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) {
194 OS::DebugMessage("warning: %s: unsupported\n", __FUNCTION__);
199 __glMultiDrawElements_maxindex(const GLsizei *count, GLenum type, const GLvoid* *indices, GLsizei primcount) {
200 OS::DebugMessage("warning: %s: unsupported\n", __FUNCTION__);
205 __glMultiDrawElementsBaseVertex_maxindex(const GLsizei *count, GLenum type, const GLvoid* *indices, GLsizei primcount, const GLint * basevertex) {
206 OS::DebugMessage("warning: %s: unsupported\n", __FUNCTION__);
210 #define __glMultiDrawArraysEXT_maxindex __glMultiDrawArrays_maxindex
211 #define __glMultiDrawElementsEXT_maxindex __glMultiDrawElements_maxindex
213 #define __glMultiModeDrawArraysIBM_maxindex(first, count, primcount, modestride) __glMultiDrawArrays_maxindex(first, count, primcount)
214 #define __glMultiModeDrawElementsIBM_maxindex(count, type, indices, primcount, modestride) __glMultiDrawElements_maxindex(count, type, (const GLvoid **)indices, primcount)
218 __glCallLists_size(GLsizei n, GLenum type)
220 return n*__gl_type_size(type);
223 #define __glFogfv_size __gl_param_size
224 #define __glFogiv_size __gl_param_size
226 #define __glLightfv_size __gl_param_size
227 #define __glLightiv_size __gl_param_size
229 #define __glLightModelfv_size __gl_param_size
230 #define __glLightModeliv_size __glLightModelfv_size
232 #define __glMaterialfv_size __gl_param_size
233 #define __glMaterialiv_size __glMaterialfv_size
237 __glMap1d_size(GLenum pname)
241 case GL_MAP1_TEXTURE_COORD_1:
243 case GL_MAP1_TEXTURE_COORD_2:
246 case GL_MAP1_TEXTURE_COORD_3:
247 case GL_MAP1_VERTEX_3:
249 case GL_MAP1_COLOR_4:
250 case GL_MAP1_TEXTURE_COORD_4:
251 case GL_MAP1_VERTEX_4:
254 OS::DebugMessage("warning: %s: unknown GLenum 0x%04X\n", __FUNCTION__, pname);
259 #define __glMap1f_size __glMap1d_size
262 __glMap2d_size(GLenum pname)
266 case GL_MAP2_TEXTURE_COORD_1:
268 case GL_MAP2_TEXTURE_COORD_2:
271 case GL_MAP2_TEXTURE_COORD_3:
272 case GL_MAP2_VERTEX_3:
274 case GL_MAP2_COLOR_4:
275 case GL_MAP2_TEXTURE_COORD_4:
276 case GL_MAP2_VERTEX_4:
279 OS::DebugMessage("warning: %s: unknown GLenum 0x%04X\n", __FUNCTION__, pname);
284 #define __glMap2f_size __glMap2d_size
286 #define __glGetBooleanv_size __gl_param_size
287 #define __glGetDoublev_size __glGetBooleanv_size
288 #define __glGetFloatv_size __glGetBooleanv_size
289 #define __glGetIntegerv_size __glGetBooleanv_size
290 #define __glGetInteger64v_size __glGetBooleanv_size
292 #define __glGetLightfv_size __glLightfv_size
293 #define __glGetLightiv_size __glLightfv_size
295 #define __glGetMaterialfv_size __glMaterialfv_size
296 #define __glGetMaterialiv_size __glMaterialfv_size
299 #define __glColorTableParameterfv_size __gl_param_size
300 #define __glColorTableParameteriv_size __gl_param_size
301 #define __glGetColorTableParameterfv_size __gl_param_size
302 #define __glGetColorTableParameteriv_size __gl_param_size
304 #define __glConvolutionParameterfv_size __gl_param_size
305 #define __glConvolutionParameteriv_size __gl_param_size
306 #define __glGetConvolutionParameterfv_size __gl_param_size
307 #define __glGetConvolutionParameteriv_size __gl_param_size
309 #define __glGetHistogramParameterfv_size __gl_param_size
310 #define __glGetHistogramParameteriv_size __gl_param_size
312 #define __glGetMinmaxParameterfv_size __gl_param_size
313 #define __glGetMinmaxParameteriv_size __gl_param_size
315 #define __glGetProgramivARB_size __gl_param_size
316 #define __glGetProgramivNV_size __gl_param_size
318 #define __glGetVertexAttribdvARB_size __gl_param_size
319 #define __glGetVertexAttribfvARB_size __gl_param_size
320 #define __glGetVertexAttribivARB_size __gl_param_size
321 #define __glGetVertexAttribdvNV_size __gl_param_size
322 #define __glGetVertexAttribfvNV_size __gl_param_size
323 #define __glGetVertexAttribivNV_size __gl_param_size
325 #define __glGetQueryObjectivARB_size __gl_param_size
326 #define __glGetQueryObjectuivARB_size __glGetQueryObjectivARB_size
327 #define __glGetQueryivARB_size __gl_param_size
329 #define __glPointParameterfv_size __glPointParameterfvEXT_size
330 #define __glPointParameteriv_size __glPointParameterfvEXT_size
331 #define __glPointParameterfvARB_size __glPointParameterfvEXT_size
332 #define __glPointParameterfvEXT_size __gl_param_size
333 #define __glPointParameterivNV_size __glPointParameterfvEXT_size
335 #define __glGetFramebufferAttachmentParameteriv_size __gl_param_size
336 #define __glGetFramebufferAttachmentParameterivEXT_size __gl_param_size
339 __gl_format_channels(GLenum format) {
348 case GL_DEPTH_COMPONENT:
349 case GL_STENCIL_INDEX:
351 case GL_DEPTH_STENCIL:
352 case GL_LUMINANCE_ALPHA:
362 OS::DebugMessage("warning: %s: unexpected format GLenum 0x%04X\n", __FUNCTION__, format);
370 return (x & (x - 1)) == 0;
373 template<class X, class Y>
376 return (x + (y - 1)) & (y - 1);
380 __gl_image_size(GLenum format, GLenum type, GLsizei width, GLsizei height, GLsizei depth) {
381 size_t num_channels = __gl_format_channels(format);
383 size_t bits_per_pixel;
389 case GL_UNSIGNED_BYTE:
390 bits_per_pixel = 8 * num_channels;
393 case GL_UNSIGNED_SHORT:
395 bits_per_pixel = 16 * num_channels;
398 case GL_UNSIGNED_INT:
400 bits_per_pixel = 32 * num_channels;
402 case GL_UNSIGNED_BYTE_3_3_2:
403 case GL_UNSIGNED_BYTE_2_3_3_REV:
406 case GL_UNSIGNED_SHORT_4_4_4_4:
407 case GL_UNSIGNED_SHORT_4_4_4_4_REV:
408 case GL_UNSIGNED_SHORT_5_5_5_1:
409 case GL_UNSIGNED_SHORT_1_5_5_5_REV:
410 case GL_UNSIGNED_SHORT_5_6_5:
411 case GL_UNSIGNED_SHORT_5_6_5_REV:
412 case GL_UNSIGNED_SHORT_8_8_MESA:
413 case GL_UNSIGNED_SHORT_8_8_REV_MESA:
416 case GL_UNSIGNED_INT_8_8_8_8:
417 case GL_UNSIGNED_INT_8_8_8_8_REV:
418 case GL_UNSIGNED_INT_10_10_10_2:
419 case GL_UNSIGNED_INT_2_10_10_10_REV:
420 case GL_UNSIGNED_INT_24_8:
421 case GL_UNSIGNED_INT_10F_11F_11F_REV:
422 case GL_UNSIGNED_INT_5_9_9_9_REV:
423 case GL_UNSIGNED_INT_S8_S8_8_8_NV:
424 case GL_UNSIGNED_INT_8_8_S8_S8_REV_NV:
427 case GL_FLOAT_32_UNSIGNED_INT_24_8_REV:
431 OS::DebugMessage("warning: %s: unexpected type GLenum 0x%04X\n", __FUNCTION__, type);
437 GLint row_length = 0;
438 GLint image_height = 0;
440 GLint skip_pixels = 0;
441 GLint skip_images = 0;
443 __glGetIntegerv(GL_UNPACK_ALIGNMENT, &alignment);
444 __glGetIntegerv(GL_UNPACK_ROW_LENGTH, &row_length);
445 __glGetIntegerv(GL_UNPACK_IMAGE_HEIGHT, &image_height);
446 __glGetIntegerv(GL_UNPACK_SKIP_ROWS, &skip_rows);
447 __glGetIntegerv(GL_UNPACK_SKIP_PIXELS, &skip_pixels);
448 __glGetIntegerv(GL_UNPACK_SKIP_IMAGES, &skip_images);
450 if (row_length <= 0) {
454 size_t row_stride = (row_length*bits_per_pixel + 7)/8;
456 if (bits_per_pixel < alignment*8 &&
457 (bits_per_pixel & 7) == 0 &&
458 _is_pot(bits_per_pixel)) {
459 row_stride = _align(row_stride, alignment);
462 if (image_height <= 0) {
463 image_height = height;
466 /* XXX: GL_UNPACK_IMAGE_HEIGHT and GL_UNPACK_SKIP_IMAGES should probably
467 * not be considered for pixel rectangles. */
469 size_t image_stride = image_height*row_stride;
471 size_t size = depth*image_stride;
473 size += (skip_pixels*bits_per_pixel + 7)/8;
474 size += skip_rows*row_stride;
475 size += skip_images*image_stride;
480 #define __glTexParameterfv_size __gl_param_size
481 #define __glTexParameteriv_size __gl_param_size
482 #define __glGetTexParameterfv_size __gl_param_size
483 #define __glGetTexParameteriv_size __gl_param_size
484 #define __glGetTexLevelParameterfv_size __gl_param_size
485 #define __glGetTexLevelParameteriv_size __gl_param_size
487 #define __glTexEnvfv_size __gl_param_size
488 #define __glTexEnviv_size __gl_param_size
489 #define __glGetTexEnvfv_size __gl_param_size
490 #define __glGetTexEnviv_size __gl_param_size
492 #define __glTexGendv_size __gl_param_size
493 #define __glTexGenfv_size __gl_param_size
494 #define __glTexGeniv_size __gl_param_size
495 #define __glGetTexGendv_size __gl_param_size
496 #define __glGetTexGenfv_size __gl_param_size
497 #define __glGetTexGeniv_size __gl_param_size
499 #define __glTexImage3D_size(format, type, width, height, depth) __gl_image_size(format, type, width, height, depth)
500 #define __glTexImage2D_size(format, type, width, height) __gl_image_size(format, type, width, height, 1)
501 #define __glTexImage1D_size(format, type, width) __gl_image_size(format, type, width, 1, 1)
503 #define __glTexSubImage3D_size(format, type, width, height, depth) __glTexImage3D_size(format, type, width, height, depth)
504 #define __glTexSubImage2D_size(format, type, width, height) __glTexImage2D_size(format, type, width, height)
505 #define __glTexSubImage1D_size(format, type, width) __glTexImage1D_size(format, type, width)
507 #define __glTexImage3DEXT_size __glTexImage3D_size
508 #define __glTexImage2DEXT_size __glTexImage2D_size
509 #define __glTexImage1DEXT_size __glTexImage1D_size
510 #define __glTexSubImage3DEXT_size __glTexSubImage3D_size
511 #define __glTexSubImage2DEXT_size __glTexSubImage2D_size
512 #define __glTexSubImage1DEXT_size __glTexSubImage1D_size
514 #define __glTextureImage3DEXT_size __glTexImage3D_size
515 #define __glTextureImage2DEXT_size __glTexImage2D_size
516 #define __glTextureImage1DEXT_size __glTexImage1D_size
517 #define __glTextureSubImage3DEXT_size __glTexSubImage3D_size
518 #define __glTextureSubImage2DEXT_size __glTexSubImage2D_size
519 #define __glTextureSubImage1DEXT_size __glTexSubImage1D_size
521 #define __glMultiTexImage3DEXT_size __glTexImage3D_size
522 #define __glMultiTexImage2DEXT_size __glTexImage2D_size
523 #define __glMultiTexImage1DEXT_size __glTexImage1D_size
524 #define __glMultiTexSubImage3DEXT_size __glTexSubImage3D_size
525 #define __glMultiTexSubImage2DEXT_size __glTexSubImage2D_size
526 #define __glMultiTexSubImage1DEXT_size __glTexSubImage1D_size
528 #define __glDrawPixels_size(format, type, width, height) __glTexImage2D_size(format, type, width, height)
530 #define __glBitmap_size(width, height) __glTexImage2D_size(GL_COLOR_INDEX, GL_BITMAP, width, height)
531 #define __glPolygonStipple_size() __glBitmap_size(32, 32)
535 * 0 terminated integer/float attribute list.
539 __AttribList_size(const T *pAttribList)
546 } while (*pAttribList++);
553 #endif /* _GL_SIZE_HPP_ */