Method colormap_impl

src/backend/opengl/colormap_impl.cpp:24–55

{

colormap_impl::colormap_impl()
    :mDefaultMapBuffer(0), mSpecMapBuffer(0), mRainbowMapBuffer(0),
    mRedMapBuffer(0), mMoodMapBuffer(0), mHeatMapBuffer(0),
    mBlueMapBuffer(0)
{
    using namespace forge::common;

    size_t channel_bytes = sizeof(float)*4; /* 4 is for 4 channels */
    mDefMapLen     = (GLuint)(sizeof(cmap_default)  / channel_bytes);
    mSpecMapLen    = (GLuint)(sizeof(cmap_spectrum) / channel_bytes);
    mRainbowMapLen = (GLuint)(sizeof(cmap_rainbow)   / channel_bytes);
    mRedMapLen     = (GLuint)(sizeof(cmap_red)      / channel_bytes);
    mMoodMapLen    = (GLuint)(sizeof(cmap_mood)     / channel_bytes);
    mHeatMapLen    = (GLuint)(sizeof(cmap_heat)     / channel_bytes);
    mBlueMapLen    = (GLuint)(sizeof(cmap_blue)     / channel_bytes);
    mInfernoMapLen = (GLuint)(sizeof(cmap_inferno)  / channel_bytes);
    mMagmaMapLen   = (GLuint)(sizeof(cmap_magma)    / channel_bytes);
    mPlasmaMapLen  = (GLuint)(sizeof(cmap_plasma)   / channel_bytes);
    mViridisMapLen = (GLuint)(sizeof(cmap_viridis)  / channel_bytes);

    mDefaultMapBuffer = CREATE_UNIFORM_BUFFER(cmap_default, mDefMapLen);
    mSpecMapBuffer    = CREATE_UNIFORM_BUFFER(cmap_spectrum, mSpecMapLen);
    mRainbowMapBuffer = CREATE_UNIFORM_BUFFER(cmap_rainbow, mRainbowMapLen);
    mRedMapBuffer     = CREATE_UNIFORM_BUFFER(cmap_red, mRedMapLen);
    mMoodMapBuffer    = CREATE_UNIFORM_BUFFER(cmap_mood, mMoodMapLen);
    mHeatMapBuffer    = CREATE_UNIFORM_BUFFER(cmap_heat, mHeatMapLen);
    mBlueMapBuffer    = CREATE_UNIFORM_BUFFER(cmap_blue, mBlueMapLen);
    mInfernoMapBuffer = CREATE_UNIFORM_BUFFER(cmap_inferno, mInfernoMapLen);
    mMagmaMapBuffer   = CREATE_UNIFORM_BUFFER(cmap_magma, mMagmaMapLen);
    mPlasmaMapBuffer  = CREATE_UNIFORM_BUFFER(cmap_plasma, mPlasmaMapLen);
    mViridisMapBuffer = CREATE_UNIFORM_BUFFER(cmap_viridis, mViridisMapLen);
}

colormap_impl::~colormap_impl()
{