From d34fd9341c61d13677e029cb187d4dacff5e44ea Mon Sep 17 00:00:00 2001
From: Normand Briere <nbriere@noware.ca>
Date: Fri, 26 Oct 2018 20:31:01 -0400
Subject: [PATCH] Much better AO.
---
CameraPane.java | 34 +++++++++++++++++++++++++++-------
1 files changed, 27 insertions(+), 7 deletions(-)
diff --git a/CameraPane.java b/CameraPane.java
index a1b29d7..f2d438e 100644
--- a/CameraPane.java
+++ b/CameraPane.java
@@ -15115,13 +15115,19 @@
gl.glFlush();
/**/
- gl.glReadPixels(0, 0, OCCLUSION_SIZE, OCCLUSION_SIZE, GL.GL_BGRA, GL.GL_UNSIGNED_INT_8_8_8_8_REV, occlusionsizebuffer);
+ gl.glReadPixels(0, 0, OCCLUSION_SIZE, OCCLUSION_SIZE, GL.GL_DEPTH_COMPONENT, GL.GL_FLOAT, occlusionsizebuffer);
- int[] pixels = occlusionsizebuffer.array();
+ float[] pixels = occlusionsizebuffer.array();
double r = 0, g = 0, b = 0;
double count = 0;
+
+ gl.glGetDoublev(gl.GL_PROJECTION_MATRIX, tempmat2, 0);
+
+ float mindepth = 1;
+
+ double FACTOR = 1;
for (int i = 0; i < pixels.length; i++)
{
@@ -15206,7 +15212,7 @@
double scale = ray.z; // 1; // cos
- int p = pixels[newindex];
+ float depth = pixels[newindex];
/*
int newindex2 = (x + 1) * OCCLUSION_SIZE + y;
@@ -15230,10 +15236,23 @@
scale = (1 - modu) * modv;
*/
- r += ((p >> 16) & 0xFF) * scale / 255;
- g += ((p >> 8) & 0xFF) * scale / 255;
- b += (p & 0xFF) * scale / 255;
+ //r += ((p >> 16) & 0xFF) * scale / 255;
+ //g += ((p >> 8) & 0xFF) * scale / 255;
+ //b += (p & 0xFF) * scale / 255;
+
+ if (mindepth > depth)
+ {
+ mindepth = depth;
+ }
+ double z_eye = tempmat2[3*4 + 2] / (depth * -2.0 + 1.0 - tempmat2[2*4 + 2]);
+
+ double factor = 1 - Math.exp(-z_eye * z_eye / FACTOR);
+
+ r += factor * scale;
+ g += factor * scale;
+ b += factor * scale;
+
count += scale;
}
@@ -15407,7 +15426,8 @@
static IntBuffer texturesizebuffer = IntBuffer.allocate(TEX_SIZE * TEX_SIZE);
static IntBuffer selectsizebuffer = IntBuffer.allocate(SELECT_SIZE * SELECT_SIZE);
static java.nio.FloatBuffer pointselectsizebuffer = java.nio.FloatBuffer.allocate(SELECT_SIZE * SELECT_SIZE);
- static IntBuffer occlusionsizebuffer = IntBuffer.allocate(OCCLUSION_SIZE * OCCLUSION_SIZE);
+ //static IntBuffer occlusionsizebuffer = IntBuffer.allocate(OCCLUSION_SIZE * OCCLUSION_SIZE);
+ static java.nio.FloatBuffer occlusionsizebuffer = java.nio.FloatBuffer.allocate(OCCLUSION_SIZE * OCCLUSION_SIZE);
static BufferedImage bufimage = new BufferedImage(TEX_SIZE, TEX_SIZE, BufferedImage.TYPE_INT_RGB);
static BufferedImage textest = new cBufferedImage(1, 1, BufferedImage.TYPE_INT_ARGB);
static java.util.Vector<BufferedImage> billboards = new java.util.Vector<BufferedImage>();
--
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