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| author | Brecht Van Lommel <brechtvanlommel@gmail.com> | 2019-05-22 00:59:57 +0300 |
|---|---|---|
| committer | Brecht Van Lommel <brechtvanlommel@gmail.com> | 2019-05-22 09:32:39 +0300 |
| commit | c06bd2d18461b192cb4780a298301eebca76d20c (patch) | |
| tree | 2d95d844d5e16ea975cd3317a7cf1375e8eb1d04 /source/blender/draw/modes/shaders/common_view_lib.glsl | |
| parent | ff3a20d1bc28a9fd8bc77960f1f312485b6fb1f2 (diff) | |
Fix T64499: edit mode display glitch on Intel HD 4x00 and Windows 7/8
There may well be more vertex shaders that need this, but I couldn't find them
in my testing.
Differential Revision: https://developer.blender.org/D4921
Diffstat (limited to 'source/blender/draw/modes/shaders/common_view_lib.glsl')
| -rw-r--r-- | source/blender/draw/modes/shaders/common_view_lib.glsl | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/source/blender/draw/modes/shaders/common_view_lib.glsl b/source/blender/draw/modes/shaders/common_view_lib.glsl index 79ac351912d..9802b9111fc 100644 --- a/source/blender/draw/modes/shaders/common_view_lib.glsl +++ b/source/blender/draw/modes/shaders/common_view_lib.glsl @@ -48,3 +48,11 @@ uniform mat4 ModelMatrixInverse; #define point_world_to_ndc(p) (ViewProjectionMatrix * vec4(p, 1.0)) #define point_world_to_object(p) ((ModelMatrixInverse * vec4(p, 1.0)).xyz) #define point_world_to_view(p) ((ViewMatrix * vec4(p, 1.0)).xyz) + +/* Due to some shader compiler bug, we somewhat need to access gl_VertexID + * to make vertex shaders work. even if it's actually dead code. */ +#ifdef GPU_INTEL +# define GPU_INTEL_VERTEX_SHADER_WORKAROUND gl_Position.x = float(gl_VertexID); +#else +# define GPU_INTEL_VERTEX_SHADER_WORKAROUND +#endif |