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1277 lines
65 KiB
XML
1277 lines
65 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook MathML Module V1.1b1//EN"
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"http://www.oasis-open.org/docbook/xml/mathml/1.1CR1/dbmathml.dtd">
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<refentry id="glPixelTransfer">
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<refmeta>
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<refmetainfo>
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<copyright>
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<year>1991-2006</year>
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<holder>Silicon Graphics, Inc.</holder>
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</copyright>
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</refmetainfo>
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<refentrytitle>glPixelTransfer</refentrytitle>
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<manvolnum>3G</manvolnum>
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</refmeta>
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<refnamediv>
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<refname>glPixelTransfer</refname>
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<refpurpose>set pixel transfer modes</refpurpose>
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</refnamediv>
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<refsynopsisdiv><title>C Specification</title>
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<funcsynopsis>
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<funcprototype>
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<funcdef>void <function>glPixelTransferf</function></funcdef>
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<paramdef>GLenum <parameter>pname</parameter></paramdef>
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<paramdef>GLfloat <parameter>param</parameter></paramdef>
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</funcprototype>
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</funcsynopsis>
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<funcsynopsis>
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<funcprototype>
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<funcdef>void <function>glPixelTransferi</function></funcdef>
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<paramdef>GLenum <parameter>pname</parameter></paramdef>
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<paramdef>GLint <parameter>param</parameter></paramdef>
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</funcprototype>
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</funcsynopsis>
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</refsynopsisdiv>
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<!-- eqn: ignoring delim $$ -->
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<refsect1 id="parameters"><title>Parameters</title>
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<variablelist>
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<varlistentry>
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<term><parameter>pname</parameter></term>
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<listitem>
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<para>
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Specifies the symbolic name of the pixel transfer parameter to be set.
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Must be one of the following:
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<constant>GL_MAP_COLOR</constant>,
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<constant>GL_MAP_STENCIL</constant>,
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<constant>GL_INDEX_SHIFT</constant>,
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<constant>GL_INDEX_OFFSET</constant>,
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<constant>GL_RED_SCALE</constant>,
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<constant>GL_RED_BIAS</constant>,
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<constant>GL_GREEN_SCALE</constant>,
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<constant>GL_GREEN_BIAS</constant>,
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<constant>GL_BLUE_SCALE</constant>,
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<constant>GL_BLUE_BIAS</constant>,
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<constant>GL_ALPHA_SCALE</constant>,
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<constant>GL_ALPHA_BIAS</constant>,
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<constant>GL_DEPTH_SCALE</constant>, or
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<constant>GL_DEPTH_BIAS</constant>.
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</para>
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<para>
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Additionally, if the <code>ARB_imaging</code> extension is supported, the
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following symbolic names are accepted:
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<constant>GL_POST_COLOR_MATRIX_RED_SCALE</constant>,
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<constant>GL_POST_COLOR_MATRIX_GREEN_SCALE</constant>,
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<constant>GL_POST_COLOR_MATRIX_BLUE_SCALE</constant>,
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<constant>GL_POST_COLOR_MATRIX_ALPHA_SCALE</constant>,
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<constant>GL_POST_COLOR_MATRIX_RED_BIAS</constant>,
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<constant>GL_POST_COLOR_MATRIX_GREEN_BIAS</constant>,
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<constant>GL_POST_COLOR_MATRIX_BLUE_BIAS</constant>,
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<constant>GL_POST_COLOR_MATRIX_ALPHA_BIAS</constant>,
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<constant>GL_POST_CONVOLUTION_RED_SCALE</constant>,
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<constant>GL_POST_CONVOLUTION_GREEN_SCALE</constant>,
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<constant>GL_POST_CONVOLUTION_BLUE_SCALE</constant>,
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<constant>GL_POST_CONVOLUTION_ALPHA_SCALE</constant>,
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<constant>GL_POST_CONVOLUTION_RED_BIAS</constant>,
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<constant>GL_POST_CONVOLUTION_GREEN_BIAS</constant>,
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<constant>GL_POST_CONVOLUTION_BLUE_BIAS</constant>, and
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<constant>GL_POST_CONVOLUTION_ALPHA_BIAS</constant>.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>param</parameter></term>
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<listitem>
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<para>
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Specifies the value that <parameter>pname</parameter> is set to.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</refsect1>
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<refsect1 id="description"><title>Description</title>
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<para>
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<function>glPixelTransfer</function> sets pixel transfer modes that affect the operation of subsequent
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<citerefentry><refentrytitle>glCopyPixels</refentrytitle></citerefentry>,
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<citerefentry><refentrytitle>glCopyTexImage1D</refentrytitle></citerefentry>,
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<citerefentry><refentrytitle>glCopyTexImage2D</refentrytitle></citerefentry>,
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<citerefentry><refentrytitle>glCopyTexSubImage1D</refentrytitle></citerefentry>,
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<citerefentry><refentrytitle>glCopyTexSubImage2D</refentrytitle></citerefentry>,
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<citerefentry><refentrytitle>glCopyTexSubImage3D</refentrytitle></citerefentry>,
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<citerefentry><refentrytitle>glDrawPixels</refentrytitle></citerefentry>,
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<citerefentry><refentrytitle>glReadPixels</refentrytitle></citerefentry>,
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<citerefentry><refentrytitle>glTexImage1D</refentrytitle></citerefentry>,
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<citerefentry><refentrytitle>glTexImage2D</refentrytitle></citerefentry>,
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<citerefentry><refentrytitle>glTexImage3D</refentrytitle></citerefentry>,
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<citerefentry><refentrytitle>glTexSubImage1D</refentrytitle></citerefentry>,
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<citerefentry><refentrytitle>glTexSubImage2D</refentrytitle></citerefentry>, and
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<citerefentry><refentrytitle>glTexSubImage3D</refentrytitle></citerefentry> commands.
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Additionally, if the <code>ARB_imaging</code> subset is supported, the
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routines
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<citerefentry><refentrytitle>glColorTable</refentrytitle></citerefentry>,
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<citerefentry><refentrytitle>glColorSubTable</refentrytitle></citerefentry>,
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<citerefentry><refentrytitle>glConvolutionFilter1D</refentrytitle></citerefentry>,
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<citerefentry><refentrytitle>glConvolutionFilter2D</refentrytitle></citerefentry>,
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<citerefentry><refentrytitle>glHistogram</refentrytitle></citerefentry>,
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<citerefentry><refentrytitle>glMinmax</refentrytitle></citerefentry>, and
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<citerefentry><refentrytitle>glSeparableFilter2D</refentrytitle></citerefentry> are also affected.
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The algorithms that are specified by pixel transfer modes operate on
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pixels after they are read from the frame buffer
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(<citerefentry><refentrytitle>glCopyPixels</refentrytitle></citerefentry>
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<citerefentry><refentrytitle>glCopyTexImage1D</refentrytitle></citerefentry>,
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<citerefentry><refentrytitle>glCopyTexImage2D</refentrytitle></citerefentry>,
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<citerefentry><refentrytitle>glCopyTexSubImage1D</refentrytitle></citerefentry>,
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<citerefentry><refentrytitle>glCopyTexSubImage2D</refentrytitle></citerefentry>,
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<citerefentry><refentrytitle>glCopyTexSubImage3D</refentrytitle></citerefentry>, and
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<citerefentry><refentrytitle>glReadPixels</refentrytitle></citerefentry>),
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or unpacked from client memory
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(<citerefentry><refentrytitle>glDrawPixels</refentrytitle></citerefentry>, <citerefentry><refentrytitle>glTexImage1D</refentrytitle></citerefentry>, <citerefentry><refentrytitle>glTexImage2D</refentrytitle></citerefentry>, <citerefentry><refentrytitle>glTexImage3D</refentrytitle></citerefentry>,
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<citerefentry><refentrytitle>glTexSubImage1D</refentrytitle></citerefentry>, <citerefentry><refentrytitle>glTexSubImage2D</refentrytitle></citerefentry>, and <citerefentry><refentrytitle>glTexSubImage3D</refentrytitle></citerefentry>).
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Pixel transfer operations happen in the same order,
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and in the same manner,
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regardless of the command that resulted in the pixel operation.
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Pixel storage modes
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(see <citerefentry><refentrytitle>glPixelStore</refentrytitle></citerefentry>)
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control the unpacking of pixels being read from client memory
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and the packing of pixels being written back into client memory.
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</para>
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<para>
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Pixel transfer operations handle four fundamental pixel types:
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<emphasis>color</emphasis>,
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<emphasis>color index</emphasis>,
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<emphasis>depth</emphasis>, and
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<emphasis>stencil</emphasis>.
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<emphasis>Color</emphasis> pixels consist of four floating-point values
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with unspecified mantissa and exponent sizes,
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scaled such that 0 represents zero intensity
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and 1 represents full intensity.
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<emphasis>Color indices</emphasis> comprise a single fixed-point value,
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with unspecified precision to the right of the binary point.
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<emphasis>Depth</emphasis> pixels comprise a single floating-point value,
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with unspecified mantissa and exponent sizes,
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scaled such that 0.0 represents the minimum depth buffer value,
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and 1.0 represents the maximum depth buffer value.
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Finally,
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<emphasis>stencil</emphasis> pixels comprise a single fixed-point value,
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with unspecified precision to the right of the binary point.
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</para>
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<para>
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The pixel transfer operations performed on the four basic pixel types are
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as follows:
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</para>
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<variablelist>
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<varlistentry>
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<term><emphasis>Color</emphasis></term>
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<listitem>
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<para>
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Each of the four color components is multiplied by a scale factor,
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then added to a bias factor.
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That is,
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the red component is multiplied by <constant>GL_RED_SCALE</constant>,
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then added to <constant>GL_RED_BIAS</constant>;
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the green component is multiplied by <constant>GL_GREEN_SCALE</constant>,
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then added to <constant>GL_GREEN_BIAS</constant>;
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the blue component is multiplied by <constant>GL_BLUE_SCALE</constant>,
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then added to <constant>GL_BLUE_BIAS</constant>; and
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the alpha component is multiplied by <constant>GL_ALPHA_SCALE</constant>,
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then added to <constant>GL_ALPHA_BIAS</constant>.
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After all four color components are scaled and biased,
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each is clamped to the range
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<inlineequation><mml:math>
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<!-- eqn: [0,1]:-->
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<mml:mfenced open="[" close="]">
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<mml:mn>0</mml:mn>
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<mml:mn>1</mml:mn>
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</mml:mfenced>
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</mml:math></inlineequation>.
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All color, scale, and bias values are specified with <function>glPixelTransfer</function>.
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</para>
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<para>
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If <constant>GL_MAP_COLOR</constant> is true,
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each color component is scaled by the size of the corresponding
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color-to-color map,
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then replaced by the contents of that map indexed by the scaled component.
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That is,
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the red component is scaled by <constant>GL_PIXEL_MAP_R_TO_R_SIZE</constant>,
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then replaced by the contents of <constant>GL_PIXEL_MAP_R_TO_R</constant> indexed by itself.
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The green component is scaled by <constant>GL_PIXEL_MAP_G_TO_G_SIZE</constant>,
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then replaced by the contents of <constant>GL_PIXEL_MAP_G_TO_G</constant> indexed by itself.
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The blue component is scaled by <constant>GL_PIXEL_MAP_B_TO_B_SIZE</constant>,
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then replaced by the contents of <constant>GL_PIXEL_MAP_B_TO_B</constant> indexed by itself.
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And
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the alpha component is scaled by <constant>GL_PIXEL_MAP_A_TO_A_SIZE</constant>,
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then replaced by the contents of <constant>GL_PIXEL_MAP_A_TO_A</constant> indexed by itself.
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All components taken from the maps are then clamped to the range
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<inlineequation><mml:math>
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<!-- eqn: [0,1]:-->
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<mml:mfenced open="[" close="]">
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<mml:mn>0</mml:mn>
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<mml:mn>1</mml:mn>
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</mml:mfenced>
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</mml:math></inlineequation>.
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<constant>GL_MAP_COLOR</constant> is specified with <function>glPixelTransfer</function>.
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The contents of the various maps are specified with <citerefentry><refentrytitle>glPixelMap</refentrytitle></citerefentry>.
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</para>
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<para>
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If the <code>ARB_imaging</code> extension is supported, each of the four
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color components may be scaled and biased after transformation by the
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color matrix.
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That is,
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the red component is multiplied by <constant>GL_POST_COLOR_MATRIX_RED_SCALE</constant>,
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then added to <constant>GL_POST_COLOR_MATRIX_RED_BIAS</constant>;
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the green component is multiplied by <constant>GL_POST_COLOR_MATRIX_GREEN_SCALE</constant>,
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then added to <constant>GL_POST_COLOR_MATRIX_GREEN_BIAS</constant>;
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the blue component is multiplied by <constant>GL_POST_COLOR_MATRIX_BLUE_SCALE</constant>,
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then added to <constant>GL_POST_COLOR_MATRIX_BLUE_BIAS</constant>; and
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the alpha component is multiplied by <constant>GL_POST_COLOR_MATRIX_ALPHA_SCALE</constant>,
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then added to <constant>GL_POST_COLOR_MATRIX_ALPHA_BIAS</constant>.
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After all four color components are scaled and biased,
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each is clamped to the range
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<inlineequation><mml:math>
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<!-- eqn: [0,1]:-->
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<mml:mfenced open="[" close="]">
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<mml:mn>0</mml:mn>
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<mml:mn>1</mml:mn>
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</mml:mfenced>
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</mml:math></inlineequation>.
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</para>
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<para>
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Similarly, if the <code>ARB_imaging</code> extension is supported, each of
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the four color components may be scaled and biased after processing by
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the enabled convolution filter.
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That is,
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the red component is multiplied by <constant>GL_POST_CONVOLUTION_RED_SCALE</constant>,
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then added to <constant>GL_POST_CONVOLUTION_RED_BIAS</constant>;
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the green component is multiplied by <constant>GL_POST_CONVOLUTION_GREEN_SCALE</constant>,
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then added to <constant>GL_POST_CONVOLUTION_GREEN_BIAS</constant>;
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the blue component is multiplied by <constant>GL_POST_CONVOLUTION_BLUE_SCALE</constant>,
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then added to <constant>GL_POST_CONVOLUTION_BLUE_BIAS</constant>; and
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the alpha component is multiplied by <constant>GL_POST_CONVOLUTION_ALPHA_SCALE</constant>,
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then added to <constant>GL_POST_CONVOLUTION_ALPHA_BIAS</constant>.
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After all four color components are scaled and biased,
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each is clamped to the range
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<inlineequation><mml:math>
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<!-- eqn: [0,1]:-->
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<mml:mfenced open="[" close="]">
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<mml:mn>0</mml:mn>
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<mml:mn>1</mml:mn>
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</mml:mfenced>
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</mml:math></inlineequation>.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><emphasis>Color index</emphasis></term>
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<listitem>
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<para>
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Each color index is shifted left by <constant>GL_INDEX_SHIFT</constant> bits; any bits
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beyond the number of fraction bits carried
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by the fixed-point index are filled with zeros.
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If <constant>GL_INDEX_SHIFT</constant> is negative,
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the shift is to the right,
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again zero filled.
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Then <constant>GL_INDEX_OFFSET</constant> is added to the index.
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<constant>GL_INDEX_SHIFT</constant> and <constant>GL_INDEX_OFFSET</constant> are specified with
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<function>glPixelTransfer</function>.
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</para>
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<para>
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From this point, operation diverges depending on the required format of
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the resulting pixels.
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If the resulting pixels are to be written to a color index buffer,
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or if they are being read back to client memory in <constant>GL_COLOR_INDEX</constant> format,
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the pixels continue to be treated as indices.
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If <constant>GL_MAP_COLOR</constant> is true,
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each index is masked by
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<inlineequation><mml:math>
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<!-- eqn: 2 sup n - 1:-->
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<mml:mrow>
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<mml:msup><mml:mn>2</mml:mn>
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<mml:mi mathvariant="italic">n</mml:mi>
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</mml:msup>
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<mml:mo>-</mml:mo>
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<mml:mn>1</mml:mn>
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</mml:mrow>
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</mml:math></inlineequation>,
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where
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<inlineequation><mml:math><mml:mi mathvariant="italic">n</mml:mi></mml:math></inlineequation>
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is <constant>GL_PIXEL_MAP_I_TO_I_SIZE</constant>,
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then replaced by the contents of <constant>GL_PIXEL_MAP_I_TO_I</constant> indexed by the
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masked value.
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<constant>GL_MAP_COLOR</constant> is specified with <function>glPixelTransfer</function>.
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The contents of the index map is specified with <citerefentry><refentrytitle>glPixelMap</refentrytitle></citerefentry>.
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</para>
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<para>
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If the resulting pixels are to be written to an RGBA color buffer,
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or if they are read back to client memory in a format other than
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<constant>GL_COLOR_INDEX</constant>,
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the pixels are converted from indices to colors by referencing the
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four maps
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<constant>GL_PIXEL_MAP_I_TO_R</constant>,
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<constant>GL_PIXEL_MAP_I_TO_G</constant>,
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<constant>GL_PIXEL_MAP_I_TO_B</constant>, and
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<constant>GL_PIXEL_MAP_I_TO_A</constant>.
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Before being dereferenced,
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the index is masked by
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<inlineequation><mml:math>
|
|
<!-- eqn: 2 sup n - 1:-->
|
|
<mml:mrow>
|
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<mml:msup><mml:mn>2</mml:mn>
|
|
<mml:mi mathvariant="italic">n</mml:mi>
|
|
</mml:msup>
|
|
<mml:mo>-</mml:mo>
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<mml:mn>1</mml:mn>
|
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</mml:mrow>
|
|
</mml:math></inlineequation>,
|
|
where
|
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<inlineequation><mml:math><mml:mi mathvariant="italic">n</mml:mi></mml:math></inlineequation>
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|
is
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<constant>GL_PIXEL_MAP_I_TO_R_SIZE</constant> for the red map,
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<constant>GL_PIXEL_MAP_I_TO_G_SIZE</constant> for the green map,
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<constant>GL_PIXEL_MAP_I_TO_B_SIZE</constant> for the blue map, and
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<constant>GL_PIXEL_MAP_I_TO_A_SIZE</constant> for the alpha map.
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All components taken from the maps are then clamped to the range
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<inlineequation><mml:math>
|
|
<!-- eqn: [0,1]:-->
|
|
<mml:mfenced open="[" close="]">
|
|
<mml:mn>0</mml:mn>
|
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<mml:mn>1</mml:mn>
|
|
</mml:mfenced>
|
|
</mml:math></inlineequation>.
|
|
The contents of the four maps is specified with <citerefentry><refentrytitle>glPixelMap</refentrytitle></citerefentry>.
|
|
</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
<varlistentry>
|
|
<term><emphasis>Depth</emphasis></term>
|
|
<listitem>
|
|
<para>
|
|
Each depth value is multiplied by <constant>GL_DEPTH_SCALE</constant>,
|
|
added to <constant>GL_DEPTH_BIAS</constant>,
|
|
then clamped to the range
|
|
<inlineequation><mml:math>
|
|
<!-- eqn: [0,1]:-->
|
|
<mml:mfenced open="[" close="]">
|
|
<mml:mn>0</mml:mn>
|
|
<mml:mn>1</mml:mn>
|
|
</mml:mfenced>
|
|
</mml:math></inlineequation>.
|
|
</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
<varlistentry>
|
|
<term><emphasis>Stencil</emphasis></term>
|
|
<listitem>
|
|
<para>
|
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Each index is shifted <constant>GL_INDEX_SHIFT</constant> bits just as a color index is,
|
|
then added to <constant>GL_INDEX_OFFSET</constant>.
|
|
If <constant>GL_MAP_STENCIL</constant> is true,
|
|
each index is masked by
|
|
<inlineequation><mml:math>
|
|
<!-- eqn: 2 sup n - 1:-->
|
|
<mml:mrow>
|
|
<mml:msup><mml:mn>2</mml:mn>
|
|
<mml:mi mathvariant="italic">n</mml:mi>
|
|
</mml:msup>
|
|
<mml:mo>-</mml:mo>
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<mml:mn>1</mml:mn>
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</mml:mrow>
|
|
</mml:math></inlineequation>,
|
|
where
|
|
<inlineequation><mml:math><mml:mi mathvariant="italic">n</mml:mi></mml:math></inlineequation>
|
|
is <constant>GL_PIXEL_MAP_S_TO_S_SIZE</constant>,
|
|
then replaced by the contents of <constant>GL_PIXEL_MAP_S_TO_S</constant> indexed by the
|
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masked value.
|
|
</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
</variablelist>
|
|
<para>
|
|
The following table gives the type,
|
|
initial value,
|
|
and range of valid values for each of the pixel transfer parameters
|
|
that are set with <function>glPixelTransfer</function>.
|
|
</para>
|
|
<para>
|
|
</para>
|
|
<informaltable frame="topbot">
|
|
<tgroup cols="4" align="left">
|
|
<colspec colwidth="4*" />
|
|
<colspec colwidth="1*" align="center"/>
|
|
<colspec colwidth="1*" align="center"/>
|
|
<colspec colwidth="2*" align="center"/>
|
|
<thead>
|
|
<row>
|
|
<entry rowsep="1" align="left"><emphasis role="bold">
|
|
<parameter>pname</parameter>
|
|
</emphasis></entry>
|
|
<entry rowsep="1" align="center"><emphasis role="bold">
|
|
Type
|
|
</emphasis></entry>
|
|
<entry rowsep="1" align="center"><emphasis role="bold">
|
|
Initial Value
|
|
</emphasis></entry>
|
|
<entry rowsep="1" align="center"><emphasis role="bold">
|
|
Valid Range
|
|
</emphasis></entry>
|
|
</row>
|
|
</thead>
|
|
<tbody>
|
|
<row>
|
|
<entry align="left">
|
|
<constant>GL_MAP_COLOR</constant>
|
|
</entry>
|
|
<entry align="center">
|
|
boolean
|
|
</entry>
|
|
<entry align="center">
|
|
false
|
|
</entry>
|
|
<entry align="center">
|
|
true/false
|
|
</entry>
|
|
</row>
|
|
<row>
|
|
<entry align="left">
|
|
<constant>GL_MAP_STENCIL</constant>
|
|
</entry>
|
|
<entry align="center">
|
|
boolean
|
|
</entry>
|
|
<entry align="center">
|
|
false
|
|
</entry>
|
|
<entry align="center">
|
|
true/false
|
|
</entry>
|
|
</row>
|
|
<row>
|
|
<entry align="left">
|
|
<constant>GL_INDEX_SHIFT</constant>
|
|
</entry>
|
|
<entry align="center">
|
|
integer
|
|
</entry>
|
|
<entry align="center">
|
|
0
|
|
</entry>
|
|
<entry align="center">
|
|
<inlineequation><mml:math>
|
|
<!-- eqn: left ( -\(if, \(if right ):-->
|
|
<mml:mfenced open="(" close=")">
|
|
<mml:mrow>
|
|
<mml:mo>-</mml:mo>
|
|
<mml:infinity/>
|
|
</mml:mrow>
|
|
<mml:infinity/>
|
|
</mml:mfenced>
|
|
</mml:math></inlineequation>
|
|
</entry>
|
|
</row>
|
|
<row>
|
|
<entry align="left">
|
|
<constant>GL_INDEX_OFFSET</constant>
|
|
</entry>
|
|
<entry align="center">
|
|
integer
|
|
</entry>
|
|
<entry align="center">
|
|
0
|
|
</entry>
|
|
<entry align="center">
|
|
<inlineequation><mml:math>
|
|
<!-- eqn: left ( -\(if, \(if right ):-->
|
|
<mml:mfenced open="(" close=")">
|
|
<mml:mrow>
|
|
<mml:mo>-</mml:mo>
|
|
<mml:infinity/>
|
|
</mml:mrow>
|
|
<mml:infinity/>
|
|
</mml:mfenced>
|
|
</mml:math></inlineequation>
|
|
</entry>
|
|
</row>
|
|
<row>
|
|
<entry align="left">
|
|
<constant>GL_RED_SCALE</constant>
|
|
</entry>
|
|
<entry align="center">
|
|
float
|
|
</entry>
|
|
<entry align="center">
|
|
1
|
|
</entry>
|
|
<entry align="center">
|
|
<inlineequation><mml:math>
|
|
<!-- eqn: left ( -\(if, \(if right ):-->
|
|
<mml:mfenced open="(" close=")">
|
|
<mml:mrow>
|
|
<mml:mo>-</mml:mo>
|
|
<mml:infinity/>
|
|
</mml:mrow>
|
|
<mml:infinity/>
|
|
</mml:mfenced>
|
|
</mml:math></inlineequation>
|
|
</entry>
|
|
</row>
|
|
<row>
|
|
<entry align="left">
|
|
<constant>GL_GREEN_SCALE</constant>
|
|
</entry>
|
|
<entry align="center">
|
|
float
|
|
</entry>
|
|
<entry align="center">
|
|
1
|
|
</entry>
|
|
<entry align="center">
|
|
<inlineequation><mml:math>
|
|
<!-- eqn: left ( -\(if, \(if right ):-->
|
|
<mml:mfenced open="(" close=")">
|
|
<mml:mrow>
|
|
<mml:mo>-</mml:mo>
|
|
<mml:infinity/>
|
|
</mml:mrow>
|
|
<mml:infinity/>
|
|
</mml:mfenced>
|
|
</mml:math></inlineequation>
|
|
</entry>
|
|
</row>
|
|
<row>
|
|
<entry align="left">
|
|
<constant>GL_BLUE_SCALE</constant>
|
|
</entry>
|
|
<entry align="center">
|
|
float
|
|
</entry>
|
|
<entry align="center">
|
|
1
|
|
</entry>
|
|
<entry align="center">
|
|
<inlineequation><mml:math>
|
|
<!-- eqn: left ( -\(if, \(if right ):-->
|
|
<mml:mfenced open="(" close=")">
|
|
<mml:mrow>
|
|
<mml:mo>-</mml:mo>
|
|
<mml:infinity/>
|
|
</mml:mrow>
|
|
<mml:infinity/>
|
|
</mml:mfenced>
|
|
</mml:math></inlineequation>
|
|
</entry>
|
|
</row>
|
|
<row>
|
|
<entry align="left">
|
|
<constant>GL_ALPHA_SCALE</constant>
|
|
</entry>
|
|
<entry align="center">
|
|
float
|
|
</entry>
|
|
<entry align="center">
|
|
1
|
|
</entry>
|
|
<entry align="center">
|
|
<inlineequation><mml:math>
|
|
<!-- eqn: left ( -\(if, \(if right ):-->
|
|
<mml:mfenced open="(" close=")">
|
|
<mml:mrow>
|
|
<mml:mo>-</mml:mo>
|
|
<mml:infinity/>
|
|
</mml:mrow>
|
|
<mml:infinity/>
|
|
</mml:mfenced>
|
|
</mml:math></inlineequation>
|
|
</entry>
|
|
</row>
|
|
<row>
|
|
<entry align="left">
|
|
<constant>GL_DEPTH_SCALE</constant>
|
|
</entry>
|
|
<entry align="center">
|
|
float
|
|
</entry>
|
|
<entry align="center">
|
|
1
|
|
</entry>
|
|
<entry align="center">
|
|
<inlineequation><mml:math>
|
|
<!-- eqn: left ( -\(if, \(if right ):-->
|
|
<mml:mfenced open="(" close=")">
|
|
<mml:mrow>
|
|
<mml:mo>-</mml:mo>
|
|
<mml:infinity/>
|
|
</mml:mrow>
|
|
<mml:infinity/>
|
|
</mml:mfenced>
|
|
</mml:math></inlineequation>
|
|
</entry>
|
|
</row>
|
|
<row>
|
|
<entry align="left">
|
|
<constant>GL_RED_BIAS</constant>
|
|
</entry>
|
|
<entry align="center">
|
|
float
|
|
</entry>
|
|
<entry align="center">
|
|
0
|
|
</entry>
|
|
<entry align="center">
|
|
<inlineequation><mml:math>
|
|
<!-- eqn: left ( -\(if, \(if right ):-->
|
|
<mml:mfenced open="(" close=")">
|
|
<mml:mrow>
|
|
<mml:mo>-</mml:mo>
|
|
<mml:infinity/>
|
|
</mml:mrow>
|
|
<mml:infinity/>
|
|
</mml:mfenced>
|
|
</mml:math></inlineequation>
|
|
</entry>
|
|
</row>
|
|
<row>
|
|
<entry align="left">
|
|
<constant>GL_GREEN_BIAS</constant>
|
|
</entry>
|
|
<entry align="center">
|
|
float
|
|
</entry>
|
|
<entry align="center">
|
|
0
|
|
</entry>
|
|
<entry align="center">
|
|
<inlineequation><mml:math>
|
|
<!-- eqn: left ( -\(if, \(if right ):-->
|
|
<mml:mfenced open="(" close=")">
|
|
<mml:mrow>
|
|
<mml:mo>-</mml:mo>
|
|
<mml:infinity/>
|
|
</mml:mrow>
|
|
<mml:infinity/>
|
|
</mml:mfenced>
|
|
</mml:math></inlineequation>
|
|
</entry>
|
|
</row>
|
|
<row>
|
|
<entry align="left">
|
|
<constant>GL_BLUE_BIAS</constant>
|
|
</entry>
|
|
<entry align="center">
|
|
float
|
|
</entry>
|
|
<entry align="center">
|
|
0
|
|
</entry>
|
|
<entry align="center">
|
|
<inlineequation><mml:math>
|
|
<!-- eqn: left ( -\(if, \(if right ):-->
|
|
<mml:mfenced open="(" close=")">
|
|
<mml:mrow>
|
|
<mml:mo>-</mml:mo>
|
|
<mml:infinity/>
|
|
</mml:mrow>
|
|
<mml:infinity/>
|
|
</mml:mfenced>
|
|
</mml:math></inlineequation>
|
|
</entry>
|
|
</row>
|
|
<row>
|
|
<entry align="left">
|
|
<constant>GL_ALPHA_BIAS</constant>
|
|
</entry>
|
|
<entry align="center">
|
|
float
|
|
</entry>
|
|
<entry align="center">
|
|
0
|
|
</entry>
|
|
<entry align="center">
|
|
<inlineequation><mml:math>
|
|
<!-- eqn: left ( -\(if, \(if right ):-->
|
|
<mml:mfenced open="(" close=")">
|
|
<mml:mrow>
|
|
<mml:mo>-</mml:mo>
|
|
<mml:infinity/>
|
|
</mml:mrow>
|
|
<mml:infinity/>
|
|
</mml:mfenced>
|
|
</mml:math></inlineequation>
|
|
</entry>
|
|
</row>
|
|
<row>
|
|
<entry align="left">
|
|
<constant>GL_DEPTH_BIAS</constant>
|
|
</entry>
|
|
<entry align="center">
|
|
float
|
|
</entry>
|
|
<entry align="center">
|
|
0
|
|
</entry>
|
|
<entry align="center">
|
|
<inlineequation><mml:math>
|
|
<!-- eqn: left ( -\(if, \(if right ):-->
|
|
<mml:mfenced open="(" close=")">
|
|
<mml:mrow>
|
|
<mml:mo>-</mml:mo>
|
|
<mml:infinity/>
|
|
</mml:mrow>
|
|
<mml:infinity/>
|
|
</mml:mfenced>
|
|
</mml:math></inlineequation>
|
|
</entry>
|
|
</row>
|
|
<row>
|
|
<entry align="left">
|
|
<constant>GL_POST_COLOR_MATRIX_RED_SCALE</constant>
|
|
</entry>
|
|
<entry align="center">
|
|
float
|
|
</entry>
|
|
<entry align="center">
|
|
1
|
|
</entry>
|
|
<entry align="center">
|
|
<inlineequation><mml:math>
|
|
<!-- eqn: left ( -\(if, \(if right ):-->
|
|
<mml:mfenced open="(" close=")">
|
|
<mml:mrow>
|
|
<mml:mo>-</mml:mo>
|
|
<mml:infinity/>
|
|
</mml:mrow>
|
|
<mml:infinity/>
|
|
</mml:mfenced>
|
|
</mml:math></inlineequation>
|
|
</entry>
|
|
</row>
|
|
<row>
|
|
<entry align="left">
|
|
<constant>GL_POST_COLOR_MATRIX_GREEN_SCALE</constant>
|
|
</entry>
|
|
<entry align="center">
|
|
float
|
|
</entry>
|
|
<entry align="center">
|
|
1
|
|
</entry>
|
|
<entry align="center">
|
|
<inlineequation><mml:math>
|
|
<!-- eqn: left ( -\(if, \(if right ):-->
|
|
<mml:mfenced open="(" close=")">
|
|
<mml:mrow>
|
|
<mml:mo>-</mml:mo>
|
|
<mml:infinity/>
|
|
</mml:mrow>
|
|
<mml:infinity/>
|
|
</mml:mfenced>
|
|
</mml:math></inlineequation>
|
|
</entry>
|
|
</row>
|
|
<row>
|
|
<entry align="left">
|
|
<constant>GL_POST_COLOR_MATRIX_BLUE_SCALE</constant>
|
|
</entry>
|
|
<entry align="center">
|
|
float
|
|
</entry>
|
|
<entry align="center">
|
|
1
|
|
</entry>
|
|
<entry align="center">
|
|
<inlineequation><mml:math>
|
|
<!-- eqn: left ( -\(if, \(if right ):-->
|
|
<mml:mfenced open="(" close=")">
|
|
<mml:mrow>
|
|
<mml:mo>-</mml:mo>
|
|
<mml:infinity/>
|
|
</mml:mrow>
|
|
<mml:infinity/>
|
|
</mml:mfenced>
|
|
</mml:math></inlineequation>
|
|
</entry>
|
|
</row>
|
|
<row>
|
|
<entry align="left">
|
|
<constant>GL_POST_COLOR_MATRIX_ALPHA_SCALE</constant>
|
|
</entry>
|
|
<entry align="center">
|
|
float
|
|
</entry>
|
|
<entry align="center">
|
|
1
|
|
</entry>
|
|
<entry align="center">
|
|
<inlineequation><mml:math>
|
|
<!-- eqn: left ( -\(if, \(if right ):-->
|
|
<mml:mfenced open="(" close=")">
|
|
<mml:mrow>
|
|
<mml:mo>-</mml:mo>
|
|
<mml:infinity/>
|
|
</mml:mrow>
|
|
<mml:infinity/>
|
|
</mml:mfenced>
|
|
</mml:math></inlineequation>
|
|
</entry>
|
|
</row>
|
|
<row>
|
|
<entry align="left">
|
|
<constant>GL_POST_COLOR_MATRIX_RED_BIAS</constant>
|
|
</entry>
|
|
<entry align="center">
|
|
float
|
|
</entry>
|
|
<entry align="center">
|
|
0
|
|
</entry>
|
|
<entry align="center">
|
|
<inlineequation><mml:math>
|
|
<!-- eqn: left ( -\(if, \(if right ):-->
|
|
<mml:mfenced open="(" close=")">
|
|
<mml:mrow>
|
|
<mml:mo>-</mml:mo>
|
|
<mml:infinity/>
|
|
</mml:mrow>
|
|
<mml:infinity/>
|
|
</mml:mfenced>
|
|
</mml:math></inlineequation>
|
|
</entry>
|
|
</row>
|
|
<row>
|
|
<entry align="left">
|
|
<constant>GL_POST_COLOR_MATRIX_GREEN_BIAS</constant>
|
|
</entry>
|
|
<entry align="center">
|
|
float
|
|
</entry>
|
|
<entry align="center">
|
|
0
|
|
</entry>
|
|
<entry align="center">
|
|
<inlineequation><mml:math>
|
|
<!-- eqn: left ( -\(if, \(if right ):-->
|
|
<mml:mfenced open="(" close=")">
|
|
<mml:mrow>
|
|
<mml:mo>-</mml:mo>
|
|
<mml:infinity/>
|
|
</mml:mrow>
|
|
<mml:infinity/>
|
|
</mml:mfenced>
|
|
</mml:math></inlineequation>
|
|
</entry>
|
|
</row>
|
|
<row>
|
|
<entry align="left">
|
|
<constant>GL_POST_COLOR_MATRIX_BLUE_BIAS</constant>
|
|
</entry>
|
|
<entry align="center">
|
|
float
|
|
</entry>
|
|
<entry align="center">
|
|
0
|
|
</entry>
|
|
<entry align="center">
|
|
<inlineequation><mml:math>
|
|
<!-- eqn: left ( -\(if, \(if right ):-->
|
|
<mml:mfenced open="(" close=")">
|
|
<mml:mrow>
|
|
<mml:mo>-</mml:mo>
|
|
<mml:infinity/>
|
|
</mml:mrow>
|
|
<mml:infinity/>
|
|
</mml:mfenced>
|
|
</mml:math></inlineequation>
|
|
</entry>
|
|
</row>
|
|
<row>
|
|
<entry align="left">
|
|
<constant>GL_POST_COLOR_MATRIX_ALPHA_BIAS</constant>
|
|
</entry>
|
|
<entry align="center">
|
|
float
|
|
</entry>
|
|
<entry align="center">
|
|
0
|
|
</entry>
|
|
<entry align="center">
|
|
<inlineequation><mml:math>
|
|
<!-- eqn: left ( -\(if, \(if right ):-->
|
|
<mml:mfenced open="(" close=")">
|
|
<mml:mrow>
|
|
<mml:mo>-</mml:mo>
|
|
<mml:infinity/>
|
|
</mml:mrow>
|
|
<mml:infinity/>
|
|
</mml:mfenced>
|
|
</mml:math></inlineequation>
|
|
</entry>
|
|
</row>
|
|
<row>
|
|
<entry align="left">
|
|
<constant>GL_POST_CONVOLUTION_RED_SCALE</constant>
|
|
</entry>
|
|
<entry align="center">
|
|
float
|
|
</entry>
|
|
<entry align="center">
|
|
1
|
|
</entry>
|
|
<entry align="center">
|
|
<inlineequation><mml:math>
|
|
<!-- eqn: left ( -\(if, \(if right ):-->
|
|
<mml:mfenced open="(" close=")">
|
|
<mml:mrow>
|
|
<mml:mo>-</mml:mo>
|
|
<mml:infinity/>
|
|
</mml:mrow>
|
|
<mml:infinity/>
|
|
</mml:mfenced>
|
|
</mml:math></inlineequation>
|
|
</entry>
|
|
</row>
|
|
<row>
|
|
<entry align="left">
|
|
<constant>GL_POST_CONVOLUTION_GREEN_SCALE</constant>
|
|
</entry>
|
|
<entry align="center">
|
|
float
|
|
</entry>
|
|
<entry align="center">
|
|
1
|
|
</entry>
|
|
<entry align="center">
|
|
<inlineequation><mml:math>
|
|
<!-- eqn: left ( -\(if, \(if right ):-->
|
|
<mml:mfenced open="(" close=")">
|
|
<mml:mrow>
|
|
<mml:mo>-</mml:mo>
|
|
<mml:infinity/>
|
|
</mml:mrow>
|
|
<mml:infinity/>
|
|
</mml:mfenced>
|
|
</mml:math></inlineequation>
|
|
</entry>
|
|
</row>
|
|
<row>
|
|
<entry align="left">
|
|
<constant>GL_POST_CONVOLUTION_BLUE_SCALE</constant>
|
|
</entry>
|
|
<entry align="center">
|
|
float
|
|
</entry>
|
|
<entry align="center">
|
|
1
|
|
</entry>
|
|
<entry align="center">
|
|
<inlineequation><mml:math>
|
|
<!-- eqn: left ( -\(if, \(if right ):-->
|
|
<mml:mfenced open="(" close=")">
|
|
<mml:mrow>
|
|
<mml:mo>-</mml:mo>
|
|
<mml:infinity/>
|
|
</mml:mrow>
|
|
<mml:infinity/>
|
|
</mml:mfenced>
|
|
</mml:math></inlineequation>
|
|
</entry>
|
|
</row>
|
|
<row>
|
|
<entry align="left">
|
|
<constant>GL_POST_CONVOLUTION_ALPHA_SCALE</constant>
|
|
</entry>
|
|
<entry align="center">
|
|
float
|
|
</entry>
|
|
<entry align="center">
|
|
1
|
|
</entry>
|
|
<entry align="center">
|
|
<inlineequation><mml:math>
|
|
<!-- eqn: left ( -\(if, \(if right ):-->
|
|
<mml:mfenced open="(" close=")">
|
|
<mml:mrow>
|
|
<mml:mo>-</mml:mo>
|
|
<mml:infinity/>
|
|
</mml:mrow>
|
|
<mml:infinity/>
|
|
</mml:mfenced>
|
|
</mml:math></inlineequation>
|
|
</entry>
|
|
</row>
|
|
<row>
|
|
<entry align="left">
|
|
<constant>GL_POST_CONVOLUTION_RED_BIAS</constant>
|
|
</entry>
|
|
<entry align="center">
|
|
float
|
|
</entry>
|
|
<entry align="center">
|
|
0
|
|
</entry>
|
|
<entry align="center">
|
|
<inlineequation><mml:math>
|
|
<!-- eqn: left ( -\(if, \(if right ):-->
|
|
<mml:mfenced open="(" close=")">
|
|
<mml:mrow>
|
|
<mml:mo>-</mml:mo>
|
|
<mml:infinity/>
|
|
</mml:mrow>
|
|
<mml:infinity/>
|
|
</mml:mfenced>
|
|
</mml:math></inlineequation>
|
|
</entry>
|
|
</row>
|
|
<row>
|
|
<entry align="left">
|
|
<constant>GL_POST_CONVOLUTION_GREEN_BIAS</constant>
|
|
</entry>
|
|
<entry align="center">
|
|
float
|
|
</entry>
|
|
<entry align="center">
|
|
0
|
|
</entry>
|
|
<entry align="center">
|
|
<inlineequation><mml:math>
|
|
<!-- eqn: left ( -\(if, \(if right ):-->
|
|
<mml:mfenced open="(" close=")">
|
|
<mml:mrow>
|
|
<mml:mo>-</mml:mo>
|
|
<mml:infinity/>
|
|
</mml:mrow>
|
|
<mml:infinity/>
|
|
</mml:mfenced>
|
|
</mml:math></inlineequation>
|
|
</entry>
|
|
</row>
|
|
<row>
|
|
<entry align="left">
|
|
<constant>GL_POST_CONVOLUTION_BLUE_BIAS</constant>
|
|
</entry>
|
|
<entry align="center">
|
|
float
|
|
</entry>
|
|
<entry align="center">
|
|
0
|
|
</entry>
|
|
<entry align="center">
|
|
<inlineequation><mml:math>
|
|
<!-- eqn: left ( -\(if, \(if right ):-->
|
|
<mml:mfenced open="(" close=")">
|
|
<mml:mrow>
|
|
<mml:mo>-</mml:mo>
|
|
<mml:infinity/>
|
|
</mml:mrow>
|
|
<mml:infinity/>
|
|
</mml:mfenced>
|
|
</mml:math></inlineequation>
|
|
</entry>
|
|
</row>
|
|
<row>
|
|
<entry align="left">
|
|
<constant>GL_POST_CONVOLUTION_ALPHA_BIAS</constant>
|
|
</entry>
|
|
<entry align="center">
|
|
float
|
|
</entry>
|
|
<entry align="center">
|
|
0
|
|
</entry>
|
|
<entry align="center">
|
|
<inlineequation><mml:math>
|
|
<!-- eqn: left ( -\(if, \(if right ):-->
|
|
<mml:mfenced open="(" close=")">
|
|
<mml:mrow>
|
|
<mml:mo>-</mml:mo>
|
|
<mml:infinity/>
|
|
</mml:mrow>
|
|
<mml:infinity/>
|
|
</mml:mfenced>
|
|
</mml:math></inlineequation>
|
|
</entry>
|
|
</row>
|
|
</tbody>
|
|
</tgroup>
|
|
</informaltable>
|
|
<para>
|
|
<function>glPixelTransferf</function> can be used to set any pixel transfer parameter.
|
|
If the parameter type is boolean,
|
|
0 implies false and any other value implies true.
|
|
If <parameter>pname</parameter> is an integer parameter,
|
|
<parameter>param</parameter> is rounded to the nearest integer.
|
|
</para>
|
|
<para>
|
|
Likewise,
|
|
<function>glPixelTransferi</function> can be used to set any of the
|
|
pixel transfer parameters.
|
|
Boolean parameters are set to false if <parameter>param</parameter> is 0 and to true otherwise.
|
|
<parameter>param</parameter> is converted to floating point before being assigned to real-valued parameters.
|
|
</para>
|
|
</refsect1>
|
|
<refsect1 id="notes"><title>Notes</title>
|
|
<para>
|
|
If a
|
|
<citerefentry><refentrytitle>glColorTable</refentrytitle></citerefentry>,
|
|
<citerefentry><refentrytitle>glColorSubTable</refentrytitle></citerefentry>,
|
|
<citerefentry><refentrytitle>glConvolutionFilter1D</refentrytitle></citerefentry>,
|
|
<citerefentry><refentrytitle>glConvolutionFilter2D</refentrytitle></citerefentry>,
|
|
<citerefentry><refentrytitle>glCopyPixels</refentrytitle></citerefentry>,
|
|
<citerefentry><refentrytitle>glCopyTexImage1D</refentrytitle></citerefentry>,
|
|
<citerefentry><refentrytitle>glCopyTexImage2D</refentrytitle></citerefentry>,
|
|
<citerefentry><refentrytitle>glCopyTexSubImage1D</refentrytitle></citerefentry>,
|
|
<citerefentry><refentrytitle>glCopyTexSubImage2D</refentrytitle></citerefentry>,
|
|
<citerefentry><refentrytitle>glCopyTexSubImage3D</refentrytitle></citerefentry>,
|
|
<citerefentry><refentrytitle>glDrawPixels</refentrytitle></citerefentry>,
|
|
<citerefentry><refentrytitle>glReadPixels</refentrytitle></citerefentry>,
|
|
<citerefentry><refentrytitle>glSeparableFilter2D</refentrytitle></citerefentry>,
|
|
<citerefentry><refentrytitle>glTexImage1D</refentrytitle></citerefentry>,
|
|
<citerefentry><refentrytitle>glTexImage2D</refentrytitle></citerefentry>,
|
|
<citerefentry><refentrytitle>glTexImage3D</refentrytitle></citerefentry>,
|
|
<citerefentry><refentrytitle>glTexSubImage1D</refentrytitle></citerefentry>,
|
|
<citerefentry><refentrytitle>glTexSubImage2D</refentrytitle></citerefentry>, or
|
|
<citerefentry><refentrytitle>glTexSubImage3D</refentrytitle></citerefentry>
|
|
command is placed in a display list
|
|
(see <citerefentry><refentrytitle>glNewList</refentrytitle></citerefentry> and <citerefentry><refentrytitle>glCallList</refentrytitle></citerefentry>),
|
|
the pixel transfer mode settings in effect when the display list is
|
|
<emphasis>executed</emphasis>
|
|
are the ones that are used.
|
|
They may be different from the settings when the command was compiled
|
|
into the display list.
|
|
</para>
|
|
</refsect1>
|
|
<refsect1 id="errors"><title>Errors</title>
|
|
<para>
|
|
<constant>GL_INVALID_ENUM</constant> is generated if <parameter>pname</parameter> is not an accepted value.
|
|
</para>
|
|
<para>
|
|
<constant>GL_INVALID_OPERATION</constant> is generated if <function>glPixelTransfer</function>
|
|
is executed between the execution of <citerefentry><refentrytitle>glBegin</refentrytitle></citerefentry>
|
|
and the corresponding execution of <citerefentry><refentrytitle>glEnd</refentrytitle></citerefentry>.
|
|
</para>
|
|
</refsect1>
|
|
<refsect1 id="associatedgets"><title>Associated Gets</title>
|
|
<para>
|
|
<citerefentry><refentrytitle>glGet</refentrytitle></citerefentry> with argument <constant>GL_MAP_COLOR</constant>
|
|
</para>
|
|
<para>
|
|
<citerefentry><refentrytitle>glGet</refentrytitle></citerefentry> with argument <constant>GL_MAP_STENCIL</constant>
|
|
</para>
|
|
<para>
|
|
<citerefentry><refentrytitle>glGet</refentrytitle></citerefentry> with argument <constant>GL_INDEX_SHIFT</constant>
|
|
</para>
|
|
<para>
|
|
<citerefentry><refentrytitle>glGet</refentrytitle></citerefentry> with argument <constant>GL_INDEX_OFFSET</constant>
|
|
</para>
|
|
<para>
|
|
<citerefentry><refentrytitle>glGet</refentrytitle></citerefentry> with argument <constant>GL_RED_SCALE</constant>
|
|
</para>
|
|
<para>
|
|
<citerefentry><refentrytitle>glGet</refentrytitle></citerefentry> with argument <constant>GL_RED_BIAS</constant>
|
|
</para>
|
|
<para>
|
|
<citerefentry><refentrytitle>glGet</refentrytitle></citerefentry> with argument <constant>GL_GREEN_SCALE</constant>
|
|
</para>
|
|
<para>
|
|
<citerefentry><refentrytitle>glGet</refentrytitle></citerefentry> with argument <constant>GL_GREEN_BIAS</constant>
|
|
</para>
|
|
<para>
|
|
<citerefentry><refentrytitle>glGet</refentrytitle></citerefentry> with argument <constant>GL_BLUE_SCALE</constant>
|
|
</para>
|
|
<para>
|
|
<citerefentry><refentrytitle>glGet</refentrytitle></citerefentry> with argument <constant>GL_BLUE_BIAS</constant>
|
|
</para>
|
|
<para>
|
|
<citerefentry><refentrytitle>glGet</refentrytitle></citerefentry> with argument <constant>GL_ALPHA_SCALE</constant>
|
|
</para>
|
|
<para>
|
|
<citerefentry><refentrytitle>glGet</refentrytitle></citerefentry> with argument <constant>GL_ALPHA_BIAS</constant>
|
|
</para>
|
|
<para>
|
|
<citerefentry><refentrytitle>glGet</refentrytitle></citerefentry> with argument <constant>GL_DEPTH_SCALE</constant>
|
|
</para>
|
|
<para>
|
|
<citerefentry><refentrytitle>glGet</refentrytitle></citerefentry> with argument <constant>GL_DEPTH_BIAS</constant>
|
|
</para>
|
|
<para>
|
|
<citerefentry><refentrytitle>glGet</refentrytitle></citerefentry> with argument <constant>GL_POST_COLOR_MATRIX_RED_SCALE</constant>
|
|
</para>
|
|
<para>
|
|
<citerefentry><refentrytitle>glGet</refentrytitle></citerefentry> with argument <constant>GL_POST_COLOR_MATRIX_RED_BIAS</constant>
|
|
</para>
|
|
<para>
|
|
<citerefentry><refentrytitle>glGet</refentrytitle></citerefentry> with argument <constant>GL_POST_COLOR_MATRIX_GREEN_SCALE</constant>
|
|
</para>
|
|
<para>
|
|
<citerefentry><refentrytitle>glGet</refentrytitle></citerefentry> with argument <constant>GL_POST_COLOR_MATRIX_GREEN_BIAS</constant>
|
|
</para>
|
|
<para>
|
|
<citerefentry><refentrytitle>glGet</refentrytitle></citerefentry> with argument <constant>GL_POST_COLOR_MATRIX_BLUE_SCALE</constant>
|
|
</para>
|
|
<para>
|
|
<citerefentry><refentrytitle>glGet</refentrytitle></citerefentry> with argument <constant>GL_POST_COLOR_MATRIX_BLUE_BIAS</constant>
|
|
</para>
|
|
<para>
|
|
<citerefentry><refentrytitle>glGet</refentrytitle></citerefentry> with argument <constant>GL_POST_COLOR_MATRIX_ALPHA_SCALE</constant>
|
|
</para>
|
|
<para>
|
|
<citerefentry><refentrytitle>glGet</refentrytitle></citerefentry> with argument <constant>GL_POST_COLOR_MATRIX_ALPHA_BIAS</constant>
|
|
</para>
|
|
<para>
|
|
<citerefentry><refentrytitle>glGet</refentrytitle></citerefentry> with argument <constant>GL_POST_CONVOLUTION_RED_SCALE</constant>
|
|
</para>
|
|
<para>
|
|
<citerefentry><refentrytitle>glGet</refentrytitle></citerefentry> with argument <constant>GL_POST_CONVOLUTION_RED_BIAS</constant>
|
|
</para>
|
|
<para>
|
|
<citerefentry><refentrytitle>glGet</refentrytitle></citerefentry> with argument <constant>GL_POST_CONVOLUTION_GREEN_SCALE</constant>
|
|
</para>
|
|
<para>
|
|
<citerefentry><refentrytitle>glGet</refentrytitle></citerefentry> with argument <constant>GL_POST_CONVOLUTION_GREEN_BIAS</constant>
|
|
</para>
|
|
<para>
|
|
<citerefentry><refentrytitle>glGet</refentrytitle></citerefentry> with argument <constant>GL_POST_CONVOLUTION_BLUE_SCALE</constant>
|
|
</para>
|
|
<para>
|
|
<citerefentry><refentrytitle>glGet</refentrytitle></citerefentry> with argument <constant>GL_POST_CONVOLUTION_BLUE_BIAS</constant>
|
|
</para>
|
|
<para>
|
|
<citerefentry><refentrytitle>glGet</refentrytitle></citerefentry> with argument <constant>GL_POST_CONVOLUTION_ALPHA_SCALE</constant>
|
|
</para>
|
|
<para>
|
|
<citerefentry><refentrytitle>glGet</refentrytitle></citerefentry> with argument <constant>GL_POST_CONVOLUTION_ALPHA_BIAS</constant>
|
|
</para>
|
|
</refsect1>
|
|
<refsect1 id="seealso"><title>See Also</title>
|
|
<para>
|
|
<citerefentry><refentrytitle>glCallList</refentrytitle></citerefentry>,
|
|
<citerefentry><refentrytitle>glColorTable</refentrytitle></citerefentry>,
|
|
<citerefentry><refentrytitle>glColorSubTable</refentrytitle></citerefentry>,
|
|
<citerefentry><refentrytitle>glConvolutionFilter1D</refentrytitle></citerefentry>,
|
|
<citerefentry><refentrytitle>glConvolutionFilter2D</refentrytitle></citerefentry>,
|
|
<citerefentry><refentrytitle>glCopyPixels</refentrytitle></citerefentry>,
|
|
<citerefentry><refentrytitle>glCopyTexImage1D</refentrytitle></citerefentry>,
|
|
<citerefentry><refentrytitle>glCopyTexImage2D</refentrytitle></citerefentry>,
|
|
<citerefentry><refentrytitle>glCopyTexSubImage1D</refentrytitle></citerefentry>,
|
|
<citerefentry><refentrytitle>glCopyTexSubImage2D</refentrytitle></citerefentry>,
|
|
<citerefentry><refentrytitle>glCopyTexSubImage3D</refentrytitle></citerefentry>,
|
|
<citerefentry><refentrytitle>glDrawPixels</refentrytitle></citerefentry>,
|
|
<citerefentry><refentrytitle>glNewList</refentrytitle></citerefentry>,
|
|
<citerefentry><refentrytitle>glPixelMap</refentrytitle></citerefentry>,
|
|
<citerefentry><refentrytitle>glPixelStore</refentrytitle></citerefentry>,
|
|
<citerefentry><refentrytitle>glPixelZoom</refentrytitle></citerefentry>,
|
|
<citerefentry><refentrytitle>glReadPixels</refentrytitle></citerefentry>,
|
|
<citerefentry><refentrytitle>glTexImage1D</refentrytitle></citerefentry>,
|
|
<citerefentry><refentrytitle>glTexImage2D</refentrytitle></citerefentry>,
|
|
<citerefentry><refentrytitle>glTexImage3D</refentrytitle></citerefentry>,
|
|
<citerefentry><refentrytitle>glTexSubImage1D</refentrytitle></citerefentry>,
|
|
<citerefentry><refentrytitle>glTexSubImage2D</refentrytitle></citerefentry>,
|
|
<citerefentry><refentrytitle>glTexSubImage3D</refentrytitle></citerefentry>
|
|
</para>
|
|
</refsect1>
|
|
<refsect1 id="Copyright"><title>Copyright</title>
|
|
<para>
|
|
Copyright <trademark class="copyright"></trademark> 1991-2006
|
|
Silicon Graphics, Inc. This document is licensed under the SGI
|
|
Free Software B License. For details, see
|
|
<ulink url="http://oss.sgi.com/projects/FreeB/">http://oss.sgi.com/projects/FreeB/</ulink>.
|
|
</para>
|
|
</refsect1>
|
|
</refentry>
|