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LibSoftGPU: Remove OpenGL type for alpha blend factors

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Replaces the GLenum used for configuring alpha blend factors in the
SoftGPU device with out own enum.
This commit is contained in:
Stephan Unverwerth 2021-12-22 23:11:35 +01:00 • committed by Brian Gianforcaro
parent 40bd73bdef
commit c720cd00db
3 changed files with 60 additions and 16 deletions
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34
Userland/Libraries/LibGL/SoftwareGLContext.cpp
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@ -1130,9 +1130,39 @@ void SoftwareGLContext::gl_blend_func(GLenum src_factor, GLenum dst_factor)
m_blend_source_factor = src_factor;
m_blend_destination_factor = dst_factor;
auto map_gl_blend_factor_to_device = [](GLenum factor) constexpr
{
switch (factor) {
case GL_ZERO:
return SoftGPU::BlendFactor::Zero;
case GL_ONE:
return SoftGPU::BlendFactor::One;
case GL_SRC_ALPHA:
return SoftGPU::BlendFactor::SrcAlpha;
case GL_ONE_MINUS_SRC_ALPHA:
return SoftGPU::BlendFactor::OneMinusSrcAlpha;
case GL_SRC_COLOR:
return SoftGPU::BlendFactor::SrcColor;
case GL_ONE_MINUS_SRC_COLOR:
return SoftGPU::BlendFactor::OneMinusSrcColor;
case GL_DST_ALPHA:
return SoftGPU::BlendFactor::DstAlpha;
case GL_ONE_MINUS_DST_ALPHA:
return SoftGPU::BlendFactor::OneMinusDstAlpha;
case GL_DST_COLOR:
return SoftGPU::BlendFactor::DstColor;
case GL_ONE_MINUS_DST_COLOR:
return SoftGPU::BlendFactor::OneMinusDstColor;
case GL_SRC_ALPHA_SATURATE:
return SoftGPU::BlendFactor::SrcAlphaSaturate;
default:
VERIFY_NOT_REACHED();
}
};
auto options = m_rasterizer.options();
options.blend_source_factor = m_blend_source_factor;
options.blend_destination_factor = m_blend_destination_factor;
options.blend_source_factor = map_gl_blend_factor_to_device(m_blend_source_factor);
options.blend_destination_factor = map_gl_blend_factor_to_device(m_blend_destination_factor);
m_rasterizer.set_options(options);
}