VertexShaderManager: Break up the conditions to make it readable.
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@ -387,17 +387,20 @@ void VertexShaderManager::SetConstants()
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constants.pixelcentercorrection[0] = pixel_center_correction * pixel_size_x;
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constants.pixelcentercorrection[1] = pixel_center_correction * pixel_size_y;
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if (g_ActiveConfig.backend_info.bSupportsDepthClamp &&
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((fabs(xfmem.viewport.zRange) > 16777215.0f || fabs(xfmem.viewport.farZ) > 16777215.0f) ||
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(xfmem.viewport.zRange < 0.0f &&
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!g_ActiveConfig.backend_info.bSupportsReversedDepthRange)))
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// By default we don't change the depth value at all in the vertex shader.
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constants.pixelcentercorrection[2] = 1.0f;
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constants.pixelcentercorrection[3] = 0.0f;
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if (g_ActiveConfig.backend_info.bSupportsDepthClamp)
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{
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// The depth range is handled in the vertex shader. We need to reverse
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// Oversized depth ranges are handled in the vertex shader. We need to reverse
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// the far value to get a reversed depth range mapping. This is necessary
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// because the standard depth range equation pushes all depth values towards
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// the back of the depth buffer where conventionally depth buffers have the
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// least precision.
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if (g_ActiveConfig.backend_info.bSupportsReversedDepthRange)
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{
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if (fabs(xfmem.viewport.zRange) > 16777215.0f || fabs(xfmem.viewport.farZ) > 16777215.0f)
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{
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// For backends that support reversing the depth range we also support cases
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// where the console also uses reversed depth with the same accuracy. We need
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@ -409,7 +412,11 @@ void VertexShaderManager::SetConstants()
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else
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constants.pixelcentercorrection[3] = 1.0f - xfmem.viewport.farZ / 16777215.0f;
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}
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}
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else
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{
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if (xfmem.viewport.zRange < 0.0f || xfmem.viewport.zRange > 16777215.0f ||
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fabs(xfmem.viewport.farZ) > 16777215.0f)
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{
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// For backends that don't support reversing the depth range we can still render
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// cases where the console uses reversed depth correctly. But we simply can't
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@ -418,10 +425,6 @@ void VertexShaderManager::SetConstants()
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constants.pixelcentercorrection[3] = 1.0f - xfmem.viewport.farZ / 16777215.0f;
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}
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}
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else
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{
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constants.pixelcentercorrection[2] = 1.0f;
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constants.pixelcentercorrection[3] = 0.0f;
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}
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dirty = true;
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