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https://github.com/hyprwm/wlroots-hyprland.git
synced 2024-11-12 16:35:58 +01:00
render/gles2: implement wlr_renderer_bind_buffer
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c88c54fb38
commit
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2 changed files with 156 additions and 0 deletions
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@ -72,9 +72,24 @@ struct wlr_gles2_renderer {
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struct wlr_gles2_tex_shader tex_ext;
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} shaders;
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struct wl_list buffers; // wlr_gles2_buffer.link
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struct wlr_gles2_buffer *current_buffer;
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uint32_t viewport_width, viewport_height;
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};
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struct wlr_gles2_buffer {
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struct wlr_buffer *buffer;
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struct wlr_gles2_renderer *renderer;
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struct wl_list link; // wlr_gles2_renderer.buffers
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EGLImageKHR image;
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GLuint rbo;
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GLuint fbo;
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struct wl_listener buffer_destroy;
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};
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struct wlr_gles2_texture {
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struct wlr_texture wlr_texture;
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struct wlr_gles2_renderer *renderer;
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@ -36,6 +36,139 @@ static struct wlr_gles2_renderer *gles2_get_renderer_in_context(
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return renderer;
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}
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static void destroy_buffer(struct wlr_gles2_buffer *buffer) {
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wl_list_remove(&buffer->link);
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wl_list_remove(&buffer->buffer_destroy.link);
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wlr_egl_make_current(buffer->renderer->egl, EGL_NO_SURFACE, NULL);
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push_gles2_debug(buffer->renderer);
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glDeleteFramebuffers(1, &buffer->fbo);
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glDeleteRenderbuffers(1, &buffer->rbo);
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pop_gles2_debug(buffer->renderer);
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wlr_egl_destroy_image(buffer->renderer->egl, buffer->image);
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wlr_egl_unset_current(buffer->renderer->egl);
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free(buffer);
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}
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static struct wlr_gles2_buffer *get_buffer(struct wlr_gles2_renderer *renderer,
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struct wlr_buffer *wlr_buffer) {
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struct wlr_gles2_buffer *buffer;
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wl_list_for_each(buffer, &renderer->buffers, link) {
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if (buffer->buffer == wlr_buffer) {
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return buffer;
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}
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}
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return NULL;
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}
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static void handle_buffer_destroy(struct wl_listener *listener, void *data) {
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struct wlr_gles2_buffer *buffer =
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wl_container_of(listener, buffer, buffer_destroy);
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destroy_buffer(buffer);
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}
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static struct wlr_gles2_buffer *create_buffer(struct wlr_gles2_renderer *renderer,
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struct wlr_buffer *wlr_buffer) {
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struct wlr_gles2_buffer *buffer = calloc(1, sizeof(*buffer));
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if (buffer == NULL) {
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wlr_log_errno(WLR_ERROR, "Allocation failed");
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return NULL;
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}
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buffer->buffer = wlr_buffer;
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buffer->renderer = renderer;
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struct wlr_dmabuf_attributes dmabuf = {0};
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if (!wlr_buffer_get_dmabuf(wlr_buffer, &dmabuf)) {
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goto error_buffer;
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}
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bool external_only;
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buffer->image = wlr_egl_create_image_from_dmabuf(renderer->egl,
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&dmabuf, &external_only);
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if (buffer->image == EGL_NO_IMAGE_KHR) {
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goto error_buffer;
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}
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push_gles2_debug(renderer);
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glGenRenderbuffers(1, &buffer->rbo);
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glBindRenderbuffer(GL_RENDERBUFFER, buffer->rbo);
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renderer->procs.glEGLImageTargetRenderbufferStorageOES(GL_RENDERBUFFER,
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buffer->image);
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glBindRenderbuffer(GL_RENDERBUFFER, 0);
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glGenFramebuffers(1, &buffer->fbo);
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glBindFramebuffer(GL_FRAMEBUFFER, buffer->fbo);
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glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
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GL_RENDERBUFFER, buffer->rbo);
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GLenum fb_status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
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glBindFramebuffer(GL_FRAMEBUFFER, 0);
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pop_gles2_debug(renderer);
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if (fb_status != GL_FRAMEBUFFER_COMPLETE) {
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wlr_log(WLR_ERROR, "Failed to create FBO");
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goto error_image;
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}
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buffer->buffer_destroy.notify = handle_buffer_destroy;
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wl_signal_add(&wlr_buffer->events.destroy, &buffer->buffer_destroy);
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wl_list_insert(&renderer->buffers, &buffer->link);
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wlr_log(WLR_DEBUG, "Created GL FBO for buffer %dx%d",
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wlr_buffer->width, wlr_buffer->height);
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return buffer;
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error_image:
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wlr_egl_destroy_image(renderer->egl, buffer->image);
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error_buffer:
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free(buffer);
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return NULL;
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}
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static bool gles2_bind_buffer(struct wlr_renderer *wlr_renderer,
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struct wlr_buffer *wlr_buffer) {
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struct wlr_gles2_renderer *renderer =
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gles2_get_renderer_in_context(wlr_renderer);
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if (renderer->current_buffer != NULL) {
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push_gles2_debug(renderer);
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glFlush();
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glBindFramebuffer(GL_FRAMEBUFFER, 0);
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pop_gles2_debug(renderer);
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wlr_buffer_unlock(renderer->current_buffer->buffer);
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renderer->current_buffer = NULL;
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}
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if (wlr_buffer == NULL) {
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return true;
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}
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struct wlr_gles2_buffer *buffer = get_buffer(renderer, wlr_buffer);
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if (buffer == NULL) {
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buffer = create_buffer(renderer, wlr_buffer);
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}
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if (buffer == NULL) {
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return false;
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}
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wlr_buffer_lock(wlr_buffer);
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renderer->current_buffer = buffer;
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push_gles2_debug(renderer);
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glBindFramebuffer(GL_FRAMEBUFFER, renderer->current_buffer->fbo);
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pop_gles2_debug(renderer);
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return true;
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}
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static void gles2_begin(struct wlr_renderer *wlr_renderer, uint32_t width,
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uint32_t height) {
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struct wlr_gles2_renderer *renderer =
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@ -477,6 +610,11 @@ static void gles2_destroy(struct wlr_renderer *wlr_renderer) {
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wlr_egl_make_current(renderer->egl, EGL_NO_SURFACE, NULL);
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struct wlr_gles2_buffer *buffer, *buffer_tmp;
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wl_list_for_each_safe(buffer, buffer_tmp, &renderer->buffers, link) {
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destroy_buffer(buffer);
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}
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push_gles2_debug(renderer);
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glDeleteProgram(renderer->shaders.quad.program);
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glDeleteProgram(renderer->shaders.ellipse.program);
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@ -497,6 +635,7 @@ static void gles2_destroy(struct wlr_renderer *wlr_renderer) {
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static const struct wlr_renderer_impl renderer_impl = {
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.destroy = gles2_destroy,
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.bind_buffer = gles2_bind_buffer,
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.begin = gles2_begin,
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.end = gles2_end,
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.clear = gles2_clear,
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@ -668,6 +807,8 @@ struct wlr_renderer *wlr_gles2_renderer_create(struct wlr_egl *egl) {
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}
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wlr_renderer_init(&renderer->wlr_renderer, &renderer_impl);
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wl_list_init(&renderer->buffers);
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renderer->egl = egl;
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renderer->exts_str = exts_str;
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