glx: indent -br -i3 -npcs --no-tabs compsize.c
This commit is contained in:
RALOVICH, Kristóf
Brian Paul
parent
ee3a6cec36
commit
f788a8ed69
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@ -36,151 +36,156 @@
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/*
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/*
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** Return the number of elements per group of a specified format
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** Return the number of elements per group of a specified format
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*/
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*/
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GLint __glElementsPerGroup(GLenum format, GLenum type)
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GLint
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__glElementsPerGroup(GLenum format, GLenum type)
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{
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{
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/*
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/*
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** To make row length computation valid for image extraction,
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** To make row length computation valid for image extraction,
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** packed pixel types assume elements per group equals one.
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** packed pixel types assume elements per group equals one.
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*/
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*/
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switch(type) {
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switch (type) {
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case GL_UNSIGNED_BYTE_3_3_2:
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case GL_UNSIGNED_BYTE_3_3_2:
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case GL_UNSIGNED_BYTE_2_3_3_REV:
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case GL_UNSIGNED_BYTE_2_3_3_REV:
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case GL_UNSIGNED_SHORT_5_6_5:
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case GL_UNSIGNED_SHORT_5_6_5:
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case GL_UNSIGNED_SHORT_5_6_5_REV:
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case GL_UNSIGNED_SHORT_5_6_5_REV:
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case GL_UNSIGNED_SHORT_4_4_4_4:
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case GL_UNSIGNED_SHORT_4_4_4_4:
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case GL_UNSIGNED_SHORT_4_4_4_4_REV:
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case GL_UNSIGNED_SHORT_4_4_4_4_REV:
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case GL_UNSIGNED_SHORT_5_5_5_1:
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case GL_UNSIGNED_SHORT_5_5_5_1:
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case GL_UNSIGNED_SHORT_1_5_5_5_REV:
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case GL_UNSIGNED_SHORT_1_5_5_5_REV:
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case GL_UNSIGNED_SHORT_8_8_APPLE:
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case GL_UNSIGNED_SHORT_8_8_APPLE:
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case GL_UNSIGNED_SHORT_8_8_REV_APPLE:
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case GL_UNSIGNED_SHORT_8_8_REV_APPLE:
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case GL_UNSIGNED_SHORT_15_1_MESA:
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case GL_UNSIGNED_SHORT_15_1_MESA:
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case GL_UNSIGNED_SHORT_1_15_REV_MESA:
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case GL_UNSIGNED_SHORT_1_15_REV_MESA:
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case GL_UNSIGNED_INT_8_8_8_8:
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case GL_UNSIGNED_INT_8_8_8_8:
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case GL_UNSIGNED_INT_8_8_8_8_REV:
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case GL_UNSIGNED_INT_8_8_8_8_REV:
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case GL_UNSIGNED_INT_10_10_10_2:
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case GL_UNSIGNED_INT_10_10_10_2:
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case GL_UNSIGNED_INT_2_10_10_10_REV:
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case GL_UNSIGNED_INT_2_10_10_10_REV:
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case GL_UNSIGNED_INT_24_8_NV:
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case GL_UNSIGNED_INT_24_8_NV:
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case GL_UNSIGNED_INT_24_8_MESA:
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case GL_UNSIGNED_INT_24_8_MESA:
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case GL_UNSIGNED_INT_8_24_REV_MESA:
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case GL_UNSIGNED_INT_8_24_REV_MESA:
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return 1;
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return 1;
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default:
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default:
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break;
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break;
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}
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}
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switch(format) {
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switch (format) {
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case GL_RGB:
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case GL_RGB:
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case GL_BGR:
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case GL_BGR:
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return 3;
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return 3;
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case GL_422_EXT:
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case GL_422_EXT:
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case GL_422_REV_EXT:
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case GL_422_REV_EXT:
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case GL_422_AVERAGE_EXT:
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case GL_422_AVERAGE_EXT:
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case GL_422_REV_AVERAGE_EXT:
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case GL_422_REV_AVERAGE_EXT:
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case GL_YCBCR_422_APPLE:
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case GL_YCBCR_422_APPLE:
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case GL_LUMINANCE_ALPHA:
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case GL_LUMINANCE_ALPHA:
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return 2;
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return 2;
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case GL_RGBA:
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case GL_RGBA:
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case GL_BGRA:
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case GL_BGRA:
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case GL_ABGR_EXT:
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case GL_ABGR_EXT:
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return 4;
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return 4;
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case GL_COLOR_INDEX:
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case GL_COLOR_INDEX:
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case GL_STENCIL_INDEX:
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case GL_STENCIL_INDEX:
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case GL_DEPTH_COMPONENT:
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case GL_DEPTH_COMPONENT:
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case GL_RED:
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case GL_RED:
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case GL_GREEN:
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case GL_GREEN:
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case GL_BLUE:
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case GL_BLUE:
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case GL_ALPHA:
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case GL_ALPHA:
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case GL_LUMINANCE:
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case GL_LUMINANCE:
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case GL_INTENSITY:
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case GL_INTENSITY:
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return 1;
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return 1;
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default:
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default:
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return 0;
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return 0;
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}
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}
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}
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}
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/*
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/*
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** Return the number of bytes per element, based on the element type (other
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** Return the number of bytes per element, based on the element type (other
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** than GL_BITMAP).
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** than GL_BITMAP).
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*/
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*/
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GLint __glBytesPerElement(GLenum type)
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GLint
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__glBytesPerElement(GLenum type)
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{
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{
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switch(type) {
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switch (type) {
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case GL_UNSIGNED_SHORT:
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case GL_UNSIGNED_SHORT:
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case GL_SHORT:
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case GL_SHORT:
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case GL_UNSIGNED_SHORT_5_6_5:
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case GL_UNSIGNED_SHORT_5_6_5:
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case GL_UNSIGNED_SHORT_5_6_5_REV:
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case GL_UNSIGNED_SHORT_5_6_5_REV:
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case GL_UNSIGNED_SHORT_4_4_4_4:
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case GL_UNSIGNED_SHORT_4_4_4_4:
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case GL_UNSIGNED_SHORT_4_4_4_4_REV:
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case GL_UNSIGNED_SHORT_4_4_4_4_REV:
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case GL_UNSIGNED_SHORT_5_5_5_1:
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case GL_UNSIGNED_SHORT_5_5_5_1:
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case GL_UNSIGNED_SHORT_1_5_5_5_REV:
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case GL_UNSIGNED_SHORT_1_5_5_5_REV:
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case GL_UNSIGNED_SHORT_8_8_APPLE:
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case GL_UNSIGNED_SHORT_8_8_APPLE:
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case GL_UNSIGNED_SHORT_8_8_REV_APPLE:
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case GL_UNSIGNED_SHORT_8_8_REV_APPLE:
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case GL_UNSIGNED_SHORT_15_1_MESA:
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case GL_UNSIGNED_SHORT_15_1_MESA:
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case GL_UNSIGNED_SHORT_1_15_REV_MESA:
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case GL_UNSIGNED_SHORT_1_15_REV_MESA:
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return 2;
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return 2;
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case GL_UNSIGNED_BYTE:
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case GL_UNSIGNED_BYTE:
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case GL_BYTE:
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case GL_BYTE:
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case GL_UNSIGNED_BYTE_3_3_2:
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case GL_UNSIGNED_BYTE_3_3_2:
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case GL_UNSIGNED_BYTE_2_3_3_REV:
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case GL_UNSIGNED_BYTE_2_3_3_REV:
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return 1;
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return 1;
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case GL_INT:
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case GL_INT:
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case GL_UNSIGNED_INT:
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case GL_UNSIGNED_INT:
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case GL_FLOAT:
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case GL_FLOAT:
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case GL_UNSIGNED_INT_8_8_8_8:
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case GL_UNSIGNED_INT_8_8_8_8:
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case GL_UNSIGNED_INT_8_8_8_8_REV:
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case GL_UNSIGNED_INT_8_8_8_8_REV:
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case GL_UNSIGNED_INT_10_10_10_2:
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case GL_UNSIGNED_INT_10_10_10_2:
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case GL_UNSIGNED_INT_2_10_10_10_REV:
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case GL_UNSIGNED_INT_2_10_10_10_REV:
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case GL_UNSIGNED_INT_24_8_NV:
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case GL_UNSIGNED_INT_24_8_NV:
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case GL_UNSIGNED_INT_24_8_MESA:
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case GL_UNSIGNED_INT_24_8_MESA:
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case GL_UNSIGNED_INT_8_24_REV_MESA:
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case GL_UNSIGNED_INT_8_24_REV_MESA:
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return 4;
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return 4;
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default:
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default:
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return 0;
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return 0;
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}
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}
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}
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}
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/*
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/*
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** Compute memory required for internal packed array of data of given type
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** Compute memory required for internal packed array of data of given type
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** and format.
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** and format.
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*/
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*/
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GLint __glImageSize(GLsizei width, GLsizei height, GLsizei depth,
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GLint
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GLenum format, GLenum type, GLenum target)
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__glImageSize(GLsizei width, GLsizei height, GLsizei depth,
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GLenum format, GLenum type, GLenum target)
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{
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{
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int bytes_per_row;
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int bytes_per_row;
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int components;
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int components;
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switch( target ) {
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switch (target) {
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case GL_PROXY_TEXTURE_1D:
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case GL_PROXY_TEXTURE_1D:
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case GL_PROXY_TEXTURE_2D:
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case GL_PROXY_TEXTURE_2D:
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case GL_PROXY_TEXTURE_3D:
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case GL_PROXY_TEXTURE_3D:
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case GL_PROXY_TEXTURE_4D_SGIS:
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case GL_PROXY_TEXTURE_4D_SGIS:
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case GL_PROXY_TEXTURE_CUBE_MAP:
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case GL_PROXY_TEXTURE_CUBE_MAP:
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case GL_PROXY_TEXTURE_RECTANGLE_ARB:
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case GL_PROXY_TEXTURE_RECTANGLE_ARB:
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case GL_PROXY_HISTOGRAM:
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case GL_PROXY_HISTOGRAM:
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case GL_PROXY_COLOR_TABLE:
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case GL_PROXY_COLOR_TABLE:
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case GL_PROXY_TEXTURE_COLOR_TABLE_SGI:
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case GL_PROXY_TEXTURE_COLOR_TABLE_SGI:
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case GL_PROXY_POST_CONVOLUTION_COLOR_TABLE:
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case GL_PROXY_POST_CONVOLUTION_COLOR_TABLE:
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case GL_PROXY_POST_COLOR_MATRIX_COLOR_TABLE:
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case GL_PROXY_POST_COLOR_MATRIX_COLOR_TABLE:
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case GL_PROXY_POST_IMAGE_TRANSFORM_COLOR_TABLE_HP:
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case GL_PROXY_POST_IMAGE_TRANSFORM_COLOR_TABLE_HP:
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return 0;
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return 0;
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}
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}
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if (width < 0 || height < 0 || depth < 0) {
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if (width < 0 || height < 0 || depth < 0) {
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return 0;
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return 0;
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}
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}
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/*
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/*
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** Zero is returned if either format or type are invalid.
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** Zero is returned if either format or type are invalid.
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*/
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*/
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components = __glElementsPerGroup(format,type);
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components = __glElementsPerGroup(format, type);
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if (type == GL_BITMAP) {
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if (type == GL_BITMAP) {
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if (format == GL_COLOR_INDEX || format == GL_STENCIL_INDEX) {
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if (format == GL_COLOR_INDEX || format == GL_STENCIL_INDEX) {
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bytes_per_row = (width + 7) >> 3;
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bytes_per_row = (width + 7) >> 3;
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} else {
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}
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return 0;
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else {
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}
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return 0;
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} else {
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}
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bytes_per_row = __glBytesPerElement(type) * width;
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}
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}
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else {
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bytes_per_row = __glBytesPerElement(type) * width;
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}
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return bytes_per_row * height * depth * components;
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return bytes_per_row * height * depth * components;
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}
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}
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