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gl1: use built-in pixel conversion routines

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This commit is contained in:
Brad Parker 2019-02-11 19:02:36 -05:00
parent 1caa28dea9
commit 0c790d89dc
1 changed files with 3 additions and 31 deletions
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34
gfx/drivers/gl1.c
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@ -24,6 +24,7 @@
#include <string/stdstring.h>
#include <retro_math.h>
#include <gfx/video_frame.h>
#include <gfx/scaler/pixconv.h>
#ifdef HAVE_CONFIG_H
#include "../../config.h"
@ -620,22 +621,7 @@ static bool gl1_gfx_frame(void *data, const void *frame,
}
}
else if (bits == 16)
{
/* change bit depth from 565 to 8888 */
for (y = 0; y < height; y++)
{
for (x = 0; x < width; x++)
{
unsigned pixel = ((unsigned short*)frame)[(pitch / (bits / 8)) * y + x];
unsigned *new_pixel = (unsigned*)gl1_video_buf + (pot_width * y + x);
unsigned r = (255.0f / 31.0f) * ((pixel & 0xF800) >> 11);
unsigned g = (255.0f / 63.0f) * ((pixel & 0x7E0) >> 5);
unsigned b = (255.0f / 31.0f) * ((pixel & 0x1F) >> 0);
/* copy pixels into top-left portion of larger (power-of-two) buffer */
*new_pixel = 0xFF000000 | (r << 16) | (g << 8) | b;
}
}
}
conv_rgb565_argb8888(gl1_video_buf, frame, width, height, pot_width * sizeof(unsigned), pitch);
frame_to_copy = gl1_video_buf;
}
@ -687,21 +673,7 @@ static bool gl1_gfx_frame(void *data, const void *frame,
if (bits == 16 && gl1_menu_video_buf)
{
/* change bit depth from 4444 to 8888 */
for (y = 0; y < height; y++)
{
for (x = 0; x < width; x++)
{
unsigned pixel = ((unsigned short*)gl1_menu_frame)[(pitch / (bits / 8)) * y + x];
unsigned *new_pixel = (unsigned*)gl1_menu_video_buf + (pot_width * y + x);
unsigned r = (255.0f / 15.0f) * ((pixel & 0xF000) >> 12);
unsigned g = (255.0f / 15.0f) * ((pixel & 0xF00) >> 8);
unsigned b = (255.0f / 15.0f) * ((pixel & 0xF0) >> 4);
unsigned a = (255.0f / 15.0f) * ((pixel & 0xF) >> 0);
/* copy pixels into top-left portion of larger (power-of-two) buffer */
*new_pixel = (a << 24) | (r << 16) | (g << 8) | b;
}
}
conv_rgba4444_argb8888(gl1_menu_video_buf, gl1_menu_frame, width, height, pot_width * sizeof(unsigned), pitch);
frame_to_copy = gl1_menu_video_buf;