diff options
Diffstat (limited to 'src/gui/opengl')
| -rw-r--r-- | src/gui/opengl/qopenglextensions_p.h | 1 | ||||
| -rw-r--r-- | src/gui/opengl/qopenglfunctions.cpp | 8 |
2 files changed, 8 insertions, 1 deletions
diff --git a/src/gui/opengl/qopenglextensions_p.h b/src/gui/opengl/qopenglextensions_p.h index 137f1e831f..0d58b5f301 100644 --- a/src/gui/opengl/qopenglextensions_p.h +++ b/src/gui/opengl/qopenglextensions_p.h @@ -92,6 +92,7 @@ public: DiscardFramebuffer = 0x00400000, Sized16Formats = 0x00800000, TextureSwizzle = 0x01000000, + StandardDerivatives = 0x02000000, }; Q_DECLARE_FLAGS(OpenGLExtensions, OpenGLExtension) diff --git a/src/gui/opengl/qopenglfunctions.cpp b/src/gui/opengl/qopenglfunctions.cpp index a95f064ac5..7c17d3798b 100644 --- a/src/gui/opengl/qopenglfunctions.cpp +++ b/src/gui/opengl/qopenglfunctions.cpp @@ -376,6 +376,8 @@ static int qt_gl_resolve_extensions() extensions |= QOpenGLExtensions::PixelBufferObject; if (extensionMatcher.match("GL_ARB_texture_swizzle") || extensionMatcher.match("GL_EXT_texture_swizzle")) extensions |= QOpenGLExtensions::TextureSwizzle; + if (extensionMatcher.match("GL_OES_standard_derivatives")) + extensions |= QOpenGLExtensions::StandardDerivatives; if (ctx->isOpenGLES()) { if (format.majorVersion() >= 2) @@ -388,7 +390,8 @@ static int qt_gl_resolve_extensions() | QOpenGLExtensions::MapBufferRange | QOpenGLExtensions::FramebufferBlit | QOpenGLExtensions::FramebufferMultisample - | QOpenGLExtensions::Sized8Formats; + | QOpenGLExtensions::Sized8Formats + | QOpenGLExtensions::StandardDerivatives; #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 @@ -445,6 +448,9 @@ static int qt_gl_resolve_extensions() if (format.version() >= qMakePair(1, 4) || extensionMatcher.match("GL_SGIS_generate_mipmap")) extensions |= QOpenGLExtensions::GenerateMipmap; + if (format.majorVersion() >= 2) + extensions |= QOpenGLExtensions::StandardDerivatives; + if (format.majorVersion() >= 3 || extensionMatcher.match("GL_ARB_framebuffer_object")) { extensions |= QOpenGLExtensions::FramebufferMultisample | QOpenGLExtensions::FramebufferBlit |