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VertexShaderGen: Fix far clipping.

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We should only check whether z > 0, we don't care about w.
This commit is contained in:
Jules Blok 2016-08-15 13:07:56 +02:00
parent afa251af42
commit 959d1879e5
1 changed files with 3 additions and 3 deletions
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6
Source/Core/VideoCommon/VertexShaderGen.cpp
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@ -402,9 +402,9 @@ ShaderCode GenerateVertexShaderCode(APIType api_type, const vertex_shader_uid_da
if (g_ActiveConfig.backend_info.bSupportsDepthClamp)
{
// Since we're adjusting z for the depth range before the perspective divide, we have to do our
// own clipping.
out.Write("o.clipDist0 = o.pos.z + o.pos.w;\n");
out.Write("o.clipDist1 = o.pos.w * -o.pos.z;\n");
// own clipping. We want to clip so that -w <= z <= 0.
out.Write("o.clipDist0 = o.pos.z + o.pos.w;\n"); // Near: z < -w
out.Write("o.clipDist1 = -o.pos.z;\n"); // Far: z > 0
// We have to handle the depth range in the vertex shader, because some games will use a depth range beyond
// the normal depth range of 0..1.