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
, const GLfloat color
[4] )
276 CLAMPED_FLOAT_TO_UBYTE(c
[0], color
[0]);
277 CLAMPED_FLOAT_TO_UBYTE(c
[1], color
[1]);
278 CLAMPED_FLOAT_TO_UBYTE(c
[2], color
[2]);
279 CLAMPED_FLOAT_TO_UBYTE(c
[3], color
[3]);
280 t
->pp_border_color
= radeonPackColor( 4, c
[0], c
[1], c
[2], c
[3] );
283 static void r200TexEnv( GLcontext
*ctx
, GLenum target
,
284 GLenum pname
, const GLfloat
*param
)
286 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
287 GLuint unit
= ctx
->Texture
.CurrentUnit
;
288 struct gl_texture_unit
*texUnit
= &ctx
->Texture
.Unit
[unit
];
290 if ( R200_DEBUG
& DEBUG_STATE
) {
291 fprintf( stderr
, "%s( %s )\n",
292 __FUNCTION__
, _mesa_lookup_enum_by_nr( pname
) );
295 /* This is incorrect: Need to maintain this data for each of
296 * GL_TEXTURE_{123}D, GL_TEXTURE_RECTANGLE_NV, etc, and switch
297 * between them according to _ReallyEnabled.
300 case GL_TEXTURE_ENV_COLOR
: {
303 UNCLAMPED_FLOAT_TO_RGBA_CHAN( c
, texUnit
->EnvColor
);
304 envColor
= radeonPackColor( 4, c
[0], c
[1], c
[2], c
[3] );
305 if ( rmesa
->hw
.tf
.cmd
[TF_TFACTOR_0
+ unit
] != envColor
) {
306 R200_STATECHANGE( rmesa
, tf
);
307 rmesa
->hw
.tf
.cmd
[TF_TFACTOR_0
+ unit
] = envColor
;
312 case GL_TEXTURE_LOD_BIAS_EXT
: {
315 const int fixed_one
= 0x8000000;
317 /* The R200's LOD bias is a signed 2's complement value with a
318 * range of -16.0 <= bias < 16.0.
320 * NOTE: Add a small bias to the bias for conform mipsel.c test.
323 min
= driQueryOptionb (&rmesa
->radeon
.optionCache
, "no_neg_lod_bias") ?
325 bias
= CLAMP( bias
, min
, 16.0 );
326 b
= (int)(bias
* fixed_one
) & R200_LOD_BIAS_MASK
;
328 if ( (rmesa
->hw
.tex
[unit
].cmd
[TEX_PP_TXFORMAT_X
] & R200_LOD_BIAS_MASK
) != b
) {
329 R200_STATECHANGE( rmesa
, tex
[unit
] );
330 rmesa
->hw
.tex
[unit
].cmd
[TEX_PP_TXFORMAT_X
] &= ~R200_LOD_BIAS_MASK
;
331 rmesa
->hw
.tex
[unit
].cmd
[TEX_PP_TXFORMAT_X
] |= b
;
335 case GL_COORD_REPLACE_ARB
:
336 if (ctx
->Point
.PointSprite
) {
337 R200_STATECHANGE( rmesa
, spr
);
338 if ((GLenum
)param
[0]) {
339 rmesa
->hw
.spr
.cmd
[SPR_POINT_SPRITE_CNTL
] |= R200_PS_GEN_TEX_0
<< unit
;
341 rmesa
->hw
.spr
.cmd
[SPR_POINT_SPRITE_CNTL
] &= ~(R200_PS_GEN_TEX_0
<< unit
);
352 * Changes variables and flags for a state update, which will happen at the
353 * next UpdateTextureState
356 static void r200TexParameter( GLcontext
*ctx
, GLenum target
,
357 struct gl_texture_object
*texObj
,
358 GLenum pname
, const GLfloat
*params
)
360 radeonTexObj
* t
= radeon_tex_obj(texObj
);
362 if ( R200_DEBUG
& (DEBUG_STATE
|DEBUG_TEXTURE
) ) {
363 fprintf( stderr
, "%s( %s )\n", __FUNCTION__
,
364 _mesa_lookup_enum_by_nr( pname
) );
368 case GL_TEXTURE_MIN_FILTER
:
369 case GL_TEXTURE_MAG_FILTER
:
370 case GL_TEXTURE_MAX_ANISOTROPY_EXT
:
371 r200SetTexMaxAnisotropy( t
, texObj
->MaxAnisotropy
);
372 r200SetTexFilter( t
, texObj
->MinFilter
, texObj
->MagFilter
);
375 case GL_TEXTURE_WRAP_S
:
376 case GL_TEXTURE_WRAP_T
:
377 case GL_TEXTURE_WRAP_R
:
378 r200SetTexWrap( t
, texObj
->WrapS
, texObj
->WrapT
, texObj
->WrapR
);
381 case GL_TEXTURE_BORDER_COLOR
:
382 r200SetTexBorderColor( t
, texObj
->BorderColor
);
385 case GL_TEXTURE_BASE_LEVEL
:
386 case GL_TEXTURE_MAX_LEVEL
:
387 case GL_TEXTURE_MIN_LOD
:
388 case GL_TEXTURE_MAX_LOD
:
389 /* This isn't the most efficient solution but there doesn't appear to
390 * be a nice alternative. Since there's no LOD clamping,
391 * we just have to rely on loading the right subset of mipmap levels
392 * to simulate a clamped LOD.
395 radeon_miptree_unreference(t
->mt
);
397 t
->validated
= GL_FALSE
;
407 static void r200DeleteTexture(GLcontext
* ctx
, struct gl_texture_object
*texObj
)
409 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
410 radeonTexObj
* t
= radeon_tex_obj(texObj
);
412 if (RADEON_DEBUG
& (DEBUG_STATE
| DEBUG_TEXTURE
)) {
413 fprintf(stderr
, "%s( %p (target = %s) )\n", __FUNCTION__
,
415 _mesa_lookup_enum_by_nr(texObj
->Target
));
420 radeon_firevertices(&rmesa
->radeon
);
421 for ( i
= 0 ; i
< rmesa
->radeon
.glCtx
->Const
.MaxTextureUnits
; i
++ ) {
422 if ( t
== rmesa
->state
.texture
.unit
[i
].texobj
) {
423 rmesa
->state
.texture
.unit
[i
].texobj
= NULL
;
424 rmesa
->hw
.tex
[i
].dirty
= GL_FALSE
;
425 rmesa
->hw
.cube
[i
].dirty
= GL_FALSE
;
431 radeon_miptree_unreference(t
->mt
);
434 _mesa_delete_texture_object(ctx
, texObj
);
438 * - Same GEN_MODE for all active bits
439 * - Same EyePlane/ObjPlane for all active bits when using Eye/Obj
440 * - STRQ presumably all supported (matrix means incoming R values
441 * can end up in STQ, this has implications for vertex support,
442 * presumably ok if maos is used, though?)
444 * Basically impossible to do this on the fly - just collect some
445 * basic info & do the checks from ValidateState().
447 static void r200TexGen( GLcontext
*ctx
,
450 const GLfloat
*params
)
452 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
453 GLuint unit
= ctx
->Texture
.CurrentUnit
;
454 rmesa
->recheck_texgen
[unit
] = GL_TRUE
;
459 * Allocate a new texture object.
460 * Called via ctx->Driver.NewTextureObject.
461 * Note: this function will be called during context creation to
462 * allocate the default texture objects.
463 * Fixup MaxAnisotropy according to user preference.
465 static struct gl_texture_object
*r200NewTextureObject(GLcontext
* ctx
,
469 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
470 radeonTexObj
* t
= CALLOC_STRUCT(radeon_tex_obj
);
473 if (RADEON_DEBUG
& (DEBUG_STATE
| DEBUG_TEXTURE
)) {
474 fprintf(stderr
, "%s( %p (target = %s) )\n", __FUNCTION__
,
475 t
, _mesa_lookup_enum_by_nr(target
));
478 _mesa_initialize_texture_object(&t
->base
, name
, target
);
479 t
->base
.MaxAnisotropy
= rmesa
->radeon
.initialMaxAnisotropy
;
481 /* Initialize hardware state */
482 r200SetTexWrap( t
, t
->base
.WrapS
, t
->base
.WrapT
, t
->base
.WrapR
);
483 r200SetTexMaxAnisotropy( t
, t
->base
.MaxAnisotropy
);
484 r200SetTexFilter(t
, t
->base
.MinFilter
, t
->base
.MagFilter
);
485 r200SetTexBorderColor(t
, t
->base
.BorderColor
);
492 void r200InitTextureFuncs( struct dd_function_table
*functions
)
494 /* Note: we only plug in the functions we implement in the driver
495 * since _mesa_init_driver_functions() was already called.
497 functions
->ChooseTextureFormat
= radeonChooseTextureFormat_mesa
;
498 functions
->TexImage1D
= radeonTexImage1D
;
499 functions
->TexImage2D
= radeonTexImage2D
;
500 #if ENABLE_HW_3D_TEXTURE
501 functions
->TexImage3D
= radeonTexImage3D
;
503 functions
->TexImage3D
= _mesa_store_teximage3d
;
505 functions
->TexSubImage1D
= radeonTexSubImage1D
;
506 functions
->TexSubImage2D
= radeonTexSubImage2D
;
507 #if ENABLE_HW_3D_TEXTURE
508 functions
->TexSubImage3D
= radeonTexSubImage3D
;
510 functions
->TexSubImage3D
= _mesa_store_texsubimage3d
;
512 functions
->GetTexImage
= radeonGetTexImage
;
513 functions
->GetCompressedTexImage
= radeonGetCompressedTexImage
;
514 functions
->NewTextureObject
= r200NewTextureObject
;
515 // functions->BindTexture = r200BindTexture;
516 functions
->DeleteTexture
= r200DeleteTexture
;
517 functions
->IsTextureResident
= driIsTextureResident
;
519 functions
->TexEnv
= r200TexEnv
;
520 functions
->TexParameter
= r200TexParameter
;
521 functions
->TexGen
= r200TexGen
;
523 functions
->CompressedTexImage2D
= radeonCompressedTexImage2D
;
524 functions
->CompressedTexSubImage2D
= radeonCompressedTexSubImage2D
;
526 functions
->GenerateMipmap
= radeonGenerateMipmap
;
528 functions
->NewTextureImage
= radeonNewTextureImage
;
529 functions
->FreeTexImageData
= radeonFreeTexImageData
;
530 functions
->MapTexture
= radeonMapTexture
;
531 functions
->UnmapTexture
= radeonUnmapTexture
;
533 driInitTextureFormats();