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mesa: avoid redundant state setting in glClientActiveTexture

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Plus add code for verbose/debugging.
This commit is contained in:
Brian Paul 2009-10-27 13:51:51 -06:00
parent 33531614de
commit 72cb441c2f
1 changed files with 7 additions and 0 deletions
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7
src/mesa/main/texstate.c
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@ -318,11 +318,18 @@ _mesa_ClientActiveTextureARB(GLenum texture)
GLuint texUnit = texture - GL_TEXTURE0;
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (MESA_VERBOSE & (VERBOSE_API | VERBOSE_TEXTURE))
_mesa_debug(ctx, "glClientActiveTexture %s\n",
_mesa_lookup_enum_by_nr(texture));
if (texUnit >= ctx->Const.MaxTextureCoordUnits) {
_mesa_error(ctx, GL_INVALID_ENUM, "glClientActiveTexture(texture)");
return;
}
if (ctx->Array.ActiveTexture == texUnit)
return;
FLUSH_VERTICES(ctx, _NEW_ARRAY);
ctx->Array.ActiveTexture = texUnit;
}