mirror/RetroArch
1
0
Fork 0
mirror of https://github.com/libretro/RetroArch synced 2025-02-25 21:41:03 +00:00
Code Issues Packages Projects Releases Wiki Activity

Endian fixes

Browse Source
This commit is contained in:
Themaister 2011-03-13 15:49:00 +01:00
parent 8053aca3c3
commit 50d78fb804
1 changed files with 38 additions and 27 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

65
gfx/xvideo.c
View File

@ -152,7 +152,7 @@ static void set_fullscreen(xv_t *xv)
static void render16_yuy2(xv_t *xv, const void *input_, unsigned width, unsigned height, unsigned pitch)
{
const uint16_t *input = input_;
uint16_t *output = (uint16_t*)xv->image->data;
uint8_t *output = (uint8_t*)xv->image->data;
for (unsigned y = 0; y < height; y++)
{
@ -161,23 +161,26 @@ static void render16_yuy2(xv_t *xv, const void *input_, unsigned width, unsigned
uint16_t p0 = *input++;
uint16_t p1 = *input++;
uint8_t u = (xv->utable[p0] + xv->utable[p1]) >> 1;
uint8_t v = (xv->vtable[p0] + xv->vtable[p1]) >> 1;
uint8_t y0 = xv->ytable[p0];
uint8_t y1 = xv->ytable[p1];
uint8_t u = (uint8_t)(((unsigned)xv->utable[p0] + (unsigned)xv->utable[p1]) >> 1);
uint8_t v = (uint8_t)(((unsigned)xv->vtable[p0] + (unsigned)xv->vtable[p1]) >> 1);
// TODO: Will this only work on little-endian?
*output++ = (u << 8) | xv->ytable[p0];
*output++ = (v << 8) | xv->ytable[p1];
*output++ = y0;
*output++ = u;
*output++ = y1;
*output++ = v;
}
input += (pitch >> 1) - width;
output += xv->width - width;
output += (xv->width - width) << 1;
}
}
static void render16_uyvy(xv_t *xv, const void *input_, unsigned width, unsigned height, unsigned pitch)
{
const uint16_t *input = input_;
uint16_t *output = (uint16_t*)xv->image->data;
uint8_t *output = (uint8_t*)xv->image->data;
for (unsigned y = 0; y < height; y++)
{
@ -186,23 +189,26 @@ static void render16_uyvy(xv_t *xv, const void *input_, unsigned width, unsigned
uint16_t p0 = *input++;
uint16_t p1 = *input++;
uint8_t u = (xv->utable[p0] + xv->utable[p1]) >> 1;
uint8_t v = (xv->vtable[p0] + xv->vtable[p1]) >> 1;
uint8_t y0 = xv->ytable[p0];
uint8_t y1 = xv->ytable[p1];
uint8_t u = (uint8_t)(((unsigned)xv->utable[p0] + (unsigned)xv->utable[p1]) >> 1);
uint8_t v = (uint8_t)(((unsigned)xv->vtable[p0] + (unsigned)xv->vtable[p1]) >> 1);
// TODO: Will this only work on little-endian?
*output++ = (xv->ytable[p0] << 8) | u;
*output++ = (xv->ytable[p1] << 8) | v;
*output++ = u;
*output++ = y0;
*output++ = v;
*output++ = y1;
}
input += (pitch >> 1) - width;
output += xv->width - width;
output += (xv->width - width) << 1;
}
}
static void render32_yuy2(xv_t *xv, const void *input_, unsigned width, unsigned height, unsigned pitch)
{
const uint32_t *input = input_;
uint16_t *output = (uint16_t*)xv->image->data;
uint8_t *output = (uint8_t*)xv->image->data;
for (unsigned y = 0; y < height; y++)
{
@ -213,16 +219,19 @@ static void render32_yuy2(xv_t *xv, const void *input_, unsigned width, unsigned
p0 = ((p0 >> 9) & 0x7c00) | ((p0 >> 6) & 0x03e0) | ((p0 >> 3) & 0x1f); // RGBA -> RGB15
p1 = ((p1 >> 9) & 0x7c00) | ((p1 >> 6) & 0x03e0) | ((p1 >> 3) & 0x1f);
uint8_t u = (xv->utable[p0] + xv->utable[p1]) >> 1;
uint8_t v = (xv->vtable[p0] + xv->vtable[p1]) >> 1;
uint8_t y0 = xv->ytable[p0];
uint8_t y1 = xv->ytable[p1];
uint8_t u = (uint8_t)(((unsigned)xv->utable[p0] + (unsigned)xv->utable[p1]) >> 1);
uint8_t v = (uint8_t)(((unsigned)xv->vtable[p0] + (unsigned)xv->vtable[p1]) >> 1);
// TODO: Will this only work on little-endian?
*output++ = (u << 8) | xv->ytable[p0];
*output++ = (v << 8) | xv->ytable[p1];
*output++ = y0;
*output++ = u;
*output++ = y1;
*output++ = v;
}
input += (pitch >> 2) - width;
output += xv->width - width;
output += (xv->width - width) << 1;
}
}
@ -240,12 +249,15 @@ static void render32_uyvy(xv_t *xv, const void *input_, unsigned width, unsigned
p0 = ((p0 >> 9) & 0x7c00) | ((p0 >> 6) & 0x03e0) | ((p0 >> 3) & 0x1f);
p1 = ((p1 >> 9) & 0x7c00) | ((p1 >> 6) & 0x03e0) | ((p1 >> 3) & 0x1f);
uint8_t u = (xv->utable[p0] + xv->utable[p1]) >> 1;
uint8_t v = (xv->vtable[p0] + xv->vtable[p1]) >> 1;
uint8_t y0 = xv->ytable[p0];
uint8_t y1 = xv->ytable[p1];
uint8_t u = (uint8_t)(((unsigned)xv->utable[p0] + (unsigned)xv->utable[p1]) >> 1);
uint8_t v = (uint8_t)(((unsigned)xv->vtable[p0] + (unsigned)xv->vtable[p1]) >> 1);
// TODO: Will this only work on little-endian?
*output++ = (xv->ytable[p0] << 8) | u;
*output++ = (xv->ytable[p1] << 8) | v;
*output++ = u;
*output++ = y0;
*output++ = v;
*output++ = y1;
}
input += (pitch >> 2) - width;
@ -254,7 +266,6 @@ static void render32_uyvy(xv_t *xv, const void *input_, unsigned width, unsigned
}
static void* xv_init(video_info_t *video, const input_driver_t **input, void **input_data)
{
xv_t *xv = calloc(1, sizeof(*xv));