Hi,
I wanted to know how i can ask mesa to give me the texture in a specified order.
i.e. actually mesa give me texture in RGBA8888_REV while i want it in RGBA8888
I have tried to have by specifing GL_UNSIGNED_INT_8_8_8_8_REV
to the format parameter of glTexImage2D
This effectively leads mesa to see
texture in rev order (i am in big
endian so it sees RGBA8888 not
RGBA8888_REV) but mesa do the
conversion and send me the texture
always in same order (RGBA8888_REV).
Thus what ever i put for format : GL_UNSIGNED_INT_8_8_8_8_REV or GL_UNSIGNED_INT_8_8_8_8
I get the texture in the same format in the driver (r300) i really would like to test all texture format, so is there a way to ask mesa to send me texture in a specific order (REV or not)
No. The <format> parameter describes the incoming format of the user's texture image. It may or may not have any bearing on which hardware format is chosen by the driver. More typically, the <internalFormat> parameter is used by the driver to choose the hardware texture format.
Not all the MESA_FORMAT_* texture formats are supported by all drivers.
-Brian
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