3 files changed, 9 insertions, 16 deletions
diff --git a/progs/vpglsl/SConscript b/progs/vpglsl/SConscript
index 640c5dd847..787cb793af 100644
--- a/progs/vpglsl/SConscript
+++ b/progs/vpglsl/SConscript
@@ -1,13 +1,6 @@
-Import('env')
+Import('*')
 
-if not env['GLUT']:
-    Return()
-
-env = env.Clone()
-
-env.Prepend(LIBS = ['$GLUT_LIB'])
-
-env.Program(
+progs_env.Program(
         target = 'vp-tris',
         source = ['vp-tris.c'],
     )
diff --git a/progs/vpglsl/psiz-mul.glsl b/progs/vpglsl/psiz-mul.glsl
index 77f4a46b52..d2a90d8578 100644
--- a/progs/vpglsl/psiz-mul.glsl
+++ b/progs/vpglsl/psiz-mul.glsl
@@ -1,6 +1,6 @@
 
 void main() {
     gl_FrontColor = gl_Color;
-    gl_PointSize = 10 * gl_Color.x;
+    gl_PointSize = 10.0 * gl_Color.x;
     gl_Position = gl_Vertex;
 }
diff --git a/progs/vpglsl/vp-tris.c b/progs/vpglsl/vp-tris.c
index b2b0508091..6a1fa3d3bf 100644
--- a/progs/vpglsl/vp-tris.c
+++ b/progs/vpglsl/vp-tris.c
@@ -84,9 +84,9 @@ static void check_link(GLuint prog)
 static void setup_uniforms()
 {
    {
-      GLuint loc1f = glGetUniformLocationARB(program, "Offset1f");
-      GLuint loc2f = glGetUniformLocationARB(program, "Offset2f");
-      GLuint loc4f = glGetUniformLocationARB(program, "Offset4f");
+      GLint loc1f = glGetUniformLocationARB(program, "Offset1f");
+      GLint loc2f = glGetUniformLocationARB(program, "Offset2f");
+      GLint loc4f = glGetUniformLocationARB(program, "Offset4f");
       GLfloat vecKer[] =
          { 1.0, 0.0, 0.0,  1.0,
            0.0, 1.0, 0.0,  1.0,
@@ -105,9 +105,9 @@ static void setup_uniforms()
    }
 
    {
-      GLuint loc1f = glGetUniformLocationARB(program, "KernelValue1f");
-      GLuint loc2f = glGetUniformLocationARB(program, "KernelValue2f");
-      GLuint loc4f = glGetUniformLocationARB(program, "KernelValue4f");
+      GLint loc1f = glGetUniformLocationARB(program, "KernelValue1f");
+      GLint loc2f = glGetUniformLocationARB(program, "KernelValue2f");
+      GLint loc4f = glGetUniformLocationARB(program, "KernelValue4f");
       GLfloat vecKer[] =
          { 1.0, 0.0, 0.0,  0.25,
            0.0, 1.0, 0.0,  0.25,