forked from LeenkxTeam/LNXSDK
920 lines
26 KiB
Haxe
920 lines
26 KiB
Haxe
package iron;
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import kha.Image;
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import kha.Color;
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import kha.Scheduler;
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import kha.graphics4.Graphics;
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import kha.graphics4.CubeMap;
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import kha.graphics4.DepthStencilFormat;
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import kha.graphics4.TextureFormat;
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import iron.system.Time;
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import iron.data.SceneFormat;
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import iron.data.MaterialData;
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import iron.data.ShaderData;
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import iron.data.ConstData;
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import iron.data.Data;
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import iron.object.Object;
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import iron.object.LightObject;
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import iron.object.MeshObject;
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import iron.object.Uniforms;
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import iron.object.Clipmap;
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class RenderPath {
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public static var active: RenderPath;
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public var frameScissor = false;
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public var frameScissorX = 0;
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public var frameScissorY = 0;
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public var frameScissorW = 0;
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public var frameScissorH = 0;
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public var frameTime = 0.0;
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public var frame = 0;
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public var currentTarget: RenderTarget = null;
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public var currentFace: Int;
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public var light: LightObject = null;
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public var sun: LightObject = null;
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public var point: LightObject = null;
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#if rp_probes
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public var currentProbeIndex = 0;
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#end
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public var isProbePlanar = false;
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public var isProbeCube = false;
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public var isProbe = false;
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public var currentG: Graphics = null;
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public var frameG: Graphics;
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public var drawOrder = DrawOrder.Distance;
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public var paused = false;
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public var ready(get, null): Bool;
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function get_ready(): Bool { return loading == 0; }
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public var commands: Void->Void = null;
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public var setupDepthTexture: Void->Void = null;
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public var renderTargets: Map<String, RenderTarget> = new Map();
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public var depthToRenderTarget: Map<String, RenderTarget> = new Map();
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public var currentW: Int;
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public var currentH: Int;
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public var currentD: Int;
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var lastW = 0;
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var lastH = 0;
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var bindParams: Array<String>;
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var meshesSorted: Bool;
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var scissorSet = false;
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var viewportScaled = false;
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var lastFrameTime = 0.0;
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var loading = 0;
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var cachedShaderContexts: Map<String, CachedShaderContext> = new Map();
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var depthBuffers: Array<{name: String, format: String}> = [];
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var additionalTargets: Array<kha.Canvas>;
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#if (rp_voxels != "Off")
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public static var pre_clear = true;
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public static var res_pre_clear = true;
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public static var clipmapLevel = 0;
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public static var clipmaps:Array<Clipmap>;
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public static inline function getVoxelRes(): Int {
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#if (rp_voxelgi_resolution == 512)
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return 512;
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#elseif (rp_voxelgi_resolution == 256)
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return 256;
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#elseif (rp_voxelgi_resolution == 128)
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return 128;
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#elseif (rp_voxelgi_resolution == 64)
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return 64;
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#elseif (rp_voxelgi_resolution == 32)
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return 32;
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#elseif (rp_voxelgi_resolution == 16)
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return 16;
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#else
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return 0;
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#end
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}
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public static inline function getVoxelResZ(): Float {
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#if (rp_voxelgi_resolution_z == 1.0)
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return 1.0;
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#elseif (rp_voxelgi_resolution_z == 0.5)
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return 0.5;
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#elseif (rp_voxelgi_resolution_z == 0.25)
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return 0.25;
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#elseif (rp_voxelgi_resolution_z == 0.125)
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return 0.125;
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#else
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return 0.0;
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#end
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}
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#end
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#if lnx_debug
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public static var drawCalls = 0;
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public static var batchBuckets = 0;
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public static var batchCalls = 0;
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public static var culled = 0;
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public static var numTrisMesh = 0;
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public static var numTrisShadow = 0;
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#end
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public static function setActive(renderPath: RenderPath) {
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active = renderPath;
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}
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public function new() {}
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public function renderFrame(g: Graphics) {
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if (!ready || paused || iron.App.w() == 0 || iron.App.h() == 0) return;
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if (lastW > 0 && (lastW != iron.App.w() || lastH != iron.App.h())) resize();
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lastW = iron.App.w();
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lastH = iron.App.h();
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frameTime = Time.time() - lastFrameTime;
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lastFrameTime = Time.time();
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#if lnx_debug
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drawCalls = 0;
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batchBuckets = 0;
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batchCalls = 0;
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culled = 0;
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numTrisMesh = 0;
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numTrisShadow = 0;
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#end
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#if (rp_voxels != "Off")
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clipmapLevel = (clipmapLevel + 1) % Main.voxelgiClipmapCount;
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var clipmap = clipmaps[clipmapLevel];
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clipmap.voxelSize = clipmaps[0].voxelSize * Math.pow(2.0, clipmapLevel);
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var texelSize = 2.0 * clipmap.voxelSize;
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var camera = iron.Scene.active.camera;
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var center = new iron.math.Vec3(
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Math.floor(camera.transform.worldx() / texelSize) * texelSize,
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Math.floor(camera.transform.worldy() / texelSize) * texelSize,
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Math.floor(camera.transform.worldz() / texelSize) * texelSize
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);
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clipmap.offset_prev.x = Std.int((clipmap.center.x - center.x) / texelSize);
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clipmap.offset_prev.y = Std.int((clipmap.center.y - center.y) / texelSize);
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clipmap.offset_prev.z = Std.int((clipmap.center.z - center.z) / texelSize);
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clipmap.center = center;
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var res = getVoxelRes();
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var resZ = getVoxelResZ();
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var extents = new iron.math.Vec3(clipmap.voxelSize * res, clipmap.voxelSize * res, clipmap.voxelSize * resZ);
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if (clipmap.extents.x != extents.x || clipmap.extents.y != extents.y || clipmap.extents.z != extents.z)
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{
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pre_clear = true;
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}
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clipmap.extents = extents;
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#end
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// Render to screen or probe
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var cam = Scene.active.camera;
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isProbePlanar = cam != null && cam.renderTarget != null;
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isProbeCube = cam != null && cam.renderTargetCube != null;
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isProbe = isProbePlanar || isProbeCube;
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if (isProbePlanar) frameG = cam.renderTarget.g4;
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else if (isProbeCube) frameG = cam.renderTargetCube.g4;
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else frameG = g;
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currentW = iron.App.w();
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currentH = iron.App.h();
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currentD = 1;
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currentFace = -1;
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meshesSorted = false;
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for (l in Scene.active.lights) {
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if (l.visible) l.buildMatrix(Scene.active.camera);
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if (l.data.raw.type == "sun") sun = l;
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else point = l;
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}
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light = Scene.active.lights[0];
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commands();
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if (!isProbe) frame++;
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}
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public function setTarget(target: String, additional: Array<String> = null, viewportScale = 1.0) {
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if (target == "") { // Framebuffer
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currentD = 1;
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currentTarget = null;
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currentFace = -1;
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if (isProbeCube) {
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currentW = Scene.active.camera.renderTargetCube.width;
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currentH = Scene.active.camera.renderTargetCube.height;
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begin(frameG, Scene.active.camera.currentFace);
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}
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else { // Screen, planar probe
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currentW = iron.App.w();
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currentH = iron.App.h();
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if (frameScissor) setFrameScissor();
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begin(frameG);
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if (!isProbe) {
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setCurrentViewport(iron.App.w(), iron.App.h());
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setCurrentScissor(iron.App.w(), iron.App.h());
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}
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}
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}
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else { // Render target
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var rt = renderTargets.get(target);
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currentTarget = rt;
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var additionalImages: Array<kha.Canvas> = null;
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if (additional != null) {
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additionalImages = [];
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for (s in additional) {
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var t = renderTargets.get(s);
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additionalImages.push(t.image);
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}
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}
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var targetG = rt.isCubeMap ? rt.cubeMap.g4 : rt.image.g4;
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currentW = rt.isCubeMap ? rt.cubeMap.width : rt.image.width;
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currentH = rt.isCubeMap ? rt.cubeMap.height : rt.image.height;
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if (rt.is3D) currentD = rt.image.depth;
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begin(targetG, additionalImages, currentFace);
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}
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if (viewportScale != 1.0) {
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viewportScaled = true;
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var viewW = Std.int(currentW * viewportScale);
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var viewH = Std.int(currentH * viewportScale);
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currentG.viewport(0, viewH, viewW, viewH);
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currentG.scissor(0, viewH, viewW, viewH);
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}
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else if (viewportScaled) { // Reset viewport
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viewportScaled = false;
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setCurrentViewport(currentW, currentH);
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setCurrentScissor(currentW, currentH);
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}
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bindParams = null;
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}
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public function setDepthFrom(target: String, from: String) {
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var rt = renderTargets.get(target);
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rt.image.setDepthStencilFrom(renderTargets.get(from).image);
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}
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inline function begin(g: Graphics, additionalRenderTargets: Array<kha.Canvas> = null, face = -1) {
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if (currentG != null) end();
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currentG = g;
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additionalTargets = additionalRenderTargets;
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face >= 0 ? g.beginFace(face) : g.begin(additionalRenderTargets);
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}
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inline function end() {
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if (scissorSet) {
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currentG.disableScissor();
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scissorSet = false;
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}
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currentG.end();
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currentG = null;
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bindParams = null;
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}
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public function setCurrentViewportWithOffset(viewW:Int, viewH:Int, offsetX: Int, offsetY: Int) {
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currentG.viewport(iron.App.x() + offsetX, currentH - viewH + iron.App.y() - offsetY, viewW, viewH);
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}
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public function setCurrentViewport(viewW: Int, viewH: Int) {
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currentG.viewport(iron.App.x(), currentH - (viewH - iron.App.y()), viewW, viewH);
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}
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public function setCurrentScissor(viewW: Int, viewH: Int) {
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currentG.scissor(iron.App.x(), currentH - (viewH - iron.App.y()), viewW, viewH);
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scissorSet = true;
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}
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public function setFrameScissor() {
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frameG.scissor(frameScissorX, currentH - (frameScissorH - frameScissorY), frameScissorW, frameScissorH);
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}
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public function setViewport(viewW: Int, viewH: Int) {
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setCurrentViewport(viewW, viewH);
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setCurrentScissor(viewW, viewH);
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}
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public function clearTarget(colorFlag: Null<Int> = null, depthFlag: Null<Float> = null) {
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if (colorFlag == -1) { // -1 == 0xffffffff
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if (Scene.active.world != null) {
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colorFlag = Scene.active.world.raw.background_color;
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}
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else if (Scene.active.camera != null) {
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var cc = Scene.active.camera.data.raw.clear_color;
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if (cc != null) colorFlag = kha.Color.fromFloats(cc[0], cc[1], cc[2]);
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}
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}
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currentG.clear(colorFlag, depthFlag, null);
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}
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public function clearImage(target: String, color: Int) {
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var rt = renderTargets.get(target);
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rt.image.clear(0, 0, 0, rt.image.width, rt.image.height, rt.image.depth, color);
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}
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public function generateMipmaps(target: String) {
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var rt = renderTargets.get(target);
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rt.image.generateMipmaps(1000);
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}
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static inline function boolToInt(b: Bool): Int {
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return b ? 1 : 0;
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}
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public static function sortMeshesDistance(meshes: Array<MeshObject>) {
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meshes.sort(function(a, b): Int {
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#if rp_depth_texture
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var depthDiff = boolToInt(a.depthRead) - boolToInt(b.depthRead);
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if (depthDiff != 0) return depthDiff;
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#end
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return a.cameraDistance >= b.cameraDistance ? 1 : -1;
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});
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}
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public static function sortMeshesShader(meshes: Array<MeshObject>) {
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meshes.sort(function(a, b): Int {
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#if rp_depth_texture
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var depthDiff = boolToInt(a.depthRead) - boolToInt(b.depthRead);
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if (depthDiff != 0) return depthDiff;
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#end
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return a.materials[0].shader.sortingOrder >= b.materials[0].shader.sortingOrder ? 1 : -1;
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});
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}
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public function drawMeshes(context: String) {
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var isShadows = context == "shadowmap";
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if (isShadows) {
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// Disabled shadow casting for this light
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if (light == null || !light.data.raw.cast_shadow || !light.visible || light.data.raw.strength == 0) return;
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}
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// Single face attached
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if (currentFace >= 0 && light != null) light.setCubeFace(currentFace, Scene.active.camera);
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var drawn = false;
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#if lnx_csm
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if (isShadows && light.data.raw.type == "sun") {
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var step = currentH; // Atlas with tiles on x axis
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for (i in 0...LightObject.cascadeCount) {
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light.setCascade(Scene.active.camera, i);
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currentG.viewport(i * step, 0, step, step);
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submitDraw(context);
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}
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drawn = true;
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}
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#end
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#if lnx_clusters
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if (context == "mesh") LightObject.updateClusters(Scene.active.camera);
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#end
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if (!drawn) submitDraw(context);
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#if lnx_debug
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// Callbacks to specific context
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if (contextEvents != null) {
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var ar = contextEvents.get(context);
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if (ar != null) for (i in 0...ar.length) ar[i](currentG, i, ar.length);
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}
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#end
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end();
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}
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@:access(iron.object.MeshObject)
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function submitDraw(context: String) {
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var camera = Scene.active.camera;
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var meshes = Scene.active.meshes;
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MeshObject.lastPipeline = null;
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if (!meshesSorted && camera != null) { // Order max once per frame for now
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var camX = camera.transform.worldx();
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var camY = camera.transform.worldy();
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var camZ = camera.transform.worldz();
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for (mesh in meshes) {
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mesh.computeCameraDistance(camX, camY, camZ);
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mesh.computeDepthRead();
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}
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#if lnx_batch
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sortMeshesDistance(Scene.active.meshBatch.nonBatched);
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#else
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drawOrder == DrawOrder.Shader ? sortMeshesShader(meshes) : sortMeshesDistance(meshes);
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#end
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meshesSorted = true;
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}
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#if lnx_batch
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Scene.active.meshBatch.render(currentG, context, bindParams);
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#else
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inline meshRenderLoop(currentG, context, bindParams, meshes);
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#end
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}
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static inline function meshRenderLoop(g: Graphics, context: String, _bindParams: Array<String>, _meshes: Array<MeshObject>) {
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var isReadingDepth = false;
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for (m in _meshes) {
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#if rp_depth_texture
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// First mesh that reads depth
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if (!isReadingDepth && m.depthRead) {
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if (context == "mesh") {
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// Copy the depth buffer so that we can read from it while writing
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active.setupDepthTexture();
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}
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#if rp_depthprepass
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else if (context == "depth") {
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// Don't render in depth prepass
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break;
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}
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#end
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isReadingDepth = true;
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}
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#end
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m.render(g, context, _bindParams);
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}
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}
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#if lnx_debug
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static var contextEvents: Map<String, Array<Graphics->Int->Int->Void>> = null;
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public static function notifyOnContext(name: String, onContext: Graphics->Int->Int->Void) {
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if (contextEvents == null) contextEvents = new Map();
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var ar = contextEvents.get(name);
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if (ar == null) {
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ar = [];
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contextEvents.set(name, ar);
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}
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ar.push(onContext);
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}
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#end
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#if rp_decals
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public function drawDecals(context: String) {
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if (ConstData.boxVB == null) ConstData.createBoxData();
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for (decal in Scene.active.decals) {
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decal.render(currentG, context, bindParams);
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}
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end();
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}
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#end
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public function drawSkydome(handle: String) {
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if (ConstData.skydomeVB == null) ConstData.createSkydomeData();
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var cc: CachedShaderContext = cachedShaderContexts.get(handle);
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if (cc.context == null) return; // World data not specified
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currentG.setPipeline(cc.context.pipeState);
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Uniforms.setContextConstants(currentG, cc.context, bindParams);
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Uniforms.setObjectConstants(currentG, cc.context, null); // External hosek
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#if lnx_deinterleaved
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currentG.setVertexBuffers(ConstData.skydomeVB);
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#else
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currentG.setVertexBuffer(ConstData.skydomeVB);
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#end
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currentG.setIndexBuffer(ConstData.skydomeIB);
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currentG.drawIndexedVertices();
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end();
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}
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#if rp_probes
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public function drawVolume(object: Object, handle: String) {
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if (ConstData.boxVB == null) ConstData.createBoxData();
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var cc: CachedShaderContext = cachedShaderContexts.get(handle);
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currentG.setPipeline(cc.context.pipeState);
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Uniforms.setContextConstants(currentG, cc.context, bindParams);
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Uniforms.setObjectConstants(currentG, cc.context, object);
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currentG.setVertexBuffer(ConstData.boxVB);
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currentG.setIndexBuffer(ConstData.boxIB);
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currentG.drawIndexedVertices();
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end();
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}
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#end
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public function bindTarget(target: String, uniform: String) {
|
|
if (bindParams != null) {
|
|
bindParams.push(target);
|
|
bindParams.push(uniform);
|
|
}
|
|
else bindParams = [target, uniform];
|
|
}
|
|
|
|
// Full-screen triangle
|
|
public function drawShader(handle: String) {
|
|
// file/data_name/context
|
|
var cc: CachedShaderContext = cachedShaderContexts.get(handle);
|
|
if (ConstData.screenAlignedVB == null) ConstData.createScreenAlignedData();
|
|
currentG.setPipeline(cc.context.pipeState);
|
|
Uniforms.setContextConstants(currentG, cc.context, bindParams);
|
|
Uniforms.setObjectConstants(currentG, cc.context, null);
|
|
currentG.setVertexBuffer(ConstData.screenAlignedVB);
|
|
currentG.setIndexBuffer(ConstData.screenAlignedIB);
|
|
currentG.drawIndexedVertices();
|
|
|
|
end();
|
|
}
|
|
|
|
public function getComputeShader(handle: String): kha.compute.Shader {
|
|
return Reflect.field(kha.Shaders, handle + "_comp");
|
|
}
|
|
|
|
#if lnx_vr
|
|
public function drawStereo(drawMeshes: Void->Void) {
|
|
var vr = kha.vr.VrInterface.instance;
|
|
var appw = iron.App.w();
|
|
var apph = iron.App.h();
|
|
var halfw = Std.int(appw / 2);
|
|
var g = currentG;
|
|
|
|
if (vr != null && vr.IsPresenting()) {
|
|
// Left eye
|
|
Scene.active.camera.V.setFrom(Scene.active.camera.leftV);
|
|
Scene.active.camera.P.self = vr.GetProjectionMatrix(0);
|
|
g.viewport(0, 0, halfw, apph);
|
|
drawMeshes();
|
|
|
|
// Right eye
|
|
begin(g, additionalTargets);
|
|
Scene.active.camera.V.setFrom(Scene.active.camera.rightV);
|
|
Scene.active.camera.P.self = vr.GetProjectionMatrix(1);
|
|
g.viewport(halfw, 0, halfw, apph);
|
|
drawMeshes();
|
|
}
|
|
else { // Simulate
|
|
Scene.active.camera.buildProjection(halfw / apph);
|
|
|
|
// Left eye
|
|
g.viewport(0, 0, halfw, apph);
|
|
drawMeshes();
|
|
|
|
// Right eye
|
|
begin(g, additionalTargets);
|
|
Scene.active.camera.transform.move(Scene.active.camera.right(), 0.032);
|
|
Scene.active.camera.buildMatrix();
|
|
g.viewport(halfw, 0, halfw, apph);
|
|
drawMeshes();
|
|
|
|
Scene.active.camera.transform.move(Scene.active.camera.right(), -0.032);
|
|
Scene.active.camera.buildMatrix();
|
|
}
|
|
}
|
|
#end
|
|
|
|
public function loadShader(handle: String) {
|
|
loading++;
|
|
var cc: CachedShaderContext = cachedShaderContexts.get(handle);
|
|
if (cc != null) {
|
|
loading--;
|
|
return;
|
|
}
|
|
|
|
cc = new CachedShaderContext();
|
|
cachedShaderContexts.set(handle, cc);
|
|
|
|
// file/data_name/context
|
|
var shaderPath = handle.split("/");
|
|
|
|
#if lnx_json
|
|
shaderPath[0] += ".json";
|
|
#end
|
|
|
|
Data.getShader(shaderPath[0], shaderPath[1], function(res: ShaderData) {
|
|
cc.context = res.getContext(shaderPath[2]);
|
|
loading--;
|
|
});
|
|
}
|
|
|
|
public function unloadShader(handle: String) {
|
|
cachedShaderContexts.remove(handle);
|
|
|
|
// file/data_name/context
|
|
var shaderPath = handle.split("/");
|
|
// Todo: Handle context overrides (see Data.getShader())
|
|
Data.cachedShaders.remove(shaderPath[1]);
|
|
}
|
|
|
|
public function unload() {
|
|
for (rt in renderTargets) rt.unload();
|
|
}
|
|
|
|
public function resize() {
|
|
if (kha.System.windowWidth() == 0 || kha.System.windowHeight() == 0) return;
|
|
|
|
// Make sure depth buffer is attached to single target only and gets released once
|
|
for (rt in renderTargets) {
|
|
if (rt == null ||
|
|
rt.raw.width > 0 ||
|
|
rt.depthStencilFrom == "" ||
|
|
rt == depthToRenderTarget.get(rt.depthStencilFrom)) {
|
|
continue;
|
|
}
|
|
|
|
var nodepth: RenderTarget = null;
|
|
for (rt2 in renderTargets) {
|
|
if (rt2 == null ||
|
|
rt2.raw.width > 0 ||
|
|
rt2.depthStencilFrom != "" ||
|
|
depthToRenderTarget.get(rt2.raw.depth_buffer) != null ||
|
|
rt2.raw.is_image == true) {
|
|
continue;
|
|
}
|
|
|
|
nodepth = rt2;
|
|
break;
|
|
}
|
|
|
|
if (nodepth != null) {
|
|
rt.image.setDepthStencilFrom(nodepth.image);
|
|
}
|
|
}
|
|
|
|
// Resize textures
|
|
for (rt in renderTargets) {
|
|
if (rt != null && rt.raw.width == 0) {
|
|
App.notifyOnInit(rt.image.unload);
|
|
rt.image = createImage(rt.raw, rt.depthStencil);
|
|
}
|
|
}
|
|
|
|
// Attach depth buffers
|
|
for (rt in renderTargets) {
|
|
if (rt != null && rt.depthStencilFrom != "") {
|
|
rt.image.setDepthStencilFrom(depthToRenderTarget.get(rt.depthStencilFrom).image);
|
|
}
|
|
}
|
|
|
|
#if (rp_voxels != "Off")
|
|
res_pre_clear = true;
|
|
#end
|
|
}
|
|
|
|
public function createRenderTarget(t: RenderTargetRaw): RenderTarget {
|
|
var rt = createTarget(t);
|
|
renderTargets.set(t.name, rt);
|
|
return rt;
|
|
}
|
|
|
|
public function createDepthBuffer(name: String, format: String = null) {
|
|
depthBuffers.push({ name: name, format: format });
|
|
}
|
|
|
|
function createTarget(t: RenderTargetRaw): RenderTarget {
|
|
var rt = new RenderTarget(t);
|
|
// With depth buffer
|
|
if (t.depth_buffer != null) {
|
|
rt.hasDepth = true;
|
|
var depthTarget = depthToRenderTarget.get(t.depth_buffer);
|
|
|
|
if (depthTarget == null) { // Create new one
|
|
for (db in depthBuffers) {
|
|
if (db.name == t.depth_buffer) {
|
|
depthToRenderTarget.set(db.name, rt);
|
|
rt.depthStencil = getDepthStencilFormat(db.format);
|
|
rt.image = createImage(t, rt.depthStencil);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
else { // Reuse
|
|
rt.depthStencil = DepthStencilFormat.NoDepthAndStencil;
|
|
rt.depthStencilFrom = t.depth_buffer;
|
|
rt.image = createImage(t, rt.depthStencil);
|
|
rt.image.setDepthStencilFrom(depthTarget.image);
|
|
}
|
|
}
|
|
else { // No depth buffer
|
|
rt.hasDepth = false;
|
|
if (t.depth != null && t.depth > 1) rt.is3D = true;
|
|
if (t.is_cubemap) {
|
|
rt.isCubeMap = true;
|
|
rt.depthStencil = DepthStencilFormat.NoDepthAndStencil;
|
|
rt.cubeMap = createCubeMap(t, rt.depthStencil);
|
|
}
|
|
else {
|
|
rt.depthStencil = DepthStencilFormat.NoDepthAndStencil;
|
|
rt.image = createImage(t, rt.depthStencil);
|
|
}
|
|
}
|
|
return rt;
|
|
}
|
|
|
|
function createImage(t: RenderTargetRaw, depthStencil: DepthStencilFormat): Image {
|
|
var width = t.width == 0 ? iron.App.w() : t.width;
|
|
var height = t.height == 0 ? iron.App.h() : t.height;
|
|
var depth = t.depth != null ? t.depth : 0;
|
|
if (t.displayp != null) { // 1080p/..
|
|
if (width > height) {
|
|
width = Std.int(width * (t.displayp / height));
|
|
height = t.displayp;
|
|
}
|
|
else {
|
|
height = Std.int(height * (t.displayp / width));
|
|
width = t.displayp;
|
|
}
|
|
}
|
|
if (t.scale != null) {
|
|
width = Std.int(width * t.scale);
|
|
height = Std.int(height * t.scale);
|
|
depth = Std.int(depth * t.scale);
|
|
}
|
|
if (width < 1) width = 1;
|
|
if (height < 1) height = 1;
|
|
if (t.depth != null && t.depth > 1) { // 3D texture
|
|
// Image only
|
|
var img = Image.create3D(width, height, depth,
|
|
t.format != null ? getTextureFormat(t.format) : TextureFormat.RGBA32);
|
|
if (t.mipmaps)
|
|
img.generateMipmaps(1000); // Allocate mipmaps
|
|
return img;
|
|
}
|
|
else { // 2D texture
|
|
if (t.is_image != null && t.is_image) { // Image
|
|
var img = Image.create(width, height,
|
|
t.format != null ? getTextureFormat(t.format) : TextureFormat.RGBA32);
|
|
if (t.mipmaps)
|
|
img.generateMipmaps(1000); // Allocate mipmaps
|
|
return img;
|
|
}
|
|
else { // Render target
|
|
return Image.createRenderTarget(width, height,
|
|
t.format != null ? getTextureFormat(t.format) : TextureFormat.RGBA32,
|
|
depthStencil);
|
|
}
|
|
}
|
|
}
|
|
|
|
function createCubeMap(t: RenderTargetRaw, depthStencil: DepthStencilFormat): CubeMap {
|
|
return CubeMap.createRenderTarget(t.width,
|
|
t.format != null ? getTextureFormat(t.format) : TextureFormat.RGBA32,
|
|
depthStencil);
|
|
}
|
|
|
|
inline function getTextureFormat(s: String): TextureFormat {
|
|
switch (s) {
|
|
case "RGBA32": return TextureFormat.RGBA32;
|
|
case "RGBA64": return TextureFormat.RGBA64;
|
|
case "RGBA128": return TextureFormat.RGBA128;
|
|
case "DEPTH16": return TextureFormat.DEPTH16;
|
|
case "R32": return TextureFormat.A32;
|
|
case "R16": return TextureFormat.A16;
|
|
case "R8": return TextureFormat.L8;
|
|
default: return TextureFormat.RGBA32;
|
|
}
|
|
}
|
|
|
|
inline function getDepthStencilFormat(s: String): DepthStencilFormat {
|
|
if (s == null || s == "") return DepthStencilFormat.DepthOnly;
|
|
switch (s) {
|
|
case "DEPTH24": return DepthStencilFormat.DepthOnly;
|
|
case "DEPTH16": return DepthStencilFormat.Depth16;
|
|
default: return DepthStencilFormat.DepthOnly;
|
|
}
|
|
}
|
|
|
|
#if lnx_shadowmap_atlas
|
|
// Allow setting a target with manual end() calling, this is to render multiple times to the same image (atlas)
|
|
// TODO: allow manual end() calling in existing functions to prevent duplicated code
|
|
public function setTargetStream(target:String, additional:Array<String> = null, viewportScale = 1.0) {
|
|
if (target == "") { // Framebuffer
|
|
currentD = 1;
|
|
currentTarget = null;
|
|
currentFace = -1;
|
|
if (isProbeCube) {
|
|
currentW = Scene.active.camera.renderTargetCube.width;
|
|
currentH = Scene.active.camera.renderTargetCube.height;
|
|
beginStream(frameG, Scene.active.camera.currentFace);
|
|
}
|
|
else { // Screen, planar probe
|
|
currentW = iron.App.w();
|
|
currentH = iron.App.h();
|
|
if (frameScissor) {
|
|
setFrameScissor();
|
|
}
|
|
beginStream(frameG);
|
|
if (!isProbe) {
|
|
setCurrentViewport(iron.App.w(), iron.App.h());
|
|
setCurrentScissor(iron.App.w(), iron.App.h());
|
|
}
|
|
}
|
|
}
|
|
else { // Render target
|
|
var rt = renderTargets.get(target);
|
|
currentTarget = rt;
|
|
var additionalImages:Array<kha.Canvas> = null;
|
|
if (additional != null) {
|
|
additionalImages = [];
|
|
for (s in additional) {
|
|
var t = renderTargets.get(s);
|
|
additionalImages.push(t.image);
|
|
}
|
|
}
|
|
var targetG = rt.isCubeMap ? rt.cubeMap.g4 : rt.image.g4;
|
|
currentW = rt.isCubeMap ? rt.cubeMap.width : rt.image.width;
|
|
currentH = rt.isCubeMap ? rt.cubeMap.height : rt.image.height;
|
|
if (rt.is3D) {
|
|
currentD = rt.image.depth;
|
|
}
|
|
beginStream(targetG, additionalImages, currentFace);
|
|
}
|
|
if (viewportScale != 1.0) {
|
|
viewportScaled = true;
|
|
var viewW = Std.int(currentW * viewportScale);
|
|
var viewH = Std.int(currentH * viewportScale);
|
|
currentG.viewport(0, viewH, viewW, viewH);
|
|
currentG.scissor(0, viewH, viewW, viewH);
|
|
}
|
|
else if (viewportScaled) { // Reset viewport
|
|
viewportScaled = false;
|
|
setCurrentViewport(currentW, currentH);
|
|
setCurrentScissor(currentW, currentH);
|
|
}
|
|
bindParams = null;
|
|
}
|
|
|
|
inline function beginStream(g:Graphics, additionalRenderTargets:Array<kha.Canvas> = null, face = -1) {
|
|
currentG = g;
|
|
additionalTargets = additionalRenderTargets;
|
|
face >= 0 ? g.beginFace(face) : g.begin(additionalRenderTargets);
|
|
}
|
|
|
|
public function endStream() {
|
|
if (scissorSet) {
|
|
currentG.disableScissor();
|
|
scissorSet = false;
|
|
}
|
|
currentG.end();
|
|
currentG = null;
|
|
bindParams = null;
|
|
}
|
|
|
|
public function drawMeshesStream(context:String) {
|
|
// Single face attached
|
|
if (currentFace >= 0 && light != null) {
|
|
light.setCubeFace(currentFace, Scene.active.camera);
|
|
}
|
|
|
|
#if lnx_clusters
|
|
if (context == "mesh") {
|
|
LightObject.updateClusters(Scene.active.camera);
|
|
}
|
|
#end
|
|
|
|
submitDraw(context);
|
|
|
|
#if lnx_debug
|
|
// Callbacks to specific context
|
|
if (contextEvents != null) {
|
|
var ar = contextEvents.get(context);
|
|
if (ar != null) {
|
|
for (i in 0...ar.length) {
|
|
ar[i](currentG, i, ar.length);
|
|
}
|
|
}
|
|
}
|
|
#end
|
|
}
|
|
#end // lnx_shadowmap_atlas
|
|
}
|
|
|
|
class RenderTargetRaw {
|
|
public var name: String;
|
|
public var width: Int;
|
|
public var height: Int;
|
|
public var format: String = null;
|
|
public var scale: Null<Float> = null;
|
|
public var displayp: Null<Int> = null; // Set to 1080p/...
|
|
public var depth_buffer: String = null; // 2D texture
|
|
public var mipmaps: Null<Bool> = null;
|
|
public var depth: Null<Int> = null; // 3D texture
|
|
public var is_image: Null<Bool> = null; // Image
|
|
public var is_cubemap: Null<Bool> = null; // Cubemap
|
|
public function new() {}
|
|
}
|
|
|
|
class RenderTarget {
|
|
public var raw: RenderTargetRaw;
|
|
public var depthStencil: DepthStencilFormat;
|
|
public var depthStencilFrom = "";
|
|
public var image: Image = null; // RT or image
|
|
public var cubeMap: CubeMap = null;
|
|
public var hasDepth = false;
|
|
public var is3D = false; // sampler2D / sampler3D
|
|
public var isCubeMap = false;
|
|
public function new(raw: RenderTargetRaw) { this.raw = raw; }
|
|
public function unload() {
|
|
if (image != null) image.unload();
|
|
if (cubeMap != null) cubeMap.unload();
|
|
}
|
|
}
|
|
|
|
class CachedShaderContext {
|
|
public var context: ShaderContext;
|
|
public function new() {}
|
|
}
|
|
|
|
@:enum abstract DrawOrder(Int) from Int {
|
|
var Distance = 0; // Early-z
|
|
var Shader = 1; // Less state changes
|
|
// var Mix = 2; // Distance buckets sorted by shader
|
|
}
|