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Merge pull request #9786 from dabingnn/v3_fixGLProgramLogCrash 

fix GLProgram log crash on windows
This commit is contained in:
minggo 2015-01-05 13:56:05 +08:00
parent 7407105f24 8dde42b66a
commit 1f271a3668
2 changed files with 27 additions and 10 deletions
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32
cocos/renderer/CCGLProgram.cpp
View File

@ -595,18 +595,36 @@ void GLProgram::use()
GL::useProgram(_program);
}
std::string GLProgram::logForOpenGLObject(GLuint object, GLInfoFunction infoFunc, GLLogFunction logFunc) const
static std::string logForOpenGLShader(GLuint shader)
{
std::string ret;
GLint logLength = 0, charsWritten = 0;
infoFunc(object, GL_INFO_LOG_LENGTH, &logLength);
glGetShaderiv(shader, GL_INFO_LOG_LENGTH, &logLength);
if (logLength < 1)
return "";
char *logBytes = (char*)malloc(logLength);
logFunc(object, logLength, &charsWritten, logBytes);
char *logBytes = (char*)malloc(logLength + 1);
glGetShaderInfoLog(shader, logLength, &charsWritten, logBytes);
logBytes[logLength] = '\0';
ret = logBytes;
free(logBytes);
return ret;
}
static std::string logForOpenGLProgram(GLuint program)
{
std::string ret;
GLint logLength = 0, charsWritten = 0;
glGetProgramiv(program, GL_INFO_LOG_LENGTH, &logLength);
if (logLength < 1)
return "";
char *logBytes = (char*)malloc(logLength + 1);
glGetProgramInfoLog(program, logLength, &charsWritten, logBytes);
logBytes[logLength] = '\0';
ret = logBytes;
free(logBytes);
@ -615,17 +633,17 @@ std::string GLProgram::logForOpenGLObject(GLuint object, GLInfoFunction infoFunc
std::string GLProgram::getVertexShaderLog() const
{
return this->logForOpenGLObject(_vertShader, (GLInfoFunction)&glGetShaderiv, (GLLogFunction)&glGetShaderInfoLog);
return cocos2d::logForOpenGLShader(_vertShader);
}
std::string GLProgram::getFragmentShaderLog() const
{
return this->logForOpenGLObject(_fragShader, (GLInfoFunction)&glGetShaderiv, (GLLogFunction)&glGetShaderInfoLog);
return cocos2d::logForOpenGLShader(_fragShader);
}
std::string GLProgram::getProgramLog() const
{
return this->logForOpenGLObject(_program, (GLInfoFunction)&glGetProgramiv, (GLLogFunction)&glGetProgramInfoLog);
return logForOpenGLProgram(_program);
}
// Uniform cache

5
cocos/renderer/CCGLProgram.h
View File

@ -47,10 +47,10 @@ NS_CC_BEGIN
class GLProgram;
class Director;
//FIXME: these two typedefs would be deprecated or removed in version 4.0
typedef void (*GLInfoFunction)(GLuint program, GLenum pname, GLint* params);
typedef void (*GLLogFunction) (GLuint program, GLsizei bufsize, GLsizei* length, GLchar* infolog);
struct VertexAttrib
{
GLuint index;
@ -333,8 +333,7 @@ protected:
void parseUniforms();
bool compileShader(GLuint * shader, GLenum type, const GLchar* source);
std::string logForOpenGLObject(GLuint object, GLInfoFunction infoFunc, GLLogFunction logFunc) const;
GLuint _program;
GLuint _vertShader;
GLuint _fragShader;