diff options
Diffstat (limited to 'vendor/gioui.org/app/internal/glimpl/gl_js.go')
-rw-r--r-- | vendor/gioui.org/app/internal/glimpl/gl_js.go | 339 |
1 files changed, 0 insertions, 339 deletions
diff --git a/vendor/gioui.org/app/internal/glimpl/gl_js.go b/vendor/gioui.org/app/internal/glimpl/gl_js.go deleted file mode 100644 index e4291d0..0000000 --- a/vendor/gioui.org/app/internal/glimpl/gl_js.go +++ /dev/null @@ -1,339 +0,0 @@ -// SPDX-License-Identifier: Unlicense OR MIT - -package glimpl - -import ( - "errors" - "strings" - "syscall/js" - - "gioui.org/gpu/gl" -) - -type Functions struct { - Ctx js.Value - EXT_disjoint_timer_query js.Value - EXT_disjoint_timer_query_webgl2 js.Value - - // Cached JS arrays. - byteBuf js.Value - int32Buf js.Value -} - -func (f *Functions) Init(version int) error { - if version < 2 { - f.EXT_disjoint_timer_query = f.getExtension("EXT_disjoint_timer_query") - if f.getExtension("OES_texture_half_float").IsNull() && f.getExtension("OES_texture_float").IsNull() { - return errors.New("gl: no support for neither OES_texture_half_float nor OES_texture_float") - } - if f.getExtension("EXT_sRGB").IsNull() { - return errors.New("gl: EXT_sRGB not supported") - } - } else { - // WebGL2 extensions. - f.EXT_disjoint_timer_query_webgl2 = f.getExtension("EXT_disjoint_timer_query_webgl2") - if f.getExtension("EXT_color_buffer_half_float").IsNull() && f.getExtension("EXT_color_buffer_float").IsNull() { - return errors.New("gl: no support for neither EXT_color_buffer_half_float nor EXT_color_buffer_float") - } - } - return nil -} - -func (f *Functions) getExtension(name string) js.Value { - return f.Ctx.Call("getExtension", name) -} - -func (f *Functions) ActiveTexture(t gl.Enum) { - f.Ctx.Call("activeTexture", int(t)) -} -func (f *Functions) AttachShader(p gl.Program, s gl.Shader) { - f.Ctx.Call("attachShader", js.Value(p), js.Value(s)) -} -func (f *Functions) BeginQuery(target gl.Enum, query gl.Query) { - if !f.EXT_disjoint_timer_query_webgl2.IsNull() { - f.Ctx.Call("beginQuery", int(target), js.Value(query)) - } else { - f.EXT_disjoint_timer_query.Call("beginQueryEXT", int(target), js.Value(query)) - } -} -func (f *Functions) BindAttribLocation(p gl.Program, a gl.Attrib, name string) { - f.Ctx.Call("bindAttribLocation", js.Value(p), int(a), name) -} -func (f *Functions) BindBuffer(target gl.Enum, b gl.Buffer) { - f.Ctx.Call("bindBuffer", int(target), js.Value(b)) -} -func (f *Functions) BindBufferBase(target gl.Enum, index int, b gl.Buffer) { - f.Ctx.Call("bindBufferBase", int(target), index, js.Value(b)) -} -func (f *Functions) BindFramebuffer(target gl.Enum, fb gl.Framebuffer) { - f.Ctx.Call("bindFramebuffer", int(target), js.Value(fb)) -} -func (f *Functions) BindRenderbuffer(target gl.Enum, rb gl.Renderbuffer) { - f.Ctx.Call("bindRenderbuffer", int(target), js.Value(rb)) -} -func (f *Functions) BindTexture(target gl.Enum, t gl.Texture) { - f.Ctx.Call("bindTexture", int(target), js.Value(t)) -} -func (f *Functions) BlendEquation(mode gl.Enum) { - f.Ctx.Call("blendEquation", int(mode)) -} -func (f *Functions) BlendFunc(sfactor, dfactor gl.Enum) { - f.Ctx.Call("blendFunc", int(sfactor), int(dfactor)) -} -func (f *Functions) BufferData(target gl.Enum, src []byte, usage gl.Enum) { - f.Ctx.Call("bufferData", int(target), f.byteArrayOf(src), int(usage)) -} -func (f *Functions) CheckFramebufferStatus(target gl.Enum) gl.Enum { - return gl.Enum(f.Ctx.Call("checkFramebufferStatus", int(target)).Int()) -} -func (f *Functions) Clear(mask gl.Enum) { - f.Ctx.Call("clear", int(mask)) -} -func (f *Functions) ClearColor(red, green, blue, alpha float32) { - f.Ctx.Call("clearColor", red, green, blue, alpha) -} -func (f *Functions) ClearDepthf(d float32) { - f.Ctx.Call("clearDepth", d) -} -func (f *Functions) CompileShader(s gl.Shader) { - f.Ctx.Call("compileShader", js.Value(s)) -} -func (f *Functions) CreateBuffer() gl.Buffer { - return gl.Buffer(f.Ctx.Call("createBuffer")) -} -func (f *Functions) CreateFramebuffer() gl.Framebuffer { - return gl.Framebuffer(f.Ctx.Call("createFramebuffer")) -} -func (f *Functions) CreateProgram() gl.Program { - return gl.Program(f.Ctx.Call("createProgram")) -} -func (f *Functions) CreateQuery() gl.Query { - return gl.Query(f.Ctx.Call("createQuery")) -} -func (f *Functions) CreateRenderbuffer() gl.Renderbuffer { - return gl.Renderbuffer(f.Ctx.Call("createRenderbuffer")) -} -func (f *Functions) CreateShader(ty gl.Enum) gl.Shader { - return gl.Shader(f.Ctx.Call("createShader", int(ty))) -} -func (f *Functions) CreateTexture() gl.Texture { - return gl.Texture(f.Ctx.Call("createTexture")) -} -func (f *Functions) DeleteBuffer(v gl.Buffer) { - f.Ctx.Call("deleteBuffer", js.Value(v)) -} -func (f *Functions) DeleteFramebuffer(v gl.Framebuffer) { - f.Ctx.Call("deleteFramebuffer", js.Value(v)) -} -func (f *Functions) DeleteProgram(p gl.Program) { - f.Ctx.Call("deleteProgram", js.Value(p)) -} -func (f *Functions) DeleteQuery(query gl.Query) { - if !f.EXT_disjoint_timer_query_webgl2.IsNull() { - f.Ctx.Call("deleteQuery", js.Value(query)) - } else { - f.EXT_disjoint_timer_query.Call("deleteQueryEXT", js.Value(query)) - } -} -func (f *Functions) DeleteShader(s gl.Shader) { - f.Ctx.Call("deleteShader", js.Value(s)) -} -func (f *Functions) DeleteRenderbuffer(v gl.Renderbuffer) { - f.Ctx.Call("deleteRenderbuffer", js.Value(v)) -} -func (f *Functions) DeleteTexture(v gl.Texture) { - f.Ctx.Call("deleteTexture", js.Value(v)) -} -func (f *Functions) DepthFunc(fn gl.Enum) { - f.Ctx.Call("depthFunc", int(fn)) -} -func (f *Functions) DepthMask(mask bool) { - f.Ctx.Call("depthMask", mask) -} -func (f *Functions) DisableVertexAttribArray(a gl.Attrib) { - f.Ctx.Call("disableVertexAttribArray", int(a)) -} -func (f *Functions) Disable(cap gl.Enum) { - f.Ctx.Call("disable", int(cap)) -} -func (f *Functions) DrawArrays(mode gl.Enum, first, count int) { - f.Ctx.Call("drawArrays", int(mode), first, count) -} -func (f *Functions) DrawElements(mode gl.Enum, count int, ty gl.Enum, offset int) { - f.Ctx.Call("drawElements", int(mode), count, int(ty), offset) -} -func (f *Functions) Enable(cap gl.Enum) { - f.Ctx.Call("enable", int(cap)) -} -func (f *Functions) EnableVertexAttribArray(a gl.Attrib) { - f.Ctx.Call("enableVertexAttribArray", int(a)) -} -func (f *Functions) EndQuery(target gl.Enum) { - if !f.EXT_disjoint_timer_query_webgl2.IsNull() { - f.Ctx.Call("endQuery", int(target)) - } else { - f.EXT_disjoint_timer_query.Call("endQueryEXT", int(target)) - } -} -func (f *Functions) Finish() { - f.Ctx.Call("finish") -} -func (f *Functions) FramebufferRenderbuffer(target, attachment, renderbuffertarget gl.Enum, renderbuffer gl.Renderbuffer) { - f.Ctx.Call("framebufferRenderbuffer", int(target), int(attachment), int(renderbuffertarget), js.Value(renderbuffer)) -} -func (f *Functions) FramebufferTexture2D(target, attachment, texTarget gl.Enum, t gl.Texture, level int) { - f.Ctx.Call("framebufferTexture2D", int(target), int(attachment), int(texTarget), js.Value(t), level) -} -func (f *Functions) GetError() gl.Enum { - return gl.Enum(f.Ctx.Call("getError").Int()) -} -func (f *Functions) GetRenderbufferParameteri(target, pname gl.Enum) int { - return paramVal(f.Ctx.Call("getRenderbufferParameteri", int(pname))) -} -func (f *Functions) GetFramebufferAttachmentParameteri(target, attachment, pname gl.Enum) int { - return paramVal(f.Ctx.Call("getFramebufferAttachmentParameter", int(target), int(attachment), int(pname))) -} -func (f *Functions) GetBinding(pname gl.Enum) gl.Object { - return gl.Object(f.Ctx.Call("getParameter", int(pname))) -} -func (f *Functions) GetInteger(pname gl.Enum) int { - return paramVal(f.Ctx.Call("getParameter", int(pname))) -} -func (f *Functions) GetProgrami(p gl.Program, pname gl.Enum) int { - return paramVal(f.Ctx.Call("getProgramParameter", js.Value(p), int(pname))) -} -func (f *Functions) GetProgramInfoLog(p gl.Program) string { - return f.Ctx.Call("getProgramInfoLog", js.Value(p)).String() -} -func (f *Functions) GetQueryObjectuiv(query gl.Query, pname gl.Enum) uint { - if !f.EXT_disjoint_timer_query_webgl2.IsNull() { - return uint(paramVal(f.Ctx.Call("getQueryParameter", js.Value(query), int(pname)))) - } else { - return uint(paramVal(f.EXT_disjoint_timer_query.Call("getQueryObjectEXT", js.Value(query), int(pname)))) - } -} -func (f *Functions) GetShaderi(s gl.Shader, pname gl.Enum) int { - return paramVal(f.Ctx.Call("getShaderParameter", js.Value(s), int(pname))) -} -func (f *Functions) GetShaderInfoLog(s gl.Shader) string { - return f.Ctx.Call("getShaderInfoLog", js.Value(s)).String() -} -func (f *Functions) GetString(pname gl.Enum) string { - switch pname { - case gl.EXTENSIONS: - extsjs := f.Ctx.Call("getSupportedExtensions") - var exts []string - for i := 0; i < extsjs.Length(); i++ { - exts = append(exts, "GL_"+extsjs.Index(i).String()) - } - return strings.Join(exts, " ") - default: - return f.Ctx.Call("getParameter", int(pname)).String() - } -} -func (f *Functions) GetUniformBlockIndex(p gl.Program, name string) uint { - return uint(paramVal(f.Ctx.Call("getUniformBlockIndex", js.Value(p), name))) -} -func (f *Functions) GetUniformLocation(p gl.Program, name string) gl.Uniform { - return gl.Uniform(f.Ctx.Call("getUniformLocation", js.Value(p), name)) -} -func (f *Functions) InvalidateFramebuffer(target, attachment gl.Enum) { - fn := f.Ctx.Get("invalidateFramebuffer") - if !fn.IsUndefined() { - if f.int32Buf.IsUndefined() { - f.int32Buf = js.Global().Get("Int32Array").New(1) - } - f.int32Buf.SetIndex(0, int32(attachment)) - f.Ctx.Call("invalidateFramebuffer", int(target), f.int32Buf) - } -} -func (f *Functions) LinkProgram(p gl.Program) { - f.Ctx.Call("linkProgram", js.Value(p)) -} -func (f *Functions) PixelStorei(pname gl.Enum, param int32) { - f.Ctx.Call("pixelStorei", int(pname), param) -} -func (f *Functions) RenderbufferStorage(target, internalformat gl.Enum, width, height int) { - f.Ctx.Call("renderbufferStorage", int(target), int(internalformat), width, height) -} -func (f *Functions) ReadPixels(x, y, width, height int, format, ty gl.Enum, data []byte) { - f.resizeByteBuffer(len(data)) - f.Ctx.Call("readPixels", x, y, width, height, int(format), int(ty), f.byteBuf) - js.CopyBytesToGo(data, f.byteBuf) -} -func (f *Functions) Scissor(x, y, width, height int32) { - f.Ctx.Call("scissor", x, y, width, height) -} -func (f *Functions) ShaderSource(s gl.Shader, src string) { - f.Ctx.Call("shaderSource", js.Value(s), src) -} -func (f *Functions) TexImage2D(target gl.Enum, level int, internalFormat int, width, height int, format, ty gl.Enum, data []byte) { - f.Ctx.Call("texImage2D", int(target), int(level), int(internalFormat), int(width), int(height), 0, int(format), int(ty), f.byteArrayOf(data)) -} -func (f *Functions) TexSubImage2D(target gl.Enum, level int, x, y, width, height int, format, ty gl.Enum, data []byte) { - f.Ctx.Call("texSubImage2D", int(target), level, x, y, width, height, int(format), int(ty), f.byteArrayOf(data)) -} -func (f *Functions) TexParameteri(target, pname gl.Enum, param int) { - f.Ctx.Call("texParameteri", int(target), int(pname), int(param)) -} -func (f *Functions) UniformBlockBinding(p gl.Program, uniformBlockIndex uint, uniformBlockBinding uint) { - f.Ctx.Call("uniformBlockBinding", js.Value(p), int(uniformBlockIndex), int(uniformBlockBinding)) -} -func (f *Functions) Uniform1f(dst gl.Uniform, v float32) { - f.Ctx.Call("uniform1f", js.Value(dst), v) -} -func (f *Functions) Uniform1i(dst gl.Uniform, v int) { - f.Ctx.Call("uniform1i", js.Value(dst), v) -} -func (f *Functions) Uniform2f(dst gl.Uniform, v0, v1 float32) { - f.Ctx.Call("uniform2f", js.Value(dst), v0, v1) -} -func (f *Functions) Uniform3f(dst gl.Uniform, v0, v1, v2 float32) { - f.Ctx.Call("uniform3f", js.Value(dst), v0, v1, v2) -} -func (f *Functions) Uniform4f(dst gl.Uniform, v0, v1, v2, v3 float32) { - f.Ctx.Call("uniform4f", js.Value(dst), v0, v1, v2, v3) -} -func (f *Functions) UseProgram(p gl.Program) { - f.Ctx.Call("useProgram", js.Value(p)) -} -func (f *Functions) VertexAttribPointer(dst gl.Attrib, size int, ty gl.Enum, normalized bool, stride, offset int) { - f.Ctx.Call("vertexAttribPointer", int(dst), size, int(ty), normalized, stride, offset) -} -func (f *Functions) Viewport(x, y, width, height int) { - f.Ctx.Call("viewport", x, y, width, height) -} - -func (f *Functions) byteArrayOf(data []byte) js.Value { - if len(data) == 0 { - return js.Null() - } - f.resizeByteBuffer(len(data)) - js.CopyBytesToJS(f.byteBuf, data) - return f.byteBuf -} - -func (f *Functions) resizeByteBuffer(n int) { - if n == 0 { - return - } - if !f.byteBuf.IsUndefined() && f.byteBuf.Length() >= n { - return - } - f.byteBuf = js.Global().Get("Uint8Array").New(n) -} - -func paramVal(v js.Value) int { - switch v.Type() { - case js.TypeBoolean: - if b := v.Bool(); b { - return 1 - } else { - return 0 - } - case js.TypeNumber: - return v.Int() - default: - panic("unknown parameter type") - } -} |