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Diffstat (limited to 'src/gallium/drivers/i965simple/brw_tex_layout.c')
-rw-r--r--src/gallium/drivers/i965simple/brw_tex_layout.c380
1 files changed, 0 insertions, 380 deletions
diff --git a/src/gallium/drivers/i965simple/brw_tex_layout.c b/src/gallium/drivers/i965simple/brw_tex_layout.c
deleted file mode 100644
index 998ffaeac4..0000000000
--- a/src/gallium/drivers/i965simple/brw_tex_layout.c
+++ /dev/null
@@ -1,380 +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 "pipe/p_state.h"
-#include "pipe/p_context.h"
-#include "pipe/p_defines.h"
-#include "pipe/p_inlines.h"
-#include "pipe/internal/p_winsys_screen.h"
-#include "util/u_math.h"
-#include "util/u_memory.h"
-#include "brw_context.h"
-#include "brw_tex_layout.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 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] = y * tex->stride + x * pt->block.size;
-}
-
-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;
-
- pt->nblocksx[level] = pf_get_nblocksx(&pt->block, w);
- pt->nblocksy[level] = pf_get_nblocksy(&pt->block, h);
-
- tex->level_offset[level] = y * tex->stride + x * tex->base.block.size;
- 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;
- const int align_x = 2, align_y = 4;
- unsigned level;
- unsigned x = 0;
- unsigned y = 0;
- unsigned width = pt->width[0];
- unsigned height = pt->height[0];
- unsigned nblocksx = pt->nblocksx[0];
- unsigned nblocksy = pt->nblocksy[0];
-
- tex->stride = align(pt->nblocksx[0] * pt->block.size, 4);
-
- /* 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_nblocksx
- = align(pf_get_nblocksx(&pt->block, minify(width)), align_x)
- + pf_get_nblocksx(&pt->block, minify(minify(width)));
-
- if (mip1_nblocksx > nblocksx)
- tex->stride = mip1_nblocksx * pt->block.size;
- }
-
- /* Pitch must be a whole number of dwords
- */
- tex->stride = align(tex->stride, 64);
- tex->total_nblocksy = 0;
-
- for (level = 0; level <= pt->last_level; level++) {
- intel_miptree_set_level_info(tex, level, 1, x, y, width,
- height, 1);
-
- nblocksy = align(nblocksy, align_y);
-
- /* Because the images are packed better, the final offset
- * might not be the maximal one:
- */
- tex->total_nblocksy = MAX2(tex->total_nblocksy, y + nblocksy);
-
- /* Layout_below: step right after second mipmap level.
- */
- if (level == 1) {
- x += align(nblocksx, align_x);
- }
- else {
- y += nblocksy;
- }
-
- width = minify(width);
- height = minify(height);
- nblocksx = pf_get_nblocksx(&pt->block, width);
- nblocksy = pf_get_nblocksy(&pt->block, height);
- }
-}
-
-static boolean brw_miptree_layout(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 nblocksx = pt->nblocksx[0];
- unsigned nblocksy = pt->nblocksy[0];
- unsigned pack_x_pitch, pack_x_nr;
- unsigned pack_y_pitch;
- unsigned level;
- unsigned align_h = 2;
- unsigned align_w = 4;
-
- tex->total_nblocksy = 0;
-
- tex->stride = align(pt->nblocksx[0], 4);
- pack_y_pitch = align(pt->nblocksy[0], align_h);
-
- pack_x_pitch = tex->stride / pt->block.size;
- 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_nblocksy,
- 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_nblocksy += y;
- width = minify(width);
- height = minify(height);
- depth = minify(depth);
- nblocksx = pf_get_nblocksx(&pt->block, width);
- nblocksy = pf_get_nblocksy(&pt->block, height);
-
- if (pf_is_compressed(pt->format)) {
- 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 * pt->block.size <= tex->stride);
- }
-
- 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_nblocksy,
- pt->block.size,
- pt->stride * pt->total_nblocksy );
-#endif
-
- return TRUE;
-}
-
-
-static struct pipe_texture *
-brw_texture_create_screen(struct pipe_screen *screen,
- const struct pipe_texture *templat)
-{
- struct brw_texture *tex = CALLOC_STRUCT(brw_texture);
-
- if (tex) {
- tex->base = *templat;
- pipe_reference_init(&tex->base.reference, 1);
-
- tex->base.nblocksx[0] = pf_get_nblocksx(&tex->base.block, tex->base.width[0]);
- tex->base.nblocksy[0] = pf_get_nblocksy(&tex->base.block, tex->base.height[0]);
-
- if (brw_miptree_layout(tex))
- tex->buffer = screen->buffer_create(screen, 64,
- PIPE_BUFFER_USAGE_PIXEL,
- tex->stride *
- tex->total_nblocksy);
-
- if (!tex->buffer) {
- FREE(tex);
- return NULL;
- }
- }
-
- return &tex->base;
-}
-
-
-static void
-brw_texture_destroy_screen(struct pipe_texture *pt)
-{
- struct brw_texture *tex = (struct brw_texture *)pt;
- uint i;
-
- /*
- DBG("%s deleting %p\n", __FUNCTION__, (void *) tex);
- */
-
- pipe_buffer_reference(&tex->buffer, NULL);
-
- for (i = 0; i < PIPE_MAX_TEXTURE_LEVELS; i++)
- if (tex->image_offset[i])
- free(tex->image_offset[i]);
-
- free(tex);
-}
-
-
-static struct pipe_surface *
-brw_get_tex_surface_screen(struct pipe_screen *screen,
- struct pipe_texture *pt,
- unsigned face, unsigned level, unsigned zslice)
-{
- struct brw_texture *tex = (struct brw_texture *)pt;
- struct pipe_surface *ps;
- unsigned offset; /* in bytes */
-
- offset = tex->level_offset[level];
-
- if (pt->target == PIPE_TEXTURE_CUBE) {
- offset += tex->image_offset[level][face];
- }
- else if (pt->target == PIPE_TEXTURE_3D) {
- offset += tex->image_offset[level][zslice];
- }
- else {
- assert(face == 0);
- assert(zslice == 0);
- }
-
- ps = CALLOC_STRUCT(pipe_surface);
- if (ps) {
- pipe_reference_init(&ps->reference, 1);
- pipe_texture_reference(&ps->texture, pt);
- ps->format = pt->format;
- ps->width = pt->width[level];
- ps->height = pt->height[level];
- ps->block = pt->block;
- ps->nblocksx = pt->nblocksx[level];
- ps->nblocksy = pt->nblocksy[level];
- ps->stride = tex->stride;
- ps->offset = offset;
- }
- return ps;
-}
-
-
-void
-brw_init_texture_functions(struct brw_context *brw)
-{
-// brw->pipe.texture_update = brw_texture_update;
-}
-
-
-void
-brw_init_screen_texture_funcs(struct pipe_screen *screen)
-{
- screen->texture_create = brw_texture_create_screen;
- screen->texture_destroy = brw_texture_destroy_screen;
- screen->get_tex_surface = brw_get_tex_surface_screen;
-}
-
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