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-rw-r--r--src/video_core/pica.h11
-rw-r--r--src/video_core/rasterizer.cpp20
2 files changed, 28 insertions, 3 deletions
diff --git a/src/video_core/pica.h b/src/video_core/pica.h
index de1ce05b..15850ba1 100644
--- a/src/video_core/pica.h
+++ b/src/video_core/pica.h
@@ -311,9 +311,14 @@ struct Regs {
struct {
enum DepthFunc : u32 {
- Always = 1,
- LessThan = 4,
- GreaterThan = 6,
+ Never = 0,
+ Always = 1,
+ Equal = 2,
+ NotEqual = 3,
+ LessThan = 4,
+ LessThanOrEqual = 5,
+ GreaterThan = 6,
+ GreaterThanOrEqual = 7,
};
union {
diff --git a/src/video_core/rasterizer.cpp b/src/video_core/rasterizer.cpp
index 025d4e48..219a1bbb 100644
--- a/src/video_core/rasterizer.cpp
+++ b/src/video_core/rasterizer.cpp
@@ -441,18 +441,38 @@ void ProcessTriangle(const VertexShader::OutputVertex& v0,
bool pass = false;
switch (registers.output_merger.depth_test_func) {
+ case registers.output_merger.Never:
+ pass = false;
+ break;
+
case registers.output_merger.Always:
pass = true;
break;
+ case registers.output_merger.Equal:
+ pass = z == ref_z;
+ break;
+
+ case registers.output_merger.NotEqual:
+ pass = z != ref_z;
+ break;
+
case registers.output_merger.LessThan:
pass = z < ref_z;
break;
+ case registers.output_merger.LessThanOrEqual:
+ pass = z <= ref_z;
+ break;
+
case registers.output_merger.GreaterThan:
pass = z > ref_z;
break;
+ case registers.output_merger.GreaterThanOrEqual:
+ pass = z >= ref_z;
+ break;
+
default:
LOG_ERROR(HW_GPU, "Unknown depth test function %x", registers.output_merger.depth_test_func.Value());
break;