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util: Use stubs for the dynamically loaded S3TC functions.

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Loosely based on Luca Barbieri's commit
52e9b990a1.
This commit is contained in:
José Fonseca
2010-04-07 20:47:38 +01:00
parent a46ca64562
commit d96e87c3c5
1 changed files with 349 additions and 334 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/gallium/auxiliary/util/u_format_s3tc.c
+349 -334
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@@ -35,58 +35,121 @@
#endif
static void
util_format_dxt1_rgb_fetch_stub(int src_stride,
const uint8_t *src,
int col, int row,
uint8_t *dst)
{
assert(0);
}
static void
util_format_dxt1_rgba_fetch_stub(int src_stride,
const uint8_t *src,
int col, int row,
uint8_t *dst )
{
assert(0);
}
static void
util_format_dxt3_rgba_fetch_stub(int src_stride,
const uint8_t *src,
int col, int row,
uint8_t *dst )
{
assert(0);
}
static void
util_format_dxt5_rgba_fetch_stub(int src_stride,
const uint8_t *src,
int col, int row,
uint8_t *dst )
{
assert(0);
}
static void
util_format_dxtn_pack_stub(int src_comps,
int width, int height,
const uint8_t *src,
enum util_format_dxtn dst_format,
uint8_t *dst,
int dst_stride)
{
assert(0);
}
boolean util_format_s3tc_enabled = FALSE;
util_format_dxtn_fetch_t util_format_dxt1_rgb_fetch = NULL;
util_format_dxtn_fetch_t util_format_dxt1_rgba_fetch = NULL;
util_format_dxtn_fetch_t util_format_dxt3_rgba_fetch = NULL;
util_format_dxtn_fetch_t util_format_dxt5_rgba_fetch = NULL;
util_format_dxtn_fetch_t util_format_dxt1_rgb_fetch = util_format_dxt1_rgb_fetch_stub;
util_format_dxtn_fetch_t util_format_dxt1_rgba_fetch = util_format_dxt1_rgba_fetch_stub;
util_format_dxtn_fetch_t util_format_dxt3_rgba_fetch = util_format_dxt3_rgba_fetch_stub;
util_format_dxtn_fetch_t util_format_dxt5_rgba_fetch = util_format_dxt5_rgba_fetch_stub;
util_format_dxtn_pack_t util_format_dxtn_pack = NULL;
util_format_dxtn_pack_t util_format_dxtn_pack = util_format_dxtn_pack_stub;
void
util_format_s3tc_init(void)
{
static struct util_dl_library *
library = NULL;
static boolean first_time = TRUE;
struct util_dl_library *library = NULL;
util_dl_proc fetch_2d_texel_rgb_dxt1;
util_dl_proc fetch_2d_texel_rgba_dxt1;
util_dl_proc fetch_2d_texel_rgba_dxt3;
util_dl_proc fetch_2d_texel_rgba_dxt5;
util_dl_proc tx_compress_dxtn;
if (!first_time)
return;
first_time = FALSE;
if (util_format_s3tc_enabled)
return;
library = util_dl_open(DXTN_LIBNAME);
if (!library) {
library = util_dl_open(DXTN_LIBNAME);
if (!library) {
debug_printf("couldn't open " DXTN_LIBNAME ", software DXTn "
"compression/decompression unavailable");
}
else {
util_format_dxt1_rgb_fetch = (util_format_dxtn_fetch_t)
util_dl_get_proc_address(library, "fetch_2d_texel_rgb_dxt1");
util_format_dxt1_rgba_fetch = (util_format_dxtn_fetch_t)
util_dl_get_proc_address(library, "fetch_2d_texel_rgba_dxt1");
util_format_dxt3_rgba_fetch = (util_format_dxtn_fetch_t)
util_dl_get_proc_address(library, "fetch_2d_texel_rgba_dxt3");
util_format_dxt5_rgba_fetch = (util_format_dxtn_fetch_t)
util_dl_get_proc_address(library, "fetch_2d_texel_rgba_dxt5");
util_format_dxtn_pack = (util_format_dxtn_pack_t)
util_dl_get_proc_address(library, "tx_compress_dxtn");
if (util_format_dxt1_rgb_fetch ||
util_format_dxt1_rgba_fetch ||
util_format_dxt3_rgba_fetch ||
util_format_dxt5_rgba_fetch ||
util_format_dxtn_pack) {
util_format_s3tc_enabled = TRUE;
debug_printf("software DXTn compression/decompression available");
} else {
debug_printf("couldn't reference all symbols in "
DXTN_LIBNAME ", software DXTn compression/decompression "
"unavailable");
}
}
debug_printf("couldn't open " DXTN_LIBNAME ", software DXTn "
"compression/decompression unavailable");
return;
}
fetch_2d_texel_rgb_dxt1 =
util_dl_get_proc_address(library, "fetch_2d_texel_rgb_dxt1");
fetch_2d_texel_rgba_dxt1 =
util_dl_get_proc_address(library, "fetch_2d_texel_rgba_dxt1");
fetch_2d_texel_rgba_dxt3 =
util_dl_get_proc_address(library, "fetch_2d_texel_rgba_dxt3");
fetch_2d_texel_rgba_dxt5 =
util_dl_get_proc_address(library, "fetch_2d_texel_rgba_dxt5");
tx_compress_dxtn =
util_dl_get_proc_address(library, "tx_compress_dxtn");
if (!util_format_dxt1_rgb_fetch ||
!util_format_dxt1_rgba_fetch ||
!util_format_dxt3_rgba_fetch ||
!util_format_dxt5_rgba_fetch ||
!util_format_dxtn_pack) {
debug_printf("couldn't reference all symbols in " DXTN_LIBNAME
", software DXTn compression/decompression "
"unavailable");
return;
}
util_format_dxt1_rgb_fetch = (util_format_dxtn_fetch_t)fetch_2d_texel_rgb_dxt1;
util_format_dxt1_rgba_fetch = (util_format_dxtn_fetch_t)fetch_2d_texel_rgba_dxt1;
util_format_dxt3_rgba_fetch = (util_format_dxtn_fetch_t)fetch_2d_texel_rgba_dxt3;
util_format_dxt5_rgba_fetch = (util_format_dxtn_fetch_t)fetch_2d_texel_rgba_dxt5;
util_format_dxtn_pack = (util_format_dxtn_pack_t)tx_compress_dxtn;
util_format_s3tc_enabled = TRUE;
}
@@ -97,85 +160,69 @@ util_format_s3tc_init(void)
void
util_format_dxt1_rgb_fetch_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j)
{
if (util_format_dxt1_rgb_fetch) {
util_format_dxt1_rgb_fetch(0, src, i, j, dst);
}
util_format_dxt1_rgb_fetch(0, src, i, j, dst);
}
void
util_format_dxt1_rgba_fetch_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j)
{
if (util_format_dxt1_rgba_fetch) {
util_format_dxt1_rgba_fetch(0, src, i, j, dst);
}
util_format_dxt1_rgba_fetch(0, src, i, j, dst);
}
void
util_format_dxt3_rgba_fetch_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j)
{
if (util_format_dxt3_rgba_fetch) {
util_format_dxt3_rgba_fetch(0, src, i, j, dst);
}
util_format_dxt3_rgba_fetch(0, src, i, j, dst);
}
void
util_format_dxt5_rgba_fetch_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j)
{
if (util_format_dxt5_rgba_fetch) {
util_format_dxt5_rgba_fetch(0, src, i, j, dst);
}
util_format_dxt5_rgba_fetch(0, src, i, j, dst);
}
void
util_format_dxt1_rgb_fetch_float(float *dst, const uint8_t *src, unsigned i, unsigned j)
{
if (util_format_dxt1_rgb_fetch) {
uint8_t tmp[4];
util_format_dxt1_rgb_fetch(0, src, i, j, tmp);
dst[0] = ubyte_to_float(tmp[0]);
dst[1] = ubyte_to_float(tmp[1]);
dst[2] = ubyte_to_float(tmp[2]);
dst[3] = 1.0;
}
uint8_t tmp[4];
util_format_dxt1_rgb_fetch(0, src, i, j, tmp);
dst[0] = ubyte_to_float(tmp[0]);
dst[1] = ubyte_to_float(tmp[1]);
dst[2] = ubyte_to_float(tmp[2]);
dst[3] = 1.0;
}
void
util_format_dxt1_rgba_fetch_float(float *dst, const uint8_t *src, unsigned i, unsigned j)
{
if (util_format_dxt1_rgba_fetch) {
uint8_t tmp[4];
util_format_dxt1_rgba_fetch(0, src, i, j, tmp);
dst[0] = ubyte_to_float(tmp[0]);
dst[1] = ubyte_to_float(tmp[1]);
dst[2] = ubyte_to_float(tmp[2]);
dst[3] = ubyte_to_float(tmp[3]);
}
uint8_t tmp[4];
util_format_dxt1_rgba_fetch(0, src, i, j, tmp);
dst[0] = ubyte_to_float(tmp[0]);
dst[1] = ubyte_to_float(tmp[1]);
dst[2] = ubyte_to_float(tmp[2]);
dst[3] = ubyte_to_float(tmp[3]);
}
void
util_format_dxt3_rgba_fetch_float(float *dst, const uint8_t *src, unsigned i, unsigned j)
{
if (util_format_dxt3_rgba_fetch) {
uint8_t tmp[4];
util_format_dxt3_rgba_fetch(0, src, i, j, tmp);
dst[0] = ubyte_to_float(tmp[0]);
dst[1] = ubyte_to_float(tmp[1]);
dst[2] = ubyte_to_float(tmp[2]);
dst[3] = ubyte_to_float(tmp[3]);
}
uint8_t tmp[4];
util_format_dxt3_rgba_fetch(0, src, i, j, tmp);
dst[0] = ubyte_to_float(tmp[0]);
dst[1] = ubyte_to_float(tmp[1]);
dst[2] = ubyte_to_float(tmp[2]);
dst[3] = ubyte_to_float(tmp[3]);
}
void
util_format_dxt5_rgba_fetch_float(float *dst, const uint8_t *src, unsigned i, unsigned j)
{
if (util_format_dxt5_rgba_fetch) {
uint8_t tmp[4];
util_format_dxt5_rgba_fetch(0, src, i, j, tmp);
dst[0] = ubyte_to_float(tmp[0]);
dst[1] = ubyte_to_float(tmp[1]);
dst[2] = ubyte_to_float(tmp[2]);
dst[3] = ubyte_to_float(tmp[3]);
}
uint8_t tmp[4];
util_format_dxt5_rgba_fetch(0, src, i, j, tmp);
dst[0] = ubyte_to_float(tmp[0]);
dst[1] = ubyte_to_float(tmp[1]);
dst[2] = ubyte_to_float(tmp[2]);
dst[3] = ubyte_to_float(tmp[3]);
}
@@ -186,188 +233,172 @@ util_format_dxt5_rgba_fetch_float(float *dst, const uint8_t *src, unsigned i, un
void
util_format_dxt1_rgb_unpack_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
{
if (util_format_dxt1_rgb_fetch) {
unsigned x, y, i, j;
for(y = 0; y < height; y += 4) {
const uint8_t *src = src_row;
for(x = 0; x < width; x += 4) {
for(j = 0; j < 4; ++j) {
for(i = 0; i < 4; ++i) {
uint8_t *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*4;
util_format_dxt1_rgb_fetch(0, src, i, j, dst);
}
unsigned x, y, i, j;
for(y = 0; y < height; y += 4) {
const uint8_t *src = src_row;
for(x = 0; x < width; x += 4) {
for(j = 0; j < 4; ++j) {
for(i = 0; i < 4; ++i) {
uint8_t *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*4;
util_format_dxt1_rgb_fetch(0, src, i, j, dst);
}
src += 8;
}
src_row += src_stride;
src += 8;
}
src_row += src_stride;
}
}
void
util_format_dxt1_rgba_unpack_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
{
if (util_format_dxt1_rgba_fetch) {
unsigned x, y, i, j;
for(y = 0; y < height; y += 4) {
const uint8_t *src = src_row;
for(x = 0; x < width; x += 4) {
for(j = 0; j < 4; ++j) {
for(i = 0; i < 4; ++i) {
uint8_t *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*4;
util_format_dxt1_rgba_fetch(0, src, i, j, dst);
}
unsigned x, y, i, j;
for(y = 0; y < height; y += 4) {
const uint8_t *src = src_row;
for(x = 0; x < width; x += 4) {
for(j = 0; j < 4; ++j) {
for(i = 0; i < 4; ++i) {
uint8_t *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*4;
util_format_dxt1_rgba_fetch(0, src, i, j, dst);
}
src += 8;
}
src_row += src_stride;
src += 8;
}
src_row += src_stride;
}
}
void
util_format_dxt3_rgba_unpack_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
{
if (util_format_dxt3_rgba_fetch) {
unsigned x, y, i, j;
for(y = 0; y < height; y += 4) {
const uint8_t *src = src_row;
for(x = 0; x < width; x += 4) {
for(j = 0; j < 4; ++j) {
for(i = 0; i < 4; ++i) {
uint8_t *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*4;
util_format_dxt3_rgba_fetch(0, src, i, j, dst);
}
unsigned x, y, i, j;
for(y = 0; y < height; y += 4) {
const uint8_t *src = src_row;
for(x = 0; x < width; x += 4) {
for(j = 0; j < 4; ++j) {
for(i = 0; i < 4; ++i) {
uint8_t *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*4;
util_format_dxt3_rgba_fetch(0, src, i, j, dst);
}
src += 16;
}
src_row += src_stride;
src += 16;
}
src_row += src_stride;
}
}
void
util_format_dxt5_rgba_unpack_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
{
if (util_format_dxt5_rgba_fetch) {
unsigned x, y, i, j;
for(y = 0; y < height; y += 4) {
const uint8_t *src = src_row;
for(x = 0; x < width; x += 4) {
for(j = 0; j < 4; ++j) {
for(i = 0; i < 4; ++i) {
uint8_t *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*4;
util_format_dxt5_rgba_fetch(0, src, i, j, dst);
}
unsigned x, y, i, j;
for(y = 0; y < height; y += 4) {
const uint8_t *src = src_row;
for(x = 0; x < width; x += 4) {
for(j = 0; j < 4; ++j) {
for(i = 0; i < 4; ++i) {
uint8_t *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*4;
util_format_dxt5_rgba_fetch(0, src, i, j, dst);
}
src += 16;
}
src_row += src_stride;
src += 16;
}
src_row += src_stride;
}
}
void
util_format_dxt1_rgb_unpack_float(float *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
{
if (util_format_dxt1_rgb_fetch) {
unsigned x, y, i, j;
for(y = 0; y < height; y += 4) {
const uint8_t *src = src_row;
for(x = 0; x < width; x += 4) {
for(j = 0; j < 4; ++j) {
for(i = 0; i < 4; ++i) {
float *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*4;
uint8_t tmp[4];
util_format_dxt1_rgb_fetch(0, src, i, j, tmp);
dst[0] = ubyte_to_float(tmp[0]);
dst[1] = ubyte_to_float(tmp[1]);
dst[2] = ubyte_to_float(tmp[2]);
dst[3] = 1.0;
}
unsigned x, y, i, j;
for(y = 0; y < height; y += 4) {
const uint8_t *src = src_row;
for(x = 0; x < width; x += 4) {
for(j = 0; j < 4; ++j) {
for(i = 0; i < 4; ++i) {
float *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*4;
uint8_t tmp[4];
util_format_dxt1_rgb_fetch(0, src, i, j, tmp);
dst[0] = ubyte_to_float(tmp[0]);
dst[1] = ubyte_to_float(tmp[1]);
dst[2] = ubyte_to_float(tmp[2]);
dst[3] = 1.0;
}
src += 8;
}
src_row += src_stride;
src += 8;
}
src_row += src_stride;
}
}
void
util_format_dxt1_rgba_unpack_float(float *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
{
if (util_format_dxt1_rgba_fetch) {
unsigned x, y, i, j;
for(y = 0; y < height; y += 4) {
const uint8_t *src = src_row;
for(x = 0; x < width; x += 4) {
for(j = 0; j < 4; ++j) {
for(i = 0; i < 4; ++i) {
float *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*4;
uint8_t tmp[4];
util_format_dxt1_rgba_fetch(0, src, i, j, tmp);
dst[0] = ubyte_to_float(tmp[0]);
dst[1] = ubyte_to_float(tmp[1]);
dst[2] = ubyte_to_float(tmp[2]);
dst[3] = ubyte_to_float(tmp[3]);
}
unsigned x, y, i, j;
for(y = 0; y < height; y += 4) {
const uint8_t *src = src_row;
for(x = 0; x < width; x += 4) {
for(j = 0; j < 4; ++j) {
for(i = 0; i < 4; ++i) {
float *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*4;
uint8_t tmp[4];
util_format_dxt1_rgba_fetch(0, src, i, j, tmp);
dst[0] = ubyte_to_float(tmp[0]);
dst[1] = ubyte_to_float(tmp[1]);
dst[2] = ubyte_to_float(tmp[2]);
dst[3] = ubyte_to_float(tmp[3]);
}
src += 8;
}
src_row += src_stride;
src += 8;
}
src_row += src_stride;
}
}
void
util_format_dxt3_rgba_unpack_float(float *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
{
if (util_format_dxt3_rgba_fetch) {
unsigned x, y, i, j;
for(y = 0; y < height; y += 4) {
const uint8_t *src = src_row;
for(x = 0; x < width; x += 4) {
for(j = 0; j < 4; ++j) {
for(i = 0; i < 4; ++i) {
float *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*4;
uint8_t tmp[4];
util_format_dxt3_rgba_fetch(0, src, i, j, tmp);
dst[0] = ubyte_to_float(tmp[0]);
dst[1] = ubyte_to_float(tmp[1]);
dst[2] = ubyte_to_float(tmp[2]);
dst[3] = ubyte_to_float(tmp[3]);
}
unsigned x, y, i, j;
for(y = 0; y < height; y += 4) {
const uint8_t *src = src_row;
for(x = 0; x < width; x += 4) {
for(j = 0; j < 4; ++j) {
for(i = 0; i < 4; ++i) {
float *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*4;
uint8_t tmp[4];
util_format_dxt3_rgba_fetch(0, src, i, j, tmp);
dst[0] = ubyte_to_float(tmp[0]);
dst[1] = ubyte_to_float(tmp[1]);
dst[2] = ubyte_to_float(tmp[2]);
dst[3] = ubyte_to_float(tmp[3]);
}
src += 16;
}
src_row += src_stride;
src += 16;
}
src_row += src_stride;
}
}
void
util_format_dxt5_rgba_unpack_float(float *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
{
if (util_format_dxt5_rgba_fetch) {
unsigned x, y, i, j;
for(y = 0; y < height; y += 4) {
const uint8_t *src = src_row;
for(x = 0; x < width; x += 4) {
for(j = 0; j < 4; ++j) {
for(i = 0; i < 4; ++i) {
float *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*4;
uint8_t tmp[4];
util_format_dxt5_rgba_fetch(0, src, i, j, tmp);
dst[0] = ubyte_to_float(tmp[0]);
dst[1] = ubyte_to_float(tmp[1]);
dst[2] = ubyte_to_float(tmp[2]);
dst[3] = ubyte_to_float(tmp[3]);
}
unsigned x, y, i, j;
for(y = 0; y < height; y += 4) {
const uint8_t *src = src_row;
for(x = 0; x < width; x += 4) {
for(j = 0; j < 4; ++j) {
for(i = 0; i < 4; ++i) {
float *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*4;
uint8_t tmp[4];
util_format_dxt5_rgba_fetch(0, src, i, j, tmp);
dst[0] = ubyte_to_float(tmp[0]);
dst[1] = ubyte_to_float(tmp[1]);
dst[2] = ubyte_to_float(tmp[2]);
dst[3] = ubyte_to_float(tmp[3]);
}
src += 16;
}
src_row += src_stride;
src += 16;
}
src_row += src_stride;
}
}
@@ -379,216 +410,200 @@ util_format_dxt5_rgba_unpack_float(float *dst_row, unsigned dst_stride, const ui
void
util_format_dxt1_rgb_pack_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
{
if (util_format_dxtn_pack) {
unsigned x, y, i, j, k;
for(y = 0; y < height; y += 4) {
const uint8_t *src = src_row;
uint8_t *dst = dst_row;
for(x = 0; x < width; x += 4) {
uint8_t tmp[4][4][3];
for(j = 0; j < 4; ++j) {
for(i = 0; i < 4; ++i) {
for(k = 0; k < 3; ++k) {
tmp[j][i][k] = src[(y + j)*src_stride/sizeof(*src) + i*4 + k];
}
unsigned x, y, i, j, k;
for(y = 0; y < height; y += 4) {
const uint8_t *src = src_row;
uint8_t *dst = dst_row;
for(x = 0; x < width; x += 4) {
uint8_t tmp[4][4][3];
for(j = 0; j < 4; ++j) {
for(i = 0; i < 4; ++i) {
for(k = 0; k < 3; ++k) {
tmp[j][i][k] = src[(y + j)*src_stride/sizeof(*src) + i*4 + k];
}
}
util_format_dxtn_pack(3, 4, 4, &tmp[0][0][0], UTIL_FORMAT_DXT1_RGB, dst, dst_stride);
src += 4*4;
dst += 8;
}
src_row += src_stride;
dst_row += 4*dst_stride/sizeof(*dst_row);
util_format_dxtn_pack(3, 4, 4, &tmp[0][0][0], UTIL_FORMAT_DXT1_RGB, dst, dst_stride);
src += 4*4;
dst += 8;
}
src_row += src_stride;
dst_row += 4*dst_stride/sizeof(*dst_row);
}
}
void
util_format_dxt1_rgba_pack_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
{
if (util_format_dxtn_pack) {
unsigned x, y, i, j, k;
for(y = 0; y < height; y += 4) {
const uint8_t *src = src_row;
uint8_t *dst = dst_row;
for(x = 0; x < width; x += 4) {
uint8_t tmp[4][4][4];
for(j = 0; j < 4; ++j) {
for(i = 0; i < 4; ++i) {
for(k = 0; k < 4; ++k) {
tmp[j][i][k] = src[(y + j)*src_stride/sizeof(*src) + i*4 + k];
}
unsigned x, y, i, j, k;
for(y = 0; y < height; y += 4) {
const uint8_t *src = src_row;
uint8_t *dst = dst_row;
for(x = 0; x < width; x += 4) {
uint8_t tmp[4][4][4];
for(j = 0; j < 4; ++j) {
for(i = 0; i < 4; ++i) {
for(k = 0; k < 4; ++k) {
tmp[j][i][k] = src[(y + j)*src_stride/sizeof(*src) + i*4 + k];
}
}
util_format_dxtn_pack(4, 4, 4, &tmp[0][0][0], UTIL_FORMAT_DXT1_RGBA, dst, dst_stride);
src += 4*4;
dst += 8;
}
src_row += src_stride;
dst_row += 4*dst_stride/sizeof(*dst_row);
util_format_dxtn_pack(4, 4, 4, &tmp[0][0][0], UTIL_FORMAT_DXT1_RGBA, dst, dst_stride);
src += 4*4;
dst += 8;
}
src_row += src_stride;
dst_row += 4*dst_stride/sizeof(*dst_row);
}
}
void
util_format_dxt3_rgba_pack_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
{
if (util_format_dxtn_pack) {
unsigned x, y, i, j, k;
for(y = 0; y < height; y += 4) {
const uint8_t *src = src_row;
uint8_t *dst = dst_row;
for(x = 0; x < width; x += 4) {
uint8_t tmp[4][4][4];
for(j = 0; j < 4; ++j) {
for(i = 0; i < 4; ++i) {
for(k = 0; k < 4; ++k) {
tmp[j][i][k] = src[(y + j)*src_stride/sizeof(*src) + i*4 + k];
}
unsigned x, y, i, j, k;
for(y = 0; y < height; y += 4) {
const uint8_t *src = src_row;
uint8_t *dst = dst_row;
for(x = 0; x < width; x += 4) {
uint8_t tmp[4][4][4];
for(j = 0; j < 4; ++j) {
for(i = 0; i < 4; ++i) {
for(k = 0; k < 4; ++k) {
tmp[j][i][k] = src[(y + j)*src_stride/sizeof(*src) + i*4 + k];
}
}
util_format_dxtn_pack(4, 4, 4, &tmp[0][0][0], UTIL_FORMAT_DXT3_RGBA, dst, dst_stride);
src += 4*4;
dst += 16;
}
src_row += src_stride;
dst_row += 4*dst_stride/sizeof(*dst_row);
util_format_dxtn_pack(4, 4, 4, &tmp[0][0][0], UTIL_FORMAT_DXT3_RGBA, dst, dst_stride);
src += 4*4;
dst += 16;
}
src_row += src_stride;
dst_row += 4*dst_stride/sizeof(*dst_row);
}
}
void
util_format_dxt5_rgba_pack_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
{
if (util_format_dxtn_pack) {
unsigned x, y, i, j, k;
for(y = 0; y < height; y += 4) {
const uint8_t *src = src_row;
uint8_t *dst = dst_row;
for(x = 0; x < width; x += 4) {
uint8_t tmp[4][4][4];
for(j = 0; j < 4; ++j) {
for(i = 0; i < 4; ++i) {
for(k = 0; k < 4; ++k) {
tmp[j][i][k] = src[(y + j)*src_stride/sizeof(*src) + i*4 + k];
}
unsigned x, y, i, j, k;
for(y = 0; y < height; y += 4) {
const uint8_t *src = src_row;
uint8_t *dst = dst_row;
for(x = 0; x < width; x += 4) {
uint8_t tmp[4][4][4];
for(j = 0; j < 4; ++j) {
for(i = 0; i < 4; ++i) {
for(k = 0; k < 4; ++k) {
tmp[j][i][k] = src[(y + j)*src_stride/sizeof(*src) + i*4 + k];
}
}
util_format_dxtn_pack(4, 4, 4, &tmp[0][0][0], UTIL_FORMAT_DXT5_RGBA, dst, dst_stride);
src += 4*4;
dst += 16;
}
src_row += src_stride;
dst_row += 4*dst_stride/sizeof(*dst_row);
util_format_dxtn_pack(4, 4, 4, &tmp[0][0][0], UTIL_FORMAT_DXT5_RGBA, dst, dst_stride);
src += 4*4;
dst += 16;
}
src_row += src_stride;
dst_row += 4*dst_stride/sizeof(*dst_row);
}
}
void
util_format_dxt1_rgb_pack_float(uint8_t *dst_row, unsigned dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned height)
{
if (util_format_dxtn_pack) {
unsigned x, y, i, j, k;
for(y = 0; y < height; y += 4) {
const float *src = src_row;
uint8_t *dst = dst_row;
for(x = 0; x < width; x += 4) {
uint8_t tmp[4][4][3];
for(j = 0; j < 4; ++j) {
for(i = 0; i < 4; ++i) {
for(k = 0; k < 3; ++k) {
tmp[j][i][k] = float_to_ubyte(src[(y + j)*src_stride/sizeof(*src) + i*4 + k]);
}
unsigned x, y, i, j, k;
for(y = 0; y < height; y += 4) {
const float *src = src_row;
uint8_t *dst = dst_row;
for(x = 0; x < width; x += 4) {
uint8_t tmp[4][4][3];
for(j = 0; j < 4; ++j) {
for(i = 0; i < 4; ++i) {
for(k = 0; k < 3; ++k) {
tmp[j][i][k] = float_to_ubyte(src[(y + j)*src_stride/sizeof(*src) + i*4 + k]);
}
}
util_format_dxtn_pack(3, 4, 4, &tmp[0][0][0], UTIL_FORMAT_DXT1_RGB, dst, dst_stride);
src += 4*4;
dst += 8;
}
src_row += src_stride;
dst_row += 4*dst_stride/sizeof(*dst_row);
util_format_dxtn_pack(3, 4, 4, &tmp[0][0][0], UTIL_FORMAT_DXT1_RGB, dst, dst_stride);
src += 4*4;
dst += 8;
}
src_row += src_stride;
dst_row += 4*dst_stride/sizeof(*dst_row);
}
}
void
util_format_dxt1_rgba_pack_float(uint8_t *dst_row, unsigned dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned height)
{
if (util_format_dxtn_pack) {
unsigned x, y, i, j, k;
for(y = 0; y < height; y += 4) {
const float *src = src_row;
uint8_t *dst = dst_row;
for(x = 0; x < width; x += 4) {
uint8_t tmp[4][4][4];
for(j = 0; j < 4; ++j) {
for(i = 0; i < 4; ++i) {
for(k = 0; k < 4; ++k) {
tmp[j][i][k] = float_to_ubyte(src[(y + j)*src_stride/sizeof(*src) + i*4 + k]);
}
unsigned x, y, i, j, k;
for(y = 0; y < height; y += 4) {
const float *src = src_row;
uint8_t *dst = dst_row;
for(x = 0; x < width; x += 4) {
uint8_t tmp[4][4][4];
for(j = 0; j < 4; ++j) {
for(i = 0; i < 4; ++i) {
for(k = 0; k < 4; ++k) {
tmp[j][i][k] = float_to_ubyte(src[(y + j)*src_stride/sizeof(*src) + i*4 + k]);
}
}
util_format_dxtn_pack(4, 4, 4, &tmp[0][0][0], UTIL_FORMAT_DXT1_RGBA, dst, dst_stride);
src += 4*4;
dst += 8;
}
src_row += src_stride;
dst_row += 4*dst_stride/sizeof(*dst_row);
util_format_dxtn_pack(4, 4, 4, &tmp[0][0][0], UTIL_FORMAT_DXT1_RGBA, dst, dst_stride);
src += 4*4;
dst += 8;
}
src_row += src_stride;
dst_row += 4*dst_stride/sizeof(*dst_row);
}
}
void
util_format_dxt3_rgba_pack_float(uint8_t *dst_row, unsigned dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned height)
{
if (util_format_dxtn_pack) {
unsigned x, y, i, j, k;
for(y = 0; y < height; y += 4) {
const float *src = src_row;
uint8_t *dst = dst_row;
for(x = 0; x < width; x += 4) {
uint8_t tmp[4][4][4];
for(j = 0; j < 4; ++j) {
for(i = 0; i < 4; ++i) {
for(k = 0; k < 4; ++k) {
tmp[j][i][k] = float_to_ubyte(src[(y + j)*src_stride/sizeof(*src) + i*4 + k]);
}
unsigned x, y, i, j, k;
for(y = 0; y < height; y += 4) {
const float *src = src_row;
uint8_t *dst = dst_row;
for(x = 0; x < width; x += 4) {
uint8_t tmp[4][4][4];
for(j = 0; j < 4; ++j) {
for(i = 0; i < 4; ++i) {
for(k = 0; k < 4; ++k) {
tmp[j][i][k] = float_to_ubyte(src[(y + j)*src_stride/sizeof(*src) + i*4 + k]);
}
}
util_format_dxtn_pack(4, 4, 4, &tmp[0][0][0], UTIL_FORMAT_DXT3_RGBA, dst, dst_stride);
src += 4*4;
dst += 16;
}
src_row += src_stride;
dst_row += 4*dst_stride/sizeof(*dst_row);
util_format_dxtn_pack(4, 4, 4, &tmp[0][0][0], UTIL_FORMAT_DXT3_RGBA, dst, dst_stride);
src += 4*4;
dst += 16;
}
src_row += src_stride;
dst_row += 4*dst_stride/sizeof(*dst_row);
}
}
void
util_format_dxt5_rgba_pack_float(uint8_t *dst_row, unsigned dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned height)
{
if (util_format_dxtn_pack) {
unsigned x, y, i, j, k;
for(y = 0; y < height; y += 4) {
const float *src = src_row;
uint8_t *dst = dst_row;
for(x = 0; x < width; x += 4) {
uint8_t tmp[4][4][4];
for(j = 0; j < 4; ++j) {
for(i = 0; i < 4; ++i) {
for(k = 0; k < 4; ++k) {
tmp[j][i][k] = float_to_ubyte(src[(y + j)*src_stride/sizeof(*src) + i*4 + k]);
}
unsigned x, y, i, j, k;
for(y = 0; y < height; y += 4) {
const float *src = src_row;
uint8_t *dst = dst_row;
for(x = 0; x < width; x += 4) {
uint8_t tmp[4][4][4];
for(j = 0; j < 4; ++j) {
for(i = 0; i < 4; ++i) {
for(k = 0; k < 4; ++k) {
tmp[j][i][k] = float_to_ubyte(src[(y + j)*src_stride/sizeof(*src) + i*4 + k]);
}
}
util_format_dxtn_pack(4, 4, 4, &tmp[0][0][0], UTIL_FORMAT_DXT5_RGBA, dst, dst_stride);
src += 4*4;
dst += 16;
}
src_row += src_stride;
dst_row += 4*dst_stride/sizeof(*dst_row);
util_format_dxtn_pack(4, 4, 4, &tmp[0][0][0], UTIL_FORMAT_DXT5_RGBA, dst, dst_stride);
src += 4*4;
dst += 16;
}
src_row += src_stride;
dst_row += 4*dst_stride/sizeof(*dst_row);
}
}