Added few more stubs so that control reaches to DestroyDevice().
[mesa.git] / src / gallium / drivers / softpipe / sp_state_sampler.c
index be9d6457c8828cc8ce8eb66a7189a8036f2dba4c..2755f26bea294f838eb6524dd64de92efb6bdbef 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.
@@ -31,6 +31,7 @@
 
 #include "util/u_memory.h"
 #include "util/u_inlines.h"
+#include "util/format/u_format.h"
 
 #include "draw/draw_context.h"
 
@@ -39,6 +40,8 @@
 #include "sp_texture.h"
 #include "sp_tex_sample.h"
 #include "sp_tex_tile_cache.h"
+#include "sp_screen.h"
+#include "frontend/sw_winsys.h"
 
 
 /**
@@ -46,7 +49,7 @@
  */
 static void
 softpipe_bind_sampler_states(struct pipe_context *pipe,
-                             unsigned shader,
+                             enum pipe_shader_type shader,
                              unsigned start,
                              unsigned num,
                              void **samplers)
@@ -55,14 +58,7 @@ softpipe_bind_sampler_states(struct pipe_context *pipe,
    unsigned i;
 
    assert(shader < PIPE_SHADER_TYPES);
-   assert(start + num <= Elements(softpipe->samplers[shader]));
-
-   /* Check for no-op */
-   if (start + num <= softpipe->num_samplers[shader] &&
-       !memcmp(softpipe->samplers[shader] + start, samplers,
-               num * sizeof(void *))) {
-      return;
-   }
+   assert(start + num <= ARRAY_SIZE(softpipe->samplers[shader]));
 
    draw_flush(softpipe->draw);
 
@@ -101,7 +97,7 @@ softpipe_sampler_view_destroy(struct pipe_context *pipe,
 
 void
 softpipe_set_sampler_views(struct pipe_context *pipe,
-                           unsigned shader,
+                           enum pipe_shader_type shader,
                            unsigned start,
                            unsigned num,
                            struct pipe_sampler_view **views)
@@ -110,14 +106,7 @@ softpipe_set_sampler_views(struct pipe_context *pipe,
    uint i;
 
    assert(shader < PIPE_SHADER_TYPES);
-   assert(start + num <= Elements(softpipe->sampler_views[shader]));
-
-   /* Check for no-op */
-   if (start + num <= softpipe->num_sampler_views[shader] &&
-       !memcmp(softpipe->sampler_views[shader] + start, views,
-               num * sizeof(struct pipe_sampler_view *))) {
-      return;
-   }
+   assert(start + num <= ARRAY_SIZE(softpipe->sampler_views[shader]));
 
    draw_flush(softpipe->draw);
 
@@ -138,6 +127,7 @@ softpipe_set_sampler_views(struct pipe_context *pipe,
       if (sp_sviewsrc) {
          memcpy(sp_sviewdst, sp_sviewsrc, sizeof(*sp_sviewsrc));
          sp_sviewdst->compute_lambda = softpipe_get_lambda_func(&sp_sviewdst->base, shader);
+         sp_sviewdst->compute_lambda_from_grad = softpipe_get_lambda_from_grad_func(&sp_sviewdst->base, shader);
          sp_sviewdst->cache = softpipe->tex_cache[shader][start + i];
       }
       else {
@@ -166,37 +156,163 @@ softpipe_set_sampler_views(struct pipe_context *pipe,
 
 
 static void
-softpipe_set_fragment_sampler_views(struct pipe_context *pipe,
-                                    unsigned num,
-                                    struct pipe_sampler_view **views)
+softpipe_delete_sampler_state(struct pipe_context *pipe,
+                              void *sampler)
 {
-   softpipe_set_sampler_views(pipe, PIPE_SHADER_FRAGMENT, 0, num, views);
+   FREE( sampler );
 }
 
 
 static void
-softpipe_set_vertex_sampler_views(struct pipe_context *pipe,
-                                  unsigned num,
-                                  struct pipe_sampler_view **views)
+prepare_shader_sampling(
+   struct softpipe_context *sp,
+   unsigned num,
+   struct pipe_sampler_view **views,
+   enum pipe_shader_type shader_type,
+   struct pipe_resource *mapped_tex[PIPE_MAX_SHADER_SAMPLER_VIEWS])
 {
-   softpipe_set_sampler_views(pipe, PIPE_SHADER_VERTEX, 0, num, views);
+
+   unsigned i;
+   uint32_t row_stride[PIPE_MAX_TEXTURE_LEVELS];
+   uint32_t img_stride[PIPE_MAX_TEXTURE_LEVELS];
+   uint32_t mip_offsets[PIPE_MAX_TEXTURE_LEVELS];
+   const void *addr;
+
+   assert(num <= PIPE_MAX_SHADER_SAMPLER_VIEWS);
+   if (!num)
+      return;
+
+   for (i = 0; i < num; i++) {
+      struct pipe_sampler_view *view = views[i];
+
+      if (view) {
+         struct pipe_resource *tex = view->texture;
+         struct softpipe_resource *sp_tex = softpipe_resource(tex);
+         unsigned width0 = tex->width0;
+         unsigned num_layers = tex->depth0;
+         unsigned first_level = 0;
+         unsigned last_level = 0;
+
+         /* We're referencing the texture's internal data, so save a
+          * reference to it.
+          */
+         pipe_resource_reference(&mapped_tex[i], tex);
+
+         if (!sp_tex->dt) {
+            /* regular texture - setup array of mipmap level offsets */
+            ASSERTED struct pipe_resource *res = view->texture;
+            int j;
+
+            if (view->target != PIPE_BUFFER) {
+               first_level = view->u.tex.first_level;
+               last_level = view->u.tex.last_level;
+               assert(first_level <= last_level);
+               assert(last_level <= res->last_level);
+               addr = sp_tex->data;
+
+               for (j = first_level; j <= last_level; j++) {
+                  mip_offsets[j] = sp_tex->level_offset[j];
+                  row_stride[j] = sp_tex->stride[j];
+                  img_stride[j] = sp_tex->img_stride[j];
+               }
+               if (tex->target == PIPE_TEXTURE_1D_ARRAY ||
+                   tex->target == PIPE_TEXTURE_2D_ARRAY ||
+                   tex->target == PIPE_TEXTURE_CUBE ||
+                   tex->target == PIPE_TEXTURE_CUBE_ARRAY) {
+                  num_layers = view->u.tex.last_layer - view->u.tex.first_layer + 1;
+                  for (j = first_level; j <= last_level; j++) {
+                     mip_offsets[j] += view->u.tex.first_layer *
+                                       sp_tex->img_stride[j];
+                  }
+                  if (view->target == PIPE_TEXTURE_CUBE ||
+                      view->target == PIPE_TEXTURE_CUBE_ARRAY) {
+                     assert(num_layers % 6 == 0);
+                  }
+                  assert(view->u.tex.first_layer <= view->u.tex.last_layer);
+                  assert(view->u.tex.last_layer < res->array_size);
+               }
+            }
+            else {
+               unsigned view_blocksize = util_format_get_blocksize(view->format);
+               addr = sp_tex->data;
+               /* probably don't really need to fill that out */
+               mip_offsets[0] = 0;
+               row_stride[0] = 0;
+               img_stride[0] = 0;
+
+               /* everything specified in number of elements here. */
+               width0 = view->u.buf.size / view_blocksize;
+               addr = (uint8_t *)addr + view->u.buf.offset;
+               assert(view->u.buf.offset + view->u.buf.size <= res->width0);
+            }
+         }
+         else {
+            /* display target texture/surface */
+            /*
+             * XXX: Where should this be unmapped?
+             */
+            struct softpipe_screen *screen = softpipe_screen(tex->screen);
+            struct sw_winsys *winsys = screen->winsys;
+            addr = winsys->displaytarget_map(winsys, sp_tex->dt,
+                                             PIPE_TRANSFER_READ);
+            row_stride[0] = sp_tex->stride[0];
+            img_stride[0] = sp_tex->img_stride[0];
+            mip_offsets[0] = 0;
+            assert(addr);
+         }
+         draw_set_mapped_texture(sp->draw,
+                                 shader_type,
+                                 i,
+                                 width0, tex->height0, num_layers,
+                                 first_level, last_level, 0, 0,
+                                 addr,
+                                 row_stride, img_stride, mip_offsets);
+      }
+   }
 }
 
 
-static void
-softpipe_set_geometry_sampler_views(struct pipe_context *pipe,
-                                    unsigned num,
-                                    struct pipe_sampler_view **views)
+/**
+ * Called during state validation when SP_NEW_TEXTURE is set.
+ */
+void
+softpipe_prepare_vertex_sampling(struct softpipe_context *sp,
+                                 unsigned num,
+                                 struct pipe_sampler_view **views)
 {
-   softpipe_set_sampler_views(pipe, PIPE_SHADER_GEOMETRY, 0, num, views);
+   prepare_shader_sampling(sp, num, views, PIPE_SHADER_VERTEX,
+                           sp->mapped_vs_tex);
 }
 
+void
+softpipe_cleanup_vertex_sampling(struct softpipe_context *ctx)
+{
+   unsigned i;
+   for (i = 0; i < ARRAY_SIZE(ctx->mapped_vs_tex); i++) {
+      pipe_resource_reference(&ctx->mapped_vs_tex[i], NULL);
+   }
+}
 
-static void
-softpipe_delete_sampler_state(struct pipe_context *pipe,
-                              void *sampler)
+
+/**
+ * Called during state validation when SP_NEW_TEXTURE is set.
+ */
+void
+softpipe_prepare_geometry_sampling(struct softpipe_context *sp,
+                                   unsigned num,
+                                   struct pipe_sampler_view **views)
 {
-   FREE( sampler );
+   prepare_shader_sampling(sp, num, views, PIPE_SHADER_GEOMETRY,
+                           sp->mapped_gs_tex);
+}
+
+void
+softpipe_cleanup_geometry_sampling(struct softpipe_context *ctx)
+{
+   unsigned i;
+   for (i = 0; i < ARRAY_SIZE(ctx->mapped_gs_tex); i++) {
+      pipe_resource_reference(&ctx->mapped_gs_tex[i], NULL);
+   }
 }
 
 
@@ -207,11 +323,8 @@ softpipe_init_sampler_funcs(struct pipe_context *pipe)
    pipe->bind_sampler_states = softpipe_bind_sampler_states;
    pipe->delete_sampler_state = softpipe_delete_sampler_state;
 
-   pipe->set_fragment_sampler_views = softpipe_set_fragment_sampler_views;
-   pipe->set_vertex_sampler_views = softpipe_set_vertex_sampler_views;
-   pipe->set_geometry_sampler_views = softpipe_set_geometry_sampler_views;
-
    pipe->create_sampler_view = softpipe_create_sampler_view;
+   pipe->set_sampler_views = softpipe_set_sampler_views;
    pipe->sampler_view_destroy = softpipe_sampler_view_destroy;
 }