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Switch to using a projective transformation.

This commit is contained in:
Kristian Høgsberg 2001-01-01 22:23:51 -05:00
parent f75f0e80b7
commit fdec236609
1 changed files with 7 additions and 3 deletions
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10
wayland-system-compositor.c
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@ -345,8 +345,8 @@ background_create(struct wlsc_output *output, const char *filename)
glBindTexture(GL_TEXTURE_2D, background->texture);
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_R, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
if (gdk_pixbuf_get_has_alpha(pixbuf))
format = GL_RGBA;
@ -417,6 +417,7 @@ repaint_output(struct wlsc_output *output)
struct wlsc_compositor *ec = output->ec;
struct wlsc_surface *es;
struct wlsc_input_device *eid;
double s = 3000;
if (!eglMakeCurrent(ec->display, output->surface, output->surface, ec->context)) {
fprintf(stderr, "failed to make context current\n");
@ -426,10 +427,13 @@ repaint_output(struct wlsc_output *output)
glViewport(0, 0, output->width, output->height);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(0, output->width, output->height, 0, 0, 1000.0);
glFrustum(-output->width / s, output->width / s, output->height / s, -output->height / s, 1, s);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glClearColor(0, 0, 0.2, 1);
glTranslatef(-output->width / 2, -output->height/ 2, -s / 2);
if (output->background)
draw_surface(output->background);
else