ebiten/internal/graphicsdriver/opengl/gl_js.go

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// Copyright 2021 The Ebiten Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package opengl
import (
"syscall/js"
)
type gl struct {
activeTexture js.Value
attachShader js.Value
bindAttribLocation js.Value
bindBuffer js.Value
bindFramebuffer js.Value
bindRenderbuffer js.Value
bindTexture js.Value
blendFunc js.Value
bufferData js.Value
bufferSubData js.Value
checkFramebufferStatus js.Value
clear js.Value
colorMask js.Value
compileShader js.Value
createBuffer js.Value
createFramebuffer js.Value
createProgram js.Value
createRenderbuffer js.Value
createShader js.Value
createTexture js.Value
deleteBuffer js.Value
deleteFramebuffer js.Value
deleteProgram js.Value
deleteRenderbuffer js.Value
deleteShader js.Value
deleteTexture js.Value
disable js.Value
disableVertexAttribArray js.Value
drawElements js.Value
enable js.Value
enableVertexAttribArray js.Value
framebufferRenderbuffer js.Value
framebufferTexture2D js.Value
flush js.Value
getBufferSubData js.Value
getExtension js.Value
getParameter js.Value
getProgramInfoLog js.Value
getProgramParameter js.Value
getShaderInfoLog js.Value
getShaderParameter js.Value
getShaderPrecisionFormat js.Value
getUniformLocation js.Value
isContextLost js.Value
isFramebuffer js.Value
isProgram js.Value
isRenderbuffer js.Value
isTexture js.Value
linkProgram js.Value
pixelStorei js.Value
readPixels js.Value
renderbufferStorage js.Value
scissor js.Value
shaderSource js.Value
stencilFunc js.Value
stencilMask js.Value
stencilOp js.Value
texImage2D js.Value
texSubImage2D js.Value
texParameteri js.Value
uniform1f js.Value
uniform1fv js.Value
uniform2fv js.Value
uniform3fv js.Value
uniform4fv js.Value
uniform1i js.Value
uniformMatrix2fv js.Value
uniformMatrix3fv js.Value
uniformMatrix4fv js.Value
useProgram js.Value
vertexAttribPointer js.Value
viewport js.Value
}
func newGL(v js.Value) *gl {
// Passing a Go string to the JS world is expensive. This causes conversion to UTF-16 (#1438).
// In order to reduce the cost when calling functions, create the function objects by bind and use them.
g := &gl{
activeTexture: v.Get("activeTexture").Call("bind", v),
attachShader: v.Get("attachShader").Call("bind", v),
bindAttribLocation: v.Get("bindAttribLocation").Call("bind", v),
bindBuffer: v.Get("bindBuffer").Call("bind", v),
bindFramebuffer: v.Get("bindFramebuffer").Call("bind", v),
bindRenderbuffer: v.Get("bindRenderbuffer").Call("bind", v),
bindTexture: v.Get("bindTexture").Call("bind", v),
blendFunc: v.Get("blendFunc").Call("bind", v),
bufferData: v.Get("bufferData").Call("bind", v),
bufferSubData: v.Get("bufferSubData").Call("bind", v),
checkFramebufferStatus: v.Get("checkFramebufferStatus").Call("bind", v),
clear: v.Get("clear").Call("bind", v),
colorMask: v.Get("colorMask").Call("bind", v),
compileShader: v.Get("compileShader").Call("bind", v),
createBuffer: v.Get("createBuffer").Call("bind", v),
createFramebuffer: v.Get("createFramebuffer").Call("bind", v),
createProgram: v.Get("createProgram").Call("bind", v),
createRenderbuffer: v.Get("createRenderbuffer").Call("bind", v),
createShader: v.Get("createShader").Call("bind", v),
createTexture: v.Get("createTexture").Call("bind", v),
deleteBuffer: v.Get("deleteBuffer").Call("bind", v),
deleteFramebuffer: v.Get("deleteFramebuffer").Call("bind", v),
deleteProgram: v.Get("deleteProgram").Call("bind", v),
deleteRenderbuffer: v.Get("deleteRenderbuffer").Call("bind", v),
deleteShader: v.Get("deleteShader").Call("bind", v),
deleteTexture: v.Get("deleteTexture").Call("bind", v),
disable: v.Get("disable").Call("bind", v),
disableVertexAttribArray: v.Get("disableVertexAttribArray").Call("bind", v),
drawElements: v.Get("drawElements").Call("bind", v),
enable: v.Get("enable").Call("bind", v),
enableVertexAttribArray: v.Get("enableVertexAttribArray").Call("bind", v),
framebufferRenderbuffer: v.Get("framebufferRenderbuffer").Call("bind", v),
framebufferTexture2D: v.Get("framebufferTexture2D").Call("bind", v),
flush: v.Get("flush").Call("bind", v),
getParameter: v.Get("getParameter").Call("bind", v),
getProgramInfoLog: v.Get("getProgramInfoLog").Call("bind", v),
getProgramParameter: v.Get("getProgramParameter").Call("bind", v),
getShaderInfoLog: v.Get("getShaderInfoLog").Call("bind", v),
getShaderParameter: v.Get("getShaderParameter").Call("bind", v),
getShaderPrecisionFormat: v.Get("getShaderPrecisionFormat").Call("bind", v),
getUniformLocation: v.Get("getUniformLocation").Call("bind", v),
isContextLost: v.Get("isContextLost").Call("bind", v),
isFramebuffer: v.Get("isFramebuffer").Call("bind", v),
isProgram: v.Get("isProgram").Call("bind", v),
isRenderbuffer: v.Get("isRenderbuffer").Call("bind", v),
isTexture: v.Get("isTexture").Call("bind", v),
linkProgram: v.Get("linkProgram").Call("bind", v),
pixelStorei: v.Get("pixelStorei").Call("bind", v),
readPixels: v.Get("readPixels").Call("bind", v),
renderbufferStorage: v.Get("renderbufferStorage").Call("bind", v),
scissor: v.Get("scissor").Call("bind", v),
shaderSource: v.Get("shaderSource").Call("bind", v),
stencilFunc: v.Get("stencilFunc").Call("bind", v),
stencilMask: v.Get("stencilMask").Call("bind", v),
stencilOp: v.Get("stencilOp").Call("bind", v),
texImage2D: v.Get("texImage2D").Call("bind", v),
texSubImage2D: v.Get("texSubImage2D").Call("bind", v),
texParameteri: v.Get("texParameteri").Call("bind", v),
uniform1f: v.Get("uniform1f").Call("bind", v),
uniform1fv: v.Get("uniform1fv").Call("bind", v),
uniform2fv: v.Get("uniform2fv").Call("bind", v),
uniform3fv: v.Get("uniform3fv").Call("bind", v),
uniform4fv: v.Get("uniform4fv").Call("bind", v),
uniform1i: v.Get("uniform1i").Call("bind", v),
uniformMatrix2fv: v.Get("uniformMatrix2fv").Call("bind", v),
uniformMatrix3fv: v.Get("uniformMatrix3fv").Call("bind", v),
uniformMatrix4fv: v.Get("uniformMatrix4fv").Call("bind", v),
useProgram: v.Get("useProgram").Call("bind", v),
vertexAttribPointer: v.Get("vertexAttribPointer").Call("bind", v),
viewport: v.Get("viewport").Call("bind", v),
}
if isWebGL2Available {
g.getExtension = v.Get("getBufferSubData").Call("bind", v)
} else {
g.getExtension = v.Get("getExtension").Call("bind", v)
}
return g
}