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Diffstat (limited to 'src/window_texture.c')
-rw-r--r--src/window_texture.c145
1 files changed, 56 insertions, 89 deletions
diff --git a/src/window_texture.c b/src/window_texture.c
index 1c152ae..cea77d7 100644
--- a/src/window_texture.c
+++ b/src/window_texture.c
@@ -13,14 +13,16 @@ static int x11_supports_composite_named_window_pixmap(Display *display) {
return XCompositeQueryVersion(display, &major_version, &minor_version) && (major_version > 0 || minor_version >= 2);
}
-int window_texture_init(WindowTexture *window_texture, Display *display, Window window, gsr_gl *gl) {
+int window_texture_init(WindowTexture *window_texture, Display *display, Window window, gsr_egl *egl) {
window_texture->display = display;
window_texture->window = window;
window_texture->pixmap = None;
- window_texture->glx_pixmap = None;
window_texture->texture_id = 0;
+ window_texture->target_texture_id = 0;
+ window_texture->texture_width = 0;
+ window_texture->texture_height = 0;
window_texture->redirected = 0;
- window_texture->gl = gl;
+ window_texture->egl = egl;
if(!x11_supports_composite_named_window_pixmap(display))
return 1;
@@ -32,14 +34,13 @@ int window_texture_init(WindowTexture *window_texture, Display *display, Window
static void window_texture_cleanup(WindowTexture *self, int delete_texture) {
if(delete_texture && self->texture_id) {
- self->gl->glDeleteTextures(1, &self->texture_id);
+ self->egl->glDeleteTextures(1, &self->texture_id);
self->texture_id = 0;
}
- if(self->glx_pixmap) {
- self->gl->glXDestroyPixmap(self->display, self->glx_pixmap);
- self->gl->glXReleaseTexImageEXT(self->display, self->glx_pixmap, GLX_FRONT_EXT);
- self->glx_pixmap = None;
+ if(delete_texture && self->target_texture_id) {
+ self->egl->glDeleteTextures(1, &self->target_texture_id);
+ self->target_texture_id = 0;
}
if(self->pixmap) {
@@ -56,71 +57,23 @@ void window_texture_deinit(WindowTexture *self) {
window_texture_cleanup(self, 1);
}
+
+#define EGL_TRUE 1
+#define EGL_IMAGE_PRESERVED_KHR 0x30D2
+#define EGL_NATIVE_PIXMAP_KHR 0x30B0
+
int window_texture_on_resize(WindowTexture *self) {
window_texture_cleanup(self, 0);
int result = 0;
- GLXFBConfig *configs = NULL;
Pixmap pixmap = None;
- GLXPixmap glx_pixmap = None;
unsigned int texture_id = 0;
- int glx_pixmap_bound = 0;
-
- const int pixmap_config[] = {
- GLX_BIND_TO_TEXTURE_RGB_EXT, True,
- GLX_DRAWABLE_TYPE, GLX_PIXMAP_BIT | GLX_WINDOW_BIT,
- GLX_BIND_TO_TEXTURE_TARGETS_EXT, GLX_TEXTURE_2D_BIT_EXT,
- /*GLX_BIND_TO_MIPMAP_TEXTURE_EXT, True,*/
- GLX_BUFFER_SIZE, 24,
- GLX_RED_SIZE, 8,
- GLX_GREEN_SIZE, 8,
- GLX_BLUE_SIZE, 8,
- GLX_ALPHA_SIZE, 0,
- None
- };
-
- const int pixmap_attribs[] = {
- GLX_TEXTURE_TARGET_EXT, GLX_TEXTURE_2D_EXT,
- GLX_TEXTURE_FORMAT_EXT, GLX_TEXTURE_FORMAT_RGB_EXT,
- /*GLX_MIPMAP_TEXTURE_EXT, True,*/
- None
- };
-
- XWindowAttributes attr;
- if (!XGetWindowAttributes(self->display, self->window, &attr)) {
- fprintf(stderr, "Failed to get window attributes\n");
- return 1;
- }
-
- GLXFBConfig config;
- int c;
- configs = self->gl->glXChooseFBConfig(self->display, 0, pixmap_config, &c);
- if(!configs) {
- fprintf(stderr, "Failed to choose fb config\n");
- return 1;
- }
-
- int found = 0;
- for (int i = 0; i < c; i++) {
- config = configs[i];
- XVisualInfo *visual = self->gl->glXGetVisualFromFBConfig(self->display, config);
- if (!visual)
- continue;
-
- if (attr.depth != visual->depth) {
- XFree(visual);
- continue;
- }
- XFree(visual);
- found = 1;
- break;
- }
+ EGLImage image = NULL;
- if(!found) {
- fprintf(stderr, "No matching fb config found\n");
- result = 1;
- goto cleanup;
- }
+ const intptr_t pixmap_attrs[] = {
+ EGL_IMAGE_PRESERVED_KHR, EGL_TRUE,
+ EGL_NONE,
+ };
pixmap = XCompositeNameWindowPixmap(self->display, self->window);
if(!pixmap) {
@@ -128,46 +81,60 @@ int window_texture_on_resize(WindowTexture *self) {
goto cleanup;
}
- glx_pixmap = self->gl->glXCreatePixmap(self->display, config, pixmap, pixmap_attribs);
- if(!glx_pixmap) {
- result = 3;
- goto cleanup;
- }
-
if(self->texture_id == 0) {
- self->gl->glGenTextures(1, &texture_id);
+ self->egl->glGenTextures(1, &texture_id);
if(texture_id == 0) {
result = 4;
goto cleanup;
}
- self->gl->glBindTexture(GL_TEXTURE_2D, texture_id);
+ self->egl->glBindTexture(GL_TEXTURE_2D, texture_id);
} else {
- self->gl->glBindTexture(GL_TEXTURE_2D, self->texture_id);
+ self->egl->glBindTexture(GL_TEXTURE_2D, self->texture_id);
+ texture_id = self->texture_id;
+ }
+
+ image = self->egl->eglCreateImage(self->egl->egl_display, NULL, EGL_NATIVE_PIXMAP_KHR, (EGLClientBuffer)pixmap, pixmap_attrs);
+ if(!image) {
+ fprintf(stderr, "eglCreateImage failed\n");
+ return -1;
}
+ fprintf(stderr, "gl error: %d\n", self->egl->glGetError());
- self->gl->glXBindTexImageEXT(self->display, glx_pixmap, GLX_FRONT_EXT, NULL);
- glx_pixmap_bound = 1;
+ fprintf(stderr, "image: %p\n", image);
+ self->egl->glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, image);
+ if(self->egl->glGetError() != 0) {
+ fprintf(stderr, "glEGLImageTargetTexture2DOES failed\n");
+ }
- self->gl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
- self->gl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
- self->gl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
- self->gl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+ self->egl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+ self->egl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+ self->egl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+ self->egl->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
- self->gl->glBindTexture(GL_TEXTURE_2D, 0);
+ self->egl->glBindTexture(GL_TEXTURE_2D, 0);
- XFree(configs);
self->pixmap = pixmap;
- self->glx_pixmap = glx_pixmap;
- if(texture_id != 0)
+ if(texture_id != 0) {
self->texture_id = texture_id;
+
+ self->egl->glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_WIDTH, &self->texture_width);
+ self->egl->glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_HEIGHT, &self->texture_height);
+
+ fprintf(stderr, "texture width: %d, height: %d\n", self->texture_width, self->texture_height);
+
+ self->egl->glGenTextures(1, &self->target_texture_id);
+ self->egl->glBindTexture(GL_TEXTURE_2D, self->target_texture_id);
+ self->egl->glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, self->texture_width, self->texture_height, 0, GL_RGB, GL_UNSIGNED_BYTE, NULL);
+ fprintf(stderr, "gl error: %d\n", self->egl->glGetError());
+ self->egl->glBindTexture(GL_TEXTURE_2D, 0);
+ }
+
+ // TODO: destroyImage(image)
return 0;
cleanup:
- if(texture_id != 0) self->gl->glDeleteTextures(1, &texture_id);
- if(glx_pixmap) self->gl->glXDestroyPixmap(self->display, glx_pixmap);
- if(glx_pixmap_bound) self->gl->glXReleaseTexImageEXT(self->display, glx_pixmap, GLX_FRONT_EXT);
+ if(texture_id != 0) self->egl->glDeleteTextures(1, &texture_id);
if(pixmap) XFreePixmap(self->display, pixmap);
- if(configs) XFree(configs);
return result;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-08 23:32:15 +0000