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authorBrian Paul <brianp@vmware.com>2009-09-19 16:27:59 -0600
committerBrian Paul <brianp@vmware.com>2009-09-19 16:43:17 -0600
commitdc3839ef3dc032627b7bb10b2c24786efc3ef5ec (patch)
tree96ec07a0e5135d5902b56a9ad4ca0b9c096caf23 /src/mesa/main/colortab.c
parent883dd9d770f0d25fb8474dc381faa99ee38de0e6 (diff)
mesa: move readbuffer tests
Diffstat (limited to 'src/mesa/main/colortab.c')
-rw-r--r--src/mesa/main/colortab.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/src/mesa/main/colortab.c b/src/mesa/main/colortab.c
index fcd54bc5cc..5447eb18ef 100644
--- a/src/mesa/main/colortab.c
+++ b/src/mesa/main/colortab.c
@@ -543,7 +543,10 @@ _mesa_CopyColorTable(GLenum target, GLenum internalformat,
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
- /* Select buffer to read from */
+ if (!ctx->ReadBuffer->_ColorReadBuffer) {
+ return; /* no readbuffer - OK */
+ }
+
ctx->Driver.CopyColorTable( ctx, target, internalformat, x, y, width );
}
@@ -556,6 +559,10 @@ _mesa_CopyColorSubTable(GLenum target, GLsizei start,
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+ if (!ctx->ReadBuffer->_ColorReadBuffer) {
+ return; /* no readbuffer - OK */
+ }
+
ctx->Driver.CopyColorSubTable( ctx, target, start, x, y, width );
}