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/* $Id: packspu_glsl.c 28800 2010-04-27 08:22:32Z vboxsync $ */
/** @file
* VBox OpenGL GLSL related functions
*/
/*
* Copyright (C) 2009 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*/
#include "packspu.h"
#include "cr_packfunctions.h"
#include "cr_net.h"
#include "packspu_proto.h"
#include "cr_mem.h"
GLuint PACKSPU_APIENTRY packspu_CreateProgram(void)
{
GET_THREAD(thread);
int writeback = 1;
GLuint return_val = (GLuint) 0;
if (!(pack_spu.thread[0].netServer.conn->actual_network))
{
crError("packspu_CreateProgram doesn't work when there's no actual network involved!\nTry using the simplequery SPU in your chain!");
}
if (pack_spu.swap)
{
crPackCreateProgramSWAP(&return_val, &writeback);
}
else
{
crPackCreateProgram(&return_val, &writeback);
}
packspuFlush((void *) thread);
while (writeback)
crNetRecv();
if (pack_spu.swap)
{
return_val = (GLuint) SWAP32(return_val);
}
crStateCreateProgram(return_val);
return return_val;
}
static GLint packspu_GetUniformLocationUncached(GLuint program, const char * name)
{
GET_THREAD(thread);
int writeback = 1;
GLint return_val = (GLint) 0;
if (!(pack_spu.thread[0].netServer.conn->actual_network))
{
crError("packspu_GetUniformLocation doesn't work when there's no actual network involved!\nTry using the simplequery SPU in your chain!");
}
if (pack_spu.swap)
{
crPackGetUniformLocationSWAP(program, name, &return_val, &writeback);
}
else
{
crPackGetUniformLocation(program, name, &return_val, &writeback);
}
packspuFlush((void *) thread);
while (writeback)
crNetRecv();
if (pack_spu.swap)
{
return_val = (GLint) SWAP32(return_val);
}
return return_val;
}
GLint PACKSPU_APIENTRY packspu_GetUniformLocation(GLuint program, const char * name)
{
if (!crStateIsProgramUniformsCached(program))
{
GET_THREAD(thread);
int writeback = 1;
GLsizei maxcbData = 16*1024*sizeof(char);
GLsizei *pData;
pData = (GLsizei *) crAlloc(maxcbData+sizeof(GLsizei));
if (!pData)
{
crWarning("packspu_GetUniformLocation: not enough memory, fallback to single query");
return packspu_GetUniformLocationUncached(program, name);
}
crPackGetUniformsLocations(program, maxcbData, pData, NULL, &writeback);
packspuFlush((void *) thread);
while (writeback)
crNetRecv();
crStateGLSLProgramCacheUniforms(program, pData[0], &pData[1]);
CRASSERT(crStateIsProgramUniformsCached(program));
crFree(pData);
}
/*crDebug("packspu_GetUniformLocation(%d, %s)=%i", program, name, crStateGetUniformLocation(program, name));*/
return crStateGetUniformLocation(program, name);
}
void PACKSPU_APIENTRY packspu_GetUniformsLocations(GLuint program, GLsizei maxcbData, GLsizei * cbData, GLvoid * pData)
{
(void) program;
(void) maxcbData;
(void) cbData;
(void) pData;
crWarning("packspu_GetUniformsLocations shouldn't be called directly");
}
void PACKSPU_APIENTRY packspu_DeleteProgram(GLuint program)
{
crStateDeleteProgram(program);
crPackDeleteProgram(program);
}
void PACK_APIENTRY packspu_DeleteObjectARB(GLhandleARB obj)
{
GLuint hwid = crStateGetProgramHWID(obj);
if (hwid)
{
crStateDeleteProgram(obj);
}
crPackDeleteObjectARB(obj);
}
void PACKSPU_APIENTRY packspu_LinkProgram(GLuint program)
{
crStateLinkProgram(program);
crPackLinkProgram(program);
}
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