2 /**************************************************************************
4 Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved.
6 The Weather Channel (TM) funded Tungsten Graphics to develop the
7 initial release of the Radeon 8500 driver under the XFree86 license.
8 This notice must be preserved.
10 Permission is hereby granted, free of charge, to any person obtaining
11 a copy of this software and associated documentation files (the
12 "Software"), to deal in the Software without restriction, including
13 without limitation the rights to use, copy, modify, merge, publish,
14 distribute, sublicense, and/or sell copies of the Software, and to
15 permit persons to whom the Software is furnished to do so, subject to
16 the following conditions:
18 The above copyright notice and this permission notice (including the
19 next paragraph) shall be included in all copies or substantial
20 portions of the Software.
22 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
23 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
24 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
25 IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
26 LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
27 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
28 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
30 **************************************************************************/
34 * Keith Whitwell <keith@tungstengraphics.com>
39 #include "api_arrayelt.h"
45 #include "swrast/swrast.h"
46 #include "array_cache/acache.h"
48 #include "tnl/t_pipeline.h"
49 #include "swrast_setup/swrast_setup.h"
52 #include "r200_context.h"
53 #include "r200_ioctl.h"
54 #include "r200_state.h"
57 #include "r200_swtcl.h"
58 #include "r200_vtxfmt.h"
61 /* =============================================================
65 static void r200AlphaFunc( GLcontext
*ctx
, GLenum func
, GLfloat ref
)
67 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
68 int pp_misc
= rmesa
->hw
.ctx
.cmd
[CTX_PP_MISC
];
71 CLAMPED_FLOAT_TO_UBYTE(refByte
, ref
);
73 R200_STATECHANGE( rmesa
, ctx
);
75 pp_misc
&= ~(R200_ALPHA_TEST_OP_MASK
| R200_REF_ALPHA_MASK
);
76 pp_misc
|= (refByte
& R200_REF_ALPHA_MASK
);
80 pp_misc
|= R200_ALPHA_TEST_FAIL
;
83 pp_misc
|= R200_ALPHA_TEST_LESS
;
86 pp_misc
|= R200_ALPHA_TEST_EQUAL
;
89 pp_misc
|= R200_ALPHA_TEST_LEQUAL
;
92 pp_misc
|= R200_ALPHA_TEST_GREATER
;
95 pp_misc
|= R200_ALPHA_TEST_NEQUAL
;
98 pp_misc
|= R200_ALPHA_TEST_GEQUAL
;
101 pp_misc
|= R200_ALPHA_TEST_PASS
;
105 rmesa
->hw
.ctx
.cmd
[CTX_PP_MISC
] = pp_misc
;
108 static void r200BlendColor( GLcontext
*ctx
, const GLfloat cf
[4] )
111 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
112 R200_STATECHANGE( rmesa
, ctx
);
113 CLAMPED_FLOAT_TO_UBYTE(color
[0], cf
[0]);
114 CLAMPED_FLOAT_TO_UBYTE(color
[1], cf
[1]);
115 CLAMPED_FLOAT_TO_UBYTE(color
[2], cf
[2]);
116 CLAMPED_FLOAT_TO_UBYTE(color
[3], cf
[3]);
117 if (rmesa
->r200Screen
->drmSupportsBlendColor
)
118 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_BLENDCOLOR
] = r200PackColor( 4, color
[0], color
[1], color
[2], color
[3] );
122 * Calculate the hardware blend factor setting. This same function is used
123 * for source and destination of both alpha and RGB.
126 * The hardware register value for the specified blend factor. This value
127 * will need to be shifted into the correct position for either source or
128 * destination factor.
131 * Since the two cases where source and destination are handled differently
132 * are essentially error cases, they should never happen. Determine if these
133 * cases can be removed.
135 static int blend_factor( GLenum factor
, GLboolean is_src
)
141 func
= R200_BLEND_GL_ZERO
;
144 func
= R200_BLEND_GL_ONE
;
147 func
= R200_BLEND_GL_DST_COLOR
;
149 case GL_ONE_MINUS_DST_COLOR
:
150 func
= R200_BLEND_GL_ONE_MINUS_DST_COLOR
;
153 func
= R200_BLEND_GL_SRC_COLOR
;
155 case GL_ONE_MINUS_SRC_COLOR
:
156 func
= R200_BLEND_GL_ONE_MINUS_SRC_COLOR
;
159 func
= R200_BLEND_GL_SRC_ALPHA
;
161 case GL_ONE_MINUS_SRC_ALPHA
:
162 func
= R200_BLEND_GL_ONE_MINUS_SRC_ALPHA
;
165 func
= R200_BLEND_GL_DST_ALPHA
;
167 case GL_ONE_MINUS_DST_ALPHA
:
168 func
= R200_BLEND_GL_ONE_MINUS_DST_ALPHA
;
170 case GL_SRC_ALPHA_SATURATE
:
171 func
= (is_src
) ? R200_BLEND_GL_SRC_ALPHA_SATURATE
: R200_BLEND_GL_ZERO
;
173 case GL_CONSTANT_COLOR
:
174 func
= R200_BLEND_GL_CONST_COLOR
;
176 case GL_ONE_MINUS_CONSTANT_COLOR
:
177 func
= R200_BLEND_GL_ONE_MINUS_CONST_COLOR
;
179 case GL_CONSTANT_ALPHA
:
180 func
= R200_BLEND_GL_CONST_ALPHA
;
182 case GL_ONE_MINUS_CONSTANT_ALPHA
:
183 func
= R200_BLEND_GL_ONE_MINUS_CONST_ALPHA
;
186 func
= (is_src
) ? R200_BLEND_GL_ONE
: R200_BLEND_GL_ZERO
;
192 * Sets both the blend equation and the blend function.
193 * This is done in a single
194 * function because some blend equations (i.e., \c GL_MIN and \c GL_MAX)
195 * change the interpretation of the blend function.
196 * Also, make sure that blend function and blend equation are set to their default
197 * value if color blending is not enabled, since at least blend equations GL_MIN
198 * and GL_FUNC_REVERSE_SUBTRACT will cause wrong results otherwise for
201 static void r200_set_blend_state( GLcontext
* ctx
)
203 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
204 GLuint cntl
= rmesa
->hw
.ctx
.cmd
[CTX_RB3D_CNTL
] &
205 ~(R200_ROP_ENABLE
| R200_ALPHA_BLEND_ENABLE
| R200_SEPARATE_ALPHA_ENABLE
);
207 int func
= (R200_BLEND_GL_ONE
<< R200_SRC_BLEND_SHIFT
) |
208 (R200_BLEND_GL_ZERO
<< R200_DST_BLEND_SHIFT
);
209 int eqn
= R200_COMB_FCN_ADD_CLAMP
;
210 int funcA
= (R200_BLEND_GL_ONE
<< R200_SRC_BLEND_SHIFT
) |
211 (R200_BLEND_GL_ZERO
<< R200_DST_BLEND_SHIFT
);
212 int eqnA
= R200_COMB_FCN_ADD_CLAMP
;
214 R200_STATECHANGE( rmesa
, ctx
);
216 if (rmesa
->r200Screen
->drmSupportsBlendColor
) {
217 if (ctx
->Color
._LogicOpEnabled
) {
218 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_CNTL
] = cntl
| R200_ROP_ENABLE
;
219 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ABLENDCNTL
] = eqn
| func
;
220 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_CBLENDCNTL
] = eqn
| func
;
222 } else if (ctx
->Color
.BlendEnabled
) {
223 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_CNTL
] = cntl
| R200_ALPHA_BLEND_ENABLE
| R200_SEPARATE_ALPHA_ENABLE
;
226 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_CNTL
] = cntl
;
227 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ABLENDCNTL
] = eqn
| func
;
228 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_CBLENDCNTL
] = eqn
| func
;
233 if (ctx
->Color
._LogicOpEnabled
) {
234 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_CNTL
] = cntl
| R200_ROP_ENABLE
;
235 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_BLENDCNTL
] = eqn
| func
;
237 } else if (ctx
->Color
.BlendEnabled
) {
238 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_CNTL
] = cntl
| R200_ALPHA_BLEND_ENABLE
;
241 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_CNTL
] = cntl
;
242 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_BLENDCNTL
] = eqn
| func
;
247 func
= (blend_factor( ctx
->Color
.BlendSrcRGB
, GL_TRUE
) << R200_SRC_BLEND_SHIFT
) |
248 (blend_factor( ctx
->Color
.BlendDstRGB
, GL_FALSE
) << R200_DST_BLEND_SHIFT
);
250 switch(ctx
->Color
.BlendEquationRGB
) {
252 eqn
= R200_COMB_FCN_ADD_CLAMP
;
255 case GL_FUNC_SUBTRACT
:
256 eqn
= R200_COMB_FCN_SUB_CLAMP
;
259 case GL_FUNC_REVERSE_SUBTRACT
:
260 eqn
= R200_COMB_FCN_RSUB_CLAMP
;
264 eqn
= R200_COMB_FCN_MIN
;
265 func
= (R200_BLEND_GL_ONE
<< R200_SRC_BLEND_SHIFT
) |
266 (R200_BLEND_GL_ONE
<< R200_DST_BLEND_SHIFT
);
270 eqn
= R200_COMB_FCN_MAX
;
271 func
= (R200_BLEND_GL_ONE
<< R200_SRC_BLEND_SHIFT
) |
272 (R200_BLEND_GL_ONE
<< R200_DST_BLEND_SHIFT
);
276 fprintf( stderr
, "[%s:%u] Invalid RGB blend equation (0x%04x).\n",
277 __FUNCTION__
, __LINE__
, ctx
->Color
.BlendEquationRGB
);
281 if (!rmesa
->r200Screen
->drmSupportsBlendColor
) {
282 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_BLENDCNTL
] = eqn
| func
;
286 funcA
= (blend_factor( ctx
->Color
.BlendSrcA
, GL_TRUE
) << R200_SRC_BLEND_SHIFT
) |
287 (blend_factor( ctx
->Color
.BlendDstA
, GL_FALSE
) << R200_DST_BLEND_SHIFT
);
289 switch(ctx
->Color
.BlendEquationA
) {
291 eqnA
= R200_COMB_FCN_ADD_CLAMP
;
294 case GL_FUNC_SUBTRACT
:
295 eqnA
= R200_COMB_FCN_SUB_CLAMP
;
298 case GL_FUNC_REVERSE_SUBTRACT
:
299 eqnA
= R200_COMB_FCN_RSUB_CLAMP
;
303 eqnA
= R200_COMB_FCN_MIN
;
304 funcA
= (R200_BLEND_GL_ONE
<< R200_SRC_BLEND_SHIFT
) |
305 (R200_BLEND_GL_ONE
<< R200_DST_BLEND_SHIFT
);
309 eqnA
= R200_COMB_FCN_MAX
;
310 funcA
= (R200_BLEND_GL_ONE
<< R200_SRC_BLEND_SHIFT
) |
311 (R200_BLEND_GL_ONE
<< R200_DST_BLEND_SHIFT
);
315 fprintf( stderr
, "[%s:%u] Invalid A blend equation (0x%04x).\n",
316 __FUNCTION__
, __LINE__
, ctx
->Color
.BlendEquationA
);
320 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ABLENDCNTL
] = eqnA
| funcA
;
321 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_CBLENDCNTL
] = eqn
| func
;
325 static void r200BlendEquationSeparate( GLcontext
*ctx
,
326 GLenum modeRGB
, GLenum modeA
)
328 r200_set_blend_state( ctx
);
331 static void r200BlendFuncSeparate( GLcontext
*ctx
,
332 GLenum sfactorRGB
, GLenum dfactorRGB
,
333 GLenum sfactorA
, GLenum dfactorA
)
335 r200_set_blend_state( ctx
);
339 /* =============================================================
343 static void r200DepthFunc( GLcontext
*ctx
, GLenum func
)
345 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
347 R200_STATECHANGE( rmesa
, ctx
);
348 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] &= ~R200_Z_TEST_MASK
;
350 switch ( ctx
->Depth
.Func
) {
352 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_Z_TEST_NEVER
;
355 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_Z_TEST_LESS
;
358 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_Z_TEST_EQUAL
;
361 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_Z_TEST_LEQUAL
;
364 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_Z_TEST_GREATER
;
367 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_Z_TEST_NEQUAL
;
370 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_Z_TEST_GEQUAL
;
373 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_Z_TEST_ALWAYS
;
378 static void r200ClearDepth( GLcontext
*ctx
, GLclampd d
)
380 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
381 GLuint format
= (rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] &
382 R200_DEPTH_FORMAT_MASK
);
385 case R200_DEPTH_FORMAT_16BIT_INT_Z
:
386 rmesa
->state
.depth
.clear
= d
* 0x0000ffff;
388 case R200_DEPTH_FORMAT_24BIT_INT_Z
:
389 rmesa
->state
.depth
.clear
= d
* 0x00ffffff;
394 static void r200DepthMask( GLcontext
*ctx
, GLboolean flag
)
396 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
397 R200_STATECHANGE( rmesa
, ctx
);
399 if ( ctx
->Depth
.Mask
) {
400 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_Z_WRITE_ENABLE
;
402 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] &= ~R200_Z_WRITE_ENABLE
;
407 /* =============================================================
412 static void r200Fogfv( GLcontext
*ctx
, GLenum pname
, const GLfloat
*param
)
414 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
415 union { int i
; float f
; } c
, d
;
419 c
.i
= rmesa
->hw
.fog
.cmd
[FOG_C
];
420 d
.i
= rmesa
->hw
.fog
.cmd
[FOG_D
];
424 if (!ctx
->Fog
.Enabled
)
426 R200_STATECHANGE(rmesa
, tcl
);
427 rmesa
->hw
.tcl
.cmd
[TCL_UCP_VERT_BLEND_CTL
] &= ~R200_TCL_FOG_MASK
;
428 switch (ctx
->Fog
.Mode
) {
430 rmesa
->hw
.tcl
.cmd
[TCL_UCP_VERT_BLEND_CTL
] |= R200_TCL_FOG_LINEAR
;
431 if (ctx
->Fog
.Start
== ctx
->Fog
.End
) {
436 c
.f
= ctx
->Fog
.End
/(ctx
->Fog
.End
-ctx
->Fog
.Start
);
437 d
.f
= -1.0/(ctx
->Fog
.End
-ctx
->Fog
.Start
);
441 rmesa
->hw
.tcl
.cmd
[TCL_UCP_VERT_BLEND_CTL
] |= R200_TCL_FOG_EXP
;
443 d
.f
= -ctx
->Fog
.Density
;
446 rmesa
->hw
.tcl
.cmd
[TCL_UCP_VERT_BLEND_CTL
] |= R200_TCL_FOG_EXP2
;
448 d
.f
= -(ctx
->Fog
.Density
* ctx
->Fog
.Density
);
455 switch (ctx
->Fog
.Mode
) {
458 d
.f
= -ctx
->Fog
.Density
;
462 d
.f
= -(ctx
->Fog
.Density
* ctx
->Fog
.Density
);
470 if (ctx
->Fog
.Mode
== GL_LINEAR
) {
471 if (ctx
->Fog
.Start
== ctx
->Fog
.End
) {
475 c
.f
= ctx
->Fog
.End
/(ctx
->Fog
.End
-ctx
->Fog
.Start
);
476 d
.f
= -1.0/(ctx
->Fog
.End
-ctx
->Fog
.Start
);
481 R200_STATECHANGE( rmesa
, ctx
);
482 UNCLAMPED_FLOAT_TO_RGB_CHAN( col
, ctx
->Fog
.Color
);
483 i
= r200PackColor( 4, col
[0], col
[1], col
[2], 0 );
484 rmesa
->hw
.ctx
.cmd
[CTX_PP_FOG_COLOR
] &= ~R200_FOG_COLOR_MASK
;
485 rmesa
->hw
.ctx
.cmd
[CTX_PP_FOG_COLOR
] |= i
;
487 case GL_FOG_COORD_SRC
: {
488 GLuint fmt_0
= rmesa
->hw
.vtx
.cmd
[VTX_VTXFMT_0
];
489 GLuint out_0
= rmesa
->hw
.vtx
.cmd
[VTX_TCL_OUTPUT_VTXFMT_0
];
490 GLuint fog
= rmesa
->hw
.ctx
.cmd
[CTX_PP_FOG_COLOR
];
492 fog
&= ~R200_FOG_USE_MASK
;
493 if ( ctx
->Fog
.FogCoordinateSource
== GL_FOG_COORD
) {
494 fog
|= R200_FOG_USE_VTX_FOG
;
495 fmt_0
|= R200_VTX_DISCRETE_FOG
;
496 out_0
|= R200_VTX_DISCRETE_FOG
;
499 fog
|= R200_FOG_USE_SPEC_ALPHA
;
500 fmt_0
&= ~R200_VTX_DISCRETE_FOG
;
501 out_0
&= ~R200_VTX_DISCRETE_FOG
;
504 if ( fog
!= rmesa
->hw
.ctx
.cmd
[CTX_PP_FOG_COLOR
] ) {
505 R200_STATECHANGE( rmesa
, ctx
);
506 rmesa
->hw
.ctx
.cmd
[CTX_PP_FOG_COLOR
] = fog
;
509 if ( (fmt_0
!= rmesa
->hw
.vtx
.cmd
[VTX_VTXFMT_0
])
510 || (out_0
!= rmesa
->hw
.vtx
.cmd
[VTX_TCL_OUTPUT_VTXFMT_0
])) {
511 R200_STATECHANGE( rmesa
, vtx
);
512 rmesa
->hw
.vtx
.cmd
[VTX_VTXFMT_0
] = fmt_0
;
513 rmesa
->hw
.vtx
.cmd
[VTX_TCL_OUTPUT_VTXFMT_0
] = out_0
;
522 if (c
.i
!= rmesa
->hw
.fog
.cmd
[FOG_C
] || d
.i
!= rmesa
->hw
.fog
.cmd
[FOG_D
]) {
523 R200_STATECHANGE( rmesa
, fog
);
524 rmesa
->hw
.fog
.cmd
[FOG_C
] = c
.i
;
525 rmesa
->hw
.fog
.cmd
[FOG_D
] = d
.i
;
530 /* =============================================================
535 static GLboolean
intersect_rect( drm_clip_rect_t
*out
,
540 if ( b
->x1
> out
->x1
) out
->x1
= b
->x1
;
541 if ( b
->y1
> out
->y1
) out
->y1
= b
->y1
;
542 if ( b
->x2
< out
->x2
) out
->x2
= b
->x2
;
543 if ( b
->y2
< out
->y2
) out
->y2
= b
->y2
;
544 if ( out
->x1
>= out
->x2
) return GL_FALSE
;
545 if ( out
->y1
>= out
->y2
) return GL_FALSE
;
550 void r200RecalcScissorRects( r200ContextPtr rmesa
)
552 drm_clip_rect_t
*out
;
555 /* Grow cliprect store?
557 if (rmesa
->state
.scissor
.numAllocedClipRects
< rmesa
->numClipRects
) {
558 while (rmesa
->state
.scissor
.numAllocedClipRects
< rmesa
->numClipRects
) {
559 rmesa
->state
.scissor
.numAllocedClipRects
+= 1; /* zero case */
560 rmesa
->state
.scissor
.numAllocedClipRects
*= 2;
563 if (rmesa
->state
.scissor
.pClipRects
)
564 FREE(rmesa
->state
.scissor
.pClipRects
);
566 rmesa
->state
.scissor
.pClipRects
=
567 MALLOC( rmesa
->state
.scissor
.numAllocedClipRects
*
568 sizeof(drm_clip_rect_t
) );
570 if ( rmesa
->state
.scissor
.pClipRects
== NULL
) {
571 rmesa
->state
.scissor
.numAllocedClipRects
= 0;
576 out
= rmesa
->state
.scissor
.pClipRects
;
577 rmesa
->state
.scissor
.numClipRects
= 0;
579 for ( i
= 0 ; i
< rmesa
->numClipRects
; i
++ ) {
580 if ( intersect_rect( out
,
581 &rmesa
->pClipRects
[i
],
582 &rmesa
->state
.scissor
.rect
) ) {
583 rmesa
->state
.scissor
.numClipRects
++;
590 static void r200UpdateScissor( GLcontext
*ctx
)
592 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
594 if ( rmesa
->dri
.drawable
) {
595 __DRIdrawablePrivate
*dPriv
= rmesa
->dri
.drawable
;
597 int x
= ctx
->Scissor
.X
;
598 int y
= dPriv
->h
- ctx
->Scissor
.Y
- ctx
->Scissor
.Height
;
599 int w
= ctx
->Scissor
.X
+ ctx
->Scissor
.Width
- 1;
600 int h
= dPriv
->h
- ctx
->Scissor
.Y
- 1;
602 rmesa
->state
.scissor
.rect
.x1
= x
+ dPriv
->x
;
603 rmesa
->state
.scissor
.rect
.y1
= y
+ dPriv
->y
;
604 rmesa
->state
.scissor
.rect
.x2
= w
+ dPriv
->x
+ 1;
605 rmesa
->state
.scissor
.rect
.y2
= h
+ dPriv
->y
+ 1;
607 r200RecalcScissorRects( rmesa
);
612 static void r200Scissor( GLcontext
*ctx
,
613 GLint x
, GLint y
, GLsizei w
, GLsizei h
)
615 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
617 if ( ctx
->Scissor
.Enabled
) {
618 R200_FIREVERTICES( rmesa
); /* don't pipeline cliprect changes */
619 r200UpdateScissor( ctx
);
625 /* =============================================================
629 static void r200CullFace( GLcontext
*ctx
, GLenum unused
)
631 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
632 GLuint s
= rmesa
->hw
.set
.cmd
[SET_SE_CNTL
];
633 GLuint t
= rmesa
->hw
.tcl
.cmd
[TCL_UCP_VERT_BLEND_CTL
];
635 s
|= R200_FFACE_SOLID
| R200_BFACE_SOLID
;
636 t
&= ~(R200_CULL_FRONT
| R200_CULL_BACK
);
638 if ( ctx
->Polygon
.CullFlag
) {
639 switch ( ctx
->Polygon
.CullFaceMode
) {
641 s
&= ~R200_FFACE_SOLID
;
642 t
|= R200_CULL_FRONT
;
645 s
&= ~R200_BFACE_SOLID
;
648 case GL_FRONT_AND_BACK
:
649 s
&= ~(R200_FFACE_SOLID
| R200_BFACE_SOLID
);
650 t
|= (R200_CULL_FRONT
| R200_CULL_BACK
);
655 if ( rmesa
->hw
.set
.cmd
[SET_SE_CNTL
] != s
) {
656 R200_STATECHANGE(rmesa
, set
);
657 rmesa
->hw
.set
.cmd
[SET_SE_CNTL
] = s
;
660 if ( rmesa
->hw
.tcl
.cmd
[TCL_UCP_VERT_BLEND_CTL
] != t
) {
661 R200_STATECHANGE(rmesa
, tcl
);
662 rmesa
->hw
.tcl
.cmd
[TCL_UCP_VERT_BLEND_CTL
] = t
;
666 static void r200FrontFace( GLcontext
*ctx
, GLenum mode
)
668 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
670 R200_STATECHANGE( rmesa
, set
);
671 rmesa
->hw
.set
.cmd
[SET_SE_CNTL
] &= ~R200_FFACE_CULL_DIR_MASK
;
673 R200_STATECHANGE( rmesa
, tcl
);
674 rmesa
->hw
.tcl
.cmd
[TCL_UCP_VERT_BLEND_CTL
] &= ~R200_CULL_FRONT_IS_CCW
;
678 rmesa
->hw
.set
.cmd
[SET_SE_CNTL
] |= R200_FFACE_CULL_CW
;
681 rmesa
->hw
.set
.cmd
[SET_SE_CNTL
] |= R200_FFACE_CULL_CCW
;
682 rmesa
->hw
.tcl
.cmd
[TCL_UCP_VERT_BLEND_CTL
] |= R200_CULL_FRONT_IS_CCW
;
687 /* =============================================================
690 static void r200PointSize( GLcontext
*ctx
, GLfloat size
)
692 if (0) fprintf(stderr
, "%s: %f\n", __FUNCTION__
, size
);
695 /* =============================================================
698 static void r200LineWidth( GLcontext
*ctx
, GLfloat widthf
)
700 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
702 R200_STATECHANGE( rmesa
, lin
);
703 R200_STATECHANGE( rmesa
, set
);
705 /* Line width is stored in U6.4 format.
707 rmesa
->hw
.lin
.cmd
[LIN_SE_LINE_WIDTH
] &= ~0xffff;
708 rmesa
->hw
.lin
.cmd
[LIN_SE_LINE_WIDTH
] |= (GLuint
)(ctx
->Line
._Width
* 16.0);
710 if ( widthf
> 1.0 ) {
711 rmesa
->hw
.set
.cmd
[SET_SE_CNTL
] |= R200_WIDELINE_ENABLE
;
713 rmesa
->hw
.set
.cmd
[SET_SE_CNTL
] &= ~R200_WIDELINE_ENABLE
;
717 static void r200LineStipple( GLcontext
*ctx
, GLint factor
, GLushort pattern
)
719 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
721 R200_STATECHANGE( rmesa
, lin
);
722 rmesa
->hw
.lin
.cmd
[LIN_RE_LINE_PATTERN
] =
723 ((((GLuint
)factor
& 0xff) << 16) | ((GLuint
)pattern
));
727 /* =============================================================
730 static void r200ColorMask( GLcontext
*ctx
,
731 GLboolean r
, GLboolean g
,
732 GLboolean b
, GLboolean a
)
734 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
735 GLuint mask
= r200PackColor( rmesa
->r200Screen
->cpp
,
736 ctx
->Color
.ColorMask
[RCOMP
],
737 ctx
->Color
.ColorMask
[GCOMP
],
738 ctx
->Color
.ColorMask
[BCOMP
],
739 ctx
->Color
.ColorMask
[ACOMP
] );
741 GLuint flag
= rmesa
->hw
.ctx
.cmd
[CTX_RB3D_CNTL
] & ~R200_PLANE_MASK_ENABLE
;
743 if (!(r
&& g
&& b
&& a
))
744 flag
|= R200_PLANE_MASK_ENABLE
;
746 if ( rmesa
->hw
.ctx
.cmd
[CTX_RB3D_CNTL
] != flag
) {
747 R200_STATECHANGE( rmesa
, ctx
);
748 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_CNTL
] = flag
;
751 if ( rmesa
->hw
.msk
.cmd
[MSK_RB3D_PLANEMASK
] != mask
) {
752 R200_STATECHANGE( rmesa
, msk
);
753 rmesa
->hw
.msk
.cmd
[MSK_RB3D_PLANEMASK
] = mask
;
758 /* =============================================================
762 static void r200PolygonOffset( GLcontext
*ctx
,
763 GLfloat factor
, GLfloat units
)
765 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
766 GLfloat constant
= units
* rmesa
->state
.depth
.scale
;
771 /* fprintf(stderr, "%s f:%f u:%f\n", __FUNCTION__, factor, constant); */
773 R200_STATECHANGE( rmesa
, zbs
);
774 rmesa
->hw
.zbs
.cmd
[ZBS_SE_ZBIAS_FACTOR
] = *(GLuint
*)&factor
;
775 rmesa
->hw
.zbs
.cmd
[ZBS_SE_ZBIAS_CONSTANT
] = *(GLuint
*)&constant
;
778 static void r200PolygonStipple( GLcontext
*ctx
, const GLubyte
*mask
)
780 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
782 drm_radeon_stipple_t stipple
;
784 /* Must flip pattern upside down.
786 for ( i
= 0 ; i
< 32 ; i
++ ) {
787 rmesa
->state
.stipple
.mask
[31 - i
] = ((GLuint
*) mask
)[i
];
790 /* TODO: push this into cmd mechanism
792 R200_FIREVERTICES( rmesa
);
793 LOCK_HARDWARE( rmesa
);
795 /* FIXME: Use window x,y offsets into stipple RAM.
797 stipple
.mask
= rmesa
->state
.stipple
.mask
;
798 drmCommandWrite( rmesa
->dri
.fd
, DRM_RADEON_STIPPLE
,
799 &stipple
, sizeof(stipple
) );
800 UNLOCK_HARDWARE( rmesa
);
803 static void r200PolygonMode( GLcontext
*ctx
, GLenum face
, GLenum mode
)
805 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
806 GLboolean flag
= (ctx
->_TriangleCaps
& DD_TRI_UNFILLED
) != 0;
808 /* Can't generally do unfilled via tcl, but some good special
811 TCL_FALLBACK( ctx
, R200_TCL_FALLBACK_UNFILLED
, flag
);
812 if (rmesa
->TclFallback
) {
813 r200ChooseRenderState( ctx
);
814 r200ChooseVertexState( ctx
);
819 /* =============================================================
820 * Rendering attributes
822 * We really don't want to recalculate all this every time we bind a
823 * texture. These things shouldn't change all that often, so it makes
824 * sense to break them out of the core texture state update routines.
827 /* Examine lighting and texture state to determine if separate specular
830 static void r200UpdateSpecular( GLcontext
*ctx
)
832 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
833 u_int32_t p
= rmesa
->hw
.ctx
.cmd
[CTX_PP_CNTL
];
835 R200_STATECHANGE( rmesa
, tcl
);
836 R200_STATECHANGE( rmesa
, vtx
);
838 rmesa
->hw
.vtx
.cmd
[VTX_TCL_OUTPUT_VTXFMT_0
] &= ~(3<<R200_VTX_COLOR_0_SHIFT
);
839 rmesa
->hw
.vtx
.cmd
[VTX_TCL_OUTPUT_VTXFMT_0
] &= ~(3<<R200_VTX_COLOR_1_SHIFT
);
840 rmesa
->hw
.vtx
.cmd
[VTX_TCL_OUTPUT_COMPSEL
] &= ~R200_OUTPUT_COLOR_0
;
841 rmesa
->hw
.vtx
.cmd
[VTX_TCL_OUTPUT_COMPSEL
] &= ~R200_OUTPUT_COLOR_1
;
842 rmesa
->hw
.tcl
.cmd
[TCL_LIGHT_MODEL_CTL_0
] &= ~R200_LIGHTING_ENABLE
;
844 p
&= ~R200_SPECULAR_ENABLE
;
846 rmesa
->hw
.tcl
.cmd
[TCL_LIGHT_MODEL_CTL_0
] |= R200_DIFFUSE_SPECULAR_COMBINE
;
849 if (ctx
->Light
.Enabled
&&
850 ctx
->Light
.Model
.ColorControl
== GL_SEPARATE_SPECULAR_COLOR
) {
851 rmesa
->hw
.vtx
.cmd
[VTX_TCL_OUTPUT_VTXFMT_0
] |=
852 ((R200_VTX_FP_RGBA
<< R200_VTX_COLOR_0_SHIFT
) |
853 (R200_VTX_FP_RGBA
<< R200_VTX_COLOR_1_SHIFT
));
854 rmesa
->hw
.vtx
.cmd
[VTX_TCL_OUTPUT_COMPSEL
] |= R200_OUTPUT_COLOR_0
;
855 rmesa
->hw
.vtx
.cmd
[VTX_TCL_OUTPUT_COMPSEL
] |= R200_OUTPUT_COLOR_1
;
856 rmesa
->hw
.tcl
.cmd
[TCL_LIGHT_MODEL_CTL_0
] |= R200_LIGHTING_ENABLE
;
857 p
|= R200_SPECULAR_ENABLE
;
858 rmesa
->hw
.tcl
.cmd
[TCL_LIGHT_MODEL_CTL_0
] &=
859 ~R200_DIFFUSE_SPECULAR_COMBINE
;
861 else if (ctx
->Light
.Enabled
) {
862 rmesa
->hw
.vtx
.cmd
[VTX_TCL_OUTPUT_VTXFMT_0
] |=
863 ((R200_VTX_FP_RGBA
<< R200_VTX_COLOR_0_SHIFT
));
864 rmesa
->hw
.vtx
.cmd
[VTX_TCL_OUTPUT_COMPSEL
] |= R200_OUTPUT_COLOR_0
;
865 rmesa
->hw
.tcl
.cmd
[TCL_LIGHT_MODEL_CTL_0
] |= R200_LIGHTING_ENABLE
;
866 } else if (ctx
->Fog
.ColorSumEnabled
) {
867 rmesa
->hw
.vtx
.cmd
[VTX_TCL_OUTPUT_VTXFMT_0
] |=
868 ((R200_VTX_FP_RGBA
<< R200_VTX_COLOR_0_SHIFT
) |
869 (R200_VTX_FP_RGBA
<< R200_VTX_COLOR_1_SHIFT
));
870 p
|= R200_SPECULAR_ENABLE
;
872 rmesa
->hw
.vtx
.cmd
[VTX_TCL_OUTPUT_VTXFMT_0
] |=
873 ((R200_VTX_FP_RGBA
<< R200_VTX_COLOR_0_SHIFT
));
876 if (ctx
->Fog
.Enabled
) {
877 rmesa
->hw
.vtx
.cmd
[VTX_TCL_OUTPUT_VTXFMT_0
] |=
878 ((R200_VTX_FP_RGBA
<< R200_VTX_COLOR_1_SHIFT
));
879 rmesa
->hw
.vtx
.cmd
[VTX_TCL_OUTPUT_COMPSEL
] |= R200_OUTPUT_COLOR_1
;
882 if ( rmesa
->hw
.ctx
.cmd
[CTX_PP_CNTL
] != p
) {
883 R200_STATECHANGE( rmesa
, ctx
);
884 rmesa
->hw
.ctx
.cmd
[CTX_PP_CNTL
] = p
;
887 /* Update vertex/render formats
889 if (rmesa
->TclFallback
) {
890 r200ChooseRenderState( ctx
);
891 r200ChooseVertexState( ctx
);
896 /* =============================================================
901 /* Update on colormaterial, material emmissive/ambient,
902 * lightmodel.globalambient
904 static void update_global_ambient( GLcontext
*ctx
)
906 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
907 float *fcmd
= (float *)R200_DB_STATE( glt
);
909 /* Need to do more if both emmissive & ambient are PREMULT:
910 * I believe this is not nessary when using source_material. This condition thus
911 * will never happen currently, and the function has no dependencies on materials now
913 if ((rmesa
->hw
.tcl
.cmd
[TCL_LIGHT_MODEL_CTL_1
] &
914 ((3 << R200_FRONT_EMISSIVE_SOURCE_SHIFT
) |
915 (3 << R200_FRONT_AMBIENT_SOURCE_SHIFT
))) == 0)
917 COPY_3V( &fcmd
[GLT_RED
],
918 ctx
->Light
.Material
.Attrib
[MAT_ATTRIB_FRONT_EMISSION
]);
919 ACC_SCALE_3V( &fcmd
[GLT_RED
],
920 ctx
->Light
.Model
.Ambient
,
921 ctx
->Light
.Material
.Attrib
[MAT_ATTRIB_FRONT_AMBIENT
]);
925 COPY_3V( &fcmd
[GLT_RED
], ctx
->Light
.Model
.Ambient
);
928 R200_DB_STATECHANGE(rmesa
, &rmesa
->hw
.glt
);
931 /* Update on change to
935 static void update_light_colors( GLcontext
*ctx
, GLuint p
)
937 struct gl_light
*l
= &ctx
->Light
.Light
[p
];
939 /* fprintf(stderr, "%s\n", __FUNCTION__); */
942 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
943 float *fcmd
= (float *)R200_DB_STATE( lit
[p
] );
945 COPY_4V( &fcmd
[LIT_AMBIENT_RED
], l
->Ambient
);
946 COPY_4V( &fcmd
[LIT_DIFFUSE_RED
], l
->Diffuse
);
947 COPY_4V( &fcmd
[LIT_SPECULAR_RED
], l
->Specular
);
949 R200_DB_STATECHANGE( rmesa
, &rmesa
->hw
.lit
[p
] );
953 static void r200ColorMaterial( GLcontext
*ctx
, GLenum face
, GLenum mode
)
955 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
956 GLuint light_model_ctl1
= rmesa
->hw
.tcl
.cmd
[TCL_LIGHT_MODEL_CTL_1
];
957 light_model_ctl1
&= ~((0xf << R200_FRONT_EMISSIVE_SOURCE_SHIFT
) |
958 (0xf << R200_FRONT_AMBIENT_SOURCE_SHIFT
) |
959 (0xf << R200_FRONT_DIFFUSE_SOURCE_SHIFT
) |
960 (0xf << R200_FRONT_SPECULAR_SOURCE_SHIFT
) |
961 (0xf << R200_BACK_EMISSIVE_SOURCE_SHIFT
) |
962 (0xf << R200_BACK_AMBIENT_SOURCE_SHIFT
) |
963 (0xf << R200_BACK_DIFFUSE_SOURCE_SHIFT
) |
964 (0xf << R200_BACK_SPECULAR_SOURCE_SHIFT
));
966 if (ctx
->Light
.ColorMaterialEnabled
) {
967 GLuint mask
= ctx
->Light
.ColorMaterialBitmask
;
969 if (mask
& MAT_BIT_FRONT_EMISSION
) {
970 light_model_ctl1
|= (R200_LM1_SOURCE_VERTEX_COLOR_0
<<
971 R200_FRONT_EMISSIVE_SOURCE_SHIFT
);
974 light_model_ctl1
|= (R200_LM1_SOURCE_MATERIAL_0
<<
975 R200_FRONT_EMISSIVE_SOURCE_SHIFT
);
977 if (mask
& MAT_BIT_FRONT_AMBIENT
) {
978 light_model_ctl1
|= (R200_LM1_SOURCE_VERTEX_COLOR_0
<<
979 R200_FRONT_AMBIENT_SOURCE_SHIFT
);
982 light_model_ctl1
|= (R200_LM1_SOURCE_MATERIAL_0
<<
983 R200_FRONT_AMBIENT_SOURCE_SHIFT
);
985 if (mask
& MAT_BIT_FRONT_DIFFUSE
) {
986 light_model_ctl1
|= (R200_LM1_SOURCE_VERTEX_COLOR_0
<<
987 R200_FRONT_DIFFUSE_SOURCE_SHIFT
);
990 light_model_ctl1
|= (R200_LM1_SOURCE_MATERIAL_0
<<
991 R200_FRONT_DIFFUSE_SOURCE_SHIFT
);
993 if (mask
& MAT_BIT_FRONT_SPECULAR
) {
994 light_model_ctl1
|= (R200_LM1_SOURCE_VERTEX_COLOR_0
<<
995 R200_FRONT_SPECULAR_SOURCE_SHIFT
);
998 light_model_ctl1
|= (R200_LM1_SOURCE_MATERIAL_0
<<
999 R200_FRONT_SPECULAR_SOURCE_SHIFT
);
1002 if (mask
& MAT_BIT_BACK_EMISSION
) {
1003 light_model_ctl1
|= (R200_LM1_SOURCE_VERTEX_COLOR_0
<<
1004 R200_BACK_EMISSIVE_SOURCE_SHIFT
);
1007 else light_model_ctl1
|= (R200_LM1_SOURCE_MATERIAL_1
<<
1008 R200_BACK_EMISSIVE_SOURCE_SHIFT
);
1010 if (mask
& MAT_BIT_BACK_AMBIENT
) {
1011 light_model_ctl1
|= (R200_LM1_SOURCE_VERTEX_COLOR_0
<<
1012 R200_BACK_AMBIENT_SOURCE_SHIFT
);
1014 else light_model_ctl1
|= (R200_LM1_SOURCE_MATERIAL_1
<<
1015 R200_BACK_AMBIENT_SOURCE_SHIFT
);
1017 if (mask
& MAT_BIT_BACK_DIFFUSE
) {
1018 light_model_ctl1
|= (R200_LM1_SOURCE_VERTEX_COLOR_0
<<
1019 R200_BACK_DIFFUSE_SOURCE_SHIFT
);
1021 else light_model_ctl1
|= (R200_LM1_SOURCE_MATERIAL_1
<<
1022 R200_BACK_DIFFUSE_SOURCE_SHIFT
);
1024 if (mask
& MAT_BIT_BACK_SPECULAR
) {
1025 light_model_ctl1
|= (R200_LM1_SOURCE_VERTEX_COLOR_0
<<
1026 R200_BACK_SPECULAR_SOURCE_SHIFT
);
1029 light_model_ctl1
|= (R200_LM1_SOURCE_MATERIAL_1
<<
1030 R200_BACK_SPECULAR_SOURCE_SHIFT
);
1034 /* Default to SOURCE_MATERIAL:
1037 (R200_LM1_SOURCE_MATERIAL_0
<< R200_FRONT_EMISSIVE_SOURCE_SHIFT
) |
1038 (R200_LM1_SOURCE_MATERIAL_0
<< R200_FRONT_AMBIENT_SOURCE_SHIFT
) |
1039 (R200_LM1_SOURCE_MATERIAL_0
<< R200_FRONT_DIFFUSE_SOURCE_SHIFT
) |
1040 (R200_LM1_SOURCE_MATERIAL_0
<< R200_FRONT_SPECULAR_SOURCE_SHIFT
) |
1041 (R200_LM1_SOURCE_MATERIAL_1
<< R200_BACK_EMISSIVE_SOURCE_SHIFT
) |
1042 (R200_LM1_SOURCE_MATERIAL_1
<< R200_BACK_AMBIENT_SOURCE_SHIFT
) |
1043 (R200_LM1_SOURCE_MATERIAL_1
<< R200_BACK_DIFFUSE_SOURCE_SHIFT
) |
1044 (R200_LM1_SOURCE_MATERIAL_1
<< R200_BACK_SPECULAR_SOURCE_SHIFT
);
1047 if (light_model_ctl1
!= rmesa
->hw
.tcl
.cmd
[TCL_LIGHT_MODEL_CTL_1
]) {
1048 R200_STATECHANGE( rmesa
, tcl
);
1049 rmesa
->hw
.tcl
.cmd
[TCL_LIGHT_MODEL_CTL_1
] = light_model_ctl1
;
1055 void r200UpdateMaterial( GLcontext
*ctx
)
1057 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
1058 GLfloat (*mat
)[4] = ctx
->Light
.Material
.Attrib
;
1059 GLfloat
*fcmd
= (GLfloat
*)R200_DB_STATE( mtl
[0] );
1060 GLfloat
*fcmd2
= (GLfloat
*)R200_DB_STATE( mtl
[1] );
1063 /* Might be possible and faster to update everything unconditionally? */
1064 if (ctx
->Light
.ColorMaterialEnabled
)
1065 mask
&= ~ctx
->Light
.ColorMaterialBitmask
;
1067 if (R200_DEBUG
& DEBUG_STATE
)
1068 fprintf(stderr
, "%s\n", __FUNCTION__
);
1070 if (mask
& MAT_BIT_FRONT_EMISSION
) {
1071 fcmd
[MTL_EMMISSIVE_RED
] = mat
[MAT_ATTRIB_FRONT_EMISSION
][0];
1072 fcmd
[MTL_EMMISSIVE_GREEN
] = mat
[MAT_ATTRIB_FRONT_EMISSION
][1];
1073 fcmd
[MTL_EMMISSIVE_BLUE
] = mat
[MAT_ATTRIB_FRONT_EMISSION
][2];
1074 fcmd
[MTL_EMMISSIVE_ALPHA
] = mat
[MAT_ATTRIB_FRONT_EMISSION
][3];
1076 if (mask
& MAT_BIT_FRONT_AMBIENT
) {
1077 fcmd
[MTL_AMBIENT_RED
] = mat
[MAT_ATTRIB_FRONT_AMBIENT
][0];
1078 fcmd
[MTL_AMBIENT_GREEN
] = mat
[MAT_ATTRIB_FRONT_AMBIENT
][1];
1079 fcmd
[MTL_AMBIENT_BLUE
] = mat
[MAT_ATTRIB_FRONT_AMBIENT
][2];
1080 fcmd
[MTL_AMBIENT_ALPHA
] = mat
[MAT_ATTRIB_FRONT_AMBIENT
][3];
1082 if (mask
& MAT_BIT_FRONT_DIFFUSE
) {
1083 fcmd
[MTL_DIFFUSE_RED
] = mat
[MAT_ATTRIB_FRONT_DIFFUSE
][0];
1084 fcmd
[MTL_DIFFUSE_GREEN
] = mat
[MAT_ATTRIB_FRONT_DIFFUSE
][1];
1085 fcmd
[MTL_DIFFUSE_BLUE
] = mat
[MAT_ATTRIB_FRONT_DIFFUSE
][2];
1086 fcmd
[MTL_DIFFUSE_ALPHA
] = mat
[MAT_ATTRIB_FRONT_DIFFUSE
][3];
1088 if (mask
& MAT_BIT_FRONT_SPECULAR
) {
1089 fcmd
[MTL_SPECULAR_RED
] = mat
[MAT_ATTRIB_FRONT_SPECULAR
][0];
1090 fcmd
[MTL_SPECULAR_GREEN
] = mat
[MAT_ATTRIB_FRONT_SPECULAR
][1];
1091 fcmd
[MTL_SPECULAR_BLUE
] = mat
[MAT_ATTRIB_FRONT_SPECULAR
][2];
1092 fcmd
[MTL_SPECULAR_ALPHA
] = mat
[MAT_ATTRIB_FRONT_SPECULAR
][3];
1094 if (mask
& MAT_BIT_FRONT_SHININESS
) {
1095 fcmd
[MTL_SHININESS
] = mat
[MAT_ATTRIB_FRONT_SHININESS
][0];
1098 if (mask
& MAT_BIT_BACK_EMISSION
) {
1099 fcmd2
[MTL_EMMISSIVE_RED
] = mat
[MAT_ATTRIB_BACK_EMISSION
][0];
1100 fcmd2
[MTL_EMMISSIVE_GREEN
] = mat
[MAT_ATTRIB_BACK_EMISSION
][1];
1101 fcmd2
[MTL_EMMISSIVE_BLUE
] = mat
[MAT_ATTRIB_BACK_EMISSION
][2];
1102 fcmd2
[MTL_EMMISSIVE_ALPHA
] = mat
[MAT_ATTRIB_BACK_EMISSION
][3];
1104 if (mask
& MAT_BIT_BACK_AMBIENT
) {
1105 fcmd2
[MTL_AMBIENT_RED
] = mat
[MAT_ATTRIB_BACK_AMBIENT
][0];
1106 fcmd2
[MTL_AMBIENT_GREEN
] = mat
[MAT_ATTRIB_BACK_AMBIENT
][1];
1107 fcmd2
[MTL_AMBIENT_BLUE
] = mat
[MAT_ATTRIB_BACK_AMBIENT
][2];
1108 fcmd2
[MTL_AMBIENT_ALPHA
] = mat
[MAT_ATTRIB_BACK_AMBIENT
][3];
1110 if (mask
& MAT_BIT_BACK_DIFFUSE
) {
1111 fcmd2
[MTL_DIFFUSE_RED
] = mat
[MAT_ATTRIB_BACK_DIFFUSE
][0];
1112 fcmd2
[MTL_DIFFUSE_GREEN
] = mat
[MAT_ATTRIB_BACK_DIFFUSE
][1];
1113 fcmd2
[MTL_DIFFUSE_BLUE
] = mat
[MAT_ATTRIB_BACK_DIFFUSE
][2];
1114 fcmd2
[MTL_DIFFUSE_ALPHA
] = mat
[MAT_ATTRIB_BACK_DIFFUSE
][3];
1116 if (mask
& MAT_BIT_BACK_SPECULAR
) {
1117 fcmd2
[MTL_SPECULAR_RED
] = mat
[MAT_ATTRIB_BACK_SPECULAR
][0];
1118 fcmd2
[MTL_SPECULAR_GREEN
] = mat
[MAT_ATTRIB_BACK_SPECULAR
][1];
1119 fcmd2
[MTL_SPECULAR_BLUE
] = mat
[MAT_ATTRIB_BACK_SPECULAR
][2];
1120 fcmd2
[MTL_SPECULAR_ALPHA
] = mat
[MAT_ATTRIB_BACK_SPECULAR
][3];
1122 if (mask
& MAT_BIT_BACK_SHININESS
) {
1123 fcmd2
[MTL_SHININESS
] = mat
[MAT_ATTRIB_BACK_SHININESS
][0];
1126 R200_DB_STATECHANGE( rmesa
, &rmesa
->hw
.mtl
[0] );
1127 R200_DB_STATECHANGE( rmesa
, &rmesa
->hw
.mtl
[1] );
1129 /* currently material changes cannot trigger a global ambient change, I believe this is correct
1130 update_global_ambient( ctx ); */
1135 * _MESA_NEW_NEED_EYE_COORDS
1137 * Uses derived state from mesa:
1142 * _ModelViewInvScale
1146 * which are calculated in light.c and are correct for the current
1147 * lighting space (model or eye), hence dependencies on _NEW_MODELVIEW
1148 * and _MESA_NEW_NEED_EYE_COORDS.
1150 static void update_light( GLcontext
*ctx
)
1152 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
1154 /* Have to check these, or have an automatic shortcircuit mechanism
1155 * to remove noop statechanges. (Or just do a better job on the
1159 GLuint tmp
= rmesa
->hw
.tcl
.cmd
[TCL_LIGHT_MODEL_CTL_0
];
1161 if (ctx
->_NeedEyeCoords
)
1162 tmp
&= ~R200_LIGHT_IN_MODELSPACE
;
1164 tmp
|= R200_LIGHT_IN_MODELSPACE
;
1166 if (tmp
!= rmesa
->hw
.tcl
.cmd
[TCL_LIGHT_MODEL_CTL_0
])
1168 R200_STATECHANGE( rmesa
, tcl
);
1169 rmesa
->hw
.tcl
.cmd
[TCL_LIGHT_MODEL_CTL_0
] = tmp
;
1174 GLfloat
*fcmd
= (GLfloat
*)R200_DB_STATE( eye
);
1175 fcmd
[EYE_X
] = ctx
->_EyeZDir
[0];
1176 fcmd
[EYE_Y
] = ctx
->_EyeZDir
[1];
1177 fcmd
[EYE_Z
] = - ctx
->_EyeZDir
[2];
1178 fcmd
[EYE_RESCALE_FACTOR
] = ctx
->_ModelViewInvScale
;
1179 R200_DB_STATECHANGE( rmesa
, &rmesa
->hw
.eye
);
1184 if (ctx
->Light
.Enabled
) {
1186 for (p
= 0 ; p
< MAX_LIGHTS
; p
++) {
1187 if (ctx
->Light
.Light
[p
].Enabled
) {
1188 struct gl_light
*l
= &ctx
->Light
.Light
[p
];
1189 GLfloat
*fcmd
= (GLfloat
*)R200_DB_STATE( lit
[p
] );
1191 if (l
->EyePosition
[3] == 0.0) {
1192 COPY_3FV( &fcmd
[LIT_POSITION_X
], l
->_VP_inf_norm
);
1193 COPY_3FV( &fcmd
[LIT_DIRECTION_X
], l
->_h_inf_norm
);
1194 fcmd
[LIT_POSITION_W
] = 0;
1195 fcmd
[LIT_DIRECTION_W
] = 0;
1197 COPY_4V( &fcmd
[LIT_POSITION_X
], l
->_Position
);
1198 fcmd
[LIT_DIRECTION_X
] = -l
->_NormDirection
[0];
1199 fcmd
[LIT_DIRECTION_Y
] = -l
->_NormDirection
[1];
1200 fcmd
[LIT_DIRECTION_Z
] = -l
->_NormDirection
[2];
1201 fcmd
[LIT_DIRECTION_W
] = 0;
1204 R200_DB_STATECHANGE( rmesa
, &rmesa
->hw
.lit
[p
] );
1210 static void r200Lightfv( GLcontext
*ctx
, GLenum light
,
1211 GLenum pname
, const GLfloat
*params
)
1213 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
1214 GLint p
= light
- GL_LIGHT0
;
1215 struct gl_light
*l
= &ctx
->Light
.Light
[p
];
1216 GLfloat
*fcmd
= (GLfloat
*)rmesa
->hw
.lit
[p
].cmd
;
1223 update_light_colors( ctx
, p
);
1226 case GL_SPOT_DIRECTION
:
1227 /* picked up in update_light */
1231 /* positions picked up in update_light, but can do flag here */
1232 GLuint flag
= (p
&1)? R200_LIGHT_1_IS_LOCAL
: R200_LIGHT_0_IS_LOCAL
;
1233 GLuint idx
= TCL_PER_LIGHT_CTL_0
+ p
/2;
1235 R200_STATECHANGE(rmesa
, tcl
);
1236 if (l
->EyePosition
[3] != 0.0F
)
1237 rmesa
->hw
.tcl
.cmd
[idx
] |= flag
;
1239 rmesa
->hw
.tcl
.cmd
[idx
] &= ~flag
;
1243 case GL_SPOT_EXPONENT
:
1244 R200_STATECHANGE(rmesa
, lit
[p
]);
1245 fcmd
[LIT_SPOT_EXPONENT
] = params
[0];
1248 case GL_SPOT_CUTOFF
: {
1249 GLuint flag
= (p
&1) ? R200_LIGHT_1_IS_SPOT
: R200_LIGHT_0_IS_SPOT
;
1250 GLuint idx
= TCL_PER_LIGHT_CTL_0
+ p
/2;
1252 R200_STATECHANGE(rmesa
, lit
[p
]);
1253 fcmd
[LIT_SPOT_CUTOFF
] = l
->_CosCutoff
;
1255 R200_STATECHANGE(rmesa
, tcl
);
1256 if (l
->SpotCutoff
!= 180.0F
)
1257 rmesa
->hw
.tcl
.cmd
[idx
] |= flag
;
1259 rmesa
->hw
.tcl
.cmd
[idx
] &= ~flag
;
1264 case GL_CONSTANT_ATTENUATION
:
1265 R200_STATECHANGE(rmesa
, lit
[p
]);
1266 fcmd
[LIT_ATTEN_CONST
] = params
[0];
1267 if ( params
[0] == 0.0 )
1268 fcmd
[LIT_ATTEN_CONST_INV
] = FLT_MAX
;
1270 fcmd
[LIT_ATTEN_CONST_INV
] = 1.0 / params
[0];
1272 case GL_LINEAR_ATTENUATION
:
1273 R200_STATECHANGE(rmesa
, lit
[p
]);
1274 fcmd
[LIT_ATTEN_LINEAR
] = params
[0];
1276 case GL_QUADRATIC_ATTENUATION
:
1277 R200_STATECHANGE(rmesa
, lit
[p
]);
1278 fcmd
[LIT_ATTEN_QUADRATIC
] = params
[0];
1284 /* Set RANGE_ATTEN only when needed */
1287 case GL_CONSTANT_ATTENUATION
:
1288 case GL_LINEAR_ATTENUATION
:
1289 case GL_QUADRATIC_ATTENUATION
: {
1290 GLuint
*icmd
= (GLuint
*)R200_DB_STATE( tcl
);
1291 GLuint idx
= TCL_PER_LIGHT_CTL_0
+ p
/2;
1292 GLuint atten_flag
= ( p
&1 ) ? R200_LIGHT_1_ENABLE_RANGE_ATTEN
1293 : R200_LIGHT_0_ENABLE_RANGE_ATTEN
;
1294 GLuint atten_const_flag
= ( p
&1 ) ? R200_LIGHT_1_CONSTANT_RANGE_ATTEN
1295 : R200_LIGHT_0_CONSTANT_RANGE_ATTEN
;
1297 if ( l
->EyePosition
[3] == 0.0F
||
1298 ( ( fcmd
[LIT_ATTEN_CONST
] == 0.0 || fcmd
[LIT_ATTEN_CONST
] == 1.0 ) &&
1299 fcmd
[LIT_ATTEN_QUADRATIC
] == 0.0 && fcmd
[LIT_ATTEN_LINEAR
] == 0.0 ) ) {
1300 /* Disable attenuation */
1301 icmd
[idx
] &= ~atten_flag
;
1303 if ( fcmd
[LIT_ATTEN_QUADRATIC
] == 0.0 && fcmd
[LIT_ATTEN_LINEAR
] == 0.0 ) {
1304 /* Enable only constant portion of attenuation calculation */
1305 icmd
[idx
] |= ( atten_flag
| atten_const_flag
);
1307 /* Enable full attenuation calculation */
1308 icmd
[idx
] &= ~atten_const_flag
;
1309 icmd
[idx
] |= atten_flag
;
1313 R200_DB_STATECHANGE( rmesa
, &rmesa
->hw
.tcl
);
1324 static void r200LightModelfv( GLcontext
*ctx
, GLenum pname
,
1325 const GLfloat
*param
)
1327 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
1330 case GL_LIGHT_MODEL_AMBIENT
:
1331 update_global_ambient( ctx
);
1334 case GL_LIGHT_MODEL_LOCAL_VIEWER
:
1335 R200_STATECHANGE( rmesa
, tcl
);
1336 if (ctx
->Light
.Model
.LocalViewer
)
1337 rmesa
->hw
.tcl
.cmd
[TCL_LIGHT_MODEL_CTL_0
] |= R200_LOCAL_VIEWER
;
1339 rmesa
->hw
.tcl
.cmd
[TCL_LIGHT_MODEL_CTL_0
] &= ~R200_LOCAL_VIEWER
;
1342 case GL_LIGHT_MODEL_TWO_SIDE
:
1343 R200_STATECHANGE( rmesa
, tcl
);
1344 if (ctx
->Light
.Model
.TwoSide
)
1345 rmesa
->hw
.tcl
.cmd
[TCL_LIGHT_MODEL_CTL_0
] |= R200_LIGHT_TWOSIDE
;
1347 rmesa
->hw
.tcl
.cmd
[TCL_LIGHT_MODEL_CTL_0
] &= ~(R200_LIGHT_TWOSIDE
);
1348 if (rmesa
->TclFallback
) {
1349 r200ChooseRenderState( ctx
);
1350 r200ChooseVertexState( ctx
);
1354 case GL_LIGHT_MODEL_COLOR_CONTROL
:
1355 r200UpdateSpecular(ctx
);
1363 static void r200ShadeModel( GLcontext
*ctx
, GLenum mode
)
1365 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
1366 GLuint s
= rmesa
->hw
.set
.cmd
[SET_SE_CNTL
];
1368 s
&= ~(R200_DIFFUSE_SHADE_MASK
|
1369 R200_ALPHA_SHADE_MASK
|
1370 R200_SPECULAR_SHADE_MASK
|
1371 R200_FOG_SHADE_MASK
);
1375 s
|= (R200_DIFFUSE_SHADE_FLAT
|
1376 R200_ALPHA_SHADE_FLAT
|
1377 R200_SPECULAR_SHADE_FLAT
|
1378 R200_FOG_SHADE_FLAT
);
1381 s
|= (R200_DIFFUSE_SHADE_GOURAUD
|
1382 R200_ALPHA_SHADE_GOURAUD
|
1383 R200_SPECULAR_SHADE_GOURAUD
|
1384 R200_FOG_SHADE_GOURAUD
);
1390 if ( rmesa
->hw
.set
.cmd
[SET_SE_CNTL
] != s
) {
1391 R200_STATECHANGE( rmesa
, set
);
1392 rmesa
->hw
.set
.cmd
[SET_SE_CNTL
] = s
;
1397 /* =============================================================
1401 static void r200ClipPlane( GLcontext
*ctx
, GLenum plane
, const GLfloat
*eq
)
1403 GLint p
= (GLint
) plane
- (GLint
) GL_CLIP_PLANE0
;
1404 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
1405 GLint
*ip
= (GLint
*)ctx
->Transform
._ClipUserPlane
[p
];
1407 R200_STATECHANGE( rmesa
, ucp
[p
] );
1408 rmesa
->hw
.ucp
[p
].cmd
[UCP_X
] = ip
[0];
1409 rmesa
->hw
.ucp
[p
].cmd
[UCP_Y
] = ip
[1];
1410 rmesa
->hw
.ucp
[p
].cmd
[UCP_Z
] = ip
[2];
1411 rmesa
->hw
.ucp
[p
].cmd
[UCP_W
] = ip
[3];
1414 static void r200UpdateClipPlanes( GLcontext
*ctx
)
1416 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
1419 for (p
= 0; p
< ctx
->Const
.MaxClipPlanes
; p
++) {
1420 if (ctx
->Transform
.ClipPlanesEnabled
& (1 << p
)) {
1421 GLint
*ip
= (GLint
*)ctx
->Transform
._ClipUserPlane
[p
];
1423 R200_STATECHANGE( rmesa
, ucp
[p
] );
1424 rmesa
->hw
.ucp
[p
].cmd
[UCP_X
] = ip
[0];
1425 rmesa
->hw
.ucp
[p
].cmd
[UCP_Y
] = ip
[1];
1426 rmesa
->hw
.ucp
[p
].cmd
[UCP_Z
] = ip
[2];
1427 rmesa
->hw
.ucp
[p
].cmd
[UCP_W
] = ip
[3];
1433 /* =============================================================
1437 static void r200StencilFunc( GLcontext
*ctx
, GLenum func
,
1438 GLint ref
, GLuint mask
)
1440 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
1441 GLuint refmask
= ((ctx
->Stencil
.Ref
[0] << R200_STENCIL_REF_SHIFT
) |
1442 (ctx
->Stencil
.ValueMask
[0] << R200_STENCIL_MASK_SHIFT
));
1444 R200_STATECHANGE( rmesa
, ctx
);
1445 R200_STATECHANGE( rmesa
, msk
);
1447 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] &= ~R200_STENCIL_TEST_MASK
;
1448 rmesa
->hw
.msk
.cmd
[MSK_RB3D_STENCILREFMASK
] &= ~(R200_STENCIL_REF_MASK
|
1449 R200_STENCIL_VALUE_MASK
);
1451 switch ( ctx
->Stencil
.Function
[0] ) {
1453 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_TEST_NEVER
;
1456 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_TEST_LESS
;
1459 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_TEST_EQUAL
;
1462 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_TEST_LEQUAL
;
1465 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_TEST_GREATER
;
1468 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_TEST_NEQUAL
;
1471 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_TEST_GEQUAL
;
1474 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_TEST_ALWAYS
;
1478 rmesa
->hw
.msk
.cmd
[MSK_RB3D_STENCILREFMASK
] |= refmask
;
1481 static void r200StencilMask( GLcontext
*ctx
, GLuint mask
)
1483 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
1485 R200_STATECHANGE( rmesa
, msk
);
1486 rmesa
->hw
.msk
.cmd
[MSK_RB3D_STENCILREFMASK
] &= ~R200_STENCIL_WRITE_MASK
;
1487 rmesa
->hw
.msk
.cmd
[MSK_RB3D_STENCILREFMASK
] |=
1488 (ctx
->Stencil
.WriteMask
[0] << R200_STENCIL_WRITEMASK_SHIFT
);
1491 static void r200StencilOp( GLcontext
*ctx
, GLenum fail
,
1492 GLenum zfail
, GLenum zpass
)
1494 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
1496 R200_STATECHANGE( rmesa
, ctx
);
1497 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] &= ~(R200_STENCIL_FAIL_MASK
|
1498 R200_STENCIL_ZFAIL_MASK
|
1499 R200_STENCIL_ZPASS_MASK
);
1501 switch ( ctx
->Stencil
.FailFunc
[0] ) {
1503 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_FAIL_KEEP
;
1506 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_FAIL_ZERO
;
1509 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_FAIL_REPLACE
;
1512 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_FAIL_INC
;
1515 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_FAIL_DEC
;
1517 case GL_INCR_WRAP_EXT
:
1518 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_FAIL_INC_WRAP
;
1520 case GL_DECR_WRAP_EXT
:
1521 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_FAIL_DEC_WRAP
;
1524 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_FAIL_INVERT
;
1528 switch ( ctx
->Stencil
.ZFailFunc
[0] ) {
1530 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_ZFAIL_KEEP
;
1533 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_ZFAIL_ZERO
;
1536 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_ZFAIL_REPLACE
;
1539 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_ZFAIL_INC
;
1542 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_ZFAIL_DEC
;
1544 case GL_INCR_WRAP_EXT
:
1545 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_ZFAIL_INC_WRAP
;
1547 case GL_DECR_WRAP_EXT
:
1548 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_ZFAIL_DEC_WRAP
;
1551 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_ZFAIL_INVERT
;
1555 switch ( ctx
->Stencil
.ZPassFunc
[0] ) {
1557 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_ZPASS_KEEP
;
1560 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_ZPASS_ZERO
;
1563 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_ZPASS_REPLACE
;
1566 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_ZPASS_INC
;
1569 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_ZPASS_DEC
;
1571 case GL_INCR_WRAP_EXT
:
1572 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_ZPASS_INC_WRAP
;
1574 case GL_DECR_WRAP_EXT
:
1575 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_ZPASS_DEC_WRAP
;
1578 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_ZPASS_INVERT
;
1583 static void r200ClearStencil( GLcontext
*ctx
, GLint s
)
1585 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
1587 rmesa
->state
.stencil
.clear
=
1588 ((GLuint
) ctx
->Stencil
.Clear
|
1589 (0xff << R200_STENCIL_MASK_SHIFT
) |
1590 (ctx
->Stencil
.WriteMask
[0] << R200_STENCIL_WRITEMASK_SHIFT
));
1594 /* =============================================================
1595 * Window position and viewport transformation
1599 * To correctly position primitives:
1601 #define SUBPIXEL_X 0.125
1602 #define SUBPIXEL_Y 0.125
1604 void r200UpdateWindow( GLcontext
*ctx
)
1606 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
1607 __DRIdrawablePrivate
*dPriv
= rmesa
->dri
.drawable
;
1608 GLfloat xoffset
= (GLfloat
)dPriv
->x
;
1609 GLfloat yoffset
= (GLfloat
)dPriv
->y
+ dPriv
->h
;
1610 const GLfloat
*v
= ctx
->Viewport
._WindowMap
.m
;
1612 GLfloat sx
= v
[MAT_SX
];
1613 GLfloat tx
= v
[MAT_TX
] + xoffset
+ SUBPIXEL_X
;
1614 GLfloat sy
= - v
[MAT_SY
];
1615 GLfloat ty
= (- v
[MAT_TY
]) + yoffset
+ SUBPIXEL_Y
;
1616 GLfloat sz
= v
[MAT_SZ
] * rmesa
->state
.depth
.scale
;
1617 GLfloat tz
= v
[MAT_TZ
] * rmesa
->state
.depth
.scale
;
1619 R200_FIREVERTICES( rmesa
);
1620 R200_STATECHANGE( rmesa
, vpt
);
1622 rmesa
->hw
.vpt
.cmd
[VPT_SE_VPORT_XSCALE
] = *(GLuint
*)&sx
;
1623 rmesa
->hw
.vpt
.cmd
[VPT_SE_VPORT_XOFFSET
] = *(GLuint
*)&tx
;
1624 rmesa
->hw
.vpt
.cmd
[VPT_SE_VPORT_YSCALE
] = *(GLuint
*)&sy
;
1625 rmesa
->hw
.vpt
.cmd
[VPT_SE_VPORT_YOFFSET
] = *(GLuint
*)&ty
;
1626 rmesa
->hw
.vpt
.cmd
[VPT_SE_VPORT_ZSCALE
] = *(GLuint
*)&sz
;
1627 rmesa
->hw
.vpt
.cmd
[VPT_SE_VPORT_ZOFFSET
] = *(GLuint
*)&tz
;
1632 static void r200Viewport( GLcontext
*ctx
, GLint x
, GLint y
,
1633 GLsizei width
, GLsizei height
)
1635 /* update size of Mesa/software ancillary buffers */
1636 _mesa_ResizeBuffersMESA();
1637 /* Don't pipeline viewport changes, conflict with window offset
1638 * setting below. Could apply deltas to rescue pipelined viewport
1639 * values, or keep the originals hanging around.
1641 R200_FIREVERTICES( R200_CONTEXT(ctx
) );
1642 r200UpdateWindow( ctx
);
1645 static void r200DepthRange( GLcontext
*ctx
, GLclampd nearval
,
1648 r200UpdateWindow( ctx
);
1651 void r200UpdateViewportOffset( GLcontext
*ctx
)
1653 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
1654 __DRIdrawablePrivate
*dPriv
= rmesa
->dri
.drawable
;
1655 GLfloat xoffset
= (GLfloat
)dPriv
->x
;
1656 GLfloat yoffset
= (GLfloat
)dPriv
->y
+ dPriv
->h
;
1657 const GLfloat
*v
= ctx
->Viewport
._WindowMap
.m
;
1659 GLfloat tx
= v
[MAT_TX
] + xoffset
;
1660 GLfloat ty
= (- v
[MAT_TY
]) + yoffset
;
1662 if ( rmesa
->hw
.vpt
.cmd
[VPT_SE_VPORT_XOFFSET
] != *(GLuint
*)&tx
||
1663 rmesa
->hw
.vpt
.cmd
[VPT_SE_VPORT_YOFFSET
] != *(GLuint
*)&ty
)
1665 /* Note: this should also modify whatever data the context reset
1668 rmesa
->hw
.vpt
.cmd
[VPT_SE_VPORT_XOFFSET
] = *(GLuint
*)&tx
;
1669 rmesa
->hw
.vpt
.cmd
[VPT_SE_VPORT_YOFFSET
] = *(GLuint
*)&ty
;
1671 /* update polygon stipple x/y screen offset */
1674 GLuint m
= rmesa
->hw
.msc
.cmd
[MSC_RE_MISC
];
1676 m
&= ~(R200_STIPPLE_X_OFFSET_MASK
|
1677 R200_STIPPLE_Y_OFFSET_MASK
);
1679 /* add magic offsets, then invert */
1680 stx
= 31 - ((rmesa
->dri
.drawable
->x
- 1) & R200_STIPPLE_COORD_MASK
);
1681 sty
= 31 - ((rmesa
->dri
.drawable
->y
+ rmesa
->dri
.drawable
->h
- 1)
1682 & R200_STIPPLE_COORD_MASK
);
1684 m
|= ((stx
<< R200_STIPPLE_X_OFFSET_SHIFT
) |
1685 (sty
<< R200_STIPPLE_Y_OFFSET_SHIFT
));
1687 if ( rmesa
->hw
.msc
.cmd
[MSC_RE_MISC
] != m
) {
1688 R200_STATECHANGE( rmesa
, msc
);
1689 rmesa
->hw
.msc
.cmd
[MSC_RE_MISC
] = m
;
1694 r200UpdateScissor( ctx
);
1699 /* =============================================================
1703 static void r200ClearColor( GLcontext
*ctx
, const GLfloat c
[4] )
1705 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
1707 CLAMPED_FLOAT_TO_UBYTE(color
[0], c
[0]);
1708 CLAMPED_FLOAT_TO_UBYTE(color
[1], c
[1]);
1709 CLAMPED_FLOAT_TO_UBYTE(color
[2], c
[2]);
1710 CLAMPED_FLOAT_TO_UBYTE(color
[3], c
[3]);
1711 rmesa
->state
.color
.clear
= r200PackColor( rmesa
->r200Screen
->cpp
,
1713 color
[2], color
[3] );
1717 static void r200RenderMode( GLcontext
*ctx
, GLenum mode
)
1719 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
1720 FALLBACK( rmesa
, R200_FALLBACK_RENDER_MODE
, (mode
!= GL_RENDER
) );
1724 static GLuint r200_rop_tab
[] = {
1727 R200_ROP_AND_REVERSE
,
1729 R200_ROP_AND_INVERTED
,
1736 R200_ROP_OR_REVERSE
,
1737 R200_ROP_COPY_INVERTED
,
1738 R200_ROP_OR_INVERTED
,
1743 static void r200LogicOpCode( GLcontext
*ctx
, GLenum opcode
)
1745 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
1746 GLuint rop
= (GLuint
)opcode
- GL_CLEAR
;
1750 R200_STATECHANGE( rmesa
, msk
);
1751 rmesa
->hw
.msk
.cmd
[MSK_RB3D_ROPCNTL
] = r200_rop_tab
[rop
];
1755 void r200SetCliprects( r200ContextPtr rmesa
, GLenum mode
)
1757 __DRIdrawablePrivate
*dPriv
= rmesa
->dri
.drawable
;
1761 rmesa
->numClipRects
= dPriv
->numClipRects
;
1762 rmesa
->pClipRects
= dPriv
->pClipRects
;
1765 /* Can't ignore 2d windows if we are page flipping.
1767 if ( dPriv
->numBackClipRects
== 0 || rmesa
->doPageFlip
) {
1768 rmesa
->numClipRects
= dPriv
->numClipRects
;
1769 rmesa
->pClipRects
= dPriv
->pClipRects
;
1772 rmesa
->numClipRects
= dPriv
->numBackClipRects
;
1773 rmesa
->pClipRects
= dPriv
->pBackClipRects
;
1777 fprintf(stderr
, "bad mode in r200SetCliprects\n");
1781 if (rmesa
->state
.scissor
.enabled
)
1782 r200RecalcScissorRects( rmesa
);
1786 static void r200DrawBuffer( GLcontext
*ctx
, GLenum mode
)
1788 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
1790 if (R200_DEBUG
& DEBUG_DRI
)
1791 fprintf(stderr
, "%s %s\n", __FUNCTION__
,
1792 _mesa_lookup_enum_by_nr( mode
));
1794 R200_FIREVERTICES(rmesa
); /* don't pipeline cliprect changes */
1797 * _DrawDestMask is easier to cope with than <mode>.
1799 switch ( ctx
->Color
._DrawDestMask
[0] ) {
1800 case DD_FRONT_LEFT_BIT
:
1801 FALLBACK( rmesa
, R200_FALLBACK_DRAW_BUFFER
, GL_FALSE
);
1802 r200SetCliprects( rmesa
, GL_FRONT_LEFT
);
1804 case DD_BACK_LEFT_BIT
:
1805 FALLBACK( rmesa
, R200_FALLBACK_DRAW_BUFFER
, GL_FALSE
);
1806 r200SetCliprects( rmesa
, GL_BACK_LEFT
);
1809 /* GL_NONE or GL_FRONT_AND_BACK or stereo left&right, etc */
1810 FALLBACK( rmesa
, R200_FALLBACK_DRAW_BUFFER
, GL_TRUE
);
1814 /* We want to update the s/w rast state too so that r200SetBuffer()
1817 _swrast_DrawBuffer(ctx
, mode
);
1819 R200_STATECHANGE( rmesa
, ctx
);
1820 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_COLOROFFSET
] = ((rmesa
->state
.color
.drawOffset
+
1821 rmesa
->r200Screen
->fbLocation
)
1822 & R200_COLOROFFSET_MASK
);
1823 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_COLORPITCH
] = rmesa
->state
.color
.drawPitch
;
1824 if (rmesa
->sarea
->tiling_enabled
) {
1825 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_COLORPITCH
] |= R200_COLOR_TILE_ENABLE
;
1830 static void r200ReadBuffer( GLcontext
*ctx
, GLenum mode
)
1832 /* nothing, until we implement h/w glRead/CopyPixels or CopyTexImage */
1835 /* =============================================================
1836 * State enable/disable
1839 static void r200Enable( GLcontext
*ctx
, GLenum cap
, GLboolean state
)
1841 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
1844 if ( R200_DEBUG
& DEBUG_STATE
)
1845 fprintf( stderr
, "%s( %s = %s )\n", __FUNCTION__
,
1846 _mesa_lookup_enum_by_nr( cap
),
1847 state
? "GL_TRUE" : "GL_FALSE" );
1850 /* Fast track this one...
1858 R200_STATECHANGE( rmesa
, ctx
);
1860 rmesa
->hw
.ctx
.cmd
[CTX_PP_CNTL
] |= R200_ALPHA_TEST_ENABLE
;
1862 rmesa
->hw
.ctx
.cmd
[CTX_PP_CNTL
] &= ~R200_ALPHA_TEST_ENABLE
;
1867 case GL_COLOR_LOGIC_OP
:
1868 r200_set_blend_state( ctx
);
1871 case GL_CLIP_PLANE0
:
1872 case GL_CLIP_PLANE1
:
1873 case GL_CLIP_PLANE2
:
1874 case GL_CLIP_PLANE3
:
1875 case GL_CLIP_PLANE4
:
1876 case GL_CLIP_PLANE5
:
1877 p
= cap
-GL_CLIP_PLANE0
;
1878 R200_STATECHANGE( rmesa
, tcl
);
1880 rmesa
->hw
.tcl
.cmd
[TCL_UCP_VERT_BLEND_CTL
] |= (R200_UCP_ENABLE_0
<<p
);
1881 r200ClipPlane( ctx
, cap
, NULL
);
1884 rmesa
->hw
.tcl
.cmd
[TCL_UCP_VERT_BLEND_CTL
] &= ~(R200_UCP_ENABLE_0
<<p
);
1888 case GL_COLOR_MATERIAL
:
1889 r200ColorMaterial( ctx
, 0, 0 );
1890 r200UpdateMaterial( ctx
);
1894 r200CullFace( ctx
, 0 );
1898 R200_STATECHANGE(rmesa
, ctx
);
1900 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_CNTL
] |= R200_Z_ENABLE
;
1902 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_CNTL
] &= ~R200_Z_ENABLE
;
1907 R200_STATECHANGE(rmesa
, ctx
);
1909 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_CNTL
] |= R200_DITHER_ENABLE
;
1910 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_CNTL
] &= ~rmesa
->state
.color
.roundEnable
;
1912 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_CNTL
] &= ~R200_DITHER_ENABLE
;
1913 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_CNTL
] |= rmesa
->state
.color
.roundEnable
;
1918 R200_STATECHANGE(rmesa
, ctx
);
1920 rmesa
->hw
.ctx
.cmd
[CTX_PP_CNTL
] |= R200_FOG_ENABLE
;
1921 r200Fogfv( ctx
, GL_FOG_MODE
, 0 );
1923 rmesa
->hw
.ctx
.cmd
[CTX_PP_CNTL
] &= ~R200_FOG_ENABLE
;
1924 R200_STATECHANGE(rmesa
, tcl
);
1925 rmesa
->hw
.tcl
.cmd
[TCL_UCP_VERT_BLEND_CTL
] &= ~R200_TCL_FOG_MASK
;
1927 r200UpdateSpecular( ctx
); /* for PK_SPEC */
1928 if (rmesa
->TclFallback
)
1929 r200ChooseVertexState( ctx
);
1930 _mesa_allow_light_in_model( ctx
, !state
);
1941 R200_STATECHANGE(rmesa
, tcl
);
1942 p
= cap
- GL_LIGHT0
;
1944 flag
= (R200_LIGHT_1_ENABLE
|
1945 R200_LIGHT_1_ENABLE_AMBIENT
|
1946 R200_LIGHT_1_ENABLE_SPECULAR
);
1948 flag
= (R200_LIGHT_0_ENABLE
|
1949 R200_LIGHT_0_ENABLE_AMBIENT
|
1950 R200_LIGHT_0_ENABLE_SPECULAR
);
1953 rmesa
->hw
.tcl
.cmd
[p
/2 + TCL_PER_LIGHT_CTL_0
] |= flag
;
1955 rmesa
->hw
.tcl
.cmd
[p
/2 + TCL_PER_LIGHT_CTL_0
] &= ~flag
;
1959 update_light_colors( ctx
, p
);
1963 r200UpdateSpecular(ctx
);
1966 case GL_LINE_SMOOTH
:
1967 R200_STATECHANGE( rmesa
, ctx
);
1969 rmesa
->hw
.ctx
.cmd
[CTX_PP_CNTL
] |= R200_ANTI_ALIAS_LINE
;
1971 rmesa
->hw
.ctx
.cmd
[CTX_PP_CNTL
] &= ~R200_ANTI_ALIAS_LINE
;
1975 case GL_LINE_STIPPLE
:
1976 R200_STATECHANGE( rmesa
, set
);
1978 rmesa
->hw
.set
.cmd
[SET_RE_CNTL
] |= R200_PATTERN_ENABLE
;
1980 rmesa
->hw
.set
.cmd
[SET_RE_CNTL
] &= ~R200_PATTERN_ENABLE
;
1985 R200_STATECHANGE( rmesa
, tcl
);
1987 rmesa
->hw
.tcl
.cmd
[TCL_LIGHT_MODEL_CTL_0
] |= R200_NORMALIZE_NORMALS
;
1989 rmesa
->hw
.tcl
.cmd
[TCL_LIGHT_MODEL_CTL_0
] &= ~R200_NORMALIZE_NORMALS
;
1993 /* Pointsize registers on r200 don't seem to do anything. Maybe
1994 * have to pass pointsizes as vertex parameters? In any case,
1995 * setting pointmin == pointsizemax == 1.0, and doing nothing
1996 * for aa is enough to satisfy conform.
1998 case GL_POINT_SMOOTH
:
2001 /* These don't really do anything, as we don't use the 3vtx
2005 case GL_POLYGON_OFFSET_POINT
:
2006 R200_STATECHANGE( rmesa
, set
);
2008 rmesa
->hw
.set
.cmd
[SET_SE_CNTL
] |= R200_ZBIAS_ENABLE_POINT
;
2010 rmesa
->hw
.set
.cmd
[SET_SE_CNTL
] &= ~R200_ZBIAS_ENABLE_POINT
;
2014 case GL_POLYGON_OFFSET_LINE
:
2015 R200_STATECHANGE( rmesa
, set
);
2017 rmesa
->hw
.set
.cmd
[SET_SE_CNTL
] |= R200_ZBIAS_ENABLE_LINE
;
2019 rmesa
->hw
.set
.cmd
[SET_SE_CNTL
] &= ~R200_ZBIAS_ENABLE_LINE
;
2024 case GL_POLYGON_OFFSET_FILL
:
2025 R200_STATECHANGE( rmesa
, set
);
2027 rmesa
->hw
.set
.cmd
[SET_SE_CNTL
] |= R200_ZBIAS_ENABLE_TRI
;
2029 rmesa
->hw
.set
.cmd
[SET_SE_CNTL
] &= ~R200_ZBIAS_ENABLE_TRI
;
2033 case GL_POLYGON_SMOOTH
:
2034 R200_STATECHANGE( rmesa
, ctx
);
2036 rmesa
->hw
.ctx
.cmd
[CTX_PP_CNTL
] |= R200_ANTI_ALIAS_POLY
;
2038 rmesa
->hw
.ctx
.cmd
[CTX_PP_CNTL
] &= ~R200_ANTI_ALIAS_POLY
;
2042 case GL_POLYGON_STIPPLE
:
2043 R200_STATECHANGE(rmesa
, set
);
2045 rmesa
->hw
.set
.cmd
[SET_RE_CNTL
] |= R200_STIPPLE_ENABLE
;
2047 rmesa
->hw
.set
.cmd
[SET_RE_CNTL
] &= ~R200_STIPPLE_ENABLE
;
2051 case GL_RESCALE_NORMAL_EXT
: {
2052 GLboolean tmp
= ctx
->_NeedEyeCoords
? state
: !state
;
2053 R200_STATECHANGE( rmesa
, tcl
);
2055 rmesa
->hw
.tcl
.cmd
[TCL_LIGHT_MODEL_CTL_0
] |= R200_RESCALE_NORMALS
;
2057 rmesa
->hw
.tcl
.cmd
[TCL_LIGHT_MODEL_CTL_0
] &= ~R200_RESCALE_NORMALS
;
2062 case GL_SCISSOR_TEST
:
2063 R200_FIREVERTICES( rmesa
);
2064 rmesa
->state
.scissor
.enabled
= state
;
2065 r200UpdateScissor( ctx
);
2068 case GL_STENCIL_TEST
:
2069 if ( rmesa
->state
.stencil
.hwBuffer
) {
2070 R200_STATECHANGE( rmesa
, ctx
);
2072 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_CNTL
] |= R200_STENCIL_ENABLE
;
2074 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_CNTL
] &= ~R200_STENCIL_ENABLE
;
2077 FALLBACK( rmesa
, R200_FALLBACK_STENCIL
, state
);
2081 case GL_TEXTURE_GEN_Q
:
2082 case GL_TEXTURE_GEN_R
:
2083 case GL_TEXTURE_GEN_S
:
2084 case GL_TEXTURE_GEN_T
:
2085 /* Picked up in r200UpdateTextureState.
2087 rmesa
->recheck_texgen
[ctx
->Texture
.CurrentUnit
] = GL_TRUE
;
2090 case GL_COLOR_SUM_EXT
:
2091 r200UpdateSpecular ( ctx
);
2094 case GL_VERTEX_PROGRAM_ARB
:
2095 TCL_FALLBACK(rmesa
->glCtx
, R200_TCL_FALLBACK_TCL_DISABLE
, state
);
2104 void r200LightingSpaceChange( GLcontext
*ctx
)
2106 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
2109 if (R200_DEBUG
& DEBUG_STATE
)
2110 fprintf(stderr
, "%s %d BEFORE %x\n", __FUNCTION__
, ctx
->_NeedEyeCoords
,
2111 rmesa
->hw
.tcl
.cmd
[TCL_LIGHT_MODEL_CTL_0
]);
2113 if (ctx
->_NeedEyeCoords
)
2114 tmp
= ctx
->Transform
.RescaleNormals
;
2116 tmp
= !ctx
->Transform
.RescaleNormals
;
2118 R200_STATECHANGE( rmesa
, tcl
);
2120 rmesa
->hw
.tcl
.cmd
[TCL_LIGHT_MODEL_CTL_0
] |= R200_RESCALE_NORMALS
;
2122 rmesa
->hw
.tcl
.cmd
[TCL_LIGHT_MODEL_CTL_0
] &= ~R200_RESCALE_NORMALS
;
2125 if (R200_DEBUG
& DEBUG_STATE
)
2126 fprintf(stderr
, "%s %d AFTER %x\n", __FUNCTION__
, ctx
->_NeedEyeCoords
,
2127 rmesa
->hw
.tcl
.cmd
[TCL_LIGHT_MODEL_CTL_0
]);
2130 /* =============================================================
2131 * Deferred state management - matrices, textures, other?
2137 static void upload_matrix( r200ContextPtr rmesa
, GLfloat
*src
, int idx
)
2139 float *dest
= ((float *)R200_DB_STATE( mat
[idx
] ))+MAT_ELT_0
;
2143 for (i
= 0 ; i
< 4 ; i
++) {
2147 *dest
++ = src
[i
+12];
2150 R200_DB_STATECHANGE( rmesa
, &rmesa
->hw
.mat
[idx
] );
2153 static void upload_matrix_t( r200ContextPtr rmesa
, const GLfloat
*src
, int idx
)
2155 float *dest
= ((float *)R200_DB_STATE( mat
[idx
] ))+MAT_ELT_0
;
2156 memcpy(dest
, src
, 16*sizeof(float));
2157 R200_DB_STATECHANGE( rmesa
, &rmesa
->hw
.mat
[idx
] );
2161 static void update_texturematrix( GLcontext
*ctx
)
2163 r200ContextPtr rmesa
= R200_CONTEXT( ctx
);
2164 GLuint tpc
= rmesa
->hw
.tcg
.cmd
[TCG_TEX_PROC_CTL_0
];
2165 GLuint compsel
= rmesa
->hw
.vtx
.cmd
[VTX_TCL_OUTPUT_COMPSEL
];
2168 if (R200_DEBUG
& DEBUG_STATE
)
2169 fprintf(stderr
, "%s before COMPSEL: %x\n", __FUNCTION__
,
2170 rmesa
->hw
.vtx
.cmd
[VTX_TCL_OUTPUT_COMPSEL
]);
2172 rmesa
->TexMatEnabled
= 0;
2173 rmesa
->TexMatCompSel
= 0;
2175 for (unit
= 0 ; unit
< ctx
->Const
.MaxTextureUnits
; unit
++) {
2176 if (!ctx
->Texture
.Unit
[unit
]._ReallyEnabled
)
2179 if (ctx
->TextureMatrixStack
[unit
].Top
->type
!= MATRIX_IDENTITY
) {
2180 rmesa
->TexMatEnabled
|= (R200_TEXGEN_TEXMAT_0_ENABLE
|
2181 R200_TEXMAT_0_ENABLE
) << unit
;
2183 rmesa
->TexMatCompSel
|= R200_OUTPUT_TEX_0
<< unit
;
2185 if (rmesa
->TexGenEnabled
& (R200_TEXMAT_0_ENABLE
<< unit
)) {
2186 /* Need to preconcatenate any active texgen
2187 * obj/eyeplane matrices:
2189 _math_matrix_mul_matrix( &rmesa
->tmpmat
,
2190 ctx
->TextureMatrixStack
[unit
].Top
,
2191 &rmesa
->TexGenMatrix
[unit
] );
2192 upload_matrix( rmesa
, rmesa
->tmpmat
.m
, R200_MTX_TEX0
+unit
);
2195 upload_matrix( rmesa
, ctx
->TextureMatrixStack
[unit
].Top
->m
,
2196 R200_MTX_TEX0
+unit
);
2199 else if (rmesa
->TexGenEnabled
& (R200_TEXMAT_0_ENABLE
<< unit
)) {
2200 upload_matrix( rmesa
, rmesa
->TexGenMatrix
[unit
].m
,
2201 R200_MTX_TEX0
+unit
);
2205 tpc
= (rmesa
->TexMatEnabled
| rmesa
->TexGenEnabled
);
2206 if (tpc
!= rmesa
->hw
.tcg
.cmd
[TCG_TEX_PROC_CTL_0
]) {
2207 R200_STATECHANGE(rmesa
, tcg
);
2208 rmesa
->hw
.tcg
.cmd
[TCG_TEX_PROC_CTL_0
] = tpc
;
2211 compsel
&= ~R200_OUTPUT_TEX_MASK
;
2212 compsel
|= rmesa
->TexMatCompSel
| rmesa
->TexGenCompSel
;
2213 if (compsel
!= rmesa
->hw
.vtx
.cmd
[VTX_TCL_OUTPUT_COMPSEL
]) {
2214 R200_STATECHANGE(rmesa
, vtx
);
2215 rmesa
->hw
.vtx
.cmd
[VTX_TCL_OUTPUT_COMPSEL
] = compsel
;
2221 void r200ValidateState( GLcontext
*ctx
)
2223 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
2224 GLuint new_state
= rmesa
->NewGLState
;
2226 if (new_state
& _NEW_TEXTURE
) {
2227 r200UpdateTextureState( ctx
);
2228 new_state
|= rmesa
->NewGLState
; /* may add TEXTURE_MATRIX */
2231 /* Need an event driven matrix update?
2233 if (new_state
& (_NEW_MODELVIEW
|_NEW_PROJECTION
))
2234 upload_matrix( rmesa
, ctx
->_ModelProjectMatrix
.m
, R200_MTX_MVP
);
2236 /* Need these for lighting (shouldn't upload otherwise)
2238 if (new_state
& (_NEW_MODELVIEW
)) {
2239 upload_matrix( rmesa
, ctx
->ModelviewMatrixStack
.Top
->m
, R200_MTX_MV
);
2240 upload_matrix_t( rmesa
, ctx
->ModelviewMatrixStack
.Top
->inv
, R200_MTX_IMV
);
2243 /* Does this need to be triggered on eg. modelview for
2244 * texgen-derived objplane/eyeplane matrices?
2246 if (new_state
& (_NEW_TEXTURE
|_NEW_TEXTURE_MATRIX
)) {
2247 update_texturematrix( ctx
);
2250 if (new_state
& (_NEW_LIGHT
|_NEW_MODELVIEW
|_MESA_NEW_NEED_EYE_COORDS
)) {
2251 update_light( ctx
);
2254 /* emit all active clip planes if projection matrix changes.
2256 if (new_state
& (_NEW_PROJECTION
)) {
2257 if (ctx
->Transform
.ClipPlanesEnabled
)
2258 r200UpdateClipPlanes( ctx
);
2262 rmesa
->NewGLState
= 0;
2266 static void r200InvalidateState( GLcontext
*ctx
, GLuint new_state
)
2268 _swrast_InvalidateState( ctx
, new_state
);
2269 _swsetup_InvalidateState( ctx
, new_state
);
2270 _ac_InvalidateState( ctx
, new_state
);
2271 _tnl_InvalidateState( ctx
, new_state
);
2272 _ae_invalidate_state( ctx
, new_state
);
2273 R200_CONTEXT(ctx
)->NewGLState
|= new_state
;
2274 r200VtxfmtInvalidate( ctx
);
2277 /* A hack. The r200 can actually cope just fine with materials
2278 * between begin/ends, so fix this. But how ?
2280 static GLboolean
check_material( GLcontext
*ctx
)
2282 TNLcontext
*tnl
= TNL_CONTEXT(ctx
);
2285 for (i
= _TNL_ATTRIB_MAT_FRONT_AMBIENT
;
2286 i
< _TNL_ATTRIB_MAT_BACK_INDEXES
;
2288 if (tnl
->vb
.AttribPtr
[i
] &&
2289 tnl
->vb
.AttribPtr
[i
]->stride
)
2295 static void r200WrapRunPipeline( GLcontext
*ctx
)
2297 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
2298 GLboolean has_material
;
2301 fprintf(stderr
, "%s, newstate: %x\n", __FUNCTION__
, rmesa
->NewGLState
);
2305 if (rmesa
->NewGLState
)
2306 r200ValidateState( ctx
);
2308 has_material
= (ctx
->Light
.Enabled
&& check_material( ctx
));
2311 TCL_FALLBACK( ctx
, R200_TCL_FALLBACK_MATERIAL
, GL_TRUE
);
2314 /* Run the pipeline.
2316 _tnl_run_pipeline( ctx
);
2319 TCL_FALLBACK( ctx
, R200_TCL_FALLBACK_MATERIAL
, GL_FALSE
);
2324 /* Initialize the driver's state functions.
2326 void r200InitStateFuncs( struct dd_function_table
*functions
)
2328 functions
->UpdateState
= r200InvalidateState
;
2329 functions
->LightingSpaceChange
= r200LightingSpaceChange
;
2331 functions
->DrawBuffer
= r200DrawBuffer
;
2332 functions
->ReadBuffer
= r200ReadBuffer
;
2334 functions
->AlphaFunc
= r200AlphaFunc
;
2335 functions
->BlendColor
= r200BlendColor
;
2336 functions
->BlendEquationSeparate
= r200BlendEquationSeparate
;
2337 functions
->BlendFuncSeparate
= r200BlendFuncSeparate
;
2338 functions
->ClearColor
= r200ClearColor
;
2339 functions
->ClearDepth
= r200ClearDepth
;
2340 functions
->ClearIndex
= NULL
;
2341 functions
->ClearStencil
= r200ClearStencil
;
2342 functions
->ClipPlane
= r200ClipPlane
;
2343 functions
->ColorMask
= r200ColorMask
;
2344 functions
->CullFace
= r200CullFace
;
2345 functions
->DepthFunc
= r200DepthFunc
;
2346 functions
->DepthMask
= r200DepthMask
;
2347 functions
->DepthRange
= r200DepthRange
;
2348 functions
->Enable
= r200Enable
;
2349 functions
->Fogfv
= r200Fogfv
;
2350 functions
->FrontFace
= r200FrontFace
;
2351 functions
->Hint
= NULL
;
2352 functions
->IndexMask
= NULL
;
2353 functions
->LightModelfv
= r200LightModelfv
;
2354 functions
->Lightfv
= r200Lightfv
;
2355 functions
->LineStipple
= r200LineStipple
;
2356 functions
->LineWidth
= r200LineWidth
;
2357 functions
->LogicOpcode
= r200LogicOpCode
;
2358 functions
->PolygonMode
= r200PolygonMode
;
2359 functions
->PolygonOffset
= r200PolygonOffset
;
2360 functions
->PolygonStipple
= r200PolygonStipple
;
2361 functions
->PointSize
= r200PointSize
;
2362 functions
->RenderMode
= r200RenderMode
;
2363 functions
->Scissor
= r200Scissor
;
2364 functions
->ShadeModel
= r200ShadeModel
;
2365 functions
->StencilFunc
= r200StencilFunc
;
2366 functions
->StencilMask
= r200StencilMask
;
2367 functions
->StencilOp
= r200StencilOp
;
2368 functions
->Viewport
= r200Viewport
;
2370 /* Swrast hooks for imaging extensions:
2372 functions
->CopyColorTable
= _swrast_CopyColorTable
;
2373 functions
->CopyColorSubTable
= _swrast_CopyColorSubTable
;
2374 functions
->CopyConvolutionFilter1D
= _swrast_CopyConvolutionFilter1D
;
2375 functions
->CopyConvolutionFilter2D
= _swrast_CopyConvolutionFilter2D
;
2379 void r200InitTnlFuncs( GLcontext
*ctx
)
2381 TNL_CONTEXT(ctx
)->Driver
.NotifyMaterialChange
= r200UpdateMaterial
;
2382 TNL_CONTEXT(ctx
)->Driver
.RunPipeline
= r200WrapRunPipeline
;