From cd163fb59ae2922d33aa931f51ef5d116c0adc3f Mon Sep 17 00:00:00 2001
From: Tony Wasserka <NeoBrainX@gmail.com>
Date: Sat, 13 Dec 2014 21:22:55 +0100
Subject: [PATCH] Pica/VertexShader: Implement MAX instructions.
---
src/video_core/vertex_shader.cpp | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/src/video_core/vertex_shader.cpp b/src/video_core/vertex_shader.cpp
index fbec1bcc80..742e5a9f21 100644
--- a/src/video_core/vertex_shader.cpp
+++ b/src/video_core/vertex_shader.cpp
@@ -197,6 +197,15 @@ static void ProcessShaderCode(VertexShaderState& state) {
break;
}
+ case Instruction::OpCode::MAX:
+ for (int i = 0; i < 4; ++i) {
+ if (!swizzle.DestComponentEnabled(i))
+ continue;
+
+ dest[i] = std::max(src1[i], src2[i]);
+ }
+ break;
+
case Instruction::OpCode::DP3:
case Instruction::OpCode::DP4:
{
--
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