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LibGL+LibSoftGPU: Implement GL_POLYGON_OFFSET_FILL capability

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Jelle Raaijmakers 2022-01-19 22:49:52 +01:00 • committed by Andreas Kling
parent 991cbc56a2
commit 453f62c935
4 changed files with 17 additions and 2 deletions
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3
Userland/Libraries/LibSoftGPU/Device.cpp
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@ -413,7 +413,8 @@ void Device::rasterize_triangle(const Triangle& triangle)
quad.depth = interpolate(vertex0.window_coordinates.z(), vertex1.window_coordinates.z(), vertex2.window_coordinates.z(), quad.barycentrics);
// FIXME: Also apply depth_offset_factor which depends on the depth gradient
quad.depth += m_options.depth_offset_constant * NumericLimits<float>::epsilon();
if (m_options.depth_offset_enabled)
quad.depth += m_options.depth_offset_constant * NumericLimits<float>::epsilon();
i32x4 depth_test_passed;
switch (m_options.depth_func) {

1
Userland/Libraries/LibSoftGPU/Device.h
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@ -66,6 +66,7 @@ struct RasterizerOptions {
bool enable_color_write { true };
float depth_offset_factor { 0 };
float depth_offset_constant { 0 };
bool depth_offset_enabled { false };
bool enable_culling { false };
WindingOrder front_face { WindingOrder::CounterClockwise };
bool cull_back { true };