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1 #ifndef __RIDEFS_H |
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2 #define __RIDEFS_H |
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3 |
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4 /*------------------------------------------------------------------------ |
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5 * |
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6 * OpenVG 1.1 Reference Implementation |
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7 * ----------------------------------- |
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8 * |
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9 * Copyright (c) 2007 The Khronos Group Inc. |
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10 * Portions copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies). |
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11 * |
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12 * Permission is hereby granted, free of charge, to any person obtaining a |
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13 * copy of this software and /or associated documentation files |
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14 * (the "Materials "), to deal in the Materials without restriction, |
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15 * including without limitation the rights to use, copy, modify, merge, |
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16 * publish, distribute, sublicense, and/or sell copies of the Materials, |
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17 * and to permit persons to whom the Materials are furnished to do so, |
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18 * subject to the following conditions: |
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19 * |
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20 * The above copyright notice and this permission notice shall be included |
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21 * in all copies or substantial portions of the Materials. |
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22 * |
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23 * THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
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26 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, |
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27 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
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28 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE MATERIALS OR |
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29 * THE USE OR OTHER DEALINGS IN THE MATERIALS. |
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30 * |
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31 *//** |
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32 * \file |
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33 * \brief Platform- and compiler-dependent type and macro definitions. |
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34 * \note |
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35 *//*-------------------------------------------------------------------*/ |
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36 |
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37 #include <float.h> |
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38 #include <math.h> |
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39 #include <assert.h> |
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40 #include <new> //for bad_alloc |
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41 |
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42 #if defined(_WIN32) && defined(_DEBUG) |
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43 # define WIN32_LEAN_AND_MEAN |
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44 # include <windows.h> |
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45 #endif |
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46 |
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47 //make for-clause scope c++ standard compliant on msvc |
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48 #if defined (_MSC_VER) |
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49 # if !defined (for) |
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50 __forceinline bool getFalse (void) { return false; } |
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51 # define for if(getFalse()); else for |
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52 # endif // for |
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53 |
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54 #pragma warning(disable:4710) //disable function not inlined warning |
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55 #pragma warning(disable:4714) //disable function not __forceinlined warning |
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56 #endif // _MSC_VER |
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57 |
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58 namespace OpenVGRI |
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59 { |
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60 |
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61 //======================================================================= |
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62 |
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63 typedef long long RIint64; |
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64 typedef unsigned long long RIuint64; |
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65 typedef int RIint32; |
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66 typedef unsigned int RIuint32; |
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67 typedef short RIint16; |
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68 typedef unsigned short RIuint16; |
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69 typedef signed char RIint8; |
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70 typedef unsigned char RIuint8; |
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71 typedef float RIfloat32; |
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72 //TODO add compile-time assertions to guarantee the sizes |
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73 |
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74 #if defined (_MSC_VER) // MSVC WIN32 |
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75 # define RI_INLINE __forceinline |
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76 #elif defined __APPLE__ || defined (__GNUC__) || defined (__GCC32__) |
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77 # define RI_INLINE inline |
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78 #endif |
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79 |
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80 /*!< Unsigned int that can hold a pointer to any type */ |
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81 /*!< Signed int that can hold a pointer to any type */ |
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82 #if defined (_MSC_VER) && (_MSC_VER >= 1300) |
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83 typedef uintptr_t RIuintptr; |
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84 typedef intptr_t RIintptr; |
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85 #else |
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86 typedef unsigned long RIuintptr; |
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87 typedef signed long RIintptr; |
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88 #endif |
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89 |
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90 #define RI_UINT32_MAX (0xffffffffu) |
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91 #define RI_INT32_MAX (0x7fffffff) |
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92 #define RI_INT32_MIN (-0x7fffffff-1) |
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93 |
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94 /* maximum mantissa is 23 */ |
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95 #define RI_MANTISSA_BITS 23 |
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96 |
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97 /* maximum exponent is 8 */ |
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98 #define RI_EXPONENT_BITS 8 |
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99 |
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100 typedef union |
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101 { |
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102 RIfloat32 f; |
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103 RIuint32 i; |
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104 } RIfloatInt; |
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105 |
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106 RI_INLINE float getFloatMax() |
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107 { |
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108 RIfloatInt v; |
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109 v.i = (((1<<(RI_EXPONENT_BITS-1))-1+127) << 23) | (((1<<RI_MANTISSA_BITS)-1) << (23-RI_MANTISSA_BITS)); |
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110 return v.f; |
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111 } |
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112 #define RI_FLOAT_MAX getFloatMax() |
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113 |
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114 #define RI_MAX_IMAGE_WIDTH 16384 |
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115 #define RI_MAX_IMAGE_HEIGHT 16384 |
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116 #define RI_MAX_IMAGE_PIXELS (RI_MAX_IMAGE_WIDTH*RI_MAX_IMAGE_HEIGHT) |
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117 #define RI_MAX_IMAGE_BYTES (4*RI_MAX_IMAGE_WIDTH*RI_MAX_IMAGE_HEIGHT) |
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118 #define RI_MAX_DASH_COUNT 256 |
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119 #define RI_MAX_COLOR_RAMP_STOPS 256 |
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120 #define RI_MAX_KERNEL_SIZE 256 |
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121 #define RI_MAX_SEPARABLE_KERNEL_SIZE 256 |
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122 #define RI_MAX_GAUSSIAN_STD_DEVIATION 16.0f |
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123 #define RI_MAX_SCISSOR_RECTANGLES 256 |
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124 #define RI_MAX_EDGES 262144 |
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125 #define RI_MAX_SAMPLES 1 |
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126 //#define RI_NUM_TESSELLATED_SEGMENTS_QUAD 256 |
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127 //#define RI_NUM_TESSELLATED_SEGMENTS_CUBIC 256 |
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128 //#define RI_NUM_TESSELLATED_SEGMENTS_ARC 256 |
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129 #define RI_NUM_TESSELLATED_SEGMENTS_QUAD 8 |
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130 #define RI_NUM_TESSELLATED_SEGMENTS_CUBIC 8 |
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131 #define RI_NUM_TESSELLATED_SEGMENTS_ARC 8 |
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132 |
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133 #if !defined(_WIN32) && !defined(SF_PROFILE) |
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134 # ifndef NDEBUG |
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135 # define _DEBUG 1 |
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136 # endif |
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137 #endif |
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138 |
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139 #if _DEBUG |
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140 #define RI_DEBUG |
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141 #endif |
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142 |
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143 #ifdef RI_DEBUG |
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144 # define RI_ASSERT(X) assert(X) |
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145 #else |
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146 # define RI_ASSERT(X) (void(0)) |
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147 #endif |
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148 |
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149 #if defined(RI_DEBUG) |
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150 # define RI_PRINTF(...) printf(__VA_ARGS__) |
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151 #else |
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152 # define RI_PRINTF(...) |
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153 #endif |
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154 |
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155 #if defined(RI_DEBUG) |
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156 # if defined(_WIN32) |
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157 # define RI_TRACE(...) do { \ |
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158 char buf[512]; \ |
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159 snprintf(buf, sizeof(buf), __VA_ARGS__); \ |
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160 OutputDebugString(buf); \ |
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161 } while(false) |
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162 # else |
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163 # define RI_TRACE(...) printf(__VA_ARGS__) |
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164 # endif |
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165 #else |
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166 # define RI_TRACE(...) |
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167 #endif |
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168 |
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169 #define RI_UNREF(X) ((void)(X)) |
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170 #if defined(_WIN32) |
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171 # define RI_APIENTRY VG_API_ENTRY |
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172 #else |
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173 # define RI_APIENTRY |
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174 #endif |
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175 |
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176 #if defined(_WIN32) |
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177 # define snprintf sprintf_s |
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178 #endif |
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179 |
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180 #define RI_API_CALL VG_API_CALL |
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181 |
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182 #define RI_NEW(TYPE, PARAMS) (new TYPE PARAMS) |
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183 #define RI_NEW_ARRAY(TYPE, ITEMS) (new TYPE[ITEMS]) |
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184 #define RI_DELETE(PARAMS) (delete (PARAMS)) |
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185 #define RI_DELETE_ARRAY(PARAMS) (delete[] (PARAMS)) |
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186 |
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187 bool isValidImageFormat(int format); |
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188 |
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189 // \todo Move these to utility functions, etc. |
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190 RI_INLINE void RI_MEM_ZERO(void *dst, size_t n) |
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191 { |
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192 RI_ASSERT(n > 0); |
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193 RI_ASSERT((n & 0x3) == 0); |
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194 |
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195 RIuint32 *ptr = (RIuint32*)dst; |
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196 for(size_t i = 0; i < (n>>2); i++) |
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197 { |
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198 *ptr++ = 0; |
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199 } |
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200 } |
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201 |
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202 //======================================================================= |
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203 |
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204 } //namespace OpenVGRI |
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205 |
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206 #endif /* __RIDEFS_H */ |