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authorFernando Sahmkow <fsahmkow27@gmail.com>2019-03-26 22:56:16 +0100
committerFernandoS27 <fsahmkow27@gmail.com>2019-04-08 17:23:45 +0200
commitfe392fff2425c10c9683a4058c779d352b9855ec (patch)
tree3227202eb53093f9a22d9e704928ade70cda08c4 /src/video_core
parentImplement Bindless Samplers and TEX_B in the IR. (diff)
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Diffstat (limited to 'src/video_core')
-rw-r--r--src/video_core/renderer_opengl/gl_shader_decompiler.h3
-rw-r--r--src/video_core/renderer_opengl/gl_shader_disk_cache.cpp9
-rw-r--r--src/video_core/shader/decode/texture.cpp22
-rw-r--r--src/video_core/shader/shader_ir.h36
4 files changed, 48 insertions, 22 deletions
diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.h b/src/video_core/renderer_opengl/gl_shader_decompiler.h
index 4e04ab2f8..9f7b7272e 100644
--- a/src/video_core/renderer_opengl/gl_shader_decompiler.h
+++ b/src/video_core/renderer_opengl/gl_shader_decompiler.h
@@ -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 \ No newline at end of file
+} // namespace OpenGL::GLShader
diff --git a/src/video_core/renderer_opengl/gl_shader_disk_cache.cpp b/src/video_core/renderer_opengl/gl_shader_disk_cache.cpp
index 6a95af6f6..e27740383 100644
--- a/src/video_core/renderer_opengl/gl_shader_disk_cache.cpp
+++ b/src/video_core/renderer_opengl/gl_shader_disk_cache.cpp
@@ -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;
}
}
diff --git a/src/video_core/shader/decode/texture.cpp b/src/video_core/shader/decode/texture.cpp
index 23f2ad999..3ac04f6b7 100644
--- a/src/video_core/shader/decode/texture.cpp
+++ b/src/video_core/shader/decode/texture.cpp
@@ -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) {
diff --git a/src/video_core/shader/shader_ir.h b/src/video_core/shader/shader_ir.h
index 712dc3ddb..773c71fa5 100644
--- a/src/video_core/shader/shader_ir.h
+++ b/src/video_core/shader/shader_ir.h
@@ -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;