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73<div class="header">
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75<div class="title">SDL_gpu_OpenGL_3.h</div> </div>
76</div><!--header-->
77<div class="contents">
78<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="preprocessor">#ifndef _SDL_GPU_OPENGL_3_H__</span></div>
79<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="preprocessor"></span><span class="preprocessor">#define _SDL_GPU_OPENGL_3_H__</span></div>
80<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="preprocessor"></span></div>
81<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="preprocessor">#include "SDL_gpu.h"</span></div>
82<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> </div>
83<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="preprocessor">#if !defined(SDL_GPU_DISABLE_OPENGL) && !defined(SDL_GPU_DISABLE_OPENGL_3)</span></div>
84<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor"></span></div>
85<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>  <span class="comment">// Hacks to fix compile errors due to polluted namespace</span></div>
86<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor"> #ifdef _WIN32</span></div>
87<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor"></span><span class="preprocessor"> #define _WINUSER_H</span></div>
88<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor"></span><span class="preprocessor"> #define _WINGDI_H</span></div>
89<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor"></span><span class="preprocessor"> #endif</span></div>
90<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor"></span> </div>
91<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor"> #include "glew.h"</span></div>
92<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>  </div>
93<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor"> #if defined(GL_EXT_bgr) && !defined(GL_BGR)</span></div>
94<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor"></span><span class="preprocessor"> #define GL_BGR GL_BGR_EXT</span></div>
95<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor"></span><span class="preprocessor"> #endif</span></div>
96<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor"></span><span class="preprocessor"> #if defined(GL_EXT_bgra) && !defined(GL_BGRA)</span></div>
97<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor"></span><span class="preprocessor"> #define GL_BGRA GL_BGRA_EXT</span></div>
98<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor"></span><span class="preprocessor"> #endif</span></div>
99<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor"></span><span class="preprocessor"> #if defined(GL_EXT_abgr) && !defined(GL_ABGR)</span></div>
100<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor"></span><span class="preprocessor"> #define GL_ABGR GL_ABGR_EXT</span></div>
101<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor"></span><span class="preprocessor"> #endif</span></div>
102<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
103<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor"></span></div>
104<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div>
105<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#define GPU_CONTEXT_DATA ContextData_OpenGL_3</span></div>
106<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor"></span><span class="preprocessor">#define GPU_IMAGE_DATA ImageData_OpenGL_3</span></div>
107<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor"></span><span class="preprocessor">#define GPU_TARGET_DATA TargetData_OpenGL_3</span></div>
108<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor"></span></div>
109<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div>
110<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#define GPU_DEFAULT_TEXTURED_VERTEX_SHADER_SOURCE \</span></div>
111<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">"#version 130\n\</span></div>
112<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">\</span></div>
113<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">in vec2 gpu_Vertex;\n\</span></div>
114<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">in vec2 gpu_TexCoord;\n\</span></div>
115<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">in vec4 gpu_Color;\n\</span></div>
116<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">uniform mat4 gpu_ModelViewProjectionMatrix;\n\</span></div>
117<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor">\</span></div>
118<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">out vec4 color;\n\</span></div>
119<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor">out vec2 texCoord;\n\</span></div>
120<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor">\</span></div>
121<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor">void main(void)\n\</span></div>
122<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor">{\n\</span></div>
123<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="preprocessor"> color = gpu_Color;\n\</span></div>
124<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor"> texCoord = vec2(gpu_TexCoord);\n\</span></div>
125<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="preprocessor"> gl_Position = gpu_ModelViewProjectionMatrix * vec4(gpu_Vertex, 0.0, 1.0);\n\</span></div>
126<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor">}"</span></div>
127<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor"></span></div>
128<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="comment">// Tier 3 uses shader attributes to send position, texcoord, and color data for each vertex.</span></div>
129<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="preprocessor">#define GPU_DEFAULT_UNTEXTURED_VERTEX_SHADER_SOURCE \</span></div>
130<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="preprocessor">"#version 130\n\</span></div>
131<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="preprocessor">\</span></div>
132<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="preprocessor">in vec2 gpu_Vertex;\n\</span></div>
133<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="preprocessor">in vec4 gpu_Color;\n\</span></div>
134<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor">uniform mat4 gpu_ModelViewProjectionMatrix;\n\</span></div>
135<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="preprocessor">\</span></div>
136<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor">out vec4 color;\n\</span></div>
137<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="preprocessor">\</span></div>
138<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="preprocessor">void main(void)\n\</span></div>
139<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="preprocessor">{\n\</span></div>
140<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="preprocessor"> color = gpu_Color;\n\</span></div>
141<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="preprocessor"> gl_Position = gpu_ModelViewProjectionMatrix * vec4(gpu_Vertex, 0.0, 1.0);\n\</span></div>
142<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="preprocessor">}"</span></div>
143<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="preprocessor"></span></div>
144<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> </div>
145<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="preprocessor">#define GPU_DEFAULT_TEXTURED_FRAGMENT_SHADER_SOURCE \</span></div>
146<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="preprocessor">"#version 130\n\</span></div>
147<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="preprocessor">\</span></div>
148<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="preprocessor">in vec4 color;\n\</span></div>
149<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="preprocessor">in vec2 texCoord;\n\</span></div>
150<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="preprocessor">\</span></div>
151<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="preprocessor">uniform sampler2D tex;\n\</span></div>
152<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="preprocessor">\</span></div>
153<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="preprocessor">void main(void)\n\</span></div>
154<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="preprocessor">{\n\</span></div>
155<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="preprocessor"> gl_FragColor = texture2D(tex, texCoord) * color;\n\</span></div>
156<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="preprocessor">}"</span></div>
157<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="preprocessor"></span></div>
158<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="preprocessor">#define GPU_DEFAULT_UNTEXTURED_FRAGMENT_SHADER_SOURCE \</span></div>
159<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="preprocessor">"#version 130\n\</span></div>
160<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="preprocessor">\</span></div>
161<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="preprocessor">in vec4 color;\n\</span></div>
162<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="preprocessor">\</span></div>
163<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="preprocessor">void main(void)\n\</span></div>
164<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="preprocessor">{\n\</span></div>
165<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="preprocessor"> gl_FragColor = color;\n\</span></div>
166<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="preprocessor">}"</span></div>
167<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="preprocessor"></span></div>
168<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> </div>
169<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </div>
170<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> </div>
171<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="comment">// OpenGL 3.2 and 3.3 need newer shaders in case a core profile is used</span></div>
172<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> </div>
173<div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="preprocessor">#define GPU_DEFAULT_TEXTURED_VERTEX_SHADER_SOURCE_CORE \</span></div>
174<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="preprocessor">"#version 150\n\</span></div>
175<div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="preprocessor">\</span></div>
176<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="preprocessor">in vec2 gpu_Vertex;\n\</span></div>
177<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> <span class="preprocessor">in vec2 gpu_TexCoord;\n\</span></div>
178<div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="preprocessor">in vec4 gpu_Color;\n\</span></div>
179<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="preprocessor">uniform mat4 gpu_ModelViewProjectionMatrix;\n\</span></div>
180<div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="preprocessor">\</span></div>
181<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="preprocessor">out vec4 color;\n\</span></div>
182<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="preprocessor">out vec2 texCoord;\n\</span></div>
183<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="preprocessor">\</span></div>
184<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <span class="preprocessor">void main(void)\n\</span></div>
185<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="preprocessor">{\n\</span></div>
186<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="preprocessor"> color = gpu_Color;\n\</span></div>
187<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="preprocessor"> texCoord = vec2(gpu_TexCoord);\n\</span></div>
188<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> <span class="preprocessor"> gl_Position = gpu_ModelViewProjectionMatrix * vec4(gpu_Vertex, 0.0, 1.0);\n\</span></div>
189<div class="line"><a name="l00112"></a><span class="lineno"> 112</span> <span class="preprocessor">}"</span></div>
190<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> <span class="preprocessor"></span></div>
191<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> <span class="preprocessor">#define GPU_DEFAULT_UNTEXTURED_VERTEX_SHADER_SOURCE_CORE \</span></div>
192<div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <span class="preprocessor">"#version 150\n\</span></div>
193<div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="preprocessor">\</span></div>
194<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="preprocessor">in vec2 gpu_Vertex;\n\</span></div>
195<div class="line"><a name="l00118"></a><span class="lineno"> 118</span> <span class="preprocessor">in vec4 gpu_Color;\n\</span></div>
196<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> <span class="preprocessor">uniform mat4 gpu_ModelViewProjectionMatrix;\n\</span></div>
197<div class="line"><a name="l00120"></a><span class="lineno"> 120</span> <span class="preprocessor">\</span></div>
198<div class="line"><a name="l00121"></a><span class="lineno"> 121</span> <span class="preprocessor">out vec4 color;\n\</span></div>
199<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> <span class="preprocessor">\</span></div>
200<div class="line"><a name="l00123"></a><span class="lineno"> 123</span> <span class="preprocessor">void main(void)\n\</span></div>
201<div class="line"><a name="l00124"></a><span class="lineno"> 124</span> <span class="preprocessor">{\n\</span></div>
202<div class="line"><a name="l00125"></a><span class="lineno"> 125</span> <span class="preprocessor"> color = gpu_Color;\n\</span></div>
203<div class="line"><a name="l00126"></a><span class="lineno"> 126</span> <span class="preprocessor"> gl_Position = gpu_ModelViewProjectionMatrix * vec4(gpu_Vertex, 0.0, 1.0);\n\</span></div>
204<div class="line"><a name="l00127"></a><span class="lineno"> 127</span> <span class="preprocessor">}"</span></div>
205<div class="line"><a name="l00128"></a><span class="lineno"> 128</span> <span class="preprocessor"></span></div>
206<div class="line"><a name="l00129"></a><span class="lineno"> 129</span> </div>
207<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> <span class="preprocessor">#define GPU_DEFAULT_TEXTURED_FRAGMENT_SHADER_SOURCE_CORE \</span></div>
208<div class="line"><a name="l00131"></a><span class="lineno"> 131</span> <span class="preprocessor">"#version 150\n\</span></div>
209<div class="line"><a name="l00132"></a><span class="lineno"> 132</span> <span class="preprocessor">\</span></div>
210<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> <span class="preprocessor">in vec4 color;\n\</span></div>
211<div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <span class="preprocessor">in vec2 texCoord;\n\</span></div>
212<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <span class="preprocessor">\</span></div>
213<div class="line"><a name="l00136"></a><span class="lineno"> 136</span> <span class="preprocessor">uniform sampler2D tex;\n\</span></div>
214<div class="line"><a name="l00137"></a><span class="lineno"> 137</span> <span class="preprocessor">\</span></div>
215<div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <span class="preprocessor">out vec4 fragColor;\n\</span></div>
216<div class="line"><a name="l00139"></a><span class="lineno"> 139</span> <span class="preprocessor">\</span></div>
217<div class="line"><a name="l00140"></a><span class="lineno"> 140</span> <span class="preprocessor">void main(void)\n\</span></div>
218<div class="line"><a name="l00141"></a><span class="lineno"> 141</span> <span class="preprocessor">{\n\</span></div>
219<div class="line"><a name="l00142"></a><span class="lineno"> 142</span> <span class="preprocessor"> fragColor = texture(tex, texCoord) * color;\n\</span></div>
220<div class="line"><a name="l00143"></a><span class="lineno"> 143</span> <span class="preprocessor">}"</span></div>
221<div class="line"><a name="l00144"></a><span class="lineno"> 144</span> <span class="preprocessor"></span></div>
222<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="preprocessor">#define GPU_DEFAULT_UNTEXTURED_FRAGMENT_SHADER_SOURCE_CORE \</span></div>
223<div class="line"><a name="l00146"></a><span class="lineno"> 146</span> <span class="preprocessor">"#version 150\n\</span></div>
224<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> <span class="preprocessor">\</span></div>
225<div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="preprocessor">in vec4 color;\n\</span></div>
226<div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="preprocessor">\</span></div>
227<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> <span class="preprocessor">out vec4 fragColor;\n\</span></div>
228<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> <span class="preprocessor">\</span></div>
229<div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="preprocessor">void main(void)\n\</span></div>
230<div class="line"><a name="l00153"></a><span class="lineno"> 153</span> <span class="preprocessor">{\n\</span></div>
231<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> <span class="preprocessor"> fragColor = color;\n\</span></div>
232<div class="line"><a name="l00155"></a><span class="lineno"> 155</span> <span class="preprocessor">}"</span></div>
233<div class="line"><a name="l00156"></a><span class="lineno"> 156</span> <span class="preprocessor"></span></div>
234<div class="line"><a name="l00157"></a><span class="lineno"> 157</span> </div>
235<div class="line"><a name="l00158"></a><span class="lineno"><a class="line" href="structContextData__OpenGL__3.html"> 158</a></span> <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="structContextData__OpenGL__3.html">ContextData_OpenGL_3</a></div>
236<div class="line"><a name="l00159"></a><span class="lineno"> 159</span> {</div>
237<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  SDL_Color last_color;</div>
238<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  GPU_bool last_use_texturing;</div>
239<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> last_shape;</div>
240<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  GPU_bool last_use_blending;</div>
241<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <a class="code" href="structGPU__BlendMode.html">GPU_BlendMode</a> last_blend_mode;</div>
242<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <a class="code" href="structGPU__Rect.html">GPU_Rect</a> last_viewport;</div>
243<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <a class="code" href="structGPU__Camera.html">GPU_Camera</a> last_camera;</div>
244<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  GPU_bool last_camera_inverted;</div>
245<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  </div>
246<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <a class="code" href="structGPU__Image.html">GPU_Image</a>* last_image;</div>
247<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <a class="code" href="structGPU__Target.html">GPU_Target</a>* last_target;</div>
248<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordtype">float</span>* blit_buffer; <span class="comment">// Holds sets of 4 vertices, each with interleaved position, tex coords, and colors (e.g. [x0, y0, z0, s0, t0, r0, g0, b0, a0, ...]).</span></div>
249<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> blit_buffer_num_vertices;</div>
250<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> blit_buffer_max_num_vertices;</div>
251<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span>* index_buffer; <span class="comment">// Indexes into the blit buffer so we can use 4 vertices for every 2 triangles (1 quad)</span></div>
252<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> index_buffer_num_vertices;</div>
253<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> index_buffer_max_num_vertices;</div>
254<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  </div>
255<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="comment">// Tier 3 rendering</span></div>
256<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> blit_VAO;</div>
257<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> blit_VBO[2]; <span class="comment">// For double-buffering</span></div>
258<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> blit_IBO;</div>
259<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  GPU_bool blit_VBO_flop;</div>
260<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  </div>
261<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <a class="code" href="structGPU__AttributeSource.html">GPU_AttributeSource</a> shader_attributes[16];</div>
262<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> attribute_VBO[16];</div>
263<div class="line"><a name="l00186"></a><span class="lineno"> 186</span> } <a class="code" href="structContextData__OpenGL__3.html">ContextData_OpenGL_3</a>;</div>
264<div class="line"><a name="l00187"></a><span class="lineno"> 187</span> </div>
265<div class="line"><a name="l00188"></a><span class="lineno"><a class="line" href="structImageData__OpenGL__3.html"> 188</a></span> <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="structImageData__OpenGL__3.html">ImageData_OpenGL_3</a></div>
266<div class="line"><a name="l00189"></a><span class="lineno"> 189</span> {</div>
267<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keywordtype">int</span> refcount;</div>
268<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  GPU_bool owns_handle;</div>
269<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  Uint32 handle;</div>
270<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  Uint32 format;</div>
271<div class="line"><a name="l00194"></a><span class="lineno"> 194</span> } <a class="code" href="structImageData__OpenGL__3.html">ImageData_OpenGL_3</a>;</div>
272<div class="line"><a name="l00195"></a><span class="lineno"> 195</span> </div>
273<div class="line"><a name="l00196"></a><span class="lineno"><a class="line" href="structTargetData__OpenGL__3.html"> 196</a></span> <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="structTargetData__OpenGL__3.html">TargetData_OpenGL_3</a></div>
274<div class="line"><a name="l00197"></a><span class="lineno"> 197</span> {</div>
275<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keywordtype">int</span> refcount;</div>
276<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  Uint32 handle;</div>
277<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  Uint32 format;</div>
278<div class="line"><a name="l00201"></a><span class="lineno"> 201</span> } <a class="code" href="structTargetData__OpenGL__3.html">TargetData_OpenGL_3</a>;</div>
279<div class="line"><a name="l00202"></a><span class="lineno"> 202</span> </div>
280<div class="line"><a name="l00203"></a><span class="lineno"> 203</span> </div>
281<div class="line"><a name="l00204"></a><span class="lineno"> 204</span> </div>
282<div class="line"><a name="l00205"></a><span class="lineno"> 205</span> <span class="preprocessor">#endif</span></div>
283<div class="ttc" id="structGPU__AttributeSource_html"><div class="ttname"><a href="structGPU__AttributeSource.html">GPU_AttributeSource</a></div><div class="ttdef"><b>Definition:</b> SDL_gpu.h:578</div></div>
284<div class="ttc" id="structGPU__Camera_html"><div class="ttname"><a href="structGPU__Camera.html">GPU_Camera</a></div><div class="ttdef"><b>Definition:</b> SDL_gpu.h:300</div></div>
285<div class="ttc" id="structImageData__OpenGL__3_html"><div class="ttname"><a href="structImageData__OpenGL__3.html">ImageData_OpenGL_3</a></div><div class="ttdef"><b>Definition:</b> SDL_gpu_OpenGL_3.h:188</div></div>
286<div class="ttc" id="structGPU__BlendMode_html"><div class="ttname"><a href="structGPU__BlendMode.html">GPU_BlendMode</a></div><div class="ttdef"><b>Definition:</b> SDL_gpu.h:159</div></div>
287<div class="ttc" id="structGPU__Target_html"><div class="ttname"><a href="structGPU__Target.html">GPU_Target</a></div><div class="ttdef"><b>Definition:</b> SDL_gpu.h:398</div></div>
288<div class="ttc" id="structGPU__Image_html"><div class="ttname"><a href="structGPU__Image.html">GPU_Image</a></div><div class="ttdef"><b>Definition:</b> SDL_gpu.h:263</div></div>
289<div class="ttc" id="structContextData__OpenGL__3_html"><div class="ttname"><a href="structContextData__OpenGL__3.html">ContextData_OpenGL_3</a></div><div class="ttdef"><b>Definition:</b> SDL_gpu_OpenGL_3.h:158</div></div>
290<div class="ttc" id="structTargetData__OpenGL__3_html"><div class="ttname"><a href="structTargetData__OpenGL__3.html">TargetData_OpenGL_3</a></div><div class="ttdef"><b>Definition:</b> SDL_gpu_OpenGL_3.h:196</div></div>
291<div class="ttc" id="structGPU__Rect_html"><div class="ttname"><a href="structGPU__Rect.html">GPU_Rect</a></div><div class="ttdef"><b>Definition:</b> SDL_gpu.h:89</div></div>
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