annotate src/video/fbcon/SDL_fbriva.c @ 3235:d35b649858e0

David Carre to Sam Hello sam, me again. I'v fixed another bug in the pandora code, it's on the no-X videodriver, i forgot to add some code to destroy the window so it was impossible to reload SDL inside the same application (eglTerminate). You'll find the svn diff attached. See you, David.
author Sam Lantinga <slouken@libsdl.org>
date Tue, 11 Aug 2009 13:45:01 +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_fbriva.h"
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27 #include "riva_mmio.h"
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28 #include "riva_regs.h"
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31 static int FifoEmptyCount = 0;
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32 static int FifoFreeCount = 0;
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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 }
133
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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);
133
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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;
133
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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;
133
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154
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155 FB_AddBusySurface(src);
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156 FB_AddBusySurface(dst);
133
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157
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158 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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159 SDL_mutexV(hw_lock);
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160 }
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161 return (0);
133
5d4bafca35cd Added support for hardware accelerated NVidia driver on framebuffer console
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162 }
5d4bafca35cd Added support for hardware accelerated NVidia driver on framebuffer console
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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)
133
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166 {
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167 int accelerated;
133
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diff changeset
168
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169 /* Set initial acceleration on */
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170 src->flags |= SDL_HWACCEL;
133
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diff changeset
171
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172 /* Set the surface attributes */
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173 if ((src->flags & SDL_SRCALPHA) == SDL_SRCALPHA) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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174 if (!this->info.blit_hw_A) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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175 src->flags &= ~SDL_HWACCEL;
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176 }
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177 }
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diff changeset
178 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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diff changeset
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
1895
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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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diff changeset
189 return (accelerated);
133
5d4bafca35cd Added support for hardware accelerated NVidia driver on framebuffer console
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190 }
5d4bafca35cd Added support for hardware accelerated NVidia driver on framebuffer console
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191
1895
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diff changeset
192 void
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193 FB_RivaAccel(_THIS, __u32 card)
133
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194 {
1895
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195 RivaRop *Rop = (RivaRop *) (mapped_io + ROP_OFFSET);
133
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diff changeset
196
1895
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197 /* We have hardware accelerated surface functions */
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198 this->CheckHWBlit = CheckHWBlit;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
199 wait_vbl = WaitVBL;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
200 switch (card) {
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diff changeset
201 case FB_ACCEL_NV3:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
202 wait_idle = NV3WaitIdle;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
203 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
204 case FB_ACCEL_NV4:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
205 wait_idle = NV4WaitIdle;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
206 break;
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
207 default:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
208 /* Hmm... FIXME */
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diff changeset
209 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
210 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
211 FifoEmptyCount = Rop->FifoFree;
133
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diff changeset
212
1895
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diff changeset
213 /* The Riva has an accelerated color fill */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
214 this->info.blit_fill = 1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
215 this->FillHWRect = FillHWRect;
133
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diff changeset
216
1895
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diff changeset
217 /* The Riva has accelerated normal and colorkey blits. */
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diff changeset
218 this->info.blit_hw = 1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
219 #if 0 /* Not yet implemented? */
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diff changeset
220 this->info.blit_hw_CC = 1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
221 this->SetHWColorKey = SetHWColorKey;
133
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parents:
diff changeset
222 #endif
5d4bafca35cd Added support for hardware accelerated NVidia driver on framebuffer console
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diff changeset
223
1895
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diff changeset
224 #if 0 /* Not yet implemented? */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
225 /* The Riva has an accelerated alpha blit */
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diff changeset
226 this->info.blit_hw_A = 1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
227 this->SetHWAlpha = SetHWAlpha;
133
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diff changeset
228 #endif
5d4bafca35cd Added support for hardware accelerated NVidia driver on framebuffer console
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diff changeset
229 }
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
230
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
231 /* vi: set ts=4 sw=4 expandtab: */