2 Copyright 2000, 2001 ATI Technologies Inc., Ontario, Canada, and
3 VA Linux Systems Inc., Fremont, California.
7 Permission is hereby granted, free of charge, to any person obtaining
8 a copy of this software and associated documentation files (the
9 "Software"), to deal in the Software without restriction, including
10 without limitation the rights to use, copy, modify, merge, publish,
11 distribute, sublicense, and/or sell copies of the Software, and to
12 permit persons to whom the Software is furnished to do so, subject to
13 the following conditions:
15 The above copyright notice and this permission notice (including the
16 next paragraph) shall be included in all copies or substantial
17 portions of the Software.
19 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
20 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
21 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
22 IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
23 LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
24 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
25 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
30 * Gareth Hughes <gareth@valinux.com>
31 * Brian Paul <brianp@valinux.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/mfeatures.h"
41 #include "main/simple_list.h"
42 #include "main/texstore.h"
43 #include "main/teximage.h"
44 #include "main/texobj.h"
46 #include "radeon_context.h"
47 #include "radeon_mipmap_tree.h"
48 #include "radeon_ioctl.h"
49 #include "radeon_tex.h"
56 * Set the texture wrap modes.
58 * \param t Texture object whose wrap modes are to be set
59 * \param swrap Wrap mode for the \a s texture coordinate
60 * \param twrap Wrap mode for the \a t texture coordinate
63 static void radeonSetTexWrap( radeonTexObjPtr t
, GLenum swrap
, GLenum twrap
)
65 GLboolean is_clamp
= GL_FALSE
;
66 GLboolean is_clamp_to_border
= GL_FALSE
;
68 t
->pp_txfilter
&= ~(RADEON_CLAMP_S_MASK
| RADEON_CLAMP_T_MASK
| RADEON_BORDER_MODE_D3D
);
72 t
->pp_txfilter
|= RADEON_CLAMP_S_WRAP
;
75 t
->pp_txfilter
|= RADEON_CLAMP_S_CLAMP_GL
;
78 case GL_CLAMP_TO_EDGE
:
79 t
->pp_txfilter
|= RADEON_CLAMP_S_CLAMP_LAST
;
81 case GL_CLAMP_TO_BORDER
:
82 t
->pp_txfilter
|= RADEON_CLAMP_S_CLAMP_GL
;
83 is_clamp_to_border
= GL_TRUE
;
85 case GL_MIRRORED_REPEAT
:
86 t
->pp_txfilter
|= RADEON_CLAMP_S_MIRROR
;
88 case GL_MIRROR_CLAMP_EXT
:
89 t
->pp_txfilter
|= RADEON_CLAMP_S_MIRROR_CLAMP_GL
;
92 case GL_MIRROR_CLAMP_TO_EDGE_EXT
:
93 t
->pp_txfilter
|= RADEON_CLAMP_S_MIRROR_CLAMP_LAST
;
95 case GL_MIRROR_CLAMP_TO_BORDER_EXT
:
96 t
->pp_txfilter
|= RADEON_CLAMP_S_MIRROR_CLAMP_GL
;
97 is_clamp_to_border
= GL_TRUE
;
100 _mesa_problem(NULL
, "bad S wrap mode in %s", __FUNCTION__
);
105 t
->pp_txfilter
|= RADEON_CLAMP_T_WRAP
;
108 t
->pp_txfilter
|= RADEON_CLAMP_T_CLAMP_GL
;
111 case GL_CLAMP_TO_EDGE
:
112 t
->pp_txfilter
|= RADEON_CLAMP_T_CLAMP_LAST
;
114 case GL_CLAMP_TO_BORDER
:
115 t
->pp_txfilter
|= RADEON_CLAMP_T_CLAMP_GL
;
116 is_clamp_to_border
= GL_TRUE
;
118 case GL_MIRRORED_REPEAT
:
119 t
->pp_txfilter
|= RADEON_CLAMP_T_MIRROR
;
121 case GL_MIRROR_CLAMP_EXT
:
122 t
->pp_txfilter
|= RADEON_CLAMP_T_MIRROR_CLAMP_GL
;
125 case GL_MIRROR_CLAMP_TO_EDGE_EXT
:
126 t
->pp_txfilter
|= RADEON_CLAMP_T_MIRROR_CLAMP_LAST
;
128 case GL_MIRROR_CLAMP_TO_BORDER_EXT
:
129 t
->pp_txfilter
|= RADEON_CLAMP_T_MIRROR_CLAMP_GL
;
130 is_clamp_to_border
= GL_TRUE
;
133 _mesa_problem(NULL
, "bad T wrap mode in %s", __FUNCTION__
);
136 if ( is_clamp_to_border
) {
137 t
->pp_txfilter
|= RADEON_BORDER_MODE_D3D
;
140 t
->border_fallback
= (is_clamp
&& is_clamp_to_border
);
143 static void radeonSetTexMaxAnisotropy( radeonTexObjPtr t
, GLfloat max
)
145 t
->pp_txfilter
&= ~RADEON_MAX_ANISO_MASK
;
148 t
->pp_txfilter
|= RADEON_MAX_ANISO_1_TO_1
;
149 } else if ( max
<= 2.0 ) {
150 t
->pp_txfilter
|= RADEON_MAX_ANISO_2_TO_1
;
151 } else if ( max
<= 4.0 ) {
152 t
->pp_txfilter
|= RADEON_MAX_ANISO_4_TO_1
;
153 } else if ( max
<= 8.0 ) {
154 t
->pp_txfilter
|= RADEON_MAX_ANISO_8_TO_1
;
156 t
->pp_txfilter
|= RADEON_MAX_ANISO_16_TO_1
;
161 * Set the texture magnification and minification modes.
163 * \param t Texture whose filter modes are to be set
164 * \param minf Texture minification mode
165 * \param magf Texture magnification mode
168 static void radeonSetTexFilter( radeonTexObjPtr t
, GLenum minf
, GLenum magf
)
170 GLuint anisotropy
= (t
->pp_txfilter
& RADEON_MAX_ANISO_MASK
);
172 /* Force revalidation to account for switches from/to mipmapping. */
173 t
->validated
= GL_FALSE
;
175 t
->pp_txfilter
&= ~(RADEON_MIN_FILTER_MASK
| RADEON_MAG_FILTER_MASK
);
177 /* r100 chips can't handle mipmaps/aniso for cubemap/volume textures */
178 if ( t
->base
.Target
== GL_TEXTURE_CUBE_MAP
) {
181 case GL_NEAREST_MIPMAP_NEAREST
:
182 case GL_NEAREST_MIPMAP_LINEAR
:
183 t
->pp_txfilter
|= RADEON_MIN_FILTER_NEAREST
;
186 case GL_LINEAR_MIPMAP_NEAREST
:
187 case GL_LINEAR_MIPMAP_LINEAR
:
188 t
->pp_txfilter
|= RADEON_MIN_FILTER_LINEAR
;
194 else if ( anisotropy
== RADEON_MAX_ANISO_1_TO_1
) {
197 t
->pp_txfilter
|= RADEON_MIN_FILTER_NEAREST
;
200 t
->pp_txfilter
|= RADEON_MIN_FILTER_LINEAR
;
202 case GL_NEAREST_MIPMAP_NEAREST
:
203 t
->pp_txfilter
|= RADEON_MIN_FILTER_NEAREST_MIP_NEAREST
;
205 case GL_NEAREST_MIPMAP_LINEAR
:
206 t
->pp_txfilter
|= RADEON_MIN_FILTER_LINEAR_MIP_NEAREST
;
208 case GL_LINEAR_MIPMAP_NEAREST
:
209 t
->pp_txfilter
|= RADEON_MIN_FILTER_NEAREST_MIP_LINEAR
;
211 case GL_LINEAR_MIPMAP_LINEAR
:
212 t
->pp_txfilter
|= RADEON_MIN_FILTER_LINEAR_MIP_LINEAR
;
218 t
->pp_txfilter
|= RADEON_MIN_FILTER_ANISO_NEAREST
;
221 t
->pp_txfilter
|= RADEON_MIN_FILTER_ANISO_LINEAR
;
223 case GL_NEAREST_MIPMAP_NEAREST
:
224 case GL_LINEAR_MIPMAP_NEAREST
:
225 t
->pp_txfilter
|= RADEON_MIN_FILTER_ANISO_NEAREST_MIP_NEAREST
;
227 case GL_NEAREST_MIPMAP_LINEAR
:
228 case GL_LINEAR_MIPMAP_LINEAR
:
229 t
->pp_txfilter
|= RADEON_MIN_FILTER_ANISO_NEAREST_MIP_LINEAR
;
236 t
->pp_txfilter
|= RADEON_MAG_FILTER_NEAREST
;
239 t
->pp_txfilter
|= RADEON_MAG_FILTER_LINEAR
;
244 static void radeonSetTexBorderColor( radeonTexObjPtr t
, const GLfloat color
[4] )
247 CLAMPED_FLOAT_TO_UBYTE(c
[0], color
[0]);
248 CLAMPED_FLOAT_TO_UBYTE(c
[1], color
[1]);
249 CLAMPED_FLOAT_TO_UBYTE(c
[2], color
[2]);
250 CLAMPED_FLOAT_TO_UBYTE(c
[3], color
[3]);
251 t
->pp_border_color
= radeonPackColor( 4, c
[0], c
[1], c
[2], c
[3] );
254 #define SCALED_FLOAT_TO_BYTE( x, scale ) \
255 (((GLuint)((255.0F / scale) * (x))) / 2)
257 static void radeonTexEnv( struct gl_context
*ctx
, GLenum target
,
258 GLenum pname
, const GLfloat
*param
)
260 r100ContextPtr rmesa
= R100_CONTEXT(ctx
);
261 GLuint unit
= ctx
->Texture
.CurrentUnit
;
262 struct gl_texture_unit
*texUnit
= &ctx
->Texture
.Unit
[unit
];
264 if ( RADEON_DEBUG
& RADEON_STATE
) {
265 fprintf( stderr
, "%s( %s )\n",
266 __FUNCTION__
, _mesa_lookup_enum_by_nr( pname
) );
270 case GL_TEXTURE_ENV_COLOR
: {
273 _mesa_unclamped_float_rgba_to_ubyte(c
, texUnit
->EnvColor
);
274 envColor
= radeonPackColor( 4, c
[0], c
[1], c
[2], c
[3] );
275 if ( rmesa
->hw
.tex
[unit
].cmd
[TEX_PP_TFACTOR
] != envColor
) {
276 RADEON_STATECHANGE( rmesa
, tex
[unit
] );
277 rmesa
->hw
.tex
[unit
].cmd
[TEX_PP_TFACTOR
] = envColor
;
282 case GL_TEXTURE_LOD_BIAS_EXT
: {
286 /* The Radeon's LOD bias is a signed 2's complement value with a
287 * range of -1.0 <= bias < 4.0. We break this into two linear
288 * functions, one mapping [-1.0,0.0] to [-128,0] and one mapping
289 * [0.0,4.0] to [0,127].
291 min
= driQueryOptionb (&rmesa
->radeon
.optionCache
, "no_neg_lod_bias") ?
293 bias
= CLAMP( *param
, min
, 4.0 );
296 } else if ( bias
> 0 ) {
297 b
= ((GLuint
)SCALED_FLOAT_TO_BYTE( bias
, 4.0 )) << RADEON_LOD_BIAS_SHIFT
;
299 b
= ((GLuint
)SCALED_FLOAT_TO_BYTE( bias
, 1.0 )) << RADEON_LOD_BIAS_SHIFT
;
301 if ( (rmesa
->hw
.tex
[unit
].cmd
[TEX_PP_TXFILTER
] & RADEON_LOD_BIAS_MASK
) != b
) {
302 RADEON_STATECHANGE( rmesa
, tex
[unit
] );
303 rmesa
->hw
.tex
[unit
].cmd
[TEX_PP_TXFILTER
] &= ~RADEON_LOD_BIAS_MASK
;
304 rmesa
->hw
.tex
[unit
].cmd
[TEX_PP_TXFILTER
] |= (b
& RADEON_LOD_BIAS_MASK
);
316 * Changes variables and flags for a state update, which will happen at the
317 * next UpdateTextureState
320 static void radeonTexParameter( struct gl_context
*ctx
, GLenum target
,
321 struct gl_texture_object
*texObj
,
322 GLenum pname
, const GLfloat
*params
)
324 radeonTexObj
* t
= radeon_tex_obj(texObj
);
326 radeon_print(RADEON_TEXTURE
, RADEON_VERBOSE
, "%s( %s )\n", __FUNCTION__
,
327 _mesa_lookup_enum_by_nr( pname
) );
330 case GL_TEXTURE_MIN_FILTER
:
331 case GL_TEXTURE_MAG_FILTER
:
332 case GL_TEXTURE_MAX_ANISOTROPY_EXT
:
333 radeonSetTexMaxAnisotropy( t
, texObj
->Sampler
.MaxAnisotropy
);
334 radeonSetTexFilter( t
, texObj
->Sampler
.MinFilter
, texObj
->Sampler
.MagFilter
);
337 case GL_TEXTURE_WRAP_S
:
338 case GL_TEXTURE_WRAP_T
:
339 radeonSetTexWrap( t
, texObj
->Sampler
.WrapS
, texObj
->Sampler
.WrapT
);
342 case GL_TEXTURE_BORDER_COLOR
:
343 radeonSetTexBorderColor( t
, texObj
->Sampler
.BorderColor
.f
);
346 case GL_TEXTURE_BASE_LEVEL
:
347 case GL_TEXTURE_MAX_LEVEL
:
348 case GL_TEXTURE_MIN_LOD
:
349 case GL_TEXTURE_MAX_LOD
:
350 t
->validated
= GL_FALSE
;
358 static void radeonDeleteTexture( struct gl_context
*ctx
,
359 struct gl_texture_object
*texObj
)
361 r100ContextPtr rmesa
= R100_CONTEXT(ctx
);
362 radeonTexObj
* t
= radeon_tex_obj(texObj
);
365 radeon_print(RADEON_TEXTURE
, RADEON_NORMAL
,
366 "%s( %p (target = %s) )\n", __FUNCTION__
, (void *)texObj
,
367 _mesa_lookup_enum_by_nr( texObj
->Target
) );
370 radeon_firevertices(&rmesa
->radeon
);
371 for ( i
= 0 ; i
< rmesa
->radeon
.glCtx
->Const
.MaxTextureUnits
; i
++ ) {
372 if ( t
== rmesa
->state
.texture
.unit
[i
].texobj
) {
373 rmesa
->state
.texture
.unit
[i
].texobj
= NULL
;
374 rmesa
->hw
.tex
[i
].dirty
= GL_FALSE
;
375 rmesa
->hw
.cube
[i
].dirty
= GL_FALSE
;
380 radeon_miptree_unreference(&t
->mt
);
382 /* Free mipmap images and the texture object itself */
383 _mesa_delete_texture_object(ctx
, texObj
);
387 * - Same GEN_MODE for all active bits
388 * - Same EyePlane/ObjPlane for all active bits when using Eye/Obj
389 * - STRQ presumably all supported (matrix means incoming R values
390 * can end up in STQ, this has implications for vertex support,
391 * presumably ok if maos is used, though?)
393 * Basically impossible to do this on the fly - just collect some
394 * basic info & do the checks from ValidateState().
396 static void radeonTexGen( struct gl_context
*ctx
,
399 const GLfloat
*params
)
401 r100ContextPtr rmesa
= R100_CONTEXT(ctx
);
402 GLuint unit
= ctx
->Texture
.CurrentUnit
;
403 rmesa
->recheck_texgen
[unit
] = GL_TRUE
;
407 * Allocate a new texture object.
408 * Called via ctx->Driver.NewTextureObject.
409 * Note: we could use containment here to 'derive' the driver-specific
410 * texture object from the core mesa gl_texture_object. Not done at this time.
412 static struct gl_texture_object
*
413 radeonNewTextureObject( struct gl_context
*ctx
, GLuint name
, GLenum target
)
415 r100ContextPtr rmesa
= R100_CONTEXT(ctx
);
416 radeonTexObj
* t
= CALLOC_STRUCT(radeon_tex_obj
);
418 _mesa_initialize_texture_object(&t
->base
, name
, target
);
419 t
->base
.Sampler
.MaxAnisotropy
= rmesa
->radeon
.initialMaxAnisotropy
;
421 t
->border_fallback
= GL_FALSE
;
423 t
->pp_txfilter
= RADEON_BORDER_MODE_OGL
;
424 t
->pp_txformat
= (RADEON_TXFORMAT_ENDIAN_NO_SWAP
|
425 RADEON_TXFORMAT_PERSPECTIVE_ENABLE
);
427 radeonSetTexWrap( t
, t
->base
.Sampler
.WrapS
, t
->base
.Sampler
.WrapT
);
428 radeonSetTexMaxAnisotropy( t
, t
->base
.Sampler
.MaxAnisotropy
);
429 radeonSetTexFilter( t
, t
->base
.Sampler
.MinFilter
, t
->base
.Sampler
.MagFilter
);
430 radeonSetTexBorderColor( t
, t
->base
.Sampler
.BorderColor
.f
);
436 void radeonInitTextureFuncs( radeonContextPtr radeon
, struct dd_function_table
*functions
)
438 radeon_init_common_texture_funcs(radeon
, functions
);
440 functions
->NewTextureObject
= radeonNewTextureObject
;
441 // functions->BindTexture = radeonBindTexture;
442 functions
->DeleteTexture
= radeonDeleteTexture
;
444 functions
->TexEnv
= radeonTexEnv
;
445 functions
->TexParameter
= radeonTexParameter
;
446 functions
->TexGen
= radeonTexGen
;