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backend/drm: stop using drm_surface_make_current in drm_surface_blit

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drm_surface_make_current and drm_surface_unset_current set implicit
state and are an unnecessary mid-layer. Prefer to use directly
wlr_renderer_begin_with_buffer, which automatically unsets the back
buffer on wlr_renderer_end.

I'd like to get rid of drm_surface_make_current once we stop using
it for the primary swapchain.
This commit is contained in:
Simon Ser 2021-07-07 23:02:48 +02:00 committed by Simon Zeni
parent d71ed635b9
commit c1b27cc499
1 changed files with 10 additions and 8 deletions
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18
backend/drm/renderer.c
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@ -141,7 +141,8 @@ struct wlr_buffer *drm_surface_blit(struct wlr_drm_surface *surf,
return NULL;
}
if (!drm_surface_make_current(surf, NULL)) {
struct wlr_buffer *dst = wlr_swapchain_acquire(surf->swapchain, NULL);
if (!dst) {
wlr_texture_destroy(tex);
return NULL;
}
@ -150,19 +151,20 @@ struct wlr_buffer *drm_surface_blit(struct wlr_drm_surface *surf,
wlr_matrix_identity(mat);
wlr_matrix_scale(mat, surf->width, surf->height);
wlr_renderer_begin(renderer, surf->width, surf->height);
if (!wlr_renderer_begin_with_buffer(renderer, dst)) {
wlr_buffer_unlock(dst);
wlr_texture_destroy(tex);
return NULL;
}
wlr_renderer_clear(renderer, (float[]){ 0.0, 0.0, 0.0, 0.0 });
wlr_render_texture_with_matrix(renderer, tex, mat, 1.0f);
wlr_renderer_end(renderer);
assert(surf->back_buffer != NULL);
struct wlr_buffer *out = wlr_buffer_lock(surf->back_buffer);
drm_surface_unset_current(surf);
wlr_texture_destroy(tex);
return out;
return dst;
}