#include "lp_context.h"
#include "lp_flush.h"
#include "lp_screen.h"
-#include "lp_tile_image.h"
#include "lp_texture.h"
#include "lp_setup.h"
#include "lp_state.h"
struct sw_winsys *winsys = screen->winsys;
winsys->displaytarget_destroy(winsys, lpr->dt);
- if (lpr->tiled_img.data) {
- align_free(lpr->tiled_img.data);
- lpr->tiled_img.data = NULL;
- }
-
FREE(lpr->layout[0]);
}
else if (llvmpipe_resource_is_texture(pt)) {
lpr->linear_img.data = NULL;
}
- /* free tiled image data */
- if (lpr->tiled_img.data) {
- align_free(lpr->tiled_img.data);
- lpr->tiled_img.data = NULL;
- }
-
/* free layout flag arrays */
for (level = 0; level < Elements(lpr->layout); level++) {
FREE(lpr->layout[level]);
tex_usage == LP_TEX_USAGE_WRITE_ALL);
assert(layout == LP_TEX_LAYOUT_NONE ||
- layout == LP_TEX_LAYOUT_TILED ||
layout == LP_TEX_LAYOUT_LINEAR);
if (lpr->dt) {
tex_image_face_size(const struct llvmpipe_resource *lpr, unsigned level,
enum lp_texture_layout layout)
{
- const unsigned width = u_minify(lpr->base.width0, level);
- const unsigned height = u_minify(lpr->base.height0, level);
-
- assert(layout == LP_TEX_LAYOUT_TILED ||
- layout == LP_TEX_LAYOUT_LINEAR);
+ assert(layout == LP_TEX_LAYOUT_LINEAR);
- if (layout == LP_TEX_LAYOUT_TILED) {
- /* for tiled layout, force a 32bpp format */
- const enum pipe_format format = PIPE_FORMAT_B8G8R8A8_UNORM;
- const unsigned block_size = util_format_get_blocksize(format);
- const unsigned nblocksy =
- util_format_get_nblocksy(format, align(height, TILE_SIZE));
- const unsigned nblocksx =
- util_format_get_nblocksx(format, align(width, TILE_SIZE));
- const unsigned buffer_size = block_size * nblocksy * nblocksx;
- return buffer_size;
- }
- else {
- /* we already computed this */
- return lpr->img_stride[level];
- }
+ /* we already computed this */
+ return lpr->img_stride[level];
}
}
-/**
- * This function encapsulates some complicated logic for determining
- * how to convert a tile of image data from linear layout to tiled
- * layout, or vice versa.
- * \param cur_layout the current tile layout
- * \param target_layout the desired tile layout
- * \param usage how the tile will be accessed (R/W vs. read-only, etc)
- * \param new_layout_return returns the new layout mode
- * \param convert_return returns TRUE if image conversion is needed
- */
-static void
-layout_logic(enum lp_texture_layout cur_layout,
- enum lp_texture_layout target_layout,
- enum lp_texture_usage usage,
- enum lp_texture_layout *new_layout_return,
- boolean *convert)
-{
- enum lp_texture_layout other_layout, new_layout;
-
- *convert = FALSE;
-
- new_layout = 99; /* debug check */
-
- if (target_layout == LP_TEX_LAYOUT_LINEAR) {
- other_layout = LP_TEX_LAYOUT_TILED;
- }
- else {
- assert(target_layout == LP_TEX_LAYOUT_TILED);
- other_layout = LP_TEX_LAYOUT_LINEAR;
- }
-
- new_layout = target_layout; /* may get changed below */
-
- if (cur_layout == LP_TEX_LAYOUT_BOTH) {
- if (usage == LP_TEX_USAGE_READ) {
- new_layout = LP_TEX_LAYOUT_BOTH;
- }
- }
- else if (cur_layout == other_layout) {
- if (usage != LP_TEX_USAGE_WRITE_ALL) {
- /* need to convert tiled data to linear or vice versa */
- *convert = TRUE;
-
- if (usage == LP_TEX_USAGE_READ)
- new_layout = LP_TEX_LAYOUT_BOTH;
- }
- }
- else {
- assert(cur_layout == LP_TEX_LAYOUT_NONE ||
- cur_layout == target_layout);
- }
-
- assert(new_layout == LP_TEX_LAYOUT_BOTH ||
- new_layout == target_layout);
-
- *new_layout_return = new_layout;
-}
-
-
/**
* Return pointer to a 2D texture image/face/slice.
* No tiled/linear conversion is done.
struct llvmpipe_texture_image *img;
unsigned offset;
- if (layout == LP_TEX_LAYOUT_LINEAR) {
- img = &lpr->linear_img;
- offset = lpr->linear_mip_offsets[level];
- }
- else {
- assert (layout == LP_TEX_LAYOUT_TILED);
- img = &lpr->tiled_img;
- offset = lpr->tiled_mip_offsets[level];
- }
+ assert (layout == LP_TEX_LAYOUT_LINEAR);
+
+ img = &lpr->linear_img;
+ offset = lpr->linear_mip_offsets[level];
if (face_slice > 0)
offset += face_slice * tex_image_face_size(lpr, level, layout);
}
-static INLINE enum lp_texture_layout
-llvmpipe_get_texture_tile_layout(const struct llvmpipe_resource *lpr,
- unsigned face_slice, unsigned level,
- unsigned x, unsigned y)
-{
- uint i;
- assert(llvmpipe_resource_is_texture(&lpr->base));
- assert(x < lpr->tiles_per_row[level]);
- i = face_slice * lpr->tiles_per_image[level]
- + y * lpr->tiles_per_row[level] + x;
- return lpr->layout[level][i];
-}
-
-
-static INLINE void
-llvmpipe_set_texture_tile_layout(struct llvmpipe_resource *lpr,
- unsigned face_slice, unsigned level,
- unsigned x, unsigned y,
- enum lp_texture_layout layout)
-{
- uint i;
- assert(llvmpipe_resource_is_texture(&lpr->base));
- assert(x < lpr->tiles_per_row[level]);
- i = face_slice * lpr->tiles_per_image[level]
- + y * lpr->tiles_per_row[level] + x;
- lpr->layout[level][i] = layout;
-}
-
-
/**
* Set the layout mode for all tiles in a particular image.
*/
uint level;
uint offset = 0;
- if (lpr->dt)
+ assert(layout == LP_TEX_LAYOUT_LINEAR);
+
+
+ if (lpr->dt) {
+ /* we get the linear memory from the winsys, and it has
+ * already been zeroed
+ */
+ struct llvmpipe_screen *screen = llvmpipe_screen(lpr->base.screen);
+ struct sw_winsys *winsys = screen->winsys;
+
assert(lpr->base.last_level == 0);
- if (layout == LP_TEX_LAYOUT_TILED) {
- /* tiled data is stored in regular memory */
- for (level = 0; level <= lpr->base.last_level; level++) {
- uint buffer_size = tex_image_size(lpr, level, layout);
- lpr->tiled_mip_offsets[level] = offset;
- offset += align(buffer_size, alignment);
- }
- lpr->tiled_img.data = align_malloc(offset, alignment);
- if (lpr->tiled_img.data) {
- memset(lpr->tiled_img.data, 0, offset);
- }
+ lpr->linear_img.data =
+ winsys->displaytarget_map(winsys, lpr->dt,
+ PIPE_TRANSFER_READ_WRITE);
}
else {
- assert(layout == LP_TEX_LAYOUT_LINEAR);
- if (lpr->dt) {
- /* we get the linear memory from the winsys, and it has
- * already been zeroed
- */
- struct llvmpipe_screen *screen = llvmpipe_screen(lpr->base.screen);
- struct sw_winsys *winsys = screen->winsys;
-
- lpr->linear_img.data =
- winsys->displaytarget_map(winsys, lpr->dt,
- PIPE_TRANSFER_READ_WRITE);
+ /* not a display target - allocate regular memory */
+ /*
+ * Offset calculation for start of a specific mip/layer is always
+ * offset = lpr->linear_mip_offsets[level] + lpr->img_stride[level] * layer
+ */
+ for (level = 0; level <= lpr->base.last_level; level++) {
+ uint buffer_size = tex_image_size(lpr, level, LP_TEX_LAYOUT_LINEAR);
+ lpr->linear_mip_offsets[level] = offset;
+ offset += align(buffer_size, alignment);
}
- else {
- /* not a display target - allocate regular memory */
- /*
- * Offset calculation for start of a specific mip/layer is always
- * offset = lpr->linear_mip_offsets[level] + lpr->img_stride[level] * layer
- */
- for (level = 0; level <= lpr->base.last_level; level++) {
- uint buffer_size = tex_image_size(lpr, level, LP_TEX_LAYOUT_LINEAR);
- lpr->linear_mip_offsets[level] = offset;
- offset += align(buffer_size, alignment);
- }
- lpr->linear_img.data = align_malloc(offset, alignment);
- if (lpr->linear_img.data) {
- memset(lpr->linear_img.data, 0, offset);
- }
+ lpr->linear_img.data = align_malloc(offset, alignment);
+ if (lpr->linear_img.data) {
+ memset(lpr->linear_img.data, 0, offset);
}
}
}
/**
- * Return pointer to texture image data (either linear or tiled layout)
+ * Return pointer to texture image data
* for a particular cube face or 3D texture slice.
*
* \param face_slice the cube face or 3D slice of interest
* \param usage one of LP_TEX_USAGE_READ/WRITE_ALL/READ_WRITE
- * \param layout either LP_TEX_LAYOUT_LINEAR or _TILED or _NONE
+ * \param layout should be LP_TEX_LAYOUT_LINEAR
*/
void *
llvmpipe_get_texture_image(struct llvmpipe_resource *lpr,
enum lp_texture_usage usage,
enum lp_texture_layout layout)
{
- /*
- * 'target' refers to the image which we're retrieving (either in
- * tiled or linear layout).
- * 'other' refers to the same image but in the other layout. (it may
- * or may not exist.
- */
struct llvmpipe_texture_image *target_img;
- struct llvmpipe_texture_image *other_img;
void *target_data;
- void *other_data;
const unsigned width = u_minify(lpr->base.width0, level);
const unsigned height = u_minify(lpr->base.height0, level);
const unsigned width_t = align(width, TILE_SIZE) / TILE_SIZE;
const unsigned height_t = align(height, TILE_SIZE) / TILE_SIZE;
- unsigned target_offset, other_offset;
- unsigned *target_off_ptr, *other_off_ptr;
- enum lp_texture_layout other_layout;
- boolean only_allocate;
+ unsigned target_offset;
+ unsigned *target_off_ptr;
assert(layout == LP_TEX_LAYOUT_NONE ||
- layout == LP_TEX_LAYOUT_TILED ||
layout == LP_TEX_LAYOUT_LINEAR);
assert(usage == LP_TEX_USAGE_READ ||
/* check for the special case of layout == LP_TEX_LAYOUT_NONE */
if (layout == LP_TEX_LAYOUT_NONE) {
- only_allocate = TRUE;
- layout = LP_TEX_LAYOUT_TILED;
- }
- else {
- only_allocate = FALSE;
+ /* XXX can still get LAYOUT_NONE ? */
+ layout = LP_TEX_LAYOUT_LINEAR;
}
if (lpr->dt) {
assert(lpr->linear_img.data);
}
- /* which is target? which is other? */
- if (layout == LP_TEX_LAYOUT_LINEAR) {
- target_img = &lpr->linear_img;
- target_off_ptr = lpr->linear_mip_offsets;
- other_img = &lpr->tiled_img;
- other_off_ptr = lpr->tiled_mip_offsets;
- other_layout = LP_TEX_LAYOUT_TILED;
- }
- else {
- target_img = &lpr->tiled_img;
- target_off_ptr = lpr->tiled_mip_offsets;
- other_img = &lpr->linear_img;
- other_off_ptr = lpr->linear_mip_offsets;
- other_layout = LP_TEX_LAYOUT_LINEAR;
- }
-
+ target_img = &lpr->linear_img;
+ target_off_ptr = lpr->linear_mip_offsets;
target_data = target_img->data;
- other_data = other_img->data;
if (!target_data) {
/* allocate memory for the target image now */
}
target_offset = target_off_ptr[level];
- other_offset = other_off_ptr[level];
if (face_slice > 0) {
target_offset += face_slice * tex_image_face_size(lpr, level, layout);
- other_offset += face_slice * tex_image_face_size(lpr, level, other_layout);
}
if (target_data) {
target_data = (uint8_t *) target_data + target_offset;
}
- if (other_data) {
- other_data = (uint8_t *) other_data + other_offset;
- }
- if (only_allocate) {
- /* Just allocating tiled memory. Don't initialize it from the
- * linear data if it exists.
- */
- return target_data;
- }
-
- if (other_data) {
- /* may need to convert other data to the requested layout */
- enum lp_texture_layout new_layout;
- unsigned x, y;
-
- /* loop over all image tiles, doing layout conversion where needed */
- for (y = 0; y < height_t; y++) {
- for (x = 0; x < width_t; x++) {
- enum lp_texture_layout cur_layout =
- llvmpipe_get_texture_tile_layout(lpr, face_slice, level, x, y);
- boolean convert;
-
- layout_logic(cur_layout, layout, usage, &new_layout, &convert);
-
- if (convert && other_data && target_data) {
- if (layout == LP_TEX_LAYOUT_TILED) {
- lp_linear_to_tiled(other_data, target_data,
- x * TILE_SIZE, y * TILE_SIZE,
- TILE_SIZE, TILE_SIZE,
- lpr->base.format,
- lpr->row_stride[level],
- lpr->tiles_per_row[level]);
- }
- else {
- assert(layout == LP_TEX_LAYOUT_LINEAR);
- lp_tiled_to_linear(other_data, target_data,
- x * TILE_SIZE, y * TILE_SIZE,
- TILE_SIZE, TILE_SIZE,
- lpr->base.format,
- lpr->row_stride[level],
- lpr->tiles_per_row[level]);
- }
- }
-
- if (new_layout != cur_layout)
- llvmpipe_set_texture_tile_layout(lpr, face_slice, level, x, y,
- new_layout);
- }
- }
- }
- else {
- /* no other data */
- llvmpipe_set_texture_image_layout(lpr, face_slice, level,
- width_t, height_t, layout);
- }
+ llvmpipe_set_texture_image_layout(lpr, face_slice, level,
+ width_t, height_t, layout);
return target_data;
}
unsigned x, unsigned y)
{
struct llvmpipe_texture_image *linear_img = &lpr->linear_img;
- enum lp_texture_layout cur_layout, new_layout;
- const unsigned tx = x / TILE_SIZE, ty = y / TILE_SIZE;
- boolean convert;
- uint8_t *tiled_image, *linear_image;
+ uint8_t *linear_image;
assert(llvmpipe_resource_is_texture(&lpr->base));
assert(x % TILE_SIZE == 0);
if (!linear_img->data) {
/* allocate memory for the linear image now */
+ /* XXX should probably not do that here? */
alloc_image_data(lpr, LP_TEX_LAYOUT_LINEAR);
}
+ assert(linear_img->data);
/* compute address of the slice/face of the image that contains the tile */
- tiled_image = llvmpipe_get_texture_image_address(lpr, face_slice, level,
- LP_TEX_LAYOUT_TILED);
linear_image = llvmpipe_get_texture_image_address(lpr, face_slice, level,
LP_TEX_LAYOUT_LINEAR);
- /* get current tile layout and determine if data conversion is needed */
- cur_layout = llvmpipe_get_texture_tile_layout(lpr, face_slice, level, tx, ty);
-
- layout_logic(cur_layout, LP_TEX_LAYOUT_LINEAR, usage,
- &new_layout, &convert);
-
- if (convert && tiled_image && linear_image) {
- lp_tiled_to_linear(tiled_image, linear_image,
- x, y, TILE_SIZE, TILE_SIZE, lpr->base.format,
- lpr->row_stride[level],
- lpr->tiles_per_row[level]);
- }
-
- if (new_layout != cur_layout)
- llvmpipe_set_texture_tile_layout(lpr, face_slice, level, tx, ty, new_layout);
-
return linear_image;
}
-/**
- * Get pointer to tiled data for rendering.
- * \return pointer to the tiled data at the given tile position
- */
-ubyte *
-llvmpipe_get_texture_tile(struct llvmpipe_resource *lpr,
- unsigned face_slice, unsigned level,
- enum lp_texture_usage usage,
- unsigned x, unsigned y)
-{
- struct llvmpipe_texture_image *tiled_img = &lpr->tiled_img;
- enum lp_texture_layout cur_layout, new_layout;
- const unsigned tx = x / TILE_SIZE, ty = y / TILE_SIZE;
- boolean convert;
- uint8_t *tiled_image, *linear_image;
- unsigned tile_offset;
-
- assert(x % TILE_SIZE == 0);
- assert(y % TILE_SIZE == 0);
-
- if (!tiled_img->data) {
- /* allocate memory for the tiled image now */
- alloc_image_data(lpr, LP_TEX_LAYOUT_TILED);
- }
-
- /* compute address of the slice/face of the image that contains the tile */
- tiled_image = llvmpipe_get_texture_image_address(lpr, face_slice, level,
- LP_TEX_LAYOUT_TILED);
- linear_image = llvmpipe_get_texture_image_address(lpr, face_slice, level,
- LP_TEX_LAYOUT_LINEAR);
-
- /* get current tile layout and see if we need to convert the data */
- cur_layout = llvmpipe_get_texture_tile_layout(lpr, face_slice, level, tx, ty);
-
- layout_logic(cur_layout, LP_TEX_LAYOUT_TILED, usage, &new_layout, &convert);
- if (convert && linear_image && tiled_image) {
- lp_linear_to_tiled(linear_image, tiled_image,
- x, y, TILE_SIZE, TILE_SIZE, lpr->base.format,
- lpr->row_stride[level],
- lpr->tiles_per_row[level]);
- }
-
- if (!tiled_image)
- return NULL;
-
- if (new_layout != cur_layout)
- llvmpipe_set_texture_tile_layout(lpr, face_slice, level, tx, ty, new_layout);
-
- /* compute, return address of the 64x64 tile */
- tile_offset = (ty * lpr->tiles_per_row[level] + tx)
- * TILE_SIZE * TILE_SIZE * 4;
-
- return (ubyte *) tiled_image + tile_offset;
-}
-
-
/**
* Return size of resource in bytes
*/
for (lvl = 0; lvl <= lpr->base.last_level; lvl++) {
if (lpr->linear_img.data)
size += tex_image_size(lpr, lvl, LP_TEX_LAYOUT_LINEAR);
-
- if (lpr->tiled_img.data)
- size += tex_image_size(lpr, lvl, LP_TEX_LAYOUT_TILED);
}
}
else {
+++ /dev/null
-/**************************************************************************
- *
- * Copyright 2010 VMware, Inc. 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 THE AUTHORS 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.
- *
- **************************************************************************/
-
-
-/**
- * Code to convert images from tiled to linear and back.
- * XXX there are quite a few assumptions about color and z/stencil being
- * 32bpp.
- */
-
-
-#include "util/u_format.h"
-#include "util/u_memory.h"
-#include "lp_limits.h"
-#include "lp_tile_image.h"
-
-
-#define BYTES_PER_TILE (TILE_SIZE * TILE_SIZE * 4)
-
-
-/**
- * Untile a 4x4 block of 32-bit words (all contiguous) to linear layout
- * at dst, with dst_stride words between rows.
- */
-static void
-untile_4_4_uint32(const uint32_t *src, uint32_t *dst, unsigned dst_stride)
-{
- uint32_t *d0 = dst;
- uint32_t *d1 = d0 + dst_stride;
- uint32_t *d2 = d1 + dst_stride;
- uint32_t *d3 = d2 + dst_stride;
-
- d0[0] = src[0]; d0[1] = src[1]; d0[2] = src[4]; d0[3] = src[5];
- d1[0] = src[2]; d1[1] = src[3]; d1[2] = src[6]; d1[3] = src[7];
- d2[0] = src[8]; d2[1] = src[9]; d2[2] = src[12]; d2[3] = src[13];
- d3[0] = src[10]; d3[1] = src[11]; d3[2] = src[14]; d3[3] = src[15];
-}
-
-
-
-/**
- * Untile a 4x4 block of 16-bit words (all contiguous) to linear layout
- * at dst, with dst_stride words between rows.
- */
-static void
-untile_4_4_uint16(const uint16_t *src, uint16_t *dst, unsigned dst_stride)
-{
- uint16_t *d0 = dst;
- uint16_t *d1 = d0 + dst_stride;
- uint16_t *d2 = d1 + dst_stride;
- uint16_t *d3 = d2 + dst_stride;
-
- d0[0] = src[0]; d0[1] = src[1]; d0[2] = src[4]; d0[3] = src[5];
- d1[0] = src[2]; d1[1] = src[3]; d1[2] = src[6]; d1[3] = src[7];
- d2[0] = src[8]; d2[1] = src[9]; d2[2] = src[12]; d2[3] = src[13];
- d3[0] = src[10]; d3[1] = src[11]; d3[2] = src[14]; d3[3] = src[15];
-}
-
-
-
-/**
- * Convert a 4x4 rect of 32-bit words from a linear layout into tiled
- * layout (in which all 16 words are contiguous).
- */
-static void
-tile_4_4_uint32(const uint32_t *src, uint32_t *dst, unsigned src_stride)
-{
- const uint32_t *s0 = src;
- const uint32_t *s1 = s0 + src_stride;
- const uint32_t *s2 = s1 + src_stride;
- const uint32_t *s3 = s2 + src_stride;
-
- dst[0] = s0[0]; dst[1] = s0[1]; dst[4] = s0[2]; dst[5] = s0[3];
- dst[2] = s1[0]; dst[3] = s1[1]; dst[6] = s1[2]; dst[7] = s1[3];
- dst[8] = s2[0]; dst[9] = s2[1]; dst[12] = s2[2]; dst[13] = s2[3];
- dst[10] = s3[0]; dst[11] = s3[1]; dst[14] = s3[2]; dst[15] = s3[3];
-}
-
-
-
-/**
- * Convert a 4x4 rect of 16-bit words from a linear layout into tiled
- * layout (in which all 16 words are contiguous).
- */
-static void
-tile_4_4_uint16(const uint16_t *src, uint16_t *dst, unsigned src_stride)
-{
- const uint16_t *s0 = src;
- const uint16_t *s1 = s0 + src_stride;
- const uint16_t *s2 = s1 + src_stride;
- const uint16_t *s3 = s2 + src_stride;
-
- dst[0] = s0[0]; dst[1] = s0[1]; dst[4] = s0[2]; dst[5] = s0[3];
- dst[2] = s1[0]; dst[3] = s1[1]; dst[6] = s1[2]; dst[7] = s1[3];
- dst[8] = s2[0]; dst[9] = s2[1]; dst[12] = s2[2]; dst[13] = s2[3];
- dst[10] = s3[0]; dst[11] = s3[1]; dst[14] = s3[2]; dst[15] = s3[3];
-}
-
-
-
-/**
- * Convert a tiled image into a linear image.
- * \param dst_stride dest row stride in bytes
- */
-void
-lp_tiled_to_linear(const void *src, void *dst,
- unsigned x, unsigned y,
- unsigned width, unsigned height,
- enum pipe_format format,
- unsigned dst_stride,
- unsigned tiles_per_row)
-{
- assert(x % TILE_SIZE == 0);
- assert(y % TILE_SIZE == 0);
- /*assert(width % TILE_SIZE == 0);
- assert(height % TILE_SIZE == 0);*/
-
- /* Note that Z/stencil surfaces use a different tiling size than
- * color surfaces.
- */
- if (util_format_is_depth_or_stencil(format)) {
- const uint bpp = util_format_get_blocksize(format);
- const uint src_stride = dst_stride * TILE_VECTOR_WIDTH;
- const uint tile_w = TILE_VECTOR_WIDTH, tile_h = TILE_VECTOR_HEIGHT;
- const uint tiles_per_row = src_stride / (tile_w * tile_h * bpp);
-
- dst_stride /= bpp; /* convert from bytes to words */
-
- if (bpp == 4) {
- const uint32_t *src32 = (const uint32_t *) src;
- uint32_t *dst32 = (uint32_t *) dst;
- uint i, j;
-
- for (j = 0; j < height; j += tile_h) {
- for (i = 0; i < width; i += tile_w) {
- /* compute offsets in 32-bit words */
- uint ii = i + x, jj = j + y;
- uint src_offset = (jj / tile_h * tiles_per_row + ii / tile_w)
- * (tile_w * tile_h);
- uint dst_offset = jj * dst_stride + ii;
- untile_4_4_uint32(src32 + src_offset,
- dst32 + dst_offset,
- dst_stride);
- }
- }
- }
- else {
- const uint16_t *src16 = (const uint16_t *) src;
- uint16_t *dst16 = (uint16_t *) dst;
- uint i, j;
-
- assert(bpp == 2);
-
- for (j = 0; j < height; j += tile_h) {
- for (i = 0; i < width; i += tile_w) {
- /* compute offsets in 16-bit words */
- uint ii = i + x, jj = j + y;
- uint src_offset = (jj / tile_h * tiles_per_row + ii / tile_w)
- * (tile_w * tile_h);
- uint dst_offset = jj * dst_stride + ii;
- untile_4_4_uint16(src16 + src_offset,
- dst16 + dst_offset,
- dst_stride);
- }
- }
- }
- }
- else {
- assert(0);
- }
-}
-
-
-/**
- * Convert a linear image into a tiled image.
- * \param src_stride source row stride in bytes
- */
-void
-lp_linear_to_tiled(const void *src, void *dst,
- unsigned x, unsigned y,
- unsigned width, unsigned height,
- enum pipe_format format,
- unsigned src_stride,
- unsigned tiles_per_row)
-{
- assert(x % TILE_SIZE == 0);
- assert(y % TILE_SIZE == 0);
- /*
- assert(width % TILE_SIZE == 0);
- assert(height % TILE_SIZE == 0);
- */
-
- if (util_format_is_depth_or_stencil(format)) {
- const uint bpp = util_format_get_blocksize(format);
- const uint dst_stride = src_stride * TILE_VECTOR_WIDTH;
- const uint tile_w = TILE_VECTOR_WIDTH, tile_h = TILE_VECTOR_HEIGHT;
- const uint tiles_per_row = dst_stride / (tile_w * tile_h * bpp);
-
- src_stride /= bpp; /* convert from bytes to words */
-
- if (bpp == 4) {
- const uint32_t *src32 = (const uint32_t *) src;
- uint32_t *dst32 = (uint32_t *) dst;
- uint i, j;
-
- for (j = 0; j < height; j += tile_h) {
- for (i = 0; i < width; i += tile_w) {
- /* compute offsets in 32-bit words */
- uint ii = i + x, jj = j + y;
- uint src_offset = jj * src_stride + ii;
- uint dst_offset = (jj / tile_h * tiles_per_row + ii / tile_w)
- * (tile_w * tile_h);
- tile_4_4_uint32(src32 + src_offset,
- dst32 + dst_offset,
- src_stride);
- }
- }
- }
- else {
- const uint16_t *src16 = (const uint16_t *) src;
- uint16_t *dst16 = (uint16_t *) dst;
- uint i, j;
-
- assert(bpp == 2);
-
- for (j = 0; j < height; j += tile_h) {
- for (i = 0; i < width; i += tile_w) {
- /* compute offsets in 16-bit words */
- uint ii = i + x, jj = j + y;
- uint src_offset = jj * src_stride + ii;
- uint dst_offset = (jj / tile_h * tiles_per_row + ii / tile_w)
- * (tile_w * tile_h);
- tile_4_4_uint16(src16 + src_offset,
- dst16 + dst_offset,
- src_stride);
- }
- }
- }
- }
- else {
- assert(0);
- }
-}
-
-
-/**
- * For testing only.
- */
-void
-test_tiled_linear_conversion(void *data,
- enum pipe_format format,
- unsigned width, unsigned height,
- unsigned stride)
-{
- /* size in tiles */
- unsigned wt = (width + TILE_SIZE - 1) / TILE_SIZE;
- unsigned ht = (height + TILE_SIZE - 1) / TILE_SIZE;
-
- uint8_t *tiled = MALLOC(wt * ht * TILE_SIZE * TILE_SIZE * 4);
-
- /*unsigned tiled_stride = wt * TILE_SIZE * TILE_SIZE * 4;*/
-
- lp_linear_to_tiled(data, tiled, 0, 0, width, height, format,
- stride, wt);
-
- lp_tiled_to_linear(tiled, data, 0, 0, width, height, format,
- stride, wt);
-
- FREE(tiled);
-}
-
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