The main header file of the OpenGI library. More...

Defines
Standard constants
#define	GI_TRUE 1
	Boolean value true.
#define	GI_FALSE 0
	Boolean value false.
#define	GI_NULL 0
	Zero value.
#define	GI_NONE 0
	Zero identifier.
#define	GI_ALL_PATCHES -1
	Whole mesh.
Data types (OpenGL compatible)
#define	GI_BYTE 0x1400
	Signed byte.
#define	GI_UNSIGNED_BYTE 0x1401
	Unsigned byte.
#define	GI_SHORT 0x1402
	Signed short integer.
#define	GI_UNSIGNED_SHORT 0x1403
	Unsigned short integer.
#define	GI_INT 0x1404
	Signed integer.
#define	GI_UNSIGNED_INT 0x1405
	Unsigned integer.
#define	GI_FLOAT 0x1406
	Single precision float.
#define	GI_DOUBLE 0x140A
	Double precision float.
#define	GI_HALF_FLOAT 0x140B
	Half precision float.
Enable flags
#define	GI_MULTITHREADING 0x0100
	Use multithreading.
#define	GI_EXACT_MAPPING_SUBSET 0x0110
	Vertices mapped to exact texels.
#define	GI_PARAM_CORNER_SUBSET 0x0111
	Vertices mapped to parameter domain corners.
State parameters
#define	GI_VERSION 0x0200
	OpenGI version.
#define	GI_MAX_ATTRIBS 0x0201
	Number of supported custom attributes.
#define	GI_MESH_BINDING 0x0202
	Current bound mesh.
#define	GI_IMAGE_BINDING 0x0203
	Current bound image for active texture unit.
#define	GI_SAMPLED_ATTRIB_COUNT 0x0204
	Number of sampled attributes.
#define	GI_SAMPLED_ATTRIBS 0x0205
	Flags indicating sampled attributes.
#define	GI_EXACT_MAPPING_SUBSET_COUNT 0x0210
	Number of elements in exact mapping subset.
#define	GI_PARAM_CORNER_SUBSET_COUNT 0x0211
	Number of elements in corner subset.
#define	GI_EXACT_MAPPING_SUBSET_SORTED 0x0220
	Sorted flag for exact mapping subset.
#define	GI_PARAM_CORNER_SUBSET_SORTED 0x0221
	Sorted flag for corner subset.
Special attribute semantics
#define	GI_POSITION_ATTRIB 0x0300
	Vertex position.
#define	GI_PARAM_ATTRIB 0x0301
	Parameter coordinates.
#define	GI_PARAM_STRETCH_ATTRIB 0x0302
	Per-param stretch values.
Attribute state
#define	GI_ATTRIB_ARRAY_ENABLED 0x0400
	Enabled flag.
#define	GI_ATTRIB_ARRAY_SIZE 0x0401
	Number of components.
#define	GI_ATTRIB_ARRAY_STRIDE 0x0402
	Stride value.
#define	GI_ATTRIB_ARRAY_NORMALIZED 0x0403
	Normalization flag.
#define	GI_ATTRIB_ARRAY_SEMANTIC 0x0404
	Semantic if bound to any.
#define	GI_ATTRIB_IMAGE 0x0405
	Currently bound image.
Mesh and patch properties
#define	GI_HAS_CUT 0x0500
	Mesh has valid cut.
#define	GI_HAS_PARAMS 0x0501
	Mesh has UVs.
#define	GI_PATCH_COUNT 0x0502
	Number of patches.
#define	GI_FACE_COUNT 0x0503
	Number of faces.
#define	GI_EDGE_COUNT 0x0504
	Number of edges.
#define	GI_VERTEX_COUNT 0x0505
	Number of vertices.
#define	GI_PARAM_COUNT 0x0506
	Number of UVs.
#define	GI_AABB_MIN 0x0507
	Minimal vertex of AABB.
#define	GI_AABB_MAX 0x0508
	Maximal vertex of AABB.
#define	GI_RADIUS 0x0509
	Radius of bounding sphere around origin.
#define	GI_ACTIVE_PATCH 0x050A
	Active patch.
#define	GI_MIN_PARAM_STRETCH 0x050B
	Minimum param stretch value.
#define	GI_MAX_PARAM_STRETCH 0x050C
	Maximum param stretch value.
#define	GI_PARAM_STRETCH_METRIC 0x050D
	Metric of param stretch values.
#define	GI_TOPOLOGICAL_SIDEBAND_LENGTH 0x050E
	Length of topological sideband.
#define	GI_TOPOLOGICAL_SIDEBAND 0x050F
	Topological sideband (cut path information).
Per-mesh attribute state
#define	GI_HAS_ATTRIB 0x0600
	Mesh has attrib.
#define	GI_ATTRIB_SIZE 0x0601
	Number of components.
#define	GI_ATTRIB_NORMALIZED 0x0602
	Normalization flag.
#define	GI_ATTRIB_SEMANTIC 0x0603
	Attribute semantic.
Cutting parameters
#define	GI_CUTTER 0x0700
	Cutting algorithm.
#define	GI_SUBDIVISION_ITERATIONS 0x0701
	Iterations for subdivision algorithms.
#define	GI_INITIAL_GIM 0x0710
	Initial cut of original GIM algorithm.
#define	GI_CATMULL_CLARK_SUBDIVISION 0x0711
	Catmull-Clark subdivision patchification.
#define	GI_LOOP_SUBDIVISION 0x0712
	Loop subdivision patchification.
Parameterization parameters
#define	GI_PARAMETERIZER 0x0800
	Parameterization algorithm.
#define	GI_INITIAL_PARAMETERIZATION 0x0801
	Initial parameterization for stretch minimizer.
#define	GI_STRETCH_METRIC 0x0802
	Stretch metric to minimize.
#define	GI_CONFORMAL_WEIGHT 0x0803
	Conformal weight for intrinsic parameterization.
#define	GI_AUTHALIC_WEIGHT 0x0804
	Authalic weight for intrinsic parameterization.
#define	GI_STRETCH_WEIGHT 0x0805
	Eta parameter for stretch minimizer.
#define	GI_PARAM_RESOLUTION 0x0806
	Desired minimal resolution for sampling.
#define	GI_UNSYMMETRIC_SOLVER 0x0807
	Solver for unsymmetric systems.
#define	GI_AREA_WEIGHT 0x0808
	Theta parameter for combined energy.
#define	GI_PARAM_SOURCE_ATTRIB 0x0809
	Attribute to use as parameter coords.
#define	GI_PARAM_DOMAIN 0x080A
	Domain of parameter coordinates.
#define	GI_FROM_ATTRIB 0x0810
	Set attrib as parameter coordinates.
#define	GI_TUTTE_BARYCENTRIC 0x0811
	Tutte's Barycentric parameterization.
#define	GI_SHAPE_PRESERVING 0x0812
	Floater's Shape Preserving parameterization.
#define	GI_DISCRETE_HARMONIC 0x0813
	Eck's Discrete Harmonic parameterization.
#define	GI_MEAN_VALUE 0x0814
	Floater's Mean Value parameterization.
#define	GI_DISCRETE_AUTHALIC 0x0815
	Desbrun's Discrete Authalic parameterization.
#define	GI_INTRINSIC 0x0816
	Desbrun's Intrinsic parameterization.
#define	GI_STRETCH_MINIMIZING 0x0817
	Yoshizawa's stretch minimizing parameterization.
#define	GI_GIM 0x0818
	Gu's original Geometry Image parameterization.
#define	GI_SOLVER_BICGSTAB 0x0820
	BiCGStab solver.
#define	GI_SOLVER_GMRES 0x0821
	GMRES(m) solver.
#define	GI_PARAM_STARTED 0x0830
	Callback for parameterization start.
#define	GI_PARAM_CHANGED 0x0831
	Callback for parameterization change.
#define	GI_PARAM_FINISHED 0x0832
	Callback for parameterization end.
#define	GI_UNKNOWN_DOMAIN 0x0000
	Unknown parameterization domain.
#define	GI_SQUARE_DOMAIN 0x0840
	Unit square.
#define	GI_TRIANGLE_DOMAIN 0x0841
	Unit triangle.
Stretch metrics
#define	GI_MAX_GEOMETRIC_STRETCH 0x0900
	Linf stretch as defined by Sander et al.
#define	GI_RMS_GEOMETRIC_STRETCH 0x0901
	L2 stretch as defined by Sander et al.
#define	GI_COMBINED_STRETCH 0x0902
	Combined energy as defined by Degener et al.
Image properties
#define	GI_IMAGE_WIDTH 0x0A00
	Width of image.
#define	GI_IMAGE_HEIGHT 0x0A01
	Height of image.
#define	GI_IMAGE_COMPONENTS 0x0A02
	Number of components.
#define	GI_IMAGE_TYPE 0x0A03
	Data type of image elements.
#define	GI_GL_IMAGE_TEXTURE 0x0A04
	OpenGL texture object of image (if texture storage).
#define	GI_GL_IMAGE_BUFFER 0x0A05
	OpenGL buffer object of image (if buffer storage).
#define	GI_IMAGE_DATA 0x0A06
	RAM address of image data (if RAM storage).
#define	GI_IMAGE_STORAGE 0x0A07
	Storage mode of image.
#define	GI_SUBIMAGE_X 0x0A08
	X-offset of sub-image.
#define	GI_SUBIMAGE_Y 0x0A09
	X-offset of sub-image.
#define	GI_SUBIMAGE_WIDTH 0x0A0A
	Width of sub-image.
#define	GI_SUBIMAGE_HEIGHT 0x0A0B
	Height of sub-image.
#define	GI_SUBIMAGE 0x0A0C
	Sub-image rectangle as 4 ints.
#define	GI_EXTERNAL_DATA 0x0A10
	Image stored in user-owned RAM.
#define	GI_GL_TEXTURE_DATA 0x0A11
	Image stored in user-owned GL texture.
#define	GI_GL_BUFFER_DATA 0x0A12
	Image stored in user-owned GL buffer.
#define	GI_NO_IMAGE_DATA 0x0A13
	Image data not yet specified.
Sampling parameters
#define	GI_SAMPLER 0x0B00
	Sampler to use.
#define	GI_SAMPLER_USE_SHADER 0x0B01
	Use GLSL if supported.
#define	GI_SAMPLER_USE_RENDER_TO_TEXTURE 0x0B02
	Use framebuffer objects if supported.
#define	GI_SAMPLER_SOFTWARE 0x0B10
	Software sampling.
#define	GI_SAMPLER_OPENGL 0x0B11
	Hardware accelerated sampling using OpenGL.
Per-attribute sampling parameters
#define	GI_SAMPLING_MODE 0x0C00
	Sampling style.
#define	GI_SAMPLING_TRANSFORM 0x0C01
	Transformation matrix.
#define	GI_TEXTURE_DIMENSION 0x0C02
	Dimension of OpenGL texture.
#define	GI_GL_SAMPLE_TEXTURE 0x0C03
	OpenGL texture to resample.
#define	GI_SAMPLE_DIAGONAL_CORRECTION 0x0C04
	Adjust upper subdiagonal for correct triangular interpolation.
#define	GI_SAMPLE_DEFAULT 0x0000
	Standard sampling.
#define	GI_SAMPLE_NORMALIZED 0x0C10
	Normalize after interpolation.
#define	GI_SAMPLE_TEXTURED 0x0C11
	Resample texture.
Render parameters
#define	GI_GL_USE_VERTEX_TEXTURE 0x0001
	Use vertex texturing for GIM rendering.
#define	GI_GL_USE_GEOMETRY_SHADER 0x0002
	Use geometry shader for GIM rendering.
#define	GI_GL_PER_VERTEX_ATTRIBS 0x0004
	Use per vertex color and normal.
#define	GI_RENDER_RESOLUTION_U 0x0D03
	U-resolution of base mesh for GIM rendering.
#define	GI_RENDER_RESOLUTION_V 0x0D04
	V-resolution of base mesh for GIM rendering.
#define	GI_RENDER_CACHE_SIZE 0x0D05
	Size of cache for geometry image rendering.
#define	GI_GIM_TYPE 0x0D06
	Shape of geometry image.
#define	GI_RECTANGULAR_GIM 0x0D10
	Rectangular geometry image.
#define	GI_TRIANGULAR_GIM 0x0D11
	Triangular geometry image.
Per-attribute render parameters
#define	GI_GL_RENDER_SEMANTIC 0x0E00
	Render semantic.
#define	GI_GL_RENDER_CHANNEL 0x0E01
	Render channel (for attribs and texCoords).
#define	GI_TEXTURE_COORD_DOMAIN 0x0E02
	TexCoord domain for images.
#define	GI_GL_VERTEX 0x0E10
	Use attribute as glVertex.
#define	GI_GL_NORMAL 0x0E11
	Use attribute as glNormal.
#define	GI_GL_COLOR 0x0E12
	Use attribute as glColor.
#define	GI_GL_SECONDARY_COLOR 0x0E13
	Use attribute as glSecondaryColor.
#define	GI_GL_FOG_COORD 0x0E14
	Use attribute as glFogCoord.
#define	GI_GL_EVAL_COORD 0x0E15
	Use attribute as glEvalCoord.
#define	GI_GL_TEXTURE_COORD 0x0E16
	Use attribute as gl[Multi]TexCoord.
#define	GI_GL_VERTEX_ATTRIB 0x0E17
	Use attribute as glVertexAttrib.
#define	GI_UNIT_SQUARE 0x0E20
	0-1-square.
#define	GI_HALF_TEXEL_INDENT 0x0E21
	0-1-square indented by half a texel.
Error codes
#define	GI_NO_ERROR 0x0000
	No error encountered.
#define	GI_INVALID_ENUM 0x1000
	Wrong enum value.
#define	GI_INVALID_OPERATION 0x1001
	Wrong operation in current state.
#define	GI_INVALID_VALUE 0x1002
	Numeric value out of range.
#define	GI_INVALID_ID 0x1003
	Object ID not existent.
#define	GI_INVALID_MESH 0x1004
	Non-manifold mesh.
#define	GI_INVALID_CUT 0x1005
	Cut incomplete.
#define	GI_NUMERICAL_ERROR 0x1006
	Error in numerical routine.
#define	GI_UNSUPPORTED_OPERATION 0x1007
	Feature not supported.
#define	GI_INVALID_PARAMETERIZATION 0x1008
	No unit square.
Typedefs
typedef unsigned int	GIenum
	Enumaration type.
typedef unsigned char	GIboolean
	Boolean type.
typedef unsigned int	GIbitfield
	Bitfield type.
typedef char	GIchar
	Character type.
typedef signed char	GIbyte
	1 byte signed integer type.
typedef short	GIshort
	2 byte signed integer type.
typedef int	GIint
	4 byte signed integer type.
typedef int	GIsizei
	Size type.
typedef unsigned char	GIubyte
	1 byte unsigned integer type.
typedef unsigned short	GIushort
	2 byte unsigned integer type.
typedef unsigned int	GIuint
	4 byte unsigned integer type.
typedef float	GIfloat
	Single precission floating point type.
typedef double	GIdouble
	Double precission floating point type.
typedef unsigned short	GIhalf
	Half precission floating point type.
typedef void	GIvoid
	Void type.
typedef void *	GIcontext
	Context type.
typedef GIboolean(GICALLBACK *	GIparamcb )(GIvoid *)
	Parameterization callback.
typedef void(GICALLBACK *	GIsamplercb )(GIdouble , const GIdouble , GIvoid *)
	Sampler callback.
typedef void(GICALLBACK *	GIerrorcb )(GIenum, GIvoid *)
	Error callback.
Functions
Context management
GIAPI GIcontext GIAPIENTRY	giCreateContext ()
	Create new context.
GIAPI void GIAPIENTRY	giMakeCurrent (GIcontext context)
	Set active Context.
GIAPI GIcontext GIAPIENTRY	giGetCurrent ()
	Get active context.
GIAPI void GIAPIENTRY	giDestroyContext (GIcontext context)
	Delete context and all associated data.
State management
GIAPI GIenum GIAPIENTRY	giGetEnumValue (const GIchar *name)
	Get enum value by name.
GIAPI void GIAPIENTRY	giGetBooleanv (GIenum pname, GIboolean *params)
	Retrieve boolean state value.
GIAPI void GIAPIENTRY	giGetIntegerv (GIenum pname, GIint *params)
	Retrieve integer state value.
GIAPI void GIAPIENTRY	giGetFloatv (GIenum pname, GIfloat *params)
	Retrieve floating point state value.
GIAPI void GIAPIENTRY	giEnable (GIenum pname)
	Enable feature.
GIAPI void GIAPIENTRY	giDisable (GIenum pname)
	Disable feture.
GIAPI GIboolean GIAPIENTRY	giIsEnabled (GIenum pname)
	Check if feature is enabled.
GIAPI void GIAPIENTRY	giVertexSubset (GIenum subset, GIsizei count, GIboolean sorted, const GIuint *indices)
	Set vertex subset.
GIAPI void GIAPIENTRY	giGetPointerv (GIenum pname, GIvoid **params)
	Get pointer to attribute array or vertex subset.
GIAPI void GIAPIENTRY	giAttribImage (GIuint attrib, GIuint image)
	Bind image to attribute channel.
GIAPI void GIAPIENTRY	giBindAttrib (GIenum semantic, GIuint attrib)
	Bind attribute to special semantic.
GIAPI void GIAPIENTRY	giEnableAttribArray (GIuint attrib)
	Enable attribute array.
GIAPI void GIAPIENTRY	giDisableAttribArray (GIuint attrib)
	Disable attribute array.
GIAPI void GIAPIENTRY	giAttribPointer (GIuint attrib, GIint size, GIboolean normalized, GIsizei stride, GIfloat *pointer)
	Set attribute array to use during mesh creation and retrieval.
GIAPI void GIAPIENTRY	giGetAttribbv (GIuint attrib, GIenum pname, GIboolean *params)
	Retrieve boolean attribute state.
GIAPI void GIAPIENTRY	giGetAttribiv (GIuint attrib, GIenum pname, GIint *params)
	Retrieve integer attribute state.
GIAPI void GIAPIENTRY	giGetAttribfv (GIuint attrib, GIenum pname, GIfloat *params)
	Retrieve floating point attribute state.
GIAPI void GIAPIENTRY	giGetAttribPointerv (GIuint attrib, GIvoid **params)
	Get pointer to attribute array.
Mesh handling
GIAPI GIuint GIAPIENTRY	giGenMesh ()
	Create new mesh object.
GIAPI void GIAPIENTRY	giGenMeshes (GIsizei n, GIuint *meshes)
	Create new mesh objects.
GIAPI void GIAPIENTRY	giBindMesh (GIuint mesh)
	Bind mesh to use for further processing.
GIAPI void GIAPIENTRY	giDeleteMesh (GIuint mesh)
	Delete mesh and all associated data.
GIAPI void GIAPIENTRY	giDeleteMeshes (GIsizei n, const GIuint *meshes)
	Delete mesh objects.
GIAPI void GIAPIENTRY	giIndexedMesh (GIuint start, GIuint end, GIsizei count, const GIuint *indices)
	Create mesh from indices into current attribute arrays.
GIAPI void GIAPIENTRY	giNonIndexedMesh (GIint first, GIsizei count)
	Create mesh from current attribute arrays.
GIAPI void GIAPIENTRY	giCopyMesh (GIuint mesh)
	Copy mesh from existing mesh.
GIAPI void GIAPIENTRY	giComputeParamStretch (GIenum metric)
	Recompute per param stretch values.
GIAPI void GIAPIENTRY	giMeshActivePatch (GIint patch)
	Set active patch.
GIAPI void GIAPIENTRY	giGetMeshbv (GIenum pname, GIboolean *params)
	Retrieve boolean mesh or patch property.
GIAPI void GIAPIENTRY	giGetMeshiv (GIenum pname, GIint *params)
	Retrieve integer mesh or patch property.
GIAPI void GIAPIENTRY	giGetMeshfv (GIenum pname, GIfloat *params)
	Retrieve floating point mesh property.
GIAPI void GIAPIENTRY	giGetMeshAttribbv (GIuint attrib, GIenum pname, GIboolean *params)
	Retrieve boolean mesh or patch attribute property.
GIAPI void GIAPIENTRY	giGetMeshAttribiv (GIuint attrib, GIenum pname, GIint *params)
	Retrieve integer mesh or patch attribute property.
GIAPI void GIAPIENTRY	giGetIndexedMesh (GIuint vcount, GIuint icount, GIuint *indices)
	Extract mesh data as indexed vertex arrays.
GIAPI void GIAPIENTRY	giGetNonIndexedMesh (GIuint *vcount)
	Extract mesh data as non-indexed vertex arrays.
Cutting
GIAPI void GIAPIENTRY	giCutterParameteri (GIenum pname, GIint param)
	Set integer configuration parameter for cutting.
GIAPI void GIAPIENTRY	giCut ()
	Cut current mesh.
Parameterization
GIAPI void GIAPIENTRY	giParameterizerParameterb (GIenum pname, GIboolean param)
	Set boolean configuration parameter for parameterization.
GIAPI void GIAPIENTRY	giParameterizerParameteri (GIenum pname, GIint param)
	Set integer configuration parameter for parameterization.
GIAPI void GIAPIENTRY	giParameterizerParameterf (GIenum pname, GIfloat param)
	Set floating point configuration parameter for parameterization.
GIAPI void GIAPIENTRY	giParameterizerCallback (GIenum which, GIparamcb fn, GIvoid *data)
	Set callback function for parameterization.
GIAPI void GIAPIENTRY	giParameterize ()
	Parameterize current mesh.
Image handling
GIAPI GIuint GIAPIENTRY	giGenImage ()
	Create new image object.
GIAPI void GIAPIENTRY	giGenImages (GIsizei n, GIuint *images)
	Create new image objects.
GIAPI void GIAPIENTRY	giBindImage (GIuint image)
	Bind image to a specified attribute type.
GIAPI void GIAPIENTRY	giDeleteImage (GIuint image)
	Delete image and all associated data.
GIAPI void GIAPIENTRY	giDeleteImages (GIsizei n, const GIuint *images)
	Delete image objects.
GIAPI void GIAPIENTRY	giImageExternalData (GIsizei width, GIsizei height, GIsizei components, GIenum type, GIvoid *data)
	Set image to work on external data.
GIAPI void GIAPIENTRY	giImageGLTextureData (GIsizei width, GIsizei height, GIsizei components, GIenum type, GIuint texture)
	Set image to work on OpenGL texture.
GIAPI void GIAPIENTRY	giImageGLBufferData (GIsizei width, GIsizei height, GIsizei components, GIenum type, GIuint buffer)
	Set image to work on OpenGL buffer.
GIAPI void GIAPIENTRY	giSubImage (GIuint x, GIuint y, GIsizei width, GIsizei height)
	Set sub-image to work on.
GIAPI void GIAPIENTRY	giGetImageiv (GIenum pname, GIint *param)
	Retrieve integer property of current attribute image.
Sampling
GIAPI void GIAPIENTRY	giSamplerParameterb (GIenum pname, GIboolean param)
	Set boolean configuration parameter for sampling.
GIAPI void GIAPIENTRY	giSamplerParameteri (GIenum pname, GIint param)
	Set integer configuration parameter for sampling.
GIAPI void GIAPIENTRY	giAttribSamplerParameterb (GIuint attrib, GIenum pname, GIboolean param)
	Set boolean attribute sampling parameter.
GIAPI void GIAPIENTRY	giAttribSamplerParameteri (GIuint attrib, GIenum pname, GIint param)
	Set integer attribute sampling parameter.
GIAPI void GIAPIENTRY	giAttribSamplerParameterfv (GIuint attrib, GIenum pname, const GIfloat *params)
	Set floating point array attribute sampling parameter.
GIAPI void GIAPIENTRY	giSample ()
	Sample attributes of current mesh (with UVs) to according images.
Error handling
GIAPI GIenum GIAPIENTRY	giGetError ()
	Retrieve and clear last error.
GIAPI const GIchar *GIAPIENTRY	giErrorString (GIenum error)
	Get descriptive error string.
GIAPI void GIAPIENTRY	giErrorCallback (GIerrorcb fn, GIvoid *data)
	Set error callback function.
OpenGL communication
GIAPI void GIAPIENTRY	giGLRenderParameterb (GIenum pname, GIboolean param)
	Set boolean render parameter.
GIAPI void GIAPIENTRY	giGLRenderParameteri (GIenum pname, GIint param)
	Set integer render parameter.
GIAPI void GIAPIENTRY	giGLAttribRenderParameteri (GIuint attrib, GIenum pname, GIint param)
	Set integer attribute render parameter.
GIAPI void GIAPIENTRY	giGLDrawMesh ()
	Render current mesh immediately.
GIAPI void GIAPIENTRY	giGLDrawCut ()
	Render current cut of current mesh immediately.
GIAPI void GIAPIENTRY	giGLDrawGIM ()
	Draw Geometry Images as triangular mesh.
GIAPI void GIAPIENTRY	giGLCleanUp ()
	Clean up OpenGL context specific data.

Detailed Description

The main header file of the OpenGI library.

Define Documentation

#define GI_TRUE 1

Boolean value true.

#define GI_FALSE 0

Boolean value false.

#define GI_NULL 0

Zero value.

#define GI_NONE 0

Zero identifier.

#define GI_ALL_PATCHES -1

Whole mesh.

#define GI_BYTE 0x1400

Signed byte.

#define GI_UNSIGNED_BYTE 0x1401

Unsigned byte.

#define GI_SHORT 0x1402

Signed short integer.

#define GI_UNSIGNED_SHORT 0x1403

Unsigned short integer.

#define GI_INT 0x1404

Signed integer.

#define GI_UNSIGNED_INT 0x1405

Unsigned integer.

#define GI_FLOAT 0x1406

Single precision float.

#define GI_DOUBLE 0x140A

Double precision float.

#define GI_HALF_FLOAT 0x140B

Half precision float.

#define GI_MULTITHREADING 0x0100

Use multithreading.

#define GI_EXACT_MAPPING_SUBSET 0x0110

Vertices mapped to exact texels.

#define GI_PARAM_CORNER_SUBSET 0x0111

Vertices mapped to parameter domain corners.

#define GI_VERSION 0x0200

OpenGI version.

#define GI_MAX_ATTRIBS 0x0201

Number of supported custom attributes.

#define GI_MESH_BINDING 0x0202

Current bound mesh.

#define GI_IMAGE_BINDING 0x0203

Current bound image for active texture unit.

#define GI_SAMPLED_ATTRIB_COUNT 0x0204

Number of sampled attributes.

#define GI_SAMPLED_ATTRIBS 0x0205

Flags indicating sampled attributes.

#define GI_EXACT_MAPPING_SUBSET_COUNT 0x0210

Number of elements in exact mapping subset.

#define GI_PARAM_CORNER_SUBSET_COUNT 0x0211

Number of elements in corner subset.

#define GI_EXACT_MAPPING_SUBSET_SORTED 0x0220

Sorted flag for exact mapping subset.

#define GI_PARAM_CORNER_SUBSET_SORTED 0x0221

Sorted flag for corner subset.

#define GI_POSITION_ATTRIB 0x0300

Vertex position.

#define GI_PARAM_ATTRIB 0x0301

Parameter coordinates.

#define GI_PARAM_STRETCH_ATTRIB 0x0302

Per-param stretch values.

#define GI_ATTRIB_ARRAY_ENABLED 0x0400

Enabled flag.

#define GI_ATTRIB_ARRAY_SIZE 0x0401

Number of components.

#define GI_ATTRIB_ARRAY_STRIDE 0x0402

Stride value.

#define GI_ATTRIB_ARRAY_NORMALIZED 0x0403

Normalization flag.

#define GI_ATTRIB_ARRAY_SEMANTIC 0x0404

Semantic if bound to any.

#define GI_ATTRIB_IMAGE 0x0405

Currently bound image.

#define GI_HAS_CUT 0x0500

Mesh has valid cut.

#define GI_HAS_PARAMS 0x0501

Mesh has UVs.

#define GI_PATCH_COUNT 0x0502

Number of patches.

#define GI_FACE_COUNT 0x0503

Number of faces.

#define GI_EDGE_COUNT 0x0504

Number of edges.

#define GI_VERTEX_COUNT 0x0505

Number of vertices.

#define GI_PARAM_COUNT 0x0506

Number of UVs.

#define GI_AABB_MIN 0x0507

Minimal vertex of AABB.

#define GI_AABB_MAX 0x0508

Maximal vertex of AABB.

#define GI_RADIUS 0x0509

Radius of bounding sphere around origin.

#define GI_ACTIVE_PATCH 0x050A

Active patch.

#define GI_MIN_PARAM_STRETCH 0x050B

Minimum param stretch value.

#define GI_MAX_PARAM_STRETCH 0x050C

Maximum param stretch value.

#define GI_PARAM_STRETCH_METRIC 0x050D

Metric of param stretch values.

#define GI_TOPOLOGICAL_SIDEBAND_LENGTH 0x050E

Length of topological sideband.

#define GI_TOPOLOGICAL_SIDEBAND 0x050F

Topological sideband (cut path information).

#define GI_HAS_ATTRIB 0x0600

Mesh has attrib.

#define GI_ATTRIB_SIZE 0x0601

Number of components.

#define GI_ATTRIB_NORMALIZED 0x0602

Normalization flag.

#define GI_ATTRIB_SEMANTIC 0x0603

Attribute semantic.

#define GI_CUTTER 0x0700

Cutting algorithm.

#define GI_SUBDIVISION_ITERATIONS 0x0701

Iterations for subdivision algorithms.

#define GI_INITIAL_GIM 0x0710

Initial cut of original GIM algorithm.

#define GI_CATMULL_CLARK_SUBDIVISION 0x0711

Catmull-Clark subdivision patchification.

#define GI_LOOP_SUBDIVISION 0x0712

Loop subdivision patchification.

#define GI_PARAMETERIZER 0x0800

Parameterization algorithm.

#define GI_INITIAL_PARAMETERIZATION 0x0801

Initial parameterization for stretch minimizer.

#define GI_STRETCH_METRIC 0x0802

Stretch metric to minimize.

#define GI_CONFORMAL_WEIGHT 0x0803

Conformal weight for intrinsic parameterization.

#define GI_AUTHALIC_WEIGHT 0x0804

Authalic weight for intrinsic parameterization.

#define GI_STRETCH_WEIGHT 0x0805

Eta parameter for stretch minimizer.

#define GI_PARAM_RESOLUTION 0x0806

Desired minimal resolution for sampling.

#define GI_UNSYMMETRIC_SOLVER 0x0807

Solver for unsymmetric systems.

#define GI_AREA_WEIGHT 0x0808

Theta parameter for combined energy.

#define GI_PARAM_SOURCE_ATTRIB 0x0809

Attribute to use as parameter coords.

#define GI_PARAM_DOMAIN 0x080A

Domain of parameter coordinates.

#define GI_FROM_ATTRIB 0x0810

Set attrib as parameter coordinates.

#define GI_TUTTE_BARYCENTRIC 0x0811

Tutte's Barycentric parameterization.

#define GI_SHAPE_PRESERVING 0x0812

Floater's Shape Preserving parameterization.

#define GI_DISCRETE_HARMONIC 0x0813

Eck's Discrete Harmonic parameterization.

#define GI_MEAN_VALUE 0x0814

Floater's Mean Value parameterization.

#define GI_DISCRETE_AUTHALIC 0x0815

Desbrun's Discrete Authalic parameterization.

#define GI_INTRINSIC 0x0816

Desbrun's Intrinsic parameterization.

#define GI_STRETCH_MINIMIZING 0x0817

Yoshizawa's stretch minimizing parameterization.

#define GI_GIM 0x0818

Gu's original Geometry Image parameterization.

#define GI_SOLVER_BICGSTAB 0x0820

BiCGStab solver.

#define GI_SOLVER_GMRES 0x0821

GMRES(m) solver.

#define GI_PARAM_STARTED 0x0830

Callback for parameterization start.

#define GI_PARAM_CHANGED 0x0831

Callback for parameterization change.

#define GI_PARAM_FINISHED 0x0832

Callback for parameterization end.

#define GI_UNKNOWN_DOMAIN 0x0000

Unknown parameterization domain.

#define GI_SQUARE_DOMAIN 0x0840

Unit square.

#define GI_TRIANGLE_DOMAIN 0x0841

Unit triangle.

#define GI_MAX_GEOMETRIC_STRETCH 0x0900

Linf stretch as defined by Sander et al.

#define GI_RMS_GEOMETRIC_STRETCH 0x0901

L2 stretch as defined by Sander et al.

#define GI_COMBINED_STRETCH 0x0902

Combined energy as defined by Degener et al.

#define GI_IMAGE_WIDTH 0x0A00

Width of image.

#define GI_IMAGE_HEIGHT 0x0A01

Height of image.

#define GI_IMAGE_COMPONENTS 0x0A02

Number of components.

#define GI_IMAGE_TYPE 0x0A03

Data type of image elements.

#define GI_GL_IMAGE_TEXTURE 0x0A04

OpenGL texture object of image (if texture storage).

#define GI_GL_IMAGE_BUFFER 0x0A05

OpenGL buffer object of image (if buffer storage).

#define GI_IMAGE_DATA 0x0A06

RAM address of image data (if RAM storage).

#define GI_IMAGE_STORAGE 0x0A07

Storage mode of image.

#define GI_SUBIMAGE_X 0x0A08

X-offset of sub-image.

#define GI_SUBIMAGE_Y 0x0A09

X-offset of sub-image.

#define GI_SUBIMAGE_WIDTH 0x0A0A

Width of sub-image.

#define GI_SUBIMAGE_HEIGHT 0x0A0B

Height of sub-image.

#define GI_SUBIMAGE 0x0A0C

Sub-image rectangle as 4 ints.

#define GI_EXTERNAL_DATA 0x0A10

Image stored in user-owned RAM.

#define GI_GL_TEXTURE_DATA 0x0A11

Image stored in user-owned GL texture.

#define GI_GL_BUFFER_DATA 0x0A12

Image stored in user-owned GL buffer.

#define GI_NO_IMAGE_DATA 0x0A13

Image data not yet specified.

#define GI_SAMPLER 0x0B00

Sampler to use.

#define GI_SAMPLER_USE_SHADER 0x0B01

Use GLSL if supported.

#define GI_SAMPLER_USE_RENDER_TO_TEXTURE 0x0B02

Use framebuffer objects if supported.

#define GI_SAMPLER_SOFTWARE 0x0B10

Software sampling.

#define GI_SAMPLER_OPENGL 0x0B11

Hardware accelerated sampling using OpenGL.

#define GI_SAMPLING_MODE 0x0C00

Sampling style.

#define GI_SAMPLING_TRANSFORM 0x0C01

Transformation matrix.

#define GI_TEXTURE_DIMENSION 0x0C02

Dimension of OpenGL texture.

#define GI_GL_SAMPLE_TEXTURE 0x0C03

OpenGL texture to resample.

#define GI_SAMPLE_DIAGONAL_CORRECTION 0x0C04

Adjust upper subdiagonal for correct triangular interpolation.

#define GI_SAMPLE_DEFAULT 0x0000

Standard sampling.

#define GI_SAMPLE_NORMALIZED 0x0C10

Normalize after interpolation.

#define GI_SAMPLE_TEXTURED 0x0C11

Resample texture.

#define GI_GL_USE_VERTEX_TEXTURE 0x0001

Use vertex texturing for GIM rendering.

#define GI_GL_USE_GEOMETRY_SHADER 0x0002

Use geometry shader for GIM rendering.

#define GI_GL_PER_VERTEX_ATTRIBS 0x0004

Use per vertex color and normal.

#define GI_RENDER_RESOLUTION_U 0x0D03

U-resolution of base mesh for GIM rendering.

#define GI_RENDER_RESOLUTION_V 0x0D04

V-resolution of base mesh for GIM rendering.

#define GI_RENDER_CACHE_SIZE 0x0D05

Size of cache for geometry image rendering.

#define GI_GIM_TYPE 0x0D06

Shape of geometry image.

#define GI_RECTANGULAR_GIM 0x0D10

Rectangular geometry image.

#define GI_TRIANGULAR_GIM 0x0D11

Triangular geometry image.

#define GI_GL_RENDER_SEMANTIC 0x0E00

Render semantic.

#define GI_GL_RENDER_CHANNEL 0x0E01

Render channel (for attribs and texCoords).

#define GI_TEXTURE_COORD_DOMAIN 0x0E02

TexCoord domain for images.

#define GI_GL_VERTEX 0x0E10

Use attribute as glVertex.

#define GI_GL_NORMAL 0x0E11

Use attribute as glNormal.

#define GI_GL_COLOR 0x0E12

Use attribute as glColor.

#define GI_GL_SECONDARY_COLOR 0x0E13

Use attribute as glSecondaryColor.

#define GI_GL_FOG_COORD 0x0E14

Use attribute as glFogCoord.

#define GI_GL_EVAL_COORD 0x0E15

Use attribute as glEvalCoord.

#define GI_GL_TEXTURE_COORD 0x0E16

Use attribute as gl[Multi]TexCoord.

#define GI_GL_VERTEX_ATTRIB 0x0E17

Use attribute as glVertexAttrib.

#define GI_UNIT_SQUARE 0x0E20

0-1-square.

#define GI_HALF_TEXEL_INDENT 0x0E21

0-1-square indented by half a texel.

#define GI_NO_ERROR 0x0000

No error encountered.

#define GI_INVALID_ENUM 0x1000

Wrong enum value.

#define GI_INVALID_OPERATION 0x1001

Wrong operation in current state.

#define GI_INVALID_VALUE 0x1002

Numeric value out of range.

#define GI_INVALID_ID 0x1003

Object ID not existent.

#define GI_INVALID_MESH 0x1004

Non-manifold mesh.

#define GI_INVALID_CUT 0x1005

Cut incomplete.

#define GI_NUMERICAL_ERROR 0x1006

Error in numerical routine.

#define GI_UNSUPPORTED_OPERATION 0x1007

Feature not supported.

#define GI_INVALID_PARAMETERIZATION 0x1008

No unit square.

Typedef Documentation

typedef unsigned int GIenum

Enumaration type.

typedef unsigned char GIboolean

Boolean type.

typedef unsigned int GIbitfield

Bitfield type.

typedef char GIchar

Character type.

typedef signed char GIbyte

1 byte signed integer type.

typedef short GIshort

2 byte signed integer type.

typedef int GIint

4 byte signed integer type.

typedef int GIsizei

Size type.

typedef unsigned char GIubyte

1 byte unsigned integer type.

typedef unsigned short GIushort

2 byte unsigned integer type.

typedef unsigned int GIuint

4 byte unsigned integer type.

typedef float GIfloat

Single precission floating point type.

typedef double GIdouble

Double precission floating point type.

typedef unsigned short GIhalf

Half precission floating point type.

typedef void GIvoid

Void type.

typedef void* GIcontext

Context type.

typedef GIboolean(GICALLBACK * GIparamcb)(GIvoid *)

Parameterization callback.

typedef void(GICALLBACK * GIsamplercb)(GIdouble *, const GIdouble *, GIvoid *)

Sampler callback.

typedef void(GICALLBACK * GIerrorcb)(GIenum, GIvoid *)

Error callback.

gi.h File Reference

Defines

Typedefs

Functions

Detailed Description

Define Documentation

Typedef Documentation