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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
commit c720cd00db
Notes: sideshowbarker 2024-07-17 22:15:37 +09:00
3 changed files with 60 additions and 16 deletions
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24
Userland/Libraries/LibSoftGPU/Device.cpp
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@ -60,7 +60,7 @@ static Gfx::IntRect scissor_box_to_window_coordinates(Gfx::IntRect const& scisso
return scissor_box.translated(0, window_rect.height() - 2 * scissor_box.y() - scissor_box.height());
}
static constexpr void setup_blend_factors(GLenum mode, FloatVector4& constant, float& src_alpha, float& dst_alpha, float& src_color, float& dst_color)
static constexpr void setup_blend_factors(BlendFactor mode, FloatVector4& constant, float& src_alpha, float& dst_alpha, float& src_color, float& dst_color)
{
constant = { 0.0f, 0.0f, 0.0f, 0.0f };
src_alpha = 0;
@ -69,40 +69,40 @@ static constexpr void setup_blend_factors(GLenum mode, FloatVector4& constant, f
dst_color = 0;
switch (mode) {
case GL_ZERO:
case BlendFactor::Zero:
break;
case GL_ONE:
case BlendFactor::One:
constant = { 1.0f, 1.0f, 1.0f, 1.0f };
break;
case GL_SRC_COLOR:
case BlendFactor::SrcColor:
src_color = 1;
break;
case GL_ONE_MINUS_SRC_COLOR:
case BlendFactor::OneMinusSrcColor:
constant = { 1.0f, 1.0f, 1.0f, 1.0f };
src_color = -1;
break;
case GL_SRC_ALPHA:
case BlendFactor::SrcAlpha:
src_alpha = 1;
break;
case GL_ONE_MINUS_SRC_ALPHA:
case BlendFactor::OneMinusSrcAlpha:
constant = { 1.0f, 1.0f, 1.0f, 1.0f };
src_alpha = -1;
break;
case GL_DST_ALPHA:
case BlendFactor::DstAlpha:
dst_alpha = 1;
break;
case GL_ONE_MINUS_DST_ALPHA:
case BlendFactor::OneMinusDstAlpha:
constant = { 1.0f, 1.0f, 1.0f, 1.0f };
dst_alpha = -1;
break;
case GL_DST_COLOR:
case BlendFactor::DstColor:
dst_color = 1;
break;
case GL_ONE_MINUS_DST_COLOR:
case BlendFactor::OneMinusDstColor:
constant = { 1.0f, 1.0f, 1.0f, 1.0f };
dst_color = -1;
break;
case GL_SRC_ALPHA_SATURATE:
case BlendFactor::SrcAlphaSaturate:
// FIXME: How do we implement this?
break;
default: