49 lines
1.1 KiB
C++
49 lines
1.1 KiB
C++
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#include "ltpch.h"
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#include "glBlender.h"
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#include <glad/glad.h>
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namespace Light {
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glBlender::glBlender()
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{
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m_FactorMap = {
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// constants
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{ BlendFactor::ZERO, GL_ZERO },
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{ BlendFactor::ONE, GL_ZERO },
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// source
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{ BlendFactor::SRC_COLOR, GL_SRC_COLOR },
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{ BlendFactor::INVERSE_SRC_COLOR, GL_ONE_MINUS_SRC_COLOR },
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{ BlendFactor::SRC_ALPHA, GL_SRC_ALPHA },
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{ BlendFactor::INVERSE_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA },
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// destination
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{ BlendFactor::DST_COLOR, GL_DST_COLOR },
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{ BlendFactor::INVERSE_DST_COLOR, GL_ONE_MINUS_DST_COLOR },
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{ BlendFactor::DST_ALPHA, GL_DST_ALPHA },
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{ BlendFactor::INVERSE_DST_ALPHA, GL_ONE_MINUS_DST_ALPHA },
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// source1
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{ BlendFactor::SRC1_COLOR, GL_SRC1_COLOR },
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{ BlendFactor::INVERSE_SRC1_COLOR, GL_ONE_MINUS_SRC1_COLOR },
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{ BlendFactor::SRC1_ALPHA, GL_SRC1_ALPHA },
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{ BlendFactor::INVERSE_SRC1_ALPHA, GL_ONE_MINUS_SRC_ALPHA }
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};
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}
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void glBlender::Enable(BlendFactor srcFactor, BlendFactor dstFactor)
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{
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glEnable(GL_BLEND);
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glBlendFunc(m_FactorMap[srcFactor], m_FactorMap[dstFactor]);
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}
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void glBlender::Disable()
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{
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glDisable(GL_BLEND);
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}
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}
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