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-rw-r--r--src/main.cpp14
1 files changed, 10 insertions, 4 deletions
diff --git a/src/main.cpp b/src/main.cpp
index ecc178a..689eeb6 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -242,16 +242,22 @@ static bool recreate_window_pixmap(Display *dpy, Window window_id,
// glEnable(GL_BLEND);
// glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+ pixmap.texture_width = attr.width;
+ pixmap.texture_height = attr.height;
+
glXBindTexImageEXT(dpy, pixmap.glx_pixmap, GLX_FRONT_EXT, NULL);
- glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_WIDTH,
- &pixmap.texture_width);
- glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_HEIGHT,
- &pixmap.texture_height);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER,
GL_NEAREST); // GL_LINEAR );
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
GL_NEAREST); // GL_LINEAR);//GL_LINEAR_MIPMAP_LINEAR );
//glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+
+ GLint gl_texture_width = 0;
+ glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_WIDTH, &gl_texture_width);
+ if(gl_texture_width == 0) {
+ fprintf(stderr, "Warning: failed to get texture size. You are probably running an unsupported compositor and recording the selected window doesn't work at the moment. A black window will be displayed instead\n");
+ }
+
fprintf(stderr, "texture width: %d, height: %d\n", pixmap.texture_width,
pixmap.texture_height);