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(GL) Guard against possible segfaults in threaded video mode

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This commit is contained in:
twinaphex 2015-12-03 23:16:37 +01:00
parent beb01b5d57
commit eda3e06898
2 changed files with 16 additions and 17 deletions
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2
gfx/drivers/gl.c
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@ -1195,6 +1195,8 @@ static void gl_update_input_size(gl_t *gl, unsigned width,
if (clear)
{
RARCH_LOG("Gets here.\n");
glPixelStorei(GL_UNPACK_ALIGNMENT,
video_pixel_get_alignment(width * sizeof(uint32_t)));
#if defined(HAVE_PSGL)

31
gfx/video_driver.c
View File

@ -1777,27 +1777,25 @@ static bool video_pixel_frame_scale(const void *data,
size_t pitch)
{
static struct retro_perf_counter video_frame_conv = {0};
video_pixel_scaler_t *scaler = video_driver_scaler_ptr;
rarch_perf_init(&video_frame_conv, "video_frame_conv");
if (!data)
return false;
if (video_driver_get_pixel_format() != RETRO_PIXEL_FORMAT_0RGB1555)
if (!data || video_driver_get_pixel_format() != RETRO_PIXEL_FORMAT_0RGB1555)
return false;
if (data == RETRO_HW_FRAME_BUFFER_VALID)
return false;
retro_perf_start(&video_frame_conv);
scaler->scaler->in_width = width;
scaler->scaler->in_height = height;
scaler->scaler->out_width = width;
scaler->scaler->out_height = height;
scaler->scaler->in_stride = pitch;
scaler->scaler->out_stride = width * sizeof(uint16_t);
video_driver_scaler_ptr->scaler->in_width = width;
video_driver_scaler_ptr->scaler->in_height = height;
video_driver_scaler_ptr->scaler->out_width = width;
video_driver_scaler_ptr->scaler->out_height = height;
video_driver_scaler_ptr->scaler->in_stride = pitch;
video_driver_scaler_ptr->scaler->out_stride = width * sizeof(uint16_t);
scaler_ctx_scale(scaler->scaler, scaler->scaler_out, data);
scaler_ctx_scale(video_driver_scaler_ptr->scaler,
video_driver_scaler_ptr->scaler_out, data);
retro_perf_stop(&video_frame_conv);
@ -1826,12 +1824,11 @@ void video_frame(const void *data, unsigned width,
if (!video_driver_active)
return;
if (video_pixel_frame_scale(data, width, height, pitch))
if (video_driver_scaler_ptr &&
video_pixel_frame_scale(data, width, height, pitch))
{
video_pixel_scaler_t *scaler = video_driver_scaler_ptr;
data = scaler->scaler_out;
pitch = scaler->scaler->out_stride;
data = video_driver_scaler_ptr->scaler_out;
pitch = video_driver_scaler_ptr->scaler->out_stride;
}
video_driver_cached_frame_set(data, width, height, pitch);
@ -1866,7 +1863,7 @@ void video_frame(const void *data, unsigned width,
if (msg)
strlcpy(video_driver_current_msg, msg, sizeof(video_driver_current_msg));
if (!current_video->frame(
if (!current_video || !current_video->frame(
video_driver_data, data, width, height, video_driver_frame_count,
pitch, video_driver_current_msg))
video_driver_active = false;