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VertexShaderGen: Use reversed depth range.

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This commit is contained in:
Jules Blok
2016-08-06 03:40:45 +02:00
parent e9e81ece65
commit 4582853af4
3 changed files with 8 additions and 5 deletions
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7
Source/Core/VideoCommon/VertexShaderManager.cpp
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@ -387,9 +387,12 @@ void VertexShaderManager::SetConstants()
constants.pixelcentercorrection[0] = pixel_center_correction * pixel_size_x;
constants.pixelcentercorrection[1] = pixel_center_correction * pixel_size_y;
// The depth range is handled in the vertex shader.
// The depth range is handled in the vertex shader. We need to reverse
// the far value to get a reversed depth range mapping. This is necessary
// because we have the most precision at the near plane, while the console
// has the most percision at the far plane.
constants.pixelcentercorrection[2] = xfmem.viewport.zRange / 16777215.0f;
constants.pixelcentercorrection[3] = xfmem.viewport.farZ / 16777215.0f;
constants.pixelcentercorrection[3] = 1.0f - xfmem.viewport.farZ / 16777215.0f;
dirty = true;
// This is so implementation-dependent that we can't have it here.