[Mesa-dev] [PATCH 1/3] meta: Don't leak alpha function/reference value changes.

Francisco Jerez currojerez at riseup.net
Mon Nov 1 19:06:30 PDT 2010


---
 src/mesa/drivers/common/meta.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/src/mesa/drivers/common/meta.c b/src/mesa/drivers/common/meta.c
index 9615b52..7ad1e72 100644
--- a/src/mesa/drivers/common/meta.c
+++ b/src/mesa/drivers/common/meta.c
@@ -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);
    }
@@ -577,6 +581,7 @@ _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) {
-- 
1.6.4.4



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