opengl/qopenglbuffer.cpp

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LineSource CodeCoverage
1 -
2 -
3class QOpenGLBufferPrivate -
4{ -
5public: -
6 QOpenGLBufferPrivate(QOpenGLBuffer::Type t) -
7 : ref(1), -
8 type(t), -
9 guard(0), -
10 usagePattern(QOpenGLBuffer::StaticDraw), -
11 actualUsagePattern(QOpenGLBuffer::StaticDraw), -
12 funcs(0) -
13 { -
14 }
never executed: }
0
15 -
16 QAtomicInt ref; -
17 QOpenGLBuffer::Type type; -
18 QOpenGLSharedResourceGuard *guard; -
19 QOpenGLBuffer::UsagePattern usagePattern; -
20 QOpenGLBuffer::UsagePattern actualUsagePattern; -
21 QOpenGLExtensions *funcs; -
22}; -
23QOpenGLBuffer::QOpenGLBuffer() -
24 : d_ptr(new QOpenGLBufferPrivate(QOpenGLBuffer::VertexBuffer)) -
25{ -
26}
never executed: }
0
27QOpenGLBuffer::QOpenGLBuffer(QOpenGLBuffer::Type type) -
28 : d_ptr(new QOpenGLBufferPrivate(type)) -
29{ -
30}
never executed: }
0
31 -
32 -
33 -
34 -
35 -
36 -
37 -
38QOpenGLBuffer::QOpenGLBuffer(const QOpenGLBuffer &other) -
39 : d_ptr(other.d_ptr) -
40{ -
41 d_ptr->ref.ref(); -
42}
never executed: }
0
43 -
44 -
45 -
46 -
47 -
48QOpenGLBuffer::~QOpenGLBuffer() -
49{ -
50 if (!d_ptr->ref.deref()) {
never evaluated: !d_ptr->ref.deref()
0
51 destroy(); -
52 delete d_ptr; -
53 }
never executed: }
0
54}
never executed: }
0
55 -
56 -
57 -
58 -
59 -
60 -
61 -
62QOpenGLBuffer &QOpenGLBuffer::operator=(const QOpenGLBuffer &other) -
63{ -
64 if (d_ptr != other.d_ptr) {
never evaluated: d_ptr != other.d_ptr
0
65 other.d_ptr->ref.ref(); -
66 if (!d_ptr->ref.deref()) {
never evaluated: !d_ptr->ref.deref()
0
67 destroy(); -
68 delete d_ptr; -
69 }
never executed: }
0
70 d_ptr = other.d_ptr; -
71 }
never executed: }
0
72 return *this;
never executed: return *this;
0
73} -
74 -
75 -
76 -
77 -
78QOpenGLBuffer::Type QOpenGLBuffer::type() const -
79{ -
80 const QOpenGLBufferPrivate * const d = d_func(); -
81 return d->type;
never executed: return d->type;
0
82} -
83 -
84 -
85 -
86 -
87 -
88 -
89 -
90QOpenGLBuffer::UsagePattern QOpenGLBuffer::usagePattern() const -
91{ -
92 const QOpenGLBufferPrivate * const d = d_func(); -
93 return d->usagePattern;
never executed: return d->usagePattern;
0
94} -
95 -
96 -
97 -
98 -
99 -
100 -
101 -
102void QOpenGLBuffer::setUsagePattern(QOpenGLBuffer::UsagePattern value) -
103{ -
104 QOpenGLBufferPrivate * const d = d_func(); -
105 d->usagePattern = d->actualUsagePattern = value; -
106}
never executed: }
0
107 -
108namespace { -
109 void freeBufferFunc(QOpenGLFunctions *funcs, GLuint id) -
110 { -
111 funcs->glDeleteBuffers(1, &id); -
112 }
never executed: }
0
113} -
114bool QOpenGLBuffer::create() -
115{ -
116 QOpenGLBufferPrivate * const d = d_func(); -
117 if (d->guard && d->guard->id())
never evaluated: d->guard
never evaluated: d->guard->id()
0
118 return true;
never executed: return true;
0
119 QOpenGLContext *ctx = QOpenGLContext::currentContext(); -
120 if (ctx) {
never evaluated: ctx
0
121 delete d->funcs; -
122 d->funcs = new QOpenGLExtensions(ctx); -
123 GLuint bufferId = 0; -
124 d->funcs->glGenBuffers(1, &bufferId); -
125 if (bufferId) {
never evaluated: bufferId
0
126 if (d->guard)
never evaluated: d->guard
0
127 d->guard->free();
never executed: d->guard->free();
0
128 -
129 d->guard = new QOpenGLSharedResourceGuard(ctx, bufferId, freeBufferFunc); -
130 return true;
never executed: return true;
0
131 } -
132 }
never executed: }
0
133 return false;
never executed: return false;
0
134} -
135 -
136 -
137 -
138 -
139 -
140 -
141bool QOpenGLBuffer::isCreated() const -
142{ -
143 const QOpenGLBufferPrivate * const d = d_func(); -
144 return d->guard && d->guard->id();
never executed: return d->guard && d->guard->id();
0
145} -
146 -
147 -
148 -
149 -
150 -
151 -
152void QOpenGLBuffer::destroy() -
153{ -
154 QOpenGLBufferPrivate * const d = d_func(); -
155 if (d->guard) {
never evaluated: d->guard
0
156 d->guard->free(); -
157 d->guard = 0; -
158 }
never executed: }
0
159}
never executed: }
0
160bool QOpenGLBuffer::read(int offset, void *data, int count) -
161{ -
162 -
163 QOpenGLBufferPrivate * const d = d_func(); -
164 if (!d->funcs->hasOpenGLFeature(QOpenGLFunctions::Buffers) || !d->guard->id())
never evaluated: !d->funcs->hasOpenGLFeature(QOpenGLFunctions::Buffers)
never evaluated: !d->guard->id()
0
165 return false;
never executed: return false;
0
166 while (glGetError() != 0x0) ;
never executed: ;
never evaluated: glGetError() != 0x0
0
167 d->funcs->glGetBufferSubData(d->type, offset, count, data); -
168 return glGetError() == 0x0;
never executed: return glGetError() == 0x0;
0
169 -
170 -
171 -
172 -
173 -
174 -
175} -
176void QOpenGLBuffer::write(int offset, const void *data, int count) -
177{ -
178 -
179 -
180 -
181 -
182 QOpenGLBufferPrivate * const d = d_func(); -
183 if (d->guard && d->guard->id())
never evaluated: d->guard
never evaluated: d->guard->id()
0
184 d->funcs->glBufferSubData(d->type, offset, count, data);
never executed: d->funcs->glBufferSubData(d->type, offset, count, data);
0
185}
never executed: }
0
186void QOpenGLBuffer::allocate(const void *data, int count) -
187{ -
188 -
189 -
190 -
191 -
192 QOpenGLBufferPrivate * const d = d_func(); -
193 if (d->guard && d->guard->id())
never evaluated: d->guard
never evaluated: d->guard->id()
0
194 d->funcs->glBufferData(d->type, count, data, d->actualUsagePattern);
never executed: d->funcs->glBufferData(d->type, count, data, d->actualUsagePattern);
0
195}
never executed: }
0
196bool QOpenGLBuffer::bind() -
197{ -
198 -
199 -
200 -
201 -
202 const QOpenGLBufferPrivate * const d = d_func(); -
203 GLuint bufferId = d->guard ? d->guard->id() : 0;
never evaluated: d->guard
0
204 if (bufferId) {
never evaluated: bufferId
0
205 if (d->guard->group() != QOpenGLContextGroup::currentContextGroup()) {
never evaluated: d->guard->group() != QOpenGLContextGroup::currentContextGroup()
0
206 -
207 -
208 -
209 return false;
never executed: return false;
0
210 } -
211 d->funcs->glBindBuffer(d->type, bufferId); -
212 return true;
never executed: return true;
0
213 } else { -
214 return false;
never executed: return false;
0
215 } -
216} -
217void QOpenGLBuffer::release() -
218{ -
219 -
220 -
221 -
222 -
223 const QOpenGLBufferPrivate * const d = d_func(); -
224 if (d->guard && d->guard->id())
never evaluated: d->guard
never evaluated: d->guard->id()
0
225 d->funcs->glBindBuffer(d->type, 0);
never executed: d->funcs->glBindBuffer(d->type, 0);
0
226}
never executed: }
0
227void QOpenGLBuffer::release(QOpenGLBuffer::Type type) -
228{ -
229 QOpenGLContext *ctx = QOpenGLContext::currentContext(); -
230 if (ctx)
never evaluated: ctx
0
231 ctx->functions()->glBindBuffer(GLenum(type), 0);
never executed: ctx->functions()->glBindBuffer(GLenum(type), 0);
0
232}
never executed: }
0
233 -
234 -
235 -
236 -
237 -
238 -
239 -
240GLuint QOpenGLBuffer::bufferId() const -
241{ -
242 const QOpenGLBufferPrivate * const d = d_func(); -
243 return d->guard ? d->guard->id() : 0;
never executed: return d->guard ? d->guard->id() : 0;
0
244} -
245int QOpenGLBuffer::size() const -
246{ -
247 const QOpenGLBufferPrivate * const d = d_func(); -
248 if (!d->guard || !d->guard->id())
never evaluated: !d->guard
never evaluated: !d->guard->id()
0
249 return -1;
never executed: return -1;
0
250 GLint value = -1; -
251 d->funcs->glGetBufferParameteriv(d->type, 0x8764, &value); -
252 return value;
never executed: return value;
0
253} -
254void *QOpenGLBuffer::map(QOpenGLBuffer::Access access) -
255{ -
256 QOpenGLBufferPrivate * const d = d_func(); -
257 -
258 -
259 -
260 -
261 if (!d->guard || !d->guard->id())
never evaluated: !d->guard
never evaluated: !d->guard->id()
0
262 return 0;
never executed: return 0;
0
263 return d->funcs->glMapBuffer(d->type, access);
never executed: return d->funcs->glMapBuffer(d->type, access);
0
264} -
265bool QOpenGLBuffer::unmap() -
266{ -
267 QOpenGLBufferPrivate * const d = d_func(); -
268 -
269 -
270 -
271 -
272 if (!d->guard || !d->guard->id())
never evaluated: !d->guard
never evaluated: !d->guard->id()
0
273 return false;
never executed: return false;
0
274 return d->funcs->glUnmapBuffer(d->type) == 0x1;
never executed: return d->funcs->glUnmapBuffer(d->type) == 0x1;
0
275} -
276 -
277 -
278 -
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