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Code Issues Releases Wiki Activity

Make updating global shader defines update shaders.

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This commit is contained in:
AnyOldName3 2017-12-17 01:57:53 +00:00
parent 8957c92a36
commit 229cc9696f
3 changed files with 25 additions and 4 deletions
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2
apps/openmw/mwrender/renderingmanager.cpp
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@ -244,7 +244,7 @@ namespace MWRender
for (auto itr = shadowDefines.begin(); itr != shadowDefines.end(); itr++)
globalDefines[itr->first] = itr->second;
mResourceSystem->getSceneManager()->getShaderManager().setGlobalDefines(globalDefines);
mResourceSystem->getSceneManager()->getShaderManager().setGlobalDefines(globalDefines, mViewer);
mPathgrid.reset(new Pathgrid(mRootNode));

23
components/shader/shadermanager.cpp
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@ -337,10 +337,29 @@ namespace Shader
return DefineMap(mGlobalDefines);
}
void ShaderManager::setGlobalDefines(DefineMap & defines)
void ShaderManager::setGlobalDefines(DefineMap & defines, osg::ref_ptr<osgViewer::Viewer> viewer)
{
mGlobalDefines = defines;
// TODO: We need to trigger the regeneration of all shaders.
bool threadsStarted = viewer->areThreadsRunning();
if (threadsStarted)
viewer->stopThreading();
for (auto shaderMapElement: mShaders)
{
std::string templateId = shaderMapElement.first.first;
ShaderManager::DefineMap defines = shaderMapElement.first.second;
osg::ref_ptr<osg::Shader> shader = shaderMapElement.second;
if (shader == nullptr)
// I'm not sure how to handle a shader that was already broken as there's no way to get a potential replacement to the nodes that need it.
continue;
std::string shaderSource = mShaderTemplates[templateId];
if (!parseDefines(shaderSource, defines, mGlobalDefines) || !parseFors(shaderSource))
// We just broke the shader and there's no way to force existing objects back to fixed-function mode as we would when creating the shader.
// If we put a nullptr in the shader map, we just lose the ability to put a working one in later.
continue;
shader->setShaderSource(shaderSource);
}
if (threadsStarted)
viewer->startThreading();
}
void ShaderManager::releaseGLObjects(osg::State *state)

4
components/shader/shadermanager.hpp
View file

@ -8,6 +8,8 @@
#include <osg/Shader>
#include <osgViewer/Viewer>
#include <OpenThreads/Mutex>
namespace Shader
@ -37,7 +39,7 @@ namespace Shader
/// Set the DefineMap used to construct all shaders
/// @param defines The DefineMap to use
void setGlobalDefines(DefineMap& defines);
void setGlobalDefines(DefineMap & defines, osg::ref_ptr<osgViewer::Viewer> viewer);
void releaseGLObjects(osg::State* state);