build_color_blend_state()

vk::PipelineColorBlendStateCreateInfo MayaFlux::Core::VKGraphicsPipeline::build_color_blend_state ( const GraphicsPipelineConfig &  config, std::vector< vk::PipelineColorBlendAttachmentState > &  attachments  )

private

Build color blend state.

Definition at line 548 of file VKGraphicsPipeline.cpp.

{
    for (const auto& config_attachment : config.color_blend_attachments) {
        vk::PipelineColorBlendAttachmentState attachment;
        attachment.blendEnable = config_attachment.blend_enable;
        attachment.srcColorBlendFactor = config_attachment.src_color_blend_factor;
        attachment.dstColorBlendFactor = config_attachment.dst_color_blend_factor;
        attachment.colorBlendOp = config_attachment.color_blend_op;
        attachment.srcAlphaBlendFactor = config_attachment.src_alpha_blend_factor;
        attachment.dstAlphaBlendFactor = config_attachment.dst_alpha_blend_factor;
        attachment.alphaBlendOp = config_attachment.alpha_blend_op;
        attachment.colorWriteMask = config_attachment.color_write_mask;
        attachments.push_back(attachment);
    }
 
    vk::PipelineColorBlendStateCreateInfo color_blend;
    color_blend.logicOpEnable = config.logic_op_enable;
    color_blend.logicOp = config.logic_op;
    color_blend.attachmentCount = static_cast<uint32_t>(attachments.size());
    color_blend.pAttachments = attachments.empty() ? nullptr : attachments.data();
    color_blend.blendConstants[0] = config.blend_constants[0];
    color_blend.blendConstants[1] = config.blend_constants[1];
    color_blend.blendConstants[2] = config.blend_constants[2];
    color_blend.blendConstants[3] = config.blend_constants[3];
 
    return color_blend;
}

References MayaFlux::Core::GraphicsPipelineConfig::blend_constants, MayaFlux::Core::GraphicsPipelineConfig::color_blend_attachments, MayaFlux::Core::GraphicsPipelineConfig::logic_op, and MayaFlux::Core::GraphicsPipelineConfig::logic_op_enable.

Referenced by create().

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