ShaderGen: Pass host config to shader generation functions

Also moves the host config checks to common.

1 files changed, 75 insertions, 0 deletions

diff --git a/Source/Core/VideoCommon/ShaderGenCommon.cpp b/Source/Core/VideoCommon/ShaderGenCommon.cpp
new file mode 100644
index 0000000000..58085fdafa
--- /dev/null
+++ b/Source/Core/VideoCommon/ShaderGenCommon.cpp
@@ -0,0 +1,75 @@
+// Copyright 2017 Dolphin Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#include "VideoCommon/ShaderGenCommon.h"
+#include "Common/CommonPaths.h"
+#include "Common/FileUtil.h"
+#include "Core/ConfigManager.h"
+
+ShaderHostConfig ShaderHostConfig::GetCurrent()
+{
+  ShaderHostConfig bits = {};
+  bits.msaa = g_ActiveConfig.iMultisamples > 1;
+  bits.ssaa = g_ActiveConfig.iMultisamples > 1 && g_ActiveConfig.bSSAA &&
+              g_ActiveConfig.backend_info.bSupportsSSAA;
+  bits.stereo = g_ActiveConfig.iStereoMode > 0;
+  bits.wireframe = g_ActiveConfig.bWireFrame;
+  bits.per_pixel_lighting = g_ActiveConfig.bEnablePixelLighting;
+  bits.vertex_rounding = g_ActiveConfig.UseVertexRounding();
+  bits.fast_depth_calc = g_ActiveConfig.bFastDepthCalc;
+  bits.bounding_box = g_ActiveConfig.bBBoxEnable;
+  bits.backend_dual_source_blend = g_ActiveConfig.backend_info.bSupportsDualSourceBlend;
+  bits.backend_geometry_shaders = g_ActiveConfig.backend_info.bSupportsGeometryShaders;
+  bits.backend_early_z = g_ActiveConfig.backend_info.bSupportsEarlyZ;
+  bits.backend_bbox = g_ActiveConfig.backend_info.bSupportsBBox;
+  bits.backend_gs_instancing = g_ActiveConfig.backend_info.bSupportsGSInstancing;
+  bits.backend_clip_control = g_ActiveConfig.backend_info.bSupportsClipControl;
+  bits.backend_ssaa = g_ActiveConfig.backend_info.bSupportsSSAA;
+  bits.backend_atomics = g_ActiveConfig.backend_info.bSupportsFragmentStoresAndAtomics;
+  bits.backend_depth_clamp = g_ActiveConfig.backend_info.bSupportsDepthClamp;
+  bits.backend_reversed_depth_range = g_ActiveConfig.backend_info.bSupportsReversedDepthRange;
+  return bits;
+}
+
+std::string GetDiskShaderCacheFileName(APIType api_type, const char* type, bool include_gameid,
+                                       bool include_host_config)
+{
+  if (!File::Exists(File::GetUserPath(D_SHADERCACHE_IDX)))
+    File::CreateDir(File::GetUserPath(D_SHADERCACHE_IDX));
+
+  std::string filename = File::GetUserPath(D_SHADERCACHE_IDX);
+  switch (api_type)
+  {
+  case APIType::D3D:
+    filename += "D3D";
+    break;
+  case APIType::OpenGL:
+    filename += "OpenGL";
+    break;
+  case APIType::Vulkan:
+    filename += "Vulkan";
+    break;
+  default:
+    break;
+  }
+
+  filename += '-';
+  filename += type;
+
+  if (include_gameid)
+  {
+    filename += '-';
+    filename += SConfig::GetInstance().GetGameID();
+  }
+
+  if (include_host_config)
+  {
+    // We're using 18 bits, so 5 hex characters.
+    ShaderHostConfig host_config = ShaderHostConfig::GetCurrent();
+    filename += StringFromFormat("-%05X", host_config.bits);
+  }
+
+  filename += ".cache";
+  return filename;
+}