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2025-01-22 16:18:30 +01:00
package kha.js.graphics4;
import js.html.webgl.GL2;
import kha.graphics4.StencilValue;
import kha.arrays.Float32Array;
import kha.arrays.Int32Array;
import js.html.webgl.GL;
import kha.graphics4.BlendingFactor;
import kha.graphics4.BlendingOperation;
import kha.graphics4.CompareMode;
import kha.graphics4.CubeMap;
import kha.graphics4.CullMode;
import kha.graphics4.IndexBuffer;
import kha.graphics4.MipMapFilter;
import kha.graphics4.PipelineState;
import kha.graphics4.StencilAction;
import kha.graphics4.TextureAddressing;
import kha.graphics4.TextureFilter;
import kha.graphics4.Usage;
import kha.graphics4.VertexBuffer;
import kha.graphics4.VertexStructure;
import kha.Image;
import kha.math.FastMatrix3;
import kha.math.FastMatrix4;
import kha.math.FastVector2;
import kha.math.FastVector3;
import kha.math.FastVector4;
import kha.WebGLImage;
class Graphics implements kha.graphics4.Graphics {
var currentPipeline: PipelineState = null;
var depthTest: Bool = false;
var depthMask: Bool = false;
var colorMaskRed: Bool = true;
var colorMaskGreen: Bool = true;
var colorMaskBlue: Bool = true;
var colorMaskAlpha: Bool = true;
var indicesCount: Int;
var renderTarget: Canvas;
var renderTargetFrameBuffer: Dynamic;
var renderTargetMSAA: Dynamic;
var renderTargetTexture: Dynamic;
var isCubeMap: Bool = false;
var isDepthAttachment: Bool = false;
var instancedExtension: Dynamic;
var blendMinMaxExtension: Dynamic;
static var current: Graphics = null;
static var useVertexAttributes: Int = 0;
public function new(renderTarget: Canvas = null) {
this.renderTarget = renderTarget;
init();
if (SystemImpl.gl2) {
instancedExtension = true;
}
else {
instancedExtension = SystemImpl.gl.getExtension("ANGLE_instanced_arrays");
blendMinMaxExtension = SystemImpl.gl.getExtension("EXT_blend_minmax");
}
}
function init() {
if (renderTarget == null)
return;
isCubeMap = Std.isOfType(renderTarget, CubeMap);
if (isCubeMap) {
var cubeMap: CubeMap = cast(renderTarget, CubeMap);
renderTargetFrameBuffer = cubeMap.frameBuffer;
renderTargetTexture = cubeMap.texture;
isDepthAttachment = cubeMap.isDepthAttachment;
}
else {
var image: WebGLImage = cast(renderTarget, WebGLImage);
renderTargetFrameBuffer = image.frameBuffer;
renderTargetMSAA = image.MSAAFrameBuffer;
renderTargetTexture = image.texture;
}
}
public function begin(additionalRenderTargets: Array<Canvas> = null): Void {
if (current == null) {
current = this;
}
else {
throw "End before you begin";
}
SystemImpl.gl.enable(GL.BLEND);
SystemImpl.gl.blendFunc(GL.SRC_ALPHA, GL.ONE_MINUS_SRC_ALPHA);
if (renderTarget == null) {
SystemImpl.gl.bindFramebuffer(GL.FRAMEBUFFER, null);
SystemImpl.gl.viewport(0, 0, System.windowWidth(), System.windowHeight());
}
else {
SystemImpl.gl.bindFramebuffer(GL.FRAMEBUFFER, renderTargetFrameBuffer);
// if (isCubeMap) SystemImpl.gl.framebufferTexture(GL.FRAMEBUFFER, GL.COLOR_ATTACHMENT0, GL.TEXTURE_CUBE_MAP, renderTargetTexture, 0); // Layered
SystemImpl.gl.viewport(0, 0, renderTarget.width, renderTarget.height);
if (additionalRenderTargets != null) {
SystemImpl.gl.framebufferTexture2D(GL.FRAMEBUFFER, SystemImpl.drawBuffers.COLOR_ATTACHMENT0_WEBGL, GL.TEXTURE_2D, renderTargetTexture, 0);
for (i in 0...additionalRenderTargets.length) {
SystemImpl.gl.framebufferTexture2D(GL.FRAMEBUFFER, SystemImpl.drawBuffers.COLOR_ATTACHMENT0_WEBGL + i + 1, GL.TEXTURE_2D,
cast(additionalRenderTargets[i], WebGLImage).texture, 0);
}
var attachments = [SystemImpl.drawBuffers.COLOR_ATTACHMENT0_WEBGL];
for (i in 0...additionalRenderTargets.length) {
attachments.push(SystemImpl.drawBuffers.COLOR_ATTACHMENT0_WEBGL + i + 1);
}
SystemImpl.gl2 ? untyped SystemImpl.gl.drawBuffers(attachments) : SystemImpl.drawBuffers.drawBuffersWEBGL(attachments);
}
}
}
public function beginFace(face: Int): Void {
if (current == null) {
current = this;
}
else {
throw "End before you begin";
}
SystemImpl.gl.enable(GL.BLEND);
SystemImpl.gl.blendFunc(GL.SRC_ALPHA, GL.ONE_MINUS_SRC_ALPHA);
SystemImpl.gl.bindFramebuffer(GL.FRAMEBUFFER, renderTargetFrameBuffer);
SystemImpl.gl.framebufferTexture2D(GL.FRAMEBUFFER, isDepthAttachment ? GL.DEPTH_ATTACHMENT : GL.COLOR_ATTACHMENT0,
GL.TEXTURE_CUBE_MAP_POSITIVE_X + face, renderTargetTexture, 0);
SystemImpl.gl.viewport(0, 0, renderTarget.width, renderTarget.height);
}
public function beginEye(eye: Int): Void {
if (current == null) {
current = this;
}
else {
throw "End before you begin";
}
SystemImpl.gl.enable(GL.BLEND);
SystemImpl.gl.blendFunc(GL.SRC_ALPHA, GL.ONE_MINUS_SRC_ALPHA);
SystemImpl.gl.bindFramebuffer(GL.FRAMEBUFFER, null);
if (eye == 0) {
SystemImpl.gl.viewport(0, 0, Std.int(System.windowWidth() * 0.5), System.windowHeight());
}
else {
SystemImpl.gl.viewport(Std.int(System.windowWidth() * 0.5), 0, Std.int(System.windowWidth() * 0.5), System.windowHeight());
}
}
public function end(): Void {
if (current == this) {
current = null;
}
else {
throw "Begin before you end";
}
if (renderTargetMSAA != null) {
untyped SystemImpl.gl.bindFramebuffer(SystemImpl.gl.READ_FRAMEBUFFER, renderTargetFrameBuffer);
untyped SystemImpl.gl.bindFramebuffer(SystemImpl.gl.DRAW_FRAMEBUFFER, renderTargetMSAA);
untyped SystemImpl.gl.blitFramebuffer(0, 0, renderTarget.width, renderTarget.height, 0, 0, renderTarget.width, renderTarget.height,
GL.COLOR_BUFFER_BIT, GL.NEAREST);
}
#if (debug || kha_debug_html5)
var error = SystemImpl.gl.getError();
switch (error) {
case GL.NO_ERROR:
case GL.INVALID_ENUM:
trace("WebGL error: Invalid enum");
case GL.INVALID_VALUE:
trace("WebGL error: Invalid value");
case GL.INVALID_OPERATION:
trace("WebGL error: Invalid operation");
case GL.INVALID_FRAMEBUFFER_OPERATION:
trace("WebGL error: Invalid framebuffer operation");
case GL.OUT_OF_MEMORY:
trace("WebGL error: Out of memory");
case GL.CONTEXT_LOST_WEBGL:
trace("WebGL error: Context lost");
default:
trace("Unknown WebGL error");
}
#end
}
public function flush(): Void {}
public function vsynced(): Bool {
return true;
}
public function refreshRate(): Int {
return 60;
}
public function clear(?color: Color, ?depth: Float, ?stencil: Int): Void {
var clearMask: Int = 0;
if (color != null) {
clearMask |= GL.COLOR_BUFFER_BIT;
SystemImpl.gl.colorMask(true, true, true, true);
SystemImpl.gl.clearColor(color.R, color.G, color.B, color.A);
}
if (depth != null) {
clearMask |= GL.DEPTH_BUFFER_BIT;
SystemImpl.gl.enable(GL.DEPTH_TEST);
SystemImpl.gl.depthMask(true);
SystemImpl.gl.clearDepth(depth);
}
if (stencil != null) {
clearMask |= GL.STENCIL_BUFFER_BIT;
SystemImpl.gl.enable(GL.STENCIL_TEST);
SystemImpl.gl.stencilMask(0xff);
SystemImpl.gl.clearStencil(stencil);
}
SystemImpl.gl.clear(clearMask);
SystemImpl.gl.colorMask(colorMaskRed, colorMaskGreen, colorMaskBlue, colorMaskAlpha);
if (depthTest) {
SystemImpl.gl.enable(GL.DEPTH_TEST);
}
else {
SystemImpl.gl.disable(GL.DEPTH_TEST);
}
SystemImpl.gl.depthMask(depthMask);
}
public function viewport(x: Int, y: Int, width: Int, height: Int): Void {
if (renderTarget == null) {
SystemImpl.gl.viewport(x, System.windowHeight(0) - y - height, width, height);
}
else {
SystemImpl.gl.viewport(x, y, width, height);
}
}
public function scissor(x: Int, y: Int, width: Int, height: Int): Void {
SystemImpl.gl.enable(GL.SCISSOR_TEST);
if (renderTarget == null) {
SystemImpl.gl.scissor(x, System.windowHeight(0) - y - height, width, height);
}
else {
SystemImpl.gl.scissor(x, y, width, height);
}
}
public function disableScissor(): Void {
SystemImpl.gl.disable(GL.SCISSOR_TEST);
}
public function setDepthMode(write: Bool, mode: CompareMode): Void {
switch (mode) {
case Always:
write ? SystemImpl.gl.enable(GL.DEPTH_TEST) : SystemImpl.gl.disable(GL.DEPTH_TEST);
depthTest = write;
SystemImpl.gl.depthFunc(GL.ALWAYS);
case Never:
SystemImpl.gl.enable(GL.DEPTH_TEST);
depthTest = true;
SystemImpl.gl.depthFunc(GL.NEVER);
case Equal:
SystemImpl.gl.enable(GL.DEPTH_TEST);
depthTest = true;
SystemImpl.gl.depthFunc(GL.EQUAL);
case NotEqual:
SystemImpl.gl.enable(GL.DEPTH_TEST);
depthTest = true;
SystemImpl.gl.depthFunc(GL.NOTEQUAL);
case Less:
SystemImpl.gl.enable(GL.DEPTH_TEST);
depthTest = true;
SystemImpl.gl.depthFunc(GL.LESS);
case LessEqual:
SystemImpl.gl.enable(GL.DEPTH_TEST);
depthTest = true;
SystemImpl.gl.depthFunc(GL.LEQUAL);
case Greater:
SystemImpl.gl.enable(GL.DEPTH_TEST);
depthTest = true;
SystemImpl.gl.depthFunc(GL.GREATER);
case GreaterEqual:
SystemImpl.gl.enable(GL.DEPTH_TEST);
depthTest = true;
SystemImpl.gl.depthFunc(GL.GEQUAL);
}
SystemImpl.gl.depthMask(write);
depthMask = write;
}
static function getBlendFunc(factor: BlendingFactor): Int {
switch (factor) {
case BlendZero, Undefined:
return GL.ZERO;
case BlendOne:
return GL.ONE;
case SourceAlpha:
return GL.SRC_ALPHA;
case DestinationAlpha:
return GL.DST_ALPHA;
case InverseSourceAlpha:
return GL.ONE_MINUS_SRC_ALPHA;
case InverseDestinationAlpha:
return GL.ONE_MINUS_DST_ALPHA;
case SourceColor:
return GL.SRC_COLOR;
case DestinationColor:
return GL.DST_COLOR;
case InverseSourceColor:
return GL.ONE_MINUS_SRC_COLOR;
case InverseDestinationColor:
return GL.ONE_MINUS_DST_COLOR;
}
}
static function getBlendOp(op: BlendingOperation): Int {
switch (op) {
case Add:
return GL.FUNC_ADD;
case Subtract:
return GL.FUNC_SUBTRACT;
case ReverseSubtract:
return GL.FUNC_REVERSE_SUBTRACT;
case Min:
return 0x8007;
case Max:
return 0x8008;
}
}
public function setBlendingMode(source: BlendingFactor, destination: BlendingFactor, operation: BlendingOperation, alphaSource: BlendingFactor,
alphaDestination: BlendingFactor, alphaOperation: BlendingOperation): Void {
if (source == BlendOne && destination == BlendZero) {
SystemImpl.gl.disable(GL.BLEND);
}
else {
SystemImpl.gl.enable(GL.BLEND);
SystemImpl.gl.blendFuncSeparate(getBlendFunc(source), getBlendFunc(destination), getBlendFunc(alphaSource), getBlendFunc(alphaDestination));
SystemImpl.gl.blendEquationSeparate(getBlendOp(operation), getBlendOp(alphaOperation));
}
}
public function createVertexBuffer(vertexCount: Int, structure: VertexStructure, usage: Usage, canRead: Bool = false): kha.graphics4.VertexBuffer {
return new VertexBuffer(vertexCount, structure, usage);
}
public function setVertexBuffer(vertexBuffer: kha.graphics4.VertexBuffer): Void {
for (i in 0...useVertexAttributes) {
SystemImpl.gl.disableVertexAttribArray(i);
}
useVertexAttributes = vertexBuffer.set(0);
}
public function setVertexBuffers(vertexBuffers: Array<kha.graphics4.VertexBuffer>): Void {
for (i in 0...useVertexAttributes) {
SystemImpl.gl.disableVertexAttribArray(i);
}
var offset: Int = 0;
for (vertexBuffer in vertexBuffers) {
offset += vertexBuffer.set(offset);
}
useVertexAttributes = offset;
}
public function createIndexBuffer(indexCount: Int, usage: Usage, canRead: Bool = false): kha.graphics4.IndexBuffer {
return new IndexBuffer(indexCount, usage);
}
public function setIndexBuffer(indexBuffer: kha.graphics4.IndexBuffer): Void {
indicesCount = indexBuffer.count();
indexBuffer.set();
}
// public function maxTextureSize(): Int {
// return Sys.gl == null ? 8192 : Sys.gl.getParameter(Sys.gl.MAX_TEXTURE_SIZE);
// }
// public function supportsNonPow2Textures(): Bool {
// return false;
// }
public function setTexture(stage: kha.graphics4.TextureUnit, texture: kha.Image): Void {
if (texture == null) {
SystemImpl.gl.activeTexture(GL.TEXTURE0 + (cast stage : TextureUnit).value);
SystemImpl.gl.bindTexture(GL.TEXTURE_2D, null);
}
else {
cast(texture, WebGLImage).set((cast stage : TextureUnit).value);
}
}
public function setTextureDepth(stage: kha.graphics4.TextureUnit, texture: kha.Image): Void {
cast(texture, WebGLImage).setDepth((cast stage : TextureUnit).value);
}
public function setTextureArray(unit: kha.graphics4.TextureUnit, texture: kha.Image): Void {
// not implemented yet.
}
public function setVideoTexture(unit: kha.graphics4.TextureUnit, texture: kha.Video): Void {
if (texture == null) {
SystemImpl.gl.activeTexture(GL.TEXTURE0 + (cast unit : TextureUnit).value);
SystemImpl.gl.bindTexture(GL.TEXTURE_2D, null);
}
else {
cast((cast texture : kha.js.Video).texture, WebGLImage).set((cast unit : TextureUnit).value);
}
}
public function setImageTexture(unit: kha.graphics4.TextureUnit, texture: kha.Image): Void {}
public function setTextureParameters(texunit: kha.graphics4.TextureUnit, uAddressing: TextureAddressing, vAddressing: TextureAddressing,
minificationFilter: TextureFilter, magnificationFilter: TextureFilter, mipmapFilter: MipMapFilter): Void {
SystemImpl.gl.activeTexture(GL.TEXTURE0 + (cast texunit : TextureUnit).value);
switch (uAddressing) {
case Clamp:
SystemImpl.gl.texParameteri(GL.TEXTURE_2D, GL.TEXTURE_WRAP_S, GL.CLAMP_TO_EDGE);
case Repeat:
SystemImpl.gl.texParameteri(GL.TEXTURE_2D, GL.TEXTURE_WRAP_S, GL.REPEAT);
case Mirror:
SystemImpl.gl.texParameteri(GL.TEXTURE_2D, GL.TEXTURE_WRAP_S, GL.MIRRORED_REPEAT);
}
switch (vAddressing) {
case Clamp:
SystemImpl.gl.texParameteri(GL.TEXTURE_2D, GL.TEXTURE_WRAP_T, GL.CLAMP_TO_EDGE);
case Repeat:
SystemImpl.gl.texParameteri(GL.TEXTURE_2D, GL.TEXTURE_WRAP_T, GL.REPEAT);
case Mirror:
SystemImpl.gl.texParameteri(GL.TEXTURE_2D, GL.TEXTURE_WRAP_T, GL.MIRRORED_REPEAT);
}
switch (minificationFilter) {
case PointFilter:
switch (mipmapFilter) {
case NoMipFilter:
SystemImpl.gl.texParameteri(GL.TEXTURE_2D, GL.TEXTURE_MIN_FILTER, GL.NEAREST);
case PointMipFilter:
SystemImpl.gl.texParameteri(GL.TEXTURE_2D, GL.TEXTURE_MIN_FILTER, GL.NEAREST_MIPMAP_NEAREST);
case LinearMipFilter:
SystemImpl.gl.texParameteri(GL.TEXTURE_2D, GL.TEXTURE_MIN_FILTER, GL.NEAREST_MIPMAP_LINEAR);
}
case LinearFilter, AnisotropicFilter:
switch (mipmapFilter) {
case NoMipFilter:
SystemImpl.gl.texParameteri(GL.TEXTURE_2D, GL.TEXTURE_MIN_FILTER, GL.LINEAR);
case PointMipFilter:
SystemImpl.gl.texParameteri(GL.TEXTURE_2D, GL.TEXTURE_MIN_FILTER, GL.LINEAR_MIPMAP_NEAREST);
case LinearMipFilter:
SystemImpl.gl.texParameteri(GL.TEXTURE_2D, GL.TEXTURE_MIN_FILTER, GL.LINEAR_MIPMAP_LINEAR);
}
if (minificationFilter == AnisotropicFilter) {
SystemImpl.gl.texParameteri(GL.TEXTURE_2D, SystemImpl.anisotropicFilter.TEXTURE_MAX_ANISOTROPY_EXT, 4);
}
}
switch (magnificationFilter) {
case PointFilter:
SystemImpl.gl.texParameteri(GL.TEXTURE_2D, GL.TEXTURE_MAG_FILTER, GL.NEAREST);
case LinearFilter, AnisotropicFilter:
SystemImpl.gl.texParameteri(GL.TEXTURE_2D, GL.TEXTURE_MAG_FILTER, GL.LINEAR);
}
}
public function setTexture3DParameters(texunit: kha.graphics4.TextureUnit, uAddressing: TextureAddressing, vAddressing: TextureAddressing,
wAddressing: TextureAddressing, minificationFilter: TextureFilter, magnificationFilter: TextureFilter, mipmapFilter: MipMapFilter): Void {}
public function setTextureCompareMode(texunit: kha.graphics4.TextureUnit, enabled: Bool) {
if (enabled) {
SystemImpl.gl.texParameteri(GL.TEXTURE_2D, GL2.TEXTURE_COMPARE_MODE, GL2.COMPARE_REF_TO_TEXTURE);
SystemImpl.gl.texParameteri(GL.TEXTURE_2D, GL2.TEXTURE_COMPARE_FUNC, GL.LEQUAL);
}
else {
SystemImpl.gl.texParameteri(GL.TEXTURE_2D, GL2.TEXTURE_COMPARE_MODE, GL.NONE);
}
}
public function setCubeMapCompareMode(texunit: kha.graphics4.TextureUnit, enabled: Bool) {
if (enabled) {
SystemImpl.gl.texParameteri(GL.TEXTURE_CUBE_MAP, GL2.TEXTURE_COMPARE_MODE, GL2.COMPARE_REF_TO_TEXTURE);
SystemImpl.gl.texParameteri(GL.TEXTURE_CUBE_MAP, GL2.TEXTURE_COMPARE_FUNC, GL.LEQUAL);
}
else {
SystemImpl.gl.texParameteri(GL.TEXTURE_CUBE_MAP, GL2.TEXTURE_COMPARE_MODE, GL.NONE);
}
}
public function setCubeMap(stage: kha.graphics4.TextureUnit, cubeMap: kha.graphics4.CubeMap): Void {
if (cubeMap == null) {
SystemImpl.gl.activeTexture(GL.TEXTURE0 + (cast stage : TextureUnit).value);
SystemImpl.gl.bindTexture(GL.TEXTURE_CUBE_MAP, null);
}
else {
cubeMap.set((cast stage : TextureUnit).value);
}
}
public function setCubeMapDepth(stage: kha.graphics4.TextureUnit, cubeMap: kha.graphics4.CubeMap): Void {
cubeMap.setDepth((cast stage : TextureUnit).value);
}
public function maxBoundTextures(): Int {
return SystemImpl.gl.getParameter(GL.MAX_TEXTURE_IMAGE_UNITS);
}
public function setCullMode(mode: CullMode): Void {
switch (mode) {
case None:
SystemImpl.gl.disable(GL.CULL_FACE);
case Clockwise:
SystemImpl.gl.enable(GL.CULL_FACE);
SystemImpl.gl.cullFace(GL.BACK);
case CounterClockwise:
SystemImpl.gl.enable(GL.CULL_FACE);
SystemImpl.gl.cullFace(GL.FRONT);
}
}
public function setPipeline(pipe: PipelineState): Void {
setCullMode(pipe.cullMode);
setDepthMode(pipe.depthWrite, pipe.depthMode);
if (pipe.stencilFrontMode == Always && pipe.stencilBackMode == Always && pipe.stencilFrontBothPass == Keep && pipe.stencilBackBothPass == Keep
&& pipe.stencilFrontDepthFail == Keep && pipe.stencilBackDepthFail == Keep && pipe.stencilFrontFail == Keep && pipe.stencilBackFail == Keep) {
SystemImpl.gl.disable(GL.STENCIL_TEST);
}
else {
SystemImpl.gl.enable(GL.STENCIL_TEST);
setStencilParameters(true, pipe.stencilFrontMode, pipe.stencilFrontBothPass, pipe.stencilFrontDepthFail, pipe.stencilFrontFail,
pipe.stencilReferenceValue, pipe.stencilReadMask, pipe.stencilWriteMask);
setStencilParameters(false, pipe.stencilBackMode, pipe.stencilBackBothPass, pipe.stencilBackDepthFail, pipe.stencilBackFail,
pipe.stencilReferenceValue, pipe.stencilReadMask, pipe.stencilWriteMask);
}
setBlendingMode(pipe.blendSource, pipe.blendDestination, pipe.blendOperation, pipe.alphaBlendSource, pipe.alphaBlendDestination,
pipe.alphaBlendOperation);
currentPipeline = pipe;
pipe.set();
colorMaskRed = pipe.colorWriteMaskRed;
colorMaskGreen = pipe.colorWriteMaskGreen;
colorMaskBlue = pipe.colorWriteMaskBlue;
colorMaskAlpha = pipe.colorWriteMaskAlpha;
}
public function setStencilReferenceValue(value: Int): Void {
SystemImpl.gl.stencilFuncSeparate(GL.FRONT, convertCompareMode(currentPipeline.stencilFrontMode), value, currentPipeline.stencilReadMask);
SystemImpl.gl.stencilFuncSeparate(GL.BACK, convertCompareMode(currentPipeline.stencilBackMode), value, currentPipeline.stencilReadMask);
}
public function setBool(location: kha.graphics4.ConstantLocation, value: Bool): Void {
SystemImpl.gl.uniform1i((cast location : ConstantLocation).value, value ? 1 : 0);
}
public function setInt(location: kha.graphics4.ConstantLocation, value: Int): Void {
SystemImpl.gl.uniform1i((cast location : ConstantLocation).value, value);
}
public function setInt2(location: kha.graphics4.ConstantLocation, value1: Int, value2: Int): Void {
SystemImpl.gl.uniform2i((cast location : ConstantLocation).value, value1, value2);
}
public function setInt3(location: kha.graphics4.ConstantLocation, value1: Int, value2: Int, value3: Int): Void {
SystemImpl.gl.uniform3i((cast location : ConstantLocation).value, value1, value2, value3);
}
public function setInt4(location: kha.graphics4.ConstantLocation, value1: Int, value2: Int, value3: Int, value4: Int): Void {
SystemImpl.gl.uniform4i((cast location : ConstantLocation).value, value1, value2, value3, value4);
}
public function setInts(location: kha.graphics4.ConstantLocation, values: Int32Array): Void {
var webglLocation = (cast location : ConstantLocation);
var rawValues = new js.lib.Int32Array(values.buffer, values.byteOffset, values.length);
switch (webglLocation.type) {
case GL.INT_VEC2:
SystemImpl.gl.uniform2iv(webglLocation.value, rawValues);
case GL.INT_VEC3:
SystemImpl.gl.uniform3iv(webglLocation.value, rawValues);
case GL.INT_VEC4:
SystemImpl.gl.uniform4iv(webglLocation.value, rawValues);
default:
SystemImpl.gl.uniform1iv(webglLocation.value, rawValues);
}
}
public function setFloat(location: kha.graphics4.ConstantLocation, value: FastFloat): Void {
SystemImpl.gl.uniform1f((cast location : ConstantLocation).value, value);
}
public function setFloat2(location: kha.graphics4.ConstantLocation, value1: FastFloat, value2: FastFloat): Void {
SystemImpl.gl.uniform2f((cast location : ConstantLocation).value, value1, value2);
}
public function setFloat3(location: kha.graphics4.ConstantLocation, value1: FastFloat, value2: FastFloat, value3: FastFloat): Void {
SystemImpl.gl.uniform3f((cast location : ConstantLocation).value, value1, value2, value3);
}
public function setFloat4(location: kha.graphics4.ConstantLocation, value1: FastFloat, value2: FastFloat, value3: FastFloat, value4: FastFloat): Void {
SystemImpl.gl.uniform4f((cast location : ConstantLocation).value, value1, value2, value3, value4);
}
public function setFloats(location: kha.graphics4.ConstantLocation, values: Float32Array): Void {
var webglLocation = (cast location : ConstantLocation);
var rawValues = new js.lib.Float32Array(values.buffer, values.byteOffset, values.length);
switch (webglLocation.type) {
case GL.FLOAT_VEC2:
SystemImpl.gl.uniform2fv(webglLocation.value, rawValues);
case GL.FLOAT_VEC3:
SystemImpl.gl.uniform3fv(webglLocation.value, rawValues);
case GL.FLOAT_VEC4:
SystemImpl.gl.uniform4fv(webglLocation.value, rawValues);
case GL.FLOAT_MAT4:
SystemImpl.gl.uniformMatrix4fv(webglLocation.value, false, rawValues);
default:
SystemImpl.gl.uniform1fv(webglLocation.value, rawValues);
}
}
public function setVector2(location: kha.graphics4.ConstantLocation, value: FastVector2): Void {
SystemImpl.gl.uniform2f((cast location : ConstantLocation).value, value.x, value.y);
}
public function setVector3(location: kha.graphics4.ConstantLocation, value: FastVector3): Void {
SystemImpl.gl.uniform3f((cast location : ConstantLocation).value, value.x, value.y, value.z);
}
public function setVector4(location: kha.graphics4.ConstantLocation, value: FastVector4): Void {
SystemImpl.gl.uniform4f((cast location : ConstantLocation).value, value.x, value.y, value.z, value.w);
}
static var matrixCache = new js.lib.Float32Array(16);
public inline function setMatrix(location: kha.graphics4.ConstantLocation, matrix: FastMatrix4): Void {
matrixCache[0] = matrix._00;
matrixCache[1] = matrix._01;
matrixCache[2] = matrix._02;
matrixCache[3] = matrix._03;
matrixCache[4] = matrix._10;
matrixCache[5] = matrix._11;
matrixCache[6] = matrix._12;
matrixCache[7] = matrix._13;
matrixCache[8] = matrix._20;
matrixCache[9] = matrix._21;
matrixCache[10] = matrix._22;
matrixCache[11] = matrix._23;
matrixCache[12] = matrix._30;
matrixCache[13] = matrix._31;
matrixCache[14] = matrix._32;
matrixCache[15] = matrix._33;
SystemImpl.gl.uniformMatrix4fv((cast location : ConstantLocation).value, false, matrixCache);
}
static var matrix3Cache = new js.lib.Float32Array(9);
public inline function setMatrix3(location: kha.graphics4.ConstantLocation, matrix: FastMatrix3): Void {
matrix3Cache[0] = matrix._00;
matrix3Cache[1] = matrix._01;
matrix3Cache[2] = matrix._02;
matrix3Cache[3] = matrix._10;
matrix3Cache[4] = matrix._11;
matrix3Cache[5] = matrix._12;
matrix3Cache[6] = matrix._20;
matrix3Cache[7] = matrix._21;
matrix3Cache[8] = matrix._22;
SystemImpl.gl.uniformMatrix3fv((cast location : ConstantLocation).value, false, matrix3Cache);
}
public function drawIndexedVertices(start: Int = 0, count: Int = -1): Void {
var type = SystemImpl.elementIndexUint == null ? GL.UNSIGNED_SHORT : GL.UNSIGNED_INT;
var size = type == GL.UNSIGNED_SHORT ? 2 : 4;
SystemImpl.gl.drawElements(GL.TRIANGLES, count == -1 ? indicesCount : count, type, start * size);
}
function convertStencilAction(action: StencilAction) {
switch (action) {
case StencilAction.Decrement:
return GL.DECR;
case StencilAction.DecrementWrap:
return GL.DECR_WRAP;
case StencilAction.Increment:
return GL.INCR;
case StencilAction.IncrementWrap:
return GL.INCR_WRAP;
case StencilAction.Invert:
return GL.INVERT;
case StencilAction.Keep:
return GL.KEEP;
case StencilAction.Replace:
return GL.REPLACE;
case StencilAction.Zero:
return GL.ZERO;
}
}
function convertCompareMode(compareMode: CompareMode) {
switch (compareMode) {
case Always:
return GL.ALWAYS;
case Equal:
return GL.EQUAL;
case Greater:
return GL.GREATER;
case GreaterEqual:
return GL.GEQUAL;
case Less:
return GL.LESS;
case LessEqual:
return GL.LEQUAL;
case Never:
return GL.NEVER;
case NotEqual:
return GL.NOTEQUAL;
}
}
public function setStencilParameters(front: Bool, compareMode: CompareMode, bothPass: StencilAction, depthFail: StencilAction, stencilFail: StencilAction,
referenceValue: StencilValue, readMask: Int = 0xff, writeMask: Int = 0xff): Void {
var stencilFunc = convertCompareMode(compareMode);
SystemImpl.gl.stencilMaskSeparate(front ? GL.FRONT : GL.BACK, writeMask);
SystemImpl.gl.stencilOpSeparate(front ? GL.FRONT : GL.BACK, convertStencilAction(stencilFail), convertStencilAction(depthFail),
convertStencilAction(bothPass));
switch (referenceValue) {
case Static(value):
SystemImpl.gl.stencilFuncSeparate(front ? GL.FRONT : GL.BACK, stencilFunc, value, readMask);
case Dynamic:
SystemImpl.gl.stencilFuncSeparate(front ? GL.FRONT : GL.BACK, stencilFunc, 0, readMask);
}
}
public function drawIndexedVerticesInstanced(instanceCount: Int, start: Int = 0, count: Int = -1) {
if (instancedRenderingAvailable()) {
var type = SystemImpl.elementIndexUint == null ? GL.UNSIGNED_SHORT : GL.UNSIGNED_INT;
var typeSize = SystemImpl.elementIndexUint == null ? 2 : 4;
if (SystemImpl.gl2) {
untyped SystemImpl.gl.drawElementsInstanced(GL.TRIANGLES, count == -1 ? indicesCount : count, type, start * typeSize, instanceCount);
}
else {
instancedExtension.drawElementsInstancedANGLE(GL.TRIANGLES, count == -1 ? indicesCount : count, type, start * typeSize, instanceCount);
}
}
}
public function instancedRenderingAvailable(): Bool {
return instancedExtension;
}
}