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render/gles2: save/restore context when creating/submitting a render pass

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This is useful for e.g. lazily blitting a texture for readback
purposes while rendering.
This commit is contained in:
Simon Ser 2023-11-30 17:47:11 +01:00
parent 1208ba6c28
commit e8b187cc92
4 changed files with 15 additions and 3 deletions
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5
render/gles2/renderer.c
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@ -433,6 +433,9 @@ static void gles2_destroy(struct wlr_renderer *wlr_renderer) {
static struct wlr_render_pass *gles2_begin_buffer_pass(struct wlr_renderer *wlr_renderer,
struct wlr_buffer *wlr_buffer, const struct wlr_buffer_pass_options *options) {
struct wlr_gles2_renderer *renderer = gles2_get_renderer(wlr_renderer);
struct wlr_egl_context prev_ctx = {0};
wlr_egl_save_context(&prev_ctx);
if (!wlr_egl_make_current(renderer->egl)) {
return NULL;
}
@ -448,7 +451,7 @@ static struct wlr_render_pass *gles2_begin_buffer_pass(struct wlr_renderer *wlr_
return NULL;
}
struct wlr_gles2_render_pass *pass = begin_gles2_buffer_pass(buffer, timer);
struct wlr_gles2_render_pass *pass = begin_gles2_buffer_pass(buffer, &prev_ctx, timer);
if (!pass) {
return NULL;
}