//[-------------------------------------------------------]
//[ Private virtual PLRenderer::Resource functions ]
//[-------------------------------------------------------]
void FragmentShaderGLSL::BackupDeviceData(uint8 **ppBackup)
{
// Get the length of the shader source, including the null termination character
GLint nShaderSourceLength = 0;
glGetObjectParameterivARB(m_nOpenGLFragmentShader, GL_OBJECT_SHADER_SOURCE_LENGTH_ARB, &nShaderSourceLength);
if (nShaderSourceLength > 1) {
*ppBackup = new uint8[nShaderSourceLength];
glGetShaderSourceARB(m_nOpenGLFragmentShader, nShaderSourceLength, nullptr, reinterpret_cast<GLcharARB*>(*ppBackup));
glDeleteObjectARB(m_nOpenGLFragmentShader);
m_nOpenGLFragmentShader = 0;
} else {
*ppBackup = nullptr;
}
}
String FragmentShaderGLSL::GetSourceCode() const
{
// Get the length of the shader source, including the null termination character
GLint nShaderSourceLength = 0;
glGetObjectParameterivARB(m_nOpenGLFragmentShader, GL_OBJECT_SHADER_SOURCE_LENGTH_ARB, &nShaderSourceLength);
if (nShaderSourceLength > 1) {
// The string class takes over the control of the string memory and also deletes it
char *pszSourceCode = new char[nShaderSourceLength];
glGetShaderSourceARB(m_nOpenGLFragmentShader, nShaderSourceLength, nullptr, pszSourceCode);
return String(pszSourceCode, false, nShaderSourceLength-1); // -1 = excluding the null termination character
}
// Error!
return "";
}
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_ARBShaderObjects_nglGetShaderSourceARB(JNIEnv *env, jclass clazz, jint obj, jint maxLength, jobject length, jint length_position, jobject source, jint source_position, jlong function_pointer) {
GLsizei *length_address = ((GLsizei *)safeGetBufferAddress(env, length)) + length_position;
GLcharARB *source_address = ((GLcharARB *)(*env)->GetDirectBufferAddress(env, source)) + source_position;
glGetShaderSourceARBPROC glGetShaderSourceARB = (glGetShaderSourceARBPROC)((intptr_t)function_pointer);
glGetShaderSourceARB(obj, maxLength, length_address, source_address);
}
