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Merge remote-tracking branch 'mrcheko/master'

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This commit is contained in:
Marc Zinnschlag 2015-01-02 18:08:47 +01:00
commit ec1df719fe
7 changed files with 90 additions and 5 deletions
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35
libs/openengine/ogre/renderer.cpp
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@ -23,6 +23,11 @@
using namespace Ogre;
using namespace OEngine::Render;
OgreRenderer::~OgreRenderer()
{
cleanup();
restoreWindowGammaRamp();
}
void OgreRenderer::cleanup()
{
@ -140,6 +145,7 @@ void OgreRenderer::createWindow(const std::string &title, const WindowSettings&
helper.setWindowIcon(settings.icon);
mWindow = helper.getWindow();
SDL_GetWindowGammaRamp(mSDLWindow, mOldSystemGammaRamp, &mOldSystemGammaRamp[256], &mOldSystemGammaRamp[512]);
// create the semi-transparent black background texture used by the GUI.
// has to be created in code with TU_DYNAMIC_WRITE_ONLY param
@ -163,6 +169,35 @@ void OgreRenderer::createWindow(const std::string &title, const WindowSettings&
mCamera->setAspectRatio(Real(mView->getActualWidth()) / Real(mView->getActualHeight()));
}
void OgreRenderer::setWindowGammaContrast(float gamma, float contrast)
{
if (mSDLWindow == NULL) return;
Uint16 red[256], green[256], blue[256];
for (int i = 0; i < 256; i++)
{
float k = i/256.0f;
k = (k - 0.5f) * contrast + 0.5f;
k = pow(k, 1.f/gamma);
k *= 256;
float value = k*256;
if (value > 65535) value = 65535;
else if (value < 0) value = 0;
red[i] = green[i] = blue[i] = value;
}
if (SDL_SetWindowGammaRamp(mSDLWindow, red, green, blue) < 0)
std::cout << "Couldn't set gamma: " << SDL_GetError() << std::endl;
}
void OgreRenderer::restoreWindowGammaRamp()
{
if (mSDLWindow != NULL)
{
SDL_SetWindowGammaRamp(mSDLWindow, mOldSystemGammaRamp, &mOldSystemGammaRamp[256], &mOldSystemGammaRamp[512]);
}
}
void OgreRenderer::adjustCamera(float fov, float nearClip)
{
mCamera->setNearClipDistance(nearClip);