Mercurial > sdl-ios-xcode
annotate src/video/ps2gs/SDL_gsyuv.c @ 3168:6338b7f2d024
Hi,
I have prepared a set of patches to readd WindowsCE support to SDL 1.3.
I've created a new GAPI/Rawframebuffer and a DirectDraw renderer.
Both renderers are work in progress and there are several unimplemented
cases. (Notably
RenderLine/RenderPoint/RenderFill/QueryTexturePixels/UpdateTexture and
texture blending )
Nevertheless I am successfully using these renderers together with the
SDL software renderer. (On most devices the SDL software renderer will
be much faster as there are only badly optimized vendor drivers available)
I send these patches now in this unpolished state because there seems to
be some interest in win ce and someone has to start supporting SDL 1.3
Now on to the patches:
wince_events_window_fixes.patch
fixes some wince incompatibilities and adds fullscreen support via
SHFullScreen. NOTE: This patch shouldn't have any side effects on
Windows, but I have NOT tested it on Windows, so please double-check.
This patch doesn't dependent on the following ones.
wince_renderers_system.patch
This patch does all necessary modifications to the SDL system.
- it adds the renderers to the configure system
- it adds the renderers to win32video
SDL_ceddrawrender.c
SDL_ceddrawrender.h
SDL_gapirender_c.h
SDL_gapirender.c
SDL_gapirender.h
these files add the new render drivers and should be placed in
src/video/win32
Some notes to people who want to test this:
- I have only compiled sdl with ming32ce, so the VisualC files are not
up to date
- As mingw32ce has no ddraw.h this file must be taken from the MS SDK
and modified to work with gcc
- I had to modify line 2611 in configure.in to
EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lcoredll -lcommctrl -lmmtimer
-Wl,--image-base -Wl,0x10000"
otherwise GetCPinfo wouldn't link. If someone knows whats causing this
I'd be happy to hear about it.
It would be great if these patches could make their way into SVN as this
would make collaboration much much easier.
I'm out of office for the next week and therefore will be unavailable
via email.
Regards
Stefan
author | Sam Lantinga <slouken@libsdl.org> |
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date | Sun, 07 Jun 2009 02:44:46 +0000 |
parents | 99210400e8b9 |
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1 /* |
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2 SDL - Simple DirectMedia Layer |
2859 | 3 Copyright (C) 1997-2009 Sam Lantinga |
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4 |
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5 This library is free software; you can redistribute it and/or |
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6 modify it under the terms of the GNU Lesser General Public |
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7 License as published by the Free Software Foundation; either |
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8 version 2.1 of the License, or (at your option) any later version. |
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9 |
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10 This library is distributed in the hope that it will be useful, |
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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13 Lesser General Public License for more details. |
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14 |
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15 You should have received a copy of the GNU Lesser General Public |
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16 License along with this library; if not, write to the Free Software |
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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18 |
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19 Sam Lantinga |
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20 slouken@libsdl.org |
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21 */ |
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22 #include "SDL_config.h" |
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23 |
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24 /* This is the Playstation 2 implementation of YUV video overlays */ |
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25 |
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26 #include <fcntl.h> |
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27 #include <unistd.h> |
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28 #include <sys/ioctl.h> |
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29 #include <sys/mman.h> |
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30 #include <asm/page.h> /* For definition of PAGE_SIZE */ |
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31 |
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32 #include "SDL_video.h" |
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33 #include "SDL_gsyuv_c.h" |
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34 #include "../SDL_yuvfuncs.h" |
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35 |
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36 /* The maximum number of 16x16 pixel block converted at once */ |
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37 #define MAX_MACROBLOCKS 1024 /* 2^10 macroblocks at once */ |
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38 |
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39 /* The functions used to manipulate video overlays */ |
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40 static struct private_yuvhwfuncs gs_yuvfuncs = { |
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41 GS_LockYUVOverlay, |
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42 GS_UnlockYUVOverlay, |
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43 GS_DisplayYUVOverlay, |
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44 GS_FreeYUVOverlay |
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45 }; |
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46 |
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47 struct private_yuvhwdata |
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48 { |
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49 int ipu_fd; |
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50 Uint8 *pixels; |
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51 int macroblocks; |
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52 int dma_len; |
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53 caddr_t dma_mem; |
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54 caddr_t ipu_imem; |
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55 caddr_t ipu_omem; |
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56 caddr_t dma_tags; |
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57 unsigned long long *stretch_x1y1; |
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58 unsigned long long *stretch_x2y2; |
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59 struct ps2_plist plist; |
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60 |
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61 /* These are just so we don't have to allocate them separately */ |
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62 Uint16 pitches[3]; |
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63 Uint8 *planes[3]; |
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64 }; |
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65 |
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66 static int |
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67 power_of_2(int value) |
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68 { |
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69 int shift; |
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70 |
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71 for (shift = 0; (1 << shift) < value; ++shift) { |
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72 /* Keep looking */ ; |
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73 } |
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74 return (shift); |
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75 } |
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76 |
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77 SDL_Overlay * |
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78 GS_CreateYUVOverlay(_THIS, int width, int height, Uint32 format, |
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79 SDL_Surface * display) |
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80 { |
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81 SDL_Overlay *overlay; |
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82 struct private_yuvhwdata *hwdata; |
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83 int map_offset; |
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84 unsigned long long *tags; |
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85 caddr_t base; |
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86 int bpp; |
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87 int fbp, fbw, psm; |
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88 int x, y, w, h; |
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89 int pnum; |
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90 struct ps2_packet *packet; |
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91 struct ps2_packet tex_packet; |
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92 |
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93 /* We can only decode blocks of 16x16 pixels */ |
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94 if ((width & 15) || (height & 15)) { |
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95 SDL_SetError("Overlay width/height must be multiples of 16"); |
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96 return (NULL); |
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97 } |
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98 /* Make sure the image isn't too large for a single DMA transfer */ |
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99 if (((width / 16) * (height / 16)) > MAX_MACROBLOCKS) { |
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100 SDL_SetError("Overlay too large (maximum size: %d pixels)", |
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101 MAX_MACROBLOCKS * 16 * 16); |
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102 return (NULL); |
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103 } |
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104 |
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105 /* Double-check the requested format. For simplicity, we'll only |
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106 support planar YUV formats. |
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107 */ |
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108 switch (format) { |
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109 case SDL_YV12_OVERLAY: |
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110 case SDL_IYUV_OVERLAY: |
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111 /* Supported planar YUV format */ |
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112 break; |
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113 default: |
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114 SDL_SetError("Unsupported YUV format"); |
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115 return (NULL); |
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116 } |
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117 |
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118 /* Create the overlay structure */ |
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119 overlay = (SDL_Overlay *) SDL_malloc(sizeof *overlay); |
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120 if (overlay == NULL) { |
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121 SDL_OutOfMemory(); |
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122 return (NULL); |
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123 } |
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124 SDL_memset(overlay, 0, (sizeof *overlay)); |
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125 |
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126 /* Fill in the basic members */ |
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127 overlay->format = format; |
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128 overlay->w = width; |
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129 overlay->h = height; |
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130 |
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131 /* Set up the YUV surface function structure */ |
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132 overlay->hwfuncs = &gs_yuvfuncs; |
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133 overlay->hw_overlay = 1; |
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134 |
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135 /* Create the pixel data */ |
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136 hwdata = (struct private_yuvhwdata *) SDL_malloc(sizeof *hwdata); |
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137 overlay->hwdata = hwdata; |
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138 if (hwdata == NULL) { |
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139 SDL_FreeYUVOverlay(overlay); |
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140 SDL_OutOfMemory(); |
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141 return (NULL); |
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142 } |
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143 hwdata->ipu_fd = -1; |
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144 hwdata->pixels = (Uint8 *) SDL_malloc(width * height * 2); |
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145 if (hwdata->pixels == NULL) { |
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146 SDL_FreeYUVOverlay(overlay); |
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147 SDL_OutOfMemory(); |
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148 return (NULL); |
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149 } |
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150 hwdata->macroblocks = (width / 16) * (height / 16); |
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151 |
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152 /* Find the pitch and offset values for the overlay */ |
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153 overlay->pitches = hwdata->pitches; |
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154 overlay->pixels = hwdata->planes; |
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155 switch (format) { |
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156 case SDL_YV12_OVERLAY: |
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157 case SDL_IYUV_OVERLAY: |
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158 overlay->pitches[0] = overlay->w; |
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159 overlay->pitches[1] = overlay->pitches[0] / 2; |
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160 overlay->pitches[2] = overlay->pitches[0] / 2; |
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161 overlay->pixels[0] = hwdata->pixels; |
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162 overlay->pixels[1] = overlay->pixels[0] + |
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163 overlay->pitches[0] * overlay->h; |
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164 overlay->pixels[2] = overlay->pixels[1] + |
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165 overlay->pitches[1] * overlay->h / 2; |
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166 overlay->planes = 3; |
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167 break; |
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168 default: |
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169 /* We should never get here (caught above) */ |
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170 break; |
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171 } |
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172 |
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173 /* Theoretically we could support several concurrent decode |
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174 streams queueing up on the same file descriptor, but for |
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175 simplicity we'll support only one. Opening the IPU more |
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176 than once will fail with EBUSY. |
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177 */ |
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178 hwdata->ipu_fd = open("/dev/ps2ipu", O_RDWR); |
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179 if (hwdata->ipu_fd < 0) { |
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180 SDL_FreeYUVOverlay(overlay); |
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181 SDL_SetError("Playstation 2 IPU busy"); |
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182 return (NULL); |
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183 } |
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184 |
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185 /* Allocate a DMA area for pixel conversion */ |
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186 bpp = this->screen->format->BytesPerPixel; |
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187 map_offset = (mapped_len + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1); |
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188 hwdata->dma_len = hwdata->macroblocks * (16 * 16 + 8 * 8 + 8 * 8) + |
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189 width * height * bpp + |
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190 hwdata->macroblocks * (16 * sizeof(long long)) + |
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191 12 * sizeof(long long); |
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192 hwdata->dma_mem = mmap(0, hwdata->dma_len, PROT_READ | PROT_WRITE, |
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193 MAP_SHARED, memory_fd, map_offset); |
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194 if (hwdata->dma_mem == MAP_FAILED) { |
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195 hwdata->ipu_imem = (caddr_t) 0; |
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196 SDL_FreeYUVOverlay(overlay); |
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197 SDL_SetError("Unable to map %d bytes for DMA", hwdata->dma_len); |
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198 return (NULL); |
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199 } |
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200 hwdata->ipu_imem = hwdata->dma_mem; |
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201 hwdata->ipu_omem = hwdata->ipu_imem + |
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202 hwdata->macroblocks * (16 * 16 + 8 * 8 + 8 * 8); |
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203 hwdata->dma_tags = hwdata->ipu_omem + width * height * bpp; |
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204 |
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205 /* Allocate memory for the DMA packets */ |
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206 hwdata->plist.num = hwdata->macroblocks * 4 + 1; |
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207 hwdata->plist.packet = |
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208 (struct ps2_packet *) SDL_malloc(hwdata->plist.num * |
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209 sizeof(struct ps2_packet)); |
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210 if (!hwdata->plist.packet) { |
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211 SDL_FreeYUVOverlay(overlay); |
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212 SDL_OutOfMemory(); |
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213 return (NULL); |
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214 } |
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215 pnum = 0; |
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216 packet = hwdata->plist.packet; |
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217 |
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218 /* Set up the tags to send the image to the screen */ |
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219 tags = (unsigned long long *) hwdata->dma_tags; |
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220 base = hwdata->ipu_omem; |
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221 fbp = screen_image.fbp; |
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222 fbw = screen_image.fbw; |
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223 psm = screen_image.psm; |
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224 y = screen_image.y + screen_image.h; /* Offscreen video memory */ |
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225 for (h = height / 16; h; --h) { |
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226 x = 0; /* Visible video memory */ |
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227 for (w = width / 16; w; --w) { |
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228 /* The head tag */ |
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229 packet[pnum].ptr = &tags[0]; |
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230 packet[pnum].len = 10 * sizeof(*tags); |
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231 ++pnum; |
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232 tags[0] = 4 | (1LL << 60); /* GIFtag */ |
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233 tags[1] = 0x0e; /* A+D */ |
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234 tags[2] = ((unsigned long long) fbp << 32) | |
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235 ((unsigned long long) fbw << 48) | |
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236 ((unsigned long long) psm << 56); |
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237 tags[3] = PS2_GS_BITBLTBUF; |
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238 tags[4] = ((unsigned long long) x << 32) | |
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239 ((unsigned long long) y << 48); |
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240 tags[5] = PS2_GS_TRXPOS; |
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241 tags[6] = (unsigned long long) 16 | |
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242 ((unsigned long long) 16 << 32); |
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243 tags[7] = PS2_GS_TRXREG; |
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244 tags[8] = 0; |
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245 tags[9] = PS2_GS_TRXDIR; |
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246 /* Now the actual image data */ |
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247 packet[pnum].ptr = &tags[10]; |
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248 packet[pnum].len = 2 * sizeof(*tags); |
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249 ++pnum; |
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250 tags[10] = ((16 * 16 * bpp) >> 4) | (2LL << 58); |
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251 tags[11] = 0; |
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252 packet[pnum].ptr = (void *) base; |
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253 packet[pnum].len = 16 * 16 * bpp; |
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254 ++pnum; |
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255 packet[pnum].ptr = &tags[12]; |
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256 packet[pnum].len = 2 * sizeof(*tags); |
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257 ++pnum; |
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258 tags[12] = (0 >> 4) | (1 << 15) | (2LL << 58); |
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259 tags[13] = 0; |
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260 |
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261 tags += 16; |
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262 base += 16 * 16 * bpp; |
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263 |
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264 x += 16; |
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265 } |
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266 y += 16; |
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267 } |
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268 |
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269 /* Set up the texture memory area for the video */ |
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270 tex_packet.ptr = tags; |
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271 tex_packet.len = 8 * sizeof(*tags); |
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272 tags[0] = 3 | (1LL << 60); /* GIFtag */ |
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273 tags[1] = 0x0e; /* A+D */ |
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274 tags[2] = ((screen_image.y + screen_image.h) * screen_image.w) / 64 + |
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275 ((unsigned long long) fbw << 14) + |
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276 ((unsigned long long) psm << 20) + |
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277 ((unsigned long long) power_of_2(width) << 26) + |
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278 ((unsigned long long) power_of_2(height) << 30) + |
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279 ((unsigned long long) 1 << 34) + ((unsigned long long) 1 << 35); |
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280 tags[3] = PS2_GS_TEX0_1; |
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281 tags[4] = (1 << 5) + (1 << 6); |
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282 tags[5] = PS2_GS_TEX1_1; |
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283 tags[6] = 0; |
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284 tags[7] = PS2_GS_TEXFLUSH; |
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285 ioctl(console_fd, PS2IOC_SEND, &tex_packet); |
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286 |
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287 /* Set up the tags for scaling the image */ |
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288 packet[pnum].ptr = tags; |
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289 packet[pnum].len = 12 * sizeof(*tags); |
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290 ++pnum; |
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291 tags[0] = 5 | (1LL << 60); /* GIFtag */ |
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292 tags[1] = 0x0e; /* A+D */ |
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293 tags[2] = 6 + (1 << 4) + (1 << 8); |
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294 tags[3] = PS2_GS_PRIM; |
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295 tags[4] = ((unsigned long long) 0 * 16) + |
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296 (((unsigned long long) 0 * 16) << 16); |
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297 tags[5] = PS2_GS_UV; |
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298 tags[6] = 0; /* X1, Y1 */ |
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299 tags[7] = PS2_GS_XYZ2; |
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300 hwdata->stretch_x1y1 = &tags[6]; |
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301 tags[8] = ((unsigned long long) overlay->w * 16) + |
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302 (((unsigned long long) overlay->h * 16) << 16); |
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303 tags[9] = PS2_GS_UV; |
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304 tags[10] = 0; /* X2, Y2 */ |
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305 tags[11] = PS2_GS_XYZ2; |
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306 hwdata->stretch_x2y2 = &tags[10]; |
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307 |
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308 /* We're all done.. */ |
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309 return (overlay); |
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310 } |
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311 |
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312 int |
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313 GS_LockYUVOverlay(_THIS, SDL_Overlay * overlay) |
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314 { |
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315 return (0); |
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316 } |
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317 |
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318 void |
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319 GS_UnlockYUVOverlay(_THIS, SDL_Overlay * overlay) |
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320 { |
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321 return; |
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322 } |
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323 |
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324 int |
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325 GS_DisplayYUVOverlay(_THIS, SDL_Overlay * overlay, SDL_Rect * src, |
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326 SDL_Rect * dst) |
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327 { |
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328 struct private_yuvhwdata *hwdata; |
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329 __u32 cmd; |
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330 struct ps2_packet packet; |
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331 int h, w, i; |
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332 Uint32 *lum, *Cr, *Cb; |
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333 int lum_pitch; |
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334 int crb_pitch; |
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335 Uint32 *lum_src, *Cr_src, *Cb_src; |
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336 Uint32 *srcp, *dstp; |
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337 unsigned int x, y; |
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338 SDL_Surface *screen; |
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339 |
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340 /* Find out where the various portions of the image are */ |
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341 hwdata = overlay->hwdata; |
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342 switch (overlay->format) { |
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343 case SDL_YV12_OVERLAY: |
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344 lum = (Uint32 *) overlay->pixels[0]; |
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345 Cr = (Uint32 *) overlay->pixels[1]; |
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346 Cb = (Uint32 *) overlay->pixels[2]; |
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347 break; |
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348 case SDL_IYUV_OVERLAY: |
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349 lum = (Uint32 *) overlay->pixels[0]; |
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350 Cr = (Uint32 *) overlay->pixels[2]; |
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351 Cb = (Uint32 *) overlay->pixels[1]; |
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352 default: |
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353 SDL_SetError("Unsupported YUV format in blit (?)"); |
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354 return (-1); |
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355 } |
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356 dstp = (Uint32 *) hwdata->ipu_imem; |
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357 lum_pitch = overlay->w / 4; |
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358 crb_pitch = (overlay->w / 2) / 4; |
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359 |
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360 /* Copy blocks of 16x16 pixels to the DMA area */ |
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361 for (h = overlay->h / 16; h; --h) { |
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362 lum_src = lum; |
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363 Cr_src = Cr; |
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364 Cb_src = Cb; |
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365 for (w = overlay->w / 16; w; --w) { |
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366 srcp = lum_src; |
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367 for (i = 0; i < 16; ++i) { |
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368 dstp[0] = srcp[0]; |
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369 dstp[1] = srcp[1]; |
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370 dstp[2] = srcp[2]; |
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371 dstp[3] = srcp[3]; |
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372 srcp += lum_pitch; |
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373 dstp += 4; |
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374 } |
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375 srcp = Cb_src; |
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376 for (i = 0; i < 8; ++i) { |
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377 dstp[0] = srcp[0]; |
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378 dstp[1] = srcp[1]; |
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379 srcp += crb_pitch; |
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380 dstp += 2; |
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381 } |
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382 srcp = Cr_src; |
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383 for (i = 0; i < 8; ++i) { |
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384 dstp[0] = srcp[0]; |
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385 dstp[1] = srcp[1]; |
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386 srcp += crb_pitch; |
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387 dstp += 2; |
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388 } |
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389 lum_src += 16 / 4; |
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390 Cb_src += 8 / 4; |
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391 Cr_src += 8 / 4; |
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392 } |
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393 lum += lum_pitch * 16; |
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394 Cr += crb_pitch * 8; |
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395 Cb += crb_pitch * 8; |
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396 } |
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397 |
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398 /* Send the macroblock data to the IPU */ |
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|
399 #ifdef DEBUG_YUV |
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400 fprintf(stderr, "Sending data to IPU..\n"); |
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|
401 #endif |
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402 packet.ptr = hwdata->ipu_imem; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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403 packet.len = hwdata->macroblocks * (16 * 16 + 8 * 8 + 8 * 8); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
404 ioctl(hwdata->ipu_fd, PS2IOC_SENDA, &packet); |
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|
405 |
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406 /* Trigger the DMA to the IPU for conversion */ |
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|
407 #ifdef DEBUG_YUV |
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408 fprintf(stderr, "Trigging conversion command\n"); |
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|
409 #endif |
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410 cmd = (7 << 28) + hwdata->macroblocks; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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411 if (screen_image.psm == PS2_GS_PSMCT16) { |
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|
412 cmd += (1 << 27) + /* Output RGB 555 */ |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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413 (1 << 26); /* Dither output */ |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
414 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
415 ioctl(hwdata->ipu_fd, PS2IOC_SIPUCMD, &cmd); |
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|
416 |
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417 /* Retrieve the converted image from the IPU */ |
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|
418 #ifdef DEBUG_YUV |
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|
419 fprintf(stderr, "Retrieving data from IPU..\n"); |
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|
420 #endif |
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|
421 packet.ptr = hwdata->ipu_omem; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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422 packet.len = overlay->w * overlay->h * |
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423 this->screen->format->BytesPerPixel; |
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424 ioctl(hwdata->ipu_fd, PS2IOC_RECV, &packet); |
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425 |
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426 #ifdef DEBUG_YUV |
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427 fprintf(stderr, "Copying image to screen..\n"); |
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428 #endif |
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429 /* Wait for previous DMA to complete */ |
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430 ioctl(console_fd, PS2IOC_SENDQCT, 1); |
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431 |
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432 /* Send the current image to the screen and scale it */ |
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433 screen = this->screen; |
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434 x = (unsigned int) dst->x; |
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435 y = (unsigned int) dst->y; |
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436 if (screen->offset) { |
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437 x += (screen->offset % screen->pitch) / screen->format->BytesPerPixel; |
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438 y += (screen->offset / screen->pitch); |
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439 } |
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440 y += screen_image.y; |
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441 *hwdata->stretch_x1y1 = (x * 16) + ((y * 16) << 16); |
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442 x += (unsigned int) dst->w; |
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443 y += (unsigned int) dst->h; |
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444 *hwdata->stretch_x2y2 = (x * 16) + ((y * 16) << 16); |
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445 return ioctl(console_fd, PS2IOC_SENDL, &hwdata->plist); |
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446 } |
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447 |
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448 void |
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449 GS_FreeYUVOverlay(_THIS, SDL_Overlay * overlay) |
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450 { |
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451 struct private_yuvhwdata *hwdata; |
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452 |
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453 hwdata = overlay->hwdata; |
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454 if (hwdata) { |
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455 if (hwdata->ipu_fd >= 0) { |
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456 close(hwdata->ipu_fd); |
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457 } |
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458 if (hwdata->dma_mem) { |
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459 munmap(hwdata->dma_mem, hwdata->dma_len); |
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460 } |
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461 if (hwdata->plist.packet) { |
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462 SDL_free(hwdata->plist.packet); |
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463 } |
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464 if (hwdata->pixels) { |
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465 SDL_free(hwdata->pixels); |
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466 } |
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467 SDL_free(hwdata); |
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468 } |
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469 } |
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470 |
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471 /* vi: set ts=4 sw=4 expandtab: */ |