1 /* $Id: attrib.c,v 1.3 1999/09/18 20:41:22 keithw Exp $ */
4 * Mesa 3-D graphics library
7 * Copyright (C) 1999 Brian Paul All Rights Reserved.
9 * Permission is hereby granted, free of charge, to any person obtaining a
10 * copy of this software and associated documentation files (the "Software"),
11 * to deal in the Software without restriction, including without limitation
12 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
13 * and/or sell copies of the Software, and to permit persons to whom the
14 * Software is furnished to do so, subject to the following conditions:
16 * The above copyright notice and this permission notice shall be included
17 * in all copies or substantial portions of the Software.
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
20 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
22 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
23 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
24 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
43 #include "simple_list.h"
48 #include "GL/xf86glx.h"
53 #define MALLOC_STRUCT(T) (struct T *) malloc( sizeof(struct T) )
58 * Allocate a new attribute state node. These nodes have a
59 * "kind" value and a pointer to a struct of state data.
61 static struct gl_attrib_node
*new_attrib_node( GLbitfield kind
)
63 struct gl_attrib_node
*an
;
65 an
= (struct gl_attrib_node
*) malloc( sizeof(struct gl_attrib_node
) );
75 * Copy texture object state from one texture object to another.
77 static void copy_texobj_state( struct gl_texture_object
*dest
,
78 const struct gl_texture_object
*src
)
81 dest->Name = src->Name;
82 dest->Dimensions = src->Dimensions;
84 dest
->Priority
= src
->Priority
;
85 dest
->BorderColor
[0] = src
->BorderColor
[0];
86 dest
->BorderColor
[1] = src
->BorderColor
[1];
87 dest
->BorderColor
[2] = src
->BorderColor
[2];
88 dest
->BorderColor
[3] = src
->BorderColor
[3];
89 dest
->WrapS
= src
->WrapS
;
90 dest
->WrapT
= src
->WrapT
;
91 dest
->WrapR
= src
->WrapR
;
92 dest
->MinFilter
= src
->MinFilter
;
93 dest
->MagFilter
= src
->MagFilter
;
94 dest
->MinLod
= src
->MinLod
;
95 dest
->MaxLod
= src
->MaxLod
;
96 dest
->BaseLevel
= src
->BaseLevel
;
97 dest
->MaxLevel
= src
->MaxLevel
;
100 dest
->MinMagThresh
= src
->MinMagThresh
;
101 memcpy( dest
->Palette
, src
->Palette
,
102 sizeof(GLubyte
) * MAX_TEXTURE_PALETTE_SIZE
* 4 );
103 dest
->PaletteSize
= src
->PaletteSize
;
104 dest
->PaletteIntFormat
= src
->PaletteIntFormat
;
105 dest
->PaletteFormat
= src
->PaletteFormat
;
106 dest
->Complete
= src
->Complete
;
107 dest
->SampleFunc
= src
->SampleFunc
;
112 void gl_PushAttrib( GLcontext
* ctx
, GLbitfield mask
)
114 struct gl_attrib_node
*newnode
;
115 struct gl_attrib_node
*head
;
117 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
, "glPushAttrib");
119 if (MESA_VERBOSE
&VERBOSE_API
)
120 fprintf(stderr
, "glPushAttrib %x\n", mask
);
122 if (ctx
->AttribStackDepth
>=MAX_ATTRIB_STACK_DEPTH
) {
123 gl_error( ctx
, GL_STACK_OVERFLOW
, "glPushAttrib" );
127 /* Build linked list of attribute nodes which save all attribute */
128 /* groups specified by the mask. */
131 if (mask
& GL_ACCUM_BUFFER_BIT
) {
132 struct gl_accum_attrib
*attr
;
133 attr
= MALLOC_STRUCT( gl_accum_attrib
);
134 MEMCPY( attr
, &ctx
->Accum
, sizeof(struct gl_accum_attrib
) );
135 newnode
= new_attrib_node( GL_ACCUM_BUFFER_BIT
);
136 newnode
->data
= attr
;
137 newnode
->next
= head
;
141 if (mask
& GL_COLOR_BUFFER_BIT
) {
142 struct gl_colorbuffer_attrib
*attr
;
143 attr
= MALLOC_STRUCT( gl_colorbuffer_attrib
);
144 MEMCPY( attr
, &ctx
->Color
, sizeof(struct gl_colorbuffer_attrib
) );
145 newnode
= new_attrib_node( GL_COLOR_BUFFER_BIT
);
146 newnode
->data
= attr
;
147 newnode
->next
= head
;
151 if (mask
& GL_CURRENT_BIT
) {
152 struct gl_current_attrib
*attr
;
153 attr
= MALLOC_STRUCT( gl_current_attrib
);
154 MEMCPY( attr
, &ctx
->Current
, sizeof(struct gl_current_attrib
) );
155 newnode
= new_attrib_node( GL_CURRENT_BIT
);
156 newnode
->data
= attr
;
157 newnode
->next
= head
;
161 if (mask
& GL_DEPTH_BUFFER_BIT
) {
162 struct gl_depthbuffer_attrib
*attr
;
163 attr
= MALLOC_STRUCT( gl_depthbuffer_attrib
);
164 MEMCPY( attr
, &ctx
->Depth
, sizeof(struct gl_depthbuffer_attrib
) );
165 newnode
= new_attrib_node( GL_DEPTH_BUFFER_BIT
);
166 newnode
->data
= attr
;
167 newnode
->next
= head
;
171 if (mask
& GL_ENABLE_BIT
) {
172 struct gl_enable_attrib
*attr
;
174 attr
= MALLOC_STRUCT( gl_enable_attrib
);
175 /* Copy enable flags from all other attributes into the enable struct. */
176 attr
->AlphaTest
= ctx
->Color
.AlphaEnabled
;
177 attr
->AutoNormal
= ctx
->Eval
.AutoNormal
;
178 attr
->Blend
= ctx
->Color
.BlendEnabled
;
179 for (i
=0;i
<MAX_CLIP_PLANES
;i
++) {
180 attr
->ClipPlane
[i
] = ctx
->Transform
.ClipEnabled
[i
];
182 attr
->ColorMaterial
= ctx
->Light
.ColorMaterialEnabled
;
183 attr
->CullFace
= ctx
->Polygon
.CullFlag
;
184 attr
->DepthTest
= ctx
->Depth
.Test
;
185 attr
->Dither
= ctx
->Color
.DitherFlag
;
186 attr
->Fog
= ctx
->Fog
.Enabled
;
187 for (i
=0;i
<MAX_LIGHTS
;i
++) {
188 attr
->Light
[i
] = ctx
->Light
.Light
[i
].Enabled
;
190 attr
->Lighting
= ctx
->Light
.Enabled
;
191 attr
->LineSmooth
= ctx
->Line
.SmoothFlag
;
192 attr
->LineStipple
= ctx
->Line
.StippleFlag
;
193 attr
->IndexLogicOp
= ctx
->Color
.IndexLogicOpEnabled
;
194 attr
->ColorLogicOp
= ctx
->Color
.ColorLogicOpEnabled
;
195 attr
->Map1Color4
= ctx
->Eval
.Map1Color4
;
196 attr
->Map1Index
= ctx
->Eval
.Map1Index
;
197 attr
->Map1Normal
= ctx
->Eval
.Map1Normal
;
198 attr
->Map1TextureCoord1
= ctx
->Eval
.Map1TextureCoord1
;
199 attr
->Map1TextureCoord2
= ctx
->Eval
.Map1TextureCoord2
;
200 attr
->Map1TextureCoord3
= ctx
->Eval
.Map1TextureCoord3
;
201 attr
->Map1TextureCoord4
= ctx
->Eval
.Map1TextureCoord4
;
202 attr
->Map1Vertex3
= ctx
->Eval
.Map1Vertex3
;
203 attr
->Map1Vertex4
= ctx
->Eval
.Map1Vertex4
;
204 attr
->Map2Color4
= ctx
->Eval
.Map2Color4
;
205 attr
->Map2Index
= ctx
->Eval
.Map2Index
;
206 attr
->Map2Normal
= ctx
->Eval
.Map2Normal
;
207 attr
->Map2TextureCoord1
= ctx
->Eval
.Map2TextureCoord1
;
208 attr
->Map2TextureCoord2
= ctx
->Eval
.Map2TextureCoord2
;
209 attr
->Map2TextureCoord3
= ctx
->Eval
.Map2TextureCoord3
;
210 attr
->Map2TextureCoord4
= ctx
->Eval
.Map2TextureCoord4
;
211 attr
->Map2Vertex3
= ctx
->Eval
.Map2Vertex3
;
212 attr
->Map2Vertex4
= ctx
->Eval
.Map2Vertex4
;
213 attr
->Normalize
= ctx
->Transform
.Normalize
;
214 attr
->PointSmooth
= ctx
->Point
.SmoothFlag
;
215 attr
->PolygonOffsetPoint
= ctx
->Polygon
.OffsetPoint
;
216 attr
->PolygonOffsetLine
= ctx
->Polygon
.OffsetLine
;
217 attr
->PolygonOffsetFill
= ctx
->Polygon
.OffsetFill
;
218 attr
->PolygonSmooth
= ctx
->Polygon
.SmoothFlag
;
219 attr
->PolygonStipple
= ctx
->Polygon
.StippleFlag
;
220 attr
->RescaleNormals
= ctx
->Transform
.RescaleNormals
;
221 attr
->Scissor
= ctx
->Scissor
.Enabled
;
222 attr
->Stencil
= ctx
->Stencil
.Enabled
;
223 attr
->Texture
= ctx
->Texture
.Enabled
;
224 for (i
=0; i
<MAX_TEXTURE_UNITS
; i
++) {
225 attr
->TexGen
[i
] = ctx
->Texture
.Unit
[i
].TexGenEnabled
;
227 newnode
= new_attrib_node( GL_ENABLE_BIT
);
228 newnode
->data
= attr
;
229 newnode
->next
= head
;
233 if (mask
& GL_EVAL_BIT
) {
234 struct gl_eval_attrib
*attr
;
235 attr
= MALLOC_STRUCT( gl_eval_attrib
);
236 MEMCPY( attr
, &ctx
->Eval
, sizeof(struct gl_eval_attrib
) );
237 newnode
= new_attrib_node( GL_EVAL_BIT
);
238 newnode
->data
= attr
;
239 newnode
->next
= head
;
243 if (mask
& GL_FOG_BIT
) {
244 struct gl_fog_attrib
*attr
;
245 attr
= MALLOC_STRUCT( gl_fog_attrib
);
246 MEMCPY( attr
, &ctx
->Fog
, sizeof(struct gl_fog_attrib
) );
247 newnode
= new_attrib_node( GL_FOG_BIT
);
248 newnode
->data
= attr
;
249 newnode
->next
= head
;
253 if (mask
& GL_HINT_BIT
) {
254 struct gl_hint_attrib
*attr
;
255 attr
= MALLOC_STRUCT( gl_hint_attrib
);
256 MEMCPY( attr
, &ctx
->Hint
, sizeof(struct gl_hint_attrib
) );
257 newnode
= new_attrib_node( GL_HINT_BIT
);
258 newnode
->data
= attr
;
259 newnode
->next
= head
;
263 if (mask
& GL_LIGHTING_BIT
) {
264 struct gl_light_attrib
*attr
;
265 attr
= MALLOC_STRUCT( gl_light_attrib
);
266 MEMCPY( attr
, &ctx
->Light
, sizeof(struct gl_light_attrib
) );
267 newnode
= new_attrib_node( GL_LIGHTING_BIT
);
268 newnode
->data
= attr
;
269 newnode
->next
= head
;
273 if (mask
& GL_LINE_BIT
) {
274 struct gl_line_attrib
*attr
;
275 attr
= MALLOC_STRUCT( gl_line_attrib
);
276 MEMCPY( attr
, &ctx
->Line
, sizeof(struct gl_line_attrib
) );
277 newnode
= new_attrib_node( GL_LINE_BIT
);
278 newnode
->data
= attr
;
279 newnode
->next
= head
;
283 if (mask
& GL_LIST_BIT
) {
284 struct gl_list_attrib
*attr
;
285 attr
= MALLOC_STRUCT( gl_list_attrib
);
286 MEMCPY( attr
, &ctx
->List
, sizeof(struct gl_list_attrib
) );
287 newnode
= new_attrib_node( GL_LIST_BIT
);
288 newnode
->data
= attr
;
289 newnode
->next
= head
;
293 if (mask
& GL_PIXEL_MODE_BIT
) {
294 struct gl_pixel_attrib
*attr
;
295 attr
= MALLOC_STRUCT( gl_pixel_attrib
);
296 MEMCPY( attr
, &ctx
->Pixel
, sizeof(struct gl_pixel_attrib
) );
297 newnode
= new_attrib_node( GL_PIXEL_MODE_BIT
);
298 newnode
->data
= attr
;
299 newnode
->next
= head
;
303 if (mask
& GL_POINT_BIT
) {
304 struct gl_point_attrib
*attr
;
305 attr
= MALLOC_STRUCT( gl_point_attrib
);
306 MEMCPY( attr
, &ctx
->Point
, sizeof(struct gl_point_attrib
) );
307 newnode
= new_attrib_node( GL_POINT_BIT
);
308 newnode
->data
= attr
;
309 newnode
->next
= head
;
313 if (mask
& GL_POLYGON_BIT
) {
314 struct gl_polygon_attrib
*attr
;
315 attr
= MALLOC_STRUCT( gl_polygon_attrib
);
316 MEMCPY( attr
, &ctx
->Polygon
, sizeof(struct gl_polygon_attrib
) );
317 newnode
= new_attrib_node( GL_POLYGON_BIT
);
318 newnode
->data
= attr
;
319 newnode
->next
= head
;
323 if (mask
& GL_POLYGON_STIPPLE_BIT
) {
325 stipple
= (GLuint
*) malloc( 32*sizeof(GLuint
) );
326 MEMCPY( stipple
, ctx
->PolygonStipple
, 32*sizeof(GLuint
) );
327 newnode
= new_attrib_node( GL_POLYGON_STIPPLE_BIT
);
328 newnode
->data
= stipple
;
329 newnode
->next
= head
;
333 if (mask
& GL_SCISSOR_BIT
) {
334 struct gl_scissor_attrib
*attr
;
335 attr
= MALLOC_STRUCT( gl_scissor_attrib
);
336 MEMCPY( attr
, &ctx
->Scissor
, sizeof(struct gl_scissor_attrib
) );
337 newnode
= new_attrib_node( GL_SCISSOR_BIT
);
338 newnode
->data
= attr
;
339 newnode
->next
= head
;
343 if (mask
& GL_STENCIL_BUFFER_BIT
) {
344 struct gl_stencil_attrib
*attr
;
345 attr
= MALLOC_STRUCT( gl_stencil_attrib
);
346 MEMCPY( attr
, &ctx
->Stencil
, sizeof(struct gl_stencil_attrib
) );
347 newnode
= new_attrib_node( GL_STENCIL_BUFFER_BIT
);
348 newnode
->data
= attr
;
349 newnode
->next
= head
;
353 if (mask
& GL_TEXTURE_BIT
) {
354 struct gl_texture_attrib
*attr
;
356 /* Take care of texture object reference counters */
357 for (u
= 0; u
< ctx
->Const
.MaxTextureUnits
; u
++) {
358 ctx
->Texture
.Unit
[u
].CurrentD
[1]->RefCount
++;
359 ctx
->Texture
.Unit
[u
].CurrentD
[2]->RefCount
++;
360 ctx
->Texture
.Unit
[u
].CurrentD
[3]->RefCount
++;
362 attr
= MALLOC_STRUCT( gl_texture_attrib
);
363 MEMCPY( attr
, &ctx
->Texture
, sizeof(struct gl_texture_attrib
) );
364 /* copy state of the currently bound texture objects */
365 for (u
= 0; u
< ctx
->Const
.MaxTextureUnits
; u
++) {
366 copy_texobj_state(&attr
->Unit
[u
].Saved1D
, attr
->Unit
[u
].CurrentD
[1]);
367 copy_texobj_state(&attr
->Unit
[u
].Saved2D
, attr
->Unit
[u
].CurrentD
[2]);
368 copy_texobj_state(&attr
->Unit
[u
].Saved3D
, attr
->Unit
[u
].CurrentD
[3]);
370 newnode
= new_attrib_node( GL_TEXTURE_BIT
);
371 newnode
->data
= attr
;
372 newnode
->next
= head
;
376 if (mask
& GL_TRANSFORM_BIT
) {
377 struct gl_transform_attrib
*attr
;
378 attr
= MALLOC_STRUCT( gl_transform_attrib
);
379 MEMCPY( attr
, &ctx
->Transform
, sizeof(struct gl_transform_attrib
) );
380 newnode
= new_attrib_node( GL_TRANSFORM_BIT
);
381 newnode
->data
= attr
;
382 newnode
->next
= head
;
386 if (mask
& GL_VIEWPORT_BIT
) {
387 struct gl_viewport_attrib
*attr
;
388 attr
= MALLOC_STRUCT( gl_viewport_attrib
);
389 MEMCPY( attr
, &ctx
->Viewport
, sizeof(struct gl_viewport_attrib
) );
390 newnode
= new_attrib_node( GL_VIEWPORT_BIT
);
391 newnode
->data
= attr
;
392 newnode
->next
= head
;
396 ctx
->AttribStack
[ctx
->AttribStackDepth
] = head
;
397 ctx
->AttribStackDepth
++;
403 * This function is kind of long just because we have to call a lot
404 * of device driver functions to update device driver state.
406 void gl_PopAttrib( GLcontext
* ctx
)
408 struct gl_attrib_node
*attr
, *next
;
410 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
, "glPopAttrib");
413 if (ctx
->AttribStackDepth
==0) {
414 gl_error( ctx
, GL_STACK_UNDERFLOW
, "glPopAttrib" );
418 ctx
->AttribStackDepth
--;
419 attr
= ctx
->AttribStack
[ctx
->AttribStackDepth
];
423 if (MESA_VERBOSE
&VERBOSE_API
)
424 fprintf(stderr
, "glPopAttrib %s\n", gl_lookup_enum_by_nr(attr
->kind
));
426 switch (attr
->kind
) {
427 case GL_ACCUM_BUFFER_BIT
:
428 MEMCPY( &ctx
->Accum
, attr
->data
, sizeof(struct gl_accum_attrib
) );
430 case GL_COLOR_BUFFER_BIT
:
432 GLenum oldDrawBuffer
= ctx
->Color
.DrawBuffer
;
433 GLenum oldAlphaFunc
= ctx
->Color
.AlphaFunc
;
434 GLubyte oldAlphaRef
= ctx
->Color
.AlphaRef
;
435 GLenum oldBlendSrc
= ctx
->Color
.BlendSrcRGB
;
436 GLenum oldBlendDst
= ctx
->Color
.BlendDstRGB
;
437 MEMCPY( &ctx
->Color
, attr
->data
,
438 sizeof(struct gl_colorbuffer_attrib
) );
439 if (ctx
->Color
.DrawBuffer
!= oldDrawBuffer
) {
440 gl_DrawBuffer(ctx
, ctx
->Color
.DrawBuffer
);
442 if ((ctx
->Color
.AlphaFunc
!= oldAlphaFunc
||
443 ctx
->Color
.AlphaRef
!= oldAlphaRef
) &&
444 ctx
->Driver
.AlphaFunc
)
445 (*ctx
->Driver
.AlphaFunc
)( ctx
, ctx
->Color
.AlphaFunc
,
446 ctx
->Color
.AlphaRef
/ 255.0F
);
447 if ((ctx
->Color
.BlendSrcRGB
!= oldBlendSrc
||
448 ctx
->Color
.BlendSrcRGB
!= oldBlendDst
) &&
449 ctx
->Driver
.BlendFunc
)
450 (*ctx
->Driver
.BlendFunc
)( ctx
, ctx
->Color
.BlendSrcRGB
,
451 ctx
->Color
.BlendDstRGB
);
455 MEMCPY( &ctx
->Current
, attr
->data
,
456 sizeof(struct gl_current_attrib
) );
458 case GL_DEPTH_BUFFER_BIT
:
460 GLenum oldDepthFunc
= ctx
->Depth
.Func
;
461 GLboolean oldDepthMask
= ctx
->Depth
.Mask
;
462 GLfloat oldDepthClear
= ctx
->Depth
.Clear
;
463 MEMCPY( &ctx
->Depth
, attr
->data
,
464 sizeof(struct gl_depthbuffer_attrib
) );
465 if (ctx
->Depth
.Func
!= oldDepthFunc
&& ctx
->Driver
.DepthFunc
)
466 (*ctx
->Driver
.DepthFunc
)( ctx
, ctx
->Depth
.Func
);
467 if (ctx
->Depth
.Mask
!= oldDepthMask
&& ctx
->Driver
.DepthMask
)
468 (*ctx
->Driver
.DepthMask
)( ctx
, ctx
->Depth
.Mask
);
469 if (ctx
->Depth
.Clear
!= oldDepthClear
&& ctx
->Driver
.ClearDepth
)
470 (*ctx
->Driver
.ClearDepth
)( ctx
, ctx
->Depth
.Clear
);
475 const struct gl_enable_attrib
*enable
;
476 enable
= (const struct gl_enable_attrib
*) attr
->data
;
478 #define TEST_AND_UPDATE(VALUE, NEWVALUE, ENUM) \
479 if ((VALUE) != (NEWVALUE)) { \
480 gl_set_enable( ctx, ENUM, (NEWVALUE) ); \
483 TEST_AND_UPDATE(ctx
->Color
.AlphaEnabled
, enable
->AlphaTest
, GL_ALPHA_TEST
);
484 TEST_AND_UPDATE(ctx
->Transform
.Normalize
, enable
->AutoNormal
, GL_NORMALIZE
);
485 TEST_AND_UPDATE(ctx
->Color
.BlendEnabled
, enable
->Blend
, GL_BLEND
);
488 for (i
=0;i
<MAX_CLIP_PLANES
;i
++) {
489 if (ctx
->Transform
.ClipEnabled
[i
] != enable
->ClipPlane
[i
])
490 gl_set_enable( ctx
, (GLenum
) (GL_CLIP_PLANE0
+ i
), enable
->ClipPlane
[i
] );
493 TEST_AND_UPDATE(ctx
->Light
.ColorMaterialEnabled
, enable
->ColorMaterial
, GL_COLOR_MATERIAL
);
494 TEST_AND_UPDATE(ctx
->Polygon
.CullFlag
, enable
->CullFace
, GL_CULL_FACE
);
495 TEST_AND_UPDATE(ctx
->Color
.DitherFlag
, enable
->Dither
, GL_DITHER
);
496 TEST_AND_UPDATE(ctx
->Fog
.Enabled
, enable
->Fog
, GL_FOG
);
497 TEST_AND_UPDATE(ctx
->Light
.Enabled
, enable
->Lighting
, GL_LIGHTING
);
498 TEST_AND_UPDATE(ctx
->Line
.SmoothFlag
, enable
->LineSmooth
, GL_LINE_SMOOTH
);
499 TEST_AND_UPDATE(ctx
->Line
.StippleFlag
, enable
->LineStipple
, GL_LINE_STIPPLE
);
500 TEST_AND_UPDATE(ctx
->Color
.IndexLogicOpEnabled
, enable
->IndexLogicOp
, GL_INDEX_LOGIC_OP
);
501 TEST_AND_UPDATE(ctx
->Color
.ColorLogicOpEnabled
, enable
->ColorLogicOp
, GL_COLOR_LOGIC_OP
);
502 TEST_AND_UPDATE(ctx
->Eval
.Map1Color4
, enable
->Map1Color4
, GL_MAP1_COLOR_4
);
503 TEST_AND_UPDATE(ctx
->Eval
.Map1Index
, enable
->Map1Index
, GL_MAP1_INDEX
);
504 TEST_AND_UPDATE(ctx
->Eval
.Map1Normal
, enable
->Map1Normal
, GL_MAP1_NORMAL
);
505 TEST_AND_UPDATE(ctx
->Eval
.Map1TextureCoord1
, enable
->Map1TextureCoord1
, GL_MAP1_TEXTURE_COORD_1
);
506 TEST_AND_UPDATE(ctx
->Eval
.Map1TextureCoord2
, enable
->Map1TextureCoord2
, GL_MAP1_TEXTURE_COORD_2
);
507 TEST_AND_UPDATE(ctx
->Eval
.Map1TextureCoord3
, enable
->Map1TextureCoord3
, GL_MAP1_TEXTURE_COORD_3
);
508 TEST_AND_UPDATE(ctx
->Eval
.Map1TextureCoord4
, enable
->Map1TextureCoord4
, GL_MAP1_TEXTURE_COORD_4
);
509 TEST_AND_UPDATE(ctx
->Eval
.Map1Vertex3
, enable
->Map1Vertex3
, GL_MAP1_VERTEX_3
);
510 TEST_AND_UPDATE(ctx
->Eval
.Map1Vertex4
, enable
->Map1Vertex4
, GL_MAP1_VERTEX_4
);
511 TEST_AND_UPDATE(ctx
->Eval
.Map2Color4
, enable
->Map2Color4
, GL_MAP2_COLOR_4
);
512 TEST_AND_UPDATE(ctx
->Eval
.Map2Index
, enable
->Map2Index
, GL_MAP2_INDEX
);
513 TEST_AND_UPDATE(ctx
->Eval
.Map2Normal
, enable
->Map2Normal
, GL_MAP2_NORMAL
);
514 TEST_AND_UPDATE(ctx
->Eval
.Map2TextureCoord1
, enable
->Map2TextureCoord1
, GL_MAP2_TEXTURE_COORD_1
);
515 TEST_AND_UPDATE(ctx
->Eval
.Map2TextureCoord2
, enable
->Map2TextureCoord2
, GL_MAP2_TEXTURE_COORD_2
);
516 TEST_AND_UPDATE(ctx
->Eval
.Map2TextureCoord3
, enable
->Map2TextureCoord3
, GL_MAP2_TEXTURE_COORD_3
);
517 TEST_AND_UPDATE(ctx
->Eval
.Map2TextureCoord4
, enable
->Map2TextureCoord4
, GL_MAP2_TEXTURE_COORD_4
);
518 TEST_AND_UPDATE(ctx
->Eval
.Map2Vertex3
, enable
->Map2Vertex3
, GL_MAP2_VERTEX_3
);
519 TEST_AND_UPDATE(ctx
->Eval
.Map2Vertex4
, enable
->Map2Vertex4
, GL_MAP2_VERTEX_4
);
520 TEST_AND_UPDATE(ctx
->Transform
.Normalize
, enable
->Normalize
, GL_NORMALIZE
);
521 TEST_AND_UPDATE(ctx
->Transform
.RescaleNormals
, enable
->RescaleNormals
, GL_RESCALE_NORMAL_EXT
);
522 TEST_AND_UPDATE(ctx
->Point
.SmoothFlag
, enable
->PointSmooth
, GL_POINT_SMOOTH
);
523 TEST_AND_UPDATE(ctx
->Polygon
.OffsetPoint
, enable
->PolygonOffsetPoint
, GL_POLYGON_OFFSET_POINT
);
524 TEST_AND_UPDATE(ctx
->Polygon
.OffsetLine
, enable
->PolygonOffsetLine
, GL_POLYGON_OFFSET_LINE
);
525 TEST_AND_UPDATE(ctx
->Polygon
.OffsetFill
, enable
->PolygonOffsetFill
, GL_POLYGON_OFFSET_FILL
);
526 TEST_AND_UPDATE(ctx
->Polygon
.SmoothFlag
, enable
->PolygonSmooth
, GL_POLYGON_SMOOTH
);
527 TEST_AND_UPDATE(ctx
->Polygon
.StippleFlag
, enable
->PolygonStipple
, GL_POLYGON_STIPPLE
);
528 TEST_AND_UPDATE(ctx
->Scissor
.Enabled
, enable
->Scissor
, GL_SCISSOR_TEST
);
529 TEST_AND_UPDATE(ctx
->Stencil
.Enabled
, enable
->Stencil
, GL_STENCIL_TEST
);
530 if (ctx
->Texture
.Enabled
!= enable
->Texture
) {
531 ctx
->Texture
.Enabled
= enable
->Texture
;
532 if (ctx
->Driver
.Enable
) {
533 if (ctx
->Driver
.ActiveTexture
)
534 (*ctx
->Driver
.ActiveTexture
)( ctx
, 0 );
535 (*ctx
->Driver
.Enable
)( ctx
, GL_TEXTURE_1D
, (GLboolean
) (enable
->Texture
& TEXTURE0_1D
) );
536 (*ctx
->Driver
.Enable
)( ctx
, GL_TEXTURE_2D
, (GLboolean
) (enable
->Texture
& TEXTURE0_2D
) );
537 (*ctx
->Driver
.Enable
)( ctx
, GL_TEXTURE_3D
, (GLboolean
) (enable
->Texture
& TEXTURE0_3D
) );
538 if (ctx
->Driver
.ActiveTexture
)
539 (*ctx
->Driver
.ActiveTexture
)( ctx
, 1 );
540 (*ctx
->Driver
.Enable
)( ctx
, GL_TEXTURE_1D
, (GLboolean
) (enable
->Texture
& TEXTURE1_1D
) );
541 (*ctx
->Driver
.Enable
)( ctx
, GL_TEXTURE_2D
, (GLboolean
) (enable
->Texture
& TEXTURE1_2D
) );
542 (*ctx
->Driver
.Enable
)( ctx
, GL_TEXTURE_3D
, (GLboolean
) (enable
->Texture
& TEXTURE1_3D
) );
543 if (ctx
->Driver
.ActiveTexture
)
544 (*ctx
->Driver
.ActiveTexture
)( ctx
, ctx
->Texture
.CurrentUnit
);
547 #undef TEST_AND_UPDATE
550 for (i
=0; i
<MAX_TEXTURE_UNITS
; i
++) {
551 if (ctx
->Texture
.Unit
[i
].TexGenEnabled
!= enable
->TexGen
[i
]) {
552 ctx
->Texture
.Unit
[i
].TexGenEnabled
= enable
->TexGen
[i
];
554 /* ctx->Enabled recalculated in state change
557 if (ctx
->Driver
.Enable
) {
558 if (ctx
->Driver
.ActiveTexture
)
559 (*ctx
->Driver
.ActiveTexture
)( ctx
, i
);
560 if (enable
->TexGen
[i
] & S_BIT
)
561 (*ctx
->Driver
.Enable
)( ctx
, GL_TEXTURE_GEN_S
, GL_TRUE
);
563 (*ctx
->Driver
.Enable
)( ctx
, GL_TEXTURE_GEN_S
, GL_FALSE
);
564 if (enable
->TexGen
[i
] & T_BIT
)
565 (*ctx
->Driver
.Enable
)( ctx
, GL_TEXTURE_GEN_T
, GL_TRUE
);
567 (*ctx
->Driver
.Enable
)( ctx
, GL_TEXTURE_GEN_T
, GL_FALSE
);
568 if (enable
->TexGen
[i
] & R_BIT
)
569 (*ctx
->Driver
.Enable
)( ctx
, GL_TEXTURE_GEN_R
, GL_TRUE
);
571 (*ctx
->Driver
.Enable
)( ctx
, GL_TEXTURE_GEN_R
, GL_FALSE
);
572 if (enable
->TexGen
[i
] & Q_BIT
)
573 (*ctx
->Driver
.Enable
)( ctx
, GL_TEXTURE_GEN_Q
, GL_TRUE
);
575 (*ctx
->Driver
.Enable
)( ctx
, GL_TEXTURE_GEN_Q
, GL_FALSE
);
579 if (ctx
->Driver
.ActiveTexture
)
580 (*ctx
->Driver
.ActiveTexture
)( ctx
, ctx
->Texture
.CurrentUnit
);
585 MEMCPY( &ctx
->Eval
, attr
->data
, sizeof(struct gl_eval_attrib
) );
589 GLboolean anyChange
= (memcmp( &ctx
->Fog
, attr
->data
, sizeof(struct gl_fog_attrib
) ) != 0);
590 MEMCPY( &ctx
->Fog
, attr
->data
, sizeof(struct gl_fog_attrib
) );
591 if (anyChange
&& ctx
->Driver
.Fogfv
) {
592 const GLfloat mode
= ctx
->Fog
.Mode
;
593 const GLfloat density
= ctx
->Fog
.Density
;
594 const GLfloat start
= ctx
->Fog
.Start
;
595 const GLfloat end
= ctx
->Fog
.End
;
596 const GLfloat index
= ctx
->Fog
.Index
;
597 (*ctx
->Driver
.Fogfv
)( ctx
, GL_FOG_MODE
, &mode
);
598 (*ctx
->Driver
.Fogfv
)( ctx
, GL_FOG_DENSITY
, &density
);
599 (*ctx
->Driver
.Fogfv
)( ctx
, GL_FOG_START
, &start
);
600 (*ctx
->Driver
.Fogfv
)( ctx
, GL_FOG_END
, &end
);
601 (*ctx
->Driver
.Fogfv
)( ctx
, GL_FOG_INDEX
, &index
);
602 (*ctx
->Driver
.Fogfv
)( ctx
, GL_FOG_COLOR
, ctx
->Fog
.Color
);
604 ctx
->Enabled
&= ENABLE_FOG
;
605 if (ctx
->Fog
.Enabled
) ctx
->Enabled
|= ENABLE_FOG
;
609 MEMCPY( &ctx
->Hint
, attr
->data
, sizeof(struct gl_hint_attrib
) );
610 if (ctx
->Driver
.Hint
) {
611 (*ctx
->Driver
.Hint
)( ctx
, GL_PERSPECTIVE_CORRECTION_HINT
,
612 ctx
->Hint
.PerspectiveCorrection
);
613 (*ctx
->Driver
.Hint
)( ctx
, GL_POINT_SMOOTH_HINT
,
614 ctx
->Hint
.PointSmooth
);
615 (*ctx
->Driver
.Hint
)( ctx
, GL_LINE_SMOOTH_HINT
,
616 ctx
->Hint
.LineSmooth
);
617 (*ctx
->Driver
.Hint
)( ctx
, GL_POLYGON_SMOOTH_HINT
,
618 ctx
->Hint
.PolygonSmooth
);
619 (*ctx
->Driver
.Hint
)( ctx
, GL_FOG_HINT
, ctx
->Hint
.Fog
);
622 case GL_LIGHTING_BIT
:
623 MEMCPY( &ctx
->Light
, attr
->data
, sizeof(struct gl_light_attrib
) );
624 if (ctx
->Driver
.Enable
) {
626 for (i
= 0; i
< MAX_LIGHTS
; i
++) {
627 GLenum light
= (GLenum
) (GL_LIGHT0
+ i
);
628 (*ctx
->Driver
.Enable
)( ctx
, light
, ctx
->Light
.Light
[i
].Enabled
);
630 (*ctx
->Driver
.Enable
)( ctx
, GL_LIGHTING
, ctx
->Light
.Enabled
);
632 ctx
->Enabled
&= ENABLE_LIGHT
;
633 if (ctx
->Light
.Enabled
&& !is_empty_list(&ctx
->Light
.EnabledList
))
634 ctx
->Enabled
|= ENABLE_LIGHT
;
637 MEMCPY( &ctx
->Line
, attr
->data
, sizeof(struct gl_line_attrib
) );
638 if (ctx
->Driver
.Enable
) {
639 (*ctx
->Driver
.Enable
)( ctx
, GL_LINE_SMOOTH
, ctx
->Line
.SmoothFlag
);
640 (*ctx
->Driver
.Enable
)( ctx
, GL_LINE_STIPPLE
, ctx
->Line
.StippleFlag
);
644 MEMCPY( &ctx
->List
, attr
->data
, sizeof(struct gl_list_attrib
) );
646 case GL_PIXEL_MODE_BIT
:
647 MEMCPY( &ctx
->Pixel
, attr
->data
, sizeof(struct gl_pixel_attrib
) );
650 MEMCPY( &ctx
->Point
, attr
->data
, sizeof(struct gl_point_attrib
) );
651 if (ctx
->Driver
.Enable
)
652 (*ctx
->Driver
.Enable
)( ctx
, GL_POINT_SMOOTH
, ctx
->Point
.SmoothFlag
);
656 GLenum oldFrontMode
= ctx
->Polygon
.FrontMode
;
657 GLenum oldBackMode
= ctx
->Polygon
.BackMode
;
658 MEMCPY( &ctx
->Polygon
, attr
->data
,
659 sizeof(struct gl_polygon_attrib
) );
660 if ((ctx
->Polygon
.FrontMode
!= oldFrontMode
||
661 ctx
->Polygon
.BackMode
!= oldBackMode
) &&
662 ctx
->Driver
.PolygonMode
) {
663 (*ctx
->Driver
.PolygonMode
)( ctx
, GL_FRONT
, ctx
->Polygon
.FrontMode
);
664 (*ctx
->Driver
.PolygonMode
)( ctx
, GL_BACK
, ctx
->Polygon
.BackMode
);
666 if (ctx
->Driver
.CullFace
)
667 ctx
->Driver
.CullFace( ctx
, ctx
->Polygon
.CullFaceMode
);
669 if (ctx
->Driver
.FrontFace
)
670 ctx
->Driver
.FrontFace( ctx
, ctx
->Polygon
.FrontFace
);
672 if (ctx
->Driver
.Enable
)
673 (*ctx
->Driver
.Enable
)( ctx
, GL_POLYGON_SMOOTH
, ctx
->Polygon
.SmoothFlag
);
676 case GL_POLYGON_STIPPLE_BIT
:
677 MEMCPY( ctx
->PolygonStipple
, attr
->data
, 32*sizeof(GLuint
) );
680 MEMCPY( &ctx
->Scissor
, attr
->data
,
681 sizeof(struct gl_scissor_attrib
) );
682 if (ctx
->Driver
.Enable
)
683 (*ctx
->Driver
.Enable
)( ctx
, GL_SCISSOR_TEST
, ctx
->Scissor
.Enabled
);
684 if (ctx
->Driver
.Scissor
)
685 ctx
->Driver
.Scissor( ctx
, ctx
->Scissor
.X
, ctx
->Scissor
.Y
,
686 ctx
->Scissor
.Width
, ctx
->Scissor
.Height
);
688 case GL_STENCIL_BUFFER_BIT
:
689 MEMCPY( &ctx
->Stencil
, attr
->data
,
690 sizeof(struct gl_stencil_attrib
) );
691 if (ctx
->Driver
.StencilFunc
)
692 (*ctx
->Driver
.StencilFunc
)( ctx
, ctx
->Stencil
.Function
,
693 ctx
->Stencil
.Ref
, ctx
->Stencil
.ValueMask
);
694 if (ctx
->Driver
.StencilMask
)
695 (*ctx
->Driver
.StencilMask
)( ctx
, ctx
->Stencil
.WriteMask
);
696 if (ctx
->Driver
.StencilOp
)
697 (*ctx
->Driver
.StencilOp
)( ctx
, ctx
->Stencil
.FailFunc
,
698 ctx
->Stencil
.ZFailFunc
, ctx
->Stencil
.ZPassFunc
);
699 if (ctx
->Driver
.ClearStencil
)
700 (*ctx
->Driver
.ClearStencil
)( ctx
, ctx
->Stencil
.Clear
);
701 if (ctx
->Driver
.Enable
)
702 (*ctx
->Driver
.Enable
)( ctx
, GL_STENCIL_TEST
, ctx
->Stencil
.Enabled
);
703 ctx
->TriangleCaps
&= ~DD_STENCIL
;
704 if (ctx
->Stencil
.Enabled
)
705 ctx
->TriangleCaps
|= DD_STENCIL
;
708 case GL_TRANSFORM_BIT
:
709 MEMCPY( &ctx
->Transform
, attr
->data
,
710 sizeof(struct gl_transform_attrib
) );
711 if (ctx
->Driver
.Enable
) {
712 (*ctx
->Driver
.Enable
)( ctx
, GL_NORMALIZE
, ctx
->Transform
.Normalize
);
713 (*ctx
->Driver
.Enable
)( ctx
, GL_RESCALE_NORMAL_EXT
, ctx
->Transform
.RescaleNormals
);
715 ctx
->Enabled
&= ~(ENABLE_NORMALIZE
|ENABLE_RESCALE
);
716 if (ctx
->Transform
.Normalize
) ctx
->Enabled
|= ENABLE_NORMALIZE
;
717 if (ctx
->Transform
.RescaleNormals
) ctx
->Enabled
|= ENABLE_RESCALE
;
720 /* Take care of texture object reference counters */
723 for (u
= 0; u
< ctx
->Const
.MaxTextureUnits
; u
++) {
724 ctx
->Texture
.Unit
[u
].CurrentD
[1]->RefCount
--;
725 ctx
->Texture
.Unit
[u
].CurrentD
[2]->RefCount
--;
726 ctx
->Texture
.Unit
[u
].CurrentD
[3]->RefCount
--;
728 MEMCPY( &ctx
->Texture
, attr
->data
,
729 sizeof(struct gl_texture_attrib
) );
730 /* restore state of the currently bound texture objects */
731 for (u
= 0; u
< ctx
->Const
.MaxTextureUnits
; u
++) {
732 copy_texobj_state( ctx
->Texture
.Unit
[u
].CurrentD
[1],
733 &(ctx
->Texture
.Unit
[u
].Saved1D
) );
734 copy_texobj_state( ctx
->Texture
.Unit
[u
].CurrentD
[2],
735 &(ctx
->Texture
.Unit
[u
].Saved2D
) );
736 copy_texobj_state( ctx
->Texture
.Unit
[u
].CurrentD
[3],
737 &(ctx
->Texture
.Unit
[u
].Saved3D
) );
738 gl_put_texobj_on_dirty_list( ctx
, ctx
->Texture
.Unit
[u
].CurrentD
[1] );
739 gl_put_texobj_on_dirty_list( ctx
, ctx
->Texture
.Unit
[u
].CurrentD
[2] );
740 gl_put_texobj_on_dirty_list( ctx
, ctx
->Texture
.Unit
[u
].CurrentD
[3] );
745 case GL_VIEWPORT_BIT
:
747 struct gl_viewport_attrib
*v
=
748 (struct gl_viewport_attrib
*)attr
->data
;
750 gl_Viewport( ctx
, v
->X
, v
->Y
, v
->Width
, v
->Height
);
751 gl_DepthRange( ctx
, v
->Near
, v
->Far
);
755 gl_problem( ctx
, "Bad attrib flag in PopAttrib");
760 free( (void *) attr
->data
);
761 free( (void *) attr
);
765 ctx
->NewState
= NEW_ALL
;
769 #define GL_CLIENT_PACK_BIT (1<<20)
770 #define GL_CLIENT_UNPACK_BIT (1<<21)
773 void gl_PushClientAttrib( GLcontext
*ctx
, GLbitfield mask
)
775 struct gl_attrib_node
*newnode
;
776 struct gl_attrib_node
*head
;
778 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
, "glPushClientAttrib");
780 if (ctx
->ClientAttribStackDepth
>=MAX_CLIENT_ATTRIB_STACK_DEPTH
) {
781 gl_error( ctx
, GL_STACK_OVERFLOW
, "glPushClientAttrib" );
785 /* Build linked list of attribute nodes which save all attribute */
786 /* groups specified by the mask. */
789 if (mask
& GL_CLIENT_PIXEL_STORE_BIT
) {
790 struct gl_pixelstore_attrib
*attr
;
791 /* packing attribs */
792 attr
= MALLOC_STRUCT( gl_pixelstore_attrib
);
793 MEMCPY( attr
, &ctx
->Pack
, sizeof(struct gl_pixelstore_attrib
) );
794 newnode
= new_attrib_node( GL_CLIENT_PACK_BIT
);
795 newnode
->data
= attr
;
796 newnode
->next
= head
;
798 /* unpacking attribs */
799 attr
= MALLOC_STRUCT( gl_pixelstore_attrib
);
800 MEMCPY( attr
, &ctx
->Unpack
, sizeof(struct gl_pixelstore_attrib
) );
801 newnode
= new_attrib_node( GL_CLIENT_UNPACK_BIT
);
802 newnode
->data
= attr
;
803 newnode
->next
= head
;
806 if (mask
& GL_CLIENT_VERTEX_ARRAY_BIT
) {
807 struct gl_array_attrib
*attr
;
808 attr
= MALLOC_STRUCT( gl_array_attrib
);
809 MEMCPY( attr
, &ctx
->Array
, sizeof(struct gl_array_attrib
) );
810 newnode
= new_attrib_node( GL_CLIENT_VERTEX_ARRAY_BIT
);
811 newnode
->data
= attr
;
812 newnode
->next
= head
;
816 ctx
->ClientAttribStack
[ctx
->ClientAttribStackDepth
] = head
;
817 ctx
->ClientAttribStackDepth
++;
823 void gl_PopClientAttrib( GLcontext
*ctx
)
825 struct gl_attrib_node
*attr
, *next
;
827 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
, "glPopClientAttrib");
829 if (ctx
->ClientAttribStackDepth
==0) {
830 gl_error( ctx
, GL_STACK_UNDERFLOW
, "glPopClientAttrib" );
834 ctx
->ClientAttribStackDepth
--;
835 attr
= ctx
->ClientAttribStack
[ctx
->ClientAttribStackDepth
];
838 switch (attr
->kind
) {
839 case GL_CLIENT_PACK_BIT
:
840 MEMCPY( &ctx
->Pack
, attr
->data
,
841 sizeof(struct gl_pixelstore_attrib
) );
843 case GL_CLIENT_UNPACK_BIT
:
844 MEMCPY( &ctx
->Unpack
, attr
->data
,
845 sizeof(struct gl_pixelstore_attrib
) );
847 case GL_CLIENT_VERTEX_ARRAY_BIT
:
848 MEMCPY( &ctx
->Array
, attr
->data
,
849 sizeof(struct gl_array_attrib
) );
852 gl_problem( ctx
, "Bad attrib flag in PopClientAttrib");
857 free( (void *) attr
->data
);
858 free( (void *) attr
);
862 ctx
->NewState
= NEW_ALL
;