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authorEric Anholt <[email protected]>2014-08-06 11:52:57 -0700
committerEric Anholt <[email protected]>2014-08-08 18:59:47 -0700
commit9492eb588dd001ec4578aa2ba3c258b43b76263b (patch)
tree84cd9b11f4e50f613444b572eedd814d575094c1 /src
parent961715eab2117772e0145229d6f934d351b9b27b (diff)
vc4: Add some debug code for forcing fragment shader output color.
Diffstat (limited to 'src')
-rw-r--r--src/gallium/drivers/vc4/vc4_program.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/src/gallium/drivers/vc4/vc4_program.c b/src/gallium/drivers/vc4/vc4_program.c
index 0c821c8960d..4e991148c40 100644
--- a/src/gallium/drivers/vc4/vc4_program.c
+++ b/src/gallium/drivers/vc4/vc4_program.c
@@ -562,6 +562,21 @@ emit_frag_end(struct tgsi_to_qir *trans)
const struct util_format_description *format_desc =
util_format_description(trans->fs_key->color_format);
+ /* Debug: Sometimes you're getting a black output and just want to see
+ * if the FS is getting executed at all. Spam magenta into the color
+ * output.
+ */
+ if (0) {
+ trans->outputs[format_desc->swizzle[0]] =
+ qir_uniform_ui(trans, fui(1.0));
+ trans->outputs[format_desc->swizzle[1]] =
+ qir_uniform_ui(trans, fui(0.0));
+ trans->outputs[format_desc->swizzle[2]] =
+ qir_uniform_ui(trans, fui(1.0));
+ trans->outputs[format_desc->swizzle[3]] =
+ qir_uniform_ui(trans, fui(0.5));
+ }
+
struct qreg swizzled_outputs[4] = {
trans->outputs[format_desc->swizzle[0]],
trans->outputs[format_desc->swizzle[1]],