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Implement full occlusion queries for the Nexus 9.

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GLES3 spec is worthless and only returns a boolean result for occlusion queries. This is fine for simple cellular games but we need more than a
boolean result.
Thankfully Nvidia exposes GL_NV_occlusion_queries under a OpenGL ES extension, which allows us to get full samples rendered.
The only device this change affects is the Nexus 9, since it is an Nvidia K1 crippled to only support OpenGL ES.
No other OpenGL ES device that I know of supports this extension.
This commit is contained in:
Ryan Houdek
2015-02-21 16:58:53 -06:00
parent a5b4ac6faa
commit e9ac4d53a6
3 changed files with 232 additions and 77 deletions
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Source/Core/VideoBackends/OGL/main.cpp
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@ -199,7 +199,7 @@ void VideoBackend::Video_Prepare()
BPInit();
g_vertex_manager = new VertexManager;
g_perf_query = new PerfQuery;
g_perf_query = GetPerfQuery();
Fifo_Init(); // must be done before OpcodeDecoder_Init()
OpcodeDecoder_Init();
IndexGenerator::Init();