Merge pull request #182 from ascent12/drm-multi-gpu

DRM Multi-GPU

1 files changed, 54 insertions, 0 deletions

diff --git a/include/backend/drm/renderer.h b/include/backend/drm/renderer.h
new file mode 100644
index 00000000..45127cd0
--- /dev/null
+++ b/include/backend/drm/renderer.h
@@ -0,0 +1,54 @@
+#ifndef BACKEND_DRM_RENDERER_H
+#define BACKEND_DRM_RENDERER_H
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include <EGL/egl.h>
+#include <gbm.h>
+
+#include <wlr/render.h>
+
+struct wlr_drm_backend;
+struct wlr_drm_plane;
+
+struct wlr_drm_renderer {
+	int fd;
+	struct gbm_device *gbm;
+	struct wlr_egl egl;
+
+	struct wlr_renderer *wlr_rend;
+};
+
+struct wlr_drm_surface {
+	struct wlr_drm_renderer *renderer;
+
+	uint32_t width;
+	uint32_t height;
+
+	struct gbm_surface *gbm;
+	EGLSurface egl;
+
+	struct gbm_bo *front;
+	struct gbm_bo *back;
+};
+
+bool wlr_drm_renderer_init(struct wlr_drm_backend *drm,
+	struct wlr_drm_renderer *renderer);
+void wlr_drm_renderer_finish(struct wlr_drm_renderer *renderer);
+
+bool wlr_drm_surface_init(struct wlr_drm_surface *surf,
+	struct wlr_drm_renderer *renderer, uint32_t width, uint32_t height,
+	uint32_t format, uint32_t flags);
+
+bool wlr_drm_plane_surfaces_init(struct wlr_drm_plane *plane, struct wlr_drm_backend *drm,
+		int32_t width, uint32_t height, uint32_t format);
+
+void wlr_drm_surface_finish(struct wlr_drm_surface *surf);
+void wlr_drm_surface_make_current(struct wlr_drm_surface *surf);
+struct gbm_bo *wlr_drm_surface_swap_buffers(struct wlr_drm_surface *surf);
+struct gbm_bo *wlr_drm_surface_get_front(struct wlr_drm_surface *surf);
+void wlr_drm_surface_post(struct wlr_drm_surface *surf);
+struct gbm_bo *wlr_drm_surface_mgpu_copy(struct wlr_drm_surface *dest, struct gbm_bo *src);
+
+#endif