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/* Copyright (C) 2015 Wildfire Games.
* This file is part of 0 A.D.
*
* 0 A.D. is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* 0 A.D. 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef INCLUDED_GUIRENDERER
#define INCLUDED_GUIRENDERER
#include "graphics/ShaderTechnique.h"
#include "graphics/Texture.h"
#include "lib/res/handle.h"
#include "ps/CStr.h"
#include "ps/Shapes.h"
#include <vector>
struct SGUIImageEffects;
struct SGUIImage;
namespace GUIRenderer
{
class IGLState
{
public:
virtual ~IGLState() {};
virtual void Set(const CTexturePtr& tex) = 0;
virtual void Unset() = 0;
};
struct SDrawCall
{
SDrawCall(const SGUIImage* image) : m_Image(image) {}
CRect ComputeTexCoords() const;
const SGUIImage* m_Image;
bool m_HasTexture;
CTexturePtr m_Texture;
CRect m_ObjectSize;
int m_CellID;
bool m_EnableBlending;
CShaderTechniquePtr m_Shader;
CColor m_ShaderColorParameter;
CRect m_Vertices;
float m_DeltaZ;
CColor m_BorderColor; // == CColor() for no border
CColor m_BackColor;
};
class DrawCalls : public std::vector<SDrawCall>
{
public:
DrawCalls();
// Copy/assignment results in an empty list, not an actual copy
DrawCalls(const DrawCalls&);
DrawCalls& operator=(const DrawCalls&);
};
}
#include "gui/CGUISprite.h"
namespace GUIRenderer
{
void UpdateDrawCallCache(DrawCalls& Calls, const CStr& SpriteName, const CRect& Size, int CellID, std::map<CStr, CGUISprite*>& Sprites);
void Draw(DrawCalls& Calls, float Z);
}
#endif // INCLUDED_GUIRENDERER
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