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annotate src/video/ps3/spulibs/spu_common.h @ 3473:7bdc10624cba

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This is terrible, but the OpenGL standard says that lines are half open, which means that one endpoint is not covered so adjoining lines don't overlap. It also doesn't define which end is open, and indeed Mac OS X and Linux differ. Mac OS X seems to leave the second endpoint open, but Linux uses the right-most endpoint for x major lines and the bottom-most endpoint for y major lines.
author Sam Lantinga <slouken@libsdl.org>
date Sat, 21 Nov 2009 07:14:21 +0000
parents 94fb40a4a9a7
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1 /*
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2 * SDL - Simple DirectMedia Layer
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3 * CELL BE Support for PS3 Framebuffer
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4 * Copyright (C) 2008, 2009 International Business Machines Corporation
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5 *
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6 * This library is free software; you can redistribute it and/or modify it
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7 * under the terms of the GNU Lesser General Public License as published
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8 * by the Free Software Foundation; either version 2.1 of the License, or
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9 * (at your option) any later version.
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10 *
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11 * This library is distributed in the hope that it will be useful, but
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12 * WITHOUT ANY WARRANTY; without even the implied warranty of
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 * Lesser General Public License for more details.
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15 *
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16 * You should have received a copy of the GNU Lesser General Public
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17 * License along with this library; if not, write to the Free Software
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18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
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19 * USA
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20 *
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21 * Martin Lowinski <lowinski [at] de [dot] ibm [ibm] com>
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22 * Dirk Herrendoerfer <d.herrendoerfer [at] de [dot] ibm [dot] com>
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23 * SPE code based on research by:
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24 * Rene Becker
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25 * Thimo Emmerich
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26 */
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27
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28 /* Common definitions/makros for SPUs */
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29
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30 #ifndef _SPU_COMMON_H
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31 #define _SPU_COMMON_H
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32
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33 #include <stdio.h>
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34 #include <stdint.h>
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35 #include <string.h>
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36
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37 /* Tag management */
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38 #define DMA_WAIT_TAG(_tag) \
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39 mfc_write_tag_mask(1<<(_tag)); \
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40 mfc_read_tag_status_all();
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41
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42 /* SPU mailbox messages */
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43 #define SPU_READY 0
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44 #define SPU_START 1
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45 #define SPU_FIN 2
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46 #define SPU_EXIT 3
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47
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48 /* Tags */
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49 #define RETR_BUF 0
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50 #define STR_BUF 1
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51 #define TAG_INIT 2
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52
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53 /* Buffersizes */
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54 #define MAX_HDTV_WIDTH 1920
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55 #define MAX_HDTV_HEIGHT 1080
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56 /* One stride of HDTV */
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57 #define BUFFER_SIZE 7680
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58
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59 /* fb_writer ppu/spu exchange parms */
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60 struct fb_writer_parms_t {
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61 uint8_t *data;
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62 uint8_t *center;
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63 uint32_t out_line_stride;
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64 uint32_t in_line_stride;
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65 uint32_t bounded_input_height;
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66 uint32_t bounded_input_width;
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67 uint32_t fb_pixel_size;
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68
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69 /* This padding is to fulfill the need for 16 byte alignment. On parm change, update! */
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70 char padding[4];
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71 } __attribute__((aligned(128)));
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72
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73 /* yuv2rgb ppu/spu exchange parms */
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74 struct yuv2rgb_parms_t {
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75 uint8_t* y_plane;
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76 uint8_t* v_plane;
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77 uint8_t* u_plane;
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78
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79 uint8_t* dstBuffer;
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80
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81 unsigned int src_pixel_width;
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82 unsigned int src_pixel_height;
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83
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84 /* This padding is to fulfill the need for 16 byte alignment. On parm change, update! */
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85 char padding[128 - ((4 * sizeof(uint8_t *) + 2 * sizeof(unsigned int)) & 0x7F)];
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86 } __attribute__((aligned(128)));
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87
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88 /* bilin_scaler ppu/spu exchange parms */
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89 struct scale_parms_t {
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90 uint8_t* y_plane;
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91 uint8_t* v_plane;
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92 uint8_t* u_plane;
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93
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94 uint8_t* dstBuffer;
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95
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96 unsigned int src_pixel_width;
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97 unsigned int src_pixel_height;
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98
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99 unsigned int dst_pixel_width;
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100 unsigned int dst_pixel_height;
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101
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102 /* This padding is to fulfill the need for 16 byte alignment. On parm change, update! */
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103 char padding[128 - ((4 * sizeof(uint8_t *) + 4 * sizeof(unsigned int)) & 0x7F)];
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104 } __attribute__((aligned(128)));
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105
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106 #endif /* _SPU_COMMON_H */
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107
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108