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/**
* @file lldrawpoolalpha.h
* @brief LLDrawPoolAlpha class definition
*
* $LicenseInfo:firstyear=2002&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#ifndef LL_LLDRAWPOOLALPHA_H
#define LL_LLDRAWPOOLALPHA_H
#include "lldrawpool.h"
#include "llrender.h"
#include "llframetimer.h"
class LLFace;
class LLColor4;
class LLGLSLShader;
class LLDrawPoolAlpha: public LLRenderPass
{
public:
enum
{
VERTEX_DATA_MASK = LLVertexBuffer::MAP_VERTEX |
LLVertexBuffer::MAP_NORMAL |
LLVertexBuffer::MAP_COLOR |
LLVertexBuffer::MAP_TEXCOORD0
};
virtual U32 getVertexDataMask() { return VERTEX_DATA_MASK; }
LLDrawPoolAlpha(U32 type = LLDrawPool::POOL_ALPHA);
/*virtual*/ ~LLDrawPoolAlpha();
/*virtual*/ S32 getNumDeferredPasses();
/*virtual*/ void beginDeferredPass(S32 pass);
/*virtual*/ void endDeferredPass(S32 pass);
/*virtual*/ void renderDeferred(S32 pass);
/*virtual*/ S32 getNumPostDeferredPasses();
/*virtual*/ void beginPostDeferredPass(S32 pass);
/*virtual*/ void endPostDeferredPass(S32 pass);
/*virtual*/ void renderPostDeferred(S32 pass);
/*virtual*/ void beginRenderPass(S32 pass = 0);
/*virtual*/ void endRenderPass( S32 pass );
/*virtual*/ S32 getNumPasses() { return 1; }
virtual void render(S32 pass = 0);
/*virtual*/ void prerender();
void renderGroupAlpha(LLSpatialGroup* group, U32 type, U32 mask, BOOL texture = TRUE);
void renderAlpha(U32 mask);
void renderAlphaHighlight(U32 mask);
static BOOL sShowDebugAlpha;
private:
LLGLSLShader* current_shader;
LLGLSLShader* target_shader;
LLGLSLShader* simple_shader;
LLGLSLShader* fullbright_shader;
LLGLSLShader* emissive_shader;
// our 'normal' alpha blend function for this pass
LLRender::eBlendFactor mColorSFactor;
LLRender::eBlendFactor mColorDFactor;
LLRender::eBlendFactor mAlphaSFactor;
LLRender::eBlendFactor mAlphaDFactor;
};
class LLDrawPoolAlphaPostWater : public LLDrawPoolAlpha
{
public:
LLDrawPoolAlphaPostWater();
virtual void render(S32 pass = 0);
};
#endif // LL_LLDRAWPOOLALPHA_H
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