1 /*
2 Copyright 2000, 2001 ATI Technologies Inc., Ontario, Canada, and
3 VA Linux Systems Inc., Fremont, California.
4
5 All Rights Reserved.
6
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:
14
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.
18
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.
26 */
27
28 /*
29 * Authors:
30 * Gareth Hughes <gareth@valinux.com>
31 * Brian Paul <brianp@valinux.com>
32 */
33
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/teximage.h"
43 #include "main/texobj.h"
44
45 #include "radeon_context.h"
46 #include "radeon_mipmap_tree.h"
47 #include "radeon_ioctl.h"
48 #include "radeon_tex.h"
49
50 #include "xmlpool.h"
51
52
53
54 /**
55 * Set the texture wrap modes.
56 *
57 * \param t Texture object whose wrap modes are to be set
58 * \param swrap Wrap mode for the \a s texture coordinate
59 * \param twrap Wrap mode for the \a t texture coordinate
60 */
61
radeonSetTexWrap(radeonTexObjPtr t,GLenum swrap,GLenum twrap)62 static void radeonSetTexWrap( radeonTexObjPtr t, GLenum swrap, GLenum twrap )
63 {
64 GLboolean is_clamp = GL_FALSE;
65 GLboolean is_clamp_to_border = GL_FALSE;
66
67 t->pp_txfilter &= ~(RADEON_CLAMP_S_MASK | RADEON_CLAMP_T_MASK | RADEON_BORDER_MODE_D3D);
68
69 switch ( swrap ) {
70 case GL_REPEAT:
71 t->pp_txfilter |= RADEON_CLAMP_S_WRAP;
72 break;
73 case GL_CLAMP:
74 t->pp_txfilter |= RADEON_CLAMP_S_CLAMP_GL;
75 is_clamp = GL_TRUE;
76 break;
77 case GL_CLAMP_TO_EDGE:
78 t->pp_txfilter |= RADEON_CLAMP_S_CLAMP_LAST;
79 break;
80 case GL_CLAMP_TO_BORDER:
81 t->pp_txfilter |= RADEON_CLAMP_S_CLAMP_GL;
82 is_clamp_to_border = GL_TRUE;
83 break;
84 case GL_MIRRORED_REPEAT:
85 t->pp_txfilter |= RADEON_CLAMP_S_MIRROR;
86 break;
87 case GL_MIRROR_CLAMP_EXT:
88 t->pp_txfilter |= RADEON_CLAMP_S_MIRROR_CLAMP_GL;
89 is_clamp = GL_TRUE;
90 break;
91 case GL_MIRROR_CLAMP_TO_EDGE_EXT:
92 t->pp_txfilter |= RADEON_CLAMP_S_MIRROR_CLAMP_LAST;
93 break;
94 case GL_MIRROR_CLAMP_TO_BORDER_EXT:
95 t->pp_txfilter |= RADEON_CLAMP_S_MIRROR_CLAMP_GL;
96 is_clamp_to_border = GL_TRUE;
97 break;
98 default:
99 _mesa_problem(NULL, "bad S wrap mode in %s", __FUNCTION__);
100 }
101
102 if (t->base.Target != GL_TEXTURE_1D) {
103 switch ( twrap ) {
104 case GL_REPEAT:
105 t->pp_txfilter |= RADEON_CLAMP_T_WRAP;
106 break;
107 case GL_CLAMP:
108 t->pp_txfilter |= RADEON_CLAMP_T_CLAMP_GL;
109 is_clamp = GL_TRUE;
110 break;
111 case GL_CLAMP_TO_EDGE:
112 t->pp_txfilter |= RADEON_CLAMP_T_CLAMP_LAST;
113 break;
114 case GL_CLAMP_TO_BORDER:
115 t->pp_txfilter |= RADEON_CLAMP_T_CLAMP_GL;
116 is_clamp_to_border = GL_TRUE;
117 break;
118 case GL_MIRRORED_REPEAT:
119 t->pp_txfilter |= RADEON_CLAMP_T_MIRROR;
120 break;
121 case GL_MIRROR_CLAMP_EXT:
122 t->pp_txfilter |= RADEON_CLAMP_T_MIRROR_CLAMP_GL;
123 is_clamp = GL_TRUE;
124 break;
125 case GL_MIRROR_CLAMP_TO_EDGE_EXT:
126 t->pp_txfilter |= RADEON_CLAMP_T_MIRROR_CLAMP_LAST;
127 break;
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;
131 break;
132 default:
133 _mesa_problem(NULL, "bad T wrap mode in %s", __FUNCTION__);
134 }
135 }
136
137 if ( is_clamp_to_border ) {
138 t->pp_txfilter |= RADEON_BORDER_MODE_D3D;
139 }
140
141 t->border_fallback = (is_clamp && is_clamp_to_border);
142 }
143
radeonSetTexMaxAnisotropy(radeonTexObjPtr t,GLfloat max)144 static void radeonSetTexMaxAnisotropy( radeonTexObjPtr t, GLfloat max )
145 {
146 t->pp_txfilter &= ~RADEON_MAX_ANISO_MASK;
147
148 if ( max == 1.0 ) {
149 t->pp_txfilter |= RADEON_MAX_ANISO_1_TO_1;
150 } else if ( max <= 2.0 ) {
151 t->pp_txfilter |= RADEON_MAX_ANISO_2_TO_1;
152 } else if ( max <= 4.0 ) {
153 t->pp_txfilter |= RADEON_MAX_ANISO_4_TO_1;
154 } else if ( max <= 8.0 ) {
155 t->pp_txfilter |= RADEON_MAX_ANISO_8_TO_1;
156 } else {
157 t->pp_txfilter |= RADEON_MAX_ANISO_16_TO_1;
158 }
159 }
160
161 /**
162 * Set the texture magnification and minification modes.
163 *
164 * \param t Texture whose filter modes are to be set
165 * \param minf Texture minification mode
166 * \param magf Texture magnification mode
167 */
168
radeonSetTexFilter(radeonTexObjPtr t,GLenum minf,GLenum magf)169 static void radeonSetTexFilter( radeonTexObjPtr t, GLenum minf, GLenum magf )
170 {
171 GLuint anisotropy = (t->pp_txfilter & RADEON_MAX_ANISO_MASK);
172
173 /* Force revalidation to account for switches from/to mipmapping. */
174 t->validated = GL_FALSE;
175
176 t->pp_txfilter &= ~(RADEON_MIN_FILTER_MASK | RADEON_MAG_FILTER_MASK);
177
178 /* r100 chips can't handle mipmaps/aniso for cubemap/volume textures */
179 if ( t->base.Target == GL_TEXTURE_CUBE_MAP ) {
180 switch ( minf ) {
181 case GL_NEAREST:
182 case GL_NEAREST_MIPMAP_NEAREST:
183 case GL_NEAREST_MIPMAP_LINEAR:
184 t->pp_txfilter |= RADEON_MIN_FILTER_NEAREST;
185 break;
186 case GL_LINEAR:
187 case GL_LINEAR_MIPMAP_NEAREST:
188 case GL_LINEAR_MIPMAP_LINEAR:
189 t->pp_txfilter |= RADEON_MIN_FILTER_LINEAR;
190 break;
191 default:
192 break;
193 }
194 }
195 else if ( anisotropy == RADEON_MAX_ANISO_1_TO_1 ) {
196 switch ( minf ) {
197 case GL_NEAREST:
198 t->pp_txfilter |= RADEON_MIN_FILTER_NEAREST;
199 break;
200 case GL_LINEAR:
201 t->pp_txfilter |= RADEON_MIN_FILTER_LINEAR;
202 break;
203 case GL_NEAREST_MIPMAP_NEAREST:
204 t->pp_txfilter |= RADEON_MIN_FILTER_NEAREST_MIP_NEAREST;
205 break;
206 case GL_NEAREST_MIPMAP_LINEAR:
207 t->pp_txfilter |= RADEON_MIN_FILTER_LINEAR_MIP_NEAREST;
208 break;
209 case GL_LINEAR_MIPMAP_NEAREST:
210 t->pp_txfilter |= RADEON_MIN_FILTER_NEAREST_MIP_LINEAR;
211 break;
212 case GL_LINEAR_MIPMAP_LINEAR:
213 t->pp_txfilter |= RADEON_MIN_FILTER_LINEAR_MIP_LINEAR;
214 break;
215 }
216 } else {
217 switch ( minf ) {
218 case GL_NEAREST:
219 t->pp_txfilter |= RADEON_MIN_FILTER_ANISO_NEAREST;
220 break;
221 case GL_LINEAR:
222 t->pp_txfilter |= RADEON_MIN_FILTER_ANISO_LINEAR;
223 break;
224 case GL_NEAREST_MIPMAP_NEAREST:
225 case GL_LINEAR_MIPMAP_NEAREST:
226 t->pp_txfilter |= RADEON_MIN_FILTER_ANISO_NEAREST_MIP_NEAREST;
227 break;
228 case GL_NEAREST_MIPMAP_LINEAR:
229 case GL_LINEAR_MIPMAP_LINEAR:
230 t->pp_txfilter |= RADEON_MIN_FILTER_ANISO_NEAREST_MIP_LINEAR;
231 break;
232 }
233 }
234
235 switch ( magf ) {
236 case GL_NEAREST:
237 t->pp_txfilter |= RADEON_MAG_FILTER_NEAREST;
238 break;
239 case GL_LINEAR:
240 t->pp_txfilter |= RADEON_MAG_FILTER_LINEAR;
241 break;
242 }
243 }
244
radeonSetTexBorderColor(radeonTexObjPtr t,const GLfloat color[4])245 static void radeonSetTexBorderColor( radeonTexObjPtr t, const GLfloat color[4] )
246 {
247 GLubyte c[4];
248 CLAMPED_FLOAT_TO_UBYTE(c[0], color[0]);
249 CLAMPED_FLOAT_TO_UBYTE(c[1], color[1]);
250 CLAMPED_FLOAT_TO_UBYTE(c[2], color[2]);
251 CLAMPED_FLOAT_TO_UBYTE(c[3], color[3]);
252 t->pp_border_color = radeonPackColor( 4, c[0], c[1], c[2], c[3] );
253 }
254
255 #define SCALED_FLOAT_TO_BYTE( x, scale ) \
256 (((GLuint)((255.0F / scale) * (x))) / 2)
257
radeonTexEnv(struct gl_context * ctx,GLenum target,GLenum pname,const GLfloat * param)258 static void radeonTexEnv( struct gl_context *ctx, GLenum target,
259 GLenum pname, const GLfloat *param )
260 {
261 r100ContextPtr rmesa = R100_CONTEXT(ctx);
262 GLuint unit = ctx->Texture.CurrentUnit;
263 struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
264
265 if ( RADEON_DEBUG & RADEON_STATE ) {
266 fprintf( stderr, "%s( %s )\n",
267 __FUNCTION__, _mesa_lookup_enum_by_nr( pname ) );
268 }
269
270 switch ( pname ) {
271 case GL_TEXTURE_ENV_COLOR: {
272 GLubyte c[4];
273 GLuint envColor;
274 _mesa_unclamped_float_rgba_to_ubyte(c, texUnit->EnvColor);
275 envColor = radeonPackColor( 4, c[0], c[1], c[2], c[3] );
276 if ( rmesa->hw.tex[unit].cmd[TEX_PP_TFACTOR] != envColor ) {
277 RADEON_STATECHANGE( rmesa, tex[unit] );
278 rmesa->hw.tex[unit].cmd[TEX_PP_TFACTOR] = envColor;
279 }
280 break;
281 }
282
283 case GL_TEXTURE_LOD_BIAS_EXT: {
284 GLfloat bias, min;
285 GLuint b;
286
287 /* The Radeon's LOD bias is a signed 2's complement value with a
288 * range of -1.0 <= bias < 4.0. We break this into two linear
289 * functions, one mapping [-1.0,0.0] to [-128,0] and one mapping
290 * [0.0,4.0] to [0,127].
291 */
292 min = driQueryOptionb (&rmesa->radeon.optionCache, "no_neg_lod_bias") ?
293 0.0 : -1.0;
294 bias = CLAMP( *param, min, 4.0 );
295 if ( bias == 0 ) {
296 b = 0;
297 } else if ( bias > 0 ) {
298 b = ((GLuint)SCALED_FLOAT_TO_BYTE( bias, 4.0 )) << RADEON_LOD_BIAS_SHIFT;
299 } else {
300 b = ((GLuint)SCALED_FLOAT_TO_BYTE( bias, 1.0 )) << RADEON_LOD_BIAS_SHIFT;
301 }
302 if ( (rmesa->hw.tex[unit].cmd[TEX_PP_TXFILTER] & RADEON_LOD_BIAS_MASK) != b ) {
303 RADEON_STATECHANGE( rmesa, tex[unit] );
304 rmesa->hw.tex[unit].cmd[TEX_PP_TXFILTER] &= ~RADEON_LOD_BIAS_MASK;
305 rmesa->hw.tex[unit].cmd[TEX_PP_TXFILTER] |= (b & RADEON_LOD_BIAS_MASK);
306 }
307 break;
308 }
309
310 default:
311 return;
312 }
313 }
314
radeonTexUpdateParameters(struct gl_context * ctx,GLuint unit)315 void radeonTexUpdateParameters(struct gl_context *ctx, GLuint unit)
316 {
317 struct gl_sampler_object *samp = _mesa_get_samplerobj(ctx, unit);
318 radeonTexObj* t = radeon_tex_obj(ctx->Texture.Unit[unit]._Current);
319
320 radeonSetTexMaxAnisotropy(t , samp->MaxAnisotropy);
321 radeonSetTexFilter(t, samp->MinFilter, samp->MagFilter);
322 radeonSetTexWrap(t, samp->WrapS, samp->WrapT);
323 radeonSetTexBorderColor(t, samp->BorderColor.f);
324 }
325
326
327 /**
328 * Changes variables and flags for a state update, which will happen at the
329 * next UpdateTextureState
330 */
331
radeonTexParameter(struct gl_context * ctx,GLenum target,struct gl_texture_object * texObj,GLenum pname,const GLfloat * params)332 static void radeonTexParameter( struct gl_context *ctx, GLenum target,
333 struct gl_texture_object *texObj,
334 GLenum pname, const GLfloat *params )
335 {
336 radeonTexObj* t = radeon_tex_obj(texObj);
337
338 radeon_print(RADEON_TEXTURE, RADEON_VERBOSE, "%s( %s )\n", __FUNCTION__,
339 _mesa_lookup_enum_by_nr( pname ) );
340
341 switch ( pname ) {
342 case GL_TEXTURE_BASE_LEVEL:
343 case GL_TEXTURE_MAX_LEVEL:
344 case GL_TEXTURE_MIN_LOD:
345 case GL_TEXTURE_MAX_LOD:
346 t->validated = GL_FALSE;
347 break;
348
349 default:
350 return;
351 }
352 }
353
radeonDeleteTexture(struct gl_context * ctx,struct gl_texture_object * texObj)354 static void radeonDeleteTexture( struct gl_context *ctx,
355 struct gl_texture_object *texObj )
356 {
357 r100ContextPtr rmesa = R100_CONTEXT(ctx);
358 radeonTexObj* t = radeon_tex_obj(texObj);
359 int i;
360
361 radeon_print(RADEON_TEXTURE, RADEON_NORMAL,
362 "%s( %p (target = %s) )\n", __FUNCTION__, (void *)texObj,
363 _mesa_lookup_enum_by_nr( texObj->Target ) );
364
365 if ( rmesa ) {
366 radeon_firevertices(&rmesa->radeon);
367 for ( i = 0 ; i < rmesa->radeon.glCtx->Const.MaxTextureUnits ; i++ ) {
368 if ( t == rmesa->state.texture.unit[i].texobj ) {
369 rmesa->state.texture.unit[i].texobj = NULL;
370 rmesa->hw.tex[i].dirty = GL_FALSE;
371 rmesa->hw.cube[i].dirty = GL_FALSE;
372 }
373 }
374 }
375
376 radeon_miptree_unreference(&t->mt);
377
378 /* Free mipmap images and the texture object itself */
379 _mesa_delete_texture_object(ctx, texObj);
380 }
381
382 /* Need:
383 * - Same GEN_MODE for all active bits
384 * - Same EyePlane/ObjPlane for all active bits when using Eye/Obj
385 * - STRQ presumably all supported (matrix means incoming R values
386 * can end up in STQ, this has implications for vertex support,
387 * presumably ok if maos is used, though?)
388 *
389 * Basically impossible to do this on the fly - just collect some
390 * basic info & do the checks from ValidateState().
391 */
radeonTexGen(struct gl_context * ctx,GLenum coord,GLenum pname,const GLfloat * params)392 static void radeonTexGen( struct gl_context *ctx,
393 GLenum coord,
394 GLenum pname,
395 const GLfloat *params )
396 {
397 r100ContextPtr rmesa = R100_CONTEXT(ctx);
398 GLuint unit = ctx->Texture.CurrentUnit;
399 rmesa->recheck_texgen[unit] = GL_TRUE;
400 }
401
402 /**
403 * Allocate a new texture object.
404 * Called via ctx->Driver.NewTextureObject.
405 * Note: we could use containment here to 'derive' the driver-specific
406 * texture object from the core mesa gl_texture_object. Not done at this time.
407 */
408 static struct gl_texture_object *
radeonNewTextureObject(struct gl_context * ctx,GLuint name,GLenum target)409 radeonNewTextureObject( struct gl_context *ctx, GLuint name, GLenum target )
410 {
411 r100ContextPtr rmesa = R100_CONTEXT(ctx);
412 radeonTexObj* t = CALLOC_STRUCT(radeon_tex_obj);
413
414 _mesa_initialize_texture_object(&t->base, name, target);
415 t->base.Sampler.MaxAnisotropy = rmesa->radeon.initialMaxAnisotropy;
416
417 t->border_fallback = GL_FALSE;
418
419 t->pp_txfilter = RADEON_BORDER_MODE_OGL;
420 t->pp_txformat = (RADEON_TXFORMAT_ENDIAN_NO_SWAP |
421 RADEON_TXFORMAT_PERSPECTIVE_ENABLE);
422
423 radeonSetTexWrap( t, t->base.Sampler.WrapS, t->base.Sampler.WrapT );
424 radeonSetTexMaxAnisotropy( t, t->base.Sampler.MaxAnisotropy );
425 radeonSetTexFilter( t, t->base.Sampler.MinFilter, t->base.Sampler.MagFilter );
426 radeonSetTexBorderColor( t, t->base.Sampler.BorderColor.f );
427 return &t->base;
428 }
429
430
431 static struct gl_sampler_object *
radeonNewSamplerObject(struct gl_context * ctx,GLuint name)432 radeonNewSamplerObject(struct gl_context *ctx, GLuint name)
433 {
434 r100ContextPtr rmesa = R100_CONTEXT(ctx);
435 struct gl_sampler_object *samp = _mesa_new_sampler_object(ctx, name);
436 if (samp)
437 samp->MaxAnisotropy = rmesa->radeon.initialMaxAnisotropy;
438 return samp;
439 }
440
441
radeonInitTextureFuncs(radeonContextPtr radeon,struct dd_function_table * functions)442 void radeonInitTextureFuncs( radeonContextPtr radeon, struct dd_function_table *functions )
443 {
444 radeon_init_common_texture_funcs(radeon, functions);
445
446 functions->NewTextureObject = radeonNewTextureObject;
447 // functions->BindTexture = radeonBindTexture;
448 functions->DeleteTexture = radeonDeleteTexture;
449
450 functions->TexEnv = radeonTexEnv;
451 functions->TexParameter = radeonTexParameter;
452 functions->TexGen = radeonTexGen;
453 functions->NewSamplerObject = radeonNewSamplerObject;
454 }
455