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Fix incorrect interpretation of spec text in unpack state. Closes #952

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baldurk
2018-04-20 13:59:53 +01:00
parent 4312953ab8
commit 342d86242b
1 changed files with 7 additions and 2 deletions
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renderdoc/driver/gl/gl_renderstate.cpp
+7 -2
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@@ -286,9 +286,14 @@ byte *PixelUnpackState::Unpack(byte *pixels, GLsizei width, GLsizei height, GLsi
size_t align = 1;
// "If the number of bits per element is not 1, 2, 4, or 8 times the number of
// bits in a GL ubyte, then k = nl for all values of a"
// ie. alignment is only used for pixel formats of those pixel sizes.
if(pixelSize == 1 || pixelSize == 2 || pixelSize == 4 || pixelSize == 8)
// ie. alignment is only used for pixel formats with N-byte elements.
if(basetype == eGL_UNSIGNED_BYTE || basetype == eGL_BYTE || basetype == eGL_UNSIGNED_SHORT ||
basetype == eGL_SHORT || basetype == eGL_UNSIGNED_INT || basetype == eGL_INT ||
basetype == eGL_HALF_FLOAT || basetype == eGL_FLOAT || basetype == eGL_UNSIGNED_INT_8_8_8_8 ||
basetype == eGL_UNSIGNED_INT_8_8_8_8_REV)
{
align = RDCMAX(align, (size_t)alignment);
}
byte *dest = ret;