init: fbird

2026-09-10 06:20:29 +00:00 · 2020-08-24 23:16:53 +07:00
parent 103ece4073
commit 3b63c10b2c
3440 changed files with 1221398 additions and 0 deletions
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+/****************************************************************************
+ 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/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 %d to %d, 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 {
+        void* glProgramState;
+        GLuint textureId;
+        GLenum blendSrc;
+        GLenum blendDst;
+    } 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.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