mirror of https://github.com/axmolengine/axmol.git
119 lines
4.2 KiB
C++
119 lines
4.2 KiB
C++
/****************************************************************************
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Copyright (c) 2013-2014 Chukong Technologies Inc.
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http://www.cocos2d-x.org
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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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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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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 "renderer/CCQuadCommand.h"
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#include "renderer/ccGLStateCache.h"
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#include "renderer/CCGLProgram.h"
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#include "renderer/CCMaterial.h"
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#include "renderer/CCTechnique.h"
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#include "renderer/CCRenderer.h"
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#include "renderer/CCPass.h"
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#include "renderer/CCTexture2D.h"
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#include "xxhash.h"
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NS_CC_BEGIN
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int QuadCommand::__indexCapacity = -1;
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GLushort* QuadCommand::__indices = nullptr;
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QuadCommand::QuadCommand():
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_indexSize(-1),
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_ownedIndices()
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{
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}
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QuadCommand::~QuadCommand()
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{
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for (auto& indices : _ownedIndices)
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{
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CC_SAFE_DELETE_ARRAY(indices);
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}
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}
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void QuadCommand::init(float globalOrder, GLuint textureID, GLProgramState* glProgramState, const BlendFunc& blendType, V3F_C4B_T2F_Quad* quads, ssize_t quadCount,
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const Mat4& mv, uint32_t flags)
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{
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CCASSERT(glProgramState, "Invalid GLProgramState");
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CCASSERT(glProgramState->getVertexAttribsFlags() == 0, "No custom attributes are supported in QuadCommand");
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if (quadCount * 6 > _indexSize)
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reIndex((int)quadCount*6);
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Triangles triangles;
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triangles.verts = &quads->tl;
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triangles.vertCount = (int)quadCount * 4;
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triangles.indices = __indices;
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triangles.indexCount = (int)quadCount * 6;
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TrianglesCommand::init(globalOrder, textureID, glProgramState, blendType, triangles, mv, flags);
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}
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void QuadCommand::reIndex(int indicesCount)
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{
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// first time init: create a decent buffer size for indices to prevent too much resizing
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if (__indexCapacity == -1)
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{
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indicesCount = std::max(indicesCount, 2048);
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}
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if (indicesCount > __indexCapacity)
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{
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// if resizing is needed, get needed size plus 25%, but not bigger that max size
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indicesCount *= 1.25;
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indicesCount = std::min(indicesCount, 65536);
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CCLOG("cocos2d: QuadCommand: resizing index size from [%d] to [%d]", __indexCapacity, indicesCount);
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_ownedIndices.push_back(__indices);
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__indices = new (std::nothrow) GLushort[indicesCount];
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__indexCapacity = indicesCount;
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}
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for( int i=0; i < __indexCapacity/6; i++)
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{
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__indices[i*6+0] = (GLushort) (i*4+0);
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__indices[i*6+1] = (GLushort) (i*4+1);
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__indices[i*6+2] = (GLushort) (i*4+2);
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__indices[i*6+3] = (GLushort) (i*4+3);
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__indices[i*6+4] = (GLushort) (i*4+2);
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__indices[i*6+5] = (GLushort) (i*4+1);
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}
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_indexSize = indicesCount;
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}
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void QuadCommand::init(float globalOrder, GLuint textureID, GLProgramState* shader, const BlendFunc& blendType, V3F_C4B_T2F_Quad* quads, ssize_t quadCount, const Mat4 &mv)
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{
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init(globalOrder, textureID, shader, blendType, quads, quadCount, mv, 0);
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}
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void QuadCommand::init(float globalOrder, Texture2D* texture, GLProgramState* glProgramState, const BlendFunc& blendType, V3F_C4B_T2F_Quad* quads, ssize_t quadCount,
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const Mat4& mv, uint32_t flags)
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{
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init(globalOrder, texture->getName(), glProgramState, blendType, quads, quadCount, mv, flags);
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_alphaTextureID = texture->getAlphaTextureName();
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}
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NS_CC_END |