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"
23 #include "i810ioctl.h"
26 static INLINE GLuint
i810PackColor(GLuint format
,
31 if (I810_DEBUG
&DEBUG_DRI
)
32 fprintf(stderr
, "%s\n", __FUNCTION__
);
36 return PACK_COLOR_1555( a
, r
, g
, b
);
38 return PACK_COLOR_565( r
, g
, b
);
40 fprintf(stderr
, "unknown format %d\n", (int)format
);
46 static void i810AlphaFunc(GLcontext
*ctx
, GLenum func
, GLfloat ref
)
48 i810ContextPtr imesa
= I810_CONTEXT(ctx
);
49 GLuint a
= (ZA_UPDATE_ALPHAFUNC
|ZA_UPDATE_ALPHAREF
);
52 CLAMPED_FLOAT_TO_UBYTE(refByte
, ref
);
54 switch (ctx
->Color
.AlphaFunc
) {
55 case GL_NEVER
: a
|= ZA_ALPHA_NEVER
; break;
56 case GL_LESS
: a
|= ZA_ALPHA_LESS
; break;
57 case GL_GEQUAL
: a
|= ZA_ALPHA_GEQUAL
; break;
58 case GL_LEQUAL
: a
|= ZA_ALPHA_LEQUAL
; break;
59 case GL_GREATER
: a
|= ZA_ALPHA_GREATER
; break;
60 case GL_NOTEQUAL
: a
|= ZA_ALPHA_NOTEQUAL
; break;
61 case GL_EQUAL
: a
|= ZA_ALPHA_EQUAL
; break;
62 case GL_ALWAYS
: a
|= ZA_ALPHA_ALWAYS
; break;
66 a
|= ((refByte
& 0xfc) << ZA_ALPHAREF_SHIFT
);
68 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
69 imesa
->Setup
[I810_CTXREG_ZA
] &= ~(ZA_ALPHA_MASK
|ZA_ALPHAREF_MASK
);
70 imesa
->Setup
[I810_CTXREG_ZA
] |= a
;
73 static void i810BlendEquationSeparate(GLcontext
*ctx
,
74 GLenum modeRGB
, GLenum modeA
)
76 assert( modeRGB
== modeA
);
78 /* Can only do GL_ADD equation in hardware */
79 FALLBACK( I810_CONTEXT(ctx
), I810_FALLBACK_BLEND_EQ
,
80 modeRGB
!= GL_FUNC_ADD
);
82 /* BlendEquation sets ColorLogicOpEnabled in an unexpected
85 FALLBACK( I810_CONTEXT(ctx
), I810_FALLBACK_LOGICOP
,
86 (ctx
->Color
.ColorLogicOpEnabled
&&
87 ctx
->Color
.LogicOp
!= GL_COPY
));
90 static void i810BlendFuncSeparate( GLcontext
*ctx
, GLenum sfactorRGB
,
91 GLenum dfactorRGB
, GLenum sfactorA
,
94 i810ContextPtr imesa
= I810_CONTEXT(ctx
);
95 GLuint a
= SDM_UPDATE_SRC_BLEND
| SDM_UPDATE_DST_BLEND
;
96 GLboolean fallback
= GL_FALSE
;
98 switch (ctx
->Color
.BlendSrcRGB
) {
99 case GL_ZERO
: a
|= SDM_SRC_ZERO
; break;
100 case GL_ONE
: a
|= SDM_SRC_ONE
; break;
101 case GL_SRC_COLOR
: a
|= SDM_SRC_SRC_COLOR
; break;
102 case GL_ONE_MINUS_SRC_COLOR
: a
|= SDM_SRC_INV_SRC_COLOR
; break;
103 case GL_SRC_ALPHA
: a
|= SDM_SRC_SRC_ALPHA
; break;
104 case GL_ONE_MINUS_SRC_ALPHA
: a
|= SDM_SRC_INV_SRC_ALPHA
; break;
105 case GL_DST_ALPHA
: a
|= SDM_SRC_ONE
; break;
106 case GL_ONE_MINUS_DST_ALPHA
: a
|= SDM_SRC_ZERO
; break;
107 case GL_DST_COLOR
: a
|= SDM_SRC_DST_COLOR
; break;
108 case GL_ONE_MINUS_DST_COLOR
: a
|= SDM_SRC_INV_DST_COLOR
; break;
110 /* (f, f, f, 1), f = min(As, 1 - Ad) = min(As, 1 - 1) = 0
111 * So (f, f, f, 1) = (0, 0, 0, 1). Since there is no destination alpha and
112 * the only supported alpha operation is GL_FUNC_ADD, the result modulating
113 * the source alpha with the alpha factor is largely irrelevant.
115 case GL_SRC_ALPHA_SATURATE
: a
|= SDM_SRC_ZERO
; break;
117 case GL_CONSTANT_COLOR
:
118 case GL_ONE_MINUS_CONSTANT_COLOR
:
119 case GL_CONSTANT_ALPHA
:
120 case GL_ONE_MINUS_CONSTANT_ALPHA
:
127 switch (ctx
->Color
.BlendDstRGB
) {
128 case GL_ZERO
: a
|= SDM_DST_ZERO
; break;
129 case GL_ONE
: a
|= SDM_DST_ONE
; break;
130 case GL_SRC_COLOR
: a
|= SDM_DST_SRC_COLOR
; break;
131 case GL_ONE_MINUS_SRC_COLOR
: a
|= SDM_DST_INV_SRC_COLOR
; break;
132 case GL_SRC_ALPHA
: a
|= SDM_DST_SRC_ALPHA
; break;
133 case GL_ONE_MINUS_SRC_ALPHA
: a
|= SDM_DST_INV_SRC_ALPHA
; break;
134 case GL_DST_ALPHA
: a
|= SDM_DST_ONE
; break;
135 case GL_ONE_MINUS_DST_ALPHA
: a
|= SDM_DST_ZERO
; break;
136 case GL_DST_COLOR
: a
|= SDM_DST_DST_COLOR
; break;
137 case GL_ONE_MINUS_DST_COLOR
: a
|= SDM_DST_INV_DST_COLOR
; break;
139 case GL_CONSTANT_COLOR
:
140 case GL_ONE_MINUS_CONSTANT_COLOR
:
141 case GL_CONSTANT_ALPHA
:
142 case GL_ONE_MINUS_CONSTANT_ALPHA
:
149 FALLBACK( imesa
, I810_FALLBACK_BLEND_FUNC
, fallback
);
151 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
152 imesa
->Setup
[I810_CTXREG_SDM
] &= ~(SDM_SRC_MASK
|SDM_DST_MASK
);
153 imesa
->Setup
[I810_CTXREG_SDM
] |= a
;
159 static void i810DepthFunc(GLcontext
*ctx
, GLenum func
)
161 i810ContextPtr imesa
= I810_CONTEXT(ctx
);
165 case GL_NEVER
: zmode
= LCS_Z_NEVER
; break;
166 case GL_ALWAYS
: zmode
= LCS_Z_ALWAYS
; break;
167 case GL_LESS
: zmode
= LCS_Z_LESS
; break;
168 case GL_LEQUAL
: zmode
= LCS_Z_LEQUAL
; break;
169 case GL_EQUAL
: zmode
= LCS_Z_EQUAL
; break;
170 case GL_GREATER
: zmode
= LCS_Z_GREATER
; break;
171 case GL_GEQUAL
: zmode
= LCS_Z_GEQUAL
; break;
172 case GL_NOTEQUAL
: zmode
= LCS_Z_NOTEQUAL
; break;
176 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
177 imesa
->Setup
[I810_CTXREG_LCS
] &= ~LCS_Z_MASK
;
178 imesa
->Setup
[I810_CTXREG_LCS
] |= zmode
;
181 static void i810DepthMask(GLcontext
*ctx
, GLboolean flag
)
183 i810ContextPtr imesa
= I810_CONTEXT(ctx
);
184 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
187 imesa
->Setup
[I810_CTXREG_B2
] |= B2_ZB_WRITE_ENABLE
;
189 imesa
->Setup
[I810_CTXREG_B2
] &= ~B2_ZB_WRITE_ENABLE
;
193 /* =============================================================
196 * The i810 supports a 4x4 stipple natively, GL wants 32x32.
197 * Fortunately stipple is usually a repeating pattern.
199 static void i810PolygonStipple( GLcontext
*ctx
, const GLubyte
*mask
)
201 i810ContextPtr imesa
= I810_CONTEXT(ctx
);
202 const GLubyte
*m
= mask
;
205 int active
= (ctx
->Polygon
.StippleFlag
&&
206 imesa
->reduced_primitive
== GL_TRIANGLES
);
210 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
211 imesa
->Setup
[I810_CTXREG_ST1
] &= ~ST1_ENABLE
;
214 p
[0] = mask
[12] & 0xf; p
[0] |= p
[0] << 4;
215 p
[1] = mask
[8] & 0xf; p
[1] |= p
[1] << 4;
216 p
[2] = mask
[4] & 0xf; p
[2] |= p
[2] << 4;
217 p
[3] = mask
[0] & 0xf; p
[3] |= p
[3] << 4;
219 for (k
= 0 ; k
< 8 ; k
++)
220 for (j
= 0 ; j
< 4; j
++)
221 for (i
= 0 ; i
< 4 ; i
++)
223 imesa
->stipple_in_hw
= 0;
227 newMask
= ((p
[0] & 0xf) << 0) |
228 ((p
[1] & 0xf) << 4) |
229 ((p
[2] & 0xf) << 8) |
230 ((p
[3] & 0xf) << 12);
232 if (newMask
== 0xffff) {
233 /* this is needed to make conform pass */
234 imesa
->stipple_in_hw
= 0;
238 imesa
->Setup
[I810_CTXREG_ST1
] &= ~0xffff;
239 imesa
->Setup
[I810_CTXREG_ST1
] |= newMask
;
240 imesa
->stipple_in_hw
= 1;
243 imesa
->Setup
[I810_CTXREG_ST1
] |= ST1_ENABLE
;
248 /* =============================================================
253 static void i810Scissor( GLcontext
*ctx
, GLint x
, GLint y
,
254 GLsizei w
, GLsizei h
)
256 i810ContextPtr imesa
= I810_CONTEXT(ctx
);
258 if (ctx
->Scissor
.Enabled
) {
259 I810_FIREVERTICES(imesa
); /* don't pipeline cliprect changes */
260 imesa
->upload_cliprects
= GL_TRUE
;
263 imesa
->scissor_rect
.x1
= x
;
264 imesa
->scissor_rect
.y1
= imesa
->driDrawable
->h
- (y
+ h
);
265 imesa
->scissor_rect
.x2
= x
+ w
;
266 imesa
->scissor_rect
.y2
= imesa
->driDrawable
->h
- y
;
270 static void i810LogicOp( GLcontext
*ctx
, GLenum opcode
)
272 i810ContextPtr imesa
= I810_CONTEXT(ctx
);
273 FALLBACK( imesa
, I810_FALLBACK_LOGICOP
,
274 (ctx
->Color
.ColorLogicOpEnabled
&& opcode
!= GL_COPY
) );
277 /* Fallback to swrast for select and feedback.
279 static void i810RenderMode( GLcontext
*ctx
, GLenum mode
)
281 i810ContextPtr imesa
= I810_CONTEXT(ctx
);
282 FALLBACK( imesa
, I810_FALLBACK_RENDERMODE
, (mode
!= GL_RENDER
) );
286 void i810DrawBuffer(GLcontext
*ctx
, GLenum mode
)
288 i810ContextPtr imesa
= I810_CONTEXT(ctx
);
291 if (ctx
->DrawBuffer
->_NumColorDrawBuffers
!= 1) {
292 /* GL_NONE or GL_FRONT_AND_BACK or stereo left&right, etc */
293 FALLBACK( imesa
, I810_FALLBACK_DRAW_BUFFER
, GL_TRUE
);
297 switch ( ctx
->DrawBuffer
->_ColorDrawBufferIndexes
[0]) {
298 case BUFFER_FRONT_LEFT
:
301 case BUFFER_BACK_LEFT
:
305 FALLBACK( imesa
, I810_FALLBACK_DRAW_BUFFER
, GL_TRUE
);
309 if ( imesa
->sarea
->pf_current_page
== 1 )
312 FALLBACK( imesa
, I810_FALLBACK_DRAW_BUFFER
, GL_FALSE
);
313 I810_FIREVERTICES(imesa
);
314 I810_STATECHANGE(imesa
, I810_UPLOAD_BUFFERS
);
318 imesa
->BufferSetup
[I810_DESTREG_DI1
] = (imesa
->i810Screen
->fbOffset
|
319 imesa
->i810Screen
->backPitchBits
);
320 i810XMesaSetFrontClipRects( imesa
);
324 imesa
->BufferSetup
[I810_DESTREG_DI1
] = (imesa
->i810Screen
->backOffset
|
325 imesa
->i810Screen
->backPitchBits
);
326 i810XMesaSetBackClipRects( imesa
);
331 static void i810ReadBuffer(GLcontext
*ctx
, GLenum mode
)
337 static void i810ClearColor(GLcontext
*ctx
, const GLfloat color
[4] )
339 i810ContextPtr imesa
= I810_CONTEXT(ctx
);
341 CLAMPED_FLOAT_TO_UBYTE(c
[0], color
[0]);
342 CLAMPED_FLOAT_TO_UBYTE(c
[1], color
[1]);
343 CLAMPED_FLOAT_TO_UBYTE(c
[2], color
[2]);
344 CLAMPED_FLOAT_TO_UBYTE(c
[3], color
[3]);
345 imesa
->ClearColor
= i810PackColor( imesa
->i810Screen
->fbFormat
,
346 c
[0], c
[1], c
[2], c
[3] );
350 /* =============================================================
351 * Culling - the i810 isn't quite as clean here as the rest of
352 * its interfaces, but it's not bad.
354 static void i810CullFaceFrontFace(GLcontext
*ctx
, GLenum unused
)
356 i810ContextPtr imesa
= I810_CONTEXT(ctx
);
357 GLuint mode
= LCS_CULL_BOTH
;
359 if (ctx
->Polygon
.CullFaceMode
!= GL_FRONT_AND_BACK
) {
361 if (ctx
->Polygon
.CullFaceMode
== GL_FRONT
)
362 mode
^= (LCS_CULL_CW
^ LCS_CULL_CCW
);
363 if (ctx
->Polygon
.FrontFace
!= GL_CCW
)
364 mode
^= (LCS_CULL_CW
^ LCS_CULL_CCW
);
367 imesa
->LcsCullMode
= mode
;
369 if (ctx
->Polygon
.CullFlag
)
371 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
372 imesa
->Setup
[I810_CTXREG_LCS
] &= ~LCS_CULL_MASK
;
373 imesa
->Setup
[I810_CTXREG_LCS
] |= mode
;
378 static void i810LineWidth( GLcontext
*ctx
, GLfloat widthf
)
380 i810ContextPtr imesa
= I810_CONTEXT( ctx
);
381 /* AA, non-AA limits are same */
382 const int width
= (int) CLAMP(ctx
->Line
.Width
,
383 ctx
->Const
.MinLineWidth
,
384 ctx
->Const
.MaxLineWidth
);
386 imesa
->LcsLineWidth
= 0;
387 if (width
& 1) imesa
->LcsLineWidth
|= LCS_LINEWIDTH_1_0
;
388 if (width
& 2) imesa
->LcsLineWidth
|= LCS_LINEWIDTH_2_0
;
390 if (imesa
->reduced_primitive
== GL_LINES
) {
391 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
392 imesa
->Setup
[I810_CTXREG_LCS
] &= ~LCS_LINEWIDTH_3_0
;
393 imesa
->Setup
[I810_CTXREG_LCS
] |= imesa
->LcsLineWidth
;
397 static void i810PointSize( GLcontext
*ctx
, GLfloat sz
)
399 i810ContextPtr imesa
= I810_CONTEXT( ctx
);
400 /* AA, non-AA limits are same */
401 const int size
= (int) CLAMP(ctx
->Point
.Size
,
402 ctx
->Const
.MinPointSize
,
403 ctx
->Const
.MaxPointSize
);
405 imesa
->LcsPointSize
= 0;
406 if (size
& 1) imesa
->LcsPointSize
|= LCS_LINEWIDTH_1_0
;
407 if (size
& 2) imesa
->LcsPointSize
|= LCS_LINEWIDTH_2_0
;
409 if (imesa
->reduced_primitive
== GL_POINTS
) {
410 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
411 imesa
->Setup
[I810_CTXREG_LCS
] &= ~LCS_LINEWIDTH_3_0
;
412 imesa
->Setup
[I810_CTXREG_LCS
] |= imesa
->LcsPointSize
;
416 /* =============================================================
420 static void i810ColorMask(GLcontext
*ctx
,
421 GLboolean r
, GLboolean g
,
422 GLboolean b
, GLboolean a
)
424 i810ContextPtr imesa
= I810_CONTEXT( ctx
);
428 tmp
= imesa
->Setup
[I810_CTXREG_B2
] | B2_FB_WRITE_ENABLE
;
429 FALLBACK( imesa
, I810_FALLBACK_COLORMASK
, GL_FALSE
);
430 } else if (!r
&& !g
&& !b
) {
431 tmp
= imesa
->Setup
[I810_CTXREG_B2
] & ~B2_FB_WRITE_ENABLE
;
432 FALLBACK( imesa
, I810_FALLBACK_COLORMASK
, GL_FALSE
);
434 FALLBACK( imesa
, I810_FALLBACK_COLORMASK
, GL_TRUE
);
438 if (tmp
!= imesa
->Setup
[I810_CTXREG_B2
]) {
439 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
440 imesa
->Setup
[I810_CTXREG_B2
] = tmp
;
441 imesa
->dirty
|= I810_UPLOAD_CTX
;
445 /* Seperate specular not fully implemented on the i810.
447 static void i810LightModelfv(GLcontext
*ctx
, GLenum pname
,
448 const GLfloat
*param
)
450 if (pname
== GL_LIGHT_MODEL_COLOR_CONTROL
)
452 i810ContextPtr imesa
= I810_CONTEXT( ctx
);
453 FALLBACK( imesa
, I810_FALLBACK_SPECULAR
,
454 (ctx
->Light
.Enabled
&&
455 ctx
->Light
.Model
.ColorControl
== GL_SEPARATE_SPECULAR_COLOR
));
459 /* But the 815 has it...
461 static void i810LightModelfv_i815(GLcontext
*ctx
, GLenum pname
,
462 const GLfloat
*param
)
464 if (pname
== GL_LIGHT_MODEL_COLOR_CONTROL
)
466 i810ContextPtr imesa
= I810_CONTEXT( ctx
);
468 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
469 if (ctx
->Light
.Model
.ColorControl
== GL_SEPARATE_SPECULAR_COLOR
)
470 imesa
->Setup
[I810_CTXREG_B1
] |= B1_SPEC_ENABLE
;
472 imesa
->Setup
[I810_CTXREG_B1
] &= ~B1_SPEC_ENABLE
;
476 /* In Mesa 3.5 we can reliably do native flatshading.
478 static void i810ShadeModel(GLcontext
*ctx
, GLenum mode
)
480 i810ContextPtr imesa
= I810_CONTEXT(ctx
);
481 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
483 imesa
->Setup
[I810_CTXREG_LCS
] |= LCS_INTERP_FLAT
;
485 imesa
->Setup
[I810_CTXREG_LCS
] &= ~LCS_INTERP_FLAT
;
490 /* =============================================================
493 static void i810Fogfv(GLcontext
*ctx
, GLenum pname
, const GLfloat
*param
)
495 i810ContextPtr imesa
= I810_CONTEXT(ctx
);
497 if (pname
== GL_FOG_COLOR
) {
498 GLuint color
= (((GLubyte
)(ctx
->Fog
.Color
[0]*255.0F
) << 16) |
499 ((GLubyte
)(ctx
->Fog
.Color
[1]*255.0F
) << 8) |
500 ((GLubyte
)(ctx
->Fog
.Color
[2]*255.0F
) << 0));
502 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
503 imesa
->Setup
[I810_CTXREG_FOG
] = ((GFX_OP_FOG_COLOR
| color
) &
509 /* =============================================================
511 static void i810Enable(GLcontext
*ctx
, GLenum cap
, GLboolean state
)
513 i810ContextPtr imesa
= I810_CONTEXT(ctx
);
517 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
518 imesa
->Setup
[I810_CTXREG_B1
] &= ~B1_ALPHA_TEST_ENABLE
;
520 imesa
->Setup
[I810_CTXREG_B1
] |= B1_ALPHA_TEST_ENABLE
;
523 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
524 imesa
->Setup
[I810_CTXREG_B1
] &= ~B1_BLEND_ENABLE
;
526 imesa
->Setup
[I810_CTXREG_B1
] |= B1_BLEND_ENABLE
;
528 /* For some reason enable(GL_BLEND) affects ColorLogicOpEnabled.
530 FALLBACK( imesa
, I810_FALLBACK_LOGICOP
,
531 (ctx
->Color
.ColorLogicOpEnabled
&&
532 ctx
->Color
.LogicOp
!= GL_COPY
));
535 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
536 imesa
->Setup
[I810_CTXREG_B1
] &= ~B1_Z_TEST_ENABLE
;
538 imesa
->Setup
[I810_CTXREG_B1
] |= B1_Z_TEST_ENABLE
;
540 case GL_SCISSOR_TEST
:
541 /* XXX without these next two lines, conform's scissor test fails */
542 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
543 I810_STATECHANGE(imesa
, I810_UPLOAD_BUFFERS
);
544 I810_FIREVERTICES(imesa
); /* don't pipeline cliprect changes */
545 imesa
->upload_cliprects
= GL_TRUE
;
546 imesa
->scissor
= state
;
548 case GL_POLYGON_STIPPLE
:
549 if (imesa
->stipple_in_hw
&& imesa
->reduced_primitive
== GL_TRIANGLES
)
551 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
552 imesa
->Setup
[I810_CTXREG_ST1
] &= ~ST1_ENABLE
;
554 imesa
->Setup
[I810_CTXREG_ST1
] |= ST1_ENABLE
;
558 /* Need to fatten the lines by .5, or they disappear...
560 if (imesa
->reduced_primitive
== GL_LINES
) {
561 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
562 imesa
->Setup
[I810_CTXREG_AA
] &= ~AA_ENABLE
;
563 imesa
->Setup
[I810_CTXREG_LCS
] &= ~LCS_LINEWIDTH_0_5
;
565 imesa
->Setup
[I810_CTXREG_AA
] |= AA_ENABLE
;
566 imesa
->Setup
[I810_CTXREG_LCS
] |= LCS_LINEWIDTH_0_5
;
570 case GL_POINT_SMOOTH
:
571 if (imesa
->reduced_primitive
== GL_POINTS
) {
572 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
573 imesa
->Setup
[I810_CTXREG_AA
] &= ~AA_ENABLE
;
574 imesa
->Setup
[I810_CTXREG_LCS
] &= ~LCS_LINEWIDTH_0_5
;
576 imesa
->Setup
[I810_CTXREG_AA
] |= AA_ENABLE
;
577 imesa
->Setup
[I810_CTXREG_LCS
] |= LCS_LINEWIDTH_0_5
;
581 case GL_POLYGON_SMOOTH
:
582 if (imesa
->reduced_primitive
== GL_TRIANGLES
) {
583 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
584 imesa
->Setup
[I810_CTXREG_AA
] &= ~AA_ENABLE
;
586 imesa
->Setup
[I810_CTXREG_AA
] |= AA_ENABLE
;
590 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
591 imesa
->Setup
[I810_CTXREG_B1
] &= ~B1_FOG_ENABLE
;
593 imesa
->Setup
[I810_CTXREG_B1
] |= B1_FOG_ENABLE
;
596 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
597 imesa
->Setup
[I810_CTXREG_LCS
] &= ~LCS_CULL_MASK
;
599 imesa
->Setup
[I810_CTXREG_LCS
] |= imesa
->LcsCullMode
;
601 imesa
->Setup
[I810_CTXREG_LCS
] |= LCS_CULL_DISABLE
;
604 case GL_TEXTURE_RECTANGLE_NV
:
605 I810_STATECHANGE(imesa
, I810_UPLOAD_CTX
);
606 if (ctx
->Texture
.CurrentUnit
== 0) {
607 imesa
->Setup
[I810_CTXREG_MT
] &= ~MT_TEXEL0_ENABLE
;
609 imesa
->Setup
[I810_CTXREG_MT
] |= MT_TEXEL0_ENABLE
;
611 imesa
->Setup
[I810_CTXREG_MT
] &= ~MT_TEXEL1_ENABLE
;
613 imesa
->Setup
[I810_CTXREG_MT
] |= MT_TEXEL1_ENABLE
;
616 case GL_COLOR_LOGIC_OP
:
617 FALLBACK( imesa
, I810_FALLBACK_LOGICOP
,
618 (state
&& ctx
->Color
.LogicOp
!= GL_COPY
));
620 case GL_STENCIL_TEST
:
621 FALLBACK( imesa
, I810_FALLBACK_STENCIL
, state
);
634 /* =============================================================
640 void i810EmitDrawingRectangle( i810ContextPtr imesa
)
642 __DRIdrawable
*dPriv
= imesa
->driDrawable
;
643 i810ScreenPrivate
*i810Screen
= imesa
->i810Screen
;
644 int x0
= imesa
->drawX
;
645 int y0
= imesa
->drawY
;
646 int x1
= x0
+ dPriv
->w
;
647 int y1
= y0
+ dPriv
->h
;
648 GLuint dr2
, dr3
, dr4
;
651 /* Coordinate origin of the window - may be offscreen.
653 dr4
= imesa
->BufferSetup
[I810_DESTREG_DR4
] = ((y0
<<16) |
654 (((unsigned)x0
)&0xFFFF));
660 if (x1
> i810Screen
->width
-1) x1
= i810Screen
->width
-1;
661 if (y1
> i810Screen
->height
-1) y1
= i810Screen
->height
-1;
664 /* Onscreen drawing rectangle.
666 dr2
= imesa
->BufferSetup
[I810_DESTREG_DR2
] = ((y0
<<16) | x0
);
667 dr3
= imesa
->BufferSetup
[I810_DESTREG_DR3
] = (((y1
+1)<<16) | (x1
+1));
670 imesa
->dirty
|= I810_UPLOAD_BUFFERS
;
675 static void i810CalcViewport( GLcontext
*ctx
)
677 i810ContextPtr imesa
= I810_CONTEXT(ctx
);
678 const GLfloat
*v
= ctx
->Viewport
._WindowMap
.m
;
679 GLfloat
*m
= imesa
->ViewportMatrix
.m
;
681 /* See also i810_translate_vertex. SUBPIXEL adjustments can be done
682 * via state vars, too.
684 m
[MAT_SX
] = v
[MAT_SX
];
685 m
[MAT_TX
] = v
[MAT_TX
] + SUBPIXEL_X
;
686 m
[MAT_SY
] = - v
[MAT_SY
];
687 m
[MAT_TY
] = - v
[MAT_TY
] + imesa
->driDrawable
->h
+ SUBPIXEL_Y
;
688 m
[MAT_SZ
] = v
[MAT_SZ
] * (1.0 / 0xffff);
689 m
[MAT_TZ
] = v
[MAT_TZ
] * (1.0 / 0xffff);
692 static void i810Viewport( GLcontext
*ctx
,
694 GLsizei width
, GLsizei height
)
696 i810CalcViewport( ctx
);
699 static void i810DepthRange( GLcontext
*ctx
,
700 GLclampd nearval
, GLclampd farval
)
702 i810CalcViewport( ctx
);
707 void i810PrintDirty( const char *msg
, GLuint state
)
709 fprintf(stderr
, "%s (0x%x): %s%s%s%s\n",
711 (unsigned int) state
,
712 (state
& I810_UPLOAD_TEX0
) ? "upload-tex0, " : "",
713 (state
& I810_UPLOAD_TEX1
) ? "upload-tex1, " : "",
714 (state
& I810_UPLOAD_CTX
) ? "upload-ctx, " : "",
715 (state
& I810_UPLOAD_BUFFERS
) ? "upload-bufs, " : ""
721 void i810InitState( GLcontext
*ctx
)
723 i810ContextPtr imesa
= I810_CONTEXT(ctx
);
724 i810ScreenPrivate
*i810Screen
= imesa
->i810Screen
;
726 memset(imesa
->Setup
, 0, sizeof(imesa
->Setup
));
728 imesa
->Setup
[I810_CTXREG_VF
] = 0;
730 imesa
->Setup
[I810_CTXREG_MT
] = (GFX_OP_MAP_TEXELS
|
731 MT_UPDATE_TEXEL1_STATE
|
735 MT_UPDATE_TEXEL0_STATE
|
740 imesa
->Setup
[I810_CTXREG_MC0
] = ( GFX_OP_MAP_COLOR_STAGES
|
745 ((MC_ARG_ITERATED_COLOR
|
746 MC_ARG_DONT_REPLICATE_ALPHA
|
747 MC_ARG_DONT_INVERT
) << MC_ARG1_SHIFT
) |
750 MC_ARG_DONT_REPLICATE_ALPHA
|
751 MC_ARG_DONT_INVERT
) << MC_ARG2_SHIFT
) |
755 imesa
->Setup
[I810_CTXREG_MC1
] = ( GFX_OP_MAP_COLOR_STAGES
|
761 MC_ARG_DONT_REPLICATE_ALPHA
|
762 MC_ARG_DONT_INVERT
) << MC_ARG1_SHIFT
) |
765 MC_ARG_DONT_REPLICATE_ALPHA
|
766 MC_ARG_DONT_INVERT
) << MC_ARG2_SHIFT
) |
771 imesa
->Setup
[I810_CTXREG_MC2
] = ( GFX_OP_MAP_COLOR_STAGES
|
776 ((MC_ARG_CURRENT_COLOR
|
777 MC_ARG_REPLICATE_ALPHA
|
778 MC_ARG_DONT_INVERT
) << MC_ARG1_SHIFT
) |
781 MC_ARG_DONT_REPLICATE_ALPHA
|
782 MC_ARG_DONT_INVERT
) << MC_ARG2_SHIFT
) |
787 imesa
->Setup
[I810_CTXREG_MA0
] = ( GFX_OP_MAP_ALPHA_STAGES
|
790 ((MA_ARG_ITERATED_ALPHA
|
791 MA_ARG_DONT_INVERT
) << MA_ARG1_SHIFT
) |
793 ((MA_ARG_CURRENT_ALPHA
|
794 MA_ARG_DONT_INVERT
) << MA_ARG2_SHIFT
) |
799 imesa
->Setup
[I810_CTXREG_MA1
] = ( GFX_OP_MAP_ALPHA_STAGES
|
802 ((MA_ARG_CURRENT_ALPHA
|
803 MA_ARG_DONT_INVERT
) << MA_ARG1_SHIFT
) |
805 ((MA_ARG_CURRENT_ALPHA
|
806 MA_ARG_DONT_INVERT
) << MA_ARG2_SHIFT
) |
811 imesa
->Setup
[I810_CTXREG_MA2
] = ( GFX_OP_MAP_ALPHA_STAGES
|
814 ((MA_ARG_CURRENT_ALPHA
|
815 MA_ARG_DONT_INVERT
) << MA_ARG1_SHIFT
) |
817 ((MA_ARG_CURRENT_ALPHA
|
818 MA_ARG_DONT_INVERT
) << MA_ARG2_SHIFT
) |
823 imesa
->Setup
[I810_CTXREG_SDM
] = ( GFX_OP_SRC_DEST_MONO
|
824 SDM_UPDATE_MONO_ENABLE
|
826 SDM_UPDATE_SRC_BLEND
|
828 SDM_UPDATE_DST_BLEND
|
831 /* Use for colormask:
833 imesa
->Setup
[I810_CTXREG_CF0
] = GFX_OP_COLOR_FACTOR
;
834 imesa
->Setup
[I810_CTXREG_CF1
] = 0xffffffff;
836 imesa
->Setup
[I810_CTXREG_ZA
] = (GFX_OP_ZBIAS_ALPHAFUNC
|
837 ZA_UPDATE_ALPHAFUNC
|
844 imesa
->Setup
[I810_CTXREG_FOG
] = (GFX_OP_FOG_COLOR
|
845 (0xffffff & ~FOG_RESERVED_MASK
));
849 imesa
->Setup
[I810_CTXREG_B1
] = ( GFX_OP_BOOL_1
|
850 B1_UPDATE_SPEC_SETUP_ENABLE
|
852 B1_UPDATE_ALPHA_SETUP_ENABLE
|
853 B1_ALPHA_SETUP_ENABLE
|
854 B1_UPDATE_CI_KEY_ENABLE
|
856 B1_UPDATE_CHROMAKEY_ENABLE
|
858 B1_UPDATE_Z_BIAS_ENABLE
|
860 B1_UPDATE_SPEC_ENABLE
|
862 B1_UPDATE_FOG_ENABLE
|
864 B1_UPDATE_ALPHA_TEST_ENABLE
|
866 B1_UPDATE_BLEND_ENABLE
|
868 B1_UPDATE_Z_TEST_ENABLE
|
871 imesa
->Setup
[I810_CTXREG_B2
] = ( GFX_OP_BOOL_2
|
872 B2_UPDATE_MAP_CACHE_ENABLE
|
873 B2_MAP_CACHE_ENABLE
|
874 B2_UPDATE_ALPHA_DITHER_ENABLE
|
876 B2_UPDATE_FOG_DITHER_ENABLE
|
878 B2_UPDATE_SPEC_DITHER_ENABLE
|
880 B2_UPDATE_RGB_DITHER_ENABLE
|
881 B2_RGB_DITHER_ENABLE
|
882 B2_UPDATE_FB_WRITE_ENABLE
|
884 B2_UPDATE_ZB_WRITE_ENABLE
|
885 B2_ZB_WRITE_ENABLE
);
887 imesa
->Setup
[I810_CTXREG_LCS
] = ( GFX_OP_LINEWIDTH_CULL_SHADE_MODE
|
890 LCS_UPDATE_LINEWIDTH
|
892 LCS_UPDATE_ALPHA_INTERP
|
894 LCS_UPDATE_FOG_INTERP
|
896 LCS_UPDATE_SPEC_INTERP
|
898 LCS_UPDATE_RGB_INTERP
|
900 LCS_UPDATE_CULL_MODE
|
903 imesa
->LcsCullMode
= LCS_CULL_CW
;
904 imesa
->LcsLineWidth
= LCS_LINEWIDTH_1_0
;
905 imesa
->LcsPointSize
= LCS_LINEWIDTH_1_0
;
907 imesa
->Setup
[I810_CTXREG_PV
] = ( GFX_OP_PV_RULE
|
918 imesa
->Setup
[I810_CTXREG_ST0
] = GFX_OP_STIPPLE
;
919 imesa
->Setup
[I810_CTXREG_ST1
] = 0;
921 imesa
->Setup
[I810_CTXREG_AA
] = ( GFX_OP_ANTIALIAS
|
924 AA_UPDATE_POLYWIDTH
|
926 AA_UPDATE_LINEWIDTH
|
928 AA_UPDATE_BB_EXPANSION
|
930 AA_UPDATE_AA_ENABLE
|
933 memset(imesa
->BufferSetup
, 0, sizeof(imesa
->BufferSetup
));
934 imesa
->BufferSetup
[I810_DESTREG_DI0
] = CMD_OP_DESTBUFFER_INFO
;
936 if (imesa
->glCtx
->Visual
.doubleBufferMode
&& imesa
->sarea
->pf_current_page
== 0) {
937 /* use back buffer by default */
938 imesa
->BufferSetup
[I810_DESTREG_DI1
] = (i810Screen
->backOffset
|
939 i810Screen
->backPitchBits
);
941 /* use front buffer by default */
942 imesa
->BufferSetup
[I810_DESTREG_DI1
] = (i810Screen
->fbOffset
|
943 i810Screen
->backPitchBits
);
946 imesa
->BufferSetup
[I810_DESTREG_DV0
] = GFX_OP_DESTBUFFER_VARS
;
947 imesa
->BufferSetup
[I810_DESTREG_DV1
] = (DV_HORG_BIAS_OGL
|
949 i810Screen
->fbFormat
);
951 imesa
->BufferSetup
[I810_DESTREG_DR0
] = GFX_OP_DRAWRECT_INFO
;
952 imesa
->BufferSetup
[I810_DESTREG_DR1
] = DR1_RECT_CLIP_ENABLE
;
956 static void i810InvalidateState( GLcontext
*ctx
, GLuint new_state
)
958 _swrast_InvalidateState( ctx
, new_state
);
959 _swsetup_InvalidateState( ctx
, new_state
);
960 _vbo_InvalidateState( ctx
, new_state
);
961 _tnl_InvalidateState( ctx
, new_state
);
962 I810_CONTEXT(ctx
)->new_state
|= new_state
;
966 void i810InitStateFuncs(GLcontext
*ctx
)
968 /* Callbacks for internal Mesa events.
970 ctx
->Driver
.UpdateState
= i810InvalidateState
;
974 ctx
->Driver
.AlphaFunc
= i810AlphaFunc
;
975 ctx
->Driver
.BlendEquationSeparate
= i810BlendEquationSeparate
;
976 ctx
->Driver
.BlendFuncSeparate
= i810BlendFuncSeparate
;
977 ctx
->Driver
.ClearColor
= i810ClearColor
;
978 ctx
->Driver
.ColorMask
= i810ColorMask
;
979 ctx
->Driver
.CullFace
= i810CullFaceFrontFace
;
980 ctx
->Driver
.DepthFunc
= i810DepthFunc
;
981 ctx
->Driver
.DepthMask
= i810DepthMask
;
982 ctx
->Driver
.Enable
= i810Enable
;
983 ctx
->Driver
.Fogfv
= i810Fogfv
;
984 ctx
->Driver
.FrontFace
= i810CullFaceFrontFace
;
985 ctx
->Driver
.LineWidth
= i810LineWidth
;
986 ctx
->Driver
.LogicOpcode
= i810LogicOp
;
987 ctx
->Driver
.PolygonStipple
= i810PolygonStipple
;
988 ctx
->Driver
.RenderMode
= i810RenderMode
;
989 ctx
->Driver
.Scissor
= i810Scissor
;
990 ctx
->Driver
.DrawBuffer
= i810DrawBuffer
;
991 ctx
->Driver
.ReadBuffer
= i810ReadBuffer
;
992 ctx
->Driver
.ShadeModel
= i810ShadeModel
;
993 ctx
->Driver
.DepthRange
= i810DepthRange
;
994 ctx
->Driver
.Viewport
= i810Viewport
;
995 ctx
->Driver
.PointSize
= i810PointSize
;
997 if (IS_I815(I810_CONTEXT(ctx
))) {
998 ctx
->Driver
.LightModelfv
= i810LightModelfv_i815
;
1000 ctx
->Driver
.LightModelfv
= i810LightModelfv
;