+++ /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_context.h"
-#include "intel_mipmap_tree.h"
-#include "intel_regions.h"
-#include "bufmgr.h"
-#include "enums.h"
-#include "imports.h"
-
-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 intel_mipmap_tree *intel_miptree_create( struct intel_context *intel,
- GLenum target,
- GLenum internal_format,
- GLuint first_level,
- GLuint last_level,
- GLuint width0,
- GLuint height0,
- GLuint depth0,
- GLuint cpp,
- GLboolean compressed)
-{
- GLboolean ok;
- struct intel_mipmap_tree *mt = calloc(sizeof(*mt), 1);
-
- if (INTEL_DEBUG & DEBUG_TEXTURE)
- _mesa_printf("%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 = cpp;
- mt->compressed = compressed;
-
- switch (intel->intelScreen->deviceID) {
-#if 0
- case PCI_CHIP_I945_G:
- ok = i945_miptree_layout( mt );
- break;
- case PCI_CHIP_I915_G:
- case PCI_CHIP_I915_GM:
- ok = i915_miptree_layout( mt );
- break;
-#endif
- default:
- if (INTEL_DEBUG & DEBUG_TEXTURE)
- _mesa_printf("assuming BRW texture layouts\n");
- ok = brw_miptree_layout( mt );
- break;
- }
-
- if (ok)
- mt->region = intel_region_alloc( intel,
- mt->cpp,
- mt->pitch,
- mt->total_height );
-
- if (!mt->region) {
- free(mt);
- return NULL;
- }
-
- return mt;
-}
-
-
-
-void intel_miptree_destroy( struct intel_context *intel,
- struct intel_mipmap_tree *mt )
-{
- if (mt) {
- GLuint i;
-
- intel_region_release(intel, &(mt->region));
-
- for (i = 0; i < MAX_TEXTURE_LEVELS; i++)
- if (mt->level[i].image_offset)
- free(mt->level[i].image_offset);
-
- free(mt);
- }
-}
-
-
-
-
-void intel_miptree_set_level_info(struct intel_mipmap_tree *mt,
- GLuint level,
- GLuint nr_images,
- GLuint x, GLuint y,
- GLuint w, GLuint h, GLuint d)
-{
- mt->level[level].width = w;
- mt->level[level].height = h;
- mt->level[level].depth = d;
- mt->level[level].level_offset = (x + y * mt->pitch) * mt->cpp;
- mt->level[level].nr_images = nr_images;
-
- if (INTEL_DEBUG & DEBUG_TEXTURE)
- _mesa_printf("%s level %d img size: %d,%d level_offset 0x%x\n", __FUNCTION__, level, w, h,
- mt->level[level].level_offset);
-
- /* Not sure when this would happen, but anyway:
- */
- if (mt->level[level].image_offset) {
- free(mt->level[level].image_offset);
- mt->level[level].image_offset = NULL;
- }
-
- if (nr_images > 1) {
- mt->level[level].image_offset = malloc(nr_images * sizeof(GLuint));
- mt->level[level].image_offset[0] = 0;
- }
-}
-
-
-
-void intel_miptree_set_image_offset(struct intel_mipmap_tree *mt,
- GLuint level,
- GLuint img,
- GLuint x, GLuint y)
-{
- if (INTEL_DEBUG & DEBUG_TEXTURE)
- _mesa_printf("%s level %d img %d pos %d,%d\n", __FUNCTION__, level, img, x, y);
-
- if (img == 0)
- assert(x == 0 && y == 0);
-
- if (img > 0)
- mt->level[level].image_offset[img] = (x + y * mt->pitch) * mt->cpp;
-}
-
-
-/* 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 *intel_miptree_depth_offsets(struct intel_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 intel_miptree_image_offset(struct intel_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]);
- else
- return mt->level[level].level_offset;
-}
-
-
-
-
-
-
-/* Upload data for a particular image.
- */
-GLboolean intel_miptree_image_data(struct intel_context *intel,
- struct intel_mipmap_tree *dst,
- GLuint face,
- GLuint level,
- const void *src,
- GLuint src_row_pitch,
- GLuint src_image_pitch)
-{
- GLuint depth = dst->level[level].depth;
- GLuint dst_offset = intel_miptree_image_offset(dst, face, level);
- const GLuint *dst_depth_offset = intel_miptree_depth_offsets(dst, level);
- GLuint i;
-
- DBG("%s\n", __FUNCTION__);
- for (i = 0; i < depth; i++) {
- if (!intel_region_data(intel,
- dst->region,
- dst_offset + dst_depth_offset[i],
- 0,
- 0,
- src,
- src_row_pitch,
- 0, 0, /* source x,y */
- dst->level[level].width,
- dst->level[level].height))
- return GL_FALSE;
- src += src_image_pitch;
- }
- return GL_TRUE;
-}
-
projects / mesa.git / blobdiff