Chris Craik | b565df1 | 2015-10-05 13:00:52 -0700 | [diff] [blame] | 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 "BakedOpRenderer.h" |
| 18 | |
| 19 | #include "Caches.h" |
| 20 | #include "Glop.h" |
| 21 | #include "GlopBuilder.h" |
| 22 | #include "renderstate/RenderState.h" |
| 23 | #include "utils/GLUtils.h" |
| 24 | |
| 25 | namespace android { |
| 26 | namespace uirenderer { |
| 27 | |
Chris Craik | 5854b34 | 2015-10-26 15:49:56 -0700 | [diff] [blame] | 28 | //////////////////////////////////////////////////////////////////////////////// |
| 29 | // OffscreenBuffer |
| 30 | //////////////////////////////////////////////////////////////////////////////// |
Chris Craik | 818c9fb | 2015-10-23 14:33:42 -0700 | [diff] [blame] | 31 | |
Chris Craik | 5854b34 | 2015-10-26 15:49:56 -0700 | [diff] [blame] | 32 | OffscreenBuffer::OffscreenBuffer(Caches& caches, uint32_t textureWidth, uint32_t textureHeight, |
| 33 | uint32_t viewportWidth, uint32_t viewportHeight) |
Chris Craik | 0b7e824 | 2015-10-28 16:50:44 -0700 | [diff] [blame^] | 34 | : viewportWidth(viewportWidth) |
| 35 | , viewportHeight(viewportHeight) |
| 36 | , texture(caches) |
Chris Craik | 5854b34 | 2015-10-26 15:49:56 -0700 | [diff] [blame] | 37 | , texCoords(0, viewportHeight / float(textureHeight), viewportWidth / float(textureWidth), 0) { |
| 38 | texture.width = textureWidth; |
| 39 | texture.height = textureHeight; |
| 40 | |
| 41 | caches.textureState().activateTexture(0); |
| 42 | glGenTextures(1, &texture.id); |
| 43 | caches.textureState().bindTexture(GL_TEXTURE_2D, texture.id); |
| 44 | |
| 45 | texture.setWrap(GL_CLAMP_TO_EDGE, false, false, GL_TEXTURE_2D); |
| 46 | // not setting filter on texture, since it's set when drawing, based on transform |
| 47 | |
| 48 | glPixelStorei(GL_UNPACK_ALIGNMENT, 4); |
| 49 | glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, texture.width, texture.height, 0, |
| 50 | GL_RGBA, GL_UNSIGNED_BYTE, nullptr); |
Chris Craik | 818c9fb | 2015-10-23 14:33:42 -0700 | [diff] [blame] | 51 | } |
| 52 | |
Chris Craik | 5854b34 | 2015-10-26 15:49:56 -0700 | [diff] [blame] | 53 | //////////////////////////////////////////////////////////////////////////////// |
| 54 | // BakedOpRenderer |
| 55 | //////////////////////////////////////////////////////////////////////////////// |
Chris Craik | b565df1 | 2015-10-05 13:00:52 -0700 | [diff] [blame] | 56 | |
Chris Craik | 0b7e824 | 2015-10-28 16:50:44 -0700 | [diff] [blame^] | 57 | OffscreenBuffer* BakedOpRenderer::createOffscreenBuffer(uint32_t width, uint32_t height) { |
| 58 | // TODO: get from cache! |
| 59 | return new OffscreenBuffer(Caches::getInstance(), width, height, width, height); |
| 60 | } |
| 61 | |
| 62 | void BakedOpRenderer::destroyOffscreenBuffer(OffscreenBuffer* offscreenBuffer) { |
| 63 | // destroy and delete, since each clipped saveLayer is only drawn once. |
| 64 | offscreenBuffer->texture.deleteTexture(); |
| 65 | |
| 66 | // TODO: return texture/offscreenbuffer to cache! |
| 67 | delete offscreenBuffer; |
| 68 | } |
| 69 | |
| 70 | OffscreenBuffer* BakedOpRenderer::createLayer(uint32_t width, uint32_t height) { |
Chris Craik | 5854b34 | 2015-10-26 15:49:56 -0700 | [diff] [blame] | 71 | LOG_ALWAYS_FATAL_IF(mRenderTarget.offscreenBuffer, "already has layer..."); |
Chris Craik | b565df1 | 2015-10-05 13:00:52 -0700 | [diff] [blame] | 72 | |
Chris Craik | 0b7e824 | 2015-10-28 16:50:44 -0700 | [diff] [blame^] | 73 | OffscreenBuffer* buffer = createOffscreenBuffer(width, height); |
| 74 | startLayer(buffer); |
| 75 | return buffer; |
| 76 | } |
| 77 | |
| 78 | void BakedOpRenderer::startLayer(OffscreenBuffer* offscreenBuffer) { |
| 79 | mRenderTarget.offscreenBuffer = offscreenBuffer; |
Chris Craik | 818c9fb | 2015-10-23 14:33:42 -0700 | [diff] [blame] | 80 | |
Chris Craik | 5854b34 | 2015-10-26 15:49:56 -0700 | [diff] [blame] | 81 | // create and bind framebuffer |
| 82 | mRenderTarget.frameBufferId = mRenderState.genFramebuffer(); |
| 83 | mRenderState.bindFramebuffer(mRenderTarget.frameBufferId); |
Chris Craik | 818c9fb | 2015-10-23 14:33:42 -0700 | [diff] [blame] | 84 | |
| 85 | // attach the texture to the FBO |
| 86 | glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, |
Chris Craik | 0b7e824 | 2015-10-28 16:50:44 -0700 | [diff] [blame^] | 87 | offscreenBuffer->texture.id, 0); |
Chris Craik | 818c9fb | 2015-10-23 14:33:42 -0700 | [diff] [blame] | 88 | LOG_ALWAYS_FATAL_IF(GLUtils::dumpGLErrors(), "startLayer FAILED"); |
| 89 | LOG_ALWAYS_FATAL_IF(glCheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE, |
| 90 | "framebuffer incomplete!"); |
| 91 | |
| 92 | // Clear the FBO |
Chris Craik | 5854b34 | 2015-10-26 15:49:56 -0700 | [diff] [blame] | 93 | mRenderState.scissor().setEnabled(false); |
Chris Craik | 818c9fb | 2015-10-23 14:33:42 -0700 | [diff] [blame] | 94 | glClear(GL_COLOR_BUFFER_BIT); |
| 95 | |
| 96 | // Change the viewport & ortho projection |
Chris Craik | 0b7e824 | 2015-10-28 16:50:44 -0700 | [diff] [blame^] | 97 | setViewport(offscreenBuffer->viewportWidth, offscreenBuffer->viewportHeight); |
Chris Craik | 818c9fb | 2015-10-23 14:33:42 -0700 | [diff] [blame] | 98 | } |
| 99 | |
Chris Craik | 5854b34 | 2015-10-26 15:49:56 -0700 | [diff] [blame] | 100 | void BakedOpRenderer::endLayer() { |
| 101 | mRenderTarget.offscreenBuffer = nullptr; |
Chris Craik | 818c9fb | 2015-10-23 14:33:42 -0700 | [diff] [blame] | 102 | |
| 103 | // Detach the texture from the FBO |
| 104 | glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0); |
| 105 | LOG_ALWAYS_FATAL_IF(GLUtils::dumpGLErrors(), "endLayer FAILED"); |
Chris Craik | 5854b34 | 2015-10-26 15:49:56 -0700 | [diff] [blame] | 106 | mRenderState.deleteFramebuffer(mRenderTarget.frameBufferId); |
| 107 | mRenderTarget.frameBufferId = -1; |
Chris Craik | 818c9fb | 2015-10-23 14:33:42 -0700 | [diff] [blame] | 108 | } |
| 109 | |
Chris Craik | 5854b34 | 2015-10-26 15:49:56 -0700 | [diff] [blame] | 110 | void BakedOpRenderer::startFrame(uint32_t width, uint32_t height) { |
| 111 | mRenderState.bindFramebuffer(0); |
| 112 | setViewport(width, height); |
| 113 | mCaches.clearGarbage(); |
Chris Craik | b565df1 | 2015-10-05 13:00:52 -0700 | [diff] [blame] | 114 | |
Chris Craik | 5854b34 | 2015-10-26 15:49:56 -0700 | [diff] [blame] | 115 | if (!mOpaque) { |
Chris Craik | b565df1 | 2015-10-05 13:00:52 -0700 | [diff] [blame] | 116 | // TODO: partial invalidate! |
Chris Craik | 5854b34 | 2015-10-26 15:49:56 -0700 | [diff] [blame] | 117 | mRenderState.scissor().setEnabled(false); |
Chris Craik | b565df1 | 2015-10-05 13:00:52 -0700 | [diff] [blame] | 118 | glClear(GL_COLOR_BUFFER_BIT); |
Chris Craik | 5854b34 | 2015-10-26 15:49:56 -0700 | [diff] [blame] | 119 | mHasDrawn = true; |
Chris Craik | b565df1 | 2015-10-05 13:00:52 -0700 | [diff] [blame] | 120 | } |
| 121 | } |
Chris Craik | 5854b34 | 2015-10-26 15:49:56 -0700 | [diff] [blame] | 122 | |
| 123 | void BakedOpRenderer::endFrame() { |
| 124 | mCaches.pathCache.trim(); |
| 125 | mCaches.tessellationCache.trim(); |
Chris Craik | b565df1 | 2015-10-05 13:00:52 -0700 | [diff] [blame] | 126 | |
| 127 | #if DEBUG_OPENGL |
| 128 | GLUtils::dumpGLErrors(); |
| 129 | #endif |
| 130 | |
| 131 | #if DEBUG_MEMORY_USAGE |
Chris Craik | 5854b34 | 2015-10-26 15:49:56 -0700 | [diff] [blame] | 132 | mCaches.dumpMemoryUsage(); |
Chris Craik | b565df1 | 2015-10-05 13:00:52 -0700 | [diff] [blame] | 133 | #else |
| 134 | if (Properties::debugLevel & kDebugMemory) { |
Chris Craik | 5854b34 | 2015-10-26 15:49:56 -0700 | [diff] [blame] | 135 | mCaches.dumpMemoryUsage(); |
Chris Craik | b565df1 | 2015-10-05 13:00:52 -0700 | [diff] [blame] | 136 | } |
| 137 | #endif |
| 138 | } |
| 139 | |
Chris Craik | 5854b34 | 2015-10-26 15:49:56 -0700 | [diff] [blame] | 140 | void BakedOpRenderer::setViewport(uint32_t width, uint32_t height) { |
| 141 | mRenderTarget.viewportWidth = width; |
| 142 | mRenderTarget.viewportHeight = height; |
| 143 | mRenderTarget.orthoMatrix.loadOrtho(width, height); |
| 144 | |
| 145 | mRenderState.setViewport(width, height); |
| 146 | mRenderState.blend().syncEnabled(); |
| 147 | } |
| 148 | |
| 149 | Texture* BakedOpRenderer::getTexture(const SkBitmap* bitmap) { |
| 150 | Texture* texture = mRenderState.assetAtlas().getEntryTexture(bitmap); |
| 151 | if (!texture) { |
| 152 | return mCaches.textureCache.get(bitmap); |
| 153 | } |
| 154 | return texture; |
| 155 | } |
| 156 | |
| 157 | void BakedOpRenderer::renderGlop(const BakedOpState& state, const Glop& glop) { |
| 158 | bool useScissor = state.computedState.clipSideFlags != OpClipSideFlags::None; |
| 159 | mRenderState.scissor().setEnabled(useScissor); |
| 160 | if (useScissor) { |
| 161 | const Rect& clip = state.computedState.clipRect; |
| 162 | mRenderState.scissor().set(clip.left, mRenderTarget.viewportHeight - clip.bottom, |
| 163 | clip.getWidth(), clip.getHeight()); |
| 164 | } |
| 165 | mRenderState.render(glop, mRenderTarget.orthoMatrix); |
| 166 | mHasDrawn = true; |
| 167 | } |
| 168 | |
| 169 | //////////////////////////////////////////////////////////////////////////////// |
| 170 | // static BakedOpDispatcher methods |
| 171 | //////////////////////////////////////////////////////////////////////////////// |
| 172 | |
| 173 | void BakedOpDispatcher::onRenderNodeOp(BakedOpRenderer&, const RenderNodeOp&, const BakedOpState&) { |
Chris Craik | b565df1 | 2015-10-05 13:00:52 -0700 | [diff] [blame] | 174 | LOG_ALWAYS_FATAL("unsupported operation"); |
| 175 | } |
| 176 | |
Chris Craik | 5854b34 | 2015-10-26 15:49:56 -0700 | [diff] [blame] | 177 | void BakedOpDispatcher::onBitmapOp(BakedOpRenderer& renderer, const BitmapOp& op, const BakedOpState& state) { |
| 178 | renderer.caches().textureState().activateTexture(0); // TODO: should this be automatic, and/or elsewhere? |
| 179 | Texture* texture = renderer.getTexture(op.bitmap); |
Chris Craik | b565df1 | 2015-10-05 13:00:52 -0700 | [diff] [blame] | 180 | if (!texture) return; |
| 181 | const AutoTexture autoCleanup(texture); |
| 182 | |
| 183 | const int textureFillFlags = (op.bitmap->colorType() == kAlpha_8_SkColorType) |
| 184 | ? TextureFillFlags::IsAlphaMaskTexture : TextureFillFlags::None; |
| 185 | Glop glop; |
Chris Craik | 5854b34 | 2015-10-26 15:49:56 -0700 | [diff] [blame] | 186 | GlopBuilder(renderer.renderState(), renderer.caches(), &glop) |
Chris Craik | b565df1 | 2015-10-05 13:00:52 -0700 | [diff] [blame] | 187 | .setRoundRectClipState(state.roundRectClipState) |
| 188 | .setMeshTexturedUnitQuad(texture->uvMapper) |
| 189 | .setFillTexturePaint(*texture, textureFillFlags, op.paint, state.alpha) |
| 190 | .setTransform(state.computedState.transform, TransformFlags::None) |
| 191 | .setModelViewMapUnitToRectSnap(Rect(0, 0, texture->width, texture->height)) |
| 192 | .build(); |
Chris Craik | 5854b34 | 2015-10-26 15:49:56 -0700 | [diff] [blame] | 193 | renderer.renderGlop(state, glop); |
Chris Craik | b565df1 | 2015-10-05 13:00:52 -0700 | [diff] [blame] | 194 | } |
| 195 | |
Chris Craik | 5854b34 | 2015-10-26 15:49:56 -0700 | [diff] [blame] | 196 | void BakedOpDispatcher::onRectOp(BakedOpRenderer& renderer, const RectOp& op, const BakedOpState& state) { |
Chris Craik | b565df1 | 2015-10-05 13:00:52 -0700 | [diff] [blame] | 197 | Glop glop; |
Chris Craik | 5854b34 | 2015-10-26 15:49:56 -0700 | [diff] [blame] | 198 | GlopBuilder(renderer.renderState(), renderer.caches(), &glop) |
Chris Craik | b565df1 | 2015-10-05 13:00:52 -0700 | [diff] [blame] | 199 | .setRoundRectClipState(state.roundRectClipState) |
| 200 | .setMeshUnitQuad() |
| 201 | .setFillPaint(*op.paint, state.alpha) |
| 202 | .setTransform(state.computedState.transform, TransformFlags::None) |
| 203 | .setModelViewMapUnitToRect(op.unmappedBounds) |
| 204 | .build(); |
Chris Craik | 5854b34 | 2015-10-26 15:49:56 -0700 | [diff] [blame] | 205 | renderer.renderGlop(state, glop); |
Chris Craik | b565df1 | 2015-10-05 13:00:52 -0700 | [diff] [blame] | 206 | } |
| 207 | |
Chris Craik | 5854b34 | 2015-10-26 15:49:56 -0700 | [diff] [blame] | 208 | void BakedOpDispatcher::onSimpleRectsOp(BakedOpRenderer& renderer, const SimpleRectsOp& op, const BakedOpState& state) { |
Chris Craik | b565df1 | 2015-10-05 13:00:52 -0700 | [diff] [blame] | 209 | Glop glop; |
Chris Craik | 5854b34 | 2015-10-26 15:49:56 -0700 | [diff] [blame] | 210 | GlopBuilder(renderer.renderState(), renderer.caches(), &glop) |
Chris Craik | b565df1 | 2015-10-05 13:00:52 -0700 | [diff] [blame] | 211 | .setRoundRectClipState(state.roundRectClipState) |
| 212 | .setMeshIndexedQuads(&op.vertices[0], op.vertexCount / 4) |
| 213 | .setFillPaint(*op.paint, state.alpha) |
| 214 | .setTransform(state.computedState.transform, TransformFlags::None) |
| 215 | .setModelViewOffsetRect(0, 0, op.unmappedBounds) |
| 216 | .build(); |
Chris Craik | 5854b34 | 2015-10-26 15:49:56 -0700 | [diff] [blame] | 217 | renderer.renderGlop(state, glop); |
Chris Craik | b565df1 | 2015-10-05 13:00:52 -0700 | [diff] [blame] | 218 | } |
| 219 | |
Chris Craik | 5854b34 | 2015-10-26 15:49:56 -0700 | [diff] [blame] | 220 | void BakedOpDispatcher::onBeginLayerOp(BakedOpRenderer& renderer, const BeginLayerOp& op, const BakedOpState& state) { |
Chris Craik | 6fe991e5 | 2015-10-20 09:39:42 -0700 | [diff] [blame] | 221 | LOG_ALWAYS_FATAL("unsupported operation"); |
| 222 | } |
| 223 | |
Chris Craik | 5854b34 | 2015-10-26 15:49:56 -0700 | [diff] [blame] | 224 | void BakedOpDispatcher::onEndLayerOp(BakedOpRenderer& renderer, const EndLayerOp& op, const BakedOpState& state) { |
Chris Craik | 6fe991e5 | 2015-10-20 09:39:42 -0700 | [diff] [blame] | 225 | LOG_ALWAYS_FATAL("unsupported operation"); |
| 226 | } |
| 227 | |
Chris Craik | 5854b34 | 2015-10-26 15:49:56 -0700 | [diff] [blame] | 228 | void BakedOpDispatcher::onLayerOp(BakedOpRenderer& renderer, const LayerOp& op, const BakedOpState& state) { |
| 229 | OffscreenBuffer* buffer = *op.layerHandle; |
Chris Craik | 818c9fb | 2015-10-23 14:33:42 -0700 | [diff] [blame] | 230 | |
Chris Craik | 5854b34 | 2015-10-26 15:49:56 -0700 | [diff] [blame] | 231 | // TODO: extend this to handle HW layers & paint properties which |
| 232 | // reside in node.properties().layerProperties() |
Chris Craik | 0b7e824 | 2015-10-28 16:50:44 -0700 | [diff] [blame^] | 233 | float layerAlpha = op.alpha * state.alpha; |
Chris Craik | 818c9fb | 2015-10-23 14:33:42 -0700 | [diff] [blame] | 234 | const bool tryToSnap = state.computedState.transform.isPureTranslate(); |
| 235 | Glop glop; |
Chris Craik | 5854b34 | 2015-10-26 15:49:56 -0700 | [diff] [blame] | 236 | GlopBuilder(renderer.renderState(), renderer.caches(), &glop) |
Chris Craik | 818c9fb | 2015-10-23 14:33:42 -0700 | [diff] [blame] | 237 | .setRoundRectClipState(state.roundRectClipState) |
Chris Craik | 5854b34 | 2015-10-26 15:49:56 -0700 | [diff] [blame] | 238 | .setMeshTexturedUvQuad(nullptr, buffer->texCoords) |
Chris Craik | 0b7e824 | 2015-10-28 16:50:44 -0700 | [diff] [blame^] | 239 | .setFillLayer(buffer->texture, op.colorFilter, layerAlpha, op.mode, Blend::ModeOrderSwap::NoSwap) |
Chris Craik | 818c9fb | 2015-10-23 14:33:42 -0700 | [diff] [blame] | 240 | .setTransform(state.computedState.transform, TransformFlags::None) |
| 241 | .setModelViewMapUnitToRectOptionalSnap(tryToSnap, op.unmappedBounds) |
| 242 | .build(); |
Chris Craik | 5854b34 | 2015-10-26 15:49:56 -0700 | [diff] [blame] | 243 | renderer.renderGlop(state, glop); |
Chris Craik | 818c9fb | 2015-10-23 14:33:42 -0700 | [diff] [blame] | 244 | |
Chris Craik | 0b7e824 | 2015-10-28 16:50:44 -0700 | [diff] [blame^] | 245 | if (op.destroy) { |
| 246 | BakedOpRenderer::destroyOffscreenBuffer(buffer); |
| 247 | } |
Chris Craik | 6fe991e5 | 2015-10-20 09:39:42 -0700 | [diff] [blame] | 248 | } |
Chris Craik | b565df1 | 2015-10-05 13:00:52 -0700 | [diff] [blame] | 249 | |
| 250 | } // namespace uirenderer |
| 251 | } // namespace android |