compute_frame()

void MayaFlux::Nodes::GpuSync::ProceduralTextureNode::compute_frame ( )

overridevirtual

Compute frame - generate all pixels via generator function.

Implements MayaFlux::Nodes::GpuSync::GpuSync.

Definition at line 48 of file ProceduralTextureNode.cpp.

{
    if (!m_generator) {
        MF_RT_ERROR(Journal::Component::Nodes, Journal::Context::NodeProcessing,
            "ProceduralTextureNode: no generator function set");
        return;
    }
 
    auto buffer = get_pixel_buffer_mutable();
 
    for (uint32_t y = 0; y < m_height; ++y) {
        for (uint32_t x = 0; x < m_width; ++x) {
            size_t idx = (static_cast<size_t>(y * m_width + x)) * 4;
 
            glm::vec4 color = m_generator(x, y, m_width, m_height);
 
            buffer[idx + 0] = color.r;
            buffer[idx + 1] = color.g;
            buffer[idx + 2] = color.b;
            buffer[idx + 3] = color.a;
        }
    }
 
    m_pixel_data_dirty = true;
 
    MF_TRACE(Journal::Component::Nodes, Journal::Context::NodeProcessing,
        "ProceduralTextureNode: generated {}x{} pixels",
        m_width, m_height);
}

References MayaFlux::Nodes::GpuSync::TextureNode::get_pixel_buffer_mutable(), m_generator, MayaFlux::Nodes::GpuSync::TextureNode::m_height, MayaFlux::Nodes::GpuSync::TextureNode::m_pixel_data_dirty, MayaFlux::Nodes::GpuSync::TextureNode::m_width, MF_RT_ERROR, MF_TRACE, MayaFlux::Journal::NodeProcessing, and MayaFlux::Journal::Nodes.

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