explicit XfbInterleavedShader() {
#ifndef MAGNUM_TARGET_GLES
Shader vert(Version::GL300, Shader::Type::Vertex);
#else
Shader vert(Version::GLES300, Shader::Type::Vertex);
Shader frag(Version::GLES300, Shader::Type::Fragment);
#endif
CORRADE_INTERNAL_ASSERT_OUTPUT(vert.addSource(
"in mediump vec2 inputData;\n"
"out mediump vec2 output1;\n"
"out mediump float output2;\n"
"void main() {\n"
" output1 = inputData + vec2(1.0, -1.0);\n"
" output2 = inputData.x - inputData.y + 5.0;\n"
"}\n").compile());
#ifndef MAGNUM_TARGET_GLES
attachShader(vert);
#else
/* ES for some reason needs both vertex and fragment shader */
CORRADE_INTERNAL_ASSERT_OUTPUT(frag.addSource("void main() {}\n").compile());
attachShaders({vert, frag});
#endif
bindAttributeLocation(Input::Location, "inputData");
setTransformFeedbackOutputs({"output1", "gl_SkipComponents1", "output2"}, TransformFeedbackBufferMode::InterleavedAttributes);
CORRADE_INTERNAL_ASSERT_OUTPUT(link());
}
explicit MyShader() {
#ifndef MAGNUM_TARGET_GLES
Shader vert(Version::GL300, Shader::Type::Vertex);
#else
Shader vert(Version::GLES300, Shader::Type::Vertex);
Shader frag(Version::GLES300, Shader::Type::Fragment);
#endif
CORRADE_INTERNAL_ASSERT_OUTPUT(vert.addSource(
"out mediump vec2 outputData;\n"
"void main() {\n"
" outputData = vec2(1.0, -1.0);\n"
"}\n").compile());
#ifndef MAGNUM_TARGET_GLES
attachShader(vert);
#else
/* ES for some reason needs both vertex and fragment shader */
CORRADE_INTERNAL_ASSERT_OUTPUT(frag.addSource("void main() {}\n").compile());
attachShaders({vert, frag});
#endif
setTransformFeedbackOutputs({"outputData"}, TransformFeedbackBufferMode::SeparateAttributes);
CORRADE_INTERNAL_ASSERT_OUTPUT(link());
}
