gallium: Add support for multiple viewports

Gallium supported only a single viewport/scissor combination. This
commit changes the interface to allow us to add support for multiple
viewports/scissors.

Signed-off-by: Zack Rusin <[email protected]>
Reviewed-by: Marek Olšák <[email protected]>
Reviewed-by: José Fonseca<[email protected]>
Reviewed-by: Brian Paul <[email protected]>
Reviewed-by: Roland Scheidegger <[email protected]>

1 files changed, 5 insertions, 3 deletions

diff --git a/src/gallium/drivers/r600/r600_state.c b/src/gallium/drivers/r600/r600_state.c
index f0e36753d2b..068d87126e5 100644
--- a/src/gallium/drivers/r600/r600_state.c
+++ b/src/gallium/drivers/r600/r600_state.c
@@ -1215,8 +1215,10 @@ static void r600_emit_scissor_state(struct r600_context *rctx, struct r600_atom
 	}
 }
 
-static void r600_set_scissor_state(struct pipe_context *ctx,
-				   const struct pipe_scissor_state *state)
+static void r600_set_scissor_states(struct pipe_context *ctx,
+                                    unsigned start_slot,
+                                    unsigned num_scissors,
+                                    const struct pipe_scissor_state *state)
 {
 	struct r600_context *rctx = (struct r600_context *)ctx;
 
@@ -3252,7 +3254,7 @@ void r600_init_state_functions(struct r600_context *rctx)
 	rctx->context.create_sampler_view = r600_create_sampler_view;
 	rctx->context.set_framebuffer_state = r600_set_framebuffer_state;
 	rctx->context.set_polygon_stipple = r600_set_polygon_stipple;
-	rctx->context.set_scissor_state = r600_set_scissor_state;
+	rctx->context.set_scissor_states = r600_set_scissor_states;
 
 	rctx->context.get_sample_position = r600_get_sample_position;
 }