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maxwell_to_vk: Implement GL_CLAMP hacking Nvidia's driver

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Nvidia's driver defaults invalid enumerations to GL_CLAMP. Vulkan
doesn't expose GL_CLAMP through its API, but we can hack it on Nvidia's
driver using the internal driver defaults.
This commit is contained in:
ReinUsesLisp 2020-01-10 16:48:49 -03:00
parent 80436c1330
commit 3d46709b7f
3 changed files with 11 additions and 6 deletions
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9
src/video_core/renderer_vulkan/maxwell_to_vk.cpp
View File

@ -44,7 +44,7 @@ vk::SamplerMipmapMode MipmapMode(Tegra::Texture::TextureMipmapFilter mipmap_filt
return {};
}
vk::SamplerAddressMode WrapMode(Tegra::Texture::WrapMode wrap_mode,
vk::SamplerAddressMode WrapMode(const VKDevice& device, Tegra::Texture::WrapMode wrap_mode,
Tegra::Texture::TextureFilter filter) {
switch (wrap_mode) {
case Tegra::Texture::WrapMode::Wrap:
@ -56,7 +56,12 @@ vk::SamplerAddressMode WrapMode(Tegra::Texture::WrapMode wrap_mode,
case Tegra::Texture::WrapMode::Border:
return vk::SamplerAddressMode::eClampToBorder;
case Tegra::Texture::WrapMode::Clamp:
// TODO(Rodrigo): Emulate GL_CLAMP properly
if (device.GetDriverID() == vk::DriverIdKHR::eNvidiaProprietary) {
// Nvidia's Vulkan driver defaults to GL_CLAMP on invalid enumerations, we can hack this
// by sending an invalid enumeration.
return static_cast<vk::SamplerAddressMode>(0xcafe);
}
// TODO(Rodrigo): Emulate GL_CLAMP properly on other vendors
switch (filter) {
case Tegra::Texture::TextureFilter::Nearest:
return vk::SamplerAddressMode::eClampToEdge;

2
src/video_core/renderer_vulkan/maxwell_to_vk.h
View File

@ -22,7 +22,7 @@ vk::Filter Filter(Tegra::Texture::TextureFilter filter);
vk::SamplerMipmapMode MipmapMode(Tegra::Texture::TextureMipmapFilter mipmap_filter);
vk::SamplerAddressMode WrapMode(Tegra::Texture::WrapMode wrap_mode,
vk::SamplerAddressMode WrapMode(const VKDevice& device, Tegra::Texture::WrapMode wrap_mode,
Tegra::Texture::TextureFilter filter);
vk::CompareOp DepthCompareFunction(Tegra::Texture::DepthCompareFunc depth_compare_func);

6
src/video_core/renderer_vulkan/vk_sampler_cache.cpp
View File

@ -46,9 +46,9 @@ UniqueSampler VKSamplerCache::CreateSampler(const Tegra::Texture::TSCEntry& tsc)
{}, MaxwellToVK::Sampler::Filter(tsc.mag_filter),
MaxwellToVK::Sampler::Filter(tsc.min_filter),
MaxwellToVK::Sampler::MipmapMode(tsc.mipmap_filter),
MaxwellToVK::Sampler::WrapMode(tsc.wrap_u, tsc.mag_filter),
MaxwellToVK::Sampler::WrapMode(tsc.wrap_v, tsc.mag_filter),
MaxwellToVK::Sampler::WrapMode(tsc.wrap_p, tsc.mag_filter), tsc.GetLodBias(),
MaxwellToVK::Sampler::WrapMode(device, tsc.wrap_u, tsc.mag_filter),
MaxwellToVK::Sampler::WrapMode(device, tsc.wrap_v, tsc.mag_filter),
MaxwellToVK::Sampler::WrapMode(device, tsc.wrap_p, tsc.mag_filter), tsc.GetLodBias(),
has_anisotropy, max_anisotropy, tsc.depth_compare_enabled,
MaxwellToVK::Sampler::DepthCompareFunction(tsc.depth_compare_func), tsc.GetMinLod(),
tsc.GetMaxLod(), vk_border_color.value_or(vk::BorderColor::eFloatTransparentBlack),