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GPU: Implement the remaining depth testing functions.
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parent
ad666ac47a
commit
ff83d23ed5
2 changed files with 28 additions and 3 deletions
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@ -311,9 +311,14 @@ struct Regs {
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struct {
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enum DepthFunc : u32 {
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Always = 1,
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LessThan = 4,
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GreaterThan = 6,
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Never = 0,
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Always = 1,
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Equal = 2,
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NotEqual = 3,
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LessThan = 4,
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LessThanOrEqual = 5,
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GreaterThan = 6,
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GreaterThanOrEqual = 7,
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};
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union {
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@ -441,18 +441,38 @@ void ProcessTriangle(const VertexShader::OutputVertex& v0,
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bool pass = false;
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switch (registers.output_merger.depth_test_func) {
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case registers.output_merger.Never:
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pass = false;
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break;
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case registers.output_merger.Always:
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pass = true;
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break;
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case registers.output_merger.Equal:
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pass = z == ref_z;
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break;
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case registers.output_merger.NotEqual:
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pass = z != ref_z;
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break;
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case registers.output_merger.LessThan:
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pass = z < ref_z;
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break;
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case registers.output_merger.LessThanOrEqual:
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pass = z <= ref_z;
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break;
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case registers.output_merger.GreaterThan:
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pass = z > ref_z;
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break;
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case registers.output_merger.GreaterThanOrEqual:
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pass = z >= ref_z;
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break;
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default:
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LOG_ERROR(HW_GPU, "Unknown depth test function %x", registers.output_merger.depth_test_func.Value());
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break;
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