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gluScaleImage - ??????Ǥ?դ??礭?????Ѥ???

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GLint gluScaleImage( GLenum format,

	GLsizei wIn,
	GLsizei hIn,
	GLenum typeIn,
	const void *dataIn,
	GLsizei wOut,
	GLsizei hOut,
	GLenum typeOut,
	GLvoid* dataOut )

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format

?ԥ??????ǡ????????ꤹ?롣 ͭ???ʥ????ܥ??ͤϼ????̤??Ǥ???: GL_COLOR_INDEX, GL_STENCIL_INDEX, GL_DEPTH_COMPONENT, GL_RED, GL_GREEN, GL_BLUE, GL_ALPHA, GL_RGB, GL_RGBA, GL_BGR, GL_BGRA, GL_LUMINANCE, GL_LUMINANCE_ALPHA??

wIn, hIn

???ϲ????ι⤵???????ԥ?????ñ?̤ǻ??ꤹ?롣

typeIn

dataIn ?Υǡ??????????ꤹ?롣 ???η??Τɤ줫?Ǥʤ????Фʤ??ʤ?: GL_UNSIGNED_BYTE, GL_BYTE, GL_BITMAP, GL_UNSIGNED_SHORT, GL_SHORT, GL_UNSIGNED_INT, GL_INT, GL_FLOAT, GL_UNSIGNED_BYTE_3_3_2, GL_UNSIGNED_BYTE_2_3_3_REV, GL_UNSIGNED_SHORT_5_6_5, GL_UNSIGNED_SHORT_5_6_5_REV, GL_UNSIGNED_SHORT_4_4_4_4, GL_UNSIGNED_SHORT_4_4_4_4_REV, GL_UNSIGNED_SHORT_5_5_5_1, GL_UNSIGNED_SHORT_1_5_5_5_REV, GL_UNSIGNED_INT_8_8_8_8, GL_UNSIGNED_INT_8_8_8_8_REV, GL_UNSIGNED_INT_10_10_10_2, GL_UNSIGNED_INT_2_10_10_10_REV??

dataIn

???ϲ??????ؤ??ݥ??󥿤????ꤹ?롣

wOut, hOut

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typeOut

dataOut ?Υǡ??????????ꤹ?롣 ???η??Τɤ줫?Ǥʤ????Фʤ??ʤ?: GL_UNSIGNED_BYTE, GL_BYTE, GL_BITMAP, GL_UNSIGNED_SHORT, GL_SHORT, GL_UNSIGNED_INT, GL_INT, GL_FLOAT, GL_UNSIGNED_BYTE_3_3_2, GL_UNSIGNED_BYTE_2_3_3_REV, GL_UNSIGNED_SHORT_5_6_5, GL_UNSIGNED_SHORT_5_6_5_REV, GL_UNSIGNED_SHORT_4_4_4_4, GL_UNSIGNED_SHORT_4_4_4_4_REV, GL_UNSIGNED_SHORT_5_5_5_1, GL_UNSIGNED_SHORT_1_5_5_5_REV, GL_UNSIGNED_INT_8_8_8_8, GL_UNSIGNED_INT_8_8_8_8_REV, GL_UNSIGNED_INT_10_10_10_2, GL_UNSIGNED_INT_2_10_10_10_REV??

dataOut

???ϲ??????ؤ??ݥ??󥿤????ꤹ?롣

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gluScaleImage ?ϥԥ??????????Υ????????ѹ????롣 ???κݤˤ?Ŭ?ڤʥԥ???????Ǽ?⡼?ɤ??Ѥ??????ϲ????????ǡ??????????Ф??? ???ϲ????˥ǡ???????Ǽ???롣

???????̾??????ݤˤϡ?gluScaleImage ?ϥܥå????ե??륿?? ?Ѥ??????ϲ????򥵥??ץ??󥰤??????ϲ????ѤΥԥ??????????????롣 ?????????礹???ݤˤϡ????ϲ????Υԥ??????ˤ????????֤??Ԥ??졢 ???ϲ??????????????롣

?֤??ͤ? 0 ?ξ???????????ɽ?????????ʳ??ξ????? GLU ?Υ??顼?????ɤ??? ??????(gluErrorString ?򻲾?)??

?????? format, typeIn, typeOut ?˻?????ǽ???ͤ? ?Ĥ??Ƥϡ?glReadPixels ?ι??ܤ򻲾Ȥ??뤳?ȡ?

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?ե????ޥå? GL_BGR, GL_BGRA ?????ӷ? GL_UNSIGNED_BYTE_3_3_2, GL_UNSIGNED_BYTE_2_3_3_REV, GL_UNSIGNED_SHORT_5_6_5, GL_UNSIGNED_SHORT_5_6_5_REV, GL_UNSIGNED_SHORT_4_4_4_4, GL_UNSIGNED_SHORT_4_4_4_4_REV, GL_UNSIGNED_SHORT_5_5_5_1, GL_UNSIGNED_SHORT_1_5_5_5_REV, GL_UNSIGNED_INT_8_8_8_8, GL_UNSIGNED_INT_8_8_8_8_REV, GL_UNSIGNED_INT_10_10_10_2, and GL_UNSIGNED_INT_2_10_10_10_REV ???????Ǥ????Τϡ??С??????? 1.2 ?ʹߤ? GL ?????Ǥ??롣

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wIn, hIn, wOut, hOut ?Τ????줫?????ξ????ˤ? GLU_INVALID_VALUE ???֤????롣

format, typeIn, typeOut ?Τ????줫???ͤ? ?????ʾ????ˤ? GLU_INVALID_ENUM ???֤????롣

typeIn ?ޤ??? typeOut ?? GL_UNSIGNED_BYTE_3_3_2 ?? GL_UNSIGNED_BYTE_2_3_3_REV ?Ǥ??ꡢ???? format ?? GL_RGB ?Ǥʤ??????ˤ? GLU_INVALID_OPERATION ???֤????롣

typeIn ?ޤ??? typeOut ?? GL_UNSIGNED_SHORT_5_6_5 ?? GL_UNSIGNED_SHORT_5_6_5_REV ?Ǥ??ꡢ???? format ?? GL_RGB ?Ǥʤ??????ˤ? GLU_INVALID_OPERATION ???֤????롣

typeIn ?ޤ??? typeOut ?? GL_UNSIGNED_SHORT_4_4_4_4 ?? GL_UNSIGNED_SHORT_4_4_4_4_REV ?Ǥ??ꡢ???? format ?? GL_RGBA ?? GL_BGRA ?? ???????Ǥ??ʤ????С?GLU_INVALID_OPERATION ???֤????롣

typeIn ?ޤ??? typeOut ?? GL_UNSIGNED_SHORT_5_5_5_1 ?? GL_UNSIGNED_SHORT_1_5_5_5_REV ?Ǥ??ꡢ???? format ?? GL_RGBA ?? GL_BGRA ?? ???????Ǥ??ʤ????С?GLU_INVALID_OPERATION ???֤????롣

typeIn ?ޤ??? typeOut ?? GL_UNSIGNED_INT_8_8_8_8 ?? GL_UNSIGNED_INT_8_8_8_8_REV ?Ǥ??ꡢ???? format ?? GL_RGBA ?? GL_BGRA ?? ???????Ǥ??ʤ????? GLU_INVALID_OPERATION ???֤????롣

typeIn ?ޤ??? typeOut ?? GL_UNSIGNED_INT_10_10_10_2 ?? GL_UNSIGNED_INT_2_10_10_10_REV ?Ǥ??ꡢ???? format ?? GL_RGBA ?? GL_BGRA ?? ???????Ǥ??ʤ????? GLU_INVALID_OPERATION ???֤????롣

??Ϣ????¶

glDrawPixels, glReadPixels, gluBuild1DMipmaps, gluBuild2DMipmaps, gluBuild3DMipmaps, gluErrorString