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 * THE AUTHORS 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.
29 #include "bufferobj.h"
39 #include "main/dispatch.h"
42 /** Used to do error checking for GL_EXT_vertex_array_bgra */
46 /** Used to indicate which GL datatypes are accepted by each of the
47 * glVertex/Color/Attrib/EtcPointer() functions.
51 #define UNSIGNED_BYTE_BIT 0x4
53 #define UNSIGNED_SHORT_BIT 0x10
55 #define UNSIGNED_INT_BIT 0x40
57 #define FLOAT_BIT 0x100
58 #define DOUBLE_BIT 0x200
59 #define FIXED_ES_BIT 0x400
60 #define FIXED_GL_BIT 0x800
61 #define UNSIGNED_INT_2_10_10_10_REV_BIT 0x1000
62 #define INT_2_10_10_10_REV_BIT 0x2000
65 /** Convert GL datatype enum into a <type>_BIT value seen above */
67 type_to_bit(const struct gl_context *ctx, GLenum type)
74 case GL_UNSIGNED_BYTE:
75 return UNSIGNED_BYTE_BIT;
78 case GL_UNSIGNED_SHORT:
79 return UNSIGNED_SHORT_BIT;
83 return UNSIGNED_INT_BIT;
85 if (ctx->Extensions.ARB_half_float_vertex)
94 return _mesa_is_desktop_gl(ctx) ? FIXED_GL_BIT : FIXED_ES_BIT;
95 case GL_UNSIGNED_INT_2_10_10_10_REV:
96 return UNSIGNED_INT_2_10_10_10_REV_BIT;
97 case GL_INT_2_10_10_10_REV:
98 return INT_2_10_10_10_REV_BIT;
106 * Do error checking and update state for glVertex/Color/TexCoord/...Pointer
109 * \param func name of calling function used for error reporting
110 * \param attrib the attribute array index to update
111 * \param legalTypes bitmask of *_BIT above indicating legal datatypes
112 * \param sizeMin min allowable size value
113 * \param sizeMax max allowable size value (may also be BGRA_OR_4)
114 * \param size components per element (1, 2, 3 or 4)
115 * \param type datatype of each component (GL_FLOAT, GL_INT, etc)
116 * \param stride stride between elements, in elements
117 * \param normalized are integer types converted to floats in [-1, 1]?
118 * \param integer integer-valued values (will not be normalized to [-1,1])
119 * \param ptr the address (or offset inside VBO) of the array data
122 update_array(struct gl_context *ctx,
124 GLuint attrib, GLbitfield legalTypesMask,
125 GLint sizeMin, GLint sizeMax,
126 GLint size, GLenum type, GLsizei stride,
127 GLboolean normalized, GLboolean integer,
130 struct gl_client_array *array;
133 GLenum format = GL_RGBA;
135 /* Page 407 (page 423 of the PDF) of the OpenGL 3.0 spec says:
137 * "Client vertex arrays - all vertex array attribute pointers must
138 * refer to buffer objects (section 2.9.2). The default vertex array
139 * object (the name zero) is also deprecated. Calling
140 * VertexAttribPointer when no buffer object or no vertex array object
141 * is bound will generate an INVALID_OPERATION error..."
143 * The check for VBOs is handled below.
145 if (ctx->API == API_OPENGL_CORE
146 && (ctx->Array.ArrayObj == ctx->Array.DefaultArrayObj)) {
147 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(no array object bound)",
152 if (_mesa_is_gles(ctx)) {
153 legalTypesMask &= ~(FIXED_GL_BIT | DOUBLE_BIT);
155 /* GL_INT and GL_UNSIGNED_INT data is not allowed in OpenGL ES until
156 * 3.0. The 2_10_10_10 types are added in OpenGL ES 3.0 or
157 * GL_OES_vertex_type_10_10_10_2. GL_HALF_FLOAT data is not allowed
158 * until 3.0 or with the GL_OES_vertex_half float extension, which isn't
159 * quite as trivial as we'd like because it uses a different enum value
160 * for GL_HALF_FLOAT_OES.
162 if (ctx->Version < 30) {
163 legalTypesMask &= ~(UNSIGNED_INT_BIT
165 | UNSIGNED_INT_2_10_10_10_REV_BIT
166 | INT_2_10_10_10_REV_BIT
170 /* BGRA ordering is not supported in ES contexts.
172 if (sizeMax == BGRA_OR_4)
175 legalTypesMask &= ~FIXED_ES_BIT;
177 if (!ctx->Extensions.ARB_ES2_compatibility)
178 legalTypesMask &= ~FIXED_GL_BIT;
180 if (!ctx->Extensions.ARB_vertex_type_2_10_10_10_rev)
181 legalTypesMask &= ~(UNSIGNED_INT_2_10_10_10_REV_BIT |
182 INT_2_10_10_10_REV_BIT);
185 typeBit = type_to_bit(ctx, type);
186 if (typeBit == 0x0 || (typeBit & legalTypesMask) == 0x0) {
187 _mesa_error(ctx, GL_INVALID_ENUM, "%s(type = %s)",
188 func, _mesa_lookup_enum_by_nr(type));
192 /* Do size parameter checking.
193 * If sizeMax = BGRA_OR_4 it means that size = GL_BGRA is legal and
194 * must be handled specially.
196 if (ctx->Extensions.EXT_vertex_array_bgra &&
197 sizeMax == BGRA_OR_4 &&
199 GLboolean bgra_error = GL_FALSE;
201 if (ctx->Extensions.ARB_vertex_type_2_10_10_10_rev) {
202 if (type != GL_UNSIGNED_INT_2_10_10_10_REV &&
203 type != GL_INT_2_10_10_10_REV &&
204 type != GL_UNSIGNED_BYTE)
205 bgra_error = GL_TRUE;
206 } else if (type != GL_UNSIGNED_BYTE)
207 bgra_error = GL_TRUE;
210 _mesa_error(ctx, GL_INVALID_VALUE, "%s(GL_BGRA/GLubyte)", func);
216 else if (size < sizeMin || size > sizeMax || size > 4) {
217 _mesa_error(ctx, GL_INVALID_VALUE, "%s(size=%d)", func, size);
221 if (ctx->Extensions.ARB_vertex_type_2_10_10_10_rev &&
222 (type == GL_UNSIGNED_INT_2_10_10_10_REV ||
223 type == GL_INT_2_10_10_10_REV) && size != 4) {
224 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(size=%d)", func, size);
231 _mesa_error( ctx, GL_INVALID_VALUE, "%s(stride=%d)", func, stride );
235 /* Page 29 (page 44 of the PDF) of the OpenGL 3.3 spec says:
237 * "An INVALID_OPERATION error is generated under any of the following
242 * * any of the *Pointer commands specifying the location and
243 * organization of vertex array data are called while zero is bound
244 * to the ARRAY_BUFFER buffer object binding point (see section
245 * 2.9.6), and the pointer argument is not NULL."
247 if (ptr != NULL && ctx->Array.ArrayObj->ARBsemantics &&
248 !_mesa_is_bufferobj(ctx->Array.ArrayBufferObj)) {
249 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(non-VBO array)", func);
253 elementSize = _mesa_bytes_per_vertex_attrib(size, type);
254 assert(elementSize != -1);
256 array = &ctx->Array.ArrayObj->VertexAttrib[attrib];
259 array->Format = format;
260 array->Stride = stride;
261 array->StrideB = stride ? stride : elementSize;
262 array->Normalized = normalized;
263 array->Integer = integer;
264 array->Ptr = (const GLubyte *) ptr;
265 array->_ElementSize = elementSize;
267 _mesa_reference_buffer_object(ctx, &array->BufferObj,
268 ctx->Array.ArrayBufferObj);
270 ctx->NewState |= _NEW_ARRAY;
271 ctx->Array.ArrayObj->NewArrays |= VERT_BIT(attrib);
276 _mesa_VertexPointer(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr)
278 GET_CURRENT_CONTEXT(ctx);
279 GLbitfield legalTypes = (ctx->API == API_OPENGLES)
280 ? (BYTE_BIT | SHORT_BIT | FLOAT_BIT | FIXED_ES_BIT)
281 : (SHORT_BIT | INT_BIT | FLOAT_BIT |
282 DOUBLE_BIT | HALF_BIT |
283 UNSIGNED_INT_2_10_10_10_REV_BIT |
284 INT_2_10_10_10_REV_BIT);
286 FLUSH_VERTICES(ctx, 0);
288 update_array(ctx, "glVertexPointer", VERT_ATTRIB_POS,
290 size, type, stride, GL_FALSE, GL_FALSE, ptr);
295 _mesa_NormalPointer(GLenum type, GLsizei stride, const GLvoid *ptr )
297 GET_CURRENT_CONTEXT(ctx);
298 const GLbitfield legalTypes = (ctx->API == API_OPENGLES)
299 ? (BYTE_BIT | SHORT_BIT | FLOAT_BIT | FIXED_ES_BIT)
300 : (BYTE_BIT | SHORT_BIT | INT_BIT |
301 HALF_BIT | FLOAT_BIT | DOUBLE_BIT |
302 UNSIGNED_INT_2_10_10_10_REV_BIT |
303 INT_2_10_10_10_REV_BIT);
305 FLUSH_VERTICES(ctx, 0);
307 update_array(ctx, "glNormalPointer", VERT_ATTRIB_NORMAL,
309 3, type, stride, GL_TRUE, GL_FALSE, ptr);
314 _mesa_ColorPointer(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr)
316 GET_CURRENT_CONTEXT(ctx);
317 const GLbitfield legalTypes = (ctx->API == API_OPENGLES)
318 ? (UNSIGNED_BYTE_BIT | HALF_BIT | FLOAT_BIT | FIXED_ES_BIT)
319 : (BYTE_BIT | UNSIGNED_BYTE_BIT |
320 SHORT_BIT | UNSIGNED_SHORT_BIT |
321 INT_BIT | UNSIGNED_INT_BIT |
322 HALF_BIT | FLOAT_BIT | DOUBLE_BIT |
323 UNSIGNED_INT_2_10_10_10_REV_BIT |
324 INT_2_10_10_10_REV_BIT);
325 const GLint sizeMin = (ctx->API == API_OPENGLES) ? 4 : 3;
327 FLUSH_VERTICES(ctx, 0);
329 update_array(ctx, "glColorPointer", VERT_ATTRIB_COLOR0,
330 legalTypes, sizeMin, BGRA_OR_4,
331 size, type, stride, GL_TRUE, GL_FALSE, ptr);
336 _mesa_FogCoordPointer(GLenum type, GLsizei stride, const GLvoid *ptr)
338 const GLbitfield legalTypes = (HALF_BIT | FLOAT_BIT | DOUBLE_BIT);
339 GET_CURRENT_CONTEXT(ctx);
341 FLUSH_VERTICES(ctx, 0);
343 update_array(ctx, "glFogCoordPointer", VERT_ATTRIB_FOG,
345 1, type, stride, GL_FALSE, GL_FALSE, ptr);
350 _mesa_IndexPointer(GLenum type, GLsizei stride, const GLvoid *ptr)
352 const GLbitfield legalTypes = (UNSIGNED_BYTE_BIT | SHORT_BIT | INT_BIT |
353 FLOAT_BIT | DOUBLE_BIT);
354 GET_CURRENT_CONTEXT(ctx);
356 FLUSH_VERTICES(ctx, 0);
358 update_array(ctx, "glIndexPointer", VERT_ATTRIB_COLOR_INDEX,
360 1, type, stride, GL_FALSE, GL_FALSE, ptr);
365 _mesa_SecondaryColorPointer(GLint size, GLenum type,
366 GLsizei stride, const GLvoid *ptr)
368 const GLbitfield legalTypes = (BYTE_BIT | UNSIGNED_BYTE_BIT |
369 SHORT_BIT | UNSIGNED_SHORT_BIT |
370 INT_BIT | UNSIGNED_INT_BIT |
371 HALF_BIT | FLOAT_BIT | DOUBLE_BIT |
372 UNSIGNED_INT_2_10_10_10_REV_BIT |
373 INT_2_10_10_10_REV_BIT);
374 GET_CURRENT_CONTEXT(ctx);
376 FLUSH_VERTICES(ctx, 0);
378 update_array(ctx, "glSecondaryColorPointer", VERT_ATTRIB_COLOR1,
379 legalTypes, 3, BGRA_OR_4,
380 size, type, stride, GL_TRUE, GL_FALSE, ptr);
385 _mesa_TexCoordPointer(GLint size, GLenum type, GLsizei stride,
388 GET_CURRENT_CONTEXT(ctx);
389 GLbitfield legalTypes = (ctx->API == API_OPENGLES)
390 ? (BYTE_BIT | SHORT_BIT | FLOAT_BIT | FIXED_ES_BIT)
391 : (SHORT_BIT | INT_BIT |
392 HALF_BIT | FLOAT_BIT | DOUBLE_BIT |
393 UNSIGNED_INT_2_10_10_10_REV_BIT |
394 INT_2_10_10_10_REV_BIT);
395 const GLint sizeMin = (ctx->API == API_OPENGLES) ? 2 : 1;
396 const GLuint unit = ctx->Array.ActiveTexture;
398 FLUSH_VERTICES(ctx, 0);
400 update_array(ctx, "glTexCoordPointer", VERT_ATTRIB_TEX(unit),
401 legalTypes, sizeMin, 4,
402 size, type, stride, GL_FALSE, GL_FALSE,
408 _mesa_EdgeFlagPointer(GLsizei stride, const GLvoid *ptr)
410 const GLbitfield legalTypes = UNSIGNED_BYTE_BIT;
411 /* see table 2.4 edits in GL_EXT_gpu_shader4 spec: */
412 const GLboolean integer = GL_TRUE;
413 GET_CURRENT_CONTEXT(ctx);
415 FLUSH_VERTICES(ctx, 0);
417 update_array(ctx, "glEdgeFlagPointer", VERT_ATTRIB_EDGEFLAG,
419 1, GL_UNSIGNED_BYTE, stride, GL_FALSE, integer, ptr);
424 _mesa_PointSizePointerOES(GLenum type, GLsizei stride, const GLvoid *ptr)
426 const GLbitfield legalTypes = (FLOAT_BIT | FIXED_ES_BIT);
427 GET_CURRENT_CONTEXT(ctx);
429 FLUSH_VERTICES(ctx, 0);
431 if (ctx->API != API_OPENGLES) {
432 _mesa_error(ctx, GL_INVALID_OPERATION,
433 "glPointSizePointer(ES 1.x only)");
437 update_array(ctx, "glPointSizePointer", VERT_ATTRIB_POINT_SIZE,
439 1, type, stride, GL_FALSE, GL_FALSE, ptr);
444 * Set a generic vertex attribute array.
445 * Note that these arrays DO NOT alias the conventional GL vertex arrays
446 * (position, normal, color, fog, texcoord, etc).
449 _mesa_VertexAttribPointer(GLuint index, GLint size, GLenum type,
450 GLboolean normalized,
451 GLsizei stride, const GLvoid *ptr)
453 const GLbitfield legalTypes = (BYTE_BIT | UNSIGNED_BYTE_BIT |
454 SHORT_BIT | UNSIGNED_SHORT_BIT |
455 INT_BIT | UNSIGNED_INT_BIT |
456 HALF_BIT | FLOAT_BIT | DOUBLE_BIT |
457 FIXED_ES_BIT | FIXED_GL_BIT |
458 UNSIGNED_INT_2_10_10_10_REV_BIT |
459 INT_2_10_10_10_REV_BIT);
460 GET_CURRENT_CONTEXT(ctx);
462 if (index >= ctx->Const.VertexProgram.MaxAttribs) {
463 _mesa_error(ctx, GL_INVALID_VALUE, "glVertexAttribPointerARB(index)");
467 update_array(ctx, "glVertexAttribPointer", VERT_ATTRIB_GENERIC(index),
468 legalTypes, 1, BGRA_OR_4,
469 size, type, stride, normalized, GL_FALSE, ptr);
474 * GL_EXT_gpu_shader4 / GL 3.0.
475 * Set an integer-valued vertex attribute array.
476 * Note that these arrays DO NOT alias the conventional GL vertex arrays
477 * (position, normal, color, fog, texcoord, etc).
480 _mesa_VertexAttribIPointer(GLuint index, GLint size, GLenum type,
481 GLsizei stride, const GLvoid *ptr)
483 const GLbitfield legalTypes = (BYTE_BIT | UNSIGNED_BYTE_BIT |
484 SHORT_BIT | UNSIGNED_SHORT_BIT |
485 INT_BIT | UNSIGNED_INT_BIT);
486 const GLboolean normalized = GL_FALSE;
487 const GLboolean integer = GL_TRUE;
488 GET_CURRENT_CONTEXT(ctx);
490 if (index >= ctx->Const.VertexProgram.MaxAttribs) {
491 _mesa_error(ctx, GL_INVALID_VALUE, "glVertexAttribIPointer(index)");
495 update_array(ctx, "glVertexAttribIPointer", VERT_ATTRIB_GENERIC(index),
497 size, type, stride, normalized, integer, ptr);
503 _mesa_EnableVertexAttribArray(GLuint index)
505 struct gl_array_object *arrayObj;
506 GET_CURRENT_CONTEXT(ctx);
508 if (index >= ctx->Const.VertexProgram.MaxAttribs) {
509 _mesa_error(ctx, GL_INVALID_VALUE,
510 "glEnableVertexAttribArrayARB(index)");
514 arrayObj = ctx->Array.ArrayObj;
516 ASSERT(VERT_ATTRIB_GENERIC(index) < Elements(arrayObj->VertexAttrib));
518 if (!arrayObj->VertexAttrib[VERT_ATTRIB_GENERIC(index)].Enabled) {
519 /* was disabled, now being enabled */
520 FLUSH_VERTICES(ctx, _NEW_ARRAY);
521 arrayObj->VertexAttrib[VERT_ATTRIB_GENERIC(index)].Enabled = GL_TRUE;
522 arrayObj->_Enabled |= VERT_BIT_GENERIC(index);
523 arrayObj->NewArrays |= VERT_BIT_GENERIC(index);
529 _mesa_DisableVertexAttribArray(GLuint index)
531 struct gl_array_object *arrayObj;
532 GET_CURRENT_CONTEXT(ctx);
534 if (index >= ctx->Const.VertexProgram.MaxAttribs) {
535 _mesa_error(ctx, GL_INVALID_VALUE,
536 "glDisableVertexAttribArrayARB(index)");
540 arrayObj = ctx->Array.ArrayObj;
542 ASSERT(VERT_ATTRIB_GENERIC(index) < Elements(arrayObj->VertexAttrib));
544 if (arrayObj->VertexAttrib[VERT_ATTRIB_GENERIC(index)].Enabled) {
545 /* was enabled, now being disabled */
546 FLUSH_VERTICES(ctx, _NEW_ARRAY);
547 arrayObj->VertexAttrib[VERT_ATTRIB_GENERIC(index)].Enabled = GL_FALSE;
548 arrayObj->_Enabled &= ~VERT_BIT_GENERIC(index);
549 arrayObj->NewArrays |= VERT_BIT_GENERIC(index);
555 * Return info for a vertex attribute array (no alias with legacy
556 * vertex attributes (pos, normal, color, etc)). This function does
557 * not handle the 4-element GL_CURRENT_VERTEX_ATTRIB_ARB query.
560 get_vertex_array_attrib(struct gl_context *ctx, GLuint index, GLenum pname,
563 const struct gl_client_array *array;
565 if (index >= ctx->Const.VertexProgram.MaxAttribs) {
566 _mesa_error(ctx, GL_INVALID_VALUE, "%s(index=%u)", caller, index);
570 ASSERT(VERT_ATTRIB_GENERIC(index) < Elements(ctx->Array.ArrayObj->VertexAttrib));
572 array = &ctx->Array.ArrayObj->VertexAttrib[VERT_ATTRIB_GENERIC(index)];
575 case GL_VERTEX_ATTRIB_ARRAY_ENABLED_ARB:
576 return array->Enabled;
577 case GL_VERTEX_ATTRIB_ARRAY_SIZE_ARB:
579 case GL_VERTEX_ATTRIB_ARRAY_STRIDE_ARB:
580 return array->Stride;
581 case GL_VERTEX_ATTRIB_ARRAY_TYPE_ARB:
583 case GL_VERTEX_ATTRIB_ARRAY_NORMALIZED_ARB:
584 return array->Normalized;
585 case GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING_ARB:
586 return array->BufferObj->Name;
587 case GL_VERTEX_ATTRIB_ARRAY_INTEGER:
588 if ((_mesa_is_desktop_gl(ctx)
589 && (ctx->Version >= 30 || ctx->Extensions.EXT_gpu_shader4))
590 || _mesa_is_gles3(ctx)) {
591 return array->Integer;
594 case GL_VERTEX_ATTRIB_ARRAY_DIVISOR_ARB:
595 if ((_mesa_is_desktop_gl(ctx) && ctx->Extensions.ARB_instanced_arrays)
596 || _mesa_is_gles3(ctx)) {
597 return array->InstanceDivisor;
605 _mesa_error(ctx, GL_INVALID_ENUM, "%s(pname=0x%x)", caller, pname);
610 static const GLfloat *
611 get_current_attrib(struct gl_context *ctx, GLuint index, const char *function)
614 /* In OpenGL 3.1 attribute 0 becomes non-magic, just like in OpenGL ES
615 * 2.0. Note that we cannot just check for API_OPENGL_CORE here because
616 * that will erroneously allow this usage in a 3.0 forward-compatible
619 if ((ctx->API != API_OPENGL_CORE || ctx->Version < 31)
620 && ctx->API != API_OPENGLES2) {
621 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(index==0)", function);
625 else if (index >= ctx->Const.VertexProgram.MaxAttribs) {
626 _mesa_error(ctx, GL_INVALID_VALUE,
627 "%s(index>=GL_MAX_VERTEX_ATTRIBS)", function);
631 ASSERT(VERT_ATTRIB_GENERIC(index) < Elements(ctx->Array.ArrayObj->VertexAttrib));
633 FLUSH_CURRENT(ctx, 0);
634 return ctx->Current.Attrib[VERT_ATTRIB_GENERIC(index)];
638 _mesa_GetVertexAttribfv(GLuint index, GLenum pname, GLfloat *params)
640 GET_CURRENT_CONTEXT(ctx);
642 if (pname == GL_CURRENT_VERTEX_ATTRIB_ARB) {
643 const GLfloat *v = get_current_attrib(ctx, index, "glGetVertexAttribfv");
649 params[0] = (GLfloat) get_vertex_array_attrib(ctx, index, pname,
650 "glGetVertexAttribfv");
656 _mesa_GetVertexAttribdv(GLuint index, GLenum pname, GLdouble *params)
658 GET_CURRENT_CONTEXT(ctx);
660 if (pname == GL_CURRENT_VERTEX_ATTRIB_ARB) {
661 const GLfloat *v = get_current_attrib(ctx, index, "glGetVertexAttribdv");
663 params[0] = (GLdouble) v[0];
664 params[1] = (GLdouble) v[1];
665 params[2] = (GLdouble) v[2];
666 params[3] = (GLdouble) v[3];
670 params[0] = (GLdouble) get_vertex_array_attrib(ctx, index, pname,
671 "glGetVertexAttribdv");
677 _mesa_GetVertexAttribiv(GLuint index, GLenum pname, GLint *params)
679 GET_CURRENT_CONTEXT(ctx);
681 if (pname == GL_CURRENT_VERTEX_ATTRIB_ARB) {
682 const GLfloat *v = get_current_attrib(ctx, index, "glGetVertexAttribiv");
684 /* XXX should floats in[0,1] be scaled to full int range? */
685 params[0] = (GLint) v[0];
686 params[1] = (GLint) v[1];
687 params[2] = (GLint) v[2];
688 params[3] = (GLint) v[3];
692 params[0] = (GLint) get_vertex_array_attrib(ctx, index, pname,
693 "glGetVertexAttribiv");
700 _mesa_GetVertexAttribIiv(GLuint index, GLenum pname, GLint *params)
702 GET_CURRENT_CONTEXT(ctx);
704 if (pname == GL_CURRENT_VERTEX_ATTRIB_ARB) {
705 const GLint *v = (const GLint *)
706 get_current_attrib(ctx, index, "glGetVertexAttribIiv");
712 params[0] = (GLint) get_vertex_array_attrib(ctx, index, pname,
713 "glGetVertexAttribIiv");
720 _mesa_GetVertexAttribIuiv(GLuint index, GLenum pname, GLuint *params)
722 GET_CURRENT_CONTEXT(ctx);
724 if (pname == GL_CURRENT_VERTEX_ATTRIB_ARB) {
725 const GLuint *v = (const GLuint *)
726 get_current_attrib(ctx, index, "glGetVertexAttribIuiv");
732 params[0] = get_vertex_array_attrib(ctx, index, pname,
733 "glGetVertexAttribIuiv");
739 _mesa_GetVertexAttribPointerv(GLuint index, GLenum pname, GLvoid **pointer)
741 GET_CURRENT_CONTEXT(ctx);
743 if (index >= ctx->Const.VertexProgram.MaxAttribs) {
744 _mesa_error(ctx, GL_INVALID_VALUE, "glGetVertexAttribPointerARB(index)");
748 if (pname != GL_VERTEX_ATTRIB_ARRAY_POINTER_ARB) {
749 _mesa_error(ctx, GL_INVALID_ENUM, "glGetVertexAttribPointerARB(pname)");
753 ASSERT(VERT_ATTRIB_GENERIC(index) < Elements(ctx->Array.ArrayObj->VertexAttrib));
755 *pointer = (GLvoid *) ctx->Array.ArrayObj->VertexAttrib[VERT_ATTRIB_GENERIC(index)].Ptr;
760 _mesa_VertexPointerEXT(GLint size, GLenum type, GLsizei stride,
761 GLsizei count, const GLvoid *ptr)
764 _mesa_VertexPointer(size, type, stride, ptr);
769 _mesa_NormalPointerEXT(GLenum type, GLsizei stride, GLsizei count,
773 _mesa_NormalPointer(type, stride, ptr);
778 _mesa_ColorPointerEXT(GLint size, GLenum type, GLsizei stride, GLsizei count,
782 _mesa_ColorPointer(size, type, stride, ptr);
787 _mesa_IndexPointerEXT(GLenum type, GLsizei stride, GLsizei count,
791 _mesa_IndexPointer(type, stride, ptr);
796 _mesa_TexCoordPointerEXT(GLint size, GLenum type, GLsizei stride,
797 GLsizei count, const GLvoid *ptr)
800 _mesa_TexCoordPointer(size, type, stride, ptr);
805 _mesa_EdgeFlagPointerEXT(GLsizei stride, GLsizei count, const GLboolean *ptr)
808 _mesa_EdgeFlagPointer(stride, ptr);
813 _mesa_InterleavedArrays(GLenum format, GLsizei stride, const GLvoid *pointer)
815 GET_CURRENT_CONTEXT(ctx);
816 GLboolean tflag, cflag, nflag; /* enable/disable flags */
817 GLint tcomps, ccomps, vcomps; /* components per texcoord, color, vertex */
818 GLenum ctype = 0; /* color type */
819 GLint coffset = 0, noffset = 0, voffset;/* color, normal, vertex offsets */
820 const GLint toffset = 0; /* always zero */
821 GLint defstride; /* default stride */
824 FLUSH_VERTICES(ctx, 0);
827 c = f * ((4 * sizeof(GLubyte) + (f - 1)) / f);
830 _mesa_error( ctx, GL_INVALID_VALUE, "glInterleavedArrays(stride)" );
836 tflag = GL_FALSE; cflag = GL_FALSE; nflag = GL_FALSE;
837 tcomps = 0; ccomps = 0; vcomps = 2;
842 tflag = GL_FALSE; cflag = GL_FALSE; nflag = GL_FALSE;
843 tcomps = 0; ccomps = 0; vcomps = 3;
848 tflag = GL_FALSE; cflag = GL_TRUE; nflag = GL_FALSE;
849 tcomps = 0; ccomps = 4; vcomps = 2;
850 ctype = GL_UNSIGNED_BYTE;
856 tflag = GL_FALSE; cflag = GL_TRUE; nflag = GL_FALSE;
857 tcomps = 0; ccomps = 4; vcomps = 3;
858 ctype = GL_UNSIGNED_BYTE;
864 tflag = GL_FALSE; cflag = GL_TRUE; nflag = GL_FALSE;
865 tcomps = 0; ccomps = 3; vcomps = 3;
872 tflag = GL_FALSE; cflag = GL_FALSE; nflag = GL_TRUE;
873 tcomps = 0; ccomps = 0; vcomps = 3;
879 tflag = GL_FALSE; cflag = GL_TRUE; nflag = GL_TRUE;
880 tcomps = 0; ccomps = 4; vcomps = 3;
888 tflag = GL_TRUE; cflag = GL_FALSE; nflag = GL_FALSE;
889 tcomps = 2; ccomps = 0; vcomps = 3;
894 tflag = GL_TRUE; cflag = GL_FALSE; nflag = GL_FALSE;
895 tcomps = 4; ccomps = 0; vcomps = 4;
899 case GL_T2F_C4UB_V3F:
900 tflag = GL_TRUE; cflag = GL_TRUE; nflag = GL_FALSE;
901 tcomps = 2; ccomps = 4; vcomps = 3;
902 ctype = GL_UNSIGNED_BYTE;
908 tflag = GL_TRUE; cflag = GL_TRUE; nflag = GL_FALSE;
909 tcomps = 2; ccomps = 3; vcomps = 3;
916 tflag = GL_TRUE; cflag = GL_FALSE; nflag = GL_TRUE;
917 tcomps = 2; ccomps = 0; vcomps = 3;
922 case GL_T2F_C4F_N3F_V3F:
923 tflag = GL_TRUE; cflag = GL_TRUE; nflag = GL_TRUE;
924 tcomps = 2; ccomps = 4; vcomps = 3;
931 case GL_T4F_C4F_N3F_V4F:
932 tflag = GL_TRUE; cflag = GL_TRUE; nflag = GL_TRUE;
933 tcomps = 4; ccomps = 4; vcomps = 4;
941 _mesa_error( ctx, GL_INVALID_ENUM, "glInterleavedArrays(format)" );
949 _mesa_DisableClientState( GL_EDGE_FLAG_ARRAY );
950 _mesa_DisableClientState( GL_INDEX_ARRAY );
951 /* XXX also disable secondary color and generic arrays? */
955 _mesa_EnableClientState( GL_TEXTURE_COORD_ARRAY );
956 _mesa_TexCoordPointer( tcomps, GL_FLOAT, stride,
957 (GLubyte *) pointer + toffset );
960 _mesa_DisableClientState( GL_TEXTURE_COORD_ARRAY );
965 _mesa_EnableClientState( GL_COLOR_ARRAY );
966 _mesa_ColorPointer( ccomps, ctype, stride,
967 (GLubyte *) pointer + coffset );
970 _mesa_DisableClientState( GL_COLOR_ARRAY );
976 _mesa_EnableClientState( GL_NORMAL_ARRAY );
977 _mesa_NormalPointer( GL_FLOAT, stride, (GLubyte *) pointer + noffset );
980 _mesa_DisableClientState( GL_NORMAL_ARRAY );
984 _mesa_EnableClientState( GL_VERTEX_ARRAY );
985 _mesa_VertexPointer( vcomps, GL_FLOAT, stride,
986 (GLubyte *) pointer + voffset );
991 _mesa_LockArraysEXT(GLint first, GLsizei count)
993 GET_CURRENT_CONTEXT(ctx);
995 FLUSH_VERTICES(ctx, 0);
997 if (MESA_VERBOSE & VERBOSE_API)
998 _mesa_debug(ctx, "glLockArrays %d %d\n", first, count);
1001 _mesa_error( ctx, GL_INVALID_VALUE, "glLockArraysEXT(first)" );
1005 _mesa_error( ctx, GL_INVALID_VALUE, "glLockArraysEXT(count)" );
1008 if (ctx->Array.LockCount != 0) {
1009 _mesa_error( ctx, GL_INVALID_OPERATION, "glLockArraysEXT(reentry)" );
1013 ctx->Array.LockFirst = first;
1014 ctx->Array.LockCount = count;
1016 ctx->NewState |= _NEW_ARRAY;
1021 _mesa_UnlockArraysEXT( void )
1023 GET_CURRENT_CONTEXT(ctx);
1025 FLUSH_VERTICES(ctx, 0);
1027 if (MESA_VERBOSE & VERBOSE_API)
1028 _mesa_debug(ctx, "glUnlockArrays\n");
1030 if (ctx->Array.LockCount == 0) {
1031 _mesa_error( ctx, GL_INVALID_OPERATION, "glUnlockArraysEXT(reexit)" );
1035 ctx->Array.LockFirst = 0;
1036 ctx->Array.LockCount = 0;
1037 ctx->NewState |= _NEW_ARRAY;
1041 /* GL_EXT_multi_draw_arrays */
1043 _mesa_MultiDrawArrays( GLenum mode, const GLint *first,
1044 const GLsizei *count, GLsizei primcount )
1046 GET_CURRENT_CONTEXT(ctx);
1049 FLUSH_VERTICES(ctx, 0);
1051 for (i = 0; i < primcount; i++) {
1053 CALL_DrawArrays(ctx->Exec, (mode, first[i], count[i]));
1059 /* GL_IBM_multimode_draw_arrays */
1061 _mesa_MultiModeDrawArraysIBM( const GLenum * mode, const GLint * first,
1062 const GLsizei * count,
1063 GLsizei primcount, GLint modestride )
1065 GET_CURRENT_CONTEXT(ctx);
1068 FLUSH_VERTICES(ctx, 0);
1070 for ( i = 0 ; i < primcount ; i++ ) {
1071 if ( count[i] > 0 ) {
1072 GLenum m = *((GLenum *) ((GLubyte *) mode + i * modestride));
1073 CALL_DrawArrays(ctx->Exec, ( m, first[i], count[i] ));
1079 /* GL_IBM_multimode_draw_arrays */
1081 _mesa_MultiModeDrawElementsIBM( const GLenum * mode, const GLsizei * count,
1082 GLenum type, const GLvoid * const * indices,
1083 GLsizei primcount, GLint modestride )
1085 GET_CURRENT_CONTEXT(ctx);
1088 FLUSH_VERTICES(ctx, 0);
1090 /* XXX not sure about ARB_vertex_buffer_object handling here */
1092 for ( i = 0 ; i < primcount ; i++ ) {
1093 if ( count[i] > 0 ) {
1094 GLenum m = *((GLenum *) ((GLubyte *) mode + i * modestride));
1095 CALL_DrawElements(ctx->Exec, ( m, count[i], type, indices[i] ));
1102 * GL_NV_primitive_restart and GL 3.1
1105 _mesa_PrimitiveRestartIndex(GLuint index)
1107 GET_CURRENT_CONTEXT(ctx);
1109 if (!ctx->Extensions.NV_primitive_restart && ctx->Version < 31) {
1110 _mesa_error(ctx, GL_INVALID_OPERATION, "glPrimitiveRestartIndexNV()");
1114 ctx->Array.RestartIndex = index;
1115 if (ctx->Array.PrimitiveRestart && ctx->Array._RestartIndex != index) {
1116 FLUSH_VERTICES(ctx, _NEW_TRANSFORM);
1117 ctx->Array._RestartIndex = index;
1123 * See GL_ARB_instanced_arrays.
1124 * Note that the instance divisor only applies to generic arrays, not
1125 * the legacy vertex arrays.
1128 _mesa_VertexAttribDivisor(GLuint index, GLuint divisor)
1130 struct gl_client_array *array;
1131 GET_CURRENT_CONTEXT(ctx);
1133 if (!ctx->Extensions.ARB_instanced_arrays) {
1134 _mesa_error(ctx, GL_INVALID_OPERATION, "glVertexAttribDivisor()");
1138 if (index >= ctx->Const.VertexProgram.MaxAttribs) {
1139 _mesa_error(ctx, GL_INVALID_VALUE, "glVertexAttribDivisor(index = %u)",
1144 ASSERT(VERT_ATTRIB_GENERIC(index) < Elements(ctx->Array.ArrayObj->VertexAttrib));
1146 array = &ctx->Array.ArrayObj->VertexAttrib[VERT_ATTRIB_GENERIC(index)];
1147 if (array->InstanceDivisor != divisor) {
1148 FLUSH_VERTICES(ctx, _NEW_ARRAY);
1149 array->InstanceDivisor = divisor;
1150 ctx->Array.ArrayObj->NewArrays |= VERT_BIT(VERT_ATTRIB_GENERIC(index));
1157 * Copy one client vertex array to another.
1160 _mesa_copy_client_array(struct gl_context *ctx,
1161 struct gl_client_array *dst,
1162 struct gl_client_array *src)
1164 dst->Size = src->Size;
1165 dst->Type = src->Type;
1166 dst->Format = src->Format;
1167 dst->Stride = src->Stride;
1168 dst->StrideB = src->StrideB;
1169 dst->Ptr = src->Ptr;
1170 dst->Enabled = src->Enabled;
1171 dst->Normalized = src->Normalized;
1172 dst->Integer = src->Integer;
1173 dst->InstanceDivisor = src->InstanceDivisor;
1174 dst->_ElementSize = src->_ElementSize;
1175 _mesa_reference_buffer_object(ctx, &dst->BufferObj, src->BufferObj);
1176 dst->_MaxElement = src->_MaxElement;
1182 * Print vertex array's fields.
1185 print_array(const char *name, GLint index, const struct gl_client_array *array)
1188 printf(" %s[%d]: ", name, index);
1190 printf(" %s: ", name);
1191 printf("Ptr=%p, Type=0x%x, Size=%d, ElemSize=%u, Stride=%d, Buffer=%u(Size %lu), MaxElem=%u\n",
1192 array->Ptr, array->Type, array->Size,
1193 array->_ElementSize, array->StrideB,
1194 array->BufferObj->Name, (unsigned long) array->BufferObj->Size,
1195 array->_MaxElement);
1200 * Print current vertex object/array info. For debug.
1203 _mesa_print_arrays(struct gl_context *ctx)
1205 struct gl_array_object *arrayObj = ctx->Array.ArrayObj;
1208 _mesa_update_array_object_max_element(ctx, arrayObj);
1210 printf("Array Object %u\n", arrayObj->Name);
1211 if (arrayObj->VertexAttrib[VERT_ATTRIB_POS].Enabled)
1212 print_array("Vertex", -1, &arrayObj->VertexAttrib[VERT_ATTRIB_POS]);
1213 if (arrayObj->VertexAttrib[VERT_ATTRIB_NORMAL].Enabled)
1214 print_array("Normal", -1, &arrayObj->VertexAttrib[VERT_ATTRIB_NORMAL]);
1215 if (arrayObj->VertexAttrib[VERT_ATTRIB_COLOR0].Enabled)
1216 print_array("Color", -1, &arrayObj->VertexAttrib[VERT_ATTRIB_COLOR0]);
1217 for (i = 0; i < ctx->Const.MaxTextureCoordUnits; i++)
1218 if (arrayObj->VertexAttrib[VERT_ATTRIB_TEX(i)].Enabled)
1219 print_array("TexCoord", i, &arrayObj->VertexAttrib[VERT_ATTRIB_TEX(i)]);
1220 for (i = 0; i < VERT_ATTRIB_GENERIC_MAX; i++)
1221 if (arrayObj->VertexAttrib[VERT_ATTRIB_GENERIC(i)].Enabled)
1222 print_array("Attrib", i, &arrayObj->VertexAttrib[VERT_ATTRIB_GENERIC(i)]);
1223 printf(" _MaxElement = %u\n", arrayObj->_MaxElement);
1228 * Initialize vertex array state for given context.
1231 _mesa_init_varray(struct gl_context *ctx)
1233 ctx->Array.DefaultArrayObj = ctx->Driver.NewArrayObject(ctx, 0);
1234 _mesa_reference_array_object(ctx, &ctx->Array.ArrayObj,
1235 ctx->Array.DefaultArrayObj);
1236 ctx->Array.ActiveTexture = 0; /* GL_ARB_multitexture */
1238 ctx->Array.Objects = _mesa_NewHashTable();
1243 * Callback for deleting an array object. Called by _mesa_HashDeleteAll().
1246 delete_arrayobj_cb(GLuint id, void *data, void *userData)
1248 struct gl_array_object *arrayObj = (struct gl_array_object *) data;
1249 struct gl_context *ctx = (struct gl_context *) userData;
1250 _mesa_delete_array_object(ctx, arrayObj);
1255 * Free vertex array state for given context.
1258 _mesa_free_varray_data(struct gl_context *ctx)
1260 _mesa_HashDeleteAll(ctx->Array.Objects, delete_arrayobj_cb, ctx);
1261 _mesa_DeleteHashTable(ctx->Array.Objects);