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VideoBackends: Move SamplerState to common

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This commit is contained in:
Stenzek
2017-09-09 18:30:15 +10:00
parent 340aabbb06
commit 24ddea04ce
21 changed files with 352 additions and 401 deletions
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82
Source/Core/VideoCommon/RenderState.cpp
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@ -3,6 +3,9 @@
// Refer to the license.txt file included.
#include "VideoCommon/RenderState.h"
#include <algorithm>
#include <array>
#include "VideoCommon/SamplerCommon.h"
void RasterizationState::Generate(const BPMemory& bp, PrimitiveType primitive_type)
{
@ -14,6 +17,12 @@ void RasterizationState::Generate(const BPMemory& bp, PrimitiveType primitive_ty
cullmode = GenMode::CULL_NONE;
}
RasterizationState& RasterizationState::operator=(const RasterizationState& rhs)
{
hex = rhs.hex;
return *this;
}
void DepthState::Generate(const BPMemory& bp)
{
testenable = bp.zmode.testenable.Value();
@ -21,6 +30,12 @@ void DepthState::Generate(const BPMemory& bp)
func = bp.zmode.func.Value();
}
DepthState& DepthState::operator=(const DepthState& rhs)
{
hex = rhs.hex;
return *this;
}
// If the framebuffer format has no alpha channel, it is assumed to
// ONE on blending. As the backends may emulate this framebuffer
// configuration with an alpha channel, we just drop all references
@ -145,6 +160,43 @@ void BlendingState::Generate(const BPMemory& bp)
}
}
BlendingState& BlendingState::operator=(const BlendingState& rhs)
{
hex = rhs.hex;
return *this;
}
void SamplerState::Generate(const BPMemory& bp, u32 index)
{
const FourTexUnits& tex = bpmem.tex[index / 4];
const TexMode0& tm0 = tex.texMode0[index % 4];
const TexMode1& tm1 = tex.texMode1[index % 4];
// GX can configure the mip filter to none. However, D3D and Vulkan can't express this in their
// sampler states. Therefore, we set the min/max LOD to zero if this option is used.
min_filter = (tm0.min_filter & 4) != 0 ? Filter::Linear : Filter::Point;
mipmap_filter = (tm0.min_filter & 3) == TexMode0::TEXF_LINEAR ? Filter::Linear : Filter::Point;
mag_filter = tm0.mag_filter != 0 ? Filter::Linear : Filter::Point;
// If mipmaps are disabled, clamp min/max lod
max_lod = SamplerCommon::AreBpTexMode0MipmapsEnabled(tm0) ? tm1.max_lod : 0;
min_lod = std::min(max_lod.Value(), tm1.min_lod);
lod_bias = SamplerCommon::AreBpTexMode0MipmapsEnabled(tm0) ? tm0.lod_bias : 0;
// Address modes
static constexpr std::array<AddressMode, 4> address_modes = {
{AddressMode::Clamp, AddressMode::Repeat, AddressMode::MirroredRepeat, AddressMode::Repeat}};
wrap_u = address_modes[tm0.wrap_s];
wrap_v = address_modes[tm0.wrap_t];
anisotropic_filtering = 0;
}
SamplerState& SamplerState::operator=(const SamplerState& rhs)
{
hex = rhs.hex;
return *this;
}
namespace RenderState
{
RasterizationState GetNoCullRasterizationState()
@ -177,4 +229,34 @@ BlendingState GetNoBlendingBlendState()
state.alphaupdate = true;
return state;
}
SamplerState GetPointSamplerState()
{
SamplerState state = {};
state.min_filter = SamplerState::Filter::Point;
state.mag_filter = SamplerState::Filter::Point;
state.mipmap_filter = SamplerState::Filter::Point;
state.wrap_u = SamplerState::AddressMode::Clamp;
state.wrap_v = SamplerState::AddressMode::Clamp;
state.min_lod = 0;
state.max_lod = 255;
state.lod_bias = 0;
state.anisotropic_filtering = false;
return state;
}
SamplerState GetLinearSamplerState()
{
SamplerState state = {};
state.min_filter = SamplerState::Filter::Linear;
state.mag_filter = SamplerState::Filter::Linear;
state.mipmap_filter = SamplerState::Filter::Linear;
state.wrap_u = SamplerState::AddressMode::Clamp;
state.wrap_v = SamplerState::AddressMode::Clamp;
state.min_lod = 0;
state.max_lod = 255;
state.lod_bias = 0;
state.anisotropic_filtering = false;
return state;
}
}