r600: fix copy/paste bug for sampleMaskIn workaround
authorRoland Scheidegger <sroland@vmware.com>
Fri, 15 Jun 2018 21:36:52 +0000 (23:36 +0200)
committerRoland Scheidegger <sroland@vmware.com>
Thu, 21 Jun 2018 00:37:11 +0000 (02:37 +0200)
The sampleMaskIn workaround (b936f4d1ca0d2ab1e828ff6a6e617f12469687fa)
tries to figure out if the shader is running at per-sample frequency, but
there's a typo bug so it will only recognize per-sample linar inputs,
not per-sample perspective ones.

Spotted by Eric Engestrom <eric.engestrom@intel.com>

Fixes: b936f4d1ca0d2ab1e828a "r600: partly fix sampleMaskIn value"
src/gallium/drivers/r600/r600_shader.c

index c9f2fa648546c12fe9ef99a6cd8d5eea95823362..c466a482629a56aaa35565b5782ef0edc45a3445 100644 (file)
@@ -1247,7 +1247,7 @@ static int allocate_system_value_inputs(struct r600_shader_ctx *ctx, int gpr_off
        tgsi_parse_free(&parse);
 
        if (ctx->info.reads_samplemask &&
-           (ctx->info.uses_linear_sample || ctx->info.uses_linear_sample)) {
+           (ctx->info.uses_linear_sample || ctx->info.uses_persp_sample)) {
                inputs[1].enabled = true;
        }