BakedOpDispatcher.cpp revision a204848b1dc63877a12e2d24108e9d8e1e691e28
1/* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#include "BakedOpDispatcher.h" 18 19#include "BakedOpRenderer.h" 20#include "Caches.h" 21#include "Glop.h" 22#include "GlopBuilder.h" 23#include "Patch.h" 24#include "PathTessellator.h" 25#include "renderstate/OffscreenBufferPool.h" 26#include "renderstate/RenderState.h" 27#include "utils/GLUtils.h" 28#include "VertexBuffer.h" 29 30#include <algorithm> 31#include <math.h> 32#include <SkPaintDefaults.h> 33#include <SkPathOps.h> 34 35namespace android { 36namespace uirenderer { 37 38static void storeTexturedRect(TextureVertex* vertices, const Rect& bounds, const Rect& texCoord) { 39 vertices[0] = { bounds.left, bounds.top, texCoord.left, texCoord.top }; 40 vertices[1] = { bounds.right, bounds.top, texCoord.right, texCoord.top }; 41 vertices[2] = { bounds.left, bounds.bottom, texCoord.left, texCoord.bottom }; 42 vertices[3] = { bounds.right, bounds.bottom, texCoord.right, texCoord.bottom }; 43} 44 45void BakedOpDispatcher::onMergedBitmapOps(BakedOpRenderer& renderer, 46 const MergedBakedOpList& opList) { 47 48 const BakedOpState& firstState = *(opList.states[0]); 49 const SkBitmap* bitmap = (static_cast<const BitmapOp*>(opList.states[0]->op))->bitmap; 50 51 AssetAtlas::Entry* entry = renderer.renderState().assetAtlas().getEntry(bitmap->pixelRef()); 52 Texture* texture = entry ? entry->texture : renderer.caches().textureCache.get(bitmap); 53 if (!texture) return; 54 const AutoTexture autoCleanup(texture); 55 56 TextureVertex vertices[opList.count * 4]; 57 Rect texCoords(0, 0, 1, 1); 58 if (entry) { 59 entry->uvMapper.map(texCoords); 60 } 61 for (size_t i = 0; i < opList.count; i++) { 62 const BakedOpState& state = *(opList.states[i]); 63 TextureVertex* rectVerts = &vertices[i * 4]; 64 65 // calculate unclipped bounds, since they'll determine texture coordinates 66 Rect opBounds = state.op->unmappedBounds; 67 state.computedState.transform.mapRect(opBounds); 68 if (CC_LIKELY(state.computedState.transform.isPureTranslate())) { 69 // pure translate, so snap (same behavior as onBitmapOp) 70 opBounds.snapToPixelBoundaries(); 71 } 72 storeTexturedRect(rectVerts, opBounds, texCoords); 73 renderer.dirtyRenderTarget(opBounds); 74 } 75 76 const int textureFillFlags = (bitmap->colorType() == kAlpha_8_SkColorType) 77 ? TextureFillFlags::IsAlphaMaskTexture : TextureFillFlags::None; 78 Glop glop; 79 GlopBuilder(renderer.renderState(), renderer.caches(), &glop) 80 .setRoundRectClipState(firstState.roundRectClipState) 81 .setMeshTexturedIndexedQuads(vertices, opList.count * 6) 82 .setFillTexturePaint(*texture, textureFillFlags, firstState.op->paint, firstState.alpha) 83 .setTransform(Matrix4::identity(), TransformFlags::None) 84 .setModelViewIdentityEmptyBounds() 85 .build(); 86 ClipRect renderTargetClip(opList.clip); 87 const ClipBase* clip = opList.clipSideFlags ? &renderTargetClip : nullptr; 88 renderer.renderGlop(nullptr, clip, glop); 89} 90 91void BakedOpDispatcher::onMergedPatchOps(BakedOpRenderer& renderer, 92 const MergedBakedOpList& opList) { 93 const PatchOp& firstOp = *(static_cast<const PatchOp*>(opList.states[0]->op)); 94 const BakedOpState& firstState = *(opList.states[0]); 95 AssetAtlas::Entry* entry = renderer.renderState().assetAtlas().getEntry( 96 firstOp.bitmap->pixelRef()); 97 98 // Batches will usually contain a small number of items so it's 99 // worth performing a first iteration to count the exact number 100 // of vertices we need in the new mesh 101 uint32_t totalVertices = 0; 102 103 for (size_t i = 0; i < opList.count; i++) { 104 const PatchOp& op = *(static_cast<const PatchOp*>(opList.states[i]->op)); 105 106 // TODO: cache mesh lookups 107 const Patch* opMesh = renderer.caches().patchCache.get( 108 entry, op.bitmap->width(), op.bitmap->height(), 109 op.unmappedBounds.getWidth(), op.unmappedBounds.getHeight(), op.patch); 110 totalVertices += opMesh->verticesCount; 111 } 112 113 const bool dirtyRenderTarget = renderer.offscreenRenderTarget(); 114 115 uint32_t indexCount = 0; 116 117 TextureVertex vertices[totalVertices]; 118 TextureVertex* vertex = &vertices[0]; 119 // Create a mesh that contains the transformed vertices for all the 120 // 9-patch objects that are part of the batch. Note that onDefer() 121 // enforces ops drawn by this function to have a pure translate or 122 // identity matrix 123 for (size_t i = 0; i < opList.count; i++) { 124 const PatchOp& op = *(static_cast<const PatchOp*>(opList.states[i]->op)); 125 const BakedOpState& state = *opList.states[i]; 126 127 // TODO: cache mesh lookups 128 const Patch* opMesh = renderer.caches().patchCache.get( 129 entry, op.bitmap->width(), op.bitmap->height(), 130 op.unmappedBounds.getWidth(), op.unmappedBounds.getHeight(), op.patch); 131 132 133 uint32_t vertexCount = opMesh->verticesCount; 134 if (vertexCount == 0) continue; 135 136 // We use the bounds to know where to translate our vertices 137 // Using patchOp->state.mBounds wouldn't work because these 138 // bounds are clipped 139 const float tx = floorf(state.computedState.transform.getTranslateX() 140 + op.unmappedBounds.left + 0.5f); 141 const float ty = floorf(state.computedState.transform.getTranslateY() 142 + op.unmappedBounds.top + 0.5f); 143 144 // Copy & transform all the vertices for the current operation 145 TextureVertex* opVertices = opMesh->vertices.get(); 146 for (uint32_t j = 0; j < vertexCount; j++, opVertices++) { 147 TextureVertex::set(vertex++, 148 opVertices->x + tx, opVertices->y + ty, 149 opVertices->u, opVertices->v); 150 } 151 152 // Dirty the current layer if possible. When the 9-patch does not 153 // contain empty quads we can take a shortcut and simply set the 154 // dirty rect to the object's bounds. 155 if (dirtyRenderTarget) { 156 if (!opMesh->hasEmptyQuads) { 157 renderer.dirtyRenderTarget(Rect(tx, ty, 158 tx + op.unmappedBounds.getWidth(), ty + op.unmappedBounds.getHeight())); 159 } else { 160 const size_t count = opMesh->quads.size(); 161 for (size_t i = 0; i < count; i++) { 162 const Rect& quadBounds = opMesh->quads[i]; 163 const float x = tx + quadBounds.left; 164 const float y = ty + quadBounds.top; 165 renderer.dirtyRenderTarget(Rect(x, y, 166 x + quadBounds.getWidth(), y + quadBounds.getHeight())); 167 } 168 } 169 } 170 171 indexCount += opMesh->indexCount; 172 } 173 174 175 Texture* texture = entry ? entry->texture : renderer.caches().textureCache.get(firstOp.bitmap); 176 if (!texture) return; 177 const AutoTexture autoCleanup(texture); 178 179 // 9 patches are built for stretching - always filter 180 int textureFillFlags = TextureFillFlags::ForceFilter; 181 if (firstOp.bitmap->colorType() == kAlpha_8_SkColorType) { 182 textureFillFlags |= TextureFillFlags::IsAlphaMaskTexture; 183 } 184 Glop glop; 185 GlopBuilder(renderer.renderState(), renderer.caches(), &glop) 186 .setRoundRectClipState(firstState.roundRectClipState) 187 .setMeshTexturedIndexedQuads(vertices, indexCount) 188 .setFillTexturePaint(*texture, textureFillFlags, firstOp.paint, firstState.alpha) 189 .setTransform(Matrix4::identity(), TransformFlags::None) 190 .setModelViewIdentityEmptyBounds() 191 .build(); 192 ClipRect renderTargetClip(opList.clip); 193 const ClipBase* clip = opList.clipSideFlags ? &renderTargetClip : nullptr; 194 renderer.renderGlop(nullptr, clip, glop); 195} 196 197static void renderTextShadow(BakedOpRenderer& renderer, FontRenderer& fontRenderer, 198 const TextOp& op, const BakedOpState& state) { 199 renderer.caches().textureState().activateTexture(0); 200 201 PaintUtils::TextShadow textShadow; 202 if (!PaintUtils::getTextShadow(op.paint, &textShadow)) { 203 LOG_ALWAYS_FATAL("failed to query shadow attributes"); 204 } 205 206 renderer.caches().dropShadowCache.setFontRenderer(fontRenderer); 207 ShadowTexture* texture = renderer.caches().dropShadowCache.get( 208 op.paint, op.glyphs, op.glyphCount, textShadow.radius, op.positions); 209 // If the drop shadow exceeds the max texture size or couldn't be 210 // allocated, skip drawing 211 if (!texture) return; 212 const AutoTexture autoCleanup(texture); 213 214 const float sx = op.x - texture->left + textShadow.dx; 215 const float sy = op.y - texture->top + textShadow.dy; 216 217 Glop glop; 218 GlopBuilder(renderer.renderState(), renderer.caches(), &glop) 219 .setRoundRectClipState(state.roundRectClipState) 220 .setMeshTexturedUnitQuad(nullptr) 221 .setFillShadowTexturePaint(*texture, textShadow.color, *op.paint, state.alpha) 222 .setTransform(state.computedState.transform, TransformFlags::None) 223 .setModelViewMapUnitToRect(Rect(sx, sy, sx + texture->width(), sy + texture->height())) 224 .build(); 225 renderer.renderGlop(state, glop); 226} 227 228enum class TextRenderType { 229 Defer, 230 Flush 231}; 232 233static void renderTextOp(BakedOpRenderer& renderer, const TextOp& op, const BakedOpState& state, 234 const ClipBase* renderClip, TextRenderType renderType) { 235 FontRenderer& fontRenderer = renderer.caches().fontRenderer.getFontRenderer(); 236 237 if (CC_UNLIKELY(PaintUtils::hasTextShadow(op.paint))) { 238 fontRenderer.setFont(op.paint, SkMatrix::I()); 239 renderTextShadow(renderer, fontRenderer, op, state); 240 } 241 242 float x = op.x; 243 float y = op.y; 244 const Matrix4& transform = state.computedState.transform; 245 const bool pureTranslate = transform.isPureTranslate(); 246 if (CC_LIKELY(pureTranslate)) { 247 x = floorf(x + transform.getTranslateX() + 0.5f); 248 y = floorf(y + transform.getTranslateY() + 0.5f); 249 fontRenderer.setFont(op.paint, SkMatrix::I()); 250 fontRenderer.setTextureFiltering(false); 251 } else if (CC_UNLIKELY(transform.isPerspective())) { 252 fontRenderer.setFont(op.paint, SkMatrix::I()); 253 fontRenderer.setTextureFiltering(true); 254 } else { 255 // We only pass a partial transform to the font renderer. That partial 256 // matrix defines how glyphs are rasterized. Typically we want glyphs 257 // to be rasterized at their final size on screen, which means the partial 258 // matrix needs to take the scale factor into account. 259 // When a partial matrix is used to transform glyphs during rasterization, 260 // the mesh is generated with the inverse transform (in the case of scale, 261 // the mesh is generated at 1.0 / scale for instance.) This allows us to 262 // apply the full transform matrix at draw time in the vertex shader. 263 // Applying the full matrix in the shader is the easiest way to handle 264 // rotation and perspective and allows us to always generated quads in the 265 // font renderer which greatly simplifies the code, clipping in particular. 266 float sx, sy; 267 transform.decomposeScale(sx, sy); 268 fontRenderer.setFont(op.paint, SkMatrix::MakeScale( 269 roundf(std::max(1.0f, sx)), 270 roundf(std::max(1.0f, sy)))); 271 fontRenderer.setTextureFiltering(true); 272 } 273 Rect layerBounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 274 275 int alpha = PaintUtils::getAlphaDirect(op.paint) * state.alpha; 276 SkXfermode::Mode mode = PaintUtils::getXfermodeDirect(op.paint); 277 TextDrawFunctor functor(&renderer, &state, renderClip, 278 x, y, pureTranslate, alpha, mode, op.paint); 279 280 bool forceFinish = (renderType == TextRenderType::Flush); 281 bool mustDirtyRenderTarget = renderer.offscreenRenderTarget(); 282 const Rect* localOpClip = pureTranslate ? &state.computedState.clipRect() : nullptr; 283 fontRenderer.renderPosText(op.paint, localOpClip, op.glyphs, op.glyphCount, x, y, 284 op.positions, mustDirtyRenderTarget ? &layerBounds : nullptr, &functor, forceFinish); 285 286 if (mustDirtyRenderTarget) { 287 if (!pureTranslate) { 288 transform.mapRect(layerBounds); 289 } 290 renderer.dirtyRenderTarget(layerBounds); 291 } 292} 293 294void BakedOpDispatcher::onMergedTextOps(BakedOpRenderer& renderer, 295 const MergedBakedOpList& opList) { 296 ClipRect renderTargetClip(opList.clip); 297 const ClipBase* clip = opList.clipSideFlags ? &renderTargetClip : nullptr; 298 for (size_t i = 0; i < opList.count; i++) { 299 const BakedOpState& state = *(opList.states[i]); 300 const TextOp& op = *(static_cast<const TextOp*>(state.op)); 301 TextRenderType renderType = (i + 1 == opList.count) 302 ? TextRenderType::Flush : TextRenderType::Defer; 303 renderTextOp(renderer, op, state, clip, renderType); 304 } 305} 306 307namespace VertexBufferRenderFlags { 308 enum { 309 Offset = 0x1, 310 ShadowInterp = 0x2, 311 }; 312} 313 314static void renderVertexBuffer(BakedOpRenderer& renderer, const BakedOpState& state, 315 const VertexBuffer& vertexBuffer, float translateX, float translateY, 316 const SkPaint& paint, int vertexBufferRenderFlags) { 317 if (CC_LIKELY(vertexBuffer.getVertexCount())) { 318 bool shadowInterp = vertexBufferRenderFlags & VertexBufferRenderFlags::ShadowInterp; 319 const int transformFlags = TransformFlags::OffsetByFudgeFactor; 320 Glop glop; 321 GlopBuilder(renderer.renderState(), renderer.caches(), &glop) 322 .setRoundRectClipState(state.roundRectClipState) 323 .setMeshVertexBuffer(vertexBuffer, shadowInterp) 324 .setFillPaint(paint, state.alpha) 325 .setTransform(state.computedState.transform, transformFlags) 326 .setModelViewOffsetRect(translateX, translateY, vertexBuffer.getBounds()) 327 .build(); 328 renderer.renderGlop(state, glop); 329 } 330} 331 332static void renderConvexPath(BakedOpRenderer& renderer, const BakedOpState& state, 333 const SkPath& path, const SkPaint& paint) { 334 VertexBuffer vertexBuffer; 335 // TODO: try clipping large paths to viewport 336 PathTessellator::tessellatePath(path, &paint, state.computedState.transform, vertexBuffer); 337 renderVertexBuffer(renderer, state, vertexBuffer, 0.0f, 0.0f, paint, 0); 338} 339 340static void renderPathTexture(BakedOpRenderer& renderer, const BakedOpState& state, 341 float xOffset, float yOffset, PathTexture& texture, const SkPaint& paint) { 342 Rect dest(texture.width(), texture.height()); 343 dest.translate(xOffset + texture.left - texture.offset, 344 yOffset + texture.top - texture.offset); 345 Glop glop; 346 GlopBuilder(renderer.renderState(), renderer.caches(), &glop) 347 .setRoundRectClipState(state.roundRectClipState) 348 .setMeshTexturedUnitQuad(nullptr) 349 .setFillPathTexturePaint(texture, paint, state.alpha) 350 .setTransform(state.computedState.transform, TransformFlags::None) 351 .setModelViewMapUnitToRect(dest) 352 .build(); 353 renderer.renderGlop(state, glop); 354} 355 356SkRect getBoundsOfFill(const RecordedOp& op) { 357 SkRect bounds = op.unmappedBounds.toSkRect(); 358 if (op.paint->getStyle() == SkPaint::kStrokeAndFill_Style) { 359 float outsetDistance = op.paint->getStrokeWidth() / 2; 360 bounds.outset(outsetDistance, outsetDistance); 361 } 362 return bounds; 363} 364 365void BakedOpDispatcher::onArcOp(BakedOpRenderer& renderer, const ArcOp& op, const BakedOpState& state) { 366 // TODO: support fills (accounting for concavity if useCenter && sweepAngle > 180) 367 if (op.paint->getStyle() != SkPaint::kStroke_Style 368 || op.paint->getPathEffect() != nullptr 369 || op.useCenter) { 370 PathTexture* texture = renderer.caches().pathCache.getArc( 371 op.unmappedBounds.getWidth(), op.unmappedBounds.getHeight(), 372 op.startAngle, op.sweepAngle, op.useCenter, op.paint); 373 const AutoTexture holder(texture); 374 if (CC_LIKELY(holder.texture)) { 375 renderPathTexture(renderer, state, op.unmappedBounds.left, op.unmappedBounds.top, 376 *texture, *(op.paint)); 377 } 378 } else { 379 SkRect rect = getBoundsOfFill(op); 380 SkPath path; 381 if (op.useCenter) { 382 path.moveTo(rect.centerX(), rect.centerY()); 383 } 384 path.arcTo(rect, op.startAngle, op.sweepAngle, !op.useCenter); 385 if (op.useCenter) { 386 path.close(); 387 } 388 renderConvexPath(renderer, state, path, *(op.paint)); 389 } 390} 391 392void BakedOpDispatcher::onBitmapOp(BakedOpRenderer& renderer, const BitmapOp& op, const BakedOpState& state) { 393 Texture* texture = renderer.getTexture(op.bitmap); 394 if (!texture) return; 395 const AutoTexture autoCleanup(texture); 396 397 const int textureFillFlags = (op.bitmap->colorType() == kAlpha_8_SkColorType) 398 ? TextureFillFlags::IsAlphaMaskTexture : TextureFillFlags::None; 399 Glop glop; 400 GlopBuilder(renderer.renderState(), renderer.caches(), &glop) 401 .setRoundRectClipState(state.roundRectClipState) 402 .setMeshTexturedUnitQuad(texture->uvMapper) 403 .setFillTexturePaint(*texture, textureFillFlags, op.paint, state.alpha) 404 .setTransform(state.computedState.transform, TransformFlags::None) 405 .setModelViewMapUnitToRectSnap(Rect(texture->width(), texture->height())) 406 .build(); 407 renderer.renderGlop(state, glop); 408} 409 410void BakedOpDispatcher::onBitmapMeshOp(BakedOpRenderer& renderer, const BitmapMeshOp& op, const BakedOpState& state) { 411 const static UvMapper defaultUvMapper; 412 const uint32_t elementCount = op.meshWidth * op.meshHeight * 6; 413 414 std::unique_ptr<ColorTextureVertex[]> mesh(new ColorTextureVertex[elementCount]); 415 ColorTextureVertex* vertex = &mesh[0]; 416 417 const int* colors = op.colors; 418 std::unique_ptr<int[]> tempColors; 419 if (!colors) { 420 uint32_t colorsCount = (op.meshWidth + 1) * (op.meshHeight + 1); 421 tempColors.reset(new int[colorsCount]); 422 memset(tempColors.get(), 0xff, colorsCount * sizeof(int)); 423 colors = tempColors.get(); 424 } 425 426 Texture* texture = renderer.renderState().assetAtlas().getEntryTexture(op.bitmap->pixelRef()); 427 const UvMapper& mapper(texture && texture->uvMapper ? *texture->uvMapper : defaultUvMapper); 428 429 for (int32_t y = 0; y < op.meshHeight; y++) { 430 for (int32_t x = 0; x < op.meshWidth; x++) { 431 uint32_t i = (y * (op.meshWidth + 1) + x) * 2; 432 433 float u1 = float(x) / op.meshWidth; 434 float u2 = float(x + 1) / op.meshWidth; 435 float v1 = float(y) / op.meshHeight; 436 float v2 = float(y + 1) / op.meshHeight; 437 438 mapper.map(u1, v1, u2, v2); 439 440 int ax = i + (op.meshWidth + 1) * 2; 441 int ay = ax + 1; 442 int bx = i; 443 int by = bx + 1; 444 int cx = i + 2; 445 int cy = cx + 1; 446 int dx = i + (op.meshWidth + 1) * 2 + 2; 447 int dy = dx + 1; 448 449 const float* vertices = op.vertices; 450 ColorTextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2, colors[dx / 2]); 451 ColorTextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2, colors[ax / 2]); 452 ColorTextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1, colors[bx / 2]); 453 454 ColorTextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2, colors[dx / 2]); 455 ColorTextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1, colors[bx / 2]); 456 ColorTextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1, colors[cx / 2]); 457 } 458 } 459 460 if (!texture) { 461 texture = renderer.caches().textureCache.get(op.bitmap); 462 if (!texture) { 463 return; 464 } 465 } 466 const AutoTexture autoCleanup(texture); 467 468 /* 469 * TODO: handle alpha_8 textures correctly by applying paint color, but *not* 470 * shader in that case to mimic the behavior in SkiaCanvas::drawBitmapMesh. 471 */ 472 const int textureFillFlags = TextureFillFlags::None; 473 Glop glop; 474 GlopBuilder(renderer.renderState(), renderer.caches(), &glop) 475 .setRoundRectClipState(state.roundRectClipState) 476 .setMeshColoredTexturedMesh(mesh.get(), elementCount) 477 .setFillTexturePaint(*texture, textureFillFlags, op.paint, state.alpha) 478 .setTransform(state.computedState.transform, TransformFlags::None) 479 .setModelViewOffsetRect(0, 0, op.unmappedBounds) 480 .build(); 481 renderer.renderGlop(state, glop); 482} 483 484void BakedOpDispatcher::onBitmapRectOp(BakedOpRenderer& renderer, const BitmapRectOp& op, const BakedOpState& state) { 485 Texture* texture = renderer.getTexture(op.bitmap); 486 if (!texture) return; 487 const AutoTexture autoCleanup(texture); 488 489 Rect uv(std::max(0.0f, op.src.left / texture->width()), 490 std::max(0.0f, op.src.top / texture->height()), 491 std::min(1.0f, op.src.right / texture->width()), 492 std::min(1.0f, op.src.bottom / texture->height())); 493 494 const int textureFillFlags = (op.bitmap->colorType() == kAlpha_8_SkColorType) 495 ? TextureFillFlags::IsAlphaMaskTexture : TextureFillFlags::None; 496 const bool tryToSnap = MathUtils::areEqual(op.src.getWidth(), op.unmappedBounds.getWidth()) 497 && MathUtils::areEqual(op.src.getHeight(), op.unmappedBounds.getHeight()); 498 Glop glop; 499 GlopBuilder(renderer.renderState(), renderer.caches(), &glop) 500 .setRoundRectClipState(state.roundRectClipState) 501 .setMeshTexturedUvQuad(texture->uvMapper, uv) 502 .setFillTexturePaint(*texture, textureFillFlags, op.paint, state.alpha) 503 .setTransform(state.computedState.transform, TransformFlags::None) 504 .setModelViewMapUnitToRectOptionalSnap(tryToSnap, op.unmappedBounds) 505 .build(); 506 renderer.renderGlop(state, glop); 507} 508 509void BakedOpDispatcher::onColorOp(BakedOpRenderer& renderer, const ColorOp& op, const BakedOpState& state) { 510 SkPaint paint; 511 paint.setColor(op.color); 512 paint.setXfermodeMode(op.mode); 513 514 Glop glop; 515 GlopBuilder(renderer.renderState(), renderer.caches(), &glop) 516 .setRoundRectClipState(state.roundRectClipState) 517 .setMeshUnitQuad() 518 .setFillPaint(paint, state.alpha) 519 .setTransform(Matrix4::identity(), TransformFlags::None) 520 .setModelViewMapUnitToRect(state.computedState.clipState->rect) 521 .build(); 522 renderer.renderGlop(state, glop); 523} 524 525void BakedOpDispatcher::onFunctorOp(BakedOpRenderer& renderer, const FunctorOp& op, const BakedOpState& state) { 526 renderer.renderFunctor(op, state); 527} 528 529void BakedOpDispatcher::onLinesOp(BakedOpRenderer& renderer, const LinesOp& op, const BakedOpState& state) { 530 VertexBuffer buffer; 531 PathTessellator::tessellateLines(op.points, op.floatCount, op.paint, 532 state.computedState.transform, buffer); 533 int displayFlags = op.paint->isAntiAlias() ? 0 : VertexBufferRenderFlags::Offset; 534 renderVertexBuffer(renderer, state, buffer, 0, 0, *(op.paint), displayFlags); 535} 536 537void BakedOpDispatcher::onOvalOp(BakedOpRenderer& renderer, const OvalOp& op, const BakedOpState& state) { 538 if (op.paint->getPathEffect() != nullptr) { 539 PathTexture* texture = renderer.caches().pathCache.getOval( 540 op.unmappedBounds.getWidth(), op.unmappedBounds.getHeight(), op.paint); 541 const AutoTexture holder(texture); 542 if (CC_LIKELY(holder.texture)) { 543 renderPathTexture(renderer, state, op.unmappedBounds.left, op.unmappedBounds.right, 544 *texture, *(op.paint)); 545 } 546 } else { 547 SkPath path; 548 SkRect rect = getBoundsOfFill(op); 549 path.addOval(rect); 550 551 if (state.computedState.localProjectionPathMask != nullptr) { 552 // Mask the ripple path by the local space projection mask in local space. 553 // Note that this can create CCW paths. 554 Op(path, *state.computedState.localProjectionPathMask, kIntersect_SkPathOp, &path); 555 } 556 renderConvexPath(renderer, state, path, *(op.paint)); 557 } 558} 559 560void BakedOpDispatcher::onPatchOp(BakedOpRenderer& renderer, const PatchOp& op, const BakedOpState& state) { 561 // 9 patches are built for stretching - always filter 562 int textureFillFlags = TextureFillFlags::ForceFilter; 563 if (op.bitmap->colorType() == kAlpha_8_SkColorType) { 564 textureFillFlags |= TextureFillFlags::IsAlphaMaskTexture; 565 } 566 567 // TODO: avoid redoing the below work each frame: 568 AssetAtlas::Entry* entry = renderer.renderState().assetAtlas().getEntry(op.bitmap->pixelRef()); 569 const Patch* mesh = renderer.caches().patchCache.get( 570 entry, op.bitmap->width(), op.bitmap->height(), 571 op.unmappedBounds.getWidth(), op.unmappedBounds.getHeight(), op.patch); 572 573 Texture* texture = entry ? entry->texture : renderer.caches().textureCache.get(op.bitmap); 574 if (CC_LIKELY(texture)) { 575 const AutoTexture autoCleanup(texture); 576 Glop glop; 577 GlopBuilder(renderer.renderState(), renderer.caches(), &glop) 578 .setRoundRectClipState(state.roundRectClipState) 579 .setMeshPatchQuads(*mesh) 580 .setFillTexturePaint(*texture, textureFillFlags, op.paint, state.alpha) 581 .setTransform(state.computedState.transform, TransformFlags::None) 582 .setModelViewOffsetRectSnap(op.unmappedBounds.left, op.unmappedBounds.top, 583 Rect(op.unmappedBounds.getWidth(), op.unmappedBounds.getHeight())) 584 .build(); 585 renderer.renderGlop(state, glop); 586 } 587} 588 589void BakedOpDispatcher::onPathOp(BakedOpRenderer& renderer, const PathOp& op, const BakedOpState& state) { 590 PathTexture* texture = renderer.caches().pathCache.get(op.path, op.paint); 591 const AutoTexture holder(texture); 592 if (CC_LIKELY(holder.texture)) { 593 // Unlike other callers to renderPathTexture, no offsets are used because PathOp doesn't 594 // have any translate built in, other than what's in the SkPath itself 595 renderPathTexture(renderer, state, 0, 0, *texture, *(op.paint)); 596 } 597} 598 599void BakedOpDispatcher::onPointsOp(BakedOpRenderer& renderer, const PointsOp& op, const BakedOpState& state) { 600 VertexBuffer buffer; 601 PathTessellator::tessellatePoints(op.points, op.floatCount, op.paint, 602 state.computedState.transform, buffer); 603 int displayFlags = op.paint->isAntiAlias() ? 0 : VertexBufferRenderFlags::Offset; 604 renderVertexBuffer(renderer, state, buffer, 0, 0, *(op.paint), displayFlags); 605} 606 607// See SkPaintDefaults.h 608#define SkPaintDefaults_MiterLimit SkIntToScalar(4) 609 610void BakedOpDispatcher::onRectOp(BakedOpRenderer& renderer, const RectOp& op, const BakedOpState& state) { 611 if (op.paint->getStyle() != SkPaint::kFill_Style) { 612 // only fill + default miter is supported by drawConvexPath, since others must handle joins 613 static_assert(SkPaintDefaults_MiterLimit == 4.0f, "Miter limit has changed"); 614 if (CC_UNLIKELY(op.paint->getPathEffect() != nullptr 615 || op.paint->getStrokeJoin() != SkPaint::kMiter_Join 616 || op.paint->getStrokeMiter() != SkPaintDefaults_MiterLimit)) { 617 PathTexture* texture = renderer.caches().pathCache.getRect( 618 op.unmappedBounds.getWidth(), op.unmappedBounds.getHeight(), op.paint); 619 const AutoTexture holder(texture); 620 if (CC_LIKELY(holder.texture)) { 621 renderPathTexture(renderer, state, op.unmappedBounds.left, op.unmappedBounds.top, 622 *texture, *(op.paint)); 623 } 624 } else { 625 SkPath path; 626 path.addRect(getBoundsOfFill(op)); 627 renderConvexPath(renderer, state, path, *(op.paint)); 628 } 629 } else { 630 if (op.paint->isAntiAlias() && !state.computedState.transform.isSimple()) { 631 SkPath path; 632 path.addRect(op.unmappedBounds.toSkRect()); 633 renderConvexPath(renderer, state, path, *(op.paint)); 634 } else { 635 // render simple unit quad, no tessellation required 636 Glop glop; 637 GlopBuilder(renderer.renderState(), renderer.caches(), &glop) 638 .setRoundRectClipState(state.roundRectClipState) 639 .setMeshUnitQuad() 640 .setFillPaint(*op.paint, state.alpha) 641 .setTransform(state.computedState.transform, TransformFlags::None) 642 .setModelViewMapUnitToRect(op.unmappedBounds) 643 .build(); 644 renderer.renderGlop(state, glop); 645 } 646 } 647} 648 649void BakedOpDispatcher::onRoundRectOp(BakedOpRenderer& renderer, const RoundRectOp& op, const BakedOpState& state) { 650 if (op.paint->getPathEffect() != nullptr) { 651 PathTexture* texture = renderer.caches().pathCache.getRoundRect( 652 op.unmappedBounds.getWidth(), op.unmappedBounds.getHeight(), 653 op.rx, op.ry, op.paint); 654 const AutoTexture holder(texture); 655 if (CC_LIKELY(holder.texture)) { 656 renderPathTexture(renderer, state, op.unmappedBounds.left, op.unmappedBounds.top, 657 *texture, *(op.paint)); 658 } 659 } else { 660 const VertexBuffer* buffer = renderer.caches().tessellationCache.getRoundRect( 661 state.computedState.transform, *(op.paint), 662 op.unmappedBounds.getWidth(), op.unmappedBounds.getHeight(), op.rx, op.ry); 663 renderVertexBuffer(renderer, state, *buffer, 664 op.unmappedBounds.left, op.unmappedBounds.top, *(op.paint), 0); 665 } 666} 667 668static void renderShadow(BakedOpRenderer& renderer, const BakedOpState& state, float casterAlpha, 669 const VertexBuffer* ambientShadowVertexBuffer, const VertexBuffer* spotShadowVertexBuffer) { 670 SkPaint paint; 671 paint.setAntiAlias(true); // want to use AlphaVertex 672 673 // The caller has made sure casterAlpha > 0. 674 uint8_t ambientShadowAlpha = renderer.getLightInfo().ambientShadowAlpha; 675 if (CC_UNLIKELY(Properties::overrideAmbientShadowStrength >= 0)) { 676 ambientShadowAlpha = Properties::overrideAmbientShadowStrength; 677 } 678 if (ambientShadowVertexBuffer && ambientShadowAlpha > 0) { 679 paint.setAlpha((uint8_t)(casterAlpha * ambientShadowAlpha)); 680 renderVertexBuffer(renderer, state, *ambientShadowVertexBuffer, 0, 0, 681 paint, VertexBufferRenderFlags::ShadowInterp); 682 } 683 684 uint8_t spotShadowAlpha = renderer.getLightInfo().spotShadowAlpha; 685 if (CC_UNLIKELY(Properties::overrideSpotShadowStrength >= 0)) { 686 spotShadowAlpha = Properties::overrideSpotShadowStrength; 687 } 688 if (spotShadowVertexBuffer && spotShadowAlpha > 0) { 689 paint.setAlpha((uint8_t)(casterAlpha * spotShadowAlpha)); 690 renderVertexBuffer(renderer, state, *spotShadowVertexBuffer, 0, 0, 691 paint, VertexBufferRenderFlags::ShadowInterp); 692 } 693} 694 695void BakedOpDispatcher::onShadowOp(BakedOpRenderer& renderer, const ShadowOp& op, const BakedOpState& state) { 696 TessellationCache::vertexBuffer_pair_t buffers = op.shadowTask->getResult(); 697 renderShadow(renderer, state, op.casterAlpha, buffers.first, buffers.second); 698} 699 700void BakedOpDispatcher::onSimpleRectsOp(BakedOpRenderer& renderer, const SimpleRectsOp& op, const BakedOpState& state) { 701 Glop glop; 702 GlopBuilder(renderer.renderState(), renderer.caches(), &glop) 703 .setRoundRectClipState(state.roundRectClipState) 704 .setMeshIndexedQuads(&op.vertices[0], op.vertexCount / 4) 705 .setFillPaint(*op.paint, state.alpha) 706 .setTransform(state.computedState.transform, TransformFlags::None) 707 .setModelViewOffsetRect(0, 0, op.unmappedBounds) 708 .build(); 709 renderer.renderGlop(state, glop); 710} 711 712void BakedOpDispatcher::onTextOp(BakedOpRenderer& renderer, const TextOp& op, const BakedOpState& state) { 713 renderTextOp(renderer, op, state, state.computedState.getClipIfNeeded(), TextRenderType::Flush); 714} 715 716void BakedOpDispatcher::onTextOnPathOp(BakedOpRenderer& renderer, const TextOnPathOp& op, const BakedOpState& state) { 717 // Note: can't trust clipSideFlags since we record with unmappedBounds == clip. 718 // TODO: respect clipSideFlags, once we record with bounds 719 auto renderTargetClip = state.computedState.clipState; 720 721 FontRenderer& fontRenderer = renderer.caches().fontRenderer.getFontRenderer(); 722 fontRenderer.setFont(op.paint, SkMatrix::I()); 723 fontRenderer.setTextureFiltering(true); 724 725 Rect layerBounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 726 727 int alpha = PaintUtils::getAlphaDirect(op.paint) * state.alpha; 728 SkXfermode::Mode mode = PaintUtils::getXfermodeDirect(op.paint); 729 TextDrawFunctor functor(&renderer, &state, renderTargetClip, 730 0.0f, 0.0f, false, alpha, mode, op.paint); 731 732 bool mustDirtyRenderTarget = renderer.offscreenRenderTarget(); 733 const Rect localSpaceClip = state.computedState.computeLocalSpaceClip(); 734 if (fontRenderer.renderTextOnPath(op.paint, &localSpaceClip, op.glyphs, op.glyphCount, 735 op.path, op.hOffset, op.vOffset, 736 mustDirtyRenderTarget ? &layerBounds : nullptr, &functor)) { 737 if (mustDirtyRenderTarget) { 738 // manually dirty render target, since TextDrawFunctor won't 739 state.computedState.transform.mapRect(layerBounds); 740 renderer.dirtyRenderTarget(layerBounds); 741 } 742 } 743} 744 745void BakedOpDispatcher::onTextureLayerOp(BakedOpRenderer& renderer, const TextureLayerOp& op, const BakedOpState& state) { 746 const bool tryToSnap = !op.layer->getForceFilter(); 747 float alpha = (op.layer->getAlpha() / 255.0f) * state.alpha; 748 Glop glop; 749 GlopBuilder(renderer.renderState(), renderer.caches(), &glop) 750 .setRoundRectClipState(state.roundRectClipState) 751 .setMeshTexturedUvQuad(nullptr, Rect(0, 1, 1, 0)) // TODO: simplify with VBO 752 .setFillTextureLayer(*(op.layer), alpha) 753 .setTransform(state.computedState.transform, TransformFlags::None) 754 .setModelViewMapUnitToRectOptionalSnap(tryToSnap, Rect(op.layer->getWidth(), op.layer->getHeight())) 755 .build(); 756 renderer.renderGlop(state, glop); 757} 758 759void BakedOpDispatcher::onLayerOp(BakedOpRenderer& renderer, const LayerOp& op, const BakedOpState& state) { 760 // Note that we don't use op->paint in this function - it's never set on a LayerOp 761 OffscreenBuffer* buffer = *op.layerHandle; 762 763 if (CC_UNLIKELY(!buffer)) { 764 // Layer was not allocated, which can occur if there were no draw ops inside. We draw the 765 // equivalent by drawing a rect with the same layer properties (alpha/xfer/filter). 766 SkPaint paint; 767 paint.setAlpha(op.alpha * 255); 768 paint.setXfermodeMode(op.mode); 769 paint.setColorFilter(op.colorFilter); 770 RectOp rectOp(op.unmappedBounds, op.localMatrix, op.localClip, &paint); 771 BakedOpDispatcher::onRectOp(renderer, rectOp, state); 772 } else { 773 float layerAlpha = op.alpha * state.alpha; 774 Glop glop; 775 GlopBuilder(renderer.renderState(), renderer.caches(), &glop) 776 .setRoundRectClipState(state.roundRectClipState) 777 .setMeshTexturedIndexedVbo(buffer->vbo, buffer->elementCount) 778 .setFillLayer(buffer->texture, op.colorFilter, layerAlpha, op.mode, Blend::ModeOrderSwap::NoSwap) 779 .setTransform(state.computedState.transform, TransformFlags::None) 780 .setModelViewOffsetRectSnap(op.unmappedBounds.left, op.unmappedBounds.top, 781 Rect(op.unmappedBounds.getWidth(), op.unmappedBounds.getHeight())) 782 .build(); 783 renderer.renderGlop(state, glop); 784 785 if (op.destroy) { 786 renderer.renderState().layerPool().putOrDelete(buffer); 787 } 788 } 789} 790 791void BakedOpDispatcher::onCopyToLayerOp(BakedOpRenderer& renderer, const CopyToLayerOp& op, const BakedOpState& state) { 792 LOG_ALWAYS_FATAL_IF(*(op.layerHandle) != nullptr, "layer already exists!"); 793 *(op.layerHandle) = renderer.copyToLayer(state.computedState.clippedBounds); 794 LOG_ALWAYS_FATAL_IF(*op.layerHandle == nullptr, "layer copy failed"); 795} 796 797void BakedOpDispatcher::onCopyFromLayerOp(BakedOpRenderer& renderer, const CopyFromLayerOp& op, const BakedOpState& state) { 798 LOG_ALWAYS_FATAL_IF(*op.layerHandle == nullptr, "no layer to draw underneath!"); 799 if (!state.computedState.clippedBounds.isEmpty()) { 800 if (op.paint && op.paint->getAlpha() < 255) { 801 SkPaint layerPaint; 802 layerPaint.setAlpha(op.paint->getAlpha()); 803 layerPaint.setXfermodeMode(SkXfermode::kDstIn_Mode); 804 layerPaint.setColorFilter(op.paint->getColorFilter()); 805 RectOp rectOp(state.computedState.clippedBounds, Matrix4::identity(), nullptr, &layerPaint); 806 BakedOpDispatcher::onRectOp(renderer, rectOp, state); 807 } 808 809 OffscreenBuffer& layer = **(op.layerHandle); 810 auto mode = PaintUtils::getXfermodeDirect(op.paint); 811 Glop glop; 812 GlopBuilder(renderer.renderState(), renderer.caches(), &glop) 813 .setRoundRectClipState(state.roundRectClipState) 814 .setMeshTexturedUvQuad(nullptr, layer.getTextureCoordinates()) 815 .setFillLayer(layer.texture, nullptr, 1.0f, mode, Blend::ModeOrderSwap::Swap) 816 .setTransform(state.computedState.transform, TransformFlags::None) 817 .setModelViewMapUnitToRect(state.computedState.clippedBounds) 818 .build(); 819 renderer.renderGlop(state, glop); 820 } 821 renderer.renderState().layerPool().putOrDelete(*op.layerHandle); 822} 823 824} // namespace uirenderer 825} // namespace android 826