r300g: add polygon mode

Signed-off-by: Corbin Simpson <[email protected]>

1 files changed, 27 insertions, 0 deletions

diff --git a/src/gallium/drivers/r300/r300_state.c b/src/gallium/drivers/r300/r300_state.c
index 242ec9f365c..658a8cba132 100644
--- a/src/gallium/drivers/r300/r300_state.c
+++ b/src/gallium/drivers/r300/r300_state.c
@@ -398,25 +398,52 @@ static void* r300_create_rs_state(struct pipe_context* pipe,
     rs->line_control = pack_float_16_6x(state->line_width) |
         R300_GA_LINE_CNTL_END_TYPE_COMP;
 
+    /* XXX I think there is something wrong with the polygon mode,
+     * XXX re-test when r300g is in a better shape */
+
+    /* Enable polygon mode */
+    if (state->fill_cw != PIPE_POLYGON_MODE_FILL ||
+        state->fill_ccw != PIPE_POLYGON_MODE_FILL) {
+        rs->polygon_mode = R300_GA_POLY_MODE_DUAL;
+    }
+
     /* Radeons don't think in "CW/CCW", they think in "front/back". */
     if (state->front_winding == PIPE_WINDING_CW) {
         rs->cull_mode = R300_FRONT_FACE_CW;
 
+        /* Polygon offset */
         if (state->offset_cw) {
             rs->polygon_offset_enable |= R300_FRONT_ENABLE;
         }
         if (state->offset_ccw) {
             rs->polygon_offset_enable |= R300_BACK_ENABLE;
         }
+
+        /* Polygon mode */
+        if (rs->polygon_mode) {
+            rs->polygon_mode |=
+                r300_translate_polygon_mode_front(state->fill_cw);
+            rs->polygon_mode |=
+                r300_translate_polygon_mode_back(state->fill_ccw);
+        }
     } else {
         rs->cull_mode = R300_FRONT_FACE_CCW;
 
+        /* Polygon offset */
         if (state->offset_ccw) {
             rs->polygon_offset_enable |= R300_FRONT_ENABLE;
         }
         if (state->offset_cw) {
             rs->polygon_offset_enable |= R300_BACK_ENABLE;
         }
+
+        /* Polygon mode */
+        if (rs->polygon_mode) {
+            rs->polygon_mode |=
+                r300_translate_polygon_mode_front(state->fill_ccw);
+            rs->polygon_mode |=
+                r300_translate_polygon_mode_back(state->fill_cw);
+        }
     }
     if (state->front_winding & state->cull_mode) {
         rs->cull_mode |= R300_CULL_FRONT;