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Fix precision issue in SSAO shader

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This commit is contained in:
Magnus Norddahl 2016-09-01 07:15:40 +02:00
commit 8a2737a0ce
3 changed files with 10 additions and 6 deletions
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8
src/gl/renderer/gl_postprocess.cpp
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@ -112,11 +112,11 @@ CVAR(Float, gl_ssao_strength, 0.7, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
CVAR(Bool, gl_ssao_debug, false, 0)
CVAR(Float, gl_ssao_bias, 0.5f, 0)
CVAR(Float, gl_ssao_radius, 100.0f, 0)
CUSTOM_CVAR(Float, gl_ssao_blur_amount, 6.0f, 0)
CUSTOM_CVAR(Float, gl_ssao_blur_amount, 4.0f, 0)
{
if (self < 0.1f) self = 0.1f;
}
CUSTOM_CVAR(Int, gl_ssao_blur_samples, 9, 0)
CUSTOM_CVAR(Int, gl_ssao_blur_samples, 5, 0)
{
if (self < 3 || self > 15 || self % 2 == 0)
self = 9;
@ -165,8 +165,8 @@ void FGLRenderer::AmbientOccludeScene()
float aoStrength = gl_ssao_strength;
//float tanHalfFovy = tan(fovy * (M_PI / 360.0f));
float tanHalfFovy = 1.0f / 1.33333302f; //gl_RenderState.mProjectionMatrix.get()[5];
float invFocalLenX = tanHalfFovy * (mBuffers->AmbientWidth / (float)mBuffers->AmbientHeight);
float tanHalfFovy = 1.0f / 1.33333302f; // 1.0f / gl_RenderState.mProjectionMatrix.get()[5];
float invFocalLenX = tanHalfFovy * (mBuffers->GetSceneWidth() / (float)mBuffers->GetSceneHeight());
float invFocalLenY = tanHalfFovy;
float nDotVBias = clamp(bias, 0.0f, 1.0f);
float r2 = aoRadius * aoRadius;