4 #include "main/glheader.h"
5 #include "main/context.h"
6 #include "main/macros.h"
8 #include "main/colormac.h"
9 #include "swrast/swrast.h"
11 #include "tnl/t_pipeline.h"
13 #include "swrast_setup/swrast_setup.h"
17 #include "i810screen.h"
20 #include "i810context.h"
21 #include "i810state.h"
25 #include "i810ioctl.h"
28 static INLINE GLuint
i810PackColor(GLuint format
,
33 if (I810_DEBUG
&DEBUG_DRI
)
34 fprintf(stderr
, "%s\n", __FUNCTION__
);
38 return PACK_COLOR_1555( a
, r
, g
, b
);
40 return PACK_COLOR_565( r
, g
, b
);
42 fprintf(stderr
, "unknown format %d\n", (int)format
);
48 static void i810AlphaFunc(GLcontext
*ctx
, GLenum func
, GLfloat ref
)
50 i810ContextPtr imesa
= I810_CONTEXT(ctx
);
51 GLuint a
= (ZA_UPDATE_ALPHAFUNC
|ZA_UPDATE_ALPHAREF
);
54 CLAMPED_FLOAT_TO_UBYTE(refByte
, ref
);
56 switch (ctx
->Color
.AlphaFunc
) {
57 case GL_NEVER
: a
|= ZA_ALPHA_NEVER
; break;
58 case GL_LESS
: a
|= ZA_ALPHA_LESS
; break;
59 case GL_GEQUAL
: a
|= ZA_ALPHA_GEQUAL
; break;
60 case GL_LEQUAL
: a
|= ZA_ALPHA_LEQUAL
; break;
61 case GL_GREATER
: a
|= ZA_ALPHA_GREATER
; break;
62 case GL_NOTEQUAL
: a
|= ZA_ALPHA_NOTEQUAL
; break;
63 case GL_EQUAL
: a
|= ZA_ALPHA_EQUAL
; break;
64 case GL_ALWAYS
: a
|= ZA_ALPHA_ALWAYS
; break;
68 a
|= ((refByte
& 0xfc) << ZA_ALPHAREF_SHIFT
);
70 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
71 imesa
->Setup
[I810_CTXREG_ZA
] &= ~(ZA_ALPHA_MASK
|ZA_ALPHAREF_MASK
);
72 imesa
->Setup
[I810_CTXREG_ZA
] |= a
;
75 static void i810BlendEquationSeparate(GLcontext
*ctx
,
76 GLenum modeRGB
, GLenum modeA
)
78 assert( modeRGB
== modeA
);
80 /* Can only do GL_ADD equation in hardware */
81 FALLBACK( I810_CONTEXT(ctx
), I810_FALLBACK_BLEND_EQ
,
82 modeRGB
!= GL_FUNC_ADD
);
84 /* BlendEquation sets ColorLogicOpEnabled in an unexpected
87 FALLBACK( I810_CONTEXT(ctx
), I810_FALLBACK_LOGICOP
,
88 (ctx
->Color
.ColorLogicOpEnabled
&&
89 ctx
->Color
.LogicOp
!= GL_COPY
));
92 static void i810BlendFuncSeparate( GLcontext
*ctx
, GLenum sfactorRGB
,
93 GLenum dfactorRGB
, GLenum sfactorA
,
96 i810ContextPtr imesa
= I810_CONTEXT(ctx
);
97 GLuint a
= SDM_UPDATE_SRC_BLEND
| SDM_UPDATE_DST_BLEND
;
98 GLboolean fallback
= GL_FALSE
;
100 switch (ctx
->Color
.BlendSrcRGB
) {
101 case GL_ZERO
: a
|= SDM_SRC_ZERO
; break;
102 case GL_ONE
: a
|= SDM_SRC_ONE
; break;
103 case GL_SRC_COLOR
: a
|= SDM_SRC_SRC_COLOR
; break;
104 case GL_ONE_MINUS_SRC_COLOR
: a
|= SDM_SRC_INV_SRC_COLOR
; break;
105 case GL_SRC_ALPHA
: a
|= SDM_SRC_SRC_ALPHA
; break;
106 case GL_ONE_MINUS_SRC_ALPHA
: a
|= SDM_SRC_INV_SRC_ALPHA
; break;
107 case GL_DST_ALPHA
: a
|= SDM_SRC_ONE
; break;
108 case GL_ONE_MINUS_DST_ALPHA
: a
|= SDM_SRC_ZERO
; break;
109 case GL_DST_COLOR
: a
|= SDM_SRC_DST_COLOR
; break;
110 case GL_ONE_MINUS_DST_COLOR
: a
|= SDM_SRC_INV_DST_COLOR
; break;
112 /* (f, f, f, 1), f = min(As, 1 - Ad) = min(As, 1 - 1) = 0
113 * So (f, f, f, 1) = (0, 0, 0, 1). Since there is no destination alpha and
114 * the only supported alpha operation is GL_FUNC_ADD, the result modulating
115 * the source alpha with the alpha factor is largely irrelevant.
117 case GL_SRC_ALPHA_SATURATE
: a
|= SDM_SRC_ZERO
; break;
119 case GL_CONSTANT_COLOR
:
120 case GL_ONE_MINUS_CONSTANT_COLOR
:
121 case GL_CONSTANT_ALPHA
:
122 case GL_ONE_MINUS_CONSTANT_ALPHA
:
129 switch (ctx
->Color
.BlendDstRGB
) {
130 case GL_ZERO
: a
|= SDM_DST_ZERO
; break;
131 case GL_ONE
: a
|= SDM_DST_ONE
; break;
132 case GL_SRC_COLOR
: a
|= SDM_DST_SRC_COLOR
; break;
133 case GL_ONE_MINUS_SRC_COLOR
: a
|= SDM_DST_INV_SRC_COLOR
; break;
134 case GL_SRC_ALPHA
: a
|= SDM_DST_SRC_ALPHA
; break;
135 case GL_ONE_MINUS_SRC_ALPHA
: a
|= SDM_DST_INV_SRC_ALPHA
; break;
136 case GL_DST_ALPHA
: a
|= SDM_DST_ONE
; break;
137 case GL_ONE_MINUS_DST_ALPHA
: a
|= SDM_DST_ZERO
; break;
138 case GL_DST_COLOR
: a
|= SDM_DST_DST_COLOR
; break;
139 case GL_ONE_MINUS_DST_COLOR
: a
|= SDM_DST_INV_DST_COLOR
; break;
141 case GL_CONSTANT_COLOR
:
142 case GL_ONE_MINUS_CONSTANT_COLOR
:
143 case GL_CONSTANT_ALPHA
:
144 case GL_ONE_MINUS_CONSTANT_ALPHA
:
151 FALLBACK( imesa
, I810_FALLBACK_BLEND_FUNC
, fallback
);
153 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
154 imesa
->Setup
[I810_CTXREG_SDM
] &= ~(SDM_SRC_MASK
|SDM_DST_MASK
);
155 imesa
->Setup
[I810_CTXREG_SDM
] |= a
;
161 static void i810DepthFunc(GLcontext
*ctx
, GLenum func
)
163 i810ContextPtr imesa
= I810_CONTEXT(ctx
);
167 case GL_NEVER
: zmode
= LCS_Z_NEVER
; break;
168 case GL_ALWAYS
: zmode
= LCS_Z_ALWAYS
; break;
169 case GL_LESS
: zmode
= LCS_Z_LESS
; break;
170 case GL_LEQUAL
: zmode
= LCS_Z_LEQUAL
; break;
171 case GL_EQUAL
: zmode
= LCS_Z_EQUAL
; break;
172 case GL_GREATER
: zmode
= LCS_Z_GREATER
; break;
173 case GL_GEQUAL
: zmode
= LCS_Z_GEQUAL
; break;
174 case GL_NOTEQUAL
: zmode
= LCS_Z_NOTEQUAL
; break;
178 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
179 imesa
->Setup
[I810_CTXREG_LCS
] &= ~LCS_Z_MASK
;
180 imesa
->Setup
[I810_CTXREG_LCS
] |= zmode
;
183 static void i810DepthMask(GLcontext
*ctx
, GLboolean flag
)
185 i810ContextPtr imesa
= I810_CONTEXT(ctx
);
186 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
189 imesa
->Setup
[I810_CTXREG_B2
] |= B2_ZB_WRITE_ENABLE
;
191 imesa
->Setup
[I810_CTXREG_B2
] &= ~B2_ZB_WRITE_ENABLE
;
195 /* =============================================================
198 * The i810 supports a 4x4 stipple natively, GL wants 32x32.
199 * Fortunately stipple is usually a repeating pattern.
201 static void i810PolygonStipple( GLcontext
*ctx
, const GLubyte
*mask
)
203 i810ContextPtr imesa
= I810_CONTEXT(ctx
);
204 const GLubyte
*m
= mask
;
207 int active
= (ctx
->Polygon
.StippleFlag
&&
208 imesa
->reduced_primitive
== GL_TRIANGLES
);
212 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
213 imesa
->Setup
[I810_CTXREG_ST1
] &= ~ST1_ENABLE
;
216 p
[0] = mask
[12] & 0xf; p
[0] |= p
[0] << 4;
217 p
[1] = mask
[8] & 0xf; p
[1] |= p
[1] << 4;
218 p
[2] = mask
[4] & 0xf; p
[2] |= p
[2] << 4;
219 p
[3] = mask
[0] & 0xf; p
[3] |= p
[3] << 4;
221 for (k
= 0 ; k
< 8 ; k
++)
222 for (j
= 0 ; j
< 4; j
++)
223 for (i
= 0 ; i
< 4 ; i
++)
225 imesa
->stipple_in_hw
= 0;
229 newMask
= ((p
[0] & 0xf) << 0) |
230 ((p
[1] & 0xf) << 4) |
231 ((p
[2] & 0xf) << 8) |
232 ((p
[3] & 0xf) << 12);
234 if (newMask
== 0xffff) {
235 /* this is needed to make conform pass */
236 imesa
->stipple_in_hw
= 0;
240 imesa
->Setup
[I810_CTXREG_ST1
] &= ~0xffff;
241 imesa
->Setup
[I810_CTXREG_ST1
] |= newMask
;
242 imesa
->stipple_in_hw
= 1;
245 imesa
->Setup
[I810_CTXREG_ST1
] |= ST1_ENABLE
;
250 /* =============================================================
255 static void i810Scissor( GLcontext
*ctx
, GLint x
, GLint y
,
256 GLsizei w
, GLsizei h
)
258 i810ContextPtr imesa
= I810_CONTEXT(ctx
);
260 if (ctx
->Scissor
.Enabled
) {
261 I810_FIREVERTICES(imesa
); /* don't pipeline cliprect changes */
262 imesa
->upload_cliprects
= GL_TRUE
;
265 imesa
->scissor_rect
.x1
= x
;
266 imesa
->scissor_rect
.y1
= imesa
->driDrawable
->h
- (y
+ h
);
267 imesa
->scissor_rect
.x2
= x
+ w
;
268 imesa
->scissor_rect
.y2
= imesa
->driDrawable
->h
- y
;
272 static void i810LogicOp( GLcontext
*ctx
, GLenum opcode
)
274 i810ContextPtr imesa
= I810_CONTEXT(ctx
);
275 FALLBACK( imesa
, I810_FALLBACK_LOGICOP
,
276 (ctx
->Color
.ColorLogicOpEnabled
&& opcode
!= GL_COPY
) );
279 /* Fallback to swrast for select and feedback.
281 static void i810RenderMode( GLcontext
*ctx
, GLenum mode
)
283 i810ContextPtr imesa
= I810_CONTEXT(ctx
);
284 FALLBACK( imesa
, I810_FALLBACK_RENDERMODE
, (mode
!= GL_RENDER
) );
288 void i810DrawBuffer(GLcontext
*ctx
, GLenum mode
)
290 i810ContextPtr imesa
= I810_CONTEXT(ctx
);
293 if (ctx
->DrawBuffer
->_NumColorDrawBuffers
!= 1) {
294 /* GL_NONE or GL_FRONT_AND_BACK or stereo left&right, etc */
295 FALLBACK( imesa
, I810_FALLBACK_DRAW_BUFFER
, GL_TRUE
);
299 switch ( ctx
->DrawBuffer
->_ColorDrawBufferIndexes
[0]) {
300 case BUFFER_FRONT_LEFT
:
303 case BUFFER_BACK_LEFT
:
307 FALLBACK( imesa
, I810_FALLBACK_DRAW_BUFFER
, GL_TRUE
);
311 if ( imesa
->sarea
->pf_current_page
== 1 )
314 FALLBACK( imesa
, I810_FALLBACK_DRAW_BUFFER
, GL_FALSE
);
315 I810_FIREVERTICES(imesa
);
316 I810_STATECHANGE(imesa
, I810_UPLOAD_BUFFERS
);
320 imesa
->BufferSetup
[I810_DESTREG_DI1
] = (imesa
->i810Screen
->fbOffset
|
321 imesa
->i810Screen
->backPitchBits
);
322 i810XMesaSetFrontClipRects( imesa
);
326 imesa
->BufferSetup
[I810_DESTREG_DI1
] = (imesa
->i810Screen
->backOffset
|
327 imesa
->i810Screen
->backPitchBits
);
328 i810XMesaSetBackClipRects( imesa
);
333 static void i810ReadBuffer(GLcontext
*ctx
, GLenum mode
)
339 static void i810ClearColor(GLcontext
*ctx
, const GLfloat color
[4] )
341 i810ContextPtr imesa
= I810_CONTEXT(ctx
);
343 CLAMPED_FLOAT_TO_UBYTE(c
[0], color
[0]);
344 CLAMPED_FLOAT_TO_UBYTE(c
[1], color
[1]);
345 CLAMPED_FLOAT_TO_UBYTE(c
[2], color
[2]);
346 CLAMPED_FLOAT_TO_UBYTE(c
[3], color
[3]);
347 imesa
->ClearColor
= i810PackColor( imesa
->i810Screen
->fbFormat
,
348 c
[0], c
[1], c
[2], c
[3] );
352 /* =============================================================
353 * Culling - the i810 isn't quite as clean here as the rest of
354 * its interfaces, but it's not bad.
356 static void i810CullFaceFrontFace(GLcontext
*ctx
, GLenum unused
)
358 i810ContextPtr imesa
= I810_CONTEXT(ctx
);
359 GLuint mode
= LCS_CULL_BOTH
;
361 if (ctx
->Polygon
.CullFaceMode
!= GL_FRONT_AND_BACK
) {
363 if (ctx
->Polygon
.CullFaceMode
== GL_FRONT
)
364 mode
^= (LCS_CULL_CW
^ LCS_CULL_CCW
);
365 if (ctx
->Polygon
.FrontFace
!= GL_CCW
)
366 mode
^= (LCS_CULL_CW
^ LCS_CULL_CCW
);
369 imesa
->LcsCullMode
= mode
;
371 if (ctx
->Polygon
.CullFlag
)
373 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
374 imesa
->Setup
[I810_CTXREG_LCS
] &= ~LCS_CULL_MASK
;
375 imesa
->Setup
[I810_CTXREG_LCS
] |= mode
;
380 static void i810LineWidth( GLcontext
*ctx
, GLfloat widthf
)
382 i810ContextPtr imesa
= I810_CONTEXT( ctx
);
383 /* AA, non-AA limits are same */
384 const int width
= (int) CLAMP(ctx
->Line
.Width
,
385 ctx
->Const
.MinLineWidth
,
386 ctx
->Const
.MaxLineWidth
);
388 imesa
->LcsLineWidth
= 0;
389 if (width
& 1) imesa
->LcsLineWidth
|= LCS_LINEWIDTH_1_0
;
390 if (width
& 2) imesa
->LcsLineWidth
|= LCS_LINEWIDTH_2_0
;
392 if (imesa
->reduced_primitive
== GL_LINES
) {
393 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
394 imesa
->Setup
[I810_CTXREG_LCS
] &= ~LCS_LINEWIDTH_3_0
;
395 imesa
->Setup
[I810_CTXREG_LCS
] |= imesa
->LcsLineWidth
;
399 static void i810PointSize( GLcontext
*ctx
, GLfloat sz
)
401 i810ContextPtr imesa
= I810_CONTEXT( ctx
);
402 /* AA, non-AA limits are same */
403 const int size
= (int) CLAMP(ctx
->Point
.Size
,
404 ctx
->Const
.MinPointSize
,
405 ctx
->Const
.MaxPointSize
);
407 imesa
->LcsPointSize
= 0;
408 if (size
& 1) imesa
->LcsPointSize
|= LCS_LINEWIDTH_1_0
;
409 if (size
& 2) imesa
->LcsPointSize
|= LCS_LINEWIDTH_2_0
;
411 if (imesa
->reduced_primitive
== GL_POINTS
) {
412 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
413 imesa
->Setup
[I810_CTXREG_LCS
] &= ~LCS_LINEWIDTH_3_0
;
414 imesa
->Setup
[I810_CTXREG_LCS
] |= imesa
->LcsPointSize
;
418 /* =============================================================
422 static void i810ColorMask(GLcontext
*ctx
,
423 GLboolean r
, GLboolean g
,
424 GLboolean b
, GLboolean a
)
426 i810ContextPtr imesa
= I810_CONTEXT( ctx
);
430 tmp
= imesa
->Setup
[I810_CTXREG_B2
] | B2_FB_WRITE_ENABLE
;
431 FALLBACK( imesa
, I810_FALLBACK_COLORMASK
, GL_FALSE
);
432 } else if (!r
&& !g
&& !b
) {
433 tmp
= imesa
->Setup
[I810_CTXREG_B2
] & ~B2_FB_WRITE_ENABLE
;
434 FALLBACK( imesa
, I810_FALLBACK_COLORMASK
, GL_FALSE
);
436 FALLBACK( imesa
, I810_FALLBACK_COLORMASK
, GL_TRUE
);
440 if (tmp
!= imesa
->Setup
[I810_CTXREG_B2
]) {
441 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
442 imesa
->Setup
[I810_CTXREG_B2
] = tmp
;
443 imesa
->dirty
|= I810_UPLOAD_CTX
;
447 /* Seperate specular not fully implemented on the i810.
449 static void i810LightModelfv(GLcontext
*ctx
, GLenum pname
,
450 const GLfloat
*param
)
452 if (pname
== GL_LIGHT_MODEL_COLOR_CONTROL
)
454 i810ContextPtr imesa
= I810_CONTEXT( ctx
);
455 FALLBACK( imesa
, I810_FALLBACK_SPECULAR
,
456 (ctx
->Light
.Enabled
&&
457 ctx
->Light
.Model
.ColorControl
== GL_SEPARATE_SPECULAR_COLOR
));
461 /* But the 815 has it...
463 static void i810LightModelfv_i815(GLcontext
*ctx
, GLenum pname
,
464 const GLfloat
*param
)
466 if (pname
== GL_LIGHT_MODEL_COLOR_CONTROL
)
468 i810ContextPtr imesa
= I810_CONTEXT( ctx
);
470 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
471 if (ctx
->Light
.Model
.ColorControl
== GL_SEPARATE_SPECULAR_COLOR
)
472 imesa
->Setup
[I810_CTXREG_B1
] |= B1_SPEC_ENABLE
;
474 imesa
->Setup
[I810_CTXREG_B1
] &= ~B1_SPEC_ENABLE
;
478 /* In Mesa 3.5 we can reliably do native flatshading.
480 static void i810ShadeModel(GLcontext
*ctx
, GLenum mode
)
482 i810ContextPtr imesa
= I810_CONTEXT(ctx
);
483 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
485 imesa
->Setup
[I810_CTXREG_LCS
] |= LCS_INTERP_FLAT
;
487 imesa
->Setup
[I810_CTXREG_LCS
] &= ~LCS_INTERP_FLAT
;
492 /* =============================================================
495 static void i810Fogfv(GLcontext
*ctx
, GLenum pname
, const GLfloat
*param
)
497 i810ContextPtr imesa
= I810_CONTEXT(ctx
);
499 if (pname
== GL_FOG_COLOR
) {
500 GLuint color
= (((GLubyte
)(ctx
->Fog
.Color
[0]*255.0F
) << 16) |
501 ((GLubyte
)(ctx
->Fog
.Color
[1]*255.0F
) << 8) |
502 ((GLubyte
)(ctx
->Fog
.Color
[2]*255.0F
) << 0));
504 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
505 imesa
->Setup
[I810_CTXREG_FOG
] = ((GFX_OP_FOG_COLOR
| color
) &
511 /* =============================================================
513 static void i810Enable(GLcontext
*ctx
, GLenum cap
, GLboolean state
)
515 i810ContextPtr imesa
= I810_CONTEXT(ctx
);
519 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
520 imesa
->Setup
[I810_CTXREG_B1
] &= ~B1_ALPHA_TEST_ENABLE
;
522 imesa
->Setup
[I810_CTXREG_B1
] |= B1_ALPHA_TEST_ENABLE
;
525 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
526 imesa
->Setup
[I810_CTXREG_B1
] &= ~B1_BLEND_ENABLE
;
528 imesa
->Setup
[I810_CTXREG_B1
] |= B1_BLEND_ENABLE
;
530 /* For some reason enable(GL_BLEND) affects ColorLogicOpEnabled.
532 FALLBACK( imesa
, I810_FALLBACK_LOGICOP
,
533 (ctx
->Color
.ColorLogicOpEnabled
&&
534 ctx
->Color
.LogicOp
!= GL_COPY
));
537 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
538 imesa
->Setup
[I810_CTXREG_B1
] &= ~B1_Z_TEST_ENABLE
;
540 imesa
->Setup
[I810_CTXREG_B1
] |= B1_Z_TEST_ENABLE
;
542 case GL_SCISSOR_TEST
:
543 /* XXX without these next two lines, conform's scissor test fails */
544 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
545 I810_STATECHANGE(imesa
, I810_UPLOAD_BUFFERS
);
546 I810_FIREVERTICES(imesa
); /* don't pipeline cliprect changes */
547 imesa
->upload_cliprects
= GL_TRUE
;
548 imesa
->scissor
= state
;
550 case GL_POLYGON_STIPPLE
:
551 if (imesa
->stipple_in_hw
&& imesa
->reduced_primitive
== GL_TRIANGLES
)
553 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
554 imesa
->Setup
[I810_CTXREG_ST1
] &= ~ST1_ENABLE
;
556 imesa
->Setup
[I810_CTXREG_ST1
] |= ST1_ENABLE
;
560 /* Need to fatten the lines by .5, or they disappear...
562 if (imesa
->reduced_primitive
== GL_LINES
) {
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_POINT_SMOOTH
:
573 if (imesa
->reduced_primitive
== GL_POINTS
) {
574 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
575 imesa
->Setup
[I810_CTXREG_AA
] &= ~AA_ENABLE
;
576 imesa
->Setup
[I810_CTXREG_LCS
] &= ~LCS_LINEWIDTH_0_5
;
578 imesa
->Setup
[I810_CTXREG_AA
] |= AA_ENABLE
;
579 imesa
->Setup
[I810_CTXREG_LCS
] |= LCS_LINEWIDTH_0_5
;
583 case GL_POLYGON_SMOOTH
:
584 if (imesa
->reduced_primitive
== GL_TRIANGLES
) {
585 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
586 imesa
->Setup
[I810_CTXREG_AA
] &= ~AA_ENABLE
;
588 imesa
->Setup
[I810_CTXREG_AA
] |= AA_ENABLE
;
592 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
593 imesa
->Setup
[I810_CTXREG_B1
] &= ~B1_FOG_ENABLE
;
595 imesa
->Setup
[I810_CTXREG_B1
] |= B1_FOG_ENABLE
;
598 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
599 imesa
->Setup
[I810_CTXREG_LCS
] &= ~LCS_CULL_MASK
;
601 imesa
->Setup
[I810_CTXREG_LCS
] |= imesa
->LcsCullMode
;
603 imesa
->Setup
[I810_CTXREG_LCS
] |= LCS_CULL_DISABLE
;
606 case GL_TEXTURE_RECTANGLE_NV
:
607 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
608 if (ctx
->Texture
.CurrentUnit
== 0) {
609 imesa
->Setup
[I810_CTXREG_MT
] &= ~MT_TEXEL0_ENABLE
;
611 imesa
->Setup
[I810_CTXREG_MT
] |= MT_TEXEL0_ENABLE
;
613 imesa
->Setup
[I810_CTXREG_MT
] &= ~MT_TEXEL1_ENABLE
;
615 imesa
->Setup
[I810_CTXREG_MT
] |= MT_TEXEL1_ENABLE
;
618 case GL_COLOR_LOGIC_OP
:
619 FALLBACK( imesa
, I810_FALLBACK_LOGICOP
,
620 (state
&& ctx
->Color
.LogicOp
!= GL_COPY
));
622 case GL_STENCIL_TEST
:
623 FALLBACK( imesa
, I810_FALLBACK_STENCIL
, state
);
636 /* =============================================================
642 void i810EmitDrawingRectangle( i810ContextPtr imesa
)
644 __DRIdrawablePrivate
*dPriv
= imesa
->driDrawable
;
645 i810ScreenPrivate
*i810Screen
= imesa
->i810Screen
;
646 int x0
= imesa
->drawX
;
647 int y0
= imesa
->drawY
;
648 int x1
= x0
+ dPriv
->w
;
649 int y1
= y0
+ dPriv
->h
;
650 GLuint dr2
, dr3
, dr4
;
653 /* Coordinate origin of the window - may be offscreen.
655 dr4
= imesa
->BufferSetup
[I810_DESTREG_DR4
] = ((y0
<<16) |
656 (((unsigned)x0
)&0xFFFF));
662 if (x1
> i810Screen
->width
-1) x1
= i810Screen
->width
-1;
663 if (y1
> i810Screen
->height
-1) y1
= i810Screen
->height
-1;
666 /* Onscreen drawing rectangle.
668 dr2
= imesa
->BufferSetup
[I810_DESTREG_DR2
] = ((y0
<<16) | x0
);
669 dr3
= imesa
->BufferSetup
[I810_DESTREG_DR3
] = (((y1
+1)<<16) | (x1
+1));
672 imesa
->dirty
|= I810_UPLOAD_BUFFERS
;
677 static void i810CalcViewport( GLcontext
*ctx
)
679 i810ContextPtr imesa
= I810_CONTEXT(ctx
);
680 const GLfloat
*v
= ctx
->Viewport
._WindowMap
.m
;
681 GLfloat
*m
= imesa
->ViewportMatrix
.m
;
683 /* See also i810_translate_vertex. SUBPIXEL adjustments can be done
684 * via state vars, too.
686 m
[MAT_SX
] = v
[MAT_SX
];
687 m
[MAT_TX
] = v
[MAT_TX
] + SUBPIXEL_X
;
688 m
[MAT_SY
] = - v
[MAT_SY
];
689 m
[MAT_TY
] = - v
[MAT_TY
] + imesa
->driDrawable
->h
+ SUBPIXEL_Y
;
690 m
[MAT_SZ
] = v
[MAT_SZ
] * (1.0 / 0xffff);
691 m
[MAT_TZ
] = v
[MAT_TZ
] * (1.0 / 0xffff);
694 static void i810Viewport( GLcontext
*ctx
,
696 GLsizei width
, GLsizei height
)
698 i810CalcViewport( ctx
);
701 static void i810DepthRange( GLcontext
*ctx
,
702 GLclampd nearval
, GLclampd farval
)
704 i810CalcViewport( ctx
);
709 void i810PrintDirty( const char *msg
, GLuint state
)
711 fprintf(stderr
, "%s (0x%x): %s%s%s%s\n",
713 (unsigned int) state
,
714 (state
& I810_UPLOAD_TEX0
) ? "upload-tex0, " : "",
715 (state
& I810_UPLOAD_TEX1
) ? "upload-tex1, " : "",
716 (state
& I810_UPLOAD_CTX
) ? "upload-ctx, " : "",
717 (state
& I810_UPLOAD_BUFFERS
) ? "upload-bufs, " : ""
723 void i810InitState( GLcontext
*ctx
)
725 i810ContextPtr imesa
= I810_CONTEXT(ctx
);
726 i810ScreenPrivate
*i810Screen
= imesa
->i810Screen
;
728 memset(imesa
->Setup
, 0, sizeof(imesa
->Setup
));
730 imesa
->Setup
[I810_CTXREG_VF
] = 0;
732 imesa
->Setup
[I810_CTXREG_MT
] = (GFX_OP_MAP_TEXELS
|
733 MT_UPDATE_TEXEL1_STATE
|
737 MT_UPDATE_TEXEL0_STATE
|
742 imesa
->Setup
[I810_CTXREG_MC0
] = ( GFX_OP_MAP_COLOR_STAGES
|
747 ((MC_ARG_ITERATED_COLOR
|
748 MC_ARG_DONT_REPLICATE_ALPHA
|
749 MC_ARG_DONT_INVERT
) << MC_ARG1_SHIFT
) |
752 MC_ARG_DONT_REPLICATE_ALPHA
|
753 MC_ARG_DONT_INVERT
) << MC_ARG2_SHIFT
) |
757 imesa
->Setup
[I810_CTXREG_MC1
] = ( GFX_OP_MAP_COLOR_STAGES
|
763 MC_ARG_DONT_REPLICATE_ALPHA
|
764 MC_ARG_DONT_INVERT
) << MC_ARG1_SHIFT
) |
767 MC_ARG_DONT_REPLICATE_ALPHA
|
768 MC_ARG_DONT_INVERT
) << MC_ARG2_SHIFT
) |
773 imesa
->Setup
[I810_CTXREG_MC2
] = ( GFX_OP_MAP_COLOR_STAGES
|
778 ((MC_ARG_CURRENT_COLOR
|
779 MC_ARG_REPLICATE_ALPHA
|
780 MC_ARG_DONT_INVERT
) << MC_ARG1_SHIFT
) |
783 MC_ARG_DONT_REPLICATE_ALPHA
|
784 MC_ARG_DONT_INVERT
) << MC_ARG2_SHIFT
) |
789 imesa
->Setup
[I810_CTXREG_MA0
] = ( GFX_OP_MAP_ALPHA_STAGES
|
792 ((MA_ARG_ITERATED_ALPHA
|
793 MA_ARG_DONT_INVERT
) << MA_ARG1_SHIFT
) |
795 ((MA_ARG_CURRENT_ALPHA
|
796 MA_ARG_DONT_INVERT
) << MA_ARG2_SHIFT
) |
801 imesa
->Setup
[I810_CTXREG_MA1
] = ( GFX_OP_MAP_ALPHA_STAGES
|
804 ((MA_ARG_CURRENT_ALPHA
|
805 MA_ARG_DONT_INVERT
) << MA_ARG1_SHIFT
) |
807 ((MA_ARG_CURRENT_ALPHA
|
808 MA_ARG_DONT_INVERT
) << MA_ARG2_SHIFT
) |
813 imesa
->Setup
[I810_CTXREG_MA2
] = ( GFX_OP_MAP_ALPHA_STAGES
|
816 ((MA_ARG_CURRENT_ALPHA
|
817 MA_ARG_DONT_INVERT
) << MA_ARG1_SHIFT
) |
819 ((MA_ARG_CURRENT_ALPHA
|
820 MA_ARG_DONT_INVERT
) << MA_ARG2_SHIFT
) |
825 imesa
->Setup
[I810_CTXREG_SDM
] = ( GFX_OP_SRC_DEST_MONO
|
826 SDM_UPDATE_MONO_ENABLE
|
828 SDM_UPDATE_SRC_BLEND
|
830 SDM_UPDATE_DST_BLEND
|
833 /* Use for colormask:
835 imesa
->Setup
[I810_CTXREG_CF0
] = GFX_OP_COLOR_FACTOR
;
836 imesa
->Setup
[I810_CTXREG_CF1
] = 0xffffffff;
838 imesa
->Setup
[I810_CTXREG_ZA
] = (GFX_OP_ZBIAS_ALPHAFUNC
|
839 ZA_UPDATE_ALPHAFUNC
|
846 imesa
->Setup
[I810_CTXREG_FOG
] = (GFX_OP_FOG_COLOR
|
847 (0xffffff & ~FOG_RESERVED_MASK
));
851 imesa
->Setup
[I810_CTXREG_B1
] = ( GFX_OP_BOOL_1
|
852 B1_UPDATE_SPEC_SETUP_ENABLE
|
854 B1_UPDATE_ALPHA_SETUP_ENABLE
|
855 B1_ALPHA_SETUP_ENABLE
|
856 B1_UPDATE_CI_KEY_ENABLE
|
858 B1_UPDATE_CHROMAKEY_ENABLE
|
860 B1_UPDATE_Z_BIAS_ENABLE
|
862 B1_UPDATE_SPEC_ENABLE
|
864 B1_UPDATE_FOG_ENABLE
|
866 B1_UPDATE_ALPHA_TEST_ENABLE
|
868 B1_UPDATE_BLEND_ENABLE
|
870 B1_UPDATE_Z_TEST_ENABLE
|
873 imesa
->Setup
[I810_CTXREG_B2
] = ( GFX_OP_BOOL_2
|
874 B2_UPDATE_MAP_CACHE_ENABLE
|
875 B2_MAP_CACHE_ENABLE
|
876 B2_UPDATE_ALPHA_DITHER_ENABLE
|
878 B2_UPDATE_FOG_DITHER_ENABLE
|
880 B2_UPDATE_SPEC_DITHER_ENABLE
|
882 B2_UPDATE_RGB_DITHER_ENABLE
|
883 B2_RGB_DITHER_ENABLE
|
884 B2_UPDATE_FB_WRITE_ENABLE
|
886 B2_UPDATE_ZB_WRITE_ENABLE
|
887 B2_ZB_WRITE_ENABLE
);
889 imesa
->Setup
[I810_CTXREG_LCS
] = ( GFX_OP_LINEWIDTH_CULL_SHADE_MODE
|
892 LCS_UPDATE_LINEWIDTH
|
894 LCS_UPDATE_ALPHA_INTERP
|
896 LCS_UPDATE_FOG_INTERP
|
898 LCS_UPDATE_SPEC_INTERP
|
900 LCS_UPDATE_RGB_INTERP
|
902 LCS_UPDATE_CULL_MODE
|
905 imesa
->LcsCullMode
= LCS_CULL_CW
;
906 imesa
->LcsLineWidth
= LCS_LINEWIDTH_1_0
;
907 imesa
->LcsPointSize
= LCS_LINEWIDTH_1_0
;
909 imesa
->Setup
[I810_CTXREG_PV
] = ( GFX_OP_PV_RULE
|
920 imesa
->Setup
[I810_CTXREG_ST0
] = GFX_OP_STIPPLE
;
921 imesa
->Setup
[I810_CTXREG_ST1
] = 0;
923 imesa
->Setup
[I810_CTXREG_AA
] = ( GFX_OP_ANTIALIAS
|
926 AA_UPDATE_POLYWIDTH
|
928 AA_UPDATE_LINEWIDTH
|
930 AA_UPDATE_BB_EXPANSION
|
932 AA_UPDATE_AA_ENABLE
|
935 memset(imesa
->BufferSetup
, 0, sizeof(imesa
->BufferSetup
));
936 imesa
->BufferSetup
[I810_DESTREG_DI0
] = CMD_OP_DESTBUFFER_INFO
;
938 if (imesa
->glCtx
->Visual
.doubleBufferMode
&& imesa
->sarea
->pf_current_page
== 0) {
939 /* use back buffer by default */
940 imesa
->BufferSetup
[I810_DESTREG_DI1
] = (i810Screen
->backOffset
|
941 i810Screen
->backPitchBits
);
943 /* use front buffer by default */
944 imesa
->BufferSetup
[I810_DESTREG_DI1
] = (i810Screen
->fbOffset
|
945 i810Screen
->backPitchBits
);
948 imesa
->BufferSetup
[I810_DESTREG_DV0
] = GFX_OP_DESTBUFFER_VARS
;
949 imesa
->BufferSetup
[I810_DESTREG_DV1
] = (DV_HORG_BIAS_OGL
|
951 i810Screen
->fbFormat
);
953 imesa
->BufferSetup
[I810_DESTREG_DR0
] = GFX_OP_DRAWRECT_INFO
;
954 imesa
->BufferSetup
[I810_DESTREG_DR1
] = DR1_RECT_CLIP_ENABLE
;
958 static void i810InvalidateState( GLcontext
*ctx
, GLuint new_state
)
960 _swrast_InvalidateState( ctx
, new_state
);
961 _swsetup_InvalidateState( ctx
, new_state
);
962 _vbo_InvalidateState( ctx
, new_state
);
963 _tnl_InvalidateState( ctx
, new_state
);
964 I810_CONTEXT(ctx
)->new_state
|= new_state
;
968 void i810InitStateFuncs(GLcontext
*ctx
)
970 /* Callbacks for internal Mesa events.
972 ctx
->Driver
.UpdateState
= i810InvalidateState
;
976 ctx
->Driver
.AlphaFunc
= i810AlphaFunc
;
977 ctx
->Driver
.BlendEquationSeparate
= i810BlendEquationSeparate
;
978 ctx
->Driver
.BlendFuncSeparate
= i810BlendFuncSeparate
;
979 ctx
->Driver
.ClearColor
= i810ClearColor
;
980 ctx
->Driver
.ColorMask
= i810ColorMask
;
981 ctx
->Driver
.CullFace
= i810CullFaceFrontFace
;
982 ctx
->Driver
.DepthFunc
= i810DepthFunc
;
983 ctx
->Driver
.DepthMask
= i810DepthMask
;
984 ctx
->Driver
.Enable
= i810Enable
;
985 ctx
->Driver
.Fogfv
= i810Fogfv
;
986 ctx
->Driver
.FrontFace
= i810CullFaceFrontFace
;
987 ctx
->Driver
.LineWidth
= i810LineWidth
;
988 ctx
->Driver
.LogicOpcode
= i810LogicOp
;
989 ctx
->Driver
.PolygonStipple
= i810PolygonStipple
;
990 ctx
->Driver
.RenderMode
= i810RenderMode
;
991 ctx
->Driver
.Scissor
= i810Scissor
;
992 ctx
->Driver
.DrawBuffer
= i810DrawBuffer
;
993 ctx
->Driver
.ReadBuffer
= i810ReadBuffer
;
994 ctx
->Driver
.ShadeModel
= i810ShadeModel
;
995 ctx
->Driver
.DepthRange
= i810DepthRange
;
996 ctx
->Driver
.Viewport
= i810Viewport
;
997 ctx
->Driver
.PointSize
= i810PointSize
;
999 if (IS_I815(I810_CONTEXT(ctx
))) {
1000 ctx
->Driver
.LightModelfv
= i810LightModelfv_i815
;
1002 ctx
->Driver
.LightModelfv
= i810LightModelfv
;