--- /dev/null
+#include "main/mtypes.h"
+#include "main/macros.h"
+#include "main/samplerobj.h"
+#include "main/teximage.h"
+#include "main/texobj.h"
+
+#include "intel_context.h"
+#include "intel_mipmap_tree.h"
+#include "intel_blit.h"
+#include "intel_tex.h"
+#include "intel_tex_layout.h"
+
+#define FILE_DEBUG_FLAG DEBUG_TEXTURE
+
+/**
+ * When validating, we only care about the texture images that could
+ * be seen, so for non-mipmapped modes we want to ignore everything
+ * but BaseLevel.
+ */
+static void
+intel_update_max_level(struct intel_texture_object *intelObj,
+ struct gl_sampler_object *sampler)
+{
+ struct gl_texture_object *tObj = &intelObj->base;
+ int maxlevel;
+
+ if (sampler->MinFilter == GL_NEAREST ||
+ sampler->MinFilter == GL_LINEAR) {
+ maxlevel = tObj->BaseLevel;
+ } else {
+ maxlevel = tObj->_MaxLevel;
+ }
+
+ if (intelObj->_MaxLevel != maxlevel) {
+ intelObj->_MaxLevel = maxlevel;
+ intelObj->needs_validate = true;
+ }
+}
+
+/*
+ */
+GLuint
+intel_finalize_mipmap_tree(struct intel_context *intel, GLuint unit)
+{
+ struct gl_context *ctx = &intel->ctx;
+ struct gl_texture_object *tObj = intel->ctx.Texture.Unit[unit]._Current;
+ struct intel_texture_object *intelObj = intel_texture_object(tObj);
+ struct gl_sampler_object *sampler = _mesa_get_samplerobj(ctx, unit);
+ GLuint face, i;
+ GLuint nr_faces = 0;
+ struct intel_texture_image *firstImage;
+ int width, height, depth;
+
+ /* TBOs require no validation -- they always just point to their BO. */
+ if (tObj->Target == GL_TEXTURE_BUFFER)
+ return true;
+
+ /* We know/require this is true by now:
+ */
+ assert(intelObj->base._BaseComplete);
+
+ /* What levels must the tree include at a minimum?
+ */
+ intel_update_max_level(intelObj, sampler);
+ if (intelObj->mt && intelObj->mt->first_level != tObj->BaseLevel)
+ intelObj->needs_validate = true;
+
+ if (!intelObj->needs_validate)
+ return true;
+
+ firstImage = intel_texture_image(tObj->Image[0][tObj->BaseLevel]);
+
+ /* Check tree can hold all active levels. Check tree matches
+ * target, imageFormat, etc.
+ *
+ * For pre-gen4, we have to match first_level == tObj->BaseLevel,
+ * because we don't have the control that gen4 does to make min/mag
+ * determination happen at a nonzero (hardware) baselevel. Because
+ * of that, we just always relayout on baselevel change.
+ */
+ if (intelObj->mt &&
+ (!intel_miptree_match_image(intelObj->mt, &firstImage->base.Base) ||
+ intelObj->mt->first_level != tObj->BaseLevel ||
+ intelObj->mt->last_level < intelObj->_MaxLevel)) {
+ intel_miptree_release(&intelObj->mt);
+ }
+
+
+ /* May need to create a new tree:
+ */
+ if (!intelObj->mt) {
+ intel_miptree_get_dimensions_for_image(&firstImage->base.Base,
+ &width, &height, &depth);
+
+ perf_debug("Creating new %s %dx%dx%d %d..%d miptree to handle finalized "
+ "texture miptree.\n",
+ _mesa_get_format_name(firstImage->base.Base.TexFormat),
+ width, height, depth, tObj->BaseLevel, intelObj->_MaxLevel);
+
+ intelObj->mt = intel_miptree_create(intel,
+ intelObj->base.Target,
+ firstImage->base.Base.TexFormat,
+ tObj->BaseLevel,
+ intelObj->_MaxLevel,
+ width,
+ height,
+ depth,
+ true,
+ INTEL_MIPTREE_TILING_ANY);
+ if (!intelObj->mt)
+ return false;
+ }
+
+ /* Pull in any images not in the object's tree:
+ */
+ nr_faces = _mesa_num_tex_faces(intelObj->base.Target);
+ for (face = 0; face < nr_faces; face++) {
+ for (i = tObj->BaseLevel; i <= intelObj->_MaxLevel; i++) {
+ struct intel_texture_image *intelImage =
+ intel_texture_image(intelObj->base.Image[face][i]);
+ /* skip too small size mipmap */
+ if (intelImage == NULL)
+ break;
+
+ if (intelObj->mt != intelImage->mt) {
+ intel_miptree_copy_teximage(intel, intelImage, intelObj->mt,
+ false /* invalidate */);
+ }
+
+ /* After we're done, we'd better agree that our layout is
+ * appropriate, or we'll end up hitting this function again on the
+ * next draw
+ */
+ assert(intel_miptree_match_image(intelObj->mt, &intelImage->base.Base));
+ }
+ }
+
+ intelObj->needs_validate = false;
+
+ return true;
+}