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/texstore.h"
42 #include "main/teximage.h"
43 #include "main/texobj.h"
45 #include "radeon_mipmap_tree.h"
46 #include "r200_context.h"
47 #include "r200_state.h"
48 #include "r200_ioctl.h"
49 #include "r200_swtcl.h"
57 * Set the texture wrap modes.
59 * \param t Texture object whose wrap modes are to be set
60 * \param swrap Wrap mode for the \a s texture coordinate
61 * \param twrap Wrap mode for the \a t texture coordinate
64 static void r200SetTexWrap( radeonTexObjPtr t
, GLenum swrap
, GLenum twrap
, GLenum rwrap
)
66 GLboolean is_clamp
= GL_FALSE
;
67 GLboolean is_clamp_to_border
= GL_FALSE
;
68 struct gl_texture_object
*tObj
= &t
->base
;
70 t
->pp_txfilter
&= ~(R200_CLAMP_S_MASK
| R200_CLAMP_T_MASK
| R200_BORDER_MODE_D3D
);
74 t
->pp_txfilter
|= R200_CLAMP_S_WRAP
;
77 t
->pp_txfilter
|= R200_CLAMP_S_CLAMP_GL
;
80 case GL_CLAMP_TO_EDGE
:
81 t
->pp_txfilter
|= R200_CLAMP_S_CLAMP_LAST
;
83 case GL_CLAMP_TO_BORDER
:
84 t
->pp_txfilter
|= R200_CLAMP_S_CLAMP_GL
;
85 is_clamp_to_border
= GL_TRUE
;
87 case GL_MIRRORED_REPEAT
:
88 t
->pp_txfilter
|= R200_CLAMP_S_MIRROR
;
90 case GL_MIRROR_CLAMP_EXT
:
91 t
->pp_txfilter
|= R200_CLAMP_S_MIRROR_CLAMP_GL
;
94 case GL_MIRROR_CLAMP_TO_EDGE_EXT
:
95 t
->pp_txfilter
|= R200_CLAMP_S_MIRROR_CLAMP_LAST
;
97 case GL_MIRROR_CLAMP_TO_BORDER_EXT
:
98 t
->pp_txfilter
|= R200_CLAMP_S_MIRROR_CLAMP_GL
;
99 is_clamp_to_border
= GL_TRUE
;
102 _mesa_problem(NULL
, "bad S wrap mode in %s", __FUNCTION__
);
105 if (tObj
->Target
!= GL_TEXTURE_1D
) {
108 t
->pp_txfilter
|= R200_CLAMP_T_WRAP
;
111 t
->pp_txfilter
|= R200_CLAMP_T_CLAMP_GL
;
114 case GL_CLAMP_TO_EDGE
:
115 t
->pp_txfilter
|= R200_CLAMP_T_CLAMP_LAST
;
117 case GL_CLAMP_TO_BORDER
:
118 t
->pp_txfilter
|= R200_CLAMP_T_CLAMP_GL
;
119 is_clamp_to_border
= GL_TRUE
;
121 case GL_MIRRORED_REPEAT
:
122 t
->pp_txfilter
|= R200_CLAMP_T_MIRROR
;
124 case GL_MIRROR_CLAMP_EXT
:
125 t
->pp_txfilter
|= R200_CLAMP_T_MIRROR_CLAMP_GL
;
128 case GL_MIRROR_CLAMP_TO_EDGE_EXT
:
129 t
->pp_txfilter
|= R200_CLAMP_T_MIRROR_CLAMP_LAST
;
131 case GL_MIRROR_CLAMP_TO_BORDER_EXT
:
132 t
->pp_txfilter
|= R200_CLAMP_T_MIRROR_CLAMP_GL
;
133 is_clamp_to_border
= GL_TRUE
;
136 _mesa_problem(NULL
, "bad T wrap mode in %s", __FUNCTION__
);
140 t
->pp_txformat_x
&= ~R200_CLAMP_Q_MASK
;
144 t
->pp_txformat_x
|= R200_CLAMP_Q_WRAP
;
147 t
->pp_txformat_x
|= R200_CLAMP_Q_CLAMP_GL
;
150 case GL_CLAMP_TO_EDGE
:
151 t
->pp_txformat_x
|= R200_CLAMP_Q_CLAMP_LAST
;
153 case GL_CLAMP_TO_BORDER
:
154 t
->pp_txformat_x
|= R200_CLAMP_Q_CLAMP_GL
;
155 is_clamp_to_border
= GL_TRUE
;
157 case GL_MIRRORED_REPEAT
:
158 t
->pp_txformat_x
|= R200_CLAMP_Q_MIRROR
;
160 case GL_MIRROR_CLAMP_EXT
:
161 t
->pp_txformat_x
|= R200_CLAMP_Q_MIRROR_CLAMP_GL
;
164 case GL_MIRROR_CLAMP_TO_EDGE_EXT
:
165 t
->pp_txformat_x
|= R200_CLAMP_Q_MIRROR_CLAMP_LAST
;
167 case GL_MIRROR_CLAMP_TO_BORDER_EXT
:
168 t
->pp_txformat_x
|= R200_CLAMP_Q_MIRROR_CLAMP_GL
;
169 is_clamp_to_border
= GL_TRUE
;
172 _mesa_problem(NULL
, "bad R wrap mode in %s", __FUNCTION__
);
175 if ( is_clamp_to_border
) {
176 t
->pp_txfilter
|= R200_BORDER_MODE_D3D
;
179 t
->border_fallback
= (is_clamp
&& is_clamp_to_border
);
182 static void r200SetTexMaxAnisotropy( radeonTexObjPtr t
, GLfloat max
)
184 t
->pp_txfilter
&= ~R200_MAX_ANISO_MASK
;
187 t
->pp_txfilter
|= R200_MAX_ANISO_1_TO_1
;
188 } else if ( max
<= 2.0 ) {
189 t
->pp_txfilter
|= R200_MAX_ANISO_2_TO_1
;
190 } else if ( max
<= 4.0 ) {
191 t
->pp_txfilter
|= R200_MAX_ANISO_4_TO_1
;
192 } else if ( max
<= 8.0 ) {
193 t
->pp_txfilter
|= R200_MAX_ANISO_8_TO_1
;
195 t
->pp_txfilter
|= R200_MAX_ANISO_16_TO_1
;
200 * Set the texture magnification and minification modes.
202 * \param t Texture whose filter modes are to be set
203 * \param minf Texture minification mode
204 * \param magf Texture magnification mode
207 static void r200SetTexFilter( radeonTexObjPtr t
, GLenum minf
, GLenum magf
)
209 GLuint anisotropy
= (t
->pp_txfilter
& R200_MAX_ANISO_MASK
);
211 /* Force revalidation to account for switches from/to mipmapping. */
212 t
->validated
= GL_FALSE
;
214 t
->pp_txfilter
&= ~(R200_MIN_FILTER_MASK
| R200_MAG_FILTER_MASK
);
215 t
->pp_txformat_x
&= ~R200_VOLUME_FILTER_MASK
;
217 if ( anisotropy
== R200_MAX_ANISO_1_TO_1
) {
220 t
->pp_txfilter
|= R200_MIN_FILTER_NEAREST
;
223 t
->pp_txfilter
|= R200_MIN_FILTER_LINEAR
;
225 case GL_NEAREST_MIPMAP_NEAREST
:
226 t
->pp_txfilter
|= R200_MIN_FILTER_NEAREST_MIP_NEAREST
;
228 case GL_NEAREST_MIPMAP_LINEAR
:
229 t
->pp_txfilter
|= R200_MIN_FILTER_LINEAR_MIP_NEAREST
;
231 case GL_LINEAR_MIPMAP_NEAREST
:
232 t
->pp_txfilter
|= R200_MIN_FILTER_NEAREST_MIP_LINEAR
;
234 case GL_LINEAR_MIPMAP_LINEAR
:
235 t
->pp_txfilter
|= R200_MIN_FILTER_LINEAR_MIP_LINEAR
;
241 t
->pp_txfilter
|= R200_MIN_FILTER_ANISO_NEAREST
;
244 t
->pp_txfilter
|= R200_MIN_FILTER_ANISO_LINEAR
;
246 case GL_NEAREST_MIPMAP_NEAREST
:
247 case GL_LINEAR_MIPMAP_NEAREST
:
248 t
->pp_txfilter
|= R200_MIN_FILTER_ANISO_NEAREST_MIP_NEAREST
;
250 case GL_NEAREST_MIPMAP_LINEAR
:
251 case GL_LINEAR_MIPMAP_LINEAR
:
252 t
->pp_txfilter
|= R200_MIN_FILTER_ANISO_NEAREST_MIP_LINEAR
;
257 /* Note we don't have 3D mipmaps so only use the mag filter setting
258 * to set the 3D texture filter mode.
262 t
->pp_txfilter
|= R200_MAG_FILTER_NEAREST
;
263 t
->pp_txformat_x
|= R200_VOLUME_FILTER_NEAREST
;
266 t
->pp_txfilter
|= R200_MAG_FILTER_LINEAR
;
267 t
->pp_txformat_x
|= R200_VOLUME_FILTER_LINEAR
;
272 static void r200SetTexBorderColor( radeonTexObjPtr t
, const GLfloat color
[4] )
275 CLAMPED_FLOAT_TO_UBYTE(c
[0], color
[0]);
276 CLAMPED_FLOAT_TO_UBYTE(c
[1], color
[1]);
277 CLAMPED_FLOAT_TO_UBYTE(c
[2], color
[2]);
278 CLAMPED_FLOAT_TO_UBYTE(c
[3], color
[3]);
279 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
& RADEON_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
& (RADEON_STATE
|RADEON_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
->BorderColor
);
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 t
->validated
= GL_FALSE
;
397 static void r200DeleteTexture(GLcontext
* ctx
, struct gl_texture_object
*texObj
)
399 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
400 radeonTexObj
* t
= radeon_tex_obj(texObj
);
402 if (RADEON_DEBUG
& (RADEON_STATE
| RADEON_TEXTURE
)) {
403 fprintf(stderr
, "%s( %p (target = %s) )\n", __FUNCTION__
,
405 _mesa_lookup_enum_by_nr(texObj
->Target
));
410 radeon_firevertices(&rmesa
->radeon
);
411 for ( i
= 0 ; i
< rmesa
->radeon
.glCtx
->Const
.MaxTextureUnits
; i
++ ) {
412 if ( t
== rmesa
->state
.texture
.unit
[i
].texobj
) {
413 rmesa
->state
.texture
.unit
[i
].texobj
= NULL
;
414 rmesa
->hw
.tex
[i
].dirty
= GL_FALSE
;
415 rmesa
->hw
.cube
[i
].dirty
= GL_FALSE
;
420 radeon_miptree_unreference(&t
->mt
);
422 _mesa_delete_texture_object(ctx
, texObj
);
426 * - Same GEN_MODE for all active bits
427 * - Same EyePlane/ObjPlane for all active bits when using Eye/Obj
428 * - STRQ presumably all supported (matrix means incoming R values
429 * can end up in STQ, this has implications for vertex support,
430 * presumably ok if maos is used, though?)
432 * Basically impossible to do this on the fly - just collect some
433 * basic info & do the checks from ValidateState().
435 static void r200TexGen( GLcontext
*ctx
,
438 const GLfloat
*params
)
440 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
441 GLuint unit
= ctx
->Texture
.CurrentUnit
;
442 rmesa
->recheck_texgen
[unit
] = GL_TRUE
;
447 * Allocate a new texture object.
448 * Called via ctx->Driver.NewTextureObject.
449 * Note: this function will be called during context creation to
450 * allocate the default texture objects.
451 * Fixup MaxAnisotropy according to user preference.
453 static struct gl_texture_object
*r200NewTextureObject(GLcontext
* ctx
,
457 r200ContextPtr rmesa
= R200_CONTEXT(ctx
);
458 radeonTexObj
* t
= CALLOC_STRUCT(radeon_tex_obj
);
461 if (RADEON_DEBUG
& (RADEON_STATE
| RADEON_TEXTURE
)) {
462 fprintf(stderr
, "%s( %p (target = %s) )\n", __FUNCTION__
,
463 t
, _mesa_lookup_enum_by_nr(target
));
466 _mesa_initialize_texture_object(&t
->base
, name
, target
);
467 t
->base
.MaxAnisotropy
= rmesa
->radeon
.initialMaxAnisotropy
;
469 /* Initialize hardware state */
470 r200SetTexWrap( t
, t
->base
.WrapS
, t
->base
.WrapT
, t
->base
.WrapR
);
471 r200SetTexMaxAnisotropy( t
, t
->base
.MaxAnisotropy
);
472 r200SetTexFilter(t
, t
->base
.MinFilter
, t
->base
.MagFilter
);
473 r200SetTexBorderColor(t
, t
->base
.BorderColor
);
480 void r200InitTextureFuncs( struct dd_function_table
*functions
)
482 /* Note: we only plug in the functions we implement in the driver
483 * since _mesa_init_driver_functions() was already called.
485 functions
->ChooseTextureFormat
= radeonChooseTextureFormat_mesa
;
486 functions
->TexImage1D
= radeonTexImage1D
;
487 functions
->TexImage2D
= radeonTexImage2D
;
488 #if ENABLE_HW_3D_TEXTURE
489 functions
->TexImage3D
= radeonTexImage3D
;
491 functions
->TexImage3D
= _mesa_store_teximage3d
;
493 functions
->TexSubImage1D
= radeonTexSubImage1D
;
494 functions
->TexSubImage2D
= radeonTexSubImage2D
;
495 #if ENABLE_HW_3D_TEXTURE
496 functions
->TexSubImage3D
= radeonTexSubImage3D
;
498 functions
->TexSubImage3D
= _mesa_store_texsubimage3d
;
500 functions
->GetTexImage
= radeonGetTexImage
;
501 functions
->GetCompressedTexImage
= radeonGetCompressedTexImage
;
502 functions
->NewTextureObject
= r200NewTextureObject
;
503 // functions->BindTexture = r200BindTexture;
504 functions
->DeleteTexture
= r200DeleteTexture
;
505 functions
->IsTextureResident
= driIsTextureResident
;
507 functions
->TexEnv
= r200TexEnv
;
508 functions
->TexParameter
= r200TexParameter
;
509 functions
->TexGen
= r200TexGen
;
511 functions
->CompressedTexImage2D
= radeonCompressedTexImage2D
;
512 functions
->CompressedTexSubImage2D
= radeonCompressedTexSubImage2D
;
514 functions
->GenerateMipmap
= radeonGenerateMipmap
;
516 functions
->NewTextureImage
= radeonNewTextureImage
;
517 functions
->FreeTexImageData
= radeonFreeTexImageData
;
518 functions
->MapTexture
= radeonMapTexture
;
519 functions
->UnmapTexture
= radeonUnmapTexture
;
521 driInitTextureFormats();