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shader_decode: Update TLD4 reflecting #1862 changes

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This commit is contained in:
ReinUsesLisp 2018-12-23 00:38:01 -03:00
parent 03e088a4f4
commit ec98e4d842
2 changed files with 52 additions and 52 deletions
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101
src/video_core/shader/decode/memory.cpp
View File

@ -225,7 +225,6 @@ u32 ShaderIR::DecodeMemory(BasicBlock& bb, u32 pc) {
break;
}
case OpCode::Id::TLD4: {
ASSERT(instr.tld4.texture_type == Tegra::Shader::TextureType::Texture2D);
ASSERT(instr.tld4.array == 0);
UNIMPLEMENTED_IF_MSG(instr.tld4.UsesMiscMode(TextureMiscMode::AOFFI),
"AOFFI is not implemented");
@ -238,63 +237,29 @@ u32 ShaderIR::DecodeMemory(BasicBlock& bb, u32 pc) {
LOG_WARNING(HW_GPU, "TLD4.NODEP implementation is incomplete");
}
const auto texture_type = instr.tld4.texture_type.Value();
const bool depth_compare = instr.tld4.UsesMiscMode(TextureMiscMode::DC);
auto texture_type = instr.tld4.texture_type.Value();
u32 num_coordinates = static_cast<u32>(GetCoordCount(texture_type));
if (depth_compare)
num_coordinates += 1;
const bool is_array = instr.tld4.array != 0;
const Node texture = GetTld4Code(instr, texture_type, depth_compare, is_array);
std::vector<Node> params;
MetaComponents meta_components;
std::array<Node, 4> dest;
switch (num_coordinates) {
case 2: {
params.push_back(GetRegister(instr.gpr8));
params.push_back(GetRegister(instr.gpr8.Value() + 1));
break;
}
case 3: {
params.push_back(GetRegister(instr.gpr8));
params.push_back(GetRegister(instr.gpr8.Value() + 1));
params.push_back(GetRegister(instr.gpr8.Value() + 2));
break;
}
default:
UNIMPLEMENTED_MSG("Unhandled coordinates number {}", static_cast<u32>(num_coordinates));
params.push_back(GetRegister(instr.gpr8));
params.push_back(GetRegister(instr.gpr8.Value() + 1));
num_coordinates = 2;
texture_type = Tegra::Shader::TextureType::Texture2D;
}
params.push_back(Immediate(static_cast<u32>(instr.tld4.component)));
const auto& sampler = GetSampler(instr.sampler, texture_type, false, depth_compare);
MetaTexture meta{sampler, num_coordinates};
const Node texture =
Operation(OperationCode::F4TextureGather, std::move(meta), std::move(params));
if (depth_compare) {
SetRegister(bb, instr.gpr0, texture);
} else {
MetaComponents meta;
std::array<Node, 4> dest;
std::size_t dest_elem = 0;
for (std::size_t elem = 0; elem < 4; ++elem) {
if (!instr.tex.IsComponentEnabled(elem)) {
// Skip disabled components
continue;
}
meta.components_map[dest_elem] = static_cast<u32>(elem);
dest[dest_elem] = GetRegister(instr.gpr0.Value() + dest_elem);
++dest_elem;
std::size_t dest_elem = 0;
for (std::size_t elem = 0; elem < 4; ++elem) {
if (!instr.tex.IsComponentEnabled(elem)) {
// Skip disabled components
continue;
}
std::generate(dest.begin() + dest_elem, dest.end(), [&]() { return GetRegister(RZ); });
meta_components.components_map[dest_elem] = static_cast<u32>(elem);
dest[dest_elem] = GetRegister(instr.gpr0.Value() + dest_elem);
bb.push_back(Operation(OperationCode::AssignComposite, std::move(meta), texture,
dest[0], dest[1], dest[2], dest[3]));
++dest_elem;
}
std::generate(dest.begin() + dest_elem, dest.end(), [&]() { return GetRegister(RZ); });
bb.push_back(Operation(OperationCode::AssignComposite, std::move(meta_components), texture,
dest[0], dest[1], dest[2], dest[3]));
break;
}
case OpCode::Id::TLD4S: {
@ -595,6 +560,38 @@ Node ShaderIR::GetTexsCode(Instruction instr, TextureType texture_type,
(coord_count > 2 ? 1 : 0), std::move(coords));
}
Node ShaderIR::GetTld4Code(Instruction instr, TextureType texture_type, bool depth_compare,
bool is_array) {
const std::size_t coord_count = GetCoordCount(texture_type);
const std::size_t total_coord_count = coord_count + (is_array ? 1 : 0);
const std::size_t total_reg_count = total_coord_count + (depth_compare ? 1 : 0);
// If enabled arrays index is always stored in the gpr8 field
const u64 array_register = instr.gpr8.Value();
// First coordinate index is the gpr8 or gpr8 + 1 when arrays are used
const u64 coord_register = array_register + (is_array ? 1 : 0);
std::vector<Node> params;
for (size_t i = 0; i < coord_count; ++i) {
params.push_back(GetRegister(coord_register + i));
}
std::size_t array_offset{};
if (is_array) {
array_offset = params.size();
params.push_back(GetRegister(array_register));
}
const auto& sampler = GetSampler(instr.sampler, texture_type, is_array, depth_compare);
std::optional<u32> array_offset_value;
if (is_array)
array_offset_value = static_cast<u32>(array_offset);
MetaTexture meta{sampler, static_cast<u32>(params.size()), array_offset_value};
return Operation(OperationCode::F4TextureGather, std::move(meta), std::move(params));
}
std::tuple<std::size_t, std::size_t> ShaderIR::ValidateAndGetCoordinateElement(
TextureType texture_type, bool depth_compare, bool is_array, bool lod_bias_enabled,
std::size_t max_coords, std::size_t max_inputs) {

3
src/video_core/shader/shader_ir.h
View File

@ -691,6 +691,9 @@ private:
Tegra::Shader::TextureProcessMode process_mode, bool depth_compare,
bool is_array);
Node GetTld4Code(Tegra::Shader::Instruction instr, Tegra::Shader::TextureType texture_type,
bool depth_compare, bool is_array);
std::tuple<std::size_t, std::size_t> ValidateAndGetCoordinateElement(
Tegra::Shader::TextureType texture_type, bool depth_compare, bool is_array,
bool lod_bias_enabled, std::size_t max_coords, std::size_t max_inputs);