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662a9e99f5
- remove cocos2dx folder - change all include paths in cocos2d to be relative
161 lines
5.2 KiB
C++
Vendored
161 lines
5.2 KiB
C++
Vendored
/****************************************************************************
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Copyright (c) 2010-2012 cocos2d-x.org
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Copyright (c) 2011 Ricardo Quesada
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Copyright (c) 2011 Zynga 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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#ifndef __CCGLSTATE_H__
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#define __CCGLSTATE_H__
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#include "../platform/CCGL.h"
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#include "../platform/CCPlatformMacros.h"
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NS_CC_BEGIN
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/**
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* @addtogroup shaders
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* @{
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*/
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class CCGLProgram;
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/** vertex attrib flags */
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enum {
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kCCVertexAttribFlag_None = 0,
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kCCVertexAttribFlag_Position = 1 << 0,
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kCCVertexAttribFlag_Color = 1 << 1,
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kCCVertexAttribFlag_TexCoords = 1 << 2,
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kCCVertexAttribFlag_PosColorTex = ( kCCVertexAttribFlag_Position | kCCVertexAttribFlag_Color | kCCVertexAttribFlag_TexCoords ),
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};
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/** GL server side states */
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typedef enum {
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// CC_GL_SCISSOR_TEST = 1 << 0,
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// CC_GL_STENCIL_TEST = 1 << 1,
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// CC_GL_DEPTH_TEST = 1 << 2,
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// CC_GL_BLEND = 1 << 3,
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// CC_GL_DITHER = 1 << 4,
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// CC_GL_ALL = ( CC_GL_SCISSOR_TEST | CC_GL_STENCIL_TEST | CC_GL_DEPTH_TEST | CC_GL_BLEND | CC_GL_DITHER ),
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// CC_GL_ALL = ( CC_GL_BLEND ),
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CC_GL_ALL = 0,
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} ccGLServerState;
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/** @file ccGLStateCache.h
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*/
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/** Invalidates the GL state cache.
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If CC_ENABLE_GL_STATE_CACHE it will reset the GL state cache.
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@since v2.0.0
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*/
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void CC_DLL ccGLInvalidateStateCache(void);
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/** Uses the GL program in case program is different than the current one.
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If CC_ENABLE_GL_STATE_CACHE is disabled, it will the glUseProgram() directly.
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@since v2.0.0
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*/
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void CC_DLL ccGLUseProgram(GLuint program);
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/** Deletes the GL program. If it is the one that is being used, it invalidates it.
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If CC_ENABLE_GL_STATE_CACHE is disabled, it will the glDeleteProgram() directly.
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@since v2.0.0
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*/
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void CC_DLL ccGLDeleteProgram(GLuint program);
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/** Uses a blending function in case it not already used.
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If CC_ENABLE_GL_STATE_CACHE is disabled, it will the glBlendFunc() directly.
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@since v2.0.0
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*/
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void CC_DLL ccGLBlendFunc(GLenum sfactor, GLenum dfactor);
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/** Resets the blending mode back to the cached state in case you used glBlendFuncSeparate() or glBlendEquation().
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If CC_ENABLE_GL_STATE_CACHE is disabled, it will just set the default blending mode using GL_FUNC_ADD.
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@since v2.0.0
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*/
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void CC_DLL ccGLBlendResetToCache(void);
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/** sets the projection matrix as dirty
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@since v2.0.0
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*/
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void CC_DLL ccSetProjectionMatrixDirty(void);
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/** Will enable the vertex attribs that are passed as flags.
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Possible flags:
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* kCCVertexAttribFlag_Position
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* kCCVertexAttribFlag_Color
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* kCCVertexAttribFlag_TexCoords
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These flags can be ORed. The flags that are not present, will be disabled.
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@since v2.0.0
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*/
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void CC_DLL ccGLEnableVertexAttribs(unsigned int flags);
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/** If the texture is not already bound to texture unit 0, it binds it.
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If CC_ENABLE_GL_STATE_CACHE is disabled, it will call glBindTexture() directly.
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@since v2.0.0
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*/
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void CC_DLL ccGLBindTexture2D(GLuint textureId);
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/** If the texture is not already bound to a given unit, it binds it.
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If CC_ENABLE_GL_STATE_CACHE is disabled, it will call glBindTexture() directly.
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@since v2.1.0
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*/
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void CC_DLL ccGLBindTexture2DN(GLuint textureUnit, GLuint textureId);
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/** It will delete a given texture. If the texture was bound, it will invalidate the cached.
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If CC_ENABLE_GL_STATE_CACHE is disabled, it will call glDeleteTextures() directly.
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@since v2.0.0
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*/
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void CC_DLL ccGLDeleteTexture(GLuint textureId);
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/** It will delete a given texture. If the texture was bound, it will invalidate the cached for the given texture unit.
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If CC_ENABLE_GL_STATE_CACHE is disabled, it will call glDeleteTextures() directly.
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@since v2.1.0
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*/
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void CC_DLL ccGLDeleteTextureN(GLuint textureUnit, GLuint textureId);
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/** If the vertex array is not already bound, it binds it.
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If CC_ENABLE_GL_STATE_CACHE is disabled, it will call glBindVertexArray() directly.
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@since v2.0.0
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*/
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void CC_DLL ccGLBindVAO(GLuint vaoId);
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/** It will enable / disable the server side GL states.
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If CC_ENABLE_GL_STATE_CACHE is disabled, it will call glEnable() directly.
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@since v2.0.0
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*/
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void CC_DLL ccGLEnable( ccGLServerState flags );
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// end of shaders group
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/// @}
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NS_CC_END
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#endif /* __CCGLSTATE_H__ */
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