BakedOpRenderer.cpp revision 64db2bf1118db88c937e2b8c61b299bb2a80e3cb
1b565df13a9e5c7b1d7d93bdfa4a793752d66d3ccChris Craik/* 2b565df13a9e5c7b1d7d93bdfa4a793752d66d3ccChris Craik * Copyright (C) 2015 The Android Open Source Project 3b565df13a9e5c7b1d7d93bdfa4a793752d66d3ccChris Craik * 4b565df13a9e5c7b1d7d93bdfa4a793752d66d3ccChris Craik * Licensed under the Apache License, Version 2.0 (the "License"); 5b565df13a9e5c7b1d7d93bdfa4a793752d66d3ccChris Craik * you may not use this file except in compliance with the License. 6b565df13a9e5c7b1d7d93bdfa4a793752d66d3ccChris Craik * You may obtain a copy of the License at 7b565df13a9e5c7b1d7d93bdfa4a793752d66d3ccChris Craik * 8b565df13a9e5c7b1d7d93bdfa4a793752d66d3ccChris Craik * http://www.apache.org/licenses/LICENSE-2.0 9b565df13a9e5c7b1d7d93bdfa4a793752d66d3ccChris Craik * 10b565df13a9e5c7b1d7d93bdfa4a793752d66d3ccChris Craik * Unless required by applicable law or agreed to in writing, software 11b565df13a9e5c7b1d7d93bdfa4a793752d66d3ccChris Craik * distributed under the License is distributed on an "AS IS" BASIS, 12b565df13a9e5c7b1d7d93bdfa4a793752d66d3ccChris Craik * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13b565df13a9e5c7b1d7d93bdfa4a793752d66d3ccChris Craik * See the License for the specific language governing permissions and 14b565df13a9e5c7b1d7d93bdfa4a793752d66d3ccChris Craik * limitations under the License. 15b565df13a9e5c7b1d7d93bdfa4a793752d66d3ccChris Craik */ 16b565df13a9e5c7b1d7d93bdfa4a793752d66d3ccChris Craik 17b565df13a9e5c7b1d7d93bdfa4a793752d66d3ccChris Craik#include "BakedOpRenderer.h" 18b565df13a9e5c7b1d7d93bdfa4a793752d66d3ccChris Craik 19b565df13a9e5c7b1d7d93bdfa4a793752d66d3ccChris Craik#include "Caches.h" 20b565df13a9e5c7b1d7d93bdfa4a793752d66d3ccChris Craik#include "Glop.h" 21b565df13a9e5c7b1d7d93bdfa4a793752d66d3ccChris Craik#include "GlopBuilder.h" 229fded232a9548a304e0145011df8849fba0dcda7Chris Craik#include "renderstate/OffscreenBufferPool.h" 23b565df13a9e5c7b1d7d93bdfa4a793752d66d3ccChris Craik#include "renderstate/RenderState.h" 24b565df13a9e5c7b1d7d93bdfa4a793752d66d3ccChris Craik#include "utils/GLUtils.h" 259fded232a9548a304e0145011df8849fba0dcda7Chris Craik#include "VertexBuffer.h" 26b565df13a9e5c7b1d7d93bdfa4a793752d66d3ccChris Craik 27a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik#include <algorithm> 28a1717271caac5e8ea3808c331d4141ac01a42134Chris Craik 29b565df13a9e5c7b1d7d93bdfa4a793752d66d3ccChris Craiknamespace android { 30b565df13a9e5c7b1d7d93bdfa4a793752d66d3ccChris Craiknamespace uirenderer { 31b565df13a9e5c7b1d7d93bdfa4a793752d66d3ccChris Craik 32d3daa3198e2212c985c634821682d5819346b653Chris CraikOffscreenBuffer* BakedOpRenderer::startTemporaryLayer(uint32_t width, uint32_t height) { 339fded232a9548a304e0145011df8849fba0dcda7Chris Craik LOG_ALWAYS_FATAL_IF(mRenderTarget.offscreenBuffer, "already has layer..."); 349fded232a9548a304e0145011df8849fba0dcda7Chris Craik 359fded232a9548a304e0145011df8849fba0dcda7Chris Craik OffscreenBuffer* buffer = mRenderState.layerPool().get(mRenderState, width, height); 3698787e6c9b2c10b1ab7820bdac168686025b924aChris Craik startRepaintLayer(buffer, Rect(width, height)); 370b7e8245db728d127ada698be63d78b33fc6e4daChris Craik return buffer; 380b7e8245db728d127ada698be63d78b33fc6e4daChris Craik} 390b7e8245db728d127ada698be63d78b33fc6e4daChris Craik 4098787e6c9b2c10b1ab7820bdac168686025b924aChris Craikvoid BakedOpRenderer::startRepaintLayer(OffscreenBuffer* offscreenBuffer, const Rect& repaintRect) { 41d3daa3198e2212c985c634821682d5819346b653Chris Craik LOG_ALWAYS_FATAL_IF(mRenderTarget.offscreenBuffer, "already has layer..."); 42d3daa3198e2212c985c634821682d5819346b653Chris Craik 430b7e8245db728d127ada698be63d78b33fc6e4daChris Craik mRenderTarget.offscreenBuffer = offscreenBuffer; 44818c9fbf1d76d5df19253ba4eb964efa939ec9ecChris Craik 455854b34881b1a747ac80b5077869ef270a92b1f4Chris Craik // create and bind framebuffer 460b8d0677be2289bbc9e0b48c0878fb67d1cc0ebdJohn Reck mRenderTarget.frameBufferId = mRenderState.createFramebuffer(); 475854b34881b1a747ac80b5077869ef270a92b1f4Chris Craik mRenderState.bindFramebuffer(mRenderTarget.frameBufferId); 48818c9fbf1d76d5df19253ba4eb964efa939ec9ecChris Craik 49818c9fbf1d76d5df19253ba4eb964efa939ec9ecChris Craik // attach the texture to the FBO 50818c9fbf1d76d5df19253ba4eb964efa939ec9ecChris Craik glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 5138e0c32852e3b9d8ca4a9d3791577f52536419cbJohn Reck offscreenBuffer->texture.id(), 0); 52975591a7af883d866d86ab819e164c6004694744John Reck GL_CHECKPOINT(LOW); 53975591a7af883d866d86ab819e164c6004694744John Reck 54818c9fbf1d76d5df19253ba4eb964efa939ec9ecChris Craik LOG_ALWAYS_FATAL_IF(glCheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE, 55818c9fbf1d76d5df19253ba4eb964efa939ec9ecChris Craik "framebuffer incomplete!"); 56818c9fbf1d76d5df19253ba4eb964efa939ec9ecChris Craik 57818c9fbf1d76d5df19253ba4eb964efa939ec9ecChris Craik // Change the viewport & ortho projection 580b7e8245db728d127ada698be63d78b33fc6e4daChris Craik setViewport(offscreenBuffer->viewportWidth, offscreenBuffer->viewportHeight); 5998787e6c9b2c10b1ab7820bdac168686025b924aChris Craik 6098787e6c9b2c10b1ab7820bdac168686025b924aChris Craik clearColorBuffer(repaintRect); 61818c9fbf1d76d5df19253ba4eb964efa939ec9ecChris Craik} 62818c9fbf1d76d5df19253ba4eb964efa939ec9ecChris Craik 635854b34881b1a747ac80b5077869ef270a92b1f4Chris Craikvoid BakedOpRenderer::endLayer() { 64e5b50197e870aa6d22c3893f5d25f4279f06e5c3Chris Craik if (mRenderTarget.stencil) { 65e5b50197e870aa6d22c3893f5d25f4279f06e5c3Chris Craik // if stencil was used for clipping, detach it and return it to pool 66e5b50197e870aa6d22c3893f5d25f4279f06e5c3Chris Craik glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_RENDERBUFFER, 0); 67975591a7af883d866d86ab819e164c6004694744John Reck GL_CHECKPOINT(MODERATE); 68e5b50197e870aa6d22c3893f5d25f4279f06e5c3Chris Craik mCaches.renderBufferCache.put(mRenderTarget.stencil); 69e5b50197e870aa6d22c3893f5d25f4279f06e5c3Chris Craik mRenderTarget.stencil = nullptr; 70e5b50197e870aa6d22c3893f5d25f4279f06e5c3Chris Craik } 71e4db79de127cfe961195f52907af8451026eaa20Chris Craik mRenderTarget.lastStencilClip = nullptr; 72818c9fbf1d76d5df19253ba4eb964efa939ec9ecChris Craik 73e5b50197e870aa6d22c3893f5d25f4279f06e5c3Chris Craik mRenderTarget.offscreenBuffer->updateMeshFromRegion(); 74e5b50197e870aa6d22c3893f5d25f4279f06e5c3Chris Craik mRenderTarget.offscreenBuffer = nullptr; // It's in drawLayerOp's hands now. 75e5b50197e870aa6d22c3893f5d25f4279f06e5c3Chris Craik 76818c9fbf1d76d5df19253ba4eb964efa939ec9ecChris Craik // Detach the texture from the FBO 77818c9fbf1d76d5df19253ba4eb964efa939ec9ecChris Craik glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0); 78975591a7af883d866d86ab819e164c6004694744John Reck GL_CHECKPOINT(LOW); 795854b34881b1a747ac80b5077869ef270a92b1f4Chris Craik mRenderState.deleteFramebuffer(mRenderTarget.frameBufferId); 80e4db79de127cfe961195f52907af8451026eaa20Chris Craik mRenderTarget.frameBufferId = 0; 81818c9fbf1d76d5df19253ba4eb964efa939ec9ecChris Craik} 82818c9fbf1d76d5df19253ba4eb964efa939ec9ecChris Craik 837435eb148e72382126e9073183e881357bb38a8bChris CraikOffscreenBuffer* BakedOpRenderer::copyToLayer(const Rect& area) { 847435eb148e72382126e9073183e881357bb38a8bChris Craik OffscreenBuffer* buffer = mRenderState.layerPool().get(mRenderState, 857435eb148e72382126e9073183e881357bb38a8bChris Craik area.getWidth(), area.getHeight()); 867435eb148e72382126e9073183e881357bb38a8bChris Craik if (!area.isEmpty()) { 877435eb148e72382126e9073183e881357bb38a8bChris Craik mCaches.textureState().activateTexture(0); 8838e0c32852e3b9d8ca4a9d3791577f52536419cbJohn Reck mCaches.textureState().bindTexture(buffer->texture.id()); 897435eb148e72382126e9073183e881357bb38a8bChris Craik 907435eb148e72382126e9073183e881357bb38a8bChris Craik glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 917435eb148e72382126e9073183e881357bb38a8bChris Craik area.left, mRenderTarget.viewportHeight - area.bottom, 927435eb148e72382126e9073183e881357bb38a8bChris Craik area.getWidth(), area.getHeight()); 937435eb148e72382126e9073183e881357bb38a8bChris Craik } 947435eb148e72382126e9073183e881357bb38a8bChris Craik return buffer; 957435eb148e72382126e9073183e881357bb38a8bChris Craik} 967435eb148e72382126e9073183e881357bb38a8bChris Craik 9798787e6c9b2c10b1ab7820bdac168686025b924aChris Craikvoid BakedOpRenderer::startFrame(uint32_t width, uint32_t height, const Rect& repaintRect) { 98e4db79de127cfe961195f52907af8451026eaa20Chris Craik LOG_ALWAYS_FATAL_IF(mRenderTarget.frameBufferId != 0, "primary framebufferId must be 0"); 995854b34881b1a747ac80b5077869ef270a92b1f4Chris Craik mRenderState.bindFramebuffer(0); 1005854b34881b1a747ac80b5077869ef270a92b1f4Chris Craik setViewport(width, height); 101b565df13a9e5c7b1d7d93bdfa4a793752d66d3ccChris Craik 1025854b34881b1a747ac80b5077869ef270a92b1f4Chris Craik if (!mOpaque) { 10398787e6c9b2c10b1ab7820bdac168686025b924aChris Craik clearColorBuffer(repaintRect); 104b565df13a9e5c7b1d7d93bdfa4a793752d66d3ccChris Craik } 105e4db79de127cfe961195f52907af8451026eaa20Chris Craik 106e4db79de127cfe961195f52907af8451026eaa20Chris Craik mRenderState.debugOverdraw(true, true); 107b565df13a9e5c7b1d7d93bdfa4a793752d66d3ccChris Craik} 1085854b34881b1a747ac80b5077869ef270a92b1f4Chris Craik 109e4db79de127cfe961195f52907af8451026eaa20Chris Craikvoid BakedOpRenderer::endFrame(const Rect& repaintRect) { 110e4db79de127cfe961195f52907af8451026eaa20Chris Craik if (CC_UNLIKELY(Properties::debugOverdraw)) { 111e4db79de127cfe961195f52907af8451026eaa20Chris Craik ClipRect overdrawClip(repaintRect); 112e4db79de127cfe961195f52907af8451026eaa20Chris Craik Rect viewportRect(mRenderTarget.viewportWidth, mRenderTarget.viewportHeight); 113e4db79de127cfe961195f52907af8451026eaa20Chris Craik // overdraw visualization 114e4db79de127cfe961195f52907af8451026eaa20Chris Craik for (int i = 1; i <= 4; i++) { 115e4db79de127cfe961195f52907af8451026eaa20Chris Craik if (i < 4) { 116e4db79de127cfe961195f52907af8451026eaa20Chris Craik // nth level of overdraw tests for n+1 draws per pixel 117e4db79de127cfe961195f52907af8451026eaa20Chris Craik mRenderState.stencil().enableDebugTest(i + 1, false); 118e4db79de127cfe961195f52907af8451026eaa20Chris Craik } else { 119e4db79de127cfe961195f52907af8451026eaa20Chris Craik // 4th level tests for 4 or higher draws per pixel 120e4db79de127cfe961195f52907af8451026eaa20Chris Craik mRenderState.stencil().enableDebugTest(4, true); 121e4db79de127cfe961195f52907af8451026eaa20Chris Craik } 122e4db79de127cfe961195f52907af8451026eaa20Chris Craik 123e4db79de127cfe961195f52907af8451026eaa20Chris Craik SkPaint paint; 124e4db79de127cfe961195f52907af8451026eaa20Chris Craik paint.setColor(mCaches.getOverdrawColor(i)); 125e4db79de127cfe961195f52907af8451026eaa20Chris Craik Glop glop; 126e4db79de127cfe961195f52907af8451026eaa20Chris Craik GlopBuilder(mRenderState, mCaches, &glop) 127e4db79de127cfe961195f52907af8451026eaa20Chris Craik .setRoundRectClipState(nullptr) 128e4db79de127cfe961195f52907af8451026eaa20Chris Craik .setMeshUnitQuad() 129e4db79de127cfe961195f52907af8451026eaa20Chris Craik .setFillPaint(paint, 1.0f) 130e4db79de127cfe961195f52907af8451026eaa20Chris Craik .setTransform(Matrix4::identity(), TransformFlags::None) 131e4db79de127cfe961195f52907af8451026eaa20Chris Craik .setModelViewMapUnitToRect(viewportRect) 132e4db79de127cfe961195f52907af8451026eaa20Chris Craik .build(); 133e4db79de127cfe961195f52907af8451026eaa20Chris Craik renderGlop(nullptr, &overdrawClip, glop); 134e4db79de127cfe961195f52907af8451026eaa20Chris Craik } 135e4db79de127cfe961195f52907af8451026eaa20Chris Craik mRenderState.stencil().disable(); 136e4db79de127cfe961195f52907af8451026eaa20Chris Craik } 137e4db79de127cfe961195f52907af8451026eaa20Chris Craik 138e5b50197e870aa6d22c3893f5d25f4279f06e5c3Chris Craik mCaches.clearGarbage(); 1395854b34881b1a747ac80b5077869ef270a92b1f4Chris Craik mCaches.pathCache.trim(); 1405854b34881b1a747ac80b5077869ef270a92b1f4Chris Craik mCaches.tessellationCache.trim(); 141b565df13a9e5c7b1d7d93bdfa4a793752d66d3ccChris Craik 142b565df13a9e5c7b1d7d93bdfa4a793752d66d3ccChris Craik#if DEBUG_MEMORY_USAGE 1435854b34881b1a747ac80b5077869ef270a92b1f4Chris Craik mCaches.dumpMemoryUsage(); 144b565df13a9e5c7b1d7d93bdfa4a793752d66d3ccChris Craik#else 145b565df13a9e5c7b1d7d93bdfa4a793752d66d3ccChris Craik if (Properties::debugLevel & kDebugMemory) { 1465854b34881b1a747ac80b5077869ef270a92b1f4Chris Craik mCaches.dumpMemoryUsage(); 147b565df13a9e5c7b1d7d93bdfa4a793752d66d3ccChris Craik } 148b565df13a9e5c7b1d7d93bdfa4a793752d66d3ccChris Craik#endif 149b565df13a9e5c7b1d7d93bdfa4a793752d66d3ccChris Craik} 150b565df13a9e5c7b1d7d93bdfa4a793752d66d3ccChris Craik 1515854b34881b1a747ac80b5077869ef270a92b1f4Chris Craikvoid BakedOpRenderer::setViewport(uint32_t width, uint32_t height) { 1525854b34881b1a747ac80b5077869ef270a92b1f4Chris Craik mRenderTarget.viewportWidth = width; 1535854b34881b1a747ac80b5077869ef270a92b1f4Chris Craik mRenderTarget.viewportHeight = height; 1545854b34881b1a747ac80b5077869ef270a92b1f4Chris Craik mRenderTarget.orthoMatrix.loadOrtho(width, height); 1555854b34881b1a747ac80b5077869ef270a92b1f4Chris Craik 1565854b34881b1a747ac80b5077869ef270a92b1f4Chris Craik mRenderState.setViewport(width, height); 1575854b34881b1a747ac80b5077869ef270a92b1f4Chris Craik mRenderState.blend().syncEnabled(); 1585854b34881b1a747ac80b5077869ef270a92b1f4Chris Craik} 1595854b34881b1a747ac80b5077869ef270a92b1f4Chris Craik 16098787e6c9b2c10b1ab7820bdac168686025b924aChris Craikvoid BakedOpRenderer::clearColorBuffer(const Rect& rect) { 16184ad6149db0e1dc98ed3778ee4fc2ab685765d9aChris Craik if (rect.contains(Rect(mRenderTarget.viewportWidth, mRenderTarget.viewportHeight))) { 16298787e6c9b2c10b1ab7820bdac168686025b924aChris Craik // Full viewport is being cleared - disable scissor 16398787e6c9b2c10b1ab7820bdac168686025b924aChris Craik mRenderState.scissor().setEnabled(false); 16498787e6c9b2c10b1ab7820bdac168686025b924aChris Craik } else { 16598787e6c9b2c10b1ab7820bdac168686025b924aChris Craik // Requested rect is subset of viewport - scissor to it to avoid over-clearing 16698787e6c9b2c10b1ab7820bdac168686025b924aChris Craik mRenderState.scissor().setEnabled(true); 16798787e6c9b2c10b1ab7820bdac168686025b924aChris Craik mRenderState.scissor().set(rect.left, mRenderTarget.viewportHeight - rect.bottom, 16898787e6c9b2c10b1ab7820bdac168686025b924aChris Craik rect.getWidth(), rect.getHeight()); 16998787e6c9b2c10b1ab7820bdac168686025b924aChris Craik } 17098787e6c9b2c10b1ab7820bdac168686025b924aChris Craik glClear(GL_COLOR_BUFFER_BIT); 17198787e6c9b2c10b1ab7820bdac168686025b924aChris Craik if (!mRenderTarget.frameBufferId) mHasDrawn = true; 17298787e6c9b2c10b1ab7820bdac168686025b924aChris Craik} 17398787e6c9b2c10b1ab7820bdac168686025b924aChris Craik 1745854b34881b1a747ac80b5077869ef270a92b1f4Chris CraikTexture* BakedOpRenderer::getTexture(const SkBitmap* bitmap) { 17515c3f19a445b8df575911a16e8a6dba755a084b5Chris Craik Texture* texture = mRenderState.assetAtlas().getEntryTexture(bitmap->pixelRef()); 1765854b34881b1a747ac80b5077869ef270a92b1f4Chris Craik if (!texture) { 1775854b34881b1a747ac80b5077869ef270a92b1f4Chris Craik return mCaches.textureCache.get(bitmap); 1785854b34881b1a747ac80b5077869ef270a92b1f4Chris Craik } 1795854b34881b1a747ac80b5077869ef270a92b1f4Chris Craik return texture; 1805854b34881b1a747ac80b5077869ef270a92b1f4Chris Craik} 1815854b34881b1a747ac80b5077869ef270a92b1f4Chris Craik 182e4db79de127cfe961195f52907af8451026eaa20Chris Craik// clears and re-fills stencil with provided rendertarget space quads, 183e4db79de127cfe961195f52907af8451026eaa20Chris Craik// and then put stencil into test mode 184e4db79de127cfe961195f52907af8451026eaa20Chris Craikvoid BakedOpRenderer::setupStencilQuads(std::vector<Vertex>& quadVertices, 185e4db79de127cfe961195f52907af8451026eaa20Chris Craik int incrementThreshold) { 186e4db79de127cfe961195f52907af8451026eaa20Chris Craik mRenderState.stencil().enableWrite(incrementThreshold); 187e4db79de127cfe961195f52907af8451026eaa20Chris Craik mRenderState.stencil().clear(); 188e4db79de127cfe961195f52907af8451026eaa20Chris Craik Glop glop; 189e4db79de127cfe961195f52907af8451026eaa20Chris Craik GlopBuilder(mRenderState, mCaches, &glop) 190e4db79de127cfe961195f52907af8451026eaa20Chris Craik .setRoundRectClipState(nullptr) 191e4db79de127cfe961195f52907af8451026eaa20Chris Craik .setMeshIndexedQuads(quadVertices.data(), quadVertices.size() / 4) 192e4db79de127cfe961195f52907af8451026eaa20Chris Craik .setFillBlack() 193e4db79de127cfe961195f52907af8451026eaa20Chris Craik .setTransform(Matrix4::identity(), TransformFlags::None) 194e4db79de127cfe961195f52907af8451026eaa20Chris Craik .setModelViewIdentityEmptyBounds() 195e4db79de127cfe961195f52907af8451026eaa20Chris Craik .build(); 196e4db79de127cfe961195f52907af8451026eaa20Chris Craik mRenderState.render(glop, mRenderTarget.orthoMatrix); 197e4db79de127cfe961195f52907af8451026eaa20Chris Craik mRenderState.stencil().enableTest(incrementThreshold); 198e4db79de127cfe961195f52907af8451026eaa20Chris Craik} 199e4db79de127cfe961195f52907af8451026eaa20Chris Craik 200e4db79de127cfe961195f52907af8451026eaa20Chris Craikvoid BakedOpRenderer::setupStencilRectList(const ClipBase* clip) { 20115f046866cb650d78f55d03327cfa4a474fc9471Chris Craik LOG_ALWAYS_FATAL_IF(clip->mode != ClipMode::RectangleList, "can't rectlist clip without rectlist"); 202e4db79de127cfe961195f52907af8451026eaa20Chris Craik auto&& rectList = reinterpret_cast<const ClipRectList*>(clip)->rectList; 203e4db79de127cfe961195f52907af8451026eaa20Chris Craik int quadCount = rectList.getTransformedRectanglesCount(); 204e4db79de127cfe961195f52907af8451026eaa20Chris Craik std::vector<Vertex> rectangleVertices; 205e4db79de127cfe961195f52907af8451026eaa20Chris Craik rectangleVertices.reserve(quadCount * 4); 206e4db79de127cfe961195f52907af8451026eaa20Chris Craik for (int i = 0; i < quadCount; i++) { 207e4db79de127cfe961195f52907af8451026eaa20Chris Craik const TransformedRectangle& tr(rectList.getTransformedRectangle(i)); 208e4db79de127cfe961195f52907af8451026eaa20Chris Craik const Matrix4& transform = tr.getTransform(); 209e4db79de127cfe961195f52907af8451026eaa20Chris Craik Rect bounds = tr.getBounds(); 210e4db79de127cfe961195f52907af8451026eaa20Chris Craik if (transform.rectToRect()) { 211e4db79de127cfe961195f52907af8451026eaa20Chris Craik // If rectToRect, can simply map bounds before storing verts 212e4db79de127cfe961195f52907af8451026eaa20Chris Craik transform.mapRect(bounds); 213e4db79de127cfe961195f52907af8451026eaa20Chris Craik bounds.doIntersect(clip->rect); 214e4db79de127cfe961195f52907af8451026eaa20Chris Craik if (bounds.isEmpty()) { 215e4db79de127cfe961195f52907af8451026eaa20Chris Craik continue; // will be outside of scissor, skip 216e4db79de127cfe961195f52907af8451026eaa20Chris Craik } 217e4db79de127cfe961195f52907af8451026eaa20Chris Craik } 218e4db79de127cfe961195f52907af8451026eaa20Chris Craik 219e4db79de127cfe961195f52907af8451026eaa20Chris Craik rectangleVertices.push_back(Vertex{bounds.left, bounds.top}); 220e4db79de127cfe961195f52907af8451026eaa20Chris Craik rectangleVertices.push_back(Vertex{bounds.right, bounds.top}); 221e4db79de127cfe961195f52907af8451026eaa20Chris Craik rectangleVertices.push_back(Vertex{bounds.left, bounds.bottom}); 222e4db79de127cfe961195f52907af8451026eaa20Chris Craik rectangleVertices.push_back(Vertex{bounds.right, bounds.bottom}); 223e4db79de127cfe961195f52907af8451026eaa20Chris Craik 224e4db79de127cfe961195f52907af8451026eaa20Chris Craik if (!transform.rectToRect()) { 225e4db79de127cfe961195f52907af8451026eaa20Chris Craik // If not rectToRect, must map each point individually 226e4db79de127cfe961195f52907af8451026eaa20Chris Craik for (auto cur = rectangleVertices.end() - 4; cur < rectangleVertices.end(); cur++) { 227e4db79de127cfe961195f52907af8451026eaa20Chris Craik transform.mapPoint(cur->x, cur->y); 228e4db79de127cfe961195f52907af8451026eaa20Chris Craik } 229e4db79de127cfe961195f52907af8451026eaa20Chris Craik } 230e4db79de127cfe961195f52907af8451026eaa20Chris Craik } 231e4db79de127cfe961195f52907af8451026eaa20Chris Craik setupStencilQuads(rectangleVertices, rectList.getTransformedRectanglesCount()); 232e4db79de127cfe961195f52907af8451026eaa20Chris Craik} 233e4db79de127cfe961195f52907af8451026eaa20Chris Craik 234e4db79de127cfe961195f52907af8451026eaa20Chris Craikvoid BakedOpRenderer::setupStencilRegion(const ClipBase* clip) { 23515f046866cb650d78f55d03327cfa4a474fc9471Chris Craik LOG_ALWAYS_FATAL_IF(clip->mode != ClipMode::Region, "can't region clip without region"); 236e4db79de127cfe961195f52907af8451026eaa20Chris Craik auto&& region = reinterpret_cast<const ClipRegion*>(clip)->region; 237e4db79de127cfe961195f52907af8451026eaa20Chris Craik 238e4db79de127cfe961195f52907af8451026eaa20Chris Craik std::vector<Vertex> regionVertices; 239e4db79de127cfe961195f52907af8451026eaa20Chris Craik SkRegion::Cliperator it(region, clip->rect.toSkIRect()); 240e4db79de127cfe961195f52907af8451026eaa20Chris Craik while (!it.done()) { 241e4db79de127cfe961195f52907af8451026eaa20Chris Craik const SkIRect& r = it.rect(); 242e4db79de127cfe961195f52907af8451026eaa20Chris Craik regionVertices.push_back(Vertex{(float)r.fLeft, (float)r.fTop}); 243e4db79de127cfe961195f52907af8451026eaa20Chris Craik regionVertices.push_back(Vertex{(float)r.fRight, (float)r.fTop}); 244e4db79de127cfe961195f52907af8451026eaa20Chris Craik regionVertices.push_back(Vertex{(float)r.fLeft, (float)r.fBottom}); 245e4db79de127cfe961195f52907af8451026eaa20Chris Craik regionVertices.push_back(Vertex{(float)r.fRight, (float)r.fBottom}); 246e4db79de127cfe961195f52907af8451026eaa20Chris Craik it.next(); 247e4db79de127cfe961195f52907af8451026eaa20Chris Craik } 248e4db79de127cfe961195f52907af8451026eaa20Chris Craik setupStencilQuads(regionVertices, 0); 249e4db79de127cfe961195f52907af8451026eaa20Chris Craik} 250e4db79de127cfe961195f52907af8451026eaa20Chris Craik 251e4db79de127cfe961195f52907af8451026eaa20Chris Craikvoid BakedOpRenderer::prepareRender(const Rect* dirtyBounds, const ClipBase* clip) { 252b87eadda1818034ce03d85f30388384d1ac65916Chris Craik // Prepare scissor (done before stencil, to simplify filling stencil) 25315c3f19a445b8df575911a16e8a6dba755a084b5Chris Craik mRenderState.scissor().setEnabled(clip != nullptr); 25415c3f19a445b8df575911a16e8a6dba755a084b5Chris Craik if (clip) { 255e4db79de127cfe961195f52907af8451026eaa20Chris Craik mRenderState.scissor().set(mRenderTarget.viewportHeight, clip->rect); 256e5b50197e870aa6d22c3893f5d25f4279f06e5c3Chris Craik } 257e5b50197e870aa6d22c3893f5d25f4279f06e5c3Chris Craik 258b87eadda1818034ce03d85f30388384d1ac65916Chris Craik // If stencil may be used for clipping, enable it, fill it, or disable it as appropriate 259e5b50197e870aa6d22c3893f5d25f4279f06e5c3Chris Craik if (CC_LIKELY(!Properties::debugOverdraw)) { 260e5b50197e870aa6d22c3893f5d25f4279f06e5c3Chris Craik // only modify stencil mode and content when it's not used for overdraw visualization 261e5b50197e870aa6d22c3893f5d25f4279f06e5c3Chris Craik if (CC_UNLIKELY(clip && clip->mode != ClipMode::Rectangle)) { 262e5b50197e870aa6d22c3893f5d25f4279f06e5c3Chris Craik // NOTE: this pointer check is only safe for non-rect clips, 263e5b50197e870aa6d22c3893f5d25f4279f06e5c3Chris Craik // since rect clips may be created on the stack 264e5b50197e870aa6d22c3893f5d25f4279f06e5c3Chris Craik if (mRenderTarget.lastStencilClip != clip) { 265e5b50197e870aa6d22c3893f5d25f4279f06e5c3Chris Craik // Stencil needed, but current stencil isn't up to date 266e5b50197e870aa6d22c3893f5d25f4279f06e5c3Chris Craik mRenderTarget.lastStencilClip = clip; 267e5b50197e870aa6d22c3893f5d25f4279f06e5c3Chris Craik 268e5b50197e870aa6d22c3893f5d25f4279f06e5c3Chris Craik if (mRenderTarget.frameBufferId != 0 && !mRenderTarget.stencil) { 269e5b50197e870aa6d22c3893f5d25f4279f06e5c3Chris Craik OffscreenBuffer* layer = mRenderTarget.offscreenBuffer; 270e5b50197e870aa6d22c3893f5d25f4279f06e5c3Chris Craik mRenderTarget.stencil = mCaches.renderBufferCache.get( 271e5b50197e870aa6d22c3893f5d25f4279f06e5c3Chris Craik Stencil::getLayerStencilFormat(), 27238e0c32852e3b9d8ca4a9d3791577f52536419cbJohn Reck layer->texture.width(), layer->texture.height()); 273e5b50197e870aa6d22c3893f5d25f4279f06e5c3Chris Craik // stencil is bound + allocated - associate it with current FBO 274e5b50197e870aa6d22c3893f5d25f4279f06e5c3Chris Craik glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, 275e5b50197e870aa6d22c3893f5d25f4279f06e5c3Chris Craik GL_RENDERBUFFER, mRenderTarget.stencil->getName()); 276e5b50197e870aa6d22c3893f5d25f4279f06e5c3Chris Craik } 277e5b50197e870aa6d22c3893f5d25f4279f06e5c3Chris Craik 278e5b50197e870aa6d22c3893f5d25f4279f06e5c3Chris Craik if (clip->mode == ClipMode::RectangleList) { 279e5b50197e870aa6d22c3893f5d25f4279f06e5c3Chris Craik setupStencilRectList(clip); 280e5b50197e870aa6d22c3893f5d25f4279f06e5c3Chris Craik } else { 281e5b50197e870aa6d22c3893f5d25f4279f06e5c3Chris Craik setupStencilRegion(clip); 282e4db79de127cfe961195f52907af8451026eaa20Chris Craik } 283e4db79de127cfe961195f52907af8451026eaa20Chris Craik } else { 284e5b50197e870aa6d22c3893f5d25f4279f06e5c3Chris Craik // stencil is up to date - just need to ensure it's enabled (since an unclipped 285e5b50197e870aa6d22c3893f5d25f4279f06e5c3Chris Craik // or scissor-only clipped op may have been drawn, disabling the stencil) 286e5b50197e870aa6d22c3893f5d25f4279f06e5c3Chris Craik int incrementThreshold = 0; 287e5b50197e870aa6d22c3893f5d25f4279f06e5c3Chris Craik if (CC_LIKELY(clip->mode == ClipMode::RectangleList)) { 288e5b50197e870aa6d22c3893f5d25f4279f06e5c3Chris Craik auto&& rectList = reinterpret_cast<const ClipRectList*>(clip)->rectList; 289e5b50197e870aa6d22c3893f5d25f4279f06e5c3Chris Craik incrementThreshold = rectList.getTransformedRectanglesCount(); 290e5b50197e870aa6d22c3893f5d25f4279f06e5c3Chris Craik } 291e5b50197e870aa6d22c3893f5d25f4279f06e5c3Chris Craik mRenderState.stencil().enableTest(incrementThreshold); 292e4db79de127cfe961195f52907af8451026eaa20Chris Craik } 293e5b50197e870aa6d22c3893f5d25f4279f06e5c3Chris Craik } else { 294e5b50197e870aa6d22c3893f5d25f4279f06e5c3Chris Craik // either scissor or no clip, so disable stencil test 295e5b50197e870aa6d22c3893f5d25f4279f06e5c3Chris Craik mRenderState.stencil().disable(); 296e4db79de127cfe961195f52907af8451026eaa20Chris Craik } 2975854b34881b1a747ac80b5077869ef270a92b1f4Chris Craik } 298e4db79de127cfe961195f52907af8451026eaa20Chris Craik 29964db2bf1118db88c937e2b8c61b299bb2a80e3cbChris Craik if (dirtyBounds) { 30064db2bf1118db88c937e2b8c61b299bb2a80e3cbChris Craik // dirty offscreenbuffer if present 30164db2bf1118db88c937e2b8c61b299bb2a80e3cbChris Craik dirtyRenderTarget(*dirtyBounds); 3028d2cf943d9c7292e54726399faefdec4a01c084bChris Craik } 303e29ce6f51d681af7649c0a7cddee97c471e43eb5Chris Craik} 304e29ce6f51d681af7649c0a7cddee97c471e43eb5Chris Craik 305e4db79de127cfe961195f52907af8451026eaa20Chris Craikvoid BakedOpRenderer::renderGlop(const Rect* dirtyBounds, const ClipBase* clip, 306e4db79de127cfe961195f52907af8451026eaa20Chris Craik const Glop& glop) { 307e29ce6f51d681af7649c0a7cddee97c471e43eb5Chris Craik prepareRender(dirtyBounds, clip); 3085854b34881b1a747ac80b5077869ef270a92b1f4Chris Craik mRenderState.render(glop, mRenderTarget.orthoMatrix); 30998787e6c9b2c10b1ab7820bdac168686025b924aChris Craik if (!mRenderTarget.frameBufferId) mHasDrawn = true; 3105854b34881b1a747ac80b5077869ef270a92b1f4Chris Craik} 3115854b34881b1a747ac80b5077869ef270a92b1f4Chris Craik 312e29ce6f51d681af7649c0a7cddee97c471e43eb5Chris Craikvoid BakedOpRenderer::renderFunctor(const FunctorOp& op, const BakedOpState& state) { 313e4db79de127cfe961195f52907af8451026eaa20Chris Craik prepareRender(&state.computedState.clippedBounds, state.computedState.getClipIfNeeded()); 314e29ce6f51d681af7649c0a7cddee97c471e43eb5Chris Craik 315e29ce6f51d681af7649c0a7cddee97c471e43eb5Chris Craik DrawGlInfo info; 316e4db79de127cfe961195f52907af8451026eaa20Chris Craik auto&& clip = state.computedState.clipRect(); 317e29ce6f51d681af7649c0a7cddee97c471e43eb5Chris Craik info.clipLeft = clip.left; 318e29ce6f51d681af7649c0a7cddee97c471e43eb5Chris Craik info.clipTop = clip.top; 319e29ce6f51d681af7649c0a7cddee97c471e43eb5Chris Craik info.clipRight = clip.right; 320e29ce6f51d681af7649c0a7cddee97c471e43eb5Chris Craik info.clipBottom = clip.bottom; 321e29ce6f51d681af7649c0a7cddee97c471e43eb5Chris Craik info.isLayer = offscreenRenderTarget(); 322e29ce6f51d681af7649c0a7cddee97c471e43eb5Chris Craik info.width = mRenderTarget.viewportWidth; 323e29ce6f51d681af7649c0a7cddee97c471e43eb5Chris Craik info.height = mRenderTarget.viewportHeight; 324e29ce6f51d681af7649c0a7cddee97c471e43eb5Chris Craik state.computedState.transform.copyTo(&info.transform[0]); 325e29ce6f51d681af7649c0a7cddee97c471e43eb5Chris Craik 326e29ce6f51d681af7649c0a7cddee97c471e43eb5Chris Craik mRenderState.invokeFunctor(op.functor, DrawGlInfo::kModeDraw, &info); 327e29ce6f51d681af7649c0a7cddee97c471e43eb5Chris Craik} 328e29ce6f51d681af7649c0a7cddee97c471e43eb5Chris Craik 32915c3f19a445b8df575911a16e8a6dba755a084b5Chris Craikvoid BakedOpRenderer::dirtyRenderTarget(const Rect& uiDirty) { 33015c3f19a445b8df575911a16e8a6dba755a084b5Chris Craik if (mRenderTarget.offscreenBuffer) { 33164db2bf1118db88c937e2b8c61b299bb2a80e3cbChris Craik mRenderTarget.offscreenBuffer->dirty(uiDirty); 33215c3f19a445b8df575911a16e8a6dba755a084b5Chris Craik } 33315c3f19a445b8df575911a16e8a6dba755a084b5Chris Craik} 33415c3f19a445b8df575911a16e8a6dba755a084b5Chris Craik 335b565df13a9e5c7b1d7d93bdfa4a793752d66d3ccChris Craik} // namespace uirenderer 336b565df13a9e5c7b1d7d93bdfa4a793752d66d3ccChris Craik} // namespace android 337