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-rw-r--r--src/mesa/pipe/i915simple/i915_texture.c536
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;
-}
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