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Saturday, December 8, 2007

OpenGL Functions

OpenGL
GL Functions

The OpenGL commands, in alphabetical order are presented here. Each reference page describes one or more function. See also GLU Functions.

Function Description
glAccum The glAccum function operates on the accumulation buffer.
glAddSwapHintRectWIN The glAddSwapHintRectWIN function specifies a set of rectangles that are to be copied by SwapBuffers.
glAlphaFunc The glAlphaFunc function enables your application to set the alpha test function.
glAreTexturesResident The glAreTexturesResident function determines whether specified texture objects are resident in texture memory.
glArrayElement The glArrayElement function specifies the array elements used to render a vertex.
glBegin, glEnd The glBegin and glEnd functions delimit the vertices of a primitive or a group of like primitives.
glBindTexture The glBindTexture function enables the creation of a named texture that is bound to a texture target.
glBitmap The glBitmap function draws a bitmap.
glBlendFunc The glBlendFunc function specifies pixel arithmetic.
glCallList The glCallList function executes a display list.
glCallLists The glCallLists function executes a list of display lists.
glClear The glClear function clears buffers to preset values.
glClearAccum The glClearAccum function specifies the clear values for the accumulation buffer.
glClearColor The glClearColor function specifies clear values for the color buffers.
glClearDepth The glClearDepth function specifies the clear value for the depth buffer.
glClearIndex The glClearIndex function specifies the clear value for the color-index buffers.
glClearStencil The glClearStencil function specifies the clear value for the stencil buffer.
glClipPlane The glClipPlane function specifies a plane against which all geometry is clipped.
glColor These functions set the current color.
glColorMask The glColorMask function enables and disables writing of frame-buffer color components.
glColorMaterial The glColorMaterial function causes a material color to track the current color.
glColorPointer The glColorPointer function defines an array of colors.
glColorTableEXT The glColorTableEXT function specifies the format and size of a palette for targeted paletted textures.
glColorSubTableEXT The glColorSubTableEXT function specifies a portion of the targeted texture's palette to be replaced.
glCopyPixels The glCopyPixels function copies pixels in the framebuffer.
glCopyTexImage1D The glCopyTexImage1D function copies pixels from the framebuffer into a one-dimensional texture image.
glCopyTexImage2D The glCopyTexImage2D function copies pixels from the framebuffer into a two-dimensional texture image.
glCopyTexSubImage1D The glCopyTexSubImage1D function copies a sub-image of a one-dimensional texture image from the framebuffer.
glCopyTexSubImage2D The glCopyTexSubImage2D function copies a sub-image of a two-dimensional texture image from the framebuffer.
glCullFace The glCullFace function specifies whether front- or back-facing facets can be culled.
glDeleteLists The glDeleteLists function deletes a contiguous group of display lists.
glDeleteTextures The glDeleteTextures function deletes named textures.
glDepthFunc The glDepthFunc function specifies the value used for depth-buffer comparisons.
glDepthMask The glDepthMask function enables or disables writing into the depth buffer.
glDepthRange The glDepthRange function specifies the mapping of z values from normalized device coordinates to window coordinates.
glDrawArrays The glDrawArrays function specifies multiple primitives to render.
glDrawBuffer The glDrawBuffer function specifies which color buffers are to be drawn into.
glDrawElements The glDrawElements function renders primitives from array data.
glDrawPixels The glDrawPixels function writes a block of pixels to the framebuffer.
glEdgeFlag The glEdgeFlagPointer function defines an array of edge flags.
glEdgeFlagPointer The glEdgeFlagPointer function defines an array of edge flags.
glEnable, glDisable The glEnable and glDisable functions enable or disable OpenGL capabilities.
glEnableClientState, glDisableClientState The glEnableClientState and glDisableClientState functions enable and disable arrays respectively.
glEvalCoord These functions evaluate enabled one- and two-dimensional maps.
glEvalMesh1, glEvalMesh2 The glEvalMesh1 and glEvalMesh2 functions compute a one- or two-dimensional grid of points or lines.
glEvalPoint1, glEvalPoint2 The glEvalPoint1 and glEvalPoint2 functions generate and evaluate a single point in a mesh.
glFeedbackBuffer The glFeedbackBuffer function controls feedback mode.
glFinish The glFinish function blocks until all OpenGL execution is complete.
glFlush The glFlush function forces execution of OpenGL functions in finite time.
glFogf, glFogi, glFogfv, glFogiv These functions specify fog parameters.
glFrontFace The glFrontFace function defines front- and back-facing polygons.
glFrustum The glFrustum function multiplies the current matrix by a perspective matrix.
glGenLists The glGenLists function generates a contiguous set of empty display lists.
glGenTextures The glGenTextures function generates texture names.
glGetBooleanv, glGetDoublev, glGetFloatv, glGetIntegerv These functions return the value or values of a selected parameter.
glGetClipPlane The glGetClipPlane function returns the coefficients of the specified clipping plane.
glGetColorTableEXT The glGetColorTableEXT function gets the color table data of the current targeted texture palette.
glGetColorTableParameterfvEXT, glGetColorTableParameterivEXT The glGetColorTableParameterfvEXT and glGetColorTableParameterivEXT functions get palette parameters from color tables.
glGetError The glGetError function returns error information.
glGetLightfv, glGetLightiv The glGetLightfv and glGetLightiv functions return light source parameter values.
glGetMapdv, glGetMapfv, glGetMapiv These functions return evaluator parameters.
glGetMaterialfv, glGetMaterialiv The glGetMaterialfv and glGetMaterialiv functions return material parameters.
glGetPixelMapfv, glGetPixelMapuiv, glGetPixelMapusv These functions return the specified pixel map.
glGetPointerv The glGetPointerv function returns the address of a vertex data array.
glGetPolygonStipple The glGetPolygonStipple function returns the polygon stipple pattern.
glGetString The glGetString function returns a string describing the current OpenGL connection.
glGetTexEnvfv The glGetTexEnvfv and glGetTexEnviv functions return texture environment parameters.
glGetTexGendv, glGetTexGenfv, glGetTexGeniv These functions return texture coordinate generation parameters.
glGetTexImage The glGetTexImage function returns a texture image.
glGetTexLevelParameterfv, glGetTexLevelParameteriv The glGetTexLevelParameterfv and glGetTexLevelParameteriv functions return texture parameter values for a specific level of detail.
glGetTexParameterfv, glGetTexParameteriv The glGetTexParameterfv and glGetTexParameteriv functions return texture parameter values.
glHint The glHint function specifies implementation-specific hints.
glIndex These functions set the current color index.
glIndexMask The glIndexMask function controls the writing of individual bits in the color-index buffers.
glIndexPointer The glIndexPointer function defines an array of color indexes.
glInitNames The glInitNames function initializes the name stack.
glInterleavedArrays The glInterleavedArrays function simultaneously specifies and enables several interleaved arrays in a larger aggregate array.
glIsEnabled The gllsEnabled function tests whether a capability is enabled.
glIsList The gllsList function tests for display list existence.
glIsTexture The glIsTexture function determines if a name corresponds to a texture.
glLightf, glLighti, glLightfv, glLightiv These functions set light-source parameters.
glLightModelf, glLightModeli, glLightModelfv, glLightModeliv These functions set the lighting model parameters.
glLineStipple The glLineStipple function specifies the line stipple pattern.
glLineWidth The glLineWidth function specifies the width of rasterized lines.
glListBase The glListBase function sets the display list base for glCallLists.
glLoadIdentity The glLoadIdentity function replaces the current matrix with the identity matrix.
glLoadMatrixd, glLoadMatrixf The glLoadMatrixd and glLoadMatrixf functions replace the current matrix with an arbitrary matrix.
glLoadName The glLoadName function loads a name onto the name stack.
glLogicOp The glLogicOp function specifies a logical pixel operation for color index rendering.
glMap1d, glMap1f The glMap1d and glMap1f functions define a one-dimensional evaluator.
glMap2d, glMap2f The glMap2d and glMap2f functions define a two-dimensional evaluator.
glMapGrid1d, glMapGrid1f, glMapGrid2d, glMapGrid2f These functions define a one- or two-dimensional mesh.
glMaterialf, glMateriali, glMaterialfv, glMaterialiv These functions specify material parameters for the lighting model.
glMatrixMode The glMatrixMode function specifies which matrix is the current matrix.
glMultMatrixd, glMultMatrixf The glMultMatrixd and glMultMatrixf functions multiply the current matrix by an arbitrary matrix.
glNewList, glEndList The glNewList and glEndList functions create or replace a display list.
glNormal These functions set the current normal vector.
glNormalPointer The glNormalPointer function defines an array of normals.
glOrtho The glOrtho function multiplies the current matrix by an orthographic matrix.
glPassThrough The glPassThrough function places a marker in the feedback buffer.
glPixelMapfv, glPixelMapuiv, glPixelMapusv These functions set up pixel transfer maps.
glPixelStoref, glPixelStorei The glPixelStoref and glPixelStorei functions set pixel storage modes.
glPixelTransferf, glPixelTransferi The glPixelTransferf and glPixelTransferi functions set pixel transfer modes.
glPixelZoom The glPixelZoom function specifies the pixel zoom factors.
glPointSize The glPointSize function specifies the diameter of rasterized points.
glPolygonMode The glPolygonMode function selects a polygon rasterization mode.
glPolygonOffset The glPolygonOffset function sets the scale and units OpenGL uses to calculate depth values.
glPolygonStipple The glPolygonStipple function sets the polygon stippling pattern.
glPrioritizeTextures The glPrioritizeTextures function sets the residence priority of textures.
glPushAttrib, glPopAttrib The glPushAttrib and glPopAttrib functions push and pop the attribute stack.
glPushClientAttrib, glPopClientAttrib The glPushClientAttrib and glPopClientAttrib functions save and restore groups of client-state variables on the client-attribute stack.
glPushMatrix, glPopMatrix The glPushMatrix and glPopMatrix functions push and pop the current matrix stack.
glPushName, glPopName The glPushName and glPopName functions push and pop the name stack.
glRasterPos These functions specify the raster position for pixel operations.
glReadBuffer The glReadBuffer function selects a color buffer source for pixels.
glReadPixels The glReadPixels function reads a block of pixels from the framebuffer.
glRectd, glRectf, glRecti, glRects, glRectdv, glRectfv, glRectiv, glRectsv These functions draw a rectangle.
glRenderMode The glRenderMode function sets the rasterization mode.
glRotated, glRotatef The glRotated and glRotatef functions multiply the current matrix by a rotation matrix.
glScaled, glScalef The glScaled and glScalef functions multiply the current matrix by a general scaling matrix.
glScissor The glScissor function defines the scissor box.
glSelectBuffer The glSelectBuffer function establishes a buffer for selection mode values.
glShadeModel The glShadeModel function selects flat or smooth shading.
glStencilFunc The glStencilFunc function sets the function and reference value for stencil testing.
glStencilMask The glStencilMask function controls the writing of individual bits in the stencil planes.
glStencilOp The glStencilOp function sets the stencil test actions.
glTexCoord These functions set the current texture coordinates.
glTexCoordPointer The glTexCoordPointer function defines an array of texture coordinates.
glTexEnvf, glTexEnvi, glTexEnvfv, glTexEnviv These functions set texture environment parameters.
glTexGend, glTexGenf, glTexGeni, glTexGendv, glTexGenfv, glTexGeniv These functions control the generation of texture coordinates.
glTexImage1D The glTexImage1D function specifies a one-dimensional texture image.
glTexImage2D The glTexImage2D function specifies a two-dimensional texture image.
glTexParameterf, glTexParameteri, glTexParameterfv, glTexParameteriv These functions set texture parameters.
glTexSubImage1D The glTexSubImage1D function specifies a portion of an existing one-dimensional texture image. You cannot define a new texture with glTexSubImage1D.
glTexSubImage2D The glTexSubImage2D function specifies a portion of an existing one-dimensional texture image. You cannot define a new texture with glTexSubImage2D.
glTranslated, glTranslatef The glTranslated and glTranslatef functions multiply the current matrix by a translation matrix.
glVertex These functions specify a vertex.
glVertexPointer The glVertexPointer function defines an array of vertex data.
glViewport The glViewport function sets the viewport.

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