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Unify both sampler types.

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This commit is contained in:
Fernando Sahmkow 2019-03-26 17:56:16 -04:00 committed by FernandoS27
parent e28fd3d0a5
commit fe392fff24
4 changed files with 48 additions and 22 deletions
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3
src/video_core/renderer_opengl/gl_shader_decompiler.h
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@ -58,6 +58,7 @@ private:
struct ShaderEntries {
std::vector<ConstBufferEntry> const_buffers;
std::vector<SamplerEntry> samplers;
std::vector<SamplerEntry> bindless_samplers;
std::vector<GlobalMemoryEntry> global_memory_entries;
std::array<bool, Maxwell::NumClipDistances> clip_distances{};
std::size_t shader_length{};
@ -68,4 +69,4 @@ std::string GetCommonDeclarations();
ProgramResult Decompile(const VideoCommon::Shader::ShaderIR& ir, Maxwell::ShaderStage stage,
const std::string& suffix);
} // namespace OpenGL::GLShader
} // namespace OpenGL::GLShader

9
src/video_core/renderer_opengl/gl_shader_disk_cache.cpp
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@ -319,16 +319,18 @@ std::optional<ShaderDiskCacheDecompiled> ShaderDiskCacheOpenGL::LoadDecompiledEn
u32 type{};
u8 is_array{};
u8 is_shadow{};
u8 is_bindless{};
if (file.ReadBytes(&offset, sizeof(u64)) != sizeof(u64) ||
file.ReadBytes(&index, sizeof(u64)) != sizeof(u64) ||
file.ReadBytes(&type, sizeof(u32)) != sizeof(u32) ||
file.ReadBytes(&is_array, sizeof(u8)) != sizeof(u8) ||
file.ReadBytes(&is_shadow, sizeof(u8)) != sizeof(u8)) {
file.ReadBytes(&is_shadow, sizeof(u8)) != sizeof(u8) ||
file.ReadBytes(&is_bindless, sizeof(u8)) != sizeof(u8)) {
return {};
}
entry.entries.samplers.emplace_back(
static_cast<std::size_t>(offset), static_cast<std::size_t>(index),
static_cast<Tegra::Shader::TextureType>(type), is_array != 0, is_shadow != 0, false);
static_cast<Tegra::Shader::TextureType>(type), is_array != 0, is_shadow != 0, is_bindless != 0);
}
u32 global_memory_count{};
@ -388,7 +390,8 @@ bool ShaderDiskCacheOpenGL::SaveDecompiledFile(FileUtil::IOFile& file, u64 uniqu
file.WriteObject(static_cast<u64>(sampler.GetIndex())) != 1 ||
file.WriteObject(static_cast<u32>(sampler.GetType())) != 1 ||
file.WriteObject(static_cast<u8>(sampler.IsArray() ? 1 : 0)) != 1 ||
file.WriteObject(static_cast<u8>(sampler.IsShadow() ? 1 : 0)) != 1) {
file.WriteObject(static_cast<u8>(sampler.IsShadow() ? 1 : 0)) != 1 ||
file.WriteObject(static_cast<u8>(sampler.IsBindless() ? 1 : 0)) != 1) {
return false;
}
}

22
src/video_core/shader/decode/texture.cpp
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@ -267,7 +267,7 @@ const Sampler& ShaderIR::GetSampler(const Tegra::Shader::Sampler& sampler, Textu
// Otherwise create a new mapping for this sampler
const std::size_t next_index = used_samplers.size();
const Sampler entry{offset, next_index, type, is_array, is_shadow, false};
const Sampler entry{offset, next_index, type, is_array, is_shadow};
return *used_samplers.emplace(entry).first;
}
@ -281,20 +281,22 @@ const Sampler& ShaderIR::GetBindlessSampler(const Tegra::Shader::Register& reg,
ASSERT(cbuf_offset_imm != nullptr);
const auto cbuf_offset = cbuf_offset_imm->GetValue();
const auto cbuf_index = cbuf->GetIndex();
const std::pair<u32, u32> cbuf_pair = {cbuf_index, cbuf_offset};
const u64 cbuf_key = (cbuf_index << 32) | cbuf_offset;
// If this sampler has already been used, return the existing mapping.
if (used_bindless_samplers.count(cbuf_pair) > 0) {
const auto& sampler = used_bindless_samplers[cbuf_pair];
ASSERT(sampler.GetType() == type && sampler.IsArray() == is_array &&
sampler.IsShadow() == is_shadow);
return sampler;
const auto itr =
std::find_if(used_samplers.begin(), used_samplers.end(),
[&](const Sampler& entry) { return entry.GetOffset() == cbuf_key; });
if (itr != used_samplers.end()) {
ASSERT(itr->GetType() == type && itr->IsArray() == is_array &&
itr->IsShadow() == is_shadow);
return *itr;
}
// Otherwise create a new mapping for this sampler
const std::size_t next_index = used_bindless_samplers.size();
const Sampler entry{0, next_index, type, is_array, is_shadow, true};
return (*used_bindless_samplers.emplace(std::make_pair(cbuf_pair, entry)).first).second;
const std::size_t next_index = used_samplers.size();
const Sampler entry{cbuf_index, cbuf_offset, next_index, type, is_array, is_shadow};
return *used_samplers.emplace(entry).first;
}
void ShaderIR::WriteTexInstructionFloat(NodeBlock& bb, Instruction instr, const Node4& components) {

36
src/video_core/shader/shader_ir.h
View File

@ -196,12 +196,24 @@ enum class ExitMethod {
class Sampler {
public:
Sampler() = default;
// Use this constructor for binded Samplers
explicit Sampler(std::size_t offset, std::size_t index, Tegra::Shader::TextureType type,
bool is_array, bool is_shadow)
: offset{offset}, index{index}, type{type}, is_array{is_array}, is_shadow{is_shadow},
is_bindless{false} {}
// Use this constructor for bindless Samplers
explicit Sampler(u32 cbuf_index, u32 cbuf_offset, std::size_t index,
Tegra::Shader::TextureType type, bool is_array, bool is_shadow)
: offset{(static_cast<u64>(cbuf_index) << 32) | cbuf_offset}, index{index}, type{type}, is_array{is_array},
is_shadow{is_shadow}, is_bindless{true} {}
// Use this only for serialization/deserialization
explicit Sampler(std::size_t offset, std::size_t index, Tegra::Shader::TextureType type,
bool is_array, bool is_shadow, bool is_bindless)
: offset{offset}, index{index}, type{type}, is_array{is_array}, is_shadow{is_shadow}, is_bindless{is_bindless} {}
: offset{offset}, index{index}, type{type}, is_array{is_array}, is_shadow{is_shadow},
is_bindless{is_bindless} {}
~Sampler() = default;
std::size_t GetOffset() const {
return offset;
@ -223,6 +235,14 @@ public:
return is_shadow;
}
bool IsBindless() const {
return is_bindless;
}
std::pair<u32, u32> GetBindlessCBuf() {
return {offset >> 32, offset & 0x00000000FFFFFFFFULL};
}
bool operator<(const Sampler& rhs) const {
return std::tie(offset, index, type, is_array, is_shadow) <
std::tie(rhs.offset, rhs.index, rhs.type, rhs.is_array, rhs.is_shadow);
@ -234,8 +254,8 @@ private:
std::size_t offset{};
std::size_t index{}; ///< Value used to index into the generated GLSL sampler array.
Tegra::Shader::TextureType type{}; ///< The type used to sample this texture (Texture2D, etc)
bool is_array{}; ///< Whether the texture is being sampled as an array texture or not.
bool is_shadow{}; ///< Whether the texture is being sampled as a depth texture or not.
bool is_array{}; ///< Whether the texture is being sampled as an array texture or not.
bool is_shadow{}; ///< Whether the texture is being sampled as a depth texture or not.
bool is_bindless{}; ///< Whether this sampler belongs to a bindless texture or not.
};
@ -735,8 +755,9 @@ private:
Tegra::Shader::TextureType type, bool is_array, bool is_shadow);
// Accesses a texture sampler for a bindless texture.
const Sampler& GetBindlessSampler(const Tegra::Shader::Register& reg, Tegra::Shader::TextureType type,
bool is_array, bool is_shadow);
const Sampler& GetBindlessSampler(const Tegra::Shader::Register& reg,
Tegra::Shader::TextureType type, bool is_array,
bool is_shadow);
/// Extracts a sequence of bits from a node
Node BitfieldExtract(Node value, u32 offset, u32 bits);
@ -845,7 +866,6 @@ private:
std::set<Tegra::Shader::Attribute::Index> used_output_attributes;
std::map<u32, ConstBuffer> used_cbufs;
std::set<Sampler> used_samplers;
std::map<std::pair<u32, u32>, Sampler> used_bindless_samplers;
std::array<bool, Tegra::Engines::Maxwell3D::Regs::NumClipDistances> used_clip_distances{};
std::set<GlobalMemoryBase> used_global_memory_bases;