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1 files changed, 115 insertions, 0 deletions

diff --git a/gralloc_drm_priv.h b/gralloc_drm_priv.h
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+++ b/gralloc_drm_priv.h
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+/*
+ * Copyright (C) 2010-2011 Chia-I Wu <olvaffe@gmail.com>
+ * Copyright (C) 2010-2011 LunarG Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef _GRALLOC_DRM_PRIV_H_
+#define _GRALLOC_DRM_PRIV_H_
+
+#include <xf86drm.h>
+#include <xf86drmMode.h>
+
+#include "gralloc_drm_handle.h"
+
+/* how a bo is posted */
+enum drm_swap_mode {
+	DRM_SWAP_NOOP,
+	DRM_SWAP_FLIP,
+	DRM_SWAP_COPY,
+	DRM_SWAP_SETCRTC,
+};
+
+struct gralloc_drm_t {
+	/* initialized by gralloc_drm_create */
+	int fd;
+	struct gralloc_drm_drv_t *drv;
+
+	/* initialized by gralloc_drm_init_kms */
+	drmModeResPtr resources;
+	uint32_t crtc_id;
+	uint32_t connector_id;
+	drmModeModeInfo mode;
+	int xdpi, ydpi;
+	int format;
+#ifdef DRM_MODE_FEATURE_DIRTYFB
+	drmModeClip clip;
+#endif
+	drmEventContext evctx;
+
+	/* initialized by drv->init_kms_features */
+	enum drm_swap_mode swap_mode;
+	int swap_interval;
+	int mode_dirty_fb;
+	int mode_sync_flip; /* page flip should block */
+	int vblank_secondary;
+
+	int first_post;
+	struct gralloc_drm_bo_t *current_front, *next_front;
+	int waiting_flip;
+	unsigned int last_swap;
+};
+
+struct gralloc_drm_drv_t {
+	/* destroy the driver */
+	void (*destroy)(struct gralloc_drm_drv_t *drv);
+
+	/* initialize KMS features */
+	void (*init_kms_features)(struct gralloc_drm_drv_t *drv,
+				  struct gralloc_drm_t *drm);
+
+	/* allocate or import a bo */
+	struct gralloc_drm_bo_t *(*alloc)(struct gralloc_drm_drv_t *drv,
+			                  struct gralloc_drm_handle_t *handle);
+
+	/* free a bo */
+	void (*free)(struct gralloc_drm_drv_t *drv,
+		     struct gralloc_drm_bo_t *bo);
+
+	/* map a bo for CPU access */
+	int (*map)(struct gralloc_drm_drv_t *drv,
+		   struct gralloc_drm_bo_t *bo,
+		   int x, int y, int w, int h, int enable_write, void **addr);
+
+	/* unmap a bo */
+	void (*unmap)(struct gralloc_drm_drv_t *drv,
+		      struct gralloc_drm_bo_t *bo);
+
+	/* copy between two bo's, used for DRM_SWAP_COPY */
+	void (*copy)(struct gralloc_drm_drv_t *drv,
+		     struct gralloc_drm_bo_t *dst,
+		     struct gralloc_drm_bo_t *src,
+		     short x1, short y1, short x2, short y2);
+};
+
+struct gralloc_drm_bo_t {
+	struct gralloc_drm_t *drm;
+	struct gralloc_drm_handle_t *handle;
+
+	int imported;  /* the handle is from a remote proces when true */
+	int fb_handle; /* the GEM handle of the bo */
+	int fb_id;     /* the fb id */
+};
+
+struct gralloc_drm_drv_t *gralloc_drm_drv_create_for_intel(int fd);
+struct gralloc_drm_drv_t *gralloc_drm_drv_create_for_radeon(int fd);
+struct gralloc_drm_drv_t *gralloc_drm_drv_create_for_pipe(int fd);
+
+#endif /* _GRALLOC_DRM_PRIV_H_ */