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annotate src/graph_engine_openvg.c @ 598:aba62eb9362d openvg

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define color source for VG
author Thinker K.F. Li <thinker@branda.to>
date Thu, 01 Jul 2010 16:16:46 +0800
parents 3300992b29ff
children 20b396c09c23
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;
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543a2a8523fb Make surce current VG context
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4 mbe_t *_ge_openvg_current_canvas = NULL;
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5
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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
598
aba62eb9362d define color source for VG
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10 #define MB_2_VG_COLOR(r, g, b, a) ((((int)(0xf * r) & 0xf) << 24) | \
aba62eb9362d define color source for VG
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11 (((int)(0xf * g) & 0xf) << 16) | \
aba62eb9362d define color source for VG
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12 (((int)(0xf * b) & 0xf) << 16) | \
aba62eb9362d define color source for VG
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13 ((int)(0xf * a) & 0xf))
aba62eb9362d define color source for VG
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14
aba62eb9362d define color source for VG
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15 void mbe_set_source_rgba(mbe_t *canvas, co_comp_t r, co_comp_t g,
aba62eb9362d define color source for VG
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16 co_comp_t b, co_comp_t a) {
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17 VGPaint paint;
aba62eb9362d define color source for VG
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18 VGuint color;
aba62eb9362d define color source for VG
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19
aba62eb9362d define color source for VG
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20 if(paint != VG_INVALID_HANDLE && canvas->src == NULL)
aba62eb9362d define color source for VG
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21 paint = canvas->paint; /* previous one is also a color paint */
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22 else {
aba62eb9362d define color source for VG
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23 paint = vgCreatePaint();
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24 ASSERT(paint != VG_INVALID_HANDLE);
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25 canvas->paint = paint;
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26 canvas->src = NULL;
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27 }
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28
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29 color = MB_2_VG_COLOR(r, g, b, a);
aba62eb9362d define color source for VG
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30 vgSetColor(paint, color);
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31 canvas->paint_installed = 0;
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32 }
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33
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e9923024f65e Implement mbe_scissoring() for OpenVG
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34 void
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35 mbe_scissoring(mbe_t *canvas, int n_areas, area_t **areas) {
595
aaaaa03af04d Set VGPaint for canvas
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36 static VGint *scissors = NULL;
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37 static int n_scissors = 0;
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38 VGint *coord;
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39 area_t *area;
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40 int i;
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41
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42 _MK_CURRENT_CTX(canvas);
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43
595
aaaaa03af04d Set VGPaint for canvas
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44 if(n_areas > n_scissors) {
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45 if(scissors) free(scissors);
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46 n_scissors = (n_areas + 0xf) & 0xf;
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47 scissors = (VGint *)malloc(sizeof(VGint) * n_scissors * 4);
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48 ASSERT(scissors != NULL);
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49 }
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50
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aaaaa03af04d Set VGPaint for canvas
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51 coord = scissors;
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52 for(i = 0; i < n_areas; i++) {
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53 area = areas[i];
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54 *coord++ = area->x;
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55 *coord++ = area->y;
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56 *coord++ = area->w;
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57 *coord++ = area->h;
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58 }
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59
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60 vgSetiv(VG_SCISSOR_RECTS, n_areas * 4, scissors);
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61 }
589
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
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62
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63 static int
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64 _openvg_find_config(mb_img_fmt_t fmt, int w, int h,
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65 EGLConfig *config) {
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66 EGLDisplay display;
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67 EGLint attrib_list[16];
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68 EGLConfig configs[1];
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69 EGLint nconfigs;
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70 int i = 0;
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71 EGLBoolean r;
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72
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73 switch(fmt) {
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74 case MB_IFMT_ARGB32:
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75 attrib_list[i++] = EGL_RED_SIZE;
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76 attrib_list[i++] = 8;
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77 attrib_list[i++] = EGL_GREEN_SIZE;
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78 attrib_list[i++] = 8;
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79 attrib_list[i++] = EGL_BLUE_SIZE;
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80 attrib_list[i++] = 8;
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81 attrib_list[i++] = EGL_ALPHA_SIZE;
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82 attrib_list[i++] = 8;
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83 break;
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84
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85 case MB_IFMT_RGB24:
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86 attrib_list[i++] = EGL_RED_SIZE;
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87 attrib_list[i++] = 8;
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88 attrib_list[i++] = EGL_GREEN_SIZE;
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89 attrib_list[i++] = 8;
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90 attrib_list[i++] = EGL_BLUE_SIZE;
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91 attrib_list[i++] = 8;
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92 break;
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93
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94 case MB_IFMT_A8:
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95 attrib_list[i++] = EGL_ALPHA_SIZE;
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96 attrib_list[i++] = 8;
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97 break;
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98
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99 case MB_IFMT_A1:
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100 attrib_list[i++] = EGL_ALPHA_SIZE;
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101 attrib_list[i++] = 1;
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102 break;
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103
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104 case MB_IFMT_RGB16_565:
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105 attrib_list[i++] = EGL_RED_SIZE;
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106 attrib_list[i++] = 5;
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107 attrib_list[i++] = EGL_GREEN_SIZE;
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108 attrib_list[i++] = 6;
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109 attrib_list[i++] = EGL_BLUE_SIZE;
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110 attrib_list[i++] = 5;
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111 break;
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112
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113 default:
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114 return -1;
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115 }
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116
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117 attrib_list[i++] = EGL_SURFACE_TYPE;
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118 attrib_list[i++] = EGL_PBUFFER_BIT;
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119 #if 0
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120 attrib_list[i++] = EGL_MAX_PBUFFER_WIDTH;
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121 attrib_list[i++] = w;
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122 attrib_list[i++] = EGL_MAX_PBUFFER_HEIGHT;
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123 attrib_list[i++] = h;
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124 #endif
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125
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126 attrib_list[i++] = EGL_NONE;
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127
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diff changeset
128 display = _VG_DISPLAY();
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diff changeset
129 r = eglChooseConfig(display, attrib_list, configs, 1, &nconfigs);
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diff changeset
130 if(!r)
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diff changeset
131 return -1;
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diff changeset
132
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diff changeset
133 *config = configs[0];
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diff changeset
134
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diff changeset
135 return 0;
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diff changeset
136 }
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diff changeset
137
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diff changeset
138 #ifdef EGL_GLX
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139 #include <X11/Xlib.h>
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140 #include <X11/Xutil.h>
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diff changeset
141
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diff changeset
142 static int
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143 _get_img_fmt_from_xvisual(Display *display, Visual *visual) {
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diff changeset
144 VisualID visual_id;
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diff changeset
145 XVisualInfo temp;
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diff changeset
146 XVisualInfo *infos;
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diff changeset
147 int n;
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148 int fmt = -1;
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diff changeset
149
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150 visual_id = XVisualIDFromVisual(visual);
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151 temp.visualid = visual_id;
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152 infos = XGetVisualInfo(display, VisualIDMask, &temp, &n);
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153 if(n != 1)
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154 return -1;
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diff changeset
155
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156 switch(infos->depth) {
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157 case 32:
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158 fmt = MB_IFMT_ARGB32;
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159 break;
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diff changeset
160
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diff changeset
161 case 24:
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162 fmt = MB_IFMT_RGB24;
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163 break;
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diff changeset
164
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diff changeset
165 case 16:
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166 fmt = MB_IFMT_RGB16_565;
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167 break;
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diff changeset
168
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diff changeset
169 case 8:
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170 fmt = MB_IFMT_A8;
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diff changeset
171 break;
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diff changeset
172
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diff changeset
173 case 1:
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diff changeset
174 fmt = MB_IFMT_A1;
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diff changeset
175 break;
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diff changeset
176 }
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177
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178 return fmt;
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diff changeset
179 }
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180
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181 /*! \brief Create an EGL window surface for X11.
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182 *
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183 * This function is compiled only for GLX enabled.
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184 */
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185 mbe_surface_t *
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186 mbe_vg_win_surface_create(Display *display, Drawable drawable,
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187 Visual *visual, int width, int height) {
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diff changeset
188 EGLDisplay egl_disp;
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diff changeset
189 EGLSurface egl_surface;
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diff changeset
190 mbe_surface_t *surface;
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diff changeset
191 EGLConfig config;
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diff changeset
192 EGLint attrib_list[2] = {EGL_NONE};
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diff changeset
193 int fmt;
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diff changeset
194 int r;
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diff changeset
195
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196 fmt = _get_img_fmt_from_xvisual(display, visual);
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diff changeset
197 if(fmt == -1)
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diff changeset
198 return NULL;
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diff changeset
199
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200 r = _openvg_find_config(fmt, width, height, &config);
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diff changeset
201 if(r != 0)
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diff changeset
202 return NULL;
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diff changeset
203
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204 egl_disp = eglGetDisplay(display);
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diff changeset
205 if(egl_disp == EGL_NO_DISPLAY || egl_disp != _VG_DISPLAY())
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206 return NULL;
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diff changeset
207
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diff changeset
208 egl_surface = eglCreateWindowSurface(egl_disp, config, drawable,
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diff changeset
209 attrib_list);
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diff changeset
210
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211 surface = (mbe_surface_t *)malloc(sizeof(mbe_surface_t));
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diff changeset
212 if(surface == NULL) {
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diff changeset
213 eglDestroySurface(egl_disp, egl_surface);
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diff changeset
214 return NULL;
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diff changeset
215 }
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diff changeset
216
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diff changeset
217 surface->surface = egl_surface;
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diff changeset
218
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diff changeset
219 return surface;
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diff changeset
220 }
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diff changeset
221
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diff changeset
222 #endif
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diff changeset
223
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diff changeset
224 mbe_surface_t *
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diff changeset
225 mbe_image_surface_create(mb_img_fmt_t fmt, int w, int h) {
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diff changeset
226 EGLSurface surface;
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diff changeset
227 EGLDisplay display;
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diff changeset
228 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
229 EGLint attrib_list[5];
589
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
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diff changeset
230 mbe_surface_t *mbe_surface;
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diff changeset
231 int r;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
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diff changeset
232
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diff changeset
233
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
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diff changeset
234 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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parents: 588
diff changeset
235 if(r != 0)
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
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diff changeset
236 return NULL;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
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diff changeset
237
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
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diff changeset
238 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
239 attrib_list[0] = EGL_WIDTH;
de9d210e9c38 Specify width and height while create an image surface
Thinker K.F. Li <thinker@branda.to>
parents: 591
diff changeset
240 attrib_list[1] = w;
de9d210e9c38 Specify width and height while create an image surface
Thinker K.F. Li <thinker@branda.to>
parents: 591
diff changeset
241 attrib_list[2] = EGL_HEIGHT;
de9d210e9c38 Specify width and height while create an image surface
Thinker K.F. Li <thinker@branda.to>
parents: 591
diff changeset
242 attrib_list[3] = h;
de9d210e9c38 Specify width and height while create an image surface
Thinker K.F. Li <thinker@branda.to>
parents: 591
diff changeset
243 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
244 /* Some implementation does not support pbuffer.
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diff changeset
245 * We need use some other surface to replace this one.
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diff changeset
246 */
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diff changeset
247 surface = eglCreatePbufferSurface(display, config, attrib_list);
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
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diff changeset
248 if(surface == EGL_NO_SURFACE)
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diff changeset
249 return NULL;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
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diff changeset
250
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
251 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
252 if(mbe_surface == NULL) {
591
71df2896877c build graph_engine_openvg.c in makefile
Thinker K.F. Li <thinker@branda.to>
parents: 590
diff changeset
253 eglDestroySurface(display, surface);
589
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
254 return NULL;
590
b714f0c9992e include a VGPath in VG canvas
Thinker K.F. Li <thinker@branda.to>
parents: 589
diff changeset
255 }
589
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
256 mbe_surface->surface = surface;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
257 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
258 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
259 mbe_surface->h = h;
589
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
260
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
261 return mbe_surface;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
262 }
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
263
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
264 mbe_t *
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
265 mbe_create(mbe_surface_t *surface) {
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
266 EGLDisplay display;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
267 EGLConfig config;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
268 EGLContext ctx, shared;
590
b714f0c9992e include a VGPath in VG canvas
Thinker K.F. Li <thinker@branda.to>
parents: 589
diff changeset
269 VGPath path;
589
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
270 EGLint attrib_list[2] = {EGL_NONE};
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
271 mbe_t *canvas;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
272
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
273 display = _VG_DISPLAY();
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
274 ctx = eglCreateContext(display, config, shared, attrib_list);
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
275 if(ctx == EGL_NO_CONTEXT)
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
276 return NULL;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
277
590
b714f0c9992e include a VGPath in VG canvas
Thinker K.F. Li <thinker@branda.to>
parents: 589
diff changeset
278 path = vgCreatePath(VG_PATH_FORMAT_STANDARD, VG_PATH_DATATYPE_F,
b714f0c9992e include a VGPath in VG canvas
Thinker K.F. Li <thinker@branda.to>
parents: 589
diff changeset
279 1, 0, 0, 0, VG_PATH_CAPABILITY_ALL);
b714f0c9992e include a VGPath in VG canvas
Thinker K.F. Li <thinker@branda.to>
parents: 589
diff changeset
280 if(path == VG_INVALID_HANDLE) {
b714f0c9992e include a VGPath in VG canvas
Thinker K.F. Li <thinker@branda.to>
parents: 589
diff changeset
281 eglDestroyContext(display, ctx);
b714f0c9992e include a VGPath in VG canvas
Thinker K.F. Li <thinker@branda.to>
parents: 589
diff changeset
282 return NULL;
b714f0c9992e include a VGPath in VG canvas
Thinker K.F. Li <thinker@branda.to>
parents: 589
diff changeset
283 }
b714f0c9992e include a VGPath in VG canvas
Thinker K.F. Li <thinker@branda.to>
parents: 589
diff changeset
284
589
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
285 canvas = (mbe_t *)malloc(sizeof(mbe_t));
590
b714f0c9992e include a VGPath in VG canvas
Thinker K.F. Li <thinker@branda.to>
parents: 589
diff changeset
286 if(canvas == NULL) {
b714f0c9992e include a VGPath in VG canvas
Thinker K.F. Li <thinker@branda.to>
parents: 589
diff changeset
287 eglDestroyContext(display, ctx);
b714f0c9992e include a VGPath in VG canvas
Thinker K.F. Li <thinker@branda.to>
parents: 589
diff changeset
288 vgDestroyPath(path);
589
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
289 return NULL;
590
b714f0c9992e include a VGPath in VG canvas
Thinker K.F. Li <thinker@branda.to>
parents: 589
diff changeset
290 }
589
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
291
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
292 canvas->src = NULL;
595
aaaaa03af04d Set VGPaint for canvas
Thinker K.F. Li <thinker@branda.to>
parents: 593
diff changeset
293 canvas->paint = VG_INVALID_HANDLE;
597
3300992b29ff Define mbe_clear() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 596
diff changeset
294 canvas->paint_installed = 0;
589
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
295 canvas->tgt = surface;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
296 canvas->ctx = ctx;
590
b714f0c9992e include a VGPath in VG canvas
Thinker K.F. Li <thinker@branda.to>
parents: 589
diff changeset
297 canvas->path = path;
589
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
298
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
299 return canvas;
d733e198bb25 Move functions from mb_graph_engine_openvg.h to the C file
Thinker K.F. Li <thinker@branda.to>
parents: 588
diff changeset
300 }
590
b714f0c9992e include a VGPath in VG canvas
Thinker K.F. Li <thinker@branda.to>
parents: 589
diff changeset
301
b714f0c9992e include a VGPath in VG canvas
Thinker K.F. Li <thinker@branda.to>
parents: 589
diff changeset
302 void
b714f0c9992e include a VGPath in VG canvas
Thinker K.F. Li <thinker@branda.to>
parents: 589
diff changeset
303 mbe_destroy(mbe_t *canvas) {
b714f0c9992e include a VGPath in VG canvas
Thinker K.F. Li <thinker@branda.to>
parents: 589
diff changeset
304 EGLDisplay display;
b714f0c9992e include a VGPath in VG canvas
Thinker K.F. Li <thinker@branda.to>
parents: 589
diff changeset
305
b714f0c9992e include a VGPath in VG canvas
Thinker K.F. Li <thinker@branda.to>
parents: 589
diff changeset
306 display = _VG_DISPLAY();
b714f0c9992e include a VGPath in VG canvas
Thinker K.F. Li <thinker@branda.to>
parents: 589
diff changeset
307
b714f0c9992e include a VGPath in VG canvas
Thinker K.F. Li <thinker@branda.to>
parents: 589
diff changeset
308 vgDestroyPath(canvas->path);
b714f0c9992e include a VGPath in VG canvas
Thinker K.F. Li <thinker@branda.to>
parents: 589
diff changeset
309 eglDestroyContext(display, canvas->ctx);
591
71df2896877c build graph_engine_openvg.c in makefile
Thinker K.F. Li <thinker@branda.to>
parents: 590
diff changeset
310 canvas->tgt->asso_mbe = NULL; /* remove association */
71df2896877c build graph_engine_openvg.c in makefile
Thinker K.F. Li <thinker@branda.to>
parents: 590
diff changeset
311 free(canvas);
590
b714f0c9992e include a VGPath in VG canvas
Thinker K.F. Li <thinker@branda.to>
parents: 589
diff changeset
312 }
593
ac942664fe86 stroke and fill for VG
Thinker K.F. Li <thinker@branda.to>
parents: 592
diff changeset
313
595
aaaaa03af04d Set VGPaint for canvas
Thinker K.F. Li <thinker@branda.to>
parents: 593
diff changeset
314 void
aaaaa03af04d Set VGPaint for canvas
Thinker K.F. Li <thinker@branda.to>
parents: 593
diff changeset
315 mbe_paint(mbe_t *canvas) {
596
aaab76730beb Define mbe_paint() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 595
diff changeset
316 EGLDisplay display;
aaab76730beb Define mbe_paint() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 595
diff changeset
317 EGLint w, h;
aaab76730beb Define mbe_paint() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 595
diff changeset
318 EGLBoolean r;
aaab76730beb Define mbe_paint() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 595
diff changeset
319 VGPath path;
595
aaaaa03af04d Set VGPaint for canvas
Thinker K.F. Li <thinker@branda.to>
parents: 593
diff changeset
320
596
aaab76730beb Define mbe_paint() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 595
diff changeset
321 _MK_CURRENT_CTX(canvas);
aaab76730beb Define mbe_paint() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 595
diff changeset
322 _MK_CURRENT_PAINT(canvas);
aaab76730beb Define mbe_paint() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 595
diff changeset
323
aaab76730beb Define mbe_paint() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 595
diff changeset
324 display = _VG_DISPLAY();
aaab76730beb Define mbe_paint() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 595
diff changeset
325
aaab76730beb Define mbe_paint() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 595
diff changeset
326 r = eglQuerySurface(display, canvas->tgt, EGL_WIDTH, &w);
aaab76730beb Define mbe_paint() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 595
diff changeset
327 ASSERT(r == EGL_TRUE);
aaab76730beb Define mbe_paint() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 595
diff changeset
328 r = eglQuerySurface(display, canvas->tgt, EGL_HEIGHT, &h);
aaab76730beb Define mbe_paint() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 595
diff changeset
329 ASSERT(r == EGL_TRUE);
aaab76730beb Define mbe_paint() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 595
diff changeset
330
aaab76730beb Define mbe_paint() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 595
diff changeset
331 vgSeti(VG_SCISSORING, VG_FALSE);
aaab76730beb Define mbe_paint() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 595
diff changeset
332
aaab76730beb Define mbe_paint() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 595
diff changeset
333 path = vgCreatePath(VG_PATH_FORMAT_STANDARD, VG_PATH_DATATYPE_F,
aaab76730beb Define mbe_paint() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 595
diff changeset
334 1, 0, 0, 0, VG_PATH_CAPABILITY_ALL);
aaab76730beb Define mbe_paint() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 595
diff changeset
335 vguRect(path, 0, 0, w, h);
aaab76730beb Define mbe_paint() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 595
diff changeset
336 vgDrawPath(path, VG_FILL_PATH);
aaab76730beb Define mbe_paint() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 595
diff changeset
337 vgDestroyPath(path);
aaab76730beb Define mbe_paint() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 595
diff changeset
338
aaab76730beb Define mbe_paint() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 595
diff changeset
339 vgSeti(VG_SCISSORING, VG_TRUE);
595
aaaaa03af04d Set VGPaint for canvas
Thinker K.F. Li <thinker@branda.to>
parents: 593
diff changeset
340 }
aaaaa03af04d Set VGPaint for canvas
Thinker K.F. Li <thinker@branda.to>
parents: 593
diff changeset
341
597
3300992b29ff Define mbe_clear() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 596
diff changeset
342 void
3300992b29ff Define mbe_clear() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 596
diff changeset
343 mbe_clear(mbe_t *canvas) {
3300992b29ff Define mbe_clear() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 596
diff changeset
344 VGPaint paint;
3300992b29ff Define mbe_clear() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 596
diff changeset
345
3300992b29ff Define mbe_clear() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 596
diff changeset
346 _MK_CURRENT_CTX(canvas);
3300992b29ff Define mbe_clear() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 596
diff changeset
347
3300992b29ff Define mbe_clear() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 596
diff changeset
348 paint = vgCreatePaint();
3300992b29ff Define mbe_clear() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 596
diff changeset
349 ASSERT(paint != VG_INVALID_HANDLE);
3300992b29ff Define mbe_clear() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 596
diff changeset
350 vgSetColor(paint, 0);
3300992b29ff Define mbe_clear() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 596
diff changeset
351
3300992b29ff Define mbe_clear() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 596
diff changeset
352 vgSetPaint(paint, VG_FILL_PATH);
3300992b29ff Define mbe_clear() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 596
diff changeset
353 vgSeti(VG_BLEND_MODE, VG_BLEND_SRC);
3300992b29ff Define mbe_clear() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 596
diff changeset
354 vgDrawPath(canvas->path, VG_FILL_PATH);
3300992b29ff Define mbe_clear() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 596
diff changeset
355 vgSeti(VG_BLEND_MODE, VG_BLEND_SRC_OVER);
3300992b29ff Define mbe_clear() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 596
diff changeset
356
3300992b29ff Define mbe_clear() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 596
diff changeset
357 vgDestroyPaint(paint);
3300992b29ff Define mbe_clear() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 596
diff changeset
358
3300992b29ff Define mbe_clear() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 596
diff changeset
359 canvas->paint_installed = 0;
3300992b29ff Define mbe_clear() for VG
Thinker K.F. Li <thinker@branda.to>
parents: 596
diff changeset
360 }