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114 | $self->{internalformat} ||= $internalformat; |
114 | $self->{internalformat} ||= $internalformat; |
115 | ($dw, $dh) = @$self{qw(w h)}; |
115 | ($dw, $dh) = @$self{qw(w h)}; |
116 | } |
116 | } |
117 | |
117 | |
118 | my ($tw, $th) = ($dw, $dh); |
118 | my ($tw, $th) = ($dw, $dh); |
119 | my ($rw, $rh) = ($dw, $dh); |
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120 | |
119 | |
121 | defined $data or $self->{render_cb} or die; # some sanity check |
120 | defined $data or $self->{render_cb} or die; # some sanity check |
122 | |
121 | |
123 | $self->{minified} ||= [CFPlus::average $dw, $dh, $data] |
122 | $self->{minified} ||= [CFPlus::average $dw, $dh, $data] |
124 | if $self->{minify}; |
123 | if $self->{minify}; |
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139 | # quarter the texture size |
138 | # quarter the texture size |
140 | $tw >>= 1; |
139 | $tw >>= 1; |
141 | $th >>= 1; |
140 | $th >>= 1; |
142 | } |
141 | } |
143 | |
142 | |
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143 | # decide the amount of space used in the texture |
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144 | my ($rw, $rh); |
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145 | my ($ox, $oy); # area shift to lessen effetc of buggy opengl implementations (nvida, ati) |
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146 | my $render; |
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147 | |
144 | if ($self->{render_cb}) { |
148 | if ($self->{render_cb}) { |
145 | # use only part of the texture |
149 | # use only part of the texture |
146 | #$rw >>= 1 while $rw > $tw; |
150 | #$rw >>= 1 while $rw > $tw; |
147 | #$rh >>= 1 while $rh > $th; |
151 | #$rh >>= 1 while $rh > $th; |
148 | $rw = min $rw, $tw; |
152 | $rw = min $dw, $tw; |
149 | $rh = min $rh, $th; |
153 | $rh = min $dh, $th; |
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154 | ++$render; |
150 | } else { |
155 | } else { |
151 | if ($self->{wrap} || $tw < $dw || $th < $dh) { |
156 | if ($self->{wrap} || $tw < $dw || $th < $dh) { |
152 | # scale to the full texture size |
157 | # scale to the full texture size |
153 | ($rw, $rh) = ($tw, $th); |
158 | ($rw, $rh) = ($tw, $th); |
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159 | ++$render; |
154 | } else { |
160 | } else { |
155 | # pad |
161 | # pad |
156 | pad $data, $dw, $dh, $tw, $th; |
162 | pad $data, $dw, $dh, $tw, $th; |
157 | ($rw, $rh) = ($dw, $dh); |
163 | ($rw, $rh) = ($dw, $dh); |
158 | ($dw, $dh) = ($tw, $th); |
164 | ($dw, $dh) = ($tw, $th); |
159 | } |
165 | } |
160 | } |
166 | } |
161 | |
167 | |
162 | # rendering means we need to scale in some way |
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163 | my $render = $self->{render_cb} || $rw != $dw || $th != $dh; |
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164 | |
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165 | if ($render) { |
168 | if ($render) { |
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169 | $ox = int .5 * ($::WIDTH - $rw); |
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170 | $oy = int .5 * ($::HEIGHT - $rh); |
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171 | |
166 | glViewport 0, 0, $tw, $th; |
172 | glViewport $ox, $oy, $tw, $th; |
167 | glClear 0, 0, 0, 0; |
173 | #glScissor 0, 0, $tw, $th; |
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174 | #glEnable GL_SCISSOR_TEST; |
168 | glMatrixMode GL_PROJECTION; |
175 | glMatrixMode GL_PROJECTION; |
169 | glLoadIdentity; |
176 | glLoadIdentity; |
170 | glOrtho 0, $tw, 0, $th, -10000, 10000; |
177 | glOrtho 0, $tw, 0, $th, -10000, 10000; |
171 | glMatrixMode GL_MODELVIEW; |
178 | glMatrixMode GL_MODELVIEW; |
172 | glLoadIdentity; |
179 | glLoadIdentity; |
173 | |
180 | |
174 | if ($self->{render_cb}) { |
181 | if ($self->{render_cb}) { |
175 | glScale $rw / $dw, $rh / $dh; |
182 | glScale $rw / $dw, $rh / $dh; |
176 | $self->{render_cb}->($self, $rw, $rh); |
183 | $self->{render_cb}->($self, $rw, $rh); |
177 | } else { |
184 | } else { |
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185 | glClearColor 0, 0, 0, 0; |
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186 | glClear GL_COLOR_BUFFER_BIT; |
178 | glPixelZoom $tw / $dw, $th / $dh; |
187 | glPixelZoom $tw / $dw, $th / $dh; |
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188 | glRasterPos 0, 0; |
179 | glDrawPixels $dw, $dh, |
189 | glDrawPixels $dw, $dh, |
180 | $self->{format}, |
190 | $self->{format}, |
181 | $self->{type}, |
191 | $self->{type}, |
182 | $data; |
192 | $data; |
183 | glPixelZoom 1, 1; |
193 | glPixelZoom 1, 1; |
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210 | glGetError; |
220 | glGetError; |
211 | |
221 | |
212 | if ($render) { |
222 | if ($render) { |
213 | glCopyTexImage2D GL_TEXTURE_2D, 0, |
223 | glCopyTexImage2D GL_TEXTURE_2D, 0, |
214 | $self->{internalformat}, |
224 | $self->{internalformat}, |
215 | 0, 0, |
225 | $ox, $oy, |
216 | $tw, $th, |
226 | $tw, $th, |
217 | 0; |
227 | 0; |
218 | gl_check "copying to texture %dx%d if=%x", |
228 | gl_check "copying to texture %dx%d if=%x", |
219 | $tw, $th, $self->{internalformat}; |
229 | $tw, $th, $self->{internalformat}; |
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230 | |
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231 | #glDisable GL_SCISSOR_TEST; |
220 | } else { |
232 | } else { |
221 | glTexImage2D GL_TEXTURE_2D, 0, |
233 | glTexImage2D GL_TEXTURE_2D, 0, |
222 | $self->{internalformat}, |
234 | $self->{internalformat}, |
223 | $dw, $dh, |
235 | $dw, $dh, |
224 | 0, |
236 | 0, |