issue #1056: Rename ccGLState to ccGLStateCache, add some ccShader_***_.h, update CCGLProgram class.

cocos2dx/CCDirector.cpp

@@ -49,7 +49,7 @@ THE SOFTWARE.
 #include "CCTouch.h"
 #include "CCUserDefault.h"
 #include "extensions/CCNotificationCenter.h"
-#include "ccGLState.h"
+#include "ccGLStateCache.h"
 #include "CCShaderCache.h"
 #include "kazmath/kazmath.h"
 #include "kazmath/GL/matrix.h"

cocos2dx/CCDrawingPrimitives.cpp

@@ -29,7 +29,7 @@ THE SOFTWARE.
 #include "ccMacros.h"
 #include "CCGL.h"
 #include "CCDirector.h"
-#include "ccGLState.h"
+#include "ccGLStateCache.h"
 #include "CCShaderCache.h"
 #include "CCGLProgram.h"
 #include <string.h>

cocos2dx/base_nodes/CCAtlasNode.cpp

@@ -29,7 +29,7 @@ THE SOFTWARE.
 #include "CCDirector.h"
 #include "CCGLProgram.h"
 #include "CCShaderCache.h"
-#include "ccGLState.h"
+#include "ccGLStateCache.h"
 #include "CCDirector.h"
 #include "support/TransformUtils.h"
 

cocos2dx/effects/CCGrid.cpp

@@ -29,7 +29,7 @@ THE SOFTWARE.
 #include "support/ccUtils.h"
 #include "CCGLProgram.h"
 #include "CCShaderCache.h"
-#include "ccGLState.h"
+#include "ccGLStateCache.h"
 #include "CCGL.h"
 #include "CCPointExtension.h"
 #include "support/TransformUtils.h"

cocos2dx/gles2/CCGLProgram.cpp

@@ -1,39 +1,56 @@
-//
+/****************************************************************************
-// Copyright 2011 Jeff Lamarche
+Copyright 2012 cocos2d-x.org
-//
+Copyright 2011 Jeff Lamarche
-// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+Copyright 2012 Goffredo Marocchi
-// that the following conditions are met:
+Copyright 2012 Ricardo Quesada
-//	1. Redistributions of source code must retain the above copyright notice, this list of conditions and
+
-//		the following disclaimer.
+http://www.cocos2d-x.org
-//
+ 
-//	2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions
+Permission is hereby granted, free of charge, to any person obtaining a copy
-//		and the following disclaimer in the documentation and/or other materials provided with the
+of this software and associated documentation files (the "Software"), to deal
-//		distribution.
+in the Software without restriction, including without limitation the rights
-//
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-//	THIS SOFTWARE IS PROVIDED BY THE FREEBSD PROJECT ``AS IS'' AND ANY EXPRESS OR IMPLIED
+copies of the Software, and to permit persons to whom the Software is
-//	WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+furnished to do so, subject to the following conditions:
-//	FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FREEBSD PROJECT
+
-//	OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+The above copyright notice and this permission notice shall be included in
-//	CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+all copies or substantial portions of the Software.
-//	OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+
-//	AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-//	NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-//	ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN false EVENT SHALL THE
-//
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// Adapted for cocos2d http://www.cocos2d-iphone.org
+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 "CCGLProgram.h"
-#include "ccGLState.h"
+#include "ccGLStateCache.h"
 #include "ccMacros.h"
 #include "CCFileUtils.h"
+#include "support/data_support/uthash.h"
 #include "CCString.h"
+// extern
+#include "kazmath/GL/matrix.h"
+#include "kazmath/kazmath.h"
 
 NS_CC_BEGIN
 
+typedef struct _hashUniformEntry
+{
+	GLvoid*			value;		// value
+	unsigned int	location;	// Key
+	UT_hash_handle  hh;			// hash entry
+} tHashUniformEntry;
 
 CCGLProgram::CCGLProgram()
+: program_(0)
+, vertShader_(0)
+, fragShader_(0)
+, hashForUniforms_(NULL)
 {
-
+	memset(uniforms_, 0, sizeof(uniforms_));
 }
 
 CCGLProgram::~CCGLProgram()
@@ -44,42 +61,61 @@ CCGLProgram::~CCGLProgram()
 	CCAssert( vertShader_ == 0, "Vertex Shaders should have been already deleted");
 	CCAssert( fragShader_ == 0, "Vertex Shaders should have been already deleted");
 
-	if (program_)
+	if (program_) 
+	{
 		ccGLDeleteProgram(program_);
+	}
 
+	tHashUniformEntry *current_element, *tmp;
+
+	// Purge uniform hash
+	HASH_ITER(hh, hashForUniforms_, current_element, tmp) {
+		HASH_DEL(hashForUniforms_, current_element);
+		free(current_element->value);
+		free(current_element);
+	}
+}
+
+bool CCGLProgram::initWithVertexShaderByteArray(const GLchar* vShaderByteArray, const GLchar* fShaderByteArray)
+{
+	program_ = glCreateProgram();
+
+	vertShader_ = fragShader_ = 0;
+
+	if( vShaderByteArray ) {
+
+		if (!compileShader(&vertShader_, GL_VERTEX_SHADER, vShaderByteArray)) {
+			CCLOG("cocos2d: ERROR: Failed to compile vertex shader");
+		}
+
+	}
+
+	// Create and compile fragment shader
+	if( fShaderByteArray ) {
+
+		if (!compileShader(&fragShader_, GL_FRAGMENT_SHADER, fShaderByteArray)) {
+			CCLOG("cocos2d: ERROR: Failed to compile fragment shader");
+		}
+	}
+
+	if( vertShader_ ) {
+		glAttachShader(program_, vertShader_);
+	}
+
+	if( fragShader_ ) {
+		glAttachShader(program_, fragShader_);
+	}
+	hashForUniforms_ = NULL;
+
+	return true;
 }
 
 bool CCGLProgram::initWithVertexShaderFilename(const char* vShaderFilename, const char* fShaderFilename)
 {
-    program_ = glCreateProgram();
+	const GLchar * vertexSource = (GLchar*) CCString::stringWithContentsOfFile(CCFileUtils::fullPathFromRelativePath(vShaderFilename));
-
+	const GLchar * fragmentSource = (GLchar*) CCString::stringWithContentsOfFile(CCFileUtils::fullPathFromRelativePath(fShaderFilename));
-	vertShader_ = fragShader_ = 0;
+
-
+	return initWithVertexShaderByteArray(vertexSource, fragmentSource);
-	if( vShaderFilename ) {
-		const char *fullname = CCFileUtils::fullPathFromRelativePath(vShaderFilename);
-
-		if (!compileShader(&vertShader_, GL_VERTEX_SHADER, fullname)) {
-			CCLOG("cocos2d: ERROR: Failed to compile vertex shader: %s", vShaderFilename);
-		}
-
-	}
-
-    // Create and compile fragment shader
-	if( fShaderFilename ) {
-		const char *fullname = CCFileUtils::fullPathFromRelativePath(fShaderFilename);
-
-		if (!compileShader(&fragShader_, GL_FRAGMENT_SHADER, fullname)) {
-			CCLOG("cocos2d: ERROR: Failed to compile fragment shader: %s", fShaderFilename);
-		}
-	}
-
-	if( vertShader_ )
-		glAttachShader(program_, vertShader_);
-
-	if( fragShader_ )
-		glAttachShader(program_, fragShader_);
-
-    return true;
 }
 
 const char* CCGLProgram::description()
@@ -89,12 +125,10 @@ const char* CCGLProgram::description()
 	return strDescription;
 }
 
-bool CCGLProgram::compileShader(GLuint * shader, GLenum type, const char* file)
+bool CCGLProgram::compileShader(GLuint * shader, GLenum type, const GLchar* source)
 {
     GLint status;
-    const GLchar *source;
+ 
-
-    source = (GLchar *)CCString::stringWithContentsOfFile(file);
     if (!source)
         return false;
 
@@ -106,12 +140,12 @@ bool CCGLProgram::compileShader(GLuint * shader, GLenum type, const char* file)
 
 	if( ! status ) {
 		if( type == GL_VERTEX_SHADER )
-			CCLOG("cocos2d: %s: %s", file, vertexShaderLog() );
+			CCLOG("cocos2d: %s", vertexShaderLog() );
 		else
-			CCLOG("cocos2d: %s: %s", file, fragmentShaderLog() );
+			CCLOG("cocos2d: %s", fragmentShaderLog() );
 
 	}
-    return status == GL_TRUE;
+    return ( status == GL_TRUE );
 }
 
 void CCGLProgram::addAttribute(const char* attributeName, GLuint index)
@@ -129,8 +163,8 @@ void CCGLProgram::updateUniforms()
 
 	uniforms_[kCCUniformSampler] = glGetUniformLocation(program_, kCCUniformSampler_s);
 
-	ccGLUseProgram( program_ );
+	this->use();
-	glUniform1i( uniforms_[kCCUniformSampler], 0 );
+	this->setUniformLocationWith1i( uniforms_[kCCUniformSampler], 0 );
 }
 
 bool CCGLProgram::link()
@@ -189,7 +223,7 @@ const char* CCGLProgram::logForOpenGLObject(GLuint object, GLInfoFunction infoFu
 
 const char* CCGLProgram::vertexShaderLog()
 {
-    return this->logForOpenGLObject(vertShader_, (GLInfoFunction)&glGetProgramiv, (GLLogFunction)&glGetProgramInfoLog);
+    return this->logForOpenGLObject(vertShader_, (GLInfoFunction)&glGetShaderiv, (GLLogFunction)&glGetShaderInfoLog);
 }
 
 const char* CCGLProgram::fragmentShaderLog()
@@ -202,5 +236,126 @@ const char* CCGLProgram::programLog()
     return this->logForOpenGLObject(program_, (GLInfoFunction)&glGetProgramiv, (GLLogFunction)&glGetProgramInfoLog);
 }
 
+// Uniform cache
+
+bool CCGLProgram::updateUniformLocation(unsigned int location, GLvoid* data, unsigned int bytes)
+{
+	bool updated = true;
+	tHashUniformEntry *element = NULL;
+	HASH_FIND_INT(hashForUniforms_, &location, element);
+
+	if( ! element ) {
+
+		element = (tHashUniformEntry*)malloc( sizeof(*element) );
+
+		// key
+		element->location = location;
+
+		// value
+		element->value = malloc( bytes );
+		memcpy(element->value, data, bytes );
+
+		HASH_ADD_INT(hashForUniforms_, location, element);
+	}
+	else
+	{
+		if( memcmp( element->value, data, bytes) == 0 )
+			updated = false;
+		else
+			memcpy( element->value, data, bytes );
+	}
+
+	return updated;
+}
+
+void CCGLProgram::setUniformLocationWith1i(unsigned int location, GLint i1)
+{
+	bool updated =  updateUniformLocation(location, &i1, sizeof(i1)*1);
+
+	if( updated )
+		glUniform1i( (GLint)location, i1);
+}
+
+void CCGLProgram::setUniformLocationWith1f(unsigned int location, GLfloat f1)
+{
+	bool updated =  updateUniformLocation(location, &f1, sizeof(f1)*1);
+
+	if( updated )
+		glUniform1f( (GLint)location, f1);
+}
+
+void CCGLProgram::setUniformLocationWith2f(unsigned int location, GLfloat f1, GLfloat f2)
+{
+	GLfloat floats[2] = {f1,f2};
+	bool updated =  updateUniformLocation(location, floats, sizeof(floats));
+
+	if( updated )
+		glUniform2f( (GLint)location, f1, f2);
+}
+
+void CCGLProgram::setUniformLocationWith3f(unsigned int location, GLfloat f1, GLfloat f2, GLfloat f3)
+{
+	GLfloat floats[3] = {f1,f2,f3};
+	bool updated =  updateUniformLocation(location, floats, sizeof(floats));
+
+	if( updated )
+		glUniform3f( (GLint)location, f1, f2, f3);
+}
+
+void CCGLProgram::setUniformLocationWith4f(unsigned int location, GLfloat f1, GLfloat f2, GLfloat f3, GLfloat f4)
+{
+	GLfloat floats[4] = {f1,f2,f3,f4};
+	bool updated =  updateUniformLocation(location, floats, sizeof(floats));
+
+	if( updated )
+		glUniform4f( (GLint)location, f1, f2, f3,f4);
+}
+
+void CCGLProgram::setUniformLocationWith2fv(unsigned int location, GLfloat* floats, unsigned int numberOfArrays)
+{
+	bool updated =  updateUniformLocation(location, floats, sizeof(float)*2*numberOfArrays);
+
+	if( updated )
+		glUniform2fv( (GLint)location, (GLsizei)numberOfArrays, floats );
+}
+
+void CCGLProgram::setUniformLocationWith3fv(unsigned int location, GLfloat* floats, unsigned int numberOfArrays)
+{
+	bool updated =  updateUniformLocation(location, floats, sizeof(float)*3*numberOfArrays);
+
+	if( updated )
+		glUniform3fv( (GLint)location, (GLsizei)numberOfArrays, floats );
+}
+
+void CCGLProgram::setUniformLocationWith4fv(unsigned int location, GLfloat* floats, unsigned int numberOfArrays)
+{
+	bool updated =  updateUniformLocation(location, floats, sizeof(float)*4*numberOfArrays);
+
+	if( updated )
+		glUniform4fv( (GLint)location, (GLsizei)numberOfArrays, floats );
+}
+
+
+void CCGLProgram::setUniformLocationwithMatrix4fv(unsigned int location, GLfloat* matrixArray, unsigned int numberOfMatrices)
+{
+	bool updated =  updateUniformLocation(location, matrixArray, sizeof(float)*16*numberOfMatrices);
+
+	if( updated )
+		glUniformMatrix4fv( (GLint)location, (GLsizei)numberOfMatrices, GL_FALSE, matrixArray);
+}
+
+void CCGLProgram::setUniformForModelViewProjectionMatrix()
+{
+	kmMat4 matrixP;
+	kmMat4 matrixMV;
+	kmMat4 matrixMVP;
+
+	kmGLGetMatrix(KM_GL_PROJECTION, &matrixP );
+	kmGLGetMatrix(KM_GL_MODELVIEW, &matrixMV );
+
+	kmMat4Multiply(&matrixMVP, &matrixP, &matrixMV);
+
+	setUniformLocationwithMatrix4fv(uniforms_[kCCUniformMVPMatrix], matrixMVP.mat, 1);
+}
 
 NS_CC_END

cocos2dx/gles2/ccGLStateCache.cpp

@@ -23,7 +23,7 @@
  * THE SOFTWARE.
  */
 
-#include "ccGLState.h"
+#include "ccGLStateCache.h"
 #include "CCGLProgram.h"
 #include "CCDirector.h"
 #include "ccConfig.h"
@@ -54,7 +54,10 @@ static int      _ccGLServerState = 0;
 void ccGLInvalidateStateCache( void )
 {
 	kmGLFreeAll();
-
+	_ccCurrentProjectionMatrix = -1;
+	_vertexAttribPosition = false;
+	_vertexAttribColor = false;
+	_vertexAttribTexCoords = false;
 #if CC_ENABLE_GL_STATE_CACHE
 	_ccCurrentShaderProgram = -1;
 	for( int i=0; i < kCCMaxActiveTexture; i++ )
@@ -217,20 +220,6 @@ void ccGLEnableVertexAttribs( unsigned int flags )
 
 //#pragma mark - GL Uniforms functions
 
-void ccGLUniformModelViewProjectionMatrix( CCGLProgram *shaderProgram )
-{
-	kmMat4 matrixP;
-	kmMat4 matrixMV;
-	kmMat4 matrixMVP;
-
-	kmGLGetMatrix(KM_GL_PROJECTION, &matrixP );
-	kmGLGetMatrix(KM_GL_MODELVIEW, &matrixMV );
-
-	kmMat4Multiply(&matrixMVP, &matrixP, &matrixMV);
-
-	glUniformMatrix4fv( shaderProgram->uniforms_[kCCUniformMVPMatrix], 1, GL_FALSE, matrixMVP.mat);
-}
-
 void ccSetProjectionMatrixDirty( void )
 {
 	_ccCurrentProjectionMatrix = -1;

cocos2dx/include/CCGLProgram.h

@@ -1,27 +1,29 @@
-//
+/****************************************************************************
-// Copyright 2011 Jeff Lamarche
+Copyright 2012 cocos2d-x.org
-//
+Copyright 2011 Jeff Lamarche
-// Redistribution and use in source and binary forms, with or without modification, are permitted provided
+Copyright 2012 Goffredo Marocchi
-// that the following conditions are met:
+Copyright 2012 Ricardo Quesada
-//	1. Redistributions of source code must retain the above copyright notice, this list of conditions and
+
-//		the following disclaimer.
+http://www.cocos2d-x.org
-//
+ 
-//	2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions
+Permission is hereby granted, free of charge, to any person obtaining a copy
-//		and the following disclaimer in the documentation and/or other materials provided with the
+of this software and associated documentation files (the "Software"), to deal
-//		distribution.
+in the Software without restriction, including without limitation the rights
-//
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-//	THIS SOFTWARE IS PROVIDED BY THE FREEBSD PROJECT ``AS IS'' AND ANY EXPRESS OR IMPLIED
+copies of the Software, and to permit persons to whom the Software is
-//	WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+furnished to do so, subject to the following conditions:
-//	FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FREEBSD PROJECT
+
-//	OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+The above copyright notice and this permission notice shall be included in
-//	CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+all copies or substantial portions of the Software.
-//	OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+
-//	AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-//	NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-//	ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+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,
-// Adapted for cocos2d http://www.cocos2d-iphone.org
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+****************************************************************************/
 
 #ifndef __CCGLPROGRAM_H__
 #define __CCGLPROGRAM_H__
@@ -52,6 +54,7 @@ enum {
 #define kCCShader_PositionTexture				"ShaderPositionTexture"
 #define kCCShader_PositionTexture_uColor		"ShaderPositionTexture_uColor"
 #define kCCShader_PositionTextureA8Color		"ShaderPositionTextureA8Color"
+#define kCCShader_Position_uColor				"ShaderPosition_uColor"
 
 // uniform names
 #define kCCUniformMVPMatrix_s			"u_MVPMatrix"
@@ -63,6 +66,8 @@ enum {
 #define	kCCAttributeNamePosition		"a_position"
 #define	kCCAttributeNameTexCoord		"a_texCoord"
 
+struct _hashUniformEntry;
+
 typedef void (*GLInfoFunction)(GLuint program,
 							   GLenum pname,
 							   GLint* params);
@@ -71,36 +76,77 @@ typedef void (*GLLogFunction) (GLuint program,
 							   GLsizei* length,
 							   GLchar* infolog);
 
-/** CCGLProgram
+/** CCGLProgram
- Class that implements a glProgram
+ Class that implements a glProgram
+ 
+ 
+ @since v2.0.0
  */
 class CC_DLL CCGLProgram : public CCObject
 {
 public:
 	CCGLProgram();
 	virtual ~CCGLProgram();
+	/** Initializes the CCGLProgram with a vertex and fragment with bytes array */
+	bool initWithVertexShaderByteArray(const GLchar* vShaderByteArray, const GLchar* fShaderByteArray);
+	/** Initializes the CCGLProgram with a vertex and fragment with contents of filenames */
 	bool initWithVertexShaderFilename(const char* vShaderFilename, const char* fShaderFilename);
+	/**  It will add a new attribute to the shader */
 	void addAttribute(const char* attributeName, GLuint index);
+	/** links the glProgram */
 	bool link();
+	/** it will call glUseProgram() */
 	void use();
-/* It will create 3 uniforms:
+/** It will create 3 uniforms:
 	- kCCUniformPMatrix
 	- kCCUniformMVMatrix
 	- kCCUniformSampler
 
  And it will bind "kCCUniformSampler" to 0
 
- @since v2.0.0
  */
 	void updateUniforms();
+	/** calls glUniform1i only if the values are different than the previous call for this same shader program. */
+	void setUniformLocationWith1i(unsigned int location, GLint i1);
+
+	/** calls glUniform1f only if the values are different than the previous call for this same shader program. */
+	void setUniformLocationWith1f(unsigned int location, GLfloat f1);
+
+	/** calls glUniform2f only if the values are different than the previous call for this same shader program. */
+	void setUniformLocationWith2f(unsigned int location, GLfloat f1, GLfloat f2);
+
+	/** calls glUniform3f only if the values are different than the previous call for this same shader program. */
+	void setUniformLocationWith3f(unsigned int location, GLfloat f1, GLfloat f2, GLfloat f3);
+
+	/** calls glUniform4f only if the values are different than the previous call for this same shader program. */
+	void setUniformLocationWith4f(unsigned int location, GLfloat f1, GLfloat f2, GLfloat f3, GLfloat f4);
+
+	/** calls glUniform2fv only if the values are different than the previous call for this same shader program. */
+	void setUniformLocationWith2fv(unsigned int location, GLfloat* floats, unsigned int numberOfArrays);
+
+	/** calls glUniform3fv only if the values are different than the previous call for this same shader program. */
+	void setUniformLocationWith3fv(unsigned int location, GLfloat* floats, unsigned int numberOfArrays);
+
+	/** calls glUniform4fv only if the values are different than the previous call for this same shader program. */
+	void setUniformLocationWith4fv(unsigned int location, GLfloat* floats, unsigned int numberOfArrays);
+
+	/** calls glUniformMatrix4fv only if the values are different than the previous call for this same shader program. */
+	void setUniformLocationwithMatrix4fv(unsigned int location, GLfloat* matrixArray, unsigned int numberOfMatrices);
+
+	/** will update the MVP matrix on the MVP uniform if it is different than the previous call for this same shader program. */
+	void setUniformForModelViewProjectionMatrix();
 
+	/** returns the vertexShader error log */
 	const char* vertexShaderLog();
+	/** returns the fragmentShader error log */
 	const char* fragmentShaderLog();
+	/** returns the program error log */
 	const char* programLog();
 
 private:
+	bool updateUniformLocation(unsigned int location, GLvoid* data, unsigned int bytes);
 	const char* description();
-	bool compileShader(GLuint * shader, GLenum type, const char* file);
+	bool compileShader(GLuint * shader, GLenum type, const GLchar* source);
 	const char* logForOpenGLObject(GLuint object, GLInfoFunction infoFunc, GLLogFunction logFunc);
 
 public:
@@ -108,6 +154,8 @@ public:
 	GLuint			vertShader_;
 	GLuint			fragShader_;
 	GLint			uniforms_[kCCUniform_MAX];
+private:
+	struct _hashUniformEntry* hashForUniforms_;
 };
 
 NS_CC_END

cocos2dx/include/CCNode.h

@@ -32,7 +32,7 @@
 #include "CCAffineTransform.h"
 #include "CCArray.h"
 #include "CCGL.h"
-#include "ccGLState.h"
+#include "ccGLStateCache.h"
 #include "kazmath/kazmath.h"
 
 namespace   cocos2d {

cocos2dx/include/ccGLStateCache.h

@@ -56,7 +56,7 @@ typedef enum {
 
 } ccGLServerState;
 
-/** @file ccGLState.h
+/** @file ccGLStateCache.h
 */
 
 /** Invalidates the GL state cache.
@@ -83,11 +83,6 @@ void CC_DLL ccGLDeleteProgram( GLuint program );
  */
 void CC_DLL ccGLBlendFunc(GLenum sfactor, GLenum dfactor);
 
-/** sets the ModelViewProjection Matrix in the GL program
- @since v2.0.0
- */
-void CC_DLL ccGLUniformModelViewProjectionMatrix( CCGLProgram *shaderProgram );
-
 /** sets the projection matrix as dirty
  @since v2.0.0
  */

cocos2dx/include/cocos2d.h

@@ -118,7 +118,7 @@ THE SOFTWARE.
 #include "extensions/CCNotificationCenter.h"
 // Shaders
 #include "CCGLProgram.h"
-#include "ccGLState.h"
+#include "ccGLStateCache.h"
 #include "CCShaderCache.h"
 //
 // cocos2d macros

cocos2dx/label_nodes/CCLabelAtlas.cpp

@@ -30,7 +30,7 @@ THE SOFTWARE.
 #include "ccConfig.h"
 #include "CCShaderCache.h"
 #include "CCGLProgram.h"
-#include "ccGLState.h"
+#include "ccGLStateCache.h"
 #include "CCDirector.h"
 #include "support/TransformUtils.h"
 // external

cocos2dx/layers_scenes_transitions_nodes/CCLayer.cpp

@@ -34,7 +34,7 @@ THE SOFTWARE.
 #include "CCScriptSupport.h"
 #include "CCShaderCache.h"
 #include "CCGLProgram.h"
-#include "ccGLState.h"
+#include "ccGLStateCache.h"
 #include "support/TransformUtils.h"
 // extern
 #include "kazmath/GL/matrix.h"

cocos2dx/misc_nodes/CCMotionStreak.cpp

@@ -24,7 +24,7 @@ THE SOFTWARE.
 ****************************************************************************/
 #include "CCMotionStreak.h"
 #include "CCTextureCache.h"
-#include "ccGLState.h"
+#include "ccGLStateCache.h"
 #include "CCGLProgram.h"
 #include "CCShaderCache.h"
 #include "ccMacros.h"

cocos2dx/misc_nodes/CCProgressTimer.cpp

@@ -29,7 +29,7 @@ THE SOFTWARE.
 #include "CCPointExtension.h"
 #include "CCGLProgram.h"
 #include "CCShaderCache.h"
-#include "ccGLState.h"
+#include "ccGLStateCache.h"
 #include "CCDirector.h"
 #include "support/TransformUtils.h"
 #include "CCDrawingPrimitives.h"

cocos2dx/misc_nodes/CCRenderTexture.cpp

@@ -29,7 +29,7 @@ THE SOFTWARE.
 #include "platform/platform.h"
 #include "CCImage.h"
 #include "CCGLProgram.h"
-#include "ccGLState.h"
+#include "ccGLStateCache.h"
 #include "CCConfiguration.h"
 #include "support/ccUtils.h"
 #include "CCTextureCache.h"

cocos2dx/particle_nodes/CCParticleBatchNode.cpp

@@ -38,7 +38,7 @@
 #include "CCParticleSystem.h"
 #include "CCShaderCache.h"
 #include "CCGLProgram.h"
-#include "ccGLState.h"
+#include "ccGLStateCache.h"
 
 #include "support/base64.h"
 #include "support/zip_support/ZipUtils.h"

cocos2dx/particle_nodes/CCParticleSystemQuad.cpp

@@ -35,7 +35,7 @@ THE SOFTWARE.
 #include "CCTextureAtlas.h"
 #include "CCDirector.h"
 #include "CCShaderCache.h"
-#include "ccGLState.h"
+#include "ccGLStateCache.h"
 #include "CCGLProgram.h"
 #include "support/TransformUtils.h"
 

cocos2dx/proj.win32/cocos2d-win32.vcproj

@@ -424,7 +424,7 @@
 				>
 			</File>
 			<File
-				RelativePath="..\include\ccGLState.h"
+				RelativePath="..\include\ccGLStateCache.h"
 				>
 			</File>
 			<File
@@ -1108,7 +1108,7 @@
 				>
 			</File>
 			<File
-				RelativePath="..\gles2\ccGLState.cpp"
+				RelativePath="..\gles2\ccGLStateCache.cpp"
 				>
 			</File>
 			<File

cocos2dx/shaders/ccShader_PositionColor_frag.h

@@ -0,0 +1,12 @@
+"													\n\
+#ifdef GL_ES										\n\
+precision lowp float;								\n\
+#endif												\n\
+													\n\
+varying vec4 v_fragmentColor;						\n\
+													\n\
+void main()											\n\
+{													\n\
+	gl_FragColor = v_fragmentColor;					\n\
+}													\n\
+";

cocos2dx/shaders/ccShader_PositionColor_vert.h

@@ -0,0 +1,17 @@
+"														\n\
+attribute vec4 a_position;								\n\
+attribute vec4 a_color;									\n\
+uniform	mat4 u_MVPMatrix;								\n\
+														\n\
+#ifdef GL_ES											\n\
+varying lowp vec4 v_fragmentColor;						\n\
+#else													\n\
+varying vec4 v_fragmentColor;							\n\
+#endif													\n\
+														\n\
+void main()												\n\
+{														\n\
+    gl_Position = u_MVPMatrix * a_position;				\n\
+	v_fragmentColor = a_color;							\n\
+}														\n\
+";

cocos2dx/shaders/ccShader_PositionTextureA8Color_frag.h

@@ -0,0 +1,16 @@
+"													\n\
+#ifdef GL_ES										\n\
+precision lowp float;								\n\
+#endif												\n\
+													\n\
+varying vec4 v_fragmentColor;						\n\
+varying vec2 v_texCoord;							\n\
+uniform sampler2D u_texture;						\n\
+													\n\
+void main()											\n\
+{													\n\
+	gl_FragColor = vec4( v_fragmentColor.rgb,										// RGB from uniform				\n\
+						v_fragmentColor.a * texture2D(u_texture, v_texCoord).a		// A from texture & uniform		\n\
+						);							\n\
+}													\n\
+";

cocos2dx/shaders/ccShader_PositionTextureA8Color_vert.h

@@ -0,0 +1,21 @@
+"													\n\
+attribute vec4 a_position;							\n\
+attribute vec2 a_texCoord;							\n\
+attribute vec4 a_color;								\n\
+uniform		mat4 u_MVPMatrix;						\n\
+													\n\
+#ifdef GL_ES										\n\
+varying lowp vec4 v_fragmentColor;					\n\
+varying mediump vec2 v_texCoord;					\n\
+#else												\n\
+varying vec4 v_fragmentColor;						\n\
+varying vec2 v_texCoord;							\n\
+#endif												\n\
+													\n\
+void main()											\n\
+{													\n\
+    gl_Position = u_MVPMatrix * a_position;			\n\
+	v_fragmentColor = a_color;						\n\
+	v_texCoord = a_texCoord;						\n\
+}													\n\
+";

cocos2dx/shaders/ccShader_PositionTextureColorAlphaTest_frag.h

@@ -0,0 +1,23 @@
+"															\n\
+#ifdef GL_ES												\n\
+precision lowp float;										\n\
+#endif														\n\
+															\n\
+varying vec4 v_fragmentColor;								\n\
+varying vec2 v_texCoord;									\n\
+uniform sampler2D u_texture;								\n\
+uniform		float u_alpha_value;							\n\
+															\n\
+void main()													\n\
+{															\n\
+	vec4 texColor = texture2D(u_texture, v_texCoord);		\n\
+															\n\
+	// mimic: glAlphaFunc(GL_GREATER)						\n\
+	// pass if ( incoming_pixel >= u_alpha_value ) => fail if incoming_pixel < u_alpha_value		\n\
+															\n\
+	if ( texColor.a <= u_alpha_value )						\n\
+		discard;											\n\
+															\n\
+	gl_FragColor = texColor * v_fragmentColor;				\n\
+}															\n\
+";

cocos2dx/shaders/ccShader_PositionTextureColor_frag.h

@@ -0,0 +1,14 @@
+"											\n\
+#ifdef GL_ES								\n\
+precision lowp float;						\n\
+#endif										\n\
+											\n\
+varying vec4 v_fragmentColor;				\n\
+varying vec2 v_texCoord;					\n\
+uniform sampler2D u_texture;				\n\
+											\n\
+void main()									\n\
+{											\n\
+	gl_FragColor = v_fragmentColor * texture2D(u_texture, v_texCoord);			\n\
+}											\n\
+";

cocos2dx/shaders/ccShader_PositionTextureColor_vert.h

@@ -0,0 +1,22 @@
+"													\n\
+attribute vec4 a_position;							\n\
+attribute vec2 a_texCoord;							\n\
+attribute vec4 a_color;								\n\
+													\n\
+uniform		mat4 u_MVPMatrix;						\n\
+													\n\
+#ifdef GL_ES										\n\
+varying lowp vec4 v_fragmentColor;					\n\
+varying mediump vec2 v_texCoord;					\n\
+#else												\n\
+varying vec4 v_fragmentColor;						\n\
+varying vec2 v_texCoord;							\n\
+#endif												\n\
+													\n\
+void main()											\n\
+{													\n\
+    gl_Position = u_MVPMatrix * a_position;			\n\
+	v_fragmentColor = a_color;						\n\
+	v_texCoord = a_texCoord;						\n\
+}													\n\
+";

cocos2dx/shaders/ccShader_PositionTexture_frag.h

@@ -0,0 +1,13 @@
+"																		\n\
+#ifdef GL_ES															\n\
+precision lowp float;													\n\
+#endif																	\n\
+																		\n\
+varying vec2 v_texCoord;												\n\
+uniform sampler2D u_texture;											\n\
+																		\n\
+void main()																\n\
+{																		\n\
+	gl_FragColor =  texture2D(u_texture, v_texCoord);					\n\
+}																		\n\
+";

cocos2dx/shaders/ccShader_PositionTexture_uColor_frag.h

@@ -0,0 +1,16 @@
+"										\n\
+#ifdef GL_ES							\n\
+precision lowp float;					\n\
+#endif									\n\
+										\n\
+uniform		vec4 u_color;				\n\
+										\n\
+varying vec2 v_texCoord;				\n\
+										\n\
+uniform sampler2D u_texture;			\n\
+										\n\
+void main()								\n\
+{										\n\
+	gl_FragColor =  texture2D(u_texture, v_texCoord) * u_color;	\n\
+}										\n\
+";

cocos2dx/shaders/ccShader_PositionTexture_uColor_vert.h

@@ -0,0 +1,18 @@
+"									\n\
+attribute vec4 a_position;			\n\
+attribute vec2 a_texCoord;			\n\
+									\n\
+uniform	mat4 u_MVPMatrix;			\n\
+									\n\
+#ifdef GL_ES						\n\
+varying mediump vec2 v_texCoord;	\n\
+#else								\n\
+varying vec2 v_texCoord;			\n\
+#endif								\n\
+									\n\
+void main()							\n\
+{									\n\
+    gl_Position = u_MVPMatrix * a_position;		\n\
+	v_texCoord = a_texCoord;		\n\
+}									\n\
+";

cocos2dx/shaders/ccShader_PositionTexture_vert.h

@@ -0,0 +1,17 @@
+"														\n\
+attribute vec4 a_position;								\n\
+attribute vec2 a_texCoord;								\n\
+uniform	mat4 u_MVPMatrix;								\n\
+														\n\
+#ifdef GL_ES											\n\
+varying mediump vec2 v_texCoord;						\n\
+#else													\n\
+varying vec2 v_texCoord;								\n\
+#endif													\n\
+														\n\
+void main()												\n\
+{														\n\
+    gl_Position = u_MVPMatrix * a_position;				\n\
+	v_texCoord = a_texCoord;							\n\
+}														\n\
+";

cocos2dx/shaders/ccShader_Position_uColor_frag.h

@@ -0,0 +1,12 @@
+"										\n\
+#ifdef GL_ES							\n\
+precision lowp float;					\n\
+#endif									\n\
+										\n\
+varying vec4 v_fragmentColor;			\n\
+										\n\
+void main()								\n\
+{										\n\
+	gl_FragColor = v_fragmentColor;		\n\
+}										\n\
+";

cocos2dx/shaders/ccShader_Position_uColor_vert.h

@@ -0,0 +1,19 @@
+"													\n\
+attribute vec4 a_position;							\n\
+uniform	mat4 u_MVPMatrix;							\n\
+uniform	vec4 u_color;								\n\
+uniform float u_pointSize;							\n\
+													\n\
+#ifdef GL_ES										\n\
+varying lowp vec4 v_fragmentColor;					\n\
+#else												\n\
+varying vec4 v_fragmentColor;						\n\
+#endif												\n\
+													\n\
+void main()											\n\
+{													\n\
+    gl_Position = u_MVPMatrix * a_position;			\n\
+	gl_PointSize = u_pointSize;						\n\
+	v_fragmentColor = u_color;						\n\
+}													\n\
+";

cocos2dx/sprite_nodes/CCSprite.cpp

@@ -34,7 +34,7 @@ THE SOFTWARE.
 #include "CCTextureCache.h"
 #include "CCDrawingPrimitives.h"
 #include "CCShaderCache.h"
-#include "ccGLState.h"
+#include "ccGLStateCache.h"
 #include "CCGLProgram.h"
 #include "CCDirector.h"
 #include "CCPointExtension.h"
@@ -561,6 +561,10 @@ void CCSprite::draw(void)
 	{
 		ccGLBindTexture2D( m_pobTexture->getName() );
 	}
+	else
+	{
+		ccGLBindTexture2D(0);
+	}
 	
 	//
 	// Attributes

cocos2dx/sprite_nodes/CCSpriteBatchNode.cpp

@@ -33,7 +33,7 @@ THE SOFTWARE.
 #include "CCPointExtension.h"
 #include "CCShaderCache.h"
 #include "CCGLProgram.h"
-#include "ccGLState.h"
+#include "ccGLStateCache.h"
 #include "CCDirector.h"
 #include "support/TransformUtils.h"
 #include "support/CCProfiling.h"

cocos2dx/textures/CCTexture2D.cpp

@@ -43,7 +43,7 @@ THE SOFTWARE.
 #include "CCTexturePVR.h"
 #include "CCDirector.h"
 #include "CCGLProgram.h"
-#include "ccGLState.h"
+#include "ccGLStateCache.h"
 #include "CCShaderCache.h"
 
 #if CC_ENABLE_CACHE_TEXTTURE_DATA

cocos2dx/textures/CCTextureAtlas.cpp

@@ -29,7 +29,7 @@ THE SOFTWARE.
 #include "CCTextureCache.h"
 #include "ccMacros.h"
 #include "CCGLProgram.h"
-#include "ccGLState.h"
+#include "ccGLStateCache.h"
 // support
 #include "CCTexture2D.h"