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Diffstat (limited to 'src/window_texture.c')
-rw-r--r--src/window_texture.c57
1 files changed, 38 insertions, 19 deletions
diff --git a/src/window_texture.c b/src/window_texture.c
index a69b191..f1818c9 100644
--- a/src/window_texture.c
+++ b/src/window_texture.c
@@ -27,8 +27,8 @@ int window_texture_init(WindowTexture *window_texture, Display *display, Window
return window_texture_on_resize(window_texture);
}
-static void window_texture_cleanup(WindowTexture *self) {
- if(self->texture_id) {
+static void window_texture_cleanup(WindowTexture *self, int delete_texture) {
+ if(delete_texture && self->texture_id) {
glDeleteTextures(1, &self->texture_id);
self->texture_id = 0;
}
@@ -47,13 +47,18 @@ static void window_texture_cleanup(WindowTexture *self) {
void window_texture_deinit(WindowTexture *self) {
XCompositeUnredirectWindow(self->display, self->window, CompositeRedirectAutomatic);
- window_texture_cleanup(self);
+ window_texture_cleanup(self, 1);
}
int window_texture_on_resize(WindowTexture *self) {
- window_texture_cleanup(self);
+ window_texture_cleanup(self, 0);
int result = 0;
+ GLXFBConfig *configs = NULL;
+ Pixmap pixmap = None;
+ GLXPixmap glx_pixmap = None;
+ GLuint texture_id = 0;
+ int glx_pixmap_bound = 0;
const int pixmap_config[] = {
GLX_BIND_TO_TEXTURE_RGBA_EXT, True,
@@ -79,15 +84,15 @@ int window_texture_on_resize(WindowTexture *self) {
return 1;
}
+ GLXFBConfig config;
int c;
- GLXFBConfig *configs = glXChooseFBConfig(self->display, 0, pixmap_config, &c);
+ configs = glXChooseFBConfig(self->display, 0, pixmap_config, &c);
if(!configs) {
fprintf(stderr, "Failed to choose fb config\n");
return 1;
}
int found = 0;
- GLXFBConfig config;
for (int i = 0; i < c; i++) {
config = configs[i];
XVisualInfo *visual = glXGetVisualFromFBConfig(self->display, config);
@@ -109,33 +114,36 @@ int window_texture_on_resize(WindowTexture *self) {
goto cleanup;
}
- self->pixmap = XCompositeNameWindowPixmap(self->display, self->window);
- if(!self->pixmap) {
+ pixmap = XCompositeNameWindowPixmap(self->display, self->window);
+ if(!pixmap) {
result = 2;
goto cleanup;
}
- self->glx_pixmap = glXCreatePixmap(self->display, config, self->pixmap, pixmap_attribs);
- if(!self->glx_pixmap) {
+ glx_pixmap = glXCreatePixmap(self->display, config, pixmap, pixmap_attribs);
+ if(!glx_pixmap) {
result = 3;
goto cleanup;
}
- glGenTextures(1, &self->texture_id);
- glBindTexture(GL_TEXTURE_2D, self->texture_id);
if(self->texture_id == 0) {
- result = 4;
- goto cleanup;
+ glGenTextures(1, &texture_id);
+ if(texture_id == 0) {
+ result = 4;
+ goto cleanup;
+ }
+ glBindTexture(GL_TEXTURE_2D, texture_id);
+ } else {
+ glBindTexture(GL_TEXTURE_2D, self->texture_id);
}
- glXBindTexImageEXT(self->display, self->glx_pixmap, GLX_FRONT_EXT, NULL);
- /*glGenerateMipmap(GL_TEXTURE_2D)*/
+ glXBindTexImageEXT(self->display, glx_pixmap, GLX_FRONT_EXT, NULL);
+ glx_pixmap_bound = 1;
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE );
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE );
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
- glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);//GL_LINEAR_MIPMAP_LINEAR );
- glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+ glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR );
float fLargest = 0.0f;
glGetFloatv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &fLargest);
@@ -143,8 +151,19 @@ int window_texture_on_resize(WindowTexture *self) {
glBindTexture(GL_TEXTURE_2D, 0);
- cleanup:
XFree(configs);
+ self->pixmap = pixmap;
+ self->glx_pixmap = glx_pixmap;
+ if(texture_id != 0)
+ self->texture_id = texture_id;
+ return 0;
+
+ cleanup:
+ if(texture_id != 0) glDeleteTextures(1, &texture_id);
+ if(glx_pixmap) glXDestroyPixmap(self->display, self->glx_pixmap);
+ if(glx_pixmap_bound) glXReleaseTexImageEXT(self->display, self->glx_pixmap, GLX_FRONT_EXT);
+ if(pixmap) XFreePixmap(self->display, self->pixmap);
+ if(configs) XFree(configs);
return result;
}