gl

func (b *Backend) BeginFrame() driver.Framebuffer

func (b *Backend) BindFramebuffer(fbo driver.Framebuffer)

func (b *Backend) BindImageTexture(unit int, tex driver.Texture, access driver.AccessBits, f driver.TextureFormat)

func (b *Backend) BindIndexBuffer(buf driver.Buffer)

func (b *Backend) BindInputLayout(l driver.InputLayout)

func (b *Backend) BindProgram(prog driver.Program)

func (b *Backend) BindTexture(unit int, t driver.Texture)

func (b *Backend) BindVertexBuffer(buf driver.Buffer, stride, offset int)

func (b *Backend) BlendFunc(sfactor, dfactor driver.BlendFactor)

func (b *Backend) BlitFramebuffer(dst, src driver.Framebuffer, srect, drect image.Rectangle)

func (b *Backend) Caps() driver.Caps

func (b *Backend) Clear(colR, colG, colB, colA float32)

func (b *Backend) ClearDepth(d float32)

func (b *Backend) DepthFunc(f driver.DepthFunc)

func (b *Backend) DepthMask(mask bool)

func (b *Backend) DispatchCompute(x, y, z int)

func (b *Backend) DrawArrays(mode driver.DrawMode, off, count int)

func (b *Backend) DrawElements(mode driver.DrawMode, off, count int)

func (b *Backend) EndFrame()

func (b *Backend) IsTimeContinuous() bool

func (b *Backend) MemoryBarrier()

func (b *Backend) NewBuffer(typ driver.BufferBinding, size int) (driver.Buffer, error)

func (b *Backend) NewComputeProgram(src driver.ShaderSources) (driver.Program, error)

func (b *Backend) NewFramebuffer(tex driver.Texture, depthBits int) (driver.Framebuffer, error)

func (b *Backend) NewImmutableBuffer(typ driver.BufferBinding, data []byte) (driver.Buffer, error)

func (b *Backend) NewInputLayout(vs driver.ShaderSources, layout []driver.InputDesc) (driver.InputLayout, error)

func (b *Backend) NewProgram(vertShader, fragShader driver.ShaderSources) (driver.Program, error)

func (b *Backend) NewTexture(format driver.TextureFormat, width, height int, minFilter, magFilter driver.TextureFilter, binding driver.BufferBinding) (driver.Texture, error)

func (b *Backend) NewTimer() driver.Timer

func (b *Backend) Release()

func (b *Backend) SetBlend(enable bool)

func (b *Backend) SetDepthTest(enable bool)

func (b *Backend) Viewport(x, y, width, height int)