Documentation ¶
Overview ¶
Package webgl allows rendering using an API that conforms closely to the OpenGL ES 2.0 API.
Source: WebGL Specification (https://www.khronos.org/registry/webgl/specs/latest/1.0/)
Example (Triangle) ¶
A triangle
package main import ( "fmt" "github.com/gowebapi/webapi" "github.com/gowebapi/webapi/core/js" "github.com/gowebapi/webapi/core/jsconv" "github.com/gowebapi/webapi/graphics/webgl" "github.com/gowebapi/webapi/html/canvas" ) //see https://github.com/golang/go/wiki/WebAssembly //see https://github.com/bobcob7/wasm-basic-triangle // A triangle func main() { c := make(chan struct{}, 0) fmt.Println("Go/WASM loaded") addCanvas() <-c } func addCanvas() { doc := webapi.GetWindow().Document() app := doc.GetElementById("app") body := doc.GetElementById("body") width := body.ClientWidth() height := body.ClientHeight() canvasE := webapi.GetWindow().Document().CreateElement("canvas", &webapi.Union{js.ValueOf("dom.Node")}) //TODO this seems wrong since we have to use js. for node canvasE.SetId("canvas42") app.AppendChild(&canvasE.Node) canvasHTML := canvas.HTMLCanvasElementFromJS(canvasE) canvasHTML.SetWidth(uint(width)) canvasHTML.SetHeight(uint(height)) //canvasHTML.RequestFullscreen(&dom.FullscreenOptions{}) //TODO find a way to do fullscreen request contextU := canvasHTML.GetContext("webgl", nil) gl := webgl.RenderingContextFromJS(contextU) vBuffer, iBuffer, icount := createBuffers(gl) //// Shaders //// prog := setupShaders(gl) //// Associating shaders to buffer objects //// // Bind vertex buffer object gl.BindBuffer(webgl.ARRAY_BUFFER, vBuffer) // Bind index buffer object gl.BindBuffer(webgl.ELEMENT_ARRAY_BUFFER, iBuffer) // Get the attribute location coord := gl.GetAttribLocation(prog, "coordinates") // Point an attribute to the currently bound VBO gl.VertexAttribPointer(uint(coord), 3, webgl.FLOAT, false, 0, 0) // Enable the attribute gl.EnableVertexAttribArray(uint(coord)) //// Drawing the triangle //// // Clear the canvas gl.ClearColor(0.5, 0.5, 0.5, 0.9) gl.Clear(webgl.COLOR_BUFFER_BIT) // Enable the depth test gl.Enable(webgl.DEPTH_TEST) // Set the view port gl.Viewport(0, 0, width, height) // Draw the triangle gl.DrawElements(webgl.TRIANGLES, icount, webgl.UNSIGNED_SHORT, 0) fmt.Println("done") } func createBuffers(gl *webgl.RenderingContext) (*webgl.Buffer, *webgl.Buffer, int) { //// VERTEX BUFFER //// var verticesNative = []float32{ -0.5, 0.5, 0, -0.5, -0.5, 0, 0.5, -0.5, 0, } var vertices = jsconv.Float32ToJs(verticesNative) // Create buffer vBuffer := gl.CreateBuffer() // Bind to buffer gl.BindBuffer(webgl.ARRAY_BUFFER, vBuffer) // Pass data to buffer gl.BufferData2(webgl.ARRAY_BUFFER, webgl.UnionFromJS(vertices), webgl.STATIC_DRAW) // Unbind buffer gl.BindBuffer(webgl.ARRAY_BUFFER, &webgl.Buffer{}) // INDEX BUFFER //// var indicesNative = []uint32{ 2, 1, 0, } var indices = jsconv.UInt32ToJs(indicesNative) // Create buffer iBuffer := gl.CreateBuffer() // Bind to buffer gl.BindBuffer(webgl.ELEMENT_ARRAY_BUFFER, iBuffer) // Pass data to buffer gl.BufferData2(webgl.ELEMENT_ARRAY_BUFFER, webgl.UnionFromJS(indices), webgl.STATIC_DRAW) // Unbind buffer gl.BindBuffer(webgl.ELEMENT_ARRAY_BUFFER, &webgl.Buffer{}) return vBuffer, iBuffer, len(indicesNative) } func setupShaders(gl *webgl.RenderingContext) *webgl.Program { // Vertex shader source code vertCode := ` attribute vec3 coordinates; void main(void) { gl_Position = vec4(coordinates, 1.0); }` // Create a vertex shader object vShader := gl.CreateShader(webgl.VERTEX_SHADER) // Attach vertex shader source code gl.ShaderSource(vShader, vertCode) // Compile the vertex shader gl.CompileShader(vShader) //fragment shader source code fragCode := ` void main(void) { gl_FragColor = vec4(0.0, 0.0, 1.0, 1.0); }` // Create fragment shader object fShader := gl.CreateShader(webgl.FRAGMENT_SHADER) // Attach fragment shader source code gl.ShaderSource(fShader, fragCode) // Compile the fragmentt shader gl.CompileShader(fShader) // Create a shader program object to store // the combined shader program prog := gl.CreateProgram() // Attach a vertex shader gl.AttachShader(prog, vShader) // Attach a fragment shader gl.AttachShader(prog, fShader) // Link both the programs gl.LinkProgram(prog) // Use the combined shader program object gl.UseProgram(prog) return prog }
Output:
Index ¶
- Constants
- type ActiveInfo
- type Buffer
- type ContextAttributes
- type ContextEvent
- type ContextEventInit
- type Framebuffer
- type Object
- type PowerPreference
- type Program
- type Renderbuffer
- type RenderingContext
- func (_this *RenderingContext) ActiveTexture(texture uint)
- func (_this *RenderingContext) AttachShader(program *Program, shader *Shader)
- func (_this *RenderingContext) BindAttribLocation(program *Program, index uint, name string)
- func (_this *RenderingContext) BindBuffer(target uint, buffer *Buffer)
- func (_this *RenderingContext) BindFramebuffer(target uint, framebuffer *Framebuffer)
- func (_this *RenderingContext) BindRenderbuffer(target uint, renderbuffer *Renderbuffer)
- func (_this *RenderingContext) BindTexture(target uint, texture *Texture)
- func (_this *RenderingContext) BlendColor(red float32, green float32, blue float32, alpha float32)
- func (_this *RenderingContext) BlendEquation(mode uint)
- func (_this *RenderingContext) BlendEquationSeparate(modeRGB uint, modeAlpha uint)
- func (_this *RenderingContext) BlendFunc(sfactor uint, dfactor uint)
- func (_this *RenderingContext) BlendFuncSeparate(srcRGB uint, dstRGB uint, srcAlpha uint, dstAlpha uint)
- func (_this *RenderingContext) BufferData(target uint, size int, usage uint)
- func (_this *RenderingContext) BufferData2(target uint, data *Union, usage uint)
- func (_this *RenderingContext) BufferSubData(target uint, offset int, data *Union)
- func (_this *RenderingContext) Canvas() *Union
- func (_this *RenderingContext) CheckFramebufferStatus(target uint) (_result uint)
- func (_this *RenderingContext) Clear(mask uint)
- func (_this *RenderingContext) ClearColor(red float32, green float32, blue float32, alpha float32)
- func (_this *RenderingContext) ClearDepth(depth float32)
- func (_this *RenderingContext) ClearStencil(s int)
- func (_this *RenderingContext) ColorMask(red bool, green bool, blue bool, alpha bool)
- func (_this *RenderingContext) CompileShader(shader *Shader)
- func (_this *RenderingContext) CompressedTexImage2D(target uint, level int, internalformat uint, width int, height int, border int, ...)
- func (_this *RenderingContext) CompressedTexSubImage2D(target uint, level int, xoffset int, yoffset int, width int, height int, ...)
- func (_this *RenderingContext) CopyTexImage2D(target uint, level int, internalformat uint, x int, y int, width int, ...)
- func (_this *RenderingContext) CopyTexSubImage2D(target uint, level int, xoffset int, yoffset int, x int, y int, width int, ...)
- func (_this *RenderingContext) CreateBuffer() (_result *Buffer)
- func (_this *RenderingContext) CreateFramebuffer() (_result *Framebuffer)
- func (_this *RenderingContext) CreateProgram() (_result *Program)
- func (_this *RenderingContext) CreateRenderbuffer() (_result *Renderbuffer)
- func (_this *RenderingContext) CreateShader(_type uint) (_result *Shader)
- func (_this *RenderingContext) CreateTexture() (_result *Texture)
- func (_this *RenderingContext) CullFace(mode uint)
- func (_this *RenderingContext) DeleteBuffer(buffer *Buffer)
- func (_this *RenderingContext) DeleteFramebuffer(framebuffer *Framebuffer)
- func (_this *RenderingContext) DeleteProgram(program *Program)
- func (_this *RenderingContext) DeleteRenderbuffer(renderbuffer *Renderbuffer)
- func (_this *RenderingContext) DeleteShader(shader *Shader)
- func (_this *RenderingContext) DeleteTexture(texture *Texture)
- func (_this *RenderingContext) DepthFunc(_func uint)
- func (_this *RenderingContext) DepthMask(flag bool)
- func (_this *RenderingContext) DepthRange(zNear float32, zFar float32)
- func (_this *RenderingContext) DetachShader(program *Program, shader *Shader)
- func (_this *RenderingContext) Disable(cap uint)
- func (_this *RenderingContext) DisableVertexAttribArray(index uint)
- func (_this *RenderingContext) DrawArrays(mode uint, first int, count int)
- func (_this *RenderingContext) DrawElements(mode uint, count int, _type uint, offset int)
- func (_this *RenderingContext) DrawingBufferHeight() int
- func (_this *RenderingContext) DrawingBufferWidth() int
- func (_this *RenderingContext) Enable(cap uint)
- func (_this *RenderingContext) EnableVertexAttribArray(index uint)
- func (_this *RenderingContext) Finish()
- func (_this *RenderingContext) Flush()
- func (_this *RenderingContext) FramebufferRenderbuffer(target uint, attachment uint, renderbuffertarget uint, ...)
- func (_this *RenderingContext) FramebufferTexture2D(target uint, attachment uint, textarget uint, texture *Texture, level int)
- func (_this *RenderingContext) FrontFace(mode uint)
- func (_this *RenderingContext) GenerateMipmap(target uint)
- func (_this *RenderingContext) GetActiveAttrib(program *Program, index uint) (_result *ActiveInfo)
- func (_this *RenderingContext) GetActiveUniform(program *Program, index uint) (_result *ActiveInfo)
- func (_this *RenderingContext) GetAttachedShaders(program *Program) (_result []*Shader)
- func (_this *RenderingContext) GetAttribLocation(program *Program, name string) (_result int)
- func (_this *RenderingContext) GetBufferParameter(target uint, pname uint) (_result js.Value)
- func (_this *RenderingContext) GetContextAttributes() (_result *ContextAttributes)
- func (_this *RenderingContext) GetError() (_result uint)
- func (_this *RenderingContext) GetExtension(name string) (_result *javascript.Object)
- func (_this *RenderingContext) GetFramebufferAttachmentParameter(target uint, attachment uint, pname uint) (_result js.Value)
- func (_this *RenderingContext) GetParameter(pname uint) (_result js.Value)
- func (_this *RenderingContext) GetProgramInfoLog(program *Program) (_result *string)
- func (_this *RenderingContext) GetProgramParameter(program *Program, pname uint) (_result js.Value)
- func (_this *RenderingContext) GetRenderbufferParameter(target uint, pname uint) (_result js.Value)
- func (_this *RenderingContext) GetShaderInfoLog(shader *Shader) (_result *string)
- func (_this *RenderingContext) GetShaderParameter(shader *Shader, pname uint) (_result js.Value)
- func (_this *RenderingContext) GetShaderPrecisionFormat(shadertype uint, precisiontype uint) (_result *ShaderPrecisionFormat)
- func (_this *RenderingContext) GetShaderSource(shader *Shader) (_result *string)
- func (_this *RenderingContext) GetSupportedExtensions() (_result []string)
- func (_this *RenderingContext) GetTexParameter(target uint, pname uint) (_result js.Value)
- func (_this *RenderingContext) GetUniform(program *Program, location *UniformLocation) (_result js.Value)
- func (_this *RenderingContext) GetUniformLocation(program *Program, name string) (_result *UniformLocation)
- func (_this *RenderingContext) GetVertexAttrib(index uint, pname uint) (_result js.Value)
- func (_this *RenderingContext) GetVertexAttribOffset(index uint, pname uint) (_result int)
- func (_this *RenderingContext) Hint(target uint, mode uint)
- func (_this *RenderingContext) IsBuffer(buffer *Buffer) (_result bool)
- func (_this *RenderingContext) IsContextLost() (_result bool)
- func (_this *RenderingContext) IsEnabled(cap uint) (_result bool)
- func (_this *RenderingContext) IsFramebuffer(framebuffer *Framebuffer) (_result bool)
- func (_this *RenderingContext) IsProgram(program *Program) (_result bool)
- func (_this *RenderingContext) IsRenderbuffer(renderbuffer *Renderbuffer) (_result bool)
- func (_this *RenderingContext) IsShader(shader *Shader) (_result bool)
- func (_this *RenderingContext) IsTexture(texture *Texture) (_result bool)
- func (_this *RenderingContext) JSValue() js.Value
- func (_this *RenderingContext) LineWidth(width float32)
- func (_this *RenderingContext) LinkProgram(program *Program)
- func (_this *RenderingContext) MakeXRCompatible() (_result *javascript.PromiseVoid)
- func (_this *RenderingContext) PixelStorei(pname uint, param int)
- func (_this *RenderingContext) PolygonOffset(factor float32, units float32)
- func (_this *RenderingContext) ReadPixels(x int, y int, width int, height int, format uint, _type uint, pixels *Union)
- func (_this *RenderingContext) RenderbufferStorage(target uint, internalformat uint, width int, height int)
- func (_this *RenderingContext) SampleCoverage(value float32, invert bool)
- func (_this *RenderingContext) Scissor(x int, y int, width int, height int)
- func (_this *RenderingContext) ShaderSource(shader *Shader, source string)
- func (_this *RenderingContext) StencilFunc(_func uint, ref int, mask uint)
- func (_this *RenderingContext) StencilFuncSeparate(face uint, _func uint, ref int, mask uint)
- func (_this *RenderingContext) StencilMask(mask uint)
- func (_this *RenderingContext) StencilMaskSeparate(face uint, mask uint)
- func (_this *RenderingContext) StencilOp(fail uint, zfail uint, zpass uint)
- func (_this *RenderingContext) StencilOpSeparate(face uint, fail uint, zfail uint, zpass uint)
- func (_this *RenderingContext) TexImage2D(target uint, level int, internalformat int, width int, height int, border int, ...)
- func (_this *RenderingContext) TexImage2D2(target uint, level int, internalformat int, format uint, _type uint, ...)
- func (_this *RenderingContext) TexParameterf(target uint, pname uint, param float32)
- func (_this *RenderingContext) TexParameteri(target uint, pname uint, param int)
- func (_this *RenderingContext) TexSubImage2D(target uint, level int, xoffset int, yoffset int, width int, height int, ...)
- func (_this *RenderingContext) TexSubImage2D2(target uint, level int, xoffset int, yoffset int, format uint, _type uint, ...)
- func (_this *RenderingContext) Uniform1f(location *UniformLocation, x float32)
- func (_this *RenderingContext) Uniform1fv(location *UniformLocation, v *Union)
- func (_this *RenderingContext) Uniform1i(location *UniformLocation, x int)
- func (_this *RenderingContext) Uniform1iv(location *UniformLocation, v *Union)
- func (_this *RenderingContext) Uniform2f(location *UniformLocation, x float32, y float32)
- func (_this *RenderingContext) Uniform2fv(location *UniformLocation, v *Union)
- func (_this *RenderingContext) Uniform2i(location *UniformLocation, x int, y int)
- func (_this *RenderingContext) Uniform2iv(location *UniformLocation, v *Union)
- func (_this *RenderingContext) Uniform3f(location *UniformLocation, x float32, y float32, z float32)
- func (_this *RenderingContext) Uniform3fv(location *UniformLocation, v *Union)
- func (_this *RenderingContext) Uniform3i(location *UniformLocation, x int, y int, z int)
- func (_this *RenderingContext) Uniform3iv(location *UniformLocation, v *Union)
- func (_this *RenderingContext) Uniform4f(location *UniformLocation, x float32, y float32, z float32, w float32)
- func (_this *RenderingContext) Uniform4fv(location *UniformLocation, v *Union)
- func (_this *RenderingContext) Uniform4i(location *UniformLocation, x int, y int, z int, w int)
- func (_this *RenderingContext) Uniform4iv(location *UniformLocation, v *Union)
- func (_this *RenderingContext) UniformMatrix2fv(location *UniformLocation, transpose bool, value *Union)
- func (_this *RenderingContext) UniformMatrix3fv(location *UniformLocation, transpose bool, value *Union)
- func (_this *RenderingContext) UniformMatrix4fv(location *UniformLocation, transpose bool, value *Union)
- func (_this *RenderingContext) UseProgram(program *Program)
- func (_this *RenderingContext) ValidateProgram(program *Program)
- func (_this *RenderingContext) VertexAttrib1f(index uint, x float32)
- func (_this *RenderingContext) VertexAttrib1fv(index uint, values *Union)
- func (_this *RenderingContext) VertexAttrib2f(index uint, x float32, y float32)
- func (_this *RenderingContext) VertexAttrib2fv(index uint, values *Union)
- func (_this *RenderingContext) VertexAttrib3f(index uint, x float32, y float32, z float32)
- func (_this *RenderingContext) VertexAttrib3fv(index uint, values *Union)
- func (_this *RenderingContext) VertexAttrib4f(index uint, x float32, y float32, z float32, w float32)
- func (_this *RenderingContext) VertexAttrib4fv(index uint, values *Union)
- func (_this *RenderingContext) VertexAttribPointer(index uint, size int, _type uint, normalized bool, stride int, offset int)
- func (_this *RenderingContext) Viewport(x int, y int, width int, height int)
- type Shader
- type ShaderPrecisionFormat
- type Texture
- type UniformLocation
- type Union
Examples ¶
Constants ¶
const ( DEPTH_BUFFER_BIT uint = 0x00000100 STENCIL_BUFFER_BIT uint = 0x00000400 COLOR_BUFFER_BIT uint = 0x00004000 POINTS uint = 0x0000 LINES uint = 0x0001 LINE_LOOP uint = 0x0002 LINE_STRIP uint = 0x0003 TRIANGLES uint = 0x0004 TRIANGLE_STRIP uint = 0x0005 TRIANGLE_FAN uint = 0x0006 ZERO uint = 0 ONE uint = 1 SRC_COLOR uint = 0x0300 ONE_MINUS_SRC_COLOR uint = 0x0301 SRC_ALPHA uint = 0x0302 ONE_MINUS_SRC_ALPHA uint = 0x0303 DST_ALPHA uint = 0x0304 ONE_MINUS_DST_ALPHA uint = 0x0305 DST_COLOR uint = 0x0306 ONE_MINUS_DST_COLOR uint = 0x0307 SRC_ALPHA_SATURATE uint = 0x0308 FUNC_ADD uint = 0x8006 BLEND_EQUATION uint = 0x8009 BLEND_EQUATION_RGB uint = 0x8009 BLEND_EQUATION_ALPHA uint = 0x883D FUNC_SUBTRACT uint = 0x800A FUNC_REVERSE_SUBTRACT uint = 0x800B BLEND_DST_RGB uint = 0x80C8 BLEND_SRC_RGB uint = 0x80C9 BLEND_DST_ALPHA uint = 0x80CA BLEND_SRC_ALPHA uint = 0x80CB CONSTANT_COLOR uint = 0x8001 ONE_MINUS_CONSTANT_COLOR uint = 0x8002 CONSTANT_ALPHA uint = 0x8003 ONE_MINUS_CONSTANT_ALPHA uint = 0x8004 BLEND_COLOR uint = 0x8005 ARRAY_BUFFER uint = 0x8892 ELEMENT_ARRAY_BUFFER uint = 0x8893 ARRAY_BUFFER_BINDING uint = 0x8894 ELEMENT_ARRAY_BUFFER_BINDING uint = 0x8895 STREAM_DRAW uint = 0x88E0 STATIC_DRAW uint = 0x88E4 DYNAMIC_DRAW uint = 0x88E8 BUFFER_SIZE uint = 0x8764 BUFFER_USAGE uint = 0x8765 CURRENT_VERTEX_ATTRIB uint = 0x8626 FRONT uint = 0x0404 BACK uint = 0x0405 FRONT_AND_BACK uint = 0x0408 CULL_FACE uint = 0x0B44 BLEND uint = 0x0BE2 DITHER uint = 0x0BD0 STENCIL_TEST uint = 0x0B90 DEPTH_TEST uint = 0x0B71 SCISSOR_TEST uint = 0x0C11 POLYGON_OFFSET_FILL uint = 0x8037 SAMPLE_ALPHA_TO_COVERAGE uint = 0x809E SAMPLE_COVERAGE uint = 0x80A0 NO_ERROR uint = 0 INVALID_ENUM uint = 0x0500 INVALID_VALUE uint = 0x0501 INVALID_OPERATION uint = 0x0502 OUT_OF_MEMORY uint = 0x0505 CW uint = 0x0900 CCW uint = 0x0901 LINE_WIDTH uint = 0x0B21 ALIASED_POINT_SIZE_RANGE uint = 0x846D ALIASED_LINE_WIDTH_RANGE uint = 0x846E CULL_FACE_MODE uint = 0x0B45 FRONT_FACE uint = 0x0B46 DEPTH_RANGE uint = 0x0B70 DEPTH_WRITEMASK uint = 0x0B72 DEPTH_CLEAR_VALUE uint = 0x0B73 DEPTH_FUNC uint = 0x0B74 STENCIL_CLEAR_VALUE uint = 0x0B91 STENCIL_FUNC uint = 0x0B92 STENCIL_FAIL uint = 0x0B94 STENCIL_PASS_DEPTH_FAIL uint = 0x0B95 STENCIL_PASS_DEPTH_PASS uint = 0x0B96 STENCIL_REF uint = 0x0B97 STENCIL_VALUE_MASK uint = 0x0B93 STENCIL_WRITEMASK uint = 0x0B98 STENCIL_BACK_FUNC uint = 0x8800 STENCIL_BACK_FAIL uint = 0x8801 STENCIL_BACK_PASS_DEPTH_FAIL uint = 0x8802 STENCIL_BACK_PASS_DEPTH_PASS uint = 0x8803 STENCIL_BACK_REF uint = 0x8CA3 STENCIL_BACK_VALUE_MASK uint = 0x8CA4 STENCIL_BACK_WRITEMASK uint = 0x8CA5 VIEWPORT uint = 0x0BA2 SCISSOR_BOX uint = 0x0C10 COLOR_CLEAR_VALUE uint = 0x0C22 COLOR_WRITEMASK uint = 0x0C23 UNPACK_ALIGNMENT uint = 0x0CF5 PACK_ALIGNMENT uint = 0x0D05 MAX_TEXTURE_SIZE uint = 0x0D33 MAX_VIEWPORT_DIMS uint = 0x0D3A SUBPIXEL_BITS uint = 0x0D50 RED_BITS uint = 0x0D52 GREEN_BITS uint = 0x0D53 BLUE_BITS uint = 0x0D54 ALPHA_BITS uint = 0x0D55 DEPTH_BITS uint = 0x0D56 STENCIL_BITS uint = 0x0D57 POLYGON_OFFSET_UNITS uint = 0x2A00 POLYGON_OFFSET_FACTOR uint = 0x8038 TEXTURE_BINDING_2D uint = 0x8069 SAMPLE_BUFFERS uint = 0x80A8 SAMPLES uint = 0x80A9 SAMPLE_COVERAGE_VALUE uint = 0x80AA SAMPLE_COVERAGE_INVERT uint = 0x80AB COMPRESSED_TEXTURE_FORMATS uint = 0x86A3 DONT_CARE uint = 0x1100 FASTEST uint = 0x1101 NICEST uint = 0x1102 GENERATE_MIPMAP_HINT uint = 0x8192 BYTE uint = 0x1400 UNSIGNED_BYTE uint = 0x1401 SHORT uint = 0x1402 UNSIGNED_SHORT uint = 0x1403 INT uint = 0x1404 UNSIGNED_INT uint = 0x1405 FLOAT uint = 0x1406 DEPTH_COMPONENT uint = 0x1902 ALPHA uint = 0x1906 RGB uint = 0x1907 RGBA uint = 0x1908 LUMINANCE uint = 0x1909 LUMINANCE_ALPHA uint = 0x190A UNSIGNED_SHORT_4_4_4_4 uint = 0x8033 UNSIGNED_SHORT_5_5_5_1 uint = 0x8034 UNSIGNED_SHORT_5_6_5 uint = 0x8363 FRAGMENT_SHADER uint = 0x8B30 VERTEX_SHADER uint = 0x8B31 MAX_VERTEX_ATTRIBS uint = 0x8869 MAX_VERTEX_UNIFORM_VECTORS uint = 0x8DFB MAX_VARYING_VECTORS uint = 0x8DFC MAX_COMBINED_TEXTURE_IMAGE_UNITS uint = 0x8B4D MAX_VERTEX_TEXTURE_IMAGE_UNITS uint = 0x8B4C MAX_TEXTURE_IMAGE_UNITS uint = 0x8872 MAX_FRAGMENT_UNIFORM_VECTORS uint = 0x8DFD SHADER_TYPE uint = 0x8B4F DELETE_STATUS uint = 0x8B80 LINK_STATUS uint = 0x8B82 VALIDATE_STATUS uint = 0x8B83 ATTACHED_SHADERS uint = 0x8B85 ACTIVE_UNIFORMS uint = 0x8B86 ACTIVE_ATTRIBUTES uint = 0x8B89 SHADING_LANGUAGE_VERSION uint = 0x8B8C CURRENT_PROGRAM uint = 0x8B8D NEVER uint = 0x0200 LESS uint = 0x0201 EQUAL uint = 0x0202 LEQUAL uint = 0x0203 GREATER uint = 0x0204 NOTEQUAL uint = 0x0205 GEQUAL uint = 0x0206 ALWAYS uint = 0x0207 KEEP uint = 0x1E00 REPLACE uint = 0x1E01 INCR uint = 0x1E02 DECR uint = 0x1E03 INVERT uint = 0x150A INCR_WRAP uint = 0x8507 DECR_WRAP uint = 0x8508 VENDOR uint = 0x1F00 RENDERER uint = 0x1F01 VERSION uint = 0x1F02 NEAREST uint = 0x2600 LINEAR uint = 0x2601 NEAREST_MIPMAP_NEAREST uint = 0x2700 LINEAR_MIPMAP_NEAREST uint = 0x2701 NEAREST_MIPMAP_LINEAR uint = 0x2702 LINEAR_MIPMAP_LINEAR uint = 0x2703 TEXTURE_MAG_FILTER uint = 0x2800 TEXTURE_MIN_FILTER uint = 0x2801 TEXTURE_WRAP_S uint = 0x2802 TEXTURE_WRAP_T uint = 0x2803 TEXTURE_2D uint = 0x0DE1 TEXTURE uint = 0x1702 TEXTURE_CUBE_MAP uint = 0x8513 TEXTURE_BINDING_CUBE_MAP uint = 0x8514 TEXTURE_CUBE_MAP_POSITIVE_X uint = 0x8515 TEXTURE_CUBE_MAP_NEGATIVE_X uint = 0x8516 TEXTURE_CUBE_MAP_POSITIVE_Y uint = 0x8517 TEXTURE_CUBE_MAP_NEGATIVE_Y uint = 0x8518 TEXTURE_CUBE_MAP_POSITIVE_Z uint = 0x8519 TEXTURE_CUBE_MAP_NEGATIVE_Z uint = 0x851A MAX_CUBE_MAP_TEXTURE_SIZE uint = 0x851C TEXTURE0 uint = 0x84C0 TEXTURE1 uint = 0x84C1 TEXTURE2 uint = 0x84C2 TEXTURE3 uint = 0x84C3 TEXTURE4 uint = 0x84C4 TEXTURE5 uint = 0x84C5 TEXTURE6 uint = 0x84C6 TEXTURE7 uint = 0x84C7 TEXTURE8 uint = 0x84C8 TEXTURE9 uint = 0x84C9 TEXTURE10 uint = 0x84CA TEXTURE11 uint = 0x84CB TEXTURE12 uint = 0x84CC TEXTURE13 uint = 0x84CD TEXTURE14 uint = 0x84CE TEXTURE15 uint = 0x84CF TEXTURE16 uint = 0x84D0 TEXTURE17 uint = 0x84D1 TEXTURE18 uint = 0x84D2 TEXTURE19 uint = 0x84D3 TEXTURE20 uint = 0x84D4 TEXTURE21 uint = 0x84D5 TEXTURE22 uint = 0x84D6 TEXTURE23 uint = 0x84D7 TEXTURE24 uint = 0x84D8 TEXTURE25 uint = 0x84D9 TEXTURE26 uint = 0x84DA TEXTURE27 uint = 0x84DB TEXTURE28 uint = 0x84DC TEXTURE29 uint = 0x84DD TEXTURE30 uint = 0x84DE TEXTURE31 uint = 0x84DF ACTIVE_TEXTURE uint = 0x84E0 REPEAT uint = 0x2901 CLAMP_TO_EDGE uint = 0x812F MIRRORED_REPEAT uint = 0x8370 FLOAT_VEC2 uint = 0x8B50 FLOAT_VEC3 uint = 0x8B51 FLOAT_VEC4 uint = 0x8B52 INT_VEC2 uint = 0x8B53 INT_VEC3 uint = 0x8B54 INT_VEC4 uint = 0x8B55 BOOL uint = 0x8B56 BOOL_VEC2 uint = 0x8B57 BOOL_VEC3 uint = 0x8B58 BOOL_VEC4 uint = 0x8B59 FLOAT_MAT2 uint = 0x8B5A FLOAT_MAT3 uint = 0x8B5B FLOAT_MAT4 uint = 0x8B5C SAMPLER_2D uint = 0x8B5E SAMPLER_CUBE uint = 0x8B60 VERTEX_ATTRIB_ARRAY_ENABLED uint = 0x8622 VERTEX_ATTRIB_ARRAY_SIZE uint = 0x8623 VERTEX_ATTRIB_ARRAY_STRIDE uint = 0x8624 VERTEX_ATTRIB_ARRAY_TYPE uint = 0x8625 VERTEX_ATTRIB_ARRAY_NORMALIZED uint = 0x886A VERTEX_ATTRIB_ARRAY_POINTER uint = 0x8645 VERTEX_ATTRIB_ARRAY_BUFFER_BINDING uint = 0x889F IMPLEMENTATION_COLOR_READ_TYPE uint = 0x8B9A IMPLEMENTATION_COLOR_READ_FORMAT uint = 0x8B9B COMPILE_STATUS uint = 0x8B81 LOW_FLOAT uint = 0x8DF0 MEDIUM_FLOAT uint = 0x8DF1 HIGH_FLOAT uint = 0x8DF2 LOW_INT uint = 0x8DF3 MEDIUM_INT uint = 0x8DF4 HIGH_INT uint = 0x8DF5 FRAMEBUFFER uint = 0x8D40 RENDERBUFFER uint = 0x8D41 RGBA4 uint = 0x8056 RGB5_A1 uint = 0x8057 RGB565 uint = 0x8D62 DEPTH_COMPONENT16 uint = 0x81A5 STENCIL_INDEX8 uint = 0x8D48 DEPTH_STENCIL uint = 0x84F9 RENDERBUFFER_WIDTH uint = 0x8D42 RENDERBUFFER_HEIGHT uint = 0x8D43 RENDERBUFFER_INTERNAL_FORMAT uint = 0x8D44 RENDERBUFFER_RED_SIZE uint = 0x8D50 RENDERBUFFER_GREEN_SIZE uint = 0x8D51 RENDERBUFFER_BLUE_SIZE uint = 0x8D52 RENDERBUFFER_ALPHA_SIZE uint = 0x8D53 RENDERBUFFER_DEPTH_SIZE uint = 0x8D54 RENDERBUFFER_STENCIL_SIZE uint = 0x8D55 FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE uint = 0x8CD0 FRAMEBUFFER_ATTACHMENT_OBJECT_NAME uint = 0x8CD1 FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL uint = 0x8CD2 FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE uint = 0x8CD3 COLOR_ATTACHMENT0 uint = 0x8CE0 DEPTH_ATTACHMENT uint = 0x8D00 STENCIL_ATTACHMENT uint = 0x8D20 DEPTH_STENCIL_ATTACHMENT uint = 0x821A NONE uint = 0 FRAMEBUFFER_COMPLETE uint = 0x8CD5 FRAMEBUFFER_INCOMPLETE_ATTACHMENT uint = 0x8CD6 FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT uint = 0x8CD7 FRAMEBUFFER_INCOMPLETE_DIMENSIONS uint = 0x8CD9 FRAMEBUFFER_UNSUPPORTED uint = 0x8CDD FRAMEBUFFER_BINDING uint = 0x8CA6 RENDERBUFFER_BINDING uint = 0x8CA7 MAX_RENDERBUFFER_SIZE uint = 0x84E8 INVALID_FRAMEBUFFER_OPERATION uint = 0x0506 UNPACK_FLIP_Y_WEBGL uint = 0x9240 UNPACK_PREMULTIPLY_ALPHA_WEBGL uint = 0x9241 CONTEXT_LOST_WEBGL uint = 0x9242 UNPACK_COLORSPACE_CONVERSION_WEBGL uint = 0x9243 BROWSER_DEFAULT_WEBGL uint = 0x9244 )
Variables ¶
This section is empty.
Functions ¶
This section is empty.
Types ¶
type ActiveInfo ¶
class: WebGLActiveInfo
func ActiveInfoFromJS ¶
func ActiveInfoFromJS(value js.Wrapper) *ActiveInfo
ActiveInfoFromJS is casting a js.Wrapper into ActiveInfo.
func (*ActiveInfo) JSValue ¶
func (_this *ActiveInfo) JSValue() js.Value
func (*ActiveInfo) Name ¶
func (_this *ActiveInfo) Name() string
Name returning attribute 'name' with type string (idl: DOMString).
func (*ActiveInfo) Size ¶
func (_this *ActiveInfo) Size() int
Size returning attribute 'size' with type int (idl: long).
func (*ActiveInfo) Type ¶
func (_this *ActiveInfo) Type() uint
Type returning attribute 'type' with type uint (idl: unsigned long).
type Buffer ¶
type Buffer struct {
Object
}
class: WebGLBuffer
func BufferFromJS ¶
BufferFromJS is casting a js.Wrapper into Buffer.
type ContextAttributes ¶
type ContextAttributes struct { Alpha bool Depth bool Stencil bool Antialias bool PremultipliedAlpha bool PreserveDrawingBuffer bool PowerPreference PowerPreference FailIfMajorPerformanceCaveat bool XrCompatible bool }
dictionary: WebGLContextAttributes
func ContextAttributesFromJS ¶
func ContextAttributesFromJS(value js.Wrapper) *ContextAttributes
ContextAttributesFromJS is allocating a new ContextAttributes object and copy all values from input javascript object
func (*ContextAttributes) JSValue ¶
func (_this *ContextAttributes) JSValue() js.Value
JSValue is allocating a new javasript object and copy all values
type ContextEvent ¶
class: WebGLContextEvent
func ContextEventFromJS ¶
func ContextEventFromJS(value js.Wrapper) *ContextEvent
ContextEventFromJS is casting a js.Wrapper into ContextEvent.
func NewWebGLContextEvent ¶
func NewWebGLContextEvent(_type string, eventInit *ContextEventInit) (_result *ContextEvent)
func (*ContextEvent) StatusMessage ¶
func (_this *ContextEvent) StatusMessage() string
StatusMessage returning attribute 'statusMessage' with type string (idl: DOMString).
type ContextEventInit ¶
dictionary: WebGLContextEventInit
func ContextEventInitFromJS ¶
func ContextEventInitFromJS(value js.Wrapper) *ContextEventInit
ContextEventInitFromJS is allocating a new ContextEventInit object and copy all values from input javascript object
func (*ContextEventInit) JSValue ¶
func (_this *ContextEventInit) JSValue() js.Value
JSValue is allocating a new javasript object and copy all values
type Framebuffer ¶
type Framebuffer struct {
Object
}
class: WebGLFramebuffer
func FramebufferFromJS ¶
func FramebufferFromJS(value js.Wrapper) *Framebuffer
FramebufferFromJS is casting a js.Wrapper into Framebuffer.
type Object ¶
class: WebGLObject
func ObjectFromJS ¶
ObjectFromJS is casting a js.Wrapper into Object.
type PowerPreference ¶
type PowerPreference int
enum: WebGLPowerPreference
const ( DefaultWebGLPowerPreference PowerPreference = iota LowPowerWebGLPowerPreference HighPerformanceWebGLPowerPreference )
func PowerPreferenceFromJS ¶
func PowerPreferenceFromJS(value js.Value) PowerPreference
PowerPreferenceFromJS is converting a javascript value into a PowerPreference enum value.
func (*PowerPreference) JSValue ¶
func (this *PowerPreference) JSValue() js.Value
JSValue is converting this enum into a javascript object
func (PowerPreference) Value ¶
func (this PowerPreference) Value() string
Value is converting this into javascript defined string value
type Program ¶
type Program struct {
Object
}
class: WebGLProgram
func ProgramFromJS ¶
ProgramFromJS is casting a js.Wrapper into Program.
type Renderbuffer ¶
type Renderbuffer struct {
Object
}
class: WebGLRenderbuffer
func RenderbufferFromJS ¶
func RenderbufferFromJS(value js.Wrapper) *Renderbuffer
RenderbufferFromJS is casting a js.Wrapper into Renderbuffer.
type RenderingContext ¶
type RenderingContext struct { // Value_JS holds a reference to a javascript value Value_JS js.Value }
class: WebGLRenderingContext
func RenderingContextFromJS ¶
func RenderingContextFromJS(value js.Wrapper) *RenderingContext
RenderingContextFromJS is casting a js.Wrapper into RenderingContext.
func (*RenderingContext) ActiveTexture ¶
func (_this *RenderingContext) ActiveTexture(texture uint)
func (*RenderingContext) AttachShader ¶
func (_this *RenderingContext) AttachShader(program *Program, shader *Shader)
func (*RenderingContext) BindAttribLocation ¶
func (_this *RenderingContext) BindAttribLocation(program *Program, index uint, name string)
func (*RenderingContext) BindBuffer ¶
func (_this *RenderingContext) BindBuffer(target uint, buffer *Buffer)
func (*RenderingContext) BindFramebuffer ¶
func (_this *RenderingContext) BindFramebuffer(target uint, framebuffer *Framebuffer)
func (*RenderingContext) BindRenderbuffer ¶
func (_this *RenderingContext) BindRenderbuffer(target uint, renderbuffer *Renderbuffer)
func (*RenderingContext) BindTexture ¶
func (_this *RenderingContext) BindTexture(target uint, texture *Texture)
func (*RenderingContext) BlendColor ¶
func (_this *RenderingContext) BlendColor(red float32, green float32, blue float32, alpha float32)
func (*RenderingContext) BlendEquation ¶
func (_this *RenderingContext) BlendEquation(mode uint)
func (*RenderingContext) BlendEquationSeparate ¶
func (_this *RenderingContext) BlendEquationSeparate(modeRGB uint, modeAlpha uint)
func (*RenderingContext) BlendFunc ¶
func (_this *RenderingContext) BlendFunc(sfactor uint, dfactor uint)
func (*RenderingContext) BlendFuncSeparate ¶
func (_this *RenderingContext) BlendFuncSeparate(srcRGB uint, dstRGB uint, srcAlpha uint, dstAlpha uint)
func (*RenderingContext) BufferData ¶
func (_this *RenderingContext) BufferData(target uint, size int, usage uint)
func (*RenderingContext) BufferData2 ¶
func (_this *RenderingContext) BufferData2(target uint, data *Union, usage uint)
func (*RenderingContext) BufferSubData ¶
func (_this *RenderingContext) BufferSubData(target uint, offset int, data *Union)
func (*RenderingContext) Canvas ¶
func (_this *RenderingContext) Canvas() *Union
Canvas returning attribute 'canvas' with type Union (idl: Union).
func (*RenderingContext) CheckFramebufferStatus ¶
func (_this *RenderingContext) CheckFramebufferStatus(target uint) (_result uint)
func (*RenderingContext) Clear ¶
func (_this *RenderingContext) Clear(mask uint)
func (*RenderingContext) ClearColor ¶
func (_this *RenderingContext) ClearColor(red float32, green float32, blue float32, alpha float32)
func (*RenderingContext) ClearDepth ¶
func (_this *RenderingContext) ClearDepth(depth float32)
func (*RenderingContext) ClearStencil ¶
func (_this *RenderingContext) ClearStencil(s int)
func (*RenderingContext) ColorMask ¶
func (_this *RenderingContext) ColorMask(red bool, green bool, blue bool, alpha bool)
func (*RenderingContext) CompileShader ¶
func (_this *RenderingContext) CompileShader(shader *Shader)
func (*RenderingContext) CompressedTexImage2D ¶
func (*RenderingContext) CompressedTexSubImage2D ¶
func (*RenderingContext) CopyTexImage2D ¶
func (*RenderingContext) CopyTexSubImage2D ¶
func (*RenderingContext) CreateBuffer ¶
func (_this *RenderingContext) CreateBuffer() (_result *Buffer)
func (*RenderingContext) CreateFramebuffer ¶
func (_this *RenderingContext) CreateFramebuffer() (_result *Framebuffer)
func (*RenderingContext) CreateProgram ¶
func (_this *RenderingContext) CreateProgram() (_result *Program)
func (*RenderingContext) CreateRenderbuffer ¶
func (_this *RenderingContext) CreateRenderbuffer() (_result *Renderbuffer)
func (*RenderingContext) CreateShader ¶
func (_this *RenderingContext) CreateShader(_type uint) (_result *Shader)
func (*RenderingContext) CreateTexture ¶
func (_this *RenderingContext) CreateTexture() (_result *Texture)
func (*RenderingContext) CullFace ¶
func (_this *RenderingContext) CullFace(mode uint)
func (*RenderingContext) DeleteBuffer ¶
func (_this *RenderingContext) DeleteBuffer(buffer *Buffer)
func (*RenderingContext) DeleteFramebuffer ¶
func (_this *RenderingContext) DeleteFramebuffer(framebuffer *Framebuffer)
func (*RenderingContext) DeleteProgram ¶
func (_this *RenderingContext) DeleteProgram(program *Program)
func (*RenderingContext) DeleteRenderbuffer ¶
func (_this *RenderingContext) DeleteRenderbuffer(renderbuffer *Renderbuffer)
func (*RenderingContext) DeleteShader ¶
func (_this *RenderingContext) DeleteShader(shader *Shader)
func (*RenderingContext) DeleteTexture ¶
func (_this *RenderingContext) DeleteTexture(texture *Texture)
func (*RenderingContext) DepthFunc ¶
func (_this *RenderingContext) DepthFunc(_func uint)
func (*RenderingContext) DepthMask ¶
func (_this *RenderingContext) DepthMask(flag bool)
func (*RenderingContext) DepthRange ¶
func (_this *RenderingContext) DepthRange(zNear float32, zFar float32)
func (*RenderingContext) DetachShader ¶
func (_this *RenderingContext) DetachShader(program *Program, shader *Shader)
func (*RenderingContext) Disable ¶
func (_this *RenderingContext) Disable(cap uint)
func (*RenderingContext) DisableVertexAttribArray ¶
func (_this *RenderingContext) DisableVertexAttribArray(index uint)
func (*RenderingContext) DrawArrays ¶
func (_this *RenderingContext) DrawArrays(mode uint, first int, count int)
func (*RenderingContext) DrawElements ¶
func (_this *RenderingContext) DrawElements(mode uint, count int, _type uint, offset int)
func (*RenderingContext) DrawingBufferHeight ¶
func (_this *RenderingContext) DrawingBufferHeight() int
DrawingBufferHeight returning attribute 'drawingBufferHeight' with type int (idl: long).
func (*RenderingContext) DrawingBufferWidth ¶
func (_this *RenderingContext) DrawingBufferWidth() int
DrawingBufferWidth returning attribute 'drawingBufferWidth' with type int (idl: long).
func (*RenderingContext) Enable ¶
func (_this *RenderingContext) Enable(cap uint)
func (*RenderingContext) EnableVertexAttribArray ¶
func (_this *RenderingContext) EnableVertexAttribArray(index uint)
func (*RenderingContext) Finish ¶
func (_this *RenderingContext) Finish()
func (*RenderingContext) Flush ¶
func (_this *RenderingContext) Flush()
func (*RenderingContext) FramebufferRenderbuffer ¶
func (_this *RenderingContext) FramebufferRenderbuffer(target uint, attachment uint, renderbuffertarget uint, renderbuffer *Renderbuffer)
func (*RenderingContext) FramebufferTexture2D ¶
func (*RenderingContext) FrontFace ¶
func (_this *RenderingContext) FrontFace(mode uint)
func (*RenderingContext) GenerateMipmap ¶
func (_this *RenderingContext) GenerateMipmap(target uint)
func (*RenderingContext) GetActiveAttrib ¶
func (_this *RenderingContext) GetActiveAttrib(program *Program, index uint) (_result *ActiveInfo)
func (*RenderingContext) GetActiveUniform ¶
func (_this *RenderingContext) GetActiveUniform(program *Program, index uint) (_result *ActiveInfo)
func (*RenderingContext) GetAttachedShaders ¶
func (_this *RenderingContext) GetAttachedShaders(program *Program) (_result []*Shader)
func (*RenderingContext) GetAttribLocation ¶
func (_this *RenderingContext) GetAttribLocation(program *Program, name string) (_result int)
func (*RenderingContext) GetBufferParameter ¶
func (_this *RenderingContext) GetBufferParameter(target uint, pname uint) (_result js.Value)
func (*RenderingContext) GetContextAttributes ¶
func (_this *RenderingContext) GetContextAttributes() (_result *ContextAttributes)
func (*RenderingContext) GetError ¶
func (_this *RenderingContext) GetError() (_result uint)
func (*RenderingContext) GetExtension ¶
func (_this *RenderingContext) GetExtension(name string) (_result *javascript.Object)
func (*RenderingContext) GetFramebufferAttachmentParameter ¶
func (*RenderingContext) GetParameter ¶
func (_this *RenderingContext) GetParameter(pname uint) (_result js.Value)
func (*RenderingContext) GetProgramInfoLog ¶
func (_this *RenderingContext) GetProgramInfoLog(program *Program) (_result *string)
func (*RenderingContext) GetProgramParameter ¶
func (_this *RenderingContext) GetProgramParameter(program *Program, pname uint) (_result js.Value)
func (*RenderingContext) GetRenderbufferParameter ¶
func (_this *RenderingContext) GetRenderbufferParameter(target uint, pname uint) (_result js.Value)
func (*RenderingContext) GetShaderInfoLog ¶
func (_this *RenderingContext) GetShaderInfoLog(shader *Shader) (_result *string)
func (*RenderingContext) GetShaderParameter ¶
func (_this *RenderingContext) GetShaderParameter(shader *Shader, pname uint) (_result js.Value)
func (*RenderingContext) GetShaderPrecisionFormat ¶
func (_this *RenderingContext) GetShaderPrecisionFormat(shadertype uint, precisiontype uint) (_result *ShaderPrecisionFormat)
func (*RenderingContext) GetShaderSource ¶
func (_this *RenderingContext) GetShaderSource(shader *Shader) (_result *string)
func (*RenderingContext) GetSupportedExtensions ¶
func (_this *RenderingContext) GetSupportedExtensions() (_result []string)
func (*RenderingContext) GetTexParameter ¶
func (_this *RenderingContext) GetTexParameter(target uint, pname uint) (_result js.Value)
func (*RenderingContext) GetUniform ¶
func (_this *RenderingContext) GetUniform(program *Program, location *UniformLocation) (_result js.Value)
func (*RenderingContext) GetUniformLocation ¶
func (_this *RenderingContext) GetUniformLocation(program *Program, name string) (_result *UniformLocation)
func (*RenderingContext) GetVertexAttrib ¶
func (_this *RenderingContext) GetVertexAttrib(index uint, pname uint) (_result js.Value)
func (*RenderingContext) GetVertexAttribOffset ¶
func (_this *RenderingContext) GetVertexAttribOffset(index uint, pname uint) (_result int)
func (*RenderingContext) Hint ¶
func (_this *RenderingContext) Hint(target uint, mode uint)
func (*RenderingContext) IsBuffer ¶
func (_this *RenderingContext) IsBuffer(buffer *Buffer) (_result bool)
func (*RenderingContext) IsContextLost ¶
func (_this *RenderingContext) IsContextLost() (_result bool)
func (*RenderingContext) IsEnabled ¶
func (_this *RenderingContext) IsEnabled(cap uint) (_result bool)
func (*RenderingContext) IsFramebuffer ¶
func (_this *RenderingContext) IsFramebuffer(framebuffer *Framebuffer) (_result bool)
func (*RenderingContext) IsProgram ¶
func (_this *RenderingContext) IsProgram(program *Program) (_result bool)
func (*RenderingContext) IsRenderbuffer ¶
func (_this *RenderingContext) IsRenderbuffer(renderbuffer *Renderbuffer) (_result bool)
func (*RenderingContext) IsShader ¶
func (_this *RenderingContext) IsShader(shader *Shader) (_result bool)
func (*RenderingContext) IsTexture ¶
func (_this *RenderingContext) IsTexture(texture *Texture) (_result bool)
func (*RenderingContext) JSValue ¶
func (_this *RenderingContext) JSValue() js.Value
func (*RenderingContext) LineWidth ¶
func (_this *RenderingContext) LineWidth(width float32)
func (*RenderingContext) LinkProgram ¶
func (_this *RenderingContext) LinkProgram(program *Program)
func (*RenderingContext) MakeXRCompatible ¶
func (_this *RenderingContext) MakeXRCompatible() (_result *javascript.PromiseVoid)
func (*RenderingContext) PixelStorei ¶
func (_this *RenderingContext) PixelStorei(pname uint, param int)
func (*RenderingContext) PolygonOffset ¶
func (_this *RenderingContext) PolygonOffset(factor float32, units float32)
func (*RenderingContext) ReadPixels ¶
func (*RenderingContext) RenderbufferStorage ¶
func (_this *RenderingContext) RenderbufferStorage(target uint, internalformat uint, width int, height int)
func (*RenderingContext) SampleCoverage ¶
func (_this *RenderingContext) SampleCoverage(value float32, invert bool)
func (*RenderingContext) Scissor ¶
func (_this *RenderingContext) Scissor(x int, y int, width int, height int)
func (*RenderingContext) ShaderSource ¶
func (_this *RenderingContext) ShaderSource(shader *Shader, source string)
func (*RenderingContext) StencilFunc ¶
func (_this *RenderingContext) StencilFunc(_func uint, ref int, mask uint)
func (*RenderingContext) StencilFuncSeparate ¶
func (_this *RenderingContext) StencilFuncSeparate(face uint, _func uint, ref int, mask uint)
func (*RenderingContext) StencilMask ¶
func (_this *RenderingContext) StencilMask(mask uint)
func (*RenderingContext) StencilMaskSeparate ¶
func (_this *RenderingContext) StencilMaskSeparate(face uint, mask uint)
func (*RenderingContext) StencilOp ¶
func (_this *RenderingContext) StencilOp(fail uint, zfail uint, zpass uint)
func (*RenderingContext) StencilOpSeparate ¶
func (_this *RenderingContext) StencilOpSeparate(face uint, fail uint, zfail uint, zpass uint)
func (*RenderingContext) TexImage2D ¶
func (*RenderingContext) TexImage2D2 ¶
func (*RenderingContext) TexParameterf ¶
func (_this *RenderingContext) TexParameterf(target uint, pname uint, param float32)
func (*RenderingContext) TexParameteri ¶
func (_this *RenderingContext) TexParameteri(target uint, pname uint, param int)
func (*RenderingContext) TexSubImage2D ¶
func (*RenderingContext) TexSubImage2D2 ¶
func (*RenderingContext) Uniform1f ¶
func (_this *RenderingContext) Uniform1f(location *UniformLocation, x float32)
func (*RenderingContext) Uniform1fv ¶
func (_this *RenderingContext) Uniform1fv(location *UniformLocation, v *Union)
func (*RenderingContext) Uniform1i ¶
func (_this *RenderingContext) Uniform1i(location *UniformLocation, x int)
func (*RenderingContext) Uniform1iv ¶
func (_this *RenderingContext) Uniform1iv(location *UniformLocation, v *Union)
func (*RenderingContext) Uniform2f ¶
func (_this *RenderingContext) Uniform2f(location *UniformLocation, x float32, y float32)
func (*RenderingContext) Uniform2fv ¶
func (_this *RenderingContext) Uniform2fv(location *UniformLocation, v *Union)
func (*RenderingContext) Uniform2i ¶
func (_this *RenderingContext) Uniform2i(location *UniformLocation, x int, y int)
func (*RenderingContext) Uniform2iv ¶
func (_this *RenderingContext) Uniform2iv(location *UniformLocation, v *Union)
func (*RenderingContext) Uniform3f ¶
func (_this *RenderingContext) Uniform3f(location *UniformLocation, x float32, y float32, z float32)
func (*RenderingContext) Uniform3fv ¶
func (_this *RenderingContext) Uniform3fv(location *UniformLocation, v *Union)
func (*RenderingContext) Uniform3i ¶
func (_this *RenderingContext) Uniform3i(location *UniformLocation, x int, y int, z int)
func (*RenderingContext) Uniform3iv ¶
func (_this *RenderingContext) Uniform3iv(location *UniformLocation, v *Union)
func (*RenderingContext) Uniform4f ¶
func (_this *RenderingContext) Uniform4f(location *UniformLocation, x float32, y float32, z float32, w float32)
func (*RenderingContext) Uniform4fv ¶
func (_this *RenderingContext) Uniform4fv(location *UniformLocation, v *Union)
func (*RenderingContext) Uniform4i ¶
func (_this *RenderingContext) Uniform4i(location *UniformLocation, x int, y int, z int, w int)
func (*RenderingContext) Uniform4iv ¶
func (_this *RenderingContext) Uniform4iv(location *UniformLocation, v *Union)
func (*RenderingContext) UniformMatrix2fv ¶
func (_this *RenderingContext) UniformMatrix2fv(location *UniformLocation, transpose bool, value *Union)
func (*RenderingContext) UniformMatrix3fv ¶
func (_this *RenderingContext) UniformMatrix3fv(location *UniformLocation, transpose bool, value *Union)
func (*RenderingContext) UniformMatrix4fv ¶
func (_this *RenderingContext) UniformMatrix4fv(location *UniformLocation, transpose bool, value *Union)
func (*RenderingContext) UseProgram ¶
func (_this *RenderingContext) UseProgram(program *Program)
func (*RenderingContext) ValidateProgram ¶
func (_this *RenderingContext) ValidateProgram(program *Program)
func (*RenderingContext) VertexAttrib1f ¶
func (_this *RenderingContext) VertexAttrib1f(index uint, x float32)
func (*RenderingContext) VertexAttrib1fv ¶
func (_this *RenderingContext) VertexAttrib1fv(index uint, values *Union)
func (*RenderingContext) VertexAttrib2f ¶
func (_this *RenderingContext) VertexAttrib2f(index uint, x float32, y float32)
func (*RenderingContext) VertexAttrib2fv ¶
func (_this *RenderingContext) VertexAttrib2fv(index uint, values *Union)
func (*RenderingContext) VertexAttrib3f ¶
func (_this *RenderingContext) VertexAttrib3f(index uint, x float32, y float32, z float32)
func (*RenderingContext) VertexAttrib3fv ¶
func (_this *RenderingContext) VertexAttrib3fv(index uint, values *Union)
func (*RenderingContext) VertexAttrib4f ¶
func (*RenderingContext) VertexAttrib4fv ¶
func (_this *RenderingContext) VertexAttrib4fv(index uint, values *Union)
func (*RenderingContext) VertexAttribPointer ¶
type Shader ¶
type Shader struct {
Object
}
class: WebGLShader
func ShaderFromJS ¶
ShaderFromJS is casting a js.Wrapper into Shader.
type ShaderPrecisionFormat ¶
type ShaderPrecisionFormat struct { // Value_JS holds a reference to a javascript value Value_JS js.Value }
class: WebGLShaderPrecisionFormat
func ShaderPrecisionFormatFromJS ¶
func ShaderPrecisionFormatFromJS(value js.Wrapper) *ShaderPrecisionFormat
ShaderPrecisionFormatFromJS is casting a js.Wrapper into ShaderPrecisionFormat.
func (*ShaderPrecisionFormat) JSValue ¶
func (_this *ShaderPrecisionFormat) JSValue() js.Value
func (*ShaderPrecisionFormat) Precision ¶
func (_this *ShaderPrecisionFormat) Precision() int
Precision returning attribute 'precision' with type int (idl: long).
func (*ShaderPrecisionFormat) RangeMax ¶
func (_this *ShaderPrecisionFormat) RangeMax() int
RangeMax returning attribute 'rangeMax' with type int (idl: long).
func (*ShaderPrecisionFormat) RangeMin ¶
func (_this *ShaderPrecisionFormat) RangeMin() int
RangeMin returning attribute 'rangeMin' with type int (idl: long).
type Texture ¶
type Texture struct {
Object
}
class: WebGLTexture
func TextureFromJS ¶
TextureFromJS is casting a js.Wrapper into Texture.
type UniformLocation ¶
type UniformLocation struct { // Value_JS holds a reference to a javascript value Value_JS js.Value }
class: WebGLUniformLocation
func UniformLocationFromJS ¶
func UniformLocationFromJS(value js.Wrapper) *UniformLocation
UniformLocationFromJS is casting a js.Wrapper into UniformLocation.
func (*UniformLocation) JSValue ¶
func (_this *UniformLocation) JSValue() js.Value