE
;
1275 if (!ctx
->Color
.DitherFlag
)
1277 imesa
->regs
.s3d
.drawCtrl
.ni
.ditherEn
=GL_FALSE
;
1282 savageUpdateSpecular_s3d (ctx
);
1286 imesa
->new_state
|= SAVAGE_NEW_TEXTURE
;
1289 imesa
->new_state
|= SAVAGE_NEW_TEXTURE
;
1296 void savageDDUpdateHwState( GLcontext
*ctx
)
1298 savageContextPtr imesa
= SAVAGE_CONTEXT(ctx
);
1300 if (imesa
->new_state
) {
1303 if (imesa
->new_state
& SAVAGE_NEW_TEXTURE
) {
1304 savageUpdateTextureState( ctx
);
1306 if ((imesa
->new_state
& SAVAGE_NEW_CULL
)) {
1307 savageUpdateCull(ctx
);
1309 imesa
->new_state
= 0;
1314 void savageEmitDrawingRectangle( savageContextPtr imesa
)
1316 __DRIdrawablePrivate
*dPriv
= imesa
->driDrawable
;
1317 savageScreenPrivate
*savageScreen
= imesa
->savageScreen
;
1318 drm_clip_rect_t
*pbox
;
1322 int x0
= imesa
->drawX
;
1323 int y0
= imesa
->drawY
;
1324 int x1
= x0
+ dPriv
->w
;
1325 int y1
= y0
+ dPriv
->h
;
1327 pbox
= dPriv
->pClipRects
;
1328 nbox
= dPriv
->numClipRects
;
1332 /* Coordinate origin of the window - may be offscreen.
1334 /* imesa->BufferSetup[SAVAGE_DESTREG_DR4] = ((y0<<16) |
1335 (((unsigned)x0)&0xFFFF));*/
1341 if (x1
> savageScreen
->width
) x1
= savageScreen
->width
;
1342 if (y1
> savageScreen
->height
) y1
= savageScreen
->height
;
1347 imesa
->draw_rect
.x1
= MAX2(x0
,pbox
->x1
);
1348 imesa
->draw_rect
.y1
= MAX2(y0
,pbox
->y1
);
1349 imesa
->draw_rect
.x2
= MIN2(x1
,pbox
->x2
);
1350 imesa
->draw_rect
.y2
= MIN2(y1
,pbox
->y2
);
1354 imesa
->draw_rect
.x1
= x0
;
1355 imesa
->draw_rect
.y1
= y0
;
1356 imesa
->draw_rect
.x2
= x1
;
1357 imesa
->draw_rect
.y2
= y1
;
1360 imesa
->scissorChanged
= GL_TRUE
;
1362 /* imesa->regs.ni.changed.ni.fDrawCtrl0Changed=GL_TRUE;
1363 imesa->regs.ni.changed.ni.fDrawCtrl1Changed=GL_TRUE;*/
1365 savageCalcViewport (imesa
->glCtx
);
1367 imesa
->dirty
|= SAVAGE_UPLOAD_BUFFERS
;
1371 static void savageDDPrintDirty( const char *msg
, GLuint state
)
1373 fprintf(stderr
, "%s (0x%x): %s%s%s%s%s\n",
1375 (unsigned int) state
,
1376 (state
& SAVAGE_UPLOAD_TEX0IMAGE
) ? "upload-tex0, " : "",
1377 (state
& SAVAGE_UPLOAD_TEX1IMAGE
) ? "upload-tex1, " : "",
1378 (state
& SAVAGE_UPLOAD_CTX
) ? "upload-ctx, " : "",
1379 (state
& SAVAGE_UPLOAD_BUFFERS
) ? "upload-bufs, " : "",
1380 (state
& SAVAGE_UPLOAD_CLIPRECTS
) ? "upload-cliprects, " : ""
1386 * Check if global registers were changed
1388 static GLboolean
savageGlobalRegChanged (savageContextPtr imesa
,
1389 GLuint first
, GLuint last
) {
1391 for (i
= first
- SAVAGE_FIRST_REG
; i
<= last
- SAVAGE_FIRST_REG
; ++i
) {
1392 if (((imesa
->oldRegs
.ui
[i
] ^ imesa
->regs
.ui
[i
]) &
1393 imesa
->globalRegMask
.ui
[i
]) != 0)
1398 static void savageEmitContiguousRegs (savageContextPtr imesa
,
1399 GLuint first
, GLuint last
) {
1402 pBCIBase
= savageDMAAlloc (imesa
, last
- first
+ 2);
1403 WRITE_CMD (pBCIBase
, SET_REGISTER(first
, last
- first
+ 1), uint32_t);
1405 for (i
= first
- SAVAGE_FIRST_REG
; i
<= last
- SAVAGE_FIRST_REG
; ++i
) {
1406 WRITE_CMD (pBCIBase
, imesa
->regs
.ui
[i
], uint32_t);
1407 imesa
->oldRegs
.ui
[i
] = imesa
->regs
.ui
[i
];
1409 savageDMACommit (imesa
, pBCIBase
);
1411 static void savageEmitChangedRegs (savageContextPtr imesa
,
1412 GLuint first
, GLuint last
) {
1413 GLuint i
, firstChanged
;
1414 firstChanged
= SAVAGE_NR_REGS
;
1415 for (i
= first
- SAVAGE_FIRST_REG
; i
<= last
- SAVAGE_FIRST_REG
; ++i
) {
1416 if (imesa
->oldRegs
.ui
[i
] != imesa
->regs
.ui
[i
]) {
1417 if (firstChanged
== SAVAGE_NR_REGS
)
1420 if (firstChanged
!= SAVAGE_NR_REGS
) {
1421 savageEmitContiguousRegs (imesa
, firstChanged
+SAVAGE_FIRST_REG
,
1422 i
-1+SAVAGE_FIRST_REG
);
1423 firstChanged
= SAVAGE_NR_REGS
;
1427 if (firstChanged
!= SAVAGE_NR_REGS
)
1428 savageEmitContiguousRegs (imesa
, firstChanged
+SAVAGE_FIRST_REG
,
1431 static void savageEmitChangedRegChunk (savageContextPtr imesa
,
1432 GLuint first
, GLuint last
) {
1434 for (i
= first
- SAVAGE_FIRST_REG
; i
<= last
- SAVAGE_FIRST_REG
; ++i
) {
1435 if (imesa
->oldRegs
.ui
[i
] != imesa
->regs
.ui
[i
]) {
1436 savageEmitContiguousRegs (imesa
, first
, last
);
1441 static void savageUpdateRegister_s4(savageContextPtr imesa
)
1446 * Scissors updates drawctrl0 and drawctrl 1
1448 if (imesa
->scissorChanged
)
1452 imesa
->regs
.s4
.drawCtrl0
.ni
.scissorXStart
= imesa
->scissor_rect
.x1
;
1453 imesa
->regs
.s4
.drawCtrl0
.ni
.scissorYStart
= imesa
->scissor_rect
.y1
;
1454 imesa
->regs
.s4
.drawCtrl1
.ni
.scissorXEnd
= imesa
->scissor_rect
.x2
-1;
1455 imesa
->regs
.s4
.drawCtrl1
.ni
.scissorYEnd
= imesa
->scissor_rect
.y2
-1;
1459 imesa
->regs
.s4
.drawCtrl0
.ni
.scissorXStart
= imesa
->draw_rect
.x1
;
1460 imesa
->regs
.s4
.drawCtrl0
.ni
.scissorYStart
= imesa
->draw_rect
.y1
;
1461 imesa
->regs
.s4
.drawCtrl1
.ni
.scissorXEnd
= imesa
->draw_rect
.x2
-1;
1462 imesa
->regs
.s4
.drawCtrl1
.ni
.scissorYEnd
= imesa
->draw_rect
.y2
-1;
1466 /* the savage4 uses the contiguous range of BCI registers 0x1e-0x39
1467 * 0x1e-0x27 are local, no need to check them for global changes */
1468 if (imesa
->lostContext
|| savageGlobalRegChanged (imesa
, 0x28, 0x39)) {
1469 pBCIBase
= savageDMAAlloc (imesa
, 1);
1470 WRITE_CMD (pBCIBase
, WAIT_3D_IDLE
, uint32_t);
1471 savageDMACommit (imesa
, pBCIBase
);
1473 if (imesa
->lostContext
)
1474 savageEmitContiguousRegs (imesa
, 0x1e, 0x39);
1476 savageEmitChangedRegs (imesa
, 0x1e, 0x39);
1479 imesa
->lostContext
= GL_FALSE
;
1481 static void savageUpdateRegister_s3d(savageContextPtr imesa
)
1485 if (imesa
->scissorChanged
)
1489 imesa
->regs
.s3d
.scissorsStart
.ni
.scissorXStart
=
1490 imesa
->scissor_rect
.x1
;
1491 imesa
->regs
.s3d
.scissorsStart
.ni
.scissorYStart
=
1492 imesa
->scissor_rect
.y1
;
1493 imesa
->regs
.s3d
.scissorsEnd
.ni
.scissorXEnd
=
1494 imesa
->scissor_rect
.x2
-1;
1495 imesa
->regs
.s3d
.scissorsEnd
.ni
.scissorYEnd
=
1496 imesa
->scissor_rect
.y2
-1;
1500 imesa
->regs
.s3d
.scissorsStart
.ni
.scissorXStart
=
1501 imesa
->draw_rect
.x1
;
1502 imesa
->regs
.s3d
.scissorsStart
.ni
.scissorYStart
=
1503 imesa
->draw_rect
.y1
;
1504 imesa
->regs
.s3d
.scissorsEnd
.ni
.scissorXEnd
=
1505 imesa
->draw_rect
.x2
-1;
1506 imesa
->regs
.s3d
.scissorsEnd
.ni
.scissorYEnd
=
1507 imesa
->draw_rect
.y2
-1;
1511 /* Some temporary hacks to workaround lockups. Not sure if they are
1512 * still needed. But they work for now. */
1513 imesa
->regs
.s3d
.drawCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
1514 imesa
->regs
.s3d
.drawCtrl
.ni
.flushPdZbufWrites
= GL_TRUE
;
1516 /* the savage3d uses two contiguous ranges of BCI registers:
1517 * 0x18-0x1c and 0x20-0x38. The first range is local. */
1518 if (imesa
->lostContext
|| savageGlobalRegChanged (imesa
, 0x20, 0x38)) {
1519 pBCIBase
= savageDMAAlloc (imesa
, 1);
1520 WRITE_CMD (pBCIBase
, WAIT_3D_IDLE
, uint32_t);
1521 savageDMACommit (imesa
, pBCIBase
);
1523 /* FIXME: watermark registers aren't programmed correctly ATM */
1524 if (imesa
->lostContext
) {
1525 savageEmitContiguousRegs (imesa
, 0x18, 0x1c);
1526 savageEmitContiguousRegs (imesa
, 0x20, 0x36);
1528 /* On the Savage IX texture registers (at least some of them)
1529 * have to be emitted as one chunk. */
1530 savageEmitChangedRegs (imesa
, 0x18, 0x19);
1531 savageEmitChangedRegChunk (imesa
, 0x1a, 0x1c);
1532 savageEmitChangedRegs (imesa
, 0x20, 0x36);
1536 imesa
->lostContext
= GL_FALSE
;
1541 /* Push the state into the sarea and/or texture memory.
1543 void savageEmitHwStateLocked( savageContextPtr imesa
)
1545 if (SAVAGE_DEBUG
& DEBUG_VERBOSE_API
)
1546 savageDDPrintDirty( "\n\n\nsavageEmitHwStateLocked", imesa
->dirty
);
1548 if (imesa
->dirty
& ~SAVAGE_UPLOAD_CLIPRECTS
)
1550 if (imesa
->dirty
& (SAVAGE_UPLOAD_CTX
| SAVAGE_UPLOAD_TEX0
| \
1551 SAVAGE_UPLOAD_TEX1
| SAVAGE_UPLOAD_BUFFERS
))
1554 /*SAVAGE_STATE_COPY(imesa);*/
1555 /* update state to hw*/
1556 if (imesa
->driDrawable
&&imesa
->driDrawable
->numClipRects
==0 )
1560 if (imesa
->savageScreen
->chipset
>= S3_SAVAGE4
)
1561 savageUpdateRegister_s4(imesa
);
1563 savageUpdateRegister_s3d(imesa
);
1566 imesa
->sarea
->dirty
|= (imesa
->dirty
&
1567 ~(SAVAGE_UPLOAD_TEX1
|SAVAGE_UPLOAD_TEX0
));
1568 imesa
->dirty
&= SAVAGE_UPLOAD_CLIPRECTS
;
1574 static void savageDDInitState_s4( savageContextPtr imesa
)
1577 imesa
->regs
.s4
.destCtrl
.ui
= 1<<7;
1580 imesa
->regs
.s4
.zBufCtrl
.ni
.zCmpFunc
= CF_Less
;
1581 imesa
->regs
.s4
.zBufCtrl
.ni
.wToZEn
= GL_TRUE
;
1582 /*imesa->regs.s4.ZBufCtrl.ni.floatZEn = GL_TRUE;*/
1583 imesa
->regs
.s4
.texBlendCtrl
[0].ui
= TBC_NoTexMap
;
1584 imesa
->regs
.s4
.texBlendCtrl
[1].ui
= TBC_NoTexMap1
;
1585 imesa
->regs
.s4
.drawCtrl0
.ui
= 0;
1587 imesa
->regs
.s4
.drawCtrl1
.ni
.xyOffsetEn
= 1;
1590 /* Set DestTexWatermarks_31,30 to 01 always.
1591 *Has no effect if dest. flush is disabled.
1594 imesa
->regs
.s4
.zWatermarks
.ui
= 0x12000C04;
1595 imesa
->regs
.s4
.destTexWatermarks
.ui
= 0x40200400;
1597 imesa
->regs
.s4
.zWatermarks
.ui
= 0x16001808;
1598 imesa
->regs
.s4
.destTexWatermarks
.ui
= 0x4f000000;
1600 imesa
->regs
.s4
.drawCtrl0
.ni
.dPerfAccelEn
= GL_TRUE
;
1602 /* clrCmpAlphaBlendCtrl is needed to get alphatest and
1603 * alpha blending working properly
1606 imesa
->regs
.s4
.texCtrl
[0].ni
.dBias
= 0x08;
1607 imesa
->regs
.s4
.texCtrl
[1].ni
.dBias
= 0x08;
1608 imesa
->regs
.s4
.texCtrl
[0].ni
.texXprEn
= GL_TRUE
;
1609 imesa
->regs
.s4
.texCtrl
[1].ni
.texXprEn
= GL_TRUE
;
1610 imesa
->regs
.s4
.texCtrl
[0].ni
.dMax
= 0x0f;
1611 imesa
->regs
.s4
.texCtrl
[1].ni
.dMax
= 0x0f;
1612 imesa
->regs
.s4
.drawLocalCtrl
.ni
.drawUpdateEn
= GL_TRUE
;
1613 imesa
->regs
.s4
.drawLocalCtrl
.ni
.srcAlphaMode
= SAM_One
;
1614 imesa
->regs
.s4
.drawLocalCtrl
.ni
.wrZafterAlphaTst
= GL_FALSE
;
1615 imesa
->regs
.s4
.drawLocalCtrl
.ni
.flushPdZbufWrites
= GL_TRUE
;
1616 imesa
->regs
.s4
.drawLocalCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
1618 imesa
->regs
.s4
.drawLocalCtrl
.ni
.zUpdateEn
= GL_TRUE
;
1619 imesa
->regs
.s4
.drawCtrl1
.ni
.ditherEn
=GL_TRUE
;
1620 imesa
->regs
.s4
.drawCtrl1
.ni
.cullMode
= BCM_None
;
1622 imesa
->LcsCullMode
=BCM_None
;
1623 imesa
->regs
.s4
.texDescr
.ni
.palSize
= TPS_256
;
1625 /* clear the local registers in the global reg mask */
1626 imesa
->globalRegMask
.s4
.drawLocalCtrl
.ui
= 0;
1627 imesa
->globalRegMask
.s4
.texPalAddr
.ui
= 0;
1628 imesa
->globalRegMask
.s4
.texCtrl
[0].ui
= 0;
1629 imesa
->globalRegMask
.s4
.texCtrl
[1].ui
= 0;
1630 imesa
->globalRegMask
.s4
.texAddr
[0].ui
= 0;
1631 imesa
->globalRegMask
.s4
.texAddr
[1].ui
= 0;
1632 imesa
->globalRegMask
.s4
.texBlendCtrl
[0].ui
= 0;
1633 imesa
->globalRegMask
.s4
.texBlendCtrl
[1].ui
= 0;
1634 imesa
->globalRegMask
.s4
.texXprClr
.ui
= 0;
1635 imesa
->globalRegMask
.s4
.texDescr
.ui
= 0;
1637 static void savageDDInitState_s3d( savageContextPtr imesa
)
1640 imesa
->regs
.s3d
.destCtrl
.ui
= 1<<7;
1643 imesa
->regs
.s3d
.zBufCtrl
.ni
.zCmpFunc
= CF_Less
;
1645 imesa
->regs
.s3d
.drawCtrl
.ni
.xyOffsetEn
= 1;
1648 /* Set DestTexWatermarks_31,30 to 01 always.
1649 *Has no effect if dest. flush is disabled.
1652 imesa
->regs
.s3d
.zWatermarks
.ui
= 0x12000C04;
1653 imesa
->regs
.s3d
.destTexWatermarks
.ui
= 0x40200400;
1655 imesa
->regs
.s3d
.zWatermarks
.ui
= 0x16001808;
1656 imesa
->regs
.s3d
.destTexWatermarks
.ui
= 0x4f000000;
1659 /* clrCmpAlphaBlendCtrl is needed to get alphatest and
1660 * alpha blending working properly
1663 imesa
->regs
.s3d
.texCtrl
.ni
.dBias
= 0x08;
1664 imesa
->regs
.s3d
.texCtrl
.ni
.texXprEn
= GL_TRUE
;
1666 imesa
->regs
.s3d
.zBufCtrl
.ni
.drawUpdateEn
= GL_TRUE
;
1667 imesa
->regs
.s3d
.zBufCtrl
.ni
.wrZafterAlphaTst
= GL_FALSE
;
1668 imesa
->regs
.s3d
.zBufCtrl
.ni
.zUpdateEn
= GL_TRUE
;
1669 imesa
->regs
.s4
.zBufCtrl
.ni
.stencilRefVal
= 0x00;
1671 imesa
->regs
.s4
.stencilCtrl
.ni
.stencilEn
= GL_FALSE
;
1672 imesa
->regs
.s4
.stencilCtrl
.ni
.cmpFunc
= CF_Always
;
1673 imesa
->regs
.s4
.stencilCtrl
.ni
.failOp
= STC_FAIL_Keep
;
1674 imesa
->regs
.s4
.stencilCtrl
.ni
.passZfailOp
= STC_FAIL_Keep
;
1675 imesa
->regs
.s4
.stencilCtrl
.ni
.passZpassOp
= STC_FAIL_Keep
;
1676 imesa
->regs
.s4
.stencilCtrl
.ni
.writeMask
= 0xff;
1677 imesa
->regs
.s4
.stencilCtrl
.ni
.readMask
= 0xff;
1679 imesa
->regs
.s3d
.drawCtrl
.ni
.srcAlphaMode
= SAM_One
;
1680 imesa
->regs
.s3d
.drawCtrl
.ni
.flushPdZbufWrites
= GL_TRUE
;
1681 imesa
->regs
.s3d
.drawCtrl
.ni
.flushPdDestWrites
= GL_TRUE
;
1683 imesa
->regs
.s3d
.drawCtrl
.ni
.ditherEn
= GL_TRUE
;
1684 imesa
->regs
.s3d
.drawCtrl
.ni
.cullMode
= BCM_None
;
1686 imesa
->LcsCullMode
= BCM_None
;
1687 imesa
->regs
.s3d
.texDescr
.ni
.palSize
= TPS_256
;
1689 /* clear the local registers in the global reg mask */
1690 imesa
->globalRegMask
.s3d
.texPalAddr
.ui
= 0;
1691 imesa
->globalRegMask
.s3d
.texXprClr
.ui
= 0;
1692 imesa
->globalRegMask
.s3d
.texAddr
.ui
= 0;
1693 imesa
->globalRegMask
.s3d
.texDescr
.ui
= 0;
1694 imesa
->globalRegMask
.s3d
.texCtrl
.ui
= 0;
1696 imesa
->globalRegMask
.s3d
.fogCtrl
.ui
= 0;
1698 /* drawCtrl is local with some exceptions */
1699 imesa
->globalRegMask
.s3d
.drawCtrl
.ui
= 0;
1700 imesa
->globalRegMask
.s3d
.drawCtrl
.ni
.cullMode
= 0x3;
1701 imesa
->globalRegMask
.s3d
.drawCtrl
.ni
.alphaTestCmpFunc
= 0x7;
1702 imesa
->globalRegMask
.s3d
.drawCtrl
.ni
.alphaTestEn
= 0x1;
1703 imesa
->globalRegMask
.s3d
.drawCtrl
.ni
.alphaRefVal
= 0xff;
1705 /* zBufCtrl is local with some exceptions */
1706 imesa
->globalRegMask
.s3d
.zBufCtrl
.ui
= 0;
1707 imesa
->globalRegMask
.s3d
.zBufCtrl
.ni
.zCmpFunc
= 0x7;
1708 imesa
->globalRegMask
.s3d
.zBufCtrl
.ni
.zBufEn
= 0x1;
1710 void savageDDInitState( savageContextPtr imesa
) {
1711 memset (imesa
->regs
.ui
, 0, SAVAGE_NR_REGS
*sizeof(uint32_t));
1712 memset (imesa
->oldRegs
.ui
, 0, SAVAGE_NR_REGS
*sizeof(uint32_t));
1713 memset (imesa
->globalRegMask
.ui
, 0xff, SAVAGE_NR_REGS
*sizeof(uint32_t));
1714 if (imesa
->savageScreen
->chipset
>= S3_SAVAGE4
)
1715 savageDDInitState_s4 (imesa
);
1717 savageDDInitState_s3d (imesa
);
1719 /*fprintf(stderr,"DBflag:%d\n",imesa->glCtx->Visual->DBflag);*/
1720 /* zbufoffset and destctrl have the same position and layout on
1721 * savage4 and savage3d. */
1722 imesa
->regs
.s4
.destCtrl
.ni
.offset
= imesa
->savageScreen
->backOffset
>>11;
1723 if(imesa
->savageScreen
->cpp
== 2)
1725 imesa
->regs
.s4
.destCtrl
.ni
.dstPixFmt
= 0;
1726 imesa
->regs
.s4
.destCtrl
.ni
.dstWidthInTile
=
1727 (imesa
->savageScreen
->width
+63)>>6;
1731 imesa
->regs
.s4
.destCtrl
.ni
.dstPixFmt
= 1;
1732 imesa
->regs
.s4
.destCtrl
.ni
.dstWidthInTile
=
1733 (imesa
->savageScreen
->width
+31)>>5;
1736 imesa
->IsDouble
= GL_TRUE
;
1738 imesa
->NotFirstFrame
= GL_FALSE
;
1739 imesa
->regs
.s4
.zBufOffset
.ni
.offset
=imesa
->savageScreen
->depthOffset
>>11;
1740 if(imesa
->savageScreen
->zpp
== 2)
1742 imesa
->regs
.s4
.zBufOffset
.ni
.zBufWidthInTiles
=
1743 (imesa
->savageScreen
->width
+63)>>6;
1744 imesa
->regs
.s4
.zBufOffset
.ni
.zDepthSelect
= 0;
1748 imesa
->regs
.s4
.zBufOffset
.ni
.zBufWidthInTiles
=
1749 (imesa
->savageScreen
->width
+31)>>5;
1750 imesa
->regs
.s4
.zBufOffset
.ni
.zDepthSelect
= 1;
1753 if (imesa
->glCtx
->Color
._DrawDestMask
[0] == DD_BACK_LEFT_BIT
) {
1754 if(imesa
->IsFullScreen
)
1756 imesa
->toggle
= TARGET_BACK
;
1758 imesa
->drawMap
= (char *)imesa
->apertureBase
[imesa
->toggle
];
1759 imesa
->readMap
= (char *)imesa
->apertureBase
[imesa
->toggle
];
1763 imesa
->drawMap
= (char *)imesa
->apertureBase
[TARGET_BACK
];
1764 imesa
->readMap
= (char *)imesa
->apertureBase
[TARGET_BACK
];
1769 if(imesa
->IsFullScreen
)
1771 imesa
->toggle
= TARGET_BACK
;
1773 imesa
->drawMap
= (char *)imesa
->apertureBase
[imesa
->toggle
];
1774 imesa
->readMap
= (char *)imesa
->apertureBase
[imesa
->toggle
];
1778 imesa
->drawMap
= (char *)imesa
->apertureBase
[TARGET_BACK
];
1779 imesa
->readMap
= (char *)imesa
->apertureBase
[TARGET_BACK
];
1785 #define INTERESTED (~(NEW_MODELVIEW|NEW_PROJECTION|\
1786 NEW_TEXTURE_MATRIX|\
1787 NEW_USER_CLIP|NEW_CLIENT_STATE))
1789 void savageDDRenderStart(GLcontext
*ctx
)
1791 savageContextPtr imesa
= SAVAGE_CONTEXT( ctx
);
1792 __DRIdrawablePrivate
*dPriv
= imesa
->driDrawable
;
1793 drm_clip_rect_t
*pbox
;
1796 /* if the screen is overrided by other application. set the scissor.
1797 * In MulitPass, re-render the screen.
1799 pbox
= dPriv
->pClipRects
;
1800 nbox
= dPriv
->numClipRects
;
1803 imesa
->currentClip
= nbox
;
1804 /* set scissor to the first clip box*/
1805 savageDDScissor(ctx
,pbox
->x1
,pbox
->y1
,pbox
->x2
,pbox
->y2
);
1807 /*savageDDUpdateHwState(ctx);*/ /* update to hardware register*/
1809 else /* need not render at all*/
1811 /*ctx->VB->CopyStart = ctx->VB->Count;*/
1816 void savageDDRenderEnd(GLcontext
*ctx
)
1820 static void savageDDInvalidateState( GLcontext
*ctx
, GLuint new_state
)
1822 _swrast_InvalidateState( ctx
, new_state
);
1823 _swsetup_InvalidateState( ctx
, new_state
);
1824 _ac_InvalidateState( ctx
, new_state
);
1825 _tnl_InvalidateState( ctx
, new_state
);
1826 SAVAGE_CONTEXT(ctx
)->new_gl_state
|= new_state
;
1830 void savageDDInitStateFuncs(GLcontext
*ctx
)
1832 ctx
->Driver
.UpdateState
= savageDDInvalidateState
;
1833 ctx
->Driver
.BlendEquationSeparate
= savageDDBlendEquationSeparate
;
1834 ctx
->Driver
.Fogfv
= savageDDFogfv
;
1835 ctx
->Driver
.Scissor
= savageDDScissor
;
1837 ctx
->Driver
.CullFace
= savageDDCullFaceFrontFace
;
1838 ctx
->Driver
.FrontFace
= savageDDCullFaceFrontFace
;
1840 ctx
->Driver
.CullFace
= 0;
1841 ctx
->Driver
.FrontFace
= 0;
1842 #endif /* end #if HW_CULL */
1843 ctx
->Driver
.PolygonMode
=NULL
;
1844 ctx
->Driver
.PolygonStipple
= 0;
1845 ctx
->Driver
.LineStipple
= 0;
1846 ctx
->Driver
.LineWidth
= 0;
1847 ctx
->Driver
.LogicOpcode
= 0;
1848 ctx
->Driver
.DrawBuffer
= savageDDDrawBuffer
;
1849 ctx
->Driver
.ReadBuffer
= savageDDReadBuffer
;
1850 ctx
->Driver
.ClearColor
= savageDDClearColor
;
1852 ctx
->Driver
.DepthRange
= savageDepthRange
;
1853 ctx
->Driver
.Viewport
= savageViewport
;
1854 ctx
->Driver
.RenderMode
= savageRenderMode
;
1856 ctx
->Driver
.ClearIndex
= 0;
1857 ctx
->Driver
.IndexMask
= 0;
1859 if (SAVAGE_CONTEXT( ctx
)->savageScreen
->chipset
>= S3_SAVAGE4
) {
1860 ctx
->Driver
.Enable
= savageDDEnable_s4
;
1861 ctx
->Driver
.AlphaFunc
= savageDDAlphaFunc_s4
;
1862 ctx
->Driver
.DepthFunc
= savageDDDepthFunc_s4
;
1863 ctx
->Driver
.DepthMask
= savageDDDepthMask_s4
;
1864 ctx
->Driver
.BlendFuncSeparate
= savageDDBlendFuncSeparate_s4
;
1865 ctx
->Driver
.ColorMask
= savageDDColorMask_s4
;
1866 ctx
->Driver
.ShadeModel
= savageDDShadeModel_s4
;
1867 ctx
->Driver
.LightModelfv
= savageDDLightModelfv_s4
;
1868 ctx
->Driver
.StencilFunc
= savageDDStencilFunc
;
1869 ctx
->Driver
.StencilMask
= savageDDStencilMask
;
1870 ctx
->Driver
.StencilOp
= savageDDStencilOp
;
1872 ctx
->Driver
.Enable
= savageDDEnable_s3d
;
1873 ctx
->Driver
.AlphaFunc
= savageDDAlphaFunc_s3d
;
1874 ctx
->Driver
.DepthFunc
= savageDDDepthFunc_s3d
;
1875 ctx
->Driver
.DepthMask
= savageDDDepthMask_s3d
;
1876 ctx
->Driver
.BlendFuncSeparate
= savageDDBlendFuncSeparate_s3d
;
1877 ctx
->Driver
.ColorMask
= savageDDColorMask_s3d
;
1878 ctx
->Driver
.ShadeModel
= savageDDShadeModel_s3d
;
1879 ctx
->Driver
.LightModelfv
= savageDDLightModelfv_s3d
;
1880 ctx
->Driver
.StencilFunc
= 0;
1881 ctx
->Driver
.StencilMask
= 0;
1882 ctx
->Driver
.StencilOp
= 0;
1885 /* Swrast hooks for imaging extensions:
1887 ctx
->Driver
.CopyColorTable
= _swrast_CopyColorTable
;
1888 ctx
->Driver
.CopyColorSubTable
= _swrast_CopyColorSubTable
;
1889 ctx
->Driver
.CopyConvolutionFilter1D
= _swrast_CopyConvolutionFilter1D
;
1890 ctx
->Driver
.CopyConvolutionFilter2D
= _swrast_CopyConvolutionFilter2D
;