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Diffstat (limited to 'src/gallium/drivers/svga/svga_draw_arrays.c')
-rw-r--r--src/gallium/drivers/svga/svga_draw_arrays.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/src/gallium/drivers/svga/svga_draw_arrays.c b/src/gallium/drivers/svga/svga_draw_arrays.c
index e4d776443c5..caf4b17de16 100644
--- a/src/gallium/drivers/svga/svga_draw_arrays.c
+++ b/src/gallium/drivers/svga/svga_draw_arrays.c
@@ -218,6 +218,20 @@ svga_hwtnl_draw_arrays(struct svga_hwtnl *hwtnl,
* the hardware wants.
*/
api_pv = hwtnl->hw_pv;
+
+ if (hwtnl->api_fillmode == PIPE_POLYGON_MODE_FILL) {
+ /* Do some simple primitive conversions to avoid index buffer
+ * generation below. Note that polygons and quads are not directly
+ * supported by the svga device. Also note, we can only do this
+ * for flat/constant-colored rendering because of provoking vertex.
+ */
+ if (prim == PIPE_PRIM_POLYGON) {
+ prim = PIPE_PRIM_TRIANGLE_FAN;
+ }
+ else if (prim == PIPE_PRIM_QUADS && count == 4) {
+ prim = PIPE_PRIM_TRIANGLE_FAN;
+ }
+ }
}
if (hwtnl->api_fillmode != PIPE_POLYGON_MODE_FILL &&