From 2ec32d4f949f04d0006fff50065c904626c2e581 Mon Sep 17 00:00:00 2001 From: Chia-I Wu Date: Sun, 12 Jun 2011 16:21:30 +0800 Subject: initial commit --- gralloc_drm_priv.h | 115 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 115 insertions(+) create mode 100644 gralloc_drm_priv.h (limited to 'gralloc_drm_priv.h') diff --git a/gralloc_drm_priv.h b/gralloc_drm_priv.h new file mode 100644 index 0000000..6891faa --- /dev/null +++ b/gralloc_drm_priv.h @@ -0,0 +1,115 @@ +/* + * Copyright (C) 2010-2011 Chia-I Wu + * 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 +#include + +#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_ */ -- cgit v1.1