Changeset 4322 for OpenSceneGraph/trunk/examples/osgmovie/osgmovie.cpp

Timestamp:

06/09/05 10:29:22 (8 years ago)

Author:

robert

Message:

Added texture2D shader source

Files:

• OpenSceneGraph/trunk/examples/osgmovie/osgmovie.cpp (modified) (2 diffs)

OpenSceneGraph/trunk/examples/osgmovie/osgmovie.cpp

@@ -260 +260 @@
         //useTextureRectangle = false;
         
-        static const char *shaderSource = {
+        static const char *shaderSourceTextureRec = {
             "uniform vec4 cutoff_color;\n"
             "uniform samplerRect movie_texture;"
@@ -270 +270 @@
             "}\n"
         };
+
+        static const char *shaderSourceTexture2D = {
+            "uniform vec4 cutoff_color;\n"
+            "uniform sampler2D movie_texture;"
+            "void main(void)\n"
+            "{\n"
+            "    vec4 texture_color = texture2D(movie_texture, gl_TexCoord[0]); \n"
+            "    if (all(lessThanEqual(texture_color,cutoff_color))) discard; \n"
+            "    gl_FragColor = texture_color;\n"
+            "}\n"
+        };
+
         osg::Program* program = new osg::Program;
-        program->addShader(new osg::Shader(osg::Shader::FRAGMENT,shaderSource));
+        
+        program->addShader(new osg::Shader(osg::Shader::FRAGMENT,
+                                           useTextureRectangle ? shaderSourceTextureRec : shaderSourceTexture2D));
 
         stateset->addUniform(new osg::Uniform("cutoff_color",osg::Vec4(0.1f,0.1f,0.1f,1.0f)));