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Imported Upstream version 0.26.0

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Bret Curtis 2013-10-17 16:37:22 +02:00
commit 9a2b6c69b6
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69
extern/shiny/Platforms/Ogre/OgreGpuProgram.cpp vendored Normal file
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#include <stdexcept>
#include "OgreGpuProgram.hpp"
#include <boost/lexical_cast.hpp>
#include <OgreHighLevelGpuProgramManager.h>
#include <OgreGpuProgramManager.h>
#include <OgreVector4.h>
namespace sh
{
OgreGpuProgram::OgreGpuProgram(
GpuProgramType type,
const std::string& compileArguments,
const std::string& name, const std::string& profile,
const std::string& source, const std::string& lang,
const std::string& resourceGroup)
: GpuProgram()
{
Ogre::HighLevelGpuProgramManager& mgr = Ogre::HighLevelGpuProgramManager::getSingleton();
assert (mgr.getByName(name).isNull() && "Vertex program already exists");
Ogre::GpuProgramType t;
if (type == GPT_Vertex)
t = Ogre::GPT_VERTEX_PROGRAM;
else
t = Ogre::GPT_FRAGMENT_PROGRAM;
mProgram = mgr.createProgram(name, resourceGroup, lang, t);
if (lang != "glsl" && lang != "glsles")
mProgram->setParameter("entry_point", "main");
if (lang == "hlsl")
mProgram->setParameter("target", profile);
else if (lang == "cg")
mProgram->setParameter("profiles", profile);
mProgram->setSource(source);
mProgram->load();
if (mProgram.isNull() || !mProgram->isSupported())
std::cerr << "Failed to compile shader \"" << name << "\". Consider the OGRE log for more information." << std::endl;
}
bool OgreGpuProgram::getSupported()
{
return (!mProgram.isNull() && mProgram->isSupported());
}
void OgreGpuProgram::setAutoConstant (const std::string& name, const std::string& autoConstantName, const std::string& extraInfo)
{
assert (!mProgram.isNull() && mProgram->isSupported());
const Ogre::GpuProgramParameters::AutoConstantDefinition* d = Ogre::GpuProgramParameters::getAutoConstantDefinition(autoConstantName);
if (!d)
throw std::runtime_error ("can't find auto constant with name \"" + autoConstantName + "\"");
Ogre::GpuProgramParameters::AutoConstantType t = d->acType;
// this simplifies debugging for CG a lot.
mProgram->getDefaultParameters()->setIgnoreMissingParams(true);
if (d->dataType == Ogre::GpuProgramParameters::ACDT_NONE)
mProgram->getDefaultParameters()->setNamedAutoConstant (name, t, 0);
else if (d->dataType == Ogre::GpuProgramParameters::ACDT_INT)
mProgram->getDefaultParameters()->setNamedAutoConstant (name, t, extraInfo == "" ? 0 : boost::lexical_cast<int>(extraInfo));
else if (d->dataType == Ogre::GpuProgramParameters::ACDT_REAL)
mProgram->getDefaultParameters()->setNamedAutoConstantReal (name, t, extraInfo == "" ? 0.f : boost::lexical_cast<float>(extraInfo));
}
}