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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 final: public LLRenderPass
{
public:
// set by llsettingsvo so lldrawpoolalpha has quick access to the water plane in eye space
static LLVector4 sWaterPlane;
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);
/*virtual*/ ~LLDrawPoolAlpha();
/*virtual*/ S32 getNumPostDeferredPasses();
/*virtual*/ void renderPostDeferred(S32 pass);
/*virtual*/ S32 getNumPasses() { return 1; }
void forwardRender(bool write_depth = false);
/*virtual*/ void prerender();
void renderDebugAlpha();
void renderGroupAlpha(LLSpatialGroup* group, U32 type, U32 mask, BOOL texture = TRUE);
void renderAlpha(U32 mask, bool depth_only = false, bool rigged = false);
void renderAlphaHighlight(U32 mask);
bool uploadMatrixPalette(const LLDrawInfo& params);
static BOOL sShowDebugAlpha;
private:
LLGLSLShader* target_shader;
// setup by beginFooPass, [0] is static variant, [1] is rigged variant
LLGLSLShader* simple_shader = nullptr;
LLGLSLShader* fullbright_shader = nullptr;
LLGLSLShader* emissive_shader = nullptr;
void drawEmissive(U32 mask, LLDrawInfo* draw);
void renderEmissives(U32 mask, std::vector<LLDrawInfo*>& emissives);
void renderRiggedEmissives(U32 mask, std::vector<LLDrawInfo*>& emissives);
bool TexSetup(LLDrawInfo* draw, bool use_material);
void RestoreTexSetup(bool tex_setup);
// our 'normal' alpha blend function for this pass
LLRender::eBlendFactor mColorSFactor;
LLRender::eBlendFactor mColorDFactor;
LLRender::eBlendFactor mAlphaSFactor;
LLRender::eBlendFactor mAlphaDFactor;
// if true, we're executing a rigged render pass
bool mRigged = false;
};
#endif // LL_LLDRAWPOOLALPHA_H
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