softpipe: re-order drawing functions to get rid of prototype

diff --git a/src/gallium/drivers/softpipe/sp_draw_arrays.c b/src/gallium/drivers/softpipe/sp_draw_arrays.c
index 79daa68f3b3e8ae6dab00c0dae7fee7653afed90..9e727c93811f7b0e7ba4f744df3c00465242d184 100644 (file)
--- a/src/gallium/drivers/softpipe/sp_draw_arrays.c
+++ b/src/gallium/drivers/softpipe/sp_draw_arrays.c
@@ -47,43 +47,6 @@
 
 
 
-
-/**
- * Draw vertex arrays, with optional indexing.
- * Basically, map the vertex buffers (and drawing surfaces), then hand off
- * the drawing to the 'draw' module.
- */
-static void
-softpipe_draw_range_elements_instanced(struct pipe_context *pipe,
-                                       struct pipe_resource *indexBuffer,
-                                       unsigned indexSize,
-                                       int indexBias,
-                                       unsigned minIndex,
-                                       unsigned maxIndex,
-                                       unsigned mode,
-                                       unsigned start,
-                                       unsigned count,
-                                       unsigned startInstance,
-                                       unsigned instanceCount);
-
-
-void
-softpipe_draw_arrays(struct pipe_context *pipe, unsigned mode,
-                     unsigned start, unsigned count)
-{
-   softpipe_draw_range_elements_instanced(pipe,
-                                          NULL,
-                                          0,
-                                          0,
-                                          0,
-                                          0xffffffff,
-                                          mode,
-                                          start,
-                                          count,
-                                          0,
-                                          1);
-}
-
 void
 softpipe_draw_stream_output(struct pipe_context *pipe, unsigned mode)
 {
@@ -136,6 +99,93 @@ softpipe_draw_stream_output(struct pipe_context *pipe, unsigned mode)
 }
 
 
+/**
+ * This function handles drawing indexed and non-indexed prims,
+ * instanced and non-instanced drawing, with or without min/max element
+ * indexes.
+ * All the other drawing functions are expressed in terms of this
+ * function.
+ *
+ * For non-indexed prims, indexBuffer should be NULL.
+ * For non-instanced drawing, instanceCount should be 1.
+ * When the min/max element indexes aren't known, minIndex should be 0
+ * and maxIndex should be ~0.
+ */
+static void
+softpipe_draw_range_elements_instanced(struct pipe_context *pipe,
+                                       struct pipe_resource *indexBuffer,
+                                       unsigned indexSize,
+                                       int indexBias,
+                                       unsigned minIndex,
+                                       unsigned maxIndex,
+                                       unsigned mode,
+                                       unsigned start,
+                                       unsigned count,
+                                       unsigned startInstance,
+                                       unsigned instanceCount)
+{
+   struct softpipe_context *sp = softpipe_context(pipe);
+   struct draw_context *draw = sp->draw;
+   unsigned i;
+
+   if (!softpipe_check_render_cond(sp))
+      return;
+
+   sp->reduced_api_prim = u_reduced_prim(mode);
+
+   if (sp->dirty) {
+      softpipe_update_derived(sp);
+   }
+
+   softpipe_map_transfers(sp);
+
+   /* Map vertex buffers */
+   for (i = 0; i < sp->num_vertex_buffers; i++) {
+      void *buf = softpipe_resource(sp->vertex_buffer[i].buffer)->data;
+      draw_set_mapped_vertex_buffer(draw, i, buf);
+   }
+
+   /* Map index buffer, if present */
+   if (indexBuffer) {
+      void *mapped_indexes = softpipe_resource(indexBuffer)->data;
+      draw_set_mapped_element_buffer_range(draw,
+                                           indexSize,
+                                           indexBias,
+                                           minIndex,
+                                           maxIndex,
+                                           mapped_indexes);
+   } else {
+      /* no index/element buffer */
+      draw_set_mapped_element_buffer_range(draw,
+                                           0, 0,
+                                           start,
+                                           start + count - 1,
+                                           NULL);
+   }
+
+   /* draw! */
+   draw_arrays_instanced(draw, mode, start, count, startInstance, instanceCount);
+
+   /* unmap vertex/index buffers - will cause draw module to flush */
+   for (i = 0; i < sp->num_vertex_buffers; i++) {
+      draw_set_mapped_vertex_buffer(draw, i, NULL);
+   }
+   if (indexBuffer) {
+      draw_set_mapped_element_buffer(draw, 0, 0, NULL);
+   }
+
+   /*
+    * TODO: Flush only when a user vertex/index buffer is present
+    * (or even better, modify draw module to do this
+    * internally when this condition is seen?)
+    */
+   draw_flush(draw);
+
+   /* Note: leave drawing surfaces mapped */
+   sp->dirty_render_cache = TRUE;
+}
+
+
 void
 softpipe_draw_range_elements(struct pipe_context *pipe,
                              struct pipe_resource *indexBuffer,
@@ -223,76 +273,20 @@ softpipe_draw_elements_instanced(struct pipe_context *pipe,
                                           instanceCount);
 }
 
-static void
-softpipe_draw_range_elements_instanced(struct pipe_context *pipe,
-                                       struct pipe_resource *indexBuffer,
-                                       unsigned indexSize,
-                                       int indexBias,
-                                       unsigned minIndex,
-                                       unsigned maxIndex,
-                                       unsigned mode,
-                                       unsigned start,
-                                       unsigned count,
-                                       unsigned startInstance,
-                                       unsigned instanceCount)
+void
+softpipe_draw_arrays(struct pipe_context *pipe, unsigned mode,
+                     unsigned start, unsigned count)
 {
-   struct softpipe_context *sp = softpipe_context(pipe);
-   struct draw_context *draw = sp->draw;
-   unsigned i;
-
-   if (!softpipe_check_render_cond(sp))
-      return;
-
-   sp->reduced_api_prim = u_reduced_prim(mode);
-
-   if (sp->dirty) {
-      softpipe_update_derived(sp);
-   }
-
-   softpipe_map_transfers(sp);
-
-   /* Map vertex buffers */
-   for (i = 0; i < sp->num_vertex_buffers; i++) {
-      void *buf = softpipe_resource(sp->vertex_buffer[i].buffer)->data;
-      draw_set_mapped_vertex_buffer(draw, i, buf);
-   }
-
-   /* Map index buffer, if present */
-   if (indexBuffer) {
-      void *mapped_indexes = softpipe_resource(indexBuffer)->data;
-      draw_set_mapped_element_buffer_range(draw,
-                                           indexSize,
-                                           indexBias,
-                                           minIndex,
-                                           maxIndex,
-                                           mapped_indexes);
-   } else {
-      /* no index/element buffer */
-      draw_set_mapped_element_buffer_range(draw,
-                                           0, 0,
-                                           start,
-                                           start + count - 1,
-                                           NULL);
-   }
-
-   /* draw! */
-   draw_arrays_instanced(draw, mode, start, count, startInstance, instanceCount);
-
-   /* unmap vertex/index buffers - will cause draw module to flush */
-   for (i = 0; i < sp->num_vertex_buffers; i++) {
-      draw_set_mapped_vertex_buffer(draw, i, NULL);
-   }
-   if (indexBuffer) {
-      draw_set_mapped_element_buffer(draw, 0, 0, NULL);
-   }
-
-   /*
-    * TODO: Flush only when a user vertex/index buffer is present
-    * (or even better, modify draw module to do this
-    * internally when this condition is seen?)
-    */
-   draw_flush(draw);
-
-   /* Note: leave drawing surfaces mapped */
-   sp->dirty_render_cache = TRUE;
+   softpipe_draw_range_elements_instanced(pipe,
+                                          NULL,
+                                          0,
+                                          0,
+                                          0,
+                                          0xffffffff,
+                                          mode,
+                                          start,
+                                          count,
+                                          0,
+                                          1);
 }
+