1 /**************************************************************************
3 Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved.
5 The Weather Channel (TM) funded Tungsten Graphics to develop the
6 initial release of the Radeon 8500 driver under the XFree86 license.
7 This notice must be preserved.
9 Permission is hereby granted, free of charge, to any person obtaining
10 a copy of this software and associated documentation files (the
11 "Software"), to deal in the Software without restriction, including
12 without limitation the rights to use, copy, modify, merge, publish,
13 distribute, sublicense, and/or sell copies of the Software, and to
14 permit persons to whom the Software is furnished to do so, subject to
15 the following conditions:
17 The above copyright notice and this permission notice (including the
18 next paragraph) shall be included in all copies or substantial
19 portions of the Software.
21 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
22 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
23 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
24 IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
25 LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
26 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
27 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
29 **************************************************************************/
33 * Keith Whitwell <keith@tungstengraphics.com>
38 #include "api_arrayelt.h"
42 #include "framebuffer.h"
44 #include "swrast/swrast.h"
47 #include "tnl/t_pipeline.h"
48 #include "swrast_setup/swrast_setup.h"
50 #include "r200_context.h"
51 #include "r200_ioctl.h"
52 #include "r200_state.h"
55 #include "r200_swtcl.h"
56 #include "r200_vertprog.h"
58 #include "drirenderbuffer.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
.ColorLogicOpEnabled
) {
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
.ColorLogicOpEnabled
) {
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 out_0
= rmesa
->hw
.vtx
.cmd
[VTX_TCL_OUTPUT_VTXFMT_0
];
489 GLuint fog
= rmesa
->hw
.ctx
.cmd
[CTX_PP_FOG_COLOR
];
491 fog
&= ~R200_FOG_USE_MASK
;
492 if ( ctx
->Fog
.FogCoordinateSource
== GL_FOG_COORD
|| ctx
->VertexProgram
.Enabled
) {
493 fog
|= R200_FOG_USE_VTX_FOG
;
494 out_0
|= R200_VTX_DISCRETE_FOG
;
497 fog
|= R200_FOG_USE_SPEC_ALPHA
;
498 out_0
&= ~R200_VTX_DISCRETE_FOG
;
501 if ( fog
!= rmesa
->hw
.ctx
.cmd
[CTX_PP_FOG_COLOR
] ) {
502 R200_STATECHANGE( rmesa
, ctx
);
503 rmesa
->hw
.ctx
.cmd
[CTX_PP_FOG_COLOR
] = fog
;
506 if (out_0
!= rmesa
->hw
.vtx
.cmd
[VTX_TCL_OUTPUT_VTXFMT_0
]) {
507 R200_STATECHANGE( rmesa
, vtx
);
508 rmesa
->hw
.vtx
.cmd
[VTX_TCL_OUTPUT_VTXFMT_0
] = out_0
;
517 if (c
.i
!= rmesa
->hw
.fog
.cmd
[FOG_C
] || d
.i
!= rmesa
->hw
.fog
.cmd
[FOG_D
]) {
518 R200_STATECHANGE( rmesa
, fog
);
519 rmesa
->hw
.fog
.cmd
[FOG_C
] = c
.i
;
520 rmesa
->hw
.fog
.cmd
[FOG_D
] = d
.i
;
525 /* =============================================================
530 static GLboolean
intersect_rect( drm_clip_rect_t
*out
,
535 if ( b
->x1
> out
->x1
) out
->x1
= b
->x1
;
536 if ( b
->y1
> out
->y1
) out
->y1
= b
->y1
;
537 if ( b
->x2
< out
->x2
) out
->x2
= b
->x2
;
538 if ( b
->y2
< out
->y2
) out
->y2
= b
->y2
;
539 if ( out
->x1
>= out
->x2
) return GL_FALSE
;
540 if ( out
->y1
>= out
->y2
) return GL_FALSE
;
545 void r200RecalcScissorRects( r200ContextPtr rmesa
)
547 drm_clip_rect_t
*out
;
550 /* Grow cliprect store?
552 if (rmesa
->state
.scissor
.numAllocedClipRects
< rmesa
->numClipRects
) {
553 while (rmesa
->state
.scissor
.numAllocedClipRects
< rmesa
->numClipRects
) {
554 rmesa
->state
.scissor
.numAllocedClipRects
+= 1; /* zero case */
555 rmesa
->state
.scissor
.numAllocedClipRects
*= 2;
558 if (rmesa
->state
.scissor
.pClipRects
)
559 FREE(rmesa
->state
.scissor
.pClipRects
);
561 rmesa
->state
.scissor
.pClipRects
=
562 MALLOC( rmesa
->state
.scissor
.numAllocedClipRects
*
563 sizeof(drm_clip_rect_t
) );
565 if ( rmesa
->state
.scissor
.pClipRects
== NULL
) {
566 rmesa
->state
.scissor
.numAllocedClipRects
= 0;
571 out
= rmesa
->state
.scissor
.pClipRects
;
572 rmesa
->state
.scissor
.numClipRects
= 0;
574 for ( i
= 0 ; i
< rmesa
->numClipRects
; i
++ ) {
575 if ( intersect_rect( out
,
576 &rmesa
->pClipRects
[i
],
577 &rmesa
->state
.scissor
.rect
) ) {
578 rmesa
->state
.scissor
.numClipRects
++;
585 static void r200UpdateScissor( GLcontext
*ctx
)
587 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
589 if ( rmesa
->dri
.drawable
) {
590 __DRIdrawablePrivate
*dPriv
= rmesa
->dri
.drawable
;
592 int x
= ctx
->Scissor
.X
;
593 int y
= dPriv
->h
- ctx
->Scissor
.Y
- ctx
->Scissor
.Height
;
594 int w
= ctx
->Scissor
.X
+ ctx
->Scissor
.Width
- 1;
595 int h
= dPriv
->h
- ctx
->Scissor
.Y
- 1;
597 rmesa
->state
.scissor
.rect
.x1
= x
+ dPriv
->x
;
598 rmesa
->state
.scissor
.rect
.y1
= y
+ dPriv
->y
;
599 rmesa
->state
.scissor
.rect
.x2
= w
+ dPriv
->x
+ 1;
600 rmesa
->state
.scissor
.rect
.y2
= h
+ dPriv
->y
+ 1;
602 r200RecalcScissorRects( rmesa
);
607 static void r200Scissor( GLcontext
*ctx
,
608 GLint x
, GLint y
, GLsizei w
, GLsizei h
)
610 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
612 if ( ctx
->Scissor
.Enabled
) {
613 R200_FIREVERTICES( rmesa
); /* don't pipeline cliprect changes */
614 r200UpdateScissor( ctx
);
620 /* =============================================================
624 static void r200CullFace( GLcontext
*ctx
, GLenum unused
)
626 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
627 GLuint s
= rmesa
->hw
.set
.cmd
[SET_SE_CNTL
];
628 GLuint t
= rmesa
->hw
.tcl
.cmd
[TCL_UCP_VERT_BLEND_CTL
];
630 s
|= R200_FFACE_SOLID
| R200_BFACE_SOLID
;
631 t
&= ~(R200_CULL_FRONT
| R200_CULL_BACK
);
633 if ( ctx
->Polygon
.CullFlag
) {
634 switch ( ctx
->Polygon
.CullFaceMode
) {
636 s
&= ~R200_FFACE_SOLID
;
637 t
|= R200_CULL_FRONT
;
640 s
&= ~R200_BFACE_SOLID
;
643 case GL_FRONT_AND_BACK
:
644 s
&= ~(R200_FFACE_SOLID
| R200_BFACE_SOLID
);
645 t
|= (R200_CULL_FRONT
| R200_CULL_BACK
);
650 if ( rmesa
->hw
.set
.cmd
[SET_SE_CNTL
] != s
) {
651 R200_STATECHANGE(rmesa
, set
);
652 rmesa
->hw
.set
.cmd
[SET_SE_CNTL
] = s
;
655 if ( rmesa
->hw
.tcl
.cmd
[TCL_UCP_VERT_BLEND_CTL
] != t
) {
656 R200_STATECHANGE(rmesa
, tcl
);
657 rmesa
->hw
.tcl
.cmd
[TCL_UCP_VERT_BLEND_CTL
] = t
;
661 static void r200FrontFace( GLcontext
*ctx
, GLenum mode
)
663 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
665 R200_STATECHANGE( rmesa
, set
);
666 rmesa
->hw
.set
.cmd
[SET_SE_CNTL
] &= ~R200_FFACE_CULL_DIR_MASK
;
668 R200_STATECHANGE( rmesa
, tcl
);
669 rmesa
->hw
.tcl
.cmd
[TCL_UCP_VERT_BLEND_CTL
] &= ~R200_CULL_FRONT_IS_CCW
;
673 rmesa
->hw
.set
.cmd
[SET_SE_CNTL
] |= R200_FFACE_CULL_CW
;
676 rmesa
->hw
.set
.cmd
[SET_SE_CNTL
] |= R200_FFACE_CULL_CCW
;
677 rmesa
->hw
.tcl
.cmd
[TCL_UCP_VERT_BLEND_CTL
] |= R200_CULL_FRONT_IS_CCW
;
682 /* =============================================================
685 static void r200PointSize( GLcontext
*ctx
, GLfloat size
)
687 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
688 GLfloat
*fcmd
= (GLfloat
*)rmesa
->hw
.ptp
.cmd
;
690 R200_STATECHANGE( rmesa
, cst
);
691 R200_STATECHANGE( rmesa
, ptp
);
692 rmesa
->hw
.cst
.cmd
[CST_RE_POINTSIZE
] &= ~0xffff;
693 rmesa
->hw
.cst
.cmd
[CST_RE_POINTSIZE
] |= ((GLuint
)(ctx
->Point
.Size
* 16.0));
694 /* this is the size param of the point size calculation (point size reg value
695 is not used when calculation is active). */
696 fcmd
[PTP_VPORT_SCALE_PTSIZE
] = ctx
->Point
.Size
;
699 static void r200PointParameter( GLcontext
*ctx
, GLenum pname
, const GLfloat
*params
)
701 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
702 GLfloat
*fcmd
= (GLfloat
*)rmesa
->hw
.ptp
.cmd
;
705 case GL_POINT_SIZE_MIN
:
706 /* Can clamp both in tcl and setup - just set both (as does fglrx) */
707 R200_STATECHANGE( rmesa
, lin
);
708 R200_STATECHANGE( rmesa
, ptp
);
709 rmesa
->hw
.lin
.cmd
[LIN_SE_LINE_WIDTH
] &= 0xffff;
710 rmesa
->hw
.lin
.cmd
[LIN_SE_LINE_WIDTH
] |= (GLuint
)(ctx
->Point
.MinSize
* 16.0) << 16;
711 fcmd
[PTP_CLAMP_MIN
] = ctx
->Point
.MinSize
;
713 case GL_POINT_SIZE_MAX
:
714 R200_STATECHANGE( rmesa
, cst
);
715 R200_STATECHANGE( rmesa
, ptp
);
716 rmesa
->hw
.cst
.cmd
[CST_RE_POINTSIZE
] &= 0xffff;
717 rmesa
->hw
.cst
.cmd
[CST_RE_POINTSIZE
] |= (GLuint
)(ctx
->Point
.MaxSize
* 16.0) << 16;
718 fcmd
[PTP_CLAMP_MAX
] = ctx
->Point
.MaxSize
;
720 case GL_POINT_DISTANCE_ATTENUATION
:
721 R200_STATECHANGE( rmesa
, vtx
);
722 R200_STATECHANGE( rmesa
, spr
);
723 R200_STATECHANGE( rmesa
, ptp
);
724 GLfloat
*fcmd
= (GLfloat
*)rmesa
->hw
.ptp
.cmd
;
725 rmesa
->hw
.spr
.cmd
[SPR_POINT_SPRITE_CNTL
] &=
726 ~(R200_PS_MULT_MASK
| R200_PS_LIN_ATT_ZERO
| R200_PS_SE_SEL_STATE
);
727 /* can't rely on ctx->Point._Attenuated here and test for NEW_POINT in
728 r200ValidateState looks like overkill */
729 if (ctx
->Point
.Params
[0] != 1.0 ||
730 ctx
->Point
.Params
[1] != 0.0 ||
731 ctx
->Point
.Params
[2] != 0.0 ||
732 (ctx
->VertexProgram
.Enabled
&& ctx
->VertexProgram
.PointSizeEnabled
)) {
733 /* all we care for vp would be the ps_se_sel_state setting */
734 fcmd
[PTP_ATT_CONST_QUAD
] = ctx
->Point
.Params
[2];
735 fcmd
[PTP_ATT_CONST_LIN
] = ctx
->Point
.Params
[1];
736 fcmd
[PTP_ATT_CONST_CON
] = ctx
->Point
.Params
[0];
737 rmesa
->hw
.spr
.cmd
[SPR_POINT_SPRITE_CNTL
] |= R200_PS_MULT_ATTENCONST
;
738 if (ctx
->Point
.Params
[1] == 0.0)
739 rmesa
->hw
.spr
.cmd
[SPR_POINT_SPRITE_CNTL
] |= R200_PS_LIN_ATT_ZERO
;
740 /* FIXME: setting this here doesn't look quite ok - we only want to do
741 that if we're actually drawing points probably */
742 rmesa
->hw
.vtx
.cmd
[VTX_TCL_OUTPUT_COMPSEL
] |= R200_OUTPUT_PT_SIZE
;
743 rmesa
->hw
.vtx
.cmd
[VTX_TCL_OUTPUT_VTXFMT_0
] |= R200_VTX_POINT_SIZE
;
746 rmesa
->hw
.spr
.cmd
[SPR_POINT_SPRITE_CNTL
] |=
747 R200_PS_SE_SEL_STATE
| R200_PS_MULT_CONST
;
748 rmesa
->hw
.vtx
.cmd
[VTX_TCL_OUTPUT_COMPSEL
] &= ~R200_OUTPUT_PT_SIZE
;
749 rmesa
->hw
.vtx
.cmd
[VTX_TCL_OUTPUT_VTXFMT_0
] &= ~R200_VTX_POINT_SIZE
;
752 case GL_POINT_FADE_THRESHOLD_SIZE
:
753 /* don't support multisampling, so doesn't matter. */
755 /* can't do these but don't need them.
756 case GL_POINT_SPRITE_R_MODE_NV:
757 case GL_POINT_SPRITE_COORD_ORIGIN: */
759 fprintf(stderr
, "bad pname parameter in r200PointParameter\n");
764 /* =============================================================
767 static void r200LineWidth( GLcontext
*ctx
, GLfloat widthf
)
769 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
771 R200_STATECHANGE( rmesa
, lin
);
772 R200_STATECHANGE( rmesa
, set
);
774 /* Line width is stored in U6.4 format.
775 * Same min/max limits for AA, non-AA lines.
777 rmesa
->hw
.lin
.cmd
[LIN_SE_LINE_WIDTH
] &= ~0xffff;
778 rmesa
->hw
.lin
.cmd
[LIN_SE_LINE_WIDTH
] |= (GLuint
)
779 (CLAMP(widthf
, ctx
->Const
.MinLineWidth
, ctx
->Const
.MaxLineWidth
) * 16.0);
781 if ( widthf
> 1.0 ) {
782 rmesa
->hw
.set
.cmd
[SET_SE_CNTL
] |= R200_WIDELINE_ENABLE
;
784 rmesa
->hw
.set
.cmd
[SET_SE_CNTL
] &= ~R200_WIDELINE_ENABLE
;
788 static void r200LineStipple( GLcontext
*ctx
, GLint factor
, GLushort pattern
)
790 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
792 R200_STATECHANGE( rmesa
, lin
);
793 rmesa
->hw
.lin
.cmd
[LIN_RE_LINE_PATTERN
] =
794 ((((GLuint
)factor
& 0xff) << 16) | ((GLuint
)pattern
));
798 /* =============================================================
801 static void r200ColorMask( GLcontext
*ctx
,
802 GLboolean r
, GLboolean g
,
803 GLboolean b
, GLboolean a
)
805 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
806 GLuint mask
= r200PackColor( rmesa
->r200Screen
->cpp
,
807 ctx
->Color
.ColorMask
[RCOMP
],
808 ctx
->Color
.ColorMask
[GCOMP
],
809 ctx
->Color
.ColorMask
[BCOMP
],
810 ctx
->Color
.ColorMask
[ACOMP
] );
812 GLuint flag
= rmesa
->hw
.ctx
.cmd
[CTX_RB3D_CNTL
] & ~R200_PLANE_MASK_ENABLE
;
814 if (!(r
&& g
&& b
&& a
))
815 flag
|= R200_PLANE_MASK_ENABLE
;
817 if ( rmesa
->hw
.ctx
.cmd
[CTX_RB3D_CNTL
] != flag
) {
818 R200_STATECHANGE( rmesa
, ctx
);
819 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_CNTL
] = flag
;
822 if ( rmesa
->hw
.msk
.cmd
[MSK_RB3D_PLANEMASK
] != mask
) {
823 R200_STATECHANGE( rmesa
, msk
);
824 rmesa
->hw
.msk
.cmd
[MSK_RB3D_PLANEMASK
] = mask
;
829 /* =============================================================
833 static void r200PolygonOffset( GLcontext
*ctx
,
834 GLfloat factor
, GLfloat units
)
836 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
837 float_ui32_type constant
= { units
* rmesa
->state
.depth
.scale
};
838 float_ui32_type factoru
= { factor
};
843 /* fprintf(stderr, "%s f:%f u:%f\n", __FUNCTION__, factor, constant); */
845 R200_STATECHANGE( rmesa
, zbs
);
846 rmesa
->hw
.zbs
.cmd
[ZBS_SE_ZBIAS_FACTOR
] = factoru
.ui32
;
847 rmesa
->hw
.zbs
.cmd
[ZBS_SE_ZBIAS_CONSTANT
] = constant
.ui32
;
850 static void r200PolygonStipple( GLcontext
*ctx
, const GLubyte
*mask
)
852 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
854 drm_radeon_stipple_t stipple
;
856 /* Must flip pattern upside down.
858 for ( i
= 0 ; i
< 32 ; i
++ ) {
859 rmesa
->state
.stipple
.mask
[31 - i
] = ((GLuint
*) mask
)[i
];
862 /* TODO: push this into cmd mechanism
864 R200_FIREVERTICES( rmesa
);
865 LOCK_HARDWARE( rmesa
);
867 /* FIXME: Use window x,y offsets into stipple RAM.
869 stipple
.mask
= rmesa
->state
.stipple
.mask
;
870 drmCommandWrite( rmesa
->dri
.fd
, DRM_RADEON_STIPPLE
,
871 &stipple
, sizeof(stipple
) );
872 UNLOCK_HARDWARE( rmesa
);
875 static void r200PolygonMode( GLcontext
*ctx
, GLenum face
, GLenum mode
)
877 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
878 GLboolean flag
= (ctx
->_TriangleCaps
& DD_TRI_UNFILLED
) != 0;
880 /* Can't generally do unfilled via tcl, but some good special
883 TCL_FALLBACK( ctx
, R200_TCL_FALLBACK_UNFILLED
, flag
);
884 if (rmesa
->TclFallback
) {
885 r200ChooseRenderState( ctx
);
886 r200ChooseVertexState( ctx
);
891 /* =============================================================
892 * Rendering attributes
894 * We really don't want to recalculate all this every time we bind a
895 * texture. These things shouldn't change all that often, so it makes
896 * sense to break them out of the core texture state update routines.
899 /* Examine lighting and texture state to determine if separate specular
902 static void r200UpdateSpecular( GLcontext
*ctx
)
904 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
905 uint32_t p
= rmesa
->hw
.ctx
.cmd
[CTX_PP_CNTL
];
907 R200_STATECHANGE( rmesa
, tcl
);
908 R200_STATECHANGE( rmesa
, vtx
);
910 rmesa
->hw
.vtx
.cmd
[VTX_TCL_OUTPUT_VTXFMT_0
] &= ~(3<<R200_VTX_COLOR_0_SHIFT
);
911 rmesa
->hw
.vtx
.cmd
[VTX_TCL_OUTPUT_VTXFMT_0
] &= ~(3<<R200_VTX_COLOR_1_SHIFT
);
912 rmesa
->hw
.vtx
.cmd
[VTX_TCL_OUTPUT_COMPSEL
] &= ~R200_OUTPUT_COLOR_0
;
913 rmesa
->hw
.vtx
.cmd
[VTX_TCL_OUTPUT_COMPSEL
] &= ~R200_OUTPUT_COLOR_1
;
914 rmesa
->hw
.tcl
.cmd
[TCL_LIGHT_MODEL_CTL_0
] &= ~R200_LIGHTING_ENABLE
;
916 p
&= ~R200_SPECULAR_ENABLE
;
918 rmesa
->hw
.tcl
.cmd
[TCL_LIGHT_MODEL_CTL_0
] |= R200_DIFFUSE_SPECULAR_COMBINE
;
921 if (ctx
->Light
.Enabled
&&
922 ctx
->Light
.Model
.ColorControl
== GL_SEPARATE_SPECULAR_COLOR
) {
923 rmesa
->hw
.vtx
.cmd
[VTX_TCL_OUTPUT_VTXFMT_0
] |=
924 ((R200_VTX_FP_RGBA
<< R200_VTX_COLOR_0_SHIFT
) |
925 (R200_VTX_FP_RGBA
<< R200_VTX_COLOR_1_SHIFT
));
926 rmesa
->hw
.vtx
.cmd
[VTX_TCL_OUTPUT_COMPSEL
] |= R200_OUTPUT_COLOR_0
;
927 rmesa
->hw
.vtx
.cmd
[VTX_TCL_OUTPUT_COMPSEL
] |= R200_OUTPUT_COLOR_1
;
928 rmesa
->hw
.tcl
.cmd
[TCL_LIGHT_MODEL_CTL_0
] |= R200_LIGHTING_ENABLE
;
929 p
|= R200_SPECULAR_ENABLE
;
930 rmesa
->hw
.tcl
.cmd
[TCL_LIGHT_MODEL_CTL_0
] &=
931 ~R200_DIFFUSE_SPECULAR_COMBINE
;
933 else if (ctx
->Light
.Enabled
) {
934 rmesa
->hw
.vtx
.cmd
[VTX_TCL_OUTPUT_VTXFMT_0
] |=
935 ((R200_VTX_FP_RGBA
<< R200_VTX_COLOR_0_SHIFT
));
936 rmesa
->hw
.vtx
.cmd
[VTX_TCL_OUTPUT_COMPSEL
] |= R200_OUTPUT_COLOR_0
;
937 rmesa
->hw
.tcl
.cmd
[TCL_LIGHT_MODEL_CTL_0
] |= R200_LIGHTING_ENABLE
;
938 } else if (ctx
->Fog
.ColorSumEnabled
) {
939 rmesa
->hw
.vtx
.cmd
[VTX_TCL_OUTPUT_VTXFMT_0
] |=
940 ((R200_VTX_FP_RGBA
<< R200_VTX_COLOR_0_SHIFT
) |
941 (R200_VTX_FP_RGBA
<< R200_VTX_COLOR_1_SHIFT
));
942 p
|= R200_SPECULAR_ENABLE
;
944 rmesa
->hw
.vtx
.cmd
[VTX_TCL_OUTPUT_VTXFMT_0
] |=
945 ((R200_VTX_FP_RGBA
<< R200_VTX_COLOR_0_SHIFT
));
948 if (ctx
->Fog
.Enabled
) {
949 rmesa
->hw
.vtx
.cmd
[VTX_TCL_OUTPUT_VTXFMT_0
] |=
950 ((R200_VTX_FP_RGBA
<< R200_VTX_COLOR_1_SHIFT
));
951 rmesa
->hw
.vtx
.cmd
[VTX_TCL_OUTPUT_COMPSEL
] |= R200_OUTPUT_COLOR_1
;
954 if ( rmesa
->hw
.ctx
.cmd
[CTX_PP_CNTL
] != p
) {
955 R200_STATECHANGE( rmesa
, ctx
);
956 rmesa
->hw
.ctx
.cmd
[CTX_PP_CNTL
] = p
;
959 /* Update vertex/render formats
961 if (rmesa
->TclFallback
) {
962 r200ChooseRenderState( ctx
);
963 r200ChooseVertexState( ctx
);
968 /* =============================================================
973 /* Update on colormaterial, material emmissive/ambient,
974 * lightmodel.globalambient
976 static void update_global_ambient( GLcontext
*ctx
)
978 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
979 float *fcmd
= (float *)R200_DB_STATE( glt
);
981 /* Need to do more if both emmissive & ambient are PREMULT:
982 * I believe this is not nessary when using source_material. This condition thus
983 * will never happen currently, and the function has no dependencies on materials now
985 if ((rmesa
->hw
.tcl
.cmd
[TCL_LIGHT_MODEL_CTL_1
] &
986 ((3 << R200_FRONT_EMISSIVE_SOURCE_SHIFT
) |
987 (3 << R200_FRONT_AMBIENT_SOURCE_SHIFT
))) == 0)
989 COPY_3V( &fcmd
[GLT_RED
],
990 ctx
->Light
.Material
.Attrib
[MAT_ATTRIB_FRONT_EMISSION
]);
991 ACC_SCALE_3V( &fcmd
[GLT_RED
],
992 ctx
->Light
.Model
.Ambient
,
993 ctx
->Light
.Material
.Attrib
[MAT_ATTRIB_FRONT_AMBIENT
]);
997 COPY_3V( &fcmd
[GLT_RED
], ctx
->Light
.Model
.Ambient
);
1000 R200_DB_STATECHANGE(rmesa
, &rmesa
->hw
.glt
);
1003 /* Update on change to
1005 * - light[p].enabled
1007 static void update_light_colors( GLcontext
*ctx
, GLuint p
)
1009 struct gl_light
*l
= &ctx
->Light
.Light
[p
];
1011 /* fprintf(stderr, "%s\n", __FUNCTION__); */
1014 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
1015 float *fcmd
= (float *)R200_DB_STATE( lit
[p
] );
1017 COPY_4V( &fcmd
[LIT_AMBIENT_RED
], l
->Ambient
);
1018 COPY_4V( &fcmd
[LIT_DIFFUSE_RED
], l
->Diffuse
);
1019 COPY_4V( &fcmd
[LIT_SPECULAR_RED
], l
->Specular
);
1021 R200_DB_STATECHANGE( rmesa
, &rmesa
->hw
.lit
[p
] );
1025 static void r200ColorMaterial( GLcontext
*ctx
, GLenum face
, GLenum mode
)
1027 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
1028 GLuint light_model_ctl1
= rmesa
->hw
.tcl
.cmd
[TCL_LIGHT_MODEL_CTL_1
];
1029 light_model_ctl1
&= ~((0xf << R200_FRONT_EMISSIVE_SOURCE_SHIFT
) |
1030 (0xf << R200_FRONT_AMBIENT_SOURCE_SHIFT
) |
1031 (0xf << R200_FRONT_DIFFUSE_SOURCE_SHIFT
) |
1032 (0xf << R200_FRONT_SPECULAR_SOURCE_SHIFT
) |
1033 (0xf << R200_BACK_EMISSIVE_SOURCE_SHIFT
) |
1034 (0xf << R200_BACK_AMBIENT_SOURCE_SHIFT
) |
1035 (0xf << R200_BACK_DIFFUSE_SOURCE_SHIFT
) |
1036 (0xf << R200_BACK_SPECULAR_SOURCE_SHIFT
));
1038 if (ctx
->Light
.ColorMaterialEnabled
) {
1039 GLuint mask
= ctx
->Light
.ColorMaterialBitmask
;
1041 if (mask
& MAT_BIT_FRONT_EMISSION
) {
1042 light_model_ctl1
|= (R200_LM1_SOURCE_VERTEX_COLOR_0
<<
1043 R200_FRONT_EMISSIVE_SOURCE_SHIFT
);
1046 light_model_ctl1
|= (R200_LM1_SOURCE_MATERIAL_0
<<
1047 R200_FRONT_EMISSIVE_SOURCE_SHIFT
);
1049 if (mask
& MAT_BIT_FRONT_AMBIENT
) {
1050 light_model_ctl1
|= (R200_LM1_SOURCE_VERTEX_COLOR_0
<<
1051 R200_FRONT_AMBIENT_SOURCE_SHIFT
);
1054 light_model_ctl1
|= (R200_LM1_SOURCE_MATERIAL_0
<<
1055 R200_FRONT_AMBIENT_SOURCE_SHIFT
);
1057 if (mask
& MAT_BIT_FRONT_DIFFUSE
) {
1058 light_model_ctl1
|= (R200_LM1_SOURCE_VERTEX_COLOR_0
<<
1059 R200_FRONT_DIFFUSE_SOURCE_SHIFT
);
1062 light_model_ctl1
|= (R200_LM1_SOURCE_MATERIAL_0
<<
1063 R200_FRONT_DIFFUSE_SOURCE_SHIFT
);
1065 if (mask
& MAT_BIT_FRONT_SPECULAR
) {
1066 light_model_ctl1
|= (R200_LM1_SOURCE_VERTEX_COLOR_0
<<
1067 R200_FRONT_SPECULAR_SOURCE_SHIFT
);
1070 light_model_ctl1
|= (R200_LM1_SOURCE_MATERIAL_0
<<
1071 R200_FRONT_SPECULAR_SOURCE_SHIFT
);
1074 if (mask
& MAT_BIT_BACK_EMISSION
) {
1075 light_model_ctl1
|= (R200_LM1_SOURCE_VERTEX_COLOR_0
<<
1076 R200_BACK_EMISSIVE_SOURCE_SHIFT
);
1079 else light_model_ctl1
|= (R200_LM1_SOURCE_MATERIAL_1
<<
1080 R200_BACK_EMISSIVE_SOURCE_SHIFT
);
1082 if (mask
& MAT_BIT_BACK_AMBIENT
) {
1083 light_model_ctl1
|= (R200_LM1_SOURCE_VERTEX_COLOR_0
<<
1084 R200_BACK_AMBIENT_SOURCE_SHIFT
);
1086 else light_model_ctl1
|= (R200_LM1_SOURCE_MATERIAL_1
<<
1087 R200_BACK_AMBIENT_SOURCE_SHIFT
);
1089 if (mask
& MAT_BIT_BACK_DIFFUSE
) {
1090 light_model_ctl1
|= (R200_LM1_SOURCE_VERTEX_COLOR_0
<<
1091 R200_BACK_DIFFUSE_SOURCE_SHIFT
);
1093 else light_model_ctl1
|= (R200_LM1_SOURCE_MATERIAL_1
<<
1094 R200_BACK_DIFFUSE_SOURCE_SHIFT
);
1096 if (mask
& MAT_BIT_BACK_SPECULAR
) {
1097 light_model_ctl1
|= (R200_LM1_SOURCE_VERTEX_COLOR_0
<<
1098 R200_BACK_SPECULAR_SOURCE_SHIFT
);
1101 light_model_ctl1
|= (R200_LM1_SOURCE_MATERIAL_1
<<
1102 R200_BACK_SPECULAR_SOURCE_SHIFT
);
1106 /* Default to SOURCE_MATERIAL:
1109 (R200_LM1_SOURCE_MATERIAL_0
<< R200_FRONT_EMISSIVE_SOURCE_SHIFT
) |
1110 (R200_LM1_SOURCE_MATERIAL_0
<< R200_FRONT_AMBIENT_SOURCE_SHIFT
) |
1111 (R200_LM1_SOURCE_MATERIAL_0
<< R200_FRONT_DIFFUSE_SOURCE_SHIFT
) |
1112 (R200_LM1_SOURCE_MATERIAL_0
<< R200_FRONT_SPECULAR_SOURCE_SHIFT
) |
1113 (R200_LM1_SOURCE_MATERIAL_1
<< R200_BACK_EMISSIVE_SOURCE_SHIFT
) |
1114 (R200_LM1_SOURCE_MATERIAL_1
<< R200_BACK_AMBIENT_SOURCE_SHIFT
) |
1115 (R200_LM1_SOURCE_MATERIAL_1
<< R200_BACK_DIFFUSE_SOURCE_SHIFT
) |
1116 (R200_LM1_SOURCE_MATERIAL_1
<< R200_BACK_SPECULAR_SOURCE_SHIFT
);
1119 if (light_model_ctl1
!= rmesa
->hw
.tcl
.cmd
[TCL_LIGHT_MODEL_CTL_1
]) {
1120 R200_STATECHANGE( rmesa
, tcl
);
1121 rmesa
->hw
.tcl
.cmd
[TCL_LIGHT_MODEL_CTL_1
] = light_model_ctl1
;
1127 void r200UpdateMaterial( GLcontext
*ctx
)
1129 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
1130 GLfloat (*mat
)[4] = ctx
->Light
.Material
.Attrib
;
1131 GLfloat
*fcmd
= (GLfloat
*)R200_DB_STATE( mtl
[0] );
1132 GLfloat
*fcmd2
= (GLfloat
*)R200_DB_STATE( mtl
[1] );
1135 /* Might be possible and faster to update everything unconditionally? */
1136 if (ctx
->Light
.ColorMaterialEnabled
)
1137 mask
&= ~ctx
->Light
.ColorMaterialBitmask
;
1139 if (R200_DEBUG
& DEBUG_STATE
)
1140 fprintf(stderr
, "%s\n", __FUNCTION__
);
1142 if (mask
& MAT_BIT_FRONT_EMISSION
) {
1143 fcmd
[MTL_EMMISSIVE_RED
] = mat
[MAT_ATTRIB_FRONT_EMISSION
][0];
1144 fcmd
[MTL_EMMISSIVE_GREEN
] = mat
[MAT_ATTRIB_FRONT_EMISSION
][1];
1145 fcmd
[MTL_EMMISSIVE_BLUE
] = mat
[MAT_ATTRIB_FRONT_EMISSION
][2];
1146 fcmd
[MTL_EMMISSIVE_ALPHA
] = mat
[MAT_ATTRIB_FRONT_EMISSION
][3];
1148 if (mask
& MAT_BIT_FRONT_AMBIENT
) {
1149 fcmd
[MTL_AMBIENT_RED
] = mat
[MAT_ATTRIB_FRONT_AMBIENT
][0];
1150 fcmd
[MTL_AMBIENT_GREEN
] = mat
[MAT_ATTRIB_FRONT_AMBIENT
][1];
1151 fcmd
[MTL_AMBIENT_BLUE
] = mat
[MAT_ATTRIB_FRONT_AMBIENT
][2];
1152 fcmd
[MTL_AMBIENT_ALPHA
] = mat
[MAT_ATTRIB_FRONT_AMBIENT
][3];
1154 if (mask
& MAT_BIT_FRONT_DIFFUSE
) {
1155 fcmd
[MTL_DIFFUSE_RED
] = mat
[MAT_ATTRIB_FRONT_DIFFUSE
][0];
1156 fcmd
[MTL_DIFFUSE_GREEN
] = mat
[MAT_ATTRIB_FRONT_DIFFUSE
][1];
1157 fcmd
[MTL_DIFFUSE_BLUE
] = mat
[MAT_ATTRIB_FRONT_DIFFUSE
][2];
1158 fcmd
[MTL_DIFFUSE_ALPHA
] = mat
[MAT_ATTRIB_FRONT_DIFFUSE
][3];
1160 if (mask
& MAT_BIT_FRONT_SPECULAR
) {
1161 fcmd
[MTL_SPECULAR_RED
] = mat
[MAT_ATTRIB_FRONT_SPECULAR
][0];
1162 fcmd
[MTL_SPECULAR_GREEN
] = mat
[MAT_ATTRIB_FRONT_SPECULAR
][1];
1163 fcmd
[MTL_SPECULAR_BLUE
] = mat
[MAT_ATTRIB_FRONT_SPECULAR
][2];
1164 fcmd
[MTL_SPECULAR_ALPHA
] = mat
[MAT_ATTRIB_FRONT_SPECULAR
][3];
1166 if (mask
& MAT_BIT_FRONT_SHININESS
) {
1167 fcmd
[MTL_SHININESS
] = mat
[MAT_ATTRIB_FRONT_SHININESS
][0];
1170 if (mask
& MAT_BIT_BACK_EMISSION
) {
1171 fcmd2
[MTL_EMMISSIVE_RED
] = mat
[MAT_ATTRIB_BACK_EMISSION
][0];
1172 fcmd2
[MTL_EMMISSIVE_GREEN
] = mat
[MAT_ATTRIB_BACK_EMISSION
][1];
1173 fcmd2
[MTL_EMMISSIVE_BLUE
] = mat
[MAT_ATTRIB_BACK_EMISSION
][2];
1174 fcmd2
[MTL_EMMISSIVE_ALPHA
] = mat
[MAT_ATTRIB_BACK_EMISSION
][3];
1176 if (mask
& MAT_BIT_BACK_AMBIENT
) {
1177 fcmd2
[MTL_AMBIENT_RED
] = mat
[MAT_ATTRIB_BACK_AMBIENT
][0];
1178 fcmd2
[MTL_AMBIENT_GREEN
] = mat
[MAT_ATTRIB_BACK_AMBIENT
][1];
1179 fcmd2
[MTL_AMBIENT_BLUE
] = mat
[MAT_ATTRIB_BACK_AMBIENT
][2];
1180 fcmd2
[MTL_AMBIENT_ALPHA
] = mat
[MAT_ATTRIB_BACK_AMBIENT
][3];
1182 if (mask
& MAT_BIT_BACK_DIFFUSE
) {
1183 fcmd2
[MTL_DIFFUSE_RED
] = mat
[MAT_ATTRIB_BACK_DIFFUSE
][0];
1184 fcmd2
[MTL_DIFFUSE_GREEN
] = mat
[MAT_ATTRIB_BACK_DIFFUSE
][1];
1185 fcmd2
[MTL_DIFFUSE_BLUE
] = mat
[MAT_ATTRIB_BACK_DIFFUSE
][2];
1186 fcmd2
[MTL_DIFFUSE_ALPHA
] = mat
[MAT_ATTRIB_BACK_DIFFUSE
][3];
1188 if (mask
& MAT_BIT_BACK_SPECULAR
) {
1189 fcmd2
[MTL_SPECULAR_RED
] = mat
[MAT_ATTRIB_BACK_SPECULAR
][0];
1190 fcmd2
[MTL_SPECULAR_GREEN
] = mat
[MAT_ATTRIB_BACK_SPECULAR
][1];
1191 fcmd2
[MTL_SPECULAR_BLUE
] = mat
[MAT_ATTRIB_BACK_SPECULAR
][2];
1192 fcmd2
[MTL_SPECULAR_ALPHA
] = mat
[MAT_ATTRIB_BACK_SPECULAR
][3];
1194 if (mask
& MAT_BIT_BACK_SHININESS
) {
1195 fcmd2
[MTL_SHININESS
] = mat
[MAT_ATTRIB_BACK_SHININESS
][0];
1198 R200_DB_STATECHANGE( rmesa
, &rmesa
->hw
.mtl
[0] );
1199 R200_DB_STATECHANGE( rmesa
, &rmesa
->hw
.mtl
[1] );
1201 /* currently material changes cannot trigger a global ambient change, I believe this is correct
1202 update_global_ambient( ctx ); */
1207 * _MESA_NEW_NEED_EYE_COORDS
1209 * Uses derived state from mesa:
1214 * _ModelViewInvScale
1218 * which are calculated in light.c and are correct for the current
1219 * lighting space (model or eye), hence dependencies on _NEW_MODELVIEW
1220 * and _MESA_NEW_NEED_EYE_COORDS.
1222 static void update_light( GLcontext
*ctx
)
1224 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
1226 /* Have to check these, or have an automatic shortcircuit mechanism
1227 * to remove noop statechanges. (Or just do a better job on the
1231 GLuint tmp
= rmesa
->hw
.tcl
.cmd
[TCL_LIGHT_MODEL_CTL_0
];
1233 if (ctx
->_NeedEyeCoords
)
1234 tmp
&= ~R200_LIGHT_IN_MODELSPACE
;
1236 tmp
|= R200_LIGHT_IN_MODELSPACE
;
1238 if (tmp
!= rmesa
->hw
.tcl
.cmd
[TCL_LIGHT_MODEL_CTL_0
])
1240 R200_STATECHANGE( rmesa
, tcl
);
1241 rmesa
->hw
.tcl
.cmd
[TCL_LIGHT_MODEL_CTL_0
] = tmp
;
1246 GLfloat
*fcmd
= (GLfloat
*)R200_DB_STATE( eye
);
1247 fcmd
[EYE_X
] = ctx
->_EyeZDir
[0];
1248 fcmd
[EYE_Y
] = ctx
->_EyeZDir
[1];
1249 fcmd
[EYE_Z
] = - ctx
->_EyeZDir
[2];
1250 fcmd
[EYE_RESCALE_FACTOR
] = ctx
->_ModelViewInvScale
;
1251 R200_DB_STATECHANGE( rmesa
, &rmesa
->hw
.eye
);
1256 if (ctx
->Light
.Enabled
) {
1258 for (p
= 0 ; p
< MAX_LIGHTS
; p
++) {
1259 if (ctx
->Light
.Light
[p
].Enabled
) {
1260 struct gl_light
*l
= &ctx
->Light
.Light
[p
];
1261 GLfloat
*fcmd
= (GLfloat
*)R200_DB_STATE( lit
[p
] );
1263 if (l
->EyePosition
[3] == 0.0) {
1264 COPY_3FV( &fcmd
[LIT_POSITION_X
], l
->_VP_inf_norm
);
1265 COPY_3FV( &fcmd
[LIT_DIRECTION_X
], l
->_h_inf_norm
);
1266 fcmd
[LIT_POSITION_W
] = 0;
1267 fcmd
[LIT_DIRECTION_W
] = 0;
1269 COPY_4V( &fcmd
[LIT_POSITION_X
], l
->_Position
);
1270 fcmd
[LIT_DIRECTION_X
] = -l
->_NormDirection
[0];
1271 fcmd
[LIT_DIRECTION_Y
] = -l
->_NormDirection
[1];
1272 fcmd
[LIT_DIRECTION_Z
] = -l
->_NormDirection
[2];
1273 fcmd
[LIT_DIRECTION_W
] = 0;
1276 R200_DB_STATECHANGE( rmesa
, &rmesa
->hw
.lit
[p
] );
1282 static void r200Lightfv( GLcontext
*ctx
, GLenum light
,
1283 GLenum pname
, const GLfloat
*params
)
1285 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
1286 GLint p
= light
- GL_LIGHT0
;
1287 struct gl_light
*l
= &ctx
->Light
.Light
[p
];
1288 GLfloat
*fcmd
= (GLfloat
*)rmesa
->hw
.lit
[p
].cmd
;
1295 update_light_colors( ctx
, p
);
1298 case GL_SPOT_DIRECTION
:
1299 /* picked up in update_light */
1303 /* positions picked up in update_light, but can do flag here */
1304 GLuint flag
= (p
&1)? R200_LIGHT_1_IS_LOCAL
: R200_LIGHT_0_IS_LOCAL
;
1305 GLuint idx
= TCL_PER_LIGHT_CTL_0
+ p
/2;
1307 R200_STATECHANGE(rmesa
, tcl
);
1308 if (l
->EyePosition
[3] != 0.0F
)
1309 rmesa
->hw
.tcl
.cmd
[idx
] |= flag
;
1311 rmesa
->hw
.tcl
.cmd
[idx
] &= ~flag
;
1315 case GL_SPOT_EXPONENT
:
1316 R200_STATECHANGE(rmesa
, lit
[p
]);
1317 fcmd
[LIT_SPOT_EXPONENT
] = params
[0];
1320 case GL_SPOT_CUTOFF
: {
1321 GLuint flag
= (p
&1) ? R200_LIGHT_1_IS_SPOT
: R200_LIGHT_0_IS_SPOT
;
1322 GLuint idx
= TCL_PER_LIGHT_CTL_0
+ p
/2;
1324 R200_STATECHANGE(rmesa
, lit
[p
]);
1325 fcmd
[LIT_SPOT_CUTOFF
] = l
->_CosCutoff
;
1327 R200_STATECHANGE(rmesa
, tcl
);
1328 if (l
->SpotCutoff
!= 180.0F
)
1329 rmesa
->hw
.tcl
.cmd
[idx
] |= flag
;
1331 rmesa
->hw
.tcl
.cmd
[idx
] &= ~flag
;
1336 case GL_CONSTANT_ATTENUATION
:
1337 R200_STATECHANGE(rmesa
, lit
[p
]);
1338 fcmd
[LIT_ATTEN_CONST
] = params
[0];
1339 if ( params
[0] == 0.0 )
1340 fcmd
[LIT_ATTEN_CONST_INV
] = FLT_MAX
;
1342 fcmd
[LIT_ATTEN_CONST_INV
] = 1.0 / params
[0];
1344 case GL_LINEAR_ATTENUATION
:
1345 R200_STATECHANGE(rmesa
, lit
[p
]);
1346 fcmd
[LIT_ATTEN_LINEAR
] = params
[0];
1348 case GL_QUADRATIC_ATTENUATION
:
1349 R200_STATECHANGE(rmesa
, lit
[p
]);
1350 fcmd
[LIT_ATTEN_QUADRATIC
] = params
[0];
1356 /* Set RANGE_ATTEN only when needed */
1359 case GL_CONSTANT_ATTENUATION
:
1360 case GL_LINEAR_ATTENUATION
:
1361 case GL_QUADRATIC_ATTENUATION
: {
1362 GLuint
*icmd
= (GLuint
*)R200_DB_STATE( tcl
);
1363 GLuint idx
= TCL_PER_LIGHT_CTL_0
+ p
/2;
1364 GLuint atten_flag
= ( p
&1 ) ? R200_LIGHT_1_ENABLE_RANGE_ATTEN
1365 : R200_LIGHT_0_ENABLE_RANGE_ATTEN
;
1366 GLuint atten_const_flag
= ( p
&1 ) ? R200_LIGHT_1_CONSTANT_RANGE_ATTEN
1367 : R200_LIGHT_0_CONSTANT_RANGE_ATTEN
;
1369 if ( l
->EyePosition
[3] == 0.0F
||
1370 ( ( fcmd
[LIT_ATTEN_CONST
] == 0.0 || fcmd
[LIT_ATTEN_CONST
] == 1.0 ) &&
1371 fcmd
[LIT_ATTEN_QUADRATIC
] == 0.0 && fcmd
[LIT_ATTEN_LINEAR
] == 0.0 ) ) {
1372 /* Disable attenuation */
1373 icmd
[idx
] &= ~atten_flag
;
1375 if ( fcmd
[LIT_ATTEN_QUADRATIC
] == 0.0 && fcmd
[LIT_ATTEN_LINEAR
] == 0.0 ) {
1376 /* Enable only constant portion of attenuation calculation */
1377 icmd
[idx
] |= ( atten_flag
| atten_const_flag
);
1379 /* Enable full attenuation calculation */
1380 icmd
[idx
] &= ~atten_const_flag
;
1381 icmd
[idx
] |= atten_flag
;
1385 R200_DB_STATECHANGE( rmesa
, &rmesa
->hw
.tcl
);
1393 static void r200UpdateLocalViewer ( GLcontext
*ctx
)
1395 /* It looks like for the texgen modes GL_SPHERE_MAP, GL_NORMAL_MAP and
1396 GL_REFLECTION_MAP we need R200_LOCAL_VIEWER set (fglrx does exactly that
1397 for these and only these modes). This means specular highlights may turn out
1398 wrong in some cases when lighting is enabled but GL_LIGHT_MODEL_LOCAL_VIEWER
1399 is not set, though it seems to happen rarely and the effect seems quite
1400 subtle. May need TCL fallback to fix it completely, though I'm not sure
1401 how you'd identify the cases where the specular highlights indeed will
1402 be wrong. Don't know if fglrx does something special in that case.
1404 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
1405 R200_STATECHANGE( rmesa
, tcl
);
1406 if (ctx
->Light
.Model
.LocalViewer
||
1407 ctx
->Texture
._GenFlags
& TEXGEN_NEED_NORMALS
)
1408 rmesa
->hw
.tcl
.cmd
[TCL_LIGHT_MODEL_CTL_0
] |= R200_LOCAL_VIEWER
;
1410 rmesa
->hw
.tcl
.cmd
[TCL_LIGHT_MODEL_CTL_0
] &= ~R200_LOCAL_VIEWER
;
1413 static void r200LightModelfv( GLcontext
*ctx
, GLenum pname
,
1414 const GLfloat
*param
)
1416 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
1419 case GL_LIGHT_MODEL_AMBIENT
:
1420 update_global_ambient( ctx
);
1423 case GL_LIGHT_MODEL_LOCAL_VIEWER
:
1424 r200UpdateLocalViewer( ctx
);
1427 case GL_LIGHT_MODEL_TWO_SIDE
:
1428 R200_STATECHANGE( rmesa
, tcl
);
1429 if (ctx
->Light
.Model
.TwoSide
)
1430 rmesa
->hw
.tcl
.cmd
[TCL_LIGHT_MODEL_CTL_0
] |= R200_LIGHT_TWOSIDE
;
1432 rmesa
->hw
.tcl
.cmd
[TCL_LIGHT_MODEL_CTL_0
] &= ~(R200_LIGHT_TWOSIDE
);
1433 if (rmesa
->TclFallback
) {
1434 r200ChooseRenderState( ctx
);
1435 r200ChooseVertexState( ctx
);
1439 case GL_LIGHT_MODEL_COLOR_CONTROL
:
1440 r200UpdateSpecular(ctx
);
1448 static void r200ShadeModel( GLcontext
*ctx
, GLenum mode
)
1450 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
1451 GLuint s
= rmesa
->hw
.set
.cmd
[SET_SE_CNTL
];
1453 s
&= ~(R200_DIFFUSE_SHADE_MASK
|
1454 R200_ALPHA_SHADE_MASK
|
1455 R200_SPECULAR_SHADE_MASK
|
1456 R200_FOG_SHADE_MASK
|
1457 R200_DISC_FOG_SHADE_MASK
);
1461 s
|= (R200_DIFFUSE_SHADE_FLAT
|
1462 R200_ALPHA_SHADE_FLAT
|
1463 R200_SPECULAR_SHADE_FLAT
|
1464 R200_FOG_SHADE_FLAT
|
1465 R200_DISC_FOG_SHADE_FLAT
);
1468 s
|= (R200_DIFFUSE_SHADE_GOURAUD
|
1469 R200_ALPHA_SHADE_GOURAUD
|
1470 R200_SPECULAR_SHADE_GOURAUD
|
1471 R200_FOG_SHADE_GOURAUD
|
1472 R200_DISC_FOG_SHADE_GOURAUD
);
1478 if ( rmesa
->hw
.set
.cmd
[SET_SE_CNTL
] != s
) {
1479 R200_STATECHANGE( rmesa
, set
);
1480 rmesa
->hw
.set
.cmd
[SET_SE_CNTL
] = s
;
1485 /* =============================================================
1489 static void r200ClipPlane( GLcontext
*ctx
, GLenum plane
, const GLfloat
*eq
)
1491 GLint p
= (GLint
) plane
- (GLint
) GL_CLIP_PLANE0
;
1492 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
1493 GLint
*ip
= (GLint
*)ctx
->Transform
._ClipUserPlane
[p
];
1495 R200_STATECHANGE( rmesa
, ucp
[p
] );
1496 rmesa
->hw
.ucp
[p
].cmd
[UCP_X
] = ip
[0];
1497 rmesa
->hw
.ucp
[p
].cmd
[UCP_Y
] = ip
[1];
1498 rmesa
->hw
.ucp
[p
].cmd
[UCP_Z
] = ip
[2];
1499 rmesa
->hw
.ucp
[p
].cmd
[UCP_W
] = ip
[3];
1502 static void r200UpdateClipPlanes( GLcontext
*ctx
)
1504 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
1507 for (p
= 0; p
< ctx
->Const
.MaxClipPlanes
; p
++) {
1508 if (ctx
->Transform
.ClipPlanesEnabled
& (1 << p
)) {
1509 GLint
*ip
= (GLint
*)ctx
->Transform
._ClipUserPlane
[p
];
1511 R200_STATECHANGE( rmesa
, ucp
[p
] );
1512 rmesa
->hw
.ucp
[p
].cmd
[UCP_X
] = ip
[0];
1513 rmesa
->hw
.ucp
[p
].cmd
[UCP_Y
] = ip
[1];
1514 rmesa
->hw
.ucp
[p
].cmd
[UCP_Z
] = ip
[2];
1515 rmesa
->hw
.ucp
[p
].cmd
[UCP_W
] = ip
[3];
1521 /* =============================================================
1526 r200StencilFuncSeparate( GLcontext
*ctx
, GLenum face
, GLenum func
,
1527 GLint ref
, GLuint mask
)
1529 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
1530 GLuint refmask
= (((ctx
->Stencil
.Ref
[0] & 0xff) << R200_STENCIL_REF_SHIFT
) |
1531 ((ctx
->Stencil
.ValueMask
[0] & 0xff) << R200_STENCIL_MASK_SHIFT
));
1533 R200_STATECHANGE( rmesa
, ctx
);
1534 R200_STATECHANGE( rmesa
, msk
);
1536 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] &= ~R200_STENCIL_TEST_MASK
;
1537 rmesa
->hw
.msk
.cmd
[MSK_RB3D_STENCILREFMASK
] &= ~(R200_STENCIL_REF_MASK
|
1538 R200_STENCIL_VALUE_MASK
);
1540 switch ( ctx
->Stencil
.Function
[0] ) {
1542 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_TEST_NEVER
;
1545 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_TEST_LESS
;
1548 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_TEST_EQUAL
;
1551 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_TEST_LEQUAL
;
1554 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_TEST_GREATER
;
1557 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_TEST_NEQUAL
;
1560 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_TEST_GEQUAL
;
1563 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_TEST_ALWAYS
;
1567 rmesa
->hw
.msk
.cmd
[MSK_RB3D_STENCILREFMASK
] |= refmask
;
1571 r200StencilMaskSeparate( GLcontext
*ctx
, GLenum face
, GLuint mask
)
1573 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
1575 R200_STATECHANGE( rmesa
, msk
);
1576 rmesa
->hw
.msk
.cmd
[MSK_RB3D_STENCILREFMASK
] &= ~R200_STENCIL_WRITE_MASK
;
1577 rmesa
->hw
.msk
.cmd
[MSK_RB3D_STENCILREFMASK
] |=
1578 ((ctx
->Stencil
.WriteMask
[0] & 0xff) << R200_STENCIL_WRITEMASK_SHIFT
);
1582 r200StencilOpSeparate( GLcontext
*ctx
, GLenum face
, GLenum fail
,
1583 GLenum zfail
, GLenum zpass
)
1585 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
1587 R200_STATECHANGE( rmesa
, ctx
);
1588 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] &= ~(R200_STENCIL_FAIL_MASK
|
1589 R200_STENCIL_ZFAIL_MASK
|
1590 R200_STENCIL_ZPASS_MASK
);
1592 switch ( ctx
->Stencil
.FailFunc
[0] ) {
1594 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_FAIL_KEEP
;
1597 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_FAIL_ZERO
;
1600 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_FAIL_REPLACE
;
1603 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_FAIL_INC
;
1606 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_FAIL_DEC
;
1608 case GL_INCR_WRAP_EXT
:
1609 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_FAIL_INC_WRAP
;
1611 case GL_DECR_WRAP_EXT
:
1612 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_FAIL_DEC_WRAP
;
1615 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_FAIL_INVERT
;
1619 switch ( ctx
->Stencil
.ZFailFunc
[0] ) {
1621 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_ZFAIL_KEEP
;
1624 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_ZFAIL_ZERO
;
1627 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_ZFAIL_REPLACE
;
1630 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_ZFAIL_INC
;
1633 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_ZFAIL_DEC
;
1635 case GL_INCR_WRAP_EXT
:
1636 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_ZFAIL_INC_WRAP
;
1638 case GL_DECR_WRAP_EXT
:
1639 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_ZFAIL_DEC_WRAP
;
1642 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_ZFAIL_INVERT
;
1646 switch ( ctx
->Stencil
.ZPassFunc
[0] ) {
1648 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_ZPASS_KEEP
;
1651 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_ZPASS_ZERO
;
1654 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_ZPASS_REPLACE
;
1657 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_ZPASS_INC
;
1660 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_ZPASS_DEC
;
1662 case GL_INCR_WRAP_EXT
:
1663 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_ZPASS_INC_WRAP
;
1665 case GL_DECR_WRAP_EXT
:
1666 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_ZPASS_DEC_WRAP
;
1669 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_ZSTENCILCNTL
] |= R200_STENCIL_ZPASS_INVERT
;
1674 static void r200ClearStencil( GLcontext
*ctx
, GLint s
)
1676 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
1678 rmesa
->state
.stencil
.clear
=
1679 ((GLuint
) (ctx
->Stencil
.Clear
& 0xff) |
1680 (0xff << R200_STENCIL_MASK_SHIFT
) |
1681 ((ctx
->Stencil
.WriteMask
[0] & 0xff) << R200_STENCIL_WRITEMASK_SHIFT
));
1685 /* =============================================================
1686 * Window position and viewport transformation
1690 * To correctly position primitives:
1692 #define SUBPIXEL_X 0.125
1693 #define SUBPIXEL_Y 0.125
1697 * Called when window size or position changes or viewport or depth range
1698 * state is changed. We update the hardware viewport state here.
1700 void r200UpdateWindow( GLcontext
*ctx
)
1702 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
1703 __DRIdrawablePrivate
*dPriv
= rmesa
->dri
.drawable
;
1704 GLfloat xoffset
= (GLfloat
)dPriv
->x
;
1705 GLfloat yoffset
= (GLfloat
)dPriv
->y
+ dPriv
->h
;
1706 const GLfloat
*v
= ctx
->Viewport
._WindowMap
.m
;
1708 float_ui32_type sx
= { v
[MAT_SX
] };
1709 float_ui32_type tx
= { v
[MAT_TX
] + xoffset
+ SUBPIXEL_X
};
1710 float_ui32_type sy
= { - v
[MAT_SY
] };
1711 float_ui32_type ty
= { (- v
[MAT_TY
]) + yoffset
+ SUBPIXEL_Y
};
1712 float_ui32_type sz
= { v
[MAT_SZ
] * rmesa
->state
.depth
.scale
};
1713 float_ui32_type tz
= { v
[MAT_TZ
] * rmesa
->state
.depth
.scale
};
1715 R200_FIREVERTICES( rmesa
);
1716 R200_STATECHANGE( rmesa
, vpt
);
1718 rmesa
->hw
.vpt
.cmd
[VPT_SE_VPORT_XSCALE
] = sx
.ui32
;
1719 rmesa
->hw
.vpt
.cmd
[VPT_SE_VPORT_XOFFSET
] = tx
.ui32
;
1720 rmesa
->hw
.vpt
.cmd
[VPT_SE_VPORT_YSCALE
] = sy
.ui32
;
1721 rmesa
->hw
.vpt
.cmd
[VPT_SE_VPORT_YOFFSET
] = ty
.ui32
;
1722 rmesa
->hw
.vpt
.cmd
[VPT_SE_VPORT_ZSCALE
] = sz
.ui32
;
1723 rmesa
->hw
.vpt
.cmd
[VPT_SE_VPORT_ZOFFSET
] = tz
.ui32
;
1728 static void r200Viewport( GLcontext
*ctx
, GLint x
, GLint y
,
1729 GLsizei width
, GLsizei height
)
1731 /* Don't pipeline viewport changes, conflict with window offset
1732 * setting below. Could apply deltas to rescue pipelined viewport
1733 * values, or keep the originals hanging around.
1735 r200UpdateWindow( ctx
);
1738 static void r200DepthRange( GLcontext
*ctx
, GLclampd nearval
,
1741 r200UpdateWindow( ctx
);
1744 void r200UpdateViewportOffset( GLcontext
*ctx
)
1746 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
1747 __DRIdrawablePrivate
*dPriv
= rmesa
->dri
.drawable
;
1748 GLfloat xoffset
= (GLfloat
)dPriv
->x
;
1749 GLfloat yoffset
= (GLfloat
)dPriv
->y
+ dPriv
->h
;
1750 const GLfloat
*v
= ctx
->Viewport
._WindowMap
.m
;
1755 tx
.f
= v
[MAT_TX
] + xoffset
+ SUBPIXEL_X
;
1756 ty
.f
= (- v
[MAT_TY
]) + yoffset
+ SUBPIXEL_Y
;
1758 if ( rmesa
->hw
.vpt
.cmd
[VPT_SE_VPORT_XOFFSET
] != tx
.ui32
||
1759 rmesa
->hw
.vpt
.cmd
[VPT_SE_VPORT_YOFFSET
] != ty
.ui32
)
1761 /* Note: this should also modify whatever data the context reset
1764 R200_STATECHANGE( rmesa
, vpt
);
1765 rmesa
->hw
.vpt
.cmd
[VPT_SE_VPORT_XOFFSET
] = tx
.ui32
;
1766 rmesa
->hw
.vpt
.cmd
[VPT_SE_VPORT_YOFFSET
] = ty
.ui32
;
1768 /* update polygon stipple x/y screen offset */
1771 GLuint m
= rmesa
->hw
.msc
.cmd
[MSC_RE_MISC
];
1773 m
&= ~(R200_STIPPLE_X_OFFSET_MASK
|
1774 R200_STIPPLE_Y_OFFSET_MASK
);
1776 /* add magic offsets, then invert */
1777 stx
= 31 - ((rmesa
->dri
.drawable
->x
- 1) & R200_STIPPLE_COORD_MASK
);
1778 sty
= 31 - ((rmesa
->dri
.drawable
->y
+ rmesa
->dri
.drawable
->h
- 1)
1779 & R200_STIPPLE_COORD_MASK
);
1781 m
|= ((stx
<< R200_STIPPLE_X_OFFSET_SHIFT
) |
1782 (sty
<< R200_STIPPLE_Y_OFFSET_SHIFT
));
1784 if ( rmesa
->hw
.msc
.cmd
[MSC_RE_MISC
] != m
) {
1785 R200_STATECHANGE( rmesa
, msc
);
1786 rmesa
->hw
.msc
.cmd
[MSC_RE_MISC
] = m
;
1791 r200UpdateScissor( ctx
);
1796 /* =============================================================
1800 static void r200ClearColor( GLcontext
*ctx
, const GLfloat c
[4] )
1802 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
1804 CLAMPED_FLOAT_TO_UBYTE(color
[0], c
[0]);
1805 CLAMPED_FLOAT_TO_UBYTE(color
[1], c
[1]);
1806 CLAMPED_FLOAT_TO_UBYTE(color
[2], c
[2]);
1807 CLAMPED_FLOAT_TO_UBYTE(color
[3], c
[3]);
1808 rmesa
->state
.color
.clear
= r200PackColor( rmesa
->r200Screen
->cpp
,
1810 color
[2], color
[3] );
1814 static void r200RenderMode( GLcontext
*ctx
, GLenum mode
)
1816 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
1817 FALLBACK( rmesa
, R200_FALLBACK_RENDER_MODE
, (mode
!= GL_RENDER
) );
1821 static GLuint r200_rop_tab
[] = {
1824 R200_ROP_AND_REVERSE
,
1826 R200_ROP_AND_INVERTED
,
1833 R200_ROP_OR_REVERSE
,
1834 R200_ROP_COPY_INVERTED
,
1835 R200_ROP_OR_INVERTED
,
1840 static void r200LogicOpCode( GLcontext
*ctx
, GLenum opcode
)
1842 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
1843 GLuint rop
= (GLuint
)opcode
- GL_CLEAR
;
1847 R200_STATECHANGE( rmesa
, msk
);
1848 rmesa
->hw
.msk
.cmd
[MSK_RB3D_ROPCNTL
] = r200_rop_tab
[rop
];
1853 * Set up the cliprects for either front or back-buffer drawing.
1855 void r200SetCliprects( r200ContextPtr rmesa
)
1857 __DRIdrawablePrivate
*const drawable
= rmesa
->dri
.drawable
;
1858 __DRIdrawablePrivate
*const readable
= rmesa
->dri
.readable
;
1859 GLframebuffer
*const draw_fb
= (GLframebuffer
*) drawable
->driverPrivate
;
1860 GLframebuffer
*const read_fb
= (GLframebuffer
*) readable
->driverPrivate
;
1862 if (draw_fb
->_ColorDrawBufferIndexes
[0] == BUFFER_BIT_BACK_LEFT
) {
1863 /* Can't ignore 2d windows if we are page flipping.
1865 if ( drawable
->numBackClipRects
== 0 || rmesa
->doPageFlip
) {
1866 rmesa
->numClipRects
= drawable
->numClipRects
;
1867 rmesa
->pClipRects
= drawable
->pClipRects
;
1870 rmesa
->numClipRects
= drawable
->numBackClipRects
;
1871 rmesa
->pClipRects
= drawable
->pBackClipRects
;
1875 /* front buffer (or none, or multiple buffers) */
1876 rmesa
->numClipRects
= drawable
->numClipRects
;
1877 rmesa
->pClipRects
= drawable
->pClipRects
;
1880 if ((draw_fb
->Width
!= drawable
->w
) || (draw_fb
->Height
!= drawable
->h
)) {
1881 _mesa_resize_framebuffer(rmesa
->glCtx
, draw_fb
,
1882 drawable
->w
, drawable
->h
);
1883 draw_fb
->Initialized
= GL_TRUE
;
1886 if (drawable
!= readable
) {
1887 if ((read_fb
->Width
!= readable
->w
) ||
1888 (read_fb
->Height
!= readable
->h
)) {
1889 _mesa_resize_framebuffer(rmesa
->glCtx
, read_fb
,
1890 readable
->w
, readable
->h
);
1891 read_fb
->Initialized
= GL_TRUE
;
1895 if (rmesa
->state
.scissor
.enabled
)
1896 r200RecalcScissorRects( rmesa
);
1898 rmesa
->lastStamp
= drawable
->lastStamp
;
1902 static void r200DrawBuffer( GLcontext
*ctx
, GLenum mode
)
1904 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
1906 if (R200_DEBUG
& DEBUG_DRI
)
1907 fprintf(stderr
, "%s %s\n", __FUNCTION__
,
1908 _mesa_lookup_enum_by_nr( mode
));
1910 R200_FIREVERTICES(rmesa
); /* don't pipeline cliprect changes */
1912 if (ctx
->DrawBuffer
->_NumColorDrawBuffers
!= 1) {
1913 /* 0 (GL_NONE) buffers or multiple color drawing buffers */
1914 FALLBACK( rmesa
, R200_FALLBACK_DRAW_BUFFER
, GL_TRUE
);
1918 switch ( ctx
->DrawBuffer
->_ColorDrawBufferIndexes
[0] ) {
1919 case BUFFER_FRONT_LEFT
:
1920 case BUFFER_BACK_LEFT
:
1921 FALLBACK( rmesa
, R200_FALLBACK_DRAW_BUFFER
, GL_FALSE
);
1924 FALLBACK( rmesa
, R200_FALLBACK_DRAW_BUFFER
, GL_TRUE
);
1928 r200SetCliprects( rmesa
);
1930 /* We'll set the drawing engine's offset/pitch parameters later
1931 * when we update other state.
1936 static void r200ReadBuffer( GLcontext
*ctx
, GLenum mode
)
1938 /* nothing, until we implement h/w glRead/CopyPixels or CopyTexImage */
1941 /* =============================================================
1942 * State enable/disable
1945 static void r200Enable( GLcontext
*ctx
, GLenum cap
, GLboolean state
)
1947 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
1950 if ( R200_DEBUG
& DEBUG_STATE
)
1951 fprintf( stderr
, "%s( %s = %s )\n", __FUNCTION__
,
1952 _mesa_lookup_enum_by_nr( cap
),
1953 state
? "GL_TRUE" : "GL_FALSE" );
1956 /* Fast track this one...
1964 R200_STATECHANGE( rmesa
, ctx
);
1966 rmesa
->hw
.ctx
.cmd
[CTX_PP_CNTL
] |= R200_ALPHA_TEST_ENABLE
;
1968 rmesa
->hw
.ctx
.cmd
[CTX_PP_CNTL
] &= ~R200_ALPHA_TEST_ENABLE
;
1973 case GL_COLOR_LOGIC_OP
:
1974 r200_set_blend_state( ctx
);
1977 case GL_CLIP_PLANE0
:
1978 case GL_CLIP_PLANE1
:
1979 case GL_CLIP_PLANE2
:
1980 case GL_CLIP_PLANE3
:
1981 case GL_CLIP_PLANE4
:
1982 case GL_CLIP_PLANE5
:
1983 p
= cap
-GL_CLIP_PLANE0
;
1984 R200_STATECHANGE( rmesa
, tcl
);
1986 rmesa
->hw
.tcl
.cmd
[TCL_UCP_VERT_BLEND_CTL
] |= (R200_UCP_ENABLE_0
<<p
);
1987 r200ClipPlane( ctx
, cap
, NULL
);
1990 rmesa
->hw
.tcl
.cmd
[TCL_UCP_VERT_BLEND_CTL
] &= ~(R200_UCP_ENABLE_0
<<p
);
1994 case GL_COLOR_MATERIAL
:
1995 r200ColorMaterial( ctx
, 0, 0 );
1996 r200UpdateMaterial( ctx
);
2000 r200CullFace( ctx
, 0 );
2004 R200_STATECHANGE(rmesa
, ctx
);
2006 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_CNTL
] |= R200_Z_ENABLE
;
2008 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_CNTL
] &= ~R200_Z_ENABLE
;
2013 R200_STATECHANGE(rmesa
, ctx
);
2015 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_CNTL
] |= R200_DITHER_ENABLE
;
2016 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_CNTL
] &= ~rmesa
->state
.color
.roundEnable
;
2018 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_CNTL
] &= ~R200_DITHER_ENABLE
;
2019 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_CNTL
] |= rmesa
->state
.color
.roundEnable
;
2024 R200_STATECHANGE(rmesa
, ctx
);
2026 rmesa
->hw
.ctx
.cmd
[CTX_PP_CNTL
] |= R200_FOG_ENABLE
;
2027 r200Fogfv( ctx
, GL_FOG_MODE
, NULL
);
2029 rmesa
->hw
.ctx
.cmd
[CTX_PP_CNTL
] &= ~R200_FOG_ENABLE
;
2030 R200_STATECHANGE(rmesa
, tcl
);
2031 rmesa
->hw
.tcl
.cmd
[TCL_UCP_VERT_BLEND_CTL
] &= ~R200_TCL_FOG_MASK
;
2033 r200UpdateSpecular( ctx
); /* for PK_SPEC */
2034 if (rmesa
->TclFallback
)
2035 r200ChooseVertexState( ctx
);
2036 _mesa_allow_light_in_model( ctx
, !state
);
2047 R200_STATECHANGE(rmesa
, tcl
);
2048 p
= cap
- GL_LIGHT0
;
2050 flag
= (R200_LIGHT_1_ENABLE
|
2051 R200_LIGHT_1_ENABLE_AMBIENT
|
2052 R200_LIGHT_1_ENABLE_SPECULAR
);
2054 flag
= (R200_LIGHT_0_ENABLE
|
2055 R200_LIGHT_0_ENABLE_AMBIENT
|
2056 R200_LIGHT_0_ENABLE_SPECULAR
);
2059 rmesa
->hw
.tcl
.cmd
[p
/2 + TCL_PER_LIGHT_CTL_0
] |= flag
;
2061 rmesa
->hw
.tcl
.cmd
[p
/2 + TCL_PER_LIGHT_CTL_0
] &= ~flag
;
2065 update_light_colors( ctx
, p
);
2069 r200UpdateSpecular(ctx
);
2070 /* for reflection map fixup - might set recheck_texgen for all units too */
2071 rmesa
->NewGLState
|= _NEW_TEXTURE
;
2074 case GL_LINE_SMOOTH
:
2075 R200_STATECHANGE( rmesa
, ctx
);
2077 rmesa
->hw
.ctx
.cmd
[CTX_PP_CNTL
] |= R200_ANTI_ALIAS_LINE
;
2079 rmesa
->hw
.ctx
.cmd
[CTX_PP_CNTL
] &= ~R200_ANTI_ALIAS_LINE
;
2083 case GL_LINE_STIPPLE
:
2084 R200_STATECHANGE( rmesa
, set
);
2086 rmesa
->hw
.set
.cmd
[SET_RE_CNTL
] |= R200_PATTERN_ENABLE
;
2088 rmesa
->hw
.set
.cmd
[SET_RE_CNTL
] &= ~R200_PATTERN_ENABLE
;
2093 R200_STATECHANGE( rmesa
, tcl
);
2095 rmesa
->hw
.tcl
.cmd
[TCL_LIGHT_MODEL_CTL_0
] |= R200_NORMALIZE_NORMALS
;
2097 rmesa
->hw
.tcl
.cmd
[TCL_LIGHT_MODEL_CTL_0
] &= ~R200_NORMALIZE_NORMALS
;
2101 /* Pointsize registers on r200 only work for point sprites, and point smooth
2102 * doesn't work for point sprites (and isn't needed for 1.0 sized aa points).
2103 * In any case, setting pointmin == pointsizemax == 1.0 for aa points
2104 * is enough to satisfy conform.
2106 case GL_POINT_SMOOTH
:
2109 /* These don't really do anything, as we don't use the 3vtx
2113 case GL_POLYGON_OFFSET_POINT
:
2114 R200_STATECHANGE( rmesa
, set
);
2116 rmesa
->hw
.set
.cmd
[SET_SE_CNTL
] |= R200_ZBIAS_ENABLE_POINT
;
2118 rmesa
->hw
.set
.cmd
[SET_SE_CNTL
] &= ~R200_ZBIAS_ENABLE_POINT
;
2122 case GL_POLYGON_OFFSET_LINE
:
2123 R200_STATECHANGE( rmesa
, set
);
2125 rmesa
->hw
.set
.cmd
[SET_SE_CNTL
] |= R200_ZBIAS_ENABLE_LINE
;
2127 rmesa
->hw
.set
.cmd
[SET_SE_CNTL
] &= ~R200_ZBIAS_ENABLE_LINE
;
2132 case GL_POINT_SPRITE_ARB
:
2133 R200_STATECHANGE( rmesa
, spr
);
2136 for (i
= 0; i
< 6; i
++) {
2137 rmesa
->hw
.spr
.cmd
[SPR_POINT_SPRITE_CNTL
] |=
2138 ctx
->Point
.CoordReplace
[i
] << (R200_PS_GEN_TEX_0_SHIFT
+ i
);
2141 rmesa
->hw
.spr
.cmd
[SPR_POINT_SPRITE_CNTL
] &= ~R200_PS_GEN_TEX_MASK
;
2145 case GL_POLYGON_OFFSET_FILL
:
2146 R200_STATECHANGE( rmesa
, set
);
2148 rmesa
->hw
.set
.cmd
[SET_SE_CNTL
] |= R200_ZBIAS_ENABLE_TRI
;
2150 rmesa
->hw
.set
.cmd
[SET_SE_CNTL
] &= ~R200_ZBIAS_ENABLE_TRI
;
2154 case GL_POLYGON_SMOOTH
:
2155 R200_STATECHANGE( rmesa
, ctx
);
2157 rmesa
->hw
.ctx
.cmd
[CTX_PP_CNTL
] |= R200_ANTI_ALIAS_POLY
;
2159 rmesa
->hw
.ctx
.cmd
[CTX_PP_CNTL
] &= ~R200_ANTI_ALIAS_POLY
;
2163 case GL_POLYGON_STIPPLE
:
2164 R200_STATECHANGE(rmesa
, set
);
2166 rmesa
->hw
.set
.cmd
[SET_RE_CNTL
] |= R200_STIPPLE_ENABLE
;
2168 rmesa
->hw
.set
.cmd
[SET_RE_CNTL
] &= ~R200_STIPPLE_ENABLE
;
2172 case GL_RESCALE_NORMAL_EXT
: {
2173 GLboolean tmp
= ctx
->_NeedEyeCoords
? state
: !state
;
2174 R200_STATECHANGE( rmesa
, tcl
);
2176 rmesa
->hw
.tcl
.cmd
[TCL_LIGHT_MODEL_CTL_0
] |= R200_RESCALE_NORMALS
;
2178 rmesa
->hw
.tcl
.cmd
[TCL_LIGHT_MODEL_CTL_0
] &= ~R200_RESCALE_NORMALS
;
2183 case GL_SCISSOR_TEST
:
2184 R200_FIREVERTICES( rmesa
);
2185 rmesa
->state
.scissor
.enabled
= state
;
2186 r200UpdateScissor( ctx
);
2189 case GL_STENCIL_TEST
:
2190 if ( rmesa
->state
.stencil
.hwBuffer
) {
2191 R200_STATECHANGE( rmesa
, ctx
);
2193 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_CNTL
] |= R200_STENCIL_ENABLE
;
2195 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_CNTL
] &= ~R200_STENCIL_ENABLE
;
2198 FALLBACK( rmesa
, R200_FALLBACK_STENCIL
, state
);
2202 case GL_TEXTURE_GEN_Q
:
2203 case GL_TEXTURE_GEN_R
:
2204 case GL_TEXTURE_GEN_S
:
2205 case GL_TEXTURE_GEN_T
:
2206 /* Picked up in r200UpdateTextureState.
2208 rmesa
->recheck_texgen
[ctx
->Texture
.CurrentUnit
] = GL_TRUE
;
2211 case GL_COLOR_SUM_EXT
:
2212 r200UpdateSpecular ( ctx
);
2215 case GL_VERTEX_PROGRAM_ARB
:
2218 rmesa
->curr_vp_hw
= NULL
;
2219 R200_STATECHANGE( rmesa
, vap
);
2220 rmesa
->hw
.vap
.cmd
[VAP_SE_VAP_CNTL
] &= ~R200_VAP_PROG_VTX_SHADER_ENABLE
;
2221 /* mark all tcl atoms (tcl vector state got overwritten) dirty
2222 not sure about tcl scalar state - we need at least grd
2223 with vert progs too.
2224 ucp looks like it doesn't get overwritten (may even work
2225 with vp for pos-invariant progs if we're lucky) */
2226 R200_STATECHANGE( rmesa
, mtl
[0] );
2227 R200_STATECHANGE( rmesa
, mtl
[1] );
2228 R200_STATECHANGE( rmesa
, fog
);
2229 R200_STATECHANGE( rmesa
, glt
);
2230 R200_STATECHANGE( rmesa
, eye
);
2231 for (i
= R200_MTX_MV
; i
<= R200_MTX_TEX5
; i
++) {
2232 R200_STATECHANGE( rmesa
, mat
[i
] );
2234 for (i
= 0 ; i
< 8; i
++) {
2235 R200_STATECHANGE( rmesa
, lit
[i
] );
2237 R200_STATECHANGE( rmesa
, tcl
);
2238 for (i
= 0; i
<= ctx
->Const
.MaxClipPlanes
; i
++) {
2239 if (ctx
->Transform
.ClipPlanesEnabled
& (1 << i
)) {
2240 rmesa
->hw
.tcl
.cmd
[TCL_UCP_VERT_BLEND_CTL
] |= (R200_UCP_ENABLE_0
<< i
);
2243 rmesa->hw.tcl.cmd[TCL_UCP_VERT_BLEND_CTL] &= ~(R200_UCP_ENABLE_0 << i);
2246 /* ugly. Need to call everything which might change compsel. */
2247 r200UpdateSpecular( ctx
);
2249 /* shouldn't be necessary, as it's picked up anyway in r200ValidateState (_NEW_PROGRAM),
2250 but without it doom3 locks up at always the same places. Why? */
2251 /* FIXME: This can (and should) be replaced by a call to the TCL_STATE_FLUSH reg before
2252 accessing VAP_SE_VAP_CNTL. Requires drm changes (done). Remove after some time... */
2253 r200UpdateTextureState( ctx
);
2254 /* if we call r200UpdateTextureState we need the code below because we are calling it with
2255 non-current derived enabled values which may revert the state atoms for frag progs even when
2256 they already got disabled... ugh
2257 Should really figure out why we need to call r200UpdateTextureState in the first place */
2259 for (unit
= 0; unit
< R200_MAX_TEXTURE_UNITS
; unit
++) {
2260 R200_STATECHANGE( rmesa
, pix
[unit
] );
2261 R200_STATECHANGE( rmesa
, tex
[unit
] );
2262 rmesa
->hw
.tex
[unit
].cmd
[TEX_PP_TXFORMAT
] &=
2263 ~(R200_TXFORMAT_ST_ROUTE_MASK
| R200_TXFORMAT_LOOKUP_DISABLE
);
2264 rmesa
->hw
.tex
[unit
].cmd
[TEX_PP_TXFORMAT
] |= unit
<< R200_TXFORMAT_ST_ROUTE_SHIFT
;
2265 /* need to guard this with drmSupportsFragmentShader? Should never get here if
2266 we don't announce ATI_fs, right? */
2267 rmesa
->hw
.tex
[unit
].cmd
[TEX_PP_TXMULTI_CTL
] = 0;
2269 R200_STATECHANGE( rmesa
, cst
);
2270 R200_STATECHANGE( rmesa
, tf
);
2271 rmesa
->hw
.cst
.cmd
[CST_PP_CNTL_X
] = 0;
2275 /* picked up later */
2277 /* call functions which change hw state based on ARB_vp enabled or not. */
2278 r200PointParameter( ctx
, GL_POINT_DISTANCE_ATTENUATION
, NULL
);
2279 r200Fogfv( ctx
, GL_FOG_COORD_SRC
, NULL
);
2282 case GL_VERTEX_PROGRAM_POINT_SIZE_ARB
:
2283 r200PointParameter( ctx
, GL_POINT_DISTANCE_ATTENUATION
, NULL
);
2286 case GL_FRAGMENT_SHADER_ATI
:
2288 /* restore normal tex env colors and make sure tex env combine will get updated
2289 mark env atoms dirty (as their data was overwritten by afs even
2290 if they didn't change) and restore tex coord routing */
2292 for (unit
= 0; unit
< R200_MAX_TEXTURE_UNITS
; unit
++) {
2293 R200_STATECHANGE( rmesa
, pix
[unit
] );
2294 R200_STATECHANGE( rmesa
, tex
[unit
] );
2295 rmesa
->hw
.tex
[unit
].cmd
[TEX_PP_TXFORMAT
] &=
2296 ~(R200_TXFORMAT_ST_ROUTE_MASK
| R200_TXFORMAT_LOOKUP_DISABLE
);
2297 rmesa
->hw
.tex
[unit
].cmd
[TEX_PP_TXFORMAT
] |= unit
<< R200_TXFORMAT_ST_ROUTE_SHIFT
;
2298 /* need to guard this with drmSupportsFragmentShader? Should never get here if
2299 we don't announce ATI_fs, right? */
2300 rmesa
->hw
.tex
[unit
].cmd
[TEX_PP_TXMULTI_CTL
] = 0;
2302 R200_STATECHANGE( rmesa
, cst
);
2303 R200_STATECHANGE( rmesa
, tf
);
2304 rmesa
->hw
.cst
.cmd
[CST_PP_CNTL_X
] = 0;
2307 /* need to mark this dirty as pix/tf atoms have overwritten the data
2308 even if the data in the atoms didn't change */
2309 R200_STATECHANGE( rmesa
, atf
);
2310 R200_STATECHANGE( rmesa
, afs
[1] );
2311 /* everything else picked up in r200UpdateTextureState hopefully */
2320 void r200LightingSpaceChange( GLcontext
*ctx
)
2322 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
2325 if (R200_DEBUG
& DEBUG_STATE
)
2326 fprintf(stderr
, "%s %d BEFORE %x\n", __FUNCTION__
, ctx
->_NeedEyeCoords
,
2327 rmesa
->hw
.tcl
.cmd
[TCL_LIGHT_MODEL_CTL_0
]);
2329 if (ctx
->_NeedEyeCoords
)
2330 tmp
= ctx
->Transform
.RescaleNormals
;
2332 tmp
= !ctx
->Transform
.RescaleNormals
;
2334 R200_STATECHANGE( rmesa
, tcl
);
2336 rmesa
->hw
.tcl
.cmd
[TCL_LIGHT_MODEL_CTL_0
] |= R200_RESCALE_NORMALS
;
2338 rmesa
->hw
.tcl
.cmd
[TCL_LIGHT_MODEL_CTL_0
] &= ~R200_RESCALE_NORMALS
;
2341 if (R200_DEBUG
& DEBUG_STATE
)
2342 fprintf(stderr
, "%s %d AFTER %x\n", __FUNCTION__
, ctx
->_NeedEyeCoords
,
2343 rmesa
->hw
.tcl
.cmd
[TCL_LIGHT_MODEL_CTL_0
]);
2346 /* =============================================================
2347 * Deferred state management - matrices, textures, other?
2353 static void upload_matrix( r200ContextPtr rmesa
, GLfloat
*src
, int idx
)
2355 float *dest
= ((float *)R200_DB_STATE( mat
[idx
] ))+MAT_ELT_0
;
2359 for (i
= 0 ; i
< 4 ; i
++) {
2363 *dest
++ = src
[i
+12];
2366 R200_DB_STATECHANGE( rmesa
, &rmesa
->hw
.mat
[idx
] );
2369 static void upload_matrix_t( r200ContextPtr rmesa
, const GLfloat
*src
, int idx
)
2371 float *dest
= ((float *)R200_DB_STATE( mat
[idx
] ))+MAT_ELT_0
;
2372 memcpy(dest
, src
, 16*sizeof(float));
2373 R200_DB_STATECHANGE( rmesa
, &rmesa
->hw
.mat
[idx
] );
2377 static void update_texturematrix( GLcontext
*ctx
)
2379 r200ContextPtr rmesa
= R200_CONTEXT( ctx
);
2380 GLuint tpc
= rmesa
->hw
.tcg
.cmd
[TCG_TEX_PROC_CTL_0
];
2381 GLuint compsel
= rmesa
->hw
.vtx
.cmd
[VTX_TCL_OUTPUT_COMPSEL
];
2384 if (R200_DEBUG
& DEBUG_STATE
)
2385 fprintf(stderr
, "%s before COMPSEL: %x\n", __FUNCTION__
,
2386 rmesa
->hw
.vtx
.cmd
[VTX_TCL_OUTPUT_COMPSEL
]);
2388 rmesa
->TexMatEnabled
= 0;
2389 rmesa
->TexMatCompSel
= 0;
2391 for (unit
= 0 ; unit
< ctx
->Const
.MaxTextureUnits
; unit
++) {
2392 if (!ctx
->Texture
.Unit
[unit
]._ReallyEnabled
)
2395 if (ctx
->TextureMatrixStack
[unit
].Top
->type
!= MATRIX_IDENTITY
) {
2396 rmesa
->TexMatEnabled
|= (R200_TEXGEN_TEXMAT_0_ENABLE
|
2397 R200_TEXMAT_0_ENABLE
) << unit
;
2399 rmesa
->TexMatCompSel
|= R200_OUTPUT_TEX_0
<< unit
;
2401 if (rmesa
->TexGenEnabled
& (R200_TEXMAT_0_ENABLE
<< unit
)) {
2402 /* Need to preconcatenate any active texgen
2403 * obj/eyeplane matrices:
2405 _math_matrix_mul_matrix( &rmesa
->tmpmat
,
2406 ctx
->TextureMatrixStack
[unit
].Top
,
2407 &rmesa
->TexGenMatrix
[unit
] );
2408 upload_matrix( rmesa
, rmesa
->tmpmat
.m
, R200_MTX_TEX0
+unit
);
2411 upload_matrix( rmesa
, ctx
->TextureMatrixStack
[unit
].Top
->m
,
2412 R200_MTX_TEX0
+unit
);
2415 else if (rmesa
->TexGenEnabled
& (R200_TEXMAT_0_ENABLE
<< unit
)) {
2416 upload_matrix( rmesa
, rmesa
->TexGenMatrix
[unit
].m
,
2417 R200_MTX_TEX0
+unit
);
2421 tpc
= (rmesa
->TexMatEnabled
| rmesa
->TexGenEnabled
);
2422 if (tpc
!= rmesa
->hw
.tcg
.cmd
[TCG_TEX_PROC_CTL_0
]) {
2423 R200_STATECHANGE(rmesa
, tcg
);
2424 rmesa
->hw
.tcg
.cmd
[TCG_TEX_PROC_CTL_0
] = tpc
;
2427 compsel
&= ~R200_OUTPUT_TEX_MASK
;
2428 compsel
|= rmesa
->TexMatCompSel
| rmesa
->TexGenCompSel
;
2429 if (compsel
!= rmesa
->hw
.vtx
.cmd
[VTX_TCL_OUTPUT_COMPSEL
]) {
2430 R200_STATECHANGE(rmesa
, vtx
);
2431 rmesa
->hw
.vtx
.cmd
[VTX_TCL_OUTPUT_COMPSEL
] = compsel
;
2438 * Tell the card where to render (offset, pitch).
2439 * Effected by glDrawBuffer, etc
2442 r200UpdateDrawBuffer(GLcontext
*ctx
)
2444 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
2445 struct gl_framebuffer
*fb
= ctx
->DrawBuffer
;
2446 driRenderbuffer
*drb
;
2448 if (fb
->_ColorDrawBufferIndexes
[0] == BUFFER_FRONT_LEFT
) {
2450 drb
= (driRenderbuffer
*) fb
->Attachment
[BUFFER_FRONT_LEFT
].Renderbuffer
;
2452 else if (fb
->_ColorDrawBufferIndexes
[0] == BUFFER_BACK_LEFT
) {
2454 drb
= (driRenderbuffer
*) fb
->Attachment
[BUFFER_BACK_LEFT
].Renderbuffer
;
2457 /* drawing to multiple buffers, or none */
2462 assert(drb
->flippedPitch
);
2464 R200_STATECHANGE( rmesa
, ctx
);
2466 /* Note: we used the (possibly) page-flipped values */
2467 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_COLOROFFSET
]
2468 = ((drb
->flippedOffset
+ rmesa
->r200Screen
->fbLocation
)
2469 & R200_COLOROFFSET_MASK
);
2470 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_COLORPITCH
] = drb
->flippedPitch
;
2471 if (rmesa
->sarea
->tiling_enabled
) {
2472 rmesa
->hw
.ctx
.cmd
[CTX_RB3D_COLORPITCH
] |= R200_COLOR_TILE_ENABLE
;
2478 void r200ValidateState( GLcontext
*ctx
)
2480 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
2481 GLuint new_state
= rmesa
->NewGLState
;
2483 if (new_state
& (_NEW_BUFFERS
| _NEW_COLOR
| _NEW_PIXEL
)) {
2484 r200UpdateDrawBuffer(ctx
);
2487 if (new_state
& (_NEW_TEXTURE
| _NEW_PROGRAM
)) {
2488 r200UpdateTextureState( ctx
);
2489 new_state
|= rmesa
->NewGLState
; /* may add TEXTURE_MATRIX */
2490 r200UpdateLocalViewer( ctx
);
2493 /* FIXME: don't really need most of these when vertex progs are enabled */
2495 /* Need an event driven matrix update?
2497 if (new_state
& (_NEW_MODELVIEW
|_NEW_PROJECTION
))
2498 upload_matrix( rmesa
, ctx
->_ModelProjectMatrix
.m
, R200_MTX_MVP
);
2500 /* Need these for lighting (shouldn't upload otherwise)
2502 if (new_state
& (_NEW_MODELVIEW
)) {
2503 upload_matrix( rmesa
, ctx
->ModelviewMatrixStack
.Top
->m
, R200_MTX_MV
);
2504 upload_matrix_t( rmesa
, ctx
->ModelviewMatrixStack
.Top
->inv
, R200_MTX_IMV
);
2507 /* Does this need to be triggered on eg. modelview for
2508 * texgen-derived objplane/eyeplane matrices?
2510 if (new_state
& (_NEW_TEXTURE
|_NEW_TEXTURE_MATRIX
)) {
2511 update_texturematrix( ctx
);
2514 if (new_state
& (_NEW_LIGHT
|_NEW_MODELVIEW
|_MESA_NEW_NEED_EYE_COORDS
)) {
2515 update_light( ctx
);
2518 /* emit all active clip planes if projection matrix changes.
2520 if (new_state
& (_NEW_PROJECTION
)) {
2521 if (ctx
->Transform
.ClipPlanesEnabled
)
2522 r200UpdateClipPlanes( ctx
);
2525 if (new_state
& (_NEW_PROGRAM
|
2526 /* need to test for pretty much anything due to possible parameter bindings */
2527 _NEW_MODELVIEW
|_NEW_PROJECTION
|_NEW_TRANSFORM
|
2528 _NEW_LIGHT
|_NEW_TEXTURE
|_NEW_TEXTURE_MATRIX
|
2529 _NEW_FOG
|_NEW_POINT
|_NEW_TRACK_MATRIX
)) {
2530 if (ctx
->VertexProgram
._Enabled
) {
2531 r200SetupVertexProg( ctx
);
2533 else TCL_FALLBACK(ctx
, R200_TCL_FALLBACK_VERTEX_PROGRAM
, 0);
2536 rmesa
->NewGLState
= 0;
2540 static void r200InvalidateState( GLcontext
*ctx
, GLuint new_state
)
2542 _swrast_InvalidateState( ctx
, new_state
);
2543 _swsetup_InvalidateState( ctx
, new_state
);
2544 _vbo_InvalidateState( ctx
, new_state
);
2545 _tnl_InvalidateState( ctx
, new_state
);
2546 _ae_invalidate_state( ctx
, new_state
);
2547 R200_CONTEXT(ctx
)->NewGLState
|= new_state
;
2550 /* A hack. The r200 can actually cope just fine with materials
2551 * between begin/ends, so fix this.
2552 * Should map to inputs just like the generic vertex arrays for vertex progs.
2553 * In theory there could still be too many and we'd still need a fallback.
2555 static GLboolean
check_material( GLcontext
*ctx
)
2557 TNLcontext
*tnl
= TNL_CONTEXT(ctx
);
2560 for (i
= _TNL_ATTRIB_MAT_FRONT_AMBIENT
;
2561 i
< _TNL_ATTRIB_MAT_BACK_INDEXES
;
2563 if (tnl
->vb
.AttribPtr
[i
] &&
2564 tnl
->vb
.AttribPtr
[i
]->stride
)
2570 static void r200WrapRunPipeline( GLcontext
*ctx
)
2572 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
2573 GLboolean has_material
;
2576 fprintf(stderr
, "%s, newstate: %x\n", __FUNCTION__
, rmesa
->NewGLState
);
2580 if (rmesa
->NewGLState
)
2581 r200ValidateState( ctx
);
2583 has_material
= !ctx
->VertexProgram
._Enabled
&& ctx
->Light
.Enabled
&& check_material( ctx
);
2586 TCL_FALLBACK( ctx
, R200_TCL_FALLBACK_MATERIAL
, GL_TRUE
);
2589 /* Run the pipeline.
2591 _tnl_run_pipeline( ctx
);
2594 TCL_FALLBACK( ctx
, R200_TCL_FALLBACK_MATERIAL
, GL_FALSE
);
2599 /* Initialize the driver's state functions.
2601 void r200InitStateFuncs( struct dd_function_table
*functions
)
2603 functions
->UpdateState
= r200InvalidateState
;
2604 functions
->LightingSpaceChange
= r200LightingSpaceChange
;
2606 functions
->DrawBuffer
= r200DrawBuffer
;
2607 functions
->ReadBuffer
= r200ReadBuffer
;
2609 functions
->AlphaFunc
= r200AlphaFunc
;
2610 functions
->BlendColor
= r200BlendColor
;
2611 functions
->BlendEquationSeparate
= r200BlendEquationSeparate
;
2612 functions
->BlendFuncSeparate
= r200BlendFuncSeparate
;
2613 functions
->ClearColor
= r200ClearColor
;
2614 functions
->ClearDepth
= r200ClearDepth
;
2615 functions
->ClearIndex
= NULL
;
2616 functions
->ClearStencil
= r200ClearStencil
;
2617 functions
->ClipPlane
= r200ClipPlane
;
2618 functions
->ColorMask
= r200ColorMask
;
2619 functions
->CullFace
= r200CullFace
;
2620 functions
->DepthFunc
= r200DepthFunc
;
2621 functions
->DepthMask
= r200DepthMask
;
2622 functions
->DepthRange
= r200DepthRange
;
2623 functions
->Enable
= r200Enable
;
2624 functions
->Fogfv
= r200Fogfv
;
2625 functions
->FrontFace
= r200FrontFace
;
2626 functions
->Hint
= NULL
;
2627 functions
->IndexMask
= NULL
;
2628 functions
->LightModelfv
= r200LightModelfv
;
2629 functions
->Lightfv
= r200Lightfv
;
2630 functions
->LineStipple
= r200LineStipple
;
2631 functions
->LineWidth
= r200LineWidth
;
2632 functions
->LogicOpcode
= r200LogicOpCode
;
2633 functions
->PolygonMode
= r200PolygonMode
;
2634 functions
->PolygonOffset
= r200PolygonOffset
;
2635 functions
->PolygonStipple
= r200PolygonStipple
;
2636 functions
->PointParameterfv
= r200PointParameter
;
2637 functions
->PointSize
= r200PointSize
;
2638 functions
->RenderMode
= r200RenderMode
;
2639 functions
->Scissor
= r200Scissor
;
2640 functions
->ShadeModel
= r200ShadeModel
;
2641 functions
->StencilFuncSeparate
= r200StencilFuncSeparate
;
2642 functions
->StencilMaskSeparate
= r200StencilMaskSeparate
;
2643 functions
->StencilOpSeparate
= r200StencilOpSeparate
;
2644 functions
->Viewport
= r200Viewport
;
2648 void r200InitTnlFuncs( GLcontext
*ctx
)
2650 TNL_CONTEXT(ctx
)->Driver
.NotifyMaterialChange
= r200UpdateMaterial
;
2651 TNL_CONTEXT(ctx
)->Driver
.RunPipeline
= r200WrapRunPipeline
;