Package org.lwjgl.opengl

Class EXTVertexAttrib64bit

java.lang.Object

org.lwjgl.opengl.EXTVertexAttrib64bit

public class EXTVertexAttrib64bit
extends java.lang.Object

Native bindings to the EXT_vertex_attrib_64bit extension.

This extension provides OpenGL shading language support for vertex shader inputs with 64-bit floating-point components and OpenGL API support for specifying the value of those inputs using vertex array or immediate mode entry points. This builds on the support for general-purpose support for 64-bit floating-point values in the ARB_gpu_shader_fp64 extension.

This extension provides a new class of vertex attribute functions, beginning with "VertexAttribL" ("L" for "long"), that can be used to specify attributes with 64-bit floating-point components. This extension provides no automatic type conversion between attribute and shader variables; single-precision attributes are not automatically converted to double-precision or vice versa. For shader variables with 64-bit component types, the "VertexAttribL" functions must be used to specify attribute values. For other shader variables, the "VertexAttribL" functions must not be used. If a vertex attribute is specified using the wrong attribute function, the values of the corresponding shader input are undefined. This approach requiring matching types is identical to that used for the "VertexAttribI" functions provided by OpenGL 3.0 and the EXT_gpu_shader4 extension.

Additionally, some vertex shader inputs using the wider 64-bit components may count double against the implementation-dependent limit on the number of vertex shader attribute vectors. A 64-bit scalar or a two-component vector consumes only a single generic vertex attribute; three- and four-component "long" may count as two. This approach is similar to the one used in the current GL where matrix attributes consume multiple attributes.

Note that 64-bit generic vertex attributes were nominally supported beginning with the introduction of vertex shaders in OpenGL 2.0. However, the OpenGL Shading Language at the time had no support for 64-bit data types, so any such values were automatically converted to 32-bit.

Support for 64-bit floating-point vertex attributes in this extension can be combined with other extensions. In particular, this extension provides an entry point that can be used with EXT_direct_state_access to directly set state for any vertex array object. Also, the related NV_vertex_attrib_integer_64bit extension provides an entry point to specify bindless vertex attribute arrays with 64-bit components, integer or floating-point.

Requires OpenGL 3.0 and ARB_gpu_shader_fp64 (or equivalent functionality).

Field Summary

Fields

Modifier and Type	Field and Description
static int	GL_DOUBLE_MAT2_EXT GL_DOUBLE_MAT2x3_EXT GL_DOUBLE_MAT2x4_EXT GL_DOUBLE_MAT3_EXT GL_DOUBLE_MAT3x2_EXT GL_DOUBLE_MAT3x4_EXT GL_DOUBLE_MAT4_EXT GL_DOUBLE_MAT4x2_EXT GL_DOUBLE_MAT4x3_EXT GL_DOUBLE_VEC2_EXT GL_DOUBLE_VEC3_EXT GL_DOUBLE_VEC4_EXT Returned in the type parameter of GetActiveAttrib.

Method Summary

Modifier and Type	Method and Description
static void	glGetVertexAttribLdvEXT(int index, int pname, double[] params) Array version of: GetVertexAttribLdvEXT
static void	glGetVertexAttribLdvEXT(int index, int pname, java.nio.DoubleBuffer params)
static void	glVertexArrayVertexAttribLOffsetEXT(int vaobj, int buffer, int index, int size, int type, int stride, long offset)
static void	glVertexAttribL1dEXT(int index, double x)
static void	glVertexAttribL1dvEXT(int index, double[] v) Array version of: VertexAttribL1dvEXT
static void	glVertexAttribL1dvEXT(int index, java.nio.DoubleBuffer v)
static void	glVertexAttribL2dEXT(int index, double x, double y)
static void	glVertexAttribL2dvEXT(int index, double[] v) Array version of: VertexAttribL2dvEXT
static void	glVertexAttribL2dvEXT(int index, java.nio.DoubleBuffer v)
static void	glVertexAttribL3dEXT(int index, double x, double y, double z)
static void	glVertexAttribL3dvEXT(int index, double[] v) Array version of: VertexAttribL3dvEXT
static void	glVertexAttribL3dvEXT(int index, java.nio.DoubleBuffer v)
static void	glVertexAttribL4dEXT(int index, double x, double y, double z, double w)
static void	glVertexAttribL4dvEXT(int index, double[] v) Array version of: VertexAttribL4dvEXT
static void	glVertexAttribL4dvEXT(int index, java.nio.DoubleBuffer v)
static void	glVertexAttribLPointerEXT(int index, int size, int stride, java.nio.DoubleBuffer pointer)
static void	glVertexAttribLPointerEXT(int index, int size, int type, int stride, java.nio.ByteBuffer pointer)
static void	glVertexAttribLPointerEXT(int index, int size, int type, int stride, long pointer)

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

GL_DOUBLE_VEC2_EXT, GL_DOUBLE_VEC3_EXT, GL_DOUBLE_VEC4_EXT, GL_DOUBLE_MAT2_EXT, GL_DOUBLE_MAT3_EXT, GL_DOUBLE_MAT4_EXT, GL_DOUBLE_MAT2x3_EXT, GL_DOUBLE_MAT2x4_EXT, GL_DOUBLE_MAT3x2_EXT, GL_DOUBLE_MAT3x4_EXT, GL_DOUBLE_MAT4x2_EXT, GL_DOUBLE_MAT4x3_EXT

Returned in the type parameter of GetActiveAttrib.

Method Detail

glVertexAttribL1dEXT

public static void glVertexAttribL1dEXT(int index,
                                        double x)

glVertexAttribL2dEXT

public static void glVertexAttribL2dEXT(int index,
                                        double x,
                                        double y)

glVertexAttribL3dEXT

public static void glVertexAttribL3dEXT(int index,
                                        double x,
                                        double y,
                                        double z)

glVertexAttribL4dEXT

public static void glVertexAttribL4dEXT(int index,
                                        double x,
                                        double y,
                                        double z,
                                        double w)

glVertexAttribL1dvEXT

public static void glVertexAttribL1dvEXT(int index,
                                         java.nio.DoubleBuffer v)

glVertexAttribL2dvEXT

public static void glVertexAttribL2dvEXT(int index,
                                         java.nio.DoubleBuffer v)

glVertexAttribL3dvEXT

public static void glVertexAttribL3dvEXT(int index,
                                         java.nio.DoubleBuffer v)

glVertexAttribL4dvEXT

public static void glVertexAttribL4dvEXT(int index,
                                         java.nio.DoubleBuffer v)

glVertexAttribLPointerEXT

public static void glVertexAttribLPointerEXT(int index,
                                             int size,
                                             int type,
                                             int stride,
                                             java.nio.ByteBuffer pointer)

glVertexAttribLPointerEXT

public static void glVertexAttribLPointerEXT(int index,
                                             int size,
                                             int type,
                                             int stride,
                                             long pointer)

glVertexAttribLPointerEXT

public static void glVertexAttribLPointerEXT(int index,
                                             int size,
                                             int stride,
                                             java.nio.DoubleBuffer pointer)

glGetVertexAttribLdvEXT

public static void glGetVertexAttribLdvEXT(int index,
                                           int pname,
                                           java.nio.DoubleBuffer params)

glVertexArrayVertexAttribLOffsetEXT

public static void glVertexArrayVertexAttribLOffsetEXT(int vaobj,
                                                       int buffer,
                                                       int index,
                                                       int size,
                                                       int type,
                                                       int stride,
                                                       long offset)

glVertexAttribL1dvEXT

public static void glVertexAttribL1dvEXT(int index,
                                         double[] v)

Array version of: VertexAttribL1dvEXT

glVertexAttribL2dvEXT

public static void glVertexAttribL2dvEXT(int index,
                                         double[] v)

Array version of: VertexAttribL2dvEXT

glVertexAttribL3dvEXT

public static void glVertexAttribL3dvEXT(int index,
                                         double[] v)

Array version of: VertexAttribL3dvEXT

glVertexAttribL4dvEXT

public static void glVertexAttribL4dvEXT(int index,
                                         double[] v)

Array version of: VertexAttribL4dvEXT

glGetVertexAttribLdvEXT

public static void glGetVertexAttribLdvEXT(int index,
                                           int pname,
                                           double[] params)

Array version of: GetVertexAttribLdvEXT