Commit: 855b56b90c7edf651684d84acccb168e70b355e2
Author: Antonio Vazquez
Date: Tue Mar 28 13:05:45 2017 +0200
Branches: blender2.8
https://developer.blender.org/rB855b56b90c7edf651684d84acccb168e70b355e2
Add GL_LINE_STRIP_ADJACENCY support to Gawain
This primitive is used in geometry shaders like new grease pencil stroke shaders
===================================================================
M intern/gawain/gawain/primitive.h
M intern/gawain/src/immediate.c
===================================================================
diff --git a/intern/gawain/gawain/primitive.h b/intern/gawain/gawain/primitive.h
index d1b8f5b3ec7..55333be6c9e 100644
--- a/intern/gawain/gawain/primitive.h
+++ b/intern/gawain/gawain/primitive.h
@@ -23,6 +23,7 @@ typedef enum {
#endif
PRIM_LINE_STRIP = GL_LINE_STRIP,
+ PRIM_LINE_STRIP_ADJACENCY = GL_LINE_STRIP_ADJACENCY,
PRIM_LINE_LOOP = GL_LINE_LOOP, // GL has this, Vulkan does not
PRIM_TRIANGLE_STRIP = GL_TRIANGLE_STRIP,
PRIM_TRIANGLE_FAN = GL_TRIANGLE_FAN,
diff --git a/intern/gawain/src/immediate.c b/intern/gawain/src/immediate.c
index 0e6a6ba51a0..4e584dcb3cb 100644
--- a/intern/gawain/src/immediate.c
+++ b/intern/gawain/src/immediate.c
@@ -160,6 +160,8 @@ static bool vertex_count_makes_sense_for_primitive(unsigned
vertex_ct, Primitive
case PRIM_LINE_STRIP:
case PRIM_LINE_LOOP:
return vertex_ct >= 2;
+ case PRIM_LINE_STRIP_ADJACENCY:
+ return vertex_ct >= 4;
case PRIM_TRIANGLES:
return vertex_ct % 3 == 0;
case PRIM_TRIANGLE_STRIP:
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