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vc4: Allow dead code elimination of color reads.
authorEric Anholt <eric@anholt.net>
Tue, 2 Dec 2014 20:58:27 +0000 (12:58 -0800)
committerEric Anholt <eric@anholt.net>
Fri, 5 Dec 2014 18:43:14 +0000 (10:43 -0800)
This might happen if the blending functions are set up to not actually use
the destination color/alpha, for example.

src/gallium/drivers/vc4/vc4_qir.c patch | blob | history

diff --git a/src/gallium/drivers/vc4/vc4_qir.c b/src/gallium/drivers/vc4/vc4_qir.c
index cd731bc56398cf3d75b2e4ec9f79e947b0491b28..c43b9b60597fa63f83df5f8b09daef30dccd6fb1 100644 (file)
--- a/src/gallium/drivers/vc4/vc4_qir.c
+++ b/src/gallium/drivers/vc4/vc4_qir.c
@@ -80,7 +80,7 @@ static const struct qir_op_info qir_op_info[] = {
         [QOP_TLB_STENCIL_SETUP] = { "tlb_stencil_setup", 0, 1, true },
         [QOP_TLB_Z_WRITE] = { "tlb_z", 0, 1, true },
         [QOP_TLB_COLOR_WRITE] = { "tlb_color", 0, 1, true },
-        [QOP_TLB_COLOR_READ] = { "tlb_color_read", 1, 0, true },
+        [QOP_TLB_COLOR_READ] = { "tlb_color_read", 1, 0 },
         [QOP_VARY_ADD_C] = { "vary_add_c", 1, 1 },
 
         [QOP_FRAG_X] = { "frag_x", 1, 0 },