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annotate src/video/sdlgenblit.pl @ 2093:cdaeb26ed66a

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Merged r2981:2982 from branches/SDL-1.2: fbcon getpagesize() compile fix.
author Ryan C. Gordon <icculus@icculus.org>
date Thu, 15 Feb 2007 23:57:07 +0000
parents 7387e0514595
children bee005ace1bf
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
1989
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128 #define SDL_RENDERCOPY_MASK 0x0010
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129 #define SDL_RENDERCOPY_BLEND 0x0020
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130 #define SDL_RENDERCOPY_ADD 0x0040
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131 #define SDL_RENDERCOPY_MOD 0x0080
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132 #define SDL_RENDERCOPY_NEAREST 0x0100
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133
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134 typedef struct {
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135 void *src;
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136 int src_w, src_h;
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137 int src_pitch;
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138 void *dst;
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139 int dst_w, dst_h;
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140 int dst_pitch;
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141 void *aux_data;
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142 int flags;
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143 Uint8 r, g, b, a;
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144 } SDL_RenderCopyData;
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145
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146 typedef int (*SDL_RenderCopyFunc)(SDL_RenderCopyData *data);
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147
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148 extern SDL_RenderCopyFunc SDLCALL SDL_GetRenderCopyFunc(Uint32 src_format, Uint32 dst_format, int modMode, int blendMode, int scaleMode);
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149
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diff changeset
150 __EOF__
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
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
153 sub output_copyfuncname
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 my $prefix = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
156 my $src = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
157 my $dst = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
158 my $modulate = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
159 my $blend = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
160 my $scale = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
161 my $args = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
162 my $suffix = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
163
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
164 print FILE "$prefix SDL_RenderCopy_${src}_${dst}";
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
165 if ( $modulate ) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
166 print FILE "_Modulate";
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
167 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
168 if ( $blend ) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
169 print FILE "_Blend";
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
170 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
171 if ( $scale ) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
172 print FILE "_Scale";
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
173 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
174 if ( $args ) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
175 print FILE "(SDL_RenderCopyData *data)";
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
176 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
177 print FILE "$suffix";
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
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
180 sub get_rgba
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
181 {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
182 my $prefix = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
183 my $format = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
184 my $string = $get_rgba_string{$format};
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
185 $string =~ s/_/$prefix/g;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
186 if ( $prefix ne "" ) {
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 ${prefix}pixel = *$prefix;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
189 __EOF__
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
190 } else {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
191 print FILE <<__EOF__;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
192 pixel = *src;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
193 __EOF__
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 print FILE <<__EOF__;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
196 $string
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
197 __EOF__
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
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
200 sub set_rgba
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
201 {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
202 my $prefix = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
203 my $format = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
204 my $string = $set_rgba_string{$format};
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
205 $string =~ s/_/$prefix/g;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
206 print FILE <<__EOF__;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
207 $string
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
208 *dst = ${prefix}pixel;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
209 __EOF__
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
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
212 sub output_copycore
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
213 {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
214 my $src = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
215 my $dst = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
216 my $modulate = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
217 my $blend = shift;
1989
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
218 my $s = "";
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
219 my $d = "";
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
220
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
221 # Nice and easy...
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
222 if ( $src eq $dst && !$modulate && !$blend ) {
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
223 print FILE <<__EOF__;
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
224 *dst = *src;
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
225 __EOF__
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
226 return;
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
227 }
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
228
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
229 if ( $blend ) {
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
230 get_rgba("src", $src);
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
231 get_rgba("dst", $dst);
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
232 $s = "src";
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
233 $d = "dst";
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
234 } else {
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
235 get_rgba("", $src);
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
236 }
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
237
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
238 if ( $modulate ) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
239 print FILE <<__EOF__;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
240 if (flags & SDL_RENDERCOPY_MODULATE_COLOR) {
1989
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
241 ${s}R = (${s}R * modulateR) / 255;
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
242 ${s}G = (${s}G * modulateG) / 255;
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
243 ${s}B = (${s}B * modulateB) / 255;
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
244 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
245 if (flags & SDL_RENDERCOPY_MODULATE_ALPHA) {
1989
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
246 ${s}A = (${s}A * modulateA) / 255;
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
247 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
248 __EOF__
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
249 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
250 if ( $blend ) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
251 print FILE <<__EOF__;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
252 if (flags & (SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD)) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
253 /* This goes away if we ever use premultiplied alpha */
1989
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
254 if (${s}A < 255) {
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
255 ${s}R = (${s}R * ${s}A) / 255;
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
256 ${s}G = (${s}G * ${s}A) / 255;
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
257 ${s}B = (${s}B * ${s}A) / 255;
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
258 }
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
259 }
1989
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
260 switch (flags & (SDL_RENDERCOPY_MASK|SDL_RENDERCOPY_BLEND|SDL_RENDERCOPY_ADD|SDL_RENDERCOPY_MOD)) {
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
261 case SDL_RENDERCOPY_MASK:
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
262 if (${s}A) {
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
263 ${d}R = ${s}R;
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
264 ${d}G = ${s}G;
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
265 ${d}B = ${s}B;
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
266 }
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
267 break;
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
268 case SDL_RENDERCOPY_BLEND:
1989
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
269 ${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
270 ${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
271 ${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
272 break;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
273 case SDL_RENDERCOPY_ADD:
1989
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
274 ${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
275 ${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
276 ${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
277 break;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
278 case SDL_RENDERCOPY_MOD:
1989
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
279 ${d}R = (${s}R * ${d}R) / 255;
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
280 ${d}G = (${s}G * ${d}G) / 255;
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
281 ${d}B = (${s}B * ${d}B) / 255;
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
282 break;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
283 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
284 __EOF__
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
285 }
1989
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
286 if ( $blend ) {
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
287 set_rgba("dst", $dst);
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
288 } else {
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
289 set_rgba("", $dst);
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
290 }
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
291 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
292
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
293 sub output_copyfunc
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 my $src = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
296 my $dst = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
297 my $modulate = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
298 my $blend = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
299 my $scale = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
300
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
301 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
302 print FILE <<__EOF__;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
303 {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
304 const int flags = data->flags;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
305 __EOF__
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
306 if ( $modulate ) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
307 print FILE <<__EOF__;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
308 const Uint32 modulateR = data->r;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
309 const Uint32 modulateG = data->g;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
310 const Uint32 modulateB = data->b;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
311 const Uint32 modulateA = data->a;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
312 __EOF__
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 if ( $blend ) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
315 print FILE <<__EOF__;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
316 Uint32 srcpixel;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
317 Uint32 srcR, srcG, srcB, srcA;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
318 Uint32 dstpixel;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
319 Uint32 dstR, dstG, dstB, dstA;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
320 __EOF__
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
321 } elsif ( $modulate || $src ne $dst ) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
322 print FILE <<__EOF__;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
323 Uint32 pixel;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
324 Uint32 R, G, B, A;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
325 __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 if ( $scale ) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
328 print FILE <<__EOF__;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
329 int srcy, srcx;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
330 int posy, posx;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
331 int incy, incx;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
332
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
333 srcy = 0;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
334 posy = 0;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
335 incy = (data->src_h << 16) / data->dst_h;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
336 incx = (data->src_w << 16) / data->dst_w;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
337
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
338 while (data->dst_h--) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
339 $format_type{$src} *src;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
340 $format_type{$dst} *dst = ($format_type{$dst} *)data->dst;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
341 int n = data->dst_w;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
342 srcx = -1;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
343 posx = 0x10000L;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
344 while (posy >= 0x10000L) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
345 ++srcy;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
346 posy -= 0x10000L;
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 while (n--) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
349 if (posx >= 0x10000L) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
350 while (posx >= 0x10000L) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
351 ++srcx;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
352 posx -= 0x10000L;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
353 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
354 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
355 __EOF__
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
356 print FILE <<__EOF__;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
357 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
358 __EOF__
1989
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
359 output_copycore($src, $dst, $modulate, $blend);
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
360 print FILE <<__EOF__;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
361 posx += incx;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
362 ++dst;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
363 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
364 posy += incy;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
365 data->dst += data->dst_pitch;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
366 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
367 __EOF__
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
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
371 while (data->dst_h--) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
372 $format_type{$src} *src = ($format_type{$src} *)data->src;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
373 $format_type{$dst} *dst = ($format_type{$dst} *)data->dst;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
374 int n = data->dst_w;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
375 while (n--) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
376 __EOF__
1989
5b5f5de5433f Optimized the copy blitters a little bit
Sam Lantinga <slouken@libsdl.org>
parents: 1985
diff changeset
377 output_copycore($src, $dst, $modulate, $blend);
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
378 print FILE <<__EOF__;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
379 ++src;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
380 ++dst;
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 data->src += data->src_pitch;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
383 data->dst += data->dst_pitch;
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 print FILE <<__EOF__;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
388 return 0;
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
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
391 __EOF__
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
392 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
393
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
394 sub output_copyfunc_h
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
395 {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
396 my $src = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
397 my $dst = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
398 for (my $modulate = 0; $modulate <= 1; ++$modulate) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
399 for (my $blend = 0; $blend <= 1; ++$blend) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
400 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
401 if ( $modulate || $blend || $scale ) {
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
402 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
403 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
404 }
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 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
407 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
408
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
409 sub output_copyinc
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
410 {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
411 print FILE <<__EOF__;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
412 #include "SDL_video.h"
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
413 #include "SDL_rendercopy.h"
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 __EOF__
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
416 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
417
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
418 sub output_copyfunctable
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 print FILE <<__EOF__;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
421 static struct {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
422 Uint32 src_format;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
423 Uint32 dst_format;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
424 int modMode;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
425 int blendMode;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
426 int scaleMode;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
427 SDL_RenderCopyFunc func;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
428 } SDL_RenderCopyFuncTable[] = {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
429 __EOF__
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
430 for (my $i = 0; $i <= $#src_formats; ++$i) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
431 my $src = $src_formats[$i];
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
432 for (my $j = 0; $j <= $#dst_formats; ++$j) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
433 my $dst = $dst_formats[$j];
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
434 for (my $modulate = 0; $modulate <= 1; ++$modulate) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
435 for (my $blend = 0; $blend <= 1; ++$blend) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
436 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
437 if ( $modulate || $blend || $scale ) {
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
438 print FILE " { SDL_PIXELFORMAT_$src, SDL_PIXELFORMAT_$dst, ";
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
439 if ( $modulate ) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
440 print FILE "(SDL_TEXTUREMODULATE_COLOR | SDL_TEXTUREMODULATE_ALPHA), ";
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 ( $blend ) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
445 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
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 if ( $scale ) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
450 print FILE "SDL_TEXTURESCALEMODE_FAST, ";
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
451 } else {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
452 print FILE "0, ";
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 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
455 }
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 print FILE <<__EOF__;
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
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
464 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
465 {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
466 int i;
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 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
469 if (src_format != SDL_RenderCopyFuncTable[i].src_format) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
470 continue;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
471 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
472 if (dst_format != SDL_RenderCopyFuncTable[i].dst_format) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
473 continue;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
474 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
475 if ((modMode & SDL_RenderCopyFuncTable[i].modMode) != modMode) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
476 continue;
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 if ((blendMode & SDL_RenderCopyFuncTable[i].blendMode) != blendMode) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
479 continue;
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 if ((scaleMode & SDL_RenderCopyFuncTable[i].scaleMode) != scaleMode) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
482 continue;
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 return SDL_RenderCopyFuncTable[i].func;
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 return NULL;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
487 }
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 __EOF__
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
490 }
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 sub output_copyfunc_c
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
493 {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
494 my $src = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
495 my $dst = shift;
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
496
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
497 for (my $modulate = 0; $modulate <= 1; ++$modulate) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
498 for (my $blend = 0; $blend <= 1; ++$blend) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
499 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
500 if ( $modulate || $blend || $scale ) {
1985
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
501 output_copyfunc($src, $dst, $modulate, $blend, $scale);
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 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
504 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
505 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
506 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
507
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
508 open_file("SDL_rendercopy.h");
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
509 output_copydefs();
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
510 for (my $i = 0; $i <= $#src_formats; ++$i) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
511 for (my $j = 0; $j <= $#dst_formats; ++$j) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
512 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
513 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
514 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
515 print FILE "\n";
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
516 close_file("SDL_rendercopy.h");
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
517
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
518 open_file("SDL_rendercopy.c");
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
519 output_copyinc();
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
520 output_copyfunctable();
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
521 for (my $i = 0; $i <= $#src_formats; ++$i) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
522 for (my $j = 0; $j <= $#dst_formats; ++$j) {
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
523 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
524 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
525 }
8055185ae4ed Added source color and alpha modulation support.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
526 close_file("SDL_rendercopy.c");