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-rw-r--r--src/video_core/CMakeLists.txt2
-rw-r--r--src/video_core/engines/shader_bytecode.h4
-rw-r--r--src/video_core/renderer_opengl/gl_rasterizer.cpp49
-rw-r--r--src/video_core/renderer_opengl/gl_rasterizer.h3
-rw-r--r--src/video_core/renderer_opengl/gl_shader_cache.cpp82
-rw-r--r--src/video_core/renderer_opengl/gl_shader_decompiler.cpp10
-rw-r--r--src/video_core/renderer_vulkan/vk_pipeline_cache.cpp69
-rw-r--r--src/video_core/renderer_vulkan/vk_pipeline_cache.h8
-rw-r--r--src/video_core/renderer_vulkan/vk_rasterizer.cpp4
-rw-r--r--src/video_core/renderer_vulkan/vk_shader_decompiler.cpp11
-rw-r--r--src/video_core/shader/control_flow.cpp12
-rw-r--r--src/video_core/shader/decode.cpp12
-rw-r--r--src/video_core/shader/decode/arithmetic_integer.cpp31
-rw-r--r--src/video_core/shader/decode/register_set_predicate.cpp52
-rw-r--r--src/video_core/shader/memory_util.cpp77
-rw-r--r--src/video_core/shader/memory_util.h47
-rw-r--r--src/video_core/shader/node.h2
-rw-r--r--src/video_core/shader/shader_ir.h3
-rw-r--r--src/video_core/shader/track.cpp20
-rw-r--r--src/video_core/texture_cache/texture_cache.h66
20 files changed, 323 insertions, 241 deletions
diff --git a/src/video_core/CMakeLists.txt b/src/video_core/CMakeLists.txt
index 8ede4ba9b..ff53282c9 100644
--- a/src/video_core/CMakeLists.txt
+++ b/src/video_core/CMakeLists.txt
@@ -124,6 +124,8 @@ add_library(video_core STATIC
shader/decode.cpp
shader/expr.cpp
shader/expr.h
+ shader/memory_util.cpp
+ shader/memory_util.h
shader/node_helper.cpp
shader/node_helper.h
shader/node.h
diff --git a/src/video_core/engines/shader_bytecode.h b/src/video_core/engines/shader_bytecode.h
index cde3a26b9..8dae754d4 100644
--- a/src/video_core/engines/shader_bytecode.h
+++ b/src/video_core/engines/shader_bytecode.h
@@ -814,6 +814,10 @@ union Instruction {
} alu_integer;
union {
+ BitField<43, 1, u64> x;
+ } iadd;
+
+ union {
BitField<39, 1, u64> ftz;
BitField<32, 1, u64> saturate;
BitField<49, 2, HalfMerge> merge;
diff --git a/src/video_core/renderer_opengl/gl_rasterizer.cpp b/src/video_core/renderer_opengl/gl_rasterizer.cpp
index 4b1906a98..f33c4a8f9 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer.cpp
+++ b/src/video_core/renderer_opengl/gl_rasterizer.cpp
@@ -348,7 +348,7 @@ void RasterizerOpenGL::ConfigureFramebuffers() {
texture_cache.GuardRenderTargets(true);
- View depth_surface = texture_cache.GetDepthBufferSurface();
+ View depth_surface = texture_cache.GetDepthBufferSurface(true);
const auto& regs = gpu.regs;
UNIMPLEMENTED_IF(regs.rt_separate_frag_data == 0);
@@ -357,7 +357,7 @@ void RasterizerOpenGL::ConfigureFramebuffers() {
FramebufferCacheKey key;
const auto colors_count = static_cast<std::size_t>(regs.rt_control.count);
for (std::size_t index = 0; index < colors_count; ++index) {
- View color_surface{texture_cache.GetColorBufferSurface(index)};
+ View color_surface{texture_cache.GetColorBufferSurface(index, true)};
if (!color_surface) {
continue;
}
@@ -381,28 +381,52 @@ void RasterizerOpenGL::ConfigureFramebuffers() {
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, framebuffer_cache.GetFramebuffer(key));
}
-void RasterizerOpenGL::ConfigureClearFramebuffer(bool using_color_fb, bool using_depth_fb,
- bool using_stencil_fb) {
+void RasterizerOpenGL::ConfigureClearFramebuffer(bool using_color, bool using_depth_stencil) {
auto& gpu = system.GPU().Maxwell3D();
const auto& regs = gpu.regs;
texture_cache.GuardRenderTargets(true);
View color_surface;
- if (using_color_fb) {
+
+ if (using_color) {
+ // Determine if we have to preserve the contents.
+ // First we have to make sure all clear masks are enabled.
+ bool preserve_contents = !regs.clear_buffers.R || !regs.clear_buffers.G ||
+ !regs.clear_buffers.B || !regs.clear_buffers.A;
const std::size_t index = regs.clear_buffers.RT;
- color_surface = texture_cache.GetColorBufferSurface(index);
+ if (regs.clear_flags.scissor) {
+ // Then we have to confirm scissor testing clears the whole image.
+ const auto& scissor = regs.scissor_test[0];
+ preserve_contents |= scissor.min_x > 0;
+ preserve_contents |= scissor.min_y > 0;
+ preserve_contents |= scissor.max_x < regs.rt[index].width;
+ preserve_contents |= scissor.max_y < regs.rt[index].height;
+ }
+
+ color_surface = texture_cache.GetColorBufferSurface(index, preserve_contents);
texture_cache.MarkColorBufferInUse(index);
}
+
View depth_surface;
- if (using_depth_fb || using_stencil_fb) {
- depth_surface = texture_cache.GetDepthBufferSurface();
+ if (using_depth_stencil) {
+ bool preserve_contents = false;
+ if (regs.clear_flags.scissor) {
+ // For depth stencil clears we only have to confirm scissor test covers the whole image.
+ const auto& scissor = regs.scissor_test[0];
+ preserve_contents |= scissor.min_x > 0;
+ preserve_contents |= scissor.min_y > 0;
+ preserve_contents |= scissor.max_x < regs.zeta_width;
+ preserve_contents |= scissor.max_y < regs.zeta_height;
+ }
+
+ depth_surface = texture_cache.GetDepthBufferSurface(preserve_contents);
texture_cache.MarkDepthBufferInUse();
}
texture_cache.GuardRenderTargets(false);
FramebufferCacheKey key;
- key.colors[0] = color_surface;
- key.zeta = depth_surface;
+ key.colors[0] = std::move(color_surface);
+ key.zeta = std::move(depth_surface);
state_tracker.NotifyFramebuffer();
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, framebuffer_cache.GetFramebuffer(key));
@@ -422,8 +446,7 @@ void RasterizerOpenGL::Clear() {
if (regs.clear_buffers.R || regs.clear_buffers.G || regs.clear_buffers.B ||
regs.clear_buffers.A) {
use_color = true;
- }
- if (use_color) {
+
state_tracker.NotifyColorMask0();
glColorMaski(0, regs.clear_buffers.R != 0, regs.clear_buffers.G != 0,
regs.clear_buffers.B != 0, regs.clear_buffers.A != 0);
@@ -461,7 +484,7 @@ void RasterizerOpenGL::Clear() {
UNIMPLEMENTED_IF(regs.clear_flags.viewport);
- ConfigureClearFramebuffer(use_color, use_depth, use_stencil);
+ ConfigureClearFramebuffer(use_color, use_depth || use_stencil);
if (use_color) {
glClearBufferfv(GL_COLOR, 0, regs.clear_color);
diff --git a/src/video_core/renderer_opengl/gl_rasterizer.h b/src/video_core/renderer_opengl/gl_rasterizer.h
index ebd2173eb..87249fb6f 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer.h
+++ b/src/video_core/renderer_opengl/gl_rasterizer.h
@@ -95,7 +95,8 @@ private:
/// Configures the color and depth framebuffer states.
void ConfigureFramebuffers();
- void ConfigureClearFramebuffer(bool using_color_fb, bool using_depth_fb, bool using_stencil_fb);
+ /// Configures the color and depth framebuffer for clearing.
+ void ConfigureClearFramebuffer(bool using_color, bool using_depth_stencil);
/// Configures the current constbuffers to use for the draw command.
void SetupDrawConstBuffers(std::size_t stage_index, const Shader& shader);
diff --git a/src/video_core/renderer_opengl/gl_shader_cache.cpp b/src/video_core/renderer_opengl/gl_shader_cache.cpp
index f63156b8d..9759a7078 100644
--- a/src/video_core/renderer_opengl/gl_shader_cache.cpp
+++ b/src/video_core/renderer_opengl/gl_shader_cache.cpp
@@ -10,8 +10,6 @@
#include <thread>
#include <unordered_set>
-#include <boost/functional/hash.hpp>
-
#include "common/alignment.h"
#include "common/assert.h"
#include "common/logging/log.h"
@@ -28,76 +26,26 @@
#include "video_core/renderer_opengl/gl_shader_disk_cache.h"
#include "video_core/renderer_opengl/gl_state_tracker.h"
#include "video_core/renderer_opengl/utils.h"
+#include "video_core/shader/memory_util.h"
#include "video_core/shader/registry.h"
#include "video_core/shader/shader_ir.h"
namespace OpenGL {
using Tegra::Engines::ShaderType;
+using VideoCommon::Shader::GetShaderAddress;
+using VideoCommon::Shader::GetShaderCode;
+using VideoCommon::Shader::GetUniqueIdentifier;
+using VideoCommon::Shader::KERNEL_MAIN_OFFSET;
using VideoCommon::Shader::ProgramCode;
using VideoCommon::Shader::Registry;
using VideoCommon::Shader::ShaderIR;
+using VideoCommon::Shader::STAGE_MAIN_OFFSET;
namespace {
-constexpr u32 STAGE_MAIN_OFFSET = 10;
-constexpr u32 KERNEL_MAIN_OFFSET = 0;
-
constexpr VideoCommon::Shader::CompilerSettings COMPILER_SETTINGS{};
-/// Gets the address for the specified shader stage program
-GPUVAddr GetShaderAddress(Core::System& system, Maxwell::ShaderProgram program) {
- const auto& gpu{system.GPU().Maxwell3D()};
- const auto& shader_config{gpu.regs.shader_config[static_cast<std::size_t>(program)]};
- return gpu.regs.code_address.CodeAddress() + shader_config.offset;
-}
-
-/// Gets if the current instruction offset is a scheduler instruction
-constexpr bool IsSchedInstruction(std::size_t offset, std::size_t main_offset) {
- // Sched instructions appear once every 4 instructions.
- constexpr std::size_t SchedPeriod = 4;
- const std::size_t absolute_offset = offset - main_offset;
- return (absolute_offset % SchedPeriod) == 0;
-}
-
-/// Calculates the size of a program stream
-std::size_t CalculateProgramSize(const ProgramCode& program) {
- constexpr std::size_t start_offset = 10;
- // This is the encoded version of BRA that jumps to itself. All Nvidia
- // shaders end with one.
- constexpr u64 self_jumping_branch = 0xE2400FFFFF07000FULL;
- constexpr u64 mask = 0xFFFFFFFFFF7FFFFFULL;
- std::size_t offset = start_offset;
- while (offset < program.size()) {
- const u64 instruction = program[offset];
- if (!IsSchedInstruction(offset, start_offset)) {
- if ((instruction & mask) == self_jumping_branch) {
- // End on Maxwell's "nop" instruction
- break;
- }
- if (instruction == 0) {
- break;
- }
- }
- offset++;
- }
- // The last instruction is included in the program size
- return std::min(offset + 1, program.size());
-}
-
-/// Gets the shader program code from memory for the specified address
-ProgramCode GetShaderCode(Tegra::MemoryManager& memory_manager, const GPUVAddr gpu_addr,
- const u8* host_ptr) {
- ProgramCode code(VideoCommon::Shader::MAX_PROGRAM_LENGTH);
- ASSERT_OR_EXECUTE(host_ptr != nullptr, {
- std::fill(code.begin(), code.end(), 0);
- return code;
- });
- memory_manager.ReadBlockUnsafe(gpu_addr, code.data(), code.size() * sizeof(u64));
- code.resize(CalculateProgramSize(code));
- return code;
-}
-
/// Gets the shader type from a Maxwell program type
constexpr GLenum GetGLShaderType(ShaderType shader_type) {
switch (shader_type) {
@@ -114,17 +62,6 @@ constexpr GLenum GetGLShaderType(ShaderType shader_type) {
}
}
-/// Hashes one (or two) program streams
-u64 GetUniqueIdentifier(ShaderType shader_type, bool is_a, const ProgramCode& code,
- const ProgramCode& code_b = {}) {
- u64 unique_identifier = boost::hash_value(code);
- if (is_a) {
- // VertexA programs include two programs
- boost::hash_combine(unique_identifier, boost::hash_value(code_b));
- }
- return unique_identifier;
-}
-
constexpr const char* GetShaderTypeName(ShaderType shader_type) {
switch (shader_type) {
case ShaderType::Vertex:
@@ -456,11 +393,12 @@ Shader ShaderCacheOpenGL::GetStageProgram(Maxwell::ShaderProgram program) {
const auto host_ptr{memory_manager.GetPointer(address)};
// No shader found - create a new one
- ProgramCode code{GetShaderCode(memory_manager, address, host_ptr)};
+ ProgramCode code{GetShaderCode(memory_manager, address, host_ptr, false)};
ProgramCode code_b;
if (program == Maxwell::ShaderProgram::VertexA) {
const GPUVAddr address_b{GetShaderAddress(system, Maxwell::ShaderProgram::VertexB)};
- code_b = GetShaderCode(memory_manager, address_b, memory_manager.GetPointer(address_b));
+ const u8* host_ptr_b = memory_manager.GetPointer(address_b);
+ code_b = GetShaderCode(memory_manager, address_b, host_ptr_b, false);
}
const auto unique_identifier = GetUniqueIdentifier(
@@ -498,7 +436,7 @@ Shader ShaderCacheOpenGL::GetComputeKernel(GPUVAddr code_addr) {
const auto host_ptr{memory_manager.GetPointer(code_addr)};
// No kernel found, create a new one
- auto code{GetShaderCode(memory_manager, code_addr, host_ptr)};
+ auto code{GetShaderCode(memory_manager, code_addr, host_ptr, true)};
const auto unique_identifier{GetUniqueIdentifier(ShaderType::Compute, false, code)};
const ShaderParameters params{system, disk_cache, device,
diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
index 0cd3ad7e1..3803a6f3a 100644
--- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
+++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
@@ -1870,6 +1870,14 @@ private:
return GenerateBinaryInfix(operation, ">=", Type::Bool, type, type);
}
+ Expression LogicalAddCarry(Operation operation) {
+ const std::string carry = code.GenerateTemporary();
+ code.AddLine("uint {};", carry);
+ code.AddLine("uaddCarry({}, {}, {});", VisitOperand(operation, 0).AsUint(),
+ VisitOperand(operation, 1).AsUint(), carry);
+ return {fmt::format("({} != 0)", carry), Type::Bool};
+ }
+
Expression LogicalFIsNan(Operation operation) {
return GenerateUnary(operation, "isnan", Type::Bool, Type::Float);
}
@@ -2441,6 +2449,8 @@ private:
&GLSLDecompiler::LogicalNotEqual<Type::Uint>,
&GLSLDecompiler::LogicalGreaterEqual<Type::Uint>,
+ &GLSLDecompiler::LogicalAddCarry,
+
&GLSLDecompiler::Logical2HLessThan<false>,
&GLSLDecompiler::Logical2HEqual<false>,
&GLSLDecompiler::Logical2HLessEqual<false>,
diff --git a/src/video_core/renderer_vulkan/vk_pipeline_cache.cpp b/src/video_core/renderer_vulkan/vk_pipeline_cache.cpp
index e6d4adc92..9b703a2f0 100644
--- a/src/video_core/renderer_vulkan/vk_pipeline_cache.cpp
+++ b/src/video_core/renderer_vulkan/vk_pipeline_cache.cpp
@@ -27,12 +27,18 @@
#include "video_core/renderer_vulkan/vk_update_descriptor.h"
#include "video_core/renderer_vulkan/wrapper.h"
#include "video_core/shader/compiler_settings.h"
+#include "video_core/shader/memory_util.h"
namespace Vulkan {
MICROPROFILE_DECLARE(Vulkan_PipelineCache);
using Tegra::Engines::ShaderType;
+using VideoCommon::Shader::GetShaderAddress;
+using VideoCommon::Shader::GetShaderCode;
+using VideoCommon::Shader::KERNEL_MAIN_OFFSET;
+using VideoCommon::Shader::ProgramCode;
+using VideoCommon::Shader::STAGE_MAIN_OFFSET;
namespace {
@@ -45,60 +51,6 @@ constexpr VkDescriptorType STORAGE_IMAGE = VK_DESCRIPTOR_TYPE_STORAGE_IMAGE;
constexpr VideoCommon::Shader::CompilerSettings compiler_settings{
VideoCommon::Shader::CompileDepth::FullDecompile};
-/// Gets the address for the specified shader stage program
-GPUVAddr GetShaderAddress(Core::System& system, Maxwell::ShaderProgram program) {
- const auto& gpu{system.GPU().Maxwell3D()};
- const auto& shader_config{gpu.regs.shader_config[static_cast<std::size_t>(program)]};
- return gpu.regs.code_address.CodeAddress() + shader_config.offset;
-}
-
-/// Gets if the current instruction offset is a scheduler instruction
-constexpr bool IsSchedInstruction(std::size_t offset, std::size_t main_offset) {
- // Sched instructions appear once every 4 instructions.
- constexpr std::size_t SchedPeriod = 4;
- const std::size_t absolute_offset = offset - main_offset;
- return (absolute_offset % SchedPeriod) == 0;
-}
-
-/// Calculates the size of a program stream
-std::size_t CalculateProgramSize(const ProgramCode& program, bool is_compute) {
- const std::size_t start_offset = is_compute ? 0 : 10;
- // This is the encoded version of BRA that jumps to itself. All Nvidia
- // shaders end with one.
- constexpr u64 self_jumping_branch = 0xE2400FFFFF07000FULL;
- constexpr u64 mask = 0xFFFFFFFFFF7FFFFFULL;
- std::size_t offset = start_offset;
- while (offset < program.size()) {
- const u64 instruction = program[offset];
- if (!IsSchedInstruction(offset, start_offset)) {
- if ((instruction & mask) == self_jumping_branch) {
- // End on Maxwell's "nop" instruction
- break;
- }
- if (instruction == 0) {
- break;
- }
- }
- ++offset;
- }
- // The last instruction is included in the program size
- return std::min(offset + 1, program.size());
-}
-
-/// Gets the shader program code from memory for the specified address
-ProgramCode GetShaderCode(Tegra::MemoryManager& memory_manager, const GPUVAddr gpu_addr,
- const u8* host_ptr, bool is_compute) {
- ProgramCode program_code(VideoCommon::Shader::MAX_PROGRAM_LENGTH);
- ASSERT_OR_EXECUTE(host_ptr != nullptr, {
- std::fill(program_code.begin(), program_code.end(), 0);
- return program_code;
- });
- memory_manager.ReadBlockUnsafe(gpu_addr, program_code.data(),
- program_code.size() * sizeof(u64));
- program_code.resize(CalculateProgramSize(program_code, is_compute));
- return program_code;
-}
-
constexpr std::size_t GetStageFromProgram(std::size_t program) {
return program == 0 ? 0 : program - 1;
}
@@ -230,9 +182,9 @@ std::array<Shader, Maxwell::MaxShaderProgram> VKPipelineCache::GetShaders() {
const auto host_ptr{memory_manager.GetPointer(program_addr)};
// No shader found - create a new one
- constexpr u32 stage_offset = 10;
+ constexpr u32 stage_offset = STAGE_MAIN_OFFSET;
const auto stage = static_cast<Tegra::Engines::ShaderType>(index == 0 ? 0 : index - 1);
- auto code = GetShaderCode(memory_manager, program_addr, host_ptr, false);
+ ProgramCode code = GetShaderCode(memory_manager, program_addr, host_ptr, false);
shader = std::make_shared<CachedShader>(system, stage, program_addr, *cpu_addr,
std::move(code), stage_offset);
@@ -288,11 +240,10 @@ VKComputePipeline& VKPipelineCache::GetComputePipeline(const ComputePipelineCach
// No shader found - create a new one
const auto host_ptr = memory_manager.GetPointer(program_addr);
- auto code = GetShaderCode(memory_manager, program_addr, host_ptr, true);
- constexpr u32 kernel_main_offset = 0;
+ ProgramCode code = GetShaderCode(memory_manager, program_addr, host_ptr, true);
shader = std::make_shared<CachedShader>(system, Tegra::Engines::ShaderType::Compute,
program_addr, *cpu_addr, std::move(code),
- kernel_main_offset);
+ KERNEL_MAIN_OFFSET);
if (cpu_addr) {
Register(shader);
} else {
diff --git a/src/video_core/renderer_vulkan/vk_pipeline_cache.h b/src/video_core/renderer_vulkan/vk_pipeline_cache.h
index 84d26b822..ebddafb73 100644
--- a/src/video_core/renderer_vulkan/vk_pipeline_cache.h
+++ b/src/video_core/renderer_vulkan/vk_pipeline_cache.h
@@ -24,6 +24,7 @@
#include "video_core/renderer_vulkan/vk_resource_manager.h"
#include "video_core/renderer_vulkan/vk_shader_decompiler.h"
#include "video_core/renderer_vulkan/wrapper.h"
+#include "video_core/shader/memory_util.h"
#include "video_core/shader/registry.h"
#include "video_core/shader/shader_ir.h"
#include "video_core/surface.h"
@@ -46,8 +47,6 @@ class CachedShader;
using Shader = std::shared_ptr<CachedShader>;
using Maxwell = Tegra::Engines::Maxwell3D::Regs;
-using ProgramCode = std::vector<u64>;
-
struct GraphicsPipelineCacheKey {
FixedPipelineState fixed_state;
RenderPassParams renderpass_params;
@@ -108,7 +107,8 @@ namespace Vulkan {
class CachedShader final : public RasterizerCacheObject {
public:
explicit CachedShader(Core::System& system, Tegra::Engines::ShaderType stage, GPUVAddr gpu_addr,
- VAddr cpu_addr, ProgramCode program_code, u32 main_offset);
+ VAddr cpu_addr, VideoCommon::Shader::ProgramCode program_code,
+ u32 main_offset);
~CachedShader();
GPUVAddr GetGpuAddr() const {
@@ -140,7 +140,7 @@ private:
Tegra::Engines::ShaderType stage);
GPUVAddr gpu_addr{};
- ProgramCode program_code;
+ VideoCommon::Shader::ProgramCode program_code;
VideoCommon::Shader::Registry registry;
VideoCommon::Shader::ShaderIR shader_ir;
ShaderEntries entries;
diff --git a/src/video_core/renderer_vulkan/vk_rasterizer.cpp b/src/video_core/renderer_vulkan/vk_rasterizer.cpp
index c821b1229..776053de5 100644
--- a/src/video_core/renderer_vulkan/vk_rasterizer.cpp
+++ b/src/video_core/renderer_vulkan/vk_rasterizer.cpp
@@ -656,7 +656,7 @@ RasterizerVulkan::Texceptions RasterizerVulkan::UpdateAttachments() {
Texceptions texceptions;
for (std::size_t rt = 0; rt < Maxwell::NumRenderTargets; ++rt) {
if (update_rendertargets) {
- color_attachments[rt] = texture_cache.GetColorBufferSurface(rt);
+ color_attachments[rt] = texture_cache.GetColorBufferSurface(rt, true);
}
if (color_attachments[rt] && WalkAttachmentOverlaps(*color_attachments[rt])) {
texceptions[rt] = true;
@@ -664,7 +664,7 @@ RasterizerVulkan::Texceptions RasterizerVulkan::UpdateAttachments() {
}
if (update_rendertargets) {
- zeta_attachment = texture_cache.GetDepthBufferSurface();
+ zeta_attachment = texture_cache.GetDepthBufferSurface(true);
}
if (zeta_attachment && WalkAttachmentOverlaps(*zeta_attachment)) {
texceptions[ZETA_TEXCEPTION_INDEX] = true;
diff --git a/src/video_core/renderer_vulkan/vk_shader_decompiler.cpp b/src/video_core/renderer_vulkan/vk_shader_decompiler.cpp
index aaa138f52..20b6ca0ad 100644
--- a/src/video_core/renderer_vulkan/vk_shader_decompiler.cpp
+++ b/src/video_core/renderer_vulkan/vk_shader_decompiler.cpp
@@ -1584,6 +1584,15 @@ private:
return {OpCompositeConstruct(t_half, low, high), Type::HalfFloat};
}
+ Expression LogicalAddCarry(Operation operation) {
+ const Id op_a = AsUint(Visit(operation[0]));
+ const Id op_b = AsUint(Visit(operation[1]));
+
+ const Id result = OpIAddCarry(TypeStruct({t_uint, t_uint}), op_a, op_b);
+ const Id carry = OpCompositeExtract(t_uint, result, 1);
+ return {OpINotEqual(t_bool, carry, Constant(t_uint, 0)), Type::Bool};
+ }
+
Expression LogicalAssign(Operation operation) {
const Node& dest = operation[0];
const Node& src = operation[1];
@@ -2518,6 +2527,8 @@ private:
&SPIRVDecompiler::Binary<&Module::OpINotEqual, Type::Bool, Type::Uint>,
&SPIRVDecompiler::Binary<&Module::OpUGreaterThanEqual, Type::Bool, Type::Uint>,
+ &SPIRVDecompiler::LogicalAddCarry,
+
&SPIRVDecompiler::Binary<&Module::OpFOrdLessThan, Type::Bool2, Type::HalfFloat>,
&SPIRVDecompiler::Binary<&Module::OpFOrdEqual, Type::Bool2, Type::HalfFloat>,
&SPIRVDecompiler::Binary<&Module::OpFOrdLessThanEqual, Type::Bool2, Type::HalfFloat>,
diff --git a/src/video_core/shader/control_flow.cpp b/src/video_core/shader/control_flow.cpp
index e00a3fb70..8d86020f6 100644
--- a/src/video_core/shader/control_flow.cpp
+++ b/src/video_core/shader/control_flow.cpp
@@ -13,6 +13,7 @@
#include "common/common_types.h"
#include "video_core/shader/ast.h"
#include "video_core/shader/control_flow.h"
+#include "video_core/shader/memory_util.h"
#include "video_core/shader/registry.h"
#include "video_core/shader/shader_ir.h"
@@ -115,17 +116,6 @@ Pred GetPredicate(u32 index, bool negated) {
return static_cast<Pred>(static_cast<u64>(index) + (negated ? 8ULL : 0ULL));
}
-/**
- * Returns whether the instruction at the specified offset is a 'sched' instruction.
- * Sched instructions always appear before a sequence of 3 instructions.
- */
-constexpr bool IsSchedInstruction(u32 offset, u32 main_offset) {
- constexpr u32 SchedPeriod = 4;
- u32 absolute_offset = offset - main_offset;
-
- return (absolute_offset % SchedPeriod) == 0;
-}
-
enum class ParseResult : u32 {
ControlCaught,
BlockEnd,
diff --git a/src/video_core/shader/decode.cpp b/src/video_core/shader/decode.cpp
index 87ac9ac6c..1167ff4ec 100644
--- a/src/video_core/shader/decode.cpp
+++ b/src/video_core/shader/decode.cpp
@@ -13,6 +13,7 @@
#include "video_core/engines/shader_bytecode.h"
#include "video_core/engines/shader_header.h"
#include "video_core/shader/control_flow.h"
+#include "video_core/shader/memory_util.h"
#include "video_core/shader/node_helper.h"
#include "video_core/shader/shader_ir.h"
@@ -23,17 +24,6 @@ using Tegra::Shader::OpCode;
namespace {
-/**
- * Returns whether the instruction at the specified offset is a 'sched' instruction.
- * Sched instructions always appear before a sequence of 3 instructions.
- */
-constexpr bool IsSchedInstruction(u32 offset, u32 main_offset) {
- constexpr u32 SchedPeriod = 4;
- u32 absolute_offset = offset - main_offset;
-
- return (absolute_offset % SchedPeriod) == 0;
-}
-
void DeduceTextureHandlerSize(VideoCore::GuestDriverProfile& gpu_driver,
const std::list<Sampler>& used_samplers) {
if (gpu_driver.IsTextureHandlerSizeKnown() || used_samplers.size() <= 1) {
diff --git a/src/video_core/shader/decode/arithmetic_integer.cpp b/src/video_core/shader/decode/arithmetic_integer.cpp
index 9af8c606d..a041519b7 100644
--- a/src/video_core/shader/decode/arithmetic_integer.cpp
+++ b/src/video_core/shader/decode/arithmetic_integer.cpp
@@ -35,15 +35,38 @@ u32 ShaderIR::DecodeArithmeticInteger(NodeBlock& bb, u32 pc) {
case OpCode::Id::IADD_C:
case OpCode::Id::IADD_R:
case OpCode::Id::IADD_IMM: {
- UNIMPLEMENTED_IF_MSG(instr.alu.saturate_d, "IADD saturation not implemented");
+ UNIMPLEMENTED_IF_MSG(instr.alu.saturate_d, "IADD.SAT");
+ UNIMPLEMENTED_IF_MSG(instr.iadd.x && instr.generates_cc, "IADD.X Rd.CC");
op_a = GetOperandAbsNegInteger(op_a, false, instr.alu_integer.negate_a, true);
op_b = GetOperandAbsNegInteger(op_b, false, instr.alu_integer.negate_b, true);
- const Node value = Operation(OperationCode::IAdd, PRECISE, op_a, op_b);
+ Node value = Operation(OperationCode::UAdd, op_a, op_b);
- SetInternalFlagsFromInteger(bb, value, instr.generates_cc);
- SetRegister(bb, instr.gpr0, value);
+ if (instr.iadd.x) {
+ Node carry = GetInternalFlag(InternalFlag::Carry);
+ Node x = Operation(OperationCode::Select, std::move(carry), Immediate(1), Immediate(0));
+ value = Operation(OperationCode::UAdd, std::move(value), std::move(x));
+ }
+
+ if (instr.generates_cc) {
+ const Node i0 = Immediate(0);
+
+ Node zero = Operation(OperationCode::LogicalIEqual, value, i0);
+ Node sign = Operation(OperationCode::LogicalILessThan, value, i0);
+ Node carry = Operation(OperationCode::LogicalAddCarry, op_a, op_b);
+
+ Node pos_a = Operation(OperationCode::LogicalIGreaterThan, op_a, i0);
+ Node pos_b = Operation(OperationCode::LogicalIGreaterThan, op_b, i0);
+ Node pos = Operation(OperationCode::LogicalAnd, std::move(pos_a), std::move(pos_b));
+ Node overflow = Operation(OperationCode::LogicalAnd, pos, sign);
+
+ SetInternalFlag(bb, InternalFlag::Zero, std::move(zero));
+ SetInternalFlag(bb, InternalFlag::Sign, std::move(sign));
+ SetInternalFlag(bb, InternalFlag::Carry, std::move(carry));
+ SetInternalFlag(bb, InternalFlag::Overflow, std::move(overflow));
+ }
+ SetRegister(bb, instr.gpr0, std::move(value));
break;
}
case OpCode::Id::IADD3_C:
diff --git a/src/video_core/shader/decode/register_set_predicate.cpp b/src/video_core/shader/decode/register_set_predicate.cpp
index 8d54cce34..6116c31aa 100644
--- a/src/video_core/shader/decode/register_set_predicate.cpp
+++ b/src/video_core/shader/decode/register_set_predicate.cpp
@@ -2,6 +2,8 @@
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
+#include <utility>
+
#include "common/assert.h"
#include "common/common_types.h"
#include "video_core/engines/shader_bytecode.h"
@@ -10,20 +12,20 @@
namespace VideoCommon::Shader {
+using std::move;
using Tegra::Shader::Instruction;
using Tegra::Shader::OpCode;
namespace {
-constexpr u64 NUM_PROGRAMMABLE_PREDICATES = 7;
-}
+constexpr u64 NUM_CONDITION_CODES = 4;
+constexpr u64 NUM_PREDICATES = 7;
+} // namespace
u32 ShaderIR::DecodeRegisterSetPredicate(NodeBlock& bb, u32 pc) {
const Instruction instr = {program_code[pc]};
const auto opcode = OpCode::Decode(instr);
- UNIMPLEMENTED_IF(instr.p2r_r2p.mode != Tegra::Shader::R2pMode::Pr);
-
- const Node apply_mask = [&] {
+ Node apply_mask = [this, opcode, instr] {
switch (opcode->get().GetId()) {
case OpCode::Id::R2P_IMM:
case OpCode::Id::P2R_IMM:
@@ -34,39 +36,43 @@ u32 ShaderIR::DecodeRegisterSetPredicate(NodeBlock& bb, u32 pc) {
}
}();
- const auto offset = static_cast<u32>(instr.p2r_r2p.byte) * 8;
+ const u32 offset = static_cast<u32>(instr.p2r_r2p.byte) * 8;
+
+ const bool cc = instr.p2r_r2p.mode == Tegra::Shader::R2pMode::Cc;
+ const u64 num_entries = cc ? NUM_CONDITION_CODES : NUM_PREDICATES;
+ const auto get_entry = [this, cc](u64 entry) {
+ return cc ? GetInternalFlag(static_cast<InternalFlag>(entry)) : GetPredicate(entry);
+ };
switch (opcode->get().GetId()) {
case OpCode::Id::R2P_IMM: {
- const Node mask = GetRegister(instr.gpr8);
+ Node mask = GetRegister(instr.gpr8);
- for (u64 pred = 0; pred < NUM_PROGRAMMABLE_PREDICATES; ++pred) {
- const auto shift = static_cast<u32>(pred);
+ for (u64 entry = 0; entry < num_entries; ++entry) {
+ const u32 shift = static_cast<u32>(entry);
- const Node apply_compare = BitfieldExtract(apply_mask, shift, 1);
- const Node condition =
- Operation(OperationCode::LogicalUNotEqual, apply_compare, Immediate(0));
+ Node apply = BitfieldExtract(apply_mask, shift, 1);
+ Node condition = Operation(OperationCode::LogicalUNotEqual, apply, Immediate(0));
- const Node value_compare = BitfieldExtract(mask, offset + shift, 1);
- const Node value =
- Operation(OperationCode::LogicalUNotEqual, value_compare, Immediate(0));
+ Node compare = BitfieldExtract(mask, offset + shift, 1);
+ Node value = Operation(OperationCode::LogicalUNotEqual, move(compare), Immediate(0));
- const Node code = Operation(OperationCode::LogicalAssign, GetPredicate(pred), value);
- bb.push_back(Conditional(condition, {code}));
+ Node code = Operation(OperationCode::LogicalAssign, get_entry(entry), move(value));
+ bb.push_back(Conditional(condition, {move(code)}));
}
break;
}
case OpCode::Id::P2R_IMM: {
Node value = Immediate(0);
- for (u64 pred = 0; pred < NUM_PROGRAMMABLE_PREDICATES; ++pred) {
- Node bit = Operation(OperationCode::Select, GetPredicate(pred), Immediate(1U << pred),
+ for (u64 entry = 0; entry < num_entries; ++entry) {
+ Node bit = Operation(OperationCode::Select, get_entry(entry), Immediate(1U << entry),
Immediate(0));
- value = Operation(OperationCode::UBitwiseOr, std::move(value), std::move(bit));
+ value = Operation(OperationCode::UBitwiseOr, move(value), move(bit));
}
- value = Operation(OperationCode::UBitwiseAnd, std::move(value), apply_mask);
- value = BitfieldInsert(GetRegister(instr.gpr8), std::move(value), offset, 8);
+ value = Operation(OperationCode::UBitwiseAnd, move(value), apply_mask);
+ value = BitfieldInsert(GetRegister(instr.gpr8), move(value), offset, 8);
- SetRegister(bb, instr.gpr0, std::move(value));
+ SetRegister(bb, instr.gpr0, move(value));
break;
}
default:
diff --git a/src/video_core/shader/memory_util.cpp b/src/video_core/shader/memory_util.cpp
new file mode 100644
index 000000000..074f21691
--- /dev/null
+++ b/src/video_core/shader/memory_util.cpp
@@ -0,0 +1,77 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <algorithm>
+#include <cstddef>
+
+#include <boost/container_hash/hash.hpp>
+
+#include "common/common_types.h"
+#include "core/core.h"
+#include "video_core/engines/maxwell_3d.h"
+#include "video_core/memory_manager.h"
+#include "video_core/shader/memory_util.h"
+#include "video_core/shader/shader_ir.h"
+
+namespace VideoCommon::Shader {
+
+GPUVAddr GetShaderAddress(Core::System& system,
+ Tegra::Engines::Maxwell3D::Regs::ShaderProgram program) {
+ const auto& gpu{system.GPU().Maxwell3D()};
+ const auto& shader_config{gpu.regs.shader_config[static_cast<std::size_t>(program)]};
+ return gpu.regs.code_address.CodeAddress() + shader_config.offset;
+}
+
+bool IsSchedInstruction(std::size_t offset, std::size_t main_offset) {
+ // Sched instructions appear once every 4 instructions.
+ constexpr std::size_t SchedPeriod = 4;
+ const std::size_t absolute_offset = offset - main_offset;
+ return (absolute_offset % SchedPeriod) == 0;
+}
+
+std::size_t CalculateProgramSize(const ProgramCode& program, bool is_compute) {
+ // This is the encoded version of BRA that jumps to itself. All Nvidia
+ // shaders end with one.
+ static constexpr u64 SELF_JUMPING_BRANCH = 0xE2400FFFFF07000FULL;
+ static constexpr u64 MASK = 0xFFFFFFFFFF7FFFFFULL;
+
+ const std::size_t start_offset = is_compute ? KERNEL_MAIN_OFFSET : STAGE_MAIN_OFFSET;
+ std::size_t offset = start_offset;
+ while (offset < program.size()) {
+ const u64 instruction = program[offset];
+ if (!IsSchedInstruction(offset, start_offset)) {
+ if ((instruction & MASK) == SELF_JUMPING_BRANCH) {
+ // End on Maxwell's "nop" instruction
+ break;
+ }
+ if (instruction == 0) {
+ break;
+ }
+ }
+ ++offset;
+ }
+ // The last instruction is included in the program size
+ return std::min(offset + 1, program.size());
+}
+
+ProgramCode GetShaderCode(Tegra::MemoryManager& memory_manager, GPUVAddr gpu_addr,
+ const u8* host_ptr, bool is_compute) {
+ ProgramCode code(VideoCommon::Shader::MAX_PROGRAM_LENGTH);
+ ASSERT_OR_EXECUTE(host_ptr != nullptr, { return code; });
+ memory_manager.ReadBlockUnsafe(gpu_addr, code.data(), code.size() * sizeof(u64));
+ code.resize(CalculateProgramSize(code, is_compute));
+ return code;
+}
+
+u64 GetUniqueIdentifier(Tegra::Engines::ShaderType shader_type, bool is_a, const ProgramCode& code,
+ const ProgramCode& code_b) {
+ u64 unique_identifier = boost::hash_value(code);
+ if (is_a) {
+ // VertexA programs include two programs
+ boost::hash_combine(unique_identifier, boost::hash_value(code_b));
+ }
+ return unique_identifier;
+}
+
+} // namespace VideoCommon::Shader
diff --git a/src/video_core/shader/memory_util.h b/src/video_core/shader/memory_util.h
new file mode 100644
index 000000000..be90d24fd
--- /dev/null
+++ b/src/video_core/shader/memory_util.h
@@ -0,0 +1,47 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <cstddef>
+#include <vector>
+
+#include "common/common_types.h"
+#include "video_core/engines/maxwell_3d.h"
+#include "video_core/engines/shader_type.h"
+
+namespace Core {
+class System;
+}
+
+namespace Tegra {
+class MemoryManager;
+}
+
+namespace VideoCommon::Shader {
+
+using ProgramCode = std::vector<u64>;
+
+constexpr u32 STAGE_MAIN_OFFSET = 10;
+constexpr u32 KERNEL_MAIN_OFFSET = 0;
+
+/// Gets the address for the specified shader stage program
+GPUVAddr GetShaderAddress(Core::System& system,
+ Tegra::Engines::Maxwell3D::Regs::ShaderProgram program);
+
+/// Gets if the current instruction offset is a scheduler instruction
+bool IsSchedInstruction(std::size_t offset, std::size_t main_offset);
+
+/// Calculates the size of a program stream
+std::size_t CalculateProgramSize(const ProgramCode& program, bool is_compute);
+
+/// Gets the shader program code from memory for the specified address
+ProgramCode GetShaderCode(Tegra::MemoryManager& memory_manager, GPUVAddr gpu_addr,
+ const u8* host_ptr, bool is_compute);
+
+/// Hashes one (or two) program streams
+u64 GetUniqueIdentifier(Tegra::Engines::ShaderType shader_type, bool is_a, const ProgramCode& code,
+ const ProgramCode& code_b = {});
+
+} // namespace VideoCommon::Shader
diff --git a/src/video_core/shader/node.h b/src/video_core/shader/node.h
index 3eee961f5..3f5a7bc7a 100644
--- a/src/video_core/shader/node.h
+++ b/src/video_core/shader/node.h
@@ -132,6 +132,8 @@ enum class OperationCode {
LogicalUNotEqual, /// (uint a, uint b) -> bool
LogicalUGreaterEqual, /// (uint a, uint b) -> bool
+ LogicalAddCarry, /// (uint a, uint b) -> bool
+
Logical2HLessThan, /// (MetaHalfArithmetic, f16vec2 a, f16vec2) -> bool2
Logical2HEqual, /// (MetaHalfArithmetic, f16vec2 a, f16vec2) -> bool2
Logical2HLessEqual, /// (MetaHalfArithmetic, f16vec2 a, f16vec2) -> bool2
diff --git a/src/video_core/shader/shader_ir.h b/src/video_core/shader/shader_ir.h
index c6e7bdf50..69de5e68b 100644
--- a/src/video_core/shader/shader_ir.h
+++ b/src/video_core/shader/shader_ir.h
@@ -18,6 +18,7 @@
#include "video_core/engines/shader_header.h"
#include "video_core/shader/ast.h"
#include "video_core/shader/compiler_settings.h"
+#include "video_core/shader/memory_util.h"
#include "video_core/shader/node.h"
#include "video_core/shader/registry.h"
@@ -25,8 +26,6 @@ namespace VideoCommon::Shader {
struct ShaderBlock;
-using ProgramCode = std::vector<u64>;
-
constexpr u32 MAX_PROGRAM_LENGTH = 0x1000;
class ConstBuffer {
diff --git a/src/video_core/shader/track.cpp b/src/video_core/shader/track.cpp
index 513e9bf49..eb97bfd41 100644
--- a/src/video_core/shader/track.cpp
+++ b/src/video_core/shader/track.cpp
@@ -153,21 +153,13 @@ std::tuple<Node, u32, u32> ShaderIR::TrackCbuf(Node tracked, const NodeBlock& co
if (gpr->GetIndex() == Tegra::Shader::Register::ZeroIndex) {
return {};
}
- s64 current_cursor = cursor;
- while (current_cursor > 0) {
- // Reduce the cursor in one to avoid infinite loops when the instruction sets the same
- // register that it uses as operand
- const auto [source, new_cursor] = TrackRegister(gpr, code, current_cursor - 1);
- current_cursor = new_cursor;
- if (!source) {
- continue;
- }
- const auto [base_address, index, offset] = TrackCbuf(source, code, current_cursor);
- if (base_address != nullptr) {
- return {base_address, index, offset};
- }
+ // Reduce the cursor in one to avoid infinite loops when the instruction sets the same
+ // register that it uses as operand
+ const auto [source, new_cursor] = TrackRegister(gpr, code, cursor - 1);
+ if (!source) {
+ return {};
}
- return {};
+ return TrackCbuf(source, code, new_cursor);
}
if (const auto operation = std::get_if<OperationNode>(&*tracked)) {
for (std::size_t i = operation->GetOperandsCount(); i > 0; --i) {
diff --git a/src/video_core/texture_cache/texture_cache.h b/src/video_core/texture_cache/texture_cache.h
index cf6bd005a..d2d2846e6 100644
--- a/src/video_core/texture_cache/texture_cache.h
+++ b/src/video_core/texture_cache/texture_cache.h
@@ -143,7 +143,7 @@ public:
}
const auto params{SurfaceParams::CreateForTexture(format_lookup_table, tic, entry)};
- const auto [surface, view] = GetSurface(gpu_addr, *cpu_addr, params, false);
+ const auto [surface, view] = GetSurface(gpu_addr, *cpu_addr, params, true, false);
if (guard_samplers) {
sampled_textures.push_back(surface);
}
@@ -163,7 +163,7 @@ public:
return GetNullSurface(SurfaceParams::ExpectedTarget(entry));
}
const auto params{SurfaceParams::CreateForImage(format_lookup_table, tic, entry)};
- const auto [surface, view] = GetSurface(gpu_addr, *cpu_addr, params, false);
+ const auto [surface, view] = GetSurface(gpu_addr, *cpu_addr, params, true, false);
if (guard_samplers) {
sampled_textures.push_back(surface);
}
@@ -178,7 +178,7 @@ public:
return any_rt;
}
- TView GetDepthBufferSurface() {
+ TView GetDepthBufferSurface(bool preserve_contents) {
std::lock_guard lock{mutex};
auto& maxwell3d = system.GPU().Maxwell3D();
if (!maxwell3d.dirty.flags[VideoCommon::Dirty::ZetaBuffer]) {
@@ -199,7 +199,7 @@ public:
return {};
}
const auto depth_params{SurfaceParams::CreateForDepthBuffer(system)};
- auto surface_view = GetSurface(gpu_addr, *cpu_addr, depth_params, true);
+ auto surface_view = GetSurface(gpu_addr, *cpu_addr, depth_params, preserve_contents, true);
if (depth_buffer.target)
depth_buffer.target->MarkAsRenderTarget(false, NO_RT);
depth_buffer.target = surface_view.first;
@@ -209,7 +209,7 @@ public:
return surface_view.second;
}
- TView GetColorBufferSurface(std::size_t index) {
+ TView GetColorBufferSurface(std::size_t index, bool preserve_contents) {
std::lock_guard lock{mutex};
ASSERT(index < Tegra::Engines::Maxwell3D::Regs::NumRenderTargets);
auto& maxwell3d = system.GPU().Maxwell3D();
@@ -239,8 +239,9 @@ public:
return {};
}
- auto surface_view = GetSurface(gpu_addr, *cpu_addr,
- SurfaceParams::CreateForFramebuffer(system, index), true);
+ auto surface_view =
+ GetSurface(gpu_addr, *cpu_addr, SurfaceParams::CreateForFramebuffer(system, index),
+ preserve_contents, true);
if (render_targets[index].target) {
auto& surface = render_targets[index].target;
surface->MarkAsRenderTarget(false, NO_RT);
@@ -300,9 +301,9 @@ public:
const std::optional<VAddr> src_cpu_addr =
system.GPU().MemoryManager().GpuToCpuAddress(src_gpu_addr);
std::pair<TSurface, TView> dst_surface =
- GetSurface(dst_gpu_addr, *dst_cpu_addr, dst_params, false);
+ GetSurface(dst_gpu_addr, *dst_cpu_addr, dst_params, true, false);
std::pair<TSurface, TView> src_surface =
- GetSurface(src_gpu_addr, *src_cpu_addr, src_params, false);
+ GetSurface(src_gpu_addr, *src_cpu_addr, src_params, true, false);
ImageBlit(src_surface.second, dst_surface.second, copy_config);
dst_surface.first->MarkAsModified(true, Tick());
}
@@ -532,18 +533,22 @@ private:
* @param overlaps The overlapping surfaces registered in the cache.
* @param params The parameters for the new surface.
* @param gpu_addr The starting address of the new surface.
+ * @param preserve_contents Indicates that the new surface should be loaded from memory or left
+ * blank.
* @param untopological Indicates to the recycler that the texture has no way to match the
* overlaps due to topological reasons.
**/
std::pair<TSurface, TView> RecycleSurface(std::vector<TSurface>& overlaps,
const SurfaceParams& params, const GPUVAddr gpu_addr,
+ const bool preserve_contents,
const MatchTopologyResult untopological) {
+ const bool do_load = preserve_contents && Settings::IsGPULevelExtreme();
for (auto& surface : overlaps) {
Unregister(surface);
}
switch (PickStrategy(overlaps, params, gpu_addr, untopological)) {
case RecycleStrategy::Ignore: {
- return InitializeSurface(gpu_addr, params, Settings::IsGPULevelExtreme());
+ return InitializeSurface(gpu_addr, params, do_load);
}
case RecycleStrategy::Flush: {
std::sort(overlaps.begin(), overlaps.end(),
@@ -553,7 +558,7 @@ private:
for (auto& surface : overlaps) {
FlushSurface(surface);
}
- return InitializeSurface(gpu_addr, params);
+ return InitializeSurface(gpu_addr, params, preserve_contents);
}
case RecycleStrategy::BufferCopy: {
auto new_surface = GetUncachedSurface(gpu_addr, params);
@@ -562,7 +567,7 @@ private:
}
default: {
UNIMPLEMENTED_MSG("Unimplemented Texture Cache Recycling Strategy!");
- return InitializeSurface(gpu_addr, params);
+ return InitializeSurface(gpu_addr, params, do_load);
}
}
}
@@ -700,11 +705,14 @@ private:
* @param params The parameters on the new surface.
* @param gpu_addr The starting address of the new surface.
* @param cpu_addr The starting address of the new surface on physical memory.
+ * @param preserve_contents Indicates that the new surface should be loaded from memory or
+ * left blank.
*/
std::optional<std::pair<TSurface, TView>> Manage3DSurfaces(std::vector<TSurface>& overlaps,
const SurfaceParams& params,
const GPUVAddr gpu_addr,
- const VAddr cpu_addr) {
+ const VAddr cpu_addr,
+ bool preserve_contents) {
if (params.target == SurfaceTarget::Texture3D) {
bool failed = false;
if (params.num_levels > 1) {
@@ -754,7 +762,7 @@ private:
return std::nullopt;
}
Unregister(surface);
- return InitializeSurface(gpu_addr, params);
+ return InitializeSurface(gpu_addr, params, preserve_contents);
}
return std::nullopt;
}
@@ -765,7 +773,7 @@ private:
return {{surface, surface->GetMainView()}};
}
}
- return InitializeSurface(gpu_addr, params);
+ return InitializeSurface(gpu_addr, params, preserve_contents);
}
}
@@ -788,10 +796,13 @@ private:
*
* @param gpu_addr The starting address of the candidate surface.
* @param params The parameters on the candidate surface.
+ * @param preserve_contents Indicates that the new surface should be loaded from memory or
+ * left blank.
* @param is_render Whether or not the surface is a render target.
**/
std::pair<TSurface, TView> GetSurface(const GPUVAddr gpu_addr, const VAddr cpu_addr,
- const SurfaceParams& params, bool is_render) {
+ const SurfaceParams& params, bool preserve_contents,
+ bool is_render) {
// Step 1
// Check Level 1 Cache for a fast structural match. If candidate surface
// matches at certain level we are pretty much done.
@@ -800,7 +811,8 @@ private:
const auto topological_result = current_surface->MatchesTopology(params);
if (topological_result != MatchTopologyResult::FullMatch) {
std::vector<TSurface> overlaps{current_surface};
- return RecycleSurface(overlaps, params, gpu_addr, topological_result);
+ return RecycleSurface(overlaps, params, gpu_addr, preserve_contents,
+ topological_result);
}
const auto struct_result = current_surface->MatchesStructure(params);
@@ -825,7 +837,7 @@ private:
// If none are found, we are done. we just load the surface and create it.
if (overlaps.empty()) {
- return InitializeSurface(gpu_addr, params);
+ return InitializeSurface(gpu_addr, params, preserve_contents);
}
// Step 3
@@ -835,13 +847,15 @@ private:
for (const auto& surface : overlaps) {
const auto topological_result = surface->MatchesTopology(params);
if (topological_result != MatchTopologyResult::FullMatch) {
- return RecycleSurface(overlaps, params, gpu_addr, topological_result);
+ return RecycleSurface(overlaps, params, gpu_addr, preserve_contents,
+ topological_result);
}
}
// Check if it's a 3D texture
if (params.block_depth > 0) {
- auto surface = Manage3DSurfaces(overlaps, params, gpu_addr, cpu_addr);
+ auto surface =
+ Manage3DSurfaces(overlaps, params, gpu_addr, cpu_addr, preserve_contents);
if (surface) {
return *surface;
}
@@ -861,7 +875,8 @@ private:
return *view;
}
}
- return RecycleSurface(overlaps, params, gpu_addr, MatchTopologyResult::FullMatch);
+ return RecycleSurface(overlaps, params, gpu_addr, preserve_contents,
+ MatchTopologyResult::FullMatch);
}
// Now we check if the candidate is a mipmap/layer of the overlap
std::optional<TView> view =
@@ -885,7 +900,7 @@ private:
pair.first->EmplaceView(params, gpu_addr, candidate_size);
if (mirage_view)
return {pair.first, *mirage_view};
- return RecycleSurface(overlaps, params, gpu_addr,
+ return RecycleSurface(overlaps, params, gpu_addr, preserve_contents,
MatchTopologyResult::FullMatch);
}
return {current_surface, *view};
@@ -901,7 +916,8 @@ private:
}
}
// We failed all the tests, recycle the overlaps into a new texture.
- return RecycleSurface(overlaps, params, gpu_addr, MatchTopologyResult::FullMatch);
+ return RecycleSurface(overlaps, params, gpu_addr, preserve_contents,
+ MatchTopologyResult::FullMatch);
}
/**
@@ -1059,10 +1075,10 @@ private:
}
std::pair<TSurface, TView> InitializeSurface(GPUVAddr gpu_addr, const SurfaceParams& params,
- bool do_load = true) {
+ bool preserve_contents) {
auto new_surface{GetUncachedSurface(gpu_addr, params)};
Register(new_surface);
- if (do_load) {
+ if (preserve_contents) {
LoadSurface(new_surface);
}
return {new_surface, new_surface->GetMainView()};