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Add bindings for SDL_ClearError, SDL_GetError, SDL_LoadBMP, SDL_CreateTextureFromSurface and a partial binding for SDL_RendererCopy
author Michael Pavone <pavone@retrodev.com>
date Mon, 21 Jul 2014 12:51:38 -0700
parents 2b58eafa360b
children eb83863fd33e
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1 {
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2 _constant <- macro: :name cname {
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3 quote: (llMessage: name withVars: {
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4 uintret <- obj_uint32 ptr
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5 } andCode: {
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6 uintret <- make_object: (addr_of: obj_uint32_meta) NULL 0
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7 uintret num!: cname
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8 uintret
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9 })
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10 }
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11 _subsystems <- #{
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12 _constant: timer SDL_INIT_TIMER
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13 _constant: audio SDL_INIT_AUDIO
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14 _constant: video SDL_INIT_VIDEO
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15 _constant: joystick SDL_INIT_JOYSTICK
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16 _constant: haptic SDL_INIT_HAPTIC
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17 _constant: gameController SDL_INIT_GAMECONTROLLER
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18 _constant: events SDL_INIT_EVENTS
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19 _constant: everything SDL_INIT_EVERYTHING
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20 }
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21
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22 _windowOpts <- #{
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23 _constant: fullscreen SDL_WINDOW_FULLSCREEN
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24 _constant: fullscreenDesktop SDL_WINDOW_FULLSCREEN_DESKTOP
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25 _constant: opengl SDL_WINDOW_OPENGL
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26 _constant: hidden SDL_WINDOW_HIDDEN
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27 _constant: borderless SDL_WINDOW_BORDERLESS
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28 _constant: minimized SDL_WINDOW_MINIMIZED
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29 _constant: maximized SDL_WINDOW_MAXIMIZED
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30 _constant: inputGrabbed SDL_WINDOW_INPUT_GRABBED
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31 _constant: allowHighDPI SDL_WINDOW_ALLOW_HIGHDPI
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32 }
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33
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34 _renderOpts <- #{
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35 _constant: software SDL_RENDERER_SOFTWARE
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36 _constant: accelerated SDL_RENDERER_ACCELERATED
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37 _constant: presentVSYNC SDL_RENDERER_PRESENTVSYNC
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38 _constant: targetTexture SDL_RENDERER_TARGETTEXTURE
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39
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40 }
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41
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42 _helper <- #{
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43 llMessage: createWindow withVars: {
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44 title <- string ptr
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45 x <- obj_int32 ptr
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46 y <- obj_int32 ptr
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47 w <- obj_int32 ptr
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48 h <- obj_int32 ptr
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49 flags <- obj_uint32 ptr
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50 makeWindow <- lambda ptr
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51 windowOpaque <- cpointer ptr
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52 win <- object ptr
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53 } andCode: :title x y w h flags makeWindow {
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54 windowOpaque <- make_object: (addr_of: cpointer_meta) NULL 0
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55 windowOpaque val!: (SDL_CreateWindow: (title data) (x num) (y num) (w num) (h num) (flags num))
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56 if: (windowOpaque val) {
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57 win <- ccall: makeWindow 1 (windowOpaque castTo: (object ptr))
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58 mcall: value 2 option win
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59 } else: {
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60 mcall: none 1 option
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61 }
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62 }
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63
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64 llMessage: createRenderer withVars: {
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65 window <- cpointer ptr
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66 index <- obj_int32 ptr
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67 flags <- obj_uint32 ptr
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68 rendOpaque <- cpointer ptr
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69 rend <- object ptr
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70 makeRender <- lambda ptr
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71 } andCode: :window index flags makeRender {
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72 rendOpaque <- make_object: (addr_of: cpointer_meta) NULL 0
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73 rendOpaque val!: (SDL_CreateRenderer: (window val) (index num) (flags num))
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74 if: (rendOpaque val) {
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75 rend <- ccall: makeRender 1 (rendOpaque castTo: (object ptr))
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76 mcall: value 2 option rend
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77 } else: {
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78 mcall: none 1 option
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79 }
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80 }
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81
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82 llMessage: loadBMP withVars: {
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83 filename <- string ptr
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84 makeSurface <- lambda ptr
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85 surfOpaque <- cpointer ptr
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86 surf <- object ptr
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87 } andCode: :filename makeSurface{
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88 surfOpaque <- make_object: (addr_of: cpointer_meta) NULL 0
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89 surfOpaque val!: (SDL_LoadBMP: (filename data))
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90 if: (surfOpaque val) {
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91 surf <- ccall: makeSurface 1 (surfOpaque castTo: (object ptr))
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92 mcall: value 2 option surf
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93 } else: {
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94 mcall: none 1 option
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95 }
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96 }
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97
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98 llMessage: createTextureFromSurface withVars: {
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99 rendOpaque <- cpointer ptr
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100 surfOpaque <- cpointer ptr
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101 makeTexture <- lambda ptr
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102 texOpaque <- cpointer ptr
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103 tex <- object ptr
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104 } andCode: :rendOpaque surfOpaque makeTexture {
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105 texOpaque <- make_object: (addr_of: cpointer_meta) NULL 0
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106 texOpaque val!: (SDL_CreateTextureFromSurface: (rendOpaque val) (surfOpaque val))
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107 if: (texOpaque val) {
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108 tex <- ccall: makeTexture 1 (texOpaque castTo: (object ptr))
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109 mcall: value 2 option tex
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110 } else: {
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111 mcall: none 1 option
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112 }
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113 }
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114 }
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115
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116 _makeTexture <- :ptr {
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117 #{
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118 includeSystemHeader: "SDL.h"
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119 llProperty: texture withType: (SDL_Texture ptr)
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120 llMessage: opaque withVars: {
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121 ptr <- cpointer ptr
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122 } andCode: {
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123 ptr <- make_object: (addr_of: cpointer_meta) NULL 0
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124 ptr val!: texture
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125 ptr
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126 }
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127 llMessage: _ptr_init withVars: {
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128 ptr <- cpointer ptr
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129 } andCode: :ptr{
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130 texture <- ptr val
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131 self
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132 }
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133
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134 llMessage: copyTo withVars: {
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135 renderer <- object ptr
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136 rendOpaque <- cpointer ptr
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137 intret <- obj_int32 ptr
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138 } andCode: :renderer {
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139 rendOpaque <- (mcall: opaque 1 renderer) castTo: (cpointer ptr)
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140 intret <- make_object: (addr_of: obj_int32_meta) NULL 0
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141 intret num!: (SDL_RenderCopy: (rendOpaque val) texture NULL NULL)
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142 intret
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143 }
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144
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145 llMessage: destroy withVars: {} andCode: {
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146 SDL_DestroyTexture: texture
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147 true
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148 }
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149 } _ptr_init: ptr
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150 }
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151
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152 _makeSurface <- :ptr {
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153 #{
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154 includeSystemHeader: "SDL.h"
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155 llProperty: surface withType: (SDL_Surface ptr)
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156 llMessage: opaque withVars: {
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157 ptr <- cpointer ptr
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158 } andCode: {
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159 ptr <- make_object: (addr_of: cpointer_meta) NULL 0
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160 ptr val!: surface
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161 ptr
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162 }
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163 llMessage: _ptr_init withVars: {
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164 ptr <- cpointer ptr
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165 } andCode: :ptr{
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166 surface <- ptr val
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167 self
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168 }
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169
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170 asTexture <- :renderer {
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171 _helper createTextureFromSurface: (renderer opaque) opaque _makeTexture
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172 }
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173
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174 llMessage: free withVars: {} andCode: {
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175 SDL_FreeSurface: surface
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176 true
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177 }
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178 } _ptr_init: ptr
274
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179 }
277
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180
274
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181 #{
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182 includeSystemHeader: "SDL.h"
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183 includeSystemHeader: "stdlib.h"
277
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184
274
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185 llMessage: init withVars: {
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186 flags <- obj_uint32 ptr
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187 intret <- obj_int32 ptr
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188 } andCode: :flags {
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189 intret <- make_object: (addr_of: obj_int32_meta) NULL 0
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190 intret num!: (SDL_Init: (flags num))
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191 if: (intret num) {
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192 atexit: SDL_Quit
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193 }
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194 intret
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195 }
277
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196
274
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197 llMessage: initSubSystem withVars: {
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198 flags <- obj_uint32 ptr
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199 intret <- obj_int32 ptr
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200 } andCode: :flags {
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201 intret <- make_object: (addr_of: obj_int32_meta) NULL 0
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202 intret num!: (SDL_InitSubSystem: (flags num))
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203 intret
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204 }
277
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205
274
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206 llMessage: quitSubSystem withVars: {
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207 flags <- obj_uint32 ptr
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208 } andCode: :flags {
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209 SDL_QuitSubSystem: (flags num)
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210 true
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211 }
277
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212
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213 r:g:b:a <- :rc :gc :bc :ac {
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214 #{
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215 r <- rc
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216 g <- gc
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217 b <- bc
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218 a <- ac
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219 }
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220 }
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221
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222 r:g:b <- :r :g :b {
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223 r: r g: g b: b a: 255u8
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224 }
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225
274
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226 createWindow:pos:size:flags <- :title :x y :w h :flags{
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227 _helper createWindow: title x y w h flags :ptr {
277
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228 print: (string: ptr) . "\n"
274
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229 #{
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230 includeSystemHeader: "SDL.h"
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231 llProperty: window withType: (SDL_Window ptr)
277
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232 llMessage: opaque withVars: {
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233 op <- cpointer ptr
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234 } andCode: {
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235 op <- make_object: (addr_of: cpointer_meta) NULL 0
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236 op val!: window
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237 op
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238 }
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239
274
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240 llMessage: _ptr_init withVars: {
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241 ptr <- cpointer ptr
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242 } andCode: :ptr {
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243 window <- ptr val
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244 self
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245 }
277
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246
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247 renderOpts <- { _renderOpts }
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248
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249 createRenderer:flags <- :index :flags {
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250 _helper createRenderer: (self opaque) index flags :ptr {
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251 #{
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252 includeSystemHeader: "SDL.h"
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253 llProperty: renderer withType: (SDL_Renderer ptr)
278
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254 llMessage: opaque withVars: {
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255 op <- cpointer ptr
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256 } andCode: {
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257 op <- make_object: (addr_of: cpointer_meta) NULL 0
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258 op val!: renderer
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259 op
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260 }
277
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261 llMessage: _ptr_init withVars: {
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262 ptr <- cpointer ptr
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263 } andCode: :ptr {
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264 renderer <- ptr val
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265 self
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266 }
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267
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268 llMessage: drawColor! withVars: {
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269 color <- object ptr
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270 rc <- obj_uint8 ptr
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271 gc <- obj_uint8 ptr
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272 bc <- obj_uint8 ptr
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273 ac <- obj_uint8 ptr
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274 intret <- obj_int32 ptr
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275 } andCode: :color {
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276 intret <- make_object: (addr_of: obj_int32_meta) NULL 0
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277 rc <- (mcall: r 1 color) castTo: (obj_uint8 ptr)
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278 gc <- (mcall: g 1 color) castTo: (obj_uint8 ptr)
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279 bc <- (mcall: b 1 color) castTo: (obj_uint8 ptr)
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280 ac <- (mcall: a 1 color) castTo: (obj_uint8 ptr)
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281 intret num!: (SDL_SetRenderDrawColor: renderer (rc num) (gc num) (bc num) (ac num))
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282 intret
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283 }
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284
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285 llMessage: clear withVars: {
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286 intret <- obj_int32 ptr
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287 } andCode: {
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288 intret <- make_object: (addr_of: obj_int32_meta) NULL 0
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289 intret num!: (SDL_RenderClear: renderer)
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290 intret
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291 }
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292
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293 llMessage: present withVars: {} andCode: {
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294 SDL_RenderPresent: renderer
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295 true
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296 }
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297
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298 llMessage: destroy withVars: {} andCode: {
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299 SDL_DestroyRenderer: renderer
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300 true
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301 }
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302 } _ptr_init: ptr
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303 }
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304 }
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305
274
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306 llMessage: destroy withVars: {
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307 } andCode: {
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308 SDL_DestroyWindow: window
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309 true
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310 }
277
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311 } _ptr_init: ptr
274
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312 }
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313 }
277
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314
278
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315 loadBMP <- :filename {
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316 _helper loadBMP: filename _makeSurface
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317 }
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318
274
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319 llMessage: delay withVars: {
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320 ms <- obj_uint32 ptr
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321 } andCode: :ms {
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322 SDL_Delay: (ms num)
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323 true
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324 }
277
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diff changeset
325
278
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326 llMessage: clearError withVars: {} andCode: {
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327 SDL_ClearError:
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328 true
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329 }
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330
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331 llMessage: getError withVars: {
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332 str <- string ptr
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333 rawstr <- char ptr
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334 } andCode: {
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335 rawstr <- SDL_GetError:
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336 str <- make_object: (addr_of: string_meta) NULL 0
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337 str bytes!: (strlen: rawstr)
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338 str len!: (str bytes)
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339 str data!: (GC_MALLOC: (str bytes) + 1)
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340 memcpy: (str data) rawstr (str bytes) + 1
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diff changeset
341 str
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342 }
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diff changeset
343
274
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344 subsystems <- { _subsystems }
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345 windowOpts <- { _windowOpts }
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346 }
277
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347 }