From c37de30cfc21cd6d742eed27a996a273f5ec2ca1 Mon Sep 17 00:00:00 2001
From: bunnei <bunneidev@gmail.com>
Date: Mon, 23 Nov 2015 20:26:09 -0500
Subject: gl_shader_gen: Implement fragment lighting fresnel effect.

---
 src/video_core/pica.h | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'src/video_core/pica.h')

diff --git a/src/video_core/pica.h b/src/video_core/pica.h
index 83af6a127..76db51038 100644
--- a/src/video_core/pica.h
+++ b/src/video_core/pica.h
@@ -713,12 +713,15 @@ struct Regs {
         }
     };
 
+    /// Returns true if the specified lighting sampler is supported by the current Pica lighting configuration
     static bool IsLightingSamplerSupported(LightingConfig config, LightingSampler sampler) {
         switch (sampler) {
         case LightingSampler::Distribution0:
             return (config != LightingConfig::Config1);
         case LightingSampler::Distribution1:
             return (config != LightingConfig::Config0) && (config != LightingConfig::Config1) && (config != LightingConfig::Config5);
+        case LightingSampler::Fresnel:
+            return (config != LightingConfig::Config0) && (config != LightingConfig::Config2) && (config != LightingConfig::Config4);
         }
         return false;
     }
@@ -761,6 +764,7 @@ struct Regs {
         BitField<0, 3, u32> src_num; // number of enabled lights - 1
 
         union {
+            BitField< 2, 2, LightingFresnelSelector> fresnel_selector;
             BitField< 4, 4, LightingConfig> config;
             BitField<27, 1, u32> clamp_highlights; // 1: GL_TRUE, 0: GL_FALSE
         };
@@ -768,6 +772,7 @@ struct Regs {
         union {
             BitField<16, 1, u32> lut_enable_d0; // 0: GL_TRUE, 1: GL_FALSE
             BitField<17, 1, u32> lut_enable_d1; // 0: GL_TRUE, 1: GL_FALSE
+            BitField<19, 1, u32> lut_enable_fr; // 0: GL_TRUE, 1: GL_FALSE
 
             // Each bit specifies whether distance attenuation should be applied for the
             // corresponding light
-- 
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