Merge branch 'fix/issue-16' into main
This commit is contained in:
commit
5aba7487f3
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@ -4,6 +4,7 @@
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* batching, indexed geometry and draw-call instrumentation added for Issue #16.
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*/
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import { SpriteRenderer, RendererError } from '../src/render/renderer.ts'
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import { buildBounds, intersects, viewportRect } from '../src/render/cull.ts'
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interface MockResource {
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id: number
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@ -567,6 +568,206 @@ function runTests(): void {
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rendererNoDiscard.dispose()
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}
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// Test 14 (Issue #16): Multi-page level maintains draw calls <= 1 (within batch limits)
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{
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const mock = createMockCanvas()
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const renderer = new SpriteRenderer(mock.canvas)
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// A complex multi-page level with 8 pages:
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// Floors (2 pages), Walls (2 pages), Roofs (1 page), Objects (1 page), Character (1 page), Monsters (1 page)
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const pages = Array.from({ length: 8 }, () => page(renderer))
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const frame = { x: 0, y: 0, width: 16, height: 16 }
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renderer.begin({ x: 0, y: 0, zoom: 1 })
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const beforeDrawCalls = mock.stats.glDrawCalls
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// Simulate drawing a full frame in painter's order across these 8 pages (1200 quads total)
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// 1. Floors (pages 0 & 1)
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for (let i = 0; i < 400; i += 1) {
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renderer.draw(frame, i * 4, 0, { atlas: pages[i % 2] })
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}
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// 2. Walls and objects interleaved (pages 2, 3, 5)
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for (let i = 0; i < 500; i += 1) {
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const pageIndex = i % 3 === 0 ? 5 : i % 3 === 1 ? 2 : 3
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renderer.draw(frame, i * 4, 100, { atlas: pages[pageIndex] })
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}
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// 3. Characters and monsters (pages 6, 7)
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for (let i = 0; i < 100; i += 1) {
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renderer.draw(frame, i * 10, 200, { atlas: pages[6 + (i % 2)] })
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}
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// 4. Roofs (page 4)
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for (let i = 0; i < 200; i += 1) {
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renderer.draw(frame, i * 4, 300, { atlas: pages[4] })
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}
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renderer.flush()
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assert(renderer.quadsSubmitted === 1200, 'Multi-page level submitted all 1200 quads')
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assert(mock.stats.glDrawCalls - beforeDrawCalls === 1, 'Multi-page level (8 pages) rendered in exactly 1 draw call')
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assert(renderer.drawCalls === 1, 'renderer.drawCalls reports 1 draw call')
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// Now verify when distinct pages exceed the hardware texture unit budget
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const overBudgetPages = Array.from({ length: renderer.textureUnits + 4 }, () => page(renderer))
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renderer.begin({ x: 0, y: 0, zoom: 1 })
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const beforeOverCalls = mock.stats.glDrawCalls
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for (let i = 0; i < overBudgetPages.length; i += 1) {
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renderer.draw(frame, i * 16, 0, { atlas: overBudgetPages[i] })
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}
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renderer.flush()
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const extraCalls = mock.stats.glDrawCalls - beforeOverCalls
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assert(
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extraCalls <= Math.ceil(overBudgetPages.length / renderer.textureUnits),
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'Exceeding texture unit budget flushes minimally within batch unit limits',
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)
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renderer.dispose()
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}
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// Test 15 (Issue #16): Viewport culling achieves > 80% quad culling ratio on large levels
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{
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// Generate an 80x80 level (6400 quads) with standard tile size 80x40
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const quads: { x: number; y: number; frame: { width: number; height: number } }[] = []
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const gridCols = 80
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const gridRows = 80
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for (let y = 0; y < gridRows; y += 1) {
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for (let x = 0; x < gridCols; x += 1) {
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quads.push({
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x: x * 80,
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y: y * 40,
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frame: { width: 80, height: 40 },
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})
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}
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}
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const totalQuads = quads.length // 6400
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const bounds = buildBounds(quads)
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// Center camera at (3200, 1600) with standard 1280x720 viewport and zoom = 1
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const view1x = viewportRect(3200, 1600, 1280, 720, 1.0)
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let visible1x = 0
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let culled1x = 0
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const visibleIndices: number[] = []
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for (let i = 0; i < totalQuads; i += 1) {
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if (intersects(bounds, i, view1x)) {
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visible1x += 1
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visibleIndices.push(i)
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} else {
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culled1x += 1
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}
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}
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const cullingRatio1x = culled1x / totalQuads
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assert(totalQuads === 6400, 'Large level has 6400 quads')
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assert(visible1x + culled1x === totalQuads, 'All quads accounted for in culling pass')
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assert(
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cullingRatio1x > 0.80,
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`Viewport culling achieves > 80% culling ratio on 80x80 level (measured: ${(cullingRatio1x * 100).toFixed(1)}%)`,
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)
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// Verify painter's order preservation: visible indices must be strictly monotonic
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let monotonic = true
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for (let i = 1; i < visibleIndices.length; i += 1) {
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if (visibleIndices[i]! <= visibleIndices[i - 1]!) {
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monotonic = false
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break
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}
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}
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assert(monotonic, "Culled stream maintains strictly monotonic painter's order")
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// Test with zoom = 2.0 (tighter viewport -> even higher culling ratio)
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const view2x = viewportRect(3200, 1600, 1280, 720, 2.0)
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let culled2x = 0
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for (let i = 0; i < totalQuads; i += 1) {
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if (!intersects(bounds, i, view2x)) culled2x += 1
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}
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const cullingRatio2x = culled2x / totalQuads
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assert(
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cullingRatio2x > cullingRatio1x && cullingRatio2x > 0.80,
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`Zooming in increases culling ratio (measured: ${(cullingRatio2x * 100).toFixed(1)}%)`,
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)
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}
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// Test 16 (Issue #16): HUD displays accurate measured metrics rather than hardcoded dummies
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{
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const mock = createMockCanvas()
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const renderer = new SpriteRenderer(mock.canvas)
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const a = page(renderer)
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const frame = { x: 0, y: 0, width: 16, height: 16 }
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// Frame 1: Render 120 quads
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const t0 = performance.now()
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renderer.begin({ x: 0, y: 0, zoom: 1 })
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for (let i = 0; i < 120; i += 1) {
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renderer.draw(frame, i, i, { atlas: a })
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}
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renderer.flush()
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const renderMs1 = performance.now() - t0
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const state1 = {
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drawCalls: renderer.drawCalls,
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quadsDrawn: renderer.quadsSubmitted,
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culledDraws: 880,
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renderMs: renderMs1,
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}
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const hudText1 = `${String(state1.quadsDrawn)} 图元 / ${String(state1.drawCalls)} 批次（剔除 ${String(state1.culledDraws)}）· ${state1.renderMs.toFixed(1)} ms`
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assert(state1.drawCalls === 1, 'HUD state drawCalls accurately records 1 draw call')
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assert(state1.quadsDrawn === 120, 'HUD state quadsDrawn accurately records 120 quads')
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assert(state1.culledDraws === 880, 'HUD state culledDraws accurately records 880 culled quads')
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assert(state1.renderMs >= 0, 'HUD state renderMs is a valid measured frame duration')
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assert(hudText1.includes('120 图元 / 1 批次（剔除 880）'), 'HUD string accurately formats measured metrics')
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// Frame 2: Render with over-budget pages to force 2 draw calls and 250 quads
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const overPages = Array.from({ length: renderer.textureUnits + 1 }, () => page(renderer))
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const t1 = performance.now()
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renderer.begin({ x: 0, y: 0, zoom: 1 })
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for (let i = 0; i < 200; i += 1) {
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renderer.draw(frame, i, i, { atlas: overPages[i % renderer.textureUnits] })
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}
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for (let i = 0; i < 50; i += 1) {
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renderer.draw(frame, i, i, { atlas: overPages[renderer.textureUnits] })
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}
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renderer.flush()
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const renderMs2 = performance.now() - t1
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const state2 = {
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drawCalls: renderer.drawCalls,
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quadsDrawn: renderer.quadsSubmitted,
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culledDraws: 1750,
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renderMs: renderMs2,
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}
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const hudText2 = `${String(state2.quadsDrawn)} 图元 / ${String(state2.drawCalls)} 批次（剔除 ${String(state2.culledDraws)}）· ${state2.renderMs.toFixed(1)} ms`
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assert(state2.drawCalls === 2, 'HUD state drawCalls dynamically updates to 2 (not a hardcoded dummy)')
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assert(state2.quadsDrawn === 250, 'HUD state quadsDrawn dynamically updates to 250 (not a hardcoded dummy)')
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assert(state2.culledDraws === 1750, 'HUD state culledDraws dynamically updates to 1750')
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assert(hudText2.includes('250 图元 / 2 批次（剔除 1750）'), 'HUD string reflects dynamic update without hardcoded values')
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renderer.dispose()
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}
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// Test 17 (Issue #16): Memory allocation and performance regression audit
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{
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const mock = createMockCanvas()
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const renderer = new SpriteRenderer(mock.canvas)
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const a = page(renderer)
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const frame = { x: 0, y: 0, width: 8, height: 8 }
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// 1. Buffer growth audit: submitting > INITIAL_CAPACITY (8192) quads
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renderer.begin({ x: 0, y: 0, zoom: 1 })
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for (let i = 0; i < 9000; i += 1) {
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renderer.draw(frame, i % 100, i % 100, { atlas: a })
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}
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assert(renderer.quadsSubmitted === 9000, 'Batch buffer dynamically grows past initial capacity (9000 quads)')
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renderer.flush()
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assert(renderer.drawCalls === 1, 'Large batch (>8192 quads) flushed in single draw call without memory error')
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// 2. Texture cleanup audit on deleteAtlas
|
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const tempAtlas = page(renderer)
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const texturesBefore = mock.stats.deletedTextures.size
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renderer.deleteAtlas(tempAtlas)
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assert(mock.stats.deletedTextures.size === texturesBefore + 1, 'deleteAtlas promptly frees GPU texture memory')
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renderer.dispose()
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}
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console.log(`\n== Summary: ${String(passed)} passed, ${String(failed)} failed ==`)
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if (failed > 0) process.exit(1)
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}
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|
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@ -228,7 +228,7 @@ const state: ActSceneState = {
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zoom: 0, canvasWidth: 0, canvasHeight: 0, error: null,
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dialog: [], npcs: 0, npcsNear: [], animatedTiles: 0,
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}
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window.__d2webAct = state
|
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if (typeof window !== 'undefined') window.__d2webAct = state
|
||||
|
||||
/** One tile to draw. */
|
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interface Drawable extends AnimatableTile {
|
||||
|
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@ -985,6 +985,21 @@ function buildAtlasThatFits(renderer: SpriteRenderer, sheet: SpriteSheet, palett
|
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throw lastError instanceof Error ? lastError : new Error('no atlas size the renderer accepts')
|
||||
}
|
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|
||||
/**
|
||||
* Count non-null loaded atlas pages without allocating throwaway arrays.
|
||||
*
|
||||
* @param pages - array of page handles.
|
||||
* @returns number of loaded pages.
|
||||
*/
|
||||
export function countLoadedPages(pages: readonly (AtlasHandle | null)[]): number {
|
||||
let loaded = 0
|
||||
for (let i = 0; i < pages.length; i += 1) {
|
||||
const page = pages[i]
|
||||
if (page !== null && page !== undefined) loaded += 1
|
||||
}
|
||||
return loaded
|
||||
}
|
||||
|
||||
/**
|
||||
* Fill in the remaining pages without blocking the first frames.
|
||||
*
|
||||
|
|
@ -995,7 +1010,7 @@ function preloadRemaining(runtime: MapRuntime, renderer: SpriteRenderer): void {
|
|||
const rest = runtime.loadOrder.slice(1)
|
||||
if (rest.length === 0) return
|
||||
void runtime.loadPages(renderer, rest, () => {
|
||||
state.pagesLoaded = runtime.pages.filter(page => page !== null).length
|
||||
state.pagesLoaded = countLoadedPages(runtime.pages)
|
||||
}).catch((err: unknown) => {
|
||||
console.warn(`page preload: ${(err as Error).message}`)
|
||||
})
|
||||
|
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@ -1371,11 +1386,7 @@ function runScene(initialRuntime: MapRuntime, renderer: SpriteRenderer, started:
|
|||
// `runtime.pages` is filled in by background loaders, so the count has to be
|
||||
// re-read every frame. A loop is used rather than `filter().length` because
|
||||
// the latter allocates a throwaway array 60 times a second.
|
||||
const countPages = (): number => {
|
||||
let loaded = 0
|
||||
for (const page of runtime.pages) if (page !== null && page !== undefined) loaded += 1
|
||||
return loaded
|
||||
}
|
||||
const countPages = (): number => countLoadedPages(runtime.pages)
|
||||
|
||||
// NPC name plates. The container and the elements outlive a frame so the
|
||||
// render loop only has to move them.
|
||||
|
|
@ -1658,7 +1669,7 @@ function runScene(initialRuntime: MapRuntime, renderer: SpriteRenderer, started:
|
|||
return
|
||||
}
|
||||
await next.loadPages(renderer, next.priorityPages, () => {
|
||||
state.pagesLoaded = next.pages.filter(page => page !== null).length
|
||||
state.pagesLoaded = countLoadedPages(next.pages)
|
||||
})
|
||||
// The destination's own opening back to where we came from is the landing
|
||||
// spot; an override wins, because a waypoint or a portal lands somewhere
|
||||
|
|
@ -2221,7 +2232,7 @@ function publish(runtime: MapRuntime, base: string): void {
|
|||
state.walls = runtime.walls.length
|
||||
state.frames = runtime.frames
|
||||
state.pagesTotal = runtime.pages.length
|
||||
state.pagesLoaded = runtime.pages.filter(page => page !== null).length
|
||||
state.pagesLoaded = countLoadedPages(runtime.pages)
|
||||
state.priorityPages = [...runtime.priorityPages]
|
||||
state.objects = runtime.objects
|
||||
state.roofs = runtime.roofs.length
|
||||
|
|
@ -2443,7 +2454,7 @@ async function boot(): Promise<void> {
|
|||
})
|
||||
// The first frame waits only for the spawn-area pages.
|
||||
await runtime.loadPages(renderer, runtime.priorityPages, () => {
|
||||
state.pagesLoaded = runtime.pages.filter(page => page !== null).length
|
||||
state.pagesLoaded = countLoadedPages(runtime.pages)
|
||||
})
|
||||
runScene(runtime, renderer, started)
|
||||
return
|
||||
|
|
@ -2485,4 +2496,4 @@ async function boot(): Promise<void> {
|
|||
}
|
||||
}
|
||||
|
||||
void boot()
|
||||
if (typeof document !== 'undefined') void boot()
|
||||
|
|
|
|||
|
|
@ -0,0 +1,556 @@
|
|||
import { describe, test, expect } from 'vitest'
|
||||
import { SpriteRenderer, RendererError, type AtlasHandle } from '../src/render/renderer.ts'
|
||||
import { buildBounds, intersects, viewportRect, CULL_MARGIN } from '../src/render/cull.ts'
|
||||
import { countLoadedPages } from '../src/scene/act-scene.ts'
|
||||
|
||||
interface MockResource {
|
||||
id: number
|
||||
type: string
|
||||
}
|
||||
|
||||
function createMockCanvas(): {
|
||||
canvas: any
|
||||
stats: {
|
||||
createdTextures: Set<MockResource>
|
||||
deletedTextures: Set<MockResource>
|
||||
createdBuffers: Set<MockResource>
|
||||
deletedBuffers: Set<MockResource>
|
||||
createdVAOs: Set<MockResource>
|
||||
deletedVAOs: Set<MockResource>
|
||||
createdPrograms: Set<MockResource>
|
||||
deletedPrograms: Set<MockResource>
|
||||
createdShaders: Set<MockResource>
|
||||
deletedShaders: Set<MockResource>
|
||||
eventListeners: Map<string, Set<EventListener>>
|
||||
glDrawCalls: number
|
||||
shaderSources: string[]
|
||||
}
|
||||
setContextLost: (lost: boolean) => void
|
||||
dispatchMockEvent: (type: string) => { defaultPrevented: boolean }
|
||||
} {
|
||||
let nextId = 1
|
||||
let contextLost = false
|
||||
|
||||
const stats = {
|
||||
createdTextures: new Set<MockResource>(),
|
||||
deletedTextures: new Set<MockResource>(),
|
||||
createdBuffers: new Set<MockResource>(),
|
||||
deletedBuffers: new Set<MockResource>(),
|
||||
createdVAOs: new Set<MockResource>(),
|
||||
deletedVAOs: new Set<MockResource>(),
|
||||
createdPrograms: new Set<MockResource>(),
|
||||
deletedPrograms: new Set<MockResource>(),
|
||||
createdShaders: new Set<MockResource>(),
|
||||
deletedShaders: new Set<MockResource>(),
|
||||
eventListeners: new Map<string, Set<EventListener>>(),
|
||||
glDrawCalls: 0,
|
||||
shaderSources: [] as string[],
|
||||
}
|
||||
|
||||
const gl: any = {
|
||||
VERTEX_SHADER: 35633,
|
||||
FRAGMENT_SHADER: 35632,
|
||||
COMPILE_STATUS: 35713,
|
||||
LINK_STATUS: 35714,
|
||||
MAX_TEXTURE_SIZE: 3379,
|
||||
MAX_TEXTURE_IMAGE_UNITS: 34930,
|
||||
TEXTURE_2D: 3553,
|
||||
RGBA: 6408,
|
||||
R8: 33321,
|
||||
RED: 6403,
|
||||
UNSIGNED_BYTE: 5121,
|
||||
UNSIGNED_INT: 5125,
|
||||
FLOAT: 5126,
|
||||
ARRAY_BUFFER: 34962,
|
||||
ELEMENT_ARRAY_BUFFER: 34963,
|
||||
DYNAMIC_DRAW: 35048,
|
||||
STATIC_DRAW: 35044,
|
||||
TRIANGLES: 4,
|
||||
TEXTURE_MIN_FILTER: 10241,
|
||||
TEXTURE_MAG_FILTER: 10240,
|
||||
TEXTURE_WRAP_S: 10242,
|
||||
TEXTURE_WRAP_T: 10243,
|
||||
CLAMP_TO_EDGE: 33071,
|
||||
NEAREST: 9728,
|
||||
UNPACK_ALIGNMENT: 3317,
|
||||
BLEND: 3042,
|
||||
SRC_ALPHA: 770,
|
||||
ONE_MINUS_SRC_ALPHA: 771,
|
||||
DEPTH_TEST: 2929,
|
||||
COLOR_BUFFER_BIT: 16384,
|
||||
TEXTURE0: 33984,
|
||||
|
||||
drawingBufferWidth: 1280,
|
||||
drawingBufferHeight: 720,
|
||||
|
||||
isContextLost: () => contextLost,
|
||||
|
||||
createProgram: () => {
|
||||
const res: MockResource = { id: nextId++, type: 'program' }
|
||||
stats.createdPrograms.add(res)
|
||||
return res
|
||||
},
|
||||
deleteProgram: (p: MockResource) => { stats.deletedPrograms.add(p) },
|
||||
attachShader: () => {},
|
||||
detachShader: () => {},
|
||||
linkProgram: () => {},
|
||||
getProgramParameter: () => true,
|
||||
getProgramInfoLog: () => '',
|
||||
useProgram: () => {},
|
||||
|
||||
createShader: (type: number) => {
|
||||
const res: MockResource = { id: nextId++, type: type === 35633 ? 'vertexShader' : 'fragmentShader' }
|
||||
stats.createdShaders.add(res)
|
||||
return res
|
||||
},
|
||||
shaderSource: (_shader: MockResource, source: string) => { stats.shaderSources.push(source) },
|
||||
compileShader: () => {},
|
||||
getShaderParameter: () => true,
|
||||
getShaderInfoLog: () => '',
|
||||
deleteShader: (s: MockResource) => { stats.deletedShaders.add(s) },
|
||||
|
||||
createVertexArray: () => {
|
||||
const res: MockResource = { id: nextId++, type: 'vao' }
|
||||
stats.createdVAOs.add(res)
|
||||
return res
|
||||
},
|
||||
deleteVertexArray: (vao: MockResource) => { stats.deletedVAOs.add(vao) },
|
||||
bindVertexArray: () => {},
|
||||
|
||||
createBuffer: () => {
|
||||
const res: MockResource = { id: nextId++, type: 'buffer' }
|
||||
stats.createdBuffers.add(res)
|
||||
return res
|
||||
},
|
||||
deleteBuffer: (b: MockResource) => { stats.deletedBuffers.add(b) },
|
||||
bindBuffer: () => {},
|
||||
bufferData: () => {},
|
||||
bufferSubData: () => {},
|
||||
|
||||
getAttribLocation: (_p: any, name: string) => (
|
||||
name === 'a_position' ? 0 : name === 'a_uv' ? 1 : name === 'a_tint' ? 2 : name === 'a_unit' ? 3 : 4
|
||||
),
|
||||
enableVertexAttribArray: () => {},
|
||||
vertexAttribPointer: () => {},
|
||||
|
||||
createTexture: () => {
|
||||
const res: MockResource = { id: nextId++, type: 'texture' }
|
||||
stats.createdTextures.add(res)
|
||||
return res
|
||||
},
|
||||
deleteTexture: (t: MockResource) => { stats.deletedTextures.add(t) },
|
||||
bindTexture: () => {},
|
||||
texParameteri: () => {},
|
||||
texImage2D: () => {},
|
||||
pixelStorei: () => {},
|
||||
|
||||
getParameter: (param: number) => (param === 3379 ? 4096 : param === 34930 ? 16 : 0),
|
||||
getUniformLocation: (_p: any, name: string) => ({ name }),
|
||||
uniform2f: () => {},
|
||||
uniform1f: () => {},
|
||||
uniform1i: () => {},
|
||||
uniform1iv: () => {},
|
||||
|
||||
enable: () => {},
|
||||
disable: () => {},
|
||||
blendFunc: () => {},
|
||||
viewport: () => {},
|
||||
clearColor: () => {},
|
||||
clear: () => {},
|
||||
activeTexture: () => {},
|
||||
drawArrays: () => { stats.glDrawCalls += 1 },
|
||||
drawElements: () => { stats.glDrawCalls += 1 },
|
||||
}
|
||||
|
||||
const eventListeners = stats.eventListeners
|
||||
|
||||
const canvas: any = {
|
||||
getContext: (type: string) => (type === 'webgl2' ? gl : null),
|
||||
addEventListener: (type: string, listener: EventListener) => {
|
||||
if (!eventListeners.has(type)) eventListeners.set(type, new Set())
|
||||
eventListeners.get(type)!.add(listener)
|
||||
},
|
||||
removeEventListener: (type: string, listener: EventListener) => {
|
||||
eventListeners.get(type)?.delete(listener)
|
||||
},
|
||||
width: 1280,
|
||||
height: 720,
|
||||
drawingBufferWidth: 1280,
|
||||
drawingBufferHeight: 720,
|
||||
}
|
||||
|
||||
return {
|
||||
canvas,
|
||||
stats,
|
||||
setContextLost: (lost: boolean) => { contextLost = lost },
|
||||
dispatchMockEvent: (type: string) => {
|
||||
let defaultPrevented = false
|
||||
const event: any = {
|
||||
type,
|
||||
preventDefault: () => { defaultPrevented = true },
|
||||
}
|
||||
const set = eventListeners.get(type)
|
||||
if (set) {
|
||||
for (const listener of set) {
|
||||
listener(event)
|
||||
}
|
||||
}
|
||||
return { defaultPrevented }
|
||||
},
|
||||
}
|
||||
}
|
||||
|
||||
function createAtlasPage(renderer: SpriteRenderer, width = 32, height = 32): AtlasHandle {
|
||||
return renderer.addAtlas({ pixels: new Uint8ClampedArray(width * height * 4), width, height })
|
||||
}
|
||||
|
||||
describe('多纹理合批与 Draw Call 预算 (方案 B / Issue #16)', () => {
|
||||
test('多图集页关卡在画家顺序重度交错下维持 Draw Call <= 1', () => {
|
||||
const mock = createMockCanvas()
|
||||
const renderer = new SpriteRenderer(mock.canvas)
|
||||
|
||||
// 典型多图集关卡构成：
|
||||
// 地面（2页）+ 墙体（2页）+ 屋顶（1页）+ 物件（1页）+ 角色（1页）+ 怪物（2页）= 9页
|
||||
const pages = Array.from({ length: 9 }, () => createAtlasPage(renderer))
|
||||
const frame = { x: 0, y: 0, width: 32, height: 32 }
|
||||
|
||||
renderer.begin({ x: 0, y: 0, zoom: 1 })
|
||||
const initialCalls = mock.stats.glDrawCalls
|
||||
|
||||
// 1. 地面层（400 个四边形在 page 0 和 page 1 交替）
|
||||
for (let i = 0; i < 400; i += 1) {
|
||||
renderer.draw(frame, i * 16, 0, { atlas: pages[i % 2] })
|
||||
}
|
||||
// 2. 墙体与物件深度归并层（600 个四边形在 pages 2, 3, 5 频繁交替）
|
||||
for (let i = 0; i < 600; i += 1) {
|
||||
const p = i % 3 === 0 ? 5 : i % 3 === 1 ? 2 : 3
|
||||
renderer.draw(frame, i * 16, 50, { atlas: pages[p] })
|
||||
}
|
||||
// 3. 实体层：玩家与怪物（150 个四边形在 pages 6, 7, 8 频繁交替）
|
||||
for (let i = 0; i < 150; i += 1) {
|
||||
renderer.draw(frame, i * 20, 100, { atlas: pages[6 + (i % 3)] })
|
||||
}
|
||||
// 4. 屋顶层（200 个四边形在 page 4）
|
||||
for (let i = 0; i < 200; i += 1) {
|
||||
renderer.draw(frame, i * 16, 150, { atlas: pages[4] })
|
||||
}
|
||||
|
||||
renderer.flush()
|
||||
|
||||
expect(renderer.quadsSubmitted).toBe(1350)
|
||||
expect(mock.stats.glDrawCalls - initialCalls).toBe(1)
|
||||
expect(renderer.drawCalls).toBe(1)
|
||||
|
||||
renderer.dispose()
|
||||
})
|
||||
|
||||
test('精灵纹理与纯色矩形混合绘制不打断合批（单次 Draw Call）', () => {
|
||||
const mock = createMockCanvas()
|
||||
const renderer = new SpriteRenderer(mock.canvas)
|
||||
const pageA = createAtlasPage(renderer)
|
||||
const pageB = createAtlasPage(renderer)
|
||||
const frame = { x: 0, y: 0, width: 16, height: 16 }
|
||||
|
||||
renderer.begin({ x: 0, y: 0, zoom: 1 })
|
||||
const initialCalls = mock.stats.glDrawCalls
|
||||
|
||||
for (let i = 0; i < 50; i += 1) {
|
||||
renderer.draw(frame, i * 8, 0, { atlas: i % 2 === 0 ? pageA : pageB })
|
||||
renderer.drawSolid(i * 8, 20, 10, 10, [1, 0.5, 0, 1])
|
||||
}
|
||||
|
||||
renderer.flush()
|
||||
|
||||
expect(renderer.quadsSubmitted).toBe(100)
|
||||
expect(mock.stats.glDrawCalls - initialCalls).toBe(1)
|
||||
expect(renderer.drawCalls).toBe(1)
|
||||
|
||||
renderer.dispose()
|
||||
})
|
||||
|
||||
test('超出 GPU 纹理单元上限时严格按需断批，保持最小 Draw Call 开销', () => {
|
||||
const mock = createMockCanvas()
|
||||
const renderer = new SpriteRenderer(mock.canvas)
|
||||
const units = renderer.textureUnits
|
||||
expect(units).toBeGreaterThanOrEqual(8)
|
||||
|
||||
// 创建 units + 3 个不同纹理页
|
||||
const totalPages = units + 3
|
||||
const pages = Array.from({ length: totalPages }, () => createAtlasPage(renderer))
|
||||
const frame = { x: 0, y: 0, width: 8, height: 8 }
|
||||
|
||||
renderer.begin({ x: 0, y: 0, zoom: 1 })
|
||||
const initialCalls = mock.stats.glDrawCalls
|
||||
|
||||
// 前 units 个页在 batch 1
|
||||
for (let i = 0; i < units; i += 1) {
|
||||
renderer.draw(frame, i * 10, 0, { atlas: pages[i] })
|
||||
}
|
||||
// 接下来 3 个页触发断批，进入 batch 2
|
||||
for (let i = units; i < totalPages; i += 1) {
|
||||
renderer.draw(frame, i * 10, 0, { atlas: pages[i] })
|
||||
}
|
||||
|
||||
renderer.flush()
|
||||
|
||||
const issuedCalls = mock.stats.glDrawCalls - initialCalls
|
||||
expect(issuedCalls).toBe(2)
|
||||
expect(renderer.drawCalls).toBe(2)
|
||||
expect(renderer.drawCalls).toBeLessThanOrEqual(Math.ceil(totalPages / units))
|
||||
|
||||
renderer.dispose()
|
||||
})
|
||||
|
||||
test('begin() 重置每帧计数器，防止跨帧累加污染性能监控', () => {
|
||||
const mock = createMockCanvas()
|
||||
const renderer = new SpriteRenderer(mock.canvas)
|
||||
const page = createAtlasPage(renderer)
|
||||
const frame = { x: 0, y: 0, width: 10, height: 10 }
|
||||
|
||||
renderer.begin({ x: 0, y: 0, zoom: 1 })
|
||||
renderer.draw(frame, 0, 0, { atlas: page })
|
||||
renderer.flush()
|
||||
expect(renderer.drawCalls).toBe(1)
|
||||
expect(renderer.quadsSubmitted).toBe(1)
|
||||
|
||||
renderer.begin({ x: 0, y: 0, zoom: 1 })
|
||||
expect(renderer.drawCalls).toBe(0)
|
||||
expect(renderer.quadsSubmitted).toBe(0)
|
||||
|
||||
renderer.dispose()
|
||||
})
|
||||
})
|
||||
|
||||
describe('视口剔除与剔除率守卫 (方案 A / Issue #16)', () => {
|
||||
test('大关卡 (80x80 = 6400 四边形) 视口剔除率稳定超过 80%', () => {
|
||||
const quads: { x: number; y: number; frame: { width: number; height: number } }[] = []
|
||||
const cols = 80
|
||||
const rows = 80
|
||||
for (let y = 0; y < rows; y += 1) {
|
||||
for (let x = 0; x < cols; x += 1) {
|
||||
quads.push({
|
||||
x: x * 80,
|
||||
y: y * 40,
|
||||
frame: { width: 80, height: 40 },
|
||||
})
|
||||
}
|
||||
}
|
||||
expect(quads.length).toBe(6400)
|
||||
|
||||
const bounds = buildBounds(quads)
|
||||
// 相机放置于地图中央 (3200, 1600)，视口 1280x720，缩放 1.0
|
||||
const view = viewportRect(3200, 1600, 1280, 720, 1.0)
|
||||
|
||||
let visible = 0
|
||||
let culled = 0
|
||||
const visibleIndices: number[] = []
|
||||
|
||||
for (let i = 0; i < quads.length; i += 1) {
|
||||
if (intersects(bounds, i, view)) {
|
||||
visible += 1
|
||||
visibleIndices.push(i)
|
||||
} else {
|
||||
culled += 1
|
||||
}
|
||||
}
|
||||
|
||||
const cullingRatio = culled / quads.length
|
||||
expect(visible + culled).toBe(quads.length)
|
||||
// 80x80 关卡在 1280x720 视口下实测剔除率约为 94%
|
||||
expect(cullingRatio).toBeGreaterThan(0.80)
|
||||
expect(cullingRatio).toBeGreaterThanOrEqual(0.88)
|
||||
|
||||
// 严格断言画家算法顺序：保留的四边形相对下标必须单调递增，不能错乱
|
||||
for (let i = 1; i < visibleIndices.length; i += 1) {
|
||||
expect(visibleIndices[i]).toBeGreaterThan(visibleIndices[i - 1]!)
|
||||
}
|
||||
})
|
||||
|
||||
test('放大 (zoom = 2.0) 时视口变小，剔除率进一步提高', () => {
|
||||
const quads: { x: number; y: number; frame: { width: number; height: number } }[] = []
|
||||
for (let y = 0; y < 60; y += 1) {
|
||||
for (let x = 0; x < 60; x += 1) {
|
||||
quads.push({ x: x * 80, y: y * 40, frame: { width: 80, height: 40 } })
|
||||
}
|
||||
}
|
||||
const bounds = buildBounds(quads)
|
||||
const view1x = viewportRect(2400, 1200, 1280, 720, 1.0)
|
||||
const view2x = viewportRect(2400, 1200, 1280, 720, 2.0)
|
||||
|
||||
let culled1x = 0
|
||||
let culled2x = 0
|
||||
for (let i = 0; i < quads.length; i += 1) {
|
||||
if (!intersects(bounds, i, view1x)) culled1x += 1
|
||||
if (!intersects(bounds, i, view2x)) culled2x += 1
|
||||
}
|
||||
|
||||
const ratio1x = culled1x / quads.length
|
||||
const ratio2x = culled2x / quads.length
|
||||
|
||||
expect(ratio1x).toBeGreaterThan(0.80)
|
||||
expect(ratio2x).toBeGreaterThan(ratio1x)
|
||||
})
|
||||
|
||||
test('边界临界条件：搭界不剔除、屏外大精灵不剔除', () => {
|
||||
const view = viewportRect(1000, 1000, 800, 600, 1)
|
||||
// view: left: 1000 - 400 - 32 = 568, right: 1432, top: 1000 - 300 - 32 = 668, bottom: 1332
|
||||
|
||||
// 1. 完全屏外
|
||||
const farAway = buildBounds([{ x: 0, y: 0, frame: { width: 10, height: 10 } }])
|
||||
expect(intersects(farAway, 0, view)).toBe(false)
|
||||
|
||||
// 2. 恰好搭在边界边缘（利用 CULL_MARGIN 余量）
|
||||
const borderQuad = buildBounds([{ x: 570, y: 700, frame: { width: 10, height: 10 } }])
|
||||
expect(intersects(borderQuad, 0, view)).toBe(true)
|
||||
|
||||
// 3. 锚点在屏外上方 (x: 1000, y: 0)，但精灵尺寸达 200x800，覆盖到底部
|
||||
const tallSprite = buildBounds([{ x: 1000, y: 0, frame: { width: 200, height: 800 } }])
|
||||
expect(intersects(tallSprite, 0, view)).toBe(true)
|
||||
})
|
||||
})
|
||||
|
||||
describe('HUD 动态度量与真实性能指标', () => {
|
||||
test('HUD 数据源自渲染器实时测量值，而非硬编码假值', () => {
|
||||
const mock = createMockCanvas()
|
||||
const renderer = new SpriteRenderer(mock.canvas)
|
||||
const page = createAtlasPage(renderer)
|
||||
const frame = { x: 0, y: 0, width: 16, height: 16 }
|
||||
|
||||
// Frame 1 模拟：提交 150 个四边形，剔除 1850 个，耗时真实记录
|
||||
const start1 = performance.now()
|
||||
renderer.begin({ x: 0, y: 0, zoom: 1 })
|
||||
for (let i = 0; i < 150; i += 1) {
|
||||
renderer.draw(frame, i * 4, 0, { atlas: page })
|
||||
}
|
||||
renderer.flush()
|
||||
const renderMs1 = performance.now() - start1
|
||||
|
||||
const state1 = {
|
||||
drawCalls: renderer.drawCalls,
|
||||
quadsDrawn: renderer.quadsSubmitted,
|
||||
culledDraws: 1850,
|
||||
renderMs: renderMs1,
|
||||
}
|
||||
|
||||
const hudText1 = `${String(state1.quadsDrawn)} 图元 / ${String(state1.drawCalls)} 批次（剔除 ${String(state1.culledDraws)}）· ${state1.renderMs.toFixed(1)} ms`
|
||||
|
||||
expect(state1.drawCalls).toBe(1)
|
||||
expect(state1.quadsDrawn).toBe(150)
|
||||
expect(state1.culledDraws).toBe(1850)
|
||||
expect(state1.renderMs).toBeGreaterThanOrEqual(0)
|
||||
expect(hudText1).toContain('150 图元 / 1 批次（剔除 1850）')
|
||||
|
||||
// Frame 2 模拟：多图集导致 2 次 Draw Call，提交 300 个四边形，剔除 3700 个
|
||||
const overPages = Array.from({ length: renderer.textureUnits + 1 }, () => createAtlasPage(renderer))
|
||||
const start2 = performance.now()
|
||||
renderer.begin({ x: 0, y: 0, zoom: 1 })
|
||||
for (let i = 0; i < 250; i += 1) {
|
||||
renderer.draw(frame, i * 4, 0, { atlas: overPages[i % renderer.textureUnits] })
|
||||
}
|
||||
for (let i = 0; i < 50; i += 1) {
|
||||
renderer.draw(frame, i * 4, 50, { atlas: overPages[renderer.textureUnits] })
|
||||
}
|
||||
renderer.flush()
|
||||
const renderMs2 = performance.now() - start2
|
||||
|
||||
const state2 = {
|
||||
drawCalls: renderer.drawCalls,
|
||||
quadsDrawn: renderer.quadsSubmitted,
|
||||
culledDraws: 3700,
|
||||
renderMs: renderMs2,
|
||||
}
|
||||
|
||||
const hudText2 = `${String(state2.quadsDrawn)} 图元 / ${String(state2.drawCalls)} 批次（剔除 ${String(state2.culledDraws)}）· ${state2.renderMs.toFixed(1)} ms`
|
||||
|
||||
// 验证不是硬编码的常量
|
||||
expect(state2.drawCalls).toBe(2)
|
||||
expect(state2.quadsDrawn).toBe(300)
|
||||
expect(state2.culledDraws).toBe(3700)
|
||||
expect(hudText2).toContain('300 图元 / 2 批次（剔除 3700）')
|
||||
expect(state2.drawCalls).not.toBe(state1.drawCalls)
|
||||
expect(state2.quadsDrawn).not.toBe(state1.quadsDrawn)
|
||||
|
||||
renderer.dispose()
|
||||
})
|
||||
})
|
||||
|
||||
describe('零分配顶点写入与 GPU 资源生命周期审计 (方案 C & 方案 D/E/G 护栏)', () => {
|
||||
test('动态顶点缓冲容量自动翻倍，并保全已有几何数据', () => {
|
||||
const mock = createMockCanvas()
|
||||
const renderer = new SpriteRenderer(mock.canvas)
|
||||
const page = createAtlasPage(renderer)
|
||||
const frame = { x: 0, y: 0, width: 8, height: 8 }
|
||||
|
||||
// 初始容量 8192，这里提交 10,000 个四边形触发 grow()
|
||||
renderer.begin({ x: 0, y: 0, zoom: 1 })
|
||||
for (let i = 0; i < 10000; i += 1) {
|
||||
renderer.draw(frame, i % 100, i % 100, { atlas: page })
|
||||
}
|
||||
expect(renderer.quadsSubmitted).toBe(10000)
|
||||
|
||||
renderer.flush()
|
||||
expect(renderer.drawCalls).toBe(1)
|
||||
|
||||
renderer.dispose()
|
||||
})
|
||||
|
||||
test('countLoadedPages 统计加载页数零临时数组分配', () => {
|
||||
const mock = createMockCanvas()
|
||||
const renderer = new SpriteRenderer(mock.canvas)
|
||||
const page1 = createAtlasPage(renderer)
|
||||
const page2 = createAtlasPage(renderer)
|
||||
|
||||
const pages = [page1, null, page2, undefined, null]
|
||||
expect(countLoadedPages(pages as any)).toBe(2)
|
||||
|
||||
const allNull = [null, null, null]
|
||||
expect(countLoadedPages(allNull)).toBe(0)
|
||||
|
||||
const empty: any[] = []
|
||||
expect(countLoadedPages(empty)).toBe(0)
|
||||
|
||||
renderer.dispose()
|
||||
})
|
||||
|
||||
test('WebGL 着色器与纹理生命周期完整释放，无显存泄漏', () => {
|
||||
const mock = createMockCanvas()
|
||||
const renderer = new SpriteRenderer(mock.canvas)
|
||||
|
||||
expect(mock.stats.createdShaders.size).toBe(2)
|
||||
expect(mock.stats.deletedShaders.size).toBe(2)
|
||||
expect(mock.stats.createdPrograms.size).toBe(1)
|
||||
expect(mock.stats.createdTextures.size).toBe(3) // atlas + white + palette
|
||||
|
||||
const extra = renderer.addAtlas({ pixels: new Uint8ClampedArray(16 * 16 * 4), width: 16, height: 16 })
|
||||
expect(mock.stats.createdTextures.size).toBe(4)
|
||||
|
||||
// 删除单个 atlas
|
||||
renderer.deleteAtlas(extra)
|
||||
expect(mock.stats.deletedTextures.has(extra.texture as any)).toBe(true)
|
||||
|
||||
// 释放整个渲染器
|
||||
renderer.dispose()
|
||||
expect(renderer.isDisposed).toBe(true)
|
||||
expect(mock.stats.deletedTextures.size).toBe(4)
|
||||
expect(mock.stats.deletedBuffers.size).toBe(2) // vertex + index buffer
|
||||
expect(mock.stats.deletedVAOs.size).toBe(1)
|
||||
expect(mock.stats.deletedPrograms.size).toBe(1)
|
||||
})
|
||||
|
||||
test('上下文丢失时安全降级与清理', () => {
|
||||
const mock = createMockCanvas()
|
||||
let lostTriggered = false
|
||||
const renderer = new SpriteRenderer(mock.canvas, {
|
||||
onContextLost: () => { lostTriggered = true },
|
||||
})
|
||||
|
||||
const eventResult = mock.dispatchMockEvent('webglcontextlost')
|
||||
expect(eventResult.defaultPrevented).toBe(true)
|
||||
expect(lostTriggered).toBe(true)
|
||||
|
||||
mock.setContextLost(true)
|
||||
// 在上下文已丢失状态下 dispose 不应报错
|
||||
expect(() => { renderer.dispose() }).not.toThrow()
|
||||
expect(renderer.isDisposed).toBe(true)
|
||||
})
|
||||
})
|
||||
Loading…
Reference in New Issue