BakedOpDispatcher.cpp revision e98a046d3110eb2ff11a17f4ff27764b803a1379
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& textOpState) { 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(textOpState.roundRectClipState) 220 .setMeshTexturedUnitQuad(nullptr) 221 .setFillShadowTexturePaint(*texture, textShadow.color, *op.paint, textOpState.alpha) 222 .setTransform(textOpState.computedState.transform, TransformFlags::None) 223 .setModelViewMapUnitToRect(Rect(sx, sy, sx + texture->width(), sy + texture->height())) 224 .build(); 225 226 // Compute damage bounds and clip (since may differ from those in textOpState). 227 // Bounds should be same as text op, but with dx/dy offset and radius outset 228 // applied in local space. 229 auto& transform = textOpState.computedState.transform; 230 Rect shadowBounds = op.unmappedBounds; // STROKE 231 const bool expandForStroke = op.paint->getStyle() != SkPaint::kFill_Style; 232 if (expandForStroke) { 233 shadowBounds.outset(op.paint->getStrokeWidth() * 0.5f); 234 } 235 shadowBounds.translate(textShadow.dx, textShadow.dy); 236 shadowBounds.outset(textShadow.radius, textShadow.radius); 237 transform.mapRect(shadowBounds); 238 if (CC_UNLIKELY(expandForStroke && 239 (!transform.isPureTranslate() || op.paint->getStrokeWidth() < 1.0f))) { 240 shadowBounds.outset(0.5f); 241 } 242 243 auto clipState = textOpState.computedState.clipState; 244 if (clipState->mode != ClipMode::Rectangle 245 || !clipState->rect.contains(shadowBounds)) { 246 // need clip, so pass it and clip bounds 247 shadowBounds.doIntersect(clipState->rect); 248 } else { 249 // don't need clip, ignore 250 clipState = nullptr; 251 } 252 253 renderer.renderGlop(&shadowBounds, clipState, glop); 254} 255 256enum class TextRenderType { 257 Defer, 258 Flush 259}; 260 261static void renderTextOp(BakedOpRenderer& renderer, const TextOp& op, const BakedOpState& state, 262 const ClipBase* renderClip, TextRenderType renderType) { 263 FontRenderer& fontRenderer = renderer.caches().fontRenderer.getFontRenderer(); 264 265 if (CC_UNLIKELY(PaintUtils::hasTextShadow(op.paint))) { 266 fontRenderer.setFont(op.paint, SkMatrix::I()); 267 renderTextShadow(renderer, fontRenderer, op, state); 268 } 269 270 float x = op.x; 271 float y = op.y; 272 const Matrix4& transform = state.computedState.transform; 273 const bool pureTranslate = transform.isPureTranslate(); 274 if (CC_LIKELY(pureTranslate)) { 275 x = floorf(x + transform.getTranslateX() + 0.5f); 276 y = floorf(y + transform.getTranslateY() + 0.5f); 277 fontRenderer.setFont(op.paint, SkMatrix::I()); 278 fontRenderer.setTextureFiltering(false); 279 } else if (CC_UNLIKELY(transform.isPerspective())) { 280 fontRenderer.setFont(op.paint, SkMatrix::I()); 281 fontRenderer.setTextureFiltering(true); 282 } else { 283 // We only pass a partial transform to the font renderer. That partial 284 // matrix defines how glyphs are rasterized. Typically we want glyphs 285 // to be rasterized at their final size on screen, which means the partial 286 // matrix needs to take the scale factor into account. 287 // When a partial matrix is used to transform glyphs during rasterization, 288 // the mesh is generated with the inverse transform (in the case of scale, 289 // the mesh is generated at 1.0 / scale for instance.) This allows us to 290 // apply the full transform matrix at draw time in the vertex shader. 291 // Applying the full matrix in the shader is the easiest way to handle 292 // rotation and perspective and allows us to always generated quads in the 293 // font renderer which greatly simplifies the code, clipping in particular. 294 float sx, sy; 295 transform.decomposeScale(sx, sy); 296 fontRenderer.setFont(op.paint, SkMatrix::MakeScale( 297 roundf(std::max(1.0f, sx)), 298 roundf(std::max(1.0f, sy)))); 299 fontRenderer.setTextureFiltering(true); 300 } 301 Rect layerBounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 302 303 int alpha = PaintUtils::getAlphaDirect(op.paint) * state.alpha; 304 SkXfermode::Mode mode = PaintUtils::getXfermodeDirect(op.paint); 305 TextDrawFunctor functor(&renderer, &state, renderClip, 306 x, y, pureTranslate, alpha, mode, op.paint); 307 308 bool forceFinish = (renderType == TextRenderType::Flush); 309 bool mustDirtyRenderTarget = renderer.offscreenRenderTarget(); 310 const Rect* localOpClip = pureTranslate ? &state.computedState.clipRect() : nullptr; 311 fontRenderer.renderPosText(op.paint, localOpClip, op.glyphs, op.glyphCount, x, y, 312 op.positions, mustDirtyRenderTarget ? &layerBounds : nullptr, &functor, forceFinish); 313 314 if (mustDirtyRenderTarget) { 315 if (!pureTranslate) { 316 transform.mapRect(layerBounds); 317 } 318 renderer.dirtyRenderTarget(layerBounds); 319 } 320} 321 322void BakedOpDispatcher::onMergedTextOps(BakedOpRenderer& renderer, 323 const MergedBakedOpList& opList) { 324 ClipRect renderTargetClip(opList.clip); 325 const ClipBase* clip = opList.clipSideFlags ? &renderTargetClip : nullptr; 326 for (size_t i = 0; i < opList.count; i++) { 327 const BakedOpState& state = *(opList.states[i]); 328 const TextOp& op = *(static_cast<const TextOp*>(state.op)); 329 TextRenderType renderType = (i + 1 == opList.count) 330 ? TextRenderType::Flush : TextRenderType::Defer; 331 renderTextOp(renderer, op, state, clip, renderType); 332 } 333} 334 335namespace VertexBufferRenderFlags { 336 enum { 337 Offset = 0x1, 338 ShadowInterp = 0x2, 339 }; 340} 341 342static void renderVertexBuffer(BakedOpRenderer& renderer, const BakedOpState& state, 343 const VertexBuffer& vertexBuffer, float translateX, float translateY, 344 const SkPaint& paint, int vertexBufferRenderFlags) { 345 if (CC_LIKELY(vertexBuffer.getVertexCount())) { 346 bool shadowInterp = vertexBufferRenderFlags & VertexBufferRenderFlags::ShadowInterp; 347 const int transformFlags = TransformFlags::OffsetByFudgeFactor; 348 Glop glop; 349 GlopBuilder(renderer.renderState(), renderer.caches(), &glop) 350 .setRoundRectClipState(state.roundRectClipState) 351 .setMeshVertexBuffer(vertexBuffer, shadowInterp) 352 .setFillPaint(paint, state.alpha) 353 .setTransform(state.computedState.transform, transformFlags) 354 .setModelViewOffsetRect(translateX, translateY, vertexBuffer.getBounds()) 355 .build(); 356 renderer.renderGlop(state, glop); 357 } 358} 359 360static void renderConvexPath(BakedOpRenderer& renderer, const BakedOpState& state, 361 const SkPath& path, const SkPaint& paint) { 362 VertexBuffer vertexBuffer; 363 // TODO: try clipping large paths to viewport 364 PathTessellator::tessellatePath(path, &paint, state.computedState.transform, vertexBuffer); 365 renderVertexBuffer(renderer, state, vertexBuffer, 0.0f, 0.0f, paint, 0); 366} 367 368static void renderPathTexture(BakedOpRenderer& renderer, const BakedOpState& state, 369 float xOffset, float yOffset, PathTexture& texture, const SkPaint& paint) { 370 Rect dest(texture.width(), texture.height()); 371 dest.translate(xOffset + texture.left - texture.offset, 372 yOffset + texture.top - texture.offset); 373 Glop glop; 374 GlopBuilder(renderer.renderState(), renderer.caches(), &glop) 375 .setRoundRectClipState(state.roundRectClipState) 376 .setMeshTexturedUnitQuad(nullptr) 377 .setFillPathTexturePaint(texture, paint, state.alpha) 378 .setTransform(state.computedState.transform, TransformFlags::None) 379 .setModelViewMapUnitToRect(dest) 380 .build(); 381 renderer.renderGlop(state, glop); 382} 383 384SkRect getBoundsOfFill(const RecordedOp& op) { 385 SkRect bounds = op.unmappedBounds.toSkRect(); 386 if (op.paint->getStyle() == SkPaint::kStrokeAndFill_Style) { 387 float outsetDistance = op.paint->getStrokeWidth() / 2; 388 bounds.outset(outsetDistance, outsetDistance); 389 } 390 return bounds; 391} 392 393void BakedOpDispatcher::onArcOp(BakedOpRenderer& renderer, const ArcOp& op, const BakedOpState& state) { 394 // TODO: support fills (accounting for concavity if useCenter && sweepAngle > 180) 395 if (op.paint->getStyle() != SkPaint::kStroke_Style 396 || op.paint->getPathEffect() != nullptr 397 || op.useCenter) { 398 PathTexture* texture = renderer.caches().pathCache.getArc( 399 op.unmappedBounds.getWidth(), op.unmappedBounds.getHeight(), 400 op.startAngle, op.sweepAngle, op.useCenter, op.paint); 401 const AutoTexture holder(texture); 402 if (CC_LIKELY(holder.texture)) { 403 renderPathTexture(renderer, state, op.unmappedBounds.left, op.unmappedBounds.top, 404 *texture, *(op.paint)); 405 } 406 } else { 407 SkRect rect = getBoundsOfFill(op); 408 SkPath path; 409 if (op.useCenter) { 410 path.moveTo(rect.centerX(), rect.centerY()); 411 } 412 path.arcTo(rect, op.startAngle, op.sweepAngle, !op.useCenter); 413 if (op.useCenter) { 414 path.close(); 415 } 416 renderConvexPath(renderer, state, path, *(op.paint)); 417 } 418} 419 420void BakedOpDispatcher::onBitmapOp(BakedOpRenderer& renderer, const BitmapOp& op, const BakedOpState& state) { 421 Texture* texture = renderer.getTexture(op.bitmap); 422 if (!texture) return; 423 const AutoTexture autoCleanup(texture); 424 425 const int textureFillFlags = (op.bitmap->colorType() == kAlpha_8_SkColorType) 426 ? TextureFillFlags::IsAlphaMaskTexture : TextureFillFlags::None; 427 Glop glop; 428 GlopBuilder(renderer.renderState(), renderer.caches(), &glop) 429 .setRoundRectClipState(state.roundRectClipState) 430 .setMeshTexturedUnitQuad(texture->uvMapper) 431 .setFillTexturePaint(*texture, textureFillFlags, op.paint, state.alpha) 432 .setTransform(state.computedState.transform, TransformFlags::None) 433 .setModelViewMapUnitToRectSnap(Rect(texture->width(), texture->height())) 434 .build(); 435 renderer.renderGlop(state, glop); 436} 437 438void BakedOpDispatcher::onBitmapMeshOp(BakedOpRenderer& renderer, const BitmapMeshOp& op, const BakedOpState& state) { 439 const static UvMapper defaultUvMapper; 440 const uint32_t elementCount = op.meshWidth * op.meshHeight * 6; 441 442 std::unique_ptr<ColorTextureVertex[]> mesh(new ColorTextureVertex[elementCount]); 443 ColorTextureVertex* vertex = &mesh[0]; 444 445 const int* colors = op.colors; 446 std::unique_ptr<int[]> tempColors; 447 if (!colors) { 448 uint32_t colorsCount = (op.meshWidth + 1) * (op.meshHeight + 1); 449 tempColors.reset(new int[colorsCount]); 450 memset(tempColors.get(), 0xff, colorsCount * sizeof(int)); 451 colors = tempColors.get(); 452 } 453 454 Texture* texture = renderer.renderState().assetAtlas().getEntryTexture(op.bitmap->pixelRef()); 455 const UvMapper& mapper(texture && texture->uvMapper ? *texture->uvMapper : defaultUvMapper); 456 457 for (int32_t y = 0; y < op.meshHeight; y++) { 458 for (int32_t x = 0; x < op.meshWidth; x++) { 459 uint32_t i = (y * (op.meshWidth + 1) + x) * 2; 460 461 float u1 = float(x) / op.meshWidth; 462 float u2 = float(x + 1) / op.meshWidth; 463 float v1 = float(y) / op.meshHeight; 464 float v2 = float(y + 1) / op.meshHeight; 465 466 mapper.map(u1, v1, u2, v2); 467 468 int ax = i + (op.meshWidth + 1) * 2; 469 int ay = ax + 1; 470 int bx = i; 471 int by = bx + 1; 472 int cx = i + 2; 473 int cy = cx + 1; 474 int dx = i + (op.meshWidth + 1) * 2 + 2; 475 int dy = dx + 1; 476 477 const float* vertices = op.vertices; 478 ColorTextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2, colors[dx / 2]); 479 ColorTextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2, colors[ax / 2]); 480 ColorTextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1, colors[bx / 2]); 481 482 ColorTextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2, colors[dx / 2]); 483 ColorTextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1, colors[bx / 2]); 484 ColorTextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1, colors[cx / 2]); 485 } 486 } 487 488 if (!texture) { 489 texture = renderer.caches().textureCache.get(op.bitmap); 490 if (!texture) { 491 return; 492 } 493 } 494 const AutoTexture autoCleanup(texture); 495 496 /* 497 * TODO: handle alpha_8 textures correctly by applying paint color, but *not* 498 * shader in that case to mimic the behavior in SkiaCanvas::drawBitmapMesh. 499 */ 500 const int textureFillFlags = TextureFillFlags::None; 501 Glop glop; 502 GlopBuilder(renderer.renderState(), renderer.caches(), &glop) 503 .setRoundRectClipState(state.roundRectClipState) 504 .setMeshColoredTexturedMesh(mesh.get(), elementCount) 505 .setFillTexturePaint(*texture, textureFillFlags, op.paint, state.alpha) 506 .setTransform(state.computedState.transform, TransformFlags::None) 507 .setModelViewOffsetRect(0, 0, op.unmappedBounds) 508 .build(); 509 renderer.renderGlop(state, glop); 510} 511 512void BakedOpDispatcher::onBitmapRectOp(BakedOpRenderer& renderer, const BitmapRectOp& op, const BakedOpState& state) { 513 Texture* texture = renderer.getTexture(op.bitmap); 514 if (!texture) return; 515 const AutoTexture autoCleanup(texture); 516 517 Rect uv(std::max(0.0f, op.src.left / texture->width()), 518 std::max(0.0f, op.src.top / texture->height()), 519 std::min(1.0f, op.src.right / texture->width()), 520 std::min(1.0f, op.src.bottom / texture->height())); 521 522 const int textureFillFlags = (op.bitmap->colorType() == kAlpha_8_SkColorType) 523 ? TextureFillFlags::IsAlphaMaskTexture : TextureFillFlags::None; 524 const bool tryToSnap = MathUtils::areEqual(op.src.getWidth(), op.unmappedBounds.getWidth()) 525 && MathUtils::areEqual(op.src.getHeight(), op.unmappedBounds.getHeight()); 526 Glop glop; 527 GlopBuilder(renderer.renderState(), renderer.caches(), &glop) 528 .setRoundRectClipState(state.roundRectClipState) 529 .setMeshTexturedUvQuad(texture->uvMapper, uv) 530 .setFillTexturePaint(*texture, textureFillFlags, op.paint, state.alpha) 531 .setTransform(state.computedState.transform, TransformFlags::None) 532 .setModelViewMapUnitToRectOptionalSnap(tryToSnap, op.unmappedBounds) 533 .build(); 534 renderer.renderGlop(state, glop); 535} 536 537void BakedOpDispatcher::onColorOp(BakedOpRenderer& renderer, const ColorOp& op, const BakedOpState& state) { 538 SkPaint paint; 539 paint.setColor(op.color); 540 paint.setXfermodeMode(op.mode); 541 542 Glop glop; 543 GlopBuilder(renderer.renderState(), renderer.caches(), &glop) 544 .setRoundRectClipState(state.roundRectClipState) 545 .setMeshUnitQuad() 546 .setFillPaint(paint, state.alpha) 547 .setTransform(Matrix4::identity(), TransformFlags::None) 548 .setModelViewMapUnitToRect(state.computedState.clipState->rect) 549 .build(); 550 renderer.renderGlop(state, glop); 551} 552 553void BakedOpDispatcher::onFunctorOp(BakedOpRenderer& renderer, const FunctorOp& op, const BakedOpState& state) { 554 renderer.renderFunctor(op, state); 555} 556 557void BakedOpDispatcher::onLinesOp(BakedOpRenderer& renderer, const LinesOp& op, const BakedOpState& state) { 558 VertexBuffer buffer; 559 PathTessellator::tessellateLines(op.points, op.floatCount, op.paint, 560 state.computedState.transform, buffer); 561 int displayFlags = op.paint->isAntiAlias() ? 0 : VertexBufferRenderFlags::Offset; 562 renderVertexBuffer(renderer, state, buffer, 0, 0, *(op.paint), displayFlags); 563} 564 565void BakedOpDispatcher::onOvalOp(BakedOpRenderer& renderer, const OvalOp& op, const BakedOpState& state) { 566 if (op.paint->getPathEffect() != nullptr) { 567 PathTexture* texture = renderer.caches().pathCache.getOval( 568 op.unmappedBounds.getWidth(), op.unmappedBounds.getHeight(), op.paint); 569 const AutoTexture holder(texture); 570 if (CC_LIKELY(holder.texture)) { 571 renderPathTexture(renderer, state, op.unmappedBounds.left, op.unmappedBounds.top, 572 *texture, *(op.paint)); 573 } 574 } else { 575 SkPath path; 576 SkRect rect = getBoundsOfFill(op); 577 path.addOval(rect); 578 579 if (state.computedState.localProjectionPathMask != nullptr) { 580 // Mask the ripple path by the local space projection mask in local space. 581 // Note that this can create CCW paths. 582 Op(path, *state.computedState.localProjectionPathMask, kIntersect_SkPathOp, &path); 583 } 584 renderConvexPath(renderer, state, path, *(op.paint)); 585 } 586} 587 588void BakedOpDispatcher::onPatchOp(BakedOpRenderer& renderer, const PatchOp& op, const BakedOpState& state) { 589 // 9 patches are built for stretching - always filter 590 int textureFillFlags = TextureFillFlags::ForceFilter; 591 if (op.bitmap->colorType() == kAlpha_8_SkColorType) { 592 textureFillFlags |= TextureFillFlags::IsAlphaMaskTexture; 593 } 594 595 // TODO: avoid redoing the below work each frame: 596 AssetAtlas::Entry* entry = renderer.renderState().assetAtlas().getEntry(op.bitmap->pixelRef()); 597 const Patch* mesh = renderer.caches().patchCache.get( 598 entry, op.bitmap->width(), op.bitmap->height(), 599 op.unmappedBounds.getWidth(), op.unmappedBounds.getHeight(), op.patch); 600 601 Texture* texture = entry ? entry->texture : renderer.caches().textureCache.get(op.bitmap); 602 if (CC_LIKELY(texture)) { 603 const AutoTexture autoCleanup(texture); 604 Glop glop; 605 GlopBuilder(renderer.renderState(), renderer.caches(), &glop) 606 .setRoundRectClipState(state.roundRectClipState) 607 .setMeshPatchQuads(*mesh) 608 .setFillTexturePaint(*texture, textureFillFlags, op.paint, state.alpha) 609 .setTransform(state.computedState.transform, TransformFlags::None) 610 .setModelViewOffsetRectSnap(op.unmappedBounds.left, op.unmappedBounds.top, 611 Rect(op.unmappedBounds.getWidth(), op.unmappedBounds.getHeight())) 612 .build(); 613 renderer.renderGlop(state, glop); 614 } 615} 616 617void BakedOpDispatcher::onPathOp(BakedOpRenderer& renderer, const PathOp& op, const BakedOpState& state) { 618 PathTexture* texture = renderer.caches().pathCache.get(op.path, op.paint); 619 const AutoTexture holder(texture); 620 if (CC_LIKELY(holder.texture)) { 621 // Unlike other callers to renderPathTexture, no offsets are used because PathOp doesn't 622 // have any translate built in, other than what's in the SkPath itself 623 renderPathTexture(renderer, state, 0, 0, *texture, *(op.paint)); 624 } 625} 626 627void BakedOpDispatcher::onPointsOp(BakedOpRenderer& renderer, const PointsOp& op, const BakedOpState& state) { 628 VertexBuffer buffer; 629 PathTessellator::tessellatePoints(op.points, op.floatCount, op.paint, 630 state.computedState.transform, buffer); 631 int displayFlags = op.paint->isAntiAlias() ? 0 : VertexBufferRenderFlags::Offset; 632 renderVertexBuffer(renderer, state, buffer, 0, 0, *(op.paint), displayFlags); 633} 634 635// See SkPaintDefaults.h 636#define SkPaintDefaults_MiterLimit SkIntToScalar(4) 637 638void BakedOpDispatcher::onRectOp(BakedOpRenderer& renderer, const RectOp& op, const BakedOpState& state) { 639 if (op.paint->getStyle() != SkPaint::kFill_Style) { 640 // only fill + default miter is supported by drawConvexPath, since others must handle joins 641 static_assert(SkPaintDefaults_MiterLimit == 4.0f, "Miter limit has changed"); 642 if (CC_UNLIKELY(op.paint->getPathEffect() != nullptr 643 || op.paint->getStrokeJoin() != SkPaint::kMiter_Join 644 || op.paint->getStrokeMiter() != SkPaintDefaults_MiterLimit)) { 645 PathTexture* texture = renderer.caches().pathCache.getRect( 646 op.unmappedBounds.getWidth(), op.unmappedBounds.getHeight(), op.paint); 647 const AutoTexture holder(texture); 648 if (CC_LIKELY(holder.texture)) { 649 renderPathTexture(renderer, state, op.unmappedBounds.left, op.unmappedBounds.top, 650 *texture, *(op.paint)); 651 } 652 } else { 653 SkPath path; 654 path.addRect(getBoundsOfFill(op)); 655 renderConvexPath(renderer, state, path, *(op.paint)); 656 } 657 } else { 658 if (op.paint->isAntiAlias() && !state.computedState.transform.isSimple()) { 659 SkPath path; 660 path.addRect(op.unmappedBounds.toSkRect()); 661 renderConvexPath(renderer, state, path, *(op.paint)); 662 } else { 663 // render simple unit quad, no tessellation required 664 Glop glop; 665 GlopBuilder(renderer.renderState(), renderer.caches(), &glop) 666 .setRoundRectClipState(state.roundRectClipState) 667 .setMeshUnitQuad() 668 .setFillPaint(*op.paint, state.alpha) 669 .setTransform(state.computedState.transform, TransformFlags::None) 670 .setModelViewMapUnitToRect(op.unmappedBounds) 671 .build(); 672 renderer.renderGlop(state, glop); 673 } 674 } 675} 676 677void BakedOpDispatcher::onRoundRectOp(BakedOpRenderer& renderer, const RoundRectOp& op, const BakedOpState& state) { 678 if (op.paint->getPathEffect() != nullptr) { 679 PathTexture* texture = renderer.caches().pathCache.getRoundRect( 680 op.unmappedBounds.getWidth(), op.unmappedBounds.getHeight(), 681 op.rx, op.ry, op.paint); 682 const AutoTexture holder(texture); 683 if (CC_LIKELY(holder.texture)) { 684 renderPathTexture(renderer, state, op.unmappedBounds.left, op.unmappedBounds.top, 685 *texture, *(op.paint)); 686 } 687 } else { 688 const VertexBuffer* buffer = renderer.caches().tessellationCache.getRoundRect( 689 state.computedState.transform, *(op.paint), 690 op.unmappedBounds.getWidth(), op.unmappedBounds.getHeight(), op.rx, op.ry); 691 renderVertexBuffer(renderer, state, *buffer, 692 op.unmappedBounds.left, op.unmappedBounds.top, *(op.paint), 0); 693 } 694} 695 696static void renderShadow(BakedOpRenderer& renderer, const BakedOpState& state, float casterAlpha, 697 const VertexBuffer* ambientShadowVertexBuffer, const VertexBuffer* spotShadowVertexBuffer) { 698 SkPaint paint; 699 paint.setAntiAlias(true); // want to use AlphaVertex 700 701 // The caller has made sure casterAlpha > 0. 702 uint8_t ambientShadowAlpha = renderer.getLightInfo().ambientShadowAlpha; 703 if (CC_UNLIKELY(Properties::overrideAmbientShadowStrength >= 0)) { 704 ambientShadowAlpha = Properties::overrideAmbientShadowStrength; 705 } 706 if (ambientShadowVertexBuffer && ambientShadowAlpha > 0) { 707 paint.setAlpha((uint8_t)(casterAlpha * ambientShadowAlpha)); 708 renderVertexBuffer(renderer, state, *ambientShadowVertexBuffer, 0, 0, 709 paint, VertexBufferRenderFlags::ShadowInterp); 710 } 711 712 uint8_t spotShadowAlpha = renderer.getLightInfo().spotShadowAlpha; 713 if (CC_UNLIKELY(Properties::overrideSpotShadowStrength >= 0)) { 714 spotShadowAlpha = Properties::overrideSpotShadowStrength; 715 } 716 if (spotShadowVertexBuffer && spotShadowAlpha > 0) { 717 paint.setAlpha((uint8_t)(casterAlpha * spotShadowAlpha)); 718 renderVertexBuffer(renderer, state, *spotShadowVertexBuffer, 0, 0, 719 paint, VertexBufferRenderFlags::ShadowInterp); 720 } 721} 722 723void BakedOpDispatcher::onShadowOp(BakedOpRenderer& renderer, const ShadowOp& op, const BakedOpState& state) { 724 TessellationCache::vertexBuffer_pair_t buffers = op.shadowTask->getResult(); 725 renderShadow(renderer, state, op.casterAlpha, buffers.first, buffers.second); 726} 727 728void BakedOpDispatcher::onSimpleRectsOp(BakedOpRenderer& renderer, const SimpleRectsOp& op, const BakedOpState& state) { 729 Glop glop; 730 GlopBuilder(renderer.renderState(), renderer.caches(), &glop) 731 .setRoundRectClipState(state.roundRectClipState) 732 .setMeshIndexedQuads(&op.vertices[0], op.vertexCount / 4) 733 .setFillPaint(*op.paint, state.alpha) 734 .setTransform(state.computedState.transform, TransformFlags::None) 735 .setModelViewOffsetRect(0, 0, op.unmappedBounds) 736 .build(); 737 renderer.renderGlop(state, glop); 738} 739 740void BakedOpDispatcher::onTextOp(BakedOpRenderer& renderer, const TextOp& op, const BakedOpState& state) { 741 renderTextOp(renderer, op, state, state.computedState.getClipIfNeeded(), TextRenderType::Flush); 742} 743 744void BakedOpDispatcher::onTextOnPathOp(BakedOpRenderer& renderer, const TextOnPathOp& op, const BakedOpState& state) { 745 // Note: can't trust clipSideFlags since we record with unmappedBounds == clip. 746 // TODO: respect clipSideFlags, once we record with bounds 747 auto renderTargetClip = state.computedState.clipState; 748 749 FontRenderer& fontRenderer = renderer.caches().fontRenderer.getFontRenderer(); 750 fontRenderer.setFont(op.paint, SkMatrix::I()); 751 fontRenderer.setTextureFiltering(true); 752 753 Rect layerBounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 754 755 int alpha = PaintUtils::getAlphaDirect(op.paint) * state.alpha; 756 SkXfermode::Mode mode = PaintUtils::getXfermodeDirect(op.paint); 757 TextDrawFunctor functor(&renderer, &state, renderTargetClip, 758 0.0f, 0.0f, false, alpha, mode, op.paint); 759 760 bool mustDirtyRenderTarget = renderer.offscreenRenderTarget(); 761 const Rect localSpaceClip = state.computedState.computeLocalSpaceClip(); 762 if (fontRenderer.renderTextOnPath(op.paint, &localSpaceClip, op.glyphs, op.glyphCount, 763 op.path, op.hOffset, op.vOffset, 764 mustDirtyRenderTarget ? &layerBounds : nullptr, &functor)) { 765 if (mustDirtyRenderTarget) { 766 // manually dirty render target, since TextDrawFunctor won't 767 state.computedState.transform.mapRect(layerBounds); 768 renderer.dirtyRenderTarget(layerBounds); 769 } 770 } 771} 772 773void BakedOpDispatcher::onTextureLayerOp(BakedOpRenderer& renderer, const TextureLayerOp& op, const BakedOpState& state) { 774 const bool tryToSnap = !op.layer->getForceFilter(); 775 float alpha = (op.layer->getAlpha() / 255.0f) * state.alpha; 776 Glop glop; 777 GlopBuilder(renderer.renderState(), renderer.caches(), &glop) 778 .setRoundRectClipState(state.roundRectClipState) 779 .setMeshTexturedUvQuad(nullptr, Rect(0, 1, 1, 0)) // TODO: simplify with VBO 780 .setFillTextureLayer(*(op.layer), alpha) 781 .setTransform(state.computedState.transform, TransformFlags::None) 782 .setModelViewMapUnitToRectOptionalSnap(tryToSnap, Rect(op.layer->getWidth(), op.layer->getHeight())) 783 .build(); 784 renderer.renderGlop(state, glop); 785} 786 787void BakedOpDispatcher::onLayerOp(BakedOpRenderer& renderer, const LayerOp& op, const BakedOpState& state) { 788 // Note that we don't use op->paint in this function - it's never set on a LayerOp 789 OffscreenBuffer* buffer = *op.layerHandle; 790 791 if (CC_UNLIKELY(!buffer)) { 792 // Layer was not allocated, which can occur if there were no draw ops inside. We draw the 793 // equivalent by drawing a rect with the same layer properties (alpha/xfer/filter). 794 SkPaint paint; 795 paint.setAlpha(op.alpha * 255); 796 paint.setXfermodeMode(op.mode); 797 paint.setColorFilter(op.colorFilter); 798 RectOp rectOp(op.unmappedBounds, op.localMatrix, op.localClip, &paint); 799 BakedOpDispatcher::onRectOp(renderer, rectOp, state); 800 } else { 801 float layerAlpha = op.alpha * state.alpha; 802 Glop glop; 803 GlopBuilder(renderer.renderState(), renderer.caches(), &glop) 804 .setRoundRectClipState(state.roundRectClipState) 805 .setMeshTexturedIndexedVbo(buffer->vbo, buffer->elementCount) 806 .setFillLayer(buffer->texture, op.colorFilter, layerAlpha, op.mode, Blend::ModeOrderSwap::NoSwap) 807 .setTransform(state.computedState.transform, TransformFlags::None) 808 .setModelViewOffsetRectSnap(op.unmappedBounds.left, op.unmappedBounds.top, 809 Rect(op.unmappedBounds.getWidth(), op.unmappedBounds.getHeight())) 810 .build(); 811 renderer.renderGlop(state, glop); 812 } 813} 814 815void BakedOpDispatcher::onCopyToLayerOp(BakedOpRenderer& renderer, const CopyToLayerOp& op, const BakedOpState& state) { 816 LOG_ALWAYS_FATAL_IF(*(op.layerHandle) != nullptr, "layer already exists!"); 817 *(op.layerHandle) = renderer.copyToLayer(state.computedState.clippedBounds); 818 LOG_ALWAYS_FATAL_IF(*op.layerHandle == nullptr, "layer copy failed"); 819} 820 821void BakedOpDispatcher::onCopyFromLayerOp(BakedOpRenderer& renderer, const CopyFromLayerOp& op, const BakedOpState& state) { 822 LOG_ALWAYS_FATAL_IF(*op.layerHandle == nullptr, "no layer to draw underneath!"); 823 if (!state.computedState.clippedBounds.isEmpty()) { 824 if (op.paint && op.paint->getAlpha() < 255) { 825 SkPaint layerPaint; 826 layerPaint.setAlpha(op.paint->getAlpha()); 827 layerPaint.setXfermodeMode(SkXfermode::kDstIn_Mode); 828 layerPaint.setColorFilter(op.paint->getColorFilter()); 829 RectOp rectOp(state.computedState.clippedBounds, Matrix4::identity(), nullptr, &layerPaint); 830 BakedOpDispatcher::onRectOp(renderer, rectOp, state); 831 } 832 833 OffscreenBuffer& layer = **(op.layerHandle); 834 auto mode = PaintUtils::getXfermodeDirect(op.paint); 835 Glop glop; 836 GlopBuilder(renderer.renderState(), renderer.caches(), &glop) 837 .setRoundRectClipState(state.roundRectClipState) 838 .setMeshTexturedUvQuad(nullptr, layer.getTextureCoordinates()) 839 .setFillLayer(layer.texture, nullptr, 1.0f, mode, Blend::ModeOrderSwap::Swap) 840 .setTransform(state.computedState.transform, TransformFlags::None) 841 .setModelViewMapUnitToRect(state.computedState.clippedBounds) 842 .build(); 843 renderer.renderGlop(state, glop); 844 } 845 renderer.renderState().layerPool().putOrDelete(*op.layerHandle); 846} 847 848} // namespace uirenderer 849} // namespace android 850