gravitygl

package
v0.0.0-...-ea655a8 Latest Latest
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 Go to latest Published: Mar 16, 2022 License: MIT Imports: 7 Imported by: 0

README

gravitygl

Cross-platform opengl helper library

Documentation

Index

Constants

View Source 
const (
	GL_POINT_SMOOTH_HINT   = 0x0C51
	GL_LINE_SMOOTH_HINT    = 0x0C52
	GL_POLYGON_SMOOTH_HINT = 0x0C53

	GL_POLYGON_SMOOTH = 0x0B41
	GL_LINE_SMOOTH    = 0x0B20
)
View Source 
const (
	POINTS                                       = 0x0000
	LINES                                        = 0x0001
	LINE_LOOP                                    = 0x0002
	LINE_STRIP                                   = 0x0003
	TRIANGLES                                    = 0x0004
	TRIANGLE_STRIP                               = 0x0005
	TRIANGLE_FAN                                 = 0x0006
	SRC_COLOR                                    = 0x0300
	ONE_MINUS_SRC_COLOR                          = 0x0301
	SRC_ALPHA                                    = 0x0302
	ONE_MINUS_SRC_ALPHA                          = 0x0303
	DST_ALPHA                                    = 0x0304
	ONE_MINUS_DST_ALPHA                          = 0x0305
	DST_COLOR                                    = 0x0306
	ONE_MINUS_DST_COLOR                          = 0x0307
	SRC_ALPHA_SATURATE                           = 0x0308
	FUNC_ADD                                     = 0x8006
	BLEND_EQUATION                               = 0x8009
	BLEND_EQUATION_RGB                           = 0x8009
	BLEND_EQUATION_ALPHA                         = 0x883D
	FUNC_SUBTRACT                                = 0x800A
	FUNC_REVERSE_SUBTRACT                        = 0x800B
	BLEND_DST_RGB                                = 0x80C8
	BLEND_SRC_RGB                                = 0x80C9
	BLEND_DST_ALPHA                              = 0x80CA
	BLEND_SRC_ALPHA                              = 0x80CB
	CONSTANT_COLOR                               = 0x8001
	ONE_MINUS_CONSTANT_COLOR                     = 0x8002
	CONSTANT_ALPHA                               = 0x8003
	ONE_MINUS_CONSTANT_ALPHA                     = 0x8004
	BLEND_COLOR                                  = 0x8005
	ARRAY_BUFFER                                 = 0x8892
	ELEMENT_ARRAY_BUFFER                         = 0x8893
	ARRAY_BUFFER_BINDING                         = 0x8894
	ELEMENT_ARRAY_BUFFER_BINDING                 = 0x8895
	STREAM_DRAW                                  = 0x88E0
	STATIC_DRAW                                  = 0x88E4
	DYNAMIC_DRAW                                 = 0x88E8
	BUFFER_SIZE                                  = 0x8764
	BUFFER_USAGE                                 = 0x8765
	CURRENT_VERTEX_ATTRIB                        = 0x8626
	FRONT                                        = 0x0404
	BACK                                         = 0x0405
	FRONT_AND_BACK                               = 0x0408
	TEXTURE_2D                                   = 0x0DE1
	CULL_FACE                                    = 0x0B44
	BLEND                                        = 0x0BE2
	DITHER                                       = 0x0BD0
	STENCIL_TEST                                 = 0x0B90
	DEPTH_TEST                                   = 0x0B71
	SCISSOR_TEST                                 = 0x0C11
	POLYGON_OFFSET_FILL                          = 0x8037
	SAMPLE_ALPHA_TO_COVERAGE                     = 0x809E
	SAMPLE_COVERAGE                              = 0x80A0
	INVALID_ENUM                                 = 0x0500
	INVALID_VALUE                                = 0x0501
	INVALID_OPERATION                            = 0x0502
	OUT_OF_MEMORY                                = 0x0505
	CW                                           = 0x0900
	CCW                                          = 0x0901
	LINE_WIDTH                                   = 0x0B21
	ALIASED_POINT_SIZE_RANGE                     = 0x846D
	ALIASED_LINE_WIDTH_RANGE                     = 0x846E
	CULL_FACE_MODE                               = 0x0B45
	FRONT_FACE                                   = 0x0B46
	DEPTH_RANGE                                  = 0x0B70
	DEPTH_WRITEMASK                              = 0x0B72
	DEPTH_CLEAR_VALUE                            = 0x0B73
	DEPTH_FUNC                                   = 0x0B74
	STENCIL_CLEAR_VALUE                          = 0x0B91
	STENCIL_FUNC                                 = 0x0B92
	STENCIL_FAIL                                 = 0x0B94
	STENCIL_PASS_DEPTH_FAIL                      = 0x0B95
	STENCIL_PASS_DEPTH_PASS                      = 0x0B96
	STENCIL_REF                                  = 0x0B97
	STENCIL_VALUE_MASK                           = 0x0B93
	STENCIL_WRITEMASK                            = 0x0B98
	STENCIL_BACK_FUNC                            = 0x8800
	STENCIL_BACK_FAIL                            = 0x8801
	STENCIL_BACK_PASS_DEPTH_FAIL                 = 0x8802
	STENCIL_BACK_PASS_DEPTH_PASS                 = 0x8803
	STENCIL_BACK_REF                             = 0x8CA3
	STENCIL_BACK_VALUE_MASK                      = 0x8CA4
	STENCIL_BACK_WRITEMASK                       = 0x8CA5
	VIEWPORT                                     = 0x0BA2
	SCISSOR_BOX                                  = 0x0C10
	COLOR_CLEAR_VALUE                            = 0x0C22
	COLOR_WRITEMASK                              = 0x0C23
	UNPACK_ALIGNMENT                             = 0x0CF5
	PACK_ALIGNMENT                               = 0x0D05
	MAX_TEXTURE_SIZE                             = 0x0D33
	MAX_VIEWPORT_DIMS                            = 0x0D3A
	SUBPIXEL_BITS                                = 0x0D50
	RED_BITS                                     = 0x0D52
	GREEN_BITS                                   = 0x0D53
	BLUE_BITS                                    = 0x0D54
	ALPHA_BITS                                   = 0x0D55
	DEPTH_BITS                                   = 0x0D56
	STENCIL_BITS                                 = 0x0D57
	POLYGON_OFFSET_UNITS                         = 0x2A00
	POLYGON_OFFSET_FACTOR                        = 0x8038
	TEXTURE_BINDING_2D                           = 0x8069
	SAMPLE_BUFFERS                               = 0x80A8
	SAMPLES                                      = 0x80A9
	SAMPLE_COVERAGE_VALUE                        = 0x80AA
	SAMPLE_COVERAGE_INVERT                       = 0x80AB
	NUM_COMPRESSED_TEXTURE_FORMATS               = 0x86A2
	COMPRESSED_TEXTURE_FORMATS                   = 0x86A3
	DONT_CARE                                    = 0x1100
	FASTEST                                      = 0x1101
	NICEST                                       = 0x1102
	GENERATE_MIPMAP_HINT                         = 0x8192
	BYTE                                         = 0x1400
	UNSIGNED_BYTE                                = 0x1401
	SHORT                                        = 0x1402
	UNSIGNED_SHORT                               = 0x1403
	INT                                          = 0x1404
	UNSIGNED_INT                                 = 0x1405
	FLOAT                                        = 0x1406
	FIXED                                        = 0x140C
	DEPTH_COMPONENT                              = 0x1902
	ALPHA                                        = 0x1906
	RGB                                          = 0x1907
	RGBA                                         = 0x1908
	LUMINANCE                                    = 0x1909
	LUMINANCE_ALPHA                              = 0x190A
	UNSIGNED_SHORT_4_4_4_4                       = 0x8033
	UNSIGNED_SHORT_5_5_5_1                       = 0x8034
	UNSIGNED_SHORT_5_6_5                         = 0x8363
	MAX_VERTEX_ATTRIBS                           = 0x8869
	MAX_VERTEX_UNIFORM_VECTORS                   = 0x8DFB
	MAX_VARYING_VECTORS                          = 0x8DFC
	MAX_COMBINED_TEXTURE_IMAGE_UNITS             = 0x8B4D
	MAX_VERTEX_TEXTURE_IMAGE_UNITS               = 0x8B4C
	MAX_TEXTURE_IMAGE_UNITS                      = 0x8872
	MAX_FRAGMENT_UNIFORM_VECTORS                 = 0x8DFD
	SHADER_TYPE                                  = 0x8B4F
	DELETE_STATUS                                = 0x8B80
	LINK_STATUS                                  = 0x8B82
	VALIDATE_STATUS                              = 0x8B83
	ATTACHED_SHADERS                             = 0x8B85
	ACTIVE_UNIFORMS                              = 0x8B86
	ACTIVE_UNIFORM_MAX_LENGTH                    = 0x8B87
	ACTIVE_ATTRIBUTES                            = 0x8B89
	ACTIVE_ATTRIBUTE_MAX_LENGTH                  = 0x8B8A
	SHADING_LANGUAGE_VERSION                     = 0x8B8C
	CURRENT_PROGRAM                              = 0x8B8D
	NEVER                                        = 0x0200
	LESS                                         = 0x0201
	EQUAL                                        = 0x0202
	LEQUAL                                       = 0x0203
	GREATER                                      = 0x0204
	NOTEQUAL                                     = 0x0205
	GEQUAL                                       = 0x0206
	ALWAYS                                       = 0x0207
	KEEP                                         = 0x1E00
	REPLACE                                      = 0x1E01
	INCR                                         = 0x1E02
	DECR                                         = 0x1E03
	INVERT                                       = 0x150A
	INCR_WRAP                                    = 0x8507
	DECR_WRAP                                    = 0x8508
	VENDOR                                       = 0x1F00
	RENDERER                                     = 0x1F01
	VERSION                                      = 0x1F02
	EXTENSIONS                                   = 0x1F03
	NEAREST                                      = 0x2600
	LINEAR                                       = 0x2601
	NEAREST_MIPMAP_NEAREST                       = 0x2700
	LINEAR_MIPMAP_NEAREST                        = 0x2701
	NEAREST_MIPMAP_LINEAR                        = 0x2702
	LINEAR_MIPMAP_LINEAR                         = 0x2703
	TEXTURE_MAG_FILTER                           = 0x2800
	TEXTURE_MIN_FILTER                           = 0x2801
	TEXTURE_WRAP_S                               = 0x2802
	TEXTURE_WRAP_T                               = 0x2803
	TEXTURE_WRAP_R                               = 0x8072
	TEXTURE                                      = 0x1702
	TEXTURE_CUBE_MAP                             = 0x8513
	TEXTURE_BINDING_CUBE_MAP                     = 0x8514
	TEXTURE_CUBE_MAP_POSITIVE_X                  = 0x8515
	TEXTURE_CUBE_MAP_NEGATIVE_X                  = 0x8516
	TEXTURE_CUBE_MAP_POSITIVE_Y                  = 0x8517
	TEXTURE_CUBE_MAP_NEGATIVE_Y                  = 0x8518
	TEXTURE_CUBE_MAP_POSITIVE_Z                  = 0x8519
	TEXTURE_CUBE_MAP_NEGATIVE_Z                  = 0x851A
	MAX_CUBE_MAP_TEXTURE_SIZE                    = 0x851C
	TEXTURE0                                     = 0x84C0
	TEXTURE1                                     = 0x84C1
	TEXTURE2                                     = 0x84C2
	TEXTURE3                                     = 0x84C3
	TEXTURE4                                     = 0x84C4
	TEXTURE5                                     = 0x84C5
	TEXTURE6                                     = 0x84C6
	TEXTURE7                                     = 0x84C7
	TEXTURE8                                     = 0x84C8
	TEXTURE9                                     = 0x84C9
	TEXTURE10                                    = 0x84CA
	TEXTURE11                                    = 0x84CB
	TEXTURE12                                    = 0x84CC
	TEXTURE13                                    = 0x84CD
	TEXTURE14                                    = 0x84CE
	TEXTURE15                                    = 0x84CF
	TEXTURE16                                    = 0x84D0
	TEXTURE17                                    = 0x84D1
	TEXTURE18                                    = 0x84D2
	TEXTURE19                                    = 0x84D3
	TEXTURE20                                    = 0x84D4
	TEXTURE21                                    = 0x84D5
	TEXTURE22                                    = 0x84D6
	TEXTURE23                                    = 0x84D7
	TEXTURE24                                    = 0x84D8
	TEXTURE25                                    = 0x84D9
	TEXTURE26                                    = 0x84DA
	TEXTURE27                                    = 0x84DB
	TEXTURE28                                    = 0x84DC
	TEXTURE29                                    = 0x84DD
	TEXTURE30                                    = 0x84DE
	TEXTURE31                                    = 0x84DF
	ACTIVE_TEXTURE                               = 0x84E0
	REPEAT                                       = 0x2901
	CLAMP_TO_EDGE                                = 0x812F
	MIRRORED_REPEAT                              = 0x8370
	VERTEX_ATTRIB_ARRAY_ENABLED                  = 0x8622
	VERTEX_ATTRIB_ARRAY_SIZE                     = 0x8623
	VERTEX_ATTRIB_ARRAY_STRIDE                   = 0x8624
	VERTEX_ATTRIB_ARRAY_TYPE                     = 0x8625
	VERTEX_ATTRIB_ARRAY_NORMALIZED               = 0x886A
	VERTEX_ATTRIB_ARRAY_POINTER                  = 0x8645
	VERTEX_ATTRIB_ARRAY_BUFFER_BINDING           = 0x889F
	IMPLEMENTATION_COLOR_READ_TYPE               = 0x8B9A
	IMPLEMENTATION_COLOR_READ_FORMAT             = 0x8B9B
	COMPILE_STATUS                               = 0x8B81
	INFO_LOG_LENGTH                              = 0x8B84
	SHADER_SOURCE_LENGTH                         = 0x8B88
	SHADER_COMPILER                              = 0x8DFA
	SHADER_BINARY_FORMATS                        = 0x8DF8
	NUM_SHADER_BINARY_FORMATS                    = 0x8DF9
	LOW_FLOAT                                    = 0x8DF0
	MEDIUM_FLOAT                                 = 0x8DF1
	HIGH_FLOAT                                   = 0x8DF2
	LOW_INT                                      = 0x8DF3
	MEDIUM_INT                                   = 0x8DF4
	HIGH_INT                                     = 0x8DF5
	FRAMEBUFFER                                  = 0x8D40
	RENDERBUFFER                                 = 0x8D41
	RGBA4                                        = 0x8056
	RGB5_A1                                      = 0x8057
	RGB565                                       = 0x8D62
	DEPTH_COMPONENT16                            = 0x81A5
	STENCIL_INDEX8                               = 0x8D48
	RENDERBUFFER_WIDTH                           = 0x8D42
	RENDERBUFFER_HEIGHT                          = 0x8D43
	RENDERBUFFER_INTERNAL_FORMAT                 = 0x8D44
	RENDERBUFFER_RED_SIZE                        = 0x8D50
	RENDERBUFFER_GREEN_SIZE                      = 0x8D51
	RENDERBUFFER_BLUE_SIZE                       = 0x8D52
	RENDERBUFFER_ALPHA_SIZE                      = 0x8D53
	RENDERBUFFER_DEPTH_SIZE                      = 0x8D54
	RENDERBUFFER_STENCIL_SIZE                    = 0x8D55
	FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE           = 0x8CD0
	FRAMEBUFFER_ATTACHMENT_OBJECT_NAME           = 0x8CD1
	FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL         = 0x8CD2
	FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE = 0x8CD3
	COLOR_ATTACHMENT0                            = 0x8CE0
	DEPTH_ATTACHMENT                             = 0x8D00
	STENCIL_ATTACHMENT                           = 0x8D20
	FRAMEBUFFER_COMPLETE                         = 0x8CD5
	FRAMEBUFFER_INCOMPLETE_ATTACHMENT            = 0x8CD6
	FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT    = 0x8CD7
	FRAMEBUFFER_INCOMPLETE_DIMENSIONS            = 0x8CD9
	FRAMEBUFFER_UNSUPPORTED                      = 0x8CDD
	FRAMEBUFFER_BINDING                          = 0x8CA6
	RENDERBUFFER_BINDING                         = 0x8CA7
	MAX_RENDERBUFFER_SIZE                        = 0x84E8
	INVALID_FRAMEBUFFER_OPERATION                = 0x0506
)
View Source 
const (
	DEPTH_BUFFER_BIT   = 0x00000100
	STENCIL_BUFFER_BIT = 0x00000400
	COLOR_BUFFER_BIT   = 0x00004000
)
View Source 
const (
	FLOAT_VEC2   = 0x8B50
	FLOAT_VEC3   = 0x8B51
	FLOAT_VEC4   = 0x8B52
	INT_VEC2     = 0x8B53
	INT_VEC3     = 0x8B54
	INT_VEC4     = 0x8B55
	BOOL         = 0x8B56
	BOOL_VEC2    = 0x8B57
	BOOL_VEC3    = 0x8B58
	BOOL_VEC4    = 0x8B59
	FLOAT_MAT2   = 0x8B5A
	FLOAT_MAT3   = 0x8B5B
	FLOAT_MAT4   = 0x8B5C
	SAMPLER_2D   = 0x8B5E
	SAMPLER_CUBE = 0x8B60
)
View Source 
const (
	FRAGMENT_SHADER = 0x8B30
	VERTEX_SHADER   = 0x8B31
)
View Source 
const (
	FALSE    = 0
	TRUE     = 1
	ZERO     = 0
	ONE      = 1
	NO_ERROR = 0
	NONE     = 0
)
View Source 
const (
	LINE  = 0x1B01
	FILL  = 0x1B02
	POINT = 0x1B00
)
View Source 
const (
	RGBA32F = 0x8814
	RGBA8   = 0x8058
)

Variables

View Source 
var (
	// Target ...
	Target = "desktop/glfw"

	// Update ...
	Update = func() {}

	// GLNullObj ...
	GLNullObj = EnumType(0)
)

Functions

func ActiveTexture 

func ActiveTexture(unit uint32)

ActiveTexture ...

func AttachShader 

func AttachShader(program GLProgram, shader GLShader)

AttachShader ...

func BindBuffer 

func BindBuffer(target GLUint32, buffer GLBuffer)

BindBuffer ...

func BindFramebuffer 

func BindFramebuffer(fb uint32)

BindFramebuffer ...

func BindRenderbuffer 

func BindRenderbuffer(rb uint32)

BindRenderbuffer ...

func BindTexture 

func BindTexture(target, tex uint32)

BindTexture ...

func BindVertexArray 

func BindVertexArray(vao GLVertexArray)

BindVertexArray ...

func BlendEquation 

func BlendEquation(mode uint32)

BlendEquation ...

func BlendFunc 

func BlendFunc(sfactor, dfactor GLUint32)

BlendFunc ...

func BufferData 

func BufferData(target GLUint32, usage GLUint32, data interface{})

BufferData ...

func Clear 

func Clear(mask GLUint32)

Clear ...

func ClearColor 

func ClearColor(c mgl32.Vec4)

ClearColor ...

func ClearDepth 

func ClearDepth(depth float64)

ClearDepth ...

func CompileShader 

func CompileShader(shader GLShader) error

CompileShader ...

func CreateFramebuffer 

func CreateFramebuffer() uint32

CreateFramebuffer ...

func CreateRenderbuffer 

func CreateRenderbuffer() uint32

CreateRenderbuffer ...

func CreateTexture 

func CreateTexture() uint32

CreateTexture ...

func DeleteShader 

func DeleteShader(shader GLShader)

DeleteShader ...

func DepthFunc 

func DepthFunc(xfunc GLUint32)

DepthFunc ...

func DepthMask 

func DepthMask(flag bool)

DepthMask ...

func Disable 

func Disable(option GLUint32)

Disable ...

func DrawElements 

func DrawElements(mode EnumType, count int, xtype EnumType, offset int)

DrawElements ...

func Enable 

func Enable(option GLUint32)

Enable ...

func EnableVertexAttribArray 

func EnableVertexAttribArray(index EnumType)

EnableVertexAttribArray ...

func FramebufferRenderbuffer 

func FramebufferRenderbuffer(rb uint32)

FramebufferRenderbuffer ...

func FramebufferTexture2D 

func FramebufferTexture2D(tex uint32)

FramebufferTexture2D ...

func GenerateMipmap 

func GenerateMipmap(target uint32)

GenerateMipmap ...

func GetGLVersion 

func GetGLVersion() string

GetGLVersion ...

func GetProgramInfoLog 

func GetProgramInfoLog(program GLProgram) string

GetProgramInfoLog ...

func GetProgramParameterb 

func GetProgramParameterb(program GLProgram, pname GLUint32) bool

GetProgramParameterb ...

func GetShaderInfoLog 

func GetShaderInfoLog(shader GLShader) string

GetShaderInfoLog ...

func GetShaderParameterb 

func GetShaderParameterb(shader GLShader, pname GLUint32) bool

GetShaderParameterb ...

func GetString 

func GetString(name GLUint32) string

GetString ...

func Hint 

func Hint(target, mode uint32)

Hint ...

func Init 

func Init() error

Init ...

func LineWidth 

func LineWidth(width float32)

LineWidth ...

func LinkProgram 

func LinkProgram(program GLProgram) error

LinkProgram ...

func MakeFramebuffer 

func MakeFramebuffer() uint32

MakeFramebuffer ...

func PixelStorei 

func PixelStorei(pname uint32, param int32)

PixelStorei ...

func PolygonMode 

func PolygonMode(face, mode uint32)

PolygonMode ...

func RenderbufferStorage 

func RenderbufferStorage(w, h int32)

RenderbufferStorage ...

func Scissor 

func Scissor(x, y, w, h int32)

Scissor ...

func ShaderSource 

func ShaderSource(shader GLShader, source string)

ShaderSource ...

func TexImage2D 

func TexImage2D(target uint32, level int32, internalformat int32, width int32, height int32, border int32, format uint32, xtype uint32, pixels unsafe.Pointer)

TexImage2D ...

func TexParameteri 

func TexParameteri(tex uint32, pname uint32, param int32)

TexParameteri ...

func Uniform1f 

func Uniform1f(loc GLUniform, val float32)

Uniform1f ...

func Uniform1i 

func Uniform1i(loc GLUniform, val int32)

Uniform1i ...

func Uniform3fv 

func Uniform3fv(loc GLUniform, val [3]float32)

Uniform3fv ...

func Uniform4f 

func Uniform4f(loc GLUniform, val [4]float32)

Uniform4f ...

func UniformMatrix4fv 

func UniformMatrix4fv(loc GLUniform, val [16]float32)

UniformMatrix4fv ...

func UseProgram 

func UseProgram(program GLProgram)

UseProgram ...

func VertexAttribPointer 

func VertexAttribPointer(index EnumType, size GLInt32, xtype EnumType, normalized bool, stride GLInt32, offset int)

VertexAttribPointer ... 

opengl: VertexAttribPointer(index uint32, size int32, xtype uint32, normalized bool, stride int32, pointer unsafe.Pointer)
 webgl: VertexAttribPointer(index    int, size   int, typ      int, normal     bool, stride   int,  offset int)

func ViewPort 

func ViewPort(x, y, width, height GLInt32)

ViewPort ...

Types

type Attribute 

type Attribute struct {
	// contains filtered or unexported fields
}

Attribute ...

func NewAttribute 

func NewAttribute(usage uint32, componentsPerElement int32, data interface{}) *Attribute

NewAttribute ...

func (*Attribute) Dump 

func (attr *Attribute) Dump()

Dump ...

type AttributesInfo 

type AttributesInfo struct {
	Name string
	Loc  uint32
	Size int
	Type Enum
}

AttributesInfo ...

type Buffer 

type Buffer struct {
	DataType
	ID uint32
	// contains filtered or unexported fields
}

Buffer ...

func NewBuffer 

func NewBuffer(target GLUint32, usage GLUint32, data interface{}) *Buffer

NewBuffer ...

func (*Buffer) Data 

func (b *Buffer) Data() interface{}

Data ...

func (*Buffer) GLType 

func (b *Buffer) GLType() GLUint32

GLType ...

func (*Buffer) Target 

func (b *Buffer) Target() GLUint32

Target ...

func (*Buffer) Usage 

func (b *Buffer) Usage() GLUint32

Usage ...

type DataType 

type DataType uint32

DataType ... 

const (
	GLFloat         DataType = FLOAT
	GLUnsignedInt32 DataType = UNSIGNED_INT
)

Data types

func (DataType) Size 

func (dt DataType) Size() int

Size ...

type Enum 

type Enum EnumType

Enum represents a gl type or constant

func GetActiveAttrib 

func GetActiveAttrib(program GLProgram, attr GLAttribute) (name string, size int, ty Enum)

GetActiveAttrib ...

func GetActiveUniform 

func GetActiveUniform(program GLProgram, unif GLUniform) (name string, size int, ty Enum)

GetActiveUniform ...

func GetError 

func GetError() Enum

GetError ...

func (Enum) String 

func (v Enum) String() string

type EnumType 

type EnumType = uint32

EnumType is opengl's constants/enums type

func GetAttribLocation 

func GetAttribLocation(program GLProgram, name string) EnumType

GetAttribLocation ...

type GLAttribute 

type GLAttribute = uint32

GLAttribute is the gl location of an attribute

type GLBuffer 

type GLBuffer = uint32

GLBuffer is the gl location of a buffer

func CreateBuffer 

func CreateBuffer() GLBuffer

CreateBuffer ...

type GLInt32 

type GLInt32 = int32

GLInt32 is opengl's int32

func GetProgramParameteri 

func GetProgramParameteri(program GLProgram, pname GLUint32) GLInt32

GetProgramParameteri ...

func GetShaderParameteri 

func GetShaderParameteri(shader GLShader, pname GLUint32) GLInt32

GetShaderParameteri ...

type GLObject 

type GLObject = uint32

GLObject is the common gl type returned for gl objects created

type GLProgram 

type GLProgram = uint32

GLProgram is the gl location of a program

func CreateProgram 

func CreateProgram() GLProgram

CreateProgram ...

func MakeProgram 

func MakeProgram(vertexSrc, fragmentSrc string) (GLProgram, error)

MakeProgram ...

type GLShader 

type GLShader = uint32

GLShader is the gl location of a shader

func CreateShader 

func CreateShader(xtype GLUint32) GLShader

CreateShader ...

func MakeFragmentShader 

func MakeFragmentShader(source string) (GLShader, error)

MakeFragmentShader ...

func MakeShader 

func MakeShader(xtype GLUint32, source string) (GLShader, error)

MakeShader ...

func MakeVertexShader 

func MakeVertexShader(source string) (GLShader, error)

MakeVertexShader ...

type GLUint32 

type GLUint32 = uint32

GLUint32 is opengl's uint32

type GLUniform 

type GLUniform = int32

GLUniform is the gl location of a uniform

func GetUniformLocation 

func GetUniformLocation(program GLProgram, name string) GLUniform

GetUniformLocation ...

type GLVertexArray 

type GLVertexArray = uint32

GLVertexArray is the location of a VAO

func CreateVertexArray 

func CreateVertexArray() GLVertexArray

CreateVertexArray ...

type Program 

type Program struct {
	Attributes []AttributesInfo
	Uniforms   []UniformInfo
	// contains filtered or unexported fields
}

Program ...

func NewProgram 

func NewProgram(vertexSource, fragmentSource string) *Program

NewProgram ...

func (*Program) UpdateAttributesUniformsLayout 

func (prg *Program) UpdateAttributesUniformsLayout()

UpdateAttributesUniformsLayout ...

func (*Program) Use 

func (prg *Program) Use()

Use ...

type UniformInfo 

type UniformInfo struct {
	Name string
	Loc  int32
	Size int
	Type Enum
}

UniformInfo ...

type VertexArray 

type VertexArray struct {
	Triangles  *[]uint32
	Attributes []*Attribute
	// contains filtered or unexported fields
}

VertexArray ...

func NewVertexArray 

func NewVertexArray() *VertexArray

NewVertexArray ...

func (*VertexArray) AddAttributes 

func (vao *VertexArray) AddAttributes(attr ...*Attribute)

AddAttributes ...

func (*VertexArray) Bind 

func (vao *VertexArray) Bind()

Bind ...

func (*VertexArray) Init 

func (vao *VertexArray) Init()

Init ...

func (*VertexArray) Length 

func (vao *VertexArray) Length() int

Length ...

Source Files

View all Source files

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