2 * Mesa 3-D graphics library
5 * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
6 * Copyright (C) 2009 VMware, Inc. All Rights Reserved.
8 * Permission is hereby granted, free of charge, to any person obtaining a
9 * copy of this software and associated documentation files (the "Software"),
10 * to deal in the Software without restriction, including without limitation
11 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12 * and/or sell copies of the Software, and to permit persons to whom the
13 * Software is furnished to do so, subject to the following conditions:
15 * The above copyright notice and this permission notice shall be included
16 * in all copies or substantial portions of the Software.
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
21 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
22 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
23 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
33 #include "bufferobj.h"
46 #include "mfeatures.h"
47 #include "multisample.h"
60 #include "main/dispatch.h"
64 * glEnable()/glDisable() attribute group (GL_ENABLE_BIT).
66 struct gl_enable_attrib
71 GLbitfield ClipPlanes
;
72 GLboolean ColorMaterial
;
78 GLboolean Light
[MAX_LIGHTS
];
81 GLboolean LineStipple
;
82 GLboolean IndexLogicOp
;
83 GLboolean ColorLogicOp
;
88 GLboolean Map1TextureCoord1
;
89 GLboolean Map1TextureCoord2
;
90 GLboolean Map1TextureCoord3
;
91 GLboolean Map1TextureCoord4
;
92 GLboolean Map1Vertex3
;
93 GLboolean Map1Vertex4
;
94 GLboolean Map1Attrib
[16]; /* GL_NV_vertex_program */
98 GLboolean Map2TextureCoord1
;
99 GLboolean Map2TextureCoord2
;
100 GLboolean Map2TextureCoord3
;
101 GLboolean Map2TextureCoord4
;
102 GLboolean Map2Vertex3
;
103 GLboolean Map2Vertex4
;
104 GLboolean Map2Attrib
[16]; /* GL_NV_vertex_program */
107 GLboolean PixelTexture
;
108 GLboolean PointSmooth
;
109 GLboolean PolygonOffsetPoint
;
110 GLboolean PolygonOffsetLine
;
111 GLboolean PolygonOffsetFill
;
112 GLboolean PolygonSmooth
;
113 GLboolean PolygonStipple
;
114 GLboolean RescaleNormals
;
117 GLboolean StencilTwoSide
; /* GL_EXT_stencil_two_side */
118 GLboolean MultisampleEnabled
; /* GL_ARB_multisample */
119 GLboolean SampleAlphaToCoverage
; /* GL_ARB_multisample */
120 GLboolean SampleAlphaToOne
; /* GL_ARB_multisample */
121 GLboolean SampleCoverage
; /* GL_ARB_multisample */
122 GLboolean SampleCoverageInvert
; /* GL_ARB_multisample */
123 GLboolean RasterPositionUnclipped
; /* GL_IBM_rasterpos_clip */
125 GLbitfield Texture
[MAX_TEXTURE_UNITS
];
126 GLbitfield TexGen
[MAX_TEXTURE_UNITS
];
128 /* SGI_texture_color_table */
129 GLboolean TextureColorTable
[MAX_TEXTURE_UNITS
];
131 /* GL_ARB_vertex_program / GL_NV_vertex_program */
132 GLboolean VertexProgram
;
133 GLboolean VertexProgramPointSize
;
134 GLboolean VertexProgramTwoSide
;
136 /* GL_ARB_point_sprite / GL_NV_point_sprite */
137 GLboolean PointSprite
;
138 GLboolean FragmentShaderATI
;
143 * Node for the attribute stack.
145 struct gl_attrib_node
149 struct gl_attrib_node
*next
;
155 * Special struct for saving/restoring texture state (GL_TEXTURE_BIT)
159 struct gl_texture_attrib Texture
; /**< The usual context state */
161 /** to save per texture object state (wrap modes, filters, etc): */
162 struct gl_texture_object SavedObj
[MAX_TEXTURE_UNITS
][NUM_TEXTURE_TARGETS
];
165 * To save references to texture objects (so they don't get accidentally
166 * deleted while saved in the attribute stack).
168 struct gl_texture_object
*SavedTexRef
[MAX_TEXTURE_UNITS
][NUM_TEXTURE_TARGETS
];
172 #if FEATURE_attrib_stack
176 * Allocate new attribute node of given type/kind. Attach payload data.
177 * Insert it into the linked list named by 'head'.
180 save_attrib_data(struct gl_attrib_node
**head
,
181 GLbitfield kind
, void *payload
)
183 struct gl_attrib_node
*n
= MALLOC_STRUCT(gl_attrib_node
);
198 _mesa_PushAttrib(GLbitfield mask
)
200 struct gl_attrib_node
*head
;
202 GET_CURRENT_CONTEXT(ctx
);
203 ASSERT_OUTSIDE_BEGIN_END(ctx
);
205 if (MESA_VERBOSE
& VERBOSE_API
)
206 _mesa_debug(ctx
, "glPushAttrib %x\n", (int) mask
);
208 if (ctx
->AttribStackDepth
>= MAX_ATTRIB_STACK_DEPTH
) {
209 _mesa_error( ctx
, GL_STACK_OVERFLOW
, "glPushAttrib" );
213 /* Build linked list of attribute nodes which save all attribute */
214 /* groups specified by the mask. */
217 if (mask
& GL_ACCUM_BUFFER_BIT
) {
218 struct gl_accum_attrib
*attr
;
219 attr
= MALLOC_STRUCT( gl_accum_attrib
);
220 memcpy( attr
, &ctx
->Accum
, sizeof(struct gl_accum_attrib
) );
221 save_attrib_data(&head
, GL_ACCUM_BUFFER_BIT
, attr
);
224 if (mask
& GL_COLOR_BUFFER_BIT
) {
226 struct gl_colorbuffer_attrib
*attr
;
227 attr
= MALLOC_STRUCT( gl_colorbuffer_attrib
);
228 memcpy( attr
, &ctx
->Color
, sizeof(struct gl_colorbuffer_attrib
) );
229 /* push the Draw FBO's DrawBuffer[] state, not ctx->Color.DrawBuffer[] */
230 for (i
= 0; i
< ctx
->Const
.MaxDrawBuffers
; i
++)
231 attr
->DrawBuffer
[i
] = ctx
->DrawBuffer
->ColorDrawBuffer
[i
];
232 save_attrib_data(&head
, GL_COLOR_BUFFER_BIT
, attr
);
235 if (mask
& GL_CURRENT_BIT
) {
236 struct gl_current_attrib
*attr
;
237 FLUSH_CURRENT( ctx
, 0 );
238 attr
= MALLOC_STRUCT( gl_current_attrib
);
239 memcpy( attr
, &ctx
->Current
, sizeof(struct gl_current_attrib
) );
240 save_attrib_data(&head
, GL_CURRENT_BIT
, attr
);
243 if (mask
& GL_DEPTH_BUFFER_BIT
) {
244 struct gl_depthbuffer_attrib
*attr
;
245 attr
= MALLOC_STRUCT( gl_depthbuffer_attrib
);
246 memcpy( attr
, &ctx
->Depth
, sizeof(struct gl_depthbuffer_attrib
) );
247 save_attrib_data(&head
, GL_DEPTH_BUFFER_BIT
, attr
);
250 if (mask
& GL_ENABLE_BIT
) {
251 struct gl_enable_attrib
*attr
;
253 attr
= MALLOC_STRUCT( gl_enable_attrib
);
254 /* Copy enable flags from all other attributes into the enable struct. */
255 attr
->AlphaTest
= ctx
->Color
.AlphaEnabled
;
256 attr
->AutoNormal
= ctx
->Eval
.AutoNormal
;
257 attr
->Blend
= ctx
->Color
.BlendEnabled
;
258 attr
->ClipPlanes
= ctx
->Transform
.ClipPlanesEnabled
;
259 attr
->ColorMaterial
= ctx
->Light
.ColorMaterialEnabled
;
260 attr
->CullFace
= ctx
->Polygon
.CullFlag
;
261 attr
->DepthClamp
= ctx
->Transform
.DepthClamp
;
262 attr
->DepthTest
= ctx
->Depth
.Test
;
263 attr
->Dither
= ctx
->Color
.DitherFlag
;
264 attr
->Fog
= ctx
->Fog
.Enabled
;
265 for (i
= 0; i
< ctx
->Const
.MaxLights
; i
++) {
266 attr
->Light
[i
] = ctx
->Light
.Light
[i
].Enabled
;
268 attr
->Lighting
= ctx
->Light
.Enabled
;
269 attr
->LineSmooth
= ctx
->Line
.SmoothFlag
;
270 attr
->LineStipple
= ctx
->Line
.StippleFlag
;
271 attr
->IndexLogicOp
= ctx
->Color
.IndexLogicOpEnabled
;
272 attr
->ColorLogicOp
= ctx
->Color
.ColorLogicOpEnabled
;
273 attr
->Map1Color4
= ctx
->Eval
.Map1Color4
;
274 attr
->Map1Index
= ctx
->Eval
.Map1Index
;
275 attr
->Map1Normal
= ctx
->Eval
.Map1Normal
;
276 attr
->Map1TextureCoord1
= ctx
->Eval
.Map1TextureCoord1
;
277 attr
->Map1TextureCoord2
= ctx
->Eval
.Map1TextureCoord2
;
278 attr
->Map1TextureCoord3
= ctx
->Eval
.Map1TextureCoord3
;
279 attr
->Map1TextureCoord4
= ctx
->Eval
.Map1TextureCoord4
;
280 attr
->Map1Vertex3
= ctx
->Eval
.Map1Vertex3
;
281 attr
->Map1Vertex4
= ctx
->Eval
.Map1Vertex4
;
282 memcpy(attr
->Map1Attrib
, ctx
->Eval
.Map1Attrib
, sizeof(ctx
->Eval
.Map1Attrib
));
283 attr
->Map2Color4
= ctx
->Eval
.Map2Color4
;
284 attr
->Map2Index
= ctx
->Eval
.Map2Index
;
285 attr
->Map2Normal
= ctx
->Eval
.Map2Normal
;
286 attr
->Map2TextureCoord1
= ctx
->Eval
.Map2TextureCoord1
;
287 attr
->Map2TextureCoord2
= ctx
->Eval
.Map2TextureCoord2
;
288 attr
->Map2TextureCoord3
= ctx
->Eval
.Map2TextureCoord3
;
289 attr
->Map2TextureCoord4
= ctx
->Eval
.Map2TextureCoord4
;
290 attr
->Map2Vertex3
= ctx
->Eval
.Map2Vertex3
;
291 attr
->Map2Vertex4
= ctx
->Eval
.Map2Vertex4
;
292 memcpy(attr
->Map2Attrib
, ctx
->Eval
.Map2Attrib
, sizeof(ctx
->Eval
.Map2Attrib
));
293 attr
->Normalize
= ctx
->Transform
.Normalize
;
294 attr
->RasterPositionUnclipped
= ctx
->Transform
.RasterPositionUnclipped
;
295 attr
->PointSmooth
= ctx
->Point
.SmoothFlag
;
296 attr
->PointSprite
= ctx
->Point
.PointSprite
;
297 attr
->PolygonOffsetPoint
= ctx
->Polygon
.OffsetPoint
;
298 attr
->PolygonOffsetLine
= ctx
->Polygon
.OffsetLine
;
299 attr
->PolygonOffsetFill
= ctx
->Polygon
.OffsetFill
;
300 attr
->PolygonSmooth
= ctx
->Polygon
.SmoothFlag
;
301 attr
->PolygonStipple
= ctx
->Polygon
.StippleFlag
;
302 attr
->RescaleNormals
= ctx
->Transform
.RescaleNormals
;
303 attr
->Scissor
= ctx
->Scissor
.Enabled
;
304 attr
->Stencil
= ctx
->Stencil
.Enabled
;
305 attr
->StencilTwoSide
= ctx
->Stencil
.TestTwoSide
;
306 attr
->MultisampleEnabled
= ctx
->Multisample
.Enabled
;
307 attr
->SampleAlphaToCoverage
= ctx
->Multisample
.SampleAlphaToCoverage
;
308 attr
->SampleAlphaToOne
= ctx
->Multisample
.SampleAlphaToOne
;
309 attr
->SampleCoverage
= ctx
->Multisample
.SampleCoverage
;
310 attr
->SampleCoverageInvert
= ctx
->Multisample
.SampleCoverageInvert
;
311 for (i
= 0; i
< ctx
->Const
.MaxTextureUnits
; i
++) {
312 attr
->Texture
[i
] = ctx
->Texture
.Unit
[i
].Enabled
;
313 attr
->TexGen
[i
] = ctx
->Texture
.Unit
[i
].TexGenEnabled
;
314 attr
->TextureColorTable
[i
] = ctx
->Texture
.Unit
[i
].ColorTableEnabled
;
316 /* GL_NV_vertex_program */
317 attr
->VertexProgram
= ctx
->VertexProgram
.Enabled
;
318 attr
->VertexProgramPointSize
= ctx
->VertexProgram
.PointSizeEnabled
;
319 attr
->VertexProgramTwoSide
= ctx
->VertexProgram
.TwoSideEnabled
;
320 save_attrib_data(&head
, GL_ENABLE_BIT
, attr
);
323 if (mask
& GL_EVAL_BIT
) {
324 struct gl_eval_attrib
*attr
;
325 attr
= MALLOC_STRUCT( gl_eval_attrib
);
326 memcpy( attr
, &ctx
->Eval
, sizeof(struct gl_eval_attrib
) );
327 save_attrib_data(&head
, GL_EVAL_BIT
, attr
);
330 if (mask
& GL_FOG_BIT
) {
331 struct gl_fog_attrib
*attr
;
332 attr
= MALLOC_STRUCT( gl_fog_attrib
);
333 memcpy( attr
, &ctx
->Fog
, sizeof(struct gl_fog_attrib
) );
334 save_attrib_data(&head
, GL_FOG_BIT
, attr
);
337 if (mask
& GL_HINT_BIT
) {
338 struct gl_hint_attrib
*attr
;
339 attr
= MALLOC_STRUCT( gl_hint_attrib
);
340 memcpy( attr
, &ctx
->Hint
, sizeof(struct gl_hint_attrib
) );
341 save_attrib_data(&head
, GL_HINT_BIT
, attr
);
344 if (mask
& GL_LIGHTING_BIT
) {
345 struct gl_light_attrib
*attr
;
346 FLUSH_CURRENT(ctx
, 0); /* flush material changes */
347 attr
= MALLOC_STRUCT( gl_light_attrib
);
348 memcpy( attr
, &ctx
->Light
, sizeof(struct gl_light_attrib
) );
349 save_attrib_data(&head
, GL_LIGHTING_BIT
, attr
);
352 if (mask
& GL_LINE_BIT
) {
353 struct gl_line_attrib
*attr
;
354 attr
= MALLOC_STRUCT( gl_line_attrib
);
355 memcpy( attr
, &ctx
->Line
, sizeof(struct gl_line_attrib
) );
356 save_attrib_data(&head
, GL_LINE_BIT
, attr
);
359 if (mask
& GL_LIST_BIT
) {
360 struct gl_list_attrib
*attr
;
361 attr
= MALLOC_STRUCT( gl_list_attrib
);
362 memcpy( attr
, &ctx
->List
, sizeof(struct gl_list_attrib
) );
363 save_attrib_data(&head
, GL_LIST_BIT
, attr
);
366 if (mask
& GL_PIXEL_MODE_BIT
) {
367 struct gl_pixel_attrib
*attr
;
368 attr
= MALLOC_STRUCT( gl_pixel_attrib
);
369 memcpy( attr
, &ctx
->Pixel
, sizeof(struct gl_pixel_attrib
) );
370 /* push the Read FBO's ReadBuffer state, not ctx->Pixel.ReadBuffer */
371 attr
->ReadBuffer
= ctx
->ReadBuffer
->ColorReadBuffer
;
372 save_attrib_data(&head
, GL_PIXEL_MODE_BIT
, attr
);
375 if (mask
& GL_POINT_BIT
) {
376 struct gl_point_attrib
*attr
;
377 attr
= MALLOC_STRUCT( gl_point_attrib
);
378 memcpy( attr
, &ctx
->Point
, sizeof(struct gl_point_attrib
) );
379 save_attrib_data(&head
, GL_POINT_BIT
, attr
);
382 if (mask
& GL_POLYGON_BIT
) {
383 struct gl_polygon_attrib
*attr
;
384 attr
= MALLOC_STRUCT( gl_polygon_attrib
);
385 memcpy( attr
, &ctx
->Polygon
, sizeof(struct gl_polygon_attrib
) );
386 save_attrib_data(&head
, GL_POLYGON_BIT
, attr
);
389 if (mask
& GL_POLYGON_STIPPLE_BIT
) {
391 stipple
= (GLuint
*) MALLOC( 32*sizeof(GLuint
) );
392 memcpy( stipple
, ctx
->PolygonStipple
, 32*sizeof(GLuint
) );
393 save_attrib_data(&head
, GL_POLYGON_STIPPLE_BIT
, stipple
);
396 if (mask
& GL_SCISSOR_BIT
) {
397 struct gl_scissor_attrib
*attr
;
398 attr
= MALLOC_STRUCT( gl_scissor_attrib
);
399 memcpy( attr
, &ctx
->Scissor
, sizeof(struct gl_scissor_attrib
) );
400 save_attrib_data(&head
, GL_SCISSOR_BIT
, attr
);
403 if (mask
& GL_STENCIL_BUFFER_BIT
) {
404 struct gl_stencil_attrib
*attr
;
405 attr
= MALLOC_STRUCT( gl_stencil_attrib
);
406 memcpy( attr
, &ctx
->Stencil
, sizeof(struct gl_stencil_attrib
) );
407 save_attrib_data(&head
, GL_STENCIL_BUFFER_BIT
, attr
);
410 if (mask
& GL_TEXTURE_BIT
) {
411 struct texture_state
*texstate
= CALLOC_STRUCT(texture_state
);
415 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glPushAttrib(GL_TEXTURE_BIT)");
419 _mesa_lock_context_textures(ctx
);
421 /* copy/save the bulk of texture state here */
422 memcpy(&texstate
->Texture
, &ctx
->Texture
, sizeof(ctx
->Texture
));
424 /* Save references to the currently bound texture objects so they don't
425 * accidentally get deleted while referenced in the attribute stack.
427 for (u
= 0; u
< ctx
->Const
.MaxTextureUnits
; u
++) {
428 for (tex
= 0; tex
< NUM_TEXTURE_TARGETS
; tex
++) {
429 _mesa_reference_texobj(&texstate
->SavedTexRef
[u
][tex
],
430 ctx
->Texture
.Unit
[u
].CurrentTex
[tex
]);
434 /* copy state/contents of the currently bound texture objects */
435 for (u
= 0; u
< ctx
->Const
.MaxTextureUnits
; u
++) {
436 for (tex
= 0; tex
< NUM_TEXTURE_TARGETS
; tex
++) {
437 _mesa_copy_texture_object(&texstate
->SavedObj
[u
][tex
],
438 ctx
->Texture
.Unit
[u
].CurrentTex
[tex
]);
442 _mesa_unlock_context_textures(ctx
);
444 save_attrib_data(&head
, GL_TEXTURE_BIT
, texstate
);
447 if (mask
& GL_TRANSFORM_BIT
) {
448 struct gl_transform_attrib
*attr
;
449 attr
= MALLOC_STRUCT( gl_transform_attrib
);
450 memcpy( attr
, &ctx
->Transform
, sizeof(struct gl_transform_attrib
) );
451 save_attrib_data(&head
, GL_TRANSFORM_BIT
, attr
);
454 if (mask
& GL_VIEWPORT_BIT
) {
455 struct gl_viewport_attrib
*attr
;
456 attr
= MALLOC_STRUCT( gl_viewport_attrib
);
457 memcpy( attr
, &ctx
->Viewport
, sizeof(struct gl_viewport_attrib
) );
458 save_attrib_data(&head
, GL_VIEWPORT_BIT
, attr
);
461 /* GL_ARB_multisample */
462 if (mask
& GL_MULTISAMPLE_BIT_ARB
) {
463 struct gl_multisample_attrib
*attr
;
464 attr
= MALLOC_STRUCT( gl_multisample_attrib
);
465 memcpy( attr
, &ctx
->Multisample
, sizeof(struct gl_multisample_attrib
) );
466 save_attrib_data(&head
, GL_MULTISAMPLE_BIT_ARB
, attr
);
470 ctx
->AttribStack
[ctx
->AttribStackDepth
] = head
;
471 ctx
->AttribStackDepth
++;
477 pop_enable_group(struct gl_context
*ctx
, const struct gl_enable_attrib
*enable
)
479 const GLuint curTexUnitSave
= ctx
->Texture
.CurrentUnit
;
482 #define TEST_AND_UPDATE(VALUE, NEWVALUE, ENUM) \
483 if ((VALUE) != (NEWVALUE)) { \
484 _mesa_set_enable( ctx, ENUM, (NEWVALUE) ); \
487 TEST_AND_UPDATE(ctx
->Color
.AlphaEnabled
, enable
->AlphaTest
, GL_ALPHA_TEST
);
488 if (ctx
->Color
.BlendEnabled
!= enable
->Blend
) {
489 if (ctx
->Extensions
.EXT_draw_buffers2
) {
491 for (i
= 0; i
< ctx
->Const
.MaxDrawBuffers
; i
++) {
492 _mesa_set_enablei(ctx
, GL_BLEND
, i
, (enable
->Blend
>> i
) & 1);
496 _mesa_set_enable(ctx
, GL_BLEND
, (enable
->Blend
& 1));
500 for (i
=0;i
<MAX_CLIP_PLANES
;i
++) {
501 const GLuint mask
= 1 << i
;
502 if ((ctx
->Transform
.ClipPlanesEnabled
& mask
) != (enable
->ClipPlanes
& mask
))
503 _mesa_set_enable(ctx
, (GLenum
) (GL_CLIP_PLANE0
+ i
),
504 (GLboolean
) ((enable
->ClipPlanes
& mask
) ? GL_TRUE
: GL_FALSE
));
507 TEST_AND_UPDATE(ctx
->Light
.ColorMaterialEnabled
, enable
->ColorMaterial
,
509 TEST_AND_UPDATE(ctx
->Polygon
.CullFlag
, enable
->CullFace
, GL_CULL_FACE
);
510 TEST_AND_UPDATE(ctx
->Transform
.DepthClamp
, enable
->DepthClamp
,
512 TEST_AND_UPDATE(ctx
->Depth
.Test
, enable
->DepthTest
, GL_DEPTH_TEST
);
513 TEST_AND_UPDATE(ctx
->Color
.DitherFlag
, enable
->Dither
, GL_DITHER
);
514 TEST_AND_UPDATE(ctx
->Fog
.Enabled
, enable
->Fog
, GL_FOG
);
515 TEST_AND_UPDATE(ctx
->Light
.Enabled
, enable
->Lighting
, GL_LIGHTING
);
516 TEST_AND_UPDATE(ctx
->Line
.SmoothFlag
, enable
->LineSmooth
, GL_LINE_SMOOTH
);
517 TEST_AND_UPDATE(ctx
->Line
.StippleFlag
, enable
->LineStipple
,
519 TEST_AND_UPDATE(ctx
->Color
.IndexLogicOpEnabled
, enable
->IndexLogicOp
,
521 TEST_AND_UPDATE(ctx
->Color
.ColorLogicOpEnabled
, enable
->ColorLogicOp
,
524 TEST_AND_UPDATE(ctx
->Eval
.Map1Color4
, enable
->Map1Color4
, GL_MAP1_COLOR_4
);
525 TEST_AND_UPDATE(ctx
->Eval
.Map1Index
, enable
->Map1Index
, GL_MAP1_INDEX
);
526 TEST_AND_UPDATE(ctx
->Eval
.Map1Normal
, enable
->Map1Normal
, GL_MAP1_NORMAL
);
527 TEST_AND_UPDATE(ctx
->Eval
.Map1TextureCoord1
, enable
->Map1TextureCoord1
,
528 GL_MAP1_TEXTURE_COORD_1
);
529 TEST_AND_UPDATE(ctx
->Eval
.Map1TextureCoord2
, enable
->Map1TextureCoord2
,
530 GL_MAP1_TEXTURE_COORD_2
);
531 TEST_AND_UPDATE(ctx
->Eval
.Map1TextureCoord3
, enable
->Map1TextureCoord3
,
532 GL_MAP1_TEXTURE_COORD_3
);
533 TEST_AND_UPDATE(ctx
->Eval
.Map1TextureCoord4
, enable
->Map1TextureCoord4
,
534 GL_MAP1_TEXTURE_COORD_4
);
535 TEST_AND_UPDATE(ctx
->Eval
.Map1Vertex3
, enable
->Map1Vertex3
,
537 TEST_AND_UPDATE(ctx
->Eval
.Map1Vertex4
, enable
->Map1Vertex4
,
539 for (i
= 0; i
< 16; i
++) {
540 TEST_AND_UPDATE(ctx
->Eval
.Map1Attrib
[i
], enable
->Map1Attrib
[i
],
541 GL_MAP1_VERTEX_ATTRIB0_4_NV
+ i
);
544 TEST_AND_UPDATE(ctx
->Eval
.Map2Color4
, enable
->Map2Color4
, GL_MAP2_COLOR_4
);
545 TEST_AND_UPDATE(ctx
->Eval
.Map2Index
, enable
->Map2Index
, GL_MAP2_INDEX
);
546 TEST_AND_UPDATE(ctx
->Eval
.Map2Normal
, enable
->Map2Normal
, GL_MAP2_NORMAL
);
547 TEST_AND_UPDATE(ctx
->Eval
.Map2TextureCoord1
, enable
->Map2TextureCoord1
,
548 GL_MAP2_TEXTURE_COORD_1
);
549 TEST_AND_UPDATE(ctx
->Eval
.Map2TextureCoord2
, enable
->Map2TextureCoord2
,
550 GL_MAP2_TEXTURE_COORD_2
);
551 TEST_AND_UPDATE(ctx
->Eval
.Map2TextureCoord3
, enable
->Map2TextureCoord3
,
552 GL_MAP2_TEXTURE_COORD_3
);
553 TEST_AND_UPDATE(ctx
->Eval
.Map2TextureCoord4
, enable
->Map2TextureCoord4
,
554 GL_MAP2_TEXTURE_COORD_4
);
555 TEST_AND_UPDATE(ctx
->Eval
.Map2Vertex3
, enable
->Map2Vertex3
,
557 TEST_AND_UPDATE(ctx
->Eval
.Map2Vertex4
, enable
->Map2Vertex4
,
559 for (i
= 0; i
< 16; i
++) {
560 TEST_AND_UPDATE(ctx
->Eval
.Map2Attrib
[i
], enable
->Map2Attrib
[i
],
561 GL_MAP2_VERTEX_ATTRIB0_4_NV
+ i
);
564 TEST_AND_UPDATE(ctx
->Eval
.AutoNormal
, enable
->AutoNormal
, GL_AUTO_NORMAL
);
565 TEST_AND_UPDATE(ctx
->Transform
.Normalize
, enable
->Normalize
, GL_NORMALIZE
);
566 TEST_AND_UPDATE(ctx
->Transform
.RescaleNormals
, enable
->RescaleNormals
,
567 GL_RESCALE_NORMAL_EXT
);
568 TEST_AND_UPDATE(ctx
->Transform
.RasterPositionUnclipped
,
569 enable
->RasterPositionUnclipped
,
570 GL_RASTER_POSITION_UNCLIPPED_IBM
);
571 TEST_AND_UPDATE(ctx
->Point
.SmoothFlag
, enable
->PointSmooth
,
573 if (ctx
->Extensions
.NV_point_sprite
|| ctx
->Extensions
.ARB_point_sprite
) {
574 TEST_AND_UPDATE(ctx
->Point
.PointSprite
, enable
->PointSprite
,
577 TEST_AND_UPDATE(ctx
->Polygon
.OffsetPoint
, enable
->PolygonOffsetPoint
,
578 GL_POLYGON_OFFSET_POINT
);
579 TEST_AND_UPDATE(ctx
->Polygon
.OffsetLine
, enable
->PolygonOffsetLine
,
580 GL_POLYGON_OFFSET_LINE
);
581 TEST_AND_UPDATE(ctx
->Polygon
.OffsetFill
, enable
->PolygonOffsetFill
,
582 GL_POLYGON_OFFSET_FILL
);
583 TEST_AND_UPDATE(ctx
->Polygon
.SmoothFlag
, enable
->PolygonSmooth
,
585 TEST_AND_UPDATE(ctx
->Polygon
.StippleFlag
, enable
->PolygonStipple
,
587 TEST_AND_UPDATE(ctx
->Scissor
.Enabled
, enable
->Scissor
, GL_SCISSOR_TEST
);
588 TEST_AND_UPDATE(ctx
->Stencil
.Enabled
, enable
->Stencil
, GL_STENCIL_TEST
);
589 if (ctx
->Extensions
.EXT_stencil_two_side
) {
590 TEST_AND_UPDATE(ctx
->Stencil
.TestTwoSide
, enable
->StencilTwoSide
, GL_STENCIL_TEST_TWO_SIDE_EXT
);
592 TEST_AND_UPDATE(ctx
->Multisample
.Enabled
, enable
->MultisampleEnabled
,
594 TEST_AND_UPDATE(ctx
->Multisample
.SampleAlphaToCoverage
,
595 enable
->SampleAlphaToCoverage
,
596 GL_SAMPLE_ALPHA_TO_COVERAGE_ARB
);
597 TEST_AND_UPDATE(ctx
->Multisample
.SampleAlphaToOne
,
598 enable
->SampleAlphaToOne
,
599 GL_SAMPLE_ALPHA_TO_ONE_ARB
);
600 TEST_AND_UPDATE(ctx
->Multisample
.SampleCoverage
,
601 enable
->SampleCoverage
,
602 GL_SAMPLE_COVERAGE_ARB
);
603 TEST_AND_UPDATE(ctx
->Multisample
.SampleCoverageInvert
,
604 enable
->SampleCoverageInvert
,
605 GL_SAMPLE_COVERAGE_INVERT_ARB
);
606 /* GL_ARB_vertex_program, GL_NV_vertex_program */
607 TEST_AND_UPDATE(ctx
->VertexProgram
.Enabled
,
608 enable
->VertexProgram
,
609 GL_VERTEX_PROGRAM_ARB
);
610 TEST_AND_UPDATE(ctx
->VertexProgram
.PointSizeEnabled
,
611 enable
->VertexProgramPointSize
,
612 GL_VERTEX_PROGRAM_POINT_SIZE_ARB
);
613 TEST_AND_UPDATE(ctx
->VertexProgram
.TwoSideEnabled
,
614 enable
->VertexProgramTwoSide
,
615 GL_VERTEX_PROGRAM_TWO_SIDE_ARB
);
617 #undef TEST_AND_UPDATE
619 /* texture unit enables */
620 for (i
= 0; i
< ctx
->Const
.MaxTextureUnits
; i
++) {
621 const GLbitfield enabled
= enable
->Texture
[i
];
622 const GLbitfield genEnabled
= enable
->TexGen
[i
];
624 if (ctx
->Texture
.Unit
[i
].Enabled
!= enabled
) {
625 _mesa_ActiveTextureARB(GL_TEXTURE0
+ i
);
627 _mesa_set_enable(ctx
, GL_TEXTURE_1D
,
628 (enabled
& TEXTURE_1D_BIT
) ? GL_TRUE
: GL_FALSE
);
629 _mesa_set_enable(ctx
, GL_TEXTURE_2D
,
630 (enabled
& TEXTURE_2D_BIT
) ? GL_TRUE
: GL_FALSE
);
631 _mesa_set_enable(ctx
, GL_TEXTURE_3D
,
632 (enabled
& TEXTURE_3D_BIT
) ? GL_TRUE
: GL_FALSE
);
633 if (ctx
->Extensions
.NV_texture_rectangle
) {
634 _mesa_set_enable(ctx
, GL_TEXTURE_RECTANGLE_ARB
,
635 (enabled
& TEXTURE_RECT_BIT
) ? GL_TRUE
: GL_FALSE
);
637 if (ctx
->Extensions
.ARB_texture_cube_map
) {
638 _mesa_set_enable(ctx
, GL_TEXTURE_CUBE_MAP
,
639 (enabled
& TEXTURE_CUBE_BIT
) ? GL_TRUE
: GL_FALSE
);
641 if (ctx
->Extensions
.MESA_texture_array
) {
642 _mesa_set_enable(ctx
, GL_TEXTURE_1D_ARRAY_EXT
,
643 (enabled
& TEXTURE_1D_ARRAY_BIT
) ? GL_TRUE
: GL_FALSE
);
644 _mesa_set_enable(ctx
, GL_TEXTURE_2D_ARRAY_EXT
,
645 (enabled
& TEXTURE_2D_ARRAY_BIT
) ? GL_TRUE
: GL_FALSE
);
649 if (ctx
->Texture
.Unit
[i
].TexGenEnabled
!= genEnabled
) {
650 _mesa_ActiveTextureARB(GL_TEXTURE0
+ i
);
651 _mesa_set_enable(ctx
, GL_TEXTURE_GEN_S
,
652 (genEnabled
& S_BIT
) ? GL_TRUE
: GL_FALSE
);
653 _mesa_set_enable(ctx
, GL_TEXTURE_GEN_T
,
654 (genEnabled
& T_BIT
) ? GL_TRUE
: GL_FALSE
);
655 _mesa_set_enable(ctx
, GL_TEXTURE_GEN_R
,
656 (genEnabled
& R_BIT
) ? GL_TRUE
: GL_FALSE
);
657 _mesa_set_enable(ctx
, GL_TEXTURE_GEN_Q
,
658 (genEnabled
& Q_BIT
) ? GL_TRUE
: GL_FALSE
);
661 /* GL_SGI_texture_color_table */
662 ctx
->Texture
.Unit
[i
].ColorTableEnabled
= enable
->TextureColorTable
[i
];
665 _mesa_ActiveTextureARB(GL_TEXTURE0
+ curTexUnitSave
);
670 * Pop/restore texture attribute/group state.
673 pop_texture_group(struct gl_context
*ctx
, struct texture_state
*texstate
)
677 _mesa_lock_context_textures(ctx
);
679 for (u
= 0; u
< ctx
->Const
.MaxTextureUnits
; u
++) {
680 const struct gl_texture_unit
*unit
= &texstate
->Texture
.Unit
[u
];
683 _mesa_ActiveTextureARB(GL_TEXTURE0_ARB
+ u
);
684 _mesa_set_enable(ctx
, GL_TEXTURE_1D
,
685 (unit
->Enabled
& TEXTURE_1D_BIT
) ? GL_TRUE
: GL_FALSE
);
686 _mesa_set_enable(ctx
, GL_TEXTURE_2D
,
687 (unit
->Enabled
& TEXTURE_2D_BIT
) ? GL_TRUE
: GL_FALSE
);
688 _mesa_set_enable(ctx
, GL_TEXTURE_3D
,
689 (unit
->Enabled
& TEXTURE_3D_BIT
) ? GL_TRUE
: GL_FALSE
);
690 if (ctx
->Extensions
.ARB_texture_cube_map
) {
691 _mesa_set_enable(ctx
, GL_TEXTURE_CUBE_MAP_ARB
,
692 (unit
->Enabled
& TEXTURE_CUBE_BIT
) ? GL_TRUE
: GL_FALSE
);
694 if (ctx
->Extensions
.NV_texture_rectangle
) {
695 _mesa_set_enable(ctx
, GL_TEXTURE_RECTANGLE_NV
,
696 (unit
->Enabled
& TEXTURE_RECT_BIT
) ? GL_TRUE
: GL_FALSE
);
698 if (ctx
->Extensions
.MESA_texture_array
) {
699 _mesa_set_enable(ctx
, GL_TEXTURE_1D_ARRAY_EXT
,
700 (unit
->Enabled
& TEXTURE_1D_ARRAY_BIT
) ? GL_TRUE
: GL_FALSE
);
701 _mesa_set_enable(ctx
, GL_TEXTURE_2D_ARRAY_EXT
,
702 (unit
->Enabled
& TEXTURE_2D_ARRAY_BIT
) ? GL_TRUE
: GL_FALSE
);
705 if (ctx
->Extensions
.SGI_texture_color_table
) {
706 _mesa_set_enable(ctx
, GL_TEXTURE_COLOR_TABLE_SGI
,
707 unit
->ColorTableEnabled
);
709 _mesa_TexEnvi(GL_TEXTURE_ENV
, GL_TEXTURE_ENV_MODE
, unit
->EnvMode
);
710 _mesa_TexEnvfv(GL_TEXTURE_ENV
, GL_TEXTURE_ENV_COLOR
, unit
->EnvColor
);
711 _mesa_TexGeni(GL_S
, GL_TEXTURE_GEN_MODE
, unit
->GenS
.Mode
);
712 _mesa_TexGeni(GL_T
, GL_TEXTURE_GEN_MODE
, unit
->GenT
.Mode
);
713 _mesa_TexGeni(GL_R
, GL_TEXTURE_GEN_MODE
, unit
->GenR
.Mode
);
714 _mesa_TexGeni(GL_Q
, GL_TEXTURE_GEN_MODE
, unit
->GenQ
.Mode
);
715 _mesa_TexGenfv(GL_S
, GL_OBJECT_PLANE
, unit
->GenS
.ObjectPlane
);
716 _mesa_TexGenfv(GL_T
, GL_OBJECT_PLANE
, unit
->GenT
.ObjectPlane
);
717 _mesa_TexGenfv(GL_R
, GL_OBJECT_PLANE
, unit
->GenR
.ObjectPlane
);
718 _mesa_TexGenfv(GL_Q
, GL_OBJECT_PLANE
, unit
->GenQ
.ObjectPlane
);
719 /* Eye plane done differently to avoid re-transformation */
721 struct gl_texture_unit
*destUnit
= &ctx
->Texture
.Unit
[u
];
722 COPY_4FV(destUnit
->GenS
.EyePlane
, unit
->GenS
.EyePlane
);
723 COPY_4FV(destUnit
->GenT
.EyePlane
, unit
->GenT
.EyePlane
);
724 COPY_4FV(destUnit
->GenR
.EyePlane
, unit
->GenR
.EyePlane
);
725 COPY_4FV(destUnit
->GenQ
.EyePlane
, unit
->GenQ
.EyePlane
);
726 if (ctx
->Driver
.TexGen
) {
727 ctx
->Driver
.TexGen(ctx
, GL_S
, GL_EYE_PLANE
, unit
->GenS
.EyePlane
);
728 ctx
->Driver
.TexGen(ctx
, GL_T
, GL_EYE_PLANE
, unit
->GenT
.EyePlane
);
729 ctx
->Driver
.TexGen(ctx
, GL_R
, GL_EYE_PLANE
, unit
->GenR
.EyePlane
);
730 ctx
->Driver
.TexGen(ctx
, GL_Q
, GL_EYE_PLANE
, unit
->GenQ
.EyePlane
);
733 _mesa_set_enable(ctx
, GL_TEXTURE_GEN_S
,
734 ((unit
->TexGenEnabled
& S_BIT
) ? GL_TRUE
: GL_FALSE
));
735 _mesa_set_enable(ctx
, GL_TEXTURE_GEN_T
,
736 ((unit
->TexGenEnabled
& T_BIT
) ? GL_TRUE
: GL_FALSE
));
737 _mesa_set_enable(ctx
, GL_TEXTURE_GEN_R
,
738 ((unit
->TexGenEnabled
& R_BIT
) ? GL_TRUE
: GL_FALSE
));
739 _mesa_set_enable(ctx
, GL_TEXTURE_GEN_Q
,
740 ((unit
->TexGenEnabled
& Q_BIT
) ? GL_TRUE
: GL_FALSE
));
741 if (ctx
->Extensions
.EXT_texture_lod_bias
) {
742 _mesa_TexEnvf(GL_TEXTURE_FILTER_CONTROL_EXT
,
743 GL_TEXTURE_LOD_BIAS_EXT
, unit
->LodBias
);
745 if (ctx
->Extensions
.EXT_texture_env_combine
||
746 ctx
->Extensions
.ARB_texture_env_combine
) {
747 _mesa_TexEnvi(GL_TEXTURE_ENV
, GL_COMBINE_RGB
,
748 unit
->Combine
.ModeRGB
);
749 _mesa_TexEnvi(GL_TEXTURE_ENV
, GL_COMBINE_ALPHA
,
750 unit
->Combine
.ModeA
);
751 _mesa_TexEnvi(GL_TEXTURE_ENV
, GL_SOURCE0_RGB
,
752 unit
->Combine
.SourceRGB
[0]);
753 _mesa_TexEnvi(GL_TEXTURE_ENV
, GL_SOURCE1_RGB
,
754 unit
->Combine
.SourceRGB
[1]);
755 _mesa_TexEnvi(GL_TEXTURE_ENV
, GL_SOURCE2_RGB
,
756 unit
->Combine
.SourceRGB
[2]);
757 _mesa_TexEnvi(GL_TEXTURE_ENV
, GL_SOURCE0_ALPHA
,
758 unit
->Combine
.SourceA
[0]);
759 _mesa_TexEnvi(GL_TEXTURE_ENV
, GL_SOURCE1_ALPHA
,
760 unit
->Combine
.SourceA
[1]);
761 _mesa_TexEnvi(GL_TEXTURE_ENV
, GL_SOURCE2_ALPHA
,
762 unit
->Combine
.SourceA
[2]);
763 _mesa_TexEnvi(GL_TEXTURE_ENV
, GL_OPERAND0_RGB
,
764 unit
->Combine
.OperandRGB
[0]);
765 _mesa_TexEnvi(GL_TEXTURE_ENV
, GL_OPERAND1_RGB
,
766 unit
->Combine
.OperandRGB
[1]);
767 _mesa_TexEnvi(GL_TEXTURE_ENV
, GL_OPERAND2_RGB
,
768 unit
->Combine
.OperandRGB
[2]);
769 _mesa_TexEnvi(GL_TEXTURE_ENV
, GL_OPERAND0_ALPHA
,
770 unit
->Combine
.OperandA
[0]);
771 _mesa_TexEnvi(GL_TEXTURE_ENV
, GL_OPERAND1_ALPHA
,
772 unit
->Combine
.OperandA
[1]);
773 _mesa_TexEnvi(GL_TEXTURE_ENV
, GL_OPERAND2_ALPHA
,
774 unit
->Combine
.OperandA
[2]);
775 _mesa_TexEnvi(GL_TEXTURE_ENV
, GL_RGB_SCALE
,
776 1 << unit
->Combine
.ScaleShiftRGB
);
777 _mesa_TexEnvi(GL_TEXTURE_ENV
, GL_ALPHA_SCALE
,
778 1 << unit
->Combine
.ScaleShiftA
);
781 /* Restore texture object state for each target */
782 for (tgt
= 0; tgt
< NUM_TEXTURE_TARGETS
; tgt
++) {
783 const struct gl_texture_object
*obj
= NULL
;
786 obj
= &texstate
->SavedObj
[u
][tgt
];
788 /* don't restore state for unsupported targets to prevent
791 if (obj
->Target
== GL_TEXTURE_CUBE_MAP_ARB
&&
792 !ctx
->Extensions
.ARB_texture_cube_map
) {
795 else if (obj
->Target
== GL_TEXTURE_RECTANGLE_NV
&&
796 !ctx
->Extensions
.NV_texture_rectangle
) {
799 else if ((obj
->Target
== GL_TEXTURE_1D_ARRAY_EXT
||
800 obj
->Target
== GL_TEXTURE_2D_ARRAY_EXT
) &&
801 !ctx
->Extensions
.MESA_texture_array
) {
805 target
= obj
->Target
;
807 _mesa_BindTexture(target
, obj
->Name
);
809 _mesa_TexParameterfv(target
, GL_TEXTURE_BORDER_COLOR
, obj
->BorderColor
.f
);
810 _mesa_TexParameterf(target
, GL_TEXTURE_PRIORITY
, obj
->Priority
);
811 _mesa_TexParameteri(target
, GL_TEXTURE_WRAP_S
, obj
->WrapS
);
812 _mesa_TexParameteri(target
, GL_TEXTURE_WRAP_T
, obj
->WrapT
);
813 _mesa_TexParameteri(target
, GL_TEXTURE_WRAP_R
, obj
->WrapR
);
814 _mesa_TexParameteri(target
, GL_TEXTURE_MIN_FILTER
, obj
->MinFilter
);
815 _mesa_TexParameteri(target
, GL_TEXTURE_MAG_FILTER
, obj
->MagFilter
);
816 _mesa_TexParameterf(target
, GL_TEXTURE_MIN_LOD
, obj
->MinLod
);
817 _mesa_TexParameterf(target
, GL_TEXTURE_MAX_LOD
, obj
->MaxLod
);
818 _mesa_TexParameterf(target
, GL_TEXTURE_LOD_BIAS
, obj
->LodBias
);
819 _mesa_TexParameteri(target
, GL_TEXTURE_BASE_LEVEL
, obj
->BaseLevel
);
820 if (target
!= GL_TEXTURE_RECTANGLE_ARB
)
821 _mesa_TexParameteri(target
, GL_TEXTURE_MAX_LEVEL
, obj
->MaxLevel
);
822 if (ctx
->Extensions
.EXT_texture_filter_anisotropic
) {
823 _mesa_TexParameterf(target
, GL_TEXTURE_MAX_ANISOTROPY_EXT
,
826 if (ctx
->Extensions
.ARB_shadow_ambient
) {
827 _mesa_TexParameterf(target
, GL_TEXTURE_COMPARE_FAIL_VALUE_ARB
,
828 obj
->CompareFailValue
);
832 /* remove saved references to the texture objects */
833 for (tgt
= 0; tgt
< NUM_TEXTURE_TARGETS
; tgt
++) {
834 _mesa_reference_texobj(&texstate
->SavedTexRef
[u
][tgt
], NULL
);
838 _mesa_ActiveTextureARB(GL_TEXTURE0_ARB
+ texstate
->Texture
.CurrentUnit
);
840 _mesa_unlock_context_textures(ctx
);
845 * This function is kind of long just because we have to call a lot
846 * of device driver functions to update device driver state.
848 * XXX As it is now, most of the pop-code calls immediate-mode Mesa functions
849 * in order to restore GL state. This isn't terribly efficient but it
850 * ensures that dirty flags and any derived state gets updated correctly.
851 * We could at least check if the value to restore equals the current value
852 * and then skip the Mesa call.
855 _mesa_PopAttrib(void)
857 struct gl_attrib_node
*attr
, *next
;
858 GET_CURRENT_CONTEXT(ctx
);
859 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
861 if (ctx
->AttribStackDepth
== 0) {
862 _mesa_error( ctx
, GL_STACK_UNDERFLOW
, "glPopAttrib" );
866 ctx
->AttribStackDepth
--;
867 attr
= ctx
->AttribStack
[ctx
->AttribStackDepth
];
871 if (MESA_VERBOSE
& VERBOSE_API
) {
872 _mesa_debug(ctx
, "glPopAttrib %s\n",
873 _mesa_lookup_enum_by_nr(attr
->kind
));
876 switch (attr
->kind
) {
877 case GL_ACCUM_BUFFER_BIT
:
879 const struct gl_accum_attrib
*accum
;
880 accum
= (const struct gl_accum_attrib
*) attr
->data
;
881 _mesa_ClearAccum(accum
->ClearColor
[0],
882 accum
->ClearColor
[1],
883 accum
->ClearColor
[2],
884 accum
->ClearColor
[3]);
887 case GL_COLOR_BUFFER_BIT
:
889 const struct gl_colorbuffer_attrib
*color
;
891 color
= (const struct gl_colorbuffer_attrib
*) attr
->data
;
892 _mesa_ClearIndex((GLfloat
) color
->ClearIndex
);
893 _mesa_ClearColor(color
->ClearColor
[0],
894 color
->ClearColor
[1],
895 color
->ClearColor
[2],
896 color
->ClearColor
[3]);
897 _mesa_IndexMask(color
->IndexMask
);
898 if (!ctx
->Extensions
.EXT_draw_buffers2
) {
899 _mesa_ColorMask((GLboolean
) (color
->ColorMask
[0][0] != 0),
900 (GLboolean
) (color
->ColorMask
[0][1] != 0),
901 (GLboolean
) (color
->ColorMask
[0][2] != 0),
902 (GLboolean
) (color
->ColorMask
[0][3] != 0));
906 for (i
= 0; i
< ctx
->Const
.MaxDrawBuffers
; i
++) {
907 _mesa_ColorMaskIndexed(i
,
908 (GLboolean
) (color
->ColorMask
[i
][0] != 0),
909 (GLboolean
) (color
->ColorMask
[i
][1] != 0),
910 (GLboolean
) (color
->ColorMask
[i
][2] != 0),
911 (GLboolean
) (color
->ColorMask
[i
][3] != 0));
915 /* Need to determine if more than one color output is
916 * specified. If so, call glDrawBuffersARB, else call
917 * glDrawBuffer(). This is a subtle, but essential point
918 * since GL_FRONT (for example) is illegal for the former
919 * function, but legal for the later.
921 GLboolean multipleBuffers
= GL_FALSE
;
924 for (i
= 1; i
< ctx
->Const
.MaxDrawBuffers
; i
++) {
925 if (color
->DrawBuffer
[i
] != GL_NONE
) {
926 multipleBuffers
= GL_TRUE
;
930 /* Call the API_level functions, not _mesa_drawbuffers()
931 * since we need to do error checking on the pop'd
933 * Ex: if GL_FRONT were pushed, but we're popping with a
934 * user FBO bound, GL_FRONT will be illegal and we'll need
935 * to record that error. Per OpenGL ARB decision.
938 _mesa_DrawBuffersARB(ctx
->Const
.MaxDrawBuffers
,
941 _mesa_DrawBuffer(color
->DrawBuffer
[0]);
943 _mesa_set_enable(ctx
, GL_ALPHA_TEST
, color
->AlphaEnabled
);
944 _mesa_AlphaFunc(color
->AlphaFunc
, color
->AlphaRef
);
945 if (ctx
->Color
.BlendEnabled
!= color
->BlendEnabled
) {
946 if (ctx
->Extensions
.EXT_draw_buffers2
) {
948 for (i
= 0; i
< ctx
->Const
.MaxDrawBuffers
; i
++) {
949 _mesa_set_enablei(ctx
, GL_BLEND
, i
,
950 (color
->BlendEnabled
>> i
) & 1);
954 _mesa_set_enable(ctx
, GL_BLEND
, (color
->BlendEnabled
& 1));
957 _mesa_BlendFuncSeparateEXT(color
->BlendSrcRGB
,
961 /* This special case is because glBlendEquationSeparateEXT
962 * cannot take GL_LOGIC_OP as a parameter.
964 if ( color
->BlendEquationRGB
== color
->BlendEquationA
) {
965 _mesa_BlendEquation(color
->BlendEquationRGB
);
968 _mesa_BlendEquationSeparateEXT(color
->BlendEquationRGB
,
969 color
->BlendEquationA
);
971 _mesa_BlendColor(color
->BlendColor
[0],
972 color
->BlendColor
[1],
973 color
->BlendColor
[2],
974 color
->BlendColor
[3]);
975 _mesa_LogicOp(color
->LogicOp
);
976 _mesa_set_enable(ctx
, GL_COLOR_LOGIC_OP
,
977 color
->ColorLogicOpEnabled
);
978 _mesa_set_enable(ctx
, GL_INDEX_LOGIC_OP
,
979 color
->IndexLogicOpEnabled
);
980 _mesa_set_enable(ctx
, GL_DITHER
, color
->DitherFlag
);
984 FLUSH_CURRENT( ctx
, 0 );
985 memcpy( &ctx
->Current
, attr
->data
,
986 sizeof(struct gl_current_attrib
) );
988 case GL_DEPTH_BUFFER_BIT
:
990 const struct gl_depthbuffer_attrib
*depth
;
991 depth
= (const struct gl_depthbuffer_attrib
*) attr
->data
;
992 _mesa_DepthFunc(depth
->Func
);
993 _mesa_ClearDepth(depth
->Clear
);
994 _mesa_set_enable(ctx
, GL_DEPTH_TEST
, depth
->Test
);
995 _mesa_DepthMask(depth
->Mask
);
1000 const struct gl_enable_attrib
*enable
;
1001 enable
= (const struct gl_enable_attrib
*) attr
->data
;
1002 pop_enable_group(ctx
, enable
);
1003 ctx
->NewState
|= _NEW_ALL
;
1007 memcpy( &ctx
->Eval
, attr
->data
, sizeof(struct gl_eval_attrib
) );
1008 ctx
->NewState
|= _NEW_EVAL
;
1012 const struct gl_fog_attrib
*fog
;
1013 fog
= (const struct gl_fog_attrib
*) attr
->data
;
1014 _mesa_set_enable(ctx
, GL_FOG
, fog
->Enabled
);
1015 _mesa_Fogfv(GL_FOG_COLOR
, fog
->Color
);
1016 _mesa_Fogf(GL_FOG_DENSITY
, fog
->Density
);
1017 _mesa_Fogf(GL_FOG_START
, fog
->Start
);
1018 _mesa_Fogf(GL_FOG_END
, fog
->End
);
1019 _mesa_Fogf(GL_FOG_INDEX
, fog
->Index
);
1020 _mesa_Fogi(GL_FOG_MODE
, fog
->Mode
);
1025 const struct gl_hint_attrib
*hint
;
1026 hint
= (const struct gl_hint_attrib
*) attr
->data
;
1027 _mesa_Hint(GL_PERSPECTIVE_CORRECTION_HINT
,
1028 hint
->PerspectiveCorrection
);
1029 _mesa_Hint(GL_POINT_SMOOTH_HINT
, hint
->PointSmooth
);
1030 _mesa_Hint(GL_LINE_SMOOTH_HINT
, hint
->LineSmooth
);
1031 _mesa_Hint(GL_POLYGON_SMOOTH_HINT
, hint
->PolygonSmooth
);
1032 _mesa_Hint(GL_FOG_HINT
, hint
->Fog
);
1033 _mesa_Hint(GL_CLIP_VOLUME_CLIPPING_HINT_EXT
,
1034 hint
->ClipVolumeClipping
);
1035 _mesa_Hint(GL_TEXTURE_COMPRESSION_HINT_ARB
,
1036 hint
->TextureCompression
);
1039 case GL_LIGHTING_BIT
:
1042 const struct gl_light_attrib
*light
;
1043 light
= (const struct gl_light_attrib
*) attr
->data
;
1044 /* lighting enable */
1045 _mesa_set_enable(ctx
, GL_LIGHTING
, light
->Enabled
);
1046 /* per-light state */
1047 if (_math_matrix_is_dirty(ctx
->ModelviewMatrixStack
.Top
))
1048 _math_matrix_analyse( ctx
->ModelviewMatrixStack
.Top
);
1050 for (i
= 0; i
< ctx
->Const
.MaxLights
; i
++) {
1051 const struct gl_light
*l
= &light
->Light
[i
];
1052 _mesa_set_enable(ctx
, GL_LIGHT0
+ i
, l
->Enabled
);
1053 _mesa_light(ctx
, i
, GL_AMBIENT
, l
->Ambient
);
1054 _mesa_light(ctx
, i
, GL_DIFFUSE
, l
->Diffuse
);
1055 _mesa_light(ctx
, i
, GL_SPECULAR
, l
->Specular
);
1056 _mesa_light(ctx
, i
, GL_POSITION
, l
->EyePosition
);
1057 _mesa_light(ctx
, i
, GL_SPOT_DIRECTION
, l
->SpotDirection
);
1059 GLfloat p
[4] = { 0 };
1060 p
[0] = l
->SpotExponent
;
1061 _mesa_light(ctx
, i
, GL_SPOT_EXPONENT
, p
);
1064 GLfloat p
[4] = { 0 };
1065 p
[0] = l
->SpotCutoff
;
1066 _mesa_light(ctx
, i
, GL_SPOT_CUTOFF
, p
);
1069 GLfloat p
[4] = { 0 };
1070 p
[0] = l
->ConstantAttenuation
;
1071 _mesa_light(ctx
, i
, GL_CONSTANT_ATTENUATION
, p
);
1074 GLfloat p
[4] = { 0 };
1075 p
[0] = l
->LinearAttenuation
;
1076 _mesa_light(ctx
, i
, GL_LINEAR_ATTENUATION
, p
);
1079 GLfloat p
[4] = { 0 };
1080 p
[0] = l
->QuadraticAttenuation
;
1081 _mesa_light(ctx
, i
, GL_QUADRATIC_ATTENUATION
, p
);
1085 _mesa_LightModelfv(GL_LIGHT_MODEL_AMBIENT
,
1086 light
->Model
.Ambient
);
1087 _mesa_LightModelf(GL_LIGHT_MODEL_LOCAL_VIEWER
,
1088 (GLfloat
) light
->Model
.LocalViewer
);
1089 _mesa_LightModelf(GL_LIGHT_MODEL_TWO_SIDE
,
1090 (GLfloat
) light
->Model
.TwoSide
);
1091 _mesa_LightModelf(GL_LIGHT_MODEL_COLOR_CONTROL
,
1092 (GLfloat
) light
->Model
.ColorControl
);
1094 _mesa_ShadeModel(light
->ShadeModel
);
1095 /* color material */
1096 _mesa_ColorMaterial(light
->ColorMaterialFace
,
1097 light
->ColorMaterialMode
);
1098 _mesa_set_enable(ctx
, GL_COLOR_MATERIAL
,
1099 light
->ColorMaterialEnabled
);
1101 memcpy(&ctx
->Light
.Material
, &light
->Material
,
1102 sizeof(struct gl_material
));
1107 const struct gl_line_attrib
*line
;
1108 line
= (const struct gl_line_attrib
*) attr
->data
;
1109 _mesa_set_enable(ctx
, GL_LINE_SMOOTH
, line
->SmoothFlag
);
1110 _mesa_set_enable(ctx
, GL_LINE_STIPPLE
, line
->StippleFlag
);
1111 _mesa_LineStipple(line
->StippleFactor
, line
->StipplePattern
);
1112 _mesa_LineWidth(line
->Width
);
1116 memcpy( &ctx
->List
, attr
->data
, sizeof(struct gl_list_attrib
) );
1118 case GL_PIXEL_MODE_BIT
:
1119 memcpy( &ctx
->Pixel
, attr
->data
, sizeof(struct gl_pixel_attrib
) );
1120 /* XXX what other pixel state needs to be set by function calls? */
1121 _mesa_ReadBuffer(ctx
->Pixel
.ReadBuffer
);
1122 ctx
->NewState
|= _NEW_PIXEL
;
1126 const struct gl_point_attrib
*point
;
1127 point
= (const struct gl_point_attrib
*) attr
->data
;
1128 _mesa_PointSize(point
->Size
);
1129 _mesa_set_enable(ctx
, GL_POINT_SMOOTH
, point
->SmoothFlag
);
1130 if (ctx
->Extensions
.EXT_point_parameters
) {
1131 _mesa_PointParameterfv(GL_DISTANCE_ATTENUATION_EXT
,
1133 _mesa_PointParameterf(GL_POINT_SIZE_MIN_EXT
,
1135 _mesa_PointParameterf(GL_POINT_SIZE_MAX_EXT
,
1137 _mesa_PointParameterf(GL_POINT_FADE_THRESHOLD_SIZE_EXT
,
1140 if (ctx
->Extensions
.NV_point_sprite
1141 || ctx
->Extensions
.ARB_point_sprite
) {
1143 for (u
= 0; u
< ctx
->Const
.MaxTextureUnits
; u
++) {
1144 _mesa_TexEnvi(GL_POINT_SPRITE_NV
, GL_COORD_REPLACE_NV
,
1145 (GLint
) point
->CoordReplace
[u
]);
1147 _mesa_set_enable(ctx
, GL_POINT_SPRITE_NV
,point
->PointSprite
);
1148 if (ctx
->Extensions
.NV_point_sprite
)
1149 _mesa_PointParameteri(GL_POINT_SPRITE_R_MODE_NV
,
1150 ctx
->Point
.SpriteRMode
);
1151 _mesa_PointParameterf(GL_POINT_SPRITE_COORD_ORIGIN
,
1152 (GLfloat
)ctx
->Point
.SpriteOrigin
);
1156 case GL_POLYGON_BIT
:
1158 const struct gl_polygon_attrib
*polygon
;
1159 polygon
= (const struct gl_polygon_attrib
*) attr
->data
;
1160 _mesa_CullFace(polygon
->CullFaceMode
);
1161 _mesa_FrontFace(polygon
->FrontFace
);
1162 _mesa_PolygonMode(GL_FRONT
, polygon
->FrontMode
);
1163 _mesa_PolygonMode(GL_BACK
, polygon
->BackMode
);
1164 _mesa_PolygonOffset(polygon
->OffsetFactor
,
1165 polygon
->OffsetUnits
);
1166 _mesa_set_enable(ctx
, GL_POLYGON_SMOOTH
, polygon
->SmoothFlag
);
1167 _mesa_set_enable(ctx
, GL_POLYGON_STIPPLE
, polygon
->StippleFlag
);
1168 _mesa_set_enable(ctx
, GL_CULL_FACE
, polygon
->CullFlag
);
1169 _mesa_set_enable(ctx
, GL_POLYGON_OFFSET_POINT
,
1170 polygon
->OffsetPoint
);
1171 _mesa_set_enable(ctx
, GL_POLYGON_OFFSET_LINE
,
1172 polygon
->OffsetLine
);
1173 _mesa_set_enable(ctx
, GL_POLYGON_OFFSET_FILL
,
1174 polygon
->OffsetFill
);
1177 case GL_POLYGON_STIPPLE_BIT
:
1178 memcpy( ctx
->PolygonStipple
, attr
->data
, 32*sizeof(GLuint
) );
1179 ctx
->NewState
|= _NEW_POLYGONSTIPPLE
;
1180 if (ctx
->Driver
.PolygonStipple
)
1181 ctx
->Driver
.PolygonStipple( ctx
, (const GLubyte
*) attr
->data
);
1183 case GL_SCISSOR_BIT
:
1185 const struct gl_scissor_attrib
*scissor
;
1186 scissor
= (const struct gl_scissor_attrib
*) attr
->data
;
1187 _mesa_Scissor(scissor
->X
, scissor
->Y
,
1188 scissor
->Width
, scissor
->Height
);
1189 _mesa_set_enable(ctx
, GL_SCISSOR_TEST
, scissor
->Enabled
);
1192 case GL_STENCIL_BUFFER_BIT
:
1194 const struct gl_stencil_attrib
*stencil
;
1195 stencil
= (const struct gl_stencil_attrib
*) attr
->data
;
1196 _mesa_set_enable(ctx
, GL_STENCIL_TEST
, stencil
->Enabled
);
1197 _mesa_ClearStencil(stencil
->Clear
);
1198 if (ctx
->Extensions
.EXT_stencil_two_side
) {
1199 _mesa_set_enable(ctx
, GL_STENCIL_TEST_TWO_SIDE_EXT
,
1200 stencil
->TestTwoSide
);
1201 _mesa_ActiveStencilFaceEXT(stencil
->ActiveFace
1202 ? GL_BACK
: GL_FRONT
);
1205 _mesa_StencilFuncSeparate(GL_FRONT
,
1206 stencil
->Function
[0],
1208 stencil
->ValueMask
[0]);
1209 _mesa_StencilMaskSeparate(GL_FRONT
, stencil
->WriteMask
[0]);
1210 _mesa_StencilOpSeparate(GL_FRONT
, stencil
->FailFunc
[0],
1211 stencil
->ZFailFunc
[0],
1212 stencil
->ZPassFunc
[0]);
1214 _mesa_StencilFuncSeparate(GL_BACK
,
1215 stencil
->Function
[1],
1217 stencil
->ValueMask
[1]);
1218 _mesa_StencilMaskSeparate(GL_BACK
, stencil
->WriteMask
[1]);
1219 _mesa_StencilOpSeparate(GL_BACK
, stencil
->FailFunc
[1],
1220 stencil
->ZFailFunc
[1],
1221 stencil
->ZPassFunc
[1]);
1224 case GL_TRANSFORM_BIT
:
1227 const struct gl_transform_attrib
*xform
;
1228 xform
= (const struct gl_transform_attrib
*) attr
->data
;
1229 _mesa_MatrixMode(xform
->MatrixMode
);
1230 if (_math_matrix_is_dirty(ctx
->ProjectionMatrixStack
.Top
))
1231 _math_matrix_analyse( ctx
->ProjectionMatrixStack
.Top
);
1233 /* restore clip planes */
1234 for (i
= 0; i
< MAX_CLIP_PLANES
; i
++) {
1235 const GLuint mask
= 1 << i
;
1236 const GLfloat
*eyePlane
= xform
->EyeUserPlane
[i
];
1237 COPY_4V(ctx
->Transform
.EyeUserPlane
[i
], eyePlane
);
1238 if (xform
->ClipPlanesEnabled
& mask
) {
1239 _mesa_set_enable(ctx
, GL_CLIP_PLANE0
+ i
, GL_TRUE
);
1242 _mesa_set_enable(ctx
, GL_CLIP_PLANE0
+ i
, GL_FALSE
);
1244 if (ctx
->Driver
.ClipPlane
)
1245 ctx
->Driver
.ClipPlane( ctx
, GL_CLIP_PLANE0
+ i
, eyePlane
);
1248 /* normalize/rescale */
1249 if (xform
->Normalize
!= ctx
->Transform
.Normalize
)
1250 _mesa_set_enable(ctx
, GL_NORMALIZE
,ctx
->Transform
.Normalize
);
1251 if (xform
->RescaleNormals
!= ctx
->Transform
.RescaleNormals
)
1252 _mesa_set_enable(ctx
, GL_RESCALE_NORMAL_EXT
,
1253 ctx
->Transform
.RescaleNormals
);
1254 if (xform
->DepthClamp
!= ctx
->Transform
.DepthClamp
)
1255 _mesa_set_enable(ctx
, GL_DEPTH_CLAMP
,
1256 ctx
->Transform
.DepthClamp
);
1259 case GL_TEXTURE_BIT
:
1260 /* Take care of texture object reference counters */
1262 struct texture_state
*texstate
1263 = (struct texture_state
*) attr
->data
;
1264 pop_texture_group(ctx
, texstate
);
1265 ctx
->NewState
|= _NEW_TEXTURE
;
1268 case GL_VIEWPORT_BIT
:
1270 const struct gl_viewport_attrib
*vp
;
1271 vp
= (const struct gl_viewport_attrib
*) attr
->data
;
1272 _mesa_Viewport(vp
->X
, vp
->Y
, vp
->Width
, vp
->Height
);
1273 _mesa_DepthRange(vp
->Near
, vp
->Far
);
1276 case GL_MULTISAMPLE_BIT_ARB
:
1278 const struct gl_multisample_attrib
*ms
;
1279 ms
= (const struct gl_multisample_attrib
*) attr
->data
;
1280 _mesa_SampleCoverageARB(ms
->SampleCoverageValue
,
1281 ms
->SampleCoverageInvert
);
1286 _mesa_problem( ctx
, "Bad attrib flag in PopAttrib");
1299 * Helper for incrementing/decrementing vertex buffer object reference
1300 * counts when pushing/popping the GL_CLIENT_VERTEX_ARRAY_BIT attribute group.
1303 adjust_buffer_object_ref_counts(struct gl_array_object
*arrayObj
, GLint step
)
1307 arrayObj
->Vertex
.BufferObj
->RefCount
+= step
;
1308 arrayObj
->Weight
.BufferObj
->RefCount
+= step
;
1309 arrayObj
->Normal
.BufferObj
->RefCount
+= step
;
1310 arrayObj
->Color
.BufferObj
->RefCount
+= step
;
1311 arrayObj
->SecondaryColor
.BufferObj
->RefCount
+= step
;
1312 arrayObj
->FogCoord
.BufferObj
->RefCount
+= step
;
1313 arrayObj
->Index
.BufferObj
->RefCount
+= step
;
1314 arrayObj
->EdgeFlag
.BufferObj
->RefCount
+= step
;
1315 for (i
= 0; i
< Elements(arrayObj
->TexCoord
); i
++)
1316 arrayObj
->TexCoord
[i
].BufferObj
->RefCount
+= step
;
1317 for (i
= 0; i
< Elements(arrayObj
->VertexAttrib
); i
++)
1318 arrayObj
->VertexAttrib
[i
].BufferObj
->RefCount
+= step
;
1323 * Copy gl_pixelstore_attrib from src to dst, updating buffer
1327 copy_pixelstore(struct gl_context
*ctx
,
1328 struct gl_pixelstore_attrib
*dst
,
1329 const struct gl_pixelstore_attrib
*src
)
1331 dst
->Alignment
= src
->Alignment
;
1332 dst
->RowLength
= src
->RowLength
;
1333 dst
->SkipPixels
= src
->SkipPixels
;
1334 dst
->SkipRows
= src
->SkipRows
;
1335 dst
->ImageHeight
= src
->ImageHeight
;
1336 dst
->SkipImages
= src
->SkipImages
;
1337 dst
->SwapBytes
= src
->SwapBytes
;
1338 dst
->LsbFirst
= src
->LsbFirst
;
1339 dst
->ClientStorage
= src
->ClientStorage
;
1340 dst
->Invert
= src
->Invert
;
1341 _mesa_reference_buffer_object(ctx
, &dst
->BufferObj
, src
->BufferObj
);
1345 #define GL_CLIENT_PACK_BIT (1<<20)
1346 #define GL_CLIENT_UNPACK_BIT (1<<21)
1350 _mesa_PushClientAttrib(GLbitfield mask
)
1352 struct gl_attrib_node
*head
;
1354 GET_CURRENT_CONTEXT(ctx
);
1355 ASSERT_OUTSIDE_BEGIN_END(ctx
);
1357 if (ctx
->ClientAttribStackDepth
>= MAX_CLIENT_ATTRIB_STACK_DEPTH
) {
1358 _mesa_error( ctx
, GL_STACK_OVERFLOW
, "glPushClientAttrib" );
1362 /* Build linked list of attribute nodes which save all attribute
1363 * groups specified by the mask.
1367 if (mask
& GL_CLIENT_PIXEL_STORE_BIT
) {
1368 struct gl_pixelstore_attrib
*attr
;
1369 /* packing attribs */
1370 attr
= CALLOC_STRUCT( gl_pixelstore_attrib
);
1371 copy_pixelstore(ctx
, attr
, &ctx
->Pack
);
1372 save_attrib_data(&head
, GL_CLIENT_PACK_BIT
, attr
);
1373 /* unpacking attribs */
1374 attr
= CALLOC_STRUCT( gl_pixelstore_attrib
);
1375 copy_pixelstore(ctx
, attr
, &ctx
->Unpack
);
1376 save_attrib_data(&head
, GL_CLIENT_UNPACK_BIT
, attr
);
1379 if (mask
& GL_CLIENT_VERTEX_ARRAY_BIT
) {
1380 struct gl_array_attrib
*attr
;
1381 struct gl_array_object
*obj
;
1383 attr
= MALLOC_STRUCT( gl_array_attrib
);
1384 obj
= MALLOC_STRUCT( gl_array_object
);
1386 #if FEATURE_ARB_vertex_buffer_object
1387 /* increment ref counts since we're copying pointers to these objects */
1388 ctx
->Array
.ArrayBufferObj
->RefCount
++;
1389 ctx
->Array
.ElementArrayBufferObj
->RefCount
++;
1392 memcpy( attr
, &ctx
->Array
, sizeof(struct gl_array_attrib
) );
1393 memcpy( obj
, ctx
->Array
.ArrayObj
, sizeof(struct gl_array_object
) );
1395 attr
->ArrayObj
= obj
;
1397 save_attrib_data(&head
, GL_CLIENT_VERTEX_ARRAY_BIT
, attr
);
1399 /* bump reference counts on buffer objects */
1400 adjust_buffer_object_ref_counts(ctx
->Array
.ArrayObj
, 1);
1403 ctx
->ClientAttribStack
[ctx
->ClientAttribStackDepth
] = head
;
1404 ctx
->ClientAttribStackDepth
++;
1411 _mesa_PopClientAttrib(void)
1413 struct gl_attrib_node
*node
, *next
;
1415 GET_CURRENT_CONTEXT(ctx
);
1416 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx
);
1418 if (ctx
->ClientAttribStackDepth
== 0) {
1419 _mesa_error( ctx
, GL_STACK_UNDERFLOW
, "glPopClientAttrib" );
1423 ctx
->ClientAttribStackDepth
--;
1424 node
= ctx
->ClientAttribStack
[ctx
->ClientAttribStackDepth
];
1427 switch (node
->kind
) {
1428 case GL_CLIENT_PACK_BIT
:
1430 struct gl_pixelstore_attrib
*store
=
1431 (struct gl_pixelstore_attrib
*) node
->data
;
1432 copy_pixelstore(ctx
, &ctx
->Pack
, store
);
1433 _mesa_reference_buffer_object(ctx
, &store
->BufferObj
, NULL
);
1435 ctx
->NewState
|= _NEW_PACKUNPACK
;
1437 case GL_CLIENT_UNPACK_BIT
:
1439 struct gl_pixelstore_attrib
*store
=
1440 (struct gl_pixelstore_attrib
*) node
->data
;
1441 copy_pixelstore(ctx
, &ctx
->Unpack
, store
);
1442 _mesa_reference_buffer_object(ctx
, &store
->BufferObj
, NULL
);
1444 ctx
->NewState
|= _NEW_PACKUNPACK
;
1446 case GL_CLIENT_VERTEX_ARRAY_BIT
: {
1447 struct gl_array_attrib
* data
=
1448 (struct gl_array_attrib
*) node
->data
;
1450 adjust_buffer_object_ref_counts(ctx
->Array
.ArrayObj
, -1);
1452 ctx
->Array
.ActiveTexture
= data
->ActiveTexture
;
1453 if (data
->LockCount
!= 0)
1454 _mesa_LockArraysEXT(data
->LockFirst
, data
->LockCount
);
1455 else if (ctx
->Array
.LockCount
)
1456 _mesa_UnlockArraysEXT();
1458 _mesa_BindVertexArrayAPPLE( data
->ArrayObj
->Name
);
1460 #if FEATURE_ARB_vertex_buffer_object
1461 _mesa_BindBufferARB(GL_ARRAY_BUFFER_ARB
,
1462 data
->ArrayBufferObj
->Name
);
1463 _mesa_BindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB
,
1464 data
->ElementArrayBufferObj
->Name
);
1467 memcpy( ctx
->Array
.ArrayObj
, data
->ArrayObj
,
1468 sizeof( struct gl_array_object
) );
1470 FREE( data
->ArrayObj
);
1472 /* FIXME: Should some bits in ctx->Array->NewState also be set
1473 * FIXME: here? It seems like it should be set to inclusive-or
1474 * FIXME: of the old ArrayObj->_Enabled and the new _Enabled.
1477 ctx
->NewState
|= _NEW_ARRAY
;
1481 _mesa_problem( ctx
, "Bad attrib flag in PopClientAttrib");
1494 _mesa_init_attrib_dispatch(struct _glapi_table
*disp
)
1496 SET_PopAttrib(disp
, _mesa_PopAttrib
);
1497 SET_PushAttrib(disp
, _mesa_PushAttrib
);
1498 SET_PopClientAttrib(disp
, _mesa_PopClientAttrib
);
1499 SET_PushClientAttrib(disp
, _mesa_PushClientAttrib
);
1503 #endif /* FEATURE_attrib_stack */
1507 * Free any attribute state data that might be attached to the context.
1510 _mesa_free_attrib_data(struct gl_context
*ctx
)
1512 while (ctx
->AttribStackDepth
> 0) {
1513 struct gl_attrib_node
*attr
, *next
;
1515 ctx
->AttribStackDepth
--;
1516 attr
= ctx
->AttribStack
[ctx
->AttribStackDepth
];
1519 if (attr
->kind
== GL_TEXTURE_BIT
) {
1520 struct texture_state
*texstate
= (struct texture_state
*)attr
->data
;
1522 /* clear references to the saved texture objects */
1523 for (u
= 0; u
< ctx
->Const
.MaxTextureUnits
; u
++) {
1524 for (tgt
= 0; tgt
< NUM_TEXTURE_TARGETS
; tgt
++) {
1525 _mesa_reference_texobj(&texstate
->SavedTexRef
[u
][tgt
], NULL
);
1530 /* any other chunks of state that requires special handling? */
1542 void _mesa_init_attrib( struct gl_context
*ctx
)
1544 /* Renderer and client attribute stacks */
1545 ctx
->AttribStackDepth
= 0;
1546 ctx
->ClientAttribStackDepth
= 0;