mirror of https://github.com/axmolengine/axmol.git
126 lines
4.4 KiB
C++
126 lines
4.4 KiB
C++
/****************************************************************************
|
|
Copyright (c) 2013-2017 Chukong Technologies Inc.
|
|
|
|
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/ccGLStateCache.h"
|
|
#include "renderer/CCGLProgram.h"
|
|
#include "renderer/CCGLProgramState.h"
|
|
#include "xxhash.h"
|
|
#include "renderer/CCRenderer.h"
|
|
#include "renderer/CCTexture2D.h"
|
|
|
|
NS_CC_BEGIN
|
|
|
|
TrianglesCommand::TrianglesCommand()
|
|
:_materialID(0)
|
|
,_textureID(0)
|
|
,_glProgramState(nullptr)
|
|
,_blendType(BlendFunc::DISABLE)
|
|
,_alphaTextureID(0)
|
|
{
|
|
_type = RenderCommand::Type::TRIANGLES_COMMAND;
|
|
}
|
|
|
|
void TrianglesCommand::init(float globalOrder, GLuint textureID, GLProgramState* glProgramState, BlendFunc blendType, const Triangles& triangles,const Mat4& mv, uint32_t flags)
|
|
{
|
|
CCASSERT(glProgramState, "Invalid GLProgramState");
|
|
CCASSERT(glProgramState->getVertexAttribsFlags() == 0, "No custom attributes are supported in QuadCommand");
|
|
|
|
RenderCommand::init(globalOrder, mv, flags);
|
|
|
|
_triangles = triangles;
|
|
if(_triangles.indexCount % 3 != 0)
|
|
{
|
|
int count = _triangles.indexCount;
|
|
_triangles.indexCount = count / 3 * 3;
|
|
CCLOGERROR("Resize indexCount from %zd to %zd, size must be multiple times of 3", count, _triangles.indexCount);
|
|
}
|
|
_mv = mv;
|
|
|
|
if( _textureID != textureID || _blendType.src != blendType.src || _blendType.dst != blendType.dst ||
|
|
_glProgramState != glProgramState)
|
|
{
|
|
_textureID = textureID;
|
|
_blendType = blendType;
|
|
_glProgramState = glProgramState;
|
|
|
|
generateMaterialID();
|
|
}
|
|
}
|
|
|
|
void TrianglesCommand::init(float globalOrder, GLuint textureID, GLProgramState* glProgramState, BlendFunc blendType, const Triangles& triangles,const Mat4& mv)
|
|
{
|
|
init(globalOrder, textureID, glProgramState, blendType, triangles, mv, 0);
|
|
}
|
|
|
|
void TrianglesCommand::init(float globalOrder, Texture2D* texture, GLProgramState* glProgramState, BlendFunc blendType, const Triangles& triangles, const Mat4& mv, uint32_t flags)
|
|
{
|
|
init(globalOrder, texture->getName(), glProgramState, blendType, triangles, mv, flags);
|
|
_alphaTextureID = texture->getAlphaTextureName();
|
|
}
|
|
|
|
TrianglesCommand::~TrianglesCommand()
|
|
{
|
|
}
|
|
|
|
void TrianglesCommand::generateMaterialID()
|
|
{
|
|
// glProgramState is hashed because it contains:
|
|
// * uniforms/values
|
|
// * glProgram
|
|
//
|
|
// we safely can when the same glProgramState is being used then they share those states
|
|
// if they don't have the same glProgramState, they might still have the same
|
|
// uniforms/values and glProgram, but it would be too expensive to check the uniforms.
|
|
struct {
|
|
GLuint textureId;
|
|
GLenum blendSrc;
|
|
GLenum blendDst;
|
|
void* glProgramState;
|
|
} hashMe;
|
|
|
|
hashMe.textureId = _textureID;
|
|
hashMe.blendSrc = _blendType.src;
|
|
hashMe.blendDst = _blendType.dst;
|
|
hashMe.glProgramState = _glProgramState;
|
|
_materialID = XXH32((const void*)&hashMe, sizeof(hashMe), 0);
|
|
}
|
|
|
|
void TrianglesCommand::useMaterial() const
|
|
{
|
|
//Set texture
|
|
GL::bindTexture2D(_textureID);
|
|
|
|
if (_alphaTextureID > 0)
|
|
{ // ANDROID ETC1 ALPHA supports.
|
|
GL::bindTexture2DN(1, _alphaTextureID);
|
|
}
|
|
//set blend mode
|
|
GL::blendFunc(_blendType.src, _blendType.dst);
|
|
|
|
_glProgramState->apply(_mv);
|
|
}
|
|
|
|
NS_CC_END
|