r600g: emit streamout from dma copy shader
[mesa.git] / src / gallium / drivers / svga / svga_pipe_draw.c
index cc0df7187fb4ad8db22162a441b63daeead4137c..87f6b3d7126246d8c2bceda304aac2d3af76f946 100644 (file)
@@ -23,7 +23,6 @@
  *
  **********************************************************/
 
-#include "svga_cmd.h"
 
 #include "util/u_format.h"
 #include "util/u_inlines.h"
@@ -32,6 +31,7 @@
 #include "indices/u_indices.h"
 
 #include "svga_hw_reg.h"
+#include "svga_cmd.h"
 #include "svga_context.h"
 #include "svga_screen.h"
 #include "svga_draw.h"
 #include "svga_swtnl.h"
 #include "svga_debug.h"
 #include "svga_resource_buffer.h"
-#include "util/u_upload_mgr.h"
-
-/**
- * Determine the ranges to upload for the user-buffers referenced
- * by the next draw command.
- *
- * TODO: It might be beneficial to support multiple ranges. In that case,
- * the struct svga_buffer::uploaded member should be made an array or a
- * list, since we need to account for the possibility that different ranges
- * may be uploaded to different hardware buffers chosen by the utility
- * upload manager.
- */
-
-static void
-svga_user_buffer_range(struct svga_context *svga,
-                       unsigned start,
-                       unsigned count,
-                       unsigned instance_count)
-{
-   const struct pipe_vertex_element *ve = svga->curr.velems->velem;
-   int i;
-
-   /*
-    * Release old uploaded range (if not done already) and
-    * initialize new ranges.
-    */
-
-   for (i=0; i < svga->curr.velems->count; i++) {
-      struct pipe_vertex_buffer *vb =
-         &svga->curr.vb[ve[i].vertex_buffer_index];
-
-      if (vb->buffer && svga_buffer_is_user_buffer(vb->buffer)) {
-         struct svga_buffer *buffer = svga_buffer(vb->buffer);
-
-         pipe_resource_reference(&buffer->uploaded.buffer, NULL);
-         buffer->uploaded.start = ~0;
-         buffer->uploaded.end = 0;
-      }
-   }
-
-   for (i=0; i < svga->curr.velems->count; i++) {
-      struct pipe_vertex_buffer *vb =
-         &svga->curr.vb[ve[i].vertex_buffer_index];
-
-      if (vb->buffer && svga_buffer_is_user_buffer(vb->buffer)) {
-         struct svga_buffer *buffer = svga_buffer(vb->buffer);
-         unsigned first, size;
-         unsigned instance_div = ve[i].instance_divisor;
-         unsigned elemSize = util_format_get_blocksize(ve[i].src_format);
-
-         svga->dirty |= SVGA_NEW_VBUFFER;
-
-         if (instance_div) {
-            first = ve[i].src_offset;
-            count = (instance_count + instance_div - 1) / instance_div;
-            size = vb->stride * (count - 1) + elemSize;
-         } else if (vb->stride) {
-            first = vb->stride * start + ve[i].src_offset;
-            size = vb->stride * (count - 1) + elemSize;
-         } else {
-            /* Only a single vertex!
-             * Upload with the largest vertex size the hw supports,
-             * if possible.
-             */
-            first = ve[i].src_offset;
-            size = MIN2(16, vb->buffer->width0);
-         }
-
-         buffer->uploaded.start = MIN2(buffer->uploaded.start, first);
-         buffer->uploaded.end = MAX2(buffer->uploaded.end, first + size);
-      }
-   }
-}
-
-/**
- * svga_upload_user_buffers - upload parts of user buffers
- *
- * This function streams a part of a user buffer to hw and fills
- * svga_buffer::uploaded with information on the upload.
- */
-
-static int
-svga_upload_user_buffers(struct svga_context *svga,
-                         unsigned start,
-                         unsigned count,
-                         unsigned instance_count)
-{
-   const struct pipe_vertex_element *ve = svga->curr.velems->velem;
-   unsigned i;
-   int ret;
-
-   svga_user_buffer_range(svga, start, count, instance_count);
-
-   for (i=0; i < svga->curr.velems->count; i++) {
-      struct pipe_vertex_buffer *vb =
-         &svga->curr.vb[ve[i].vertex_buffer_index];
-
-      if (vb->buffer && svga_buffer_is_user_buffer(vb->buffer)) {
-         struct svga_buffer *buffer = svga_buffer(vb->buffer);
-
-         /*
-          * Check if already uploaded. Otherwise go ahead and upload.
-          */
-
-         if (buffer->uploaded.buffer)
-            continue;
-
-         ret = u_upload_buffer( svga->upload_vb,
-                                0,
-                                buffer->uploaded.start,
-                                buffer->uploaded.end - buffer->uploaded.start,
-                                &buffer->b.b,
-                                &buffer->uploaded.offset,
-                                &buffer->uploaded.buffer);
-
-         if (ret)
-            return ret;
-
-         if (0)
-            debug_printf("%s: %d: orig buf %p upl buf %p ofs %d sofs %d"
-                         " sz %d\n",
-                         __FUNCTION__,
-                         i,
-                         buffer,
-                         buffer->uploaded.buffer,
-                         buffer->uploaded.offset,
-                         buffer->uploaded.start,
-                         buffer->uploaded.end - buffer->uploaded.start);
-
-         vb->buffer_offset = buffer->uploaded.offset;
-      }
-   }
-
-   return PIPE_OK;
-}
-
-/**
- * svga_release_user_upl_buffers - release uploaded parts of user buffers
- *
- * This function releases the hw copy of the uploaded fraction of the
- * user-buffer. It's important to do this as soon as all draw calls
- * affecting the uploaded fraction are issued, as this allows for
- * efficient reuse of the hardware surface backing the uploaded fraction.
- *
- * svga_buffer::source_offset is set to 0, and svga_buffer::uploaded::buffer
- * is set to 0.
- */
-
-static void
-svga_release_user_upl_buffers(struct svga_context *svga)
-{
-   unsigned i;
-   unsigned nr;
-
-   nr = svga->curr.num_vertex_buffers;
-
-   for (i = 0; i < nr; ++i) {
-      struct pipe_vertex_buffer *vb = &svga->curr.vb[i];
-
-      if (vb->buffer && svga_buffer_is_user_buffer(vb->buffer)) {
-         struct svga_buffer *buffer = svga_buffer(vb->buffer);
-
-         /* The buffer_offset is relative to the uploaded buffer.
-          * Since we're discarding that buffer we need to reset this offset
-          * so it's not inadvertantly applied to a subsequent draw.
-          *
-          * XXX a root problem here is that the svga->curr.vb[] information
-          * is getting set both by gallium API calls and by code in
-          * svga_upload_user_buffers().  We should instead have two copies
-          * of the vertex buffer information and choose between as needed.
-          */
-         vb->buffer_offset = 0;
-
-         buffer->uploaded.start = ~0;
-         buffer->uploaded.end = 0;
-         if (buffer->uploaded.buffer)
-            pipe_resource_reference(&buffer->uploaded.buffer, NULL);
-      }
-   }
-}
-
 
 
 static enum pipe_error
@@ -229,8 +48,8 @@ retry_draw_range_elements( struct svga_context *svga,
                            int index_bias,
                            unsigned min_index,
                            unsigned max_index,
-                           unsigned prim, 
-                           unsigned start, 
+                           unsigned prim,
+                           unsigned start,
                            unsigned count,
                            unsigned instance_count,
                            boolean do_retry )
@@ -244,11 +63,6 @@ retry_draw_range_elements( struct svga_context *svga,
                              svga->curr.rast->templ.flatshade,
                              svga->curr.rast->templ.flatshade_first );
 
-   ret = svga_upload_user_buffers( svga, min_index + index_bias,
-                                   max_index - min_index + 1, instance_count );
-   if (ret != PIPE_OK)
-      goto retry;
-
    ret = svga_update_state( svga, SVGA_STATE_HW_DRAW );
    if (ret != PIPE_OK)
       goto retry;
@@ -280,8 +94,8 @@ retry:
 
 static enum pipe_error
 retry_draw_arrays( struct svga_context *svga,
-                   unsigned prim, 
-                   unsigned start, 
+                   unsigned prim,
+                   unsigned start,
                    unsigned count,
                    unsigned instance_count,
                    boolean do_retry )
@@ -295,11 +109,6 @@ retry_draw_arrays( struct svga_context *svga,
                              svga->curr.rast->templ.flatshade,
                              svga->curr.rast->templ.flatshade_first );
 
-   ret = svga_upload_user_buffers( svga, start, count, instance_count );
-
-   if (ret != PIPE_OK)
-      goto retry;
-
    ret = svga_update_state( svga, SVGA_STATE_HW_DRAW );
    if (ret != PIPE_OK)
       goto retry;
@@ -309,10 +118,10 @@ retry_draw_arrays( struct svga_context *svga,
    if (ret != PIPE_OK)
       goto retry;
 
-   return 0;
+   return PIPE_OK;
 
 retry:
-   if (ret == PIPE_ERROR_OUT_OF_MEMORY && do_retry) 
+   if (ret == PIPE_ERROR_OUT_OF_MEMORY && do_retry)
    {
       svga_context_flush( svga, NULL );
 
@@ -337,6 +146,8 @@ svga_draw_vbo(struct pipe_context *pipe, const struct pipe_draw_info *info)
    enum pipe_error ret = 0;
    boolean needed_swtnl;
 
+   svga->num_draw_calls++;  /* for SVGA_QUERY_DRAW_CALLS */
+
    if (!u_trim_pipe_prim( info->mode, &count ))
       return;
 
@@ -353,7 +164,7 @@ svga_draw_vbo(struct pipe_context *pipe, const struct pipe_draw_info *info)
       svga->curr.reduced_prim = reduced_prim;
       svga->dirty |= SVGA_NEW_REDUCED_PRIMITIVE;
    }
-   
+
    needed_swtnl = svga->state.sw.need_swtnl;
 
    svga_update_state_retry( svga, SVGA_STATE_NEED_SWTNL );
@@ -365,6 +176,7 @@ svga_draw_vbo(struct pipe_context *pipe, const struct pipe_draw_info *info)
 #endif
 
    if (svga->state.sw.need_swtnl) {
+      svga->num_fallbacks++;  /* for SVGA_QUERY_FALLBACKS */
       if (!needed_swtnl) {
          /*
           * We're switching from HW to SW TNL.  SW TNL will require mapping all
@@ -413,8 +225,6 @@ svga_draw_vbo(struct pipe_context *pipe, const struct pipe_draw_info *info)
    /* XXX: Silence warnings, do something sensible here? */
    (void)ret;
 
-   svga_release_user_upl_buffers( svga );
-
    if (SVGA_DEBUG & DEBUG_FLUSH) {
       svga_hwtnl_flush_retry( svga );
       svga_context_flush(svga, NULL);