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meta: Don't leak alpha function/reference value changes.

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Signed-off-by: Brian Paul <brianp@vmware.com>
This commit is contained in:
Francisco Jerez 2010-11-01 19:06:30 -07:00 • committed by Brian Paul
parent ef6b7e0a30
commit d846362389
1 changed files with 5 additions and 0 deletions
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5
src/mesa/drivers/common/meta.c
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@ -104,6 +104,8 @@ struct save_state
/** META_ALPHA_TEST */
GLboolean AlphaEnabled;
GLenum AlphaFunc;
GLclampf AlphaRef;
/** META_BLEND */
GLbitfield BlendEnabled;
@ -328,6 +330,8 @@ _mesa_meta_begin(struct gl_context *ctx, GLbitfield state)
if (state & META_ALPHA_TEST) {
save->AlphaEnabled = ctx->Color.AlphaEnabled;
save->AlphaFunc = ctx->Color.AlphaFunc;
save->AlphaRef = ctx->Color.AlphaRef;
if (ctx->Color.AlphaEnabled)
_mesa_set_enable(ctx, GL_ALPHA_TEST, GL_FALSE);
}
@ -576,6 +580,7 @@ _mesa_meta_end(struct gl_context *ctx)
if (state & META_ALPHA_TEST) {
if (ctx->Color.AlphaEnabled != save->AlphaEnabled)
_mesa_set_enable(ctx, GL_ALPHA_TEST, save->AlphaEnabled);
_mesa_AlphaFunc(save->AlphaFunc, save->AlphaRef);
}
if (state & META_BLEND) {