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mesa/main: Add support for GL_ARB_cull_distance (v2)

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airlied:
v2: rename LowerClipDistance to LowerCombinedClipCullDistnace.
I don't think we want any other behaviour with any current hw.

Signed-off-by: Tobias Klausmann <tobias.johannes.klausmann@mni.thm.de>
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Kristian Høgsberg <krh@bitplanet.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Tobias Klausmann
2016-05-08 22:44:02 +02:00
committed by Dave Airlie
parent f2a2e08e01
commit eb18fea707
10 changed files with 27 additions and 6 deletions
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2
src/compiler/glsl/link_varyings.cpp
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@@ -627,7 +627,7 @@ tfeedback_decl::init(struct gl_context *ctx, const void *mem_ctx,
* class must behave specially to account for the fact that gl_ClipDistance
* is converted from a float[8] to a vec4[2].
*/
if (ctx->Const.ShaderCompilerOptions[MESA_SHADER_VERTEX].LowerClipDistance &&
if (ctx->Const.ShaderCompilerOptions[MESA_SHADER_VERTEX].LowerCombinedClipCullDistance &&
strcmp(this->var_name, "gl_ClipDistance") == 0) {
this->lowered_builtin_array_variable = clip_distance;
}