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Add OpenGL support.

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This commit is contained in:
LuisAntonRebollo 2014-11-08 17:41:17 +01:00
parent c354f59b72
commit dd08fd2e7d
55 changed files with 2957 additions and 802 deletions
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12
Engine/source/gfx/gl/gfxGLOcclusionQuery.cpp
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@ -22,12 +22,12 @@
#include "platform/platform.h"
#include "gfx/gl/gfxGLOcclusionQuery.h"
#include "gfx/gl/ggl/ggl.h"
#include "gfx/gl/tGL/tGL.h"
GFXGLOcclusionQuery::GFXGLOcclusionQuery(GFXDevice* device) :
GFXOcclusionQuery(device), mQuery(0)
GFXOcclusionQuery(device), mQuery(-1)
{
glGenQueries(1, &mQuery);
}
GFXGLOcclusionQuery::~GFXGLOcclusionQuery()
@ -37,6 +37,9 @@ GFXGLOcclusionQuery::~GFXGLOcclusionQuery()
bool GFXGLOcclusionQuery::begin()
{
if(mQuery == -1)
glGenQueries(1, &mQuery);
glBeginQuery(GL_SAMPLES_PASSED, mQuery);
return true;
}
@ -51,6 +54,9 @@ GFXOcclusionQuery::OcclusionQueryStatus GFXGLOcclusionQuery::getStatus(bool bloc
// If this ever shows up near the top of a profile
// then your system is GPU bound.
PROFILE_SCOPE(GFXGLOcclusionQuery_getStatus);
if(mQuery == -1)
return NotOccluded;
GLint numPixels = 0;
GLint queryDone = false;