896 lines
23 KiB
C
896 lines
23 KiB
C
/**************************************************************************
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*
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* Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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/**
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* RGBA/float tile get/put functions.
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* Usable both by drivers and state trackers.
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*/
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#include "pipe/p_defines.h"
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#include "util/u_inlines.h"
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#include "util/u_format.h"
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#include "util/u_math.h"
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#include "util/u_memory.h"
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#include "util/u_rect.h"
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#include "util/u_tile.h"
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/**
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* Move raw block of pixels from transfer object to user memory.
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*/
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void
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pipe_get_tile_raw(struct pipe_transfer *pt,
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const void *src,
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uint x, uint y, uint w, uint h,
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void *dst, int dst_stride)
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{
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if (dst_stride == 0)
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dst_stride = util_format_get_stride(pt->resource->format, w);
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if (u_clip_tile(x, y, &w, &h, &pt->box))
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return;
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util_copy_rect(dst, pt->resource->format, dst_stride, 0, 0, w, h, src, pt->stride, x, y);
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}
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/**
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* Move raw block of pixels from user memory to transfer object.
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*/
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void
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pipe_put_tile_raw(struct pipe_transfer *pt,
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void *dst,
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uint x, uint y, uint w, uint h,
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const void *src, int src_stride)
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{
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enum pipe_format format = pt->resource->format;
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if (src_stride == 0)
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src_stride = util_format_get_stride(format, w);
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if (u_clip_tile(x, y, &w, &h, &pt->box))
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return;
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util_copy_rect(dst, format, pt->stride, x, y, w, h, src, src_stride, 0, 0);
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}
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/** Convert short in [-32768,32767] to GLfloat in [-1.0,1.0] */
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#define SHORT_TO_FLOAT(S) ((2.0F * (S) + 1.0F) * (1.0F/65535.0F))
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#define UNCLAMPED_FLOAT_TO_SHORT(us, f) \
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us = ( (short) ( CLAMP((f), -1.0, 1.0) * 32767.0F) )
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/*** PIPE_FORMAT_Z16_UNORM ***/
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/**
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* Return each Z value as four floats in [0,1].
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*/
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static void
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z16_get_tile_rgba(const ushort *src,
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unsigned w, unsigned h,
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float *p,
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unsigned dst_stride)
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{
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const float scale = 1.0f / 65535.0f;
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unsigned i, j;
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for (i = 0; i < h; i++) {
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float *pRow = p;
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for (j = 0; j < w; j++, pRow += 4) {
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pRow[0] =
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pRow[1] =
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pRow[2] =
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pRow[3] = *src++ * scale;
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}
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p += dst_stride;
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}
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}
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/*** PIPE_FORMAT_Z32_UNORM ***/
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/**
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* Return each Z value as four floats in [0,1].
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*/
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static void
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z32_get_tile_rgba(const unsigned *src,
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unsigned w, unsigned h,
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float *p,
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unsigned dst_stride)
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{
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const double scale = 1.0 / (double) 0xffffffff;
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unsigned i, j;
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for (i = 0; i < h; i++) {
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float *pRow = p;
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for (j = 0; j < w; j++, pRow += 4) {
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pRow[0] =
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pRow[1] =
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pRow[2] =
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pRow[3] = (float) (*src++ * scale);
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}
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p += dst_stride;
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}
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}
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/*** PIPE_FORMAT_Z24_UNORM_S8_UINT ***/
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/**
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* Return Z component as four float in [0,1]. Stencil part ignored.
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*/
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static void
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s8z24_get_tile_rgba(const unsigned *src,
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unsigned w, unsigned h,
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float *p,
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unsigned dst_stride)
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{
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const double scale = 1.0 / ((1 << 24) - 1);
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unsigned i, j;
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for (i = 0; i < h; i++) {
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float *pRow = p;
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for (j = 0; j < w; j++, pRow += 4) {
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pRow[0] =
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pRow[1] =
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pRow[2] =
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pRow[3] = (float) (scale * (*src++ & 0xffffff));
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}
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p += dst_stride;
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}
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}
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/*** PIPE_FORMAT_S8_UINT_Z24_UNORM ***/
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/**
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* Return Z component as four float in [0,1]. Stencil part ignored.
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*/
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static void
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z24s8_get_tile_rgba(const unsigned *src,
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unsigned w, unsigned h,
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float *p,
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unsigned dst_stride)
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{
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const double scale = 1.0 / ((1 << 24) - 1);
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unsigned i, j;
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for (i = 0; i < h; i++) {
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float *pRow = p;
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for (j = 0; j < w; j++, pRow += 4) {
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pRow[0] =
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pRow[1] =
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pRow[2] =
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pRow[3] = (float) (scale * (*src++ >> 8));
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}
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p += dst_stride;
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}
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}
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/*** PIPE_FORMAT_S8X24_UINT ***/
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/**
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* Return S component as four uint32_t in [0..255]. Z part ignored.
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*/
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static void
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s8x24_get_tile_rgba(const unsigned *src,
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unsigned w, unsigned h,
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float *p,
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unsigned dst_stride)
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{
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unsigned i, j;
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for (i = 0; i < h; i++) {
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float *pRow = p;
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for (j = 0; j < w; j++, pRow += 4) {
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pRow[0] =
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pRow[1] =
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pRow[2] =
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pRow[3] = (float)((*src++ >> 24) & 0xff);
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}
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p += dst_stride;
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}
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}
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/*** PIPE_FORMAT_X24S8_UINT ***/
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/**
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* Return S component as four uint32_t in [0..255]. Z part ignored.
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*/
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static void
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x24s8_get_tile_rgba(const unsigned *src,
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unsigned w, unsigned h,
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float *p,
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unsigned dst_stride)
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{
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unsigned i, j;
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for (i = 0; i < h; i++) {
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float *pRow = p;
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for (j = 0; j < w; j++, pRow += 4) {
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pRow[0] =
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pRow[1] =
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pRow[2] =
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pRow[3] = (float)(*src++ & 0xff);
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}
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p += dst_stride;
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}
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}
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/**
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* Return S component as four uint32_t in [0..255]. Z part ignored.
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*/
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static void
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s8_get_tile_rgba(const unsigned char *src,
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unsigned w, unsigned h,
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float *p,
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unsigned dst_stride)
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{
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unsigned i, j;
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for (i = 0; i < h; i++) {
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float *pRow = p;
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for (j = 0; j < w; j++, pRow += 4) {
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pRow[0] =
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pRow[1] =
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pRow[2] =
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pRow[3] = (float)(*src++ & 0xff);
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}
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p += dst_stride;
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}
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}
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/*** PIPE_FORMAT_Z32_FLOAT ***/
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/**
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* Return each Z value as four floats in [0,1].
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*/
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static void
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z32f_get_tile_rgba(const float *src,
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unsigned w, unsigned h,
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float *p,
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unsigned dst_stride)
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{
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unsigned i, j;
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for (i = 0; i < h; i++) {
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float *pRow = p;
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for (j = 0; j < w; j++, pRow += 4) {
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pRow[0] =
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pRow[1] =
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pRow[2] =
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pRow[3] = *src++;
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}
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p += dst_stride;
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}
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}
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/*** PIPE_FORMAT_Z32_FLOAT_S8X24_UINT ***/
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/**
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* Return each Z value as four floats in [0,1].
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*/
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static void
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z32f_x24s8_get_tile_rgba(const float *src,
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unsigned w, unsigned h,
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float *p,
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unsigned dst_stride)
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{
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unsigned i, j;
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for (i = 0; i < h; i++) {
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float *pRow = p;
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for (j = 0; j < w; j++, pRow += 4) {
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pRow[0] =
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pRow[1] =
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pRow[2] =
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pRow[3] = *src;
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src += 2;
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}
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p += dst_stride;
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}
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}
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/*** PIPE_FORMAT_X32_S8X24_UINT ***/
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/**
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* Return S component as four uint32_t in [0..255]. Z part ignored.
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*/
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static void
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x32_s8_get_tile_rgba(const unsigned *src,
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unsigned w, unsigned h,
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float *p,
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unsigned dst_stride)
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{
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unsigned i, j;
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for (i = 0; i < h; i++) {
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float *pRow = p;
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for (j = 0; j < w; j++, pRow += 4) {
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src++;
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pRow[0] =
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pRow[1] =
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pRow[2] =
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pRow[3] = (float)(*src++ & 0xff);
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}
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p += dst_stride;
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}
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}
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void
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pipe_tile_raw_to_rgba(enum pipe_format format,
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const void *src,
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uint w, uint h,
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float *dst, unsigned dst_stride)
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{
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switch (format) {
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case PIPE_FORMAT_Z16_UNORM:
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z16_get_tile_rgba((ushort *) src, w, h, dst, dst_stride);
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break;
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case PIPE_FORMAT_Z32_UNORM:
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z32_get_tile_rgba((unsigned *) src, w, h, dst, dst_stride);
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break;
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case PIPE_FORMAT_Z24_UNORM_S8_UINT:
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case PIPE_FORMAT_Z24X8_UNORM:
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s8z24_get_tile_rgba((unsigned *) src, w, h, dst, dst_stride);
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break;
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case PIPE_FORMAT_S8_UINT:
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s8_get_tile_rgba((unsigned char *) src, w, h, dst, dst_stride);
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break;
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case PIPE_FORMAT_X24S8_UINT:
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s8x24_get_tile_rgba((unsigned *) src, w, h, dst, dst_stride);
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break;
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case PIPE_FORMAT_S8_UINT_Z24_UNORM:
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case PIPE_FORMAT_X8Z24_UNORM:
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z24s8_get_tile_rgba((unsigned *) src, w, h, dst, dst_stride);
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break;
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case PIPE_FORMAT_S8X24_UINT:
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x24s8_get_tile_rgba((unsigned *) src, w, h, dst, dst_stride);
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break;
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case PIPE_FORMAT_Z32_FLOAT:
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z32f_get_tile_rgba((float *) src, w, h, dst, dst_stride);
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break;
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case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
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z32f_x24s8_get_tile_rgba((float *) src, w, h, dst, dst_stride);
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break;
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case PIPE_FORMAT_X32_S8X24_UINT:
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x32_s8_get_tile_rgba((unsigned *) src, w, h, dst, dst_stride);
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break;
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default:
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util_format_read_4f(format,
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dst, dst_stride * sizeof(float),
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src, util_format_get_stride(format, w),
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0, 0, w, h);
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}
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}
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void
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pipe_tile_raw_to_unsigned(enum pipe_format format,
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const void *src,
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uint w, uint h,
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unsigned *dst, unsigned dst_stride)
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{
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util_format_read_4ui(format,
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dst, dst_stride * sizeof(float),
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src, util_format_get_stride(format, w),
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0, 0, w, h);
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}
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void
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pipe_tile_raw_to_signed(enum pipe_format format,
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void *src,
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uint w, uint h,
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int *dst, unsigned dst_stride)
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{
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util_format_read_4i(format,
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dst, dst_stride * sizeof(float),
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src, util_format_get_stride(format, w),
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0, 0, w, h);
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}
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void
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pipe_get_tile_rgba(struct pipe_transfer *pt,
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const void *src,
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uint x, uint y, uint w, uint h,
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float *p)
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{
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pipe_get_tile_rgba_format(pt, src, x, y, w, h, pt->resource->format, p);
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}
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void
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pipe_get_tile_rgba_format(struct pipe_transfer *pt,
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const void *src,
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uint x, uint y, uint w, uint h,
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enum pipe_format format,
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float *p)
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{
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unsigned dst_stride = w * 4;
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void *packed;
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if (u_clip_tile(x, y, &w, &h, &pt->box)) {
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return;
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}
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packed = MALLOC(util_format_get_nblocks(format, w, h) * util_format_get_blocksize(format));
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if (!packed) {
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return;
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}
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if (format == PIPE_FORMAT_UYVY || format == PIPE_FORMAT_YUYV) {
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assert((x & 1) == 0);
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}
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pipe_get_tile_raw(pt, src, x, y, w, h, packed, 0);
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pipe_tile_raw_to_rgba(format, packed, w, h, p, dst_stride);
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FREE(packed);
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}
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void
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pipe_put_tile_rgba(struct pipe_transfer *pt,
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void *dst,
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uint x, uint y, uint w, uint h,
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const float *p)
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{
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pipe_put_tile_rgba_format(pt, dst, x, y, w, h, pt->resource->format, p);
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}
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void
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pipe_put_tile_rgba_format(struct pipe_transfer *pt,
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void *dst,
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uint x, uint y, uint w, uint h,
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enum pipe_format format,
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const float *p)
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{
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unsigned src_stride = w * 4;
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void *packed;
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if (u_clip_tile(x, y, &w, &h, &pt->box))
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return;
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packed = MALLOC(util_format_get_nblocks(format, w, h) * util_format_get_blocksize(format));
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if (!packed)
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return;
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switch (format) {
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case PIPE_FORMAT_Z16_UNORM:
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/*z16_put_tile_rgba((ushort *) packed, w, h, p, src_stride);*/
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break;
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case PIPE_FORMAT_Z32_UNORM:
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/*z32_put_tile_rgba((unsigned *) packed, w, h, p, src_stride);*/
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break;
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case PIPE_FORMAT_Z24_UNORM_S8_UINT:
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case PIPE_FORMAT_Z24X8_UNORM:
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/*s8z24_put_tile_rgba((unsigned *) packed, w, h, p, src_stride);*/
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break;
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case PIPE_FORMAT_S8_UINT_Z24_UNORM:
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case PIPE_FORMAT_X8Z24_UNORM:
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/*z24s8_put_tile_rgba((unsigned *) packed, w, h, p, src_stride);*/
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break;
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case PIPE_FORMAT_Z32_FLOAT:
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/*z32f_put_tile_rgba((unsigned *) packed, w, h, p, src_stride);*/
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break;
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case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
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/*z32f_s8x24_put_tile_rgba((unsigned *) packed, w, h, p, src_stride);*/
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break;
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default:
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util_format_write_4f(format,
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p, src_stride * sizeof(float),
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packed, util_format_get_stride(format, w),
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0, 0, w, h);
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}
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pipe_put_tile_raw(pt, dst, x, y, w, h, packed, 0);
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FREE(packed);
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}
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void
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pipe_put_tile_i_format(struct pipe_transfer *pt,
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void *dst,
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uint x, uint y, uint w, uint h,
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enum pipe_format format,
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const int *p)
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{
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unsigned src_stride = w * 4;
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void *packed;
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|
|
if (u_clip_tile(x, y, &w, &h, &pt->box))
|
|
return;
|
|
|
|
packed = MALLOC(util_format_get_nblocks(format, w, h) * util_format_get_blocksize(format));
|
|
|
|
if (!packed)
|
|
return;
|
|
|
|
util_format_write_4i(format,
|
|
p, src_stride * sizeof(float),
|
|
packed, util_format_get_stride(format, w),
|
|
0, 0, w, h);
|
|
|
|
pipe_put_tile_raw(pt, dst, x, y, w, h, packed, 0);
|
|
|
|
FREE(packed);
|
|
}
|
|
|
|
void
|
|
pipe_put_tile_ui_format(struct pipe_transfer *pt,
|
|
void *dst,
|
|
uint x, uint y, uint w, uint h,
|
|
enum pipe_format format,
|
|
const unsigned int *p)
|
|
{
|
|
unsigned src_stride = w * 4;
|
|
void *packed;
|
|
|
|
if (u_clip_tile(x, y, &w, &h, &pt->box))
|
|
return;
|
|
|
|
packed = MALLOC(util_format_get_nblocks(format, w, h) * util_format_get_blocksize(format));
|
|
|
|
if (!packed)
|
|
return;
|
|
|
|
util_format_write_4ui(format,
|
|
p, src_stride * sizeof(float),
|
|
packed, util_format_get_stride(format, w),
|
|
0, 0, w, h);
|
|
|
|
pipe_put_tile_raw(pt, dst, x, y, w, h, packed, 0);
|
|
|
|
FREE(packed);
|
|
}
|
|
|
|
/**
|
|
* Get a block of Z values, converted to 32-bit range.
|
|
*/
|
|
void
|
|
pipe_get_tile_z(struct pipe_transfer *pt,
|
|
const void *src,
|
|
uint x, uint y, uint w, uint h,
|
|
uint *z)
|
|
{
|
|
const uint dstStride = w;
|
|
const ubyte *map = src;
|
|
uint *pDest = z;
|
|
uint i, j;
|
|
enum pipe_format format = pt->resource->format;
|
|
|
|
if (u_clip_tile(x, y, &w, &h, &pt->box))
|
|
return;
|
|
|
|
switch (format) {
|
|
case PIPE_FORMAT_Z32_UNORM:
|
|
{
|
|
const uint *ptrc
|
|
= (const uint *)(map + y * pt->stride + x*4);
|
|
for (i = 0; i < h; i++) {
|
|
memcpy(pDest, ptrc, 4 * w);
|
|
pDest += dstStride;
|
|
ptrc += pt->stride/4;
|
|
}
|
|
}
|
|
break;
|
|
case PIPE_FORMAT_Z24_UNORM_S8_UINT:
|
|
case PIPE_FORMAT_Z24X8_UNORM:
|
|
{
|
|
const uint *ptrc
|
|
= (const uint *)(map + y * pt->stride + x*4);
|
|
for (i = 0; i < h; i++) {
|
|
for (j = 0; j < w; j++) {
|
|
/* convert 24-bit Z to 32-bit Z */
|
|
pDest[j] = (ptrc[j] << 8) | ((ptrc[j] >> 16) & 0xff);
|
|
}
|
|
pDest += dstStride;
|
|
ptrc += pt->stride/4;
|
|
}
|
|
}
|
|
break;
|
|
case PIPE_FORMAT_S8_UINT_Z24_UNORM:
|
|
case PIPE_FORMAT_X8Z24_UNORM:
|
|
{
|
|
const uint *ptrc
|
|
= (const uint *)(map + y * pt->stride + x*4);
|
|
for (i = 0; i < h; i++) {
|
|
for (j = 0; j < w; j++) {
|
|
/* convert 24-bit Z to 32-bit Z */
|
|
pDest[j] = (ptrc[j] & 0xffffff00) | ((ptrc[j] >> 24) & 0xff);
|
|
}
|
|
pDest += dstStride;
|
|
ptrc += pt->stride/4;
|
|
}
|
|
}
|
|
break;
|
|
case PIPE_FORMAT_Z16_UNORM:
|
|
{
|
|
const ushort *ptrc
|
|
= (const ushort *)(map + y * pt->stride + x*2);
|
|
for (i = 0; i < h; i++) {
|
|
for (j = 0; j < w; j++) {
|
|
/* convert 16-bit Z to 32-bit Z */
|
|
pDest[j] = (ptrc[j] << 16) | ptrc[j];
|
|
}
|
|
pDest += dstStride;
|
|
ptrc += pt->stride/2;
|
|
}
|
|
}
|
|
break;
|
|
case PIPE_FORMAT_Z32_FLOAT:
|
|
{
|
|
const float *ptrc = (const float *)(map + y * pt->stride + x*4);
|
|
for (i = 0; i < h; i++) {
|
|
for (j = 0; j < w; j++) {
|
|
/* convert float Z to 32-bit Z */
|
|
if (ptrc[j] <= 0.0) {
|
|
pDest[j] = 0;
|
|
}
|
|
else if (ptrc[j] >= 1.0) {
|
|
pDest[j] = 0xffffffff;
|
|
}
|
|
else {
|
|
double z = ptrc[j] * 0xffffffff;
|
|
pDest[j] = (uint) z;
|
|
}
|
|
}
|
|
pDest += dstStride;
|
|
ptrc += pt->stride/4;
|
|
}
|
|
}
|
|
break;
|
|
case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
|
|
{
|
|
const float *ptrc = (const float *)(map + y * pt->stride + x*8);
|
|
for (i = 0; i < h; i++) {
|
|
for (j = 0; j < w; j++) {
|
|
/* convert float Z to 32-bit Z */
|
|
if (ptrc[j] <= 0.0) {
|
|
pDest[j*2] = 0;
|
|
}
|
|
else if (ptrc[j] >= 1.0) {
|
|
pDest[j*2] = 0xffffffff;
|
|
}
|
|
else {
|
|
double z = ptrc[j] * 0xffffffff;
|
|
pDest[j*2] = (uint) z;
|
|
}
|
|
}
|
|
pDest += dstStride;
|
|
ptrc += pt->stride/4;
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
assert(0);
|
|
}
|
|
}
|
|
|
|
|
|
void
|
|
pipe_put_tile_z(struct pipe_transfer *pt,
|
|
void *dst,
|
|
uint x, uint y, uint w, uint h,
|
|
const uint *zSrc)
|
|
{
|
|
const uint srcStride = w;
|
|
const uint *ptrc = zSrc;
|
|
ubyte *map = dst;
|
|
uint i, j;
|
|
enum pipe_format format = pt->resource->format;
|
|
|
|
if (u_clip_tile(x, y, &w, &h, &pt->box))
|
|
return;
|
|
|
|
switch (format) {
|
|
case PIPE_FORMAT_Z32_UNORM:
|
|
{
|
|
uint *pDest = (uint *) (map + y * pt->stride + x*4);
|
|
for (i = 0; i < h; i++) {
|
|
memcpy(pDest, ptrc, 4 * w);
|
|
pDest += pt->stride/4;
|
|
ptrc += srcStride;
|
|
}
|
|
}
|
|
break;
|
|
case PIPE_FORMAT_Z24_UNORM_S8_UINT:
|
|
{
|
|
uint *pDest = (uint *) (map + y * pt->stride + x*4);
|
|
/*assert((pt->usage & PIPE_TRANSFER_READ_WRITE) == PIPE_TRANSFER_READ_WRITE);*/
|
|
for (i = 0; i < h; i++) {
|
|
for (j = 0; j < w; j++) {
|
|
/* convert 32-bit Z to 24-bit Z, preserve stencil */
|
|
pDest[j] = (pDest[j] & 0xff000000) | ptrc[j] >> 8;
|
|
}
|
|
pDest += pt->stride/4;
|
|
ptrc += srcStride;
|
|
}
|
|
}
|
|
break;
|
|
case PIPE_FORMAT_Z24X8_UNORM:
|
|
{
|
|
uint *pDest = (uint *) (map + y * pt->stride + x*4);
|
|
for (i = 0; i < h; i++) {
|
|
for (j = 0; j < w; j++) {
|
|
/* convert 32-bit Z to 24-bit Z (0 stencil) */
|
|
pDest[j] = ptrc[j] >> 8;
|
|
}
|
|
pDest += pt->stride/4;
|
|
ptrc += srcStride;
|
|
}
|
|
}
|
|
break;
|
|
case PIPE_FORMAT_S8_UINT_Z24_UNORM:
|
|
{
|
|
uint *pDest = (uint *) (map + y * pt->stride + x*4);
|
|
/*assert((pt->usage & PIPE_TRANSFER_READ_WRITE) == PIPE_TRANSFER_READ_WRITE);*/
|
|
for (i = 0; i < h; i++) {
|
|
for (j = 0; j < w; j++) {
|
|
/* convert 32-bit Z to 24-bit Z, preserve stencil */
|
|
pDest[j] = (pDest[j] & 0xff) | (ptrc[j] & 0xffffff00);
|
|
}
|
|
pDest += pt->stride/4;
|
|
ptrc += srcStride;
|
|
}
|
|
}
|
|
break;
|
|
case PIPE_FORMAT_X8Z24_UNORM:
|
|
{
|
|
uint *pDest = (uint *) (map + y * pt->stride + x*4);
|
|
for (i = 0; i < h; i++) {
|
|
for (j = 0; j < w; j++) {
|
|
/* convert 32-bit Z to 24-bit Z (0 stencil) */
|
|
pDest[j] = ptrc[j] & 0xffffff00;
|
|
}
|
|
pDest += pt->stride/4;
|
|
ptrc += srcStride;
|
|
}
|
|
}
|
|
break;
|
|
case PIPE_FORMAT_Z16_UNORM:
|
|
{
|
|
ushort *pDest = (ushort *) (map + y * pt->stride + x*2);
|
|
for (i = 0; i < h; i++) {
|
|
for (j = 0; j < w; j++) {
|
|
/* convert 32-bit Z to 16-bit Z */
|
|
pDest[j] = ptrc[j] >> 16;
|
|
}
|
|
pDest += pt->stride/2;
|
|
ptrc += srcStride;
|
|
}
|
|
}
|
|
break;
|
|
case PIPE_FORMAT_Z32_FLOAT:
|
|
{
|
|
float *pDest = (float *) (map + y * pt->stride + x*4);
|
|
for (i = 0; i < h; i++) {
|
|
for (j = 0; j < w; j++) {
|
|
/* convert 32-bit integer Z to float Z */
|
|
const double scale = 1.0 / 0xffffffffU;
|
|
pDest[j] = (float) (ptrc[j] * scale);
|
|
}
|
|
pDest += pt->stride/4;
|
|
ptrc += srcStride;
|
|
}
|
|
}
|
|
break;
|
|
case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
|
|
{
|
|
float *pDest = (float *) (map + y * pt->stride + x*8);
|
|
for (i = 0; i < h; i++) {
|
|
for (j = 0; j < w; j++) {
|
|
/* convert 32-bit integer Z to float Z */
|
|
const double scale = 1.0 / 0xffffffffU;
|
|
pDest[j*2] = (float) (ptrc[j] * scale);
|
|
}
|
|
pDest += pt->stride/4;
|
|
ptrc += srcStride;
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
assert(0);
|
|
}
|
|
}
|
|
|
|
|
|
void
|
|
pipe_get_tile_ui_format(struct pipe_transfer *pt,
|
|
const void *src,
|
|
uint x, uint y, uint w, uint h,
|
|
enum pipe_format format,
|
|
unsigned int *p)
|
|
{
|
|
unsigned dst_stride = w * 4;
|
|
void *packed;
|
|
|
|
if (u_clip_tile(x, y, &w, &h, &pt->box)) {
|
|
return;
|
|
}
|
|
|
|
packed = MALLOC(util_format_get_nblocks(format, w, h) * util_format_get_blocksize(format));
|
|
if (!packed) {
|
|
return;
|
|
}
|
|
|
|
if (format == PIPE_FORMAT_UYVY || format == PIPE_FORMAT_YUYV) {
|
|
assert((x & 1) == 0);
|
|
}
|
|
|
|
pipe_get_tile_raw(pt, src, x, y, w, h, packed, 0);
|
|
|
|
pipe_tile_raw_to_unsigned(format, packed, w, h, p, dst_stride);
|
|
|
|
FREE(packed);
|
|
}
|
|
|
|
|
|
void
|
|
pipe_get_tile_i_format(struct pipe_transfer *pt,
|
|
const void *src,
|
|
uint x, uint y, uint w, uint h,
|
|
enum pipe_format format,
|
|
int *p)
|
|
{
|
|
unsigned dst_stride = w * 4;
|
|
void *packed;
|
|
|
|
if (u_clip_tile(x, y, &w, &h, &pt->box)) {
|
|
return;
|
|
}
|
|
|
|
packed = MALLOC(util_format_get_nblocks(format, w, h) * util_format_get_blocksize(format));
|
|
if (!packed) {
|
|
return;
|
|
}
|
|
|
|
if (format == PIPE_FORMAT_UYVY || format == PIPE_FORMAT_YUYV) {
|
|
assert((x & 1) == 0);
|
|
}
|
|
|
|
pipe_get_tile_raw(pt, src, x, y, w, h, packed, 0);
|
|
|
|
pipe_tile_raw_to_signed(format, packed, w, h, p, dst_stride);
|
|
|
|
FREE(packed);
|
|
}
|