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Merge pull request #2976 from FernandoS27/cache-fast-brx-rebased

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Implement Fast BRX, fix TXQ and addapt the Shader Cache for it
This commit is contained in:
Rodrigo Locatti 2019-10-26 16:56:13 -03:00 • committed by GitHub
commit 26f3e18c5c
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GPG key ID: 4AEE18F83AFDEB23
29 changed files with 1492 additions and 872 deletions
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70
src/video_core/shader/decode/texture.cpp
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@ -141,7 +141,7 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) {
const Node component = Immediate(static_cast<u32>(instr.tld4s.component));
const auto& sampler =
GetSampler(instr.sampler, TextureType::Texture2D, false, depth_compare);
GetSampler(instr.sampler, {{TextureType::Texture2D, false, depth_compare}});
Node4 values;
for (u32 element = 0; element < values.size(); ++element) {
@ -165,10 +165,7 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) {
// Sadly, not all texture instructions specify the type of texture their sampler
// uses. This must be fixed at a later instance.
const auto& sampler =
is_bindless
? GetBindlessSampler(instr.gpr8, Tegra::Shader::TextureType::Texture2D, false,
false)
: GetSampler(instr.sampler, Tegra::Shader::TextureType::Texture2D, false, false);
is_bindless ? GetBindlessSampler(instr.gpr8, {}) : GetSampler(instr.sampler, {});
u32 indexer = 0;
switch (instr.txq.query_type) {
@ -207,9 +204,9 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) {
auto texture_type = instr.tmml.texture_type.Value();
const bool is_array = instr.tmml.array != 0;
const auto& sampler = is_bindless
? GetBindlessSampler(instr.gpr20, texture_type, is_array, false)
: GetSampler(instr.sampler, texture_type, is_array, false);
const auto& sampler =
is_bindless ? GetBindlessSampler(instr.gpr20, {{texture_type, is_array, false}})
: GetSampler(instr.sampler, {{texture_type, is_array, false}});
std::vector<Node> coords;
@ -285,9 +282,26 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) {
return pc;
}
const Sampler& ShaderIR::GetSampler(const Tegra::Shader::Sampler& sampler, TextureType type,
bool is_array, bool is_shadow) {
const auto offset = static_cast<std::size_t>(sampler.index.Value());
const Sampler& ShaderIR::GetSampler(const Tegra::Shader::Sampler& sampler,
std::optional<SamplerInfo> sampler_info) {
const auto offset = static_cast<u32>(sampler.index.Value());
Tegra::Shader::TextureType type;
bool is_array;
bool is_shadow;
if (sampler_info) {
type = sampler_info->type;
is_array = sampler_info->is_array;
is_shadow = sampler_info->is_shadow;
} else if (auto sampler = locker.ObtainBoundSampler(offset); sampler) {
type = sampler->texture_type.Value();
is_array = sampler->is_array.Value() != 0;
is_shadow = sampler->is_shadow.Value() != 0;
} else {
type = Tegra::Shader::TextureType::Texture2D;
is_array = false;
is_shadow = false;
}
// If this sampler has already been used, return the existing mapping.
const auto itr =
@ -303,15 +317,31 @@ const Sampler& ShaderIR::GetSampler(const Tegra::Shader::Sampler& sampler, Textu
const std::size_t next_index = used_samplers.size();
const Sampler entry{offset, next_index, type, is_array, is_shadow};
return *used_samplers.emplace(entry).first;
}
} // namespace VideoCommon::Shader
const Sampler& ShaderIR::GetBindlessSampler(const Tegra::Shader::Register& reg, TextureType type,
bool is_array, bool is_shadow) {
const Sampler& ShaderIR::GetBindlessSampler(const Tegra::Shader::Register& reg,
std::optional<SamplerInfo> sampler_info) {
const Node sampler_register = GetRegister(reg);
const auto [base_sampler, cbuf_index, cbuf_offset] =
TrackCbuf(sampler_register, global_code, static_cast<s64>(global_code.size()));
ASSERT(base_sampler != nullptr);
const auto cbuf_key = (static_cast<u64>(cbuf_index) << 32) | static_cast<u64>(cbuf_offset);
Tegra::Shader::TextureType type;
bool is_array;
bool is_shadow;
if (sampler_info) {
type = sampler_info->type;
is_array = sampler_info->is_array;
is_shadow = sampler_info->is_shadow;
} else if (auto sampler = locker.ObtainBindlessSampler(cbuf_index, cbuf_offset); sampler) {
type = sampler->texture_type.Value();
is_array = sampler->is_array.Value() != 0;
is_shadow = sampler->is_shadow.Value() != 0;
} else {
type = Tegra::Shader::TextureType::Texture2D;
is_array = false;
is_shadow = false;
}
// If this sampler has already been used, return the existing mapping.
const auto itr =
@ -411,9 +441,9 @@ Node4 ShaderIR::GetTextureCode(Instruction instr, TextureType texture_type,
(texture_type == TextureType::TextureCube && is_array && is_shadow),
"This method is not supported.");
const auto& sampler = is_bindless
? GetBindlessSampler(*bindless_reg, texture_type, is_array, is_shadow)
: GetSampler(instr.sampler, texture_type, is_array, is_shadow);
const auto& sampler =
is_bindless ? GetBindlessSampler(*bindless_reg, {{texture_type, is_array, is_shadow}})
: GetSampler(instr.sampler, {{texture_type, is_array, is_shadow}});
const bool lod_needed = process_mode == TextureProcessMode::LZ ||
process_mode == TextureProcessMode::LL ||
@ -577,7 +607,7 @@ Node4 ShaderIR::GetTld4Code(Instruction instr, TextureType texture_type, bool de
dc = GetRegister(parameter_register++);
}
const auto& sampler = GetSampler(instr.sampler, texture_type, is_array, depth_compare);
const auto& sampler = GetSampler(instr.sampler, {{texture_type, is_array, depth_compare}});
Node4 values;
for (u32 element = 0; element < values.size(); ++element) {
@ -610,7 +640,7 @@ Node4 ShaderIR::GetTldCode(Tegra::Shader::Instruction instr) {
// const Node aoffi_register{is_aoffi ? GetRegister(gpr20_cursor++) : nullptr};
// const Node multisample{is_multisample ? GetRegister(gpr20_cursor++) : nullptr};
const auto& sampler = GetSampler(instr.sampler, texture_type, is_array, false);
const auto& sampler = GetSampler(instr.sampler, {{texture_type, is_array, false}});
Node4 values;
for (u32 element = 0; element < values.size(); ++element) {
@ -646,7 +676,7 @@ Node4 ShaderIR::GetTldsCode(Instruction instr, TextureType texture_type, bool is
// When lod is used always is in gpr20
const Node lod = lod_enabled ? GetRegister(instr.gpr20) : Immediate(0);
const auto& sampler = GetSampler(instr.sampler, texture_type, is_array, false);
const auto& sampler = GetSampler(instr.sampler, {{texture_type, is_array, false}});
Node4 values;
for (u32 element = 0; element < values.size(); ++element) {