2 * Copyright (c) 2020 Samsung Electronics Co., Ltd All Rights Reserved
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 #ifndef _TVG_SW_RENDERER_CPP_
18 #define _TVG_SW_RENDERER_CPP_
22 #include "tvgSwCommon.h"
23 #include "tvgSwRenderer.h"
26 /************************************************************************/
27 /* Internal Class Implementation */
28 /************************************************************************/
36 RenderUpdateFlag flags;
37 future<void> progress;
41 static RenderInitializer renderInit;
44 /************************************************************************/
45 /* External Class Implementation */
46 /************************************************************************/
48 SwRenderer::~SwRenderer()
50 if (progress.valid()) progress.get();
54 bool SwRenderer::clear()
56 if (progress.valid()) return false;
60 bool SwRenderer::target(uint32_t* buffer, uint32_t stride, uint32_t w, uint32_t h)
62 if (!buffer || stride == 0 || w == 0 || h == 0) return false;
64 surface.buffer = buffer;
65 surface.stride = stride;
73 bool SwRenderer::preRender()
75 //before we start rendering, we should finish all preparing tasks
76 while (prepareTasks.size() > 0) {
77 auto task = prepareTasks.front();
78 if (task->progress.valid()) task->progress.get();
80 renderTasks.push(task);
86 bool SwRenderer::postRender()
88 auto asyncTask = [](SwRenderer* renderer) {
92 progress = async(launch::async, asyncTask, this);
98 void SwRenderer::doRender()
100 rasterClear(surface);
102 while (renderTasks.size() > 0) {
103 auto task = renderTasks.front();
105 if (auto fill = task->sdata->fill()) {
106 rasterGradientShape(surface, task->shape, fill->id());
108 task->sdata->fill(&r, &g, &b, &a);
109 if (a > 0) rasterSolidShape(surface, task->shape, r, g, b, a);
111 task->sdata->strokeColor(&r, &g, &b, &a);
112 if (a > 0) rasterStroke(surface, task->shape, r, g, b, a);
118 bool SwRenderer::flush()
120 if (progress.valid()) {
128 bool SwRenderer::render(const Shape& sdata, void *data)
136 bool SwRenderer::dispose(const Shape& sdata, void *data)
138 auto task = static_cast<SwTask*>(data);
139 if (!task) return true;
140 if (task->progress.valid()) task->progress.get();
141 shapeFree(task->shape);
142 if (task->transform) free(task->transform);
148 void* SwRenderer::prepare(const Shape& sdata, void* data, const RenderTransform* transform, RenderUpdateFlag flags)
151 auto task = static_cast<SwTask*>(data);
153 task = static_cast<SwTask*>(calloc(1, sizeof(SwTask)));
154 if (!task) return nullptr;
157 if (flags == RenderUpdateFlag::None || task->progress.valid()) return task;
159 task->sdata = &sdata;
160 task->clip = {static_cast<SwCoord>(surface.w), static_cast<SwCoord>(surface.h)};
163 if (!task->transform) task->transform = static_cast<Matrix*>(malloc(sizeof(Matrix)));
164 assert(task->transform);
165 *task->transform = transform->m;
167 if (task->transform) free(task->transform);
168 task->transform = nullptr;
173 auto asyncTask = [](SwTask* task) {
175 if (task->flags & (RenderUpdateFlag::Path | RenderUpdateFlag::Transform)) {
176 shapeReset(task->shape);
178 task->sdata->fill(nullptr, nullptr, nullptr, &alpha);
179 if (alpha > 0 || task->sdata->fill()) {
180 if (!shapeGenRle(task->shape, task->sdata, task->clip, task->transform)) return;
184 if (task->flags & (RenderUpdateFlag::Gradient | RenderUpdateFlag::Transform)) {
185 auto fill = task->sdata->fill();
187 auto ctable = (task->flags & RenderUpdateFlag::Gradient) ? true : false;
188 if (ctable) shapeResetFill(task->shape);
189 if (!shapeGenFillColors(task->shape, fill, task->transform, ctable)) return;
191 shapeDelFill(task->shape);
195 if (task->flags & (RenderUpdateFlag::Stroke | RenderUpdateFlag::Transform)) {
196 if (task->sdata->strokeWidth() > FLT_EPSILON) {
197 shapeResetStroke(task->shape, task->sdata);
199 task->sdata->strokeColor(nullptr, nullptr, nullptr, &alpha);
201 if (!shapeGenStrokeRle(task->shape, task->sdata, task->clip)) return;
204 shapeDelStroke(task->shape);
207 shapeDelOutline(task->shape);
210 prepareTasks.push(task);
211 task->progress = async((launch::async | launch::deferred), asyncTask, task);
217 int SwRenderer::init()
219 return RenderInitializer::init(renderInit, new SwRenderer);
223 int SwRenderer::term()
225 return RenderInitializer::term(renderInit);
229 uint32_t SwRenderer::unref()
231 return RenderInitializer::unref(renderInit);
235 uint32_t SwRenderer::ref()
237 return RenderInitializer::ref(renderInit);
241 SwRenderer* SwRenderer::inst()
243 //We know renderer type, avoid dynamic_cast for performance.
244 return static_cast<SwRenderer*>(RenderInitializer::inst(renderInit));
247 #endif /* _TVG_SW_RENDERER_CPP_ */