add ltcgi, alpha multiplier

1 files changed, 87 insertions, 0 deletions

diff --git a/Third_Party/at.pimaker.ltcgi/Shaders/LTCGI_config.cginc b/Third_Party/at.pimaker.ltcgi/Shaders/LTCGI_config.cginc
new file mode 100644
index 0000000..91f6751
--- /dev/null
+++ b/Third_Party/at.pimaker.ltcgi/Shaders/LTCGI_config.cginc
@@ -0,0 +1,87 @@
+#ifndef LTCGI_CONFIG_INCLUDED
+#define LTCGI_CONFIG_INCLUDED
+
+// Feel free to enable or disable (//) the options here.
+// They will apply to all LTCGI materials in the project.
+// Most of these can be changed in the LTCGI_Controller editor as well.
+
+/// No specular at all.
+//#define LTCGI_SPECULAR_OFF
+/// No diffuse at all.
+//#define LTCGI_DIFFUSE_OFF
+/// Disable the ability to toggle specular/diffuse on or off per screen.
+#define LTCGI_TOGGLEABLE_SPEC_DIFF_OFF
+
+/// Only use LTC diffuse mode, never lightmapped diffuse.
+/// This disables lightmaps entirely.
+#define LTCGI_ALWAYS_LTC_DIFFUSE
+
+/// Double-sample screen texture for diffuse lighting to smooth resulting lighting
+/// a bit more with global screen color data. Slight performance cost.
+//#define LTCGI_BLENDED_DIFFUSE_SAMPLING
+
+/// Disable extra specular detail LUT, saves a sampler.
+#define LTCGI_DISABLE_LUT2
+
+/// Use bicubic filtering for LTCGI lightmap. Recommended on.
+#define LTCGI_BICUBIC_LIGHTMAP
+
+/// Lightmap values below this will be treated as black for specular/LTC diffuse.
+#define LTCGI_LIGHTMAP_CUTOFF 0.1
+/// Lightmap values above this (plus cutoff) will be treated as white.
+#define LTCGI_SPECULAR_LIGHTMAP_STEP 0.3
+
+/// Distance multiplier for calculating blur amount.
+/// Increase to make reflections blurrier faster as distance increases.
+#define LTCGI_UV_BLUR_DISTANCE 333
+
+/// Fall back to LTC diffuse (from LM diffuse) on objects that are not marked static.
+#define LTCGI_LTC_DIFFUSE_FALLBACK
+
+/// Approximation to ignore diffuse light for far away
+/// lights, increase MULT or disable if you notice artifacting
+#define LTCGI_DISTANCE_FADE_APPROX
+/// Distance at which diffuse from screens will be ignored.
+#define LTCGI_DISTANCE_FADE_APPROX_MULT 50
+
+
+// disabled editor from here on out
+///
+
+
+// automatically kept in sync with LTCGI_Controller.cs
+#define MAX_SOURCES 16
+
+// set according to the LUT specified on CONTROLLER
+#define LUT_SIZE 256
+static float LUT_SCALE = (LUT_SIZE - 1.0)/LUT_SIZE;
+const float LUT_BIAS = 0.5/LUT_SIZE;
+
+// will be set automatically if audiolink is available and in use
+//#define LTCGI_AUDIOLINK
+
+#ifdef LTCGI_AUDIOLINK
+#ifndef AUDIOLINK_WIDTH
+#ifndef AUDIOLINK_CGINC_INCLUDED
+#include "LTCGI_AudioLinkNoOp.cginc"
+#define AUDIOLINK_CGINC_INCLUDED
+#endif
+#endif
+#endif
+
+// Bake screen data into texture for better performance. Disables moveable screens.
+#define LTCGI_STATIC_UNIFORMS
+
+// Allow statically textured lights.
+#define LTCGI_STATIC_TEXTURES
+
+// Enable support for cylindrical screens.
+//#define LTCGI_CYLINDER
+
+// Activate avatar mode, which overrides certain configs from above.
+//#define LTCGI_AVATAR_MODE
+
+// Slightly simplified and thus faster sampling for reflections at the cost of quality.
+//#define LTCGI_FAST_SAMPLING
+
+#endif