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annotate DPF-Prymula-audioplugins/dpf/dgl/src/pugl-extra/wasm_gl.c @ 3:84e66ea83026

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DPF-Prymula-audioplugins-0.231015-2
author prymula <prymula76@outlook.com>
date Mon, 16 Oct 2023 21:53:34 +0200
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children
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3
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1 // Copyright 2012-2022 David Robillard <d@drobilla.net>
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2 // Copyright 2021-2022 Filipe Coelho <falktx@falktx.com>
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3 // SPDX-License-Identifier: ISC
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4
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5 #include "../pugl-upstream/src/stub.h"
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6 #include "wasm.h"
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7
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8 #include "pugl/pugl.h"
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9
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10 #include <stdio.h>
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11 #include <stdlib.h>
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12
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13 #include <EGL/egl.h>
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14
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15 // for performance reasons we can keep a single EGL context always active
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16 #define PUGL_WASM_SINGLE_EGL_CONTEXT
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17
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18 typedef struct {
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19 EGLDisplay display;
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20 EGLConfig config;
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21 EGLContext context;
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22 EGLSurface surface;
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23 } PuglWasmGlSurface;
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24
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25 static EGLint
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26 puglWasmGlHintValue(const int value)
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27 {
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28 return value == PUGL_DONT_CARE ? EGL_DONT_CARE : value;
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29 }
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30
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31 static int
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32 puglWasmGlGetAttrib(const EGLDisplay display,
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33 const EGLConfig config,
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34 const EGLint attrib)
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35 {
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36 EGLint value = 0;
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37 eglGetConfigAttrib(display, config, attrib, &value);
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38 return value;
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39 }
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40
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41 static PuglStatus
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42 puglWasmGlConfigure(PuglView* view)
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43 {
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44 PuglInternals* const impl = view->impl;
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45
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46 const EGLDisplay display = eglGetDisplay(EGL_DEFAULT_DISPLAY);
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47
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48 if (display == EGL_NO_DISPLAY) {
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49 return PUGL_CREATE_CONTEXT_FAILED;
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50 }
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51
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52 int major, minor;
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53 if (eglInitialize(display, &major, &minor) != EGL_TRUE) {
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54 return PUGL_CREATE_CONTEXT_FAILED;
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55 }
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56
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57 EGLConfig config;
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58 int numConfigs;
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59
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60 if (eglGetConfigs(display, &config, 1, &numConfigs) != EGL_TRUE || numConfigs != 1) {
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61 eglTerminate(display);
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62 return PUGL_CREATE_CONTEXT_FAILED;
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63 }
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64
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65 // clang-format off
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66 const EGLint attrs[] = {
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67 /*
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68 GLX_X_RENDERABLE, True,
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69 GLX_X_VISUAL_TYPE, GLX_TRUE_COLOR,
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70 GLX_DRAWABLE_TYPE, GLX_WINDOW_BIT,
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71 GLX_RENDER_TYPE, GLX_RGBA_BIT,
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72 EGL_SAMPLE_BUFFERS, view->hints[PUGL_MULTI_SAMPLE] ? 1 : 0,
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73 */
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74 EGL_SAMPLES, puglWasmGlHintValue(view->hints[PUGL_SAMPLES]),
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75 EGL_RED_SIZE, puglWasmGlHintValue(view->hints[PUGL_RED_BITS]),
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76 EGL_GREEN_SIZE, puglWasmGlHintValue(view->hints[PUGL_GREEN_BITS]),
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77 EGL_BLUE_SIZE, puglWasmGlHintValue(view->hints[PUGL_BLUE_BITS]),
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78 EGL_ALPHA_SIZE, puglWasmGlHintValue(view->hints[PUGL_ALPHA_BITS]),
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79 EGL_DEPTH_SIZE, puglWasmGlHintValue(view->hints[PUGL_DEPTH_BITS]),
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80 EGL_STENCIL_SIZE, puglWasmGlHintValue(view->hints[PUGL_STENCIL_BITS]),
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81 EGL_NONE
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82 };
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83 // clang-format on
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84
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85 if (eglChooseConfig(display, attrs, &config, 1, &numConfigs) != EGL_TRUE || numConfigs != 1) {
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86 eglTerminate(display);
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87 return PUGL_CREATE_CONTEXT_FAILED;
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88 }
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89
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90 PuglWasmGlSurface* const surface =
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91 (PuglWasmGlSurface*)calloc(1, sizeof(PuglWasmGlSurface));
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92 impl->surface = surface;
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93
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94 surface->display = display;
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95 surface->config = config;
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96 surface->context = EGL_NO_SURFACE;
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97 surface->surface = EGL_NO_CONTEXT;
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98
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99 view->hints[PUGL_RED_BITS] =
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100 puglWasmGlGetAttrib(display, config, EGL_RED_SIZE);
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101 view->hints[PUGL_GREEN_BITS] =
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102 puglWasmGlGetAttrib(display, config, EGL_GREEN_SIZE);
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103 view->hints[PUGL_BLUE_BITS] =
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104 puglWasmGlGetAttrib(display, config, EGL_BLUE_SIZE);
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105 view->hints[PUGL_ALPHA_BITS] =
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106 puglWasmGlGetAttrib(display, config, EGL_ALPHA_SIZE);
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107 view->hints[PUGL_DEPTH_BITS] =
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108 puglWasmGlGetAttrib(display, config, EGL_DEPTH_SIZE);
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109 view->hints[PUGL_STENCIL_BITS] =
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110 puglWasmGlGetAttrib(display, config, EGL_STENCIL_SIZE);
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111 view->hints[PUGL_SAMPLES] =
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112 puglWasmGlGetAttrib(display, config, EGL_SAMPLES);
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113
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114 // double-buffering is always enabled for EGL
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115 view->hints[PUGL_DOUBLE_BUFFER] = 1;
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116
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117 return PUGL_SUCCESS;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
118 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
119
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
120 PUGL_WARN_UNUSED_RESULT
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
121 static PuglStatus
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
122 puglWasmGlEnter(PuglView* view, const PuglExposeEvent* PUGL_UNUSED(expose))
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
123 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
124 PuglWasmGlSurface* const surface = (PuglWasmGlSurface*)view->impl->surface;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
125 if (!surface || !surface->context || !surface->surface) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
126 return PUGL_FAILURE;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
127 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
128
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
129 #ifndef PUGL_WASM_SINGLE_EGL_CONTEXT
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
130 return eglMakeCurrent(surface->display, surface->surface, surface->surface, surface->context) ? PUGL_SUCCESS : PUGL_FAILURE;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
131 #else
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
132 return PUGL_SUCCESS;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
133 #endif
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
134 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
135
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
136 PUGL_WARN_UNUSED_RESULT
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
137 static PuglStatus
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
138 puglWasmGlLeave(PuglView* view, const PuglExposeEvent* expose)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
139 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
140 PuglWasmGlSurface* const surface = (PuglWasmGlSurface*)view->impl->surface;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
141
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
142 if (expose) { // note: swap buffers always enabled for EGL
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
143 eglSwapBuffers(surface->display, surface->surface);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
144 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
145
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
146 #ifndef PUGL_WASM_SINGLE_EGL_CONTEXT
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
147 return eglMakeCurrent(surface->display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT) ? PUGL_SUCCESS : PUGL_FAILURE;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
148 #else
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
149 return PUGL_SUCCESS;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
150 #endif
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
151 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
152
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
153 static PuglStatus
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
154 puglWasmGlCreate(PuglView* view)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
155 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
156 PuglWasmGlSurface* const surface = (PuglWasmGlSurface*)view->impl->surface;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
157 const EGLDisplay display = surface->display;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
158 const EGLConfig config = surface->config;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
159
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
160 const EGLint attrs[] = {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
161 EGL_CONTEXT_CLIENT_VERSION,
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
162 view->hints[PUGL_CONTEXT_VERSION_MAJOR],
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
163
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
164 EGL_CONTEXT_MAJOR_VERSION,
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
165 view->hints[PUGL_CONTEXT_VERSION_MAJOR],
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
166
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
167 /*
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
168 EGL_CONTEXT_MINOR_VERSION,
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
169 view->hints[PUGL_CONTEXT_VERSION_MINOR],
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
170
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
171 EGL_CONTEXT_OPENGL_DEBUG,
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
172 (view->hints[PUGL_USE_DEBUG_CONTEXT] ? EGL_TRUE : EGL_FALSE),
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
173
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
174 EGL_CONTEXT_OPENGL_PROFILE_MASK,
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
175 (view->hints[PUGL_USE_COMPAT_PROFILE]
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
176 ? EGL_CONTEXT_OPENGL_COMPATIBILITY_PROFILE_BIT
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
177 : EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT),
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
178 */
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
179
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
180 EGL_NONE
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
181 };
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
182
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
183 surface->context = eglCreateContext(display, config, EGL_NO_CONTEXT, attrs);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
184
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
185 if (surface->context == EGL_NO_CONTEXT) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
186 return PUGL_CREATE_CONTEXT_FAILED;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
187 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
188
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
189 surface->surface = eglCreateWindowSurface(display, config, 0, NULL);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
190
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
191 if (surface->surface == EGL_NO_SURFACE) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
192 return PUGL_CREATE_CONTEXT_FAILED;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
193 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
194
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
195 #ifdef PUGL_WASM_SINGLE_EGL_CONTEXT
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
196 eglMakeCurrent(surface->display, surface->surface, surface->surface, surface->context);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
197 #endif
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
198
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
199 return PUGL_SUCCESS;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
200 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
201
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
202 static void
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
203 puglWasmGlDestroy(PuglView* view)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
204 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
205 PuglWasmGlSurface* surface = (PuglWasmGlSurface*)view->impl->surface;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
206 if (surface) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
207 const EGLDisplay display = surface->display;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
208 if (surface->surface != EGL_NO_SURFACE)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
209 eglDestroySurface(display, surface->surface);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
210 if (surface->context != EGL_NO_CONTEXT)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
211 eglDestroyContext(display, surface->context);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
212 eglTerminate(display);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
213 free(surface);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
214 view->impl->surface = NULL;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
215 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
216 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
217
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
218 const PuglBackend*
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
219 puglGlBackend(void)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
220 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
221 static const PuglBackend backend = {puglWasmGlConfigure,
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
222 puglWasmGlCreate,
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
223 puglWasmGlDestroy,
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
224 puglWasmGlEnter,
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
225 puglWasmGlLeave,
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
226 puglStubGetContext};
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
227 return &backend;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
228 }