opengl

Documentation

Overview

Package opengl implements the core.RenderSystem interface by wrapping the OpenGL API

Index

• type Framebuffer
  • func (f *Framebuffer) ColorAttachment(index int) core.Texture
  • func (f *Framebuffer) ColorAttachments() map[int]core.Texture
  • func (f *Framebuffer) DepthAttachment() core.Texture
  • func (f *Framebuffer) SetColorAttachment(index int, attachment core.Texture)
  • func (f *Framebuffer) SetDepthAttachment(attachment core.Texture)
• type IMGUIMesh
• type Mesh
  • func (m *Mesh) Bounds() *core.AABB
  • func (m *Mesh) Draw()
  • func (m *Mesh) DrawInstanced(instanceCount int, instanceData unsafe.Pointer)
  • func (m *Mesh) Gt(other core.Mesh) bool
  • func (m *Mesh) Lt(other core.Mesh) bool
  • func (m *Mesh) Name() string
  • func (m *Mesh) SetIndices(indices []uint16)
  • func (m *Mesh) SetName(name string)
  • func (m *Mesh) SetNormals(normals []float32)
  • func (m *Mesh) SetPositions(positions []float32)
  • func (m *Mesh) SetPrimitiveType(t core.PrimitiveType)
  • func (m *Mesh) SetTextureCoordinates(texcoords []float32)
• type Program
  • func (p *Program) Name() string
• type RenderSystem
  • func New() *RenderSystem
  • func (r *RenderSystem) CanBatch(a *core.Descriptors, b *core.Descriptors) bool
  • func (r *RenderSystem) Dispatch(cmd core.RenderCommand)
  • func (r *RenderSystem) NewFramebuffer() core.Framebuffer
  • func (r *RenderSystem) NewMesh() core.Mesh
  • func (r *RenderSystem) NewProgram(name string, data []byte) core.Program
  • func (rs *RenderSystem) NewTexture(d core.TextureDescriptor, data []byte) core.Texture
  • func (rs *RenderSystem) NewTextureFromImageData(data []byte, descriptor core.TextureDescriptor) core.Texture
  • func (r *RenderSystem) NewUniform() core.Uniform
  • func (r *RenderSystem) NewUniformBuffer() core.UniformBuffer
  • func (r *RenderSystem) PostMakeWindow(cfg core.WindowConfig, w *glfw.Window)
  • func (r *RenderSystem) PreMakeWindow()
  • func (r *RenderSystem) ProgramExtension() string
  • func (r *RenderSystem) RenderLog() string
• type Texture
  • func (t *Texture) Descriptor() core.TextureDescriptor
  • func (t *Texture) Gt(other core.Texture) bool
  • func (t *Texture) Handle() unsafe.Pointer
  • func (t *Texture) Lt(other core.Texture) bool
  • func (t *Texture) SetFilter(f core.TextureFilter)
  • func (t *Texture) SetWrapMode(wm core.TextureWrapMode)
• type Uniform
  • func (u *Uniform) Copy() core.Uniform
  • func (u *Uniform) Set(value interface{})
  • func (u *Uniform) Value() interface{}
• type UniformBuffer
  • func (ub *UniformBuffer) Gt(other core.UniformBuffer) bool
  • func (ub *UniformBuffer) Lt(other core.UniformBuffer) bool
  • func (ub *UniformBuffer) Set(data unsafe.Pointer, dataLen int)

Types

type Framebuffer

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

Framebuffer implements the core.Framebuffer interface

func (*Framebuffer) ColorAttachment

func (f *Framebuffer) ColorAttachment(index int) core.Texture

ColorAttachment implements the core.RenderTarger interface

func (*Framebuffer) ColorAttachments

func (f *Framebuffer) ColorAttachments() map[int]core.Texture

ColorAttachments implements the core.RenderTarger interface

func (*Framebuffer) DepthAttachment

func (f *Framebuffer) DepthAttachment() core.Texture

DepthAttachment implements the core.RenderTarger interface

func (*Framebuffer) SetColorAttachment

func (f *Framebuffer) SetColorAttachment(index int, attachment core.Texture)

SetColorAttachment implements the core.RenderTarger interface

func (*Framebuffer) SetDepthAttachment

func (f *Framebuffer) SetDepthAttachment(attachment core.Texture)

SetDepthAttachment implements the core.RenderTarger interface

type IMGUIMesh

type IMGUIMesh struct {
	*Mesh
}

IMGUIMesh implements the core.IMGUIMesh interface

type Mesh

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

Mesh implements the core.Mesh interface

func (*Mesh) Bounds

func (m *Mesh) Bounds() *core.AABB

Bounds implements the core.Mesh interface

func (*Mesh) Draw

func (m *Mesh) Draw()

Draw implements the core.Mesh interface

func (*Mesh) DrawInstanced

func (m *Mesh) DrawInstanced(instanceCount int, instanceData unsafe.Pointer)

DrawInstanced implements the core.Mesh interface

func (*Mesh) Gt

func (m *Mesh) Gt(other core.Mesh) bool

Gt implements the core.Mesh interface

func (*Mesh) Lt

func (m *Mesh) Lt(other core.Mesh) bool

Lt implements the core.Mesh interface

func (*Mesh) Name

func (m *Mesh) Name() string

Name implements the core.Mesh interface

func (*Mesh) SetIndices

func (m *Mesh) SetIndices(indices []uint16)

SetIndices implements the core.Mesh interface

func (*Mesh) SetName

func (m *Mesh) SetName(name string)

SetName implements the core.Mesh interface

func (*Mesh) SetNormals

func (m *Mesh) SetNormals(normals []float32)

SetNormals implements the core.Mesh interface

func (*Mesh) SetPositions

func (m *Mesh) SetPositions(positions []float32)

SetPositions implements the core.Mesh interface

func (*Mesh) SetPrimitiveType

func (m *Mesh) SetPrimitiveType(t core.PrimitiveType)

SetPrimitiveType implements the core.Mesh interface

func (*Mesh) SetTextureCoordinates

func (m *Mesh) SetTextureCoordinates(texcoords []float32)

SetTextureCoordinates implements the core.Mesh interface

type Program

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

Program is an OpenGL program

func (*Program) Name

func (p *Program) Name() string

Name implements the core.Program interface

type RenderSystem

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

RenderSystem implements the core.RenderSystem interface

func New

func New() *RenderSystem

New returns a new RenderSystem

func (*RenderSystem) CanBatch

func (r *RenderSystem) CanBatch(a *core.Descriptors, b *core.Descriptors) bool

CanBatch determines whether or not two states can be batched

func (*RenderSystem) Dispatch

func (r *RenderSystem) Dispatch(cmd core.RenderCommand)

Dispatch implements the core.RenderSystem interface

func (*RenderSystem) NewFramebuffer

func (r *RenderSystem) NewFramebuffer() core.Framebuffer

NewFramebuffer implements the core.RenderSystem interface

func (*RenderSystem) NewMesh

func (r *RenderSystem) NewMesh() core.Mesh

NewMesh implements the core.RenderSystem interface

func (*RenderSystem) NewProgram

func (r *RenderSystem) NewProgram(name string, data []byte) core.Program

NewProgram implements the core.RenderSystem interface.

func (*RenderSystem) NewTexture

func (rs *RenderSystem) NewTexture(d core.TextureDescriptor, data []byte) core.Texture

NewTexture implements the core.RenderSystem interface

func (*RenderSystem) NewTextureFromImageData

func (rs *RenderSystem) NewTextureFromImageData(data []byte, descriptor core.TextureDescriptor) core.Texture

NewTextureFromImageData implements the core.RenderSystem interface

func (*RenderSystem) NewUniform

func (r *RenderSystem) NewUniform() core.Uniform

NewUniform implements the core.RenderSystem interface

func (*RenderSystem) NewUniformBuffer

func (r *RenderSystem) NewUniformBuffer() core.UniformBuffer

NewUniformBuffer implements the core.RenderSystem interface

func (*RenderSystem) PostMakeWindow

func (r *RenderSystem) PostMakeWindow(cfg core.WindowConfig, w *glfw.Window)

PostMakeWindow implements the core.RenderSystem interface by queueing this call so that it gets executed inside the locked thread.

func (*RenderSystem) PreMakeWindow

func (r *RenderSystem) PreMakeWindow()

PreMakeWindow is called before the actual glfw window creation to allow the rendersystem to provide its hints (API, versions, etc)

func (*RenderSystem) ProgramExtension

func (r *RenderSystem) ProgramExtension() string

ProgramExtension implements the core.RenderSystem interface.

func (*RenderSystem) RenderLog

func (r *RenderSystem) RenderLog() string

RenderLog implements the core.RenderSystem interface

type Texture

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

Texture is an OpenGL texture container

func (*Texture) Descriptor

func (t *Texture) Descriptor() core.TextureDescriptor

Descriptor returns the descriptor used to create this texture. Note that overriding filter and wrapMode will _not_ change the original descriptor used.

func (*Texture) Gt

func (t *Texture) Gt(other core.Texture) bool

Gt implements the core.Texture interface

func (*Texture) Handle

func (t *Texture) Handle() unsafe.Pointer

Handle implements the core.Texture interface

func (*Texture) Lt

func (t *Texture) Lt(other core.Texture) bool

Lt implements the core.Texture interface

func (*Texture) SetFilter

func (t *Texture) SetFilter(f core.TextureFilter)

SetFilter sets this texture filtering mode

func (*Texture) SetWrapMode

func (t *Texture) SetWrapMode(wm core.TextureWrapMode)

SetWrapMode sets this texture's wrap mode

type Uniform

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

Uniform implements the core.Uniform interface

func (*Uniform) Copy

func (u *Uniform) Copy() core.Uniform

Copy returns a copy of the uniform.

func (*Uniform) Set

func (u *Uniform) Set(value interface{})

Set implements the core.Uniform interface

func (*Uniform) Value

func (u *Uniform) Value() interface{}

Value implements the core.Uniform interface

type UniformBuffer

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

UniformBuffer implements the core.UniformBuffer interface

func (*UniformBuffer) Gt

func (ub *UniformBuffer) Gt(other core.UniformBuffer) bool

Gt implements the core.UniformBuffer interface

func (*UniformBuffer) Lt

func (ub *UniformBuffer) Lt(other core.UniformBuffer) bool

Lt implements the core.UniformBuffer interface

func (*UniformBuffer) Set

func (ub *UniformBuffer) Set(data unsafe.Pointer, dataLen int)

Set implements the core.UniformBuffer interface