| /* ply-frame-buffer.h - framebuffer abstraction |
| * |
| * Copyright (C) 2007 Red Hat, Inc. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2, or (at your option) |
| * any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA |
| * 02111-1307, USA. |
| * |
| * Written By: Ray Strode <rstrode@redhat.com> |
| */ |
| #ifndef PLY_FRAME_BUFFER_H |
| #define PLY_FRAME_BUFFER_H |
| |
| #include <stdbool.h> |
| #include <stddef.h> |
| #include <stdint.h> |
| |
| typedef struct _ply_frame_buffer_area ply_frame_buffer_area_t; |
| typedef struct _ply_frame_buffer ply_frame_buffer_t; |
| typedef struct _ply_list ply_list_t; |
| |
| struct _ply_frame_buffer_area { |
| long x; |
| long y; |
| size_t width; |
| size_t height; |
| size_t visible_width; |
| size_t visible_height; |
| }; |
| |
| struct _ply_frame_buffer { |
| char *device_name; |
| int device_fd; |
| int drm_device_fd; |
| |
| char *map_address; |
| size_t size; |
| |
| uint32_t *shadow_buffer; |
| |
| uint32_t red_bit_position; |
| uint32_t green_bit_position; |
| uint32_t blue_bit_position; |
| uint32_t alpha_bit_position; |
| |
| uint32_t bits_for_red; |
| uint32_t bits_for_green; |
| uint32_t bits_for_blue; |
| uint32_t bits_for_alpha; |
| |
| int32_t dither_red; |
| int32_t dither_green; |
| int32_t dither_blue; |
| |
| unsigned int bytes_per_pixel; |
| unsigned int row_stride; |
| |
| ply_frame_buffer_area_t area; |
| ply_list_t *areas_to_flush; |
| |
| void (*flush_area)(ply_frame_buffer_t *buffer, |
| ply_frame_buffer_area_t *area_to_flush); |
| |
| int pause_count; |
| }; |
| |
| ply_frame_buffer_t *ply_frame_buffer_new(const char *device_name); |
| void ply_frame_buffer_free(ply_frame_buffer_t *buffer); |
| |
| bool ply_frame_buffer_open(ply_frame_buffer_t *buffer); |
| void ply_frame_buffer_close(ply_frame_buffer_t *buffer); |
| |
| bool ply_frame_buffer_device_is_open(ply_frame_buffer_t *buffer); |
| char *ply_frame_buffer_get_device_name(ply_frame_buffer_t *buffer); |
| void ply_frame_buffer_set_device_name( |
| ply_frame_buffer_t *buffer, const char *device_name); |
| void ply_frame_buffer_get_size( |
| ply_frame_buffer_t *buffer, ply_frame_buffer_area_t *size); |
| const char *ply_frame_buffer_get_bytes(ply_frame_buffer_t *buffer); |
| |
| bool ply_frame_buffer_fill(ply_frame_buffer_t *buffer, |
| ply_frame_buffer_area_t *area, |
| const uint32_t *data); |
| void ply_frame_buffer_clear(ply_frame_buffer_t *buffer, |
| uint32_t clear_color); |
| |
| #endif /* PLY_FRAME_BUFFER_H */ |
| /* vim: set ts=4 sw=4 expandtab autoindent cindent cino={.5s,(0: */ |