2 Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved.
4 The Weather Channel (TM) funded Tungsten Graphics to develop the
5 initial release of the Radeon 8500 driver under the XFree86 license.
6 This notice must be preserved.
8 Permission is hereby granted, free of charge, to any person obtaining
9 a copy of this software and associated documentation files (the
10 "Software"), to deal in the Software without restriction, including
11 without limitation the rights to use, copy, modify, merge, publish,
12 distribute, sublicense, and/or sell copies of the Software, and to
13 permit persons to whom the Software is furnished to do so, subject to
14 the following conditions:
16 The above copyright notice and this permission notice (including the
17 next paragraph) shall be included in all copies or substantial
18 portions of the Software.
20 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
21 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
23 IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
24 LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
25 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
26 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
31 * Keith Whitwell <keith@tungstengraphics.com>
34 #include "main/glheader.h"
35 #include "main/imports.h"
36 #include "main/colormac.h"
37 #include "main/context.h"
38 #include "main/enums.h"
39 #include "main/image.h"
40 #include "main/simple_list.h"
41 #include "main/texformat.h"
42 #include "main/texstore.h"
43 #include "main/teximage.h"
44 #include "main/texobj.h"
46 #include "radeon_mipmap_tree.h"
47 #include "r200_context.h"
48 #include "r200_state.h"
49 #include "r200_ioctl.h"
50 #include "r200_swtcl.h"
58 * Set the texture wrap modes.
60 * \param t Texture object whose wrap modes are to be set
61 * \param swrap Wrap mode for the \a s texture coordinate
62 * \param twrap Wrap mode for the \a t texture coordinate
65 static void r200SetTexWrap( radeonTexObjPtr t
, GLenum swrap
, GLenum twrap
, GLenum rwrap
)
67 GLboolean is_clamp
= GL_FALSE
;
68 GLboolean is_clamp_to_border
= GL_FALSE
;
69 struct gl_texture_object
*tObj
= &t
->base
;
71 t
->pp_txfilter
&= ~(R200_CLAMP_S_MASK
| R200_CLAMP_T_MASK
| R200_BORDER_MODE_D3D
);
75 t
->pp_txfilter
|= R200_CLAMP_S_WRAP
;
78 t
->pp_txfilter
|= R200_CLAMP_S_CLAMP_GL
;
81 case GL_CLAMP_TO_EDGE
:
82 t
->pp_txfilter
|= R200_CLAMP_S_CLAMP_LAST
;
84 case GL_CLAMP_TO_BORDER
:
85 t
->pp_txfilter
|= R200_CLAMP_S_CLAMP_GL
;
86 is_clamp_to_border
= GL_TRUE
;
88 case GL_MIRRORED_REPEAT
:
89 t
->pp_txfilter
|= R200_CLAMP_S_MIRROR
;
91 case GL_MIRROR_CLAMP_EXT
:
92 t
->pp_txfilter
|= R200_CLAMP_S_MIRROR_CLAMP_GL
;
95 case GL_MIRROR_CLAMP_TO_EDGE_EXT
:
96 t
->pp_txfilter
|= R200_CLAMP_S_MIRROR_CLAMP_LAST
;
98 case GL_MIRROR_CLAMP_TO_BORDER_EXT
:
99 t
->pp_txfilter
|= R200_CLAMP_S_MIRROR_CLAMP_GL
;
100 is_clamp_to_border
= GL_TRUE
;
103 _mesa_problem(NULL
, "bad S wrap mode in %s", __FUNCTION__
);
106 if (tObj
->Target
!= GL_TEXTURE_1D
) {
109 t
->pp_txfilter
|= R200_CLAMP_T_WRAP
;
112 t
->pp_txfilter
|= R200_CLAMP_T_CLAMP_GL
;
115 case GL_CLAMP_TO_EDGE
:
116 t
->pp_txfilter
|= R200_CLAMP_T_CLAMP_LAST
;
118 case GL_CLAMP_TO_BORDER
:
119 t
->pp_txfilter
|= R200_CLAMP_T_CLAMP_GL
;
120 is_clamp_to_border
= GL_TRUE
;
122 case GL_MIRRORED_REPEAT
:
123 t
->pp_txfilter
|= R200_CLAMP_T_MIRROR
;
125 case GL_MIRROR_CLAMP_EXT
:
126 t
->pp_txfilter
|= R200_CLAMP_T_MIRROR_CLAMP_GL
;
129 case GL_MIRROR_CLAMP_TO_EDGE_EXT
:
130 t
->pp_txfilter
|= R200_CLAMP_T_MIRROR_CLAMP_LAST
;
132 case GL_MIRROR_CLAMP_TO_BORDER_EXT
:
133 t
->pp_txfilter
|= R200_CLAMP_T_MIRROR_CLAMP_GL
;
134 is_clamp_to_border
= GL_TRUE
;
137 _mesa_problem(NULL
, "bad T wrap mode in %s", __FUNCTION__
);
141 t
->pp_txformat_x
&= ~R200_CLAMP_Q_MASK
;
145 t
->pp_txformat_x
|= R200_CLAMP_Q_WRAP
;
148 t
->pp_txformat_x
|= R200_CLAMP_Q_CLAMP_GL
;
151 case GL_CLAMP_TO_EDGE
:
152 t
->pp_txformat_x
|= R200_CLAMP_Q_CLAMP_LAST
;
154 case GL_CLAMP_TO_BORDER
:
155 t
->pp_txformat_x
|= R200_CLAMP_Q_CLAMP_GL
;
156 is_clamp_to_border
= GL_TRUE
;
158 case GL_MIRRORED_REPEAT
:
159 t
->pp_txformat_x
|= R200_CLAMP_Q_MIRROR
;
161 case GL_MIRROR_CLAMP_EXT
:
162 t
->pp_txformat_x
|= R200_CLAMP_Q_MIRROR_CLAMP_GL
;
165 case GL_MIRROR_CLAMP_TO_EDGE_EXT
:
166 t
->pp_txformat_x
|= R200_CLAMP_Q_MIRROR_CLAMP_LAST
;
168 case GL_MIRROR_CLAMP_TO_BORDER_EXT
:
169 t
->pp_txformat_x
|= R200_CLAMP_Q_MIRROR_CLAMP_GL
;
170 is_clamp_to_border
= GL_TRUE
;
173 _mesa_problem(NULL
, "bad R wrap mode in %s", __FUNCTION__
);
176 if ( is_clamp_to_border
) {
177 t
->pp_txfilter
|= R200_BORDER_MODE_D3D
;
180 t
->border_fallback
= (is_clamp
&& is_clamp_to_border
);
183 static void r200SetTexMaxAnisotropy( radeonTexObjPtr t
, GLfloat max
)
185 t
->pp_txfilter
&= ~R200_MAX_ANISO_MASK
;
188 t
->pp_txfilter
|= R200_MAX_ANISO_1_TO_1
;
189 } else if ( max
<= 2.0 ) {
190 t
->pp_txfilter
|= R200_MAX_ANISO_2_TO_1
;
191 } else if ( max
<= 4.0 ) {
192 t
->pp_txfilter
|= R200_MAX_ANISO_4_TO_1
;
193 } else if ( max
<= 8.0 ) {
194 t
->pp_txfilter
|= R200_MAX_ANISO_8_TO_1
;
196 t
->pp_txfilter
|= R200_MAX_ANISO_16_TO_1
;
201 * Set the texture magnification and minification modes.
203 * \param t Texture whose filter modes are to be set
204 * \param minf Texture minification mode
205 * \param magf Texture magnification mode
208 static void r200SetTexFilter( radeonTexObjPtr t
, GLenum minf
, GLenum magf
)
210 GLuint anisotropy
= (t
->pp_txfilter
& R200_MAX_ANISO_MASK
);
212 /* Force revalidation to account for switches from/to mipmapping. */
213 t
->validated
= GL_FALSE
;
215 t
->pp_txfilter
&= ~(R200_MIN_FILTER_MASK
| R200_MAG_FILTER_MASK
);
216 t
->pp_txformat_x
&= ~R200_VOLUME_FILTER_MASK
;
218 if ( anisotropy
== R200_MAX_ANISO_1_TO_1
) {
221 t
->pp_txfilter
|= R200_MIN_FILTER_NEAREST
;
224 t
->pp_txfilter
|= R200_MIN_FILTER_LINEAR
;
226 case GL_NEAREST_MIPMAP_NEAREST
:
227 t
->pp_txfilter
|= R200_MIN_FILTER_NEAREST_MIP_NEAREST
;
229 case GL_NEAREST_MIPMAP_LINEAR
:
230 t
->pp_txfilter
|= R200_MIN_FILTER_LINEAR_MIP_NEAREST
;
232 case GL_LINEAR_MIPMAP_NEAREST
:
233 t
->pp_txfilter
|= R200_MIN_FILTER_NEAREST_MIP_LINEAR
;
235 case GL_LINEAR_MIPMAP_LINEAR
:
236 t
->pp_txfilter
|= R200_MIN_FILTER_LINEAR_MIP_LINEAR
;
242 t
->pp_txfilter
|= R200_MIN_FILTER_ANISO_NEAREST
;
245 t
->pp_txfilter
|= R200_MIN_FILTER_ANISO_LINEAR
;
247 case GL_NEAREST_MIPMAP_NEAREST
:
248 case GL_LINEAR_MIPMAP_NEAREST
:
249 t
->pp_txfilter
|= R200_MIN_FILTER_ANISO_NEAREST_MIP_NEAREST
;
251 case GL_NEAREST_MIPMAP_LINEAR
:
252 case GL_LINEAR_MIPMAP_LINEAR
:
253 t
->pp_txfilter
|= R200_MIN_FILTER_ANISO_NEAREST_MIP_LINEAR
;
258 /* Note we don't have 3D mipmaps so only use the mag filter setting
259 * to set the 3D texture filter mode.
263 t
->pp_txfilter
|= R200_MAG_FILTER_NEAREST
;
264 t
->pp_txformat_x
|= R200_VOLUME_FILTER_NEAREST
;
267 t
->pp_txfilter
|= R200_MAG_FILTER_LINEAR
;
268 t
->pp_txformat_x
|= R200_VOLUME_FILTER_LINEAR
;
273 static void r200SetTexBorderColor( radeonTexObjPtr t
, GLubyte c
[4] )
275 t
->pp_border_color
= radeonPackColor( 4, c
[0], c
[1], c
[2], c
[3] );
282 static void r200TexEnv( GLcontext
*ctx
, GLenum target
,
283 GLenum pname
, const GLfloat
*param
)
285 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
286 GLuint unit
= ctx
->Texture
.CurrentUnit
;
287 struct gl_texture_unit
*texUnit
= &ctx
->Texture
.Unit
[unit
];
289 if ( R200_DEBUG
& DEBUG_STATE
) {
290 fprintf( stderr
, "%s( %s )\n",
291 __FUNCTION__
, _mesa_lookup_enum_by_nr( pname
) );
294 /* This is incorrect: Need to maintain this data for each of
295 * GL_TEXTURE_{123}D, GL_TEXTURE_RECTANGLE_NV, etc, and switch
296 * between them according to _ReallyEnabled.
299 case GL_TEXTURE_ENV_COLOR
: {
302 UNCLAMPED_FLOAT_TO_RGBA_CHAN( c
, texUnit
->EnvColor
);
303 envColor
= radeonPackColor( 4, c
[0], c
[1], c
[2], c
[3] );
304 if ( rmesa
->hw
.tf
.cmd
[TF_TFACTOR_0
+ unit
] != envColor
) {
305 R200_STATECHANGE( rmesa
, tf
);
306 rmesa
->hw
.tf
.cmd
[TF_TFACTOR_0
+ unit
] = envColor
;
311 case GL_TEXTURE_LOD_BIAS_EXT
: {
314 const int fixed_one
= 0x8000000;
316 /* The R200's LOD bias is a signed 2's complement value with a
317 * range of -16.0 <= bias < 16.0.
319 * NOTE: Add a small bias to the bias for conform mipsel.c test.
322 min
= driQueryOptionb (&rmesa
->radeon
.optionCache
, "no_neg_lod_bias") ?
324 bias
= CLAMP( bias
, min
, 16.0 );
325 b
= (int)(bias
* fixed_one
) & R200_LOD_BIAS_MASK
;
327 if ( (rmesa
->hw
.tex
[unit
].cmd
[TEX_PP_TXFORMAT_X
] & R200_LOD_BIAS_MASK
) != b
) {
328 R200_STATECHANGE( rmesa
, tex
[unit
] );
329 rmesa
->hw
.tex
[unit
].cmd
[TEX_PP_TXFORMAT_X
] &= ~R200_LOD_BIAS_MASK
;
330 rmesa
->hw
.tex
[unit
].cmd
[TEX_PP_TXFORMAT_X
] |= b
;
334 case GL_COORD_REPLACE_ARB
:
335 if (ctx
->Point
.PointSprite
) {
336 R200_STATECHANGE( rmesa
, spr
);
337 if ((GLenum
)param
[0]) {
338 rmesa
->hw
.spr
.cmd
[SPR_POINT_SPRITE_CNTL
] |= R200_PS_GEN_TEX_0
<< unit
;
340 rmesa
->hw
.spr
.cmd
[SPR_POINT_SPRITE_CNTL
] &= ~(R200_PS_GEN_TEX_0
<< unit
);
351 * Changes variables and flags for a state update, which will happen at the
352 * next UpdateTextureState
355 static void r200TexParameter( GLcontext
*ctx
, GLenum target
,
356 struct gl_texture_object
*texObj
,
357 GLenum pname
, const GLfloat
*params
)
359 radeonTexObj
* t
= radeon_tex_obj(texObj
);
361 if ( R200_DEBUG
& (DEBUG_STATE
|DEBUG_TEXTURE
) ) {
362 fprintf( stderr
, "%s( %s )\n", __FUNCTION__
,
363 _mesa_lookup_enum_by_nr( pname
) );
367 case GL_TEXTURE_MIN_FILTER
:
368 case GL_TEXTURE_MAG_FILTER
:
369 case GL_TEXTURE_MAX_ANISOTROPY_EXT
:
370 r200SetTexMaxAnisotropy( t
, texObj
->MaxAnisotropy
);
371 r200SetTexFilter( t
, texObj
->MinFilter
, texObj
->MagFilter
);
374 case GL_TEXTURE_WRAP_S
:
375 case GL_TEXTURE_WRAP_T
:
376 case GL_TEXTURE_WRAP_R
:
377 r200SetTexWrap( t
, texObj
->WrapS
, texObj
->WrapT
, texObj
->WrapR
);
380 case GL_TEXTURE_BORDER_COLOR
:
381 r200SetTexBorderColor( t
, texObj
->_BorderChan
);
384 case GL_TEXTURE_BASE_LEVEL
:
385 case GL_TEXTURE_MAX_LEVEL
:
386 case GL_TEXTURE_MIN_LOD
:
387 case GL_TEXTURE_MAX_LOD
:
388 /* This isn't the most efficient solution but there doesn't appear to
389 * be a nice alternative. Since there's no LOD clamping,
390 * we just have to rely on loading the right subset of mipmap levels
391 * to simulate a clamped LOD.
394 radeon_miptree_unreference(t
->mt
);
396 t
->validated
= GL_FALSE
;
406 static void r200DeleteTexture(GLcontext
* ctx
, struct gl_texture_object
*texObj
)
408 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
409 radeonTexObj
* t
= radeon_tex_obj(texObj
);
411 if (RADEON_DEBUG
& (DEBUG_STATE
| DEBUG_TEXTURE
)) {
412 fprintf(stderr
, "%s( %p (target = %s) )\n", __FUNCTION__
,
414 _mesa_lookup_enum_by_nr(texObj
->Target
));
419 radeon_firevertices(&rmesa
->radeon
);
420 for ( i
= 0 ; i
< rmesa
->radeon
.glCtx
->Const
.MaxTextureUnits
; i
++ ) {
421 if ( t
== rmesa
->state
.texture
.unit
[i
].texobj
) {
422 rmesa
->state
.texture
.unit
[i
].texobj
= NULL
;
423 rmesa
->hw
.tex
[i
].dirty
= GL_FALSE
;
424 rmesa
->hw
.cube
[i
].dirty
= GL_FALSE
;
430 radeon_miptree_unreference(t
->mt
);
433 _mesa_delete_texture_object(ctx
, texObj
);
437 * - Same GEN_MODE for all active bits
438 * - Same EyePlane/ObjPlane for all active bits when using Eye/Obj
439 * - STRQ presumably all supported (matrix means incoming R values
440 * can end up in STQ, this has implications for vertex support,
441 * presumably ok if maos is used, though?)
443 * Basically impossible to do this on the fly - just collect some
444 * basic info & do the checks from ValidateState().
446 static void r200TexGen( GLcontext
*ctx
,
449 const GLfloat
*params
)
451 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
452 GLuint unit
= ctx
->Texture
.CurrentUnit
;
453 rmesa
->recheck_texgen
[unit
] = GL_TRUE
;
458 * Allocate a new texture object.
459 * Called via ctx->Driver.NewTextureObject.
460 * Note: this function will be called during context creation to
461 * allocate the default texture objects.
462 * Fixup MaxAnisotropy according to user preference.
464 static struct gl_texture_object
*r200NewTextureObject(GLcontext
* ctx
,
468 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
469 radeonTexObj
* t
= CALLOC_STRUCT(radeon_tex_obj
);
472 if (RADEON_DEBUG
& (DEBUG_STATE
| DEBUG_TEXTURE
)) {
473 fprintf(stderr
, "%s( %p (target = %s) )\n", __FUNCTION__
,
474 t
, _mesa_lookup_enum_by_nr(target
));
477 _mesa_initialize_texture_object(&t
->base
, name
, target
);
478 t
->base
.MaxAnisotropy
= rmesa
->radeon
.initialMaxAnisotropy
;
480 /* Initialize hardware state */
481 r200SetTexWrap( t
, t
->base
.WrapS
, t
->base
.WrapT
, t
->base
.WrapR
);
482 r200SetTexMaxAnisotropy( t
, t
->base
.MaxAnisotropy
);
483 r200SetTexFilter(t
, t
->base
.MinFilter
, t
->base
.MagFilter
);
484 r200SetTexBorderColor(t
, t
->base
._BorderChan
);
491 void r200InitTextureFuncs( struct dd_function_table
*functions
)
493 /* Note: we only plug in the functions we implement in the driver
494 * since _mesa_init_driver_functions() was already called.
496 functions
->ChooseTextureFormat
= radeonChooseTextureFormat_mesa
;
497 functions
->TexImage1D
= radeonTexImage1D
;
498 functions
->TexImage2D
= radeonTexImage2D
;
499 #if ENABLE_HW_3D_TEXTURE
500 functions
->TexImage3D
= radeonTexImage3D
;
502 functions
->TexImage3D
= _mesa_store_teximage3d
;
504 functions
->TexSubImage1D
= radeonTexSubImage1D
;
505 functions
->TexSubImage2D
= radeonTexSubImage2D
;
506 #if ENABLE_HW_3D_TEXTURE
507 functions
->TexSubImage3D
= radeonTexSubImage3D
;
509 functions
->TexSubImage3D
= _mesa_store_texsubimage3d
;
511 functions
->GetTexImage
= radeonGetTexImage
;
512 functions
->GetCompressedTexImage
= radeonGetCompressedTexImage
;
513 functions
->NewTextureObject
= r200NewTextureObject
;
514 // functions->BindTexture = r200BindTexture;
515 functions
->DeleteTexture
= r200DeleteTexture
;
516 functions
->IsTextureResident
= driIsTextureResident
;
518 functions
->TexEnv
= r200TexEnv
;
519 functions
->TexParameter
= r200TexParameter
;
520 functions
->TexGen
= r200TexGen
;
522 functions
->CompressedTexImage2D
= radeonCompressedTexImage2D
;
523 functions
->CompressedTexSubImage2D
= radeonCompressedTexSubImage2D
;
525 functions
->GenerateMipmap
= radeonGenerateMipmap
;
527 functions
->NewTextureImage
= radeonNewTextureImage
;
528 functions
->FreeTexImageData
= radeonFreeTexImageData
;
529 functions
->MapTexture
= radeonMapTexture
;
530 functions
->UnmapTexture
= radeonUnmapTexture
;
532 driInitTextureFormats();