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authorbunnei <bunneidev@gmail.com>2016-03-16 18:18:51 +0100
committerbunnei <bunneidev@gmail.com>2016-03-16 18:18:51 +0100
commit96cafbe4cc4a1d5cae668a6ba174bead35e2a810 (patch)
tree6d6c47cec0883c62c5cc38651e5a0491170d9a9a /src/video_core/shader
parentMerge pull request #1479 from JayFoxRox/mad-encoding (diff)
parentshader_jit_x64: Clear cache after code space fills up. (diff)
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Diffstat (limited to 'src/video_core/shader')
-rw-r--r--src/video_core/shader/shader.cpp16
-rw-r--r--src/video_core/shader/shader_jit_x64.cpp13
-rw-r--r--src/video_core/shader/shader_jit_x64.h5
3 files changed, 27 insertions, 7 deletions
diff --git a/src/video_core/shader/shader.cpp b/src/video_core/shader/shader.cpp
index 5e8930476..509558fc0 100644
--- a/src/video_core/shader/shader.cpp
+++ b/src/video_core/shader/shader.cpp
@@ -32,6 +32,12 @@ namespace Shader {
static std::unordered_map<u64, CompiledShader*> shader_map;
static JitCompiler jit;
static CompiledShader* jit_shader;
+
+static void ClearCache() {
+ shader_map.clear();
+ jit.Clear();
+ LOG_INFO(HW_GPU, "Shader JIT cache cleared");
+}
#endif // ARCHITECTURE_x86_64
void Setup(UnitState<false>& state) {
@@ -45,6 +51,12 @@ void Setup(UnitState<false>& state) {
if (iter != shader_map.end()) {
jit_shader = iter->second;
} else {
+ // Check if remaining JIT code space is enough for at least one more (massive) shader
+ if (jit.GetSpaceLeft() < jit_shader_size) {
+ // If not, clear the cache of all previously compiled shaders
+ ClearCache();
+ }
+
jit_shader = jit.Compile();
shader_map.emplace(cache_key, jit_shader);
}
@@ -54,7 +66,7 @@ void Setup(UnitState<false>& state) {
void Shutdown() {
#ifdef ARCHITECTURE_x86_64
- shader_map.clear();
+ ClearCache();
#endif // ARCHITECTURE_x86_64
}
@@ -135,7 +147,7 @@ OutputVertex Run(UnitState<false>& state, const InputVertex& input, int num_attr
std::fmin(std::fabs(ret.color[i].ToFloat32()), 1.0f));
}
- LOG_TRACE(Render_Software, "Output vertex: pos(%.2f, %.2f, %.2f, %.2f), quat(%.2f, %.2f, %.2f, %.2f), "
+ LOG_TRACE(HW_GPU, "Output vertex: pos(%.2f, %.2f, %.2f, %.2f), quat(%.2f, %.2f, %.2f, %.2f), "
"col(%.2f, %.2f, %.2f, %.2f), tc0(%.2f, %.2f), view(%.2f, %.2f, %.2f)",
ret.pos.x.ToFloat32(), ret.pos.y.ToFloat32(), ret.pos.z.ToFloat32(), ret.pos.w.ToFloat32(),
ret.quat.x.ToFloat32(), ret.quat.y.ToFloat32(), ret.quat.z.ToFloat32(), ret.quat.w.ToFloat32(),
diff --git a/src/video_core/shader/shader_jit_x64.cpp b/src/video_core/shader/shader_jit_x64.cpp
index 443bcbbef..dffe051ef 100644
--- a/src/video_core/shader/shader_jit_x64.cpp
+++ b/src/video_core/shader/shader_jit_x64.cpp
@@ -645,7 +645,8 @@ void JitCompiler::Compile_MAD(Instruction instr) {
}
void JitCompiler::Compile_IF(Instruction instr) {
- ASSERT_MSG(instr.flow_control.dest_offset > *offset_ptr, "Backwards if-statements not supported");
+ ASSERT_MSG(instr.flow_control.dest_offset > *offset_ptr, "Backwards if-statements (%d -> %d) not supported",
+ *offset_ptr, instr.flow_control.dest_offset.Value());
// Evaluate the "IF" condition
if (instr.opcode.Value() == OpCode::Id::IFU) {
@@ -676,7 +677,8 @@ void JitCompiler::Compile_IF(Instruction instr) {
}
void JitCompiler::Compile_LOOP(Instruction instr) {
- ASSERT_MSG(instr.flow_control.dest_offset > *offset_ptr, "Backwards loops not supported");
+ ASSERT_MSG(instr.flow_control.dest_offset > *offset_ptr, "Backwards loops (%d -> %d) not supported",
+ *offset_ptr, instr.flow_control.dest_offset.Value());
ASSERT_MSG(!looping, "Nested loops not supported");
looping = true;
@@ -704,7 +706,8 @@ void JitCompiler::Compile_LOOP(Instruction instr) {
}
void JitCompiler::Compile_JMP(Instruction instr) {
- ASSERT_MSG(instr.flow_control.dest_offset > *offset_ptr, "Backwards jumps not supported");
+ ASSERT_MSG(instr.flow_control.dest_offset > *offset_ptr, "Backwards jumps (%d -> %d) not supported",
+ *offset_ptr, instr.flow_control.dest_offset.Value());
if (instr.opcode.Value() == OpCode::Id::JMPC)
Compile_EvaluateCondition(instr);
@@ -748,7 +751,7 @@ void JitCompiler::Compile_NextInstr(unsigned* offset) {
} else {
// Unhandled instruction
LOG_CRITICAL(HW_GPU, "Unhandled instruction: 0x%02x (0x%08x)",
- instr.opcode.Value().EffectiveOpCode(), instr.hex);
+ instr.opcode.Value().EffectiveOpCode(), instr.hex);
}
}
@@ -787,7 +790,7 @@ CompiledShader* JitCompiler::Compile() {
}
JitCompiler::JitCompiler() {
- AllocCodeSpace(1024 * 1024 * 4);
+ AllocCodeSpace(jit_cache_size);
}
void JitCompiler::Clear() {
diff --git a/src/video_core/shader/shader_jit_x64.h b/src/video_core/shader/shader_jit_x64.h
index 5ad2d9606..5357c964b 100644
--- a/src/video_core/shader/shader_jit_x64.h
+++ b/src/video_core/shader/shader_jit_x64.h
@@ -19,6 +19,11 @@ namespace Pica {
namespace Shader {
+/// Memory needed to be available to compile the next shader (otherwise, clear the cache)
+constexpr size_t jit_shader_size = 1024 * 512;
+/// Memory allocated for the JIT code space cache
+constexpr size_t jit_cache_size = 1024 * 1024 * 8;
+
using CompiledShader = void(void* registers);
/**