TorqueGameEngines/Torque3D
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timmy merge work

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Tim Barnes 2018-11-28 17:51:52 +10:00
parent f1e584ca69
commit ab10cc0c87
29 changed files with 295 additions and 925 deletions
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86
Engine/source/T3D/lighting/IBLUtilities.cpp
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@ -1,3 +1,26 @@
//-----------------------------------------------------------------------------
// Copyright (c) 2012 GarageGames, LLC
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// 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, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//-----------------------------------------------------------------------------
#include "T3D/lighting/IBLUtilities.h"
#include "console/engineAPI.h"
#include "materials/shaderData.h"
#include "gfx/gfxTextureManager.h"
@ -167,62 +190,7 @@ namespace IBLUtilities
{
Con::errorf("IBLUtilities::GenerateAndSavePrefilterMap - Failed to properly save out the baked irradiance!");
}
}
void GenerateBRDFTexture(GFXTexHandle &textureOut)
{
GFXTransformSaver saver;
ShaderData *brdfShaderData;
GFXShaderRef brdfShader = Sim::findObject("BRDFLookupShader", brdfShaderData) ? brdfShaderData->getShader() : NULL;
if (!brdfShader)
{
Con::errorf("IBLUtilities::GenerateBRDFTexture() - could not find BRDFLookupShader");
return;
}
U32 textureSize = textureOut->getWidth();
GFXTextureTargetRef renderTarget = GFX->allocRenderToTextureTarget();
GFX->pushActiveRenderTarget();
GFX->setShader(brdfShader);
renderTarget->attachTexture(GFXTextureTarget::Color0, textureOut);
GFX->setActiveRenderTarget(renderTarget);//potential bug here with the viewport not updating with the new size
GFX->setViewport(RectI(0, 0, textureSize, textureSize));//see above comment
GFX->clear(GFXClearTarget, LinearColorF::BLUE, 1.0f, 0);
GFX->drawPrimitive(GFXTriangleList, 0, 3);
renderTarget->resolve();
GFX->popActiveRenderTarget();
}
GFXTexHandle GenerateAndSaveBRDFTexture(String outputPath, S32 resolution)
{
GFXTexHandle brdfTexture = TEXMGR->createTexture(resolution, resolution, GFXFormatR8G8B8A8, &GFXRenderTargetProfile, 1, 0);
GenerateBRDFTexture(brdfTexture);
FileStream fs;
if (fs.open(outputPath, Torque::FS::File::Write))
{
// Read back the render target, dxt compress it, and write it to disk.
GBitmap brdfBmp(brdfTexture.getHeight(), brdfTexture.getWidth(), false, GFXFormatR8G8B8A8);
brdfTexture.copyToBmp(&brdfBmp);
brdfBmp.extrudeMipLevels();
DDSFile *brdfDDS = DDSFile::createDDSFileFromGBitmap(&brdfBmp);
ImageUtil::ddsCompress(brdfDDS, GFXFormatBC1);
// Write result to file stream
brdfDDS->write(fs);
delete brdfDDS;
}
fs.close();
return brdfTexture;
}
}
void bakeReflection(String outputPath, S32 resolution)
{
@ -662,9 +630,3 @@ namespace IBLUtilities
return angle;
}
};
DefineEngineFunction(GenerateBRDFTexture, bool, (String outputPath, S32 resolution), ("", 256),
"@brief returns true if control object is inside the fog\n\n.")
{
return IBLUtilities::GenerateAndSaveBRDFTexture(outputPath, resolution);
}