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Vulran Rasterizer: address feedback.

master
Fernando Sahmkow 2021-10-17 03:49:18 +07:00
parent 60a3980561
commit ad8afaf1ef
1 changed files with 5 additions and 3 deletions
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8
src/video_core/renderer_vulkan/vk_rasterizer.cpp
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@ -633,10 +633,12 @@ void RasterizerVulkan::UpdateDepthBias(Tegra::Engines::Maxwell3D::Regs& regs) {
regs.zeta.format == Tegra::DepthFormat::D24S8_UNORM ||
regs.zeta.format == Tegra::DepthFormat::D24C8_UNORM;
if (is_d24 && !device.SupportsD24DepthBuffer()) {
const double f = static_cast<double>(1ULL << (32 - 24)) / (static_cast<double>(0x1.ep+127));
units = static_cast<float>(static_cast<double>(units) * f);
// the base formulas can be obtained from here:
// https://docs.microsoft.com/en-us/windows/win32/direct3d11/d3d10-graphics-programming-guide-output-merger-stage-depth-bias
const double rescale_factor =
static_cast<double>(1ULL << (32 - 24)) / (static_cast<double>(0x1.ep+127));
units = static_cast<float>(static_cast<double>(units) * rescale_factor);
}
scheduler.Record([constant = units, clamp = regs.polygon_offset_clamp,
factor = regs.polygon_offset_factor](vk::CommandBuffer cmdbuf) {
cmdbuf.SetDepthBias(constant, clamp, factor);