fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-01-01 05:20:09 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

progs/glsl: handle window resizes in texaaline.c

Browse source
This commit is contained in:
Brian Paul 2009-08-26 11:56:19 -06:00
parent 7ffbe48706
commit 2bcf787de1
1 changed files with 12 additions and 8 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

20
progs/glsl/texaaline.c
View file

@ -103,6 +103,8 @@ static float Sin(float a)
static void
Redisplay(void)
{
float cx = 0.5 * WinWidth, cy = 0.5 * WinHeight;
float len = 0.5 * WinWidth - 20.0;
int i;
glClear(GL_COLOR_BUFFER_BIT);
@ -114,20 +116,20 @@ Redisplay(void)
for (i = 0; i < 360; i+=5) {
float v0[2], v1[2];
v0[0] = 150 + 40 * Cos(i);
v0[1] = 150 + 40 * Sin(i);
v1[0] = 150 + 130 * Cos(i);
v1[1] = 150 + 130 * Sin(i);
v0[0] = cx + 40 * Cos(i);
v0[1] = cy + 40 * Sin(i);
v1[0] = cx + len * Cos(i);
v1[1] = cy + len * Sin(i);
QuadLine(v0, v1, Width);
}
{
float v0[2], v1[2], x;
for (x = 0; x < 1.0; x += 0.2) {
v0[0] = 150 + x;
v0[1] = 150 + x * 40 - 20;
v1[0] = 150 + x + 5.0;
v1[1] = 150 + x * 40 - 20;
v0[0] = cx + x;
v0[1] = cy + x * 40 - 20;
v1[0] = cx + x + 5.0;
v1[1] = cy + x * 40 - 20;
QuadLine(v0, v1, Width);
}
}
@ -142,6 +144,8 @@ Redisplay(void)
static void
Reshape(int width, int height)
{
WinWidth = width;
WinHeight = height;
glViewport(0, 0, width, height);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();