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Tile root pixmap in the glx backend

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In X, background pixmap is tiled (meaning they are repeated to filled
the window) by default. So, in the glx backend, we mimic this behavior
by binding the background pixmap of the root window (aka, the wallpaper)
to texture that repeats.

Fixes #107

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
This commit is contained in:
Yuxuan Shui
2019-02-08 21:48:39 +00:00
parent 5fffb6f3f6
commit edb8b38eef
4 changed files with 21 additions and 15 deletions
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11
src/opengl.c
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@ -496,7 +496,7 @@ glx_load_prog_main(session_t *ps,
*/
bool
glx_bind_pixmap(session_t *ps, glx_texture_t **pptex, xcb_pixmap_t pixmap,
unsigned width, unsigned height, const struct glx_fbconfig_info *fbcfg) {
unsigned width, unsigned height, bool repeat, const struct glx_fbconfig_info *fbcfg) {
if (ps->o.backend != BKEND_GLX && ps->o.backend != BKEND_XR_GLX_HYBRID)
return true;
@ -604,8 +604,13 @@ glx_bind_pixmap(session_t *ps, glx_texture_t **pptex, xcb_pixmap_t pixmap,
glTexParameteri(ptex->target, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(ptex->target, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(ptex->target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(ptex->target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
if (repeat) {
glTexParameteri(ptex->target, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(ptex->target, GL_TEXTURE_WRAP_T, GL_REPEAT);
} else {
glTexParameteri(ptex->target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(ptex->target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
}
glBindTexture(ptex->target, 0);