llvmpipe: bind vertex/geometry shader images
[mesa.git] / src / gallium / drivers / llvmpipe / lp_draw_arrays.c
index 3dd68d5794ee8b295f413e2b3a10ec0a6fd9c81f..01f3cf3cdfca6ac49eda86c196a476db4435ed66 100644 (file)
@@ -1,6 +1,6 @@
 /**************************************************************************
  * 
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * Copyright 2007 VMware, Inc.
  * All Rights Reserved.
  * 
  * Permission is hereby granted, free of charge, to any person obtaining a
@@ -18,7 +18,7 @@
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 #include "pipe/p_defines.h"
 #include "pipe/p_context.h"
+#include "util/u_draw.h"
 #include "util/u_prim.h"
 
-#include "lp_buffer.h"
 #include "lp_context.h"
 #include "lp_state.h"
+#include "lp_query.h"
 
 #include "draw/draw_context.h"
 
 
 
-void
-llvmpipe_draw_arrays(struct pipe_context *pipe, unsigned mode,
-                     unsigned start, unsigned count)
-{
-   llvmpipe_draw_elements(pipe, NULL, 0, mode, start, count);
-}
-
-
 /**
- * Draw vertex arrays, with optional indexing.
+ * Draw vertex arrays, with optional indexing, optional instancing.
+ * All the other drawing functions are implemented in terms of this function.
  * Basically, map the vertex buffers (and drawing surfaces), then hand off
  * the drawing to the 'draw' module.
  */
-void
-llvmpipe_draw_range_elements(struct pipe_context *pipe,
-                             struct pipe_buffer *indexBuffer,
-                             unsigned indexSize,
-                             unsigned min_index,
-                             unsigned max_index,
-                             unsigned mode, unsigned start, unsigned count)
+static void
+llvmpipe_draw_vbo(struct pipe_context *pipe, const struct pipe_draw_info *info)
 {
    struct llvmpipe_context *lp = llvmpipe_context(pipe);
    struct draw_context *draw = lp->draw;
+   const void *mapped_indices = NULL;
    unsigned i;
 
+   if (!llvmpipe_check_render_cond(lp))
+      return;
+
+   if (info->indirect) {
+      util_draw_indirect(pipe, info);
+      return;
+   }
+
    if (lp->dirty)
       llvmpipe_update_derived( lp );
 
@@ -75,35 +73,74 @@ llvmpipe_draw_range_elements(struct pipe_context *pipe,
     * Map vertex buffers
     */
    for (i = 0; i < lp->num_vertex_buffers; i++) {
-      void *buf = llvmpipe_buffer(lp->vertex_buffer[i].buffer)->data;
-      draw_set_mapped_vertex_buffer(draw, i, buf);
+      const void *buf = lp->vertex_buffer[i].is_user_buffer ?
+                           lp->vertex_buffer[i].buffer.user : NULL;
+      size_t size = ~0;
+      if (!buf) {
+         if (!lp->vertex_buffer[i].buffer.resource) {
+            continue;
+         }
+         buf = llvmpipe_resource_data(lp->vertex_buffer[i].buffer.resource);
+         size = lp->vertex_buffer[i].buffer.resource->width0;
+      }
+      draw_set_mapped_vertex_buffer(draw, i, buf, size);
    }
 
    /* Map index buffer, if present */
-   if (indexBuffer) {
-      void *mapped_indexes = llvmpipe_buffer(indexBuffer)->data;
-      draw_set_mapped_element_buffer_range(draw, indexSize,
-                                           min_index,
-                                           max_index,
-                                           mapped_indexes);
+   if (info->index_size) {
+      unsigned available_space = ~0;
+      mapped_indices = info->has_user_indices ? info->index.user : NULL;
+      if (!mapped_indices) {
+         mapped_indices = llvmpipe_resource_data(info->index.resource);
+         available_space = info->index.resource->width0;
+      }
+      draw_set_indexes(draw,
+                       (ubyte *) mapped_indices,
+                       info->index_size, available_space);
    }
-   else {
-      /* no index/element buffer */
-      draw_set_mapped_element_buffer_range(draw, 0, start,
-                                           start + count - 1, NULL);
+
+   llvmpipe_prepare_vertex_sampling(lp,
+                                    lp->num_sampler_views[PIPE_SHADER_VERTEX],
+                                    lp->sampler_views[PIPE_SHADER_VERTEX]);
+   llvmpipe_prepare_geometry_sampling(lp,
+                                      lp->num_sampler_views[PIPE_SHADER_GEOMETRY],
+                                      lp->sampler_views[PIPE_SHADER_GEOMETRY]);
+
+   llvmpipe_prepare_vertex_images(lp,
+                                  lp->num_images[PIPE_SHADER_VERTEX],
+                                  lp->images[PIPE_SHADER_VERTEX]);
+   llvmpipe_prepare_geometry_images(lp,
+                                    lp->num_images[PIPE_SHADER_GEOMETRY],
+                                    lp->images[PIPE_SHADER_GEOMETRY]);
+   if (lp->gs && lp->gs->no_tokens) {
+      /* we have an empty geometry shader with stream output, so
+         attach the stream output info to the current vertex shader */
+      if (lp->vs) {
+         draw_vs_attach_so(lp->vs, &lp->gs->stream_output);
+      }
    }
+   draw_collect_pipeline_statistics(draw,
+                                    lp->active_statistics_queries > 0);
 
    /* draw! */
-   draw_arrays(draw, mode, start, count);
+   draw_vbo(draw, info);
 
    /*
     * unmap vertex/index buffers
     */
    for (i = 0; i < lp->num_vertex_buffers; i++) {
-      draw_set_mapped_vertex_buffer(draw, i, NULL);
+      draw_set_mapped_vertex_buffer(draw, i, NULL, 0);
    }
-   if (indexBuffer) {
-      draw_set_mapped_element_buffer(draw, 0, NULL);
+   if (mapped_indices) {
+      draw_set_indexes(draw, NULL, 0, 0);
+   }
+
+   if (lp->gs && lp->gs->no_tokens) {
+      /* we have attached stream output to the vs for rendering,
+         now lets reset it */
+      if (lp->vs) {
+         draw_vs_reset_so(lp->vs);
+      }
    }
 
    /*
@@ -116,14 +153,7 @@ llvmpipe_draw_range_elements(struct pipe_context *pipe,
 
 
 void
-llvmpipe_draw_elements(struct pipe_context *pipe,
-                       struct pipe_buffer *indexBuffer,
-                       unsigned indexSize,
-                       unsigned mode, unsigned start, unsigned count)
+llvmpipe_init_draw_funcs(struct llvmpipe_context *llvmpipe)
 {
-   llvmpipe_draw_range_elements( pipe, indexBuffer,
-                                 indexSize,
-                                 0, 0xffffffff,
-                                 mode, start, count );
+   llvmpipe->pipe.draw_vbo = llvmpipe_draw_vbo;
 }
-