Differential D2995 Diff 9801 source/blender/draw/modes/shaders/edit_mesh_overlay_frag.glsl

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source/blender/draw/modes/shaders/edit_mesh_overlay_frag.glsl

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	/* This shader follows the principles of	/* This shader follows the principles of
	* http://developer.download.nvidia.com/SDK/10/direct3d/Source/SolidWireframe/Doc/SolidWireframe.pdf */	* http://developer.download.nvidia.com/SDK/10/direct3d/Source/SolidWireframe/Doc/SolidWireframe.pdf */

		/* This is not perfect. Only a subset of intel gpus are affected.
		* This fix have some performance impact.
		* TODO Refine the range to only affect GPUs. */
		#ifndef GPU_INTEL
		# undef INTEL_FIX
		#endif

	uniform float faceAlphaMod;	uniform float faceAlphaMod;

	flat in vec3 edgesCrease;	flat in vec3 edgesCrease;
	flat in vec3 edgesBweight;	flat in vec3 edgesBweight;
	flat in ivec3 flag;
	flat in vec4 faceColor;	flat in vec4 faceColor;
	flat in int clipCase;	flat in int clipCase;
	#ifdef VERTEX_SELECTION	#ifdef VERTEX_SELECTION
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	noperspective in vec4 eData1;	noperspective in vec4 eData1;
	flat in vec4 eData2;	flat in vec4 eData2;
		/* Some intel gpu have problems with having the vertex position packed. */
		#ifdef INTEL_FIX
		flat in vec2 eData3;
		#endif

		/* Some intel Gpu seems to have memory alignement problems. So adding a padding int */
		#ifdef GPU_INTEL
		flat in ivec4 flag;
		#else
		flat in ivec3 flag;
		#endif

	out vec4 FragColor;	out vec4 FragColor;

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	ivec3(2, 1, 0)	ivec3(2, 1, 0)
	);	);

	const mat4 stipple_matrix = mat4(	const vec4 stipple_matrix[4] = vec4[4](
	vec4(1.0, 0.0, 0.0, 0.0),	vec4(1.0, 0.0, 0.0, 0.0),
	vec4(0.0, 0.0, 0.0, 0.0),	vec4(0.0, 0.0, 0.0, 0.0),
	vec4(0.0, 0.0, 1.0, 0.0),	vec4(0.0, 0.0, 1.0, 0.0),
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	p.x = distance(eData2.zw, gl_FragCoord.xy);	p.x = distance(eData2.zw, gl_FragCoord.xy);
	p.y = distance(eData2.xy, gl_FragCoord.xy);	p.y = distance(eData2.xy, gl_FragCoord.xy);
		#ifdef INTEL_FIX
		p.z = distance(eData3.xy, gl_FragCoord.xy);
		#else
	p.z = distance(eData1.zw, gl_FragCoord.xy);	p.z = distance(eData1.zw, gl_FragCoord.xy);
		#endif
	}	}
	else {	else {
	ivec3 eidxs = clipEdgeIdx[clipCase - 1];	ivec3 eidxs = clipEdgeIdx[clipCase - 1];
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