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Shader: implement DPH/DPHI in interpreter 

Tests revealed that the component with w=1 is
SRC1 and not SRC2, it is now fixed on 3dbrew.
This commit is contained in:
aroulin 2015-08-21 10:51:41 +02:00
parent d8908aef63
commit 2e7cf2f6cf
1 changed files with 8 additions and 1 deletions
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9
src/video_core/shader/shader_interpreter.cpp
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@ -197,12 +197,19 @@ void RunInterpreter(UnitState<Debug>& state) {
case OpCode::Id::DP3:
case OpCode::Id::DP4:
case OpCode::Id::DPH:
case OpCode::Id::DPHI:
{
Record<DebugDataRecord::SRC1>(state.debug, iteration, src1);
Record<DebugDataRecord::SRC2>(state.debug, iteration, src2);
Record<DebugDataRecord::DEST_IN>(state.debug, iteration, dest);
OpCode::Id opcode = instr.opcode.Value().EffectiveOpCode();
if (opcode == OpCode::Id::DPH || opcode == OpCode::Id::DPHI)
src1[3] = float24::FromFloat32(1.0f);
float24 dot = float24::FromFloat32(0.f);
int num_components = (instr.opcode.Value() == OpCode::Id::DP3) ? 3 : 4;
int num_components = (opcode == OpCode::Id::DP3) ? 3 : 4;
for (int i = 0; i < num_components; ++i)
dot = dot + src1[i] * src2[i];