FGFS-4.1/OpenSceneGraph
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Added texture2D shader source

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This commit is contained in:
Robert Osfield
2005-06-09 08:29:22 +00:00
parent ac02c37718
commit 119b528711
1 changed files with 16 additions and 2 deletions
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18
examples/osgmovie/osgmovie.cpp
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@@ -259,7 +259,7 @@ int main(int argc, char** argv)
{
//useTextureRectangle = false;
static const char *shaderSource = {
static const char *shaderSourceTextureRec = {
"uniform vec4 cutoff_color;\n"
"uniform samplerRect movie_texture;"
"void main(void)\n"
@@ -269,8 +269,22 @@ int main(int argc, char** argv)
" gl_FragColor = texture_color;\n"
"}\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)));
stateset->addUniform(new osg::Uniform("movie_texture",0));