Mercurial > sdl-ios-xcode
annotate src/video/fbcon/SDL_fbriva.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 #include "SDL_video.h" |
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25 #include "../SDL_blit.h" |
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26 #include "SDL_fbriva.h" |
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27 #include "riva_mmio.h" |
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28 #include "riva_regs.h" |
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29 |
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30 |
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31 static int FifoEmptyCount = 0; |
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32 static int FifoFreeCount = 0; |
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33 |
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34 /* Wait for vertical retrace */ |
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35 static void |
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36 WaitVBL(_THIS) |
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37 { |
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38 volatile Uint8 *port = (Uint8 *) (mapped_io + PCIO_OFFSET + 0x3DA); |
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39 |
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40 while ((*port & 0x08)); |
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41 while (!(*port & 0x08)); |
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42 } |
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43 |
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44 static void |
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45 NV3WaitIdle(_THIS) |
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46 { |
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47 RivaRop *Rop = (RivaRop *) (mapped_io + ROP_OFFSET); |
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48 while ((Rop->FifoFree < FifoEmptyCount) || |
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49 (*(mapped_io + PGRAPH_OFFSET + 0x000006B0) & 0x01)); |
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50 } |
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51 |
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52 static void |
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53 NV4WaitIdle(_THIS) |
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54 { |
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55 RivaRop *Rop = (RivaRop *) (mapped_io + ROP_OFFSET); |
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56 while ((Rop->FifoFree < FifoEmptyCount) || |
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57 (*(mapped_io + PGRAPH_OFFSET + 0x00000700) & 0x01)); |
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58 } |
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59 |
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60 #if 0 /* Not yet implemented? */ |
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61 /* Sets video mem colorkey and accelerated blit function */ |
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62 static int |
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63 SetHWColorKey(_THIS, SDL_Surface * surface, Uint32 key) |
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64 { |
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65 return (0); |
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66 } |
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67 |
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68 /* Sets per surface hardware alpha value */ |
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69 static int |
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70 SetHWAlpha(_THIS, SDL_Surface * surface, Uint8 value) |
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71 { |
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72 return (0); |
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73 } |
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74 #endif /* Not yet implemented */ |
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75 |
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76 static int |
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77 FillHWRect(_THIS, SDL_Surface * dst, SDL_Rect * rect, Uint32 color) |
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78 { |
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79 int dstX, dstY; |
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80 int dstW, dstH; |
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81 RivaBitmap *Bitmap = (RivaBitmap *) (mapped_io + BITMAP_OFFSET); |
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82 |
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83 /* Don't blit to the display surface when switched away */ |
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84 if (switched_away) { |
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85 return -2; /* no hardware access */ |
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86 } |
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87 if (dst == this->screen) { |
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88 SDL_mutexP(hw_lock); |
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89 } |
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90 |
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91 /* Set up the X/Y base coordinates */ |
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92 dstW = rect->w; |
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93 dstH = rect->h; |
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94 FB_dst_to_xy(this, dst, &dstX, &dstY); |
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95 |
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96 /* Adjust for the current rectangle */ |
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97 dstX += rect->x; |
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98 dstY += rect->y; |
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99 |
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100 RIVA_FIFO_FREE(Bitmap, 1); |
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101 Bitmap->Color1A = color; |
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102 |
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103 RIVA_FIFO_FREE(Bitmap, 2); |
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104 Bitmap->UnclippedRectangle[0].TopLeft = (dstX << 16) | dstY; |
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105 Bitmap->UnclippedRectangle[0].WidthHeight = (dstW << 16) | dstH; |
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106 |
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107 FB_AddBusySurface(dst); |
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108 |
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109 if (dst == this->screen) { |
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110 SDL_mutexV(hw_lock); |
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111 } |
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112 return (0); |
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113 } |
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114 |
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115 static int |
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116 HWAccelBlit(SDL_Surface * src, SDL_Rect * srcrect, |
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117 SDL_Surface * dst, SDL_Rect * dstrect) |
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118 { |
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119 SDL_VideoDevice *this = current_video; |
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120 int srcX, srcY; |
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121 int dstX, dstY; |
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122 int dstW, dstH; |
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123 RivaScreenBlt *Blt = (RivaScreenBlt *) (mapped_io + BLT_OFFSET); |
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124 |
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125 /* FIXME: For now, only blit to display surface */ |
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126 if (dst->pitch != SDL_VideoSurface->pitch) { |
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127 return (src->map->sw_blit(src, srcrect, dst, dstrect)); |
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128 } |
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129 |
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130 /* Don't blit to the display surface when switched away */ |
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131 if (switched_away) { |
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132 return -2; /* no hardware access */ |
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133 } |
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134 if (dst == this->screen) { |
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135 SDL_mutexP(hw_lock); |
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136 } |
133
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137 |
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138 /* Calculate source and destination base coordinates (in pixels) */ |
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139 dstW = dstrect->w; |
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140 dstH = dstrect->h; |
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141 FB_dst_to_xy(this, src, &srcX, &srcY); |
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142 FB_dst_to_xy(this, dst, &dstX, &dstY); |
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143 |
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144 /* Adjust for the current blit rectangles */ |
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145 srcX += srcrect->x; |
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146 srcY += srcrect->y; |
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147 dstX += dstrect->x; |
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148 dstY += dstrect->y; |
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149 |
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150 RIVA_FIFO_FREE(Blt, 3); |
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151 Blt->TopLeftSrc = (srcY << 16) | srcX; |
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152 Blt->TopLeftDst = (dstY << 16) | dstX; |
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153 Blt->WidthHeight = (dstH << 16) | dstW; |
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154 |
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155 FB_AddBusySurface(src); |
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156 FB_AddBusySurface(dst); |
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157 |
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158 if (dst == this->screen) { |
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159 SDL_mutexV(hw_lock); |
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160 } |
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161 return (0); |
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162 } |
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163 |
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164 static int |
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165 CheckHWBlit(_THIS, SDL_Surface * src, SDL_Surface * dst) |
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166 { |
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167 int accelerated; |
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168 |
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169 /* Set initial acceleration on */ |
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170 src->flags |= SDL_HWACCEL; |
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171 |
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172 /* Set the surface attributes */ |
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173 if ((src->flags & SDL_SRCALPHA) == SDL_SRCALPHA) { |
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174 if (!this->info.blit_hw_A) { |
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175 src->flags &= ~SDL_HWACCEL; |
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176 } |
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177 } |
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178 if ((src->flags & SDL_SRCCOLORKEY) == SDL_SRCCOLORKEY) { |
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179 if (!this->info.blit_hw_CC) { |
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180 src->flags &= ~SDL_HWACCEL; |
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181 } |
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182 } |
133
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183 |
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184 /* Check to see if final surface blit is accelerated */ |
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185 accelerated = !!(src->flags & SDL_HWACCEL); |
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186 if (accelerated) { |
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187 src->map->hw_blit = HWAccelBlit; |
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188 } |
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189 return (accelerated); |
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190 } |
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191 |
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192 void |
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193 FB_RivaAccel(_THIS, __u32 card) |
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194 { |
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195 RivaRop *Rop = (RivaRop *) (mapped_io + ROP_OFFSET); |
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196 |
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197 /* We have hardware accelerated surface functions */ |
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198 this->CheckHWBlit = CheckHWBlit; |
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199 wait_vbl = WaitVBL; |
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200 switch (card) { |
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201 case FB_ACCEL_NV3: |
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202 wait_idle = NV3WaitIdle; |
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203 break; |
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204 case FB_ACCEL_NV4: |
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205 wait_idle = NV4WaitIdle; |
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206 break; |
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207 default: |
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208 /* Hmm... FIXME */ |
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209 break; |
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210 } |
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211 FifoEmptyCount = Rop->FifoFree; |
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212 |
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213 /* The Riva has an accelerated color fill */ |
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214 this->info.blit_fill = 1; |
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215 this->FillHWRect = FillHWRect; |
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216 |
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217 /* The Riva has accelerated normal and colorkey blits. */ |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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218 this->info.blit_hw = 1; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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219 #if 0 /* Not yet implemented? */ |
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220 this->info.blit_hw_CC = 1; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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221 this->SetHWColorKey = SetHWColorKey; |
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222 #endif |
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223 |
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224 #if 0 /* Not yet implemented? */ |
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225 /* The Riva has an accelerated alpha blit */ |
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226 this->info.blit_hw_A = 1; |
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227 this->SetHWAlpha = SetHWAlpha; |
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228 #endif |
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229 } |
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230 |
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231 /* vi: set ts=4 sw=4 expandtab: */ |