gamnit: intro UniformInt

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>

diff --git a/lib/gamnit/programs.nit b/lib/gamnit/programs.nit
index 6859c76..fc02530 100644 (file)
--- a/lib/gamnit/programs.nit
+++ b/lib/gamnit/programs.nit
@@ -162,6 +162,14 @@ class UniformBool
        fun uniform(val: Bool) do uniform_1i(location, if val then 1 else 0)
 end
 
+# Shader uniform of GLSL type `int`
+class UniformInt
+       super Uniform
+
+       # Set this uniform value
+       fun uniform(val: Int) do uniform_1i(location, val)
+end
+
 # Shader uniform of GLSL type `vec4`
 class UniformFloat
        super Uniform
@@ -230,6 +238,7 @@ end
 class InactiveUniform
        super InactiveVariable
        super UniformBool
+       super UniformInt
        super UniformFloat
        super UniformSampler2D
        super UniformVec2
@@ -408,6 +417,8 @@ abstract class GamnitProgram
                        var uniform
                        if typ == gl_BOOL then
                                uniform = new UniformBool(gl_program, name, location, size)
+                       else if typ == gl_INT then
+                               uniform = new UniformInt(gl_program, name, location, size)
                        else if typ == gl_SAMPLER_2D then
                                uniform = new UniformSampler2D(gl_program, name, location, size)
                        else if typ == gl_FLOAT then