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annotate src/video/sdlgenblit.pl @ 1988:1ee02169bbb0

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Figured out how texture stages work, thanks to this: http://www.toymaker.info/Games/html/texture_states.html Both color and alpha source modulation work now! :)
author Sam Lantinga <slouken@libsdl.org>
date Mon, 28 Aug 2006 04:39:37 +0000
parents 8055185ae4ed
children 5b5f5de5433f
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 );
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42
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43 my %format_size = (
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44 "RGB888" => 4,
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45 "BGR888" => 4,
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46 "ARGB8888" => 4,
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47 "RGBA8888" => 4,
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48 "ABGR8888" => 4,
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49 "BGRA8888" => 4,
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50 );
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51
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52 my %format_type = (
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53 "RGB888" => "Uint32",
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54 "BGR888" => "Uint32",
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55 "ARGB8888" => "Uint32",
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56 "RGBA8888" => "Uint32",
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57 "ABGR8888" => "Uint32",
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58 "BGRA8888" => "Uint32",
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59 );
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60
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61 my %get_rgba_string = (
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62 "RGB888" => "_R = (Uint8)(_pixel >> 16); _G = (Uint8)(_pixel >> 8); _B = (Uint8)_pixel; _A = 0xFF;",
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63 "BGR888" => "_B = (Uint8)(_pixel >> 16); _G = (Uint8)(_pixel >> 8); _R = (Uint8)_pixel; _A = 0xFF;",
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64 "ARGB8888" => "_A = (Uint8)(_pixel >> 24); _R = (Uint8)(_pixel >> 16); _G = (Uint8)(_pixel >> 8); _B = (Uint8)_pixel;",
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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 );
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74
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75 sub open_file {
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76 my $name = shift;
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77 open(FILE, ">$name.new") || die "Cant' open $name.new: $!";
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78 print FILE <<__EOF__;
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79 /* DO NOT EDIT! This file is generated by sdlgenblit.pl */
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80 /*
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81 SDL - Simple DirectMedia Layer
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82 Copyright (C) 1997-2006 Sam Lantinga
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83
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84 This library is free software; you can redistribute it and/or
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85 modify it under the terms of the GNU Lesser General Public
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86 License as published by the Free Software Foundation; either
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87 version 2.1 of the License, or (at your option) any later version.
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88
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89 This library is distributed in the hope that it will be useful,
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90 but WITHOUT ANY WARRANTY; without even the implied warranty of
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91 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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92 Lesser General Public License for more details.
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93
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94 You should have received a copy of the GNU Lesser General Public
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95 License along with this library; if not, write to the Free Software
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96 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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97
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98 Sam Lantinga
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99 slouken\@libsdl.org
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100 */
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101 #include "SDL_config.h"
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102
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103 /* *INDENT-OFF* */
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104
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105 __EOF__
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106 }
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107
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108 sub close_file {
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109 my $name = shift;
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110 print FILE <<__EOF__;
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111 /* *INDENT-ON* */
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112
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113 /* vi: set ts=4 sw=4 expandtab: */
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114 __EOF__
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115 close FILE;
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116 if ( ! -f $name || system("cmp -s $name $name.new") != 0 ) {
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117 rename("$name.new", "$name");
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118 } else {
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119 unlink("$name.new");
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120 }
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121 }
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122
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123 sub output_copydefs
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124 {
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125 print FILE <<__EOF__;
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126 #define SDL_RENDERCOPY_MODULATE_COLOR 0x0001
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127 #define SDL_RENDERCOPY_MODULATE_ALPHA 0x0002
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128 #define SDL_RENDERCOPY_BLEND 0x0010
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129 #define SDL_RENDERCOPY_ADD 0x0020
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130 #define SDL_RENDERCOPY_MOD 0x0040
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131 #define SDL_RENDERCOPY_NEAREST 0x0100
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132
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133 typedef struct {
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134 void *src;
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135 int src_w, src_h;
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136 int src_pitch;
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137 void *dst;
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138 int dst_w, dst_h;
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139 int dst_pitch;
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140 void *aux_data;
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141 int flags;
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142 Uint8 r, g, b, a;
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143 } SDL_RenderCopyData;
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144
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145 typedef int (*SDL_RenderCopyFunc)(SDL_RenderCopyData *data);
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146
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147 extern SDL_RenderCopyFunc SDLCALL SDL_GetRenderCopyFunc(Uint32 src_format, Uint32 dst_format, int modMode, int blendMode, int scaleMode);
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148
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149 __EOF__
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150 }
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 sub output_copyfuncname
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
153 {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
154 my $prefix = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
155 my $src = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
156 my $dst = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
157 my $modulate = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
158 my $blend = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
159 my $scale = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
160 my $args = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
161 my $suffix = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
162
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
163 print FILE "$prefix SDL_RenderCopy_${src}_${dst}";
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
164 if ( $modulate ) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
165 print FILE "_Modulate";
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
166 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
167 if ( $blend ) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
168 print FILE "_Blend";
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
169 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
170 if ( $scale ) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
171 print FILE "_Scale";
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
172 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
173 if ( $args ) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
174 print FILE "(SDL_RenderCopyData *data)";
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
175 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
176 print FILE "$suffix";
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
177 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
178
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
179 sub get_rgba
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 my $prefix = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
182 my $format = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
183 my $string = $get_rgba_string{$format};
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
184 $string =~ s/_/$prefix/g;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
185 if ( $prefix ne "" ) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
186 print FILE <<__EOF__;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
187 ${prefix}pixel = *$prefix;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
188 __EOF__
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
189 } else {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
190 print FILE <<__EOF__;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
191 pixel = *src;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
192 __EOF__
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
193 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
194 print FILE <<__EOF__;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
195 $string
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
196 __EOF__
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
197 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
198
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
199 sub set_rgba
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
200 {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
201 my $prefix = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
202 my $format = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
203 my $string = $set_rgba_string{$format};
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
204 $string =~ s/_/$prefix/g;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
205 print FILE <<__EOF__;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
206 $string
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
207 *dst = ${prefix}pixel;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
208 __EOF__
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
209 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
210
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
211 sub output_copycore
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
212 {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
213 my $src = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
214 my $dst = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
215 my $modulate = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
216 my $blend = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
217 if ( $modulate ) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
218 print FILE <<__EOF__;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
219 if (flags & SDL_RENDERCOPY_MODULATE_COLOR) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
220 ${src}R = (${src}R * modulateR) / 255;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
221 ${src}G = (${src}G * modulateG) / 255;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
222 ${src}B = (${src}B * modulateB) / 255;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
223 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
224 __EOF__
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
225 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
226 if ( $modulate && $blend ) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
227 print FILE <<__EOF__;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
228 if (flags & SDL_RENDERCOPY_MODULATE_ALPHA) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
229 ${src}A = (${src}A * modulateA) / 255;
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 __EOF__
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
232 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
233 if ( $blend ) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
234 print FILE <<__EOF__;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
235 if (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD)) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
236 /* This goes away if we ever use premultiplied alpha */
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
237 ${src}R = (${src}R * ${src}A) / 255;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
238 ${src}G = (${src}G * ${src}A) / 255;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
239 ${src}B = (${src}B * ${src}A) / 255;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
240 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
241 switch (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
242 case SDL_RENDERCOPY_BLEND:
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
243 ${dst}R = ${src}R + ((255 - ${src}A) * ${dst}R) / 255;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
244 ${dst}G = ${src}G + ((255 - ${src}A) * ${dst}G) / 255;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
245 ${dst}B = ${src}B + ((255 - ${src}A) * ${dst}B) / 255;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
246 break;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
247 case SDL_RENDERCOPY_ADD:
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
248 ${dst}R = ${src}R + ${dst}R; if (${dst}R > 255) ${dst}R = 255;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
249 ${dst}G = ${src}G + ${dst}G; if (${dst}G > 255) ${dst}G = 255;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
250 ${dst}B = ${src}B + ${dst}B; if (${dst}B > 255) ${dst}B = 255;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
251 break;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
252 case SDL_RENDERCOPY_MOD:
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
253 ${dst}R = (${src}R * ${dst}R) / 255;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
254 ${dst}G = (${src}G * ${dst}G) / 255;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
255 ${dst}B = (${src}B * ${dst}B) / 255;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
256 break;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
257 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
258 __EOF__
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
259 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
260 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
261
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
262 sub output_copyfunc
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
263 {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
264 my $src = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
265 my $dst = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
266 my $modulate = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
267 my $blend = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
268 my $scale = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
269
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
270 output_copyfuncname("int", $src, $dst, $modulate, $blend, $scale, 1, "\n");
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
271 print FILE <<__EOF__;
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 const int flags = data->flags;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
274 __EOF__
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
275 if ( $modulate ) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
276 print FILE <<__EOF__;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
277 const Uint32 modulateR = data->r;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
278 const Uint32 modulateG = data->g;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
279 const Uint32 modulateB = data->b;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
280 const Uint32 modulateA = data->a;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
281 __EOF__
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
282 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
283 if ( $blend ) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
284 print FILE <<__EOF__;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
285 Uint32 srcpixel;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
286 Uint32 srcR, srcG, srcB, srcA;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
287 Uint32 dstpixel;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
288 Uint32 dstR, dstG, dstB, dstA;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
289 __EOF__
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
290 } elsif ( $modulate || $src ne $dst ) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
291 print FILE <<__EOF__;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
292 Uint32 pixel;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
293 Uint32 R, G, B, A;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
294 __EOF__
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
295 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
296 if ( $scale ) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
297 print FILE <<__EOF__;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
298 int srcy, srcx;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
299 int posy, posx;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
300 int incy, incx;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
301
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
302 srcy = 0;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
303 posy = 0;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
304 incy = (data->src_h << 16) / data->dst_h;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
305 incx = (data->src_w << 16) / data->dst_w;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
306
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
307 while (data->dst_h--) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
308 $format_type{$src} *src;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
309 $format_type{$dst} *dst = ($format_type{$dst} *)data->dst;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
310 int n = data->dst_w;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
311 srcx = -1;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
312 posx = 0x10000L;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
313 while (posy >= 0x10000L) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
314 ++srcy;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
315 posy -= 0x10000L;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
316 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
317 while (n--) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
318 if (posx >= 0x10000L) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
319 while (posx >= 0x10000L) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
320 ++srcx;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
321 posx -= 0x10000L;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
322 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
323 src = ($format_type{$src} *)(data->src + (srcy * data->src_pitch) + (srcx * $format_size{$src}));
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
324 __EOF__
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
325 print FILE <<__EOF__;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
326 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
327 __EOF__
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
328 if ( $blend ) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
329 get_rgba("src", $src);
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
330 get_rgba("dst", $dst);
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
331 output_copycore("src", "dst", $modulate, $blend);
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
332 set_rgba("dst", $dst);
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
333 } elsif ( $modulate || $src ne $dst ) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
334 get_rgba("", $src);
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
335 output_copycore("", "", $modulate, $blend);
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
336 set_rgba("", $dst);
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
337 } else {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
338 print FILE <<__EOF__;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
339 *dst = *src;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
340 __EOF__
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
341 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
342 print FILE <<__EOF__;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
343 posx += incx;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
344 ++dst;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
345 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
346 posy += incy;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
347 data->dst += data->dst_pitch;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
348 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
349 __EOF__
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
350 } else {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
351 print FILE <<__EOF__;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
352
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
353 while (data->dst_h--) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
354 $format_type{$src} *src = ($format_type{$src} *)data->src;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
355 $format_type{$dst} *dst = ($format_type{$dst} *)data->dst;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
356 int n = data->dst_w;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
357 while (n--) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
358 __EOF__
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
359 if ( $blend ) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
360 get_rgba("src", $src);
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
361 get_rgba("dst", $dst);
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
362 output_copycore("src", "dst", $modulate, $blend);
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
363 set_rgba("dst", $dst);
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
364 } elsif ( $modulate || $src ne $dst ) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
365 get_rgba("", $src);
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
366 output_copycore("", "", $modulate, $blend);
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
367 set_rgba("", $dst);
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
368 } else {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
369 print FILE <<__EOF__;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
370 *dst = *src;
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 print FILE <<__EOF__;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
374 ++src;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
375 ++dst;
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 data->src += data->src_pitch;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
378 data->dst += data->dst_pitch;
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 __EOF__
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
381 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
382 print FILE <<__EOF__;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
383 return 0;
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
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
386 __EOF__
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
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
389 sub output_copyfunc_h
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
390 {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
391 my $src = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
392 my $dst = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
393 for (my $modulate = 0; $modulate <= 1; ++$modulate) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
394 for (my $blend = 0; $blend <= 1; ++$blend) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
395 for (my $scale = 0; $scale <= 1; ++$scale) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
396 if ( $modulate != 0 || $blend != 0 || $scale != 0 || $src ne $dst ) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
397 output_copyfuncname("extern int SDLCALL", $src, $dst, $modulate, $blend, $scale, 1, ";\n");
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
398 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
399 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
400 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
401 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
402 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
403
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
404 sub output_copyinc
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
405 {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
406 print FILE <<__EOF__;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
407 #include "SDL_video.h"
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
408 #include "SDL_rendercopy.h"
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
409
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
410 __EOF__
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
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
413 sub output_copyfunctable
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
414 {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
415 print FILE <<__EOF__;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
416 static struct {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
417 Uint32 src_format;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
418 Uint32 dst_format;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
419 int modMode;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
420 int blendMode;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
421 int scaleMode;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
422 SDL_RenderCopyFunc func;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
423 } SDL_RenderCopyFuncTable[] = {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
424 __EOF__
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
425 for (my $i = 0; $i <= $#src_formats; ++$i) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
426 my $src = $src_formats[$i];
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
427 for (my $j = 0; $j <= $#dst_formats; ++$j) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
428 my $dst = $dst_formats[$j];
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
429 for (my $modulate = 0; $modulate <= 1; ++$modulate) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
430 for (my $blend = 0; $blend <= 1; ++$blend) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
431 for (my $scale = 0; $scale <= 1; ++$scale) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
432 if ( $modulate != 0 || $blend != 0 || $scale != 0 || $src ne $dst ) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
433 print FILE " { SDL_PIXELFORMAT_$src, SDL_PIXELFORMAT_$dst, ";
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
434 if ( $modulate ) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
435 print FILE "(SDL_TEXTUREMODULATE_COLOR | SDL_TEXTUREMODULATE_ALPHA), ";
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
436 } else {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
437 print FILE "0, ";
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 if ( $blend ) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
440 print FILE "(SDL_TEXTUREBLENDMODE_MASK | SDL_TEXTUREBLENDMODE_BLEND | SDL_TEXTUREBLENDMODE_ADD | SDL_TEXTUREBLENDMODE_MOD), ";
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
441 } else {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
442 print FILE "0, ";
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
443 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
444 if ( $scale ) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
445 print FILE "SDL_TEXTURESCALEMODE_FAST, ";
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
446 } else {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
447 print FILE "0, ";
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
448 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
449 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
450 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
451 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
452 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
453 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
454 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
455 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
456 print FILE <<__EOF__;
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 SDL_RenderCopyFunc SDL_GetRenderCopyFunc(Uint32 src_format, Uint32 dst_format, int modMode, int blendMode, int scaleMode)
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 int i;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
462
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
463 for (i = 0; i < SDL_arraysize(SDL_RenderCopyFuncTable); ++i) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
464 if (src_format != SDL_RenderCopyFuncTable[i].src_format) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
465 continue;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
466 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
467 if (dst_format != SDL_RenderCopyFuncTable[i].dst_format) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
468 continue;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
469 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
470 if ((modMode & SDL_RenderCopyFuncTable[i].modMode) != modMode) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
471 continue;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
472 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
473 if ((blendMode & SDL_RenderCopyFuncTable[i].blendMode) != blendMode) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
474 continue;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
475 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
476 if ((scaleMode & SDL_RenderCopyFuncTable[i].scaleMode) != scaleMode) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
477 continue;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
478 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
479 return SDL_RenderCopyFuncTable[i].func;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
480 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
481 return NULL;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
482 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
483
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
484 __EOF__
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
485 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
486
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
487 sub output_copyfunc_c
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
488 {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
489 my $src = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
490 my $dst = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
491
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
492 for (my $modulate = 0; $modulate <= 1; ++$modulate) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
493 for (my $blend = 0; $blend <= 1; ++$blend) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
494 for (my $scale = 0; $scale <= 1; ++$scale) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
495 if ( $modulate != 0 || $blend != 0 || $scale != 0 || $src ne $dst ) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
496 output_copyfunc($src, $dst, $modulate, $blend, $scale);
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
497 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
498 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
499 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
500 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
501 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
502
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
503 open_file("SDL_rendercopy.h");
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
504 output_copydefs();
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
505 for (my $i = 0; $i <= $#src_formats; ++$i) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
506 for (my $j = 0; $j <= $#dst_formats; ++$j) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
507 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
508 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
509 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
510 print FILE "\n";
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
511 close_file("SDL_rendercopy.h");
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
512
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
513 open_file("SDL_rendercopy.c");
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
514 output_copyinc();
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
515 output_copyfunctable();
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
516 for (my $i = 0; $i <= $#src_formats; ++$i) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
517 for (my $j = 0; $j <= $#dst_formats; ++$j) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
518 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
519 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
520 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
521 close_file("SDL_rendercopy.c");