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Create video_frame_convert_rgba_to_bgr

This commit is contained in:
twinaphex 2016-05-04 18:44:39 +02:00
parent 55bc1ccd78
commit 9465a00d4b
2 changed files with 26 additions and 21 deletions
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30
gfx/drivers/gl.c
View File

@ -3142,16 +3142,13 @@ static bool gl_read_viewport(void *data, uint8_t *buffer)
if (ptr) if (ptr)
{ {
unsigned x, y; unsigned y;
for (y = 0; y < gl->vp.height; y++) for (y = 0; y < gl->vp.height; y++)
{ {
for (x = 0; x < gl->vp.width; x++, buffer += 3, ptr += 4) video_frame_convert_rgba_to_bgr(
{ (const void*)ptr,
buffer[0] = ptr[2]; /* RGBA -> BGR. */ buffer,
buffer[1] = ptr[1]; gl->vp.width);
buffer[2] = ptr[0];
}
} }
} }
else else
@ -3176,10 +3173,6 @@ static bool gl_read_viewport(void *data, uint8_t *buffer)
as we don't really care about performance in this case. */ as we don't really care about performance in this case. */
#endif #endif
{ {
unsigned i;
uint8_t *dst = NULL;
const uint8_t *src = NULL;
/* GLES2 only guarantees GL_RGBA/GL_UNSIGNED_BYTE /* GLES2 only guarantees GL_RGBA/GL_UNSIGNED_BYTE
* readbacks so do just that. * readbacks so do just that.
* GLES2 also doesn't support reading back data * GLES2 also doesn't support reading back data
@ -3201,15 +3194,10 @@ static bool gl_read_viewport(void *data, uint8_t *buffer)
video_driver_ctl(RARCH_DISPLAY_CTL_CACHED_FRAME_RENDER, NULL); video_driver_ctl(RARCH_DISPLAY_CTL_CACHED_FRAME_RENDER, NULL);
dst = buffer; video_frame_convert_rgba_to_bgr(
src = (const uint8_t*)gl->readback_buffer_screenshot; (const void*)gl->readback_buffer_screenshot,
buffer,
for (i = 0; i < num_pixels; i++, dst += 3, src += 4) num_pixels);
{
dst[0] = src[2]; /* RGBA -> BGR. */
dst[1] = src[1];
dst[2] = src[0];
}
free(gl->readback_buffer_screenshot); free(gl->readback_buffer_screenshot);
gl->readback_buffer_screenshot = NULL; gl->readback_buffer_screenshot = NULL;

17
gfx/video_frame.h
View File

@ -161,4 +161,21 @@ static INLINE void video_frame_convert_to_bgr24(
scaler_ctx_scale(scaler, output, input); scaler_ctx_scale(scaler, output, input);
} }
static INLINE void video_frame_convert_rgba_to_bgr(
const void *src_data,
void *dst_data,
unsigned width)
{
unsigned x;
uint8_t *dst = (uint8_t*)dst_data;
const uint8_t *src = (const uint8_t*)src_data;
for (x = 0; x < width; x++, dst += 3, src += 4)
{
dst[0] = src[2];
dst[1] = src[1];
dst[2] = src[0];
}
}
#endif #endif