Mercurial > MadButterfly

annotate src/graph_engine_openvg.c @ 595:aaaaa03af04d openvg

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Set VGPaint for canvas
author Thinker K.F. Li <thinker@branda.to>
date Thu, 01 Jul 2010 14:24:02 +0800
parents ac942664fe86
children aaab76730beb
rev   line source
582
dd546c4da180 deal with EGL surface, context for OpenVG GE
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
1 #include "mb_graph_engine_openvg.h"
dd546c4da180 deal with EGL surface, context for OpenVG GE
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2
dd546c4da180 deal with EGL surface, context for OpenVG GE
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3 EGLNativeDisplayType _ge_openvg_disp_id = EGL_DEFAULT_DISPLAY;
584
543a2a8523fb Make surce current VG context
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4 mbe_t *_ge_openvg_current_canvas = NULL;
588
e9923024f65e Implement mbe_scissoring() for OpenVG
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5
589
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
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6 #ifndef ASSERT
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7 #define ASSERT(x)
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8 #endif
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9
588
e9923024f65e Implement mbe_scissoring() for OpenVG
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10 void
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11 mbe_scissoring(mbe_t *canvas, int n_areas, area_t **areas) {
595
aaaaa03af04d Set VGPaint for canvas
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12 static VGint *scissors = NULL;
aaaaa03af04d Set VGPaint for canvas
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13 static int n_scissors = 0;
588
e9923024f65e Implement mbe_scissoring() for OpenVG
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14 VGint *coord;
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15 area_t *area;
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16 int i;
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17
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18 _MK_CURRENT_CTX(canvas);
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19
595
aaaaa03af04d Set VGPaint for canvas
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20 if(n_areas > n_scissors) {
aaaaa03af04d Set VGPaint for canvas
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21 if(scissors) free(scissors);
aaaaa03af04d Set VGPaint for canvas
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22 n_scissors = (n_areas + 0xf) & 0xf;
aaaaa03af04d Set VGPaint for canvas
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23 scissors = (VGint *)malloc(sizeof(VGint) * n_scissors * 4);
aaaaa03af04d Set VGPaint for canvas
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24 ASSERT(scissors != NULL);
588
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25 }
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26
595
aaaaa03af04d Set VGPaint for canvas
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27 coord = scissors;
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28 for(i = 0; i < n_areas; i++) {
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29 area = areas[i];
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30 *coord++ = area->x;
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31 *coord++ = area->y;
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32 *coord++ = area->w;
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33 *coord++ = area->h;
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34 }
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35
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aaaaa03af04d Set VGPaint for canvas
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36 vgSetiv(VG_SCISSOR_RECTS, n_areas * 4, scissors);
588
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37 }
589
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
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38
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39 static int
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40 _openvg_find_config(mb_img_fmt_t fmt, int w, int h,
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41 EGLConfig *config) {
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42 EGLDisplay display;
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43 EGLint attrib_list[16];
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44 EGLConfig configs[1];
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45 EGLint nconfigs;
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46 int i = 0;
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47 EGLBoolean r;
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48
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49 switch(fmt) {
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50 case MB_IFMT_ARGB32:
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51 attrib_list[i++] = EGL_RED_SIZE;
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52 attrib_list[i++] = 8;
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53 attrib_list[i++] = EGL_GREEN_SIZE;
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54 attrib_list[i++] = 8;
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55 attrib_list[i++] = EGL_BLUE_SIZE;
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56 attrib_list[i++] = 8;
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57 attrib_list[i++] = EGL_ALPHA_SIZE;
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58 attrib_list[i++] = 8;
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59 break;
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60
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61 case MB_IFMT_RGB24:
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62 attrib_list[i++] = EGL_RED_SIZE;
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63 attrib_list[i++] = 8;
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64 attrib_list[i++] = EGL_GREEN_SIZE;
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65 attrib_list[i++] = 8;
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66 attrib_list[i++] = EGL_BLUE_SIZE;
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67 attrib_list[i++] = 8;
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68 break;
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69
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70 case MB_IFMT_A8:
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71 attrib_list[i++] = EGL_ALPHA_SIZE;
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72 attrib_list[i++] = 8;
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73 break;
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74
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75 case MB_IFMT_A1:
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76 attrib_list[i++] = EGL_ALPHA_SIZE;
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77 attrib_list[i++] = 1;
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78 break;
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79
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80 case MB_IFMT_RGB16_565:
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81 attrib_list[i++] = EGL_RED_SIZE;
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82 attrib_list[i++] = 5;
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83 attrib_list[i++] = EGL_GREEN_SIZE;
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84 attrib_list[i++] = 6;
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85 attrib_list[i++] = EGL_BLUE_SIZE;
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86 attrib_list[i++] = 5;
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87 break;
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88
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89 default:
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90 return -1;
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91 }
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92
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93 attrib_list[i++] = EGL_SURFACE_TYPE;
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94 attrib_list[i++] = EGL_PBUFFER_BIT;
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95 #if 0
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96 attrib_list[i++] = EGL_MAX_PBUFFER_WIDTH;
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97 attrib_list[i++] = w;
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98 attrib_list[i++] = EGL_MAX_PBUFFER_HEIGHT;
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99 attrib_list[i++] = h;
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100 #endif
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101
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102 attrib_list[i++] = EGL_NONE;
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103
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104 display = _VG_DISPLAY();
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105 r = eglChooseConfig(display, attrib_list, configs, 1, &nconfigs);
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106 if(!r)
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107 return -1;
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108
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109 *config = configs[0];
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110
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111 return 0;
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112 }
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113
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114 #ifdef EGL_GLX
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115 #include <X11/Xlib.h>
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116 #include <X11/Xutil.h>
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117
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118 static int
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119 _get_img_fmt_from_xvisual(Display *display, Visual *visual) {
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120 VisualID visual_id;
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121 XVisualInfo temp;
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122 XVisualInfo *infos;
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123 int n;
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124 int fmt = -1;
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125
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126 visual_id = XVisualIDFromVisual(visual);
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127 temp.visualid = visual_id;
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128 infos = XGetVisualInfo(display, VisualIDMask, &temp, &n);
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129 if(n != 1)
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130 return -1;
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diff changeset
131
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132 switch(infos->depth) {
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133 case 32:
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134 fmt = MB_IFMT_ARGB32;
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135 break;
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diff changeset
136
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diff changeset
137 case 24:
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138 fmt = MB_IFMT_RGB24;
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139 break;
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140
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diff changeset
141 case 16:
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142 fmt = MB_IFMT_RGB16_565;
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143 break;
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diff changeset
144
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145 case 8:
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146 fmt = MB_IFMT_A8;
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147 break;
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148
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diff changeset
149 case 1:
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150 fmt = MB_IFMT_A1;
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151 break;
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152 }
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153
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154 return fmt;
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155 }
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156
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157 /*! \brief Create an EGL window surface for X11.
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158 *
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159 * This function is compiled only for GLX enabled.
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160 */
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161 mbe_surface_t *
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162 mbe_vg_win_surface_create(Display *display, Drawable drawable,
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163 Visual *visual, int width, int height) {
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diff changeset
164 EGLDisplay egl_disp;
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165 EGLSurface egl_surface;
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166 mbe_surface_t *surface;
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167 EGLConfig config;
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168 EGLint attrib_list[2] = {EGL_NONE};
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169 int fmt;
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170 int r;
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171
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172 fmt = _get_img_fmt_from_xvisual(display, visual);
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diff changeset
173 if(fmt == -1)
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174 return NULL;
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diff changeset
175
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176 r = _openvg_find_config(fmt, width, height, &config);
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177 if(r != 0)
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178 return NULL;
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179
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180 egl_disp = eglGetDisplay(display);
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181 if(egl_disp == EGL_NO_DISPLAY || egl_disp != _VG_DISPLAY())
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182 return NULL;
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diff changeset
183
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184 egl_surface = eglCreateWindowSurface(egl_disp, config, drawable,
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185 attrib_list);
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diff changeset
186
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187 surface = (mbe_surface_t *)malloc(sizeof(mbe_surface_t));
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188 if(surface == NULL) {
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189 eglDestroySurface(egl_disp, egl_surface);
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190 return NULL;
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diff changeset
191 }
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192
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193 surface->surface = egl_surface;
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diff changeset
194
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195 return surface;
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196 }
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197
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198 #endif
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199
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diff changeset
200 mbe_surface_t *
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diff changeset
201 mbe_image_surface_create(mb_img_fmt_t fmt, int w, int h) {
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diff changeset
202 EGLSurface surface;
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diff changeset
203 EGLDisplay display;
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204 EGLConfig config;
592
de9d210e9c38 Specify width and height while create an image surface
Thinker K.F. Li <thinker@branda.to>
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diff changeset
205 EGLint attrib_list[5];
589
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
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diff changeset
206 mbe_surface_t *mbe_surface;
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diff changeset
207 int r;
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diff changeset
208
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diff changeset
209
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
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210 r = _openvg_find_config(fmt, w, h, &config);
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
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diff changeset
211 if(r != 0)
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diff changeset
212 return NULL;
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diff changeset
213
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diff changeset
214 display = _VG_DISPLAY();
592
de9d210e9c38 Specify width and height while create an image surface
Thinker K.F. Li <thinker@branda.to>
parents: 591
diff changeset
215 attrib_list[0] = EGL_WIDTH;
de9d210e9c38 Specify width and height while create an image surface
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diff changeset
216 attrib_list[1] = w;
de9d210e9c38 Specify width and height while create an image surface
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parents: 591
diff changeset
217 attrib_list[2] = EGL_HEIGHT;
de9d210e9c38 Specify width and height while create an image surface
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diff changeset
218 attrib_list[3] = h;
de9d210e9c38 Specify width and height while create an image surface
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diff changeset
219 attrib_list[4] = EGL_NONE;
589
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
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diff changeset
220 /* Some implementation does not support pbuffer.
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diff changeset
221 * We need use some other surface to replace this one.
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diff changeset
222 */
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diff changeset
223 surface = eglCreatePbufferSurface(display, config, attrib_list);
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diff changeset
224 if(surface == EGL_NO_SURFACE)
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diff changeset
225 return NULL;
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diff changeset
226
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diff changeset
227 mbe_surface = (mbe_surface_t *)malloc(sizeof(mbe_surface_t));
590
b714f0c9992e include a VGPath in VG canvas
Thinker K.F. Li <thinker@branda.to>
parents: 589
diff changeset
228 if(mbe_surface == NULL) {
591
71df2896877c build graph_engine_openvg.c in makefile
Thinker K.F. Li <thinker@branda.to>
parents: 590
diff changeset
229 eglDestroySurface(display, surface);
589
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diff changeset
230 return NULL;
590
b714f0c9992e include a VGPath in VG canvas
Thinker K.F. Li <thinker@branda.to>
parents: 589
diff changeset
231 }
589
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
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diff changeset
232 mbe_surface->surface = surface;
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diff changeset
233 mbe_surface->asso_mbe = NULL;
592
de9d210e9c38 Specify width and height while create an image surface
Thinker K.F. Li <thinker@branda.to>
parents: 591
diff changeset
234 mbe_surface->w = w;
de9d210e9c38 Specify width and height while create an image surface
Thinker K.F. Li <thinker@branda.to>
parents: 591
diff changeset
235 mbe_surface->h = h;
589
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
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diff changeset
236
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
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diff changeset
237 return mbe_surface;
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diff changeset
238 }
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
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diff changeset
239
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
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diff changeset
240 mbe_t *
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diff changeset
241 mbe_create(mbe_surface_t *surface) {
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diff changeset
242 EGLDisplay display;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
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diff changeset
243 EGLConfig config;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
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diff changeset
244 EGLContext ctx, shared;
590
b714f0c9992e include a VGPath in VG canvas
Thinker K.F. Li <thinker@branda.to>
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diff changeset
245 VGPath path;
589
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
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diff changeset
246 EGLint attrib_list[2] = {EGL_NONE};
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
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diff changeset
247 mbe_t *canvas;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
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diff changeset
248
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
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diff changeset
249 display = _VG_DISPLAY();
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diff changeset
250 ctx = eglCreateContext(display, config, shared, attrib_list);
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
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diff changeset
251 if(ctx == EGL_NO_CONTEXT)
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252 return NULL;
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253
590
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254 path = vgCreatePath(VG_PATH_FORMAT_STANDARD, VG_PATH_DATATYPE_F,
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255 1, 0, 0, 0, VG_PATH_CAPABILITY_ALL);
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256 if(path == VG_INVALID_HANDLE) {
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257 eglDestroyContext(display, ctx);
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258 return NULL;
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259 }
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260
589
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261 canvas = (mbe_t *)malloc(sizeof(mbe_t));
590
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262 if(canvas == NULL) {
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263 eglDestroyContext(display, ctx);
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264 vgDestroyPath(path);
589
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265 return NULL;
590
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266 }
589
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267
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268 canvas->src = NULL;
595
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269 canvas->paint = VG_INVALID_HANDLE;
589
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270 canvas->tgt = surface;
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271 canvas->ctx = ctx;
590
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272 canvas->path = path;
589
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273
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274 return canvas;
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275 }
590
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276
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277 void
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278 mbe_destroy(mbe_t *canvas) {
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279 EGLDisplay display;
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280
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281 display = _VG_DISPLAY();
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282
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283 vgDestroyPath(canvas->path);
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diff changeset
284 eglDestroyContext(display, canvas->ctx);
591
71df2896877c build graph_engine_openvg.c in makefile
Thinker K.F. Li <thinker@branda.to>
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diff changeset
285 canvas->tgt->asso_mbe = NULL; /* remove association */
71df2896877c build graph_engine_openvg.c in makefile
Thinker K.F. Li <thinker@branda.to>
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diff changeset
286 free(canvas);
590
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287 }
593
ac942664fe86 stroke and fill for VG
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diff changeset
288
595
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diff changeset
289 void
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290 mbe_paint(mbe_t *canvas) {
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291
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292 }
aaaaa03af04d Set VGPaint for canvas
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parents: 593
diff changeset
293