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GPU/HW: Extend the UV range to all "upscaled" pixels

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Extend the UV range to all "upscaled" pixels. This means 1-pixel-high
polygon-based framebuffer effects won't be downsampled.

(e.g. Mega Man Legends 2 haze effect)
This commit is contained in:
Connor McLaughlin 2020-12-04 00:32:16 +10:00
parent 362905e3df
commit 59ac365b52
1 changed files with 4 additions and 1 deletions
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5
src/core/gpu_hw_shadergen.cpp
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@ -839,7 +839,10 @@ float4 SampleFromVRAM(uint4 texpage, float2 coords)
#if UV_LIMITS
float4 uv_limits = v_uv_limits;
#if !PALETTE
uv_limits *= float4(RESOLUTION_SCALE, RESOLUTION_SCALE, RESOLUTION_SCALE, RESOLUTION_SCALE);
// Extend the UV range to all "upscaled" pixels. This means 1-pixel-high polygon-based
// framebuffer effects won't be downsampled. (e.g. Mega Man Legends 2 haze effect)
uv_limits.xy *= float(RESOLUTION_SCALE);
uv_limits.zw = (uv_limits.zw * float(RESOLUTION_SCALE + 1)) - float(RESOLUTION_SCALE - 1);
#endif
#endif