From bf89870437ebb0d983cfc20c3ac0490169f59f44 Mon Sep 17 00:00:00 2001
From: bunnei <bunneidev@gmail.com>
Date: Sat, 14 Nov 2015 23:23:08 -0500
Subject: renderer_opengl: Initial implementation of basic specular lighting.

---
 src/video_core/renderer_opengl/gl_rasterizer.cpp | 68 ++++++++++++++++++++++++
 1 file changed, 68 insertions(+)

(limited to 'src/video_core/renderer_opengl/gl_rasterizer.cpp')

diff --git a/src/video_core/renderer_opengl/gl_rasterizer.cpp b/src/video_core/renderer_opengl/gl_rasterizer.cpp
index 80693fa29..c6fb37c53 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer.cpp
+++ b/src/video_core/renderer_opengl/gl_rasterizer.cpp
@@ -297,6 +297,58 @@ void RasterizerOpenGL::NotifyPicaRegisterChanged(u32 id) {
         SyncCombinerColor();
         break;
 
+    // Fragment lighting specular 0 color
+    case PICA_REG_INDEX_WORKAROUND(lighting.light[0].specular_0, 0x140 + 0 * 0x10):
+        SyncLightSpecular0(0);
+        break;
+    case PICA_REG_INDEX_WORKAROUND(lighting.light[1].specular_0, 0x140 + 1 * 0x10):
+        SyncLightSpecular0(1);
+        break;
+    case PICA_REG_INDEX_WORKAROUND(lighting.light[2].specular_0, 0x140 + 2 * 0x10):
+        SyncLightSpecular0(2);
+        break;
+    case PICA_REG_INDEX_WORKAROUND(lighting.light[3].specular_0, 0x140 + 3 * 0x10):
+        SyncLightSpecular0(3);
+        break;
+    case PICA_REG_INDEX_WORKAROUND(lighting.light[4].specular_0, 0x140 + 4 * 0x10):
+        SyncLightSpecular0(4);
+        break;
+    case PICA_REG_INDEX_WORKAROUND(lighting.light[5].specular_0, 0x140 + 5 * 0x10):
+        SyncLightSpecular0(5);
+        break;
+    case PICA_REG_INDEX_WORKAROUND(lighting.light[6].specular_0, 0x140 + 6 * 0x10):
+        SyncLightSpecular0(6);
+        break;
+    case PICA_REG_INDEX_WORKAROUND(lighting.light[7].specular_0, 0x140 + 7 * 0x10):
+        SyncLightSpecular0(7);
+        break;
+
+    // Fragment lighting specular 1 color
+    case PICA_REG_INDEX_WORKAROUND(lighting.light[0].specular_1, 0x141 + 0 * 0x10):
+        SyncLightSpecular1(0);
+        break;
+    case PICA_REG_INDEX_WORKAROUND(lighting.light[1].specular_1, 0x141 + 1 * 0x10):
+        SyncLightSpecular1(1);
+        break;
+    case PICA_REG_INDEX_WORKAROUND(lighting.light[2].specular_1, 0x141 + 2 * 0x10):
+        SyncLightSpecular1(2);
+        break;
+    case PICA_REG_INDEX_WORKAROUND(lighting.light[3].specular_1, 0x141 + 3 * 0x10):
+        SyncLightSpecular1(3);
+        break;
+    case PICA_REG_INDEX_WORKAROUND(lighting.light[4].specular_1, 0x141 + 4 * 0x10):
+        SyncLightSpecular1(4);
+        break;
+    case PICA_REG_INDEX_WORKAROUND(lighting.light[5].specular_1, 0x141 + 5 * 0x10):
+        SyncLightSpecular1(5);
+        break;
+    case PICA_REG_INDEX_WORKAROUND(lighting.light[6].specular_1, 0x141 + 6 * 0x10):
+        SyncLightSpecular1(6);
+        break;
+    case PICA_REG_INDEX_WORKAROUND(lighting.light[7].specular_1, 0x141 + 7 * 0x10):
+        SyncLightSpecular1(7);
+        break;
+
     // Fragment lighting diffuse color
     case PICA_REG_INDEX_WORKAROUND(lighting.light[0].diffuse, 0x142 + 0 * 0x10):
         SyncLightDiffuse(0);
@@ -835,6 +887,22 @@ void RasterizerOpenGL::SyncLightingLUT(unsigned lut_index) {
     }
 }
 
+void RasterizerOpenGL::SyncLightSpecular0(int light_index) {
+    auto color = PicaToGL::LightColor(Pica::g_state.regs.lighting.light[light_index].specular_0);
+    if (color != uniform_block_data.data.light_src[light_index].specular_0) {
+        uniform_block_data.data.light_src[light_index].specular_0 = color;
+        uniform_block_data.dirty = true;
+    }
+}
+
+void RasterizerOpenGL::SyncLightSpecular1(int light_index) {
+    auto color = PicaToGL::LightColor(Pica::g_state.regs.lighting.light[light_index].specular_1);
+    if (color != uniform_block_data.data.light_src[light_index].specular_1) {
+        uniform_block_data.data.light_src[light_index].specular_1 = color;
+        uniform_block_data.dirty = true;
+    }
+}
+
 void RasterizerOpenGL::SyncLightDiffuse(int light_index) {
     auto color = PicaToGL::LightColor(Pica::g_state.regs.lighting.light[light_index].diffuse);
     if (color != uniform_block_data.data.light_src[light_index].diffuse) {
-- 
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