Clément Foucault
a945cf4d0f
This is part of the effor to simplify the View struct in order to implement multiview rendering.
46 lines
1.3 KiB
GLSL
46 lines
1.3 KiB
GLSL
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#pragma BLENDER_REQUIRE(common_view_lib.glsl)
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#if defined(GPU_VERTEX_SHADER) || defined(GPU_GEOMETRY_SHADER)
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void view_clipping_distances(vec3 wpos)
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{
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# ifdef USE_WORLD_CLIP_PLANES
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vec4 pos_4d = vec4(wpos, 1.0);
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gl_ClipDistance[0] = dot(drw_clipping[0], pos_4d);
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gl_ClipDistance[1] = dot(drw_clipping[1], pos_4d);
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gl_ClipDistance[2] = dot(drw_clipping[2], pos_4d);
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gl_ClipDistance[3] = dot(drw_clipping[3], pos_4d);
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gl_ClipDistance[4] = dot(drw_clipping[4], pos_4d);
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gl_ClipDistance[5] = dot(drw_clipping[5], pos_4d);
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# endif
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}
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void view_clipping_distances_bypass()
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{
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# ifdef USE_WORLD_CLIP_PLANES
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gl_ClipDistance[0] = 1.0;
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gl_ClipDistance[1] = 1.0;
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gl_ClipDistance[2] = 1.0;
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gl_ClipDistance[3] = 1.0;
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gl_ClipDistance[4] = 1.0;
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gl_ClipDistance[5] = 1.0;
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# endif
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}
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/* Kept as define for compiler compatibility. */
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# ifdef USE_WORLD_CLIP_PLANES
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# define view_clipping_distances_set(c) \
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gl_ClipDistance[0] = (c).gl_ClipDistance[0]; \
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gl_ClipDistance[1] = (c).gl_ClipDistance[1]; \
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gl_ClipDistance[2] = (c).gl_ClipDistance[2]; \
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gl_ClipDistance[3] = (c).gl_ClipDistance[3]; \
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gl_ClipDistance[4] = (c).gl_ClipDistance[4]; \
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gl_ClipDistance[5] = (c).gl_ClipDistance[5];
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# else
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# define view_clipping_distances_set(c)
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# endif
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#endif
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