OGL: Implement pixel metrics (untested)

Source/Plugins/Plugin_VideoOGL/Src/PerfQuery.cpp

@@ -0,0 +1,78 @@
+#include "GLUtil.h"
+#include "PerfQuery.h"
+
+namespace OGL {
+
+u32 results[PQG_NUM_MEMBERS] = { 0 };
+GLuint query_id;
+
+PerfQueryGroup active_query;
+
+PerfQuery::PerfQuery()
+{
+	glGenQueries(1, &query_id);
+}
+
+PerfQuery::~PerfQuery()
+{
+	glDeleteQueries(1, &query_id);
+}
+
+void PerfQuery::EnableQuery(PerfQueryGroup type)
+{
+	// start query
+	if (type == PQG_ZCOMP_ZCOMPLOC || type == PQG_ZCOMP)
+	{
+		glBeginQuery(GL_SAMPLES_PASSED, query_id);
+	}
+	active_query = type;
+}
+
+void PerfQuery::DisableQuery(PerfQueryGroup type)
+{
+	// stop query
+	if (type == PQG_ZCOMP_ZCOMPLOC || type == PQG_ZCOMP)
+	{
+		glEndQuery(GL_SAMPLES_PASSED);
+
+		GLuint query_result = GL_FALSE;
+		while (query_result != GL_TRUE)
+		{
+			glGetQueryObjectuiv(query_id, GL_QUERY_RESULT_AVAILABLE, &query_result);
+		}
+
+		glGetQueryObjectuiv(query_id, GL_QUERY_RESULT, &query_result);
+
+		results[active_query] += query_result;
+	}
+}
+
+void PerfQuery::ResetQuery()
+{
+	memset(results, 0, sizeof(results));
+}
+
+u32 PerfQuery::GetQueryResult(PerfQueryType type)
+{
+	if (type == PQ_ZCOMP_INPUT_ZCOMPLOC || type == PQ_ZCOMP_OUTPUT_ZCOMPLOC || type == PQ_BLEND_INPUT)
+	{
+
+	}
+	if (type == PQ_ZCOMP_INPUT || type == PQ_ZCOMP_OUTPUT || type == PQ_BLEND_INPUT)
+	{
+
+	}
+	if (type == PQ_BLEND_INPUT)
+	{
+		results[PQ_BLEND_INPUT] = results[PQ_ZCOMP_OUTPUT] + results[PQ_ZCOMP_OUTPUT_ZCOMPLOC];
+	}
+
+	if (type == PQ_EFB_COPY_CLOCKS)
+	{
+		// TODO
+	}
+
+	return results[type];
+}
+
+} // namespace

Source/Plugins/Plugin_VideoOGL/Src/PerfQuery.h

@@ -0,0 +1,22 @@
+#ifndef _PERFQUERY_H_
+#define _PERFQUERY_H_
+
+#include "PerfQueryBase.h"
+
+namespace OGL {
+
+class PerfQuery : public PerfQueryBase
+{
+public:
+	PerfQuery();
+	~PerfQuery();
+
+	void EnableQuery(PerfQueryGroup type);
+	void DisableQuery(PerfQueryGroup type);
+	void ResetQuery();
+	u32 GetQueryResult(PerfQueryType type);
+};
+
+} // namespace
+
+#endif // _PERFQUERY_H_

Source/Plugins/Plugin_VideoOGL/Src/VertexManager.cpp

@@ -40,6 +40,7 @@
 #include "OpcodeDecoding.h"
 #include "FileUtil.h"
 #include "Debugger.h"
+#include "PerfQueryBase.h"
 
 #include "main.h"
 
@@ -207,7 +208,10 @@ void VertexManager::vFlush()
 	if (ps) PixelShaderCache::SetCurrentShader(ps->glprogid); // Lego Star Wars crashes here.
 	if (vs) VertexShaderCache::SetCurrentShader(vs->glprogid);
 
+	g_perf_query->EnableQuery(bpmem.zcontrol.zcomploc ? PQG_ZCOMP_ZCOMPLOC : PQG_ZCOMP);
 	Draw();
+	g_perf_query->DisableQuery(bpmem.zcontrol.zcomploc ? PQG_ZCOMP_ZCOMPLOC : PQG_ZCOMP);
+	ERROR_LOG(VIDEO, "PerfQuery result: %d", g_perf_query->GetQueryResult(bpmem.zcontrol.zcomploc ? PQ_ZCOMP_OUTPUT_ZCOMPLOC : PQ_ZCOMP_OUTPUT));
 
 	// run through vertex groups again to set alpha
 	if (useDstAlpha && !dualSourcePossible)

Source/Plugins/Plugin_VideoOGL/Src/main.cpp

@@ -93,6 +93,7 @@ Make AA apply instantly during gameplay if possible
 #include "FramebufferManager.h"
 #include "Core.h"
 #include "Host.h"
+#include "PerfQuery.h"
 
 #include "VideoState.h"
 #include "VideoBackend.h"
@@ -194,6 +195,7 @@ void VideoBackend::Video_Prepare()
 
 	BPInit();
 	g_vertex_manager = new VertexManager;
+	g_perf_query = new PerfQuery;
 	Fifo_Init(); // must be done before OpcodeDecoder_Init()
 	OpcodeDecoder_Init();
 	VertexShaderCache::Init();