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st/mesa: do not require all texture formats to be renderable

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This is a bandaid on the problem that if some formats were not renderable
(like luminance_alpha), st/mesa fell back to some RGBA format, so basically
some non-renderable formats were actually not used at all. This is only
a problem with hardware drivers, softpipe can render to anything.

Instead, require only RGB8/RGBA8 to be renderable.
This commit is contained in:
Marek Olšák 2010-12-22 01:58:52 +01:00
parent 998657112b
commit 4a710469e0
1 changed files with 6 additions and 1 deletions
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7
src/mesa/state_tracker/st_format.c
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@ -1028,8 +1028,13 @@ gl_format
st_ChooseTextureFormat(struct gl_context *ctx, GLint internalFormat,
GLenum format, GLenum type)
{
boolean want_renderable =
internalFormat == 3 || internalFormat == 4 ||
internalFormat == GL_RGB || internalFormat == GL_RGBA ||
internalFormat == GL_RGB8 || internalFormat == GL_RGBA8;
return st_ChooseTextureFormat_renderable(ctx, internalFormat,
format, type, GL_TRUE);
format, type, want_renderable);
}
/**