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-rw-r--r--src/mesa/pipe/i965simple/brw_tex_layout.c353
1 files changed, 0 insertions, 353 deletions
diff --git a/src/mesa/pipe/i965simple/brw_tex_layout.c b/src/mesa/pipe/i965simple/brw_tex_layout.c
deleted file mode 100644
index 90561f1307..0000000000
--- a/src/mesa/pipe/i965simple/brw_tex_layout.c
+++ /dev/null
@@ -1,353 +0,0 @@
-/*
- Copyright (C) Intel Corp. 2006. All Rights Reserved.
- Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to
- develop this 3D driver.
-
- 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, sublicense, 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 NONINFRINGEMENT.
- IN NO EVENT SHALL THE COPYRIGHT OWNER(S) 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>
- */
-
-
-/* Code to layout images in a mipmap tree for i965.
- */
-
-#include "brw_tex_layout.h"
-
-#include "pipe/p_state.h"
-#include "pipe/p_context.h"
-#include "pipe/p_defines.h"
-#include "pipe/p_util.h"
-#include "pipe/p_inlines.h"
-#include "pipe/p_winsys.h"
-
-#include "brw_context.h"
-
-#define FILE_DEBUG_FLAG DEBUG_TEXTURE
-
-#if 0
-unsigned intel_compressed_alignment(unsigned internalFormat)
-{
- unsigned alignment = 4;
-
- switch (internalFormat) {
- case GL_COMPRESSED_RGB_FXT1_3DFX:
- case GL_COMPRESSED_RGBA_FXT1_3DFX:
- alignment = 8;
- break;
-
- default:
- break;
- }
-
- return alignment;
-}
-#endif
-
-static unsigned minify( unsigned d )
-{
- return MAX2(1, d>>1);
-}
-
-
-static boolean brw_miptree_layout(struct pipe_context *, struct brw_texture *);
-
-static void intel_miptree_set_image_offset(struct brw_texture *tex,
- unsigned level,
- unsigned img,
- unsigned x, unsigned y)
-{
- struct pipe_texture *pt = &tex->base;
- 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) * pt->cpp;
-}
-
-static void intel_miptree_set_level_info(struct brw_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 i945_miptree_layout_2d(struct brw_texture *tex)
-{
- struct pipe_texture *pt = &tex->base;
- unsigned 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];
-
-#if 0
- if (pt->compressed) {
- align_w = intel_compressed_alignment(pt->internal_format);
- tex->pitch = ALIGN(pt->width[0], align_w);
- }
-#endif
-
- /* May need to adjust pitch to accomodate the placement of
- * the 2nd mipmap. This occurs when the alignment
- * constraints of mipmap placement push the right edge of the
- * 2nd mipmap out past the width of its parent.
- */
- if (pt->last_level > 0) {
- unsigned mip1_width;
-
- if (pt->compressed) {
- mip1_width = align(minify(pt->width[0]), align_w)
- + align(minify(minify(pt->width[0])), align_w);
- } else {
- mip1_width = align(minify(pt->width[0]), align_w)
- + minify(minify(pt->width[0]));
- }
-
- if (mip1_width > tex->pitch) {
- tex->pitch = mip1_width;
- }
- }
-
- /* Pitch must be a whole number of dwords, even though we
- * express it in texels.
- */
- tex->pitch = align(tex->pitch * pt->cpp, 4) / pt->cpp;
- tex->total_height = 0;
-
- for (level = 0; level <= pt->last_level; level++) {
- unsigned img_height;
-
- intel_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(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.
- */
- if (level == 1) {
- x += align(width, align_w);
- }
- else {
- y += img_height;
- }
-
- width = minify(width);
- height = minify(height);
- }
-}
-
-static boolean brw_miptree_layout(struct pipe_context *pipe, struct brw_texture *tex)
-{
- struct pipe_texture *pt = &tex->base;
- /* XXX: these vary depending on image format:
- */
-/* int align_w = 4; */
-
- switch (pt->target) {
- case PIPE_TEXTURE_CUBE:
- 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;
- unsigned align_h = 2;
- unsigned align_w = 4;
-
- tex->total_height = 0;
-#if 0
- if (pt->compressed) {
- align_w = intel_compressed_alignment(pt->internal_format);
- pt->pitch = align(width, align_w);
- pack_y_pitch = (height + 3) / 4;
- } else
-#endif
- {
- tex->pitch = align(pt->width[0] * pt->cpp, 4) / pt->cpp;
- pack_y_pitch = align(pt->height[0], align_h);
- }
-
- 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;
- uint q, j;
-
- intel_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++) {
- intel_miptree_set_image_offset(tex, level, q, x, y);
- x += pack_x_pitch;
- }
-
- x = 0;
- y += pack_y_pitch;
- }
-
-
- tex->total_height += y;
- width = minify(width);
- height = minify(height);
- depth = minify(depth);
-
- if (pt->compressed) {
- pack_y_pitch = (height + 3) / 4;
-
- if (pack_x_pitch > align(width, align_w)) {
- pack_x_pitch = align(width, align_w);
- pack_x_nr <<= 1;
- }
- } else {
- 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;
- pack_y_pitch = align(pack_y_pitch, align_h);
- }
- }
-
- }
- break;
- }
-
- default:
- i945_miptree_layout_2d(tex);
- break;
- }
-#if 0
- PRINT("%s: %dx%dx%d - sz 0x%x\n", __FUNCTION__,
- pt->pitch,
- pt->total_height,
- pt->cpp,
- pt->pitch * pt->total_height * pt->cpp );
-#endif
-
- return TRUE;
-}
-
-
-struct pipe_texture *
-brw_texture_create(struct pipe_context *pipe, const struct pipe_texture *templat)
-{
- struct brw_texture *tex = CALLOC_STRUCT(brw_texture);
-
- if (tex) {
- tex->base = *templat;
-
- if (brw_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
-brw_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 brw_texture *tex = (struct brw_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;
-}
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