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deprecated-irrlicht-mac
Commit 995f2bd7 authored by nadro's avatar nadro
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- Minor fixes in blend operation mechanism. 

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@4783 dfc29bdd-3216-0410-991c-e03cc46cb475
parent 9c3e0d6b
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Showing with 74 additions and 82 deletions
source/Irrlicht/COpenGLDriver.cpp
View file @ 995f2bd7
......@@ -637,8 +637,7 @@ COpenGLDriver::~COpenGLDriver()
cgDestroyContext(CgContext);
#endif
if (BridgeCalls)
delete BridgeCalls;
delete BridgeCalls;
RequestedLights.clear();
......@@ -3095,110 +3094,102 @@ void COpenGLDriver::setBasicRenderStates(const SMaterial& material, const SMater
(material.ColorMask & ECP_ALPHA)?GL_TRUE:GL_FALSE);
}
if (queryFeature(EVDF_BLEND_OPERATIONS) &&
(resetAllRenderStates|| lastmaterial.BlendOperation != material.BlendOperation))
// Blend Equation
if (resetAllRenderStates|| lastmaterial.BlendOperation != material.BlendOperation)
{
if (material.BlendOperation==EBO_NONE)
BridgeCalls->setBlend(false);
else
{
BridgeCalls->setBlend(true);
#if defined(GL_EXT_blend_subtract) || defined(GL_EXT_blend_minmax) || defined(GL_EXT_blend_logic_op) || defined(GL_VERSION_1_2)
switch (material.BlendOperation)
#if defined(GL_EXT_blend_subtract) || defined(GL_EXT_blend_minmax) || defined(GL_EXT_blend_logic_op) || defined(GL_VERSION_1_4)
if (queryFeature(EVDF_BLEND_OPERATIONS))
{
case EBO_SUBTRACT:
#if defined(GL_EXT_blend_subtract)
if (FeatureAvailable[IRR_EXT_blend_subtract] || (Version>=120))
BridgeCalls->setBlendEquation(GL_FUNC_SUBTRACT_EXT);
#elif defined(GL_VERSION_1_2)
if (Version>=120)
switch (material.BlendOperation)
{
case EBO_SUBTRACT:
#if defined(GL_VERSION_1_4)
BridgeCalls->setBlendEquation(GL_FUNC_SUBTRACT);
#elif defined(GL_EXT_blend_subtract)
BridgeCalls->setBlendEquation(GL_FUNC_SUBTRACT_EXT);
#endif
break;
case EBO_REVSUBTRACT:
#if defined(GL_EXT_blend_subtract)
if (FeatureAvailable[IRR_EXT_blend_subtract] || (Version>=120))
BridgeCalls->setBlendEquation(GL_FUNC_REVERSE_SUBTRACT_EXT);
#elif defined(GL_VERSION_1_2)
if (Version>=120)
break;
case EBO_REVSUBTRACT:
#if defined(GL_VERSION_1_4)
BridgeCalls->setBlendEquation(GL_FUNC_REVERSE_SUBTRACT);
#elif defined(GL_EXT_blend_subtract)
BridgeCalls->setBlendEquation(GL_FUNC_REVERSE_SUBTRACT_EXT);
#endif
break;
case EBO_MIN:
#if defined(GL_EXT_blend_minmax)
if (FeatureAvailable[IRR_EXT_blend_minmax] || (Version>=120))
BridgeCalls->setBlendEquation(GL_MIN_EXT);
#elif defined(GL_VERSION_1_2)
if (Version>=120)
break;
case EBO_MIN:
#if defined(GL_VERSION_1_4)
BridgeCalls->setBlendEquation(GL_MIN);
#elif defined(GL_EXT_blend_minmax)
BridgeCalls->setBlendEquation(GL_MIN_EXT);
#endif
break;
case EBO_MAX:
#if defined(GL_EXT_blend_minmax)
if (FeatureAvailable[IRR_EXT_blend_minmax] || (Version>=120))
BridgeCalls->setBlendEquation(GL_MAX_EXT);
#elif defined(GL_VERSION_1_2)
if (Version>=120)
break;
case EBO_MAX:
#if defined(GL_VERSION_1_4)
BridgeCalls->setBlendEquation(GL_MAX);
#elif defined(GL_EXT_blend_minmax)
BridgeCalls->setBlendEquation(GL_MAX_EXT);
#endif
break;
case EBO_MIN_FACTOR:
break;
case EBO_MIN_FACTOR:
#if defined(GL_AMD_blend_minmax_factor)
if (FeatureAvailable[IRR_AMD_blend_minmax_factor])
BridgeCalls->setBlendEquation(GL_FACTOR_MIN_AMD);
if (FeatureAvailable[IRR_AMD_blend_minmax_factor])
BridgeCalls->setBlendEquation(GL_FACTOR_MIN_AMD);
#endif
// fallback in case of missing extension
#if defined(GL_VERSION_1_2)
#if defined(GL_VERSION_1_4)
#if defined(GL_AMD_blend_minmax_factor)
else
else
#endif
if (Version>=120)
BridgeCalls->setBlendEquation(GL_MIN);
BridgeCalls->setBlendEquation(GL_MIN);
#endif
break;
case EBO_MAX_FACTOR:
break;
case EBO_MAX_FACTOR:
#if defined(GL_AMD_blend_minmax_factor)
if (FeatureAvailable[IRR_AMD_blend_minmax_factor])
BridgeCalls->setBlendEquation(GL_FACTOR_MAX_AMD);
if (FeatureAvailable[IRR_AMD_blend_minmax_factor])
BridgeCalls->setBlendEquation(GL_FACTOR_MAX_AMD);
#endif
// fallback in case of missing extension
#if defined(GL_VERSION_1_2)
#if defined(GL_VERSION_1_4)
#if defined(GL_AMD_blend_minmax_factor)
else
else
#endif
if (Version>=120)
BridgeCalls->setBlendEquation(GL_MAX);
BridgeCalls->setBlendEquation(GL_MAX);
#endif
break;
case EBO_MIN_ALPHA:
break;
case EBO_MIN_ALPHA:
#if defined(GL_SGIX_blend_alpha_minmax)
if (FeatureAvailable[IRR_SGIX_blend_alpha_minmax])
BridgeCalls->setBlendEquation(GL_ALPHA_MIN_SGIX);
// fallback in case of missing extension
else
if (FeatureAvailable[IRR_EXT_blend_minmax])
BridgeCalls->setBlendEquation(GL_MIN_EXT);
if (FeatureAvailable[IRR_SGIX_blend_alpha_minmax])
BridgeCalls->setBlendEquation(GL_ALPHA_MIN_SGIX);
// fallback in case of missing extension
else
if (FeatureAvailable[IRR_EXT_blend_minmax])
BridgeCalls->setBlendEquation(GL_MIN_EXT);
#endif
break;
case EBO_MAX_ALPHA:
break;
case EBO_MAX_ALPHA:
#if defined(GL_SGIX_blend_alpha_minmax)
if (FeatureAvailable[IRR_SGIX_blend_alpha_minmax])
BridgeCalls->setBlendEquation(GL_ALPHA_MAX_SGIX);
// fallback in case of missing extension
else
if (FeatureAvailable[IRR_EXT_blend_minmax])
BridgeCalls->setBlendEquation(GL_MAX_EXT);
if (FeatureAvailable[IRR_SGIX_blend_alpha_minmax])
BridgeCalls->setBlendEquation(GL_ALPHA_MAX_SGIX);
// fallback in case of missing extension
else
if (FeatureAvailable[IRR_EXT_blend_minmax])
BridgeCalls->setBlendEquation(GL_MAX_EXT);
#endif
break;
default:
#if defined(GL_EXT_blend_subtract) || defined(GL_EXT_blend_minmax) || defined(GL_EXT_blend_logic_op)
if (Version>=120)
BridgeCalls->setBlendEquation(GL_FUNC_ADD_EXT);
#elif defined(GL_VERSION_1_2)
if (Version>=120)
break;
default:
#if defined(GL_VERSION_1_4)
BridgeCalls->setBlendEquation(GL_FUNC_ADD);
#elif defined(GL_EXT_blend_subtract) || defined(GL_EXT_blend_minmax) || defined(GL_EXT_blend_logic_op)
BridgeCalls->setBlendEquation(GL_FUNC_ADD_EXT);
#endif
break;
break;
}
}
#endif
}
......@@ -5060,10 +5051,10 @@ COpenGLCallBridge::COpenGLCallBridge(COpenGLDriver* driver) : Driver(driver),
for (u32 i = 0; i < BlendIndexCount; ++i)
{
#if defined(GL_EXT_blend_subtract) || defined(GL_EXT_blend_minmax) || defined(GL_EXT_blend_logic_op)
BlendEquation[i] = GL_FUNC_ADD_EXT;
#elif defined(GL_VERSION_1_2)
#if defined(GL_VERSION_1_4)
BlendEquation[i] = GL_FUNC_ADD;
#elif defined(GL_EXT_blend_subtract) || defined(GL_EXT_blend_minmax) || defined(GL_EXT_blend_logic_op)
BlendEquation[i] = GL_FUNC_ADD_EXT;
#endif
BlendSource[i] = GL_ONE;
......@@ -5083,13 +5074,14 @@ COpenGLCallBridge::COpenGLCallBridge(COpenGLDriver* driver) : Driver(driver),
glAlphaFunc(GL_ALWAYS, 0.0f);
glDisable(GL_ALPHA_TEST);
#if defined(GL_EXT_blend_subtract) || defined(GL_EXT_blend_minmax) || defined(GL_EXT_blend_logic_op)
if (Driver->Version >= 120)
Driver->extGlBlendEquation(GL_FUNC_ADD_EXT);
#elif defined(GL_VERSION_1_2)
if (Driver->Version >= 120)
if (Driver->queryFeature(EVDF_BLEND_OPERATIONS))
{
#if defined(GL_VERSION_1_4)
Driver->extGlBlendEquation(GL_FUNC_ADD);
#elif defined(GL_EXT_blend_subtract) || defined(GL_EXT_blend_minmax) || defined(GL_EXT_blend_logic_op)
Driver->extGlBlendEquation(GL_FUNC_ADD_EXT);
#endif
}
glBlendFunc(GL_ONE, GL_ZERO);
glDisable(GL_BLEND);
......
source/Irrlicht/COpenGLExtensionHandler.cpp
View file @ 995f2bd7
......@@ -785,7 +785,7 @@ bool COpenGLExtensionHandler::queryFeature(E_VIDEO_DRIVER_FEATURE feature) const
// both features supported with OpenGL 1.1
return Version>=110;
case EVDF_BLEND_OPERATIONS:
return (Version>=120) || FeatureAvailable[IRR_EXT_blend_minmax] ||
return (Version>=140) || FeatureAvailable[IRR_EXT_blend_minmax] ||
FeatureAvailable[IRR_EXT_blend_subtract] || FeatureAvailable[IRR_EXT_blend_logic_op];
case EVDF_TEXTURE_MATRIX:
return true;
......
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