Attachment 138037 Details for Bug 105464 – Patch for tessellation demo to reproduce the issue

[patch] Patch for tessellation demo to reproduce the issue

pntriangles.tesc.patch (text/plain), 1.29 KB, created by Philip Rebohle on 2018-03-12 19:14:40 UTC

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Creator: Philip Rebohle

Created: 2018-03-12 19:14:40 UTC

Size: 1.29 KB

patch

obsolete

>diff --git a/data/shaders/tessellation/pntriangles.tesc b/data/shaders/tessellation/pntriangles.tesc
>index 50ff307..56f8d1c 100644
>--- a/data/shaders/tessellation/pntriangles.tesc
>+++ b/data/shaders/tessellation/pntriangles.tesc
>@@ -33,6 +33,8 @@ layout(location = 0) out vec3 outNormal[3];
> layout(location = 3) out vec2 outUV[3];
> layout(location = 6) out PnPatch outPatch[3];
> 
>+layout(location = 16) patch out float outTessLevels[3];
>+
> float wij(int i, int j)
> {
> 	return dot(gl_in[j].gl_Position.xyz - gl_in[i].gl_Position.xyz, inNormal[i]);
>@@ -81,6 +83,12 @@ void main()
> 	outPatch[gl_InvocationID].n101 = N2+N0-vij(2,0)*(P0-P2);
> 
> 	// set tess levels
>-	gl_TessLevelOuter[gl_InvocationID] = ubo.tessLevel;
>-	gl_TessLevelInner[0] = ubo.tessLevel;
>-}
>\ No newline at end of file
>+	outTessLevels[gl_InvocationID] = ubo.tessLevel;
>+	barrier();
>+	if (gl_InvocationID == 0) {
>+		gl_TessLevelOuter[0] = outTessLevels[0];
>+		gl_TessLevelOuter[1] = outTessLevels[1];
>+		gl_TessLevelOuter[2] = outTessLevels[2];
>+		gl_TessLevelInner[0] = ubo.tessLevel;
>+	}
>+}
>diff --git a/data/shaders/tessellation/pntriangles.tesc.spv b/data/shaders/tessellation/pntriangles.tesc.spv
>index d7c90ed..23e4117 100644
>Binary files a/data/shaders/tessellation/pntriangles.tesc.spv and b/data/shaders/tessellation/pntriangles.tesc.spv differ

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Attachments on bug 105464: 138037 | 138038 | 138044 | 138092 | 139738

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