diff options
author | José Fonseca <jrfonseca@tungstengraphics.com> | 2008-02-15 17:35:24 +0900 |
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committer | José Fonseca <jrfonseca@tungstengraphics.com> | 2008-02-15 17:45:40 +0900 |
commit | b642730be93149baa7556e5791393168ab396175 (patch) | |
tree | 67d174be5d4814261b93bc8b20c027a26d1c3d06 /src/mesa/pipe/i915simple/i915_texture.c | |
parent | 4593be34b2a6e494f0e476c8aa8e1d2633fffd47 (diff) |
Code reorganization: move files into their places.
This is in a separate commit to ensure renames are properly preserved.
Diffstat (limited to 'src/mesa/pipe/i915simple/i915_texture.c')
-rw-r--r-- | src/mesa/pipe/i915simple/i915_texture.c | 536 |
1 files changed, 0 insertions, 536 deletions
diff --git a/src/mesa/pipe/i915simple/i915_texture.c b/src/mesa/pipe/i915simple/i915_texture.c deleted file mode 100644 index 6d37ae3d74..0000000000 --- a/src/mesa/pipe/i915simple/i915_texture.c +++ /dev/null @@ -1,536 +0,0 @@ -/************************************************************************** - * - * 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. - * - **************************************************************************/ - /* - * Authors: - * Keith Whitwell <keith@tungstengraphics.com> - * Michel Dänzer <michel@tungstengraphics.com> - */ - -#include "pipe/p_state.h" -#include "pipe/p_context.h" -#include "pipe/p_defines.h" -#include "pipe/p_inlines.h" -#include "pipe/p_util.h" -#include "pipe/p_winsys.h" - -#include "i915_context.h" -#include "i915_texture.h" -#include "i915_debug.h" - - -static unsigned minify( unsigned d ) -{ - return MAX2(1, d>>1); -} - - - -static void -i915_miptree_set_level_info(struct i915_texture *tex, - unsigned level, - unsigned nr_images, - unsigned x, unsigned y, unsigned w, unsigned h, unsigned d) -{ - struct pipe_texture *pt = &tex->base; - - assert(level < PIPE_MAX_TEXTURE_LEVELS); - - pt->width[level] = w; - pt->height[level] = h; - pt->depth[level] = d; - - tex->level_offset[level] = (x + y * tex->pitch) * pt->cpp; - tex->nr_images[level] = nr_images; - - /* - DBG("%s level %d size: %d,%d,%d offset %d,%d (0x%x)\n", __FUNCTION__, - level, w, h, d, x, y, tex->level_offset[level]); - */ - - /* Not sure when this would happen, but anyway: - */ - if (tex->image_offset[level]) { - FREE(tex->image_offset[level]); - tex->image_offset[level] = NULL; - } - - assert(nr_images); - assert(!tex->image_offset[level]); - - tex->image_offset[level] = (unsigned *) MALLOC(nr_images * sizeof(unsigned)); - tex->image_offset[level][0] = 0; -} - - -static void -i915_miptree_set_image_offset(struct i915_texture *tex, - unsigned level, unsigned img, unsigned x, unsigned y) -{ - if (img == 0 && level == 0) - assert(x == 0 && y == 0); - - assert(img < tex->nr_images[level]); - - tex->image_offset[level][img] = (x + y * tex->pitch); - - /* - DBG("%s level %d img %d pos %d,%d image_offset %x\n", - __FUNCTION__, level, img, x, y, tex->image_offset[level][img]); - */ -} - - -static void -i945_miptree_layout_2d( struct i915_texture *tex ) -{ - struct pipe_texture *pt = &tex->base; - int align_h = 2, align_w = 4; - unsigned level; - unsigned x = 0; - unsigned y = 0; - unsigned width = pt->width[0]; - unsigned height = pt->height[0]; - - tex->pitch = pt->width[0]; - - /* May need to adjust pitch to accomodate the placement of - * the 2nd mipmap level. This occurs when the alignment - * constraints of mipmap placement push the right edge of the - * 2nd mipmap level out past the width of its parent. - */ - if (pt->last_level > 0) { - unsigned mip1_width = align_int(minify(pt->width[0]), align_w) - + minify(minify(pt->width[0])); - - if (mip1_width > pt->width[0]) - tex->pitch = mip1_width; - } - - /* Pitch must be a whole number of dwords, even though we - * express it in texels. - */ - tex->pitch = align_int(tex->pitch * pt->cpp, 4) / pt->cpp; - tex->total_height = 0; - - for (level = 0; level <= pt->last_level; level++) { - unsigned img_height; - - i915_miptree_set_level_info(tex, level, 1, x, y, width, height, 1); - - if (pt->compressed) - img_height = MAX2(1, height/4); - else - img_height = align_int(height, align_h); - - - /* Because the images are packed better, the final offset - * might not be the maximal one: - */ - tex->total_height = MAX2(tex->total_height, y + img_height); - - /* Layout_below: step right after second mipmap level. - */ - if (level == 1) { - x += align_int(width, align_w); - } - else { - y += img_height; - } - - width = minify(width); - height = minify(height); - } -} - - -static const int initial_offsets[6][2] = { - {0, 0}, - {0, 2}, - {1, 0}, - {1, 2}, - {1, 1}, - {1, 3} -}; - -static const int step_offsets[6][2] = { - {0, 2}, - {0, 2}, - {-1, 2}, - {-1, 2}, - {-1, 1}, - {-1, 1} -}; - - -static boolean -i915_miptree_layout(struct pipe_context *pipe, struct i915_texture * tex) -{ - struct pipe_texture *pt = &tex->base; - unsigned level; - - switch (pt->target) { - case PIPE_TEXTURE_CUBE: { - const unsigned dim = pt->width[0]; - unsigned face; - unsigned lvlWidth = pt->width[0], lvlHeight = pt->height[0]; - - assert(lvlWidth == lvlHeight); /* cubemap images are square */ - - /* double pitch for cube layouts */ - tex->pitch = ((dim * pt->cpp * 2 + 3) & ~3) / pt->cpp; - tex->total_height = dim * 4; - - for (level = 0; level <= pt->last_level; level++) { - i915_miptree_set_level_info(tex, level, 6, - 0, 0, - /*OLD: tex->pitch, tex->total_height,*/ - lvlWidth, lvlHeight, - 1); - lvlWidth /= 2; - lvlHeight /= 2; - } - - for (face = 0; face < 6; face++) { - unsigned x = initial_offsets[face][0] * dim; - unsigned y = initial_offsets[face][1] * dim; - unsigned d = dim; - - for (level = 0; level <= pt->last_level; level++) { - i915_miptree_set_image_offset(tex, level, face, x, y); - d >>= 1; - x += step_offsets[face][0] * d; - y += step_offsets[face][1] * d; - } - } - break; - } - case PIPE_TEXTURE_3D:{ - unsigned width = pt->width[0]; - unsigned height = pt->height[0]; - unsigned depth = pt->depth[0]; - unsigned stack_height = 0; - - /* Calculate the size of a single slice. - */ - tex->pitch = ((pt->width[0] * pt->cpp + 3) & ~3) / pt->cpp; - - /* XXX: hardware expects/requires 9 levels at minimum. - */ - for (level = 0; level <= MAX2(8, pt->last_level); - level++) { - i915_miptree_set_level_info(tex, level, depth, 0, tex->total_height, - width, height, depth); - - - stack_height += MAX2(2, height); - - width = minify(width); - height = minify(height); - depth = minify(depth); - } - - /* Fixup depth image_offsets: - */ - depth = pt->depth[0]; - for (level = 0; level <= pt->last_level; level++) { - unsigned i; - for (i = 0; i < depth; i++) - i915_miptree_set_image_offset(tex, level, i, - 0, i * stack_height); - - depth = minify(depth); - } - - - /* Multiply slice size by texture depth for total size. It's - * remarkable how wasteful of memory the i915 texture layouts - * are. They are largely fixed in the i945. - */ - tex->total_height = stack_height * pt->depth[0]; - break; - } - - default:{ - unsigned width = pt->width[0]; - unsigned height = pt->height[0]; - unsigned img_height; - - tex->pitch = ((pt->width[0] * pt->cpp + 3) & ~3) / pt->cpp; - tex->total_height = 0; - - for (level = 0; level <= pt->last_level; level++) { - i915_miptree_set_level_info(tex, level, 1, - 0, tex->total_height, - width, height, 1); - - if (pt->compressed) - img_height = MAX2(1, height / 4); - else - img_height = (MAX2(2, height) + 1) & ~1; - - tex->total_height += img_height; - - width = minify(width); - height = minify(height); - } - break; - } - } - /* - DBG("%s: %dx%dx%d - sz 0x%x\n", __FUNCTION__, - tex->pitch, - tex->total_height, pt->cpp, tex->pitch * tex->total_height * pt->cpp); - */ - - return TRUE; -} - - -static boolean -i945_miptree_layout(struct pipe_context *pipe, struct i915_texture * tex) -{ - struct pipe_texture *pt = &tex->base; - unsigned level; - - switch (pt->target) { - case PIPE_TEXTURE_CUBE:{ - const unsigned dim = pt->width[0]; - unsigned face; - unsigned lvlWidth = pt->width[0], lvlHeight = pt->height[0]; - - assert(lvlWidth == lvlHeight); /* cubemap images are square */ - - /* Depending on the size of the largest images, pitch can be - * determined either by the old-style packing of cubemap faces, - * or the final row of 4x4, 2x2 and 1x1 faces below this. - */ - if (dim > 32) - tex->pitch = ((dim * pt->cpp * 2 + 3) & ~3) / pt->cpp; - else - tex->pitch = 14 * 8; - - tex->total_height = dim * 4 + 4; - - /* Set all the levels to effectively occupy the whole rectangular region. - */ - for (level = 0; level <= pt->last_level; level++) { - i915_miptree_set_level_info(tex, level, 6, - 0, 0, - lvlWidth, lvlHeight, 1); - lvlWidth /= 2; - lvlHeight /= 2; - } - - - for (face = 0; face < 6; face++) { - unsigned x = initial_offsets[face][0] * dim; - unsigned y = initial_offsets[face][1] * dim; - unsigned d = dim; - - if (dim == 4 && face >= 4) { - y = tex->total_height - 4; - x = (face - 4) * 8; - } - else if (dim < 4 && (face > 0)) { - y = tex->total_height - 4; - x = face * 8; - } - - for (level = 0; level <= pt->last_level; level++) { - i915_miptree_set_image_offset(tex, level, face, x, y); - - d >>= 1; - - switch (d) { - case 4: - switch (face) { - case PIPE_TEX_FACE_POS_X: - case PIPE_TEX_FACE_NEG_X: - x += step_offsets[face][0] * d; - y += step_offsets[face][1] * d; - break; - case PIPE_TEX_FACE_POS_Y: - case PIPE_TEX_FACE_NEG_Y: - y += 12; - x -= 8; - break; - case PIPE_TEX_FACE_POS_Z: - case PIPE_TEX_FACE_NEG_Z: - y = tex->total_height - 4; - x = (face - 4) * 8; - break; - } - - case 2: - y = tex->total_height - 4; - x = 16 + face * 8; - break; - - case 1: - x += 48; - break; - - default: - x += step_offsets[face][0] * d; - y += step_offsets[face][1] * d; - break; - } - } - } - break; - } - case PIPE_TEXTURE_3D:{ - unsigned width = pt->width[0]; - unsigned height = pt->height[0]; - unsigned depth = pt->depth[0]; - unsigned pack_x_pitch, pack_x_nr; - unsigned pack_y_pitch; - unsigned level; - - tex->pitch = ((pt->width[0] * pt->cpp + 3) & ~3) / pt->cpp; - tex->total_height = 0; - - pack_y_pitch = MAX2(pt->height[0], 2); - pack_x_pitch = tex->pitch; - pack_x_nr = 1; - - for (level = 0; level <= pt->last_level; level++) { - unsigned nr_images = pt->target == PIPE_TEXTURE_3D ? depth : 6; - int x = 0; - int y = 0; - unsigned q, j; - - i915_miptree_set_level_info(tex, level, nr_images, - 0, tex->total_height, - width, height, depth); - - for (q = 0; q < nr_images;) { - for (j = 0; j < pack_x_nr && q < nr_images; j++, q++) { - i915_miptree_set_image_offset(tex, level, q, x, y); - x += pack_x_pitch; - } - - x = 0; - y += pack_y_pitch; - } - - - tex->total_height += y; - - if (pack_x_pitch > 4) { - pack_x_pitch >>= 1; - pack_x_nr <<= 1; - assert(pack_x_pitch * pack_x_nr <= tex->pitch); - } - - if (pack_y_pitch > 2) { - pack_y_pitch >>= 1; - } - - width = minify(width); - height = minify(height); - depth = minify(depth); - } - break; - } - - case PIPE_TEXTURE_1D: - case PIPE_TEXTURE_2D: -// case PIPE_TEXTURE_RECTANGLE: - i945_miptree_layout_2d(tex); - break; - default: - assert(0); - return FALSE; - } - - /* - DBG("%s: %dx%dx%d - sz 0x%x\n", __FUNCTION__, - tex->pitch, - tex->total_height, pt->cpp, tex->pitch * tex->total_height * pt->cpp); - */ - - return TRUE; -} - - -struct pipe_texture * -i915_texture_create(struct pipe_context *pipe, - const struct pipe_texture *templat) -{ - struct i915_texture *tex = CALLOC_STRUCT(i915_texture); - - if (tex) { - struct i915_context *i915 = i915_context(pipe); - - tex->base = *templat; - - if (i915->flags.is_i945 ? i945_miptree_layout(pipe, tex) : - i915_miptree_layout(pipe, tex)) - tex->buffer = pipe->winsys->buffer_create(pipe->winsys, 64, - PIPE_BUFFER_USAGE_PIXEL, - tex->pitch * tex->base.cpp * - tex->total_height); - - if (!tex->buffer) { - FREE(tex); - return NULL; - } - } - - return &tex->base; -} - - -void -i915_texture_release(struct pipe_context *pipe, struct pipe_texture **pt) -{ - if (!*pt) - return; - - /* - DBG("%s %p refcount will be %d\n", - __FUNCTION__, (void *) *pt, (*pt)->refcount - 1); - */ - if (--(*pt)->refcount <= 0) { - struct i915_texture *tex = (struct i915_texture *)*pt; - uint i; - - /* - DBG("%s deleting %p\n", __FUNCTION__, (void *) tex); - */ - - pipe_buffer_reference(pipe->winsys, &tex->buffer, NULL); - - for (i = 0; i < PIPE_MAX_TEXTURE_LEVELS; i++) - if (tex->image_offset[i]) - FREE(tex->image_offset[i]); - - FREE(tex); - } - *pt = NULL; -} |