public void MakeTexture()
{
if (PrepDevice != null)
{
// PrepDevice.pixelStorei(GL.UNPACK_FLIP_Y_WEBGL, 1);
try
{
texture2d = PrepDevice.createTexture();
PrepDevice.bindTexture(GL.TEXTURE_2D, texture2d);
PrepDevice.texParameteri(GL.TEXTURE_2D, GL.TEXTURE_WRAP_S, GL.CLAMP_TO_EDGE);
PrepDevice.texParameteri(GL.TEXTURE_2D, GL.TEXTURE_WRAP_T, GL.CLAMP_TO_EDGE);
PrepDevice.texImage2D(GL.TEXTURE_2D, 0, GL.RGBA, GL.RGBA, GL.UNSIGNED_BYTE, texture);
PrepDevice.texParameteri(GL.TEXTURE_2D, GL.TEXTURE_MIN_FILTER, GL.LINEAR_MIPMAP_NEAREST);
PrepDevice.generateMipmap(GL.TEXTURE_2D);
PrepDevice.bindTexture(GL.TEXTURE_2D, null);
}
catch
{
errored = true;
}
}
}
internal Texture(WebGLContext gl, WebGLTexture texture, int width, int height)
{
_gl = gl;
_texture = texture;
_width = width;
_height = height;
}
public static void Use(RenderContext renderContext, WebGLBuffer vertex, WebGLTexture texture)
{
GL gl = renderContext.gl;
if (gl != null)
{
if (!initialized)
{
Init(renderContext);
}
gl.useProgram(prog);
Matrix3d mvMat = Matrix3d.MultiplyMatrix(renderContext.World, renderContext.View);
gl.uniformMatrix4fv(mvMatLoc, false, mvMat.FloatArray());
gl.uniformMatrix4fv(projMatLoc, false, renderContext.Projection.FloatArray());
gl.uniform1i(sampLoc, 0);
gl.disable(GL.DEPTH_TEST);
gl.enableVertexAttribArray(vertLoc);
gl.enableVertexAttribArray(textureLoc);
gl.enableVertexAttribArray(colorLoc);
gl.bindBuffer(GL.ARRAY_BUFFER, vertex);
gl.vertexAttribPointer(vertLoc, 3, GL.FLOAT, false, 36, 0);
gl.vertexAttribPointer(colorLoc, 4, GL.FLOAT, false, 36, 12);
gl.vertexAttribPointer(textureLoc, 2, GL.FLOAT, false, 36, 28);
gl.activeTexture(GL.TEXTURE0);
gl.bindTexture(GL.TEXTURE_2D, texture);
gl.bindBuffer(GL.ELEMENT_ARRAY_BUFFER, null);
gl.blendFunc(GL.SRC_ALPHA, GL.ONE_MINUS_SRC_ALPHA);
}
}
public texReader(WebGLRenderingContext webgl, WebGLTexture texRGBA, int width, int height, bool gray = true)
{
this.gray = gray;
this.width = width;
this.height = height;
var fbo = webgl.CreateFramebuffer();
WebGLFramebuffer fbold = webgl.GetParameter(webgl.FRAMEBUFFER_BINDING) as WebGLFramebuffer;
webgl.BindFramebuffer(webgl.FRAMEBUFFER, fbo);
webgl.FramebufferTexture2D(webgl.FRAMEBUFFER, webgl.COLOR_ATTACHMENT0, webgl.TEXTURE_2D,
texRGBA, 0);
var readData = new Uint8Array(this.width * this.height * 4);
readData[0] = 2;
webgl.ReadPixels(0, 0, this.width, this.height, webgl.RGBA, webgl.UNSIGNED_BYTE,
readData);
webgl.DeleteFramebuffer(fbo);
webgl.BindFramebuffer(webgl.FRAMEBUFFER, fbold);
if (gray)
{
this.data = new Uint8Array(this.width * this.height);
for (var i = 0; i < width * height; i++)
{
this.data[i] = readData[i * 4];
}
}
else
{
this.data = readData;
}
}
public void record()
{
//记录状态
this.DEPTH_WRITEMASK = (bool)this.webgl.GetParameter(this.webgl.DEPTH_WRITEMASK);
this.DEPTH_TEST = (bool)this.webgl.GetParameter(this.webgl.DEPTH_TEST);
this.DEPTH_FUNC = (int)this.webgl.GetParameter(this.webgl.DEPTH_FUNC);
//alphablend ，跟着mat走
this.BLEND = (bool)this.webgl.GetParameter(this.webgl.BLEND);
this.BLEND_EQUATION = (int)this.webgl.GetParameter(this.webgl.BLEND_EQUATION);
this.BLEND_SRC_RGB = (int)this.webgl.GetParameter(this.webgl.BLEND_SRC_RGB);
this.BLEND_SRC_ALPHA = (int)this.webgl.GetParameter(this.webgl.BLEND_SRC_ALPHA);
this.BLEND_DST_RGB = (int)this.webgl.GetParameter(this.webgl.BLEND_DST_RGB);
this.BLEND_DST_ALPHA = (int)this.webgl.GetParameter(this.webgl.BLEND_DST_ALPHA);
// this.webgl.blendFuncSeparate(this.webgl.ONE, this.webgl.ONE_MINUS_SRC_ALPHA,
// this.webgl.SRC_ALPHA, this.webgl.ONE);
var p = this.webgl.GetParameter(this.webgl.CURRENT_PROGRAM);
this.CURRENT_PROGRAM = p.As <WebGLProgram>();
var pb = this.webgl.GetParameter(this.webgl.ARRAY_BUFFER_BINDING);
this.ARRAY_BUFFER = pb.As <WebGLBuffer>();
this.ACTIVE_TEXTURE = (int)this.webgl.GetParameter(this.webgl.ACTIVE_TEXTURE);
this.TEXTURE_BINDING_2D = this.webgl.GetParameter(this.webgl.TEXTURE_BINDING_2D).As <WebGLTexture>();
}
/// <summary>
/// </summary>
/// <param name="camera">
/// </param>
/// <param name="sourceTexture">
/// </param>
public virtual void activate(Camera camera, WebGLTexture sourceTexture = null)
{
camera = camera ?? this._camera;
var scene = camera.getScene();
var desiredWidth = ((sourceTexture != null) ? sourceTexture._width : this._engine.getRenderingCanvas().width) * this._renderRatio;
var desiredHeight = ((sourceTexture != null) ? sourceTexture._height : this._engine.getRenderingCanvas().height) * this._renderRatio;
if (this.width != desiredWidth || this.height != desiredHeight)
{
if (this._textures.Length > 0)
{
for (var i = 0; i < this._textures.Length; i++)
{
this._engine._releaseTexture(this._textures[i]);
}
this._textures.reset();
}
this.width = (int)desiredWidth;
this.height = (int)desiredHeight;
this._textures.Add(
this._engine.createRenderTargetTexture(
new Size {
width = this.width, height = this.height
},
generateMipMaps: false,
generateDepthBuffer: camera._postProcesses.IndexOf(this) == camera._postProcessesTakenIndices[0],
samplingMode: this.renderTargetSamplingMode));
if (this._reusable)
{
this._textures.Add(
this._engine.createRenderTargetTexture(
new Size {
width = this.width, height = this.height
},
generateMipMaps: false,
generateDepthBuffer: camera._postProcesses.IndexOf(this) == camera._postProcessesTakenIndices[0],
samplingMode: this.renderTargetSamplingMode));
}
if (this.onSizeChanged != null)
{
this.onSizeChanged();
}
}
this._engine.bindFramebuffer(this._textures[this._currentRenderTextureInd]);
if (this.onActivate != null)
{
this.onActivate(camera);
}
this._engine.clear(scene.clearColor, scene.autoClear || scene.forceWireframe, true);
if (this._reusable)
{
this._currentRenderTextureInd = (this._currentRenderTextureInd + 1) % 2;
}
}
public override void Destroy()
{
if (id != null)
{
GL.deleteTexture(id);
id = null;
}
}
private void DeleteGLTexture()
{
if (glTexture != null)
{
GraphicsDevice.DisposeTexture(glTexture);
}
glTexture = null;
}
public void bindTexture(int target, WebGLTexture texture)
{
#if _DEBUG
Log.Info(string.Format("bindTexture {0}", target, (int)(texture != null ? texture.Value : 0)));
#endif
Gl.glBindTexture(target, (int)(texture != null ? texture.Value : 0));
this.ErrorTest();
}
public void framebufferTexture2D(int target, int attachment, int textarget, WebGLTexture texture, int level)
{
this.openGl.FramebufferTexture2DEXT(
(uint)target,
(uint)attachment,
(uint)textarget,
texture != null ? texture.Value : 0,
level);
this.ErrorTest();
}
internal void DisposeTexture(WebGLTexture handle)
{
if (!_isDisposed)
{
lock (_disposeActionsLock)
{
_disposeNextFrame.Add(ResourceHandle.Texture(handle));
}
}
}
public static void Use(RenderContext renderContext, WebGLBuffer vertex, WebGLTexture texture, Color lineColor, bool zBuffer, float jNow, float decay, Vector3d camera, float scale)
{
GL gl = renderContext.gl;
if (gl != null)
{
if (!initialized)
{
Init(renderContext);
}
gl.useProgram(prog);
Matrix3d mvMat = Matrix3d.MultiplyMatrix(renderContext.World, renderContext.View);
gl.uniformMatrix4fv(mvMatLoc, false, mvMat.FloatArray());
gl.uniformMatrix4fv(projMatLoc, false, renderContext.Projection.FloatArray());
gl.uniform1i(sampLoc, 0);
gl.uniform1f(jNowLoc, jNow);
gl.uniform1f(decayLoc, decay);
gl.uniform4f(lineColorLoc, lineColor.R / 255f, lineColor.G / 255f, lineColor.B / 255f, 1f);
gl.uniform3f(cameraPosLoc, (float)camera.X, (float)camera.Y, (float)camera.Z);
gl.uniform1f(scaleLoc, scale);
if (zBuffer)
{
gl.enable(GL.DEPTH_TEST);
}
else
{
gl.disable(GL.DEPTH_TEST);
}
//gl.enable(0x8642);
gl.disableVertexAttribArray(0);
gl.disableVertexAttribArray(1);
gl.disableVertexAttribArray(2);
gl.disableVertexAttribArray(3);
gl.enableVertexAttribArray(vertLoc);
gl.enableVertexAttribArray(colorLoc);
gl.enableVertexAttribArray(pointSizeLoc);
gl.enableVertexAttribArray(timeLoc);
gl.bindBuffer(GL.ARRAY_BUFFER, vertex);
gl.bindBuffer(GL.ELEMENT_ARRAY_BUFFER, null);
gl.vertexAttribPointer(vertLoc, 3, GL.FLOAT, false, 40, 0);
gl.vertexAttribPointer(colorLoc, 4, GL.FLOAT, false, 40, 12);
gl.vertexAttribPointer(pointSizeLoc, 1, GL.FLOAT, false, 40, 36);
gl.vertexAttribPointer(timeLoc, 2, GL.FLOAT, false, 40, 28);
gl.activeTexture(GL.TEXTURE0);
gl.bindTexture(GL.TEXTURE_2D, texture);
gl.lineWidth(1.0f);
gl.blendFunc(GL.SRC_ALPHA, GL.ONE);
}
}
public virtual void MakeTexture()
{
if (PrepDevice != null)
{
// PrepDevice.pixelStorei(GL.UNPACK_FLIP_Y_WEBGL, 1);
try
{
texture2d = PrepDevice.createTexture();
if (dataset.Extension == ".fits" && RenderContext.UseGlVersion2)
{
PrepDevice.bindTexture(GL.TEXTURE_2D, texture2d);
PrepDevice.texParameteri(GL.TEXTURE_2D, GL.TEXTURE_WRAP_S, GL.CLAMP_TO_EDGE);
PrepDevice.texParameteri(GL.TEXTURE_2D, GL.TEXTURE_WRAP_T, GL.CLAMP_TO_EDGE);
PrepDevice.texImage2D(GL.TEXTURE_2D, 0, GL.R32F, (int)fitsImage.SizeX, (int)fitsImage.SizeY, 0, GL.RED, GL.FLOAT, fitsImage.dataUnit);
PrepDevice.texParameteri(GL.TEXTURE_2D, GL.TEXTURE_MIN_FILTER, GL.NEAREST);
PrepDevice.texParameteri(GL.TEXTURE_2D, GL.TEXTURE_MAG_FILTER, GL.NEAREST);
}
else
{
ImageElement image = texture;
// Before we bind resize to a power of two if nessesary so we can MIPMAP
if (!Texture.IsPowerOfTwo(texture.Height) | !Texture.IsPowerOfTwo(texture.Width))
{
CanvasElement temp = (CanvasElement)Document.CreateElement("canvas");
temp.Height = Texture.FitPowerOfTwo(image.Height);
temp.Width = Texture.FitPowerOfTwo(image.Width);
CanvasContext2D ctx = (CanvasContext2D)temp.GetContext(Rendering.Render2D);
ctx.DrawImage(image, 0, 0, temp.Width, temp.Height);
//Substitute the resized image
image = (ImageElement)(Element)temp;
}
PrepDevice.bindTexture(GL.TEXTURE_2D, texture2d);
PrepDevice.texParameteri(GL.TEXTURE_2D, GL.TEXTURE_WRAP_S, GL.CLAMP_TO_EDGE);
PrepDevice.texParameteri(GL.TEXTURE_2D, GL.TEXTURE_WRAP_T, GL.CLAMP_TO_EDGE);
PrepDevice.texImage2D(GL.TEXTURE_2D, 0, GL.RGBA, GL.RGBA, GL.UNSIGNED_BYTE, image);
PrepDevice.texParameteri(GL.TEXTURE_2D, GL.TEXTURE_MIN_FILTER, GL.LINEAR_MIPMAP_NEAREST);
PrepDevice.generateMipmap(GL.TEXTURE_2D);
}
PrepDevice.bindTexture(GL.TEXTURE_2D, null);
}
catch
{
errored = true;
}
}
}
public static WebGLTexture GetEmpty()
{
if (empty == null)
{
empty = Tile.PrepDevice.createTexture();
Tile.PrepDevice.bindTexture(GL.TEXTURE_2D, empty);
Tile.PrepDevice.texImage2D(GL.TEXTURE_2D, 0, GL.RGBA, 1, 1, 0, GL.RGBA, GL.UNSIGNED_BYTE, (System.Html.WebGLArray)(object)(new Uint8Array(new Byte[] { 0, 0, 0, 0 })));
Tile.PrepDevice.bindTexture(GL.TEXTURE_2D, null);
}
return(empty);
}
public WebGLTexture GetTexture()
{
WebGLTexture tex = Tile.PrepDevice.createTexture();
Tile.PrepDevice.bindTexture(GL.TEXTURE_2D, tex);
Tile.PrepDevice.texParameteri(GL.TEXTURE_2D, GL.TEXTURE_WRAP_S, GL.CLAMP_TO_EDGE);
Tile.PrepDevice.texParameteri(GL.TEXTURE_2D, GL.TEXTURE_WRAP_T, GL.CLAMP_TO_EDGE);
Tile.PrepDevice.texImage2D(GL.TEXTURE_2D, 0, GL.RGBA, Width, Height, 0, GL.RGBA, GL.UNSIGNED_BYTE, (WebGLArray)(object)buffer);
Tile.PrepDevice.texParameteri(GL.TEXTURE_2D, GL.TEXTURE_MIN_FILTER, GL.LINEAR_MIPMAP_NEAREST);
Tile.PrepDevice.generateMipmap(GL.TEXTURE_2D);
Tile.PrepDevice.bindTexture(GL.TEXTURE_2D, null);
return(tex);
}
public void InitTexture()
{
this.texture = gl.CreateTexture();
var textureImageElement = new HTMLImageElement();
textureImageElement.OnLoad = (ev) =>
{
this.HandleLoadedTexture(textureImageElement);
};
textureImageElement.Src = this.textureImageSrc;
}
public WebGL2Tests(JSObject canvas)
{
if (!WebGL2RenderingContextBase.IsSupported)
{
throw new InconclusiveException("WebGL 2 is not supported");
}
gl = new WebGL2RenderingContext(canvas);
pixels = new byte[TextureWidthOrHeight * 2 * BytesPerPixel];
pixelsHandle = GCHandle.Alloc(pixels, GCHandleType.Pinned);
texture = gl.CreateTexture();
}
/// <summary>
/// </summary>
/// <param name="sourceTexture">
/// </param>
/// <returns>
/// </returns>
public virtual bool _prepareFrame(WebGLTexture sourceTexture = null)
{
var postProcesses = this._scene.activeCamera._postProcesses;
var postProcessesTakenIndices = this._scene.activeCamera._postProcessesTakenIndices;
if (postProcessesTakenIndices.Length == 0 || !this._scene.postProcessesEnabled)
{
return(false);
}
postProcesses[this._scene.activeCamera._postProcessesTakenIndices[0]].activate(this._scene.activeCamera, sourceTexture);
return(true);
}
public void framebufferTexture2D(int target, int attachment, int textarget, WebGLTexture texture, int level)
{
#if _DEBUG
Log.Info(string.Format("framebufferTexture2D {0} {1} {2} {3} {4}", target, attachment, textarget, texture != null ? texture.Value : 0, level));
#endif
#if GLEW_STATIC
Gl.glFramebufferTexture2D(target, attachment, textarget, (int)(texture != null ? texture.Value : 0), level);
#else
Gl.__glewFramebufferTexture2D(target, attachment, textarget, (int)(texture != null ? texture.Value : 0), level);
#endif
this.ErrorTest();
}
public override void BindTexture(uint target, uint texture)
{
WebGLTexture t = _textures[texture];
if (t == null)
{
t = gl.CreateTexture();
_textures[texture] = t;
}
//Log("binding texture " + t + " id " + texture + " for activeTexture: " + (_activeTexture - TEXTURE0));
gl.BindTexture(target, t); CheckError("glBindTexture");
_boundTextureId[_activeTexture] = texture;
//glColor3f((float)Math.Random(), (float)Math.Random(), (float)Math.Random());
}
void IDisposable.Dispose()
{
if (DualityApp.ExecContext != DualityApp.ExecutionContext.Terminated &&
this.handle != null)
{
// Removed thread guards because of performance
try {
GraphicsBackend.GL.DeleteTexture(this.handle);
} catch (Exception ex) {
Console.WriteLine("DeleteTexture() failed: " + ex);
}
this.handle = null;
}
}
/// <summary>
/// </summary>
/// <param name="doNotPresent">
/// </param>
/// <param name="targetTexture">
/// </param>
public virtual void _finalizeFrame(bool doNotPresent = false, WebGLTexture targetTexture = null)
{
var postProcesses = this._scene.activeCamera._postProcesses;
var postProcessesTakenIndices = this._scene.activeCamera._postProcessesTakenIndices;
if (postProcessesTakenIndices.Length == 0 || !this._scene.postProcessesEnabled)
{
return;
}
var engine = this._scene.getEngine();
for (var index = 0; index < postProcessesTakenIndices.Length; index++)
{
if (index < postProcessesTakenIndices.Length - 1)
{
postProcesses[postProcessesTakenIndices[index + 1]].activate(this._scene.activeCamera);
}
else
{
if (targetTexture != null)
{
engine.bindFramebuffer(targetTexture);
}
else
{
engine.restoreDefaultFramebuffer();
}
}
if (doNotPresent)
{
break;
}
var effect = postProcesses[postProcessesTakenIndices[index]].apply();
if (effect != null)
{
engine.bindBuffers(this._vertexBuffer, this._indexBuffer, this._vertexDeclaration, this._vertexStrideSize, effect);
engine.draw(true, 0, 6);
}
}
engine.setDepthBuffer(true);
engine.setDepthWrite(true);
}
void INativeTexture.SetupEmpty(TexturePixelFormat format, int width, int height, TextureMinFilter minFilter, TextureMagFilter magFilter, TextureWrapMode wrapX, TextureWrapMode wrapY, int anisoLevel, bool mipmaps)
{
// Removed thread guards because of performance
//DefaultOpenTKBackendPlugin.GuardSingleThreadState();
WebGLTexture lastTexId = (WebGLTexture)GraphicsBackend.GL.GetParameter(WebGLRenderingContextBase.TEXTURE_BINDING_2D);
if (lastTexId != this.handle)
{
GraphicsBackend.GL.BindTexture(WebGLRenderingContextBase.TEXTURE_2D, this.handle);
}
// Set texture parameters
GraphicsBackend.GL.TexParameteri(WebGLRenderingContextBase.TEXTURE_2D, WebGLRenderingContextBase.TEXTURE_MIN_FILTER, (int)ToOpenTKTextureMinFilter(minFilter));
GraphicsBackend.GL.TexParameteri(WebGLRenderingContextBase.TEXTURE_2D, WebGLRenderingContextBase.TEXTURE_MAG_FILTER, (int)ToOpenTKTextureMagFilter(magFilter));
GraphicsBackend.GL.TexParameteri(WebGLRenderingContextBase.TEXTURE_2D, WebGLRenderingContextBase.TEXTURE_WRAP_S, (int)ToOpenTKTextureWrapMode(wrapX));
GraphicsBackend.GL.TexParameteri(WebGLRenderingContextBase.TEXTURE_2D, WebGLRenderingContextBase.TEXTURE_WRAP_T, (int)ToOpenTKTextureWrapMode(wrapY));
// Anisotropic filtering
// ToDo: Add similar code for OpenGL ES
//if (anisoLevel > 0) {
// GraphicsBackend.GL.TexParameter(WebGLRenderingContextBase.TEXTURE_2D, (TextureParameterName)ExtTextureFilterAnisotropic.TextureMaxAnisotropyExt, (float)anisoLevel);
//}
// If needed, care for Mipmaps
// ToDo: Why are mipmaps disabled here?
//GraphicsBackend.GL.TexParameter(WebGLRenderingContextBase.TEXTURE_2D, TextureParameterName.GenerateMipmap, mipmaps ? 1 : 0);
// Setup pixel format
GraphicsBackend.GL.TexImage2D(WebGLRenderingContextBase.TEXTURE_2D, 0,
ToOpenTKPixelInternalFormat(format), width, height, 0,
ToOpenTKPixelFormat(format), WebGLRenderingContextBase.UNSIGNED_BYTE, null);
//GraphicsBackend.GL.GenerateMipmap(WebGLRenderingContextBase.TEXTURE_2D);
this.width = width;
this.height = height;
this.format = format;
this.mipmaps = mipmaps;
if (lastTexId != this.handle)
{
GraphicsBackend.GL.BindTexture(WebGLRenderingContextBase.TEXTURE_2D, lastTexId);
}
}
/// <summary>
/// </summary>
public virtual void releaseInternalTexture()
{
if (this._texture == null)
{
return;
}
var texturesCache = this._scene.getEngine().getLoadedTexturesCache();
this._texture.references--;
if (this._texture.references == 0)
{
var index = texturesCache.IndexOf(this._texture);
texturesCache.RemoveAt(index);
this._scene.getEngine()._releaseTexture(this._texture);
this._texture = null;
}
}
internal WebGL2Texture(string file, TextureType type,
TextureFormat format,
TextureFilter minFilter, TextureFilter magFilter,
TextureWrap wrapX, TextureWrap wrapY, TextureWrap?wrapZ)
{
Type = type;
Width = 1;
Height = 1;
Depth = 1;
Format = format;
id = GL.createTexture();
switch (Type)
{
case TextureType.Texture2D:
TextureTarget = TEXTURE_2D;
break;
case TextureType.Texture2DArray:
TextureTarget = TEXTURE_2D_ARRAY_Static;
break;
case TextureType.Texture3D:
TextureTarget = TEXTURE_3D_Static;
WrapZ = wrapZ.Value;
break;
default:
throw new IllegalValueException(typeof(TextureType), Type);
}
MinFilter = minFilter;
MagFilter = magFilter;
WrapX = wrapX;
WrapY = wrapY;
//SetData(new byte[] { 255, 20, 147, 255 }); // Debug Pink
SetData(new byte[] { 255, 255, 255, 255 });
// Load image async
HTMLImageElement image = new HTMLImageElement();
image.crossOrigin = "";
image.onload = (ev) => { HandleLoadedTexture(image); };
image.src = file;
}
public virtual void CleanUp(bool removeFromParent)
{
ReadyToRender = false;
DemData = null;
demFile = null;
demDownloading = false;
texReady = false;
DemReady = false;
errored = false;
if (this.texture != null)
{
this.texture = null;
}
RenderTriangleLists = new List <RenderTriangle> [4];
GeometryCreated = false;
if (removeFromParent && Parent != null)
{
Parent.RemoveChild(this);
Parent = null;
}
if (PrepDevice != null)
{
foreach (WebGLBuffer buf in IndexBuffers)
{
PrepDevice.deleteBuffer(buf);
}
IndexBuffers = new WebGLBuffer[4];
if (VertexBuffer != null)
{
PrepDevice.deleteBuffer(VertexBuffer);
VertexBuffer = null;
}
if (texture2d != null)
{
PrepDevice.deleteTexture(texture2d);
texture2d = null;
}
}
}
public void MakeTexture()
{
if (Tile.PrepDevice != null)
{
// PrepDevice.pixelStorei(GL.UNPACK_FLIP_Y_WEBGL, 1);
try
{
Texture2d = Tile.PrepDevice.createTexture();
Tile.PrepDevice.bindTexture(GL.TEXTURE_2D, Texture2d);
ImageElement image = ImageElement;
// Before we bind resize to a power of two if nessesary so we can MIPMAP
if (!IsPowerOfTwo(ImageElement.Height) | !IsPowerOfTwo(ImageElement.Width))
{
CanvasElement temp = (CanvasElement)Document.CreateElement("canvas");
temp.Height = FitPowerOfTwo(image.Height);
temp.Width = FitPowerOfTwo(image.Width);
CanvasContext2D ctx = (CanvasContext2D)temp.GetContext(Rendering.Render2D);
ctx.DrawImage(image, 0, 0, temp.Width, temp.Height);
//Substitute the resized image
image = (ImageElement)(Element)temp;
}
Tile.PrepDevice.texParameteri(GL.TEXTURE_2D, GL.TEXTURE_WRAP_S, GL.CLAMP_TO_EDGE);
Tile.PrepDevice.texParameteri(GL.TEXTURE_2D, GL.TEXTURE_WRAP_T, GL.CLAMP_TO_EDGE);
Tile.PrepDevice.texImage2D(GL.TEXTURE_2D, 0, GL.RGBA, GL.RGBA, GL.UNSIGNED_BYTE, image);
Tile.PrepDevice.texParameteri(GL.TEXTURE_2D, GL.TEXTURE_MIN_FILTER, GL.LINEAR_MIPMAP_NEAREST);
Tile.PrepDevice.generateMipmap(GL.TEXTURE_2D);
Tile.PrepDevice.bindTexture(GL.TEXTURE_2D, null);
}
catch
{
Errored = true;
}
}
}
public void DrawTextured(RenderContext renderContext, WebGLTexture texture, float opacity)
{
InitBuffer(renderContext);
Vector3d zero = new Vector3d();
Matrix3d matInv = Matrix3d.MultiplyMatrix(renderContext.World, renderContext.View);
matInv.Invert();
Vector3d cam = Vector3d.TransformCoordinate(zero, matInv);
foreach (TimeSeriesPointVertexBuffer pointBuffer in pointBuffers)
{
TimeSeriesPointSpriteShader.Use(
renderContext, pointBuffer.VertexBuffer, texture,
Color.FromArgb(255 * opacity, 255, 255, 255), DepthBuffered, (float)(this.JNow),
(float)Decay, cam, (float)(scale * (renderContext.Height / 960)), MinSize, ShowFarSide, Sky
);
renderContext.gl.drawArrays(GL.POINTS, 0, pointBuffer.Count);
}
}
unsafe void INativeTexture.LoadData(TexturePixelFormat format, int width, int height, IntPtr data, ColorDataLayout dataLayout, ColorDataElementType dataElementType)
{
// Removed thread guards because of performance
//DefaultOpenTKBackendPlugin.GuardSingleThreadState();
WebGLTexture lastTexId = (WebGLTexture)GraphicsBackend.GL.GetParameter(WebGLRenderingContextBase.TEXTURE_BINDING_2D);
GraphicsBackend.GL.BindTexture(WebGLRenderingContextBase.TEXTURE_2D, this.handle);
// Load pixel data to video memory
GraphicsBackend.GL.TexImage2D(WebGLRenderingContextBase.TEXTURE_2D, 0,
ToOpenTKPixelInternalFormat(format), width, height, 0,
dataLayout.ToOpenTK(), dataElementType.ToOpenTK(),
TypedArray <Uint8ClampedArray, byte> .From(new Span <byte>(data.ToPointer(), /*ToDo*/ (width * height * 4))));
GraphicsBackend.GL.GenerateMipmap(WebGLRenderingContextBase.TEXTURE_2D);
this.width = width;
this.height = height;
this.format = format;
GraphicsBackend.GL.BindTexture(WebGLRenderingContextBase.TEXTURE_2D, lastTexId);
}
internal WebGL2Texture(byte[] data, TextureType type,
int width, int height, int depth,
TextureFormat format,
TextureFilter minFilter, TextureFilter magFilter,
TextureWrap wrapX, TextureWrap wrapY, TextureWrap?wrapZ)
{
Type = type;
Width = width;
Height = height;
Depth = depth;
Format = format;
id = GL.createTexture();
switch (Type)
{
case TextureType.Texture2D:
TextureTarget = TEXTURE_2D;
break;
case TextureType.Texture2DArray:
TextureTarget = TEXTURE_2D_ARRAY_Static;
break;
case TextureType.Texture3D:
TextureTarget = TEXTURE_3D_Static;
WrapZ = wrapZ.Value;
break;
default:
throw new IllegalValueException(typeof(TextureType), Type);
}
MinFilter = minFilter;
MagFilter = magFilter;
WrapX = wrapX;
WrapY = wrapY;
SetData(data);
}
public void framebufferTexture2D(int target, int attachment, int textarget, WebGLTexture texture, int level) { }
public bool isTexture(WebGLTexture texture) { return default(bool); }
public void bindTexture(int target, WebGLTexture texture) { }
public void deleteTexture(WebGLTexture texture) { }
public void InitTexture()
{
this.texture = gl.CreateTexture();
var textureImageElement = new ImageElement();
textureImageElement.OnLoad = (ev) =>
{
this.HandleLoadedTexture(textureImageElement);
};
textureImageElement.Src = this.textureImageSrc;
}
/// <summary>
/// Gets state of WebGL texture. Returns true if texture is valid, false otherwise.
/// </summary>
/// <param name="texture">Texture to query.</param>
/// <returns>Returns true of texture is valid, false otherwise.</returns>
public virtual bool IsTexture(WebGLTexture texture)
{
return false;
}
/// <summary>
/// Deletes a specific texture object.
/// If texture is currently bound is deleted, the binding reverts to a default 0 value texture.
/// </summary>
/// <param name="texture">The texture to delete</param>
public virtual void DeleteTexture(WebGLTexture texture) { }
/// <summary>
/// Attaches a texture to a WebGLFramebuffer object.
///
/// Errors:
/// gl.INVALID_ENUM If textarget isn't from the listed values, and texture isn't 0.
/// If target isn't gl.FRAMEBUFFER.
/// If attachment isn't from the listed values.
///
/// gl.INVALID_OPERATION If the default framebuffer object name 0 is bound.
/// If texture isn't 0 or the name of an existing texture object
/// </summary>
/// <param name="target">Always use gl.FRAMEBUFFER.</param>
/// <param name="attachment">Specifies the attachment point. One of the following:
/// gl.COLOR_ATTACHMENT0
/// gl.DEPTH_ATTACHMENT
/// gl.STENCIL_ATTACHEMENT
/// gl.DEPTH_STENCIL_ATTACHEMENT
/// </param>
/// <param name="texTarget">The texture target:
/// gl.TEXTURE_2D Uses a 2D image.
/// gl.TEXTURE_CUBE_MAP_POSITIVE_X Image for the positive X face of the cube.
/// gl.TEXTURE_CUBE_MAP_NEGATIVE_X Image for the negative X face of the cube.
/// gl.TEXTURE_CUBE_MAP_POSITIVE_Y Image for the positive Y face of the cube.
/// gl.TEXTURE_CUBE_MAP_NEGATIVE_Y Image for the negative Y face of the cube.
/// gl.TEXTURE_CUBE_MAP_POSITIVE_Z Image for the positive Z face of the cube.
/// gl.TEXTURE_CUBE_MAP_NEGATIVE_Z Image for the negative Z face of the cube.
/// </param>
/// <param name="texture">WebGLTexture object with image to attach.</param>
/// <param name="level">The mipmap level of the texture image to attach. Always set to 0.</param>
public virtual void FramebufferTexture2D(int target, int attachment, int texTarget, WebGLTexture texture, int level) { }
/// <summary>
/// Binds a named texture object to a target.
/// Errors:
/// gl.INVALID_ENUM If target isn't one of the listed values..
/// gl.INVALID_OPERATION If texture was created with different target than target.
/// </summary>
/// <param name="target">gl.TEXTURE_2D or gl.TEXTURE_CUBE_MAP</param>
/// <param name="texture">Either a reference to a texture object or null.</param>
public virtual void BindTexture(int target, WebGLTexture texture) { }
