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LibGL: Implement glColorMask

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This commit is contained in:
Jesse Buhagiar 2021-08-13 22:03:39 +10:00 • committed by Linus Groh
parent fa8e9cb683
commit 8157e7740b
7 changed files with 41 additions and 3 deletions
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29
Userland/Libraries/LibGL/SoftwareGLContext.cpp
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@ -1694,6 +1694,35 @@ void SoftwareGLContext::read_from_vertex_attribute_pointer(VertexAttribPointer c
}
}
void SoftwareGLContext::gl_color_mask(GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha)
{
auto options = m_rasterizer.options();
auto mask = options.color_mask;
if (!red)
mask &= ~0x000000ff;
else
mask |= 0x000000ff;
if (!green)
mask &= ~0x0000ff00;
else
mask |= 0x0000ff00;
if (!blue)
mask &= ~0x00ff0000;
else
mask |= 0x00ff0000;
if (!alpha)
mask &= ~0xff000000;
else
mask |= 0xff000000;
options.color_mask = mask;
m_rasterizer.set_options(options);
}
void SoftwareGLContext::present()
{
m_rasterizer.blit_to(*m_frontbuffer);