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OGL: Workaround gl_ClipDistance bug on Mesa i965.

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This commit is contained in:
Jules Blok
2016-08-17 20:12:44 +02:00
parent 7078216b61
commit e86d7cbc99
3 changed files with 15 additions and 6 deletions
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10
Source/Core/VideoCommon/GeometryShaderGen.cpp
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@ -7,6 +7,7 @@
#include "Common/CommonTypes.h"
#include "VideoCommon/BPMemory.h"
#include "VideoCommon/DriverDetails.h"
#include "VideoCommon/GeometryShaderGen.h"
#include "VideoCommon/LightingShaderGen.h"
#include "VideoCommon/VideoCommon.h"
@ -211,6 +212,15 @@ ShaderCode GenerateGeometryShaderCode(APIType ApiType, const geometry_shader_uid
{
out.Write("\tVS_OUTPUT f;\n");
AssignVSOutputMembers(out, "f", "vs[i]", uid_data->numTexGens, uid_data->pixel_lighting);
if (g_ActiveConfig.backend_info.bSupportsDepthClamp &&
DriverDetails::HasBug(DriverDetails::BUG_BROKENCLIPDISTANCE))
{
// On certain GPUs we have to consume the clip distance from the vertex shader
// or else the other vertex shader outputs will get corrupted.
out.Write("\tf.clipDist0 = gl_in[i].gl_ClipDistance[0];\n");
out.Write("\tf.clipDist1 = gl_in[i].gl_ClipDistance[1];\n");
}
}
else
{