Fix def files so that the implementation agnostic interface definition has no non-standards defined entry points, and change the eglrefimpl specific implementation to place its private entry points high up in the ordinal order space in the implementation region, not the standards based entrypoints region.
#ifndef __RIIMAGE_H
#define __RIIMAGE_H
/*------------------------------------------------------------------------
*
* OpenVG 1.1 Reference Implementation
* -----------------------------------
*
* Copyright (c) 2007 The Khronos Group Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and /or associated documentation files
* (the "Materials "), to deal in the Materials without restriction,
* including without limitation the rights to use, copy, modify, merge,
* publish, distribute, sublicense, and/or sell copies of the Materials,
* and to permit persons to whom the Materials are furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Materials.
*
* THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE MATERIALS OR
* THE USE OR OTHER DEALINGS IN THE MATERIALS.
*
*//**
* \file
* \brief Color and Image classes.
* \note
*//*-------------------------------------------------------------------*/
#ifndef OPENVG_H
#include "openvg.h"
#endif
#ifndef __RIMATH_H
#include "riMath.h"
#endif
#ifndef __RIARRAY_H
#include "riArray.h"
#endif
//==============================================================================================
namespace OpenVGRI
{
/*-------------------------------------------------------------------*//*!
* \brief A class representing rectangles.
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
class Rectangle
{
public:
Rectangle() : x(0), y(0), width(0), height(0) {}
Rectangle(int rx, int ry, int rw, int rh) : x(rx), y(ry), width(rw), height(rh) {}
void intersect(const Rectangle& r)
{
if(width >= 0 && r.width >= 0 && height >= 0 && r.height >= 0)
{
int x1 = RI_INT_MIN(RI_INT_ADDSATURATE(x, width), RI_INT_ADDSATURATE(r.x, r.width));
x = RI_INT_MAX(x, r.x);
width = RI_INT_MAX(x1 - x, 0);
int y1 = RI_INT_MIN(RI_INT_ADDSATURATE(y, height), RI_INT_ADDSATURATE(r.y, r.height));
y = RI_INT_MAX(y, r.y);
height = RI_INT_MAX(y1 - y, 0);
}
else
{
x = 0;
y = 0;
width = 0;
height = 0;
}
}
int x;
int y;
int width;
int height;
};
/*-------------------------------------------------------------------*//*!
* \brief A class representing color for processing and converting it
* to and from various surface formats.
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
class Color
{
public:
enum InternalFormat
{
lRGBA = 0,
sRGBA = 1,
lRGBA_PRE = 2,
sRGBA_PRE = 3,
lLA = 4,
sLA = 5,
lLA_PRE = 6,
sLA_PRE = 7
};
enum FormatBits
{
NONLINEAR = (1<<0),
PREMULTIPLIED = (1<<1),
LUMINANCE = (1<<2)
};
class Descriptor
{
public:
bool isNonlinear() const { return (internalFormat & NONLINEAR) ? true : false; }
bool isPremultiplied() const { return (internalFormat & PREMULTIPLIED) ? true : false; }
bool isLuminance() const { return (internalFormat & LUMINANCE) ? true : false; }
bool isAlphaOnly() const { return (alphaBits && (redBits+greenBits+blueBits+luminanceBits) == 0) ? true : false; }
int redBits;
int redShift;
int greenBits;
int greenShift;
int blueBits;
int blueShift;
int alphaBits;
int alphaShift;
int luminanceBits;
int luminanceShift;
VGImageFormat format;
InternalFormat internalFormat;
int bitsPerPixel;
};
RI_INLINE Color() : r(0.0f), g(0.0f), b(0.0f), a(0.0f), m_format(lRGBA) {}
RI_INLINE Color(RIfloat cl, RIfloat ca, InternalFormat cs) : r(cl), g(cl), b(cl), a(ca), m_format(cs) { RI_ASSERT(cs == lLA || cs == sLA || cs == lLA_PRE || cs == sLA_PRE); }
RI_INLINE Color(RIfloat cr, RIfloat cg, RIfloat cb, RIfloat ca, InternalFormat cs) : r(cr), g(cg), b(cb), a(ca), m_format(cs) { RI_ASSERT(cs == lRGBA || cs == sRGBA || cs == lRGBA_PRE || cs == sRGBA_PRE || cs == lLA || cs == sLA || cs == lLA_PRE || cs == sLA_PRE); }
RI_INLINE Color(const Color& c) : r(c.r), g(c.g), b(c.b), a(c.a), m_format(c.m_format) {}
RI_INLINE Color& operator=(const Color&c) { r = c.r; g = c.g; b = c.b; a = c.a; m_format = c.m_format; return *this; }
RI_INLINE void operator*=(RIfloat f) { r *= f; g *= f; b *= f; a*= f; }
RI_INLINE void operator+=(const Color& c1) { RI_ASSERT(m_format == c1.getInternalFormat()); r += c1.r; g += c1.g; b += c1.b; a += c1.a; }
RI_INLINE void operator-=(const Color& c1) { RI_ASSERT(m_format == c1.getInternalFormat()); r -= c1.r; g -= c1.g; b -= c1.b; a -= c1.a; }
void set(RIfloat cl, RIfloat ca, InternalFormat cs) { RI_ASSERT(cs == lLA || cs == sLA || cs == lLA_PRE || cs == sLA_PRE); r = cl; g = cl; b = cl; a = ca; m_format = cs; }
void set(RIfloat cr, RIfloat cg, RIfloat cb, RIfloat ca, InternalFormat cs) { RI_ASSERT(cs == lRGBA || cs == sRGBA || cs == lRGBA_PRE || cs == sRGBA_PRE); r = cr; g = cg; b = cb; a = ca; m_format = cs; }
void unpack(unsigned int inputData, const Descriptor& inputDesc);
unsigned int pack(const Descriptor& outputDesc) const;
RI_INLINE InternalFormat getInternalFormat() const { return m_format; }
//clamps nonpremultiplied colors and alpha to [0,1] range, and premultiplied alpha to [0,1], colors to [0,a]
void clamp() { a = RI_CLAMP(a,0.0f,1.0f); RIfloat u = (m_format & PREMULTIPLIED) ? a : (RIfloat)1.0f; r = RI_CLAMP(r,0.0f,u); g = RI_CLAMP(g,0.0f,u); b = RI_CLAMP(b,0.0f,u); }
void convert(InternalFormat outputFormat);
void premultiply() { if(!(m_format & PREMULTIPLIED)) { r *= a; g *= a; b *= a; m_format = (InternalFormat)(m_format | PREMULTIPLIED); } }
void unpremultiply() { if(m_format & PREMULTIPLIED) { RIfloat ooa = (a != 0.0f) ? 1.0f/a : (RIfloat)0.0f; r *= ooa; g *= ooa; b *= ooa; m_format = (InternalFormat)(m_format & ~PREMULTIPLIED); } }
void luminanceToRGB() { if(m_format & LUMINANCE) { RI_ASSERT(r == g && g == b); m_format = (InternalFormat)(m_format & ~LUMINANCE); } }
bool isNonlinear() const { return (m_format & NONLINEAR) ? true : false; }
bool isPremultiplied() const { return (m_format & PREMULTIPLIED) ? true : false; }
bool isLuminance() const { return (m_format & LUMINANCE) ? true : false; }
RI_INLINE void assertConsistency() const;
static Descriptor formatToDescriptor(VGImageFormat format);
static bool isValidDescriptor(const Descriptor& desc);
RIfloat r;
RIfloat g;
RIfloat b;
RIfloat a;
private:
InternalFormat m_format;
};
RI_INLINE Color operator*(const Color& c, RIfloat f) { return Color(c.r*f, c.g*f, c.b*f, c.a*f, c.getInternalFormat()); }
RI_INLINE Color operator*(RIfloat f, const Color& c) { return Color(c.r*f, c.g*f, c.b*f, c.a*f, c.getInternalFormat()); }
RI_INLINE Color operator+(const Color& c0, const Color& c1) { RI_ASSERT(c0.getInternalFormat() == c1.getInternalFormat()); return Color(c0.r+c1.r, c0.g+c1.g, c0.b+c1.b, c0.a+c1.a, c0.getInternalFormat()); }
RI_INLINE Color operator-(const Color& c0, const Color& c1) { RI_ASSERT(c0.getInternalFormat() == c1.getInternalFormat()); return Color(c0.r-c1.r, c0.g-c1.g, c0.b-c1.b, c0.a-c1.a, c0.getInternalFormat()); }
RI_INLINE void Color::assertConsistency() const
{
RI_ASSERT(r >= 0.0f && r <= 1.0f);
RI_ASSERT(g >= 0.0f && g <= 1.0f);
RI_ASSERT(b >= 0.0f && b <= 1.0f);
RI_ASSERT(a >= 0.0f && a <= 1.0f);
RI_ASSERT(!isPremultiplied() || (r <= a && g <= a && b <= a)); //premultiplied colors must have color channels less than or equal to alpha
RI_ASSERT((isLuminance() && r == g && r == b) || !isLuminance()); //if luminance, r=g=b
}
//==============================================================================================
/*-------------------------------------------------------------------*//*!
* \brief Storage and operations for VGImage.
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
class Surface;
class Image
{
public:
Image(const Color::Descriptor& desc, int width, int height, VGbitfield allowedQuality); //throws bad_alloc
//use data from a memory buffer. NOTE: data is not copied, so it is user's responsibility to make sure the data remains valid while the Image is in use.
Image(const Color::Descriptor& desc, int width, int height, int stride, RIuint8* data); //throws bad_alloc
//child image constructor
Image(Image* parent, int x, int y, int width, int height); //throws bad_alloc
~Image();
const Color::Descriptor& getDescriptor() const { return m_desc; }
int getWidth() const { return m_width; }
int getHeight() const { return m_height; }
int getStride() const { return m_stride; }
Image* getParent() const { return m_parent; }
VGbitfield getAllowedQuality() const { return m_allowedQuality; }
void addInUse() { m_inUse++; }
void removeInUse() { RI_ASSERT(m_inUse > 0); m_inUse--; }
int isInUse() const { return m_inUse; }
RIuint8* getData() const { return m_data; }
void addReference() { m_referenceCount++; }
int removeReference() { m_referenceCount--; RI_ASSERT(m_referenceCount >= 0); return m_referenceCount; }
bool overlaps(const Image* src) const;
void clear(const Color& clearColor, int x, int y, int w, int h);
void blit(const Image& src, int sx, int sy, int dx, int dy, int w, int h, bool dither); //throws bad_alloc
void blit(const Surface* src, int sx, int sy, int dx, int dy, int w, int h); //throws bad_alloc
Color readPixel(int x, int y) const;
void writePixel(int x, int y, const Color& c);
void writeFilteredPixel(int x, int y, const Color& c, VGbitfield channelMask);
RIfloat readMaskPixel(int x, int y) const; //can read any image format
void writeMaskPixel(int x, int y, RIfloat m); //can write only to VG_A_x
Color resample(RIfloat x, RIfloat y, const Matrix3x3& surfaceToImage, VGImageQuality quality, VGTilingMode tilingMode, const Color& tileFillColor); //throws bad_alloc
void makeMipMaps(); //throws bad_alloc
void colorMatrix(const Image& src, const RIfloat* matrix, bool filterFormatLinear, bool filterFormatPremultiplied, VGbitfield channelMask);
void convolve(const Image& src, int kernelWidth, int kernelHeight, int shiftX, int shiftY, const RIint16* kernel, RIfloat scale, RIfloat bias, VGTilingMode tilingMode, const Color& edgeFillColor, bool filterFormatLinear, bool filterFormatPremultiplied, VGbitfield channelMask);
void separableConvolve(const Image& src, int kernelWidth, int kernelHeight, int shiftX, int shiftY, const RIint16* kernelX, const RIint16* kernelY, RIfloat scale, RIfloat bias, VGTilingMode tilingMode, const Color& edgeFillColor, bool filterFormatLinear, bool filterFormatPremultiplied, VGbitfield channelMask);
void gaussianBlur(const Image& src, RIfloat stdDeviationX, RIfloat stdDeviationY, VGTilingMode tilingMode, const Color& edgeFillColor, bool filterFormatLinear, bool filterFormatPremultiplied, VGbitfield channelMask);
void lookup(const Image& src, const RIuint8 * redLUT, const RIuint8 * greenLUT, const RIuint8 * blueLUT, const RIuint8 * alphaLUT, bool outputLinear, bool outputPremultiplied, bool filterFormatLinear, bool filterFormatPremultiplied, VGbitfield channelMask);
void lookupSingle(const Image& src, const RIuint32 * lookupTable, VGImageChannel sourceChannel, bool outputLinear, bool outputPremultiplied, bool filterFormatLinear, bool filterFormatPremultiplied, VGbitfield channelMask);
private:
Image(const Image&); //!< Not allowed.
void operator=(const Image&); //!< Not allowed.
Color readTexel(int u, int v, int level, VGTilingMode tilingMode, const Color& tileFillColor) const;
Color::Descriptor m_desc;
int m_width;
int m_height;
VGbitfield m_allowedQuality;
int m_inUse;
int m_stride;
RIuint8* m_data;
int m_referenceCount;
bool m_ownsData;
Image* m_parent;
int m_storageOffsetX;
int m_storageOffsetY;
bool m_mipmapsValid;
Array<Image*> m_mipmaps;
};
/*-------------------------------------------------------------------*//*!
* \brief Surface class abstracting multisampled rendering surface.
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
class Surface
{
public:
Surface(const Color::Descriptor& desc, int width, int height, int numSamples); //throws bad_alloc
Surface(Image* image); //throws bad_alloc
Surface(const Color::Descriptor& desc, int width, int height, int stride, RIuint8* data); //throws bad_alloc
~Surface();
RI_INLINE const Color::Descriptor& getDescriptor() const { return m_image->getDescriptor(); }
RI_INLINE int getWidth() const { return m_width; }
RI_INLINE int getHeight() const { return m_height; }
RI_INLINE int getNumSamples() const { return m_numSamples; }
RI_INLINE void addReference() { m_referenceCount++; }
RI_INLINE int removeReference() { m_referenceCount--; RI_ASSERT(m_referenceCount >= 0); return m_referenceCount; }
RI_INLINE int isInUse() const { return m_image->isInUse(); }
RI_INLINE bool isInUse(Image* image) const { return image == m_image ? true : false; }
void clear(const Color& clearColor, int x, int y, int w, int h);
void clear(const Color& clearColor, int x, int y, int w, int h, const Array<Rectangle>& scissors);
void blit(const Image& src, int sx, int sy, int dx, int dy, int w, int h); //throws bad_alloc
void blit(const Image& src, int sx, int sy, int dx, int dy, int w, int h, const Array<Rectangle>& scissors); //throws bad_alloc
void blit(const Surface* src, int sx, int sy, int dx, int dy, int w, int h); //throws bad_alloc
void blit(const Surface* src, int sx, int sy, int dx, int dy, int w, int h, const Array<Rectangle>& scissors); //throws bad_alloc
void mask(const Image* src, VGMaskOperation operation, int x, int y, int w, int h);
void mask(const Surface* src, VGMaskOperation operation, int x, int y, int w, int h);
RI_INLINE Color readSample(int x, int y, int sample) const { return m_image->readPixel(x*m_numSamples+sample, y); }
RI_INLINE void writeSample(int x, int y, int sample, const Color& c) { m_image->writePixel(x*m_numSamples+sample, y, c); }
RIfloat readMaskCoverage(int x, int y) const;
void writeMaskCoverage(int x, int y, RIfloat m);
unsigned int readMaskMSAA(int x, int y) const;
void writeMaskMSAA(int x, int y, unsigned int m);
Color FSAAResolve(int x, int y) const; //for fb=>img: vgGetPixels, vgReadPixels
private:
Surface(const Surface&); //!< Not allowed.
void operator=(const Surface&); //!< Not allowed.
struct ScissorEdge
{
ScissorEdge() : x(0), miny(0), maxy(0), direction(0) {}
bool operator<(const ScissorEdge& e) const { return x < e.x; }
int x;
int miny;
int maxy;
int direction; //1 start, -1 end
};
int m_width;
int m_height;
int m_numSamples;
int m_referenceCount;
Image* m_image;
};
/*-------------------------------------------------------------------*//*!
* \brief Drawable class for encapsulating color and mask buffers.
* \param
* \return
* \note
*//*-------------------------------------------------------------------*/
class Drawable
{
public:
Drawable(const Color::Descriptor& desc, int width, int height, int numSamples, int maskBits); //throws bad_alloc
Drawable(Image* image, int maskBits); //throws bad_alloc
Drawable(const Color::Descriptor& desc, int width, int height, int stride, RIuint8* data, int maskBits); //throws bad_alloc
~Drawable();
RI_INLINE const Color::Descriptor& getDescriptor() const { return m_color->getDescriptor(); }
RI_INLINE int getNumMaskBits() const { if(!m_mask) return 0; return m_mask->getDescriptor().alphaBits; }
RI_INLINE int getWidth() const { return m_color->getWidth(); }
RI_INLINE int getHeight() const { return m_color->getHeight(); }
RI_INLINE int getNumSamples() const { return m_color->getNumSamples(); }
RI_INLINE void addReference() { m_referenceCount++; }
RI_INLINE int removeReference() { m_referenceCount--; RI_ASSERT(m_referenceCount >= 0); return m_referenceCount; }
RI_INLINE int isInUse() const { return m_color->isInUse() || (m_mask && m_mask->isInUse()); }
RI_INLINE bool isInUse(Image* image) const { return m_color->isInUse(image) || (m_mask && m_mask->isInUse(image)); }
RI_INLINE Surface* getColorBuffer() const { return m_color; }
RI_INLINE Surface* getMaskBuffer() const { return m_mask; }
void resize(int newWidth, int newHeight); //throws bad_alloc
private:
Drawable(const Drawable&); //!< Not allowed.
void operator=(const Drawable&); //!< Not allowed.
int m_referenceCount;
Surface* m_color;
Surface* m_mask;
};
//==============================================================================================
} //namespace OpenVGRI
//==============================================================================================
#endif /* __RIIMAGE_H */