diff options
Diffstat (limited to 'src/mesa/drivers/dri/i965/intel_mipmap_tree.c')
l---------[-rw-r--r--] | src/mesa/drivers/dri/i965/intel_mipmap_tree.c | 261 |
1 files changed, 1 insertions, 260 deletions
diff --git a/src/mesa/drivers/dri/i965/intel_mipmap_tree.c b/src/mesa/drivers/dri/i965/intel_mipmap_tree.c index edca84c64e..242fed0b6a 100644..120000 --- a/src/mesa/drivers/dri/i965/intel_mipmap_tree.c +++ b/src/mesa/drivers/dri/i965/intel_mipmap_tree.c @@ -1,260 +1 @@ -/************************************************************************** - * - * 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 "dri_bufmgr.h" -#include "enums.h" -#include "imports.h" - -#define FILE_DEBUG_FLAG DEBUG_MIPTREE - -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; -} - - - - - -extern GLuint intel_compressed_alignment(GLenum); -/* 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; - GLuint width, height, alignment; - - width = dst->level[level].width; - height = dst->level[level].height; - - if (dst->compressed) { - alignment = intel_compressed_alignment(dst->internal_format); - src_row_pitch = ALIGN(src_row_pitch, alignment); - width = ALIGN(width, alignment); - height = (height + 3) / 4; - } - - 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 */ - width, - height)) - return GL_FALSE; - src += src_image_pitch; - } - return GL_TRUE; -} - +../intel/intel_mipmap_tree.c
\ No newline at end of file |