mirror of https://github.com/axmolengine/axmol.git
100 lines
3.6 KiB
C++
100 lines
3.6 KiB
C++
/****************************************************************************
|
|
Copyright (c) 2013-2016 Chukong Technologies Inc.
|
|
Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
|
|
|
|
http://www.cocos2d-x.org
|
|
|
|
Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
of this software and associated documentation files (the "Software"), to deal
|
|
in the Software without restriction, including without limitation the rights
|
|
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
copies of the Software, and to permit persons to whom the Software is
|
|
furnished to do so, subject to the following conditions:
|
|
|
|
The above copyright notice and this permission notice shall be included in
|
|
all copies or substantial portions of the Software.
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
THE SOFTWARE.
|
|
****************************************************************************/
|
|
|
|
#include "renderer/CCTrianglesCommand.h"
|
|
#include "renderer/CCGLProgram.h"
|
|
#include "renderer/CCGLProgramState.h"
|
|
#include "xxhash.h"
|
|
#include "renderer/CCRenderer.h"
|
|
#include "renderer/CCTexture2D.h"
|
|
#include "base//ccUtils.h"
|
|
#include "renderer/backend/opengl/TextureGL.h"
|
|
|
|
NS_CC_BEGIN
|
|
|
|
TrianglesCommand::TrianglesCommand()
|
|
{
|
|
_type = RenderCommand::Type::TRIANGLES_COMMAND;
|
|
}
|
|
|
|
void TrianglesCommand::init(float globalOrder, Texture2D* texture, const BlendFunc& blendType, const Triangles& triangles, const Mat4& mv, uint32_t flags)
|
|
{
|
|
RenderCommand::init(globalOrder, mv, flags);
|
|
|
|
_triangles = triangles;
|
|
if(_triangles.indexCount % 3 != 0)
|
|
{
|
|
unsigned int count = _triangles.indexCount;
|
|
_triangles.indexCount = count / 3 * 3;
|
|
CCLOGERROR("Resize indexCount from %d to %d, size must be multiple times of 3", count, _triangles.indexCount);
|
|
}
|
|
_mv = mv;
|
|
|
|
if (_program != _pipelineDescriptor.programState->getProgram() ||
|
|
_texture != texture->getBackendTexture() ||
|
|
_blendType != blendType)
|
|
{
|
|
_program = _pipelineDescriptor.programState->getProgram();
|
|
_texture = texture->getBackendTexture();
|
|
|
|
_blendType = blendType;
|
|
//TODO: minggo set it in Node?
|
|
auto& blendDescriptor = _pipelineDescriptor.blendDescriptor;
|
|
blendDescriptor.blendEnabled = true;
|
|
blendDescriptor.sourceRGBBlendFactor = blendDescriptor.sourceAlphaBlendFactor = blendType.src;
|
|
blendDescriptor.destinationRGBBlendFactor = blendDescriptor.destinationAlphaBlendFactor = blendType.dst;
|
|
|
|
generateMaterialID();
|
|
}
|
|
}
|
|
|
|
TrianglesCommand::~TrianglesCommand()
|
|
{
|
|
}
|
|
|
|
void TrianglesCommand::generateMaterialID()
|
|
{
|
|
struct
|
|
{
|
|
void* texture;
|
|
void* program;
|
|
backend::BlendFactor src;
|
|
backend::BlendFactor dst;
|
|
}hashMe;
|
|
|
|
// NOTE: Initialize hashMe struct to make the value of padding bytes be filled with zero.
|
|
// It's important since XXH32 below will also consider the padding bytes which probably
|
|
// are set to random values by different compilers.
|
|
memset(&hashMe, 0, sizeof(hashMe));
|
|
|
|
hashMe.texture = _texture;
|
|
hashMe.src = _blendType.src;
|
|
hashMe.dst = _blendType.dst;
|
|
hashMe.program = _program;
|
|
_materialID = XXH32((const void*)&hashMe, sizeof(hashMe), 0);
|
|
}
|
|
|
|
NS_CC_END
|