21 lines
962 B
C
21 lines
962 B
C
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#pragma once
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#include "TransformUnit.h" // for VertexData
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// Contains fast-paths for rectangles. Mainly for use in DarkStalkers which requires software
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// rendering to work correctly, but will benefit other games as well.
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// It also handles a bypass for DarkStalkers to avoid first stretching the image to 480x272.
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// This greatly improves image quality and speeds things up a lot. Not happy about the grossness
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// of the hack but it's just a huge waste of CPU and image quality not to do it.
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// The long term goal is to get rid of the specializations by jitting, but it still makes
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// sense to specifically detect rectangles that do 1:1 texture mapping (like a sprite), because
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// the JIT will then be able to eliminate UV interpolation.
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namespace Rasterizer {
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// Returns true if the normal path should be skipped.
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bool RectangleFastPath(const VertexData &v0, const VertexData &v1);
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bool DetectRectangleFromThroughModeStrip(const VertexData data[4]);
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}
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