Similar to is_drawing_points().
Signed-off-by: Kenneth Graunke <[email protected]>
---
src/mesa/drivers/dri/i965/brw_state.h | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)
diff --git a/src/mesa/drivers/dri/i965/brw_state.h
b/src/mesa/drivers/dri/i965/brw_state.h
index 9a17b73..ba448b3 100644
--- a/src/mesa/drivers/dri/i965/brw_state.h
+++ b/src/mesa/drivers/dri/i965/brw_state.h
@@ -426,6 +426,32 @@ is_drawing_points(const struct brw_context *brw)
}
}
+static inline bool
+is_drawing_lines(const struct brw_context *brw)
+{
+ /* Determine if the primitives *reaching the SF* are points */
+ /* _NEW_POLYGON */
+ if (brw->ctx.Polygon.FrontMode == GL_LINE ||
+ brw->ctx.Polygon.BackMode == GL_LINE) {
+ return true;
+ }
+
+ if (brw->geometry_program) {
+ /* BRW_NEW_GEOMETRY_PROGRAM */
+ return brw->geometry_program->OutputType == GL_LINE_STRIP;
+ } else {
+ /* BRW_NEW_PRIMITIVE */
+ switch (brw->primitive) {
+ case _3DPRIM_LINELIST:
+ case _3DPRIM_LINESTRIP:
+ case _3DPRIM_LINELOOP:
+ return true;
+ }
+ }
+ return false;
+}
+
+
#ifdef __cplusplus
}
#endif
--
2.7.2
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