From 2d496bfebc010f26d65dd5e3a3c4a8170919cf0a Mon Sep 17 00:00:00 2001
From: Romain Guy <romainguy@android.com>
Date: Fri, 4 Sep 2009 17:55:41 -0700
Subject: [PATCH] Fix point sprites.

Change-Id: Ic9438daaf25f3969a0dd5b634b7cceccbbbfb27b
---
 libs/rs/rsProgramFragment.cpp | 5 +++++
 libs/rs/rsScriptC_Lib.cpp     | 8 ++++++++
 2 files changed, 13 insertions(+)

diff --git a/libs/rs/rsProgramFragment.cpp b/libs/rs/rsProgramFragment.cpp
index 0adce75cb430b..6cf64a4ecf33f 100644
--- a/libs/rs/rsProgramFragment.cpp
+++ b/libs/rs/rsProgramFragment.cpp
@@ -56,6 +56,11 @@ void ProgramFragment::setupGL(const Context *rsc, ProgramFragmentState *state)
 
         glEnable(GL_TEXTURE_2D);
         if (rsc->checkVersion1_1()) {
+            if (mPointSpriteEnable) {
+                glEnable(GL_POINT_SPRITE_OES);
+            } else {
+                glDisable(GL_POINT_SPRITE_OES);
+            }
             glTexEnvi(GL_POINT_SPRITE_OES, GL_COORD_REPLACE_OES, mPointSpriteEnable);
         }
         glBindTexture(GL_TEXTURE_2D, mTextures[ct]->getTextureID());
diff --git a/libs/rs/rsScriptC_Lib.cpp b/libs/rs/rsScriptC_Lib.cpp
index 5b19f178db0ae..d10076b2db0ca 100644
--- a/libs/rs/rsScriptC_Lib.cpp
+++ b/libs/rs/rsScriptC_Lib.cpp
@@ -800,6 +800,12 @@ static void SC_shininess(float s)
     glMaterialf(GL_FRONT_AND_BACK, GL_SHININESS, s);
 }
 
+static void SC_pointAttenuation(float a, float b, float c)
+{
+    GLfloat params[] = { a, b, c };
+    glPointParameterfv(GL_POINT_DISTANCE_ATTENUATION, params);
+}
+
 static void SC_hsbToRgb(float h, float s, float b, float* rgb)
 {
     float red = 0.0f;
@@ -1185,6 +1191,8 @@ ScriptCState::SymbolTable_t ScriptCState::gSyms[] = {
         "void", "(float, float, float, float)" },
     { "shininess", (void *)&SC_shininess,
         "void", "(float)" },
+    { "pointAttenuation", (void *)&SC_pointAttenuation,
+        "void", "(float, float, float)" },
 
     { "uploadToTexture", (void *)&SC_uploadToTexture,
         "void", "(int, int)" },