OrdinaryMagician/vkdoom_m
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- added necessary state to implement 3D light splitting using hardware clipping planes.

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This commit is contained in:
Christoph Oelckers 2016-01-30 23:01:11 +01:00
commit fc57180d7e
7 changed files with 43 additions and 3 deletions
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16
src/gl/renderer/gl_renderstate.cpp
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@ -69,7 +69,7 @@ TArray<VSMatrix> gl_MatrixStack;
void FRenderState::Reset()
{
mTextureEnabled = true;
mBrightmapEnabled = mFogEnabled = mGlowEnabled = false;
mSplitEnabled = mBrightmapEnabled = mFogEnabled = mGlowEnabled = false;
mColorMask[0] = mColorMask[1] = mColorMask[2] = mColorMask[3] = true;
currentColorMask[0] = currentColorMask[1] = currentColorMask[2] = currentColorMask[3] = true;
mFogColor.d = -1;
@ -104,6 +104,7 @@ void FRenderState::Reset()
bool FRenderState::ApplyShader()
{
static const float nulvec[] = { 0.f, 0.f, 0.f, 0.f };
if (mSpecialEffect > EFF_NONE)
{
activeShader = GLRenderer->mShaderManager->BindEffect(mSpecialEffect);
@ -157,7 +158,6 @@ bool FRenderState::ApplyShader()
else if (activeShader->currentglowstate)
{
// if glowing is on, disable it.
static const float nulvec[] = { 0.f, 0.f, 0.f, 0.f };
activeShader->muGlowTopColor.Set(nulvec);
activeShader->muGlowBottomColor.Set(nulvec);
activeShader->muGlowTopPlane.Set(nulvec);
@ -165,6 +165,18 @@ bool FRenderState::ApplyShader()
activeShader->currentglowstate = 0;
}
if (mSplitEnabled)
{
activeShader->muSplitTopPlane.Set(mSplitTopPlane.vec);
activeShader->muSplitBottomPlane.Set(mSplitBottomPlane.vec);
activeShader->currentsplitstate = 1;
}
else
{
activeShader->muSplitTopPlane.Set(nulvec);
activeShader->muSplitBottomPlane.Set(nulvec);
}
if (mColormapState != activeShader->currentfixedcolormap)
{
float r, g, b;