CustomFilterProgramInfo.h [plain text]
#ifndef CustomFilterProgramInfo_h
#define CustomFilterProgramInfo_h
#if ENABLE(CSS_SHADERS)
#include "CustomFilterConstants.h"
#include "GraphicsTypes.h"
#include <wtf/HashTraits.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
struct CustomFilterProgramMixSettings {
CustomFilterProgramMixSettings()
: blendMode(BlendModeNormal)
, compositeOperator(CompositeSourceAtop)
{
}
bool operator==(const CustomFilterProgramMixSettings& o) const
{
return blendMode == o.blendMode && compositeOperator == o.compositeOperator;
}
BlendMode blendMode;
CompositeOperator compositeOperator;
};
class CustomFilterProgramInfo {
public:
CustomFilterProgramInfo(const String&, const String&, CustomFilterProgramType, const CustomFilterProgramMixSettings&, CustomFilterMeshType);
CustomFilterProgramInfo();
bool isEmptyValue() const;
CustomFilterProgramInfo(WTF::HashTableDeletedValueType);
bool isHashTableDeletedValue() const;
unsigned hash() const;
bool operator==(const CustomFilterProgramInfo&) const;
const String& vertexShaderString() const { return m_vertexShaderString; }
const String& fragmentShaderString() const { return m_fragmentShaderString; }
CustomFilterProgramType programType() const { return m_programType; }
const CustomFilterProgramMixSettings& mixSettings() const { return m_mixSettings; }
CustomFilterMeshType meshType() const { return m_meshType; }
private:
String m_vertexShaderString;
String m_fragmentShaderString;
CustomFilterProgramType m_programType;
CustomFilterProgramMixSettings m_mixSettings;
CustomFilterMeshType m_meshType;
};
struct CustomFilterProgramInfoHash {
static unsigned hash(const CustomFilterProgramInfo& programInfo) { return programInfo.hash(); }
static bool equal(const CustomFilterProgramInfo& a, const CustomFilterProgramInfo& b) { return a == b; }
static const bool safeToCompareToEmptyOrDeleted = false;
};
struct CustomFilterProgramInfoHashTraits : WTF::SimpleClassHashTraits<CustomFilterProgramInfo> {
static const bool hasIsEmptyValueFunction = true;
static bool isEmptyValue(const CustomFilterProgramInfo& info) { return info.isEmptyValue(); }
};
}
namespace WTF {
template<> struct HashTraits<WebCore::CustomFilterProgramInfo> : WebCore::CustomFilterProgramInfoHashTraits { };
template<> struct DefaultHash<WebCore::CustomFilterProgramInfo> {
typedef WebCore::CustomFilterProgramInfoHash Hash;
};
}
#endif // ENABLE(CSS_SHADERS)
#endif // CustomFilterProgramInfo_h