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annotate src/video/fbcon/SDL_fbmatrox.c @ 3197:434ce3242e1c

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Alexei Tereschenko Why not to use hardware vertex processing instead of software one if it is available in D3D render driver? With hardware processing testsprite2 runs three times faster on all videocards which I could test.
author Sam Lantinga <slouken@libsdl.org>
date Tue, 16 Jun 2009 14:34:15 +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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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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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
1895
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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;
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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;
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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);
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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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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;
0
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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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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;
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200 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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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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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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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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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.
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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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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;
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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.
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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.
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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
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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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.
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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.
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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.
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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: */