llvmpipe: Silent warnings about undeclared llvmpipe_check_render_cond.
[mesa.git] / src / gallium / drivers / llvmpipe / lp_draw_arrays.c
index 2bffcdb3ba5cc141375ff7a9bdd58f8a7a88c1ee..239a596bce0698c770c5258c4befece490d88630 100644 (file)
 
 #include "pipe/p_defines.h"
 #include "pipe/p_context.h"
-#include "pipe/internal/p_winsys_screen.h"
-#include "pipe/p_inlines.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"
 
 
 
-static void
-llvmpipe_map_constant_buffers(struct llvmpipe_context *lp)
-{
-   struct pipe_screen *screen = lp->pipe.screen;
-   uint i, size;
-
-   for (i = 0; i < PIPE_SHADER_TYPES; i++) {
-      if (lp->constants[i].buffer && lp->constants[i].buffer->size)
-         lp->mapped_constants[i] = screen->buffer_map(screen, lp->constants[i].buffer,
-                                                      PIPE_BUFFER_USAGE_CPU_READ);
-   }
-
-   if (lp->constants[PIPE_SHADER_VERTEX].buffer)
-      size = lp->constants[PIPE_SHADER_VERTEX].buffer->size;
-   else
-      size = 0;
-
-   lp->jit_context.constants = lp->mapped_constants[PIPE_SHADER_FRAGMENT];
-
-   draw_set_mapped_constant_buffer(lp->draw,
-                                   lp->mapped_constants[PIPE_SHADER_VERTEX],
-                                   size);
-}
-
-
-static void
-llvmpipe_unmap_constant_buffers(struct llvmpipe_context *lp)
-{
-   struct pipe_screen *screen = lp->pipe.screen;
-   uint i;
-
-   /* really need to flush all prims since the vert/frag shaders const buffers
-    * are going away now.
-    */
-   draw_flush(lp->draw);
-
-   draw_set_mapped_constant_buffer(lp->draw, NULL, 0);
-
-   lp->jit_context.constants = NULL;
-
-   for (i = 0; i < 2; i++) {
-      if (lp->constants[i].buffer && lp->constants[i].buffer->size)
-         screen->buffer_unmap(screen, lp->constants[i].buffer);
-      lp->mapped_constants[i] = NULL;
-   }
-}
-
-
-boolean
-llvmpipe_draw_arrays(struct pipe_context *pipe, unsigned mode,
-                     unsigned start, unsigned count)
-{
-   return 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.
  */
-boolean
-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;
+   void *mapped_indices = NULL;
    unsigned i;
 
-   lp->reduced_api_prim = u_reduced_prim(mode);
+   if (!llvmpipe_check_render_cond(lp))
+      return;
 
    if (lp->dirty)
       llvmpipe_update_derived( lp );
 
-   llvmpipe_map_constant_buffers(lp);
-
    /*
     * Map vertex buffers
     */
    for (i = 0; i < lp->num_vertex_buffers; i++) {
-      void *buf = llvmpipe_buffer(lp->vertex_buffer[i].buffer)->data;
+      void *buf = llvmpipe_resource_data(lp->vertex_buffer[i].buffer);
       draw_set_mapped_vertex_buffer(draw, i, buf);
    }
 
    /* 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);
-   }
-   else {
-      /* no index/element buffer */
-      draw_set_mapped_element_buffer_range(draw, 0, start,
-                                           start + count - 1, NULL);
-   }
+   if (info->indexed && lp->index_buffer.buffer)
+      mapped_indices = llvmpipe_resource_data(lp->index_buffer.buffer);
+
+   draw_set_mapped_index_buffer(draw, mapped_indices);
+
+   llvmpipe_prepare_vertex_sampling(lp,
+                                    lp->num_vertex_sampler_views,
+                                    lp->vertex_sampler_views);
 
    /* draw! */
-   draw_arrays(draw, mode, start, count);
+   draw_vbo(draw, info);
 
    /*
-    * unmap vertex/index buffers - will cause draw module to flush
+    * unmap vertex/index buffers
     */
    for (i = 0; i < lp->num_vertex_buffers; i++) {
       draw_set_mapped_vertex_buffer(draw, i, NULL);
    }
-   if (indexBuffer) {
-      draw_set_mapped_element_buffer(draw, 0, NULL);
+   if (mapped_indices) {
+      draw_set_mapped_index_buffer(draw, NULL);
    }
+   llvmpipe_cleanup_vertex_sampling(lp);
 
-
-   /* Note: leave drawing surfaces mapped */
-   llvmpipe_unmap_constant_buffers(lp);
-   
-   return TRUE;
-}
-
-
-boolean
-llvmpipe_draw_elements(struct pipe_context *pipe,
-                       struct pipe_buffer *indexBuffer,
-                       unsigned indexSize,
-                       unsigned mode, unsigned start, unsigned count)
-{
-   return llvmpipe_draw_range_elements( pipe, indexBuffer,
-                                        indexSize,
-                                        0, 0xffffffff,
-                                        mode, start, count );
+   /*
+    * 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);
 }
 
 
 void
-llvmpipe_set_edgeflags(struct pipe_context *pipe, const unsigned *edgeflags)
+llvmpipe_init_draw_funcs(struct llvmpipe_context *llvmpipe)
 {
-   struct llvmpipe_context *lp = llvmpipe_context(pipe);
-   draw_set_edgeflags(lp->draw, edgeflags);
+   llvmpipe->pipe.draw_vbo = llvmpipe_draw_vbo;
 }