-/**************************************************************************
- *
- * Copyright 2011 Jose Fonseca
- * Copyright 2010 VMware, Inc.
- * Copyright 2004 IBM Corporation
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sub license,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
- * AUTHORS,
- * AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
- * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
- * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- *
- **************************************************************************/
-
-/*
- * Auxiliary functions to compute the size of array/blob arguments, depending.
- */
-
-#ifndef _GL_SIZE_HPP_
-#define _GL_SIZE_HPP_
-
-
-#include <string.h>
-
-#include "os.hpp"
-#include "glimports.hpp"
-
-
-static inline size_t
-__gl_type_size(GLenum type)
-{
- switch (type) {
- case GL_BOOL:
- case GL_BYTE:
- case GL_UNSIGNED_BYTE:
- return 1;
- case GL_SHORT:
- case GL_UNSIGNED_SHORT:
- case GL_2_BYTES:
- case GL_HALF_FLOAT:
- return 2;
- case GL_3_BYTES:
- return 3;
- case GL_INT:
- case GL_UNSIGNED_INT:
- case GL_FLOAT:
- case GL_4_BYTES:
- case GL_FIXED:
- return 4;
- case GL_DOUBLE:
- return 8;
- default:
- os::log("apitrace: warning: %s: unknown GLenum 0x%04X\n", __FUNCTION__, type);
- return 0;
- }
-}
-
-static inline void
-__gl_uniform_size(GLenum type, GLenum &elemType, GLint &numElems) {
- switch (type) {
- case GL_FLOAT:
- elemType = GL_FLOAT;
- numElems = 1;
- break;
- case GL_FLOAT_VEC2:
- elemType = GL_FLOAT;
- numElems = 2;
- break;
- case GL_FLOAT_VEC3:
- elemType = GL_FLOAT;
- numElems = 3;
- break;
- case GL_FLOAT_VEC4:
- elemType = GL_FLOAT;
- numElems = 4;
- break;
- case GL_DOUBLE:
- elemType = GL_DOUBLE;
- numElems = 1;
- break;
- case GL_DOUBLE_VEC2:
- elemType = GL_DOUBLE;
- numElems = 2;
- break;
- case GL_DOUBLE_VEC3:
- elemType = GL_DOUBLE;
- numElems = 3;
- break;
- case GL_DOUBLE_VEC4:
- elemType = GL_DOUBLE;
- numElems = 4;
- break;
- case GL_INT:
- elemType = GL_INT;
- numElems = 1;
- break;
- case GL_INT_VEC2:
- elemType = GL_INT;
- numElems = 2;
- break;
- case GL_INT_VEC3:
- elemType = GL_INT;
- numElems = 3;
- break;
- case GL_INT_VEC4:
- elemType = GL_INT;
- numElems = 4;
- break;
- case GL_UNSIGNED_INT:
- elemType = GL_UNSIGNED_INT;
- numElems = 1;
- break;
- case GL_UNSIGNED_INT_VEC2:
- elemType = GL_UNSIGNED_INT;
- numElems = 2;
- break;
- case GL_UNSIGNED_INT_VEC3:
- elemType = GL_UNSIGNED_INT;
- numElems = 3;
- break;
- case GL_UNSIGNED_INT_VEC4:
- elemType = GL_UNSIGNED_INT;
- numElems = 4;
- break;
- case GL_BOOL:
- elemType = GL_BOOL;
- numElems = 1;
- break;
- case GL_BOOL_VEC2:
- elemType = GL_BOOL;
- numElems = 2;
- break;
- case GL_BOOL_VEC3:
- elemType = GL_BOOL;
- numElems = 3;
- break;
- case GL_BOOL_VEC4:
- elemType = GL_BOOL;
- numElems = 4;
- break;
- case GL_FLOAT_MAT2:
- elemType = GL_FLOAT;
- numElems = 2*2;
- break;
- case GL_FLOAT_MAT3:
- elemType = GL_FLOAT;
- numElems = 3*3;
- break;
- case GL_FLOAT_MAT4:
- elemType = GL_FLOAT;
- numElems = 4*4;
- break;
- case GL_FLOAT_MAT2x3:
- elemType = GL_FLOAT;
- numElems = 2*3;
- break;
- case GL_FLOAT_MAT2x4:
- elemType = GL_FLOAT;
- numElems = 2*4;
- break;
- case GL_FLOAT_MAT3x2:
- elemType = GL_FLOAT;
- numElems = 3*2;
- break;
- case GL_FLOAT_MAT3x4:
- elemType = GL_FLOAT;
- numElems = 3*4;
- break;
- case GL_FLOAT_MAT4x2:
- elemType = GL_FLOAT;
- numElems = 4*2;
- break;
- case GL_FLOAT_MAT4x3:
- elemType = GL_FLOAT;
- numElems = 4*3;
- break;
- case GL_DOUBLE_MAT2:
- elemType = GL_DOUBLE;
- numElems = 2*2;
- break;
- case GL_DOUBLE_MAT3:
- elemType = GL_DOUBLE;
- numElems = 3*3;
- break;
- case GL_DOUBLE_MAT4:
- elemType = GL_DOUBLE;
- numElems = 4*4;
- break;
- case GL_DOUBLE_MAT2x3:
- elemType = GL_DOUBLE;
- numElems = 2*3;
- break;
- case GL_DOUBLE_MAT2x4:
- elemType = GL_DOUBLE;
- numElems = 2*4;
- break;
- case GL_DOUBLE_MAT3x2:
- elemType = GL_DOUBLE;
- numElems = 3*2;
- break;
- case GL_DOUBLE_MAT3x4:
- elemType = GL_DOUBLE;
- numElems = 3*4;
- break;
- case GL_DOUBLE_MAT4x2:
- elemType = GL_DOUBLE;
- numElems = 4*2;
- break;
- case GL_DOUBLE_MAT4x3:
- elemType = GL_DOUBLE;
- numElems = 4*3;
- break;
- case GL_SAMPLER_1D:
- case GL_SAMPLER_2D:
- case GL_SAMPLER_3D:
- case GL_SAMPLER_CUBE:
- case GL_SAMPLER_1D_SHADOW:
- case GL_SAMPLER_2D_SHADOW:
- case GL_SAMPLER_1D_ARRAY:
- case GL_SAMPLER_2D_ARRAY:
- case GL_SAMPLER_CUBE_MAP_ARRAY:
- case GL_SAMPLER_1D_ARRAY_SHADOW:
- case GL_SAMPLER_2D_ARRAY_SHADOW:
- case GL_SAMPLER_2D_MULTISAMPLE:
- case GL_SAMPLER_2D_MULTISAMPLE_ARRAY:
- case GL_SAMPLER_CUBE_SHADOW:
- case GL_SAMPLER_CUBE_MAP_ARRAY_SHADOW:
- case GL_SAMPLER_BUFFER:
- case GL_SAMPLER_2D_RECT:
- case GL_SAMPLER_2D_RECT_SHADOW:
- case GL_INT_SAMPLER_1D:
- case GL_INT_SAMPLER_2D:
- case GL_INT_SAMPLER_3D:
- case GL_INT_SAMPLER_CUBE:
- case GL_INT_SAMPLER_1D_ARRAY:
- case GL_INT_SAMPLER_2D_ARRAY:
- case GL_INT_SAMPLER_CUBE_MAP_ARRAY:
- case GL_INT_SAMPLER_2D_MULTISAMPLE:
- case GL_INT_SAMPLER_2D_MULTISAMPLE_ARRAY:
- case GL_INT_SAMPLER_BUFFER:
- case GL_INT_SAMPLER_2D_RECT:
- case GL_UNSIGNED_INT_SAMPLER_1D:
- case GL_UNSIGNED_INT_SAMPLER_2D:
- case GL_UNSIGNED_INT_SAMPLER_3D:
- case GL_UNSIGNED_INT_SAMPLER_CUBE:
- case GL_UNSIGNED_INT_SAMPLER_1D_ARRAY:
- case GL_UNSIGNED_INT_SAMPLER_2D_ARRAY:
- case GL_UNSIGNED_INT_SAMPLER_CUBE_MAP_ARRAY:
- case GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE:
- case GL_UNSIGNED_INT_SAMPLER_2D_MULTISAMPLE_ARRAY:
- case GL_UNSIGNED_INT_SAMPLER_BUFFER:
- case GL_UNSIGNED_INT_SAMPLER_2D_RECT:
- elemType = GL_INT;
- numElems = 1;
- break;
- default:
- os::log("apitrace: warning: %s: unknown GLenum 0x%04X\n", __FUNCTION__, type);
- elemType = GL_NONE;
- numElems = 0;
- return;
- }
-}
-
-static inline size_t
-__glArrayPointer_size(GLint size, GLenum type, GLsizei stride, GLsizei maxIndex)
-{
- size_t elementSize = size*__gl_type_size(type);
- if (!stride) {
- stride = (GLsizei)elementSize;
- }
- return stride*maxIndex + elementSize;
-}
-
-#define __glVertexPointer_size(size, type, stride, maxIndex) __glArrayPointer_size(size, type, stride, maxIndex)
-#define __glNormalPointer_size(type, stride, maxIndex) __glArrayPointer_size(3, type, stride, maxIndex)
-#define __glColorPointer_size(size, type, stride, maxIndex) __glArrayPointer_size(size, type, stride, maxIndex)
-#define __glIndexPointer_size(type, stride, maxIndex) __glArrayPointer_size(1, type, stride, maxIndex)
-#define __glTexCoordPointer_size(size, type, stride, maxIndex) __glArrayPointer_size(size, type, stride, maxIndex)
-#define __glEdgeFlagPointer_size(stride, maxIndex) __glArrayPointer_size(1, GL_BOOL, stride, maxIndex)
-#define __glFogCoordPointer_size(type, stride, maxIndex) __glArrayPointer_size(1, type, stride, maxIndex)
-#define __glSecondaryColorPointer_size(size, type, stride, maxIndex) __glArrayPointer_size(size, type, stride, maxIndex)
-#define __glVertexAttribPointer_size(size, type, normalized, stride, maxIndex) __glArrayPointer_size(size, type, stride, maxIndex)
-#define __glVertexAttribPointerARB_size(size, type, normalized, stride, maxIndex) __glArrayPointer_size(size, type, stride, maxIndex)
-#define __glVertexAttribPointerNV_size(size, type, stride, maxIndex) __glArrayPointer_size(size, type, stride, maxIndex)
-
-static inline GLuint
-__glDrawArrays_maxindex(GLint first, GLsizei count)
-{
- if (!count) {
- return 0;
- }
- return first + count - 1;
-}
-
-#define __glDrawArraysEXT_maxindex __glDrawArrays_maxindex
-
-static inline GLuint
-__glDrawElementsBaseVertex_maxindex(GLsizei count, GLenum type, const GLvoid *indices, GLint basevertex)
-{
- GLvoid *temp = 0;
- GLint __element_array_buffer = 0;
-
- if (!count) {
- return 0;
- }
-
- __glGetIntegerv(GL_ELEMENT_ARRAY_BUFFER_BINDING, &__element_array_buffer);
- if (__element_array_buffer) {
- // Read indices from index buffer object
- GLintptr offset = (GLintptr)indices;
- GLsizeiptr size = count*__gl_type_size(type);
- GLvoid *temp = malloc(size);
- if (!temp) {
- return 0;
- }
- memset(temp, 0, size);
- __glGetBufferSubData(GL_ELEMENT_ARRAY_BUFFER, offset, size, temp);
- indices = temp;
- } else {
- if (!indices) {
- return 0;
- }
- }
-
- GLuint maxindex = 0;
- GLsizei i;
- if (type == GL_UNSIGNED_BYTE) {
- const GLubyte *p = (const GLubyte *)indices;
- for (i = 0; i < count; ++i) {
- if (p[i] > maxindex) {
- maxindex = p[i];
- }
- }
- } else if (type == GL_UNSIGNED_SHORT) {
- const GLushort *p = (const GLushort *)indices;
- for (i = 0; i < count; ++i) {
- if (p[i] > maxindex) {
- maxindex = p[i];
- }
- }
- } else if (type == GL_UNSIGNED_INT) {
- const GLuint *p = (const GLuint *)indices;
- for (i = 0; i < count; ++i) {
- if (p[i] > maxindex) {
- maxindex = p[i];
- }
- }
- } else {
- os::log("apitrace: warning: %s: unknown GLenum 0x%04X\n", __FUNCTION__, type);
- }
-
- if (__element_array_buffer) {
- free(temp);
- }
-
- maxindex += basevertex;
-
- return maxindex;
-}
-
-#define __glDrawRangeElementsBaseVertex_maxindex(start, end, count, type, indices, basevertex) __glDrawElementsBaseVertex_maxindex(count, type, indices, basevertex)
-
-#define __glDrawElements_maxindex(count, type, indices) __glDrawElementsBaseVertex_maxindex(count, type, indices, 0);
-#define __glDrawRangeElements_maxindex(start, end, count, type, indices) __glDrawElements_maxindex(count, type, indices)
-#define __glDrawRangeElementsEXT_maxindex __glDrawRangeElements_maxindex
-
-/* FIXME take in consideration instancing */
-#define __glDrawArraysInstanced_maxindex(first, count, primcount) __glDrawArrays_maxindex(first, count)
-#define __glDrawElementsInstanced_maxindex(count, type, indices, primcount) __glDrawElements_maxindex(count, type, indices)
-#define __glDrawElementsInstancedBaseVertex_maxindex(count, type, indices, primcount, basevertex) __glDrawElementsBaseVertex_maxindex(count, type, indices, basevertex)
-#define __glDrawRangeElementsInstanced_maxindex(start, end, count, type, indices, primcount) __glDrawRangeElements_maxindex(start, end, count, type, indices)
-#define __glDrawRangeElementsInstancedBaseVertex_maxindex(start, end, count, type, indices, primcount, basevertex) __glDrawRangeElementsBaseVertex_maxindex(start, end, count, type, indices, basevertex)
-
-#define __glDrawArraysInstancedBaseInstance_maxindex(first, count, primcount, baseinstance) __glDrawArrays_maxindex(first, count)
-#define __glDrawElementsInstancedBaseInstance_maxindex(count, type, indices, primcount, baseinstance) __glDrawElements_maxindex(count, type, indices)
-#define __glDrawElementsInstancedBaseVertexBaseInstance_maxindex(count, type, indices, primcount, basevertex, baseinstance) __glDrawElementsBaseVertex_maxindex(count, type, indices, basevertex)
-
-#define __glDrawArraysInstancedARB_maxindex __glDrawArraysInstanced_maxindex
-#define __glDrawElementsInstancedARB_maxindex __glDrawElementsInstanced_maxindex
-#define __glDrawArraysInstancedEXT_maxindex __glDrawArraysInstanced_maxindex
-#define __glDrawElementsInstancedEXT_maxindex __glDrawElementsInstanced_maxindex
-
-static inline GLuint
-__glDrawArraysIndirect_maxindex(const GLvoid *indirect) {
- os::log("apitrace: warning: %s: unsupported\n", __FUNCTION__);
- return 0;
-}
-
-static inline GLuint
-__glDrawElementsIndirect_maxindex(GLenum type, const GLvoid *indirect) {
- os::log("apitrace: warning: %s: unsupported\n", __FUNCTION__);
- return 0;
-}
-
-static inline GLuint
-__glMultiDrawArrays_maxindex(const GLint *first, const GLsizei *count, GLsizei primcount) {
- GLuint maxindex = 0;
- for (GLsizei prim = 0; prim < primcount; ++prim) {
- GLuint maxindex_prim = __glDrawArrays_maxindex(first[prim], count[prim]);
- maxindex = std::max(maxindex, maxindex_prim);
- }
- return maxindex;
-}
-
-static inline GLuint
-__glMultiDrawElements_maxindex(const GLsizei *count, GLenum type, const GLvoid* *indices, GLsizei primcount) {
- GLuint maxindex = 0;
- for (GLsizei prim = 0; prim < primcount; ++prim) {
- GLuint maxindex_prim = __glDrawElements_maxindex(count[prim], type, indices[prim]);
- maxindex = std::max(maxindex, maxindex_prim);
- }
- return maxindex;
-}
-
-static inline GLuint
-__glMultiDrawElementsBaseVertex_maxindex(const GLsizei *count, GLenum type, const GLvoid* *indices, GLsizei primcount, const GLint * basevertex) {
- GLuint maxindex = 0;
- for (GLsizei prim = 0; prim < primcount; ++prim) {
- GLuint maxindex_prim = __glDrawElementsBaseVertex_maxindex(count[prim], type, indices[prim], basevertex[prim]);
- maxindex = std::max(maxindex, maxindex_prim);
- }
- return maxindex;
-}
-
-#define __glMultiDrawArraysEXT_maxindex __glMultiDrawArrays_maxindex
-#define __glMultiDrawElementsEXT_maxindex __glMultiDrawElements_maxindex
-
-#define __glMultiModeDrawArraysIBM_maxindex(first, count, primcount, modestride) __glMultiDrawArrays_maxindex(first, count, primcount)
-#define __glMultiModeDrawElementsIBM_maxindex(count, type, indices, primcount, modestride) __glMultiDrawElements_maxindex(count, type, (const GLvoid **)indices, primcount)
-
-
-static inline size_t
-__glCallLists_size(GLsizei n, GLenum type)
-{
- return n*__gl_type_size(type);
-}
-
-static inline size_t
-__glMap1d_size(GLenum target, GLint stride, GLint order)
-{
- if (order < 1) {
- return 0;
- }
-
- GLint channels;
- switch (target) {
- case GL_MAP1_INDEX:
- case GL_MAP1_TEXTURE_COORD_1:
- channels = 1;
- break;
- case GL_MAP1_TEXTURE_COORD_2:
- channels = 2;
- break;
- case GL_MAP1_NORMAL:
- case GL_MAP1_TEXTURE_COORD_3:
- case GL_MAP1_VERTEX_3:
- channels = 3;
- break;
- case GL_MAP1_COLOR_4:
- case GL_MAP1_TEXTURE_COORD_4:
- case GL_MAP1_VERTEX_4:
- channels = 4;
- break;
- default:
- os::log("apitrace: warning: %s: unknown GLenum 0x%04X\n", __FUNCTION__, target);
- return 0;
- }
-
- if (stride < channels) {
- return 0;
- }
-
- return channels + stride * (order - 1);
-}
-
-#define __glMap1f_size __glMap1d_size
-
-static inline size_t
-__glMap2d_size(GLenum target, GLint ustride, GLint uorder, GLint vstride, GLint vorder)
-{
- if (uorder < 1 || vorder < 1) {
- return 0;
- }
-
- GLint channels;
- switch (target) {
- case GL_MAP2_INDEX:
- case GL_MAP2_TEXTURE_COORD_1:
- channels = 1;
- break;
- case GL_MAP2_TEXTURE_COORD_2:
- channels = 2;
- break;
- case GL_MAP2_NORMAL:
- case GL_MAP2_TEXTURE_COORD_3:
- case GL_MAP2_VERTEX_3:
- channels = 3;
- break;
- case GL_MAP2_COLOR_4:
- case GL_MAP2_TEXTURE_COORD_4:
- case GL_MAP2_VERTEX_4:
- channels = 4;
- break;
- default:
- os::log("apitrace: warning: %s: unknown GLenum 0x%04X\n", __FUNCTION__, target);
- return 0;
- }
-
- if (ustride < channels || vstride < channels) {
- return 0;
- }
-
- return channels +
- ustride * (uorder - 1) +
- vstride * (vorder - 1);
-}
-
-#define __glMap2f_size __glMap2d_size
-
-static inline unsigned
-__gl_format_channels(GLenum format) {
- switch (format) {
- case GL_COLOR_INDEX:
- case GL_RED:
- case GL_GREEN:
- case GL_BLUE:
- case GL_ALPHA:
- case GL_INTENSITY:
- case GL_LUMINANCE:
- case GL_DEPTH_COMPONENT:
- case GL_STENCIL_INDEX:
- return 1;
- case GL_DEPTH_STENCIL:
- case GL_LUMINANCE_ALPHA:
- case GL_RG:
- case GL_HILO_NV:
- case GL_DSDT_NV:
- return 2;
- case GL_RGB:
- case GL_BGR:
- case GL_DSDT_MAG_NV:
- return 3;
- case GL_RGBA:
- case GL_BGRA:
- case GL_ABGR_EXT:
- case GL_CMYK_EXT:
- case GL_DSDT_MAG_VIB_NV:
- return 4;
- case GL_CMYKA_EXT:
- return 5;
- default:
- os::log("apitrace: warning: %s: unexpected format GLenum 0x%04X\n", __FUNCTION__, format);
- return 0;
- }
-}
-
-template<class X>
-static inline bool
-_is_pot(X x) {
- return (x & (x - 1)) == 0;
-}
-
-template<class X, class Y>
-static inline X
-_align(X x, Y y) {
- return (x + (y - 1)) & ~(y - 1);
-}
-
-static inline size_t
-__gl_image_size(GLenum format, GLenum type, GLsizei width, GLsizei height, GLsizei depth, GLboolean has_unpack_subimage) {
- unsigned num_channels = __gl_format_channels(format);
-
- unsigned bits_per_pixel;
- switch (type) {
- case GL_BITMAP:
- bits_per_pixel = 1;
- break;
- case GL_BYTE:
- case GL_UNSIGNED_BYTE:
- bits_per_pixel = 8 * num_channels;
- break;
- case GL_SHORT:
- case GL_UNSIGNED_SHORT:
- case GL_HALF_FLOAT:
- bits_per_pixel = 16 * num_channels;
- break;
- case GL_INT:
- case GL_UNSIGNED_INT:
- case GL_FLOAT:
- bits_per_pixel = 32 * num_channels;
- break;
- case GL_UNSIGNED_BYTE_3_3_2:
- case GL_UNSIGNED_BYTE_2_3_3_REV:
- bits_per_pixel = 8;
- break;
- case GL_UNSIGNED_SHORT_4_4_4_4:
- case GL_UNSIGNED_SHORT_4_4_4_4_REV:
- case GL_UNSIGNED_SHORT_5_5_5_1:
- case GL_UNSIGNED_SHORT_1_5_5_5_REV:
- case GL_UNSIGNED_SHORT_5_6_5:
- case GL_UNSIGNED_SHORT_5_6_5_REV:
- case GL_UNSIGNED_SHORT_8_8_MESA:
- case GL_UNSIGNED_SHORT_8_8_REV_MESA:
- bits_per_pixel = 16;
- break;
- case GL_UNSIGNED_INT_8_8_8_8:
- case GL_UNSIGNED_INT_8_8_8_8_REV:
- case GL_UNSIGNED_INT_10_10_10_2:
- case GL_UNSIGNED_INT_2_10_10_10_REV:
- case GL_UNSIGNED_INT_24_8:
- case GL_UNSIGNED_INT_10F_11F_11F_REV:
- case GL_UNSIGNED_INT_5_9_9_9_REV:
- case GL_UNSIGNED_INT_S8_S8_8_8_NV:
- case GL_UNSIGNED_INT_8_8_S8_S8_REV_NV:
- bits_per_pixel = 32;
- break;
- case GL_FLOAT_32_UNSIGNED_INT_24_8_REV:
- bits_per_pixel = 64;
- break;
- default:
- os::log("apitrace: warning: %s: unexpected type GLenum 0x%04X\n", __FUNCTION__, type);
- bits_per_pixel = 0;
- break;
- }
-
- GLint alignment = 4;
- GLint row_length = 0;
- GLint image_height = 0;
- GLint skip_rows = 0;
- GLint skip_pixels = 0;
- GLint skip_images = 0;
-
- __glGetIntegerv(GL_UNPACK_ALIGNMENT, &alignment);
- if (has_unpack_subimage) {
- __glGetIntegerv(GL_UNPACK_ROW_LENGTH, &row_length);
- __glGetIntegerv(GL_UNPACK_IMAGE_HEIGHT, &image_height);
- __glGetIntegerv(GL_UNPACK_SKIP_ROWS, &skip_rows);
- __glGetIntegerv(GL_UNPACK_SKIP_PIXELS, &skip_pixels);
- __glGetIntegerv(GL_UNPACK_SKIP_IMAGES, &skip_images);
- }
-
- if (row_length <= 0) {
- row_length = width;
- }
-
- size_t row_stride = (row_length*bits_per_pixel + 7)/8;
-
- if ((GLint)bits_per_pixel < alignment*8 &&
- (bits_per_pixel & 7) == 0 &&
- _is_pot(bits_per_pixel)) {
- row_stride = _align(row_stride, alignment);
- }
-
- if (image_height <= 0) {
- image_height = height;
- }
-
- /* XXX: GL_UNPACK_IMAGE_HEIGHT and GL_UNPACK_SKIP_IMAGES should probably
- * not be considered for pixel rectangles. */
-
- size_t image_stride = image_height*row_stride;
-
- size_t size = depth*image_stride;
-
- size += (skip_pixels*bits_per_pixel + 7)/8;
- size += skip_rows*row_stride;
- size += skip_images*image_stride;
-
- return size;
-}
-
-// note that can_unpack_subimage() is generated by gltrace.py
-#define __glTexImage3D_size(format, type, width, height, depth) __gl_image_size(format, type, width, height, depth, can_unpack_subimage())
-#define __glTexImage2D_size(format, type, width, height) __gl_image_size(format, type, width, height, 1, can_unpack_subimage())
-#define __glTexImage1D_size(format, type, width) __gl_image_size(format, type, width, 1, 1, can_unpack_subimage())
-
-#define __glTexSubImage3D_size(format, type, width, height, depth) __glTexImage3D_size(format, type, width, height, depth)
-#define __glTexSubImage2D_size(format, type, width, height) __glTexImage2D_size(format, type, width, height)
-#define __glTexSubImage1D_size(format, type, width) __glTexImage1D_size(format, type, width)
-
-#define __glTexImage3DEXT_size __glTexImage3D_size
-#define __glTexImage2DEXT_size __glTexImage2D_size
-#define __glTexImage1DEXT_size __glTexImage1D_size
-#define __glTexSubImage3DEXT_size __glTexSubImage3D_size
-#define __glTexSubImage2DEXT_size __glTexSubImage2D_size
-#define __glTexSubImage1DEXT_size __glTexSubImage1D_size
-
-#define __glTextureImage3DEXT_size __glTexImage3D_size
-#define __glTextureImage2DEXT_size __glTexImage2D_size
-#define __glTextureImage1DEXT_size __glTexImage1D_size
-#define __glTextureSubImage3DEXT_size __glTexSubImage3D_size
-#define __glTextureSubImage2DEXT_size __glTexSubImage2D_size
-#define __glTextureSubImage1DEXT_size __glTexSubImage1D_size
-
-#define __glMultiTexImage3DEXT_size __glTexImage3D_size
-#define __glMultiTexImage2DEXT_size __glTexImage2D_size
-#define __glMultiTexImage1DEXT_size __glTexImage1D_size
-#define __glMultiTexSubImage3DEXT_size __glTexSubImage3D_size
-#define __glMultiTexSubImage2DEXT_size __glTexSubImage2D_size
-#define __glMultiTexSubImage1DEXT_size __glTexSubImage1D_size
-
-#define __glDrawPixels_size(format, type, width, height) __glTexImage2D_size(format, type, width, height)
-#define __glConvolutionFilter1D_size(format, type, width) __glTexImage1D_size(format, type, width)
-#define __glConvolutionFilter2D_size(format, type, width, height) __glTexImage2D_size(format, type, width, height)
-#define __glColorTable_size(format, type, width) __glTexImage1D_size(format, type, width)
-#define __glColorSubTable_size(format, type, count) __glColorTable_size(format, type, count)
-
-#define __glBitmap_size(width, height) __glTexImage2D_size(GL_COLOR_INDEX, GL_BITMAP, width, height)
-#define __glPolygonStipple_size() __glBitmap_size(32, 32)
-
-static inline size_t
-__glClearBuffer_size(GLenum buffer)
-{
- switch (buffer) {
- case GL_COLOR:
- case GL_FRONT:
- case GL_BACK:
- case GL_LEFT:
- case GL_RIGHT:
- case GL_FRONT_AND_BACK:
- return 4;
- case GL_DEPTH:
- case GL_STENCIL:
- return 1;
- default:
- os::log("apitrace: warning: %s: unexpected buffer GLenum 0x%04X\n", __FUNCTION__, buffer);
- return 0;
- }
-}
-
-/*
- * attribute list, terminated by the given terminator.
- */
-template<class T>
-static inline size_t
-__AttribList_size(const T *pAttribList, const T terminator = static_cast<T>(0))
-{
- size_t size = 0;
-
- if (pAttribList) {
- do {
- ++size;
- } while (*pAttribList++ != terminator);
- }
-
- return size;
-}
-
-
-/*
- * (key, value) attribute list, terminated by the given terminator.
- */
-template<class T>
-static inline size_t
-__AttribPairList_size(const T *pAttribList, const T terminator = static_cast<T>(0))
-{
- size_t size = 0;
-
- if (pAttribList) {
- while (pAttribList[size] != terminator) {
- size += 2;
- }
- // terminator also counts
- ++size;
- }
-
- return size;
-}
-
-
-#endif /* _GL_SIZE_HPP_ */