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Synced manpages with khronos svn r12696.
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the_fiddler
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@ -91,7 +91,7 @@
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<constant>GL_INVALID_OPERATION</constant> is generated if the reserved buffer object name 0 is bound to <parameter>target</parameter>.
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</para>
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<para>
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<constant>GL_INVALID_OPERATION</constant> is generated if <function>glGetBufferParameteriv</function>
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<constant>GL_INVALID_OPERATION</constant> is generated if <function>glGetBufferPointerv</function>
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is executed between the execution of <citerefentry><refentrytitle>glBegin</refentrytitle></citerefentry>
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and the corresponding execution of <citerefentry><refentrytitle>glEnd</refentrytitle></citerefentry>.
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</para>
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@ -149,7 +149,7 @@
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<parameter>pname</parameter> must be <constant>GL_TEXTURE_LOD_BIAS</constant>. When <parameter>target</parameter> is
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<constant>GL_TEXTURE_ENV</constant>, <parameter>pname</parameter> can be <constant>GL_TEXTURE_ENV_MODE</constant>,
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<constant>GL_TEXTURE_ENV_COLOR</constant>, <constant>GL_COMBINE_RGB</constant>, <constant>GL_COMBINE_ALPHA</constant>,
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<constant>GL_RGB_SCALE</constant>, <constant>GL_ALPHA_SCALE</constant>,
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<constant>GL_RGB_SCALE</constant>, <constant>GL_ALPHA_SCALE</constant>,
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<constant>GL_SRC0_RGB</constant>, <constant>GL_SRC1_RGB</constant>, <constant>GL_SRC2_RGB</constant>,
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<constant>GL_SRC0_ALPHA</constant>, <constant>GL_SRC1_ALPHA</constant>, or <constant>GL_SRC2_ALPHA</constant>.
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</para>
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@ -179,7 +179,7 @@
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<mml:mi mathvariant="italic">t</mml:mi></mml:msub></mml:math></inlineequation>,
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<inlineequation><mml:math><mml:msub><mml:mi mathvariant="italic">I</mml:mi>
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<mml:mi mathvariant="italic">t</mml:mi></mml:msub></mml:math></inlineequation>
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to texture source components.
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to texture source components.
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<inlineequation><mml:math><mml:msub><mml:mi mathvariant="italic">C</mml:mi>
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<mml:mi mathvariant="italic">s</mml:mi></mml:msub></mml:math></inlineequation>
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and
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@ -325,17 +325,17 @@
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The following table shows how the RGBA color is produced for each
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of the first five texture functions that can be chosen.
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<inlineequation><mml:math><mml:mi mathvariant="italic">C</mml:mi></mml:math></inlineequation>
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is a triple of color values (RGB) and
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is a triple of color values (RGB) and
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<inlineequation><mml:math><mml:mi mathvariant="italic">A</mml:mi></mml:math></inlineequation>
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is the associated alpha value.
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RGBA values extracted from a texture image are in the range [0,1].
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The subscript
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The subscript
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<inlineequation><mml:math><mml:mi mathvariant="italic">p</mml:mi></mml:math></inlineequation>
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refers to the color computed from the previous texture stage (or the incoming fragment if processing texture stage 0),
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the subscript
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the subscript
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<inlineequation><mml:math><mml:mi mathvariant="italic">s</mml:mi></mml:math></inlineequation>
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to the texture source color,
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the subscript
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the subscript
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<inlineequation><mml:math><mml:mi mathvariant="italic">c</mml:mi></mml:math></inlineequation>
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to the texture environment color,
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and the subscript
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@ -1392,12 +1392,12 @@
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<constant>GL_SRC0_RGB</constant>, <constant>GL_SRC1_RGB</constant>, <constant>GL_SRC2_RGB</constant>,
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<constant>GL_SRC0_ALPHA</constant>, <constant>GL_SRC1_ALPHA</constant>, and <constant>GL_SRC2_ALPHA</constant>,
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are combined to produce a final texture color. In the following tables,
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<constant>GL_SRC0_c</constant> is represented by
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<constant>GL_SRC0_c</constant> is represented by
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<inlineequation><mml:math><mml:mi mathvariant="italic">Arg0</mml:mi></mml:math></inlineequation>,
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<constant>GL_SRC1_c</constant> is
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represented by
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represented by
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<inlineequation><mml:math><mml:mi mathvariant="italic">Arg1</mml:mi></mml:math></inlineequation>,
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and <constant>GL_SRC2_c</constant> is represented by
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and <constant>GL_SRC2_c</constant> is represented by
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<inlineequation><mml:math><mml:mi mathvariant="italic">Arg2</mml:mi></mml:math></inlineequation>.
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</para>
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<para>
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@ -1524,10 +1524,14 @@
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<row>
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<entry align="left">
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<constant>GL_DOT3_RGB</constant>
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or
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<constant>GL_DOT3_RGBA</constant>
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</entry>
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<entry align="left">
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<!-- eqn: 4 * ((({Arg0 sub r} - 0.5) * ({Arg1 sub r} - 0.5)) +
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(({Arg0 sub g} - 0.5) * ({Arg1 sub g} - 0.5)) +
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(({Arg0 sub b} - 0.5) * ({Arg1 sub b} - 0.5)):-->
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<inlineequation><mml:math>
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<!-- eqn: 4 * (({Arg0 sub r} - 0.5) * ({Arg1 sub r} - 0.5)):-->
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<mml:mrow>
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<mml:mn>4</mml:mn>
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<mml:mo>×</mml:mo>
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@ -1535,107 +1539,91 @@
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<mml:mrow>
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<mml:mfenced open="(" close=")">
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<mml:mrow>
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<mml:mfenced open="" close="">
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<mml:msub><mml:mi mathvariant="italic">Arg0</mml:mi>
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<mml:mi mathvariant="italic">r</mml:mi>
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</mml:msub>
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<mml:mfenced open="(" close=")">
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<mml:mrow>
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<mml:mfenced open="" close="">
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<mml:msub><mml:mi mathvariant="italic">Arg0</mml:mi>
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<mml:mi mathvariant="italic">r</mml:mi>
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</mml:msub>
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</mml:mfenced>
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<mml:mo>-</mml:mo>
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<mml:mn>0.5</mml:mn>
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</mml:mrow>
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</mml:mfenced>
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<mml:mo>×</mml:mo>
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<mml:mfenced open="(" close=")">
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<mml:mrow>
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<mml:mfenced open="" close="">
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<mml:msub><mml:mi mathvariant="italic">Arg1</mml:mi>
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<mml:mi mathvariant="italic">r</mml:mi>
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</mml:msub>
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</mml:mfenced>
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<mml:mo>-</mml:mo>
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<mml:mn>0.5</mml:mn>
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</mml:mrow>
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</mml:mfenced>
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<mml:mo>-</mml:mo>
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<mml:mn>0.5</mml:mn>
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</mml:mrow>
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</mml:mfenced>
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<mml:mo>×</mml:mo>
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<mml:mo>+</mml:mo>
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<mml:mfenced open="(" close=")">
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<mml:mrow>
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<mml:mfenced open="" close="">
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<mml:msub><mml:mi mathvariant="italic">Arg1</mml:mi>
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<mml:mi mathvariant="italic">r</mml:mi>
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</mml:msub>
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<mml:mfenced open="(" close=")">
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<mml:mrow>
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<mml:mfenced open="" close="">
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<mml:msub><mml:mi mathvariant="italic">Arg0</mml:mi>
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<mml:mi mathvariant="italic">g</mml:mi>
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</mml:msub>
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</mml:mfenced>
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<mml:mo>-</mml:mo>
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<mml:mn>0.5</mml:mn>
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</mml:mrow>
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</mml:mfenced>
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<mml:mo>×</mml:mo>
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<mml:mfenced open="(" close=")">
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<mml:mrow>
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<mml:mfenced open="" close="">
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<mml:msub><mml:mi mathvariant="italic">Arg1</mml:mi>
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<mml:mi mathvariant="italic">g</mml:mi>
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</mml:msub>
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</mml:mfenced>
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<mml:mo>-</mml:mo>
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<mml:mn>0.5</mml:mn>
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</mml:mrow>
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</mml:mfenced>
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</mml:mrow>
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</mml:mfenced>
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<mml:mo>+</mml:mo>
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<mml:mfenced open="(" close=")">
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<mml:mrow>
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<mml:mfenced open="(" close=")">
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<mml:mrow>
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<mml:mfenced open="" close="">
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<mml:msub><mml:mi mathvariant="italic">Arg0</mml:mi>
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<mml:mi mathvariant="italic">b</mml:mi>
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</mml:msub>
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</mml:mfenced>
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<mml:mo>-</mml:mo>
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<mml:mn>0.5</mml:mn>
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</mml:mrow>
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</mml:mfenced>
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<mml:mo>×</mml:mo>
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<mml:mfenced open="(" close=")">
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<mml:mrow>
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<mml:mfenced open="" close="">
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<mml:msub><mml:mi mathvariant="italic">Arg1</mml:mi>
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<mml:mi mathvariant="italic">b</mml:mi>
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</mml:msub>
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</mml:mfenced>
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<mml:mo>-</mml:mo>
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<mml:mn>0.5</mml:mn>
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</mml:mrow>
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</mml:mfenced>
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<mml:mo>-</mml:mo>
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<mml:mn>0.5</mml:mn>
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</mml:mrow>
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</mml:mfenced>
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</mml:mrow>
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</mml:mfenced>
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</mml:mrow>
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</mml:math></inlineequation>
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+
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</entry>
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</row>
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<row>
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<entry align="left">
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or
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</entry>
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<entry align="left">
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<inlineequation><mml:math>
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<!-- eqn: (({Arg0 sub g} - 0.5) * ({Arg1 sub g} - 0.5)):-->
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<mml:mfenced open="(" close=")">
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<mml:mrow>
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<mml:mfenced open="(" close=")">
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<mml:mrow>
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<mml:mfenced open="" close="">
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<mml:msub><mml:mi mathvariant="italic">Arg0</mml:mi>
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<mml:mi mathvariant="italic">g</mml:mi>
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</mml:msub>
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</mml:mfenced>
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<mml:mo>-</mml:mo>
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<mml:mn>0.5</mml:mn>
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</mml:mrow>
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</mml:mfenced>
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<mml:mo>×</mml:mo>
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<mml:mfenced open="(" close=")">
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<mml:mrow>
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<mml:mfenced open="" close="">
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<mml:msub><mml:mi mathvariant="italic">Arg1</mml:mi>
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<mml:mi mathvariant="italic">g</mml:mi>
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</mml:msub>
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</mml:mfenced>
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<mml:mo>-</mml:mo>
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<mml:mn>0.5</mml:mn>
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</mml:mrow>
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</mml:mfenced>
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</mml:mrow>
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</mml:mfenced>
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</mml:math></inlineequation>
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+
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</entry>
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</row>
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<row>
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<entry align="left">
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<constant>GL_DOT3_RGBA</constant>
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</entry>
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<entry align="left">
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<inlineequation><mml:math>
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<!-- eqn: (({Arg0 sub b} - 0.5) * ({Arg1 sub b} - 0.5)):-->
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<mml:mfenced open="(" close=")">
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<mml:mrow>
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<mml:mfenced open="(" close=")">
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<mml:mrow>
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<mml:mfenced open="" close="">
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<mml:msub><mml:mi mathvariant="italic">Arg0</mml:mi>
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<mml:mi mathvariant="italic">b</mml:mi>
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</mml:msub>
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</mml:mfenced>
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<mml:mo>-</mml:mo>
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<mml:mn>0.5</mml:mn>
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</mml:mrow>
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</mml:mfenced>
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<mml:mo>×</mml:mo>
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<mml:mfenced open="(" close=")">
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<mml:mrow>
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<mml:mfenced open="" close="">
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<mml:msub><mml:mi mathvariant="italic">Arg1</mml:mi>
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<mml:mi mathvariant="italic">b</mml:mi>
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</mml:msub>
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</mml:mfenced>
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<mml:mo>-</mml:mo>
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<mml:mn>0.5</mml:mn>
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</mml:mrow>
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</mml:mfenced>
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</mml:mrow>
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</mml:mfenced>
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</mml:math></inlineequation>
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</entry>
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</row>
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</tbody>
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@ -1771,7 +1759,7 @@
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</tgroup>
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</informaltable>
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<para>
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In the following tables, the value
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In the following tables, the value
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<inlineequation><mml:math>
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<!-- eqn: C sub s:-->
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<mml:msub><mml:mi mathvariant="italic">C</mml:mi>
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@ -1779,7 +1767,7 @@
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</mml:msub>
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</mml:math></inlineequation>
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represents the color sampled
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from the currently bound texture,
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from the currently bound texture,
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<inlineequation><mml:math>
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<!-- eqn: C sub c:-->
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<mml:msub><mml:mi mathvariant="italic">C</mml:mi>
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@ -1787,7 +1775,7 @@
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</mml:msub>
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</mml:math></inlineequation>
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represents the constant
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texture-environment color,
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texture-environment color,
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<inlineequation><mml:math>
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<!-- eqn: C sub f:-->
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<mml:msub><mml:mi mathvariant="italic">C</mml:mi>
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@ -1795,7 +1783,7 @@
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</mml:msub>
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</mml:math></inlineequation>
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represents the primary color of the
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incoming fragment, and
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incoming fragment, and
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<inlineequation><mml:math>
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<!-- eqn: C sub p:-->
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<mml:msub><mml:mi mathvariant="italic">C</mml:mi>
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@ -1803,7 +1791,7 @@
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</mml:msub>
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</mml:math></inlineequation>
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represents the color computed from the
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previous texture stage or
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previous texture stage or
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<inlineequation><mml:math>
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<!-- eqn: C sub f:-->
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<mml:msub><mml:mi mathvariant="italic">C</mml:mi>
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@ -1816,20 +1804,20 @@
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<mml:msub><mml:mi mathvariant="italic">A</mml:mi>
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<mml:mi mathvariant="italic">s</mml:mi>
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</mml:msub>
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</mml:math></inlineequation>,
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</mml:math></inlineequation>,
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<inlineequation><mml:math>
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<!-- eqn: A sub c:-->
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<mml:msub><mml:mi mathvariant="italic">A</mml:mi>
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<mml:mi mathvariant="italic">c</mml:mi>
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</mml:msub>
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</mml:math></inlineequation>,
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</mml:math></inlineequation>,
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<inlineequation><mml:math>
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<!-- eqn: A sub f:-->
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<mml:msub><mml:mi mathvariant="italic">A</mml:mi>
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<mml:mi mathvariant="italic">f</mml:mi>
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</mml:msub>
|
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</mml:math></inlineequation>,
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and
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and
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<inlineequation><mml:math>
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<!-- eqn: A sub p:-->
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<mml:msub><mml:mi mathvariant="italic">A</mml:mi>
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|
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@ -1840,8 +1828,8 @@
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alpha values.
|
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</para>
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<para>
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The following table describes the values assigned to
|
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<inlineequation><mml:math><mml:mi mathvariant="italic">Arg0</mml:mi></mml:math></inlineequation>,
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The following table describes the values assigned to
|
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<inlineequation><mml:math><mml:mi mathvariant="italic">Arg0</mml:mi></mml:math></inlineequation>,
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<inlineequation><mml:math><mml:mi mathvariant="italic">Arg1</mml:mi></mml:math></inlineequation>,
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and
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<inlineequation><mml:math><mml:mi mathvariant="italic">Arg2</mml:mi></mml:math></inlineequation>
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|
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@ -2257,14 +2245,14 @@
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</tgroup>
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</informaltable>
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<para>
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For <constant>GL_TEXTUREn</constant> sources,
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For <constant>GL_TEXTUREn</constant> sources,
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<inlineequation><mml:math>
|
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<!-- eqn: C sub s:-->
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<mml:msub><mml:mi mathvariant="italic">C</mml:mi>
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<mml:mi mathvariant="italic">s</mml:mi>
|
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</mml:msub>
|
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</mml:math></inlineequation>
|
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and
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and
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<inlineequation><mml:math>
|
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<!-- eqn: A sub s:-->
|
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<mml:msub><mml:mi mathvariant="italic">A</mml:mi>
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|
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@ -2272,12 +2260,12 @@
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</mml:msub>
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</mml:math></inlineequation>
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represent the color
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and alpha, respectively, produced from texture stage
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and alpha, respectively, produced from texture stage
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<inlineequation><mml:math><mml:mi mathvariant="italic">n</mml:mi></mml:math></inlineequation>.
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</para>
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<para>
|
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The follow table describes the values assigned to
|
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<inlineequation><mml:math><mml:mi mathvariant="italic">Arg0</mml:mi></mml:math></inlineequation>,
|
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The follow table describes the values assigned to
|
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<inlineequation><mml:math><mml:mi mathvariant="italic">Arg0</mml:mi></mml:math></inlineequation>,
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<inlineequation><mml:math><mml:mi mathvariant="italic">Arg1</mml:mi></mml:math></inlineequation>,
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and
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||||
<inlineequation><mml:math><mml:mi mathvariant="italic">Arg2</mml:mi></mml:math></inlineequation>
|
||||
|
|
@ -2505,7 +2493,7 @@
|
|||
<para>
|
||||
The RGB and alpha results of the texture function are multipled by the
|
||||
values of <constant>GL_RGB_SCALE</constant> and <constant>GL_ALPHA_SCALE</constant>, respectively, and
|
||||
clamped to the range
|
||||
clamped to the range
|
||||
<inlineequation><mml:math>
|
||||
<!-- eqn: [0, 1]:-->
|
||||
<mml:mfenced open="[" close="]">
|
||||
|
|
@ -2540,7 +2528,7 @@
|
|||
<constant>GL_TEXTURE_ENV_COLOR</constant> defaults to (0, 0, 0, 0).
|
||||
</para>
|
||||
<para>
|
||||
If <parameter>target</parameter> is <constant>GL_POINT_SPRITE</constant> and <parameter>pname</parameter> is <constant>GL_COORD_REPLACE</constant>, the boolean value specified
|
||||
If <parameter>target</parameter> is <constant>GL_POINT_SPRITE</constant> and <parameter>pname</parameter> is <constant>GL_COORD_REPLACE</constant>, the boolean value specified
|
||||
is used to either enable or disable point sprite texture coordinate replacement. The default value is <constant>GL_FALSE</constant>.
|
||||
</para>
|
||||
</refsect1>
|
||||
|
|
|
|||
|
|
@ -525,7 +525,7 @@
|
|||
that can produce dynamic contour lines on moving objects.
|
||||
</para>
|
||||
<para>
|
||||
If <parameter>pname</parameter> is <constant>GL_SPHERE_MAP</constant> and <parameter>coord</parameter> is either
|
||||
If the texture generation function is <constant>GL_SPHERE_MAP</constant> and <parameter>coord</parameter> is either
|
||||
<constant>GL_S</constant> or
|
||||
<constant>GL_T</constant>,
|
||||
<inlineequation><mml:math><mml:mi mathvariant="italic">s</mml:mi></mml:math></inlineequation>
|
||||
|
|
@ -717,7 +717,7 @@
|
|||
plane equations are (0, 0, 0, 0).
|
||||
</para>
|
||||
<para>
|
||||
When the <code>ARB_multitexture</code> extension is supported, <function>glTexGen</function> set the
|
||||
When the <code>ARB_multitexture</code> extension is supported, <function>glTexGen</function> sets the
|
||||
texture generation parameters for the currently active texture unit,
|
||||
selected with <citerefentry><refentrytitle>glActiveTexture</refentrytitle></citerefentry>.
|
||||
</para>
|
||||
|
|
|
|||
Loading…
Reference in a new issue