diff options
Diffstat (limited to 'src/gui/opengl/qopenglfunctions.cpp')
-rw-r--r-- | src/gui/opengl/qopenglfunctions.cpp | 31 |
1 files changed, 29 insertions, 2 deletions
diff --git a/src/gui/opengl/qopenglfunctions.cpp b/src/gui/opengl/qopenglfunctions.cpp index d8c8e4704d..c9352fbc31 100644 --- a/src/gui/opengl/qopenglfunctions.cpp +++ b/src/gui/opengl/qopenglfunctions.cpp @@ -346,6 +346,12 @@ static int qt_gl_resolve_extensions() extensions |= QOpenGLExtensions::TextureSwizzle; if (extensionMatcher.match("GL_OES_standard_derivatives")) extensions |= QOpenGLExtensions::StandardDerivatives; + if (extensionMatcher.match("GL_ARB_half_float_vertex")) + extensions |= QOpenGLExtensions::HalfFloatVertex; + if (extensionMatcher.match("GL_OVR_multiview")) + extensions |= QOpenGLExtensions::MultiView; + if (extensionMatcher.match("GL_OVR_multiview2")) + extensions |= QOpenGLExtensions::MultiViewExtended; if (ctx->isOpenGLES()) { if (format.majorVersion() >= 2) @@ -359,8 +365,10 @@ static int qt_gl_resolve_extensions() | QOpenGLExtensions::FramebufferBlit | QOpenGLExtensions::FramebufferMultisample | QOpenGLExtensions::Sized8Formats + | QOpenGLExtensions::DiscardFramebuffer | QOpenGLExtensions::StandardDerivatives - | QOpenGLExtensions::ETC2TextureCompression; + | QOpenGLExtensions::ETC2TextureCompression + | QOpenGLExtensions::HalfFloatVertex; #ifndef Q_OS_WASM // WebGL 2.0 specification explicitly does not support texture swizzles // https://www.khronos.org/registry/webgl/specs/latest/2.0/#5.19 @@ -443,6 +451,9 @@ static int qt_gl_resolve_extensions() if (format.version() >= qMakePair(3, 3)) extensions |= QOpenGLExtensions::TextureSwizzle; + if (format.version() >= qMakePair(4, 3) || extensionMatcher.match("GL_ARB_invalidate_subdata")) + extensions |= QOpenGLExtensions::DiscardFramebuffer; + if (extensionMatcher.match("GL_ARB_map_buffer_range")) extensions |= QOpenGLExtensions::MapBufferRange; @@ -5044,7 +5055,23 @@ QOpenGLExtensionsPrivate::QOpenGLExtensionsPrivate(QOpenGLContext *ctx) MapBuffer = RESOLVE(MapBuffer); GetBufferSubData = RESOLVE(GetBufferSubData); DiscardFramebuffer = RESOLVE(DiscardFramebuffer); - } +} + +void QOpenGLExtensions::discardFramebuffer(GLenum target, GLsizei numAttachments, const GLenum *attachments) +{ + Q_D(QOpenGLExtensions); + Q_ASSERT(QOpenGLExtensions::isInitialized(d)); + Q_ASSERT(d->f.InvalidateFramebuffer || d->DiscardFramebuffer); + + // On GLES >= 3 we prefer glInvalidateFramebuffer, even if the + // discard extension is present + if (d->f.InvalidateFramebuffer) + d->f.InvalidateFramebuffer(target, numAttachments, attachments); + else + d->DiscardFramebuffer(target, numAttachments, attachments); + + Q_OPENGL_FUNCTIONS_DEBUG +} void QOpenGLExtensions::flushShared() { |