1 /* $XFree86: xc/lib/GL/mesa/src/drv/i810/i810state.c,v 1.9 2002/10/30 12:51:33 alanh Exp $ */
15 #include "i810screen.h"
18 #include "i810context.h"
19 #include "i810state.h"
23 #include "i810ioctl.h"
25 #include "swrast/swrast.h"
26 #include "array_cache/acache.h"
28 #include "swrast_setup/swrast_setup.h"
30 #include "tnl/t_pipeline.h"
32 static __inline__ GLuint
i810PackColor(GLuint format
,
37 if (I810_DEBUG
&DEBUG_DRI
)
38 fprintf(stderr
, "%s\n", __FUNCTION__
);
42 return PACK_COLOR_1555( a
, r
, g
, b
);
44 return PACK_COLOR_565( r
, g
, b
);
46 fprintf(stderr
, "unknown format %d\n", (int)format
);
52 static void i810AlphaFunc(GLcontext
*ctx
, GLenum func
, GLfloat ref
)
54 i810ContextPtr imesa
= I810_CONTEXT(ctx
);
55 GLuint a
= (ZA_UPDATE_ALPHAFUNC
|ZA_UPDATE_ALPHAREF
);
58 CLAMPED_FLOAT_TO_UBYTE(refByte
, ref
);
60 switch (ctx
->Color
.AlphaFunc
) {
61 case GL_NEVER
: a
|= ZA_ALPHA_NEVER
; break;
62 case GL_LESS
: a
|= ZA_ALPHA_LESS
; break;
63 case GL_GEQUAL
: a
|= ZA_ALPHA_GEQUAL
; break;
64 case GL_LEQUAL
: a
|= ZA_ALPHA_LEQUAL
; break;
65 case GL_GREATER
: a
|= ZA_ALPHA_GREATER
; break;
66 case GL_NOTEQUAL
: a
|= ZA_ALPHA_NOTEQUAL
; break;
67 case GL_EQUAL
: a
|= ZA_ALPHA_EQUAL
; break;
68 case GL_ALWAYS
: a
|= ZA_ALPHA_ALWAYS
; break;
72 a
|= ((refByte
& 0xfc) << ZA_ALPHAREF_SHIFT
);
74 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
75 imesa
->Setup
[I810_CTXREG_ZA
] &= ~(ZA_ALPHA_MASK
|ZA_ALPHAREF_MASK
);
76 imesa
->Setup
[I810_CTXREG_ZA
] |= a
;
79 static void i810BlendEquationSeparate(GLcontext
*ctx
,
80 GLenum modeRGB
, GLenum modeA
)
82 assert( modeRGB
== modeA
);
84 /* Can only do GL_ADD equation in hardware */
85 FALLBACK( I810_CONTEXT(ctx
), I810_FALLBACK_BLEND_EQ
,
86 modeRGB
!= GL_FUNC_ADD
);
88 /* BlendEquation sets ColorLogicOpEnabled in an unexpected
91 FALLBACK( I810_CONTEXT(ctx
), I810_FALLBACK_LOGICOP
,
92 (ctx
->Color
.ColorLogicOpEnabled
&&
93 ctx
->Color
.LogicOp
!= GL_COPY
));
96 static void i810BlendFuncSeparate( GLcontext
*ctx
, GLenum sfactorRGB
,
97 GLenum dfactorRGB
, GLenum sfactorA
,
100 i810ContextPtr imesa
= I810_CONTEXT(ctx
);
101 GLuint a
= SDM_UPDATE_SRC_BLEND
| SDM_UPDATE_DST_BLEND
;
102 GLboolean fallback
= GL_FALSE
;
104 switch (ctx
->Color
.BlendSrcRGB
) {
105 case GL_ZERO
: a
|= SDM_SRC_ZERO
; break;
106 case GL_SRC_ALPHA
: a
|= SDM_SRC_SRC_ALPHA
; break;
107 case GL_ONE
: a
|= SDM_SRC_ONE
; break;
108 case GL_DST_COLOR
: a
|= SDM_SRC_DST_COLOR
; break;
109 case GL_ONE_MINUS_DST_COLOR
: a
|= SDM_SRC_INV_DST_COLOR
; break;
110 case GL_ONE_MINUS_SRC_ALPHA
: a
|= SDM_SRC_INV_SRC_ALPHA
; break;
111 case GL_DST_ALPHA
: a
|= SDM_SRC_ONE
; break;
112 case GL_ONE_MINUS_DST_ALPHA
: a
|= SDM_SRC_ZERO
; break;
113 case GL_SRC_ALPHA_SATURATE
: /*a |= SDM_SRC_SRC_ALPHA; break;*/
114 case GL_CONSTANT_COLOR
:
115 case GL_ONE_MINUS_CONSTANT_COLOR
:
116 case GL_CONSTANT_ALPHA
:
117 case GL_ONE_MINUS_CONSTANT_ALPHA
:
124 switch (ctx
->Color
.BlendDstRGB
) {
125 case GL_SRC_ALPHA
: a
|= SDM_DST_SRC_ALPHA
; break;
126 case GL_ONE_MINUS_SRC_ALPHA
: a
|= SDM_DST_INV_SRC_ALPHA
; break;
127 case GL_ZERO
: a
|= SDM_DST_ZERO
; break;
128 case GL_ONE
: a
|= SDM_DST_ONE
; break;
129 case GL_SRC_COLOR
: a
|= SDM_DST_SRC_COLOR
; break;
130 case GL_ONE_MINUS_SRC_COLOR
: a
|= SDM_DST_INV_SRC_COLOR
; break;
131 case GL_DST_ALPHA
: a
|= SDM_DST_ONE
; break;
132 case GL_ONE_MINUS_DST_ALPHA
: a
|= SDM_DST_ZERO
; break;
133 case GL_CONSTANT_COLOR
:
134 case GL_ONE_MINUS_CONSTANT_COLOR
:
135 case GL_CONSTANT_ALPHA
:
136 case GL_ONE_MINUS_CONSTANT_ALPHA
:
143 FALLBACK( imesa
, I810_FALLBACK_BLEND_FUNC
, fallback
);
145 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
146 imesa
->Setup
[I810_CTXREG_SDM
] &= ~(SDM_SRC_MASK
|SDM_DST_MASK
);
147 imesa
->Setup
[I810_CTXREG_SDM
] |= a
;
153 static void i810DepthFunc(GLcontext
*ctx
, GLenum func
)
155 i810ContextPtr imesa
= I810_CONTEXT(ctx
);
159 case GL_NEVER
: zmode
= LCS_Z_NEVER
; break;
160 case GL_ALWAYS
: zmode
= LCS_Z_ALWAYS
; break;
161 case GL_LESS
: zmode
= LCS_Z_LESS
; break;
162 case GL_LEQUAL
: zmode
= LCS_Z_LEQUAL
; break;
163 case GL_EQUAL
: zmode
= LCS_Z_EQUAL
; break;
164 case GL_GREATER
: zmode
= LCS_Z_GREATER
; break;
165 case GL_GEQUAL
: zmode
= LCS_Z_GEQUAL
; break;
166 case GL_NOTEQUAL
: zmode
= LCS_Z_NOTEQUAL
; break;
170 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
171 imesa
->Setup
[I810_CTXREG_LCS
] &= ~LCS_Z_MASK
;
172 imesa
->Setup
[I810_CTXREG_LCS
] |= zmode
;
175 static void i810DepthMask(GLcontext
*ctx
, GLboolean flag
)
177 i810ContextPtr imesa
= I810_CONTEXT(ctx
);
178 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
181 imesa
->Setup
[I810_CTXREG_B2
] |= B2_ZB_WRITE_ENABLE
;
183 imesa
->Setup
[I810_CTXREG_B2
] &= ~B2_ZB_WRITE_ENABLE
;
187 /* =============================================================
190 * The i810 supports a 4x4 stipple natively, GL wants 32x32.
191 * Fortunately stipple is usually a repeating pattern.
193 static void i810PolygonStipple( GLcontext
*ctx
, const GLubyte
*mask
)
195 i810ContextPtr imesa
= I810_CONTEXT(ctx
);
196 const GLubyte
*m
= mask
;
199 int active
= (ctx
->Polygon
.StippleFlag
&&
200 imesa
->reduced_primitive
== GL_TRIANGLES
);
204 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
205 imesa
->Setup
[I810_CTXREG_ST1
] &= ~ST1_ENABLE
;
208 p
[0] = mask
[12] & 0xf; p
[0] |= p
[0] << 4;
209 p
[1] = mask
[8] & 0xf; p
[1] |= p
[1] << 4;
210 p
[2] = mask
[4] & 0xf; p
[2] |= p
[2] << 4;
211 p
[3] = mask
[0] & 0xf; p
[3] |= p
[3] << 4;
213 for (k
= 0 ; k
< 8 ; k
++)
214 for (j
= 0 ; j
< 4; j
++)
215 for (i
= 0 ; i
< 4 ; i
++)
217 imesa
->stipple_in_hw
= 0;
221 newMask
= ((p
[0] & 0xf) << 0) |
222 ((p
[1] & 0xf) << 4) |
223 ((p
[2] & 0xf) << 8) |
224 ((p
[3] & 0xf) << 12);
226 if (newMask
== 0xffff) {
227 /* this is needed to make conform pass */
228 imesa
->stipple_in_hw
= 0;
232 imesa
->Setup
[I810_CTXREG_ST1
] &= ~0xffff;
233 imesa
->Setup
[I810_CTXREG_ST1
] |= newMask
;
234 imesa
->stipple_in_hw
= 1;
237 imesa
->Setup
[I810_CTXREG_ST1
] |= ST1_ENABLE
;
242 /* =============================================================
247 static void i810Scissor( GLcontext
*ctx
, GLint x
, GLint y
,
248 GLsizei w
, GLsizei h
)
250 i810ContextPtr imesa
= I810_CONTEXT(ctx
);
252 if (ctx
->Scissor
.Enabled
) {
253 I810_FIREVERTICES(imesa
); /* don't pipeline cliprect changes */
254 imesa
->upload_cliprects
= GL_TRUE
;
257 imesa
->scissor_rect
.x1
= x
;
258 imesa
->scissor_rect
.y1
= imesa
->driDrawable
->h
- (y
+ h
);
259 imesa
->scissor_rect
.x2
= x
+ w
;
260 imesa
->scissor_rect
.y2
= imesa
->driDrawable
->h
- y
;
264 static void i810LogicOp( GLcontext
*ctx
, GLenum opcode
)
266 i810ContextPtr imesa
= I810_CONTEXT(ctx
);
267 FALLBACK( imesa
, I810_FALLBACK_LOGICOP
,
268 (ctx
->Color
.ColorLogicOpEnabled
&& opcode
!= GL_COPY
) );
271 /* Fallback to swrast for select and feedback.
273 static void i810RenderMode( GLcontext
*ctx
, GLenum mode
)
275 i810ContextPtr imesa
= I810_CONTEXT(ctx
);
276 FALLBACK( imesa
, I810_FALLBACK_RENDERMODE
, (mode
!= GL_RENDER
) );
280 void i810DrawBuffer(GLcontext
*ctx
, GLenum mode
)
282 i810ContextPtr imesa
= I810_CONTEXT(ctx
);
286 * _DrawDestMask is easier to cope with than <mode>.
288 switch ( ctx
->Color
._DrawDestMask
[0] ) {
289 case DD_FRONT_LEFT_BIT
:
292 case DD_BACK_LEFT_BIT
:
296 /* GL_NONE or GL_FRONT_AND_BACK or stereo left&right, etc */
297 FALLBACK( imesa
, I810_FALLBACK_DRAW_BUFFER
, GL_TRUE
);
301 if ( imesa
->sarea
->pf_current_page
== 1 )
304 FALLBACK( imesa
, I810_FALLBACK_DRAW_BUFFER
, GL_FALSE
);
305 I810_FIREVERTICES(imesa
);
306 I810_STATECHANGE(imesa
, I810_UPLOAD_BUFFERS
);
310 imesa
->BufferSetup
[I810_DESTREG_DI1
] = (imesa
->i810Screen
->fbOffset
|
311 imesa
->i810Screen
->backPitchBits
);
312 i810XMesaSetFrontClipRects( imesa
);
316 imesa
->BufferSetup
[I810_DESTREG_DI1
] = (imesa
->i810Screen
->backOffset
|
317 imesa
->i810Screen
->backPitchBits
);
318 i810XMesaSetBackClipRects( imesa
);
321 /* We want to update the s/w rast state too so that r200SetBuffer()
324 _swrast_DrawBuffer(ctx
, mode
);
328 static void i810ReadBuffer(GLcontext
*ctx
, GLenum mode
)
334 static void i810ClearColor(GLcontext
*ctx
, const GLfloat color
[4] )
336 i810ContextPtr imesa
= I810_CONTEXT(ctx
);
338 CLAMPED_FLOAT_TO_UBYTE(c
[0], color
[0]);
339 CLAMPED_FLOAT_TO_UBYTE(c
[1], color
[1]);
340 CLAMPED_FLOAT_TO_UBYTE(c
[2], color
[2]);
341 CLAMPED_FLOAT_TO_UBYTE(c
[3], color
[3]);
342 imesa
->ClearColor
= i810PackColor( imesa
->i810Screen
->fbFormat
,
343 c
[0], c
[1], c
[2], c
[3] );
347 /* =============================================================
348 * Culling - the i810 isn't quite as clean here as the rest of
349 * its interfaces, but it's not bad.
351 static void i810CullFaceFrontFace(GLcontext
*ctx
, GLenum unused
)
353 i810ContextPtr imesa
= I810_CONTEXT(ctx
);
354 GLuint mode
= LCS_CULL_BOTH
;
356 if (ctx
->Polygon
.CullFaceMode
!= GL_FRONT_AND_BACK
) {
358 if (ctx
->Polygon
.CullFaceMode
== GL_FRONT
)
359 mode
^= (LCS_CULL_CW
^ LCS_CULL_CCW
);
360 if (ctx
->Polygon
.FrontFace
!= GL_CCW
)
361 mode
^= (LCS_CULL_CW
^ LCS_CULL_CCW
);
364 imesa
->LcsCullMode
= mode
;
366 if (ctx
->Polygon
.CullFlag
)
368 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
369 imesa
->Setup
[I810_CTXREG_LCS
] &= ~LCS_CULL_MASK
;
370 imesa
->Setup
[I810_CTXREG_LCS
] |= mode
;
375 static void i810LineWidth( GLcontext
*ctx
, GLfloat widthf
)
377 i810ContextPtr imesa
= I810_CONTEXT( ctx
);
378 int width
= (int)ctx
->Line
._Width
;
380 imesa
->LcsLineWidth
= 0;
381 if (width
& 1) imesa
->LcsLineWidth
|= LCS_LINEWIDTH_1_0
;
382 if (width
& 2) imesa
->LcsLineWidth
|= LCS_LINEWIDTH_2_0
;
384 if (imesa
->reduced_primitive
== GL_LINES
) {
385 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
386 imesa
->Setup
[I810_CTXREG_LCS
] &= ~LCS_LINEWIDTH_3_0
;
387 imesa
->Setup
[I810_CTXREG_LCS
] |= imesa
->LcsLineWidth
;
391 static void i810PointSize( GLcontext
*ctx
, GLfloat sz
)
393 i810ContextPtr imesa
= I810_CONTEXT( ctx
);
394 int size
= (int)ctx
->Point
._Size
;
396 imesa
->LcsPointSize
= 0;
397 if (size
& 1) imesa
->LcsPointSize
|= LCS_LINEWIDTH_1_0
;
398 if (size
& 2) imesa
->LcsPointSize
|= LCS_LINEWIDTH_2_0
;
400 if (imesa
->reduced_primitive
== GL_POINTS
) {
401 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
402 imesa
->Setup
[I810_CTXREG_LCS
] &= ~LCS_LINEWIDTH_3_0
;
403 imesa
->Setup
[I810_CTXREG_LCS
] |= imesa
->LcsPointSize
;
407 /* =============================================================
411 static void i810ColorMask(GLcontext
*ctx
,
412 GLboolean r
, GLboolean g
,
413 GLboolean b
, GLboolean a
)
415 i810ContextPtr imesa
= I810_CONTEXT( ctx
);
419 tmp
= imesa
->Setup
[I810_CTXREG_B2
] | B2_FB_WRITE_ENABLE
;
420 FALLBACK( imesa
, I810_FALLBACK_COLORMASK
, GL_FALSE
);
421 } else if (!r
&& !g
&& !b
) {
422 tmp
= imesa
->Setup
[I810_CTXREG_B2
] & ~B2_FB_WRITE_ENABLE
;
423 FALLBACK( imesa
, I810_FALLBACK_COLORMASK
, GL_FALSE
);
425 FALLBACK( imesa
, I810_FALLBACK_COLORMASK
, GL_TRUE
);
429 if (tmp
!= imesa
->Setup
[I810_CTXREG_B2
]) {
430 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
431 imesa
->Setup
[I810_CTXREG_B2
] = tmp
;
432 imesa
->dirty
|= I810_UPLOAD_CTX
;
436 /* Seperate specular not fully implemented on the i810.
438 static void i810LightModelfv(GLcontext
*ctx
, GLenum pname
,
439 const GLfloat
*param
)
441 if (pname
== GL_LIGHT_MODEL_COLOR_CONTROL
)
443 i810ContextPtr imesa
= I810_CONTEXT( ctx
);
444 FALLBACK( imesa
, I810_FALLBACK_SPECULAR
,
445 (ctx
->Light
.Enabled
&&
446 ctx
->Light
.Model
.ColorControl
== GL_SEPARATE_SPECULAR_COLOR
));
450 /* But the 815 has it...
452 static void i810LightModelfv_i815(GLcontext
*ctx
, GLenum pname
,
453 const GLfloat
*param
)
455 if (pname
== GL_LIGHT_MODEL_COLOR_CONTROL
)
457 i810ContextPtr imesa
= I810_CONTEXT( ctx
);
459 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
460 if (ctx
->Light
.Model
.ColorControl
== GL_SEPARATE_SPECULAR_COLOR
)
461 imesa
->Setup
[I810_CTXREG_B1
] |= B1_SPEC_ENABLE
;
463 imesa
->Setup
[I810_CTXREG_B1
] &= ~B1_SPEC_ENABLE
;
467 /* In Mesa 3.5 we can reliably do native flatshading.
469 static void i810ShadeModel(GLcontext
*ctx
, GLenum mode
)
471 i810ContextPtr imesa
= I810_CONTEXT(ctx
);
472 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
474 imesa
->Setup
[I810_CTXREG_LCS
] |= LCS_INTERP_FLAT
;
476 imesa
->Setup
[I810_CTXREG_LCS
] &= ~LCS_INTERP_FLAT
;
481 /* =============================================================
484 static void i810Fogfv(GLcontext
*ctx
, GLenum pname
, const GLfloat
*param
)
486 i810ContextPtr imesa
= I810_CONTEXT(ctx
);
488 if (pname
== GL_FOG_COLOR
) {
489 GLuint color
= (((GLubyte
)(ctx
->Fog
.Color
[0]*255.0F
) << 16) |
490 ((GLubyte
)(ctx
->Fog
.Color
[1]*255.0F
) << 8) |
491 ((GLubyte
)(ctx
->Fog
.Color
[2]*255.0F
) << 0));
493 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
494 imesa
->Setup
[I810_CTXREG_FOG
] = ((GFX_OP_FOG_COLOR
| color
) &
500 /* =============================================================
502 static void i810Enable(GLcontext
*ctx
, GLenum cap
, GLboolean state
)
504 i810ContextPtr imesa
= I810_CONTEXT(ctx
);
508 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
509 imesa
->Setup
[I810_CTXREG_B1
] &= ~B1_ALPHA_TEST_ENABLE
;
511 imesa
->Setup
[I810_CTXREG_B1
] |= B1_ALPHA_TEST_ENABLE
;
514 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
515 imesa
->Setup
[I810_CTXREG_B1
] &= ~B1_BLEND_ENABLE
;
517 imesa
->Setup
[I810_CTXREG_B1
] |= B1_BLEND_ENABLE
;
519 /* For some reason enable(GL_BLEND) affects ColorLogicOpEnabled.
521 FALLBACK( imesa
, I810_FALLBACK_LOGICOP
,
522 (ctx
->Color
.ColorLogicOpEnabled
&&
523 ctx
->Color
.LogicOp
!= GL_COPY
));
526 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
527 imesa
->Setup
[I810_CTXREG_B1
] &= ~B1_Z_TEST_ENABLE
;
529 imesa
->Setup
[I810_CTXREG_B1
] |= B1_Z_TEST_ENABLE
;
531 case GL_SCISSOR_TEST
:
532 /* XXX without these next two lines, conform's scissor test fails */
533 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
534 I810_STATECHANGE(imesa
, I810_UPLOAD_BUFFERS
);
535 I810_FIREVERTICES(imesa
); /* don't pipeline cliprect changes */
536 imesa
->upload_cliprects
= GL_TRUE
;
537 imesa
->scissor
= state
;
539 case GL_POLYGON_STIPPLE
:
540 if (imesa
->stipple_in_hw
&& imesa
->reduced_primitive
== GL_TRIANGLES
)
542 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
543 imesa
->Setup
[I810_CTXREG_ST1
] &= ~ST1_ENABLE
;
545 imesa
->Setup
[I810_CTXREG_ST1
] |= ST1_ENABLE
;
549 /* Need to fatten the lines by .5, or they disappear...
551 if (imesa
->reduced_primitive
== GL_LINES
) {
552 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
553 imesa
->Setup
[I810_CTXREG_AA
] &= ~AA_ENABLE
;
554 imesa
->Setup
[I810_CTXREG_LCS
] &= ~LCS_LINEWIDTH_0_5
;
556 imesa
->Setup
[I810_CTXREG_AA
] |= AA_ENABLE
;
557 imesa
->Setup
[I810_CTXREG_LCS
] |= LCS_LINEWIDTH_0_5
;
561 case GL_POINT_SMOOTH
:
562 if (imesa
->reduced_primitive
== GL_POINTS
) {
563 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
564 imesa
->Setup
[I810_CTXREG_AA
] &= ~AA_ENABLE
;
565 imesa
->Setup
[I810_CTXREG_LCS
] &= ~LCS_LINEWIDTH_0_5
;
567 imesa
->Setup
[I810_CTXREG_AA
] |= AA_ENABLE
;
568 imesa
->Setup
[I810_CTXREG_LCS
] |= LCS_LINEWIDTH_0_5
;
572 case GL_POLYGON_SMOOTH
:
573 if (imesa
->reduced_primitive
== GL_TRIANGLES
) {
574 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
575 imesa
->Setup
[I810_CTXREG_AA
] &= ~AA_ENABLE
;
577 imesa
->Setup
[I810_CTXREG_AA
] |= AA_ENABLE
;
581 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
582 imesa
->Setup
[I810_CTXREG_B1
] &= ~B1_FOG_ENABLE
;
584 imesa
->Setup
[I810_CTXREG_B1
] |= B1_FOG_ENABLE
;
587 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
588 imesa
->Setup
[I810_CTXREG_LCS
] &= ~LCS_CULL_MASK
;
590 imesa
->Setup
[I810_CTXREG_LCS
] |= imesa
->LcsCullMode
;
592 imesa
->Setup
[I810_CTXREG_LCS
] |= LCS_CULL_DISABLE
;
595 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
596 if (ctx
->Texture
.CurrentUnit
== 0) {
597 imesa
->Setup
[I810_CTXREG_MT
] &= ~MT_TEXEL0_ENABLE
;
599 imesa
->Setup
[I810_CTXREG_MT
] |= MT_TEXEL0_ENABLE
;
601 imesa
->Setup
[I810_CTXREG_MT
] &= ~MT_TEXEL1_ENABLE
;
603 imesa
->Setup
[I810_CTXREG_MT
] |= MT_TEXEL1_ENABLE
;
606 case GL_COLOR_LOGIC_OP
:
607 FALLBACK( imesa
, I810_FALLBACK_LOGICOP
,
608 (state
&& ctx
->Color
.LogicOp
!= GL_COPY
));
610 case GL_STENCIL_TEST
:
611 FALLBACK( imesa
, I810_FALLBACK_STENCIL
, state
);
624 /* =============================================================
630 void i810EmitDrawingRectangle( i810ContextPtr imesa
)
632 __DRIdrawablePrivate
*dPriv
= imesa
->driDrawable
;
633 i810ScreenPrivate
*i810Screen
= imesa
->i810Screen
;
634 int x0
= imesa
->drawX
;
635 int y0
= imesa
->drawY
;
636 int x1
= x0
+ dPriv
->w
;
637 int y1
= y0
+ dPriv
->h
;
638 GLuint dr2
, dr3
, dr4
;
641 /* Coordinate origin of the window - may be offscreen.
643 dr4
= imesa
->BufferSetup
[I810_DESTREG_DR4
] = ((y0
<<16) |
644 (((unsigned)x0
)&0xFFFF));
650 if (x1
> i810Screen
->width
-1) x1
= i810Screen
->width
-1;
651 if (y1
> i810Screen
->height
-1) y1
= i810Screen
->height
-1;
654 /* Onscreen drawing rectangle.
656 dr2
= imesa
->BufferSetup
[I810_DESTREG_DR2
] = ((y0
<<16) | x0
);
657 dr3
= imesa
->BufferSetup
[I810_DESTREG_DR3
] = (((y1
+1)<<16) | (x1
+1));
660 imesa
->dirty
|= I810_UPLOAD_BUFFERS
;
665 static void i810CalcViewport( GLcontext
*ctx
)
667 i810ContextPtr imesa
= I810_CONTEXT(ctx
);
668 const GLfloat
*v
= ctx
->Viewport
._WindowMap
.m
;
669 GLfloat
*m
= imesa
->ViewportMatrix
.m
;
671 /* See also i810_translate_vertex. SUBPIXEL adjustments can be done
672 * via state vars, too.
674 m
[MAT_SX
] = v
[MAT_SX
];
675 m
[MAT_TX
] = v
[MAT_TX
] + SUBPIXEL_X
;
676 m
[MAT_SY
] = - v
[MAT_SY
];
677 m
[MAT_TY
] = - v
[MAT_TY
] + imesa
->driDrawable
->h
+ SUBPIXEL_Y
;
678 m
[MAT_SZ
] = v
[MAT_SZ
] * (1.0 / 0xffff);
679 m
[MAT_TZ
] = v
[MAT_TZ
] * (1.0 / 0xffff);
682 static void i810Viewport( GLcontext
*ctx
,
684 GLsizei width
, GLsizei height
)
686 /* update size of Mesa/software ancillary buffers */
687 _mesa_ResizeBuffersMESA();
688 i810CalcViewport( ctx
);
691 static void i810DepthRange( GLcontext
*ctx
,
692 GLclampd nearval
, GLclampd farval
)
694 i810CalcViewport( ctx
);
699 void i810PrintDirty( const char *msg
, GLuint state
)
701 fprintf(stderr
, "%s (0x%x): %s%s%s%s\n",
703 (unsigned int) state
,
704 (state
& I810_UPLOAD_TEX0
) ? "upload-tex0, " : "",
705 (state
& I810_UPLOAD_TEX1
) ? "upload-tex1, " : "",
706 (state
& I810_UPLOAD_CTX
) ? "upload-ctx, " : "",
707 (state
& I810_UPLOAD_BUFFERS
) ? "upload-bufs, " : ""
713 void i810InitState( GLcontext
*ctx
)
715 i810ContextPtr imesa
= I810_CONTEXT(ctx
);
716 i810ScreenPrivate
*i810Screen
= imesa
->i810Screen
;
718 memset(imesa
->Setup
, 0, sizeof(imesa
->Setup
));
720 imesa
->Setup
[I810_CTXREG_VF
] = 0;
722 imesa
->Setup
[I810_CTXREG_MT
] = (GFX_OP_MAP_TEXELS
|
723 MT_UPDATE_TEXEL1_STATE
|
727 MT_UPDATE_TEXEL0_STATE
|
732 imesa
->Setup
[I810_CTXREG_MC0
] = ( GFX_OP_MAP_COLOR_STAGES
|
737 MC_ARG1_ITERATED_COLOR
|
738 MC_ARG1_DONT_REPLICATE_ALPHA
|
739 MC_ARG1_DONT_INVERT
|
742 MC_ARG2_DONT_REPLICATE_ALPHA
|
743 MC_ARG2_DONT_INVERT
|
747 imesa
->Setup
[I810_CTXREG_MC1
] = ( GFX_OP_MAP_COLOR_STAGES
|
753 MC_ARG1_DONT_REPLICATE_ALPHA
|
754 MC_ARG1_DONT_INVERT
|
757 MC_ARG2_DONT_REPLICATE_ALPHA
|
758 MC_ARG2_DONT_INVERT
|
763 imesa
->Setup
[I810_CTXREG_MC2
] = ( GFX_OP_MAP_COLOR_STAGES
|
768 MC_ARG1_CURRENT_COLOR
|
769 MC_ARG1_REPLICATE_ALPHA
|
770 MC_ARG1_DONT_INVERT
|
773 MC_ARG2_DONT_REPLICATE_ALPHA
|
774 MC_ARG2_DONT_INVERT
|
779 imesa
->Setup
[I810_CTXREG_MA0
] = ( GFX_OP_MAP_ALPHA_STAGES
|
782 MA_ARG1_ITERATED_ALPHA
|
783 MA_ARG1_DONT_INVERT
|
785 MA_ARG2_CURRENT_ALPHA
|
786 MA_ARG2_DONT_INVERT
|
791 imesa
->Setup
[I810_CTXREG_MA1
] = ( GFX_OP_MAP_ALPHA_STAGES
|
794 MA_ARG1_CURRENT_ALPHA
|
795 MA_ARG1_DONT_INVERT
|
797 MA_ARG2_CURRENT_ALPHA
|
798 MA_ARG2_DONT_INVERT
|
803 imesa
->Setup
[I810_CTXREG_MA2
] = ( GFX_OP_MAP_ALPHA_STAGES
|
806 MA_ARG1_CURRENT_ALPHA
|
807 MA_ARG1_DONT_INVERT
|
809 MA_ARG2_CURRENT_ALPHA
|
810 MA_ARG2_DONT_INVERT
|
815 imesa
->Setup
[I810_CTXREG_SDM
] = ( GFX_OP_SRC_DEST_MONO
|
816 SDM_UPDATE_MONO_ENABLE
|
818 SDM_UPDATE_SRC_BLEND
|
820 SDM_UPDATE_DST_BLEND
|
823 /* Use for colormask:
825 imesa
->Setup
[I810_CTXREG_CF0
] = GFX_OP_COLOR_FACTOR
;
826 imesa
->Setup
[I810_CTXREG_CF1
] = 0xffffffff;
828 imesa
->Setup
[I810_CTXREG_ZA
] = (GFX_OP_ZBIAS_ALPHAFUNC
|
829 ZA_UPDATE_ALPHAFUNC
|
836 imesa
->Setup
[I810_CTXREG_FOG
] = (GFX_OP_FOG_COLOR
|
837 (0xffffff & ~FOG_RESERVED_MASK
));
841 imesa
->Setup
[I810_CTXREG_B1
] = ( GFX_OP_BOOL_1
|
842 B1_UPDATE_SPEC_SETUP_ENABLE
|
844 B1_UPDATE_ALPHA_SETUP_ENABLE
|
845 B1_ALPHA_SETUP_ENABLE
|
846 B1_UPDATE_CI_KEY_ENABLE
|
848 B1_UPDATE_CHROMAKEY_ENABLE
|
850 B1_UPDATE_Z_BIAS_ENABLE
|
852 B1_UPDATE_SPEC_ENABLE
|
854 B1_UPDATE_FOG_ENABLE
|
856 B1_UPDATE_ALPHA_TEST_ENABLE
|
858 B1_UPDATE_BLEND_ENABLE
|
860 B1_UPDATE_Z_TEST_ENABLE
|
863 imesa
->Setup
[I810_CTXREG_B2
] = ( GFX_OP_BOOL_2
|
864 B2_UPDATE_MAP_CACHE_ENABLE
|
865 B2_MAP_CACHE_ENABLE
|
866 B2_UPDATE_ALPHA_DITHER_ENABLE
|
868 B2_UPDATE_FOG_DITHER_ENABLE
|
870 B2_UPDATE_SPEC_DITHER_ENABLE
|
872 B2_UPDATE_RGB_DITHER_ENABLE
|
873 B2_RGB_DITHER_ENABLE
|
874 B2_UPDATE_FB_WRITE_ENABLE
|
876 B2_UPDATE_ZB_WRITE_ENABLE
|
877 B2_ZB_WRITE_ENABLE
);
879 imesa
->Setup
[I810_CTXREG_LCS
] = ( GFX_OP_LINEWIDTH_CULL_SHADE_MODE
|
882 LCS_UPDATE_LINEWIDTH
|
884 LCS_UPDATE_ALPHA_INTERP
|
886 LCS_UPDATE_FOG_INTERP
|
888 LCS_UPDATE_SPEC_INTERP
|
890 LCS_UPDATE_RGB_INTERP
|
892 LCS_UPDATE_CULL_MODE
|
895 imesa
->LcsCullMode
= LCS_CULL_CW
;
896 imesa
->LcsLineWidth
= LCS_LINEWIDTH_1_0
;
897 imesa
->LcsPointSize
= LCS_LINEWIDTH_1_0
;
899 imesa
->Setup
[I810_CTXREG_PV
] = ( GFX_OP_PV_RULE
|
910 imesa
->Setup
[I810_CTXREG_ST0
] = GFX_OP_STIPPLE
;
911 imesa
->Setup
[I810_CTXREG_ST1
] = 0;
913 imesa
->Setup
[I810_CTXREG_AA
] = ( GFX_OP_ANTIALIAS
|
916 AA_UPDATE_POLYWIDTH
|
918 AA_UPDATE_LINEWIDTH
|
920 AA_UPDATE_BB_EXPANSION
|
922 AA_UPDATE_AA_ENABLE
|
925 memset(imesa
->BufferSetup
, 0, sizeof(imesa
->BufferSetup
));
926 imesa
->BufferSetup
[I810_DESTREG_DI0
] = CMD_OP_DESTBUFFER_INFO
;
928 if (imesa
->glCtx
->Visual
.doubleBufferMode
&& imesa
->sarea
->pf_current_page
== 0) {
929 /* use back buffer by default */
930 imesa
->drawMap
= i810Screen
->back
.map
;
931 imesa
->readMap
= i810Screen
->back
.map
;
932 imesa
->BufferSetup
[I810_DESTREG_DI1
] = (i810Screen
->backOffset
|
933 i810Screen
->backPitchBits
);
935 /* use front buffer by default */
936 imesa
->drawMap
= (char *)imesa
->driScreen
->pFB
;
937 imesa
->readMap
= (char *)imesa
->driScreen
->pFB
;
938 imesa
->BufferSetup
[I810_DESTREG_DI1
] = (i810Screen
->fbOffset
|
939 i810Screen
->backPitchBits
);
942 imesa
->BufferSetup
[I810_DESTREG_DV0
] = GFX_OP_DESTBUFFER_VARS
;
943 imesa
->BufferSetup
[I810_DESTREG_DV1
] = (DV_HORG_BIAS_OGL
|
945 i810Screen
->fbFormat
);
947 imesa
->BufferSetup
[I810_DESTREG_DR0
] = GFX_OP_DRAWRECT_INFO
;
948 imesa
->BufferSetup
[I810_DESTREG_DR1
] = DR1_RECT_CLIP_ENABLE
;
952 static void i810InvalidateState( GLcontext
*ctx
, GLuint new_state
)
954 _swrast_InvalidateState( ctx
, new_state
);
955 _swsetup_InvalidateState( ctx
, new_state
);
956 _ac_InvalidateState( ctx
, new_state
);
957 _tnl_InvalidateState( ctx
, new_state
);
958 I810_CONTEXT(ctx
)->new_state
|= new_state
;
962 void i810InitStateFuncs(GLcontext
*ctx
)
964 /* Callbacks for internal Mesa events.
966 ctx
->Driver
.UpdateState
= i810InvalidateState
;
970 ctx
->Driver
.AlphaFunc
= i810AlphaFunc
;
971 ctx
->Driver
.BlendEquationSeparate
= i810BlendEquationSeparate
;
972 ctx
->Driver
.BlendFuncSeparate
= i810BlendFuncSeparate
;
973 ctx
->Driver
.ClearColor
= i810ClearColor
;
974 ctx
->Driver
.ColorMask
= i810ColorMask
;
975 ctx
->Driver
.CullFace
= i810CullFaceFrontFace
;
976 ctx
->Driver
.DepthFunc
= i810DepthFunc
;
977 ctx
->Driver
.DepthMask
= i810DepthMask
;
978 ctx
->Driver
.Enable
= i810Enable
;
979 ctx
->Driver
.Fogfv
= i810Fogfv
;
980 ctx
->Driver
.FrontFace
= i810CullFaceFrontFace
;
981 ctx
->Driver
.LineWidth
= i810LineWidth
;
982 ctx
->Driver
.LogicOpcode
= i810LogicOp
;
983 ctx
->Driver
.PolygonStipple
= i810PolygonStipple
;
984 ctx
->Driver
.RenderMode
= i810RenderMode
;
985 ctx
->Driver
.Scissor
= i810Scissor
;
986 ctx
->Driver
.DrawBuffer
= i810DrawBuffer
;
987 ctx
->Driver
.ReadBuffer
= i810ReadBuffer
;
988 ctx
->Driver
.ShadeModel
= i810ShadeModel
;
989 ctx
->Driver
.DepthRange
= i810DepthRange
;
990 ctx
->Driver
.Viewport
= i810Viewport
;
991 ctx
->Driver
.PointSize
= i810PointSize
;
993 if (IS_I815(I810_CONTEXT(ctx
))) {
994 ctx
->Driver
.LightModelfv
= i810LightModelfv_i815
;
996 ctx
->Driver
.LightModelfv
= i810LightModelfv
;
999 /* Pixel path fallbacks.
1001 ctx
->Driver
.Accum
= _swrast_Accum
;
1002 ctx
->Driver
.Bitmap
= _swrast_Bitmap
;
1003 ctx
->Driver
.CopyPixels
= _swrast_CopyPixels
;
1004 ctx
->Driver
.DrawPixels
= _swrast_DrawPixels
;
1005 ctx
->Driver
.ReadPixels
= _swrast_ReadPixels
;
1007 /* Swrast hooks for imaging extensions:
1009 ctx
->Driver
.CopyColorTable
= _swrast_CopyColorTable
;
1010 ctx
->Driver
.CopyColorSubTable
= _swrast_CopyColorSubTable
;
1011 ctx
->Driver
.CopyConvolutionFilter1D
= _swrast_CopyConvolutionFilter1D
;
1012 ctx
->Driver
.CopyConvolutionFilter2D
= _swrast_CopyConvolutionFilter2D
;