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Renderer: Add proper support for blending

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This commit is contained in:
Jérôme Leclercq
2021-05-14 01:50:46 +02:00
parent 61dbd91346
commit adbf1e1da0
13 changed files with 207 additions and 99 deletions
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22
src/Nazara/OpenGLRenderer/Wrapper/Context.cpp
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@@ -439,12 +439,24 @@ namespace Nz::GL
if (renderStates.blending)
{
if (m_state.renderStates.dstBlend != renderStates.dstBlend ||
m_state.renderStates.srcBlend != renderStates.srcBlend)
auto& currentBlend = m_state.renderStates.blend;
const auto& targetBlend = renderStates.blend;
if (currentBlend.modeColor != targetBlend.modeColor || currentBlend.modeAlpha != targetBlend.modeAlpha)
{
glBlendFunc(ToOpenGL(renderStates.srcBlend), ToOpenGL(renderStates.dstBlend));
m_state.renderStates.dstBlend = renderStates.dstBlend;
m_state.renderStates.srcBlend = renderStates.srcBlend;
glBlendEquationSeparate(ToOpenGL(targetBlend.modeColor), ToOpenGL(targetBlend.modeAlpha));
currentBlend.modeAlpha = targetBlend.modeAlpha;
currentBlend.modeColor = targetBlend.modeColor;
}
if (currentBlend.dstAlpha != targetBlend.dstAlpha || currentBlend.dstColor != targetBlend.dstColor ||
currentBlend.srcAlpha != targetBlend.srcAlpha || currentBlend.srcColor != targetBlend.srcColor)
{
glBlendFuncSeparate(ToOpenGL(targetBlend.srcColor), ToOpenGL(targetBlend.dstColor), ToOpenGL(targetBlend.srcAlpha), ToOpenGL(targetBlend.dstAlpha));
currentBlend.dstAlpha = targetBlend.dstAlpha;
currentBlend.dstColor = targetBlend.dstColor;
currentBlend.srcAlpha = targetBlend.srcAlpha;
currentBlend.srcColor = targetBlend.srcColor;
}
}