diff options
| m--------- | externals/nihstro | 0 | ||||
| -rw-r--r-- | src/video_core/vertex_shader.cpp | 75 |
2 files changed, 52 insertions, 23 deletions
diff --git a/externals/nihstro b/externals/nihstro -Subproject fc71f8684d26ccf277ad68809c8bd7273141fe8 +Subproject 0a8b4d221425f13e24a3cef9b02edc3221bab21 diff --git a/src/video_core/vertex_shader.cpp b/src/video_core/vertex_shader.cpp index ff825e2e1..0c4827507 100644 --- a/src/video_core/vertex_shader.cpp +++ b/src/video_core/vertex_shader.cpp @@ -349,12 +349,44 @@ static void ProcessShaderCode(VertexShaderState& state) { break; } default: + { + static auto evaluate_condition = [](const VertexShaderState& state, bool refx, bool refy, Instruction::FlowControlType flow_control) { + bool results[2] = { refx == state.conditional_code[0], + refy == state.conditional_code[1] }; + + switch (flow_control.op) { + case flow_control.Or: + return results[0] || results[1]; + + case flow_control.And: + return results[0] && results[1]; + + case flow_control.JustX: + return results[0]; + + case flow_control.JustY: + return results[1]; + } + }; + // Handle each instruction on its own switch (instr.opcode) { case Instruction::OpCode::END: exit_loop = true; break; + case Instruction::OpCode::JMPC: + if (evaluate_condition(state, instr.flow_control.refx, instr.flow_control.refy, instr.flow_control)) { + state.program_counter = &shader_memory[instr.flow_control.dest_offset] - 1; + } + break; + + case Instruction::OpCode::JMPU: + if (shader_uniforms.b[instr.flow_control.bool_uniform_id]) { + state.program_counter = &shader_memory[instr.flow_control.dest_offset] - 1; + } + break; + case Instruction::OpCode::CALL: call(state, instr.flow_control.dest_offset, @@ -362,6 +394,24 @@ static void ProcessShaderCode(VertexShaderState& state) { binary_offset + 1); break; + case Instruction::OpCode::CALLU: + if (shader_uniforms.b[instr.flow_control.bool_uniform_id]) { + call(state, + instr.flow_control.dest_offset, + instr.flow_control.num_instructions, + binary_offset + 1); + } + break; + + case Instruction::OpCode::CALLC: + if (evaluate_condition(state, instr.flow_control.refx, instr.flow_control.refy, instr.flow_control)) { + call(state, + instr.flow_control.dest_offset, + instr.flow_control.num_instructions, + binary_offset + 1); + } + break; + case Instruction::OpCode::NOP: break; @@ -384,29 +434,7 @@ static void ProcessShaderCode(VertexShaderState& state) { { // TODO: Do we need to consider swizzlers here? - auto flow_control = instr.flow_control; - bool results[3] = { (bool)flow_control.refx == state.conditional_code[0], - (bool)flow_control.refy == state.conditional_code[1] }; - - switch (flow_control.op) { - case flow_control.Or: - results[2] = results[0] || results[1]; - break; - - case flow_control.And: - results[2] = results[0] && results[1]; - break; - - case flow_control.JustX: - results[2] = results[0]; - break; - - case flow_control.JustY: - results[2] = results[1]; - break; - } - - if (results[2]) { + if (evaluate_condition(state, instr.flow_control.refx, instr.flow_control.refy, instr.flow_control)) { call(state, binary_offset + 1, instr.flow_control.dest_offset - binary_offset - 1, @@ -429,6 +457,7 @@ static void ProcessShaderCode(VertexShaderState& state) { break; } + } ++state.program_counter; |