Links to documentation of related gl*() function.

Each function touching OpenGL now has list of all related functions
touching OpenGL.

Doxyfile

@@ -200,6 +200,8 @@ ALIASES                = \
     "configurationvalue{1}=@brief %Configuration value parser and writer @xrefitem configurationvalues \"Configuration value parser and writer\" \"Configuration value parsers and writers for custom types\" Allows parsing and writing \1 from and to Corrade::Utility::Configuration." \
     "collisionoperator{2}=@relates \1\n@brief Collision of %\1 and %\2\n@see \2::operator%(const \1&) const" \
     "todoc=@xrefitem todoc \"Documentation todo\" \"Documentation-related todo list\"" \
+    "fn_gl{1}=<a href=\"http://www.opengl.org/sdk/docs/man4/xhtml/gl\1.xml\">gl\1()</a>" \
+    "def_gl{1}=`GL_\1`" \
     "requires_gl=@xrefitem requires-gl \"Requires desktop OpenGL\" \"Functionality requiring desktop OpenGL (not available on OpenGL ES)\" Not available on OpenGL ES." \
     "requires_gl30=@xrefitem requires-gl30 \"Requires OpenGL 3.0\" \"Functionality requiring OpenGL 3.0\"" \
     "requires_gl31=@xrefitem requires-gl31 \"Requires OpenGL 3.1\" \"Functionality requiring OpenGL 3.1\"" \

src/AbstractShaderProgram.h

@@ -192,6 +192,7 @@ class MAGNUM_EXPORT AbstractShaderProgram {
          * @brief Constructor
          *
          * Creates one OpenGL shader program.
+         * @see @fn_gl{CreateProgram}
          */
         inline AbstractShaderProgram(): state(Initialized) {
             program = glCreateProgram();
@@ -201,6 +202,7 @@ class MAGNUM_EXPORT AbstractShaderProgram {
          * @brief Destructor
          *
          * Deletes associated OpenGL shader program.
+         * @see @fn_gl{DeleteProgram}
          */
         virtual ~AbstractShaderProgram() = 0;
 
@@ -208,6 +210,8 @@ class MAGNUM_EXPORT AbstractShaderProgram {
          * @brief Use shader
          * @return False if the program wasn't successfully linked, true
          *      otherwise.
+         *
+         * @see @fn_gl{UseProgram}
          */
         bool use();
 
@@ -216,11 +220,12 @@ class MAGNUM_EXPORT AbstractShaderProgram {
         /**
          * @brief Allow retrieving program binary
          *
-         * Disabled by default.
-         * @requires_gl
-         * @requires_gl41 Extension @extension{ARB,get_program_binary}
+         * Initially disabled.
          * @note This function should be called after attachShader() calls and
          *      before link().
+         * @see @fn_gl{ProgramParameter} with @def_gl{PROGRAM_BINARY_RETRIEVABLE_HINT}
+         * @requires_gl
+         * @requires_gl41 Extension @extension{ARB,get_program_binary}
          */
         inline void setRetrievableBinary(bool enabled) {
             glProgramParameteri(program, GL_PROGRAM_BINARY_RETRIEVABLE_HINT, enabled ? GL_TRUE : GL_FALSE);
@@ -229,11 +234,12 @@ class MAGNUM_EXPORT AbstractShaderProgram {
         /**
          * @brief Allow the program to be bound to individual pipeline stages
          *
-         * Disabled by default.
-         * @requires_gl
-         * @requires_gl41 Extension @extension{ARB,separate_shader_objects}
+         * Initially disabled.
          * @note This function should be called after attachShader() calls and
          *      before link().
+         * @see @fn_gl{ProgramParameter} with @def_gl{PROGRAM_SEPARABLE}
+         * @requires_gl
+         * @requires_gl41 Extension @extension{ARB,separate_shader_objects}
          */
         inline void setSeparable(bool enabled) {
             glProgramParameteri(program, GL_PROGRAM_SEPARABLE, enabled ? GL_TRUE : GL_FALSE);
@@ -247,10 +253,11 @@ class MAGNUM_EXPORT AbstractShaderProgram {
          *
          * Compiles the shader, if it is not already, and prepares it for
          * linking.
+         * @see Shader::compile(), @fn_gl{AttachShader}
          */
         bool attachShader(Shader& shader);
 
-        /** @copydoc attachShader(Shader&) */
+        /** @overload */
         inline bool attachShader(Shader&& shader) {
             return attachShader(shader);
         }
@@ -268,6 +275,7 @@ class MAGNUM_EXPORT AbstractShaderProgram {
          *      explicitly in the shader instead of using this function. See
          *      @ref AbstractShaderProgram-attribute-location "class documentation"
          *      for more information.
+         * @see @fn_gl{BindAttribLocation}
          */
         void bindAttributeLocation(GLuint location, const std::string& name);
 
@@ -281,14 +289,15 @@ class MAGNUM_EXPORT AbstractShaderProgram {
          * Binds fragment data to location which is used later for framebuffer
          * operations. See also Framebuffer::BlendFunction for more
          * information about using color input index.
-         * @requires_gl
-         * @requires_gl33 Extension @extension{ARB,blend_func_extended}
          * @note This function should be called after attachShader() calls and
          *      before link().
          * @deprecated Preferred usage is to specify attribute location
          *      explicitly in the shader instead of using this function. See
          *      @ref AbstractShaderProgram-attribute-location "class documentation"
          *      for more information.
+         * @see @fn_gl{BindFragDataLocationIndexed}
+         * @requires_gl
+         * @requires_gl33 Extension @extension{ARB,blend_func_extended}
          */
         void bindFragmentDataLocationIndexed(GLuint location, GLuint index, const std::string& name);
 
@@ -299,6 +308,7 @@ class MAGNUM_EXPORT AbstractShaderProgram {
          *
          * The same as bindFragmentDataLocationIndexed(), but with `index` set
          * to `0`.
+         * @see @fn_gl{BindFragDataLocation}
          * @requires_gl
          * @requires_gl30 Extension @extension{EXT,gpu_shader4}
          */
@@ -310,6 +320,8 @@ class MAGNUM_EXPORT AbstractShaderProgram {
          *
          * Binds previously specified attributes to given indexes and links the
          * shader program together.
+         * @see @fn_gl{LinkProgram}, @fn_gl{GetProgram} with
+         *      @def_gl{LINK_STATUS}, @fn_gl{GetProgramInfoLog}
          */
         void link();
 
@@ -318,6 +330,7 @@ class MAGNUM_EXPORT AbstractShaderProgram {
          * @param name          Uniform name
          *
          * @note This function should be called after link().
+         * @see @fn_gl{GetUniformLocation}
          */
         GLint uniformLocation(const std::string& name);
 
@@ -327,6 +340,7 @@ class MAGNUM_EXPORT AbstractShaderProgram {
          * @param value         Value
          *
          * @attention This function doesn't check whether this shader is in use!
+         * @see @fn_gl{Uniform}
          */
         inline void setUniform(GLint location, GLfloat value) {
             glUniform1f(location, value);

src/AbstractTexture.h

@@ -535,7 +535,7 @@ class MAGNUM_EXPORT AbstractTexture {
          * @brief Max supported layer count
          *
          * At least 48.
-         * @see bind(GLint)
+         * @see bind(GLint), @fn_gl{Get} with @def_gl{MAX_COMBINED_TEXTURE_IMAGE_UNITS}
          */
         static GLint maxSupportedLayerCount();
 
@@ -543,7 +543,7 @@ class MAGNUM_EXPORT AbstractTexture {
         /**
          * @brief Max supported anisotropy
          *
-         * @see setMaxAnisotropy()
+         * @see setMaxAnisotropy(), @fn_gl{Get} with @def_gl{MAX_TEXTURE_MAX_ANISOTROPY_EXT}
          * @requires_extension @extension{EXT,texture_filter_anisotropic}
          */
         static GLfloat maxSupportedAnisotropy();
@@ -554,6 +554,7 @@ class MAGNUM_EXPORT AbstractTexture {
          * @param target    Target, e.g. `GL_TEXTURE_2D`.
          *
          * Creates one OpenGL texture.
+         * @see @fn_gl{GenTextures}
          */
         inline AbstractTexture(GLenum target): _target(target) {
             glGenTextures(1, &texture);
@@ -563,6 +564,7 @@ class MAGNUM_EXPORT AbstractTexture {
          * @brief Destructor
          *
          * Deletes assigned OpenGL texture.
+         * @see @fn_gl{DeleteTextures}
          */
         virtual ~AbstractTexture() = 0;
 
@@ -575,6 +577,7 @@ class MAGNUM_EXPORT AbstractTexture {
          * Sets current texture as active in given layer. The layer must be
          * between 0 and maxSupportedLayerCount(). Note that only one texture
          * can be bound to given layer.
+         * @see bind(), @fn_gl{ActiveTexture}
          */
         inline void bind(GLint layer) {
             glActiveTexture(GL_TEXTURE0 + layer);
@@ -595,6 +598,7 @@ class MAGNUM_EXPORT AbstractTexture {
          * see @ref AbstractTexture::Filter "Filter" and
          * @ref AbstractTexture::Mipmap "Mipmap" documentation for more
          * information.
+         * @see bind(), @fn_gl{TexParameter} with @def_gl{TEXTURE_MIN_FILTER}
          */
         AbstractTexture* setMinificationFilter(Filter filter, Mipmap mipmap = Mipmap::BaseLevel);
 
@@ -605,6 +609,7 @@ class MAGNUM_EXPORT AbstractTexture {
          *
          * Sets filter used when the object pixel size is larger than largest
          * texture size.
+         * @see bind(), @fn_gl{TexParameter} with @def_gl{TEXTURE_MAG_FILTER}
          */
         inline AbstractTexture* setMagnificationFilter(Filter filter) {
             bind();
@@ -619,6 +624,7 @@ class MAGNUM_EXPORT AbstractTexture {
          *
          * Border color when @ref AbstractTexture::Wrapping "wrapping" is set
          * to `ClampToBorder`.
+         * @see bind(), @fn_gl{TexParameter} with @def_gl{TEXTURE_BORDER_COLOR}
          * @requires_gl
          */
         inline AbstractTexture* setBorderColor(const Color4<GLfloat>& color) {
@@ -633,7 +639,7 @@ class MAGNUM_EXPORT AbstractTexture {
          *
          * Default value is `1.0`, which means no anisotropy. Set to value
          * greater than `1.0` for anisotropic filtering.
-         * @see maxSupportedAnisotropy()
+         * @see maxSupportedAnisotropy(), bind(), @fn_gl{TexParameter} with @def_gl{TEXTURE_MAX_ANISOTROPY_EXT}
          * @requires_extension @extension{EXT,texture_filter_anisotropic}
          */
         inline AbstractTexture* setMaxAnisotropy(GLfloat anisotropy) {
@@ -648,7 +654,7 @@ class MAGNUM_EXPORT AbstractTexture {
          * @return Pointer to self (for method chaining)
          *
          * Can not be used for rectangle textures.
-         * @see setMinificationFilter()
+         * @see setMinificationFilter(), @fn_gl{GenerateMipmap}
          * @requires_gl30 Extension @extension{EXT,framebuffer_object}
          */
         AbstractTexture* generateMipmap();
@@ -665,6 +671,7 @@ class MAGNUM_EXPORT AbstractTexture {
          *
          * Unlike bind(GLint) doesn't bind the texture to any particular
          * layer, thus unusable for binding for rendering.
+         * @see @fn_gl{BindTexture}
          */
         inline void bind() {
             glBindTexture(_target, texture);

src/Buffer.h

@@ -109,7 +109,7 @@ class Buffer {
             #endif
         };
 
-        /** @brief Buffer usage */
+        /** @brief %Buffer usage */
         enum class Usage: GLenum {
             /**
              * Set once by the application and used infrequently for drawing.
@@ -181,6 +181,8 @@ class Buffer {
         /**
          * @brief Unbind any buffer from given target
          * @param target     %Target
+         *
+         * @see @fn_gl{BindBuffer}
          */
         inline static void unbind(Target target) {
             glBindBuffer(static_cast<GLenum>(target), 0);
@@ -192,6 +194,7 @@ class Buffer {
          *      without parameter)
          *
          * Generates new OpenGL buffer.
+         * @see @fn_gl{GenBuffers}
          */
         inline Buffer(Target defaultTarget): _defaultTarget(defaultTarget) {
             glGenBuffers(1, &buffer);
@@ -201,6 +204,7 @@ class Buffer {
          * @brief Destructor
          *
          * Deletes associated OpenGL buffer.
+         * @see @fn_gl{DeleteBuffers}
          */
         inline virtual ~Buffer() {
             glDeleteBuffers(1, &buffer);
@@ -216,12 +220,15 @@ class Buffer {
          * @brief Bind buffer
          *
          * Binds buffer with default target.
+         * @see bind(Target)
          */
         inline void bind() { bind(_defaultTarget); }
 
         /**
          * @brief Bind buffer
          * @param target     %Target
+         *
+         * @see @fn_gl{BindBuffer}
          */
         inline void bind(Target target) {
             glBindBuffer(static_cast<GLenum>(target), buffer);
@@ -234,6 +241,7 @@ class Buffer {
          * @param usage     %Buffer usage
          *
          * Sets buffer data with default target.
+         * @see setData(Target, GLsizeiptr, const GLvoid*, Usage)
          */
         inline void setData(GLsizeiptr size, const GLvoid* data, Usage usage) {
             setData(_defaultTarget, size, data, usage);
@@ -247,6 +255,7 @@ class Buffer {
          * Sets buffer data with default target. More convenient for setting
          * data from fixed-size arrays than
          * setData(GLsizeiptr, const GLvoid*, Usage).
+         * @see setData(Target, GLsizeiptr, const GLvoid*, Usage)
          */
         template<size_t size, class T> inline void setData(const T(&data)[size], Usage usage) {
             setData(_defaultTarget, data, usage);
@@ -258,6 +267,7 @@ class Buffer {
          * @param usage     %Buffer usage
          *
          * Sets buffer data with default target.
+         * @see setData(Target, GLsizeiptr, const GLvoid*, Usage)
          */
         template<class T> inline void setData(const std::vector<T>& data, Usage usage) {
             setData(_defaultTarget, data, usage);
@@ -269,6 +279,8 @@ class Buffer {
          * @param size      Data size
          * @param data      Pointer to data
          * @param usage     %Buffer usage
+         *
+         * @see bind(Target), @fn_gl{BufferData}
          */
         inline void setData(Target target, GLsizeiptr size, const GLvoid* data, Usage usage) {
             bind(target);
@@ -283,6 +295,8 @@ class Buffer {
          *
          * More convenient for setting data from fixed-size arrays than
          * setData(Target, GLsizeiptr, const GLvoid*, Usage).
+         *
+         * @see setData(Target, GLsizeiptr, const GLvoid*, Usage)
          */
         template<size_t size, class T> inline void setData(Target target, const T(&data)[size], Usage usage) {
             setData(target, size*sizeof(T), data, usage);
@@ -293,6 +307,8 @@ class Buffer {
          * @param target    %Target
          * @param data      Vector with data
          * @param usage     %Buffer usage
+         *
+         * @see setData(Target, GLsizeiptr, const GLvoid*, Usage)
          */
         template<class T> inline void setData(Target target, const std::vector<T>& data, Usage usage) {
             setData(target, data.size()*sizeof(T), data.data(), usage);
@@ -305,6 +321,7 @@ class Buffer {
          * @param data      Pointer to data
          *
          * Sets buffer subdata with default target.
+         * @see setSubData(Target, GLintptr, GLsizeiptr, const GLvoid*)
          */
         inline void setSubData(GLintptr offset, GLsizeiptr size, const GLvoid* data) {
             setSubData(_defaultTarget, offset, size, data);
@@ -318,6 +335,7 @@ class Buffer {
          * Sets buffer subdata with default target. More convenient for
          * setting data from fixed-size arrays than
          * setSubData(GLintptr, GLsizeiptr, const GLvoid*).
+         * @see setSubData(Target, GLintptr, GLsizeiptr, const GLvoid*)
          */
         template<size_t size, class T> inline void setSubData(GLintptr offset, const T(&data)[size]) {
             setSubData(_defaultTarget, offset, data);
@@ -329,6 +347,7 @@ class Buffer {
          * @param data      Vector with data
          *
          * Sets buffer subdata with default target.
+         * @see setSubData(Target, GLintptr, GLsizeiptr, const GLvoid*)
          */
         template<class T> inline void setSubData(GLintptr offset, const std::vector<T>& data) {
             setSubData(_defaultTarget, offset, data);
@@ -340,6 +359,8 @@ class Buffer {
          * @param offset    Offset
          * @param size      Data size
          * @param data      Pointer to data
+         *
+         * @see bind(Target), @fn_gl{BufferSubData}
          */
         inline void setSubData(Target target, GLintptr offset, GLsizeiptr size, const GLvoid* data) {
             bind(target);
@@ -354,6 +375,7 @@ class Buffer {
          *
          * More convenient for setting data from fixed-size arrays than
          * setSubData(Target, GLintptr, GLsizeiptr, const GLvoid*).
+         * @see setSubData(Target, GLintptr, GLsizeiptr, const GLvoid*)
          */
         template<size_t size, class T> inline void setSubData(Target target, GLintptr offset, const T(&data)[size]) {
             setSubData(target, offset, size*sizeof(T), data);
@@ -364,6 +386,8 @@ class Buffer {
          * @param target    %Target
          * @param offset    Offset
          * @param data      Vector with data
+         *
+         * @see setSubData(Target, GLintptr, GLsizeiptr, const GLvoid*)
          */
         template<class T> inline void setSubData(Target target, GLintptr offset, const std::vector<T>& data) {
             setSubData(target, offset, data.size()*sizeof(T), data.data());

src/BufferedImage.h

@@ -32,6 +32,7 @@ namespace Magnum {
 Class for storing image data in GPU memory. Can be replaced with Image, which
 stores image data in client memory, ImageWrapper, or for example with
 Trade::ImageData.
+@see Buffer
 @requires_gl
 */
 template<size_t imageDimensions> class BufferedImage: public AbstractImage {
@@ -57,6 +58,8 @@ template<size_t imageDimensions> class BufferedImage: public AbstractImage {
          * Binds the buffer to @ref Buffer::Target "pixel unpack
          * target" and returns nullptr, so it can be used for texture updating
          * functions the same way as Image::data().
+         *
+         * @see Buffer::bind(Target)
          */
         void* data() {
             _buffer.bind(Buffer::Target::PixelUnpack);
@@ -76,6 +79,8 @@ template<size_t imageDimensions> class BufferedImage: public AbstractImage {
          *
          * Updates the image buffer with given data. The data are not deleted
          * after filling the buffer.
+         *
+         * @see setData(const Math::Vector<Dimensions, GLsizei>&, Components, ComponentType, const GLvoid*, Buffer::Usage)
          */
         template<class T> inline void setData(const Math::Vector<Dimensions, GLsizei>& dimensions, Components components, const T* data, Buffer::Usage usage) {
             setData(dimensions, components, TypeTraits<T>::imageType(), data, usage);
@@ -91,6 +96,8 @@ template<size_t imageDimensions> class BufferedImage: public AbstractImage {
          *
          * Updates the image buffer with given data. The data are not deleted
          * after filling the buffer.
+         *
+         * @see Buffer::setData()
          */
         void setData(const Math::Vector<Dimensions, GLsizei>& dimensions, Components components, ComponentType type, const GLvoid* data, Buffer::Usage usage) {
             _components = components;

src/BufferedTexture.h

@@ -121,17 +121,30 @@ class BufferedTexture {
          * @brief Constructor
          *
          * Creates one OpenGL texture.
+         * @see @fn_gl{GenTextures}
          */
         inline BufferedTexture() {
             glGenTextures(1, &texture);
         }
 
-        /** @copydoc AbstractTexture::~AbstractTexture() */
+        /**
+         * @brief Destructor
+         *
+         * Deletes assigned OpenGL texture.
+         * @see @fn_gl{DeleteTextures}
+         */
         inline virtual ~BufferedTexture() {
             glDeleteTextures(1, &texture);
         }
 
-        /** @copydoc AbstractTexture::bind(GLint) */
+        /**
+         * @brief Bind texture for rendering
+         *
+         * Sets current texture as active in given layer. The layer must be
+         * between 0 and maxSupportedLayerCount(). Note that only one texture
+         * can be bound to given layer.
+         * @see @fn_gl{ActiveTexture}, @fn_gl{BindTexture}
+         */
         inline void bind(GLint layer) {
             glActiveTexture(GL_TEXTURE0 + layer);
             bind();
@@ -145,6 +158,7 @@ class BufferedTexture {
          * Binds given buffer to this texture. The buffer itself can be then
          * filled with data of proper format at any time using Buffer own data
          * setting functions.
+         * @see @fn_gl{BindTexture}, @fn_gl{TexBuffer}
          */
         void setBuffer(InternalFormat internalFormat, Buffer* buffer) {
             bind();
@@ -154,7 +168,6 @@ class BufferedTexture {
     private:
         GLuint texture;
 
-        /** @copydoc AbstractTexture::bind() */
         inline void bind() {
             glBindTexture(GL_TEXTURE_BUFFER, texture);
         }

src/CubeMapTexture.h

@@ -63,6 +63,7 @@ class CubeMapTexture: public AbstractTexture {
         /**
          * @brief Enable/disable seamless cube map textures
          *
+         * @see @fn_gl{Enable}/@fn_gl{Disable} with @def_gl{TEXTURE_CUBE_MAP_SEAMLESS}
          * @requires_gl
          * @requires_gl32 Extension @extension{ARB,seamless_cube_map}
          */
@@ -75,6 +76,7 @@ class CubeMapTexture: public AbstractTexture {
          * @brief Constructor
          *
          * Creates one cube map OpenGL texture.
+         * @see @def_gl{TEXTURE_CUBE_MAP}
          */
         inline CubeMapTexture(): AbstractTexture(GL_TEXTURE_CUBE_MAP) {}
 

src/CubeMapTextureArray.h

@@ -50,6 +50,7 @@ class CubeMapTextureArray: public AbstractTexture {
         /**
          * @brief Enable/disable seamless cube map textures
          *
+         * @see @fn_gl{Enable}/@fn_gl{Disable} with @def_gl{TEXTURE_CUBE_MAP_SEAMLESS}
          * @requires_gl32 Extension @extension{ARB,seamless_cube_map}
          */
         inline static void setSeamless(bool enabled) {
@@ -60,6 +61,7 @@ class CubeMapTextureArray: public AbstractTexture {
          * @brief Constructor
          *
          * Creates one cube map OpenGL texture.
+         * @see @def_gl{TEXTURE_CUBE_MAP_ARRAY}
          */
         inline CubeMapTextureArray(): AbstractTexture(GL_TEXTURE_CUBE_MAP_ARRAY) {}
 

src/Framebuffer.h

@@ -109,7 +109,11 @@ class MAGNUM_EXPORT Framebuffer {
             FaceCulling = GL_CULL_FACE      /**< Back face culling */
         };
 
-        /** @brief Set feature */
+        /**
+         * @brief Set feature
+         *
+         * @see @fn_gl{Enable}/@fn_gl{Disable}
+         */
         inline static void setFeature(Feature feature, bool enabled) {
             enabled ? glEnable(static_cast<GLenum>(feature)) : glDisable(static_cast<GLenum>(feature));
         }
@@ -120,6 +124,7 @@ class MAGNUM_EXPORT Framebuffer {
          * Initial value is `PolygonFacing::Back`. If set to both front and
          * back, only points and lines are drawn.
          * @attention You have to also enable face culling with setFeature().
+         * @see @fn_gl{CullFace}
          */
         inline static void setFaceCullingMode(PolygonFacing mode) {
             glCullFace(static_cast<GLenum>(mode));
@@ -129,7 +134,7 @@ class MAGNUM_EXPORT Framebuffer {
          * @brief Set viewport size
          *
          * Call when window size changes.
-         * @see Camera::setViewport()
+         * @see @fn_gl{Viewport}
          */
         inline static void setViewport(const Math::Vector2<GLint>& position, const Math::Vector2<GLsizei>& size) {
             glViewport(position.x(), position.y(), size.x(), size.y());
@@ -157,7 +162,8 @@ class MAGNUM_EXPORT Framebuffer {
         /**
          * @brief Clear specified buffers in framebuffer
          *
-         * @see clear(), setClearColor(), setClearDepth(), setClearStencil()
+         * @see clear(), setClearColor(), setClearDepth(), setClearStencil(),
+         *      @fn_gl{Clear}
          * @todo Clearing only given draw buffer
          */
         inline static void clear(ClearMask mask) { glClear(static_cast<GLbitfield>(mask)); }
@@ -166,6 +172,7 @@ class MAGNUM_EXPORT Framebuffer {
          * @brief Set clear color
          *
          * Initial value is `{0.0f, 0.0f, 0.0f, 1.0f}`.
+         * @see @fn_gl{ClearColor}
          */
         inline static void setClearColor(const Color4<GLfloat>& color) {
             glClearColor(color.r(), color.g(), color.b(), color.a());
@@ -176,6 +183,7 @@ class MAGNUM_EXPORT Framebuffer {
          * @brief Set clear depth
          *
          * Initial value is `1.0`.
+         * @see @fn_gl{ClearDepth}
          * @requires_gl See setClearDepth(GLfloat), which is supported in OpenGL ES.
          */
         inline static void setClearDepth(GLdouble depth) { glClearDepth(depth); }
@@ -184,6 +192,7 @@ class MAGNUM_EXPORT Framebuffer {
         /**
          * @overload
          *
+         * @see @fn_gl{ClearDepth}
          * @requires_gl41 Extension @extension{ARB,ES2_compatibility}
          */
         inline static void setClearDepth(GLfloat depth) { glClearDepthf(depth); }
@@ -192,6 +201,7 @@ class MAGNUM_EXPORT Framebuffer {
          * @brief Set clear stencil
          *
          * Initial value is `0`.
+         * @see @fn_gl{ClearStencil}
          */
         inline static void setClearStencil(GLint stencil) { glClearStencil(stencil); }
 
@@ -205,7 +215,9 @@ class MAGNUM_EXPORT Framebuffer {
          * @param size          Scissor rectangle size. Initial value is
          *      size of the window when the context is first attached to a
          *      window.
+         *
          * @attention You have to enable scissoring with setFeature() first.
+         * @see @fn_gl{Scissor}
          */
         inline static void setScissor(const Math::Vector2<GLint>& bottomLeft, const Math::Vector2<GLsizei>& size) {
             glScissor(bottomLeft.x(), bottomLeft.y(), size.x(), size.y());
@@ -286,7 +298,8 @@ class MAGNUM_EXPORT Framebuffer {
          *      Initial value is all `1`s.
          *
          * @attention You have to enable stencil test with setFeature() first.
-         * @see setStencilFunction(StencilFunction, GLint, GLuint)
+         * @see setStencilFunction(StencilFunction, GLint, GLuint),
+         *      @fn_gl{StencilFuncSeparate}
          */
         inline static void setStencilFunction(PolygonFacing facing, StencilFunction function, GLint referenceValue, GLuint mask) {
             glStencilFuncSeparate(static_cast<GLenum>(facing), static_cast<GLenum>(function), referenceValue, mask);
@@ -297,6 +310,7 @@ class MAGNUM_EXPORT Framebuffer {
          *
          * The same as setStencilFunction(PolygonFacing, StencilFunction, GLint, GLuint)
          * with `facing` set to `PolygonFacing::FrontAndBack`.
+         * @see @fn_gl{StencilFunc}
          */
         inline static void setStencilFunction(StencilFunction function, GLint referenceValue, GLuint mask) {
             glStencilFunc(static_cast<GLenum>(function), referenceValue, mask);
@@ -313,7 +327,8 @@ class MAGNUM_EXPORT Framebuffer {
          *
          * Initial value for all fields is `StencilOperation::Keep`.
          * @attention You have to enable stencil test with setFeature() first.
-         * @see setStencilOperation(StencilOperation, StencilOperation, StencilOperation)
+         * @see setStencilOperation(StencilOperation, StencilOperation, StencilOperation),
+         *      @fn_gl{StencilOpSeparate}
          */
         inline static void setStencilOperation(PolygonFacing facing, StencilOperation stencilFail, StencilOperation depthFail, StencilOperation depthPass) {
             glStencilOpSeparate(static_cast<GLenum>(facing), static_cast<GLenum>(stencilFail), static_cast<GLenum>(depthFail), static_cast<GLenum>(depthPass));
@@ -324,6 +339,7 @@ class MAGNUM_EXPORT Framebuffer {
          *
          * The same as setStencilOperation(PolygonFacing, StencilOperation, StencilOperation, StencilOperation)
          * with `facing` set to `PolygonFacing::FrontAndBack`.
+         * @see @fn_gl{StencilOp}
          */
         inline static void setStencilOperation(StencilOperation stencilFail, StencilOperation depthFail, StencilOperation depthPass) {
             glStencilOp(static_cast<GLenum>(stencilFail), static_cast<GLenum>(depthFail), static_cast<GLenum>(depthPass));
@@ -345,6 +361,7 @@ class MAGNUM_EXPORT Framebuffer {
          *
          * Initial value is `DepthFunction::Less`.
          * @attention You have to enable depth test with setFeature() first.
+         * @see @fn_gl{DepthFunc}
          */
         inline static void setDepthFunction(DepthFunction function) {
             glDepthFunc(static_cast<GLenum>(function));
@@ -359,6 +376,7 @@ class MAGNUM_EXPORT Framebuffer {
          *
          * Set to `false` to disallow writing to given color channel. Initial
          * values are all `true`.
+         * @see @fn_gl{ColorMask}
          * @todo Masking only given draw buffer
          */
         inline static void setColorMask(GLboolean allowRed, GLboolean allowGreen, GLboolean allowBlue, GLboolean allowAlpha) {
@@ -370,6 +388,7 @@ class MAGNUM_EXPORT Framebuffer {
          *
          * Set to `false` to disallow writing to depth buffer. Initial value
          * is `true`.
+         * @see @fn_gl{DepthMask}
          */
         inline static void setDepthMask(GLboolean allow) {
             glDepthMask(allow);
@@ -380,7 +399,7 @@ class MAGNUM_EXPORT Framebuffer {
          *
          * Set given bit to `0` to disallow writing stencil value for given
          * faces to it. Initial value is all `1`s.
-         * @see setStencilMask(GLuint)
+         * @see setStencilMask(GLuint), @fn_gl{StencilMaskSeparate}
          */
         inline static void setStencilMask(PolygonFacing facing, GLuint allowBits) {
             glStencilMaskSeparate(static_cast<GLenum>(facing), allowBits);
@@ -391,6 +410,7 @@ class MAGNUM_EXPORT Framebuffer {
          *
          * The same as setStencilMask(PolygonFacing, GLuint) with `facing` set
          * to `PolygonFacing::FrontAndBack`.
+         * @see @fn_gl{StencilMask}
          */
         inline static void setStencilMask(GLuint allowBits) {
             glStencilMask(allowBits);
@@ -561,7 +581,8 @@ class MAGNUM_EXPORT Framebuffer {
          * How to combine source color (pixel value) with destination color
          * (framebuffer). Initial value is `BlendEquation::Add`.
          * @attention You have to enable blending with setFeature() first.
-         * @see setBlendEquation(BlendEquation, BlendEquation)
+         * @see setBlendEquation(BlendEquation, BlendEquation),
+         *      @fn_gl{BlendEquation}
          */
         inline static void setBlendEquation(BlendEquation equation) {
             glBlendEquation(static_cast<GLenum>(equation));
@@ -572,6 +593,7 @@ class MAGNUM_EXPORT Framebuffer {
          *
          * See setBlendEquation(BlendEquation) for more information.
          * @attention You have to enable blending with setFeature() first.
+         * @see @fn_gl{BlendEquationSeparate}
          */
         inline static void setBlendEquation(BlendEquation rgb, BlendEquation alpha) {
             glBlendEquationSeparate(static_cast<GLenum>(rgb), static_cast<GLenum>(alpha));
@@ -586,7 +608,8 @@ class MAGNUM_EXPORT Framebuffer {
          *      `BlendFunction::Zero`.
          *
          * @attention You have to enable blending with setFeature() first.
-         * @see setBlendFunction(BlendFunction, BlendFunction, BlendFunction, BlendFunction)
+         * @see setBlendFunction(BlendFunction, BlendFunction, BlendFunction, BlendFunction),
+         *      @fn_gl{BlendFunc}
          */
         inline static void setBlendFunction(BlendFunction source, BlendFunction destination) {
             glBlendFunc(static_cast<GLenum>(source), static_cast<GLenum>(destination));
@@ -597,6 +620,7 @@ class MAGNUM_EXPORT Framebuffer {
          *
          * See setBlendFunction(BlendFunction, BlendFunction) for more information.
          * @attention You have to enable blending with setFeature() first.
+         * @see @fn_gl{BlendFuncSeparate}
          */
         inline static void setBlendFunction(BlendFunction sourceRgb, BlendFunction destinationRgb, BlendFunction sourceAlpha, BlendFunction destinationAlpha) {
             glBlendFuncSeparate(static_cast<GLenum>(sourceRgb), static_cast<GLenum>(destinationRgb), static_cast<GLenum>(sourceAlpha), static_cast<GLenum>(destinationAlpha));
@@ -611,6 +635,7 @@ class MAGNUM_EXPORT Framebuffer {
          * `BlendFunction::ConstantAlpha` and
          * `BlendFunction::OneMinusConstantAlpha`.
          * @attention You have to enable blending with setFeature() first.
+         * @see @fn_gl{BlendColor}
          */
         inline static void setBlendColor(const Color4<GLfloat>& color) {
             glBlendColor(color.r(), color.g(), color.b(), color.a());
@@ -650,6 +675,7 @@ class MAGNUM_EXPORT Framebuffer {
          * @brief Set logical operation
          *
          * @attention You have to enable logical operation with setFeature() first.
+         * @see @fn_gl{LogicOp}
          * @requires_gl Logic operations on framebuffer are in desktop OpenGL only.
          */
         inline static void setLogicOperation(LogicOperation operation) {
@@ -727,6 +753,7 @@ class MAGNUM_EXPORT Framebuffer {
          * @brief Constructor
          *
          * Generates new OpenGL framebuffer.
+         * @see @fn_gl{GenFramebuffers}
          * @requires_gl30 Extension @extension{EXT,framebuffer_object}
          */
         inline Framebuffer() { glGenFramebuffers(1, &framebuffer); }
@@ -735,6 +762,7 @@ class MAGNUM_EXPORT Framebuffer {
          * @brief Destructor
          *
          * Deletes associated OpenGL framebuffer.
+         * @see @fn_gl{DeleteFramebuffers}
          * @requires_gl30 Extension @extension{EXT,framebuffer_object}
          */
         inline ~Framebuffer() { glDeleteFramebuffers(1, &framebuffer); }
@@ -743,6 +771,7 @@ class MAGNUM_EXPORT Framebuffer {
          * @brief Bind default framebuffer to given target
          * @param target     %Target
          *
+         * @see @fn_gl{BindFramebuffer}
          * @requires_gl30 Extension @extension{EXT,framebuffer_object}
          */
         inline static void bindDefault(Target target) {
@@ -752,6 +781,7 @@ class MAGNUM_EXPORT Framebuffer {
         /**
          * @brief Bind framebuffer
          *
+         * @see @fn_gl{BindFramebuffer}
          * @requires_gl30 Extension @extension{EXT,framebuffer_object}
          */
         inline void bind(Target target) {
@@ -769,7 +799,7 @@ class MAGNUM_EXPORT Framebuffer {
          * If used for blit(), the order is not important. Each used attachment
          * should have either renderbuffer or texture attached for writing to
          * work properly.
-         * @see mapForDraw(), mapDefaultForRead()
+         * @see mapForDraw(), mapDefaultForRead(), bindDefault(), @fn_gl{DrawBuffers}
          * @requires_gl
          * @requires_gl30 Extension @extension{EXT,framebuffer_object}
          */
@@ -785,7 +815,7 @@ class MAGNUM_EXPORT Framebuffer {
          * If used for blit(), the order is not important. Each used attachment
          * should have either renderbuffer or texture attached for writing to
          * work properly.
-         * @see mapDefaultForDraw(), mapForRead()
+         * @see mapDefaultForDraw(), mapForRead(), bind(), @fn_gl{DrawBuffers}
          * @requires_gl
          * @requires_gl30 Extension @extension{EXT,framebuffer_object}
          */
@@ -797,7 +827,7 @@ class MAGNUM_EXPORT Framebuffer {
          *
          * Each used attachment should have either renderbuffer or texture
          * attached to work properly.
-         * @see mapForRead(), mapDefaultForDraw()
+         * @see mapForRead(), mapDefaultForDraw(), bindDefault(), @fn_gl{ReadBuffer}
          * @requires_gl
          * @requires_gl30 Extension @extension{EXT,framebuffer_object}
          */
@@ -812,7 +842,7 @@ class MAGNUM_EXPORT Framebuffer {
          *
          * The color attachment should have either renderbuffer or texture
          * attached for reading to work properly.
-         * @see mapDefaultForRead(), mapForDraw()
+         * @see mapDefaultForRead(), mapForDraw(), bind(), @fn_gl{ReadBuffer}
          * @requires_gl
          * @requires_gl30 Extension @extension{EXT,framebuffer_object}
          */
@@ -854,8 +884,9 @@ class MAGNUM_EXPORT Framebuffer {
          * @brief Attach renderbuffer to given framebuffer depth/stencil attachment
          * @param target            %Target
          * @param depthStencilAttachment Depth/stencil attachment
-         * @param renderbuffer      Renderbuffer
+         * @param renderbuffer      %Renderbuffer
          *
+         * @see bind(), @fn_gl{FramebufferRenderbuffer}
          * @requires_gl30 Extension @extension{EXT,framebuffer_object}
          */
         inline void attachRenderbuffer(Target target, DepthStencilAttachment depthStencilAttachment, Renderbuffer* renderbuffer) {
@@ -868,8 +899,9 @@ class MAGNUM_EXPORT Framebuffer {
          * @brief Attach renderbuffer to given framebuffer color attachment
          * @param target            %Target
          * @param colorAttachment   Color attachment ID (number between 0 and 15)
-         * @param renderbuffer      Renderbuffer
+         * @param renderbuffer      %Renderbuffer
          *
+         * @see bind(), @fn_gl{FramebufferRenderbuffer}
          * @requires_gl30 Extension @extension{EXT,framebuffer_object}
          */
         inline void attachRenderbuffer(Target target, unsigned int colorAttachment, Renderbuffer* renderbuffer) {
@@ -886,6 +918,7 @@ class MAGNUM_EXPORT Framebuffer {
          * @param texture           1D texture
          * @param mipLevel          Mip level
          *
+         * @see bind(), @fn_gl{FramebufferTexture}
          * @requires_gl
          * @requires_gl30 Extension @extension{EXT,framebuffer_object}
          */
@@ -903,6 +936,7 @@ class MAGNUM_EXPORT Framebuffer {
          * @param texture           1D texture
          * @param mipLevel          Mip level
          *
+         * @see bind(), @fn_gl{FramebufferTexture}
          * @requires_gl
          * @requires_gl30 Extension @extension{EXT,framebuffer_object}
          */
@@ -922,7 +956,7 @@ class MAGNUM_EXPORT Framebuffer {
          * @param mipLevel          Mip level. For rectangle textures it
          *      should be always 0.
          *
-         * @see attachCubeMapTexture()
+         * @see attachCubeMapTexture(), bind(), @fn_gl{FramebufferTexture}
          * @requires_gl30 Extension @extension{EXT,framebuffer_object}
          */
         inline void attachTexture2D(Target target, DepthStencilAttachment depthStencilAttachment, Texture2D* texture, GLint mipLevel) {
@@ -940,7 +974,7 @@ class MAGNUM_EXPORT Framebuffer {
          * @param mipLevel          Mip level. For rectangle textures it
          *      should be always 0.
          *
-         * @see attachCubeMapTexture()
+         * @see attachCubeMapTexture(), bind(), @fn_gl{FramebufferTexture}
          * @requires_gl30 Extension @extension{EXT,framebuffer_object}
          */
         inline void attachTexture2D(Target target, unsigned int colorAttachment, Texture2D* texture, GLint mipLevel) {
@@ -958,7 +992,7 @@ class MAGNUM_EXPORT Framebuffer {
          * @param coordinate        Cube map coordinate
          * @param mipLevel          Mip level
          *
-         * @see attachTexture2D()
+         * @see attachTexture2D(), bind(), @fn_gl{FramebufferTexture}
          * @requires_gl30 Extension @extension{EXT,framebuffer_object}
          */
         inline void attachCubeMapTexture(Target target, DepthStencilAttachment depthStencilAttachment, CubeMapTexture* texture, CubeMapTexture::Coordinate coordinate, GLint mipLevel) {
@@ -975,7 +1009,7 @@ class MAGNUM_EXPORT Framebuffer {
          * @param coordinate        Cube map coordinate
          * @param mipLevel          Mip level
          *
-         * @see attachTexture2D()
+         * @see attachTexture2D(), bind(), @fn_gl{FramebufferTexture}
          * @requires_gl30 Extension @extension{EXT,framebuffer_object}
          */
         inline void attachCubeMapTexture(Target target, unsigned int colorAttachment, CubeMapTexture* texture, CubeMapTexture::Coordinate coordinate, GLint mipLevel) {
@@ -993,6 +1027,7 @@ class MAGNUM_EXPORT Framebuffer {
          * @param mipLevel          Mip level
          * @param layer             Layer of 2D image within a 3D texture
          *
+         * @see bind(), @fn_gl{FramebufferTexture}
          * @requires_gl
          * @requires_gl30 Extension @extension{EXT,framebuffer_object}
          */
@@ -1011,6 +1046,7 @@ class MAGNUM_EXPORT Framebuffer {
          * @param mipLevel          Mip level
          * @param layer             Layer of 2D image within a 3D texture.
          *
+         * @see bind(), @fn_gl{FramebufferTexture}
          * @requires_gl
          * @requires_gl30 Extension @extension{EXT,framebuffer_object}
          */
@@ -1065,6 +1101,7 @@ class MAGNUM_EXPORT Framebuffer {
          * mapDefaultForDraw() for binding particular framebuffer for reading
          * and drawing. If multiple attachments are specified in mapForDraw()
          * / mapDefaultForDraw(), the data are written to each of them.
+         * @see @fn_gl{BlitFramebuffer}
          * @requires_gl
          * @requires_gl30 Extension @extension{EXT,framebuffer_blit}
          */
@@ -1085,6 +1122,7 @@ class MAGNUM_EXPORT Framebuffer {
          * no interpolation is needed and thus
          * AbstractTexture::Filter::NearestNeighbor filtering is used by
          * default.
+         * @see @fn_gl{BlitFramebuffer}
          * @requires_gl
          * @requires_gl30 Extension @extension{EXT,framebuffer_blit}
          */
@@ -1101,6 +1139,7 @@ class MAGNUM_EXPORT Framebuffer {
          * @param type              Data type
          * @param image             %Image where to put the data
          *
+         * @see @fn_gl{ReadPixels}
          * @requires_gl30 Extension @extension{EXT,framebuffer_object}
          */
         static void read(const Math::Vector2<GLint>& offset, const Math::Vector2<GLsizei>& dimensions, AbstractImage::Components components, AbstractImage::ComponentType type, Image2D* image);
@@ -1115,6 +1154,7 @@ class MAGNUM_EXPORT Framebuffer {
          * @param image             Buffered image where to put the data
          * @param usage             %Buffer usage
          *
+         * @see Buffer::bind(Target), @fn_gl{ReadPixels}
          * @requires_gl
          * @requires_gl30 Extension @extension{EXT,framebuffer_object}
          */

src/IndexedMesh.h

@@ -69,12 +69,22 @@ class MAGNUM_EXPORT IndexedMesh: public Mesh {
          */
         inline Buffer* indexBuffer() { return &_indexBuffer; }
 
+        /**
+         * @brief Draw the mesh
+         *
+         * Expects an active shader with all uniforms set.
+         * @see Buffer::bind(), bind(), unbind(), finalize(), @fn_gl{DrawElements}
+         * @todo Index buffer bound every time?!
+         */
         void draw();
 
     protected:
-        #ifndef DOXYGEN_GENERATING_OUTPUT
+        /**
+         * @brief Finalize the mesh
+         *
+         * @see Mesh::finalize(), Buffer::bind()
+         */
         MAGNUM_LOCAL void finalize();
-        #endif
 
     private:
         Buffer _indexBuffer;

src/Mesh.h

@@ -69,6 +69,7 @@ class MAGNUM_EXPORT Mesh {
          * @brief Set front-facing polygon winding
          *
          * Initial value is `FrontFace::%CounterClockWise`.
+         * @see @fn_gl{FrontFace}
          */
         void setFrontFace(FrontFace mode) {
             glFrontFace(static_cast<GLenum>(mode));
@@ -96,6 +97,7 @@ class MAGNUM_EXPORT Mesh {
          * @brief Set provoking vertex
          *
          * Initial value is <tt>ProvokingMode::%LastVertexConvention</tt>.
+         * @see @fn_gl{ProvokingVertex}
          * @requires_gl OpenGL ES behaves always like the default.
          * @requires_gl32 Extension @extension{ARB,provoking_vertex}. Older
          *      versions behave always like the default.
@@ -137,6 +139,7 @@ class MAGNUM_EXPORT Mesh {
          * @brief Set polygon drawing mode
          *
          * Initial value is `PolygonMode::%Fill`.
+         * @see @fn_gl{PolygonMode}
          * @requires_gl OpenGL ES behaves always like the default. See
          *      setPrimitive() for possible workaround.
          */
@@ -171,7 +174,7 @@ class MAGNUM_EXPORT Mesh {
          * @brief Enable/disable polygon offset for given mode
          *
          * Initially disabled for all modes.
-         * @see setPolygonOffset()
+         * @see setPolygonOffset(), @fn_gl{Enable}/@fn_gl{Disable}
          */
         inline static void setPolygonOffsetMode(PolygonOffsetMode mode, bool enabled) {
             enabled ? glEnable(static_cast<GLenum>(mode)) : glDisable(static_cast<GLenum>(mode));
@@ -184,6 +187,7 @@ class MAGNUM_EXPORT Mesh {
          *
          * @attention You have to call setPolygonOffsetMode() to enable
          *      polygon offset for desired polygon modes.
+         * @see @fn_gl{PolygonOffset}
          */
         inline static void setPolygonOffset(GLfloat factor, GLfloat units) {
             glPolygonOffset(factor, units);
@@ -192,7 +196,8 @@ class MAGNUM_EXPORT Mesh {
         /**
          * @brief Set line width
          *
-         * Initial value is 1.
+         * Initial value is `1.0f`.
+         * @see @fn_gl{LineWidth}
          */
         inline static void setLineWidth(GLfloat width) {
             glLineWidth(width);
@@ -203,7 +208,7 @@ class MAGNUM_EXPORT Mesh {
          * @brief Set point size
          *
          * Initial value is `1.0f`.
-         * @see setProgramPointSize()
+         * @see setProgramPointSize(), @fn_gl{PointSize}
          * @requires_gl Set directly in vertex shader using @c gl_PointSize
          *      builtin variable.
          */
@@ -216,7 +221,7 @@ class MAGNUM_EXPORT Mesh {
          *
          * If enabled, the point size is taken from vertex/geometry shader
          * builtin `gl_PointSize`. Initially disabled on desktop OpenGL.
-         * @see setPointSize()
+         * @see setPointSize(), @fn_gl{Enable}/@fn_gl{Disable} with @def_gl{PROGRAM_POINT_SIZE}
          * @requires_gl Always enabled on OpenGL ES.
          */
         inline static void setProgramPointSize(bool enabled) {
@@ -272,7 +277,7 @@ class MAGNUM_EXPORT Mesh {
         };
 
         /**
-         * @brief Buffer type
+         * @brief %Buffer type
          *
          * If storing more than one attribute data in the buffer, the data of
          * one attribute can be either kept together or interleaved with data
@@ -292,6 +297,7 @@ class MAGNUM_EXPORT Mesh {
          * Allows creating the object without knowing anything about mesh
          * data. Note that you have to call setVertexCount() manually for mesh
          * to draw properly.
+         * @see @fn_gl{GenVertexArrays}
          */
         inline Mesh(Primitive primitive = Primitive::Triangles): _primitive(primitive), _vertexCount(0), finalized(false) {
             #ifndef MAGNUM_TARGET_GLES
@@ -303,6 +309,8 @@ class MAGNUM_EXPORT Mesh {
          * @brief Constructor
          * @param primitive     Primitive type
          * @param vertexCount   Vertex count
+         *
+         * @see @fn_gl{GenVertexArrays}
          */
         inline Mesh(Primitive primitive, GLsizei vertexCount): _primitive(primitive), _vertexCount(vertexCount), finalized(false) {
             #ifndef MAGNUM_TARGET_GLES
@@ -317,6 +325,7 @@ class MAGNUM_EXPORT Mesh {
          * @brief Destructor
          *
          * Deletes all associated buffers.
+         * @see @fn_gl{DeleteVertexArrays}
          */
         inline virtual ~Mesh() { destroy(); }
 
@@ -391,18 +400,30 @@ class MAGNUM_EXPORT Mesh {
          * @brief Draw the mesh
          *
          * Expects an active shader with all uniforms set.
+         * @see bind(), unbind(), finalize(), @fn_gl{DrawArrays}
          */
         virtual void draw();
 
     protected:
-        #ifndef DOXYGEN_GENERATING_OUTPUT
-        /** @brief Bind all buffers */
+        /**
+         * @brief Bind all buffers
+         *
+         * @see @fn_gl{EnableVertexAttribArray}, @fn_gl{VertexAttribPointer}
+         */
         void bindBuffers();
 
-        /** @brief Bind vertex array or all buffers */
+        /**
+         * @brief Bind vertex array or all buffers
+         *
+         * @see @fn_gl{BindVertexArray} or bindBuffers()
+         */
         void bind();
 
-        /** @brief Unbind vertex array or all buffers */
+        /**
+         * @brief Unbind vertex array or all buffers
+         *
+         * @see @fn_gl{BindVertexArray} or @fn_gl{DisableVertexAttribArray}
+         */
         void unbind();
 
         /**
@@ -410,9 +431,9 @@ class MAGNUM_EXPORT Mesh {
          *
          * Computes location and stride of each attribute in its buffer. After
          * this function is called, no new attribute can be bound.
+         * @see bindBuffers()
          */
         MAGNUM_LOCAL void finalize();
-        #endif
 
     private:
         /** @brief Vertex attribute */

src/Query.h

@@ -39,6 +39,7 @@ class MAGNUM_EXPORT AbstractQuery {
          * @brief Constructor
          *
          * Generates one OpenGL query.
+         * @see @fn_gl{GenQueries}
          */
         inline AbstractQuery() { glGenQueries(1, &query); }
 
@@ -46,11 +47,14 @@ class MAGNUM_EXPORT AbstractQuery {
          * @brief Destructor
          *
          * Deletes assigned OpenGL query.
+         * @see @fn_gl{DeleteQueries}
          */
         virtual inline ~AbstractQuery() { glDeleteQueries(1, &query); }
 
         /**
          * @brief Whether the result is available
+         *
+         * @see @fn_gl{GetQueryObject} with @def_gl{QUERY_RESULT_AVAILABLE}
          */
         bool resultAvailable();
 
@@ -61,7 +65,7 @@ class MAGNUM_EXPORT AbstractQuery {
          *
          * Note that this function is blocking until the result is available.
          * See resultAvailable().
-         *
+         * @see @fn_gl{GetQueryObject} with @def_gl{QUERY_RESULT}
          * @requires_gl33 Extension @extension{ARB,timer_query} (result type `GLuint64` and `GLint64`)
          */
         template<class T> T result();
@@ -130,6 +134,7 @@ class MAGNUM_EXPORT Query: public AbstractQuery {
          * @brief Begin query
          *
          * Begins counting of given @p target until end() is called.
+         * @see @fn_gl{BeginQuery}
          */
         void begin(Target target);
 
@@ -137,6 +142,7 @@ class MAGNUM_EXPORT Query: public AbstractQuery {
          * @brief End query
          *
          * The result can be then retrieved by calling result().
+         * @see @fn_gl{EndQuery}
          */
         void end();
 
@@ -239,6 +245,7 @@ class MAGNUM_EXPORT SampleQuery: public AbstractQuery {
         /**
          * @brief Begin conditional rendering based on result value
          *
+         * @see @fn_gl{BeginConditionalRender}
          * @requires_gl30 Extension @extension{NV,conditional_render}
          */
         inline void beginConditionalRender(ConditionalRenderMode mode) {
@@ -248,6 +255,7 @@ class MAGNUM_EXPORT SampleQuery: public AbstractQuery {
         /**
          * @brief End conditional render
          *
+         * @see @fn_gl{EndConditionalRender}
          * @requires_gl30 Extension @extension{NV,conditional_render}
          */
         inline void endConditionalRender() {
@@ -293,7 +301,11 @@ Using this query results in fewer OpenGL calls when doing more measures.
 */
 class TimeQuery: public AbstractQuery {
     public:
-        /** @brief Query timestamp */
+        /**
+         * @brief Query timestamp
+         *
+         * @see @fn_gl{QueryCounter} with @def_gl{TIMESTAMP}
+         */
         inline void timestamp() {
             glQueryCounter(query, GL_TIMESTAMP);
         }

src/Renderbuffer.h

@@ -184,6 +184,7 @@ class Renderbuffer {
          * @brief Constructor
          *
          * Generates new OpenGL renderbuffer.
+         * @see @fn_gl{GenRenderbuffers}
          */
         inline Renderbuffer() {
             glGenRenderbuffers(1, &renderbuffer);
@@ -193,6 +194,7 @@ class Renderbuffer {
          * @brief Destructor
          *
          * Deletes associated OpenGL renderbuffer.
+         * @see @fn_gl{DeleteRenderbuffers}
          */
         inline ~Renderbuffer() {
             glDeleteRenderbuffers(1, &renderbuffer);
@@ -201,7 +203,11 @@ class Renderbuffer {
         /** @brief OpenGL internal renderbuffer ID */
         inline GLuint id() const { return renderbuffer; }
 
-        /** @brief Bind renderbuffer */
+        /**
+         * @brief Bind renderbuffer
+         *
+         * @see @fn_gl{BindRenderbuffer}
+         */
         inline void bind() {
             glBindRenderbuffer(GL_RENDERBUFFER, renderbuffer);
         }
@@ -210,6 +216,8 @@ class Renderbuffer {
          * @brief Set renderbuffer storage
          * @param internalFormat    Internal format
          * @param size              Renderbuffer size
+         *
+         * @see bind(), @fn_gl{RenderbufferStorage}
          */
         inline void setStorage(InternalFormat internalFormat, const Math::Vector2<GLsizei>& size) {
             bind();

src/Shader.h

@@ -122,7 +122,7 @@ class MAGNUM_EXPORT Shader {
          *
          * Creates empty OpenGL shader. Sources can be added with addSource()
          * or addFile().
-         * @see fromData(), fromFile()
+         * @see fromData(), fromFile(), @fn_gl{CreateShader}
          */
         inline Shader(Type type): _type(type), _state(State::Initialized), shader(0) {
             shader = glCreateShader(static_cast<GLenum>(_type));
@@ -132,6 +132,7 @@ class MAGNUM_EXPORT Shader {
          * @brief Destructor
          *
          * Deletes associated OpenGL shader.
+         * @see @fn_gl{DeleteShader}
          */
         inline ~Shader() { if(shader) glDeleteShader(shader); }
 
@@ -185,7 +186,9 @@ class MAGNUM_EXPORT Shader {
          * before, it tries to compile it. If compilation fails or no sources
          * are present, returns 0. If the shader was compiled already, returns
          * already existing shader.
-         * @see state()
+         * @see state(), @fn_gl{ShaderSource}, @fn_gl{CompileShader},
+         *      @fn_gl{GetShader} with @def_gl{COMPILE_STATUS},
+         *      @fn_gl{GetShaderInfoLog}
          */
         GLuint compile();
 

src/Texture.h

@@ -122,6 +122,8 @@ template<size_t textureDimensions> class Texture: public AbstractTexture {
          * @attention For rectangle textures only some modes are supported,
          * see @ref AbstractTexture::Wrapping "Wrapping" documentation for
          * more information.
+         * @see bind(), @fn_gl{TexParameter} with @def_gl{TEXTURE_WRAP_S},
+         *      @def_gl{TEXTURE_WRAP_T}, @def_gl{TEXTURE_WRAP_R}
          */
         inline Texture<Dimensions>* setWrapping(const Math::Vector<Dimensions, Wrapping>& wrapping) {
             bind();
@@ -139,6 +141,7 @@ template<size_t textureDimensions> class Texture: public AbstractTexture {
          *
          * Sets texture data from given image. The image is not deleted
          * afterwards.
+         * @see bind(), @fn_gl{TexImage1D}, @fn_gl{TexImage2D}, @fn_gl{TexImage3D}
          */
         template<class Image> inline Texture<Dimensions>* setData(GLint mipLevel, InternalFormat internalFormat, Image* image) {
             bind();
@@ -162,6 +165,7 @@ template<size_t textureDimensions> class Texture: public AbstractTexture {
          * taken as if it had the last dimension equal to 1. It can be used
          * for e.g. updating 3D texture with multiple 2D images or for filling
          * 1D texture array (which is two-dimensional) with 1D images.
+         * @see bind(), @fn_gl{TexSubImage1D}, @fn_gl{TexSubImage2D}, @fn_gl{TexSubImage3D}
          */
         template<class Image> inline Texture<Dimensions>* setSubData(GLint mipLevel, const Math::Vector<Dimensions, GLint>& offset, Image* image) {
             bind();