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[D3D12] Compact float constants and don't split them into pages

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This commit is contained in:
Triang3l
2018-09-30 20:17:26 +03:00
parent eb50ebd885
commit c4599ff211
7 changed files with 733 additions and 485 deletions
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35
src/xenia/gpu/shader_translator.cc
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@@ -143,14 +143,17 @@ bool ShaderTranslator::TranslateInternal(Shader* shader) {
TranslateBlocks();
// Compute total bytes used by the register map.
// This saves us work later when we need to pack them.
// Compute total number of float registers and total bytes used by the
// register map. This saves us work later when we need to pack them.
constant_register_map_.packed_byte_length = 0;
constant_register_map_.float_count = 0;
for (int i = 0; i < 4; ++i) {
// Each bit indicates a vec4 (4 floats).
constant_register_map_.packed_byte_length +=
4 * 4 * xe::bit_count(constant_register_map_.float_bitmap[i]);
constant_register_map_.float_count +=
xe::bit_count(constant_register_map_.float_bitmap[i]);
}
constant_register_map_.packed_byte_length +=
4 * 4 * constant_register_map_.float_count;
// Each bit indicates a single word.
constant_register_map_.packed_byte_length +=
4 * xe::bit_count(constant_register_map_.int_bitmap);
@@ -1303,9 +1306,16 @@ void ShaderTranslator::ParseAluVectorInstruction(
// Track constant float register loads.
if (i.operands[j].storage_source ==
InstructionStorageSource::kConstantFloat) {
auto register_index = i.operands[j].storage_index;
constant_register_map_.float_bitmap[register_index / 64] |=
1ull << (register_index % 64);
if (i.operands[j].storage_addressing_mode !=
InstructionStorageAddressingMode::kStatic) {
// Dynamic addressing makes all constants required.
std::memset(constant_register_map_.float_bitmap, 0xFF,
sizeof(constant_register_map_.float_bitmap));
} else {
auto register_index = i.operands[j].storage_index;
constant_register_map_.float_bitmap[register_index / 64] |=
1ull << (register_index % 64);
}
}
}
@@ -1438,8 +1448,15 @@ void ShaderTranslator::ParseAluScalarInstruction(
// Track constant float register loads.
auto register_index = i.operands[0].storage_index;
constant_register_map_.float_bitmap[register_index / 64] |=
1ull << (register_index % 64);
if (i.operands[0].storage_addressing_mode !=
InstructionStorageAddressingMode::kStatic) {
// Dynamic addressing makes all constants required.
std::memset(constant_register_map_.float_bitmap, 0xFF,
sizeof(constant_register_map_.float_bitmap));
} else {
constant_register_map_.float_bitmap[register_index / 64] |=
1ull << (register_index % 64);
}
ParseAluInstructionOperandSpecial(op, InstructionStorageSource::kRegister,
reg2, op.src_negate(3), const_slot,