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Code Issues Releases Wiki Activity

Pica/VertexShader: Small optimization.

merge-requests/60/head
Tony Wasserka 2014-12-20 15:19:36 +07:00
parent a664574ecb
commit 17f31de364
1 changed files with 7 additions and 7 deletions
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14
src/video_core/vertex_shader.cpp
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@ -118,9 +118,9 @@ static void ProcessShaderCode(VertexShaderState& state) {
const Instruction& instr = *(const Instruction*)state.program_counter;
const SwizzlePattern& swizzle = *(SwizzlePattern*)&swizzle_data[instr.common.operand_desc_id];
auto call = [&](std::stack<VertexShaderState::CallStackElement>& stack, u32 offset, u32 num_instructions, u32 return_offset) {
auto call = [&](VertexShaderState& state, u32 offset, u32 num_instructions, u32 return_offset) {
state.program_counter = &shader_memory[offset] - 1; // -1 to make sure when incrementing the PC we end up at the correct offset
stack.push({ offset + num_instructions, return_offset });
state.call_stack.push({ offset + num_instructions, return_offset });
};
u32 binary_offset = state.program_counter - shader_memory.data();
@ -356,7 +356,7 @@ static void ProcessShaderCode(VertexShaderState& state) {
break;
case Instruction::OpCode::CALL:
call(state.call_stack,
call(state,
instr.flow_control.dest_offset,
instr.flow_control.num_instructions,
binary_offset + 1);
@ -367,12 +367,12 @@ static void ProcessShaderCode(VertexShaderState& state) {
case Instruction::OpCode::IFU:
if (shader_uniforms.b[instr.flow_control.bool_uniform_id]) {
call(state.call_stack,
call(state,
binary_offset + 1,
instr.flow_control.dest_offset - binary_offset - 1,
instr.flow_control.dest_offset + instr.flow_control.num_instructions);
} else {
call(state.call_stack,
call(state,
instr.flow_control.dest_offset,
instr.flow_control.num_instructions,
instr.flow_control.dest_offset + instr.flow_control.num_instructions);
@ -407,12 +407,12 @@ static void ProcessShaderCode(VertexShaderState& state) {
}
if (results[2]) {
call(state.call_stack,
call(state,
binary_offset + 1,
instr.flow_control.dest_offset - binary_offset - 1,
instr.flow_control.dest_offset + instr.flow_control.num_instructions);
} else {
call(state.call_stack,
call(state,
instr.flow_control.dest_offset,
instr.flow_control.num_instructions,
instr.flow_control.dest_offset + instr.flow_control.num_instructions);