GL: recognize EXT_multi_draw_indirect and EXT_external_objects extensions.

3 months ago · 3b26301bc3
15 changed files with 919 additions and 40 deletions
--- a/doc/changelog.dox
+++ b/doc/changelog.dox
@ -195,6 +195,15 @@ See also:
    -   @webgl_extension{WEBGL,multi_draw}
    -   @webgl_extension{WEBGL,draw_instanced_base_vertex_base_instance}
    -   @webgl_extension{WEBGL,multi_draw_instanced_base_vertex_base_instance}
+-   Recognizing the @gl_extension{EXT,multi_draw_indirect} OpenGL ES extension
+-   Recognizing the @gl_extension2{EXT,memory_object,EXT_external_objects},
+    @gl_extension2{EXT,semaphore,EXT_external_objects},
+    @gl_extension2{EXT,memory_object_fd,EXT_external_objects_fd},
+    @gl_extension2{EXT,semaphore_fd,EXT_external_objects_fd},
+    @gl_extension2{EXT,memory_object_win32,EXT_external_objects_win32} and
+    @gl_extension2{EXT,semaphore_win32,EXT_external_objects_win32} OpenGL and
+    OpenGL ES extensions for interoperation with other GPU APIs (see
+    [mosra/magnum#688](https://github.com/mosra/magnum/issues/688))
 -   Recognizing @m_class{m-doc-external} [ANGLE_compressed_texture_etc](https://chromium.googlesource.com/angle/angle/+/master/extensions/ANGLE_compressed_texture_etc.txt)
    OpenGL ES and @webgl_extension{WEBGL,compressed_texture_etc} WebGL
    extensions, making ETC and EAC @ref GL::CompressedPixelFormat and
--- a/doc/opengl-mapping.dox
+++ b/doc/opengl-mapping.dox
@ -87,6 +87,7 @@ OpenGL function                         | Matching API
@fn_gl{BufferData}, \n `glNamedBufferData()` | @ref GL::Buffer::setData()
@fn_gl_extension{BufferPageCommitment,ARB,sparse_buffer}, \n `glNamedBufferPageCommitmentEXT()`, \n `glNamedBufferPageCommitmentARB()` | |
@fn_gl{BufferStorage}, \n `glNamedBufferStorage()` | @ref GL::Buffer::setStorage()
+@fn_gl_extension{BufferStorageMem,EXT,external_objects}, \n @fn_gl_extension{NamedBufferStorageMem,EXT,external_objects} | |
@fn_gl{BufferSubData}, \n `glNamedBufferSubData()` | @ref GL::Buffer::setSubData()

@subsection opengl-mapping-functions-c C
@ -116,6 +117,7 @@ OpenGL function                         | Matching API
@fn_gl{CopyImageSubData}                | |
@fn_gl{CopyTexImage1D}, \n @fn_gl{CopyTexImage2D} | @ref GL::Framebuffer::copyImage()
@fn_gl{CopyTexSubImage1D}, \n `glCopyTextureSubImage1D()`, \n @fn_gl{CopyTexSubImage2D}, \n `glCopyTextureSubImage2D()`, \n @fn_gl{CopyTexSubImage3D}, \n `glCopyTextureSubImage3D()` | @ref GL::Framebuffer::copySubImage()
+@fn_gl_extension{CreateMemoryObjects,EXT,external_objects}, \n @fn_gl_extension{DeleteMemoryObjects,EXT,external_objects} | |
@fn_gl{CreateProgram}, @fn_gl{DeleteProgram} | @ref GL::AbstractShaderProgram constructor and destructor
@fn_gl{CreateShader}, @fn_gl{DeleteShader} | @ref GL::Shader constructor and destructor
@fn_gl{CreateShaderProgram}             | |
@ -183,6 +185,7 @@ OpenGL function                         | Matching API
@fn_gl{GenBuffers}, \n @fn_gl{CreateBuffers}, \n @fn_gl{DeleteBuffers} | @ref GL::Buffer constructor and destructor
@fn_gl{GenFramebuffers}, \n @fn_gl{CreateFramebuffers}, \n @fn_gl{DeleteFramebuffers} | @ref GL::Framebuffer constructor and destructor
@fn_gl{GenProgramPipelines}, \n @fn_gl{CreateProgramPipelines}, \n @fn_gl{DeleteProgramPipelines} | |
+@fn_gl_extension{GenSemaphores,EXT,external_objects}, \n @fn_gl_extension{DeleteSemaphores,EXT,external_objects} | |
@fn_gl{GenQueries}, \n @fn_gl{CreateQueries}, \n @fn_gl{DeleteQueries} | @ref GL::AbstractQuery constructor and destructor
@fn_gl{GenRenderbuffers}, \n @fn_gl{CreateRenderbuffers}, \n @fn_gl{DeleteRenderbuffers} | @ref GL::Renderbuffer constructor and destructor
@fn_gl{GenSamplers}, \n @fn_gl{CreateSamplers}, \n @fn_gl{DeleteSamplers} | |
@ -190,7 +193,7 @@ OpenGL function                         | Matching API
@fn_gl{GenTransformFeedbacks}, \n @fn_gl{CreateTransformFeedbacks}, \n @fn_gl{DeleteTransformFeedbacks} | @ref GL::TransformFeedback constructor and destructor
@fn_gl{GenVertexArrays}, \n @fn_gl{CreateVertexArrays}, \n @fn_gl{DeleteVertexArrays} | @ref GL::Mesh constructor and destructor
@fn_gl{GenerateMipmap}, \n `glGenerateTextureMipmap()` | @ref GL::Texture::generateMipmap(), \n @ref GL::TextureArray::generateMipmap(), \n @ref GL::CubeMapTexture::generateMipmap(), \n @ref GL::CubeMapTextureArray::generateMipmap()
-@fn_gl{Get}                             | see @ref opengl-mapping-state "table below"
+@fn_gl{Get}, \n @fn_gl_extension{GetUnsignedBytev,EXT,external_objects}, \n @fn_gl_extension{GetUnsignedBytei_v,EXT,external_objects} | see @ref opengl-mapping-state "table below"
@fn_gl2{GetActiveAtomicCounterBuffer,GetActiveAtomicCounterBufferiv} | not queryable
@fn_gl{GetActiveAttrib}, \n @fn_gl{GetActiveSubroutineName}, \n @fn_gl{GetActiveSubroutineUniform}, \n @fn_gl{GetActiveSubroutineUniformName}, \n @fn_gl{GetActiveUniform}, \n @fn_gl{GetActiveUniformBlock}, \n @fn_gl{GetActiveUniformBlockName}, \n @fn_gl{GetActiveUniformName}, \n @fn_gl{GetActiveUniforms} | not queryable
@fn_gl{GetAttachedShaders}              | not queryable, @ref GL::AbstractShaderProgram::attachShader() setter only
@ -208,6 +211,7 @@ OpenGL function                         | Matching API
@fn_gl{GetGraphicsResetStatus}, \n @fn_gl_extension{GetGraphicsResetStatus,ARB,robustness} | @ref GL::Renderer::graphicsResetStatus()
@fn_gl_extension{GetImageHandle,ARB,bindless_texture} | |
@fn_gl{GetInternalformat}               | |
+@fn_gl_extension{GetMemoryObjectParameteriv,EXT,external_objects} | |
@fn_gl{GetMultisample}                  | |
@fn_gl{GetObjectLabel}, \n @fn_gl{GetObjectPtrLabel} | @ref GL::AbstractShaderProgram::label(), \n @ref GL::AbstractQuery::label(), \n @ref GL::AbstractTexture::label(), \n @ref GL::Buffer::label(), \n @ref GL::Framebuffer::label(), \n @ref GL::Mesh::label(), \n @ref GL::Renderbuffer::label(), \n @ref GL::Shader::label()
@fn_gl{GetProgram}, \n @fn_gl{GetProgramInfoLog} | @ref GL::AbstractShaderProgram::link(), \n @ref GL::AbstractShaderProgram::validate()
@ -217,6 +221,7 @@ OpenGL function                         | Matching API
@fn_gl{GetProgramPipelineInfoLog}       | |
@fn_gl{GetProgramResource}, \n @fn_gl{GetProgramResourceIndex}, \n @fn_gl{GetProgramResourceLocation}, \n @fn_gl{GetProgramResourceLocationIndex}, \n @fn_gl{GetProgramResourceName} | not queryable, set them in shader code directly as described in @ref GL::AbstractShaderProgram docs
@fn_gl{GetProgramStage}                 | |
+@fn_gl_extension{GetSemaphoreParameterui64v,EXT,external_objects} | |
@fn_gl{GetQueryIndexed}                 | |
@fn_gl{GetQueryObject}                  | @ref GL::AbstractQuery::result()
@fn_gl{GetQueryBufferObject}            | |
@ -259,6 +264,12 @@ OpenGL function                         | Matching API

 OpenGL function                         | Matching API
 --------------------------------------- | ------------
+@fn_gl_extension{ImportMemoryFd,EXT,external_objects_fd} | |
+@fn_gl_extension{ImportMemoryWin32Handle,EXT,external_objects_win32} | |
+@fn_gl_extension{ImportMemoryWin32Name,EXT,external_objects_win32} | |
+@fn_gl_extension{ImportSemaphoreFd,EXT,external_objects_fd} | |
+@fn_gl_extension{ImportSemaphoreWin32Handle,EXT,external_objects_win32} | |
+@fn_gl_extension{ImportSemaphoreWin32Name,EXT,external_objects_win32} | |
@fn_gl{InvalidateBufferData}            | @ref GL::Buffer::invalidateData()
@fn_gl{InvalidateBufferSubData}         | @ref GL::Buffer::invalidateSubData()
@fn_gl{InvalidateFramebuffer}, \n `glInvalidateNamedFramebufferData()`, \n @fn_gl_extension{DiscardFramebuffer,EXT,discard_framebuffer} | @ref GL::DefaultFramebuffer::invalidate(), \n @ref GL::Framebuffer::invalidate()
@ -266,6 +277,7 @@ OpenGL function                         | Matching API
@fn_gl{InvalidateTexImage}              | @ref GL::Texture::invalidateImage(), \n @ref GL::TextureArray::invalidateImage(), \n @ref GL::CubeMapTexture::invalidateImage(), \n @ref GL::CubeMapTextureArray::invalidateImage(), \n @ref GL::RectangleTexture::invalidateImage(), \n @ref GL::MultisampleTexture::invalidateImage()
@fn_gl{InvalidateTexSubImage}           | @ref GL::Texture::invalidateSubImage(), \n @ref GL::TextureArray::invalidateSubImage(), \n @ref GL::CubeMapTexture::invalidateSubImage(), \n @ref GL::CubeMapTextureArray::invalidateSubImage(), \n @ref GL::RectangleTexture::invalidateSubImage(), \n @ref GL::MultisampleTexture::invalidateSubImage()
@fn_gl{IsBuffer}, \n @fn_gl{IsFramebuffer}, \n @fn_gl{IsProgram}, \n @fn_gl{IsProgramPipeline}, \n @fn_gl{IsQuery}, \n @fn_gl{IsRenderbuffer}, \n @fn_gl{IsSampler}, \n @fn_gl{IsShader}, \n @fn_gl{IsSync}, \n @fn_gl{IsTexture}, \n @fn_gl{IsTransformFeedback}, \n @fn_gl{IsVertexArray} | not needed, objects are strongly typed
+@fn_gl_extension{IsMemoryObject,EXT,external_objects}, \n @fn_gl_extension{IsSemaphore,EXT,external_objects} | |
@fn_gl{IsEnabled}, `glIsEnabledi()` | not queryable, @ref GL::Renderer::setFeature() setter only
@fn_gl_extension{IsImageHandleResident,ARB,bindless_texture} | |
@fn_gl_extension{IsTextureHandleResident,ARB,bindless_texture} | |
@ -293,6 +305,7 @@ OpenGL function                         | Matching API
@fn_gl{MapBuffer}, \n `glMapNamedBuffer()`, \n @fn_gl{MapBufferRange}, \n `glMapNamedBufferRange()`, \n @fn_gl{UnmapBuffer}, \n `glUnmapNamedBuffer()` | @ref GL::Buffer::map(), @ref GL::Buffer::unmap()
@fn_gl_extension{MaxShaderCompilerThreads,KHR,parallel_shader_compile} | |
@fn_gl{MemoryBarrier}, \n `glMemoryBarrierByRegion()` | @ref GL::Renderer::setMemoryBarrier(), \n @ref GL::Renderer::setMemoryBarrierByRegion()
+@fn_gl_extension{MemoryObjectParameteriv,EXT,external_objects} | |
@fn_gl{MinSampleShading}                | @ref GL::Renderer::setMinSampleShading()
@fn_gl{MultiDrawArrays}, \n @fn_gl{MultiDrawElements}, \n @fn_gl{MultiDrawElementsBaseVertex} | @ref GL::AbstractShaderProgram::draw(const Containers::Iterable<MeshView>&)
@fn_gl{MultiDrawArraysIndirectCount}, \n @fn_gl{MultiDrawElementsIndirectCount} | |
@ -356,12 +369,14 @@ OpenGL function                         | Matching API
@fn_gl{SampleCoverage}                  | @ref GL::Renderer::setSampleCoverage()
@fn_gl{SampleMaski}                     | |
@fn_gl{SamplerParameter}                | |
+@fn_gl_extension{SemaphoreParameterui64v,EXT,external_objects} | |
@fn_gl{Scissor}                         | @ref GL::Renderer::setScissor()
@fn_gl{ScissorArray}                    | |
@fn_gl{ScissorIndexed}                  | |
@fn_gl{ShaderBinary}                    | |
@fn_gl{ShaderSource}                    | @ref GL::Shader::addFile(), \n @ref GL::Shader::addSource()
@fn_gl{ShaderStorageBlockBinding}       | |
+@fn_gl_extension{SignalSemaphore,EXT,external_objects} | |
@fn_gl{SpecializeShader}                | |
@fn_gl{StencilFunc}, \n @fn_gl{StencilFuncSeparate} | @ref GL::Renderer::setStencilFunction()
@fn_gl{StencilMask}, \n @fn_gl{StencilMaskSeparate} | @ref GL::Renderer::setStencilMask()
@ -379,7 +394,9 @@ OpenGL function                         | Matching API
@fn_gl_extension{TexPageCommitment,ARB,sparse_texture} | |
@fn_gl{TexParameter}, \n `glTextureParameter()` | @ref GL::Texture::setBaseLevel() "*Texture::setBaseLevel()", \n @ref GL::Texture::setMaxLevel() "*Texture::setMaxLevel()", \n @ref GL::Texture::setMinificationFilter() "*Texture::setMinificationFilter()", \n @ref GL::Texture::setMagnificationFilter() "*Texture::setMagnificationFilter()", \n @ref GL::Texture::setMinLod() "*Texture::setMinLod()", \n @ref GL::Texture::setMaxLod() "*Texture::setMaxLod()", \n @ref GL::Texture::setLodBias() "*Texture::setLodBias()", \n @ref GL::Texture::setWrapping() "*Texture::setWrapping()", \n @ref GL::Texture::setBorderColor() "*Texture::setBorderColor()", \n @ref GL::Texture::setMaxAnisotropy() "*Texture::setMaxAnisotropy()", \n @ref GL::Texture::setSrgbDecode() "*Texture::setSrgbDecode()", \n @ref GL::Texture::setSwizzle() "*Texture::setSwizzle()", \n @ref GL::Texture::setCompareMode() "*Texture::setCompareMode()", \n @ref GL::Texture::setCompareFunction() "*Texture::setCompareFunction()", \n @ref GL::Texture::setDepthStencilMode() "*Texture::setDepthStencilMode()"
@fn_gl{TexStorage1D}, \n `glTextureStorage1D()`, \n @fn_gl{TexStorage2D}, \n `glTextureStorage2D()`, \n @fn_gl{TexStorage3D}, \n `glTextureStorage3D()` | @ref GL::Texture::setStorage(), \n @ref GL::TextureArray::setStorage(), \n @ref GL::CubeMapTexture::setStorage(), \n @ref GL::CubeMapTextureArray::setStorage(), \n @ref GL::RectangleTexture::setStorage()
+@fn_gl_extension{TexStorageMem1D,EXT,external_objects}, \n @fn_gl_extension{TextureStorageMem1D,EXT,external_objects}, \n @fn_gl_extension{TexStorageMem2D,EXT,external_objects}, \n @fn_gl_extension{TextureStorageMem2D,EXT,external_objects}, \n @fn_gl_extension{TexStorageMem3D,EXT,external_objects}, \n @fn_gl_extension{TextureStorageMem3D,EXT,external_objects} | |
@fn_gl{TexStorage2DMultisample}, \n `glTextureStorage2DMultisample()`, \n @fn_gl{TexStorage3DMultisample}, \n `glTextureStorage3DMultisample()` | @ref GL::MultisampleTexture::setStorage()
+@fn_gl_extension{TexStorageMem2DMultisample,EXT,external_objects}, \n @fn_gl_extension{TextureStorageMem2DMultisample,EXT,external_objects}, \n @fn_gl_extension{TexStorageMem3DMultisample,EXT,external_objects}, \n @fn_gl_extension{TextureStorageMem3DMultisample,EXT,external_objects} | |
@fn_gl{TexSubImage1D}, \n `glTextureSubImage1D()`, \n @fn_gl{TexSubImage2D}, \n `glTextureSubImage2D()`, \n @fn_gl{TexSubImage3D}, \n `glTextureSubImage3D()` | @ref GL::Texture::setSubImage(), \n @ref GL::TextureArray::setSubImage(), \n @ref GL::CubeMapTexture::setSubImage(), \n @ref GL::CubeMapTextureArray::setSubImage(), \n @ref GL::RectangleTexture::setSubImage()
@fn_gl{TextureBarrier}                  | @ref GL::Renderer::setTextureBarrier()
@fn_gl{TextureView}                     | @ref GL::Texture::view(), \n @ref GL::TextureArray::view(), \n @ref GL::CubeMapTexture::view(), \n @ref GL::CubeMapTextureArray::view(), @ref GL::MultisampleTexture::view(), \n @ref GL::RectangleTexture::view()
@ -424,6 +441,7 @@ OpenGL function                         | Matching API

 OpenGL function                         | Matching API
 --------------------------------------- | ------------
+@fn_gl_extension{WaitSemaphore,EXT,external_objects} | |
@fn_gl{WaitSync}                        | |

@section opengl-mapping-state Limit and state queries
@ -449,6 +467,10 @@ glGet() parameter                       | Matching API
@def_gl{DEBUG_GROUP_STACK_DEPTH}        | |
@def_gl{DEPTH_FUNC}                     | not queryable, @ref GL::Renderer::setDepthFunction() setter only
@def_gl{DEPTH_RANGE}                    | not queryable
+@def_gl_extension{DEVICE_LUID,EXT,external_objects_win32} | |
+@def_gl_extension{DEVICE_NODE_MASK,EXT,external_objects_win32} | |
+@def_gl_extension{DEVICE_UUID,EXT,external_objects} | |
+@def_gl_extension{DRIVER_UUID,EXT,external_objects} | |
@def_gl{DOUBLEBUFFER}, \n @def_gl{STEREO} | |
@def_gl{DRAW_BUFFERi}, \n @def_gl{DRAW_BUFFER}, \n @def_gl{READ_BUFFER} | not queryable, @ref GL::DefaultFramebuffer::mapForDraw(), \n @ref GL::DefaultFramebuffer::mapForRead(), \n @ref GL::Framebuffer::mapForDraw() and \n @ref GL::Framebuffer::mapForRead() setters only
@def_gl{DRAW_FRAMEBUFFER_BINDING}, \n @def_gl{READ_FRAMEBUFFER_BINDING} | not queryable but tracked internally
@ -537,6 +559,7 @@ glGet() parameter                       | Matching API
@def_gl{MIN_PROGRAM_TEXEL_OFFSET}, \n @def_gl{MAX_PROGRAM_TEXEL_OFFSET} | @ref GL::AbstractShaderProgram::minTexelOffset(), \n @ref GL::AbstractShaderProgram::maxTexelOffset()
@def_gl{MIN_PROGRAM_TEXTURE_GATHER_OFFSET}, \n @def_gl{MAX_PROGRAM_TEXTURE_GATHER_OFFSET} | |
@def_gl{MIN_SAMPLE_SHADING_VALUE}       | |
+@def_gl_extension{NUM_DEVICE_UUIDS,EXT,external_objects} | |
@def_gl{NUM_EXTENSIONS}                 | @ref GL::Context::extensionStrings()
@def_gl{NUM_PROGRAM_BINARY_FORMATS}, \n @def_gl{PROGRAM_BINARY_FORMATS} | |
@def_gl{NUM_SHADER_BINARY_FORMATS}, \n @def_gl{SHADER_BINARY_FORMATS} | |
--- a/doc/opengl-support.dox
+++ b/doc/opengl-support.dox
@ -321,6 +321,12 @@ Extension                                   | Status
@gl_extension{EXT,shader_integer_mix}       | done (shading language only)
@gl_extension{EXT,debug_label}              | missing pipeline and sampler label
@gl_extension{EXT,debug_marker}             | done
+@gl_extension2{EXT,memory_object,EXT_external_objects} | |
+@gl_extension2{EXT,memory_object_fd,EXT_external_objects_fd} | |
+@gl_extension2{EXT,memory_object_win32,EXT_external_objects_win32} | |
+@gl_extension2{EXT,semaphore,EXT_external_objects} | |
+@gl_extension2{EXT,semaphore_fd,EXT_external_objects_fd} | |
+@gl_extension2{EXT,semaphore_win32,EXT_external_objects_win32} | |
@gl_extension{EXT,texture_sRGB_R8}          | done
@gl_extension{EXT,texture_sRGB_RG8}         | done
@gl_extension{GREMEDY,string_marker}        | done
@ -468,6 +474,9 @@ Extension                                   | Status
@gl_extension{EXT,multi_draw_arrays}        | done
@gl_extension{EXT,debug_label}              | see above
@gl_extension{EXT,debug_marker}             | done
+@gl_extension2{EXT,memory_object,EXT_external_objects} | |
+@gl_extension2{EXT,memory_object_fd,EXT_external_objects_fd} | |
+@gl_extension2{EXT,memory_object_win32,EXT_external_objects_win32} | |
@gl_extension2{EXT,separate_shader_objects,EXT_separate_shader_objects.gles} | only direct uniform binding
@gl_extension{EXT,multisampled_render_to_texture} | only renderbuffer storage
@gl_extension{EXT,robustness}               | done
@ -480,6 +489,7 @@ Extension                                   | Status
@gl_extension{EXT,shader_integer_mix}       | done (shading language only)
@gl_extension{EXT,texture_view}             | done
@gl_extension{EXT,draw_elements_base_vertex} | done
+@gl_extension{EXT,multi_draw_indirect} | |
@gl_extension{EXT,texture_norm16}           | done
@gl_extension{EXT,texture_sRGB_R8}          | done
@gl_extension{EXT,texture_sRGB_RG8}         | done
@ -487,6 +497,9 @@ Extension                                   | Status
@gl_extension{EXT,blend_func_extended}      | done
@gl_extension{EXT,polygon_offset_clamp}     | |
@gl_extension{EXT,clip_cull_distance}       | done
+@gl_extension2{EXT,semaphore,EXT_external_objects} | |
+@gl_extension2{EXT,semaphore_fd,EXT_external_objects_fd} | |
+@gl_extension2{EXT,semaphore_win32,EXT_external_objects_win32} | |
@gl_extension{EXT,texture_compression_rgtc} | done
@gl_extension{EXT,texture_compression_bptc} | done
@gl_extension{EXT,texture_compression_s3tc_srgb} | done
--- a/src/Magnum/GL/Context.cpp
+++ b/src/Magnum/GL/Context.cpp
@ -96,6 +96,18 @@ constexpr Extension ExtensionList[]{
    Extensions::ATI::texture_mirror_once{},
    Extensions::EXT::debug_label{},
    Extensions::EXT::debug_marker{},
+    Extensions::EXT::memory_object{},
+    #ifndef CORRADE_TARGET_WINDOWS
+    Extensions::EXT::memory_object_fd{},
+    #else
+    Extensions::EXT::memory_object_win32{},
+    #endif
+    Extensions::EXT::semaphore{},
+    #ifndef CORRADE_TARGET_WINDOWS
+    Extensions::EXT::semaphore_fd{},
+    #else
+    Extensions::EXT::semaphore_win32{},
+    #endif
    Extensions::EXT::shader_integer_mix{},
    Extensions::EXT::texture_compression_dxt1{},
    Extensions::EXT::texture_compression_s3tc{},
@ -396,13 +408,32 @@ constexpr Extension ExtensionList[]{
    Extensions::EXT::depth_clamp{},
    Extensions::EXT::disjoint_timer_query{},
    Extensions::EXT::draw_elements_base_vertex{},
+    #ifndef MAGNUM_TARGET_GLES2
+    Extensions::EXT::memory_object{},
+    #ifndef CORRADE_TARGET_WINDOWS
+    Extensions::EXT::memory_object_fd{},
+    #else
+    Extensions::EXT::memory_object_win32{},
+    #endif
+    #endif
    Extensions::EXT::multi_draw_arrays{},
+    #ifndef MAGNUM_TARGET_GLES2
+    Extensions::EXT::multi_draw_indirect{},
+    #endif
    Extensions::EXT::multisampled_render_to_texture{},
    Extensions::EXT::polygon_offset_clamp{},
    Extensions::EXT::pvrtc_sRGB{},
    Extensions::EXT::read_format_bgra{},
    Extensions::EXT::robustness{},
    Extensions::EXT::sRGB_write_control{},
+    #ifndef MAGNUM_TARGET_GLES2
+    Extensions::EXT::semaphore{},
+    #ifndef CORRADE_TARGET_WINDOWS
+    Extensions::EXT::semaphore_fd{},
+    #else
+    Extensions::EXT::semaphore_win32{},
+    #endif
+    #endif
    Extensions::EXT::separate_shader_objects{},
    Extensions::EXT::shader_framebuffer_fetch{},
    #ifndef MAGNUM_TARGET_GLES2
--- a/src/Magnum/GL/Extensions.h
+++ b/src/Magnum/GL/Extensions.h
@ -243,37 +243,47 @@ namespace AMD {
    _extension(153,EXT,shader_integer_mix,              GL300,  None) // #437
    _extension(154,EXT,debug_label,                     GL210,  None) // #439
    _extension(155,EXT,debug_marker,                    GL210,  None) // #440
-    _extension(156,EXT,texture_sRGB_R8,                 GL210,  None) // #534
-    _extension(157,EXT,texture_sRGB_RG8,                GL210,  None) // #555
+    _extension(156,EXT,memory_object,                   GL210,  None) // #503
+    _extension(157,EXT,semaphore,                       GL210,  None) // #503
+    /* These two pairs appear to be exclusive so they share the same indices */
+    #ifndef CORRADE_TARGET_WINDOWS
+    _extension(158,EXT,memory_object_fd,                GL210,  None) // #504
+    _extension(159,EXT,semaphore_fd,                    GL210,  None) // #504
+    #else
+    _extension(158,EXT,memory_object_win32,             GL210,  None) // #505
+    _extension(159,EXT,semaphore_win32,                 GL210,  None) // #505
+    #endif
+    _extension(160,EXT,texture_sRGB_R8,                 GL210,  None) // #534
+    _extension(161,EXT,texture_sRGB_RG8,                GL210,  None) // #555
 } namespace GREMEDY {
-    _extension(158,GREMEDY,string_marker,               GL210,  None) // #311
+    _extension(162,GREMEDY,string_marker,               GL210,  None) // #311
 } namespace INTEL {
-    _extension(159,INTEL,blackhole_render,              GL300,  None) // #521
+    _extension(163,INTEL,blackhole_render,              GL300,  None) // #521
 } namespace KHR {
-    _extension(160,KHR,texture_compression_astc_ldr,    GL210,  None) // #118
-    _extension(161,KHR,texture_compression_astc_hdr,    GL210,  None) // #118
-    _extension(162,KHR,debug,                           GL210, GL430) // #119
-    _extension(163,KHR,context_flush_control,           GL210, GL450) // #168
-    _extension(164,KHR,robust_buffer_access_behavior,   GL320,  None) // #169
-    _extension(165,KHR,robustness,                      GL320, GL450) // #170
-    _extension(166,KHR,blend_equation_advanced,         GL210,  None) // #174
-    _extension(167,KHR,blend_equation_advanced_coherent, GL210, None) // #174
-    _extension(168,KHR,no_error,                        GL210, GL460) // #175
-    _extension(169,KHR,texture_compression_astc_sliced_3d, GL210, None) // #189
-    _extension(170,KHR,parallel_shader_compile,         GL210,  None) // #192
+    _extension(170,KHR,texture_compression_astc_ldr,    GL210,  None) // #118
+    _extension(171,KHR,texture_compression_astc_hdr,    GL210,  None) // #118
+    _extension(172,KHR,debug,                           GL210, GL430) // #119
+    _extension(173,KHR,context_flush_control,           GL210, GL450) // #168
+    _extension(174,KHR,robust_buffer_access_behavior,   GL320,  None) // #169
+    _extension(175,KHR,robustness,                      GL320, GL450) // #170
+    _extension(176,KHR,blend_equation_advanced,         GL210,  None) // #174
+    _extension(177,KHR,blend_equation_advanced_coherent, GL210, None) // #174
+    _extension(178,KHR,no_error,                        GL210, GL460) // #175
+    _extension(179,KHR,texture_compression_astc_sliced_3d, GL210, None) // #189
+    _extension(180,KHR,parallel_shader_compile,         GL210,  None) // #192
 } namespace MAGNUM {
-    _extension(171,MAGNUM,shader_vertex_id,             GL300, GL300)
+    _extension(181,MAGNUM,shader_vertex_id,             GL300, GL300)
 } namespace NV {
-    _extension(175,NV,primitive_restart,                GL210, GL310) // #285
-    _extension(176,NV,depth_buffer_float,               GL210,  None) // #334
-    _extension(177,NV,conditional_render,               GL210, GL300) // #346
+    _extension(182,NV,primitive_restart,                GL210, GL310) // #285
+    _extension(183,NV,depth_buffer_float,               GL210,  None) // #334
+    _extension(184,NV,conditional_render,               GL210, GL300) // #346
    /* NV_draw_texture not supported */                               // #430
-    _extension(178,NV,geometry_shader_passthrough,      GL330,  None) // #470
-    _extension(179,NV,sample_locations,                 GL210,  None) // #472
-    _extension(180,NV,fragment_shader_barycentric,      GL450,  None) // #526
+    _extension(185,NV,geometry_shader_passthrough,      GL330,  None) // #470
+    _extension(186,NV,sample_locations,                 GL210,  None) // #472
+    _extension(187,NV,fragment_shader_barycentric,      GL450,  None) // #526
 } namespace OVR {
-    _extension(185,OVR,multiview,                       GL300,  None) // #478
-    _extension(186,OVR,multiview2,                      GL300,  None) // #479
+    _extension(188,OVR,multiview,                       GL300,  None) // #478
+    _extension(189,OVR,multiview2,                      GL300,  None) // #479
 }
 #elif defined(MAGNUM_TARGET_WEBGL)
 namespace ANGLE {
@ -517,24 +527,40 @@ namespace ANDROID {
    #endif
    _extension( 74,EXT,draw_elements_base_vertex,   GLES200,    None) // #204
    #ifndef MAGNUM_TARGET_GLES2
-    _extension( 75,EXT,texture_norm16,              GLES310,    None) // #207
-    _extension( 76,EXT,texture_sRGB_R8,             GLES300,    None) // #221
-    _extension( 77,EXT,texture_sRGB_RG8,            GLES300,    None) // #223
-    _extension( 78,EXT,buffer_storage,              GLES310,    None) // #239
+    _extension( 75,EXT,multi_draw_indirect,         GLES310,    None) // #205
+    _extension( 76,EXT,texture_norm16,              GLES310,    None) // #207
+    _extension( 77,EXT,texture_sRGB_R8,             GLES300,    None) // #221
+    _extension( 78,EXT,texture_sRGB_RG8,            GLES300,    None) // #223
+    _extension( 79,EXT,buffer_storage,              GLES310,    None) // #239
+    #endif
+    _extension( 80,EXT,blend_func_extended,         GLES200,    None) // #247
+    _extension( 81,EXT,polygon_offset_clamp,        GLES200,    None) // #252
+    #ifndef MAGNUM_TARGET_GLES2
+    _extension( 82,EXT,clip_cull_distance,          GLES300,    None) // #257
+    #endif
+    /* The extension says "Requires ARB_texture_storage or a version of OpenGL
+       or OpenGL ES that incorporates it." There's EXT_texture_storage on ES2,
+       however I don't think ES2 really matters today, so it's just ES3+. */
+    _extension( 83,EXT,memory_object,               GLES300,    None) // #280
+    _extension( 84,EXT,semaphore,                   GLES300,    None) // #280
+    /* These two pairs appear to be exclusive so they share the same indices */
+    #ifndef CORRADE_TARGET_WINDOWS
+    _extension( 85,EXT,memory_object_fd,            GLES300,    None) // #281
+    _extension( 86,EXT,semaphore_fd,                GLES300,    None) // #281
+    #else
+    _extension( 85,EXT,memory_object_win32,         GLES300,    None) // #282
+    _extension( 86,EXT,semaphore_win32,             GLES300,    None) // #282
    #endif
-    _extension( 79,EXT,blend_func_extended,         GLES200,    None) // #247
-    _extension( 80,EXT,polygon_offset_clamp,        GLES200,    None) // #252
    #ifndef MAGNUM_TARGET_GLES2
-    _extension( 81,EXT,clip_cull_distance,          GLES300,    None) // #257
-    _extension( 82,EXT,texture_compression_rgtc,    GLES300,    None) // #286
-    _extension( 83,EXT,texture_compression_bptc,    GLES300,    None) // #287
-    #endif
-    _extension( 84,EXT,texture_compression_s3tc_srgb, GLES200,  None) // #289
-    _extension( 85,EXT,clip_control,                GLES200,    None) // #290
-    _extension( 86,EXT,texture_mirror_clamp_to_edge, GLES200,   None) // #291
-    _extension( 87,EXT,depth_clamp,                 GLES200,    None) // #309
+    _extension( 87,EXT,texture_compression_rgtc,    GLES300,    None) // #286
+    _extension( 88,EXT,texture_compression_bptc,    GLES300,    None) // #287
+    #endif
+    _extension( 89,EXT,texture_compression_s3tc_srgb, GLES200,  None) // #289
+    _extension( 90,EXT,clip_control,                GLES200,    None) // #290
+    _extension( 91,EXT,texture_mirror_clamp_to_edge, GLES200,   None) // #291
+    _extension( 92,EXT,depth_clamp,                 GLES200,    None) // #309
 } namespace IMG {
-    _extension( 88,IMG,texture_compression_pvrtc,   GLES200,    None) // #54
+    _extension( 93,IMG,texture_compression_pvrtc,   GLES200,    None) // #54
 } namespace INTEL {
    _extension( 94,INTEL,blackhole_render,    /*?*/ GLES200,    None) // #300
 } namespace KHR {
--- a/src/MagnumExternal/OpenGL/GL/extensions.txt
+++ b/src/MagnumExternal/OpenGL/GL/extensions.txt
@ -33,6 +33,12 @@ extension EXT_texture_sRGB_decode               optional
 extension EXT_shader_integer_mix                optional
 extension EXT_debug_label                       optional
 extension EXT_debug_marker                      optional
+extension EXT_memory_object                     optional
+extension EXT_memory_object_fd                  optional
+extension EXT_memory_object_win32               optional
+extension EXT_semaphore                         optional
+extension EXT_semaphore_fd                      optional
+extension EXT_semaphore_win32                   optional
 extension EXT_texture_sRGB_R8                   optional
 extension EXT_texture_sRGB_RG8                  optional
 extension GREMEDY_string_marker                 optional
--- a/src/MagnumExternal/OpenGL/GL/flextGL.cpp
+++ b/src/MagnumExternal/OpenGL/GL/flextGL.cpp
@ -217,6 +217,50 @@ FlextGL flextGL{
    nullptr,
    nullptr,

+    /* GL_EXT_memory_object */
+    nullptr,
+    nullptr,
+    nullptr,
+    nullptr,
+    nullptr,
+    nullptr,
+    nullptr,
+    nullptr,
+    nullptr,
+    nullptr,
+    nullptr,
+    nullptr,
+    nullptr,
+    nullptr,
+    nullptr,
+    nullptr,
+    nullptr,
+    nullptr,
+    nullptr,
+
+    /* GL_EXT_memory_object_fd */
+    nullptr,
+
+    /* GL_EXT_memory_object_win32 */
+    nullptr,
+    nullptr,
+
+    /* GL_EXT_semaphore */
+    nullptr,
+    nullptr,
+    nullptr,
+    nullptr,
+    nullptr,
+    nullptr,
+    nullptr,
+
+    /* GL_EXT_semaphore_fd */
+    nullptr,
+
+    /* GL_EXT_semaphore_win32 */
+    nullptr,
+    nullptr,
+
    /* GL_GREMEDY_string_marker */
    nullptr,

--- a/src/MagnumExternal/OpenGL/GL/flextGL.h
+++ b/src/MagnumExternal/OpenGL/GL/flextGL.h
@ -1713,6 +1713,66 @@ typedef void (APIENTRY *GLDEBUGPROC)(GLenum source,GLenum type,GLuint id,GLenum
 #define GL_SAMPLER 0x82E6
 #define GL_TRANSFORM_FEEDBACK 0x8E22

+/* GL_EXT_memory_object */
+
+#define GL_TEXTURE_TILING_EXT 0x9580
+#define GL_DEDICATED_MEMORY_OBJECT_EXT 0x9581
+#define GL_PROTECTED_MEMORY_OBJECT_EXT 0x959B
+#define GL_NUM_TILING_TYPES_EXT 0x9582
+#define GL_TILING_TYPES_EXT 0x9583
+#define GL_OPTIMAL_TILING_EXT 0x9584
+#define GL_LINEAR_TILING_EXT 0x9585
+#define GL_NUM_DEVICE_UUIDS_EXT 0x9596
+#define GL_DEVICE_UUID_EXT 0x9597
+#define GL_DRIVER_UUID_EXT 0x9598
+#define GL_UUID_SIZE_EXT 16
+
+/* GL_EXT_memory_object_fd */
+
+#define GL_HANDLE_TYPE_OPAQUE_FD_EXT 0x9586
+
+/* GL_EXT_memory_object_win32 */
+
+#define GL_HANDLE_TYPE_OPAQUE_WIN32_EXT 0x9587
+#define GL_HANDLE_TYPE_OPAQUE_WIN32_KMT_EXT 0x9588
+#define GL_DEVICE_LUID_EXT 0x9599
+#define GL_DEVICE_NODE_MASK_EXT 0x959A
+#define GL_LUID_SIZE_EXT 8
+#define GL_HANDLE_TYPE_D3D12_TILEPOOL_EXT 0x9589
+#define GL_HANDLE_TYPE_D3D12_RESOURCE_EXT 0x958A
+#define GL_HANDLE_TYPE_D3D11_IMAGE_EXT 0x958B
+#define GL_HANDLE_TYPE_D3D11_IMAGE_KMT_EXT 0x958C
+
+/* GL_EXT_semaphore */
+
+#define GL_NUM_DEVICE_UUIDS_EXT 0x9596
+#define GL_DEVICE_UUID_EXT 0x9597
+#define GL_DRIVER_UUID_EXT 0x9598
+#define GL_UUID_SIZE_EXT 16
+#define GL_LAYOUT_GENERAL_EXT 0x958D
+#define GL_LAYOUT_COLOR_ATTACHMENT_EXT 0x958E
+#define GL_LAYOUT_DEPTH_STENCIL_ATTACHMENT_EXT 0x958F
+#define GL_LAYOUT_DEPTH_STENCIL_READ_ONLY_EXT 0x9590
+#define GL_LAYOUT_SHADER_READ_ONLY_EXT 0x9591
+#define GL_LAYOUT_TRANSFER_SRC_EXT 0x9592
+#define GL_LAYOUT_TRANSFER_DST_EXT 0x9593
+#define GL_LAYOUT_DEPTH_READ_ONLY_STENCIL_ATTACHMENT_EXT 0x9530
+#define GL_LAYOUT_DEPTH_ATTACHMENT_STENCIL_READ_ONLY_EXT 0x9531
+
+/* GL_EXT_semaphore_fd */
+
+#define GL_HANDLE_TYPE_OPAQUE_FD_EXT 0x9586
+
+/* GL_EXT_semaphore_win32 */
+
+#define GL_HANDLE_TYPE_OPAQUE_WIN32_EXT 0x9587
+#define GL_HANDLE_TYPE_OPAQUE_WIN32_KMT_EXT 0x9588
+#define GL_DEVICE_LUID_EXT 0x9599
+#define GL_DEVICE_NODE_MASK_EXT 0x959A
+#define GL_LUID_SIZE_EXT 8
+#define GL_HANDLE_TYPE_D3D12_FENCE_EXT 0x9594
+#define GL_D3D12_FENCE_VALUE_EXT 0x9595
+
 /* GL_EXT_texture_sRGB_R8 */

 #define GL_SR8_EXT 0x8FBD
@ -1885,6 +1945,56 @@ struct FlextGL {
    void(APIENTRY *PopGroupMarkerEXT)(void);
    void(APIENTRY *PushGroupMarkerEXT)(GLsizei, const GLchar *);

+    /* GL_EXT_memory_object */
+
+    void(APIENTRY *BufferStorageMemEXT)(GLenum, GLsizeiptr, GLuint, GLuint64);
+    void(APIENTRY *CreateMemoryObjectsEXT)(GLsizei, GLuint *);
+    void(APIENTRY *DeleteMemoryObjectsEXT)(GLsizei, const GLuint *);
+    void(APIENTRY *GetMemoryObjectParameterivEXT)(GLuint, GLenum, GLint *);
+    void(APIENTRY *GetUnsignedBytei_vEXT)(GLenum, GLuint, GLubyte *);
+    void(APIENTRY *GetUnsignedBytevEXT)(GLenum, GLubyte *);
+    GLboolean(APIENTRY *IsMemoryObjectEXT)(GLuint);
+    void(APIENTRY *MemoryObjectParameterivEXT)(GLuint, GLenum, const GLint *);
+    void(APIENTRY *NamedBufferStorageMemEXT)(GLuint, GLsizeiptr, GLuint, GLuint64);
+    void(APIENTRY *TexStorageMem1DEXT)(GLenum, GLsizei, GLenum, GLsizei, GLuint, GLuint64);
+    void(APIENTRY *TexStorageMem2DEXT)(GLenum, GLsizei, GLenum, GLsizei, GLsizei, GLuint, GLuint64);
+    void(APIENTRY *TexStorageMem2DMultisampleEXT)(GLenum, GLsizei, GLenum, GLsizei, GLsizei, GLboolean, GLuint, GLuint64);
+    void(APIENTRY *TexStorageMem3DEXT)(GLenum, GLsizei, GLenum, GLsizei, GLsizei, GLsizei, GLuint, GLuint64);
+    void(APIENTRY *TexStorageMem3DMultisampleEXT)(GLenum, GLsizei, GLenum, GLsizei, GLsizei, GLsizei, GLboolean, GLuint, GLuint64);
+    void(APIENTRY *TextureStorageMem1DEXT)(GLuint, GLsizei, GLenum, GLsizei, GLuint, GLuint64);
+    void(APIENTRY *TextureStorageMem2DEXT)(GLuint, GLsizei, GLenum, GLsizei, GLsizei, GLuint, GLuint64);
+    void(APIENTRY *TextureStorageMem2DMultisampleEXT)(GLuint, GLsizei, GLenum, GLsizei, GLsizei, GLboolean, GLuint, GLuint64);
+    void(APIENTRY *TextureStorageMem3DEXT)(GLuint, GLsizei, GLenum, GLsizei, GLsizei, GLsizei, GLuint, GLuint64);
+    void(APIENTRY *TextureStorageMem3DMultisampleEXT)(GLuint, GLsizei, GLenum, GLsizei, GLsizei, GLsizei, GLboolean, GLuint, GLuint64);
+
+    /* GL_EXT_memory_object_fd */
+
+    void(APIENTRY *ImportMemoryFdEXT)(GLuint, GLuint64, GLenum, GLint);
+
+    /* GL_EXT_memory_object_win32 */
+
+    void(APIENTRY *ImportMemoryWin32HandleEXT)(GLuint, GLuint64, GLenum, void *);
+    void(APIENTRY *ImportMemoryWin32NameEXT)(GLuint, GLuint64, GLenum, const void *);
+
+    /* GL_EXT_semaphore */
+
+    void(APIENTRY *DeleteSemaphoresEXT)(GLsizei, const GLuint *);
+    void(APIENTRY *GenSemaphoresEXT)(GLsizei, GLuint *);
+    void(APIENTRY *GetSemaphoreParameterui64vEXT)(GLuint, GLenum, GLuint64 *);
+    GLboolean(APIENTRY *IsSemaphoreEXT)(GLuint);
+    void(APIENTRY *SemaphoreParameterui64vEXT)(GLuint, GLenum, const GLuint64 *);
+    void(APIENTRY *SignalSemaphoreEXT)(GLuint, GLuint, const GLuint *, GLuint, const GLuint *, const GLenum *);
+    void(APIENTRY *WaitSemaphoreEXT)(GLuint, GLuint, const GLuint *, GLuint, const GLuint *, const GLenum *);
+
+    /* GL_EXT_semaphore_fd */
+
+    void(APIENTRY *ImportSemaphoreFdEXT)(GLuint, GLenum, GLint);
+
+    /* GL_EXT_semaphore_win32 */
+
+    void(APIENTRY *ImportSemaphoreWin32HandleEXT)(GLuint, GLenum, void *);
+    void(APIENTRY *ImportSemaphoreWin32NameEXT)(GLuint, GLenum, const void *);
+
    /* GL_GREMEDY_string_marker */

    void(APIENTRY *StringMarkerGREMEDY)(GLsizei, const void *);
@ -2699,6 +2809,56 @@ extern FLEXTGL_EXPORT FlextGL flextGL;
 #define glPopGroupMarkerEXT flextGL.PopGroupMarkerEXT
 #define glPushGroupMarkerEXT flextGL.PushGroupMarkerEXT

+/* GL_EXT_memory_object */
+
+#define glBufferStorageMemEXT flextGL.BufferStorageMemEXT
+#define glCreateMemoryObjectsEXT flextGL.CreateMemoryObjectsEXT
+#define glDeleteMemoryObjectsEXT flextGL.DeleteMemoryObjectsEXT
+#define glGetMemoryObjectParameterivEXT flextGL.GetMemoryObjectParameterivEXT
+#define glGetUnsignedBytei_vEXT flextGL.GetUnsignedBytei_vEXT
+#define glGetUnsignedBytevEXT flextGL.GetUnsignedBytevEXT
+#define glIsMemoryObjectEXT flextGL.IsMemoryObjectEXT
+#define glMemoryObjectParameterivEXT flextGL.MemoryObjectParameterivEXT
+#define glNamedBufferStorageMemEXT flextGL.NamedBufferStorageMemEXT
+#define glTexStorageMem1DEXT flextGL.TexStorageMem1DEXT
+#define glTexStorageMem2DEXT flextGL.TexStorageMem2DEXT
+#define glTexStorageMem2DMultisampleEXT flextGL.TexStorageMem2DMultisampleEXT
+#define glTexStorageMem3DEXT flextGL.TexStorageMem3DEXT
+#define glTexStorageMem3DMultisampleEXT flextGL.TexStorageMem3DMultisampleEXT
+#define glTextureStorageMem1DEXT flextGL.TextureStorageMem1DEXT
+#define glTextureStorageMem2DEXT flextGL.TextureStorageMem2DEXT
+#define glTextureStorageMem2DMultisampleEXT flextGL.TextureStorageMem2DMultisampleEXT
+#define glTextureStorageMem3DEXT flextGL.TextureStorageMem3DEXT
+#define glTextureStorageMem3DMultisampleEXT flextGL.TextureStorageMem3DMultisampleEXT
+
+/* GL_EXT_memory_object_fd */
+
+#define glImportMemoryFdEXT flextGL.ImportMemoryFdEXT
+
+/* GL_EXT_memory_object_win32 */
+
+#define glImportMemoryWin32HandleEXT flextGL.ImportMemoryWin32HandleEXT
+#define glImportMemoryWin32NameEXT flextGL.ImportMemoryWin32NameEXT
+
+/* GL_EXT_semaphore */
+
+#define glDeleteSemaphoresEXT flextGL.DeleteSemaphoresEXT
+#define glGenSemaphoresEXT flextGL.GenSemaphoresEXT
+#define glGetSemaphoreParameterui64vEXT flextGL.GetSemaphoreParameterui64vEXT
+#define glIsSemaphoreEXT flextGL.IsSemaphoreEXT
+#define glSemaphoreParameterui64vEXT flextGL.SemaphoreParameterui64vEXT
+#define glSignalSemaphoreEXT flextGL.SignalSemaphoreEXT
+#define glWaitSemaphoreEXT flextGL.WaitSemaphoreEXT
+
+/* GL_EXT_semaphore_fd */
+
+#define glImportSemaphoreFdEXT flextGL.ImportSemaphoreFdEXT
+
+/* GL_EXT_semaphore_win32 */
+
+#define glImportSemaphoreWin32HandleEXT flextGL.ImportSemaphoreWin32HandleEXT
+#define glImportSemaphoreWin32NameEXT flextGL.ImportSemaphoreWin32NameEXT
+
 /* GL_GREMEDY_string_marker */

 #define glStringMarkerGREMEDY flextGL.StringMarkerGREMEDY
--- a/src/MagnumExternal/OpenGL/GL/flextGLPlatform.cpp
+++ b/src/MagnumExternal/OpenGL/GL/flextGLPlatform.cpp
@ -181,6 +181,50 @@ void flextGLInit(Magnum::GL::Context& context) {
    flextGL.PopGroupMarkerEXT = reinterpret_cast<void(APIENTRY*)(void)>(loader.load("glPopGroupMarkerEXT"));
    flextGL.PushGroupMarkerEXT = reinterpret_cast<void(APIENTRY*)(GLsizei, const GLchar *)>(loader.load("glPushGroupMarkerEXT"));

+    /* GL_EXT_memory_object */
+    flextGL.BufferStorageMemEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLsizeiptr, GLuint, GLuint64)>(loader.load("glBufferStorageMemEXT"));
+    flextGL.CreateMemoryObjectsEXT = reinterpret_cast<void(APIENTRY*)(GLsizei, GLuint *)>(loader.load("glCreateMemoryObjectsEXT"));
+    flextGL.DeleteMemoryObjectsEXT = reinterpret_cast<void(APIENTRY*)(GLsizei, const GLuint *)>(loader.load("glDeleteMemoryObjectsEXT"));
+    flextGL.GetMemoryObjectParameterivEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum, GLint *)>(loader.load("glGetMemoryObjectParameterivEXT"));
+    flextGL.GetUnsignedBytei_vEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLuint, GLubyte *)>(loader.load("glGetUnsignedBytei_vEXT"));
+    flextGL.GetUnsignedBytevEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLubyte *)>(loader.load("glGetUnsignedBytevEXT"));
+    flextGL.IsMemoryObjectEXT = reinterpret_cast<GLboolean(APIENTRY*)(GLuint)>(loader.load("glIsMemoryObjectEXT"));
+    flextGL.MemoryObjectParameterivEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum, const GLint *)>(loader.load("glMemoryObjectParameterivEXT"));
+    flextGL.NamedBufferStorageMemEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLsizeiptr, GLuint, GLuint64)>(loader.load("glNamedBufferStorageMemEXT"));
+    flextGL.TexStorageMem1DEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLsizei, GLenum, GLsizei, GLuint, GLuint64)>(loader.load("glTexStorageMem1DEXT"));
+    flextGL.TexStorageMem2DEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLsizei, GLenum, GLsizei, GLsizei, GLuint, GLuint64)>(loader.load("glTexStorageMem2DEXT"));
+    flextGL.TexStorageMem2DMultisampleEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLsizei, GLenum, GLsizei, GLsizei, GLboolean, GLuint, GLuint64)>(loader.load("glTexStorageMem2DMultisampleEXT"));
+    flextGL.TexStorageMem3DEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLsizei, GLenum, GLsizei, GLsizei, GLsizei, GLuint, GLuint64)>(loader.load("glTexStorageMem3DEXT"));
+    flextGL.TexStorageMem3DMultisampleEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLsizei, GLenum, GLsizei, GLsizei, GLsizei, GLboolean, GLuint, GLuint64)>(loader.load("glTexStorageMem3DMultisampleEXT"));
+    flextGL.TextureStorageMem1DEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLsizei, GLenum, GLsizei, GLuint, GLuint64)>(loader.load("glTextureStorageMem1DEXT"));
+    flextGL.TextureStorageMem2DEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLsizei, GLenum, GLsizei, GLsizei, GLuint, GLuint64)>(loader.load("glTextureStorageMem2DEXT"));
+    flextGL.TextureStorageMem2DMultisampleEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLsizei, GLenum, GLsizei, GLsizei, GLboolean, GLuint, GLuint64)>(loader.load("glTextureStorageMem2DMultisampleEXT"));
+    flextGL.TextureStorageMem3DEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLsizei, GLenum, GLsizei, GLsizei, GLsizei, GLuint, GLuint64)>(loader.load("glTextureStorageMem3DEXT"));
+    flextGL.TextureStorageMem3DMultisampleEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLsizei, GLenum, GLsizei, GLsizei, GLsizei, GLboolean, GLuint, GLuint64)>(loader.load("glTextureStorageMem3DMultisampleEXT"));
+
+    /* GL_EXT_memory_object_fd */
+    flextGL.ImportMemoryFdEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLuint64, GLenum, GLint)>(loader.load("glImportMemoryFdEXT"));
+
+    /* GL_EXT_memory_object_win32 */
+    flextGL.ImportMemoryWin32HandleEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLuint64, GLenum, void *)>(loader.load("glImportMemoryWin32HandleEXT"));
+    flextGL.ImportMemoryWin32NameEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLuint64, GLenum, const void *)>(loader.load("glImportMemoryWin32NameEXT"));
+
+    /* GL_EXT_semaphore */
+    flextGL.DeleteSemaphoresEXT = reinterpret_cast<void(APIENTRY*)(GLsizei, const GLuint *)>(loader.load("glDeleteSemaphoresEXT"));
+    flextGL.GenSemaphoresEXT = reinterpret_cast<void(APIENTRY*)(GLsizei, GLuint *)>(loader.load("glGenSemaphoresEXT"));
+    flextGL.GetSemaphoreParameterui64vEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum, GLuint64 *)>(loader.load("glGetSemaphoreParameterui64vEXT"));
+    flextGL.IsSemaphoreEXT = reinterpret_cast<GLboolean(APIENTRY*)(GLuint)>(loader.load("glIsSemaphoreEXT"));
+    flextGL.SemaphoreParameterui64vEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum, const GLuint64 *)>(loader.load("glSemaphoreParameterui64vEXT"));
+    flextGL.SignalSemaphoreEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLuint, const GLuint *, GLuint, const GLuint *, const GLenum *)>(loader.load("glSignalSemaphoreEXT"));
+    flextGL.WaitSemaphoreEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLuint, const GLuint *, GLuint, const GLuint *, const GLenum *)>(loader.load("glWaitSemaphoreEXT"));
+
+    /* GL_EXT_semaphore_fd */
+    flextGL.ImportSemaphoreFdEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum, GLint)>(loader.load("glImportSemaphoreFdEXT"));
+
+    /* GL_EXT_semaphore_win32 */
+    flextGL.ImportSemaphoreWin32HandleEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum, void *)>(loader.load("glImportSemaphoreWin32HandleEXT"));
+    flextGL.ImportSemaphoreWin32NameEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum, const void *)>(loader.load("glImportSemaphoreWin32NameEXT"));
+
    /* GL_GREMEDY_string_marker */
    flextGL.StringMarkerGREMEDY = reinterpret_cast<void(APIENTRY*)(GLsizei, const void *)>(loader.load("glStringMarkerGREMEDY"));

--- a/src/MagnumExternal/OpenGL/GLES3/extensions.txt
+++ b/src/MagnumExternal/OpenGL/GLES3/extensions.txt
@ -61,6 +61,10 @@ extension EXT_texture_compression_s3tc              optional
 extension EXT_pvrtc_sRGB                            optional
 extension EXT_shader_integer_mix                    optional
 extension EXT_draw_elements_base_vertex             optional
+extension EXT_memory_object                         optional
+extension EXT_memory_object_fd                      optional
+extension EXT_memory_object_win32                   optional
+extension EXT_multi_draw_indirect                   optional
 extension EXT_texture_norm16                        optional
 extension EXT_texture_sRGB_R8                       optional
 extension EXT_texture_sRGB_RG8                      optional
@ -68,6 +72,9 @@ extension EXT_buffer_storage                        optional
 extension EXT_blend_func_extended                   optional
 extension EXT_polygon_offset_clamp                  optional
 extension EXT_clip_cull_distance                    optional
+extension EXT_semaphore                             optional
+extension EXT_semaphore_fd                          optional
+extension EXT_semaphore_win32                       optional
 extension EXT_texture_compression_rgtc              optional
 extension EXT_texture_compression_bptc              optional
 extension EXT_texture_compression_s3tc_srgb         optional
--- a/src/MagnumExternal/OpenGL/GLES3/flextGL.h
+++ b/src/MagnumExternal/OpenGL/GLES3/flextGL.h
@ -1572,6 +1572,36 @@ typedef void (APIENTRY *GLDEBUGPROCKHR)(GLenum source,GLenum type,GLuint id,GLen
 #define GL_COMPRESSED_SRGB_ALPHA_PVRTC_2BPPV2_IMG 0x93F0
 #define GL_COMPRESSED_SRGB_ALPHA_PVRTC_4BPPV2_IMG 0x93F1

+/* GL_EXT_memory_object */
+
+#define GL_TEXTURE_TILING_EXT 0x9580
+#define GL_DEDICATED_MEMORY_OBJECT_EXT 0x9581
+#define GL_PROTECTED_MEMORY_OBJECT_EXT 0x959B
+#define GL_NUM_TILING_TYPES_EXT 0x9582
+#define GL_TILING_TYPES_EXT 0x9583
+#define GL_OPTIMAL_TILING_EXT 0x9584
+#define GL_LINEAR_TILING_EXT 0x9585
+#define GL_NUM_DEVICE_UUIDS_EXT 0x9596
+#define GL_DEVICE_UUID_EXT 0x9597
+#define GL_DRIVER_UUID_EXT 0x9598
+#define GL_UUID_SIZE_EXT 16
+
+/* GL_EXT_memory_object_fd */
+
+#define GL_HANDLE_TYPE_OPAQUE_FD_EXT 0x9586
+
+/* GL_EXT_memory_object_win32 */
+
+#define GL_HANDLE_TYPE_OPAQUE_WIN32_EXT 0x9587
+#define GL_HANDLE_TYPE_OPAQUE_WIN32_KMT_EXT 0x9588
+#define GL_DEVICE_LUID_EXT 0x9599
+#define GL_DEVICE_NODE_MASK_EXT 0x959A
+#define GL_LUID_SIZE_EXT 8
+#define GL_HANDLE_TYPE_D3D12_TILEPOOL_EXT 0x9589
+#define GL_HANDLE_TYPE_D3D12_RESOURCE_EXT 0x958A
+#define GL_HANDLE_TYPE_D3D11_IMAGE_EXT 0x958B
+#define GL_HANDLE_TYPE_D3D11_IMAGE_KMT_EXT 0x958C
+
 /* GL_EXT_texture_norm16 */

 #define GL_R16_EXT 0x822A
@ -1631,6 +1661,36 @@ typedef void (APIENTRY *GLDEBUGPROCKHR)(GLenum source,GLenum type,GLuint id,GLen
 #define GL_CLIP_DISTANCE6_EXT 0x3006
 #define GL_CLIP_DISTANCE7_EXT 0x3007

+/* GL_EXT_semaphore */
+
+#define GL_NUM_DEVICE_UUIDS_EXT 0x9596
+#define GL_DEVICE_UUID_EXT 0x9597
+#define GL_DRIVER_UUID_EXT 0x9598
+#define GL_UUID_SIZE_EXT 16
+#define GL_LAYOUT_GENERAL_EXT 0x958D
+#define GL_LAYOUT_COLOR_ATTACHMENT_EXT 0x958E
+#define GL_LAYOUT_DEPTH_STENCIL_ATTACHMENT_EXT 0x958F
+#define GL_LAYOUT_DEPTH_STENCIL_READ_ONLY_EXT 0x9590
+#define GL_LAYOUT_SHADER_READ_ONLY_EXT 0x9591
+#define GL_LAYOUT_TRANSFER_SRC_EXT 0x9592
+#define GL_LAYOUT_TRANSFER_DST_EXT 0x9593
+#define GL_LAYOUT_DEPTH_READ_ONLY_STENCIL_ATTACHMENT_EXT 0x9530
+#define GL_LAYOUT_DEPTH_ATTACHMENT_STENCIL_READ_ONLY_EXT 0x9531
+
+/* GL_EXT_semaphore_fd */
+
+#define GL_HANDLE_TYPE_OPAQUE_FD_EXT 0x9586
+
+/* GL_EXT_semaphore_win32 */
+
+#define GL_HANDLE_TYPE_OPAQUE_WIN32_EXT 0x9587
+#define GL_HANDLE_TYPE_OPAQUE_WIN32_KMT_EXT 0x9588
+#define GL_DEVICE_LUID_EXT 0x9599
+#define GL_DEVICE_NODE_MASK_EXT 0x959A
+#define GL_LUID_SIZE_EXT 8
+#define GL_HANDLE_TYPE_D3D12_FENCE_EXT 0x9594
+#define GL_D3D12_FENCE_VALUE_EXT 0x9595
+
 /* GL_EXT_texture_compression_rgtc */

 #define GL_COMPRESSED_RED_RGTC1_EXT 0x8DBB
@ -2229,11 +2289,45 @@ struct FlextGL {

    void(APIENTRY *FramebufferTextureEXT)(GLenum, GLenum, GLuint, GLint);

+    /* GL_EXT_memory_object */
+
+    void(APIENTRY *BufferStorageMemEXT)(GLenum, GLsizeiptr, GLuint, GLuint64);
+    void(APIENTRY *CreateMemoryObjectsEXT)(GLsizei, GLuint *);
+    void(APIENTRY *DeleteMemoryObjectsEXT)(GLsizei, const GLuint *);
+    void(APIENTRY *GetMemoryObjectParameterivEXT)(GLuint, GLenum, GLint *);
+    void(APIENTRY *GetUnsignedBytei_vEXT)(GLenum, GLuint, GLubyte *);
+    void(APIENTRY *GetUnsignedBytevEXT)(GLenum, GLubyte *);
+    GLboolean(APIENTRY *IsMemoryObjectEXT)(GLuint);
+    void(APIENTRY *MemoryObjectParameterivEXT)(GLuint, GLenum, const GLint *);
+    void(APIENTRY *NamedBufferStorageMemEXT)(GLuint, GLsizeiptr, GLuint, GLuint64);
+    void(APIENTRY *TexStorageMem2DEXT)(GLenum, GLsizei, GLenum, GLsizei, GLsizei, GLuint, GLuint64);
+    void(APIENTRY *TexStorageMem2DMultisampleEXT)(GLenum, GLsizei, GLenum, GLsizei, GLsizei, GLboolean, GLuint, GLuint64);
+    void(APIENTRY *TexStorageMem3DEXT)(GLenum, GLsizei, GLenum, GLsizei, GLsizei, GLsizei, GLuint, GLuint64);
+    void(APIENTRY *TexStorageMem3DMultisampleEXT)(GLenum, GLsizei, GLenum, GLsizei, GLsizei, GLsizei, GLboolean, GLuint, GLuint64);
+    void(APIENTRY *TextureStorageMem2DEXT)(GLuint, GLsizei, GLenum, GLsizei, GLsizei, GLuint, GLuint64);
+    void(APIENTRY *TextureStorageMem2DMultisampleEXT)(GLuint, GLsizei, GLenum, GLsizei, GLsizei, GLboolean, GLuint, GLuint64);
+    void(APIENTRY *TextureStorageMem3DEXT)(GLuint, GLsizei, GLenum, GLsizei, GLsizei, GLsizei, GLuint, GLuint64);
+    void(APIENTRY *TextureStorageMem3DMultisampleEXT)(GLuint, GLsizei, GLenum, GLsizei, GLsizei, GLsizei, GLboolean, GLuint, GLuint64);
+
+    /* GL_EXT_memory_object_fd */
+
+    void(APIENTRY *ImportMemoryFdEXT)(GLuint, GLuint64, GLenum, GLint);
+
+    /* GL_EXT_memory_object_win32 */
+
+    void(APIENTRY *ImportMemoryWin32HandleEXT)(GLuint, GLuint64, GLenum, void *);
+    void(APIENTRY *ImportMemoryWin32NameEXT)(GLuint, GLuint64, GLenum, const void *);
+
    /* GL_EXT_multi_draw_arrays */

    void(APIENTRY *MultiDrawArraysEXT)(GLenum, const GLint *, const GLsizei *, GLsizei);
    void(APIENTRY *MultiDrawElementsEXT)(GLenum, const GLsizei *, GLenum, const void *const*, GLsizei);

+    /* GL_EXT_multi_draw_indirect */
+
+    void(APIENTRY *MultiDrawArraysIndirectEXT)(GLenum, const void *, GLsizei, GLsizei);
+    void(APIENTRY *MultiDrawElementsIndirectEXT)(GLenum, GLenum, const void *, GLsizei, GLsizei);
+
    /* GL_EXT_multisampled_render_to_texture */

    void(APIENTRY *FramebufferTexture2DMultisampleEXT)(GLenum, GLenum, GLenum, GLuint, GLint, GLsizei);
@ -2254,6 +2348,25 @@ struct FlextGL {
    void(APIENTRY *GetnUniformivEXT)(GLuint, GLint, GLsizei, GLint *);
    void(APIENTRY *ReadnPixelsEXT)(GLint, GLint, GLsizei, GLsizei, GLenum, GLenum, GLsizei, void *);

+    /* GL_EXT_semaphore */
+
+    void(APIENTRY *DeleteSemaphoresEXT)(GLsizei, const GLuint *);
+    void(APIENTRY *GenSemaphoresEXT)(GLsizei, GLuint *);
+    void(APIENTRY *GetSemaphoreParameterui64vEXT)(GLuint, GLenum, GLuint64 *);
+    GLboolean(APIENTRY *IsSemaphoreEXT)(GLuint);
+    void(APIENTRY *SemaphoreParameterui64vEXT)(GLuint, GLenum, const GLuint64 *);
+    void(APIENTRY *SignalSemaphoreEXT)(GLuint, GLuint, const GLuint *, GLuint, const GLuint *, const GLenum *);
+    void(APIENTRY *WaitSemaphoreEXT)(GLuint, GLuint, const GLuint *, GLuint, const GLuint *, const GLenum *);
+
+    /* GL_EXT_semaphore_fd */
+
+    void(APIENTRY *ImportSemaphoreFdEXT)(GLuint, GLenum, GLint);
+
+    /* GL_EXT_semaphore_win32 */
+
+    void(APIENTRY *ImportSemaphoreWin32HandleEXT)(GLuint, GLenum, void *);
+    void(APIENTRY *ImportSemaphoreWin32NameEXT)(GLuint, GLenum, const void *);
+
    /* GL_EXT_separate_shader_objects */

    void(APIENTRY *ActiveShaderProgramEXT)(GLuint, GLuint);
@ -2604,11 +2717,45 @@ extern FLEXTGL_EXPORT FlextGL flextGL;

 #define glFramebufferTextureEXT flextGL.FramebufferTextureEXT

+/* GL_EXT_memory_object */
+
+#define glBufferStorageMemEXT flextGL.BufferStorageMemEXT
+#define glCreateMemoryObjectsEXT flextGL.CreateMemoryObjectsEXT
+#define glDeleteMemoryObjectsEXT flextGL.DeleteMemoryObjectsEXT
+#define glGetMemoryObjectParameterivEXT flextGL.GetMemoryObjectParameterivEXT
+#define glGetUnsignedBytei_vEXT flextGL.GetUnsignedBytei_vEXT
+#define glGetUnsignedBytevEXT flextGL.GetUnsignedBytevEXT
+#define glIsMemoryObjectEXT flextGL.IsMemoryObjectEXT
+#define glMemoryObjectParameterivEXT flextGL.MemoryObjectParameterivEXT
+#define glNamedBufferStorageMemEXT flextGL.NamedBufferStorageMemEXT
+#define glTexStorageMem2DEXT flextGL.TexStorageMem2DEXT
+#define glTexStorageMem2DMultisampleEXT flextGL.TexStorageMem2DMultisampleEXT
+#define glTexStorageMem3DEXT flextGL.TexStorageMem3DEXT
+#define glTexStorageMem3DMultisampleEXT flextGL.TexStorageMem3DMultisampleEXT
+#define glTextureStorageMem2DEXT flextGL.TextureStorageMem2DEXT
+#define glTextureStorageMem2DMultisampleEXT flextGL.TextureStorageMem2DMultisampleEXT
+#define glTextureStorageMem3DEXT flextGL.TextureStorageMem3DEXT
+#define glTextureStorageMem3DMultisampleEXT flextGL.TextureStorageMem3DMultisampleEXT
+
+/* GL_EXT_memory_object_fd */
+
+#define glImportMemoryFdEXT flextGL.ImportMemoryFdEXT
+
+/* GL_EXT_memory_object_win32 */
+
+#define glImportMemoryWin32HandleEXT flextGL.ImportMemoryWin32HandleEXT
+#define glImportMemoryWin32NameEXT flextGL.ImportMemoryWin32NameEXT
+
 /* GL_EXT_multi_draw_arrays */

 #define glMultiDrawArraysEXT flextGL.MultiDrawArraysEXT
 #define glMultiDrawElementsEXT flextGL.MultiDrawElementsEXT

+/* GL_EXT_multi_draw_indirect */
+
+#define glMultiDrawArraysIndirectEXT flextGL.MultiDrawArraysIndirectEXT
+#define glMultiDrawElementsIndirectEXT flextGL.MultiDrawElementsIndirectEXT
+
 /* GL_EXT_multisampled_render_to_texture */

 #define glFramebufferTexture2DMultisampleEXT flextGL.FramebufferTexture2DMultisampleEXT
@ -2629,6 +2776,25 @@ extern FLEXTGL_EXPORT FlextGL flextGL;
 #define glGetnUniformivEXT flextGL.GetnUniformivEXT
 #define glReadnPixelsEXT flextGL.ReadnPixelsEXT

+/* GL_EXT_semaphore */
+
+#define glDeleteSemaphoresEXT flextGL.DeleteSemaphoresEXT
+#define glGenSemaphoresEXT flextGL.GenSemaphoresEXT
+#define glGetSemaphoreParameterui64vEXT flextGL.GetSemaphoreParameterui64vEXT
+#define glIsSemaphoreEXT flextGL.IsSemaphoreEXT
+#define glSemaphoreParameterui64vEXT flextGL.SemaphoreParameterui64vEXT
+#define glSignalSemaphoreEXT flextGL.SignalSemaphoreEXT
+#define glWaitSemaphoreEXT flextGL.WaitSemaphoreEXT
+
+/* GL_EXT_semaphore_fd */
+
+#define glImportSemaphoreFdEXT flextGL.ImportSemaphoreFdEXT
+
+/* GL_EXT_semaphore_win32 */
+
+#define glImportSemaphoreWin32HandleEXT flextGL.ImportSemaphoreWin32HandleEXT
+#define glImportSemaphoreWin32NameEXT flextGL.ImportSemaphoreWin32NameEXT
+
 /* GL_EXT_separate_shader_objects */

 #define glActiveShaderProgramEXT flextGL.ActiveShaderProgramEXT
--- a/src/MagnumExternal/OpenGL/GLES3/flextGLPlatform.cpp
+++ b/src/MagnumExternal/OpenGL/GLES3/flextGLPlatform.cpp
@ -225,10 +225,40 @@ void flextGLInit(Magnum::GL::Context&) {
    /* GL_EXT_geometry_shader */
    flextGL.FramebufferTextureEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLenum, GLuint, GLint)>(loader.load("glFramebufferTextureEXT"));

+    /* GL_EXT_memory_object */
+    flextGL.BufferStorageMemEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLsizeiptr, GLuint, GLuint64)>(loader.load("glBufferStorageMemEXT"));
+    flextGL.CreateMemoryObjectsEXT = reinterpret_cast<void(APIENTRY*)(GLsizei, GLuint *)>(loader.load("glCreateMemoryObjectsEXT"));
+    flextGL.DeleteMemoryObjectsEXT = reinterpret_cast<void(APIENTRY*)(GLsizei, const GLuint *)>(loader.load("glDeleteMemoryObjectsEXT"));
+    flextGL.GetMemoryObjectParameterivEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum, GLint *)>(loader.load("glGetMemoryObjectParameterivEXT"));
+    flextGL.GetUnsignedBytei_vEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLuint, GLubyte *)>(loader.load("glGetUnsignedBytei_vEXT"));
+    flextGL.GetUnsignedBytevEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLubyte *)>(loader.load("glGetUnsignedBytevEXT"));
+    flextGL.IsMemoryObjectEXT = reinterpret_cast<GLboolean(APIENTRY*)(GLuint)>(loader.load("glIsMemoryObjectEXT"));
+    flextGL.MemoryObjectParameterivEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum, const GLint *)>(loader.load("glMemoryObjectParameterivEXT"));
+    flextGL.NamedBufferStorageMemEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLsizeiptr, GLuint, GLuint64)>(loader.load("glNamedBufferStorageMemEXT"));
+    flextGL.TexStorageMem2DEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLsizei, GLenum, GLsizei, GLsizei, GLuint, GLuint64)>(loader.load("glTexStorageMem2DEXT"));
+    flextGL.TexStorageMem2DMultisampleEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLsizei, GLenum, GLsizei, GLsizei, GLboolean, GLuint, GLuint64)>(loader.load("glTexStorageMem2DMultisampleEXT"));
+    flextGL.TexStorageMem3DEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLsizei, GLenum, GLsizei, GLsizei, GLsizei, GLuint, GLuint64)>(loader.load("glTexStorageMem3DEXT"));
+    flextGL.TexStorageMem3DMultisampleEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLsizei, GLenum, GLsizei, GLsizei, GLsizei, GLboolean, GLuint, GLuint64)>(loader.load("glTexStorageMem3DMultisampleEXT"));
+    flextGL.TextureStorageMem2DEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLsizei, GLenum, GLsizei, GLsizei, GLuint, GLuint64)>(loader.load("glTextureStorageMem2DEXT"));
+    flextGL.TextureStorageMem2DMultisampleEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLsizei, GLenum, GLsizei, GLsizei, GLboolean, GLuint, GLuint64)>(loader.load("glTextureStorageMem2DMultisampleEXT"));
+    flextGL.TextureStorageMem3DEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLsizei, GLenum, GLsizei, GLsizei, GLsizei, GLuint, GLuint64)>(loader.load("glTextureStorageMem3DEXT"));
+    flextGL.TextureStorageMem3DMultisampleEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLsizei, GLenum, GLsizei, GLsizei, GLsizei, GLboolean, GLuint, GLuint64)>(loader.load("glTextureStorageMem3DMultisampleEXT"));
+
+    /* GL_EXT_memory_object_fd */
+    flextGL.ImportMemoryFdEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLuint64, GLenum, GLint)>(loader.load("glImportMemoryFdEXT"));
+
+    /* GL_EXT_memory_object_win32 */
+    flextGL.ImportMemoryWin32HandleEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLuint64, GLenum, void *)>(loader.load("glImportMemoryWin32HandleEXT"));
+    flextGL.ImportMemoryWin32NameEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLuint64, GLenum, const void *)>(loader.load("glImportMemoryWin32NameEXT"));
+
    /* GL_EXT_multi_draw_arrays */
    flextGL.MultiDrawArraysEXT = reinterpret_cast<void(APIENTRY*)(GLenum, const GLint *, const GLsizei *, GLsizei)>(loader.load("glMultiDrawArraysEXT"));
    flextGL.MultiDrawElementsEXT = reinterpret_cast<void(APIENTRY*)(GLenum, const GLsizei *, GLenum, const void *const*, GLsizei)>(loader.load("glMultiDrawElementsEXT"));

+    /* GL_EXT_multi_draw_indirect */
+    flextGL.MultiDrawArraysIndirectEXT = reinterpret_cast<void(APIENTRY*)(GLenum, const void *, GLsizei, GLsizei)>(loader.load("glMultiDrawArraysIndirectEXT"));
+    flextGL.MultiDrawElementsIndirectEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLenum, const void *, GLsizei, GLsizei)>(loader.load("glMultiDrawElementsIndirectEXT"));
+
    /* GL_EXT_multisampled_render_to_texture */
    flextGL.FramebufferTexture2DMultisampleEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLenum, GLenum, GLuint, GLint, GLsizei)>(loader.load("glFramebufferTexture2DMultisampleEXT"));
    flextGL.RenderbufferStorageMultisampleEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLsizei, GLenum, GLsizei, GLsizei)>(loader.load("glRenderbufferStorageMultisampleEXT"));
@ -245,6 +275,22 @@ void flextGLInit(Magnum::GL::Context&) {
    flextGL.GetnUniformivEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLsizei, GLint *)>(loader.load("glGetnUniformivEXT"));
    flextGL.ReadnPixelsEXT = reinterpret_cast<void(APIENTRY*)(GLint, GLint, GLsizei, GLsizei, GLenum, GLenum, GLsizei, void *)>(loader.load("glReadnPixelsEXT"));

+    /* GL_EXT_semaphore */
+    flextGL.DeleteSemaphoresEXT = reinterpret_cast<void(APIENTRY*)(GLsizei, const GLuint *)>(loader.load("glDeleteSemaphoresEXT"));
+    flextGL.GenSemaphoresEXT = reinterpret_cast<void(APIENTRY*)(GLsizei, GLuint *)>(loader.load("glGenSemaphoresEXT"));
+    flextGL.GetSemaphoreParameterui64vEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum, GLuint64 *)>(loader.load("glGetSemaphoreParameterui64vEXT"));
+    flextGL.IsSemaphoreEXT = reinterpret_cast<GLboolean(APIENTRY*)(GLuint)>(loader.load("glIsSemaphoreEXT"));
+    flextGL.SemaphoreParameterui64vEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum, const GLuint64 *)>(loader.load("glSemaphoreParameterui64vEXT"));
+    flextGL.SignalSemaphoreEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLuint, const GLuint *, GLuint, const GLuint *, const GLenum *)>(loader.load("glSignalSemaphoreEXT"));
+    flextGL.WaitSemaphoreEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLuint, const GLuint *, GLuint, const GLuint *, const GLenum *)>(loader.load("glWaitSemaphoreEXT"));
+
+    /* GL_EXT_semaphore_fd */
+    flextGL.ImportSemaphoreFdEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum, GLint)>(loader.load("glImportSemaphoreFdEXT"));
+
+    /* GL_EXT_semaphore_win32 */
+    flextGL.ImportSemaphoreWin32HandleEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum, void *)>(loader.load("glImportSemaphoreWin32HandleEXT"));
+    flextGL.ImportSemaphoreWin32NameEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum, const void *)>(loader.load("glImportSemaphoreWin32NameEXT"));
+
    /* GL_EXT_separate_shader_objects */
    flextGL.ActiveShaderProgramEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLuint)>(loader.load("glActiveShaderProgramEXT"));
    flextGL.BindProgramPipelineEXT = reinterpret_cast<void(APIENTRY*)(GLuint)>(loader.load("glBindProgramPipelineEXT"));
--- a/src/MagnumExternal/OpenGL/GLES3/flextGLPlatformIOS.cpp
+++ b/src/MagnumExternal/OpenGL/GLES3/flextGLPlatformIOS.cpp
@ -73,8 +73,30 @@
 #undef glDrawRangeElementsBaseVertexEXT
 #undef glMultiDrawElementsBaseVertexEXT
 #undef glFramebufferTextureEXT
+#undef glBufferStorageMemEXT
+#undef glCreateMemoryObjectsEXT
+#undef glDeleteMemoryObjectsEXT
+#undef glGetMemoryObjectParameterivEXT
+#undef glGetUnsignedBytei_vEXT
+#undef glGetUnsignedBytevEXT
+#undef glIsMemoryObjectEXT
+#undef glMemoryObjectParameterivEXT
+#undef glNamedBufferStorageMemEXT
+#undef glTexStorageMem2DEXT
+#undef glTexStorageMem2DMultisampleEXT
+#undef glTexStorageMem3DEXT
+#undef glTexStorageMem3DMultisampleEXT
+#undef glTextureStorageMem2DEXT
+#undef glTextureStorageMem2DMultisampleEXT
+#undef glTextureStorageMem3DEXT
+#undef glTextureStorageMem3DMultisampleEXT
+#undef glImportMemoryFdEXT
+#undef glImportMemoryWin32HandleEXT
+#undef glImportMemoryWin32NameEXT
 #undef glMultiDrawArraysEXT
 #undef glMultiDrawElementsEXT
+#undef glMultiDrawArraysIndirectEXT
+#undef glMultiDrawElementsIndirectEXT
 #undef glFramebufferTexture2DMultisampleEXT
 #undef glRenderbufferStorageMultisampleEXT
 #undef glPolygonOffsetClampEXT
@ -83,6 +105,16 @@
 #undef glGetnUniformfvEXT
 #undef glGetnUniformivEXT
 #undef glReadnPixelsEXT
+#undef glDeleteSemaphoresEXT
+#undef glGenSemaphoresEXT
+#undef glGetSemaphoreParameterui64vEXT
+#undef glIsSemaphoreEXT
+#undef glSemaphoreParameterui64vEXT
+#undef glSignalSemaphoreEXT
+#undef glWaitSemaphoreEXT
+#undef glImportSemaphoreFdEXT
+#undef glImportSemaphoreWin32HandleEXT
+#undef glImportSemaphoreWin32NameEXT
 #undef glActiveShaderProgramEXT
 #undef glBindProgramPipelineEXT
 #undef glCreateShaderProgramvEXT
@ -281,12 +313,50 @@ void flextGLInit(Magnum::GL::Context&) {
    flextGL.FramebufferTextureEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLenum, GLuint, GLint)>(glFramebufferTextureEXT);
    #endif

+    /* GL_EXT_memory_object */
+    #if GL_EXT_memory_object
+    flextGL.BufferStorageMemEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLsizeiptr, GLuint, GLuint64)>(glBufferStorageMemEXT);
+    flextGL.CreateMemoryObjectsEXT = reinterpret_cast<void(APIENTRY*)(GLsizei, GLuint *)>(glCreateMemoryObjectsEXT);
+    flextGL.DeleteMemoryObjectsEXT = reinterpret_cast<void(APIENTRY*)(GLsizei, const GLuint *)>(glDeleteMemoryObjectsEXT);
+    flextGL.GetMemoryObjectParameterivEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum, GLint *)>(glGetMemoryObjectParameterivEXT);
+    flextGL.GetUnsignedBytei_vEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLuint, GLubyte *)>(glGetUnsignedBytei_vEXT);
+    flextGL.GetUnsignedBytevEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLubyte *)>(glGetUnsignedBytevEXT);
+    flextGL.IsMemoryObjectEXT = reinterpret_cast<GLboolean(APIENTRY*)(GLuint)>(glIsMemoryObjectEXT);
+    flextGL.MemoryObjectParameterivEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum, const GLint *)>(glMemoryObjectParameterivEXT);
+    flextGL.NamedBufferStorageMemEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLsizeiptr, GLuint, GLuint64)>(glNamedBufferStorageMemEXT);
+    flextGL.TexStorageMem2DEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLsizei, GLenum, GLsizei, GLsizei, GLuint, GLuint64)>(glTexStorageMem2DEXT);
+    flextGL.TexStorageMem2DMultisampleEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLsizei, GLenum, GLsizei, GLsizei, GLboolean, GLuint, GLuint64)>(glTexStorageMem2DMultisampleEXT);
+    flextGL.TexStorageMem3DEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLsizei, GLenum, GLsizei, GLsizei, GLsizei, GLuint, GLuint64)>(glTexStorageMem3DEXT);
+    flextGL.TexStorageMem3DMultisampleEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLsizei, GLenum, GLsizei, GLsizei, GLsizei, GLboolean, GLuint, GLuint64)>(glTexStorageMem3DMultisampleEXT);
+    flextGL.TextureStorageMem2DEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLsizei, GLenum, GLsizei, GLsizei, GLuint, GLuint64)>(glTextureStorageMem2DEXT);
+    flextGL.TextureStorageMem2DMultisampleEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLsizei, GLenum, GLsizei, GLsizei, GLboolean, GLuint, GLuint64)>(glTextureStorageMem2DMultisampleEXT);
+    flextGL.TextureStorageMem3DEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLsizei, GLenum, GLsizei, GLsizei, GLsizei, GLuint, GLuint64)>(glTextureStorageMem3DEXT);
+    flextGL.TextureStorageMem3DMultisampleEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLsizei, GLenum, GLsizei, GLsizei, GLsizei, GLboolean, GLuint, GLuint64)>(glTextureStorageMem3DMultisampleEXT);
+    #endif
+
+    /* GL_EXT_memory_object_fd */
+    #if GL_EXT_memory_object_fd
+    flextGL.ImportMemoryFdEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLuint64, GLenum, GLint)>(glImportMemoryFdEXT);
+    #endif
+
+    /* GL_EXT_memory_object_win32 */
+    #if GL_EXT_memory_object_win32
+    flextGL.ImportMemoryWin32HandleEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLuint64, GLenum, void *)>(glImportMemoryWin32HandleEXT);
+    flextGL.ImportMemoryWin32NameEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLuint64, GLenum, const void *)>(glImportMemoryWin32NameEXT);
+    #endif
+
    /* GL_EXT_multi_draw_arrays */
    #if GL_EXT_multi_draw_arrays
    flextGL.MultiDrawArraysEXT = reinterpret_cast<void(APIENTRY*)(GLenum, const GLint *, const GLsizei *, GLsizei)>(glMultiDrawArraysEXT);
    flextGL.MultiDrawElementsEXT = reinterpret_cast<void(APIENTRY*)(GLenum, const GLsizei *, GLenum, const void *const*, GLsizei)>(glMultiDrawElementsEXT);
    #endif

+    /* GL_EXT_multi_draw_indirect */
+    #if GL_EXT_multi_draw_indirect
+    flextGL.MultiDrawArraysIndirectEXT = reinterpret_cast<void(APIENTRY*)(GLenum, const void *, GLsizei, GLsizei)>(glMultiDrawArraysIndirectEXT);
+    flextGL.MultiDrawElementsIndirectEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLenum, const void *, GLsizei, GLsizei)>(glMultiDrawElementsIndirectEXT);
+    #endif
+
    /* GL_EXT_multisampled_render_to_texture */
    #if GL_EXT_multisampled_render_to_texture
    flextGL.FramebufferTexture2DMultisampleEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLenum, GLenum, GLuint, GLint, GLsizei)>(glFramebufferTexture2DMultisampleEXT);
@ -311,6 +381,28 @@ void flextGLInit(Magnum::GL::Context&) {
    flextGL.ReadnPixelsEXT = reinterpret_cast<void(APIENTRY*)(GLint, GLint, GLsizei, GLsizei, GLenum, GLenum, GLsizei, void *)>(glReadnPixelsEXT);
    #endif

+    /* GL_EXT_semaphore */
+    #if GL_EXT_semaphore
+    flextGL.DeleteSemaphoresEXT = reinterpret_cast<void(APIENTRY*)(GLsizei, const GLuint *)>(glDeleteSemaphoresEXT);
+    flextGL.GenSemaphoresEXT = reinterpret_cast<void(APIENTRY*)(GLsizei, GLuint *)>(glGenSemaphoresEXT);
+    flextGL.GetSemaphoreParameterui64vEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum, GLuint64 *)>(glGetSemaphoreParameterui64vEXT);
+    flextGL.IsSemaphoreEXT = reinterpret_cast<GLboolean(APIENTRY*)(GLuint)>(glIsSemaphoreEXT);
+    flextGL.SemaphoreParameterui64vEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum, const GLuint64 *)>(glSemaphoreParameterui64vEXT);
+    flextGL.SignalSemaphoreEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLuint, const GLuint *, GLuint, const GLuint *, const GLenum *)>(glSignalSemaphoreEXT);
+    flextGL.WaitSemaphoreEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLuint, const GLuint *, GLuint, const GLuint *, const GLenum *)>(glWaitSemaphoreEXT);
+    #endif
+
+    /* GL_EXT_semaphore_fd */
+    #if GL_EXT_semaphore_fd
+    flextGL.ImportSemaphoreFdEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum, GLint)>(glImportSemaphoreFdEXT);
+    #endif
+
+    /* GL_EXT_semaphore_win32 */
+    #if GL_EXT_semaphore_win32
+    flextGL.ImportSemaphoreWin32HandleEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum, void *)>(glImportSemaphoreWin32HandleEXT);
+    flextGL.ImportSemaphoreWin32NameEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum, const void *)>(glImportSemaphoreWin32NameEXT);
+    #endif
+
    /* GL_EXT_separate_shader_objects */
    #if GL_EXT_separate_shader_objects
    flextGL.ActiveShaderProgramEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLuint)>(glActiveShaderProgramEXT);
--- a/src/MagnumExternal/OpenGL/GLES3/flextGLPlatformWindowsDesktop.cpp
+++ b/src/MagnumExternal/OpenGL/GLES3/flextGLPlatformWindowsDesktop.cpp
@ -427,10 +427,40 @@ void flextGLInit(Magnum::GL::Context&) {
    /* GL_EXT_geometry_shader */
    flextGL.FramebufferTextureEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLenum, GLuint, GLint)>(loader.load("glFramebufferTextureEXT"));

+    /* GL_EXT_memory_object */
+    flextGL.BufferStorageMemEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLsizeiptr, GLuint, GLuint64)>(loader.load("glBufferStorageMemEXT"));
+    flextGL.CreateMemoryObjectsEXT = reinterpret_cast<void(APIENTRY*)(GLsizei, GLuint *)>(loader.load("glCreateMemoryObjectsEXT"));
+    flextGL.DeleteMemoryObjectsEXT = reinterpret_cast<void(APIENTRY*)(GLsizei, const GLuint *)>(loader.load("glDeleteMemoryObjectsEXT"));
+    flextGL.GetMemoryObjectParameterivEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum, GLint *)>(loader.load("glGetMemoryObjectParameterivEXT"));
+    flextGL.GetUnsignedBytei_vEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLuint, GLubyte *)>(loader.load("glGetUnsignedBytei_vEXT"));
+    flextGL.GetUnsignedBytevEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLubyte *)>(loader.load("glGetUnsignedBytevEXT"));
+    flextGL.IsMemoryObjectEXT = reinterpret_cast<GLboolean(APIENTRY*)(GLuint)>(loader.load("glIsMemoryObjectEXT"));
+    flextGL.MemoryObjectParameterivEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum, const GLint *)>(loader.load("glMemoryObjectParameterivEXT"));
+    flextGL.NamedBufferStorageMemEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLsizeiptr, GLuint, GLuint64)>(loader.load("glNamedBufferStorageMemEXT"));
+    flextGL.TexStorageMem2DEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLsizei, GLenum, GLsizei, GLsizei, GLuint, GLuint64)>(loader.load("glTexStorageMem2DEXT"));
+    flextGL.TexStorageMem2DMultisampleEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLsizei, GLenum, GLsizei, GLsizei, GLboolean, GLuint, GLuint64)>(loader.load("glTexStorageMem2DMultisampleEXT"));
+    flextGL.TexStorageMem3DEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLsizei, GLenum, GLsizei, GLsizei, GLsizei, GLuint, GLuint64)>(loader.load("glTexStorageMem3DEXT"));
+    flextGL.TexStorageMem3DMultisampleEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLsizei, GLenum, GLsizei, GLsizei, GLsizei, GLboolean, GLuint, GLuint64)>(loader.load("glTexStorageMem3DMultisampleEXT"));
+    flextGL.TextureStorageMem2DEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLsizei, GLenum, GLsizei, GLsizei, GLuint, GLuint64)>(loader.load("glTextureStorageMem2DEXT"));
+    flextGL.TextureStorageMem2DMultisampleEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLsizei, GLenum, GLsizei, GLsizei, GLboolean, GLuint, GLuint64)>(loader.load("glTextureStorageMem2DMultisampleEXT"));
+    flextGL.TextureStorageMem3DEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLsizei, GLenum, GLsizei, GLsizei, GLsizei, GLuint, GLuint64)>(loader.load("glTextureStorageMem3DEXT"));
+    flextGL.TextureStorageMem3DMultisampleEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLsizei, GLenum, GLsizei, GLsizei, GLsizei, GLboolean, GLuint, GLuint64)>(loader.load("glTextureStorageMem3DMultisampleEXT"));
+
+    /* GL_EXT_memory_object_fd */
+    flextGL.ImportMemoryFdEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLuint64, GLenum, GLint)>(loader.load("glImportMemoryFdEXT"));
+
+    /* GL_EXT_memory_object_win32 */
+    flextGL.ImportMemoryWin32HandleEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLuint64, GLenum, void *)>(loader.load("glImportMemoryWin32HandleEXT"));
+    flextGL.ImportMemoryWin32NameEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLuint64, GLenum, const void *)>(loader.load("glImportMemoryWin32NameEXT"));
+
    /* GL_EXT_multi_draw_arrays */
    flextGL.MultiDrawArraysEXT = reinterpret_cast<void(APIENTRY*)(GLenum, const GLint *, const GLsizei *, GLsizei)>(loader.load("glMultiDrawArraysEXT"));
    flextGL.MultiDrawElementsEXT = reinterpret_cast<void(APIENTRY*)(GLenum, const GLsizei *, GLenum, const void *const*, GLsizei)>(loader.load("glMultiDrawElementsEXT"));

+    /* GL_EXT_multi_draw_indirect */
+    flextGL.MultiDrawArraysIndirectEXT = reinterpret_cast<void(APIENTRY*)(GLenum, const void *, GLsizei, GLsizei)>(loader.load("glMultiDrawArraysIndirectEXT"));
+    flextGL.MultiDrawElementsIndirectEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLenum, const void *, GLsizei, GLsizei)>(loader.load("glMultiDrawElementsIndirectEXT"));
+
    /* GL_EXT_multisampled_render_to_texture */
    flextGL.FramebufferTexture2DMultisampleEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLenum, GLenum, GLuint, GLint, GLsizei)>(loader.load("glFramebufferTexture2DMultisampleEXT"));
    flextGL.RenderbufferStorageMultisampleEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLsizei, GLenum, GLsizei, GLsizei)>(loader.load("glRenderbufferStorageMultisampleEXT"));
@ -447,6 +477,22 @@ void flextGLInit(Magnum::GL::Context&) {
    flextGL.GetnUniformivEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLint, GLsizei, GLint *)>(loader.load("glGetnUniformivEXT"));
    flextGL.ReadnPixelsEXT = reinterpret_cast<void(APIENTRY*)(GLint, GLint, GLsizei, GLsizei, GLenum, GLenum, GLsizei, void *)>(loader.load("glReadnPixelsEXT"));

+    /* GL_EXT_semaphore */
+    flextGL.DeleteSemaphoresEXT = reinterpret_cast<void(APIENTRY*)(GLsizei, const GLuint *)>(loader.load("glDeleteSemaphoresEXT"));
+    flextGL.GenSemaphoresEXT = reinterpret_cast<void(APIENTRY*)(GLsizei, GLuint *)>(loader.load("glGenSemaphoresEXT"));
+    flextGL.GetSemaphoreParameterui64vEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum, GLuint64 *)>(loader.load("glGetSemaphoreParameterui64vEXT"));
+    flextGL.IsSemaphoreEXT = reinterpret_cast<GLboolean(APIENTRY*)(GLuint)>(loader.load("glIsSemaphoreEXT"));
+    flextGL.SemaphoreParameterui64vEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum, const GLuint64 *)>(loader.load("glSemaphoreParameterui64vEXT"));
+    flextGL.SignalSemaphoreEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLuint, const GLuint *, GLuint, const GLuint *, const GLenum *)>(loader.load("glSignalSemaphoreEXT"));
+    flextGL.WaitSemaphoreEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLuint, const GLuint *, GLuint, const GLuint *, const GLenum *)>(loader.load("glWaitSemaphoreEXT"));
+
+    /* GL_EXT_semaphore_fd */
+    flextGL.ImportSemaphoreFdEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum, GLint)>(loader.load("glImportSemaphoreFdEXT"));
+
+    /* GL_EXT_semaphore_win32 */
+    flextGL.ImportSemaphoreWin32HandleEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum, void *)>(loader.load("glImportSemaphoreWin32HandleEXT"));
+    flextGL.ImportSemaphoreWin32NameEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLenum, const void *)>(loader.load("glImportSemaphoreWin32NameEXT"));
+
    /* GL_EXT_separate_shader_objects */
    flextGL.ActiveShaderProgramEXT = reinterpret_cast<void(APIENTRY*)(GLuint, GLuint)>(loader.load("glActiveShaderProgramEXT"));
    flextGL.BindProgramPipelineEXT = reinterpret_cast<void(APIENTRY*)(GLuint)>(loader.load("glBindProgramPipelineEXT"));
--- a/src/MagnumExternal/OpenGL/GLES3/flextGLWindowsDesktop.h
+++ b/src/MagnumExternal/OpenGL/GLES3/flextGLWindowsDesktop.h
@ -1565,6 +1565,36 @@ typedef void (APIENTRY *GLDEBUGPROCKHR)(GLenum source,GLenum type,GLuint id,GLen
 #define GL_COMPRESSED_SRGB_ALPHA_PVRTC_2BPPV2_IMG 0x93F0
 #define GL_COMPRESSED_SRGB_ALPHA_PVRTC_4BPPV2_IMG 0x93F1

+/* GL_EXT_memory_object */
+
+#define GL_TEXTURE_TILING_EXT 0x9580
+#define GL_DEDICATED_MEMORY_OBJECT_EXT 0x9581
+#define GL_PROTECTED_MEMORY_OBJECT_EXT 0x959B
+#define GL_NUM_TILING_TYPES_EXT 0x9582
+#define GL_TILING_TYPES_EXT 0x9583
+#define GL_OPTIMAL_TILING_EXT 0x9584
+#define GL_LINEAR_TILING_EXT 0x9585
+#define GL_NUM_DEVICE_UUIDS_EXT 0x9596
+#define GL_DEVICE_UUID_EXT 0x9597
+#define GL_DRIVER_UUID_EXT 0x9598
+#define GL_UUID_SIZE_EXT 16
+
+/* GL_EXT_memory_object_fd */
+
+#define GL_HANDLE_TYPE_OPAQUE_FD_EXT 0x9586
+
+/* GL_EXT_memory_object_win32 */
+
+#define GL_HANDLE_TYPE_OPAQUE_WIN32_EXT 0x9587
+#define GL_HANDLE_TYPE_OPAQUE_WIN32_KMT_EXT 0x9588
+#define GL_DEVICE_LUID_EXT 0x9599
+#define GL_DEVICE_NODE_MASK_EXT 0x959A
+#define GL_LUID_SIZE_EXT 8
+#define GL_HANDLE_TYPE_D3D12_TILEPOOL_EXT 0x9589
+#define GL_HANDLE_TYPE_D3D12_RESOURCE_EXT 0x958A
+#define GL_HANDLE_TYPE_D3D11_IMAGE_EXT 0x958B
+#define GL_HANDLE_TYPE_D3D11_IMAGE_KMT_EXT 0x958C
+
 /* GL_EXT_texture_norm16 */

 #define GL_R16_EXT 0x822A
@ -1624,6 +1654,36 @@ typedef void (APIENTRY *GLDEBUGPROCKHR)(GLenum source,GLenum type,GLuint id,GLen
 #define GL_CLIP_DISTANCE6_EXT 0x3006
 #define GL_CLIP_DISTANCE7_EXT 0x3007

+/* GL_EXT_semaphore */
+
+#define GL_NUM_DEVICE_UUIDS_EXT 0x9596
+#define GL_DEVICE_UUID_EXT 0x9597
+#define GL_DRIVER_UUID_EXT 0x9598
+#define GL_UUID_SIZE_EXT 16
+#define GL_LAYOUT_GENERAL_EXT 0x958D
+#define GL_LAYOUT_COLOR_ATTACHMENT_EXT 0x958E
+#define GL_LAYOUT_DEPTH_STENCIL_ATTACHMENT_EXT 0x958F
+#define GL_LAYOUT_DEPTH_STENCIL_READ_ONLY_EXT 0x9590
+#define GL_LAYOUT_SHADER_READ_ONLY_EXT 0x9591
+#define GL_LAYOUT_TRANSFER_SRC_EXT 0x9592
+#define GL_LAYOUT_TRANSFER_DST_EXT 0x9593
+#define GL_LAYOUT_DEPTH_READ_ONLY_STENCIL_ATTACHMENT_EXT 0x9530
+#define GL_LAYOUT_DEPTH_ATTACHMENT_STENCIL_READ_ONLY_EXT 0x9531
+
+/* GL_EXT_semaphore_fd */
+
+#define GL_HANDLE_TYPE_OPAQUE_FD_EXT 0x9586
+
+/* GL_EXT_semaphore_win32 */
+
+#define GL_HANDLE_TYPE_OPAQUE_WIN32_EXT 0x9587
+#define GL_HANDLE_TYPE_OPAQUE_WIN32_KMT_EXT 0x9588
+#define GL_DEVICE_LUID_EXT 0x9599
+#define GL_DEVICE_NODE_MASK_EXT 0x959A
+#define GL_LUID_SIZE_EXT 8
+#define GL_HANDLE_TYPE_D3D12_FENCE_EXT 0x9594
+#define GL_D3D12_FENCE_VALUE_EXT 0x9595
+
 /* GL_EXT_texture_compression_rgtc */

 #define GL_COMPRESSED_RED_RGTC1_EXT 0x8DBB
@ -2233,11 +2293,45 @@ struct FlextGL {

    void(APIENTRY *FramebufferTextureEXT)(GLenum, GLenum, GLuint, GLint);

+    /* GL_EXT_memory_object */
+
+    void(APIENTRY *BufferStorageMemEXT)(GLenum, GLsizeiptr, GLuint, GLuint64);
+    void(APIENTRY *CreateMemoryObjectsEXT)(GLsizei, GLuint *);
+    void(APIENTRY *DeleteMemoryObjectsEXT)(GLsizei, const GLuint *);
+    void(APIENTRY *GetMemoryObjectParameterivEXT)(GLuint, GLenum, GLint *);
+    void(APIENTRY *GetUnsignedBytei_vEXT)(GLenum, GLuint, GLubyte *);
+    void(APIENTRY *GetUnsignedBytevEXT)(GLenum, GLubyte *);
+    GLboolean(APIENTRY *IsMemoryObjectEXT)(GLuint);
+    void(APIENTRY *MemoryObjectParameterivEXT)(GLuint, GLenum, const GLint *);
+    void(APIENTRY *NamedBufferStorageMemEXT)(GLuint, GLsizeiptr, GLuint, GLuint64);
+    void(APIENTRY *TexStorageMem2DEXT)(GLenum, GLsizei, GLenum, GLsizei, GLsizei, GLuint, GLuint64);
+    void(APIENTRY *TexStorageMem2DMultisampleEXT)(GLenum, GLsizei, GLenum, GLsizei, GLsizei, GLboolean, GLuint, GLuint64);
+    void(APIENTRY *TexStorageMem3DEXT)(GLenum, GLsizei, GLenum, GLsizei, GLsizei, GLsizei, GLuint, GLuint64);
+    void(APIENTRY *TexStorageMem3DMultisampleEXT)(GLenum, GLsizei, GLenum, GLsizei, GLsizei, GLsizei, GLboolean, GLuint, GLuint64);
+    void(APIENTRY *TextureStorageMem2DEXT)(GLuint, GLsizei, GLenum, GLsizei, GLsizei, GLuint, GLuint64);
+    void(APIENTRY *TextureStorageMem2DMultisampleEXT)(GLuint, GLsizei, GLenum, GLsizei, GLsizei, GLboolean, GLuint, GLuint64);
+    void(APIENTRY *TextureStorageMem3DEXT)(GLuint, GLsizei, GLenum, GLsizei, GLsizei, GLsizei, GLuint, GLuint64);
+    void(APIENTRY *TextureStorageMem3DMultisampleEXT)(GLuint, GLsizei, GLenum, GLsizei, GLsizei, GLsizei, GLboolean, GLuint, GLuint64);
+
+    /* GL_EXT_memory_object_fd */
+
+    void(APIENTRY *ImportMemoryFdEXT)(GLuint, GLuint64, GLenum, GLint);
+
+    /* GL_EXT_memory_object_win32 */
+
+    void(APIENTRY *ImportMemoryWin32HandleEXT)(GLuint, GLuint64, GLenum, void *);
+    void(APIENTRY *ImportMemoryWin32NameEXT)(GLuint, GLuint64, GLenum, const void *);
+
    /* GL_EXT_multi_draw_arrays */

    void(APIENTRY *MultiDrawArraysEXT)(GLenum, const GLint *, const GLsizei *, GLsizei);
    void(APIENTRY *MultiDrawElementsEXT)(GLenum, const GLsizei *, GLenum, const void *const*, GLsizei);

+    /* GL_EXT_multi_draw_indirect */
+
+    void(APIENTRY *MultiDrawArraysIndirectEXT)(GLenum, const void *, GLsizei, GLsizei);
+    void(APIENTRY *MultiDrawElementsIndirectEXT)(GLenum, GLenum, const void *, GLsizei, GLsizei);
+
    /* GL_EXT_multisampled_render_to_texture */

    void(APIENTRY *FramebufferTexture2DMultisampleEXT)(GLenum, GLenum, GLenum, GLuint, GLint, GLsizei);
@ -2258,6 +2352,25 @@ struct FlextGL {
    void(APIENTRY *GetnUniformivEXT)(GLuint, GLint, GLsizei, GLint *);
    void(APIENTRY *ReadnPixelsEXT)(GLint, GLint, GLsizei, GLsizei, GLenum, GLenum, GLsizei, void *);

+    /* GL_EXT_semaphore */
+
+    void(APIENTRY *DeleteSemaphoresEXT)(GLsizei, const GLuint *);
+    void(APIENTRY *GenSemaphoresEXT)(GLsizei, GLuint *);
+    void(APIENTRY *GetSemaphoreParameterui64vEXT)(GLuint, GLenum, GLuint64 *);
+    GLboolean(APIENTRY *IsSemaphoreEXT)(GLuint);
+    void(APIENTRY *SemaphoreParameterui64vEXT)(GLuint, GLenum, const GLuint64 *);
+    void(APIENTRY *SignalSemaphoreEXT)(GLuint, GLuint, const GLuint *, GLuint, const GLuint *, const GLenum *);
+    void(APIENTRY *WaitSemaphoreEXT)(GLuint, GLuint, const GLuint *, GLuint, const GLuint *, const GLenum *);
+
+    /* GL_EXT_semaphore_fd */
+
+    void(APIENTRY *ImportSemaphoreFdEXT)(GLuint, GLenum, GLint);
+
+    /* GL_EXT_semaphore_win32 */
+
+    void(APIENTRY *ImportSemaphoreWin32HandleEXT)(GLuint, GLenum, void *);
+    void(APIENTRY *ImportSemaphoreWin32NameEXT)(GLuint, GLenum, const void *);
+
    /* GL_EXT_separate_shader_objects */

    void(APIENTRY *ActiveShaderProgramEXT)(GLuint, GLuint);
@ -2812,11 +2925,45 @@ extern FLEXTGL_EXPORT FlextGL flextGL;

 #define glFramebufferTextureEXT flextGL.FramebufferTextureEXT

+/* GL_EXT_memory_object */
+
+#define glBufferStorageMemEXT flextGL.BufferStorageMemEXT
+#define glCreateMemoryObjectsEXT flextGL.CreateMemoryObjectsEXT
+#define glDeleteMemoryObjectsEXT flextGL.DeleteMemoryObjectsEXT
+#define glGetMemoryObjectParameterivEXT flextGL.GetMemoryObjectParameterivEXT
+#define glGetUnsignedBytei_vEXT flextGL.GetUnsignedBytei_vEXT
+#define glGetUnsignedBytevEXT flextGL.GetUnsignedBytevEXT
+#define glIsMemoryObjectEXT flextGL.IsMemoryObjectEXT
+#define glMemoryObjectParameterivEXT flextGL.MemoryObjectParameterivEXT
+#define glNamedBufferStorageMemEXT flextGL.NamedBufferStorageMemEXT
+#define glTexStorageMem2DEXT flextGL.TexStorageMem2DEXT
+#define glTexStorageMem2DMultisampleEXT flextGL.TexStorageMem2DMultisampleEXT
+#define glTexStorageMem3DEXT flextGL.TexStorageMem3DEXT
+#define glTexStorageMem3DMultisampleEXT flextGL.TexStorageMem3DMultisampleEXT
+#define glTextureStorageMem2DEXT flextGL.TextureStorageMem2DEXT
+#define glTextureStorageMem2DMultisampleEXT flextGL.TextureStorageMem2DMultisampleEXT
+#define glTextureStorageMem3DEXT flextGL.TextureStorageMem3DEXT
+#define glTextureStorageMem3DMultisampleEXT flextGL.TextureStorageMem3DMultisampleEXT
+
+/* GL_EXT_memory_object_fd */
+
+#define glImportMemoryFdEXT flextGL.ImportMemoryFdEXT
+
+/* GL_EXT_memory_object_win32 */
+
+#define glImportMemoryWin32HandleEXT flextGL.ImportMemoryWin32HandleEXT
+#define glImportMemoryWin32NameEXT flextGL.ImportMemoryWin32NameEXT
+
 /* GL_EXT_multi_draw_arrays */

 #define glMultiDrawArraysEXT flextGL.MultiDrawArraysEXT
 #define glMultiDrawElementsEXT flextGL.MultiDrawElementsEXT

+/* GL_EXT_multi_draw_indirect */
+
+#define glMultiDrawArraysIndirectEXT flextGL.MultiDrawArraysIndirectEXT
+#define glMultiDrawElementsIndirectEXT flextGL.MultiDrawElementsIndirectEXT
+
 /* GL_EXT_multisampled_render_to_texture */

 #define glFramebufferTexture2DMultisampleEXT flextGL.FramebufferTexture2DMultisampleEXT
@ -2837,6 +2984,25 @@ extern FLEXTGL_EXPORT FlextGL flextGL;
 #define glGetnUniformivEXT flextGL.GetnUniformivEXT
 #define glReadnPixelsEXT flextGL.ReadnPixelsEXT

+/* GL_EXT_semaphore */
+
+#define glDeleteSemaphoresEXT flextGL.DeleteSemaphoresEXT
+#define glGenSemaphoresEXT flextGL.GenSemaphoresEXT
+#define glGetSemaphoreParameterui64vEXT flextGL.GetSemaphoreParameterui64vEXT
+#define glIsSemaphoreEXT flextGL.IsSemaphoreEXT
+#define glSemaphoreParameterui64vEXT flextGL.SemaphoreParameterui64vEXT
+#define glSignalSemaphoreEXT flextGL.SignalSemaphoreEXT
+#define glWaitSemaphoreEXT flextGL.WaitSemaphoreEXT
+
+/* GL_EXT_semaphore_fd */
+
+#define glImportSemaphoreFdEXT flextGL.ImportSemaphoreFdEXT
+
+/* GL_EXT_semaphore_win32 */
+
+#define glImportSemaphoreWin32HandleEXT flextGL.ImportSemaphoreWin32HandleEXT
+#define glImportSemaphoreWin32NameEXT flextGL.ImportSemaphoreWin32NameEXT
+
 /* GL_EXT_separate_shader_objects */

 #define glActiveShaderProgramEXT flextGL.ActiveShaderProgramEXT