+++ /dev/null
-/**************************************************************************
- *
- * 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);
- }
-
-}
+++ /dev/null
-/**************************************************************************
- *
- * 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
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