0,0 → 1,895 |
/************************************************************************** |
* |
* Copyright 2007 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 VMWARE 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. |
* |
**************************************************************************/ |
|
/** |
* RGBA/float tile get/put functions. |
* Usable both by drivers and state trackers. |
*/ |
|
|
#include "pipe/p_defines.h" |
#include "util/u_inlines.h" |
|
#include "util/u_format.h" |
#include "util/u_math.h" |
#include "util/u_memory.h" |
#include "util/u_surface.h" |
#include "util/u_tile.h" |
|
|
/** |
* Move raw block of pixels from transfer object to user memory. |
*/ |
void |
pipe_get_tile_raw(struct pipe_transfer *pt, |
const void *src, |
uint x, uint y, uint w, uint h, |
void *dst, int dst_stride) |
{ |
if (dst_stride == 0) |
dst_stride = util_format_get_stride(pt->resource->format, w); |
|
if (u_clip_tile(x, y, &w, &h, &pt->box)) |
return; |
|
util_copy_rect(dst, pt->resource->format, dst_stride, 0, 0, w, h, src, pt->stride, x, y); |
} |
|
|
/** |
* Move raw block of pixels from user memory to transfer object. |
*/ |
void |
pipe_put_tile_raw(struct pipe_transfer *pt, |
void *dst, |
uint x, uint y, uint w, uint h, |
const void *src, int src_stride) |
{ |
enum pipe_format format = pt->resource->format; |
|
if (src_stride == 0) |
src_stride = util_format_get_stride(format, w); |
|
if (u_clip_tile(x, y, &w, &h, &pt->box)) |
return; |
|
util_copy_rect(dst, format, pt->stride, x, y, w, h, src, src_stride, 0, 0); |
} |
|
|
|
|
/** Convert short in [-32768,32767] to GLfloat in [-1.0,1.0] */ |
#define SHORT_TO_FLOAT(S) ((2.0F * (S) + 1.0F) * (1.0F/65535.0F)) |
|
#define UNCLAMPED_FLOAT_TO_SHORT(us, f) \ |
us = ( (short) ( CLAMP((f), -1.0, 1.0) * 32767.0F) ) |
|
|
|
/*** PIPE_FORMAT_Z16_UNORM ***/ |
|
/** |
* Return each Z value as four floats in [0,1]. |
*/ |
static void |
z16_get_tile_rgba(const ushort *src, |
unsigned w, unsigned h, |
float *p, |
unsigned dst_stride) |
{ |
const float scale = 1.0f / 65535.0f; |
unsigned i, j; |
|
for (i = 0; i < h; i++) { |
float *pRow = p; |
for (j = 0; j < w; j++, pRow += 4) { |
pRow[0] = |
pRow[1] = |
pRow[2] = |
pRow[3] = *src++ * scale; |
} |
p += dst_stride; |
} |
} |
|
|
|
|
/*** PIPE_FORMAT_Z32_UNORM ***/ |
|
/** |
* Return each Z value as four floats in [0,1]. |
*/ |
static void |
z32_get_tile_rgba(const unsigned *src, |
unsigned w, unsigned h, |
float *p, |
unsigned dst_stride) |
{ |
const double scale = 1.0 / (double) 0xffffffff; |
unsigned i, j; |
|
for (i = 0; i < h; i++) { |
float *pRow = p; |
for (j = 0; j < w; j++, pRow += 4) { |
pRow[0] = |
pRow[1] = |
pRow[2] = |
pRow[3] = (float) (*src++ * scale); |
} |
p += dst_stride; |
} |
} |
|
|
/*** PIPE_FORMAT_Z24_UNORM_S8_UINT ***/ |
|
/** |
* Return Z component as four float in [0,1]. Stencil part ignored. |
*/ |
static void |
s8z24_get_tile_rgba(const unsigned *src, |
unsigned w, unsigned h, |
float *p, |
unsigned dst_stride) |
{ |
const double scale = 1.0 / ((1 << 24) - 1); |
unsigned i, j; |
|
for (i = 0; i < h; i++) { |
float *pRow = p; |
for (j = 0; j < w; j++, pRow += 4) { |
pRow[0] = |
pRow[1] = |
pRow[2] = |
pRow[3] = (float) (scale * (*src++ & 0xffffff)); |
} |
p += dst_stride; |
} |
} |
|
|
/*** PIPE_FORMAT_S8_UINT_Z24_UNORM ***/ |
|
/** |
* Return Z component as four float in [0,1]. Stencil part ignored. |
*/ |
static void |
z24s8_get_tile_rgba(const unsigned *src, |
unsigned w, unsigned h, |
float *p, |
unsigned dst_stride) |
{ |
const double scale = 1.0 / ((1 << 24) - 1); |
unsigned i, j; |
|
for (i = 0; i < h; i++) { |
float *pRow = p; |
for (j = 0; j < w; j++, pRow += 4) { |
pRow[0] = |
pRow[1] = |
pRow[2] = |
pRow[3] = (float) (scale * (*src++ >> 8)); |
} |
p += dst_stride; |
} |
} |
|
/*** PIPE_FORMAT_S8X24_UINT ***/ |
|
/** |
* Return S component as four uint32_t in [0..255]. Z part ignored. |
*/ |
static void |
s8x24_get_tile_rgba(const unsigned *src, |
unsigned w, unsigned h, |
float *p, |
unsigned dst_stride) |
{ |
unsigned i, j; |
|
for (i = 0; i < h; i++) { |
uint32_t *pRow = (uint32_t *)p; |
|
for (j = 0; j < w; j++, pRow += 4) { |
pRow[0] = |
pRow[1] = |
pRow[2] = |
pRow[3] = ((*src++ >> 24) & 0xff); |
} |
|
p += dst_stride; |
} |
} |
|
/*** PIPE_FORMAT_X24S8_UINT ***/ |
|
/** |
* Return S component as four uint32_t in [0..255]. Z part ignored. |
*/ |
static void |
x24s8_get_tile_rgba(const unsigned *src, |
unsigned w, unsigned h, |
float *p, |
unsigned dst_stride) |
{ |
unsigned i, j; |
|
for (i = 0; i < h; i++) { |
uint32_t *pRow = (uint32_t *)p; |
for (j = 0; j < w; j++, pRow += 4) { |
pRow[0] = |
pRow[1] = |
pRow[2] = |
pRow[3] = (*src++ & 0xff); |
} |
p += dst_stride; |
} |
} |
|
|
/** |
* Return S component as four uint32_t in [0..255]. Z part ignored. |
*/ |
static void |
s8_get_tile_rgba(const unsigned char *src, |
unsigned w, unsigned h, |
float *p, |
unsigned dst_stride) |
{ |
unsigned i, j; |
|
for (i = 0; i < h; i++) { |
uint32_t *pRow = (uint32_t *)p; |
for (j = 0; j < w; j++, pRow += 4) { |
pRow[0] = |
pRow[1] = |
pRow[2] = |
pRow[3] = (*src++ & 0xff); |
} |
p += dst_stride; |
} |
} |
|
/*** PIPE_FORMAT_Z32_FLOAT ***/ |
|
/** |
* Return each Z value as four floats in [0,1]. |
*/ |
static void |
z32f_get_tile_rgba(const float *src, |
unsigned w, unsigned h, |
float *p, |
unsigned dst_stride) |
{ |
unsigned i, j; |
|
for (i = 0; i < h; i++) { |
float *pRow = p; |
for (j = 0; j < w; j++, pRow += 4) { |
pRow[0] = |
pRow[1] = |
pRow[2] = |
pRow[3] = *src++; |
} |
p += dst_stride; |
} |
} |
|
/*** PIPE_FORMAT_Z32_FLOAT_S8X24_UINT ***/ |
|
/** |
* Return each Z value as four floats in [0,1]. |
*/ |
static void |
z32f_x24s8_get_tile_rgba(const float *src, |
unsigned w, unsigned h, |
float *p, |
unsigned dst_stride) |
{ |
unsigned i, j; |
|
for (i = 0; i < h; i++) { |
float *pRow = p; |
for (j = 0; j < w; j++, pRow += 4) { |
pRow[0] = |
pRow[1] = |
pRow[2] = |
pRow[3] = *src; |
src += 2; |
} |
p += dst_stride; |
} |
} |
|
/*** PIPE_FORMAT_X32_S8X24_UINT ***/ |
|
/** |
* Return S component as four uint32_t in [0..255]. Z part ignored. |
*/ |
static void |
x32_s8_get_tile_rgba(const unsigned *src, |
unsigned w, unsigned h, |
float *p, |
unsigned dst_stride) |
{ |
unsigned i, j; |
|
for (i = 0; i < h; i++) { |
uint32_t *pRow = (uint32_t *)p; |
for (j = 0; j < w; j++, pRow += 4) { |
src++; |
pRow[0] = |
pRow[1] = |
pRow[2] = |
pRow[3] = (*src++ & 0xff); |
} |
p += dst_stride; |
} |
} |
|
void |
pipe_tile_raw_to_rgba(enum pipe_format format, |
const void *src, |
uint w, uint h, |
float *dst, unsigned dst_stride) |
{ |
switch (format) { |
case PIPE_FORMAT_Z16_UNORM: |
z16_get_tile_rgba((ushort *) src, w, h, dst, dst_stride); |
break; |
case PIPE_FORMAT_Z32_UNORM: |
z32_get_tile_rgba((unsigned *) src, w, h, dst, dst_stride); |
break; |
case PIPE_FORMAT_Z24_UNORM_S8_UINT: |
case PIPE_FORMAT_Z24X8_UNORM: |
s8z24_get_tile_rgba((unsigned *) src, w, h, dst, dst_stride); |
break; |
case PIPE_FORMAT_S8_UINT: |
s8_get_tile_rgba((unsigned char *) src, w, h, dst, dst_stride); |
break; |
case PIPE_FORMAT_X24S8_UINT: |
s8x24_get_tile_rgba((unsigned *) src, w, h, dst, dst_stride); |
break; |
case PIPE_FORMAT_S8_UINT_Z24_UNORM: |
case PIPE_FORMAT_X8Z24_UNORM: |
z24s8_get_tile_rgba((unsigned *) src, w, h, dst, dst_stride); |
break; |
case PIPE_FORMAT_S8X24_UINT: |
x24s8_get_tile_rgba((unsigned *) src, w, h, dst, dst_stride); |
break; |
case PIPE_FORMAT_Z32_FLOAT: |
z32f_get_tile_rgba((float *) src, w, h, dst, dst_stride); |
break; |
case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT: |
z32f_x24s8_get_tile_rgba((float *) src, w, h, dst, dst_stride); |
break; |
case PIPE_FORMAT_X32_S8X24_UINT: |
x32_s8_get_tile_rgba((unsigned *) src, w, h, dst, dst_stride); |
break; |
default: |
util_format_read_4f(format, |
dst, dst_stride * sizeof(float), |
src, util_format_get_stride(format, w), |
0, 0, w, h); |
} |
} |
|
void |
pipe_tile_raw_to_unsigned(enum pipe_format format, |
const void *src, |
uint w, uint h, |
unsigned *dst, unsigned dst_stride) |
{ |
util_format_read_4ui(format, |
dst, dst_stride * sizeof(float), |
src, util_format_get_stride(format, w), |
0, 0, w, h); |
} |
|
void |
pipe_tile_raw_to_signed(enum pipe_format format, |
void *src, |
uint w, uint h, |
int *dst, unsigned dst_stride) |
{ |
util_format_read_4i(format, |
dst, dst_stride * sizeof(float), |
src, util_format_get_stride(format, w), |
0, 0, w, h); |
} |
|
void |
pipe_get_tile_rgba(struct pipe_transfer *pt, |
const void *src, |
uint x, uint y, uint w, uint h, |
float *p) |
{ |
pipe_get_tile_rgba_format(pt, src, x, y, w, h, pt->resource->format, p); |
} |
|
|
void |
pipe_get_tile_rgba_format(struct pipe_transfer *pt, |
const void *src, |
uint x, uint y, uint w, uint h, |
enum pipe_format format, |
float *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_rgba(format, packed, w, h, p, dst_stride); |
|
FREE(packed); |
} |
|
|
void |
pipe_put_tile_rgba(struct pipe_transfer *pt, |
void *dst, |
uint x, uint y, uint w, uint h, |
const float *p) |
{ |
pipe_put_tile_rgba_format(pt, dst, x, y, w, h, pt->resource->format, p); |
} |
|
|
void |
pipe_put_tile_rgba_format(struct pipe_transfer *pt, |
void *dst, |
uint x, uint y, uint w, uint h, |
enum pipe_format format, |
const float *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; |
|
switch (format) { |
case PIPE_FORMAT_Z16_UNORM: |
/*z16_put_tile_rgba((ushort *) packed, w, h, p, src_stride);*/ |
break; |
case PIPE_FORMAT_Z32_UNORM: |
/*z32_put_tile_rgba((unsigned *) packed, w, h, p, src_stride);*/ |
break; |
case PIPE_FORMAT_Z24_UNORM_S8_UINT: |
case PIPE_FORMAT_Z24X8_UNORM: |
/*s8z24_put_tile_rgba((unsigned *) packed, w, h, p, src_stride);*/ |
break; |
case PIPE_FORMAT_S8_UINT_Z24_UNORM: |
case PIPE_FORMAT_X8Z24_UNORM: |
/*z24s8_put_tile_rgba((unsigned *) packed, w, h, p, src_stride);*/ |
break; |
case PIPE_FORMAT_Z32_FLOAT: |
/*z32f_put_tile_rgba((unsigned *) packed, w, h, p, src_stride);*/ |
break; |
case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT: |
/*z32f_s8x24_put_tile_rgba((unsigned *) packed, w, h, p, src_stride);*/ |
break; |
default: |
util_format_write_4f(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_i_format(struct pipe_transfer *pt, |
void *dst, |
uint x, uint y, uint w, uint h, |
enum pipe_format format, |
const 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_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); |
} |