diff options
| -rw-r--r-- | include/render/gles2.h | 15 | ||||
| -rw-r--r-- | render/gles2/renderer.c | 141 |
2 files changed, 156 insertions, 0 deletions
diff --git a/include/render/gles2.h b/include/render/gles2.h index a64aa77c..2eff0aa5 100644 --- a/include/render/gles2.h +++ b/include/render/gles2.h @@ -72,9 +72,24 @@ struct wlr_gles2_renderer { struct wlr_gles2_tex_shader tex_ext; } shaders; + struct wl_list buffers; // wlr_gles2_buffer.link + + struct wlr_gles2_buffer *current_buffer; uint32_t viewport_width, viewport_height; }; +struct wlr_gles2_buffer { + struct wlr_buffer *buffer; + struct wlr_gles2_renderer *renderer; + struct wl_list link; // wlr_gles2_renderer.buffers + + EGLImageKHR image; + GLuint rbo; + GLuint fbo; + + struct wl_listener buffer_destroy; +}; + struct wlr_gles2_texture { struct wlr_texture wlr_texture; struct wlr_gles2_renderer *renderer; diff --git a/render/gles2/renderer.c b/render/gles2/renderer.c index 9ec87293..2ff29c11 100644 --- a/render/gles2/renderer.c +++ b/render/gles2/renderer.c @@ -36,6 +36,139 @@ static struct wlr_gles2_renderer *gles2_get_renderer_in_context( return renderer; } +static void destroy_buffer(struct wlr_gles2_buffer *buffer) { + wl_list_remove(&buffer->link); + wl_list_remove(&buffer->buffer_destroy.link); + + wlr_egl_make_current(buffer->renderer->egl, EGL_NO_SURFACE, NULL); + + push_gles2_debug(buffer->renderer); + + glDeleteFramebuffers(1, &buffer->fbo); + glDeleteRenderbuffers(1, &buffer->rbo); + + pop_gles2_debug(buffer->renderer); + + wlr_egl_destroy_image(buffer->renderer->egl, buffer->image); + wlr_egl_unset_current(buffer->renderer->egl); + free(buffer); +} + +static struct wlr_gles2_buffer *get_buffer(struct wlr_gles2_renderer *renderer, + struct wlr_buffer *wlr_buffer) { + struct wlr_gles2_buffer *buffer; + wl_list_for_each(buffer, &renderer->buffers, link) { + if (buffer->buffer == wlr_buffer) { + return buffer; + } + } + return NULL; +} + +static void handle_buffer_destroy(struct wl_listener *listener, void *data) { + struct wlr_gles2_buffer *buffer = + wl_container_of(listener, buffer, buffer_destroy); + destroy_buffer(buffer); +} + +static struct wlr_gles2_buffer *create_buffer(struct wlr_gles2_renderer *renderer, + struct wlr_buffer *wlr_buffer) { + struct wlr_gles2_buffer *buffer = calloc(1, sizeof(*buffer)); + if (buffer == NULL) { + wlr_log_errno(WLR_ERROR, "Allocation failed"); + return NULL; + } + buffer->buffer = wlr_buffer; + buffer->renderer = renderer; + + struct wlr_dmabuf_attributes dmabuf = {0}; + if (!wlr_buffer_get_dmabuf(wlr_buffer, &dmabuf)) { + goto error_buffer; + } + + bool external_only; + buffer->image = wlr_egl_create_image_from_dmabuf(renderer->egl, + &dmabuf, &external_only); + if (buffer->image == EGL_NO_IMAGE_KHR) { + goto error_buffer; + } + + push_gles2_debug(renderer); + + glGenRenderbuffers(1, &buffer->rbo); + glBindRenderbuffer(GL_RENDERBUFFER, buffer->rbo); + renderer->procs.glEGLImageTargetRenderbufferStorageOES(GL_RENDERBUFFER, + buffer->image); + glBindRenderbuffer(GL_RENDERBUFFER, 0); + + glGenFramebuffers(1, &buffer->fbo); + glBindFramebuffer(GL_FRAMEBUFFER, buffer->fbo); + glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, + GL_RENDERBUFFER, buffer->rbo); + GLenum fb_status = glCheckFramebufferStatus(GL_FRAMEBUFFER); + glBindFramebuffer(GL_FRAMEBUFFER, 0); + + pop_gles2_debug(renderer); + + if (fb_status != GL_FRAMEBUFFER_COMPLETE) { + wlr_log(WLR_ERROR, "Failed to create FBO"); + goto error_image; + } + + buffer->buffer_destroy.notify = handle_buffer_destroy; + wl_signal_add(&wlr_buffer->events.destroy, &buffer->buffer_destroy); + + wl_list_insert(&renderer->buffers, &buffer->link); + + wlr_log(WLR_DEBUG, "Created GL FBO for buffer %dx%d", + wlr_buffer->width, wlr_buffer->height); + + return buffer; + +error_image: + wlr_egl_destroy_image(renderer->egl, buffer->image); +error_buffer: + free(buffer); + return NULL; +} + +static bool gles2_bind_buffer(struct wlr_renderer *wlr_renderer, + struct wlr_buffer *wlr_buffer) { + struct wlr_gles2_renderer *renderer = + gles2_get_renderer_in_context(wlr_renderer); + + if (renderer->current_buffer != NULL) { + push_gles2_debug(renderer); + glFlush(); + glBindFramebuffer(GL_FRAMEBUFFER, 0); + pop_gles2_debug(renderer); + + wlr_buffer_unlock(renderer->current_buffer->buffer); + renderer->current_buffer = NULL; + } + + if (wlr_buffer == NULL) { + return true; + } + + struct wlr_gles2_buffer *buffer = get_buffer(renderer, wlr_buffer); + if (buffer == NULL) { + buffer = create_buffer(renderer, wlr_buffer); + } + if (buffer == NULL) { + return false; + } + + wlr_buffer_lock(wlr_buffer); + renderer->current_buffer = buffer; + + push_gles2_debug(renderer); + glBindFramebuffer(GL_FRAMEBUFFER, renderer->current_buffer->fbo); + pop_gles2_debug(renderer); + + return true; +} + static void gles2_begin(struct wlr_renderer *wlr_renderer, uint32_t width, uint32_t height) { struct wlr_gles2_renderer *renderer = @@ -477,6 +610,11 @@ static void gles2_destroy(struct wlr_renderer *wlr_renderer) { wlr_egl_make_current(renderer->egl, EGL_NO_SURFACE, NULL); + struct wlr_gles2_buffer *buffer, *buffer_tmp; + wl_list_for_each_safe(buffer, buffer_tmp, &renderer->buffers, link) { + destroy_buffer(buffer); + } + push_gles2_debug(renderer); glDeleteProgram(renderer->shaders.quad.program); glDeleteProgram(renderer->shaders.ellipse.program); @@ -497,6 +635,7 @@ static void gles2_destroy(struct wlr_renderer *wlr_renderer) { static const struct wlr_renderer_impl renderer_impl = { .destroy = gles2_destroy, + .bind_buffer = gles2_bind_buffer, .begin = gles2_begin, .end = gles2_end, .clear = gles2_clear, @@ -668,6 +807,8 @@ struct wlr_renderer *wlr_gles2_renderer_create(struct wlr_egl *egl) { } wlr_renderer_init(&renderer->wlr_renderer, &renderer_impl); + wl_list_init(&renderer->buffers); + renderer->egl = egl; renderer->exts_str = exts_str; |