mirror of
https://github.com/hajimehoshi/ebiten.git
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178 lines
8.2 KiB
Go
178 lines
8.2 KiB
Go
// Copyright 2021 The Ebiten Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package opengl
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import (
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"syscall/js"
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)
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type gl struct {
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activeTexture js.Value
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attachShader js.Value
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bindAttribLocation js.Value
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bindBuffer js.Value
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bindFramebuffer js.Value
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bindRenderbuffer js.Value
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bindTexture js.Value
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blendFunc js.Value
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bufferData js.Value
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bufferSubData js.Value
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checkFramebufferStatus js.Value
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clear js.Value
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colorMask js.Value
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compileShader js.Value
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createBuffer js.Value
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createFramebuffer js.Value
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createProgram js.Value
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createRenderbuffer js.Value
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createShader js.Value
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createTexture js.Value
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deleteBuffer js.Value
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deleteFramebuffer js.Value
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deleteProgram js.Value
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deleteRenderbuffer js.Value
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deleteShader js.Value
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deleteTexture js.Value
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disable js.Value
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disableVertexAttribArray js.Value
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drawElements js.Value
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enable js.Value
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enableVertexAttribArray js.Value
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framebufferRenderbuffer js.Value
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framebufferTexture2D js.Value
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flush js.Value
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getBufferSubData js.Value
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getExtension js.Value
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getParameter js.Value
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getProgramInfoLog js.Value
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getProgramParameter js.Value
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getShaderInfoLog js.Value
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getShaderParameter js.Value
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getShaderPrecisionFormat js.Value
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getUniformLocation js.Value
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isContextLost js.Value
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isFramebuffer js.Value
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isProgram js.Value
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isRenderbuffer js.Value
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isTexture js.Value
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linkProgram js.Value
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pixelStorei js.Value
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readPixels js.Value
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renderbufferStorage js.Value
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scissor js.Value
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shaderSource js.Value
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stencilFunc js.Value
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stencilMask js.Value
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stencilOp js.Value
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texImage2D js.Value
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texSubImage2D js.Value
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texParameteri js.Value
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uniform1f js.Value
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uniform1fv js.Value
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uniform2fv js.Value
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uniform3fv js.Value
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uniform4fv js.Value
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uniform1i js.Value
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uniformMatrix2fv js.Value
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uniformMatrix3fv js.Value
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uniformMatrix4fv js.Value
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useProgram js.Value
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vertexAttribPointer js.Value
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viewport js.Value
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}
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func (c *context) newGL(v js.Value) *gl {
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// Passing a Go string to the JS world is expensive. This causes conversion to UTF-16 (#1438).
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// In order to reduce the cost when calling functions, create the function objects by bind and use them.
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g := &gl{
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activeTexture: v.Get("activeTexture").Call("bind", v),
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attachShader: v.Get("attachShader").Call("bind", v),
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bindAttribLocation: v.Get("bindAttribLocation").Call("bind", v),
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bindBuffer: v.Get("bindBuffer").Call("bind", v),
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bindFramebuffer: v.Get("bindFramebuffer").Call("bind", v),
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bindRenderbuffer: v.Get("bindRenderbuffer").Call("bind", v),
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bindTexture: v.Get("bindTexture").Call("bind", v),
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blendFunc: v.Get("blendFunc").Call("bind", v),
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bufferData: v.Get("bufferData").Call("bind", v),
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bufferSubData: v.Get("bufferSubData").Call("bind", v),
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checkFramebufferStatus: v.Get("checkFramebufferStatus").Call("bind", v),
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clear: v.Get("clear").Call("bind", v),
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colorMask: v.Get("colorMask").Call("bind", v),
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compileShader: v.Get("compileShader").Call("bind", v),
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createBuffer: v.Get("createBuffer").Call("bind", v),
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createFramebuffer: v.Get("createFramebuffer").Call("bind", v),
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createProgram: v.Get("createProgram").Call("bind", v),
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createRenderbuffer: v.Get("createRenderbuffer").Call("bind", v),
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createShader: v.Get("createShader").Call("bind", v),
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createTexture: v.Get("createTexture").Call("bind", v),
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deleteBuffer: v.Get("deleteBuffer").Call("bind", v),
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deleteFramebuffer: v.Get("deleteFramebuffer").Call("bind", v),
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deleteProgram: v.Get("deleteProgram").Call("bind", v),
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deleteRenderbuffer: v.Get("deleteRenderbuffer").Call("bind", v),
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deleteShader: v.Get("deleteShader").Call("bind", v),
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deleteTexture: v.Get("deleteTexture").Call("bind", v),
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disable: v.Get("disable").Call("bind", v),
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disableVertexAttribArray: v.Get("disableVertexAttribArray").Call("bind", v),
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drawElements: v.Get("drawElements").Call("bind", v),
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enable: v.Get("enable").Call("bind", v),
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enableVertexAttribArray: v.Get("enableVertexAttribArray").Call("bind", v),
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framebufferRenderbuffer: v.Get("framebufferRenderbuffer").Call("bind", v),
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framebufferTexture2D: v.Get("framebufferTexture2D").Call("bind", v),
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flush: v.Get("flush").Call("bind", v),
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getParameter: v.Get("getParameter").Call("bind", v),
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getProgramInfoLog: v.Get("getProgramInfoLog").Call("bind", v),
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getProgramParameter: v.Get("getProgramParameter").Call("bind", v),
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getShaderInfoLog: v.Get("getShaderInfoLog").Call("bind", v),
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getShaderParameter: v.Get("getShaderParameter").Call("bind", v),
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getShaderPrecisionFormat: v.Get("getShaderPrecisionFormat").Call("bind", v),
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getUniformLocation: v.Get("getUniformLocation").Call("bind", v),
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isContextLost: v.Get("isContextLost").Call("bind", v),
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isFramebuffer: v.Get("isFramebuffer").Call("bind", v),
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isProgram: v.Get("isProgram").Call("bind", v),
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isRenderbuffer: v.Get("isRenderbuffer").Call("bind", v),
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isTexture: v.Get("isTexture").Call("bind", v),
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linkProgram: v.Get("linkProgram").Call("bind", v),
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pixelStorei: v.Get("pixelStorei").Call("bind", v),
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readPixels: v.Get("readPixels").Call("bind", v),
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renderbufferStorage: v.Get("renderbufferStorage").Call("bind", v),
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scissor: v.Get("scissor").Call("bind", v),
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shaderSource: v.Get("shaderSource").Call("bind", v),
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stencilFunc: v.Get("stencilFunc").Call("bind", v),
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stencilMask: v.Get("stencilMask").Call("bind", v),
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stencilOp: v.Get("stencilOp").Call("bind", v),
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texImage2D: v.Get("texImage2D").Call("bind", v),
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texSubImage2D: v.Get("texSubImage2D").Call("bind", v),
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texParameteri: v.Get("texParameteri").Call("bind", v),
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uniform1f: v.Get("uniform1f").Call("bind", v),
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uniform1fv: v.Get("uniform1fv").Call("bind", v),
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uniform2fv: v.Get("uniform2fv").Call("bind", v),
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uniform3fv: v.Get("uniform3fv").Call("bind", v),
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uniform4fv: v.Get("uniform4fv").Call("bind", v),
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uniform1i: v.Get("uniform1i").Call("bind", v),
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uniformMatrix2fv: v.Get("uniformMatrix2fv").Call("bind", v),
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uniformMatrix3fv: v.Get("uniformMatrix3fv").Call("bind", v),
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uniformMatrix4fv: v.Get("uniformMatrix4fv").Call("bind", v),
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useProgram: v.Get("useProgram").Call("bind", v),
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vertexAttribPointer: v.Get("vertexAttribPointer").Call("bind", v),
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viewport: v.Get("viewport").Call("bind", v),
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}
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if c.usesWebGL2() {
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g.getExtension = v.Get("getBufferSubData").Call("bind", v)
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} else {
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g.getExtension = v.Get("getExtension").Call("bind", v)
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}
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return g
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}
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