Initial megacommit.

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@4 8ced0084-cf51-0410-be5f-012b33b47a6e

Source/Plugins/Plugin_VideoDX9/Src/ShaderManager.cpp

@@ -0,0 +1,153 @@
+#include "D3DBase.h"
+#include "Utils.h"
+#include "Globals.h"
+#include "ShaderManager.h"
+
+PShaderCache::PSCache PShaderCache::pshaders;
+VShaderCache::VSCache VShaderCache::vshaders;
+
+void PShaderCache::Init()
+{
+
+
+}
+
+
+void PShaderCache::Shutdown()
+{
+	PSCache::iterator iter = pshaders.begin();
+	for (;iter!=pshaders.end();iter++)
+		iter->second.Destroy();
+	pshaders.clear();
+}
+
+
+void PShaderCache::SetShader()
+{
+	if (D3D::GetShaderVersion() < 2)
+		return; // we are screwed
+
+	static LPDIRECT3DPIXELSHADER9 lastShader = 0;
+    DVSTARTPROFILE();
+
+	tevhash currentHash = GetCurrentTEV();
+
+	PSCache::iterator iter;
+	iter = pshaders.find(currentHash);
+	
+	if (iter != pshaders.end())
+	{
+		iter->second.frameCount=frameCount;
+		PSCacheEntry &entry = iter->second;
+		if (!lastShader || entry.shader != lastShader)
+		{
+			D3D::dev->SetPixelShader(entry.shader);
+			lastShader = entry.shader;
+		}
+		return;
+	}
+
+	LPDIRECT3DPIXELSHADER9 shader = GeneratePixelShader();
+
+	if (shader)
+	{
+		//Make an entry in the table
+		PSCacheEntry newentry;
+		newentry.shader = shader;
+		newentry.frameCount=frameCount;
+		pshaders[currentHash] = newentry;
+	}
+
+	D3D::dev->SetPixelShader(shader);
+
+	INCSTAT(stats.numPixelShadersCreated);
+	SETSTAT(stats.numPixelShadersAlive, (int)pshaders.size());
+}
+
+void PShaderCache::Cleanup()
+{
+  PSCache::iterator iter;
+  iter = pshaders.begin();
+
+	while(iter!=pshaders.end())
+	{
+		PSCacheEntry &entry = iter->second;
+		if (entry.frameCount<frameCount-30)
+		{
+			entry.Destroy();
+			iter = pshaders.erase(iter);
+		}
+		else
+		{
+		  iter++;
+		}
+	}
+	SETSTAT(stats.numPixelShadersAlive, (int)pshaders.size());
+}
+
+
+void VShaderCache::Init()
+{
+
+
+}
+
+
+void VShaderCache::Shutdown()
+{
+	VSCache::iterator iter = vshaders.begin();
+	for (;iter!=vshaders.end();iter++)
+		iter->second.Destroy();
+	vshaders.clear();
+}
+
+
+void VShaderCache::SetShader()
+{
+	static LPDIRECT3DVERTEXSHADER9 lastShader = 0;
+	xformhash currentHash = GetCurrentXForm();
+
+	VSCache::iterator iter;
+	iter = vshaders.find(currentHash);
+
+	if (iter != vshaders.end())
+	{
+		iter->second.frameCount=frameCount;
+		VSCacheEntry &entry = iter->second;
+		if (!lastShader || entry.shader != lastShader)
+		{
+			D3D::dev->SetVertexShader(entry.shader);
+			lastShader = entry.shader;
+		}
+		return;
+	}
+
+	LPDIRECT3DVERTEXSHADER9 shader = GenerateVertexShader();
+
+	if (shader)
+	{
+		//Make an entry in the table
+		VSCacheEntry entry;
+		entry.shader = shader;
+		entry.frameCount=frameCount;
+		vshaders[currentHash] = entry;
+	}
+	D3D::dev->SetVertexShader(shader);
+
+	INCSTAT(stats.numVertexShadersCreated);
+	SETSTAT(stats.numVertexShadersAlive, (int)vshaders.size());
+}
+
+void VShaderCache::Cleanup()
+{
+	for (VSCache::iterator iter=vshaders.begin(); iter!=vshaders.end();iter++)
+	{
+		VSCacheEntry &entry = iter->second;
+		if (entry.frameCount<frameCount-30)
+		{
+			entry.Destroy();
+			iter = vshaders.erase(iter);
+		}
+	}
+	SETSTAT(stats.numPixelShadersAlive, (int)vshaders.size());
+}