BakedOpDispatcher.cpp revision 92a5d4b99a5554adca0e94627d44d2bd7f4f0bc0
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 Glop glop; 350 GlopBuilder(renderer.renderState(), renderer.caches(), &glop) 351 .setRoundRectClipState(state.roundRectClipState) 352 .setMeshVertexBuffer(vertexBuffer, shadowInterp) 353 .setFillPaint(paint, state.alpha) 354 .setTransform(state.computedState.transform, transformFlags) 355 .setModelViewOffsetRect(translateX, translateY, vertexBuffer.getBounds()) 356 .build(); 357 renderer.renderGlop(state, glop); 358 } 359} 360 361static void renderConvexPath(BakedOpRenderer& renderer, const BakedOpState& state, 362 const SkPath& path, const SkPaint& paint) { 363 VertexBuffer vertexBuffer; 364 // TODO: try clipping large paths to viewport 365 PathTessellator::tessellatePath(path, &paint, state.computedState.transform, vertexBuffer); 366 renderVertexBuffer(renderer, state, vertexBuffer, 0.0f, 0.0f, paint, 0); 367} 368 369static void renderPathTexture(BakedOpRenderer& renderer, const BakedOpState& state, 370 float xOffset, float yOffset, PathTexture& texture, const SkPaint& paint) { 371 Rect dest(texture.width(), texture.height()); 372 dest.translate(xOffset + texture.left - texture.offset, 373 yOffset + texture.top - texture.offset); 374 Glop glop; 375 GlopBuilder(renderer.renderState(), renderer.caches(), &glop) 376 .setRoundRectClipState(state.roundRectClipState) 377 .setMeshTexturedUnitQuad(nullptr) 378 .setFillPathTexturePaint(texture, paint, state.alpha) 379 .setTransform(state.computedState.transform, TransformFlags::None) 380 .setModelViewMapUnitToRect(dest) 381 .build(); 382 renderer.renderGlop(state, glop); 383} 384 385SkRect getBoundsOfFill(const RecordedOp& op) { 386 SkRect bounds = op.unmappedBounds.toSkRect(); 387 if (op.paint->getStyle() == SkPaint::kStrokeAndFill_Style) { 388 float outsetDistance = op.paint->getStrokeWidth() / 2; 389 bounds.outset(outsetDistance, outsetDistance); 390 } 391 return bounds; 392} 393 394void BakedOpDispatcher::onArcOp(BakedOpRenderer& renderer, const ArcOp& op, const BakedOpState& state) { 395 // TODO: support fills (accounting for concavity if useCenter && sweepAngle > 180) 396 if (op.paint->getStyle() != SkPaint::kStroke_Style 397 || op.paint->getPathEffect() != nullptr 398 || op.useCenter) { 399 PathTexture* texture = renderer.caches().pathCache.getArc( 400 op.unmappedBounds.getWidth(), op.unmappedBounds.getHeight(), 401 op.startAngle, op.sweepAngle, op.useCenter, op.paint); 402 const AutoTexture holder(texture); 403 if (CC_LIKELY(holder.texture)) { 404 renderPathTexture(renderer, state, op.unmappedBounds.left, op.unmappedBounds.top, 405 *texture, *(op.paint)); 406 } 407 } else { 408 SkRect rect = getBoundsOfFill(op); 409 SkPath path; 410 if (op.useCenter) { 411 path.moveTo(rect.centerX(), rect.centerY()); 412 } 413 path.arcTo(rect, op.startAngle, op.sweepAngle, !op.useCenter); 414 if (op.useCenter) { 415 path.close(); 416 } 417 renderConvexPath(renderer, state, path, *(op.paint)); 418 } 419} 420 421void BakedOpDispatcher::onBitmapOp(BakedOpRenderer& renderer, const BitmapOp& op, const BakedOpState& state) { 422 Texture* texture = renderer.getTexture(op.bitmap); 423 if (!texture) return; 424 const AutoTexture autoCleanup(texture); 425 426 const int textureFillFlags = (op.bitmap->colorType() == kAlpha_8_SkColorType) 427 ? TextureFillFlags::IsAlphaMaskTexture : TextureFillFlags::None; 428 Glop glop; 429 GlopBuilder(renderer.renderState(), renderer.caches(), &glop) 430 .setRoundRectClipState(state.roundRectClipState) 431 .setMeshTexturedUnitQuad(texture->uvMapper) 432 .setFillTexturePaint(*texture, textureFillFlags, op.paint, state.alpha) 433 .setTransform(state.computedState.transform, TransformFlags::None) 434 .setModelViewMapUnitToRectSnap(Rect(texture->width(), texture->height())) 435 .build(); 436 renderer.renderGlop(state, glop); 437} 438 439void BakedOpDispatcher::onBitmapMeshOp(BakedOpRenderer& renderer, const BitmapMeshOp& op, const BakedOpState& state) { 440 const static UvMapper defaultUvMapper; 441 const uint32_t elementCount = op.meshWidth * op.meshHeight * 6; 442 443 std::unique_ptr<ColorTextureVertex[]> mesh(new ColorTextureVertex[elementCount]); 444 ColorTextureVertex* vertex = &mesh[0]; 445 446 const int* colors = op.colors; 447 std::unique_ptr<int[]> tempColors; 448 if (!colors) { 449 uint32_t colorsCount = (op.meshWidth + 1) * (op.meshHeight + 1); 450 tempColors.reset(new int[colorsCount]); 451 memset(tempColors.get(), 0xff, colorsCount * sizeof(int)); 452 colors = tempColors.get(); 453 } 454 455 Texture* texture = renderer.renderState().assetAtlas().getEntryTexture(op.bitmap->pixelRef()); 456 const UvMapper& mapper(texture && texture->uvMapper ? *texture->uvMapper : defaultUvMapper); 457 458 for (int32_t y = 0; y < op.meshHeight; y++) { 459 for (int32_t x = 0; x < op.meshWidth; x++) { 460 uint32_t i = (y * (op.meshWidth + 1) + x) * 2; 461 462 float u1 = float(x) / op.meshWidth; 463 float u2 = float(x + 1) / op.meshWidth; 464 float v1 = float(y) / op.meshHeight; 465 float v2 = float(y + 1) / op.meshHeight; 466 467 mapper.map(u1, v1, u2, v2); 468 469 int ax = i + (op.meshWidth + 1) * 2; 470 int ay = ax + 1; 471 int bx = i; 472 int by = bx + 1; 473 int cx = i + 2; 474 int cy = cx + 1; 475 int dx = i + (op.meshWidth + 1) * 2 + 2; 476 int dy = dx + 1; 477 478 const float* vertices = op.vertices; 479 ColorTextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2, colors[dx / 2]); 480 ColorTextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2, colors[ax / 2]); 481 ColorTextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1, colors[bx / 2]); 482 483 ColorTextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2, colors[dx / 2]); 484 ColorTextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1, colors[bx / 2]); 485 ColorTextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1, colors[cx / 2]); 486 } 487 } 488 489 if (!texture) { 490 texture = renderer.caches().textureCache.get(op.bitmap); 491 if (!texture) { 492 return; 493 } 494 } 495 const AutoTexture autoCleanup(texture); 496 497 /* 498 * TODO: handle alpha_8 textures correctly by applying paint color, but *not* 499 * shader in that case to mimic the behavior in SkiaCanvas::drawBitmapMesh. 500 */ 501 const int textureFillFlags = TextureFillFlags::None; 502 Glop glop; 503 GlopBuilder(renderer.renderState(), renderer.caches(), &glop) 504 .setRoundRectClipState(state.roundRectClipState) 505 .setMeshColoredTexturedMesh(mesh.get(), elementCount) 506 .setFillTexturePaint(*texture, textureFillFlags, op.paint, state.alpha) 507 .setTransform(state.computedState.transform, TransformFlags::None) 508 .setModelViewOffsetRect(0, 0, op.unmappedBounds) 509 .build(); 510 renderer.renderGlop(state, glop); 511} 512 513void BakedOpDispatcher::onBitmapRectOp(BakedOpRenderer& renderer, const BitmapRectOp& op, const BakedOpState& state) { 514 Texture* texture = renderer.getTexture(op.bitmap); 515 if (!texture) return; 516 const AutoTexture autoCleanup(texture); 517 518 Rect uv(std::max(0.0f, op.src.left / texture->width()), 519 std::max(0.0f, op.src.top / texture->height()), 520 std::min(1.0f, op.src.right / texture->width()), 521 std::min(1.0f, op.src.bottom / texture->height())); 522 523 const int textureFillFlags = (op.bitmap->colorType() == kAlpha_8_SkColorType) 524 ? TextureFillFlags::IsAlphaMaskTexture : TextureFillFlags::None; 525 const bool tryToSnap = MathUtils::areEqual(op.src.getWidth(), op.unmappedBounds.getWidth()) 526 && MathUtils::areEqual(op.src.getHeight(), op.unmappedBounds.getHeight()); 527 Glop glop; 528 GlopBuilder(renderer.renderState(), renderer.caches(), &glop) 529 .setRoundRectClipState(state.roundRectClipState) 530 .setMeshTexturedUvQuad(texture->uvMapper, uv) 531 .setFillTexturePaint(*texture, textureFillFlags, op.paint, state.alpha) 532 .setTransform(state.computedState.transform, TransformFlags::None) 533 .setModelViewMapUnitToRectOptionalSnap(tryToSnap, op.unmappedBounds) 534 .build(); 535 renderer.renderGlop(state, glop); 536} 537 538void BakedOpDispatcher::onColorOp(BakedOpRenderer& renderer, const ColorOp& op, const BakedOpState& state) { 539 SkPaint paint; 540 paint.setColor(op.color); 541 paint.setXfermodeMode(op.mode); 542 543 Glop glop; 544 GlopBuilder(renderer.renderState(), renderer.caches(), &glop) 545 .setRoundRectClipState(state.roundRectClipState) 546 .setMeshUnitQuad() 547 .setFillPaint(paint, state.alpha) 548 .setTransform(Matrix4::identity(), TransformFlags::None) 549 .setModelViewMapUnitToRect(state.computedState.clipState->rect) 550 .build(); 551 renderer.renderGlop(state, glop); 552} 553 554void BakedOpDispatcher::onFunctorOp(BakedOpRenderer& renderer, const FunctorOp& op, const BakedOpState& state) { 555 renderer.renderFunctor(op, state); 556} 557 558void BakedOpDispatcher::onLinesOp(BakedOpRenderer& renderer, const LinesOp& op, const BakedOpState& state) { 559 VertexBuffer buffer; 560 PathTessellator::tessellateLines(op.points, op.floatCount, op.paint, 561 state.computedState.transform, buffer); 562 int displayFlags = op.paint->isAntiAlias() ? 0 : VertexBufferRenderFlags::Offset; 563 renderVertexBuffer(renderer, state, buffer, 0, 0, *(op.paint), displayFlags); 564} 565 566void BakedOpDispatcher::onOvalOp(BakedOpRenderer& renderer, const OvalOp& op, const BakedOpState& state) { 567 if (op.paint->getPathEffect() != nullptr) { 568 PathTexture* texture = renderer.caches().pathCache.getOval( 569 op.unmappedBounds.getWidth(), op.unmappedBounds.getHeight(), op.paint); 570 const AutoTexture holder(texture); 571 if (CC_LIKELY(holder.texture)) { 572 renderPathTexture(renderer, state, op.unmappedBounds.left, op.unmappedBounds.right, 573 *texture, *(op.paint)); 574 } 575 } else { 576 SkPath path; 577 SkRect rect = getBoundsOfFill(op); 578 path.addOval(rect); 579 580 if (state.computedState.localProjectionPathMask != nullptr) { 581 // Mask the ripple path by the local space projection mask in local space. 582 // Note that this can create CCW paths. 583 Op(path, *state.computedState.localProjectionPathMask, kIntersect_SkPathOp, &path); 584 } 585 renderConvexPath(renderer, state, path, *(op.paint)); 586 } 587} 588 589void BakedOpDispatcher::onPatchOp(BakedOpRenderer& renderer, const PatchOp& op, const BakedOpState& state) { 590 // 9 patches are built for stretching - always filter 591 int textureFillFlags = TextureFillFlags::ForceFilter; 592 if (op.bitmap->colorType() == kAlpha_8_SkColorType) { 593 textureFillFlags |= TextureFillFlags::IsAlphaMaskTexture; 594 } 595 596 // TODO: avoid redoing the below work each frame: 597 AssetAtlas::Entry* entry = renderer.renderState().assetAtlas().getEntry(op.bitmap->pixelRef()); 598 const Patch* mesh = renderer.caches().patchCache.get( 599 entry, op.bitmap->width(), op.bitmap->height(), 600 op.unmappedBounds.getWidth(), op.unmappedBounds.getHeight(), op.patch); 601 602 Texture* texture = entry ? entry->texture : renderer.caches().textureCache.get(op.bitmap); 603 if (CC_LIKELY(texture)) { 604 const AutoTexture autoCleanup(texture); 605 Glop glop; 606 GlopBuilder(renderer.renderState(), renderer.caches(), &glop) 607 .setRoundRectClipState(state.roundRectClipState) 608 .setMeshPatchQuads(*mesh) 609 .setFillTexturePaint(*texture, textureFillFlags, op.paint, state.alpha) 610 .setTransform(state.computedState.transform, TransformFlags::None) 611 .setModelViewOffsetRectSnap(op.unmappedBounds.left, op.unmappedBounds.top, 612 Rect(op.unmappedBounds.getWidth(), op.unmappedBounds.getHeight())) 613 .build(); 614 renderer.renderGlop(state, glop); 615 } 616} 617 618void BakedOpDispatcher::onPathOp(BakedOpRenderer& renderer, const PathOp& op, const BakedOpState& state) { 619 PathTexture* texture = renderer.caches().pathCache.get(op.path, op.paint); 620 const AutoTexture holder(texture); 621 if (CC_LIKELY(holder.texture)) { 622 // Unlike other callers to renderPathTexture, no offsets are used because PathOp doesn't 623 // have any translate built in, other than what's in the SkPath itself 624 renderPathTexture(renderer, state, 0, 0, *texture, *(op.paint)); 625 } 626} 627 628void BakedOpDispatcher::onPointsOp(BakedOpRenderer& renderer, const PointsOp& op, const BakedOpState& state) { 629 VertexBuffer buffer; 630 PathTessellator::tessellatePoints(op.points, op.floatCount, op.paint, 631 state.computedState.transform, buffer); 632 int displayFlags = op.paint->isAntiAlias() ? 0 : VertexBufferRenderFlags::Offset; 633 renderVertexBuffer(renderer, state, buffer, 0, 0, *(op.paint), displayFlags); 634} 635 636// See SkPaintDefaults.h 637#define SkPaintDefaults_MiterLimit SkIntToScalar(4) 638 639void BakedOpDispatcher::onRectOp(BakedOpRenderer& renderer, const RectOp& op, const BakedOpState& state) { 640 if (op.paint->getStyle() != SkPaint::kFill_Style) { 641 // only fill + default miter is supported by drawConvexPath, since others must handle joins 642 static_assert(SkPaintDefaults_MiterLimit == 4.0f, "Miter limit has changed"); 643 if (CC_UNLIKELY(op.paint->getPathEffect() != nullptr 644 || op.paint->getStrokeJoin() != SkPaint::kMiter_Join 645 || op.paint->getStrokeMiter() != SkPaintDefaults_MiterLimit)) { 646 PathTexture* texture = renderer.caches().pathCache.getRect( 647 op.unmappedBounds.getWidth(), op.unmappedBounds.getHeight(), op.paint); 648 const AutoTexture holder(texture); 649 if (CC_LIKELY(holder.texture)) { 650 renderPathTexture(renderer, state, op.unmappedBounds.left, op.unmappedBounds.top, 651 *texture, *(op.paint)); 652 } 653 } else { 654 SkPath path; 655 path.addRect(getBoundsOfFill(op)); 656 renderConvexPath(renderer, state, path, *(op.paint)); 657 } 658 } else { 659 if (op.paint->isAntiAlias() && !state.computedState.transform.isSimple()) { 660 SkPath path; 661 path.addRect(op.unmappedBounds.toSkRect()); 662 renderConvexPath(renderer, state, path, *(op.paint)); 663 } else { 664 // render simple unit quad, no tessellation required 665 Glop glop; 666 GlopBuilder(renderer.renderState(), renderer.caches(), &glop) 667 .setRoundRectClipState(state.roundRectClipState) 668 .setMeshUnitQuad() 669 .setFillPaint(*op.paint, state.alpha) 670 .setTransform(state.computedState.transform, TransformFlags::None) 671 .setModelViewMapUnitToRect(op.unmappedBounds) 672 .build(); 673 renderer.renderGlop(state, glop); 674 } 675 } 676} 677 678void BakedOpDispatcher::onRoundRectOp(BakedOpRenderer& renderer, const RoundRectOp& op, const BakedOpState& state) { 679 if (op.paint->getPathEffect() != nullptr) { 680 PathTexture* texture = renderer.caches().pathCache.getRoundRect( 681 op.unmappedBounds.getWidth(), op.unmappedBounds.getHeight(), 682 op.rx, op.ry, op.paint); 683 const AutoTexture holder(texture); 684 if (CC_LIKELY(holder.texture)) { 685 renderPathTexture(renderer, state, op.unmappedBounds.left, op.unmappedBounds.top, 686 *texture, *(op.paint)); 687 } 688 } else { 689 const VertexBuffer* buffer = renderer.caches().tessellationCache.getRoundRect( 690 state.computedState.transform, *(op.paint), 691 op.unmappedBounds.getWidth(), op.unmappedBounds.getHeight(), op.rx, op.ry); 692 renderVertexBuffer(renderer, state, *buffer, 693 op.unmappedBounds.left, op.unmappedBounds.top, *(op.paint), 0); 694 } 695} 696 697static void renderShadow(BakedOpRenderer& renderer, const BakedOpState& state, float casterAlpha, 698 const VertexBuffer* ambientShadowVertexBuffer, const VertexBuffer* spotShadowVertexBuffer) { 699 SkPaint paint; 700 paint.setAntiAlias(true); // want to use AlphaVertex 701 702 // The caller has made sure casterAlpha > 0. 703 uint8_t ambientShadowAlpha = renderer.getLightInfo().ambientShadowAlpha; 704 if (CC_UNLIKELY(Properties::overrideAmbientShadowStrength >= 0)) { 705 ambientShadowAlpha = Properties::overrideAmbientShadowStrength; 706 } 707 if (ambientShadowVertexBuffer && ambientShadowAlpha > 0) { 708 paint.setAlpha((uint8_t)(casterAlpha * ambientShadowAlpha)); 709 renderVertexBuffer(renderer, state, *ambientShadowVertexBuffer, 0, 0, 710 paint, VertexBufferRenderFlags::ShadowInterp); 711 } 712 713 uint8_t spotShadowAlpha = renderer.getLightInfo().spotShadowAlpha; 714 if (CC_UNLIKELY(Properties::overrideSpotShadowStrength >= 0)) { 715 spotShadowAlpha = Properties::overrideSpotShadowStrength; 716 } 717 if (spotShadowVertexBuffer && spotShadowAlpha > 0) { 718 paint.setAlpha((uint8_t)(casterAlpha * spotShadowAlpha)); 719 renderVertexBuffer(renderer, state, *spotShadowVertexBuffer, 0, 0, 720 paint, VertexBufferRenderFlags::ShadowInterp); 721 } 722} 723 724void BakedOpDispatcher::onShadowOp(BakedOpRenderer& renderer, const ShadowOp& op, const BakedOpState& state) { 725 TessellationCache::vertexBuffer_pair_t buffers = op.shadowTask->getResult(); 726 renderShadow(renderer, state, op.casterAlpha, buffers.first, buffers.second); 727} 728 729void BakedOpDispatcher::onSimpleRectsOp(BakedOpRenderer& renderer, const SimpleRectsOp& op, const BakedOpState& state) { 730 Glop glop; 731 GlopBuilder(renderer.renderState(), renderer.caches(), &glop) 732 .setRoundRectClipState(state.roundRectClipState) 733 .setMeshIndexedQuads(&op.vertices[0], op.vertexCount / 4) 734 .setFillPaint(*op.paint, state.alpha) 735 .setTransform(state.computedState.transform, TransformFlags::None) 736 .setModelViewOffsetRect(0, 0, op.unmappedBounds) 737 .build(); 738 renderer.renderGlop(state, glop); 739} 740 741void BakedOpDispatcher::onTextOp(BakedOpRenderer& renderer, const TextOp& op, const BakedOpState& state) { 742 renderTextOp(renderer, op, state, state.computedState.getClipIfNeeded(), TextRenderType::Flush); 743} 744 745void BakedOpDispatcher::onTextOnPathOp(BakedOpRenderer& renderer, const TextOnPathOp& op, const BakedOpState& state) { 746 // Note: can't trust clipSideFlags since we record with unmappedBounds == clip. 747 // TODO: respect clipSideFlags, once we record with bounds 748 auto renderTargetClip = state.computedState.clipState; 749 750 FontRenderer& fontRenderer = renderer.caches().fontRenderer.getFontRenderer(); 751 fontRenderer.setFont(op.paint, SkMatrix::I()); 752 fontRenderer.setTextureFiltering(true); 753 754 Rect layerBounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 755 756 int alpha = PaintUtils::getAlphaDirect(op.paint) * state.alpha; 757 SkXfermode::Mode mode = PaintUtils::getXfermodeDirect(op.paint); 758 TextDrawFunctor functor(&renderer, &state, renderTargetClip, 759 0.0f, 0.0f, false, alpha, mode, op.paint); 760 761 bool mustDirtyRenderTarget = renderer.offscreenRenderTarget(); 762 const Rect localSpaceClip = state.computedState.computeLocalSpaceClip(); 763 if (fontRenderer.renderTextOnPath(op.paint, &localSpaceClip, op.glyphs, op.glyphCount, 764 op.path, op.hOffset, op.vOffset, 765 mustDirtyRenderTarget ? &layerBounds : nullptr, &functor)) { 766 if (mustDirtyRenderTarget) { 767 // manually dirty render target, since TextDrawFunctor won't 768 state.computedState.transform.mapRect(layerBounds); 769 renderer.dirtyRenderTarget(layerBounds); 770 } 771 } 772} 773 774void BakedOpDispatcher::onTextureLayerOp(BakedOpRenderer& renderer, const TextureLayerOp& op, const BakedOpState& state) { 775 const bool tryToSnap = !op.layer->getForceFilter(); 776 float alpha = (op.layer->getAlpha() / 255.0f) * state.alpha; 777 Glop glop; 778 GlopBuilder(renderer.renderState(), renderer.caches(), &glop) 779 .setRoundRectClipState(state.roundRectClipState) 780 .setMeshTexturedUvQuad(nullptr, Rect(0, 1, 1, 0)) // TODO: simplify with VBO 781 .setFillTextureLayer(*(op.layer), alpha) 782 .setTransform(state.computedState.transform, TransformFlags::None) 783 .setModelViewMapUnitToRectOptionalSnap(tryToSnap, Rect(op.layer->getWidth(), op.layer->getHeight())) 784 .build(); 785 renderer.renderGlop(state, glop); 786} 787 788void BakedOpDispatcher::onLayerOp(BakedOpRenderer& renderer, const LayerOp& op, const BakedOpState& state) { 789 // Note that we don't use op->paint in this function - it's never set on a LayerOp 790 OffscreenBuffer* buffer = *op.layerHandle; 791 792 if (CC_UNLIKELY(!buffer)) { 793 // Layer was not allocated, which can occur if there were no draw ops inside. We draw the 794 // equivalent by drawing a rect with the same layer properties (alpha/xfer/filter). 795 SkPaint paint; 796 paint.setAlpha(op.alpha * 255); 797 paint.setXfermodeMode(op.mode); 798 paint.setColorFilter(op.colorFilter); 799 RectOp rectOp(op.unmappedBounds, op.localMatrix, op.localClip, &paint); 800 BakedOpDispatcher::onRectOp(renderer, rectOp, state); 801 } else { 802 float layerAlpha = op.alpha * state.alpha; 803 Glop glop; 804 GlopBuilder(renderer.renderState(), renderer.caches(), &glop) 805 .setRoundRectClipState(state.roundRectClipState) 806 .setMeshTexturedIndexedVbo(buffer->vbo, buffer->elementCount) 807 .setFillLayer(buffer->texture, op.colorFilter, layerAlpha, op.mode, Blend::ModeOrderSwap::NoSwap) 808 .setTransform(state.computedState.transform, TransformFlags::None) 809 .setModelViewOffsetRectSnap(op.unmappedBounds.left, op.unmappedBounds.top, 810 Rect(op.unmappedBounds.getWidth(), op.unmappedBounds.getHeight())) 811 .build(); 812 renderer.renderGlop(state, glop); 813 } 814} 815 816void BakedOpDispatcher::onCopyToLayerOp(BakedOpRenderer& renderer, const CopyToLayerOp& op, const BakedOpState& state) { 817 LOG_ALWAYS_FATAL_IF(*(op.layerHandle) != nullptr, "layer already exists!"); 818 *(op.layerHandle) = renderer.copyToLayer(state.computedState.clippedBounds); 819 LOG_ALWAYS_FATAL_IF(*op.layerHandle == nullptr, "layer copy failed"); 820} 821 822void BakedOpDispatcher::onCopyFromLayerOp(BakedOpRenderer& renderer, const CopyFromLayerOp& op, const BakedOpState& state) { 823 LOG_ALWAYS_FATAL_IF(*op.layerHandle == nullptr, "no layer to draw underneath!"); 824 if (!state.computedState.clippedBounds.isEmpty()) { 825 if (op.paint && op.paint->getAlpha() < 255) { 826 SkPaint layerPaint; 827 layerPaint.setAlpha(op.paint->getAlpha()); 828 layerPaint.setXfermodeMode(SkXfermode::kDstIn_Mode); 829 layerPaint.setColorFilter(op.paint->getColorFilter()); 830 RectOp rectOp(state.computedState.clippedBounds, Matrix4::identity(), nullptr, &layerPaint); 831 BakedOpDispatcher::onRectOp(renderer, rectOp, state); 832 } 833 834 OffscreenBuffer& layer = **(op.layerHandle); 835 auto mode = PaintUtils::getXfermodeDirect(op.paint); 836 Glop glop; 837 GlopBuilder(renderer.renderState(), renderer.caches(), &glop) 838 .setRoundRectClipState(state.roundRectClipState) 839 .setMeshTexturedUvQuad(nullptr, layer.getTextureCoordinates()) 840 .setFillLayer(layer.texture, nullptr, 1.0f, mode, Blend::ModeOrderSwap::Swap) 841 .setTransform(state.computedState.transform, TransformFlags::None) 842 .setModelViewMapUnitToRect(state.computedState.clippedBounds) 843 .build(); 844 renderer.renderGlop(state, glop); 845 } 846 renderer.renderState().layerPool().putOrDelete(*op.layerHandle); 847} 848 849} // namespace uirenderer 850} // namespace android 851