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less flickering for x11

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git-svn-id: http://svn2.nishi.boats/svn/milsko/trunk@322 b9cfdab3-6d41-4d17-bbe4-086880011989
This commit is contained in:
NishiOwO
2025-10-14 10:34:05 +00:00
parent 1adce781eb
commit 27bf409a88
5 changed files with 27 additions and 11 deletions
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22
examples/glclock.c
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@@ -18,9 +18,9 @@ void tick(MwWidget handle, void* user, void* call) {
time_t t = time(NULL);
int i;
double rad;
int render = 0;
int w = MwGetInteger(opengl, MwNwidth);
int h = MwGetInteger(opengl, MwNheight);
int render = 0;
int w = MwGetInteger(opengl, MwNwidth);
int h = MwGetInteger(opengl, MwNheight);
if(last != t) {
char* wday[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
char* mon[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
@@ -73,25 +73,25 @@ void tick(MwWidget handle, void* user, void* call) {
glVertex2f(cos(rad) * 0.5, sin(rad) * 0.5);
glEnd();
if(render && w > 0 && h > 0){
if(render && w > 0 && h > 0) {
unsigned char* buffer = malloc(w * h * 4);
MwLLPixmap px;
int j;
MwLLPixmap px;
int j;
glReadPixels(0, 0, w, h, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
for(i = 0; i < h / 2; i++){
for(j = 0; j < w * 4; j++){
for(i = 0; i < h / 2; i++) {
for(j = 0; j < w * 4; j++) {
unsigned char b = buffer[i * w * 4 + j];
buffer[i * w * 4 + j] = buffer[(h - i - 1) * w * 4 + j];
buffer[i * w * 4 + j] = buffer[(h - i - 1) * w * 4 + j];
buffer[(h - i - 1) * w * 4 + j] = b;
}
}
px = MwLoadRaw(window, buffer, w, h);
MwVaApply(window,
MwNiconPixmap, px,
NULL);
MwNiconPixmap, px,
NULL);
MwLLDestroyPixmap(px);
free(buffer);