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Add experimental 16bpp code to dark.c softfilter - WIP

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This commit is contained in:
twinaphex 2014-04-15 18:04:17 +02:00
parent 980eefdd8c
commit 5993a63d77
1 changed files with 24 additions and 9 deletions
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33
gfx/filters/dark.c
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@ -20,7 +20,7 @@
static unsigned impl_input_fmts(void)
{
return SOFTFILTER_FMT_XRGB8888;
return SOFTFILTER_FMT_XRGB8888 | SOFTFILTER_FMT_RGB565;
}
static unsigned impl_output_fmts(unsigned input_fmts)
@ -42,6 +42,7 @@ struct filter_data
{
unsigned threads;
struct thread_data *workers;
unsigned in_fmt;
};
static unsigned impl_threads(void *data)
@ -56,14 +57,12 @@ static void *impl_create(unsigned in_fmt, unsigned out_fmt,
{
(void)simd;
if (in_fmt != SOFTFILTER_FMT_XRGB8888 || out_fmt != SOFTFILTER_FMT_XRGB8888)
return NULL;
struct filter_data *filt = (struct filter_data*)calloc(1, sizeof(*filt));
if (!filt)
return NULL;
filt->workers = calloc(threads, sizeof(struct thread_data));
filt->threads = threads;
filt->in_fmt = in_fmt;
if (!filt->workers)
{
free(filt);
@ -86,11 +85,11 @@ static void impl_destroy(void *data)
free(filt);
}
static void work_cb(void *data, void *thread_data)
static void work_cb_xrgb8888(void *data, void *thread_data)
{
struct thread_data *thr = thread_data;
const uint32_t *input = thr->in_data;
uint32_t *output = thr->out_data;
struct thread_data *thr = (struct thread_data*)thread_data;
const uint32_t *input = (const uint32_t*)thr->in_data;
uint32_t *output = (uint32_t*)thr->out_data;
unsigned width = thr->width;
unsigned height = thr->height;
@ -99,6 +98,19 @@ static void work_cb(void *data, void *thread_data)
output[x] = (input[x] >> 2) & (0x3f * 0x01010101);
}
static void work_cb_rgb565(void *data, void *thread_data)
{
struct thread_data *thr = (struct thread_data*)thread_data;
const uint16_t *input = (const uint16_t*)thr->in_data;
uint16_t *output = (uint16_t*)thr->out_data;
unsigned width = thr->width;
unsigned height = thr->height;
for (unsigned y = 0; y < height; y++, input += thr->in_pitch >> 1, output += thr->out_pitch >> 1)
for (unsigned x = 0; x < width; x++)
output[x] = (input[x] >> 1) & (0x3f * 0x00101010);
}
static void impl_packets(void *data,
struct softfilter_work_packet *packets,
void *output, size_t output_stride,
@ -117,7 +129,10 @@ static void impl_packets(void *data,
thr->width = width;
thr->height = y_end - y_start;
packets[i].work = work_cb;
if (filt->in_fmt == SOFTFILTER_FMT_XRGB8888)
packets[i].work = work_cb_xrgb8888;
else if (filt->in_fmt == SOFTFILTER_FMT_RGB565)
packets[i].work = work_cb_rgb565;
packets[i].thread_data = thr;
}
}