2011-12-07 19:49:20 +01:00
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/*
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2017-01-13 11:47:07 +01:00
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* Copyright (c) 2010-2017 OTClient <https://github.com/edubart/otclient>
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2011-12-07 19:49:20 +01:00
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "coordsbuffer.h"
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2012-03-22 17:07:23 +01:00
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#include "graphics.h"
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2011-12-07 19:49:20 +01:00
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2012-03-20 20:10:04 +01:00
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CoordsBuffer::CoordsBuffer()
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2011-12-07 19:49:20 +01:00
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{
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2012-03-20 20:10:04 +01:00
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m_hardwareCacheMode = HardwareBuffer::DynamicDraw;
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2012-04-19 01:03:43 +02:00
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m_hardwareVertexArray = nullptr;
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m_hardwareTextureCoordArray = nullptr;
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2012-03-20 20:10:04 +01:00
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m_hardwareCached = false;
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m_hardwareCaching = false;
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2011-12-07 19:49:20 +01:00
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}
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2012-03-20 20:10:04 +01:00
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CoordsBuffer::~CoordsBuffer()
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2011-12-07 19:49:20 +01:00
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{
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2012-04-19 01:03:43 +02:00
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if(m_hardwareVertexArray)
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delete m_hardwareVertexArray;
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if(m_hardwareTextureCoordArray)
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delete m_hardwareTextureCoordArray;
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2011-12-07 19:49:20 +01:00
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}
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void CoordsBuffer::addBoudingRect(const Rect& dest, int innerLineWidth)
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{
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int left = dest.left();
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int right = dest.right();
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int top = dest.top();
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int bottom = dest.bottom();
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int width = dest.width();
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int height = dest.height();
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int w = innerLineWidth;
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addRect(Rect(left, top, width - w, w)); // top
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addRect(Rect(right - w + 1, top, w, height - w)); // right
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addRect(Rect(left + w, bottom - w + 1, width - w, w)); // bottom
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addRect(Rect(left, top + w, w, height - w)); // left
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}
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void CoordsBuffer::addRepeatedRects(const Rect& dest, const Rect& src)
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{
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if(dest.isEmpty() || src.isEmpty())
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return;
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Rect virtualDest(0, 0, dest.size());
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for(int y = 0; y <= virtualDest.height(); y += src.height()) {
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for(int x = 0; x <= virtualDest.width(); x += src.width()) {
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Rect partialDest(x, y, src.size());
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Rect partialSrc(src);
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// partialCoords to screenCoords bottomRight
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if(partialDest.bottom() > virtualDest.bottom()) {
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partialSrc.setBottom(partialSrc.bottom() + (virtualDest.bottom() - partialDest.bottom()));
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partialDest.setBottom(virtualDest.bottom());
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}
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if(partialDest.right() > virtualDest.right()) {
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partialSrc.setRight(partialSrc.right() + (virtualDest.right() - partialDest.right()));
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partialDest.setRight(virtualDest.right());
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}
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partialDest.translate(dest.topLeft());
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2012-04-19 01:03:43 +02:00
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m_vertexArray.addRect(partialDest);
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m_textureCoordArray.addRect(partialSrc);
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2011-12-07 19:49:20 +01:00
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}
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}
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2012-03-20 20:10:04 +01:00
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m_hardwareCached = false;
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2011-12-07 19:49:20 +01:00
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}
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2012-03-20 20:10:04 +01:00
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void CoordsBuffer::enableHardwareCaching(HardwareBuffer::UsagePattern usagePattern)
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2011-12-07 19:49:20 +01:00
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{
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2012-03-22 17:07:23 +01:00
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if(!g_graphics.canUseHardwareBuffers())
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return;
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2012-03-20 20:10:04 +01:00
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m_hardwareCacheMode = usagePattern;
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m_hardwareCaching = true;
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m_hardwareCached = false;
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}
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void CoordsBuffer::updateCaches()
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{
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if(!m_hardwareCaching || m_hardwareCached)
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2011-12-07 19:49:20 +01:00
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return;
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2012-04-24 23:05:46 +02:00
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int vertexCount = m_vertexArray.vertexCount();
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// there is only performance improvement when caching a lot of vertices
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if(vertexCount < CACHE_MIN_VERTICES_COUNT)
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return;
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if(vertexCount > 0) {
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2012-04-19 01:03:43 +02:00
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if(!m_hardwareVertexArray && m_vertexArray.vertexCount() > 0)
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m_hardwareVertexArray = new HardwareBuffer(HardwareBuffer::VertexBuffer);
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m_hardwareVertexArray->bind();
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m_hardwareVertexArray->write((void*)m_vertexArray.vertices(), m_vertexArray.size() * sizeof(float), m_hardwareCacheMode);
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2012-03-20 20:10:04 +01:00
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}
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2011-12-07 19:49:20 +01:00
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2012-04-19 01:03:43 +02:00
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if(m_textureCoordArray.vertexCount() > 0) {
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if(!m_hardwareTextureCoordArray && m_textureCoordArray.vertexCount() > 0)
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m_hardwareTextureCoordArray = new HardwareBuffer(HardwareBuffer::VertexBuffer);
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m_hardwareTextureCoordArray->bind();
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m_hardwareTextureCoordArray->write((void*)m_textureCoordArray.vertices(), m_textureCoordArray.size() * sizeof(float), m_hardwareCacheMode);
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2011-12-07 19:49:20 +01:00
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}
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2012-03-20 20:10:04 +01:00
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m_hardwareCached = true;
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2011-12-07 19:49:20 +01:00
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}
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