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Cleanup scale2x.c

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This commit is contained in:
twinaphex 2014-04-15 21:04:26 +02:00
parent 4e8c3b3bd3
commit bbcac9463b
2 changed files with 14 additions and 9 deletions
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20
gfx/filters/scale2x.c
View File

@ -18,6 +18,8 @@
#include "softfilter.h"
#include <stdlib.h>
#define SCALE2X_SCALE 2
static void scale2x_generic_rgb565(unsigned width, unsigned height,
int first, int last,
const uint16_t *src, unsigned src_stride,
@ -57,8 +59,8 @@ static void scale2x_generic_rgb565(unsigned width, unsigned height,
}
src += src_stride - width;
out0 += dst_stride + dst_stride - (width << 1);
out1 += dst_stride + dst_stride - (width << 1);
out0 += dst_stride + dst_stride - (width * SCALE2X_SCALE);
out1 += dst_stride + dst_stride - (width * SCALE2X_SCALE);
}
}
@ -101,8 +103,8 @@ static void scale2x_generic_xrgb8888(unsigned width, unsigned height,
}
src += src_stride - width;
out0 += dst_stride + dst_stride - (width << 1);
out1 += dst_stride + dst_stride - (width << 1);
out0 += dst_stride + dst_stride - (width * SCALE2X_SCALE);
out1 += dst_stride + dst_stride - (width * SCALE2X_SCALE);
}
}
@ -164,8 +166,8 @@ static void *scale2x_generic_create(unsigned in_fmt, unsigned out_fmt,
static void scale2x_generic_output(void *data, unsigned *out_width, unsigned *out_height,
unsigned width, unsigned height)
{
*out_width = width * 2;
*out_height = height * 2;
*out_width = width * SCALE2X_SCALE;
*out_height = height * SCALE2X_SCALE;
}
static void scale2x_generic_destroy(void *data)
@ -184,7 +186,7 @@ static void work_cb_xrgb8888(void *data, void *thread_data)
unsigned height = thr->height;
scale2x_generic_xrgb8888(width, height,
thr->first, thr->last, input, thr->in_pitch >> 2, output, thr->out_pitch >> 2);
thr->first, thr->last, input, thr->in_pitch / SOFTFILTER_BPP_XRGB8888, output, thr->out_pitch / SOFTFILTER_BPP_XRGB8888);
}
static void work_cb_rgb565(void *data, void *thread_data)
@ -196,7 +198,7 @@ static void work_cb_rgb565(void *data, void *thread_data)
unsigned height = thr->height;
scale2x_generic_rgb565(width, height,
thr->first, thr->last, input, thr->in_pitch >> 1, output, thr->out_pitch >> 1);
thr->first, thr->last, input, thr->in_pitch / SOFTFILTER_BPP_RGB565, output, thr->out_pitch / SOFTFILTER_BPP_RGB565);
}
static void scale2x_generic_packets(void *data,
@ -212,7 +214,7 @@ static void scale2x_generic_packets(void *data,
unsigned y_start = (height * i) / filt->threads;
unsigned y_end = (height * (i + 1)) / filt->threads;
thr->out_data = (uint8_t*)output + y_start * 2 * output_stride;
thr->out_data = (uint8_t*)output + y_start * SCALE2X_SCALE * output_stride;
thr->in_data = (const uint8_t*)input + y_start * input_stride;
thr->out_pitch = output_stride;
thr->in_pitch = input_stride;

3
gfx/filters/softfilter.h
View File

@ -54,6 +54,9 @@ const struct softfilter_implementation *softfilter_get_implementation(softfilter
#define SOFTFILTER_FMT_RGB565 (1 << 0)
#define SOFTFILTER_FMT_XRGB8888 (1 << 1)
#define SOFTFILTER_BPP_RGB565 2
#define SOFTFILTER_BPP_XRGB8888 4
// Softfilter implementation.
// Returns a bitmask of supported input formats.
typedef unsigned (*softfilter_query_input_formats_t)(void);