diff options
Diffstat (limited to 'src/gui/opengl/qopenglframebufferobject.cpp')
| -rw-r--r-- | src/gui/opengl/qopenglframebufferobject.cpp | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/src/gui/opengl/qopenglframebufferobject.cpp b/src/gui/opengl/qopenglframebufferobject.cpp index 6486a447ee..cae3d516c4 100644 --- a/src/gui/opengl/qopenglframebufferobject.cpp +++ b/src/gui/opengl/qopenglframebufferobject.cpp @@ -142,6 +142,14 @@ QT_BEGIN_NAMESPACE #define GL_CONTEXT_LOST 0x0507 #endif +#ifndef GL_DEPTH_STENCIL_ATTACHMENT +#define GL_DEPTH_STENCIL_ATTACHMENT 0x821A +#endif + +#ifndef GL_DEPTH_STENCIL +#define GL_DEPTH_STENCIL 0x84F9 +#endif + /*! @@ -619,7 +627,11 @@ void QOpenGLFramebufferObjectPrivate::initDepthStencilAttachments(QOpenGLContext // free existing attachments if (depth_buffer_guard) { +#ifdef Q_OS_WASM + funcs.glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, GL_RENDERBUFFER, 0); +#else funcs.glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, 0); +#endif depth_buffer_guard->free(); } if (stencil_buffer_guard) { @@ -637,7 +649,35 @@ void QOpenGLFramebufferObjectPrivate::initDepthStencilAttachments(QOpenGLContext // In practice, a combined depth-stencil buffer is supported by all desktop platforms, while a // separate stencil buffer is not. On embedded devices however, a combined depth-stencil buffer // might not be supported while separate buffers are, according to QTBUG-12861. +#ifdef Q_OS_WASM + // WebGL doesn't allow separately attach buffers to + // STENCIL_ATTACHMENT and DEPTH_ATTACHMENT + // QTBUG-69913 + if (attachment == QOpenGLFramebufferObject::CombinedDepthStencil) { + funcs.glGenRenderbuffers(1, &depth_buffer); + funcs.glBindRenderbuffer(GL_RENDERBUFFER, depth_buffer); + Q_ASSERT(funcs.glIsRenderbuffer(depth_buffer)); + + GLenum storageFormat = GL_DEPTH_STENCIL; + + if (samples != 0 ) { + funcs.glRenderbufferStorageMultisample(GL_RENDERBUFFER, samples, + storageFormat, dsSize.width(), dsSize.height()); + } else { + funcs.glRenderbufferStorage(GL_RENDERBUFFER, storageFormat, + dsSize.width(), dsSize.height()); + } + + funcs.glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, + GL_RENDERBUFFER, depth_buffer); + valid = checkFramebufferStatus(ctx); + if (!valid) { + funcs.glDeleteRenderbuffers(1, &depth_buffer); + depth_buffer = 0; + } + } +#else if (attachment == QOpenGLFramebufferObject::CombinedDepthStencil && funcs.hasOpenGLExtension(QOpenGLExtensions::PackedDepthStencil)) { @@ -729,11 +769,16 @@ void QOpenGLFramebufferObjectPrivate::initDepthStencilAttachments(QOpenGLContext stencil_buffer = 0; } } +#endif //Q_OS_WASM // The FBO might have become valid after removing the depth or stencil buffer. valid = checkFramebufferStatus(ctx); +#ifdef Q_OS_WASM + if (depth_buffer) { +#else if (depth_buffer && stencil_buffer) { +#endif fbo_attachment = QOpenGLFramebufferObject::CombinedDepthStencil; } else if (depth_buffer) { fbo_attachment = QOpenGLFramebufferObject::Depth; |