StgSharp

A sensor used for cheking out if a bullet hit a player or something else

A 2D vector presenting the position of an enemy entity, position can also be visited by X, Y

X position of an enenmy entity

Y position of an enemy entity

当几何体调用了过多的CalcVec方法时，产生UnusedVertexException异常

计算位移失量，需要手动输入游戏刻以提供时间数据

表示位移量的三维矢量

平面几何体。包含三角形，对称四边形，自由多边形等。最多可由16个点参数定义。

移动平行四边形的第三个顶点，是一个多余的方法，调用会引发多余变量异常

当前游戏刻几何体过定义

刷新点的位置，即移动点。当该点是某个几何体的从动点时（即点坐标由几何体其他点约束或点参数已经在创建几何体时定义）请不要再次进行定义，程序将自行忽略此处的代码。

当前游戏刻

计算中心点相对于参考原点的位移

当前游戏刻

OpenGL接口函数封装类

bind a named texture to a texturing target.

Specifies the target to which the texture is bound. Must be either GL_TEXTURE_1D, GL_TEXTURE_2D, GL_TEXTURE_3D, or GL_TEXTURE_CUBE_MAP. Specifies the name of a texture.

specify pixel arithmetic.

Specifies how the red, green, blue, and alpha source blending factors are computed. The following symbolic constants are accepted: GL_ZERO, GL_ONE, GL_SRC_COLOR, GL_ONE_MINUS_SRC_COLOR, GL_DST_COLOR, GL_ONE_MINUS_DST_COLOR, GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_DST_ALPHA, GL_ONE_MINUS_DST_ALPHA, GL_CONSTANT_COLOR,GL_ONE_MINUS_CONSTANT_COLOR, GL_CONSTANT_ALPHA, GL_ONE_MINUS_CONSTANT_ALPHA, and GL_SRC_ALPHA_SATURATE. The initial value is GL_ONE. Specifies how the red, green, blue, and alpha destination blending factors are computed. The following symbolic constants are accepted: GL_ZERO, GL_ONE, GL_SRC_COLOR, GL_ONE_MINUS_SRC_COLOR, GL_DST_COLOR, GL_ONE_MINUS_DST_COLOR, GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_DST_ALPHA, GL_ONE_MINUS_DST_ALPHA. GL_CONSTANT_COLOR, GL_ONE_MINUS_CONSTANT_COLOR, GL_CONSTANT_ALPHA, and GL_ONE_MINUS_CONSTANT_ALPHA. The initial value is GL_ZERO.

clear buffers to preset values.

Bitwise OR of masks that indicate the buffers to be cleared. The four masks are GL_COLOR_BUFFER_BIT, GL_DEPTH_BUFFER_BIT, GL_ACCUM_BUFFER_BIT,and GL_STENCIL_BUFFER_BIT.

specify clear values for the color buffers.

Specify the red value used when the color buffers are cleared. The initial value is 0. Specify the green value used when the color buffers are cleared. The initial value is 0. Specify the blue value used when the color buffers are cleared. The initial value is 0. Specify the alpha value used when the color buffers are cleared. The initial value is 0.

specify the clear value for the depth buffer.

Specifies the depth value used when the depth buffer is cleared. The initial value is 1.

specify the clear value for the stencil buffer.

Specifies the index used when the stencil buffer is cleared. The initial value is 0.

enable and disable writing of frame buffer color components.

Specify whether red can or cannot be written into the frame buffer. The initial value is GL_TRUE, indicating that the color component can be written. Specify whether green can or cannot be written into the frame buffer. The initial value is GL_TRUE, indicating that the color component can be written. Specify whether blue can or cannot be written into the frame buffer. The initial value is GL_TRUE, indicating that the color component can be written. Specify whether alpha can or cannot be written into the frame buffer. The initial value is GL_TRUE, indicating that the color component can be written.

copy pixels into a 1D texture image.

Specifies the target texture. Must be GL_TEXTURE_1D. Specifies the level-of-detail number. Level 0 is the base image level. Level n is the nth mipmap reduction image. Specifies the internal format of the texture. Must be one of the following symbolic constants: GL_ALPHA, GL_ALPHA4, GL_ALPHA8, GL_ALPHA12, GL_ALPHA16, GL_COMPRESSED_ALPHA, GL_COMPRESSED_LUMINANCE, GL_COMPRESSED_LUMINANCE_ALPHA, GL_COMPRESSED_INTENSITY, GL_COMPRESSED_RGB, GL_COMPRESSED_RGBA, GL_DEPTH_COMPONENT, GL_DEPTH_COMPONENT16,GL_DEPTH_COMPONENT24, GL_DEPTH_COMPONENT32, GL_LUMINANCE, GL_LUMINANCE4, GL_LUMINANCE8, GL_LUMINANCE12, GL_LUMINANCE16, GL_LUMINANCE_ALPHA, GL_LUMINANCE4_ALPHA4, GL_LUMINANCE6_ALPHA2,GL_LUMINANCE8_ALPHA8, GL_LUMINANCE12_ALPHA4, GL_LUMINANCE12_ALPHA12, GL_LUMINANCE16_ALPHA16, GL_INTENSITY, GL_INTENSITY4, GL_INTENSITY8, GL_INTENSITY12, GL_INTENSITY16, GL_RGB, GL_R3_G3_B2,GL_RGB4, GL_RGB5, GL_RGB8, GL_RGB10, GL_RGB12, GL_RGB16, GL_RGBA, GL_RGBA2, GL_RGBA4, GL_RGB5_A1, GL_RGBA8, GL_RGB10_A2, GL_RGBA12, GL_RGBA16, GL_SLUMINANCE, GL_SLUMINANCE8, GL_SLUMINANCE_ALPHA, GL_SLUMINANCE8_ALPHA8, GL_SRGB, GL_SRGB8, GL_SRGB_ALPHA, or GL_SRGB8_ALPHA8. Specify the window coordinates of the left corner of the row of pixels to be copied. Specify the window coordinates of the left corner of the row of pixels to be copied. Specifies the width of the texture image. Must be 0 or 2^n+2(border) for some integer n. The height of the texture image is 1. Specifies the width of the border. Must be either 0 or 1.

copy pixels into a 2D texture image.

Specifies the target texture. Must be GL_TEXTURE_2D, GL_TEXTURE_CUBE_MAP_POSITIVE_X, GL_TEXTURE_CUBE_MAP_NEGATIVE_X, GL_TEXTURE_CUBE_MAP_POSITIVE_Y, GL_TEXTURE_CUBE_MAP_NEGATIVE_Y, GL_TEXTURE_CUBE_MAP_POSITIVE_Z, or GL_TEXTURE_CUBE_MAP_NEGATIVE_Z. Specifies the level-of-detail number. Level 0 is the base image level. Level n is the nth mipmap reduction image. Specifies the internal format of the texture. Must be one of the following symbolic constants: GL_ALPHA, GL_ALPHA4, GL_ALPHA8, GL_ALPHA12, GL_ALPHA16, GL_COMPRESSED_ALPHA,GL_COMPRESSED_LUMINANCE, GL_COMPRESSED_LUMINANCE_ALPHA, GL_COMPRESSED_INTENSITY, GL_COMPRESSED_RGB, GL_COMPRESSED_RGBA, GL_DEPTH_COMPONENT, GL_DEPTH_COMPONENT16,GL_DEPTH_COMPONENT24, GL_DEPTH_COMPONENT32, GL_LUMINANCE, GL_LUMINANCE4, GL_LUMINANCE8, GL_LUMINANCE12, GL_LUMINANCE16, GL_LUMINANCE_ALPHA, GL_LUMINANCE4_ALPHA4, GL_LUMINANCE6_ALPHA2,GL_LUMINANCE8_ALPHA8, GL_LUMINANCE12_ALPHA4, GL_LUMINANCE12_ALPHA12, GL_LUMINANCE16_ALPHA16, GL_INTENSITY, GL_INTENSITY4, GL_INTENSITY8, GL_INTENSITY12, GL_INTENSITY16, GL_RGB, GL_R3_G3_B2,GL_RGB4, GL_RGB5, GL_RGB8, GL_RGB10, GL_RGB12, GL_RGB16, GL_RGBA, GL_RGBA2, GL_RGBA4, GL_RGB5_A1, GL_RGBA8, GL_RGB10_A2, GL_RGBA12, GL_RGBA16, GL_SLUMINANCE, GL_SLUMINANCE8, GL_SLUMINANCE_ALPHA,GL_SLUMINANCE8_ALPHA8, GL_SRGB, GL_SRGB8, GL_SRGB_ALPHA, or GL_SRGB8_ALPHA8. Specify the window coordinates of the lower left corner of the rectangular region of pixels to be copied. Specify the window coordinates of the lower left corner of the rectangular region of pixels to be copied. Specifies the width of the texture image. Must be 0 or 2^n+2(border) for some integer n. Specifies the height of the texture image. Must be 0 or 2^m+2(border) for some integer m. Specifies the width of the border. Must be either 0 or 1.

copy a one-dimensional texture subimage.

Specifies the target texture. Must be GL_TEXTURE_1D. Specifies the level-of-detail number. Level 0 is the base image level. Level n is the nth mipmap reduction image. Specifies the texel offset within the texture array. Specify the window coordinates of the left corner of the row of pixels to be copied. Specify the window coordinates of the left corner of the row of pixels to be copied. Specifies the width of the texture subimage.

copy a two-dimensional texture subimage.

specify whether front- or back-facing facets can be culled.

Specifies whether front- or back-facing facets are candidates for culling. Symbolic constants GL_FRONT, GL_BACK, and GL_FRONT_AND_BACK are accepted. The initial value is GL_BACK.

delete named textures.

Specifies the number of textures to be deleted. Specifies an array of textures to be deleted.

specify the value used for depth buffer comparisons.

Specifies the depth comparison function. Symbolic constants GL_NEVER, GL_LESS, GL_EQUAL, GL_LEQUAL, GL_GREATER, GL_NOTEQUAL, GL_GEQUAL, and GL_ALWAYS are accepted. The initial value is GL_LESS.

enable or disable writing into the depth buffer.

Specifies whether the depth buffer is enabled for writing. If flag is GL_FALSE, depth buffer writing is disabled. Otherwise, it is enabled. Initially, depth buffer writing is enabled.

specify mapping of depth values from normalized device coordinates to window coordinates.

Specifies the mapping of the near clipping plane to window coordinates. The initial value is 0. Specifies the mapping of the far clipping plane to window coordinates. The initial value is 1.

disable server-side GL capabilities.

Specifies a symbolic constant indicating a GL capability.

render primitives from array data.

Specifies what kind of primitives to render. Symbolic constants GL_POINTS, GL_LINE_STRIP, GL_LINE_LOOP, GL_LINES, GL_TRIANGLE_STRIP, GL_TRIANGLE_FAN, GL_TRIANGLES, GL_QUAD_STRIP, GL_QUADS, and GL_POLYGON are accepted Specifies the starting index in the enabled arrays. Specifies the number of indices to be rendered.

specify which color buffers are to be drawn into.

Specifies up to four color buffers to be drawn into. Symbolic constants GL_NONE, GL_FRONT_LEFT, GL_FRONT_RIGHT, GL_BACK_LEFT, GL_BACK_RIGHT, GL_FRONT, GL_BACK, GL_LEFT, GL_RIGHT, GL_FRONT_AND_BACK, and GL_AUXi, where i is between 0 and the value of GL_AUX_BUFFERS minus 1, are accepted.

render primitives from array data.

Specifies what kind of primitives to render. Symbolic constants GL_POINTS, GL_LINE_STRIP, GL_LINE_LOOP, GL_LINES,GL_TRIANGLE_STRIP, GL_TRIANGLE_FAN, GL_TRIANGLES, GL_QUAD_STRIP, GL_QUADS, and GL_POLYGON are accepted. Specifies the number of elements to be rendered. Specifies the type of the values in indices. Must be one of GL_UNSIGNED_BYTE, GL_UNSIGNED_SHORT, or GL_UNSIGNED_INT. Specifies a pointer to the location where the indices are stored. please using the function glaux.ArrayToPointer to get array pointer.

enable server-side GL capabilities

Specifies a symbolic constant indicating a GL capability.

block until all GL execution is complete.

force execution of GL commands in finite time

define front- and back-facing polygons.

Specifies the orientation of front-facing polygons. GL_CW and GL_CCW are accepted. The initial value is GL_CCW.

generate texture names.

Specifies the number of texture names to be generated. Specifies an array in which the generated texture names are stored.

return the value or values of a selected parameter

Specifies the parameter value to be returned. The symbolic constants in the list below are accepted. Returns the value or values of the specified parameter.

return the value or values of a selected parameter.

Specifies the parameter value to be returned. The symbolic constants in the list below are accepted. Returns the value or values of the specified parameter.

return error information.

returns the value of the error flag.

return the value or values of a selected parameter.

Specifies the parameter value to be returned. The symbolic constants in the list below are accepted. Returns the value or values of the specified parameter.

return the value or values of a selected parameter.

Specifies the parameter value to be returned. The symbolic constants in the list below are accepted. Returns the value or values of the specified parameter.

return the address of the specified pointer.

Specifies the array or buffer pointer to be returned. Symbolic constants GL_COLOR_ARRAY_POINTER, GL_EDGE_FLAG_ARRAY_POINTER, GL_FOG_COORD_ARRAY_POINTER, GL_FEEDBACK_BUFFER_POINTER, GL_INDEX_ARRAY_POINTER, GL_NORMAL_ARRAY_POINTER, GL_SECONDARY_COLOR_ARRAY_POINTER, GL_SELECTION_BUFFER_POINTER, GL_TEXTURE_COORD_ARRAY_POINTER,or GL_VERTEX_ARRAY_POINTER are accepted. Returns the pointer value specified by pname.

return a string describing the current GL connection.

Specifies a symbolic constant, one of GL_VENDOR, GL_RENDERER, GL_VERSION, GL_SHADING_LANGUAGE_VERSION,or GL_EXTENSIONS.

return a texture image

Specifies which texture is to be obtained. GL_TEXTURE_1D, GL_TEXTURE_2D, GL_TEXTURE_3D, GL_TEXTURE_CUBE_MAP_POSITIVE_X, GL_TEXTURE_CUBE_MAP_NEGATIVE_X, GL_TEXTURE_CUBE_MAP_POSITIVE_Y, GL_TEXTURE_CUBE_MAP_NEGATIVE_Y, GL_TEXTURE_CUBE_MAP_POSITIVE_Z, and GL_TEXTURE_CUBE_MAP_NEGATIVE_Z are accepted. Specifies the level-of-detail number of the desired image. Level 0 is the base image level. Level n is the nth mipmap reduction image. Specifies a pixel format for the returned data. The supported formats are GL_RED, GL_GREEN, GL_BLUE, GL_ALPHA, GL_RGB, GL_BGR, GL_RGBA, GL_BGRA, GL_LUMINANCE, and GL_LUMINANCE_ALPHA. Specifies a pixel type for the returned data. The supported types are GL_UNSIGNED_BYTE, GL_BYTE, GL_UNSIGNED_SHORT, GL_SHORT, GL_UNSIGNED_INT, GL_INT, GL_FLOAT, GL_UNSIGNED_BYTE_3_3_2, GL_UNSIGNED_BYTE_2_3_3_REV, GL_UNSIGNED_SHORT_5_6_5, GL_UNSIGNED_SHORT_5_6_5_REV, GL_UNSIGNED_SHORT_4_4_4_4, GL_UNSIGNED_SHORT_4_4_4_4_REV, GL_UNSIGNED_SHORT_5_5_5_1, GL_UNSIGNED_SHORT_1_5_5_5_REV, GL_UNSIGNED_INT_8_8_8_8, GL_UNSIGNED_INT_8_8_8_8_REV, GL_UNSIGNED_INT_10_10_10_2, and GL_UNSIGNED_INT_2_10_10_10_REV. Returns the texture image. Should be a pointer to an array of the type specified by type. You can use the function glaux.ArrayToPointer to get the array pointer.

Returns the texture image. Should be a pointer to an array of the type specified by type.

Specifies the symbolic name of the target texture, either GL_TEXTURE_1D, GL_TEXTURE_2D, GL_TEXTURE_3D, GL_PROXY_TEXTURE_1D, GL_PROXY_TEXTURE_2D, GL_PROXY_TEXTURE_3D, GL_TEXTURE_CUBE_MAP_POSITIVE_X, GL_TEXTURE_CUBE_MAP_NEGATIVE_X, GL_TEXTURE_CUBE_MAP_POSITIVE_Y, GL_TEXTURE_CUBE_MAP_NEGATIVE_Y, GL_TEXTURE_CUBE_MAP_POSITIVE_Z, GL_TEXTURE_CUBE_MAP_NEGATIVE_Z, or GL_PROXY_TEXTURE_CUBE_MAP. Specifies the level-of-detail number of the desired image. Level 0 is the base image level. Level n is the nth mipmap reduction image. Specifies the symbolic name of a texture parameter. GL_TEXTURE_WIDTH, GL_TEXTURE_HEIGHT, GL_TEXTURE_DEPTH, GL_TEXTURE_INTERNAL_FORMAT, GL_TEXTURE_BORDER, GL_TEXTURE_RED_SIZE, GL_TEXTURE_GREEN_SIZE, GL_TEXTURE_BLUE_SIZE, GL_TEXTURE_ALPHA_SIZE, GL_TEXTURE_LUMINANCE_SIZE, GL_TEXTURE_INTENSITY_SIZE, GL_TEXTURE_DEPTH_SIZE, GL_TEXTURE_COMPRESSED, and GL_TEXTURE_COMPRESSED_IMAGE_SIZE are accepted. Returns the requested data.

Returns the texture image. Should be a pointer to an array of the type specified by type.

Specifies the symbolic name of the target texture, either GL_TEXTURE_1D, GL_TEXTURE_2D, GL_TEXTURE_3D, GL_PROXY_TEXTURE_1D, GL_PROXY_TEXTURE_2D, GL_PROXY_TEXTURE_3D, GL_TEXTURE_CUBE_MAP_POSITIVE_X, GL_TEXTURE_CUBE_MAP_NEGATIVE_X, GL_TEXTURE_CUBE_MAP_POSITIVE_Y, GL_TEXTURE_CUBE_MAP_NEGATIVE_Y, GL_TEXTURE_CUBE_MAP_POSITIVE_Z, GL_TEXTURE_CUBE_MAP_NEGATIVE_Z,or GL_PROXY_TEXTURE_CUBE_MAP. Specifies the level-of-detail number of the desired image. Level 0 is the base image level. Level n is the nth mipmap reduction image. Specifies the symbolic name of a texture parameter. GL_TEXTURE_WIDTH, GL_TEXTURE_HEIGHT, GL_TEXTURE_DEPTH, GL_TEXTURE_INTERNAL_FORMAT, GL_TEXTURE_BORDER, GL_TEXTURE_RED_SIZE, GL_TEXTURE_GREEN_SIZE, GL_TEXTURE_BLUE_SIZE , GL_TEXTURE_ALPHA_SIZE, GL_TEXTURE_LUMINANCE_SIZE, GL_TEXTURE_INTENSITY_SIZE, GL_TEXTURE_DEPTH_SIZE, GL_TEXTURE_COMPRESSED, and GL_TEXTURE_COMPRESSED_IMAGE_SIZE are accepted. Returns the requested data.

return texture parameter values.

Specifies the symbolic name of the target texture. GL_TEXTURE_1D, GL_TEXTURE_2D, GL_TEXTURE_3D, and GL_TEXTURE_CUBE_MAP are accepted. Specifies the symbolic name of a texture parameter. GL_TEXTURE_MAG_FILTER, GL_TEXTURE_MIN_FILTER, GL_TEXTURE_MIN_LOD, GL_TEXTURE_MAX_LOD, GL_TEXTURE_BASE_LEVEL, GL_TEXTURE_MAX_LEVEL, GL_TEXTURE_WRAP_S, GL_TEXTURE_WRAP_T, GL_TEXTURE_WRAP_R, GL_TEXTURE_BORDER_COLOR, GL_TEXTURE_PRIORITY, GL_TEXTURE_RESIDENT, GL_TEXTURE_COMPARE_MODE, GL_TEXTURE_COMPARE_FUNC, GL_DEPTH_TEXTURE_MODE,and GL_GENERATE_MIPMAP are accepted. Returns the texture parameters.

return texture parameter values.

specify implementation-specific hints.

Specifies a symbolic constant indicating the behavior to be controlled. GL_FOG_HINT, GL_GENERATE_MIPMAP_HINT, GL_LINE_SMOOTH_HINT, GL_PERSPECTIVE_CORRECTION_HINT, GL_POINT_SMOOTH_HINT, GL_POLYGON_SMOOTH_HINT, GL_TEXTURE_COMPRESSION_HINT,and GL_FRAGMENT_SHADER_DERIVATIVE_HINT are accepted. Specifies a symbolic constant indicating the desired behavior. GL_FASTEST, GL_NICEST, and GL_DONT_CARE are accepted.

test whether a capability is enabled

Specifies a symbolic constant indicating a GL capability. returns GL_TRUE if cap is an enabled capability and returns GL_FALSE otherwise.

determine if a name corresponds to a texture

Specifies a value that may be the name of a texture. returns GL_TRUE if texture is currently the name of a texture.

specify the width of rasterized lines.

Specifies the width of rasterized lines. The initial value is 1.

specify a logical pixel operation for color index rendering.

Specifies a symbolic constant that selects a logical operation. The following symbols are accepted: GL_CLEAR, GL_SET, GL_COPY, GL_COPY_INVERTED, GL_NOOP, GL_INVERT, GL_AND, GL_NAND, GL_OR, GL_NOR, GL_XOR, GL_EQUIV, GL_AND_REVERSE, GL_AND_INVERTED, GL_OR_REVERSE, and GL_OR_INVERTED. The initial value is GL_COPY.

set pixel storage modes.

Specifies the symbolic name of the parameter to be set. Six values affect the packing of pixel data into memory: GL_PACK_SWAP_BYTES, GL_PACK_LSB_FIRST, GL_PACK_ROW_LENGTH, GL_PACK_IMAGE_HEIGHT, GL_PACK_SKIP_PIXELS, GL_PACK_SKIP_ROWS, GL_PACK_SKIP_IMAGES, and GL_PACK_ALIGNMENT. Six more affect the unpacking of pixel data from memory: GL_UNPACK_SWAP_BYTES, GL_UNPACK_LSB_FIRST, GL_UNPACK_ROW_LENGTH, GL_UNPACK_IMAGE_HEIGHT, GL_UNPACK_SKIP_PIXELS,GL_UNPACK_SKIP_ROWS, GL_UNPACK_SKIP_IMAGES, and GL_UNPACK_ALIGNMENT. Specifies the value that pname is set to.

set pixel storage modes.

Specifies the symbolic name of the parameter to be set. Six values affect the packing of pixel data into memory: GL_PACK_SWAP_BYTES, GL_PACK_LSB_FIRST, GL_PACK_ROW_LENGTH, GL_PACK_IMAGE_HEIGHT, GL_PACK_SKIP_PIXELS, GL_PACK_SKIP_ROWS, GL_PACK_SKIP_IMAGES, and GL_PACK_ALIGNMENT. Six more affect the unpacking of pixel data from memory: GL_UNPACK_SWAP_BYTES, GL_UNPACK_LSB_FIRST, GL_UNPACK_ROW_LENGTH, GL_UNPACK_IMAGE_HEIGHT, GL_UNPACK_SKIP_PIXELS, GL_UNPACK_SKIP_ROWS, GL_UNPACK_SKIP_IMAGES, and GL_UNPACK_ALIGNMENT. Specifies the value that pname is set to.

specify the diameter of rasterized points.

Specifies the diameter of rasterized points. The initial value is 1.

select a polygon rasterization mode.

Specifies the polygons that mode applies to. Must be GL_FRONT for front-facing polygons, GL_BACK for back-facing polygons,or GL_FRONT_AND_BACK for front- and back-facing polygons. Specifies how polygons will be rasterized. Accepted values are GL_POINT, GL_LINE, and GL_FILL. The initial value is GL_FILL for both front- and back-facing polygons.

set the scale and units used to calculate depth values.

Specifies a scale factor that is used to create a variable depth offset for each polygon. The initial value is 0. Is multiplied by an implementation-specific value to create a constant depth offset. The initial value is 0.

select a color buffer source for pixels.

Specifies a color buffer. Accepted values are GL_FRONT_LEFT, GL_FRONT_RIGHT, GL_BACK_LEFT, GL_BACK_RIGHT, GL_FRONT,GL_BACK, GL_LEFT, GL_RIGHT, and GL_AUXi, where i is between 0 and the value of GL_AUX_BUFFERS minus 1.

read a block of pixels from the frame buffer.

Specify the window coordinates of the first pixel that is read from the frame buffer. This location is the lower left corner of a rectangular block of pixels. Specify the window coordinates of the first pixel that is read from the frame buffer. This location is the lower left corner of a rectangular block of pixels. Specify the dimensions of the pixel rectangle. width and height of one correspond to a single pixel. Specify the dimensions of the pixel rectangle. width and height of one correspond to a single pixel. Specifies the format of the pixel data. The following symbolic values are accepted: GL_COLOR_INDEX, GL_STENCIL_INDEX, GL_DEPTH_COMPONENT, GL_RED, GL_GREEN, GL_BLUE, GL_ALPHA, GL_RGB, GL_BGR, GL_RGBA, GL_BGRA, GL_LUMINANCE, and GL_LUMINANCE_ALPHA. Specifies the data type of the pixel data. Must be one of GL_UNSIGNED_BYTE, GL_BYTE, GL_BITMAP, GL_UNSIGNED_SHORT, GL_SHORT, GL_UNSIGNED_INT, GL_INT, GL_FLOAT, GL_UNSIGNED_BYTE_3_3_2, GL_UNSIGNED_BYTE_2_3_3_REV, GL_UNSIGNED_SHORT_5_6_5, GL_UNSIGNED_SHORT_5_6_5_REV, GL_UNSIGNED_SHORT_4_4_4_4, GL_UNSIGNED_SHORT_4_4_4_4_REV, GL_UNSIGNED_SHORT_5_5_5_1, GL_UNSIGNED_SHORT_1_5_5_5_REV, GL_UNSIGNED_INT_8_8_8_8, GL_UNSIGNED_INT_8_8_8_8_REV, GL_UNSIGNED_INT_10_10_10_2, or GL_UNSIGNED_INT_2_10_10_10_REV. Returns the pixel data. You can use the function glaux.ArrayToPointer to get the array pointer.

define the scissor box.

Specify the lower left corner of the scissor box. Initially (0, 0). Specify the lower left corner of the scissor box. Initially (0, 0). Specify the width of the scissor box. When a GL context is first attached to a window, width and height are set to the dimensions of that window. Specify the height of the scissor box. When a GL context is first attached to a window, width and height are set to the dimensions of that window.

set front and back function and reference value for stencil testing.

Specifies the test function. Eight symbolic constants are valid: GL_NEVER, GL_LESS, GL_LEQUAL, GL_GREATER, GL_GEQUAL, GL_EQUAL, GL_NOTEQUAL, and GL_ALWAYS. The initial value is GL_ALWAYS. Specifies the reference value for the stencil test. ref is clamped to the range [0,2n−1], where n is the number of bitplanes in the stencil buffer. The initial value is 0. Specifies a mask that is ANDed with both the reference value and the stored stencil value when the test is done. The initial value is all 1's.

control the front and back writing of individual bits in the stencil planes.

Specifies a bit mask to enable and disable writing of individual bits in the stencil planes. Initially, the mask is all 1's.

set front and back stencil test actions.

Specifies the action to take when the stencil test fails. Eight symbolic constants are accepted: GL_KEEP, GL_ZERO, GL_REPLACE, GL_INCR, GL_INCR_WRAP, GL_DECR, GL_DECR_WRAP, and GL_INVERT. The initial value is GL_KEEP. Specifies the stencil action when the stencil test passes, but the depth test fails. dpfail accepts the same symbolic constants as sfail. The initial value is GL_KEEP. Specifies the stencil action when both the stencil test and the depth test pass, or when the stencil test passes and either there is no depth buffer or depth testing is not enabled. dppass accepts the same symbolic constants as sfail. The initial value is GL_KEEP.

specify a one-dimensional texture image.

Specifies the target texture. Must be GL_TEXTURE_1D or GL_PROXY_TEXTURE_1D. Specifies the level-of-detail number. Level 0 is the base image level. Level n is the nth mipmap reduction image Specifies the number of color components in the texture. Must be 1, 2, 3, or 4, or one of the following symbolic constants: GL_ALPHA, GL_ALPHA4, GL_ALPHA8, GL_ALPHA12, GL_ALPHA16, GL_COMPRESSED_ALPHA, GL_COMPRESSED_LUMINANCE, GL_COMPRESSED_LUMINANCE_ALPHA, GL_COMPRESSED_INTENSITY, GL_COMPRESSED_RGB, GL_COMPRESSED_RGBA, GL_DEPTH_COMPONENT, GL_DEPTH_COMPONENT16, GL_DEPTH_COMPONENT24, GL_DEPTH_COMPONENT32, GL_LUMINANCE, GL_LUMINANCE4, GL_LUMINANCE8, GL_LUMINANCE12, GL_LUMINANCE16, GL_LUMINANCE_ALPHA, GL_LUMINANCE4_ALPHA4, GL_LUMINANCE6_ALPHA2, GL_LUMINANCE8_ALPHA8, GL_LUMINANCE12_ALPHA4, GL_LUMINANCE12_ALPHA12, GL_LUMINANCE16_ALPHA16, GL_INTENSITY, GL_INTENSITY4, GL_INTENSITY8, GL_INTENSITY12, GL_INTENSITY16, GL_R3_G3_B2, GL_RGB, GL_RGB4, GL_RGB5, GL_RGB8, GL_RGB10, GL_RGB12, GL_RGB16, GL_RGBA, GL_RGBA2, GL_RGBA4, GL_RGB5_A1, GL_RGBA8, GL_RGB10_A2, GL_RGBA12, GL_RGBA16, GL_SLUMINANCE, GL_SLUMINANCE8, GL_SLUMINANCE_ALPHA, GL_SLUMINANCE8_ALPHA8, GL_SRGB, GL_SRGB8, GL_SRGB_ALPHA, or GL_SRGB8_ALPHA8. Specifies the width of the texture image including the border if any. If the GL version does not support non-power-of-two sizes, this value must be 2^n+2(border) for some integer n. All implementations support texture images that are at least 64 texels wide. The height of the 1D texture image is 1. Specifies the width of the border. Must be either 0 or 1. Specifies the format of the pixel data. The following symbolic values are accepted: GL_COLOR_INDEX, GL_RED, GL_GREEN, GL_BLUE, GL_ALPHA, GL_RGB, GL_BGR, GL_RGBA, GL_BGRA, GL_LUMINANCE, and GL_LUMINANCE_ALPHA. Specifies the data type of the pixel data. The following symbolic values are accepted: GL_UNSIGNED_BYTE, GL_BYTE, GL_BITMAP, GL_UNSIGNED_SHORT, GL_SHORT, GL_UNSIGNED_INT, GL_INT, GL_FLOAT, GL_UNSIGNED_BYTE_3_3_2, GL_UNSIGNED_BYTE_2_3_3_REV, GL_UNSIGNED_SHORT_5_6_5, GL_UNSIGNED_SHORT_5_6_5_REV, GL_UNSIGNED_SHORT_4_4_4_4, GL_UNSIGNED_SHORT_4_4_4_4_REV, GL_UNSIGNED_SHORT_5_5_5_1, GL_UNSIGNED_SHORT_1_5_5_5_REV, GL_UNSIGNED_INT_8_8_8_8, GL_UNSIGNED_INT_8_8_8_8_REV, GL_UNSIGNED_INT_10_10_10_2,and GL_UNSIGNED_INT_2_10_10_10_REV. Specifies a pointer to the image data in memory. You can use the function glaux.ArrayToPointer to get the array pointer.

specify a two-dimensional texture image.

Specifies the target texture. Must be GL_TEXTURE_2D, GL_PROXY_TEXTURE_2D, GL_TEXTURE_CUBE_MAP_POSITIVE_X, GL_TEXTURE_CUBE_MAP_NEGATIVE_X, GL_TEXTURE_CUBE_MAP_POSITIVE_Y, GL_TEXTURE_CUBE_MAP_NEGATIVE_Y, GL_TEXTURE_CUBE_MAP_POSITIVE_Z, GL_TEXTURE_CUBE_MAP_NEGATIVE_Z, or GL_PROXY_TEXTURE_CUBE_MAP. Specifies the level-of-detail number. Level 0 is the base image level. Level n is the nth mipmap reduction image. Specifies the number of color components in the texture. Must be 1, 2, 3, or 4, or one of the following symbolic constants: GL_ALPHA, GL_ALPHA4, GL_ALPHA8, GL_ALPHA12, GL_ALPHA16, GL_COMPRESSED_ALPHA, GL_COMPRESSED_LUMINANCE, GL_COMPRESSED_LUMINANCE_ALPHA, GL_COMPRESSED_INTENSITY, GL_COMPRESSED_RGB, GL_COMPRESSED_RGBA, GL_DEPTH_COMPONENT, GL_DEPTH_COMPONENT16, GL_DEPTH_COMPONENT24, GL_DEPTH_COMPONENT32, GL_LUMINANCE, GL_LUMINANCE4, GL_LUMINANCE8, GL_LUMINANCE12, GL_LUMINANCE16, GL_LUMINANCE_ALPHA, GL_LUMINANCE4_ALPHA4, GL_LUMINANCE6_ALPHA2, GL_LUMINANCE8_ALPHA8, GL_LUMINANCE12_ALPHA4, GL_LUMINANCE12_ALPHA12, GL_LUMINANCE16_ALPHA16, GL_INTENSITY, GL_INTENSITY4, GL_INTENSITY8, GL_INTENSITY12, GL_INTENSITY16, GL_R3_G3_B2, GL_RGB, GL_RGB4, GL_RGB5, GL_RGB8, GL_RGB10, GL_RGB12, GL_RGB16, GL_RGBA, GL_RGBA2, GL_RGBA4, GL_RGB5_A1, GL_RGBA8, GL_RGB10_A2, GL_RGBA12, GL_RGBA16, GL_SLUMINANCE, GL_SLUMINANCE8, GL_SLUMINANCE_ALPHA, GL_SLUMINANCE8_ALPHA8, GL_SRGB, GL_SRGB8, GL_SRGB_ALPHA, or GL_SRGB8_ALPHA8. Specifies the width of the texture image including the border if any. If the GL version does not support non-power-of-two sizes, this value must be 2^n+2(border) for some integer n. All implementations support texture images that are at least 64 texels wide. Specifies the height of the texture image including the border if any. If the GL version does not support non-power-of-two sizes, this value must be 2^m+2(border) for some integer m. All implementations support texture images that are at least 64 texels high. Specifies the width of the border. Must be either 0 or 1. Specifies the format of the pixel data. The following symbolic values are accepted: GL_COLOR_INDEX, GL_RED, GL_GREEN, GL_BLUE, GL_ALPHA, GL_RGB, GL_BGR, GL_RGBA, GL_BGRA, GL_LUMINANCE, and GL_LUMINANCE_ALPHA. Specifies the data type of the pixel data. The following symbolic values are accepted: GL_UNSIGNED_BYTE, GL_BYTE, GL_BITMAP, GL_UNSIGNED_SHORT, GL_SHORT, GL_UNSIGNED_INT, GL_INT, GL_FLOAT, GL_UNSIGNED_BYTE_3_3_2, GL_UNSIGNED_BYTE_2_3_3_REV, GL_UNSIGNED_SHORT_5_6_5, GL_UNSIGNED_SHORT_5_6_5_REV, GL_UNSIGNED_SHORT_4_4_4_4, GL_UNSIGNED_SHORT_4_4_4_4_REV, GL_UNSIGNED_SHORT_5_5_5_1, GL_UNSIGNED_SHORT_1_5_5_5_REV, GL_UNSIGNED_INT_8_8_8_8, GL_UNSIGNED_INT_8_8_8_8_REV, GL_UNSIGNED_INT_10_10_10_2,and GL_UNSIGNED_INT_2_10_10_10_REV. Specifies a pointer to the image data in memory. You can use the function glaux.ArrayToPointer to get the array pointer.

set texture parameters.

Specifies the target texture, which must be either GL_TEXTURE_1D, GL_TEXTURE_2D, GL_TEXTURE_3D,or GL_TEXTURE_CUBE_MAP. Specifies the symbolic name of a single-valued texture parameter. pname can be one of the following: GL_TEXTURE_MIN_FILTER, GL_TEXTURE_MAG_FILTER, GL_TEXTURE_MIN_LOD, GL_TEXTURE_MAX_LOD, GL_TEXTURE_BASE_LEVEL, GL_TEXTURE_MAX_LEVEL, GL_TEXTURE_WRAP_S, GL_TEXTURE_WRAP_T, GL_TEXTURE_WRAP_R, GL_TEXTURE_PRIORITY, GL_TEXTURE_COMPARE_MODE, GL_TEXTURE_COMPARE_FUNC,GL_DEPTH_TEXTURE_MODE, or GL_GENERATE_MIPMAP. Specifies the value of pname.

set texture parameters

Specifies the target texture, which must be either GL_TEXTURE_1D, GL_TEXTURE_2D or GL_TEXTURE_3D. Specifies the symbolic name of a texture parameter. pname can be one of the following: GL_TEXTURE_MIN_FILTER, GL_TEXTURE_MAG_FILTER, GL_TEXTURE_MIN_LOD, GL_TEXTURE_MAX_LOD, GL_TEXTURE_BASE_LEVEL, GL_TEXTURE_MAX_LEVEL, GL_TEXTURE_WRAP_S, GL_TEXTURE_WRAP_T, GL_TEXTURE_WRAP_R, GL_TEXTURE_BORDER_COLOR, GL_TEXTURE_PRIORITY, GL_TEXTURE_COMPARE_MODE, GL_TEXTURE_COMPARE_FUNC, GL_DEPTH_TEXTURE_MODE, or GL_GENERATE_MIPMAP. Specifies an array where the value or values of pname are stored.

set texture parameters.

set texture parameters

specify a one-dimensional texture subimage.

Specifies the target texture. Must be GL_TEXTURE_1D. Specifies the level-of-detail number. Level 0 is the base image level. Level n is the nth mipmap reduction image. Specifies a texel offset in the x direction within the texture array. Specifies the width of the texture subimage. Specifies the format of the pixel data. The following symbolic values are accepted: GL_COLOR_INDEX, GL_RED, GL_GREEN, GL_BLUE, GL_ALPHA, GL_RGB, GL_BGR, GL_RGBA, GL_BGRA, GL_LUMINANCE, and GL_LUMINANCE_ALPHA. Specifies the data type of the pixel data. The following symbolic values are accepted: GL_UNSIGNED_BYTE, GL_BYTE, GL_BITMAP, GL_UNSIGNED_SHORT, GL_SHORT, GL_UNSIGNED_INT, GL_INT, GL_FLOAT, GL_UNSIGNED_BYTE_3_3_2, GL_UNSIGNED_BYTE_2_3_3_REV, GL_UNSIGNED_SHORT_5_6_5, GL_UNSIGNED_SHORT_5_6_5_REV, GL_UNSIGNED_SHORT_4_4_4_4, GL_UNSIGNED_SHORT_4_4_4_4_REV, GL_UNSIGNED_SHORT_5_5_5_1, GL_UNSIGNED_SHORT_1_5_5_5_REV, GL_UNSIGNED_INT_8_8_8_8, GL_UNSIGNED_INT_8_8_8_8_REV, GL_UNSIGNED_INT_10_10_10_2,and GL_UNSIGNED_INT_2_10_10_10_REV Specifies a pointer to the image data in memory. You can use the function glaux.ArrayToPointer to get the array pointer.

specify a two-dimensional texture subimage.

Specifies the target texture. Must be GL_TEXTURE_2D, GL_TEXTURE_CUBE_MAP_POSITIVE_X, GL_TEXTURE_CUBE_MAP_NEGATIVE_X, GL_TEXTURE_CUBE_MAP_POSITIVE_Y, GL_TEXTURE_CUBE_MAP_NEGATIVE_Y, GL_TEXTURE_CUBE_MAP_POSITIVE_Z,or GL_TEXTURE_CUBE_MAP_NEGATIVE_Z. Specifies the level-of-detail number. Level 0 is the base image level. Level n is the nth mipmap reduction image. Specifies a texel offset in the x direction within the texture array. Specifies a texel offset in the y direction within the texture array. Specifies the width of the texture subimage. Specifies the height of the texture subimage. Specifies the format of the pixel data. The following symbolic values are accepted: GL_COLOR_INDEX, GL_RED, GL_GREEN, GL_BLUE, GL_ALPHA, GL_RGB, GL_BGR, GL_RGBA, GL_BGRA, GL_LUMINANCE,and GL_LUMINANCE_ALPHA. Specifies the data type of the pixel data. The following symbolic values are accepted: GL_UNSIGNED_BYTE, GL_BYTE, GL_BITMAP, GL_UNSIGNED_SHORT, GL_SHORT, GL_UNSIGNED_INT, GL_INT, GL_FLOAT, GL_UNSIGNED_BYTE_3_3_2, GL_UNSIGNED_BYTE_2_3_3_REV, GL_UNSIGNED_SHORT_5_6_5, GL_UNSIGNED_SHORT_5_6_5_REV, GL_UNSIGNED_SHORT_4_4_4_4, GL_UNSIGNED_SHORT_4_4_4_4_REV, GL_UNSIGNED_SHORT_5_5_5_1, GL_UNSIGNED_SHORT_1_5_5_5_REV, GL_UNSIGNED_INT_8_8_8_8, GL_UNSIGNED_INT_8_8_8_8_REV, GL_UNSIGNED_INT_10_10_10_2,and GL_UNSIGNED_INT_2_10_10_10_REV. Specifies a pointer to the image data in memory. You can use the function glaux.ArrayToPointer to get the array pointer.

set the viewport.

Specify the lower left corner of the viewport rectangle, in pixels. The initial value is (0,0). Specify the lower left corner of the viewport rectangle, in pixels. The initial value is (0,0). Specify the width and height of the viewport. When a GL context is first attached to a window, width and height are set to the dimensions of that window. Specify the width and height of the viewport. When a GL context is first attached to a window, width and height are set to the dimensions of that window.

glDrawRangeElements — render primitives from array data

Specifies what kind of primitives to render.Symbolic constants GL_POINTS, GL_LINE_STRIP, GL_LINE_LOOP, GL_LINES, GL_LINE_STRIP_ADJACENCY, GL_LINES_ADJACENCY, GL_TRIANGLE_STRIP, GL_TRIANGLE_FAN, GL_TRIANGLES, GL_TRIANGLE_STRIP_ADJACENCY, GL_TRIANGLES_ADJACENCY and GL_PATCHESare accepted. Specifies the minimum array index contained in indices. Specifies the maximum array index contained in indices. Specifies the number of elements to be rendered. Specifies the type of the values in indices. Must be one of GL_UNSIGNED_BYTE, GL_UNSIGNED_SHORT, or GL_UNSIGNED_INT. Specifies a pointer to the location where the indices are stored.

glTexImage3D — specify a three-dimensional texture image

Specifies the target texture.Must be one of GL_TEXTURE_3D, GL_PROXY_TEXTURE_3D, GL_TEXTURE_2D_ARRAY or GL_PROXY_TEXTURE_2D_ARRAY Specifies the level-of-detail number.Level 0 is the base image level.Level n is the n-th mipmap reduction image. Specifies the number of color components in the texture.Must be one of base internal formats given in Table 1,one of the sized internal formats given in Table 2, or oneof the compressed internal formats given in Table 3, below. Specifies the width of the texture image.All implementations support 3D texture images that are at least 16 texelswide. Specifies the height of the texture image.All implementations support 3D texture images that are at least 256 texelshigh. Specifies the depth of the texture image, or the number of layers in a texture array.All implementations support 3D texture images that are at least 256 texelsdeep, and texture arrays that are at least 256 layers deep. This value must be 0. Specifies the format of the pixel data.The following symbolic values are accepted: GL_RED, GL_RG, GL_RGB, GL_BGR, GL_RGBA, GL_BGRA, GL_RED_INTEGER, GL_RG_INTEGER, GL_RGB_INTEGER, GL_BGR_INTEGER, GL_RGBA_INTEGER, GL_BGRA_INTEGER, GL_STENCIL_INDEX, GL_DEPTH_COMPONENT, GL_DEPTH_STENCIL. Specifies the data type of the pixel data.The following symbolic values are accepted: GL_UNSIGNED_BYTE, GL_BYTE, GL_UNSIGNED_SHORT, GL_SHORT, GL_UNSIGNED_INT, GL_INT, GL_FLOAT, GL_UNSIGNED_BYTE_3_3_2, GL_UNSIGNED_BYTE_2_3_3_REV, GL_UNSIGNED_SHORT_5_6_5, GL_UNSIGNED_SHORT_5_6_5_REV, GL_UNSIGNED_SHORT_4_4_4_4, GL_UNSIGNED_SHORT_4_4_4_4_REV, GL_UNSIGNED_SHORT_5_5_5_1, GL_UNSIGNED_SHORT_1_5_5_5_REV, GL_UNSIGNED_INT_8_8_8_8, GL_UNSIGNED_INT_8_8_8_8_REV, GL_UNSIGNED_INT_10_10_10_2, and GL_UNSIGNED_INT_2_10_10_10_REV. Specifies a pointer to the image data in memory.

glTexSubImage3D, glTextureSubImage3D — specify a three-dimensional texture subimage

Specifies the target to which the texture is boundfor glTexSubImage3D.Must be GL_TEXTURE_3D or GL_TEXTURE_2D_ARRAY. Specifies the level-of-detail number.Level 0 is the base image level.Level n is the nth mipmap reduction image. Specifies a texel offset in the x direction within the texture array. Specifies a texel offset in the y direction within the texture array. Specifies a texel offset in the z direction within the texture array. Specifies the width of the texture subimage. Specifies the height of the texture subimage. Specifies the depth of the texture subimage. Specifies the format of the pixel data.The following symbolic values are accepted: GL_RED, GL_RG, GL_RGB, GL_BGR, GL_RGBA, GL_DEPTH_COMPONENT, and GL_STENCIL_INDEX. Specifies the data type of the pixel data.The following symbolic values are accepted: GL_UNSIGNED_BYTE, GL_BYTE, GL_UNSIGNED_SHORT, GL_SHORT, GL_UNSIGNED_INT, GL_INT, GL_FLOAT, GL_UNSIGNED_BYTE_3_3_2, GL_UNSIGNED_BYTE_2_3_3_REV, GL_UNSIGNED_SHORT_5_6_5, GL_UNSIGNED_SHORT_5_6_5_REV, GL_UNSIGNED_SHORT_4_4_4_4, GL_UNSIGNED_SHORT_4_4_4_4_REV, GL_UNSIGNED_SHORT_5_5_5_1, GL_UNSIGNED_SHORT_1_5_5_5_REV, GL_UNSIGNED_INT_8_8_8_8, GL_UNSIGNED_INT_8_8_8_8_REV, GL_UNSIGNED_INT_10_10_10_2, and GL_UNSIGNED_INT_2_10_10_10_REV. Specifies a pointer to the image data in memory.

glCopyTexSubImage3D, glCopyTextureSubImage3D — copy a three-dimensional texture subimage

Specifies the target to which the texture object is bound for glCopyTexSubImage3D function. Must be GL_TEXTURE_3D or GL_TEXTURE_2D_ARRAY Specifies the level-of-detail number. Level 0 is the baseimage level. Level n is the nth mipmap reduction image. Specifies a texel offset in the x direction within the texturearray. Specifies a texel offset in the y direction within the texturearray. Specifies a texel offset in the z direction within the texturearray. Specify the window coordinates of the lower left corner of therectangular region of pixels to be copied. Specify the window coordinates of the lower left corner of therectangular region of pixels to be copied. Specifies the width of the texture subimage. Specifies the height of the texture subimage.

glActiveTexture — select active texture unit

Specifies which texture unit to make active. The numberof texture units is implementation dependent, but mustbe at least 80. texture must beone of GL_TEXTUREi,where i ranges from zero to the valueof GL_MAX_COMBINED_TEXTURE_IMAGE_UNITSminus one. The initial value is GL_TEXTURE0.

glSampleCoverage — specify multisample coverage parameters

Specify a single floating-point sample coverage value. The value isclamped to the range [0,1].The initial value is 1.0. Specify a single boolean value representing if the coverage masks should beinverted. GL_TRUE and GL_FALSE are accepted. The initial valueis GL_FALSE.

glCompressedTexImage3D — specify a three-dimensional texture image in a compressed format

Specifies the target texture.Must be GL_TEXTURE_3D, GL_PROXY_TEXTURE_3D, GL_TEXTURE_2D_ARRAY or GL_PROXY_TEXTURE_2D_ARRAY. Specifies the level-of-detail number.Level 0 is the base image level.Level n is the nth mipmap reduction image Specifies the format of the compressed image data stored at address data. Specifies the width of the texture image.All implementations support 3D texture images that are at least 16 texels wide. Specifies the height of the texture image.All implementations support 3D texture images that are at least 16 texelshigh. Specifies the depth of the texture image.All implementations support 3D texture images that are at least 16 texelsdeep. This value must be 0. Specifies the number of unsigned bytes of image data starting at theaddress specified by data. Specifies a pointer to the compressed image data in memory.

glCompressedTexImage2D — specify a two-dimensional texture image in a compressed format.

Specifies the target texture.Must be GL_TEXTURE_2D, GL_PROXY_TEXTURE_2D, GL_TEXTURE_1D_ARRAY, GL_PROXY_TEXTURE_1D_ARRAY, GL_TEXTURE_CUBE_MAP_POSITIVE_X, GL_TEXTURE_CUBE_MAP_NEGATIVE_X, GL_TEXTURE_CUBE_MAP_POSITIVE_Y, GL_TEXTURE_CUBE_MAP_NEGATIVE_Y, GL_TEXTURE_CUBE_MAP_POSITIVE_Z, GL_TEXTURE_CUBE_MAP_NEGATIVE_Z, or GL_PROXY_TEXTURE_CUBE_MAP. Specifies the level-of-detail number.Level 0 is the base image level.Level n is the nth mipmap reduction image. Specifies the format of the compressed image data stored at address data.width Specifies the width of the texture image.All implementations support 2D texture and cube map texture images that are at least 16384 texels wide. Specifies the height of the texture image.All implementations support 2D texture and cube map texture images that are at least 16384 texels high. This value must be 0. Specifies the number of unsigned bytes of image data starting at theaddress specified by data. Specifies a pointer to the compressed image data in memory.

glCompressedTexImage1D — specify a one-dimensional texture image in a compressed format

Specifies the target texture.Must be GL_TEXTURE_1D or GL_PROXY_TEXTURE_1D. Specifies the level-of-detail number.Level 0 is the base image level.Level n is the nth mipmap reduction image. Specifies the format of the compressed image data stored at address data. Specifies the width of the texture image.All implementations support texture images that are at least 64 texels wide. The height of the 1D texture image is 1. This value must be 0. Specifies the number of unsigned bytes of image data starting at the address specified by data. Specifies a pointer to the compressed image data in memory.

glCompressedTexSubImage3D, glCompressedTextureSubImage3D — specify a three-dimensional texture subimage in a compressed format

Specifies the target to which the texture is bound for glCompressedTexSubImage3D function. Must be GL_TEXTURE_2D_ARRAY, GL_TEXTURE_3D, or GL_TEXTURE_CUBE_MAP_ARRAY. Specifies the level-of-detail number. Level 0 is the baseimage level. Level n is the nth mipmap reduction image. Specifies a texel offset in the x direction within the texturearray. Specifies a texel offset in the y direction within the texturearray. Specifies a texel offset in the z direction within the texturearray. Specifies the width of the texture subimage. Specifies the height of the texture subimage. Specifies the depth of the texture subimage. Specifies the format of the compressed image data stored ataddress data. Specifies the number of unsigned bytes of image data startingat the address specified by data. Specifies a pointer to the compressed image data inmemory.

glCompressedTexSubImage2D, glCompressedTextureSubImage2D — specify a two-dimensional texture subimage in a compressed format

Specifies the target to which the texture is bound for glCompressedTexSubImage2D function. Must be GL_TEXTURE_1D_ARRAY, GL_TEXTURE_2D, GL_TEXTURE_CUBE_MAP_POSITIVE_X, GL_TEXTURE_CUBE_MAP_NEGATIVE_X, GL_TEXTURE_CUBE_MAP_POSITIVE_Y, GL_TEXTURE_CUBE_MAP_NEGATIVE_Y, GL_TEXTURE_CUBE_MAP_POSITIVE_Z, or GL_TEXTURE_CUBE_MAP_NEGATIVE_Z. Specifies the level-of-detail number. Level 0 is the baseimage level. Level n is the nth mipmap reduction image. Specifies a texel offset in the x direction within the texturearray. Specifies a texel offset in the y direction within the texturearray. Specifies the width of the texture subimage. Specifies the height of the texture subimage. Specifies the format of the compressed image data stored ataddress data. Specifies the number of unsigned bytes of image data startingat the address specified by data. Specifies a pointer to the compressed image data inmemory.

glCompressedTexSubImage1D, glCompressedTextureSubImage1D — specify a one-dimensional texture subimage in a compressedformat

Specifies the target, to which the texture is bound, for glCompressedTexSubImage1D function. Must be GL_TEXTURE_1D. Specifies the level-of-detail number. Level 0 is the baseimage level. Level n is the nth mipmap reduction image. Specifies a texel offset in the x direction within the texturearray. Specifies the width of the texture subimage. Specifies the format of the compressed image data stored ataddress data. Specifies the number of unsigned bytes of image data startingat the address specified by data. Specifies a pointer to the compressed image data inmemory.

glGetCompressedTexImage — return a compressed texture image

Specifies the target to which the texture is bound for glGetCompressedTexImage and glGetnCompressedTexImage functions. GL_TEXTURE_1D, GL_TEXTURE_1D_ARRAY, GL_TEXTURE_2D, GL_TEXTURE_2D_ARRAY, GL_TEXTURE_3D, GL_TEXTURE_CUBE_MAP_ARRAY, GL_TEXTURE_CUBE_MAP_POSITIVE_X, GL_TEXTURE_CUBE_MAP_NEGATIVE_X, GL_TEXTURE_CUBE_MAP_POSITIVE_Y, GL_TEXTURE_CUBE_MAP_NEGATIVE_Y, GL_TEXTURE_CUBE_MAP_POSITIVE_Z, and GL_TEXTURE_CUBE_MAP_NEGATIVE_Z, GL_TEXTURE_RECTANGLE are accepted. Specifies the level-of-detail number of the desired image.Level 0 is the base image level. Level n is the n-th mipmap reduction image. Returns the compressed texture image.

glBlendFuncSeparate — specify pixel arithmetic for RGB and alpha components separately

Specifies how the red, green, and blue blending factors are computed.The initial value is GL_ONE. Specifies how the red, green, and blue destination blending factors arecomputed.The initial value is GL_ZERO. Specified how the alpha source blending factor is computed.The initial value is GL_ONE. Specified how the alpha destination blending factor is computed.The initial value is GL_ZERO.

glMultiDrawArrays — render multiple sets of primitives from array data

glMultiDrawElements — render multiple sets of primitives by specifying indices of array data elements

Specifies what kind of primitives to render.Symbolic constants GL_POINTS, GL_LINE_STRIP, GL_LINE_LOOP, GL_LINES, GL_LINE_STRIP_ADJACENCY, GL_LINES_ADJACENCY, GL_TRIANGLE_STRIP, GL_TRIANGLE_FAN, GL_TRIANGLES, GL_TRIANGLE_STRIP_ADJACENCY, GL_TRIANGLES_ADJACENCY and GL_PATCHESare accepted. Points to an array of the elements counts. Specifies the type of the values in indices. Must be one of GL_UNSIGNED_BYTE, GL_UNSIGNED_SHORT, or GL_UNSIGNED_INT. Specifies a pointer to the location where the indices are stored. Specifies the size of the count and indices arrays.

glPointParameter — specify point parameters

Specifies a single-valued point parameter. GL_POINT_FADE_THRESHOLD_SIZE, and GL_POINT_SPRITE_COORD_ORIGINare accepted. For glPointParameterf and glPointParameteri, specifies thevalue that pname will be set to.

glPointParameter — specify point parameters

Specifies a single-valued point parameter. GL_POINT_FADE_THRESHOLD_SIZE, and GL_POINT_SPRITE_COORD_ORIGINare accepted. For glPointParameterfv and glPointParameteriv, specifies apointer to an array where the value or values to beassigned to pname are stored.

glPointParameter — specify point parameters

glBlendColor — set the blend color

specify the components of GL_BLEND_COLOR specify the components of GL_BLEND_COLOR specify the components of GL_BLEND_COLOR specify the components of GL_BLEND_COLOR

glBlendEquation — specify the equation used for both the RGB blend equation and the Alpha blend equation

specifies how source and destination colors are combined.It must be GL_FUNC_ADD, GL_FUNC_SUBTRACT, GL_FUNC_REVERSE_SUBTRACT, GL_MIN, GL_MAX.

glGenQueries — generate query object names

Specifies the number of query object names to be generated. Specifies an array in which the generated query object names are stored.

glDeleteQueries — delete named query objects

Specifies the number of query objects to be deleted. Specifies an array of query objects to be deleted.

glIsQuery — determine if a name corresponds to a query object

Specifies a value that may be the name of a query object. glIsQuery returns GL_TRUE if id is currently the name of a query object.If id is zero, or is a non-zero value that is not currently thename of a query object, or if an error occurs, glIsQuery returns GL_FALSE.

glBeginQuery — delimit the boundaries of a query object

Specifies the target type of query object established between glBeginQuery and the subsequent glEndQuery.The symbolic constant must be one of GL_SAMPLES_PASSED, GL_ANY_SAMPLES_PASSED, GL_ANY_SAMPLES_PASSED_CONSERVATIVE, GL_PRIMITIVES_GENERATED, GL_TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN, or GL_TIME_ELAPSED. Specifies the name of a query object.

glBeginQuery and glEndQuery delimit the boundaries of a query object. If a query object with name id does not yet exist it is created.

Specifies the target type of query object to be concluded. The symbolic constant must be GL_SAMPLES_PASSED.

glGetQueryiv — return parameters of a query object target

Specifies a query object target. Must be GL_SAMPLES_PASSED. Specifies the symbolic name of a query object target parameter. Accepted values are GL_CURRENT_QUERY or GL_QUERY_COUNTER_BITS. Returns the requested data.

glGetQueryObject — return parameters of a query object

Specifies the name of a query object. Specifies the symbolic name of a query object parameter. Accepted values are GL_QUERY_RESULT or GL_QUERY_RESULT_AVAILABLE Returns the requested data.

glGetQueryObject — return parameters of a query object

Specifies the name of a query object. Specifies the symbolic name of a query object parameter. Accepted values are GL_QUERY_RESULT or GL_QUERY_RESULT_AVAILABLE Returns the requested data.

glBindBuffer — bind a named buffer object

Specifies the target to which the buffer object is bound. The symbolic constant must be GL_ARRAY_BUFFER, GL_ELEMENT_ARRAY_BUFFER, GL_PIXEL_PACK_BUFFER, or GL_PIXEL_UNPACK_BUFFER. Specifies the name of a buffer object.

glDeleteBuffers — delete named buffer objects

Specifies the number of buffer objects to be deleted. Specifies an array of buffer objects to be deleted.

glGenBuffers — generate buffer object names

Specifies the number of buffer object names to be generated. Specifies an array in which the generated buffer object names are stored.

glIsBuffer — determine if a name corresponds to a buffer object

Specifies a value that may be the name of a buffer object. glIsBuffer returns GL_TRUE if buffer is currently the name of a buffer object.If buffer is zero, or is a non-zero value that is not currently thename of a buffer object, or if an error occurs, glIsBuffer returns GL_FALSE.

glBufferData — creates and initializes a buffer object's data store

Specifies the target buffer object. The symbolic constant must be GL_ARRAY_BUFFER, GL_ELEMENT_ARRAY_BUFFER, GL_PIXEL_PACK_BUFFER, or GL_PIXEL_UNPACK_BUFFER. Specifies the size in bytes of the buffer object's new data store. Specifies a pointer to data that will be copied into the data store for initialization, or NULL if no data is to be copied. Specifies the expected usage pattern of the data store. The symbolic constant must be GL_STREAM_DRAW, GL_STREAM_READ, GL_STREAM_COPY, GL_STATIC_DRAW, GL_STATIC_READ, GL_STATIC_COPY, GL_DYNAMIC_DRAW, GL_DYNAMIC_READ, or GL_DYNAMIC_COPY.

glBufferSubData — updates a subset of a buffer object's data store

Specifies the target buffer object. The symbolic constant must be GL_ARRAY_BUFFER, GL_ELEMENT_ARRAY_BUFFER, GL_PIXEL_PACK_BUFFER, or GL_PIXEL_UNPACK_BUFFER Specifies the offset into the buffer object's data store where data replacement will begin, measured in bytes. Specifies the size in bytes of the data store region being replaced. Specifies a pointer to the new data that will be copied into the data store.

glGetBufferSubData, glGetNamedBufferSubData — returns a subset of a buffer object's data store

Specifies the target to which the buffer object is boundfor glGetBufferSubData, which mustbe one of the buffer binding targets in the followingtable: GL_ARRAY_BUFFER ,GL_ATOMIC_COUNTER_BUFFER,GL_COPY_READ_BUFFER ,GL_COPY_WRITE_BUFFER ,GL_DISPATCH_INDIRECT_BUFFER,GL_DRAW_INDIRECT_BUFFER,GL_ELEMENT_ARRAY_BUFFER, GL_PIXEL_UNPACK_BUFFER ,GL_PIXEL_PACK_BUFFER,GL_QUERY_BUFFER,GL_SHADER_STORAGE_BUFFER,GL_TEXTURE_BUFFER,GL_TRANSFORM_FEEDBACK_BUFFER,GL_UNIFORM_BUFFER > Specifies the offset into the buffer object's data storefrom which data will be returned, measured in bytes. Specifies the size in bytes of the data store region being returned. Specifies a pointer to the location where buffer object data is returned.

glMapBuffer, glMapNamedBuffer — map all of a buffer object's data store into the client's address space.

Specifies the target to which the buffer object is boundfor glMapBuffer, which must be oneof the buffer binding targets in the following table: GL_ARRAY_BUFFER ,GL_ATOMIC_COUNTER_BUFFER,GL_COPY_READ_BUFFER ,GL_COPY_WRITE_BUFFER ,GL_DISPATCH_INDIRECT_BUFFER,GL_DRAW_INDIRECT_BUFFER,GL_ELEMENT_ARRAY_BUFFER, GL_PIXEL_PACK_BUFFER,GL_PIXEL_UNPACK_BUFFER,GL_QUERY_BUFFER,GL_SHADER_STORAGE_BUFFER,GL_TEXTURE_BUFFER,GL_TRANSFORM_FEEDBACK_BUFFER,GL_UNIFORM_BUFFER Specifies the access policy for glMapBuffer and glMapNamedBuffer, indicatingwhether it will be possible to read from, write to, orboth read from and write to the buffer object's mappeddata store. The symbolic constant must be GL_READ_ONLY, GL_WRITE_ONLY, or GL_READ_WRITE.

glUnmapBuffer, glUnmapNamedBuffer — release the mapping of a buffer object's data store into the client's address space

Specifies the target to which the buffer object is boundfor glUnmapBuffer, which must beone of the buffer binding targets in the followingtable: GL_ARRAY_BUFFER,GL_ATOMIC_COUNTER_BUFFER, GL_COPY_READ_BUFFER ,GL_COPY_WRITE_BUFFER,GL_DISPATCH_INDIRECT_BUFFER,GL_DRAW_INDIRECT_BUFFER ,GL_ELEMENT_ARRAY_BUFFER, GL_PIXEL_PACK_BUFFER,GL_PIXEL_UNPACK_BUFFER,GL_QUERY_BUFFER,GL_SHADER_STORAGE_BUFFER ,GL_TEXTURE_BUFFER,GL_TRANSFORM_FEEDBACK_BUFFER,GL_UNIFORM_BUFFER glUnmapBuffer returns GL_TRUE unless the data store contents havebecome corrupt during the time the data store was mapped. Insuch situations, GL_FALSE is returned andthe data store contents are undefined. An application mustdetect this rare condition and reinitialize the data store.

glGetBufferParameter — return parameters of a buffer object

Specifies the target to which the buffer object is boundfor glGetBufferParameteriv and glGetBufferParameteri64v. Must beone of the buffer binding targets in the following table: GL_ARRAY_BUFFER ,GL_ATOMIC_COUNTER_BUFFER,GL_COPY_READ_BUFFER,GL_COPY_WRITE_BUFFER,GL_DISPATCH_INDIRECT_BUFFER,GL_DRAW_INDIRECT_BUFFER,GL_ELEMENT_ARRAY_BUFFER, GL_PIXEL_PACK_BUFFER,GL_PIXEL_UNPACK_BUFFER,GL_QUERY_BUFFER,GL_SHADER_STORAGE_BUFFER,GL_TEXTURE_BUFFER,GL_TRANSFORM_FEEDBACK_BUFFER,GL_UNIFORM_BUFFER Specifies the name of the buffer object parameter toquery. Returns the requested parameter.

glGetBufferPointerv, glGetNamedBufferPointerv — return the pointer to a mapped buffer object's data store

Specifies the target to which the buffer object is boundfor glGetBufferPointerv, which mustbe one of the buffer binding targets in the followingtable: GL_ARRAY_BUFFER,GL_ATOMIC_COUNTER_BUFFER,GL_COPY_READ_BUFFER,GL_COPY_WRITE_BUFFER,GL_DISPATCH_INDIRECT_BUFFER,GL_DRAW_INDIRECT_BUFFER,GL_ELEMENT_ARRAY_BUFFER , GL_PIXEL_PACK_BUFFER ,GL_PIXEL_UNPACK_BUFFER,GL_QUERY_BUFFER,GL_SHADER_STORAGE_BUFFER,GL_TEXTURE_BUFFER,GL_TRANSFORM_FEEDBACK_BUFFER,GL_UNIFORM_BUFFER Specifies the name of the pointer to be returned. Mustbe GL_BUFFER_MAP_POINTER. Returns the pointer value specified by pname.

glBlendEquationSeparate — set the RGB blend equation and the alpha blend equation separately

specifies the RGB blend equation, how the red, green, and blue components of the source and destination colors are combined.It must be GL_FUNC_ADD, GL_FUNC_SUBTRACT, GL_FUNC_REVERSE_SUBTRACT, GL_MIN, GL_MAX. specifies the alpha blend equation, how the alpha component of the source and destination colors are combined.It must be GL_FUNC_ADD, GL_FUNC_SUBTRACT, GL_FUNC_REVERSE_SUBTRACT, GL_MIN, GL_MAX.

glDrawBuffers, glNamedFramebufferDrawBuffers — Specifies a list of color buffers to be drawninto

Specifies the number of buffers in bufs. Points to an array of symbolic constants specifying thebuffers into which fragment colors or data values will bewritten.

glStencilOpSeparate — set front and/or back stencil test actions

Specifies whether front and/or back stencil state is updated.Three symbolic constants are valid: GL_FRONT, GL_BACK, and GL_FRONT_AND_BACK. Specifies the action to take when the stencil test fails.Eight symbolic constants are accepted: GL_KEEP, GL_ZERO, GL_REPLACE, GL_INCR, GL_INCR_WRAP, GL_DECR, GL_DECR_WRAP, and GL_INVERT. The initial value is GL_KEEP. Specifies the stencil action when the stencil test passes,but the depth test fails. dpfail accepts the same symbolic constants as sfail. The initial valueis GL_KEEP. Specifies the stencil action when both the stencil test and the depthtest pass, or when the stencil test passes and either there is nodepth buffer or depth testing is not enabled. dppass accepts the same symbolic constants as sfail. The initial valueis GL_KEEP.

glStencilFuncSeparate — set front and/or back function and reference value for stencil testing

Specifies whether front and/or back stencil state is updated.Three symbolic constants are valid: GL_FRONT, GL_BACK, and GL_FRONT_AND_BACK. Specifies the test function.Eight symbolic constants are valid: GL_NEVER, GL_LESS, GL_LEQUAL, GL_GREATER, GL_GEQUAL, GL_EQUAL, GL_NOTEQUAL, and GL_ALWAYS. The initial value is GL_ALWAYS. Specifies the reference value for the stencil test. ref is clamped to the range [0,2n−1],where n is the number of bitplanes in the stencil buffer.Theinitial value is 0. Specifies a mask that is ANDed with both the reference valueand the stored stencil value when the test is done. The initial valueis all 1's.

glStencilMaskSeparate — control the front and/or back writing of individual bits in the stencil planes

Specifies whether the front and/or back stencil writemask is updated.Three symbolic constants are valid: GL_FRONT, GL_BACK, and GL_FRONT_AND_BACK. Specifies a bit mask to enable and disable writing of individual bitsin the stencil planes.Initially, the mask is all 1's.

glAttachShader — Attaches a shader object to a program object

Specifies the program object to which a shaderobject will be attached. Specifies the shader object that is to be attached.

glBindAttribLocation — Associates a generic vertex attribute index with a named attribute variable

Specifies the handle of the program object inwhich the association is to be made. Specifies the index of the generic vertexattribute to be bound. Specifies a null terminated string containingthe name of the vertex shader attribute variable towhich index is to bebound.

glCompileShader — Compiles a shader object

Specifies the shader object to becompiled.

glCreateProgram — Creates a program object

glCreateProgram creates an emptyprogram object and returns a non-zero value by which it can bereferenced.

glCreateShader — Creates a shader object

Specifies the type of shader to be created.Must be one of GL_COMPUTE_SHADER, GL_VERTEX_SHADER, GL_TESS_CONTROL_SHADER, GL_TESS_EVALUATION_SHADER, GL_GEOMETRY_SHADER,or GL_FRAGMENT_SHADER. glCreateShader creates an emptyshader object and returns a non-zero value by which it can bereferenced.

glDeleteProgram — Deletes a program object

Specifies the program object to bedeleted.

glDeleteShader — Deletes a shader object

Specifies the shader object to be deleted.

glDetachShader — Detaches a shader object from a program object to which it is attached

Specifies the program object from which todetach the shader object. Specifies the shader object to bedetached.

glDisableVertexAttribArray — disable a generic vertex attributearray

Specifies the index of the generic vertex attribute to be disabled.

glEnableVertexAttribArray — Enable a generic vertex attributearray

Specifies the index of the generic vertex attribute to be enabled

glGetActiveAttrib — Returns information about an active attribute variable for the specified program object

Specifies the program object to bequeried. Specifies the index of the attribute variableto be queried. Specifies the maximum number of charactersOpenGL is allowed to write in the character bufferindicated by name. Returns the number of characters actuallywritten by OpenGL in the string indicated by name (excluding the nullterminator) if a value other than NULL is passed. Returns the size of the attributevariable. Returns the data type of the attributevariable. Returns a null terminated string containingthe name of the attribute variable.

glGetActiveUniform — Returns information about an active uniform variable for the specified program object

Specifies the program object to bequeried. Specifies the index of the uniform variable tobe queried. Specifies the maximum number of charactersOpenGL is allowed to write in the character bufferindicated by name. Returns the number of characters actuallywritten by OpenGL in the string indicated by name (excluding the nullterminator) if a value other than NULL is passed. Returns the size of the uniformvariable Returns the data type of the uniformvariable. Returns a null terminated string containingthe name of the uniform variable.

glGetAttachedShaders — Returns the handles of the shader objects attached to a program object

Specifies the program object to bequeried. Specifies the size of the array for storingthe returned object names. Returns the number of names actually returnedin shaders. Specifies an array that is used to return thenames of attached shader objects.

glGetAttribLocation — Returns the location of an attribute variable

Specifies the program object to bequeried Points to a null terminated string containingthe name of the attribute variable whose location isto be queried. glGetAttribLocation queries thepreviously linked program object specified by program for the attribute variablespecified by name and returns the index of the generic vertex attribute that is bound to that attributevariable.

glGetProgramiv — Returns a parameter from a program object

Specifies the program object to bequeried. Specifies the object parameter. Acceptedsymbolic names are GL_DELETE_STATUS, GL_LINK_STATUS, GL_VALIDATE_STATUS, GL_INFO_LOG_LENGTH, GL_ATTACHED_SHADERS, GL_ACTIVE_ATOMIC_COUNTER_BUFFERS, GL_ACTIVE_ATTRIBUTES, GL_ACTIVE_ATTRIBUTE_MAX_LENGTH, GL_ACTIVE_UNIFORMS, GL_ACTIVE_UNIFORM_BLOCKS, GL_ACTIVE_UNIFORM_BLOCK_MAX_NAME_LENGTH, GL_ACTIVE_UNIFORM_MAX_LENGTH, GL_COMPUTE_WORK_GROUP_SIZE , GL_PROGRAM_BINARY_LENGTH, GL_TRANSFORM_FEEDBACK_BUFFER_MODE, GL_TRANSFORM_FEEDBACK_VARYINGS, GL_TRANSFORM_FEEDBACK_VARYING_MAX_LENGTH, GL_GEOMETRY_VERTICES_OUT, GL_GEOMETRY_INPUT_TYPE, and GL_GEOMETRY_OUTPUT_TYPE. Returns the requested object parameter.

glGetProgramInfoLog — Returns the information log for a program object

Specifies the program object whose informationlog is to be queried. Specifies the size of the character buffer forstoring the returned information log. Returns the length of the string returned in infoLog (excluding the nullterminator). Specifies an array of characters that is usedto return the information log.

glGetShaderiv — Returns a parameter from a shader object

Specifies the shader object to bequeried. Specifies the object parameter. Acceptedsymbolic names are GL_SHADER_TYPE, GL_DELETE_STATUS, GL_COMPILE_STATUS, GL_INFO_LOG_LENGTH, GL_SHADER_SOURCE_LENGTH. Returns the requested object parameter.

glGetShaderInfoLog — Returns the information log for a shader object

Specifies the shader object whose informationlog is to be queried. Specifies the size of the character buffer forstoring the returned information log. Returns the length of the string returned in infoLog (excluding the nullterminator). Specifies an array of characters that is usedto return the information log.

glGetShaderSource — Returns the source code string from a shader object

Specifies the shader object to bequeried. Specifies the size of the character buffer forstoring the returned source code string. Returns the length of the string returned in source (excluding the nullterminator). Specifies an array of characters that is usedto return the source code string.

glGetUniformLocation — Returns the location of a uniform variable

Specifies the program object to bequeried. Points to a null terminated string containingthe name of the uniform variable whose location isto be queried. glGetUniformLocation returns aninteger that represents the location of a specific uniformvariable within a program object.

glGetUniform — Returns the value of a uniform variable

Specifies the program object to be queried. Specifies the location of the uniform variable to bequeried. Returns the value of the specified uniform variable.

glGetUniform — Returns the value of a uniform variable

Specifies the program object to be queried. Specifies the location of the uniform variable to bequeried. Returns the value of the specified uniform variable.

glGetVertexAttrib — Return a generic vertex attribute parameter

Specifies the generic vertex attributeparameter to be queried. Specifies the symbolic name of the vertexattribute parameter to be queried. Accepted values are GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING, GL_VERTEX_ATTRIB_ARRAY_ENABLED, GL_VERTEX_ATTRIB_ARRAY_SIZE, GL_VERTEX_ATTRIB_ARRAY_STRIDE, GL_VERTEX_ATTRIB_ARRAY_TYPE, GL_VERTEX_ATTRIB_ARRAY_NORMALIZED, GL_VERTEX_ATTRIB_ARRAY_INTEGER, GL_VERTEX_ATTRIB_ARRAY_DIVISOR, or GL_CURRENT_VERTEX_ATTRIB. Returns the requested data.

glGetVertexAttrib — Return a generic vertex attribute parameter

glGetVertexAttribPointerv — return the address of the specified generic vertex attribute pointer

Specifies the generic vertex attributeparameter to be returned. Specifies the symbolic name of the genericvertex attribute parameter to be returned. Must be GL_VERTEX_ATTRIB_ARRAY_POINTER. Returns the pointer value.

glIsProgram — Determines if a name corresponds to a program object

Specifies a potential program object. glIsProgram returns GL_TRUE if programis the name of a program object previously created with glCreateProgramand not yet deleted with glDeleteProgram.

glIsShader — Determines if a name corresponds to a shader object

Specifies a potential shader object. glIsShader returns GL_TRUE if shader is the name of a shader object previously created with glCreateShaderand not yet deleted with glDeleteShader.

glLinkProgram — Links a program object

Specifies the handle of the program object to be linked.

glShaderSource — Replaces the source code in a shader object

Specifies the handle of the shader objectwhose source code is to be replaced. Specifies the number of elements in the string and lengtharrays. Specifies an array of pointers to stringscontaining the source code to be loaded into theshader. Specifies an array of string lengths.

glUseProgram — Installs a program object as part of current rendering state

Specifies the handle of the program objectwhose executables are to be used as part of currentrendering state.

glUniform — Specify the value of a uniform variable for the current program object

Specifies the location of the uniform variableto be modified. For the scalar commands, specifies the new values to be usedfor the specified uniform variable.

glUniform — Specify the value of a uniform variable for the current program object

Specifies the location of the uniform variableto be modified. For the scalar commands, specifies the new values to be usedfor the specified uniform variable. For the scalar commands, specifies the new values to be usedfor the specified uniform variable. For the scalar commands, specifies the new values to be usedfor the specified uniform variable.

glUniform — Specify the value of a uniform variable for the current program object

Specifies the location of the uniform variableto be modified. For the scalar commands, specifies the new values to be usedfor the specified uniform variable.

glUniform — Specify the value of a uniform variable for the current program object

Specifies the location of the uniform variableto be modified. the number of return values. For the vector and matrix commands, specifies a pointer to an array of count values that will beused to update the specified uniform variable.

glUniform — Specify the value of a uniform variable for the current program object

Specifies the location of the uniform variableto be modified. For the vector (glUniform*v) commands,specifies the number of elements that are to be modified.This should be 1 if the targeted uniform variable is not anarray, and 1 or more if it is an array. For the matrix (glUniformMatrix*)commands, specifies the number of matrices that are to bemodified. This should be 1 if the targeted uniform variableis not an array of matrices, and 1 or more if it is an arrayof matrices. For the vector and matrix commands, specifies a pointer toan array of count values that will beused to update the specified uniform variable.

glUniform — Specify the value of a uniform variable for the current program object

Specifies the location of the uniform variableto be modified. For the vector (glUniform*v) commands,specifies the number of elements that are to be modified.This should be 1 if the targeted uniform variable is not anarray, and 1 or more if it is an array. For the matrix (glUniformMatrix*)commands, specifies the number of matrices that are to bemodified. This should be 1 if the targeted uniform variableis not an array of matrices, and 1 or more if it is an arrayof matrices. For the matrix commands, specifies whether to transpose thematrix as the values are loaded into the uniform variable. For the vector and matrix commands, specifies a pointer toan array of count values that will beused to update the specified uniform variable.

glUniform — Specify the value of a uniform variable for the current program object

Specifies the location of the uniform variableto be modified. For the vector (glUniform*v) commands,specifies the number of elements that are to be modified.This should be 1 if the targeted uniform variable is not anarray, and 1 or more if it is an array. For the matrix (glUniformMatrix*)commands, specifies the number of matrices that are to bemodified. This should be 1 if the targeted uniform variableis not an array of matrices, and 1 or more if it is an arrayof matrices. For the matrix commands, specifies whether to transpose thematrix as the values are loaded into the uniform variable. For the vector and matrix commands, specifies a pointer toan array of count values that will beused to update the specified uniform variable.

glUniform — Specify the value of a uniform variable for the current program object

Specifies the location of the uniform variableto be modified. For the vector (glUniform*v) commands,specifies the number of elements that are to be modified.This should be 1 if the targeted uniform variable is not anarray, and 1 or more if it is an array. For the matrix (glUniformMatrix*)commands, specifies the number of matrices that are to bemodified. This should be 1 if the targeted uniform variableis not an array of matrices, and 1 or more if it is an arrayof matrices. For the matrix commands, specifies whether to transpose thematrix as the values are loaded into the uniform variable. For the vector and matrix commands, specifies a pointer toan array of count values that will beused to update the specified uniform variable.

glValidateProgram — Validates a program object

Specifies the handle of the program object tobe validated.

glVertexAttrib — Specifies the value of a generic vertex attribute

Specifies the index of the generic vertexattribute to be modified. For the scalar commands, specifies the new values to be usedfor the specified vertex attribute.

glVertexAttrib — Specifies the value of a generic vertex attribute

Specifies the index of the generic vertexattribute to be modified. For the vector commands(glVertexAttrib*v), specifies a pointerto an array of values to be used for the generic vertexattribute.