From e9a08dc281c4599988d735085ef142c1ccd8e0cc Mon Sep 17 00:00:00 2001
From: hrydgard <hrydgard@gmail.com>
Date: Mon, 8 Jun 2009 20:29:20 +0000
Subject: [PATCH] Add vignette to bloom shader, for that NEXT GEN FEELING!!! :D
 (eh)

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@3382 8ced0084-cf51-0410-be5f-012b33b47a6e
---
 Data/User/Shaders/bad_bloom.txt               | 21 +++++++------------
 Source/Plugins/Plugin_VideoOGL/Src/Render.cpp |  8 +++----
 2 files changed, 11 insertions(+), 18 deletions(-)

diff --git a/Data/User/Shaders/bad_bloom.txt b/Data/User/Shaders/bad_bloom.txt
index 720786754a..1c73998f00 100644
--- a/Data/User/Shaders/bad_bloom.txt
+++ b/Data/User/Shaders/bad_bloom.txt
@@ -1,19 +1,8 @@
 uniform samplerRECT samp0 : register(s0);
 
-const float2 samples[8] = {
-  float2(-1.5, -1.5),
-  float2(-2.5, 0),
-  float2(-1.5, 1.5),
-  float2(0, 2.5),
-  float2(1.5, 1.5),
-  float2(2.5, 0),
-  float2(1.5, -1.5),
-  float2(0, -2.5),
-};
-
-void main(out float4 ocol0 : COLOR0, in float2 uv0 : TEXCOORD0)
+void main(out float4 ocol0 : COLOR0, in float2 uv0 : TEXCOORD0, in float2 uv1 : TEXCOORD1)
 {
-  float4 c_center = texRECT(samp0, uv0).rgba;
+  float4 c_center = texRECT(samp0, uv0.xy).rgba;
 
   float4 bloom_sum = float4(0.0, 0.0, 0.0, 0.0);
   uv0 += float2(0.3, 0.3);
@@ -41,5 +30,9 @@ void main(out float4 ocol0 : COLOR0, in float2 uv0 : TEXCOORD0)
   bloom_sum -= float4(0.3, 0.3, 0.3, 0.3);
   bloom_sum = max(bloom_sum, float4(0,0,0,0));
 
-  ocol0 = c_center * 0.7 + bloom_sum;
+  float2 vpos = (uv1 - float2(.5, .5)) * 2;
+  float dist = (dot(vpos, vpos));
+  dist = 1 - 0.4*dist;
+
+  ocol0 = (c_center * 0.7 + bloom_sum) * dist;
 }
diff --git a/Source/Plugins/Plugin_VideoOGL/Src/Render.cpp b/Source/Plugins/Plugin_VideoOGL/Src/Render.cpp
index 3227af85b9..2ab29c1ed1 100644
--- a/Source/Plugins/Plugin_VideoOGL/Src/Render.cpp
+++ b/Source/Plugins/Plugin_VideoOGL/Src/Render.cpp
@@ -961,10 +961,10 @@ void Renderer::Swap(const TRectangle& rc)
 		PostProcessing::ApplyShader();
 
 		glBegin(GL_QUADS);
-			glTexCoord2f(0,     v_min); glVertex2f(-1, -1);
-			glTexCoord2f(0,     v_max); glVertex2f(-1,  1);
-			glTexCoord2f(u_max, v_max); glVertex2f( 1,  1);
-			glTexCoord2f(u_max, v_min); glVertex2f( 1, -1);
+			glTexCoord2f(0,     v_min); glMultiTexCoord2fARB(GL_TEXTURE1, 0, 0); glVertex2f(-1, -1);
+			glTexCoord2f(0,     v_max); glMultiTexCoord2fARB(GL_TEXTURE1, 0, 1); glVertex2f(-1,  1);
+			glTexCoord2f(u_max, v_max); glMultiTexCoord2fARB(GL_TEXTURE1, 1, 1); glVertex2f( 1,  1);
+			glTexCoord2f(u_max, v_min); glMultiTexCoord2fARB(GL_TEXTURE1, 1, 0); glVertex2f( 1, -1);
 		glEnd();
 
 		glBindTexture(GL_TEXTURE_RECTANGLE_ARB, 0);