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Moved the video double-buffering and screenshot-taking to the blit thread, should slightly increase performance.

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This commit is contained in:
OBattler
2021-03-26 05:07:35 +01:00
parent ab8fa1187b
commit 4f30a22c31
1 changed files with 31 additions and 29 deletions
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60
src/video/video.c
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@@ -278,26 +278,6 @@ video_log(const char *fmt, ...)
#endif
static
void blit_thread(void *param)
{
while (1) {
thread_wait_event(blit_data.wake_blit_thread, -1);
thread_reset_event(blit_data.wake_blit_thread);
MTR_BEGIN("video", "blit_thread");
if (blit_func)
blit_func(blit_data.x, blit_data.y,
blit_data.y1, blit_data.y2,
blit_data.w, blit_data.h);
blit_data.busy = 0;
MTR_END("video", "blit_thread");
thread_set_event(blit_data.blit_complete);
}
}
void
video_setblit(void(*blit)(int,int,int,int,int,int))
{
@@ -445,30 +425,52 @@ video_transform_copy(uint32_t *dst, uint32_t *src, int len)
}
void
video_blit_memtoscreen(int x, int y, int y1, int y2, int w, int h)
static
void blit_thread(void *param)
{
int yy;
MTR_BEGIN("video", "video_blit_memtoscreen");
if (y2 > 0) {
for (yy = y1; yy < y2; yy++) {
if (((y + yy) >= 0) && ((y + yy) < buffer32->h)) {
while (1) {
thread_wait_event(blit_data.wake_blit_thread, -1);
thread_reset_event(blit_data.wake_blit_thread);
MTR_BEGIN("video", "blit_thread");
if (blit_data.y2 > 0) {
for (yy = blit_data.y1; yy < blit_data.y2; yy++) {
if (((blit_data.y + yy) >= 0) && ((blit_data.y + yy) < buffer32->h)) {
if (video_grayscale || invert_display)
video_transform_copy(&(render_buffer->dat)[yy * w], &(buffer32->line[y + yy][x]), w);
video_transform_copy(&(render_buffer->dat)[yy * blit_data.w], &(buffer32->line[blit_data.y + yy][blit_data.x]), blit_data.w);
else
memcpy(&(render_buffer->dat)[yy * w], &(buffer32->line[y + yy][x]), w << 2);
memcpy(&(render_buffer->dat)[yy * blit_data.w], &(buffer32->line[blit_data.y + yy][blit_data.x]), blit_data.w << 2);
}
}
}
if (screenshots) {
if (render_buffer != NULL)
video_screenshot(x, y, y1, y2, w, h);
video_screenshot(blit_data.x, blit_data.y, blit_data.y1, blit_data.y2, blit_data.w, blit_data.h);
screenshots--;
video_log("screenshot taken, %i left\n", screenshots);
}
if (blit_func)
blit_func(blit_data.x, blit_data.y,
blit_data.y1, blit_data.y2,
blit_data.w, blit_data.h);
blit_data.busy = 0;
MTR_END("video", "blit_thread");
thread_set_event(blit_data.blit_complete);
}
}
void
video_blit_memtoscreen(int x, int y, int y1, int y2, int w, int h)
{
MTR_BEGIN("video", "video_blit_memtoscreen");
if ((w <= 0) || (h <= 0))
return;