1 /**************************************************************************
3 * Copyright 2010 VMware, Inc.
4 * Copyright 2004 IBM Corporation
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the "Software"),
9 * to deal in the Software without restriction, including without limitation
10 * the rights to use, copy, modify, merge, publish, distribute, sub license,
11 * and/or sell copies of the Software, and to permit persons to whom the
12 * Software is furnished to do so, subject to the following conditions:
14 * The above copyright notice and this permission notice (including the next
15 * paragraph) shall be included in all copies or substantial portions of the
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
22 * AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
23 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
24 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
27 **************************************************************************/
30 * Auxiliary functions to compute the size of array/blob arguments, depending.
38 #include "glimports.hpp"
42 __gl_type_size(GLenum type)
47 case GL_UNSIGNED_BYTE:
50 case GL_UNSIGNED_SHORT:
64 OS::DebugMessage("warning: %s: unknown GLenum 0x%04X\n", __FUNCTION__, type);
70 __glArrayPointer_size(GLint size, GLenum type, GLsizei stride, GLsizei maxIndex)
72 size_t elementSize = size*__gl_type_size(type);
74 stride = (GLsizei)elementSize;
76 return stride*maxIndex + elementSize;
79 #define __glVertexPointer_size(size, type, stride, maxIndex) __glArrayPointer_size(size, type, stride, maxIndex)
80 #define __glNormalPointer_size(type, stride, maxIndex) __glArrayPointer_size(3, type, stride, maxIndex)
81 #define __glColorPointer_size(size, type, stride, maxIndex) __glArrayPointer_size(size, type, stride, maxIndex)
82 #define __glIndexPointer_size(type, stride, maxIndex) __glArrayPointer_size(1, type, stride, maxIndex)
83 #define __glTexCoordPointer_size(size, type, stride, maxIndex) __glArrayPointer_size(size, type, stride, maxIndex)
84 #define __glEdgeFlagPointer_size(stride, maxIndex) __glArrayPointer_size(1, GL_BOOL, stride, maxIndex)
85 #define __glFogCoordPointer_size(type, stride, maxIndex) __glArrayPointer_size(1, type, stride, maxIndex)
86 #define __glSecondaryColorPointer_size(size, type, stride, maxIndex) __glArrayPointer_size(size, type, stride, maxIndex)
87 #define __glVertexAttribPointer_size(size, type, normalized, stride, maxIndex) __glArrayPointer_size(size, type, stride, maxIndex)
90 __glDrawArrays_maxindex(GLint first, GLsizei count)
95 return first + count - 1;
98 #define __glDrawArraysEXT_maxindex __glDrawArrays_maxindex
101 __glDrawElementsBaseVertex_maxindex(GLsizei count, GLenum type, const GLvoid *indices, GLint basevertex)
104 GLint __element_array_buffer = 0;
109 __glGetIntegerv(GL_ELEMENT_ARRAY_BUFFER_BINDING, &__element_array_buffer);
110 if (__element_array_buffer) {
111 // Read indices from index buffer object
112 GLintptr offset = (GLintptr)indices;
113 GLsizeiptr size = count*__gl_type_size(type);
114 GLvoid *temp = malloc(size);
118 memset(temp, 0, size);
119 __glGetBufferSubData(GL_ELEMENT_ARRAY_BUFFER, offset, size, temp);
129 if (type == GL_UNSIGNED_BYTE) {
130 const GLubyte *p = (const GLubyte *)indices;
131 for (i = 0; i < count; ++i) {
132 if (p[i] > maxindex) {
136 } else if (type == GL_UNSIGNED_SHORT) {
137 const GLushort *p = (const GLushort *)indices;
138 for (i = 0; i < count; ++i) {
139 if (p[i] > maxindex) {
143 } else if (type == GL_UNSIGNED_INT) {
144 const GLuint *p = (const GLuint *)indices;
145 for (i = 0; i < count; ++i) {
146 if (p[i] > maxindex) {
151 OS::DebugMessage("warning: %s: unknown GLenum 0x%04X\n", __FUNCTION__, type);
154 if (__element_array_buffer) {
158 maxindex += basevertex;
163 #define __glDrawRangeElementsBaseVertex_maxindex(start, end, count, type, indices, basevertex) __glDrawElementsBaseVertex_maxindex(count, type, indices, basevertex)
165 #define __glDrawElements_maxindex(count, type, indices) __glDrawElementsBaseVertex_maxindex(count, type, indices, 0);
166 #define __glDrawRangeElements_maxindex(start, end, count, type, indices) __glDrawElements_maxindex(count, type, indices)
167 #define __glDrawRangeElementsEXT_maxindex __glDrawRangeElements_maxindex
169 #define __glDrawArraysInstanced_maxindex(first, count, primcount) __glDrawArrays_maxindex(first, count)
170 #define __glDrawElementsInstanced_maxindex(count, type, indices, primcount) __glDrawElements_maxindex(count, type, indices)
171 #define __glDrawElementsInstancedBaseVertex_maxindex(count, type, indices, primcount, basevertex) __glDrawElementsBaseVertex_maxindex(count, type, indices, basevertex)
172 #define __glDrawRangeElementsInstanced_maxindex(start, end, count, type, indices, primcount) __glDrawRangeElements_maxindex(start, end, count, type, indices)
173 #define __glDrawRangeElementsInstancedBaseVertex_maxindex(start, end, count, type, indices, primcount, basevertex) __glDrawRangeElementsBaseVertex_maxindex(start, end, count, type, indices, basevertex)
175 #define __glDrawArraysInstancedARB_maxindex __glDrawArraysInstanced_maxindex
176 #define __glDrawElementsInstancedARB_maxindex __glDrawElementsInstanced_maxindex
177 #define __glDrawArraysInstancedEXT_maxindex __glDrawArraysInstanced_maxindex
178 #define __glDrawElementsInstancedEXT_maxindex __glDrawElementsInstanced_maxindex
181 __glDrawArraysIndirect_maxindex(const GLvoid *indirect) {
182 OS::DebugMessage("warning: %s: unsupported\n", __FUNCTION__);
187 __glDrawElementsIndirect_maxindex(GLenum type, const GLvoid *indirect) {
188 OS::DebugMessage("warning: %s: unsupported\n", __FUNCTION__);
193 __glMultiDrawArrays_maxindex(const GLint *first, const GLsizei *count, GLsizei primcount) {
195 for (GLsizei prim = 0; prim < primcount; ++prim) {
196 GLuint maxindex_prim = __glDrawArrays_maxindex(first[prim], count[prim]);
197 maxindex = std::max(maxindex, maxindex_prim);
203 __glMultiDrawElements_maxindex(const GLsizei *count, GLenum type, const GLvoid* *indices, GLsizei primcount) {
205 for (GLsizei prim = 0; prim < primcount; ++prim) {
206 GLuint maxindex_prim = __glDrawElements_maxindex(count[prim], type, indices[prim]);
207 maxindex = std::max(maxindex, maxindex_prim);
213 __glMultiDrawElementsBaseVertex_maxindex(const GLsizei *count, GLenum type, const GLvoid* *indices, GLsizei primcount, const GLint * basevertex) {
215 for (GLsizei prim = 0; prim < primcount; ++prim) {
216 GLuint maxindex_prim = __glDrawElementsBaseVertex_maxindex(count[prim], type, indices[prim], basevertex[prim]);
217 maxindex = std::max(maxindex, maxindex_prim);
222 #define __glMultiDrawArraysEXT_maxindex __glMultiDrawArrays_maxindex
223 #define __glMultiDrawElementsEXT_maxindex __glMultiDrawElements_maxindex
225 #define __glMultiModeDrawArraysIBM_maxindex(first, count, primcount, modestride) __glMultiDrawArrays_maxindex(first, count, primcount)
226 #define __glMultiModeDrawElementsIBM_maxindex(count, type, indices, primcount, modestride) __glMultiDrawElements_maxindex(count, type, (const GLvoid **)indices, primcount)
230 __glCallLists_size(GLsizei n, GLenum type)
232 return n*__gl_type_size(type);
235 #define __glFogfv_size __gl_param_size
236 #define __glFogiv_size __gl_param_size
238 #define __glLightfv_size __gl_param_size
239 #define __glLightiv_size __gl_param_size
241 #define __glLightModelfv_size __gl_param_size
242 #define __glLightModeliv_size __glLightModelfv_size
244 #define __glMaterialfv_size __gl_param_size
245 #define __glMaterialiv_size __glMaterialfv_size
249 __glMap1d_size(GLenum target, GLint stride, GLint order)
258 case GL_MAP1_TEXTURE_COORD_1:
261 case GL_MAP1_TEXTURE_COORD_2:
265 case GL_MAP1_TEXTURE_COORD_3:
266 case GL_MAP1_VERTEX_3:
269 case GL_MAP1_COLOR_4:
270 case GL_MAP1_TEXTURE_COORD_4:
271 case GL_MAP1_VERTEX_4:
275 OS::DebugMessage("warning: %s: unknown GLenum 0x%04X\n", __FUNCTION__, target);
279 if (stride < channels) {
283 return channels + stride * (order - 1);
286 #define __glMap1f_size __glMap1d_size
289 __glMap2d_size(GLenum target, GLint ustride, GLint uorder, GLint vstride, GLint vorder)
291 if (uorder < 1 || vorder < 1) {
298 case GL_MAP2_TEXTURE_COORD_1:
301 case GL_MAP2_TEXTURE_COORD_2:
305 case GL_MAP2_TEXTURE_COORD_3:
306 case GL_MAP2_VERTEX_3:
309 case GL_MAP2_COLOR_4:
310 case GL_MAP2_TEXTURE_COORD_4:
311 case GL_MAP2_VERTEX_4:
315 OS::DebugMessage("warning: %s: unknown GLenum 0x%04X\n", __FUNCTION__, target);
319 if (ustride < channels || vstride < channels) {
324 ustride * (uorder - 1) +
325 vstride * (vorder - 1);
328 #define __glMap2f_size __glMap2d_size
330 #define __glGetBooleanv_size __gl_param_size
331 #define __glGetDoublev_size __glGetBooleanv_size
332 #define __glGetFloatv_size __glGetBooleanv_size
333 #define __glGetIntegerv_size __glGetBooleanv_size
334 #define __glGetInteger64v_size __glGetBooleanv_size
336 #define __glGetLightfv_size __glLightfv_size
337 #define __glGetLightiv_size __glLightfv_size
339 #define __glGetMaterialfv_size __glMaterialfv_size
340 #define __glGetMaterialiv_size __glMaterialfv_size
343 #define __glColorTableParameterfv_size __gl_param_size
344 #define __glColorTableParameteriv_size __gl_param_size
345 #define __glGetColorTableParameterfv_size __gl_param_size
346 #define __glGetColorTableParameteriv_size __gl_param_size
348 #define __glConvolutionParameterfv_size __gl_param_size
349 #define __glConvolutionParameteriv_size __gl_param_size
350 #define __glGetConvolutionParameterfv_size __gl_param_size
351 #define __glGetConvolutionParameteriv_size __gl_param_size
353 #define __glGetHistogramParameterfv_size __gl_param_size
354 #define __glGetHistogramParameteriv_size __gl_param_size
356 #define __glGetMinmaxParameterfv_size __gl_param_size
357 #define __glGetMinmaxParameteriv_size __gl_param_size
359 #define __glGetProgramivARB_size __gl_param_size
360 #define __glGetProgramivNV_size __gl_param_size
362 #define __glGetVertexAttribdvARB_size __gl_param_size
363 #define __glGetVertexAttribfvARB_size __gl_param_size
364 #define __glGetVertexAttribivARB_size __gl_param_size
365 #define __glGetVertexAttribdvNV_size __gl_param_size
366 #define __glGetVertexAttribfvNV_size __gl_param_size
367 #define __glGetVertexAttribivNV_size __gl_param_size
369 #define __glGetQueryObjectivARB_size __gl_param_size
370 #define __glGetQueryObjectuivARB_size __glGetQueryObjectivARB_size
371 #define __glGetQueryivARB_size __gl_param_size
373 #define __glPointParameterfv_size __glPointParameterfvEXT_size
374 #define __glPointParameteriv_size __glPointParameterfvEXT_size
375 #define __glPointParameterfvARB_size __glPointParameterfvEXT_size
376 #define __glPointParameterfvEXT_size __gl_param_size
377 #define __glPointParameterivNV_size __glPointParameterfvEXT_size
379 #define __glGetFramebufferAttachmentParameteriv_size __gl_param_size
380 #define __glGetFramebufferAttachmentParameterivEXT_size __gl_param_size
383 __gl_format_channels(GLenum format) {
392 case GL_DEPTH_COMPONENT:
393 case GL_STENCIL_INDEX:
395 case GL_DEPTH_STENCIL:
396 case GL_LUMINANCE_ALPHA:
406 OS::DebugMessage("warning: %s: unexpected format GLenum 0x%04X\n", __FUNCTION__, format);
414 return (x & (x - 1)) == 0;
417 template<class X, class Y>
420 return (x + (y - 1)) & (y - 1);
424 __gl_image_size(GLenum format, GLenum type, GLsizei width, GLsizei height, GLsizei depth) {
425 size_t num_channels = __gl_format_channels(format);
427 size_t bits_per_pixel;
433 case GL_UNSIGNED_BYTE:
434 bits_per_pixel = 8 * num_channels;
437 case GL_UNSIGNED_SHORT:
439 bits_per_pixel = 16 * num_channels;
442 case GL_UNSIGNED_INT:
444 bits_per_pixel = 32 * num_channels;
446 case GL_UNSIGNED_BYTE_3_3_2:
447 case GL_UNSIGNED_BYTE_2_3_3_REV:
450 case GL_UNSIGNED_SHORT_4_4_4_4:
451 case GL_UNSIGNED_SHORT_4_4_4_4_REV:
452 case GL_UNSIGNED_SHORT_5_5_5_1:
453 case GL_UNSIGNED_SHORT_1_5_5_5_REV:
454 case GL_UNSIGNED_SHORT_5_6_5:
455 case GL_UNSIGNED_SHORT_5_6_5_REV:
456 case GL_UNSIGNED_SHORT_8_8_MESA:
457 case GL_UNSIGNED_SHORT_8_8_REV_MESA:
460 case GL_UNSIGNED_INT_8_8_8_8:
461 case GL_UNSIGNED_INT_8_8_8_8_REV:
462 case GL_UNSIGNED_INT_10_10_10_2:
463 case GL_UNSIGNED_INT_2_10_10_10_REV:
464 case GL_UNSIGNED_INT_24_8:
465 case GL_UNSIGNED_INT_10F_11F_11F_REV:
466 case GL_UNSIGNED_INT_5_9_9_9_REV:
467 case GL_UNSIGNED_INT_S8_S8_8_8_NV:
468 case GL_UNSIGNED_INT_8_8_S8_S8_REV_NV:
471 case GL_FLOAT_32_UNSIGNED_INT_24_8_REV:
475 OS::DebugMessage("warning: %s: unexpected type GLenum 0x%04X\n", __FUNCTION__, type);
481 GLint row_length = 0;
482 GLint image_height = 0;
484 GLint skip_pixels = 0;
485 GLint skip_images = 0;
487 __glGetIntegerv(GL_UNPACK_ALIGNMENT, &alignment);
488 __glGetIntegerv(GL_UNPACK_ROW_LENGTH, &row_length);
489 __glGetIntegerv(GL_UNPACK_IMAGE_HEIGHT, &image_height);
490 __glGetIntegerv(GL_UNPACK_SKIP_ROWS, &skip_rows);
491 __glGetIntegerv(GL_UNPACK_SKIP_PIXELS, &skip_pixels);
492 __glGetIntegerv(GL_UNPACK_SKIP_IMAGES, &skip_images);
494 if (row_length <= 0) {
498 size_t row_stride = (row_length*bits_per_pixel + 7)/8;
500 if (bits_per_pixel < alignment*8 &&
501 (bits_per_pixel & 7) == 0 &&
502 _is_pot(bits_per_pixel)) {
503 row_stride = _align(row_stride, alignment);
506 if (image_height <= 0) {
507 image_height = height;
510 /* XXX: GL_UNPACK_IMAGE_HEIGHT and GL_UNPACK_SKIP_IMAGES should probably
511 * not be considered for pixel rectangles. */
513 size_t image_stride = image_height*row_stride;
515 size_t size = depth*image_stride;
517 size += (skip_pixels*bits_per_pixel + 7)/8;
518 size += skip_rows*row_stride;
519 size += skip_images*image_stride;
524 #define __glTexParameterfv_size __gl_param_size
525 #define __glTexParameteriv_size __gl_param_size
526 #define __glGetTexParameterfv_size __gl_param_size
527 #define __glGetTexParameteriv_size __gl_param_size
528 #define __glGetTexLevelParameterfv_size __gl_param_size
529 #define __glGetTexLevelParameteriv_size __gl_param_size
531 #define __glTexEnvfv_size __gl_param_size
532 #define __glTexEnviv_size __gl_param_size
533 #define __glGetTexEnvfv_size __gl_param_size
534 #define __glGetTexEnviv_size __gl_param_size
536 #define __glTexGendv_size __gl_param_size
537 #define __glTexGenfv_size __gl_param_size
538 #define __glTexGeniv_size __gl_param_size
539 #define __glGetTexGendv_size __gl_param_size
540 #define __glGetTexGenfv_size __gl_param_size
541 #define __glGetTexGeniv_size __gl_param_size
543 #define __glTexImage3D_size(format, type, width, height, depth) __gl_image_size(format, type, width, height, depth)
544 #define __glTexImage2D_size(format, type, width, height) __gl_image_size(format, type, width, height, 1)
545 #define __glTexImage1D_size(format, type, width) __gl_image_size(format, type, width, 1, 1)
547 #define __glTexSubImage3D_size(format, type, width, height, depth) __glTexImage3D_size(format, type, width, height, depth)
548 #define __glTexSubImage2D_size(format, type, width, height) __glTexImage2D_size(format, type, width, height)
549 #define __glTexSubImage1D_size(format, type, width) __glTexImage1D_size(format, type, width)
551 #define __glTexImage3DEXT_size __glTexImage3D_size
552 #define __glTexImage2DEXT_size __glTexImage2D_size
553 #define __glTexImage1DEXT_size __glTexImage1D_size
554 #define __glTexSubImage3DEXT_size __glTexSubImage3D_size
555 #define __glTexSubImage2DEXT_size __glTexSubImage2D_size
556 #define __glTexSubImage1DEXT_size __glTexSubImage1D_size
558 #define __glTextureImage3DEXT_size __glTexImage3D_size
559 #define __glTextureImage2DEXT_size __glTexImage2D_size
560 #define __glTextureImage1DEXT_size __glTexImage1D_size
561 #define __glTextureSubImage3DEXT_size __glTexSubImage3D_size
562 #define __glTextureSubImage2DEXT_size __glTexSubImage2D_size
563 #define __glTextureSubImage1DEXT_size __glTexSubImage1D_size
565 #define __glMultiTexImage3DEXT_size __glTexImage3D_size
566 #define __glMultiTexImage2DEXT_size __glTexImage2D_size
567 #define __glMultiTexImage1DEXT_size __glTexImage1D_size
568 #define __glMultiTexSubImage3DEXT_size __glTexSubImage3D_size
569 #define __glMultiTexSubImage2DEXT_size __glTexSubImage2D_size
570 #define __glMultiTexSubImage1DEXT_size __glTexSubImage1D_size
572 #define __glDrawPixels_size(format, type, width, height) __glTexImage2D_size(format, type, width, height)
574 #define __glBitmap_size(width, height) __glTexImage2D_size(GL_COLOR_INDEX, GL_BITMAP, width, height)
575 #define __glPolygonStipple_size() __glBitmap_size(32, 32)
579 * 0 terminated integer/float attribute list.
583 __AttribList_size(const T *pAttribList)
590 } while (*pAttribList++);
597 #endif /* _GL_SIZE_HPP_ */