llvmpipe: import experimental softpipe rasterizer code, wip binning code

WIP, does't build or run.

Rasterizer code is based on Nick Capen's devmaster posts and the
larrabee articles, but currently doesn't share either the performance
or correctness of either...

1 files changed, 30 insertions, 75 deletions

diff --git a/src/gallium/drivers/llvmpipe/lp_prim_vbuf.c b/src/gallium/drivers/llvmpipe/lp_prim_vbuf.c
index c394dcb61d..e244ac9087 100644
--- a/src/gallium/drivers/llvmpipe/lp_prim_vbuf.c
+++ b/src/gallium/drivers/llvmpipe/lp_prim_vbuf.c
@@ -39,7 +39,6 @@
 #include "lp_context.h"
 #include "lp_state.h"
 #include "lp_prim_vbuf.h"
-#include "lp_prim_setup.h"
 #include "lp_setup.h"
 #include "draw/draw_context.h"
 #include "draw/draw_vbuf.h"
@@ -59,6 +58,8 @@ struct llvmpipe_vbuf_render
 {
    struct vbuf_render base;
    struct llvmpipe_context *llvmpipe;
+   struct setup_context *setup;
+
    uint prim;
    uint vertex_size;
    uint nr_vertices;
@@ -75,6 +76,11 @@ llvmpipe_vbuf_render(struct vbuf_render *vbr)
 }
 
 
+
+
+
+
+
 static const struct vertex_info *
 lp_vbuf_get_vertex_info(struct vbuf_render *vbr)
 {
@@ -105,36 +111,6 @@ lp_vbuf_allocate_vertices(struct vbuf_render *vbr,
 static void
 lp_vbuf_release_vertices(struct vbuf_render *vbr)
 {
-#if 0
-   {
-      struct llvmpipe_vbuf_render *cvbr = llvmpipe_vbuf_render(vbr);
-      const struct vertex_info *info = 
-         llvmpipe_get_vbuf_vertex_info(cvbr->llvmpipe);
-      const float *vtx = (const float *) cvbr->vertex_buffer;
-      uint i, j;
-      debug_printf("%s (vtx_size = %u,  vtx_used = %u)\n",
-             __FUNCTION__, cvbr->vertex_size, cvbr->nr_vertices);
-      for (i = 0; i < cvbr->nr_vertices; i++) {
-         for (j = 0; j < info->num_attribs; j++) {
-            uint k;
-            switch (info->attrib[j].emit) {
-            case EMIT_4F:  k = 4;   break;
-            case EMIT_3F:  k = 3;   break;
-            case EMIT_2F:  k = 2;   break;
-            case EMIT_1F:  k = 1;   break;
-            default: assert(0);
-            }
-            debug_printf("Vert %u attr %u: ", i, j);
-            while (k-- > 0) {
-               debug_printf("%g ", vtx[0]);
-               vtx++;
-            }
-            debug_printf("\n");
-         }
-      }
-   }
-#endif
-
    /* keep the old allocation for next time */
 }
 
@@ -160,12 +136,8 @@ static boolean
 lp_vbuf_set_primitive(struct vbuf_render *vbr, unsigned prim)
 {
    struct llvmpipe_vbuf_render *cvbr = llvmpipe_vbuf_render(vbr);
+   struct setup_context *setup_ctx = cvbr->setup;
 
-   /* XXX: break this dependency - make setup_context live under
-    * llvmpipe, rename the old "setup" draw stage to something else.
-    */
-   struct setup_context *setup_ctx = lp_draw_setup_context(cvbr->llvmpipe->setup);
-   
    llvmpipe_setup_prepare( setup_ctx );
 
    cvbr->llvmpipe->reduced_prim = u_reduced_prim(prim);
@@ -193,14 +165,9 @@ lp_vbuf_draw(struct vbuf_render *vbr, const ushort *indices, uint nr)
    struct llvmpipe_context *llvmpipe = cvbr->llvmpipe;
    const unsigned stride = llvmpipe->vertex_info_vbuf.size * sizeof(float);
    const void *vertex_buffer = cvbr->vertex_buffer;
+   struct setup_context *setup_ctx = cvbr->setup;
    unsigned i;
 
-   /* XXX: break this dependency - make setup_context live under
-    * llvmpipe, rename the old "setup" draw stage to something else.
-    */
-   struct draw_stage *setup = llvmpipe->setup;
-   struct setup_context *setup_ctx = lp_draw_setup_context(setup);
-
    switch (cvbr->prim) {
    case PIPE_PRIM_POINTS:
       for (i = 0; i < nr; i++) {
@@ -367,11 +334,6 @@ lp_vbuf_draw(struct vbuf_render *vbr, const ushort *indices, uint nr)
    default:
       assert(0);
    }
-
-   /* XXX: why are we calling this???  If we had to call something, it
-    * would be a function in lp_setup.c:
-    */
-   lp_draw_flush( setup );
 }
 
 
@@ -384,17 +346,12 @@ lp_vbuf_draw_arrays(struct vbuf_render *vbr, uint start, uint nr)
 {
    struct llvmpipe_vbuf_render *cvbr = llvmpipe_vbuf_render(vbr);
    struct llvmpipe_context *llvmpipe = cvbr->llvmpipe;
+   struct setup_context *setup_ctx = cvbr->setup;
    const unsigned stride = llvmpipe->vertex_info_vbuf.size * sizeof(float);
    const void *vertex_buffer =
       (void *) get_vert(cvbr->vertex_buffer, start, stride);
    unsigned i;
 
-   /* XXX: break this dependency - make setup_context live under
-    * llvmpipe, rename the old "setup" draw stage to something else.
-    */
-   struct draw_stage *setup = llvmpipe->setup;
-   struct setup_context *setup_ctx = lp_draw_setup_context(setup);
-
    switch (cvbr->prim) {
    case PIPE_PRIM_POINTS:
       for (i = 0; i < nr; i++) {
@@ -568,40 +525,38 @@ static void
 lp_vbuf_destroy(struct vbuf_render *vbr)
 {
    struct llvmpipe_vbuf_render *cvbr = llvmpipe_vbuf_render(vbr);
-   cvbr->llvmpipe->vbuf_render = NULL;
+   llvmpipe_setup_destroy_context(cvbr->setup);
    FREE(cvbr);
 }
 
 
 /**
- * Initialize the post-transform vertex buffer information for the given
- * context.
+ * Create the post-transform vertex handler for the given context.
  */
-void
-lp_init_vbuf(struct llvmpipe_context *lp)
+struct vbuf_render *
+lp_create_vbuf_backend(struct llvmpipe_context *lp)
 {
-   assert(lp->draw);
+   struct llvmpipe_vbuf_render *cvbr = CALLOC_STRUCT(llvmpipe_vbuf_render);
 
-   lp->vbuf_render = CALLOC_STRUCT(llvmpipe_vbuf_render);
+   assert(lp->draw);
 
-   lp->vbuf_render->base.max_indices = LP_MAX_VBUF_INDEXES;
-   lp->vbuf_render->base.max_vertex_buffer_bytes = LP_MAX_VBUF_SIZE;
 
-   lp->vbuf_render->base.get_vertex_info = lp_vbuf_get_vertex_info;
-   lp->vbuf_render->base.allocate_vertices = lp_vbuf_allocate_vertices;
-   lp->vbuf_render->base.map_vertices = lp_vbuf_map_vertices;
-   lp->vbuf_render->base.unmap_vertices = lp_vbuf_unmap_vertices;
-   lp->vbuf_render->base.set_primitive = lp_vbuf_set_primitive;
-   lp->vbuf_render->base.draw = lp_vbuf_draw;
-   lp->vbuf_render->base.draw_arrays = lp_vbuf_draw_arrays;
-   lp->vbuf_render->base.release_vertices = lp_vbuf_release_vertices;
-   lp->vbuf_render->base.destroy = lp_vbuf_destroy;
+   cvbr->base.max_indices = LP_MAX_VBUF_INDEXES;
+   cvbr->base.max_vertex_buffer_bytes = LP_MAX_VBUF_SIZE;
 
-   lp->vbuf_render->llvmpipe = lp;
+   cvbr->base.get_vertex_info = lp_vbuf_get_vertex_info;
+   cvbr->base.allocate_vertices = lp_vbuf_allocate_vertices;
+   cvbr->base.map_vertices = lp_vbuf_map_vertices;
+   cvbr->base.unmap_vertices = lp_vbuf_unmap_vertices;
+   cvbr->base.set_primitive = lp_vbuf_set_primitive;
+   cvbr->base.draw = lp_vbuf_draw;
+   cvbr->base.draw_arrays = lp_vbuf_draw_arrays;
+   cvbr->base.release_vertices = lp_vbuf_release_vertices;
+   cvbr->base.destroy = lp_vbuf_destroy;
 
-   lp->vbuf = draw_vbuf_stage(lp->draw, &lp->vbuf_render->base);
+   cvbr->llvmpipe = lp;
 
-   draw_set_rasterize_stage(lp->draw, lp->vbuf);
+   cvbr->setup = llvmpipe_setup_create_context(cvbr->llvmpipe);
 
-   draw_set_render(lp->draw, &lp->vbuf_render->base);
+   return &cvbr->base;
 }