1 files changed, 383 insertions, 0 deletions

diff --git a/src/gallium/drivers/svga/svga_surface.c b/src/gallium/drivers/svga/svga_surface.c
new file mode 100644
index 0000000000..126b078751
--- /dev/null
+++ b/src/gallium/drivers/svga/svga_surface.c
@@ -0,0 +1,383 @@
+/**********************************************************
+ * Copyright 2008-2009 VMware, Inc.  All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use, copy,
+ * modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * 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
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * 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 "svga_cmd.h"
+
+#include "pipe/p_state.h"
+#include "pipe/p_defines.h"
+#include "util/u_inlines.h"
+#include "os/os_thread.h"
+#include "util/u_format.h"
+#include "util/u_math.h"
+#include "util/u_memory.h"
+
+#include "svga_screen.h"
+#include "svga_context.h"
+#include "svga_resource_texture.h"
+#include "svga_surface.h"
+#include "svga_winsys.h"
+#include "svga_debug.h"
+
+#include <util/u_string.h>
+
+
+void
+svga_texture_copy_handle(struct svga_context *svga,
+                         struct svga_screen *ss,
+                         struct svga_winsys_surface *src_handle,
+                         unsigned src_x, unsigned src_y, unsigned src_z,
+                         unsigned src_level, unsigned src_face,
+                         struct svga_winsys_surface *dst_handle,
+                         unsigned dst_x, unsigned dst_y, unsigned dst_z,
+                         unsigned dst_level, unsigned dst_face,
+                         unsigned width, unsigned height, unsigned depth)
+{
+   struct svga_surface dst, src;
+   enum pipe_error ret;
+   SVGA3dCopyBox box, *boxes;
+
+   assert(svga || ss);
+
+   src.handle = src_handle;
+   src.real_level = src_level;
+   src.real_face = src_face;
+   src.real_zslice = 0;
+
+   dst.handle = dst_handle;
+   dst.real_level = dst_level;
+   dst.real_face = dst_face;
+   dst.real_zslice = 0;
+
+   box.x = dst_x;
+   box.y = dst_y;
+   box.z = dst_z;
+   box.w = width;
+   box.h = height;
+   box.d = depth;
+   box.srcx = src_x;
+   box.srcy = src_y;
+   box.srcz = src_z;
+
+/*
+   SVGA_DBG(DEBUG_VIEWS, "mipcopy src: %p %u (%ux%ux%u), dst: %p %u (%ux%ux%u)\n",
+            src_handle, src_level, src_x, src_y, src_z,
+            dst_handle, dst_level, dst_x, dst_y, dst_z);
+*/
+
+   if (svga) {
+      ret = SVGA3D_BeginSurfaceCopy(svga->swc,
+                                    &src.base,
+                                    &dst.base,
+                                    &boxes, 1);
+      if(ret != PIPE_OK) {
+         svga_context_flush(svga, NULL);
+         ret = SVGA3D_BeginSurfaceCopy(svga->swc,
+                                       &src.base,
+                                       &dst.base,
+                                       &boxes, 1);
+         assert(ret == PIPE_OK);
+      }
+      *boxes = box;
+      SVGA_FIFOCommitAll(svga->swc);
+   } else {
+      pipe_mutex_lock(ss->swc_mutex);
+      ret = SVGA3D_BeginSurfaceCopy(ss->swc,
+                                    &src.base,
+                                    &dst.base,
+                                    &boxes, 1);
+      if(ret != PIPE_OK) {
+         ss->swc->flush(ss->swc, NULL);
+         ret = SVGA3D_BeginSurfaceCopy(ss->swc,
+                                       &src.base,
+                                       &dst.base,
+                                       &boxes, 1);
+         assert(ret == PIPE_OK);
+      }
+      *boxes = box;
+      SVGA_FIFOCommitAll(ss->swc);
+      pipe_mutex_unlock(ss->swc_mutex);
+   }
+}
+
+
+struct svga_winsys_surface *
+svga_texture_view_surface(struct pipe_context *pipe,
+                          struct svga_texture *tex,
+                          SVGA3dSurfaceFormat format,
+                          unsigned start_mip,
+                          unsigned num_mip,
+                          int face_pick,
+                          int zslice_pick,
+                          struct svga_host_surface_cache_key *key) /* OUT */
+{
+   struct svga_screen *ss = svga_screen(pipe->screen);
+   struct svga_winsys_surface *handle;
+   uint32_t i, j;
+   unsigned z_offset = 0;
+
+   SVGA_DBG(DEBUG_PERF, 
+            "svga: Create surface view: face %d zslice %d mips %d..%d\n",
+            face_pick, zslice_pick, start_mip, start_mip+num_mip-1);
+
+   key->flags = 0;
+   key->format = format;
+   key->numMipLevels = num_mip;
+   key->size.width = u_minify(tex->b.b.width0, start_mip);
+   key->size.height = u_minify(tex->b.b.height0, start_mip);
+   key->size.depth = zslice_pick < 0 ? u_minify(tex->b.b.depth0, start_mip) : 1;
+   key->cachable = 1;
+   assert(key->size.depth == 1);
+   
+   if(tex->b.b.target == PIPE_TEXTURE_CUBE && face_pick < 0) {
+      key->flags |= SVGA3D_SURFACE_CUBEMAP;
+      key->numFaces = 6;
+   } else {
+      key->numFaces = 1;
+   }
+
+   if(key->format == SVGA3D_FORMAT_INVALID) {
+      key->cachable = 0;
+      return NULL;
+   }
+
+   SVGA_DBG(DEBUG_DMA, "surface_create for texture view\n");
+   handle = svga_screen_surface_create(ss, key);
+   if (!handle) {
+      key->cachable = 0;
+      return NULL;
+   }
+
+   SVGA_DBG(DEBUG_DMA, " --> got sid %p (texture view)\n", handle);
+
+   if (face_pick < 0)
+      face_pick = 0;
+
+   if (zslice_pick >= 0)
+       z_offset = zslice_pick;
+
+   for (i = 0; i < key->numMipLevels; i++) {
+      for (j = 0; j < key->numFaces; j++) {
+         if(tex->defined[j + face_pick][i + start_mip]) {
+            unsigned depth = (zslice_pick < 0 ?
+                              u_minify(tex->b.b.depth0, i + start_mip) :
+                              1);
+
+            svga_texture_copy_handle(svga_context(pipe),
+                                     ss,
+                                     tex->handle, 
+                                     0, 0, z_offset, 
+                                     i + start_mip, 
+                                     j + face_pick,
+                                     handle, 0, 0, 0, i, j,
+                                     u_minify(tex->b.b.width0, i + start_mip),
+                                     u_minify(tex->b.b.height0, i + start_mip),
+                                     depth);
+         }
+      }
+   }
+
+   return handle;
+}
+
+
+static struct pipe_surface *
+svga_get_tex_surface(struct pipe_screen *screen,
+                     struct pipe_resource *pt,
+                     unsigned face, unsigned level, unsigned zslice,
+                     unsigned flags)
+{
+   struct svga_texture *tex = svga_texture(pt);
+   struct svga_surface *s;
+   boolean render = (flags & (PIPE_BIND_RENDER_TARGET |
+			      PIPE_BIND_DEPTH_STENCIL)) ? TRUE : FALSE;
+   boolean view = FALSE;
+   SVGA3dSurfaceFormat format;
+
+   s = CALLOC_STRUCT(svga_surface);
+   if (!s)
+      return NULL;
+
+   pipe_reference_init(&s->base.reference, 1);
+   pipe_resource_reference(&s->base.texture, pt);
+   s->base.format = pt->format;
+   s->base.width = u_minify(pt->width0, level);
+   s->base.height = u_minify(pt->height0, level);
+   s->base.usage = flags;
+   s->base.level = level;
+   s->base.face = face;
+   s->base.zslice = zslice;
+
+   if (!render)
+      format = svga_translate_format(pt->format);
+   else
+      format = svga_translate_format_render(pt->format);
+
+   assert(format != SVGA3D_FORMAT_INVALID);
+
+   if (svga_screen(screen)->debug.force_surface_view)
+      view = TRUE;
+
+   /* Currently only used for compressed textures */
+   if (render && 
+       format != svga_translate_format(pt->format)) {
+      view = TRUE;
+   }
+
+   if (level != 0 && 
+       svga_screen(screen)->debug.force_level_surface_view)
+      view = TRUE;
+
+   if (pt->target == PIPE_TEXTURE_3D)
+      view = TRUE;
+
+   if (svga_screen(screen)->debug.no_surface_view)
+      view = FALSE;
+
+   if (view) {
+      SVGA_DBG(DEBUG_VIEWS, "svga: Surface view: yes %p, level %u face %u z %u, %p\n",
+               pt, level, face, zslice, s);
+
+      s->handle = svga_texture_view_surface(NULL, tex, format, level, 1, face, zslice,
+                                            &s->key);
+      s->real_face = 0;
+      s->real_level = 0;
+      s->real_zslice = 0;
+   } else {
+      SVGA_DBG(DEBUG_VIEWS, "svga: Surface view: no %p, level %u, face %u, z %u, %p\n",
+               pt, level, face, zslice, s);
+
+      memset(&s->key, 0, sizeof s->key);
+      s->handle = tex->handle;
+      s->real_face = face;
+      s->real_level = level;
+      s->real_zslice = zslice;
+   }
+
+   return &s->base;
+}
+
+
+static void
+svga_tex_surface_destroy(struct pipe_surface *surf)
+{
+   struct svga_surface *s = svga_surface(surf);
+   struct svga_texture *t = svga_texture(surf->texture);
+   struct svga_screen *ss = svga_screen(surf->texture->screen);
+
+   if(s->handle != t->handle) {
+      SVGA_DBG(DEBUG_DMA, "unref sid %p (tex surface)\n", s->handle);
+      svga_screen_surface_destroy(ss, &s->key, &s->handle);
+   }
+
+   pipe_resource_reference(&surf->texture, NULL);
+   FREE(surf);
+}
+
+
+static INLINE void 
+svga_mark_surface_dirty(struct pipe_surface *surf)
+{
+   struct svga_surface *s = svga_surface(surf);
+
+   if(!s->dirty) {
+      struct svga_texture *tex = svga_texture(surf->texture);
+
+      s->dirty = TRUE;
+
+      if (s->handle == tex->handle)
+         tex->defined[surf->face][surf->level] = TRUE;
+      else {
+         /* this will happen later in svga_propagate_surface */
+      }
+   }
+}
+
+
+void svga_mark_surfaces_dirty(struct svga_context *svga)
+{
+   unsigned i;
+
+   for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
+      if (svga->curr.framebuffer.cbufs[i])
+         svga_mark_surface_dirty(svga->curr.framebuffer.cbufs[i]);
+   }
+   if (svga->curr.framebuffer.zsbuf)
+      svga_mark_surface_dirty(svga->curr.framebuffer.zsbuf);
+}
+
+
+/**
+ * Progagate any changes from surfaces to texture.
+ * pipe is optional context to inline the blit command in.
+ */
+void
+svga_propagate_surface(struct pipe_context *pipe, struct pipe_surface *surf)
+{
+   struct svga_surface *s = svga_surface(surf);
+   struct svga_texture *tex = svga_texture(surf->texture);
+   struct svga_screen *ss = svga_screen(surf->texture->screen);
+
+   if (!s->dirty)
+      return;
+
+   s->dirty = FALSE;
+   ss->texture_timestamp++;
+   tex->view_age[surf->level] = ++(tex->age);
+
+   if (s->handle != tex->handle) {
+      SVGA_DBG(DEBUG_VIEWS, "svga: Surface propagate: tex %p, level %u, from %p\n", tex, surf->level, surf);
+      svga_texture_copy_handle(svga_context(pipe), ss,
+                               s->handle, 0, 0, 0, s->real_level, s->real_face,
+                               tex->handle, 0, 0, surf->zslice, surf->level, surf->face,
+                               u_minify(tex->b.b.width0, surf->level),
+                               u_minify(tex->b.b.height0, surf->level), 1);
+      tex->defined[surf->face][surf->level] = TRUE;
+   }
+}
+
+/**
+ * Check if we should call svga_propagate_surface on the surface.
+ */
+boolean
+svga_surface_needs_propagation(struct pipe_surface *surf)
+{
+   struct svga_surface *s = svga_surface(surf);
+   struct svga_texture *tex = svga_texture(surf->texture);
+
+   return s->dirty && s->handle != tex->handle;
+}
+
+
+
+
+
+
+void
+svga_screen_init_surface_functions(struct pipe_screen *screen)
+{
+   screen->get_tex_surface = svga_get_tex_surface;
+   screen->tex_surface_destroy = svga_tex_surface_destroy;
+}
+