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https://github.com/hyprwm/wlroots-hyprland.git
synced 2024-11-04 20:55:58 +01:00
render/gles2: Lazily create buffer fbo
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parent
67c77fdbdc
commit
0d9cd6932a
3 changed files with 48 additions and 27 deletions
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@ -148,6 +148,8 @@ const struct wlr_gles2_pixel_format *get_gles2_format_from_gl(
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const uint32_t *get_gles2_shm_formats(const struct wlr_gles2_renderer *renderer,
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size_t *len);
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GLuint gles2_buffer_get_fbo(struct wlr_gles2_buffer *buffer);
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struct wlr_gles2_renderer *gles2_get_renderer(
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struct wlr_renderer *wlr_renderer);
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struct wlr_gles2_render_timer *gles2_get_render_timer(
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@ -260,6 +260,11 @@ struct wlr_gles2_render_pass *begin_gles2_buffer_pass(struct wlr_gles2_buffer *b
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}
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}
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GLint fbo = gles2_buffer_get_fbo(buffer);
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if (!fbo) {
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return NULL;
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}
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struct wlr_gles2_render_pass *pass = calloc(1, sizeof(*pass));
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if (pass == NULL) {
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return NULL;
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@ -274,7 +279,7 @@ struct wlr_gles2_render_pass *begin_gles2_buffer_pass(struct wlr_gles2_buffer *b
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WL_OUTPUT_TRANSFORM_FLIPPED_180);
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push_gles2_debug(renderer);
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glBindFramebuffer(GL_FRAMEBUFFER, buffer->fbo);
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glBindFramebuffer(GL_FRAMEBUFFER, fbo);
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glViewport(0, 0, wlr_buffer->width, wlr_buffer->height);
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glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
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@ -93,6 +93,39 @@ static const struct wlr_addon_interface buffer_addon_impl = {
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.destroy = handle_buffer_destroy,
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};
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GLuint gles2_buffer_get_fbo(struct wlr_gles2_buffer *buffer) {
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if (buffer->fbo) {
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return buffer->fbo;
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}
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push_gles2_debug(buffer->renderer);
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if (!buffer->rbo) {
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glGenRenderbuffers(1, &buffer->rbo);
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glBindRenderbuffer(GL_RENDERBUFFER, buffer->rbo);
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buffer->renderer->procs.glEGLImageTargetRenderbufferStorageOES(GL_RENDERBUFFER,
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buffer->image);
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glBindRenderbuffer(GL_RENDERBUFFER, 0);
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}
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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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if (fb_status != GL_FRAMEBUFFER_COMPLETE) {
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wlr_log(WLR_ERROR, "Failed to create FBO");
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glDeleteFramebuffers(1, &buffer->fbo);
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buffer->fbo = 0;
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}
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pop_gles2_debug(buffer->renderer);
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return buffer->fbo;
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}
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static struct wlr_gles2_buffer *get_or_create_buffer(struct wlr_gles2_renderer *renderer,
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struct wlr_buffer *wlr_buffer) {
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struct wlr_addon *addon =
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@ -127,28 +160,6 @@ static struct wlr_gles2_buffer *get_or_create_buffer(struct wlr_gles2_renderer *
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goto error_image;
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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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wlr_addon_init(&buffer->addon, &wlr_buffer->addons, renderer,
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&buffer_addon_impl);
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@ -159,8 +170,6 @@ static struct wlr_gles2_buffer *get_or_create_buffer(struct wlr_gles2_renderer *
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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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@ -189,6 +198,11 @@ static bool gles2_bind_buffer(struct wlr_renderer *wlr_renderer,
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wlr_egl_make_current(renderer->egl);
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GLint fbo = gles2_buffer_get_fbo(renderer->current_buffer);
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if (!fbo) {
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return false;
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}
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struct wlr_gles2_buffer *buffer = get_or_create_buffer(renderer, wlr_buffer);
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if (buffer == NULL) {
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return false;
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@ -198,7 +212,7 @@ static bool gles2_bind_buffer(struct wlr_renderer *wlr_renderer,
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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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glBindFramebuffer(GL_FRAMEBUFFER, fbo);
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pop_gles2_debug(renderer);
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return true;
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@ -872,5 +886,5 @@ bool wlr_gles2_renderer_check_ext(struct wlr_renderer *wlr_renderer,
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GLuint wlr_gles2_renderer_get_current_fbo(struct wlr_renderer *wlr_renderer) {
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struct wlr_gles2_renderer *renderer = gles2_get_renderer(wlr_renderer);
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assert(renderer->current_buffer);
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return renderer->current_buffer->fbo;
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return gles2_buffer_get_fbo(renderer->current_buffer);
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}
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