2013-12-18 10:12:15 +08:00
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/****************************************************************************
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2014-01-07 11:25:07 +08:00
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Copyright (c) 2013-2014 Chukong Technologies Inc.
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2013-12-18 10:12:15 +08:00
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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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2013-11-05 01:14:22 +08:00
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2013-11-12 03:54:08 +08:00
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#ifndef __CC_RENDERER_H_
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#define __CC_RENDERER_H_
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2013-11-05 01:14:22 +08:00
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2014-05-17 05:36:00 +08:00
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#include <vector>
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#include <stack>
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2014-04-27 01:11:22 +08:00
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#include "base/CCPlatformMacros.h"
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2014-05-17 05:36:00 +08:00
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#include "renderer/CCRenderCommand.h"
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2014-05-09 09:01:48 +08:00
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#include "renderer/CCGLProgram.h"
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2013-11-09 04:06:39 +08:00
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#include "CCGL.h"
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2013-11-08 07:48:37 +08:00
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2013-11-05 01:14:22 +08:00
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NS_CC_BEGIN
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2013-12-31 10:54:37 +08:00
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class EventListenerCustom;
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class QuadCommand;
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class MeshCommand;
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2014-03-07 08:14:06 +08:00
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/** Class that knows how to sort `RenderCommand` objects.
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Since the commands that have `z == 0` are "pushed back" in
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the correct order, the only `RenderCommand` objects that need to be sorted,
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are the ones that have `z < 0` and `z > 0`.
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2014-01-18 15:10:04 +08:00
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*/
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class RenderQueue {
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public:
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void push_back(RenderCommand* command);
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ssize_t size() const;
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void sort();
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RenderCommand* operator[](ssize_t index) const;
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void clear();
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protected:
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std::vector<RenderCommand*> _queueNegZ;
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std::vector<RenderCommand*> _queue0;
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std::vector<RenderCommand*> _queuePosZ;
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};
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2013-11-14 09:31:12 +08:00
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2014-08-27 17:53:46 +08:00
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//render queue for transparency object
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class TransparentRenderQueue {
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public:
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void push_back(RenderCommand* command);
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ssize_t size() const;
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void sort();
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RenderCommand* operator[](ssize_t index) const;
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void clear();
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protected:
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std::vector<RenderCommand*> _queueCmd;
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};
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2013-11-14 09:31:12 +08:00
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struct RenderStackElement
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{
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int renderQueueID;
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ssize_t currentIndex;
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};
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2014-04-12 13:01:42 +08:00
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class GroupCommandManager;
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2014-03-07 08:14:06 +08:00
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/* Class responsible for the rendering in.
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Whenever possible prefer to use `QuadCommand` objects since the renderer will automatically batch them.
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2014-02-08 11:37:44 +08:00
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*/
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class CC_DLL Renderer
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{
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public:
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static const int VBO_SIZE = 65536 / 6;
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static const int BATCH_QUADCOMMAND_RESEVER_SIZE = 64;
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Renderer();
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~Renderer();
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2013-11-22 08:36:19 +08:00
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//TODO manage GLView inside Render itself
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void initGLView();
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2014-04-04 12:48:16 +08:00
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2014-03-07 08:14:06 +08:00
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/** Adds a `RenderComamnd` into the renderer */
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void addCommand(RenderCommand* command);
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/** Adds a `RenderComamnd` into the renderer specifying a particular render queue ID */
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void addCommand(RenderCommand* command, int renderQueue);
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/** add transprent command */
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void addTransparentCommand(RenderCommand* command);
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/** Pushes a group into the render queue */
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2013-11-21 03:05:01 +08:00
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void pushGroup(int renderQueueID);
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/** Pops a group from the render queue */
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void popGroup();
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/** Creates a render queue and returns its Id */
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2013-11-16 03:29:11 +08:00
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int createRenderQueue();
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/** Renders into the GLView all the queued `RenderCommand` objects */
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void render();
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2014-04-04 12:48:16 +08:00
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/** Cleans all `RenderCommand`s in the queue */
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void clean();
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2014-02-08 11:37:44 +08:00
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/* returns the number of drawn batches in the last frame */
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ssize_t getDrawnBatches() const { return _drawnBatches; }
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/* RenderCommands (except) QuadCommand should update this value */
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void addDrawnBatches(ssize_t number) { _drawnBatches += number; };
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/* returns the number of drawn triangles in the last frame */
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ssize_t getDrawnVertices() const { return _drawnVertices; }
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/* RenderCommands (except) QuadCommand should update this value */
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void addDrawnVertices(ssize_t number) { _drawnVertices += number; };
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2014-04-12 13:01:42 +08:00
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inline GroupCommandManager* getGroupCommandManager() const { return _groupCommandManager; };
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2014-04-15 07:46:19 +08:00
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/** returns whether or not a rectangle is visible or not */
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2014-05-15 01:07:09 +08:00
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bool checkVisibility(const Mat4& transform, const Size& size);
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2013-11-05 01:14:22 +08:00
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protected:
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2013-11-08 08:50:53 +08:00
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void setupIndices();
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2013-12-05 09:02:02 +08:00
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//Setup VBO or VAO based on OpenGL extensions
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void setupBuffer();
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void setupVBOAndVAO();
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2013-12-05 09:02:02 +08:00
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void setupVBO();
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void mapBuffers();
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2013-11-22 08:36:19 +08:00
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void drawBatchedQuads();
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2014-01-16 06:35:26 +08:00
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2013-11-09 04:06:39 +08:00
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//Draw the previews queued quads and flush previous context
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void flush();
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2014-04-07 22:51:32 +08:00
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2014-06-23 23:58:45 +08:00
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void flush2D();
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2014-06-23 19:08:26 +08:00
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void flush3D();
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2014-04-07 22:51:32 +08:00
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void visitRenderQueue(const RenderQueue& queue);
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2013-11-09 04:06:39 +08:00
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2014-05-15 01:07:09 +08:00
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void convertToWorldCoordinates(V3F_C4B_T2F_Quad* quads, ssize_t quantity, const Mat4& modelView);
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2014-01-16 06:35:26 +08:00
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2013-12-17 15:32:24 +08:00
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std::stack<int> _commandGroupStack;
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2013-11-21 03:05:01 +08:00
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2013-12-17 15:32:24 +08:00
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std::vector<RenderQueue> _renderGroups;
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2014-08-27 17:53:46 +08:00
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TransparentRenderQueue _transparentRenderGroups; //transparency objects
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2013-11-14 09:31:12 +08:00
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2014-03-31 13:47:07 +08:00
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uint32_t _lastMaterialID;
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2013-11-08 08:50:53 +08:00
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2014-06-23 23:58:45 +08:00
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MeshCommand* _lastBatchedMeshCommand;
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2014-01-22 15:18:27 +08:00
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std::vector<QuadCommand*> _batchedQuadCommands;
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2013-12-19 05:52:10 +08:00
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V3F_C4B_T2F_Quad _quads[VBO_SIZE];
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GLushort _indices[6 * VBO_SIZE];
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2013-11-23 02:24:52 +08:00
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GLuint _quadVAO;
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2013-11-08 08:50:53 +08:00
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GLuint _buffersVBO[2]; //0: vertex 1: indices
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2013-11-08 07:48:37 +08:00
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int _numQuads;
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2013-11-22 08:36:19 +08:00
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bool _glViewAssigned;
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2014-02-08 11:37:44 +08:00
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// stats
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ssize_t _drawnBatches;
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ssize_t _drawnVertices;
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2014-04-11 17:31:35 +08:00
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//the flag for checking whether renderer is rendering
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2014-04-11 16:05:22 +08:00
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bool _isRendering;
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2014-04-12 13:01:42 +08:00
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GroupCommandManager* _groupCommandManager;
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2013-12-31 10:54:37 +08:00
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#if CC_ENABLE_CACHE_TEXTURE_DATA
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EventListenerCustom* _cacheTextureListener;
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#endif
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2013-11-05 01:14:22 +08:00
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};
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NS_CC_END
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2013-11-12 03:54:08 +08:00
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#endif //__CC_RENDERER_H_
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