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melonDS
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swap blue and red, thanks to @bparker

This commit is contained in:
radius 2017-03-19 16:30:18 -05:00
parent 4c49003ba4
commit 538dceccc8
1 changed files with 20 additions and 11 deletions
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31
src/libretro.cpp
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@ -13,7 +13,11 @@
#include "GPU.h"
#include "libretro.h"
static uint32_t *frame_buf;
#define VIDEO_WIDTH 256
#define VIDEO_HEIGHT 384
#define VIDEO_PIXELS VIDEO_WIDTH * VIDEO_HEIGHT
static uint8_t *frame_buf;
static struct retro_log_callback logging;
static retro_log_printf_t log_cb;
static bool use_audio_cb;
@ -36,7 +40,7 @@ static retro_environment_t environ_cb;
void retro_init(void)
{
frame_buf = (uint32_t*)malloc(256 * 384 * 4);
frame_buf = (uint8_t*)malloc(VIDEO_PIXELS * sizeof(uint32_t));
const char *dir = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir) && dir)
{
@ -80,10 +84,11 @@ void retro_get_system_av_info(struct retro_system_av_info *info)
float aspect = 0.0f;
float sampling_rate = 30000.0f;
info->geometry.base_width = 256;
info->geometry.base_height = 386;
info->geometry.max_width = 256;
info->geometry.max_height = 384;
info->geometry.base_width = VIDEO_WIDTH;
info->geometry.base_height = VIDEO_HEIGHT;
info->geometry.max_width = VIDEO_WIDTH;
info->geometry.max_height = VIDEO_HEIGHT;
info->geometry.aspect_ratio = aspect;
last_aspect = aspect;
@ -203,15 +208,19 @@ static void audio_set_state(bool enable)
void retro_run(void)
{
unsigned i;
update_input();
NDS::RunFrame();
memcpy(frame_buf, GPU::Framebuffer, 256 * 384 * 4);
for (int i = 0; i < 256*192*2; i++)
for (i = 0; i < VIDEO_PIXELS * sizeof(uint32_t); i += sizeof(uint32_t))
{
frame_buf[i] = ntohl(frame_buf[i]);
uint8_t *pixel = (uint8_t*)GPU::Framebuffer + i;
/* swap red and blue */
frame_buf[i + 0] = pixel[2];
frame_buf[i + 1] = pixel[1];
frame_buf[i + 2] = pixel[0];
frame_buf[i + 3] = pixel[3];
}
video_cb(frame_buf, 256, 384, 0);
video_cb(frame_buf, VIDEO_WIDTH, VIDEO_HEIGHT, 0);
if (!use_audio_cb)
audio_callback();