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VideoCommon: Add option to use old behavior (Fast Texture Sampling)

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Co-authored-by: JosJuice <josjuice@gmail.com>
This commit is contained in:
Pokechu22
2021-07-29 17:43:35 -07:00
parent ee80298ca4
commit 93eea7cb13
12 changed files with 46 additions and 1 deletions
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16
Source/Core/VideoCommon/PixelShaderGen.cpp
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@ -537,6 +537,7 @@ void UpdateBoundingBox(float2 rawpos) {{
fmt::arg("efb_height", EFB_HEIGHT), fmt::arg("efb_scale", I_EFBSCALE));
}
if (host_config.manual_texture_sampling)
{
if (api_type == APIType::OpenGL || api_type == APIType::Vulkan)
{
@ -596,6 +597,21 @@ uint WrapCoord(int coord, uint wrap, int size) {{
"int2 uv, int layer) {{\n");
}
if (!host_config.manual_texture_sampling)
{
out.Write(" float size_s = float(" I_TEXDIMS "[texmap].x * 128);\n"
" float size_t = float(" I_TEXDIMS "[texmap].y * 128);\n"
" float3 coords = float3(float(uv.x) / size_s, float(uv.y) / size_t, layer);\n");
if (api_type == APIType::OpenGL || api_type == APIType::Vulkan)
{
out.Write(" return iround(255.0 * texture(tex, coords));\n}}\n");
}
else if (api_type == APIType::D3D)
{
out.Write(" return iround(255.0 * tex.Sample(tex_samp, coords));\n}}\n");
}
}
else
{
out.Write(R"(
uint texmode0 = samp_texmode0(texmap);