BakedOpDispatcher.cpp revision 138c21fbec12bead3c7ca1f181c3fd35542ccb00
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 = vertexBufferRenderFlags & VertexBufferRenderFlags::Offset 348 ? TransformFlags::OffsetByFudgeFactor : 0; 349 350 Glop glop; 351 GlopBuilder(renderer.renderState(), renderer.caches(), &glop) 352 .setRoundRectClipState(state.roundRectClipState) 353 .setMeshVertexBuffer(vertexBuffer) 354 .setFillPaint(paint, state.alpha, shadowInterp) 355 .setTransform(state.computedState.transform, transformFlags) 356 .setModelViewOffsetRect(translateX, translateY, vertexBuffer.getBounds()) 357 .build(); 358 renderer.renderGlop(state, glop); 359 } 360} 361 362static void renderConvexPath(BakedOpRenderer& renderer, const BakedOpState& state, 363 const SkPath& path, const SkPaint& paint) { 364 VertexBuffer vertexBuffer; 365 // TODO: try clipping large paths to viewport 366 PathTessellator::tessellatePath(path, &paint, state.computedState.transform, vertexBuffer); 367 renderVertexBuffer(renderer, state, vertexBuffer, 0.0f, 0.0f, paint, 0); 368} 369 370static void renderPathTexture(BakedOpRenderer& renderer, const BakedOpState& state, 371 float xOffset, float yOffset, PathTexture& texture, const SkPaint& paint) { 372 Rect dest(texture.width(), texture.height()); 373 dest.translate(xOffset + texture.left - texture.offset, 374 yOffset + texture.top - texture.offset); 375 Glop glop; 376 GlopBuilder(renderer.renderState(), renderer.caches(), &glop) 377 .setRoundRectClipState(state.roundRectClipState) 378 .setMeshTexturedUnitQuad(nullptr) 379 .setFillPathTexturePaint(texture, paint, state.alpha) 380 .setTransform(state.computedState.transform, TransformFlags::None) 381 .setModelViewMapUnitToRect(dest) 382 .build(); 383 renderer.renderGlop(state, glop); 384} 385 386SkRect getBoundsOfFill(const RecordedOp& op) { 387 SkRect bounds = op.unmappedBounds.toSkRect(); 388 if (op.paint->getStyle() == SkPaint::kStrokeAndFill_Style) { 389 float outsetDistance = op.paint->getStrokeWidth() / 2; 390 bounds.outset(outsetDistance, outsetDistance); 391 } 392 return bounds; 393} 394 395void BakedOpDispatcher::onArcOp(BakedOpRenderer& renderer, const ArcOp& op, const BakedOpState& state) { 396 // TODO: support fills (accounting for concavity if useCenter && sweepAngle > 180) 397 if (op.paint->getStyle() != SkPaint::kStroke_Style 398 || op.paint->getPathEffect() != nullptr 399 || op.useCenter) { 400 PathTexture* texture = renderer.caches().pathCache.getArc( 401 op.unmappedBounds.getWidth(), op.unmappedBounds.getHeight(), 402 op.startAngle, op.sweepAngle, op.useCenter, op.paint); 403 const AutoTexture holder(texture); 404 if (CC_LIKELY(holder.texture)) { 405 renderPathTexture(renderer, state, op.unmappedBounds.left, op.unmappedBounds.top, 406 *texture, *(op.paint)); 407 } 408 } else { 409 SkRect rect = getBoundsOfFill(op); 410 SkPath path; 411 if (op.useCenter) { 412 path.moveTo(rect.centerX(), rect.centerY()); 413 } 414 path.arcTo(rect, op.startAngle, op.sweepAngle, !op.useCenter); 415 if (op.useCenter) { 416 path.close(); 417 } 418 renderConvexPath(renderer, state, path, *(op.paint)); 419 } 420} 421 422void BakedOpDispatcher::onBitmapOp(BakedOpRenderer& renderer, const BitmapOp& op, const BakedOpState& state) { 423 Texture* texture = renderer.getTexture(op.bitmap); 424 if (!texture) return; 425 const AutoTexture autoCleanup(texture); 426 427 const int textureFillFlags = (op.bitmap->colorType() == kAlpha_8_SkColorType) 428 ? TextureFillFlags::IsAlphaMaskTexture : TextureFillFlags::None; 429 Glop glop; 430 GlopBuilder(renderer.renderState(), renderer.caches(), &glop) 431 .setRoundRectClipState(state.roundRectClipState) 432 .setMeshTexturedUnitQuad(texture->uvMapper) 433 .setFillTexturePaint(*texture, textureFillFlags, op.paint, state.alpha) 434 .setTransform(state.computedState.transform, TransformFlags::None) 435 .setModelViewMapUnitToRectSnap(Rect(texture->width(), texture->height())) 436 .build(); 437 renderer.renderGlop(state, glop); 438} 439 440void BakedOpDispatcher::onBitmapMeshOp(BakedOpRenderer& renderer, const BitmapMeshOp& op, const BakedOpState& state) { 441 const static UvMapper defaultUvMapper; 442 const uint32_t elementCount = op.meshWidth * op.meshHeight * 6; 443 444 std::unique_ptr<ColorTextureVertex[]> mesh(new ColorTextureVertex[elementCount]); 445 ColorTextureVertex* vertex = &mesh[0]; 446 447 const int* colors = op.colors; 448 std::unique_ptr<int[]> tempColors; 449 if (!colors) { 450 uint32_t colorsCount = (op.meshWidth + 1) * (op.meshHeight + 1); 451 tempColors.reset(new int[colorsCount]); 452 memset(tempColors.get(), 0xff, colorsCount * sizeof(int)); 453 colors = tempColors.get(); 454 } 455 456 Texture* texture = renderer.renderState().assetAtlas().getEntryTexture(op.bitmap->pixelRef()); 457 const UvMapper& mapper(texture && texture->uvMapper ? *texture->uvMapper : defaultUvMapper); 458 459 for (int32_t y = 0; y < op.meshHeight; y++) { 460 for (int32_t x = 0; x < op.meshWidth; x++) { 461 uint32_t i = (y * (op.meshWidth + 1) + x) * 2; 462 463 float u1 = float(x) / op.meshWidth; 464 float u2 = float(x + 1) / op.meshWidth; 465 float v1 = float(y) / op.meshHeight; 466 float v2 = float(y + 1) / op.meshHeight; 467 468 mapper.map(u1, v1, u2, v2); 469 470 int ax = i + (op.meshWidth + 1) * 2; 471 int ay = ax + 1; 472 int bx = i; 473 int by = bx + 1; 474 int cx = i + 2; 475 int cy = cx + 1; 476 int dx = i + (op.meshWidth + 1) * 2 + 2; 477 int dy = dx + 1; 478 479 const float* vertices = op.vertices; 480 ColorTextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2, colors[dx / 2]); 481 ColorTextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2, colors[ax / 2]); 482 ColorTextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1, colors[bx / 2]); 483 484 ColorTextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2, colors[dx / 2]); 485 ColorTextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1, colors[bx / 2]); 486 ColorTextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1, colors[cx / 2]); 487 } 488 } 489 490 if (!texture) { 491 texture = renderer.caches().textureCache.get(op.bitmap); 492 if (!texture) { 493 return; 494 } 495 } 496 const AutoTexture autoCleanup(texture); 497 498 /* 499 * TODO: handle alpha_8 textures correctly by applying paint color, but *not* 500 * shader in that case to mimic the behavior in SkiaCanvas::drawBitmapMesh. 501 */ 502 const int textureFillFlags = TextureFillFlags::None; 503 Glop glop; 504 GlopBuilder(renderer.renderState(), renderer.caches(), &glop) 505 .setRoundRectClipState(state.roundRectClipState) 506 .setMeshColoredTexturedMesh(mesh.get(), elementCount) 507 .setFillTexturePaint(*texture, textureFillFlags, op.paint, state.alpha) 508 .setTransform(state.computedState.transform, TransformFlags::None) 509 .setModelViewOffsetRect(0, 0, op.unmappedBounds) 510 .build(); 511 renderer.renderGlop(state, glop); 512} 513 514void BakedOpDispatcher::onBitmapRectOp(BakedOpRenderer& renderer, const BitmapRectOp& op, const BakedOpState& state) { 515 Texture* texture = renderer.getTexture(op.bitmap); 516 if (!texture) return; 517 const AutoTexture autoCleanup(texture); 518 519 Rect uv(std::max(0.0f, op.src.left / texture->width()), 520 std::max(0.0f, op.src.top / texture->height()), 521 std::min(1.0f, op.src.right / texture->width()), 522 std::min(1.0f, op.src.bottom / texture->height())); 523 524 const int textureFillFlags = (op.bitmap->colorType() == kAlpha_8_SkColorType) 525 ? TextureFillFlags::IsAlphaMaskTexture : TextureFillFlags::None; 526 const bool tryToSnap = MathUtils::areEqual(op.src.getWidth(), op.unmappedBounds.getWidth()) 527 && MathUtils::areEqual(op.src.getHeight(), op.unmappedBounds.getHeight()); 528 Glop glop; 529 GlopBuilder(renderer.renderState(), renderer.caches(), &glop) 530 .setRoundRectClipState(state.roundRectClipState) 531 .setMeshTexturedUvQuad(texture->uvMapper, uv) 532 .setFillTexturePaint(*texture, textureFillFlags, op.paint, state.alpha) 533 .setTransform(state.computedState.transform, TransformFlags::None) 534 .setModelViewMapUnitToRectOptionalSnap(tryToSnap, op.unmappedBounds) 535 .build(); 536 renderer.renderGlop(state, glop); 537} 538 539void BakedOpDispatcher::onColorOp(BakedOpRenderer& renderer, const ColorOp& op, const BakedOpState& state) { 540 SkPaint paint; 541 paint.setColor(op.color); 542 paint.setXfermodeMode(op.mode); 543 544 Glop glop; 545 GlopBuilder(renderer.renderState(), renderer.caches(), &glop) 546 .setRoundRectClipState(state.roundRectClipState) 547 .setMeshUnitQuad() 548 .setFillPaint(paint, state.alpha) 549 .setTransform(Matrix4::identity(), TransformFlags::None) 550 .setModelViewMapUnitToRect(state.computedState.clipState->rect) 551 .build(); 552 renderer.renderGlop(state, glop); 553} 554 555void BakedOpDispatcher::onFunctorOp(BakedOpRenderer& renderer, const FunctorOp& op, const BakedOpState& state) { 556 renderer.renderFunctor(op, state); 557} 558 559void BakedOpDispatcher::onLinesOp(BakedOpRenderer& renderer, const LinesOp& op, const BakedOpState& state) { 560 VertexBuffer buffer; 561 PathTessellator::tessellateLines(op.points, op.floatCount, op.paint, 562 state.computedState.transform, buffer); 563 int displayFlags = op.paint->isAntiAlias() ? 0 : VertexBufferRenderFlags::Offset; 564 renderVertexBuffer(renderer, state, buffer, 0, 0, *(op.paint), displayFlags); 565} 566 567void BakedOpDispatcher::onOvalOp(BakedOpRenderer& renderer, const OvalOp& op, const BakedOpState& state) { 568 if (op.paint->getPathEffect() != nullptr) { 569 PathTexture* texture = renderer.caches().pathCache.getOval( 570 op.unmappedBounds.getWidth(), op.unmappedBounds.getHeight(), op.paint); 571 const AutoTexture holder(texture); 572 if (CC_LIKELY(holder.texture)) { 573 renderPathTexture(renderer, state, op.unmappedBounds.left, op.unmappedBounds.right, 574 *texture, *(op.paint)); 575 } 576 } else { 577 SkPath path; 578 SkRect rect = getBoundsOfFill(op); 579 path.addOval(rect); 580 581 if (state.computedState.localProjectionPathMask != nullptr) { 582 // Mask the ripple path by the local space projection mask in local space. 583 // Note that this can create CCW paths. 584 Op(path, *state.computedState.localProjectionPathMask, kIntersect_SkPathOp, &path); 585 } 586 renderConvexPath(renderer, state, path, *(op.paint)); 587 } 588} 589 590void BakedOpDispatcher::onPatchOp(BakedOpRenderer& renderer, const PatchOp& op, const BakedOpState& state) { 591 // 9 patches are built for stretching - always filter 592 int textureFillFlags = TextureFillFlags::ForceFilter; 593 if (op.bitmap->colorType() == kAlpha_8_SkColorType) { 594 textureFillFlags |= TextureFillFlags::IsAlphaMaskTexture; 595 } 596 597 // TODO: avoid redoing the below work each frame: 598 AssetAtlas::Entry* entry = renderer.renderState().assetAtlas().getEntry(op.bitmap->pixelRef()); 599 const Patch* mesh = renderer.caches().patchCache.get( 600 entry, op.bitmap->width(), op.bitmap->height(), 601 op.unmappedBounds.getWidth(), op.unmappedBounds.getHeight(), op.patch); 602 603 Texture* texture = entry ? entry->texture : renderer.caches().textureCache.get(op.bitmap); 604 if (CC_LIKELY(texture)) { 605 const AutoTexture autoCleanup(texture); 606 Glop glop; 607 GlopBuilder(renderer.renderState(), renderer.caches(), &glop) 608 .setRoundRectClipState(state.roundRectClipState) 609 .setMeshPatchQuads(*mesh) 610 .setFillTexturePaint(*texture, textureFillFlags, op.paint, state.alpha) 611 .setTransform(state.computedState.transform, TransformFlags::None) 612 .setModelViewOffsetRectSnap(op.unmappedBounds.left, op.unmappedBounds.top, 613 Rect(op.unmappedBounds.getWidth(), op.unmappedBounds.getHeight())) 614 .build(); 615 renderer.renderGlop(state, glop); 616 } 617} 618 619void BakedOpDispatcher::onPathOp(BakedOpRenderer& renderer, const PathOp& op, const BakedOpState& state) { 620 PathTexture* texture = renderer.caches().pathCache.get(op.path, op.paint); 621 const AutoTexture holder(texture); 622 if (CC_LIKELY(holder.texture)) { 623 // Unlike other callers to renderPathTexture, no offsets are used because PathOp doesn't 624 // have any translate built in, other than what's in the SkPath itself 625 renderPathTexture(renderer, state, 0, 0, *texture, *(op.paint)); 626 } 627} 628 629void BakedOpDispatcher::onPointsOp(BakedOpRenderer& renderer, const PointsOp& op, const BakedOpState& state) { 630 VertexBuffer buffer; 631 PathTessellator::tessellatePoints(op.points, op.floatCount, op.paint, 632 state.computedState.transform, buffer); 633 int displayFlags = op.paint->isAntiAlias() ? 0 : VertexBufferRenderFlags::Offset; 634 renderVertexBuffer(renderer, state, buffer, 0, 0, *(op.paint), displayFlags); 635} 636 637// See SkPaintDefaults.h 638#define SkPaintDefaults_MiterLimit SkIntToScalar(4) 639 640void BakedOpDispatcher::onRectOp(BakedOpRenderer& renderer, const RectOp& op, const BakedOpState& state) { 641 if (op.paint->getStyle() != SkPaint::kFill_Style) { 642 // only fill + default miter is supported by drawConvexPath, since others must handle joins 643 static_assert(SkPaintDefaults_MiterLimit == 4.0f, "Miter limit has changed"); 644 if (CC_UNLIKELY(op.paint->getPathEffect() != nullptr 645 || op.paint->getStrokeJoin() != SkPaint::kMiter_Join 646 || op.paint->getStrokeMiter() != SkPaintDefaults_MiterLimit)) { 647 PathTexture* texture = renderer.caches().pathCache.getRect( 648 op.unmappedBounds.getWidth(), op.unmappedBounds.getHeight(), op.paint); 649 const AutoTexture holder(texture); 650 if (CC_LIKELY(holder.texture)) { 651 renderPathTexture(renderer, state, op.unmappedBounds.left, op.unmappedBounds.top, 652 *texture, *(op.paint)); 653 } 654 } else { 655 SkPath path; 656 path.addRect(getBoundsOfFill(op)); 657 renderConvexPath(renderer, state, path, *(op.paint)); 658 } 659 } else { 660 if (op.paint->isAntiAlias() && !state.computedState.transform.isSimple()) { 661 SkPath path; 662 path.addRect(op.unmappedBounds.toSkRect()); 663 renderConvexPath(renderer, state, path, *(op.paint)); 664 } else { 665 // render simple unit quad, no tessellation required 666 Glop glop; 667 GlopBuilder(renderer.renderState(), renderer.caches(), &glop) 668 .setRoundRectClipState(state.roundRectClipState) 669 .setMeshUnitQuad() 670 .setFillPaint(*op.paint, state.alpha) 671 .setTransform(state.computedState.transform, TransformFlags::None) 672 .setModelViewMapUnitToRect(op.unmappedBounds) 673 .build(); 674 renderer.renderGlop(state, glop); 675 } 676 } 677} 678 679void BakedOpDispatcher::onRoundRectOp(BakedOpRenderer& renderer, const RoundRectOp& op, const BakedOpState& state) { 680 if (op.paint->getPathEffect() != nullptr) { 681 PathTexture* texture = renderer.caches().pathCache.getRoundRect( 682 op.unmappedBounds.getWidth(), op.unmappedBounds.getHeight(), 683 op.rx, op.ry, op.paint); 684 const AutoTexture holder(texture); 685 if (CC_LIKELY(holder.texture)) { 686 renderPathTexture(renderer, state, op.unmappedBounds.left, op.unmappedBounds.top, 687 *texture, *(op.paint)); 688 } 689 } else { 690 const VertexBuffer* buffer = renderer.caches().tessellationCache.getRoundRect( 691 state.computedState.transform, *(op.paint), 692 op.unmappedBounds.getWidth(), op.unmappedBounds.getHeight(), op.rx, op.ry); 693 renderVertexBuffer(renderer, state, *buffer, 694 op.unmappedBounds.left, op.unmappedBounds.top, *(op.paint), 0); 695 } 696} 697 698static void renderShadow(BakedOpRenderer& renderer, const BakedOpState& state, float casterAlpha, 699 const VertexBuffer* ambientShadowVertexBuffer, const VertexBuffer* spotShadowVertexBuffer) { 700 SkPaint paint; 701 paint.setAntiAlias(true); // want to use AlphaVertex 702 703 // The caller has made sure casterAlpha > 0. 704 uint8_t ambientShadowAlpha = renderer.getLightInfo().ambientShadowAlpha; 705 if (CC_UNLIKELY(Properties::overrideAmbientShadowStrength >= 0)) { 706 ambientShadowAlpha = Properties::overrideAmbientShadowStrength; 707 } 708 if (ambientShadowVertexBuffer && ambientShadowAlpha > 0) { 709 paint.setAlpha((uint8_t)(casterAlpha * ambientShadowAlpha)); 710 renderVertexBuffer(renderer, state, *ambientShadowVertexBuffer, 0, 0, 711 paint, VertexBufferRenderFlags::ShadowInterp); 712 } 713 714 uint8_t spotShadowAlpha = renderer.getLightInfo().spotShadowAlpha; 715 if (CC_UNLIKELY(Properties::overrideSpotShadowStrength >= 0)) { 716 spotShadowAlpha = Properties::overrideSpotShadowStrength; 717 } 718 if (spotShadowVertexBuffer && spotShadowAlpha > 0) { 719 paint.setAlpha((uint8_t)(casterAlpha * spotShadowAlpha)); 720 renderVertexBuffer(renderer, state, *spotShadowVertexBuffer, 0, 0, 721 paint, VertexBufferRenderFlags::ShadowInterp); 722 } 723} 724 725void BakedOpDispatcher::onShadowOp(BakedOpRenderer& renderer, const ShadowOp& op, const BakedOpState& state) { 726 TessellationCache::vertexBuffer_pair_t buffers = op.shadowTask->getResult(); 727 renderShadow(renderer, state, op.casterAlpha, buffers.first, buffers.second); 728} 729 730void BakedOpDispatcher::onSimpleRectsOp(BakedOpRenderer& renderer, const SimpleRectsOp& op, const BakedOpState& state) { 731 Glop glop; 732 GlopBuilder(renderer.renderState(), renderer.caches(), &glop) 733 .setRoundRectClipState(state.roundRectClipState) 734 .setMeshIndexedQuads(&op.vertices[0], op.vertexCount / 4) 735 .setFillPaint(*op.paint, state.alpha) 736 .setTransform(state.computedState.transform, TransformFlags::None) 737 .setModelViewOffsetRect(0, 0, op.unmappedBounds) 738 .build(); 739 renderer.renderGlop(state, glop); 740} 741 742void BakedOpDispatcher::onTextOp(BakedOpRenderer& renderer, const TextOp& op, const BakedOpState& state) { 743 renderTextOp(renderer, op, state, state.computedState.getClipIfNeeded(), TextRenderType::Flush); 744} 745 746void BakedOpDispatcher::onTextOnPathOp(BakedOpRenderer& renderer, const TextOnPathOp& op, const BakedOpState& state) { 747 // Note: can't trust clipSideFlags since we record with unmappedBounds == clip. 748 // TODO: respect clipSideFlags, once we record with bounds 749 auto renderTargetClip = state.computedState.clipState; 750 751 FontRenderer& fontRenderer = renderer.caches().fontRenderer.getFontRenderer(); 752 fontRenderer.setFont(op.paint, SkMatrix::I()); 753 fontRenderer.setTextureFiltering(true); 754 755 Rect layerBounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 756 757 int alpha = PaintUtils::getAlphaDirect(op.paint) * state.alpha; 758 SkXfermode::Mode mode = PaintUtils::getXfermodeDirect(op.paint); 759 TextDrawFunctor functor(&renderer, &state, renderTargetClip, 760 0.0f, 0.0f, false, alpha, mode, op.paint); 761 762 bool mustDirtyRenderTarget = renderer.offscreenRenderTarget(); 763 const Rect localSpaceClip = state.computedState.computeLocalSpaceClip(); 764 if (fontRenderer.renderTextOnPath(op.paint, &localSpaceClip, op.glyphs, op.glyphCount, 765 op.path, op.hOffset, op.vOffset, 766 mustDirtyRenderTarget ? &layerBounds : nullptr, &functor)) { 767 if (mustDirtyRenderTarget) { 768 // manually dirty render target, since TextDrawFunctor won't 769 state.computedState.transform.mapRect(layerBounds); 770 renderer.dirtyRenderTarget(layerBounds); 771 } 772 } 773} 774 775void BakedOpDispatcher::onTextureLayerOp(BakedOpRenderer& renderer, const TextureLayerOp& op, const BakedOpState& state) { 776 const bool tryToSnap = !op.layer->getForceFilter(); 777 float alpha = (op.layer->getAlpha() / 255.0f) * state.alpha; 778 Glop glop; 779 GlopBuilder(renderer.renderState(), renderer.caches(), &glop) 780 .setRoundRectClipState(state.roundRectClipState) 781 .setMeshTexturedUvQuad(nullptr, Rect(0, 1, 1, 0)) // TODO: simplify with VBO 782 .setFillTextureLayer(*(op.layer), alpha) 783 .setTransform(state.computedState.transform, TransformFlags::None) 784 .setModelViewMapUnitToRectOptionalSnap(tryToSnap, Rect(op.layer->getWidth(), op.layer->getHeight())) 785 .build(); 786 renderer.renderGlop(state, glop); 787} 788 789void BakedOpDispatcher::onLayerOp(BakedOpRenderer& renderer, const LayerOp& op, const BakedOpState& state) { 790 // Note that we don't use op->paint in this function - it's never set on a LayerOp 791 OffscreenBuffer* buffer = *op.layerHandle; 792 793 if (CC_UNLIKELY(!buffer)) { 794 // Layer was not allocated, which can occur if there were no draw ops inside. We draw the 795 // equivalent by drawing a rect with the same layer properties (alpha/xfer/filter). 796 SkPaint paint; 797 paint.setAlpha(op.alpha * 255); 798 paint.setXfermodeMode(op.mode); 799 paint.setColorFilter(op.colorFilter); 800 RectOp rectOp(op.unmappedBounds, op.localMatrix, op.localClip, &paint); 801 BakedOpDispatcher::onRectOp(renderer, rectOp, state); 802 } else { 803 float layerAlpha = op.alpha * state.alpha; 804 Glop glop; 805 GlopBuilder(renderer.renderState(), renderer.caches(), &glop) 806 .setRoundRectClipState(state.roundRectClipState) 807 .setMeshTexturedIndexedVbo(buffer->vbo, buffer->elementCount) 808 .setFillLayer(buffer->texture, op.colorFilter, layerAlpha, op.mode, Blend::ModeOrderSwap::NoSwap) 809 .setTransform(state.computedState.transform, TransformFlags::None) 810 .setModelViewOffsetRectSnap(op.unmappedBounds.left, op.unmappedBounds.top, 811 Rect(op.unmappedBounds.getWidth(), op.unmappedBounds.getHeight())) 812 .build(); 813 renderer.renderGlop(state, glop); 814 } 815} 816 817void BakedOpDispatcher::onCopyToLayerOp(BakedOpRenderer& renderer, const CopyToLayerOp& op, const BakedOpState& state) { 818 LOG_ALWAYS_FATAL_IF(*(op.layerHandle) != nullptr, "layer already exists!"); 819 *(op.layerHandle) = renderer.copyToLayer(state.computedState.clippedBounds); 820 LOG_ALWAYS_FATAL_IF(*op.layerHandle == nullptr, "layer copy failed"); 821} 822 823void BakedOpDispatcher::onCopyFromLayerOp(BakedOpRenderer& renderer, const CopyFromLayerOp& op, const BakedOpState& state) { 824 LOG_ALWAYS_FATAL_IF(*op.layerHandle == nullptr, "no layer to draw underneath!"); 825 if (!state.computedState.clippedBounds.isEmpty()) { 826 if (op.paint && op.paint->getAlpha() < 255) { 827 SkPaint layerPaint; 828 layerPaint.setAlpha(op.paint->getAlpha()); 829 layerPaint.setXfermodeMode(SkXfermode::kDstIn_Mode); 830 layerPaint.setColorFilter(op.paint->getColorFilter()); 831 RectOp rectOp(state.computedState.clippedBounds, Matrix4::identity(), nullptr, &layerPaint); 832 BakedOpDispatcher::onRectOp(renderer, rectOp, state); 833 } 834 835 OffscreenBuffer& layer = **(op.layerHandle); 836 auto mode = PaintUtils::getXfermodeDirect(op.paint); 837 Glop glop; 838 GlopBuilder(renderer.renderState(), renderer.caches(), &glop) 839 .setRoundRectClipState(state.roundRectClipState) 840 .setMeshTexturedUvQuad(nullptr, layer.getTextureCoordinates()) 841 .setFillLayer(layer.texture, nullptr, 1.0f, mode, Blend::ModeOrderSwap::Swap) 842 .setTransform(state.computedState.transform, TransformFlags::None) 843 .setModelViewMapUnitToRect(state.computedState.clippedBounds) 844 .build(); 845 renderer.renderGlop(state, glop); 846 } 847 renderer.renderState().layerPool().putOrDelete(*op.layerHandle); 848} 849 850} // namespace uirenderer 851} // namespace android 852