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annotate src/video/sdlgenblit.pl @ 3583:65f66674b7fb

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Allocate memory only if we're going to overwrite an environment variable
author Sam Lantinga <slouken@libsdl.org>
date Wed, 16 Dec 2009 16:08:17 +0000
parents 99210400e8b9
children e743b9c3f6d6
rev   line source
1985
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1 #!/usr/bin/perl -w
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2 #
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3 # A script to generate optimized C blitters for Simple DirectMedia Layer
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4 # http://www.libsdl.org/
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5
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6 use warnings;
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7 use strict;
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8
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9 my %file;
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10
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11 # The formats potentially supported by this script:
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12 # SDL_PIXELFORMAT_INDEX8
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13 # SDL_PIXELFORMAT_RGB332
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14 # SDL_PIXELFORMAT_RGB444
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15 # SDL_PIXELFORMAT_RGB555
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16 # SDL_PIXELFORMAT_ARGB4444
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17 # SDL_PIXELFORMAT_ARGB1555
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18 # SDL_PIXELFORMAT_RGB565
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19 # SDL_PIXELFORMAT_RGB24
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20 # SDL_PIXELFORMAT_BGR24
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21 # SDL_PIXELFORMAT_RGB888
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22 # SDL_PIXELFORMAT_BGR888
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23 # SDL_PIXELFORMAT_ARGB8888
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24 # SDL_PIXELFORMAT_RGBA8888
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25 # SDL_PIXELFORMAT_ABGR8888
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26 # SDL_PIXELFORMAT_BGRA8888
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27 # SDL_PIXELFORMAT_ARGB2101010
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28
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29 # The formats we're actually creating blitters for:
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30 my @src_formats = (
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31 "RGB888",
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32 "BGR888",
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33 "ARGB8888",
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34 "RGBA8888",
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35 "ABGR8888",
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36 "BGRA8888",
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37 );
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38 my @dst_formats = (
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39 "RGB888",
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40 "BGR888",
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41 "ARGB8888",
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42 );
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43
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44 my %format_size = (
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45 "RGB888" => 4,
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46 "BGR888" => 4,
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47 "ARGB8888" => 4,
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48 "RGBA8888" => 4,
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49 "ABGR8888" => 4,
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50 "BGRA8888" => 4,
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51 );
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52
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53 my %format_type = (
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54 "RGB888" => "Uint32",
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55 "BGR888" => "Uint32",
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56 "ARGB8888" => "Uint32",
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57 "RGBA8888" => "Uint32",
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58 "ABGR8888" => "Uint32",
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59 "BGRA8888" => "Uint32",
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60 );
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61
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62 my %get_rgba_string = (
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63 "RGB888" => "_R = (Uint8)(_pixel >> 16); _G = (Uint8)(_pixel >> 8); _B = (Uint8)_pixel; _A = 0xFF;",
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64 "BGR888" => "_B = (Uint8)(_pixel >> 16); _G = (Uint8)(_pixel >> 8); _R = (Uint8)_pixel; _A = 0xFF;", "ARGB8888" => "_A = (Uint8)(_pixel >> 24); _R = (Uint8)(_pixel >> 16); _G = (Uint8)(_pixel >> 8); _B = (Uint8)_pixel;",
1985
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65 "RGBA8888" => "_R = (Uint8)(_pixel >> 24); _G = (Uint8)(_pixel >> 16); _B = (Uint8)(_pixel >> 8); _A = (Uint8)_pixel;",
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66 "ABGR8888" => "_A = (Uint8)(_pixel >> 24); _B = (Uint8)(_pixel >> 16); _G = (Uint8)(_pixel >> 8); _R = (Uint8)_pixel;",
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67 "BGRA8888" => "_B = (Uint8)(_pixel >> 24); _G = (Uint8)(_pixel >> 16); _R = (Uint8)(_pixel >> 8); _A = (Uint8)_pixel;",
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68 );
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69
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70 my %set_rgba_string = (
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71 "RGB888" => "_pixel = ((Uint32)_R << 16) | ((Uint32)_G << 8) | _B;",
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72 "BGR888" => "_pixel = ((Uint32)_B << 16) | ((Uint32)_G << 8) | _R;",
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73 "ARGB8888" => "_pixel = ((Uint32)_A << 24) | ((Uint32)_R << 16) | ((Uint32)_G << 8) | _B;",
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74 "RGBA8888" => "_pixel = ((Uint32)_R << 24) | ((Uint32)_G << 16) | ((Uint32)_B << 8) | _A;",
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75 "ABGR8888" => "_pixel = ((Uint32)_A << 24) | ((Uint32)_B << 16) | ((Uint32)_G << 8) | _R;",
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76 "BGRA8888" => "_pixel = ((Uint32)_B << 24) | ((Uint32)_G << 16) | ((Uint32)_R << 8) | _A;",
1985
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77 );
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78
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79 sub open_file {
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80 my $name = shift;
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81 open(FILE, ">$name.new") || die "Cant' open $name.new: $!";
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82 print FILE <<__EOF__;
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83 /* DO NOT EDIT! This file is generated by sdlgenblit.pl */
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84 /*
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85 SDL - Simple DirectMedia Layer
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86 Copyright (C) 1997-2009 Sam Lantinga
1985
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87
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88 This library is free software; you can redistribute it and/or
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89 modify it under the terms of the GNU Lesser General Public
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90 License as published by the Free Software Foundation; either
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91 version 2.1 of the License, or (at your option) any later version.
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92
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93 This library is distributed in the hope that it will be useful,
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94 but WITHOUT ANY WARRANTY; without even the implied warranty of
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95 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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96 Lesser General Public License for more details.
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97
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98 You should have received a copy of the GNU Lesser General Public
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99 License along with this library; if not, write to the Free Software
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100 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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101
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102 Sam Lantinga
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103 slouken\@libsdl.org
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104 */
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105 #include "SDL_config.h"
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106
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107 /* *INDENT-OFF* */
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108
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109 __EOF__
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110 }
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111
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112 sub close_file {
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113 my $name = shift;
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114 print FILE <<__EOF__;
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115 /* *INDENT-ON* */
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116
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117 /* vi: set ts=4 sw=4 expandtab: */
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118 __EOF__
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119 close FILE;
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120 if ( ! -f $name || system("cmp -s $name $name.new") != 0 ) {
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121 rename("$name.new", "$name");
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122 } else {
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123 unlink("$name.new");
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124 }
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125 }
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126
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127 sub output_copydefs
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128 {
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129 print FILE <<__EOF__;
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130 extern SDL_BlitFuncEntry SDL_GeneratedBlitFuncTable[];
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131 __EOF__
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132 }
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133
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134 sub output_copyfuncname
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135 {
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136 my $prefix = shift;
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137 my $src = shift;
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138 my $dst = shift;
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139 my $modulate = shift;
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140 my $blend = shift;
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141 my $scale = shift;
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142 my $args = shift;
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143 my $suffix = shift;
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144
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bee005ace1bf Work in progress: merging new texture features into SDL blit system
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145 print FILE "$prefix SDL_Blit_${src}_${dst}";
1985
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146 if ( $modulate ) {
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147 print FILE "_Modulate";
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
148 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
149 if ( $blend ) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
150 print FILE "_Blend";
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
151 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
152 if ( $scale ) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
153 print FILE "_Scale";
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
154 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
155 if ( $args ) {
2262
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parents: 1992
diff changeset
156 print FILE "(SDL_BlitInfo *info)";
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
157 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
158 print FILE "$suffix";
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
159 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
160
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
161 sub get_rgba
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
162 {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
163 my $prefix = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
164 my $format = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
165 my $string = $get_rgba_string{$format};
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
166 $string =~ s/_/$prefix/g;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
167 if ( $prefix ne "" ) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
168 print FILE <<__EOF__;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
169 ${prefix}pixel = *$prefix;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
170 __EOF__
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
171 } else {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
172 print FILE <<__EOF__;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
173 pixel = *src;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
174 __EOF__
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
175 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
176 print FILE <<__EOF__;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
177 $string
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
178 __EOF__
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
179 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
180
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
181 sub set_rgba
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
182 {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
183 my $prefix = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
184 my $format = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
185 my $string = $set_rgba_string{$format};
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
186 $string =~ s/_/$prefix/g;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
187 print FILE <<__EOF__;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
188 $string
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
189 *dst = ${prefix}pixel;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
190 __EOF__
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
191 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
192
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
193 sub output_copycore
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
194 {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
195 my $src = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
196 my $dst = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
197 my $modulate = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
198 my $blend = shift;
1989
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
199 my $s = "";
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
200 my $d = "";
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
201
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
202 # Nice and easy...
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
203 if ( $src eq $dst && !$modulate && !$blend ) {
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
204 print FILE <<__EOF__;
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
205 *dst = *src;
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
206 __EOF__
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
207 return;
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
208 }
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
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parents: 1992
diff changeset
209
1989
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
210 if ( $blend ) {
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
211 get_rgba("src", $src);
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
212 get_rgba("dst", $dst);
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
213 $s = "src";
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
214 $d = "dst";
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
215 } else {
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
216 get_rgba("", $src);
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
217 }
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
218
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
219 if ( $modulate ) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
220 print FILE <<__EOF__;
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents: 1992
diff changeset
221 if (flags & SDL_COPY_MODULATE_COLOR) {
1989
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
222 ${s}R = (${s}R * modulateR) / 255;
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
223 ${s}G = (${s}G * modulateG) / 255;
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
224 ${s}B = (${s}B * modulateB) / 255;
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
225 }
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents: 1992
diff changeset
226 if (flags & SDL_COPY_MODULATE_ALPHA) {
1989
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
227 ${s}A = (${s}A * modulateA) / 255;
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
228 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
229 __EOF__
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
230 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
231 if ( $blend ) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
232 print FILE <<__EOF__;
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
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parents: 1992
diff changeset
233 if (flags & (SDL_COPY_BLEND|SDL_COPY_ADD)) {
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
234 /* This goes away if we ever use premultiplied alpha */
1989
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
235 if (${s}A < 255) {
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
236 ${s}R = (${s}R * ${s}A) / 255;
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
237 ${s}G = (${s}G * ${s}A) / 255;
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
238 ${s}B = (${s}B * ${s}A) / 255;
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
239 }
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
240 }
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents: 1992
diff changeset
241 switch (flags & (SDL_COPY_MASK|SDL_COPY_BLEND|SDL_COPY_ADD|SDL_COPY_MOD)) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents: 1992
diff changeset
242 case SDL_COPY_MASK:
1989
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
243 if (${s}A) {
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
244 ${d}R = ${s}R;
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
245 ${d}G = ${s}G;
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
246 ${d}B = ${s}B;
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
247 }
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
248 break;
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents: 1992
diff changeset
249 case SDL_COPY_BLEND:
1989
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
250 ${d}R = ${s}R + ((255 - ${s}A) * ${d}R) / 255;
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
251 ${d}G = ${s}G + ((255 - ${s}A) * ${d}G) / 255;
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
252 ${d}B = ${s}B + ((255 - ${s}A) * ${d}B) / 255;
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
253 break;
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents: 1992
diff changeset
254 case SDL_COPY_ADD:
1989
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
255 ${d}R = ${s}R + ${d}R; if (${d}R > 255) ${d}R = 255;
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
256 ${d}G = ${s}G + ${d}G; if (${d}G > 255) ${d}G = 255;
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
257 ${d}B = ${s}B + ${d}B; if (${d}B > 255) ${d}B = 255;
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
258 break;
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents: 1992
diff changeset
259 case SDL_COPY_MOD:
1989
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
260 ${d}R = (${s}R * ${d}R) / 255;
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
261 ${d}G = (${s}G * ${d}G) / 255;
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
262 ${d}B = (${s}B * ${d}B) / 255;
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
263 break;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
264 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
265 __EOF__
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
266 }
1989
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
267 if ( $blend ) {
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
268 set_rgba("dst", $dst);
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
269 } else {
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
270 set_rgba("", $dst);
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
271 }
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
272 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
273
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
274 sub output_copyfunc
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
275 {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
276 my $src = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
277 my $dst = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
278 my $modulate = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
279 my $blend = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
280 my $scale = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
281
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
282 output_copyfuncname("static void", $src, $dst, $modulate, $blend, $scale, 1, "\n");
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
283 print FILE <<__EOF__;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
284 {
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents: 1992
diff changeset
285 const int flags = info->flags;
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
286 __EOF__
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
287 if ( $modulate ) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
288 print FILE <<__EOF__;
2262
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Sam Lantinga <slouken@libsdl.org>
parents: 1992
diff changeset
289 const Uint32 modulateR = info->r;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents: 1992
diff changeset
290 const Uint32 modulateG = info->g;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents: 1992
diff changeset
291 const Uint32 modulateB = info->b;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents: 1992
diff changeset
292 const Uint32 modulateA = info->a;
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
293 __EOF__
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
294 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
295 if ( $blend ) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
296 print FILE <<__EOF__;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
297 Uint32 srcpixel;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
298 Uint32 srcR, srcG, srcB, srcA;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
299 Uint32 dstpixel;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
300 Uint32 dstR, dstG, dstB, dstA;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
301 __EOF__
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
302 } elsif ( $modulate || $src ne $dst ) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
303 print FILE <<__EOF__;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
304 Uint32 pixel;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
305 Uint32 R, G, B, A;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
306 __EOF__
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
307 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
308 if ( $scale ) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
309 print FILE <<__EOF__;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
310 int srcy, srcx;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
311 int posy, posx;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
312 int incy, incx;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
313
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
314 srcy = 0;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
315 posy = 0;
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents: 1992
diff changeset
316 incy = (info->src_h << 16) / info->dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents: 1992
diff changeset
317 incx = (info->src_w << 16) / info->dst_w;
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
318
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents: 1992
diff changeset
319 while (info->dst_h--) {
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
320 $format_type{$src} *src;
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents: 1992
diff changeset
321 $format_type{$dst} *dst = ($format_type{$dst} *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents: 1992
diff changeset
322 int n = info->dst_w;
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
323 srcx = -1;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
324 posx = 0x10000L;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
325 while (posy >= 0x10000L) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
326 ++srcy;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
327 posy -= 0x10000L;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
328 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
329 while (n--) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
330 if (posx >= 0x10000L) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
331 while (posx >= 0x10000L) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
332 ++srcx;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
333 posx -= 0x10000L;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
334 }
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents: 1992
diff changeset
335 src = ($format_type{$src} *)(info->src + (srcy * info->src_pitch) + (srcx * $format_size{$src}));
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
336 __EOF__
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
337 print FILE <<__EOF__;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
338 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
339 __EOF__
1989
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
340 output_copycore($src, $dst, $modulate, $blend);
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
341 print FILE <<__EOF__;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
342 posx += incx;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
343 ++dst;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
344 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
345 posy += incy;
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents: 1992
diff changeset
346 info->dst += info->dst_pitch;
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
347 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
348 __EOF__
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
349 } else {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
350 print FILE <<__EOF__;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
351
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents: 1992
diff changeset
352 while (info->dst_h--) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents: 1992
diff changeset
353 $format_type{$src} *src = ($format_type{$src} *)info->src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents: 1992
diff changeset
354 $format_type{$dst} *dst = ($format_type{$dst} *)info->dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents: 1992
diff changeset
355 int n = info->dst_w;
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
356 while (n--) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
357 __EOF__
1989
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
358 output_copycore($src, $dst, $modulate, $blend);
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
359 print FILE <<__EOF__;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
360 ++src;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
361 ++dst;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
362 }
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents: 1992
diff changeset
363 info->src += info->src_pitch;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents: 1992
diff changeset
364 info->dst += info->dst_pitch;
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
365 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
366 __EOF__
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
367 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
368 print FILE <<__EOF__;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
369 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
370
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
371 __EOF__
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
372 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
373
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
374 sub output_copyfunc_h
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
375 {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
376 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
377
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
378 sub output_copyinc
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
379 {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
380 print FILE <<__EOF__;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
381 #include "SDL_video.h"
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents: 1992
diff changeset
382 #include "SDL_blit.h"
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents: 1992
diff changeset
383 #include "SDL_blit_auto.h"
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
384
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
385 __EOF__
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
386 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
387
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
388 sub output_copyfunctable
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
389 {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
390 print FILE <<__EOF__;
2267
c785543d1843 Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents: 2263
diff changeset
391 SDL_BlitFuncEntry SDL_GeneratedBlitFuncTable[] = {
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
392 __EOF__
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
393 for (my $i = 0; $i <= $#src_formats; ++$i) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
394 my $src = $src_formats[$i];
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
395 for (my $j = 0; $j <= $#dst_formats; ++$j) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
396 my $dst = $dst_formats[$j];
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
397 for (my $modulate = 0; $modulate <= 1; ++$modulate) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
398 for (my $blend = 0; $blend <= 1; ++$blend) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
399 for (my $scale = 0; $scale <= 1; ++$scale) {
1992
7387e0514595 Take advantage of the existing SDL blitters for normal copy blits.
Sam Lantinga <slouken@libsdl.org>
parents: 1989
diff changeset
400 if ( $modulate || $blend || $scale ) {
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
401 print FILE " { SDL_PIXELFORMAT_$src, SDL_PIXELFORMAT_$dst, ";
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents: 1992
diff changeset
402 my $flags = "";
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents: 1992
diff changeset
403 my $flag = "";
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
404 if ( $modulate ) {
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents: 1992
diff changeset
405 $flag = "SDL_COPY_MODULATE_COLOR | SDL_COPY_MODULATE_ALPHA";
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents: 1992
diff changeset
406 if ( $flags eq "" ) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents: 1992
diff changeset
407 $flags = $flag;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents: 1992
diff changeset
408 } else {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents: 1992
diff changeset
409 $flags = "$flags | $flag";
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents: 1992
diff changeset
410 }
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
411 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
412 if ( $blend ) {
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents: 1992
diff changeset
413 $flag = "SDL_COPY_MASK | SDL_COPY_BLEND | SDL_COPY_ADD | SDL_COPY_MOD";
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents: 1992
diff changeset
414 if ( $flags eq "" ) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents: 1992
diff changeset
415 $flags = $flag;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents: 1992
diff changeset
416 } else {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents: 1992
diff changeset
417 $flags = "$flags | $flag";
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents: 1992
diff changeset
418 }
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
419 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
420 if ( $scale ) {
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents: 1992
diff changeset
421 $flag = "SDL_COPY_NEAREST";
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents: 1992
diff changeset
422 if ( $flags eq "" ) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents: 1992
diff changeset
423 $flags = $flag;
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents: 1992
diff changeset
424 } else {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents: 1992
diff changeset
425 $flags = "$flags | $flag";
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents: 1992
diff changeset
426 }
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
427 }
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents: 1992
diff changeset
428 if ( $flags eq "" ) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents: 1992
diff changeset
429 $flags = "0";
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents: 1992
diff changeset
430 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents: 1992
diff changeset
431 print FILE "($flags), SDL_CPU_ANY,";
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
432 output_copyfuncname("", $src_formats[$i], $dst_formats[$j], $modulate, $blend, $scale, 0, " },\n");
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
433 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
434 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
435 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
436 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
437 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
438 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
439 print FILE <<__EOF__;
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents: 1992
diff changeset
440 { 0, 0, 0, 0, NULL }
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
441 };
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
442
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
443 __EOF__
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
444 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
445
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
446 sub output_copyfunc_c
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
447 {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
448 my $src = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
449 my $dst = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
450
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
451 for (my $modulate = 0; $modulate <= 1; ++$modulate) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
452 for (my $blend = 0; $blend <= 1; ++$blend) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
453 for (my $scale = 0; $scale <= 1; ++$scale) {
1992
7387e0514595 Take advantage of the existing SDL blitters for normal copy blits.
Sam Lantinga <slouken@libsdl.org>
parents: 1989
diff changeset
454 if ( $modulate || $blend || $scale ) {
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
455 output_copyfunc($src, $dst, $modulate, $blend, $scale);
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
456 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
457 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
458 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
459 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
460 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
461
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents: 1992
diff changeset
462 open_file("SDL_blit_auto.h");
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
463 output_copydefs();
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
464 for (my $i = 0; $i <= $#src_formats; ++$i) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
465 for (my $j = 0; $j <= $#dst_formats; ++$j) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
466 output_copyfunc_h($src_formats[$i], $dst_formats[$j]);
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
467 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
468 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
469 print FILE "\n";
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents: 1992
diff changeset
470 close_file("SDL_blit_auto.h");
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
471
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents: 1992
diff changeset
472 open_file("SDL_blit_auto.c");
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
473 output_copyinc();
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
474 for (my $i = 0; $i <= $#src_formats; ++$i) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
475 for (my $j = 0; $j <= $#dst_formats; ++$j) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
476 output_copyfunc_c($src_formats[$i], $dst_formats[$j]);
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
477 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
478 }
2263
900c35d8e8fd More work in progress, still doesn't compile...
Sam Lantinga <slouken@libsdl.org>
parents: 2262
diff changeset
479 output_copyfunctable();
2262
bee005ace1bf Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents: 1992
diff changeset
480 close_file("SDL_blit_auto.c");