Mercurial > sdl-ios-xcode

annotate src/video/fbcon/SDL_fbmatrox.c @ 2893:e67f3f3bf221

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Turn on line antialiasing (requires blending to be enabled)
author Sam Lantinga <slouken@libsdl.org>
date Sat, 20 Dec 2008 18:40:30 +0000
parents 99210400e8b9
children f7b03b6838cb
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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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_fbmatrox.h"
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27 #include "matrox_mmio.h"
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28
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29
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30 /* Wait for vertical retrace - taken from the XFree86 Matrox driver */
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31 static void
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32 WaitVBL(_THIS)
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33 {
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34 int count;
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35
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36 /* find start of retrace */
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37 mga_waitidle();
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38 while ((mga_in8(0x1FDA) & 0x08));
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39 while (!(mga_in8(0x1FDA) & 0x08));
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40 /* wait until we're past the start */
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41 count = mga_in32(0x1E20) + 2;
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42 while (mga_in32(0x1E20) < count);
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43 }
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44
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45 static void
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46 WaitIdle(_THIS)
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47 {
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48 mga_waitidle();
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49 }
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50
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51 /* Sets video mem colorkey and accelerated blit function */
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52 static int
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53 SetHWColorKey(_THIS, SDL_Surface * surface, Uint32 key)
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54 {
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55 return (0);
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56 }
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57
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58 /* Sets per surface hardware alpha value */
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59 #if 0
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60 static int
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61 SetHWAlpha(_THIS, SDL_Surface * surface, Uint8 value)
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62 {
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63 return (0);
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64 }
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65 #endif
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66
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67 static int
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68 FillHWRect(_THIS, SDL_Surface * dst, SDL_Rect * rect, Uint32 color)
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69 {
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70 int dstX, dstY;
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71 Uint32 fxbndry;
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72 Uint32 ydstlen;
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73 Uint32 fillop;
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74
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75 /* Don't blit to the display surface when switched away */
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76 if (switched_away) {
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77 return -2; /* no hardware access */
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78 }
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79 if (dst == this->screen) {
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80 SDL_mutexP(hw_lock);
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81 }
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82
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83 switch (dst->format->BytesPerPixel) {
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84 case 1:
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85 color |= (color << 8);
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86 case 2:
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87 color |= (color << 16);
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88 break;
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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 FB_dst_to_xy(this, dst, &dstX, &dstY);
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93
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94 /* Adjust for the current rectangle */
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95 dstX += rect->x;
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96 dstY += rect->y;
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97
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98 /* Set up the X boundaries */
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99 fxbndry = (dstX | ((dstX + rect->w) << 16));
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100
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101 /* Set up the Y boundaries */
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102 ydstlen = (rect->h | (dstY << 16));
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103
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104 /* Set up for color fill operation */
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105 fillop = MGADWG_TRAP | MGADWG_SOLID |
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106 MGADWG_ARZERO | MGADWG_SGNZERO | MGADWG_SHIFTZERO;
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107
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108 /* Execute the operations! */
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109 mga_wait(5);
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110 mga_out32(MGAREG_DWGCTL, fillop | MGADWG_REPLACE);
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111 mga_out32(MGAREG_FCOL, color);
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112 mga_out32(MGAREG_FXBNDRY, fxbndry);
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113 mga_out32(MGAREG_YDSTLEN + MGAREG_EXEC, ydstlen);
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114
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115 FB_AddBusySurface(dst);
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116
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117 if (dst == this->screen) {
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118 SDL_mutexV(hw_lock);
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119 }
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120 return (0);
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121 }
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122
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123 static int
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124 HWAccelBlit(SDL_Surface * src, SDL_Rect * srcrect,
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125 SDL_Surface * dst, SDL_Rect * dstrect)
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126 {
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127 SDL_VideoDevice *this = current_video;
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128 int pitch, w, h;
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129 int srcX, srcY;
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130 int dstX, dstY;
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131 Uint32 sign;
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132 Uint32 start, stop;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
133 int skip;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
134 Uint32 blitop;
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135
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136 /* FIXME: For now, only blit to display surface */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1780
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137 if (dst->pitch != SDL_VideoSurface->pitch) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1780
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138 return (src->map->sw_blit(src, srcrect, dst, dstrect));
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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139 }
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140
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diff changeset
141 /* Don't blit to the display surface when switched away */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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142 if (switched_away) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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143 return -2; /* no hardware access */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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144 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1780
diff changeset
145 if (dst == this->screen) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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146 SDL_mutexP(hw_lock);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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147 }
109
5a9c36a45db1 Fixed switching away from the SDL at the framebuffer console
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diff changeset
148
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149 /* Calculate source and destination base coordinates (in pixels) */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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150 w = dstrect->w;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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151 h = dstrect->h;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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152 FB_dst_to_xy(this, src, &srcX, &srcY);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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153 FB_dst_to_xy(this, dst, &dstX, &dstY);
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154
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155 /* Adjust for the current blit rectangles */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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156 srcX += srcrect->x;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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157 srcY += srcrect->y;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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158 dstX += dstrect->x;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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159 dstY += dstrect->y;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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160 pitch = dst->pitch / dst->format->BytesPerPixel;
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161
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162 /* Set up the blit direction (sign) flags */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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163 sign = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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164 if (srcX < dstX) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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165 sign |= 1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1780
diff changeset
166 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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167 if (srcY < dstY) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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168 sign |= 4;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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169 srcY += (h - 1);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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170 dstY += (h - 1);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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171 }
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172
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173 /* Set up the blit source row start, end, and skip (in pixels) */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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174 stop = start = (srcY * pitch) + srcX;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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175 if (srcX < dstX) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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176 start += (w - 1);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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177 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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178 stop += (w - 1);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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179 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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180 if (srcY < dstY) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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181 skip = -pitch;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1780
diff changeset
182 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
183 skip = pitch;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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184 }
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185
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186 /* Set up the blit operation */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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187 if ((src->flags & SDL_SRCCOLORKEY) == SDL_SRCCOLORKEY) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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188 Uint32 colorkey;
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189
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190 blitop = MGADWG_BFCOL | MGADWG_BITBLT |
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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191 MGADWG_SHIFTZERO | MGADWG_RSTR | (0x0C << 16) | MGADWG_TRANSC;
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192
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193 colorkey = src->format->colorkey;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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194 switch (dst->format->BytesPerPixel) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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195 case 1:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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196 colorkey |= (colorkey << 8);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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197 case 2:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
198 colorkey |= (colorkey << 16);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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199 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
200 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
201 mga_wait(2);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1780
diff changeset
202 mga_out32(MGAREG_FCOL, colorkey);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1780
diff changeset
203 mga_out32(MGAREG_BCOL, 0xFFFFFFFF);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1780
diff changeset
204 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
205 blitop = MGADWG_BFCOL | MGADWG_BITBLT |
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1780
diff changeset
206 MGADWG_SHIFTZERO | MGADWG_RSTR | (0x0C << 16);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1780
diff changeset
207 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1780
diff changeset
208 mga_wait(7);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1780
diff changeset
209 mga_out32(MGAREG_SGN, sign);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1780
diff changeset
210 mga_out32(MGAREG_AR3, start);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1780
diff changeset
211 mga_out32(MGAREG_AR0, stop);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1780
diff changeset
212 mga_out32(MGAREG_AR5, skip);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1780
diff changeset
213 mga_out32(MGAREG_FXBNDRY, (dstX | ((dstX + w - 1) << 16)));
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1780
diff changeset
214 mga_out32(MGAREG_YDSTLEN, (dstY << 16) | h);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1780
diff changeset
215 mga_out32(MGAREG_DWGCTL + MGAREG_EXEC, blitop);
0
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diff changeset
216
1895
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diff changeset
217 FB_AddBusySurface(src);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1780
diff changeset
218 FB_AddBusySurface(dst);
106
63ec24e0575f Merged DGA video surface handling improvements, unified locking code.
Sam Lantinga <slouken@lokigames.com>
parents: 20
diff changeset
219
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1780
diff changeset
220 if (dst == this->screen) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1780
diff changeset
221 SDL_mutexV(hw_lock);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1780
diff changeset
222 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1780
diff changeset
223 return (0);
0
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diff changeset
224 }
74212992fb08 Initial revision
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diff changeset
225
1895
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diff changeset
226 static int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
227 CheckHWBlit(_THIS, SDL_Surface * src, SDL_Surface * dst)
0
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diff changeset
228 {
1895
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diff changeset
229 int accelerated;
0
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diff changeset
230
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
231 /* Set initial acceleration on */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
232 src->flags |= SDL_HWACCEL;
0
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233
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
234 /* Set the surface attributes */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1780
diff changeset
235 if ((src->flags & SDL_SRCALPHA) == SDL_SRCALPHA) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1780
diff changeset
236 if (!this->info.blit_hw_A) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1780
diff changeset
237 src->flags &= ~SDL_HWACCEL;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1780
diff changeset
238 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1780
diff changeset
239 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1780
diff changeset
240 if ((src->flags & SDL_SRCCOLORKEY) == SDL_SRCCOLORKEY) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1780
diff changeset
241 if (!this->info.blit_hw_CC) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1780
diff changeset
242 src->flags &= ~SDL_HWACCEL;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1780
diff changeset
243 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1780
diff changeset
244 }
0
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diff changeset
245
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
246 /* Check to see if final surface blit is accelerated */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1780
diff changeset
247 accelerated = !!(src->flags & SDL_HWACCEL);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1780
diff changeset
248 if (accelerated) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1780
diff changeset
249 src->map->hw_blit = HWAccelBlit;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1780
diff changeset
250 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1780
diff changeset
251 return (accelerated);
0
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diff changeset
252 }
74212992fb08 Initial revision
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diff changeset
253
1895
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diff changeset
254 void
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
255 FB_MatroxAccel(_THIS, __u32 card)
0
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diff changeset
256 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1780
diff changeset
257 /* We have hardware accelerated surface functions */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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258 this->CheckHWBlit = CheckHWBlit;
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259 wait_vbl = WaitVBL;
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260 wait_idle = WaitIdle;
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261
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262 /* The Matrox has an accelerated color fill */
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263 this->info.blit_fill = 1;
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264 this->FillHWRect = FillHWRect;
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265
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266 /* The Matrox has accelerated normal and colorkey blits. */
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267 this->info.blit_hw = 1;
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268 /* The Millenium I appears to do the colorkey test a word
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269 at a time, and the transparency is intverted. (?)
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270 */
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271 if (card != FB_ACCEL_MATROX_MGA2064W) {
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272 this->info.blit_hw_CC = 1;
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273 this->SetHWColorKey = SetHWColorKey;
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274 }
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275 #if 0 /* Not yet implemented? */
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276 /* The Matrox G200/G400 has an accelerated alpha blit */
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277 if ((card == FB_ACCEL_MATROX_MGAG200)
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278 || (card == FB_ACCEL_MATROX_MGAG400)) {
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279 this->info.blit_hw_A = 1;
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280 this->SetHWAlpha = SetHWAlpha;
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281 }
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282 #endif
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283 }
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284
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285 /* vi: set ts=4 sw=4 expandtab: */