Lift intel_mipmap_tree.c to st_mipmap_tree.c

11 files changed, 406 insertions, 8 deletions

diff --git a/src/mesa/drivers/dri/i915pipe/Makefile b/src/mesa/drivers/dri/i915pipe/Makefile
index 4e8d020196..f9403abd73 100644
--- a/src/mesa/drivers/dri/i915pipe/Makefile
+++ b/src/mesa/drivers/dri/i915pipe/Makefile
@@ -13,7 +13,6 @@ DRIVER_SOURCES = \
 	intel_softpipe.c \
 	intel_buffer_objects.c \
 	intel_batchbuffer.c \
-	intel_mipmap_tree.c \
 	intel_tex_layout.c \
 	intel_tex_image.c \
 	intel_tex_subimage.c \
diff --git a/src/mesa/drivers/dri/i915pipe/intel_fbo.c b/src/mesa/drivers/dri/i915pipe/intel_fbo.c
index fe5b1a37df..061c6bfa1f 100644
--- a/src/mesa/drivers/dri/i915pipe/intel_fbo.c
+++ b/src/mesa/drivers/dri/i915pipe/intel_fbo.c
@@ -39,7 +39,7 @@
 #include "intel_buffers.h"
 #include "intel_depthstencil.h"
 #include "intel_fbo.h"
-#include "intel_mipmap_tree.h"
+#include "state_tracker/st_mipmap_tree.h"
 #include "intel_tex.h"
 
 #include "pipe/p_context.h"
diff --git a/src/mesa/drivers/dri/i915pipe/intel_tex.c b/src/mesa/drivers/dri/i915pipe/intel_tex.c
index 5e9ab1c9ca..c2f5727e6b 100644
--- a/src/mesa/drivers/dri/i915pipe/intel_tex.c
+++ b/src/mesa/drivers/dri/i915pipe/intel_tex.c
@@ -1,6 +1,6 @@
 #include "texobj.h"
 #include "intel_context.h"
-#include "intel_mipmap_tree.h"
+#include "state_tracker/st_mipmap_tree.h"
 #include "intel_tex.h"
 
 #define FILE_DEBUG_FLAG DEBUG_TEXTURE
diff --git a/src/mesa/drivers/dri/i915pipe/intel_tex_copy.c b/src/mesa/drivers/dri/i915pipe/intel_tex_copy.c
index bf06b5fed5..88cdee4583 100644
--- a/src/mesa/drivers/dri/i915pipe/intel_tex_copy.c
+++ b/src/mesa/drivers/dri/i915pipe/intel_tex_copy.c
@@ -35,7 +35,7 @@
 #include "intel_context.h"
 #include "intel_batchbuffer.h"
 #include "intel_buffers.h"
-#include "intel_mipmap_tree.h"
+#include "state_tracker/st_mipmap_tree.h"
 #include "intel_fbo.h"
 #include "intel_tex.h"
 #include "intel_blit.h"
diff --git a/src/mesa/drivers/dri/i915pipe/intel_tex_image.c b/src/mesa/drivers/dri/i915pipe/intel_tex_image.c
index 19aa61ae83..ea7b26b7f1 100644
--- a/src/mesa/drivers/dri/i915pipe/intel_tex_image.c
+++ b/src/mesa/drivers/dri/i915pipe/intel_tex_image.c
@@ -18,7 +18,7 @@
 #include "intel_context.h"
 #include "intel_buffer_objects.h"
 #include "intel_batchbuffer.h"
-#include "intel_mipmap_tree.h"
+#include "state_tracker/st_mipmap_tree.h"
 #include "intel_tex.h"
 #include "intel_ioctl.h"
 #include "intel_blit.h"
diff --git a/src/mesa/drivers/dri/i915pipe/intel_tex_subimage.c b/src/mesa/drivers/dri/i915pipe/intel_tex_subimage.c
index 50ffd0ed1d..27b56e907d 100644
--- a/src/mesa/drivers/dri/i915pipe/intel_tex_subimage.c
+++ b/src/mesa/drivers/dri/i915pipe/intel_tex_subimage.c
@@ -33,7 +33,7 @@
 
 #include "intel_context.h"
 #include "intel_tex.h"
-#include "intel_mipmap_tree.h"
+#include "state_tracker/st_mipmap_tree.h"
 
 #include "pipe/p_context.h"
 
diff --git a/src/mesa/drivers/dri/i915pipe/intel_tex_validate.c b/src/mesa/drivers/dri/i915pipe/intel_tex_validate.c
index 4b06e1803c..2083a2434d 100644
--- a/src/mesa/drivers/dri/i915pipe/intel_tex_validate.c
+++ b/src/mesa/drivers/dri/i915pipe/intel_tex_validate.c
@@ -1,7 +1,7 @@
 #include "mtypes.h"
 #include "macros.h"
 
-#include "intel_mipmap_tree.h"
+#include "state_tracker/st_mipmap_tree.h"
 #include "intel_tex.h"
 
 #include "pipe/p_state.h"
diff --git a/src/mesa/drivers/dri/intel/intel_tex_layout.c b/src/mesa/drivers/dri/intel/intel_tex_layout.c
index 61b8fb77c5..433a2c5f47 100644
--- a/src/mesa/drivers/dri/intel/intel_tex_layout.c
+++ b/src/mesa/drivers/dri/intel/intel_tex_layout.c
@@ -33,7 +33,7 @@
 #include "macros.h"
 #include "pipe/p_state.h"
 #include "intel_tex_layout.h"
-#include "intel_mipmap_tree.h"
+#include "state_tracker/st_mipmap_tree.h"
 
 
 static GLuint minify( GLuint d )
diff --git a/src/mesa/sources b/src/mesa/sources
index bd1bbd4299..bef9929f34 100644
--- a/src/mesa/sources
+++ b/src/mesa/sources
@@ -199,6 +199,7 @@ STATETRACKER_SOURCES = \
 	state_tracker/st_cb_bufferobjects.c \
 	state_tracker/st_draw.c \
 	state_tracker/st_context.c \
+	state_tracker/st_mipmap_tree.c \
 	state_tracker/st_texobj.c
 
 SHADER_SOURCES = \
diff --git a/src/mesa/state_tracker/st_mipmap_tree.c b/src/mesa/state_tracker/st_mipmap_tree.c
new file mode 100644
index 0000000000..1a9aa10115
--- /dev/null
+++ b/src/mesa/state_tracker/st_mipmap_tree.c
@@ -0,0 +1,293 @@
+/**************************************************************************
+ * 
+ * Copyright 2006 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * 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, sub license, 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 (including the
+ * next paragraph) 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 NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS 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.
+ * 
+ **************************************************************************/
+
+#include "intel_mipmap_tree.h"
+#include "enums.h"
+
+#include "pipe/p_state.h"
+#include "pipe/p_context.h"
+
+
+#define DBG if(0) printf
+
+static GLenum
+target_to_target(GLenum target)
+{
+   switch (target) {
+   case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB:
+   case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB:
+   case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB:
+   case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB:
+   case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB:
+   case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB:
+      return GL_TEXTURE_CUBE_MAP_ARB;
+   default:
+      return target;
+   }
+}
+
+struct pipe_mipmap_tree *
+st_miptree_create(struct pipe_context *pipe,
+                     GLenum target,
+                     GLenum internal_format,
+                     GLuint first_level,
+                     GLuint last_level,
+                     GLuint width0,
+                     GLuint height0,
+                     GLuint depth0, GLuint cpp, GLuint compress_byte)
+{
+   GLboolean ok;
+   struct pipe_mipmap_tree *mt = calloc(sizeof(*mt), 1);
+
+   DBG("%s target %s format %s level %d..%d\n", __FUNCTION__,
+       _mesa_lookup_enum_by_nr(target),
+       _mesa_lookup_enum_by_nr(internal_format), first_level, last_level);
+
+   mt->target = target_to_target(target);
+   mt->internal_format = internal_format;
+   mt->first_level = first_level;
+   mt->last_level = last_level;
+   mt->width0 = width0;
+   mt->height0 = height0;
+   mt->depth0 = depth0;
+   mt->cpp = compress_byte ? compress_byte : cpp;
+   mt->compressed = compress_byte ? 1 : 0;
+   mt->refcount = 1; 
+
+   ok = pipe->mipmap_tree_layout(pipe, mt);
+   if (ok)
+      mt->region = pipe->region_alloc(pipe,
+                                      mt->cpp, mt->pitch, mt->total_height);
+
+   if (!mt->region) {
+      free(mt);
+      return NULL;
+   }
+
+   return mt;
+}
+
+
+void
+st_miptree_reference(struct pipe_mipmap_tree **dst,
+                        struct pipe_mipmap_tree *src)
+{
+   src->refcount++;
+   *dst = src;
+   DBG("%s %p refcount now %d\n", __FUNCTION__, src, src->refcount);
+}
+
+void
+st_miptree_release(struct pipe_context *pipe,
+                   struct pipe_mipmap_tree **mt)
+{
+   if (!*mt)
+      return;
+
+   DBG("%s %p refcount will be %d\n", __FUNCTION__, *mt, (*mt)->refcount - 1);
+   if (--(*mt)->refcount <= 0) {
+      GLuint i;
+
+      DBG("%s deleting %p\n", __FUNCTION__, *mt);
+
+      pipe->region_release(pipe, &((*mt)->region));
+
+      for (i = 0; i < MAX_TEXTURE_LEVELS; i++)
+         if ((*mt)->level[i].image_offset)
+            free((*mt)->level[i].image_offset);
+
+      free(*mt);
+   }
+   *mt = NULL;
+}
+
+
+
+
+/* Can the image be pulled into a unified mipmap tree.  This mirrors
+ * the completeness test in a lot of ways.
+ *
+ * Not sure whether I want to pass gl_texture_image here.
+ */
+GLboolean
+st_miptree_match_image(struct pipe_mipmap_tree *mt,
+                          struct gl_texture_image *image,
+                          GLuint face, GLuint level)
+{
+   /* Images with borders are never pulled into mipmap trees. 
+    */
+   if (image->Border) 
+      return GL_FALSE;
+
+   if (image->InternalFormat != mt->internal_format ||
+       image->IsCompressed != mt->compressed)
+      return GL_FALSE;
+
+   /* Test image dimensions against the base level image adjusted for
+    * minification.  This will also catch images not present in the
+    * tree, changed targets, etc.
+    */
+   if (image->Width != mt->level[level].width ||
+       image->Height != mt->level[level].height ||
+       image->Depth != mt->level[level].depth)
+      return GL_FALSE;
+
+   return GL_TRUE;
+}
+
+
+/* Although we use the image_offset[] array to store relative offsets
+ * to cube faces, Mesa doesn't know anything about this and expects
+ * each cube face to be treated as a separate image.
+ *
+ * These functions present that view to mesa:
+ */
+const GLuint *
+st_miptree_depth_offsets(struct pipe_mipmap_tree *mt, GLuint level)
+{
+   static const GLuint zero = 0;
+
+   if (mt->target != GL_TEXTURE_3D || mt->level[level].nr_images == 1)
+      return &zero;
+   else
+      return mt->level[level].image_offset;
+}
+
+
+GLuint
+st_miptree_image_offset(struct pipe_mipmap_tree * mt,
+                        GLuint face, GLuint level)
+{
+   if (mt->target == GL_TEXTURE_CUBE_MAP_ARB)
+      return (mt->level[level].level_offset +
+              mt->level[level].image_offset[face] * mt->cpp);
+   else
+      return mt->level[level].level_offset;
+}
+
+
+
+/**
+ * Map a teximage in a mipmap tree.
+ * \param row_stride  returns row stride in bytes
+ * \param image_stride  returns image stride in bytes (for 3D textures).
+ * \return address of mapping
+ */
+GLubyte *
+st_miptree_image_map(struct pipe_context *pipe,
+                        struct pipe_mipmap_tree * mt,
+                        GLuint face,
+                        GLuint level,
+                        GLuint * row_stride, GLuint * image_offsets)
+{
+   GLubyte *ptr;
+   DBG("%s \n", __FUNCTION__);
+
+   if (row_stride)
+      *row_stride = mt->pitch * mt->cpp;
+
+   if (image_offsets)
+      memcpy(image_offsets, mt->level[level].image_offset,
+             mt->level[level].depth * sizeof(GLuint));
+
+   ptr = pipe->region_map(pipe, mt->region);
+
+   return ptr + st_miptree_image_offset(mt, face, level);
+}
+
+void
+st_miptree_image_unmap(struct pipe_context *pipe,
+                          struct pipe_mipmap_tree *mt)
+{
+   DBG("%s\n", __FUNCTION__);
+   pipe->region_unmap(pipe, mt->region);
+}
+
+
+
+/* Upload data for a particular image.
+ */
+void
+st_miptree_image_data(struct pipe_context *pipe,
+                         struct pipe_mipmap_tree *dst,
+                         GLuint face,
+                         GLuint level,
+                         void *src,
+                         GLuint src_row_pitch, GLuint src_image_pitch)
+{
+   GLuint depth = dst->level[level].depth;
+   GLuint dst_offset = st_miptree_image_offset(dst, face, level);
+   const GLuint *dst_depth_offset = st_miptree_depth_offsets(dst, level);
+   GLuint i;
+   GLuint height = 0;
+
+   DBG("%s\n", __FUNCTION__);
+   for (i = 0; i < depth; i++) {
+      height = dst->level[level].height;
+      if(dst->compressed)
+	 height /= 4;
+      pipe->region_data(pipe, dst->region,
+                        dst_offset + dst_depth_offset[i], /* dst_offset */
+                        0, 0,                             /* dstx, dsty */
+                        src,
+                        src_row_pitch,
+                        0, 0,                             /* source x, y */
+                        dst->level[level].width, height); /* width, height */
+
+      src += src_image_pitch * dst->cpp;
+   }
+}
+
+/* Copy mipmap image between trees
+ */
+void
+st_miptree_image_copy(struct pipe_context *pipe,
+                         struct pipe_mipmap_tree *dst,
+                         GLuint face, GLuint level,
+                         struct pipe_mipmap_tree *src)
+{
+   GLuint width = src->level[level].width;
+   GLuint height = src->level[level].height;
+   GLuint depth = src->level[level].depth;
+   GLuint dst_offset = st_miptree_image_offset(dst, face, level);
+   GLuint src_offset = st_miptree_image_offset(src, face, level);
+   const GLuint *dst_depth_offset = st_miptree_depth_offsets(dst, level);
+   const GLuint *src_depth_offset = st_miptree_depth_offsets(src, level);
+   GLuint i;
+
+   if (dst->compressed)
+      height /= 4;
+   for (i = 0; i < depth; i++) {
+      pipe->region_copy(pipe,
+                        dst->region, dst_offset + dst_depth_offset[i],
+                        0,
+                        0,
+                        src->region, src_offset + src_depth_offset[i],
+                        0, 0, width, height);
+   }
+
+}
diff --git a/src/mesa/state_tracker/st_mipmap_tree.h b/src/mesa/state_tracker/st_mipmap_tree.h
new file mode 100644
index 0000000000..eafe47c029
--- /dev/null
+++ b/src/mesa/state_tracker/st_mipmap_tree.h
@@ -0,0 +1,105 @@
+/**************************************************************************
+ * 
+ * Copyright 2006 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * 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, sub license, 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 (including the
+ * next paragraph) 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 NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS 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.
+ * 
+ **************************************************************************/
+
+#ifndef INTEL_MIPMAP_TREE_H
+#define INTEL_MIPMAP_TREE_H
+
+
+#include "main/mtypes.h"
+
+struct pipe_context;
+struct pipe_mipmap_tree;
+struct pipe_region;
+
+
+struct pipe_mipmap_tree *st_miptree_create(struct pipe_context *pipe,
+                                               GLenum target,
+                                               GLenum internal_format,
+                                               GLuint first_level,
+                                               GLuint last_level,
+                                               GLuint width0,
+                                               GLuint height0,
+                                               GLuint depth0,
+                                               GLuint cpp,
+                                               GLuint compress_byte);
+
+void st_miptree_reference(struct pipe_mipmap_tree **dst,
+                             struct pipe_mipmap_tree *src);
+
+void st_miptree_release(struct pipe_context *pipe,
+                           struct pipe_mipmap_tree **mt);
+
+/* Check if an image fits an existing mipmap tree layout
+ */
+GLboolean st_miptree_match_image(struct pipe_mipmap_tree *mt,
+                                    struct gl_texture_image *image,
+                                    GLuint face, GLuint level);
+
+/* Return a pointer to an image within a tree.  Return image stride as
+ * well.
+ */
+GLubyte *st_miptree_image_map(struct pipe_context *pipe,
+                                 struct pipe_mipmap_tree *mt,
+                                 GLuint face,
+                                 GLuint level,
+                                 GLuint * row_stride, GLuint * image_stride);
+
+void st_miptree_image_unmap(struct pipe_context *pipe,
+                               struct pipe_mipmap_tree *mt);
+
+
+/* Return the linear offset of an image relative to the start of the
+ * tree:
+ */
+GLuint st_miptree_image_offset(struct pipe_mipmap_tree *mt,
+                               GLuint face, GLuint level);
+
+/* Return pointers to each 2d slice within an image.  Indexed by depth
+ * value.
+ */
+const GLuint *st_miptree_depth_offsets(struct pipe_mipmap_tree *mt,
+                                       GLuint level);
+
+
+/* Upload an image into a tree
+ */
+void st_miptree_image_data(struct pipe_context *pipe,
+                              struct pipe_mipmap_tree *dst,
+                              GLuint face,
+                              GLuint level,
+                              void *src,
+                              GLuint src_row_pitch, GLuint src_image_pitch);
+
+/* Copy an image between two trees
+ */
+void st_miptree_image_copy(struct pipe_context *pipe,
+                              struct pipe_mipmap_tree *dst,
+                              GLuint face, GLuint level,
+                              struct pipe_mipmap_tree *src);
+
+
+#endif