Merged mage-CompressedData into default

This commit is contained in:
Alex Szpakowski
2013-04-09 23:44:00 -03:00
41 changed files with 2485 additions and 342 deletions
+1
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@@ -469,6 +469,7 @@ StringMap<Type, TYPE_MAX_ENUM>::Entry typeEntries[] =
// Image
{"ImageData", IMAGE_IMAGE_DATA_ID},
{"CompressedData", IMAGE_COMPRESSED_DATA_ID},
// Audio
{"Source", AUDIO_SOURCE_ID},
+2
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@@ -56,6 +56,7 @@ enum Type
// Image
IMAGE_IMAGE_DATA_ID,
IMAGE_COMPRESSED_DATA_ID,
// Audio
AUDIO_SOURCE_ID,
@@ -127,6 +128,7 @@ const bits GRAPHICS_SHADER_T = (bits(1) << GRAPHICS_SHADER_ID) | OBJECT_T;
// Image.
const bits IMAGE_IMAGE_DATA_T = (bits(1) << IMAGE_IMAGE_DATA_ID) | DATA_T;
const bits IMAGE_COMPRESSED_DATA_T = (bits(1) << IMAGE_COMPRESSED_DATA_ID) | DATA_T;
// Audio.
const bits AUDIO_SOURCE_T = (bits(1) << AUDIO_SOURCE_ID) | OBJECT_T;
+235
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@@ -0,0 +1,235 @@
/**
* Simple DDS data parser for compressed 2D textures.
*
* Copyright (c) 2013 Alexander Szpakowski.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* 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 Software.
*
* THE SOFTWARE IS 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 SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
*
* Enums and structs copied from Microsoft.
* http://msdn.microsoft.com/en-us/library/bb943991.aspx
**/
#ifndef DDS_INFO_H
#define DDS_INFO_H
#include <stdint.h>
namespace dds
{
namespace dxinfo
{
enum DDPF
{
DDPF_ALPHAPIXELS = 0x000001,
DDPF_ALPHA = 0x000002,
DDPF_FOURCC = 0x000004,
DDPF_RGB = 0x000040,
DDPF_YUV = 0x000200,
DDPF_LUMINANCE = 0x020000
};
enum D3D10ResourceDimension
{
D3D10_RESOURCE_DIMENSION_UNKNOWN = 0,
D3D10_RESOURCE_DIMENSION_BUFFER = 1,
D3D10_RESOURCE_DIMENSION_TEXTURE1D = 2,
D3D10_RESOURCE_DIMENSION_TEXTURE2D = 3,
D3D10_RESOURCE_DIMENSION_TEXTURE3D = 4
};
enum DXGIFormat
{
DXGI_FORMAT_UNKNOWN = 0,
DXGI_FORMAT_R32G32B32A32_TYPELESS = 1,
DXGI_FORMAT_R32G32B32A32_FLOAT = 2,
DXGI_FORMAT_R32G32B32A32_UINT = 3,
DXGI_FORMAT_R32G32B32A32_SINT = 4,
DXGI_FORMAT_R32G32B32_TYPELESS = 5,
DXGI_FORMAT_R32G32B32_FLOAT = 6,
DXGI_FORMAT_R32G32B32_UINT = 7,
DXGI_FORMAT_R32G32B32_SINT = 8,
DXGI_FORMAT_R16G16B16A16_TYPELESS = 9,
DXGI_FORMAT_R16G16B16A16_FLOAT = 10,
DXGI_FORMAT_R16G16B16A16_UNORM = 11,
DXGI_FORMAT_R16G16B16A16_UINT = 12,
DXGI_FORMAT_R16G16B16A16_SNORM = 13,
DXGI_FORMAT_R16G16B16A16_SINT = 14,
DXGI_FORMAT_R32G32_TYPELESS = 15,
DXGI_FORMAT_R32G32_FLOAT = 16,
DXGI_FORMAT_R32G32_UINT = 17,
DXGI_FORMAT_R32G32_SINT = 18,
DXGI_FORMAT_R32G8X24_TYPELESS = 19,
DXGI_FORMAT_D32_FLOAT_S8X24_UINT = 20,
DXGI_FORMAT_R32_FLOAT_X8X24_TYPELESS = 21,
DXGI_FORMAT_X32_TYPELESS_G8X24_UINT = 22,
DXGI_FORMAT_R10G10B10A2_TYPELESS = 23,
DXGI_FORMAT_R10G10B10A2_UNORM = 24,
DXGI_FORMAT_R10G10B10A2_UINT = 25,
DXGI_FORMAT_R11G11B10_FLOAT = 26,
DXGI_FORMAT_R8G8B8A8_TYPELESS = 27,
DXGI_FORMAT_R8G8B8A8_UNORM = 28,
DXGI_FORMAT_R8G8B8A8_UNORM_SRGB = 29,
DXGI_FORMAT_R8G8B8A8_UINT = 30,
DXGI_FORMAT_R8G8B8A8_SNORM = 31,
DXGI_FORMAT_R8G8B8A8_SINT = 32,
DXGI_FORMAT_R16G16_TYPELESS = 33,
DXGI_FORMAT_R16G16_FLOAT = 34,
DXGI_FORMAT_R16G16_UNORM = 35,
DXGI_FORMAT_R16G16_UINT = 36,
DXGI_FORMAT_R16G16_SNORM = 37,
DXGI_FORMAT_R16G16_SINT = 38,
DXGI_FORMAT_R32_TYPELESS = 39,
DXGI_FORMAT_D32_FLOAT = 40,
DXGI_FORMAT_R32_FLOAT = 41,
DXGI_FORMAT_R32_UINT = 42,
DXGI_FORMAT_R32_SINT = 43,
DXGI_FORMAT_R24G8_TYPELESS = 44,
DXGI_FORMAT_D24_UNORM_S8_UINT = 45,
DXGI_FORMAT_R24_UNORM_X8_TYPELESS = 46,
DXGI_FORMAT_X24_TYPELESS_G8_UINT = 47,
DXGI_FORMAT_R8G8_TYPELESS = 48,
DXGI_FORMAT_R8G8_UNORM = 49,
DXGI_FORMAT_R8G8_UINT = 50,
DXGI_FORMAT_R8G8_SNORM = 51,
DXGI_FORMAT_R8G8_SINT = 52,
DXGI_FORMAT_R16_TYPELESS = 53,
DXGI_FORMAT_R16_FLOAT = 54,
DXGI_FORMAT_D16_UNORM = 55,
DXGI_FORMAT_R16_UNORM = 56,
DXGI_FORMAT_R16_UINT = 57,
DXGI_FORMAT_R16_SNORM = 58,
DXGI_FORMAT_R16_SINT = 59,
DXGI_FORMAT_R8_TYPELESS = 60,
DXGI_FORMAT_R8_UNORM = 61,
DXGI_FORMAT_R8_UINT = 62,
DXGI_FORMAT_R8_SNORM = 63,
DXGI_FORMAT_R8_SINT = 64,
DXGI_FORMAT_A8_UNORM = 65,
DXGI_FORMAT_R1_UNORM = 66,
DXGI_FORMAT_R9G9B9E5_SHAREDEXP = 67,
DXGI_FORMAT_R8G8_B8G8_UNORM = 68,
DXGI_FORMAT_G8R8_G8B8_UNORM = 69,
DXGI_FORMAT_BC1_TYPELESS = 70,
DXGI_FORMAT_BC1_UNORM = 71,
DXGI_FORMAT_BC1_UNORM_SRGB = 72,
DXGI_FORMAT_BC2_TYPELESS = 73,
DXGI_FORMAT_BC2_UNORM = 74,
DXGI_FORMAT_BC2_UNORM_SRGB = 75,
DXGI_FORMAT_BC3_TYPELESS = 76,
DXGI_FORMAT_BC3_UNORM = 77,
DXGI_FORMAT_BC3_UNORM_SRGB = 78,
DXGI_FORMAT_BC4_TYPELESS = 79,
DXGI_FORMAT_BC4_UNORM = 80,
DXGI_FORMAT_BC4_SNORM = 81,
DXGI_FORMAT_BC5_TYPELESS = 82,
DXGI_FORMAT_BC5_UNORM = 83,
DXGI_FORMAT_BC5_SNORM = 84,
DXGI_FORMAT_B5G6R5_UNORM = 85,
DXGI_FORMAT_B5G5R5A1_UNORM = 86,
DXGI_FORMAT_B8G8R8A8_UNORM = 87,
DXGI_FORMAT_B8G8R8X8_UNORM = 88,
DXGI_FORMAT_R10G10B10_XR_BIAS_A2_UNORM = 89,
DXGI_FORMAT_B8G8R8A8_TYPELESS = 90,
DXGI_FORMAT_B8G8R8A8_UNORM_SRGB = 91,
DXGI_FORMAT_B8G8R8X8_TYPELESS = 92,
DXGI_FORMAT_B8G8R8X8_UNORM_SRGB = 93,
DXGI_FORMAT_BC6H_TYPELESS = 94,
DXGI_FORMAT_BC6H_UF16 = 95,
DXGI_FORMAT_BC6H_SF16 = 96,
DXGI_FORMAT_BC7_TYPELESS = 97,
DXGI_FORMAT_BC7_UNORM = 98,
DXGI_FORMAT_BC7_UNORM_SRGB = 99,
DXGI_FORMAT_FORCE_UINT = 0xffffffffUL
};
struct DDSPixelFormat
{
uint32_t size;
uint32_t flags;
uint32_t fourCC;
uint32_t rgbBitCount;
uint32_t rBitMask;
uint32_t gBitMask;
uint32_t bBitMask;
uint32_t aBitMask;
};
struct DDSHeader
{
uint32_t size;
uint32_t flags;
uint32_t height;
uint32_t width;
uint32_t pitchOrLinearSize;
uint32_t depth;
uint32_t mipMapCount;
uint32_t reserved[11];
DDSPixelFormat format;
uint32_t caps1;
uint32_t caps2;
uint32_t caps3;
uint32_t caps4;
uint32_t reserved2;
};
struct DDSHeader10
{
DXGIFormat dxgiFormat;
D3D10ResourceDimension resourceDimension;
uint32_t miscFlag;
uint32_t arraySize;
uint32_t reserved;
};
} // dxinfo
} // dds
#endif // DDS_INFO_H
+358
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@@ -0,0 +1,358 @@
/**
* Simple DDS data parser for compressed 2D textures.
*
* Copyright (c) 2013 Alexander Szpakowski.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* 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 Software.
*
* THE SOFTWARE IS 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 SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
**/
#include "ddsparse.h"
#include "ddsinfo.h"
#include <algorithm>
namespace dds
{
using namespace dds::dxinfo;
// Creates a packed uint representation of a FourCC code.
static inline uint32_t FourCC(char a, char b, char c, char d)
{
uint32_t fcc = ((uint32_t) a)
| (((uint32_t) b) << 8)
| (((uint32_t) c) << 16)
| (((uint32_t) d) << 24);
return fcc;
}
Parser::Image::Image()
: width(0)
, height(0)
, dataSize(0)
, data(0)
{
}
bool Parser::isDDS(const void *data, size_t dataSize)
{
const uint8_t *readData = (const uint8_t *) data;
ptrdiff_t offset = 0;
// Is the data large enough to hold the DDS header?
if(dataSize < sizeof(uint32_t) + sizeof(DDSHeader))
return false;
// All DDS files start with "DDS ".
if((*(uint32_t *) readData) != FourCC('D','D','S',' '))
return false;
offset += sizeof(uint32_t);
DDSHeader *header = (DDSHeader *) &readData[offset];
// Verify header to validate DDS data.
if (header->size != sizeof(DDSHeader) || header->format.size != sizeof(DDSPixelFormat))
return false;
offset += sizeof(DDSHeader);
// Check for DX10 extension.
if ((header->format.flags & DDPF_FOURCC) && (header->format.fourCC == FourCC('D','X','1','0')))
{
// Data must be big enough for both headers plus the magic value.
if (dataSize < (sizeof(uint32_t) + sizeof(DDSHeader) + sizeof(DDSHeader10)))
return false;
}
return true;
}
bool Parser::isCompressedDDS(const void *data, size_t dataSize)
{
if (!isDDS(data, dataSize))
return false;
const uint8_t *readData = (const uint8_t *) data;
ptrdiff_t offset = sizeof(uint32_t);
DDSHeader *header = (DDSHeader *) &readData[offset];
offset += sizeof(DDSHeader);
// Check for DX10 extension.
if ((header->format.flags & DDPF_FOURCC) && (header->format.fourCC == FourCC('D','X','1','0')))
{
DDSHeader10 *header10 = (DDSHeader10 *) &readData[offset];
return parseDX10Format(header10->dxgiFormat) != FORMAT_UNKNOWN;
}
return parseDDSFormat(header->format) != FORMAT_UNKNOWN;
}
Parser::Parser(const void *data, size_t dataSize)
: format(FORMAT_UNKNOWN)
{
parseData(data, dataSize);
}
Parser::Parser(const Parser &other)
: texData(other.texData)
, format(other.format)
{
}
Parser::Parser()
: format(FORMAT_UNKNOWN)
{
}
Parser &Parser::operator = (const Parser &other)
{
texData = other.texData;
format = other.format;
return *this;
}
Parser::~Parser()
{
}
Format Parser::getFormat() const
{
return format;
}
const Parser::Image *Parser::getImageData(size_t miplevel) const
{
if (miplevel >= texData.size())
return 0;
return &texData[miplevel];
}
size_t Parser::getNumMipmaps() const
{
return texData.size();
}
Format Parser::parseDDSFormat(const DDSPixelFormat &fmt)
{
if (fmt.flags & DDPF_FOURCC)
{
if (fmt.fourCC == FourCC('D','X','T','1'))
return FORMAT_DXT1;
else if (fmt.fourCC == FourCC('D','X','T','3'))
return FORMAT_DXT3;
else if (fmt.fourCC == FourCC('D','X','T','5'))
return FORMAT_DXT5;
else if (fmt.fourCC == FourCC('A','T','I','1'))
return FORMAT_BC4;
else if (fmt.fourCC == FourCC('A','T','I','2'))
return FORMAT_BC5;
else if (fmt.fourCC == FourCC('B','C','4','U'))
return FORMAT_BC4;
else if (fmt.fourCC == FourCC('B','C','4','S'))
return FORMAT_BC4s;
else if (fmt.fourCC == FourCC('B','C','5','U'))
return FORMAT_BC5;
else if (fmt.fourCC == FourCC('B','C','5','S'))
return FORMAT_BC5s;
}
return FORMAT_UNKNOWN;
}
Format Parser::parseDX10Format(DXGIFormat fmt)
{
Format f = FORMAT_UNKNOWN;
switch (fmt)
{
case DXGI_FORMAT_BC1_TYPELESS:
case DXGI_FORMAT_BC1_UNORM:
case DXGI_FORMAT_BC1_UNORM_SRGB:
f = FORMAT_DXT1;
break;
case DXGI_FORMAT_BC2_TYPELESS:
case DXGI_FORMAT_BC2_UNORM:
case DXGI_FORMAT_BC2_UNORM_SRGB:
f = FORMAT_DXT3;
break;
case DXGI_FORMAT_BC3_TYPELESS:
case DXGI_FORMAT_BC3_UNORM:
case DXGI_FORMAT_BC3_UNORM_SRGB:
f = FORMAT_DXT5;
break;
case DXGI_FORMAT_BC4_TYPELESS:
case DXGI_FORMAT_BC4_UNORM:
f = FORMAT_BC4;
break;
case DXGI_FORMAT_BC4_SNORM:
f = FORMAT_BC4s;
break;
case DXGI_FORMAT_BC5_TYPELESS:
case DXGI_FORMAT_BC5_UNORM:
f = FORMAT_BC5;
break;
case DXGI_FORMAT_BC5_SNORM:
f = FORMAT_BC5s;
break;
case DXGI_FORMAT_BC6H_TYPELESS:
case DXGI_FORMAT_BC6H_UF16:
f = FORMAT_BC6H;
break;
case DXGI_FORMAT_BC6H_SF16:
f = FORAMT_BC6Hs;
break;
case DXGI_FORMAT_BC7_TYPELESS:
case DXGI_FORMAT_BC7_UNORM:
f = FORMAT_BC7;
break;
case DXGI_FORMAT_BC7_UNORM_SRGB:
f = FORMAT_BC7srgb;
break;
default:
break;
}
return f;
}
size_t Parser::parseImageSize(Format fmt, int width, int height) const
{
size_t size = 0;
switch (fmt)
{
case FORMAT_DXT1:
case FORMAT_DXT3:
case FORMAT_DXT5:
case FORMAT_BC5s:
case FORMAT_BC5:
case FORMAT_BC7:
case FORMAT_BC7srgb:
{
int numBlocksWide = 0;
if (width > 0)
numBlocksWide = std::max(1, (width + 3) / 4);
int numBlocksHigh = 0;
if (height > 0)
numBlocksHigh = std::max(1, (height + 3) / 4);
int numBytesPerBlock = (fmt == FORMAT_DXT1 ? 8 : 16);
size = numBlocksWide * numBytesPerBlock * numBlocksHigh;
}
break;
default:
break;
}
return size;
}
bool Parser::parseTexData(const uint8_t *data, size_t dataSize, Format fmt, int w, int h, int mips)
{
size_t offset = 0;
std::vector<Image> newTexData;
for (int i = 0; i < mips; i++)
{
Image img;
img.width = w;
img.height = h;
img.dataSize = parseImageSize(fmt, img.width, img.height);
// Make sure the data size is valid.
if (img.dataSize == 0 || (offset + img.dataSize) > dataSize)
return false;
// Store the memory address of the data representing this mip level.
img.data = &data[offset];
newTexData.push_back(img);
// Move to the next mip level.
offset += img.dataSize;
w = std::max(w / 2, 1);
h = std::max(h / 2, 1);
}
texData = newTexData;
return true;
}
bool Parser::parseData(const void *data, size_t dataSize)
{
if (!isDDS(data, dataSize))
return false;
const uint8_t *readData = (const uint8_t *) data;
ptrdiff_t offset = sizeof(uint32_t);
DDSHeader *header = (DDSHeader *) &readData[offset];
offset += sizeof(DDSHeader);
// Check for DX10 extension.
if ((header->format.flags & DDPF_FOURCC) && (header->format.fourCC == FourCC('D','X','1','0')))
{
DDSHeader10 *header10 = (DDSHeader10 *) &readData[offset];
offset += sizeof(DDSHeader10);
// We can't deal with 1D/3D textures.
switch (header10->resourceDimension)
{
case D3D10_RESOURCE_DIMENSION_TEXTURE2D:
case D3D10_RESOURCE_DIMENSION_UNKNOWN:
break;
default:
return false;
}
// We also can't deal with texture arrays and cubemaps.
if (header10->arraySize > 1)
return false;
format = parseDX10Format(header10->dxgiFormat);
}
else
format = parseDDSFormat(header->format);
if (format == FORMAT_UNKNOWN)
return false;
int w = header->width;
int h = header->height;
int mips = std::max((int) header->mipMapCount, 1);
return parseTexData(&readData[offset], dataSize - offset, format, w, h, mips);
}
} // dds
+144
View File
@@ -0,0 +1,144 @@
/**
* Simple DDS data parser for compressed 2D textures.
*
* Copyright (c) 2013 Alexander Szpakowski.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* 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 Software.
*
* THE SOFTWARE IS 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 SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
**/
#ifndef DDS_PARSE_H
#define DDS_PARSE_H
#include "ddsinfo.h"
#include <stddef.h>
#include <stdint.h>
#include <vector>
#include <exception>
namespace dds
{
// Supported DDS formats.
// Formats with an 's' suffix have signed data.
enum Format
{
FORMAT_DXT1,
FORMAT_DXT3,
FORMAT_DXT5,
FORMAT_BC4,
FORMAT_BC4s,
FORMAT_BC5,
FORMAT_BC5s,
FORMAT_BC6H,
FORAMT_BC6Hs,
FORMAT_BC7,
FORMAT_BC7srgb, // sRGB color space.
FORMAT_UNKNOWN
};
class Parser
{
public:
// Represents a single mipmap level of a texture.
struct Image
{
int width;
int height;
size_t dataSize;
const uint8_t *data;
Image();
};
/**
* Determines whether the input byte data represents a valid DDS file.
* Does not take into account whether the texture format is supported.
*
* @param data The byte data to parse.
* @param dataSize The size in bytes of the data.
**/
static bool isDDS(const void *data, size_t dataSize);
/**
* Determines whether the input byte data represents a valid compressed DDS
* file. Takes into account texture format, but not type (3D textures, etc.)
*
* @param data The byte data to parse.
* @param dataSize The size in bytes of the data.
**/
static bool isCompressedDDS(const void *data, size_t dataSize);
/**
* Constructor.
* Attempts to parse byte data as a compressed DDS file.
*
* @param data The byte data to parse.
* @param dataSize The size in bytes of the data.
**/
Parser(const void *data, size_t dataSize);
Parser(const Parser &other);
Parser();
Parser &operator = (const Parser &other);
~Parser();
/**
* Gets the format of this texture.
**/
Format getFormat() const;
/**
* Gets the data of this texture at a mipmap level. Mipmap level 0
* represents the base image.
*
* @param miplevel The mipmap level to get the data of.
* @return Pointer to the image data, or NULL if miplevel is not within the
* range of [0, numMipmaps).
**/
const Image *getImageData(size_t miplevel = 0) const;
/**
* Gets the number of mipmap levels in this texture.
* Includes the base mip level.
**/
size_t getNumMipmaps() const;
private:
static Format parseDDSFormat(const dxinfo::DDSPixelFormat &fmt);
static Format parseDX10Format(dxinfo::DXGIFormat fmt);
size_t parseImageSize(Format fmt, int width, int height) const;
bool parseTexData(const uint8_t *data, size_t dataSize, Format fmt, int w, int h, int mips);
bool parseData(const void *data, size_t dataSize);
std::vector<Image> texData;
Format format;
}; // Parser
} // dds
#endif // DDS_PARSE_H
@@ -52,7 +52,7 @@ static const luaL_Reg w_FileData_functions[] =
{
// Data
{ "getPointer", w_Data_getPointer },
// { "getPointer", w_Data_getPointer },
{ "getSize", w_Data_getSize },
{ "getFilename", w_FileData_getFilename },
@@ -105,14 +105,36 @@ int w_newFile(lua_State *L)
int w_newFileData(lua_State *L)
{
if (!lua_isstring(L, 1))
return luaL_error(L, "String expected.");
if (!lua_isstring(L, 2))
return luaL_error(L, "String expected.");
// Single argument: treat as filepath or File.
if (lua_gettop(L) == 1)
{
if (lua_isstring(L, 1))
luax_convobj(L, 1, "filesystem", "newFile");
// Get FileData from the File.
if (luax_istype(L, 1, FILESYSTEM_FILE_T))
{
File *file = luax_checktype<File>(L, 1, "File", FILESYSTEM_FILE_T);
FileData *data = 0;
try
{
data = file->read();
}
catch (love::Exception &e)
{
return luaL_error(L, "%s", e.what());
}
luax_newtype(L, "FileData", FILESYSTEM_FILE_DATA_T, (void *) data);
return 1;
}
else
return luaL_argerror(L, 1, "string or File expected");
}
size_t length = 0;
const char *str = lua_tolstring(L, 1, &length);
const char *filename = lua_tostring(L, 2);
const char *str = luaL_checklstring(L, 1, &length);
const char *filename = luaL_checkstring(L, 2);
const char *decstr = lua_isstring(L, 3) ? lua_tostring(L, 3) : 0;
FileData::Decoder decoder = FileData::FILE;
+1 -1
View File
@@ -32,7 +32,7 @@ GlyphData *luax_checkglyphdata(lua_State *L, int idx)
static const luaL_Reg functions[] =
{
{ "getPointer", w_Data_getPointer },
// { "getPointer", w_Data_getPointer },
{ "getSize", w_Data_getSize },
{ 0, 0 }
};
+3
View File
@@ -163,6 +163,9 @@ StringMap<Graphics::Support, Graphics::SUPPORT_MAX_ENUM>::Entry Graphics::suppor
{ "npot", Graphics::SUPPORT_NPOT },
{ "subtractive", Graphics::SUPPORT_SUBTRACTIVE },
{ "mipmap", Graphics::SUPPORT_MIPMAP },
{ "dxt", Graphics::SUPPORT_DXT },
{ "bc5", Graphics::SUPPORT_BC5 },
{ "bc7", Graphics::SUPPORT_BC7 },
};
StringMap<Graphics::Support, Graphics::SUPPORT_MAX_ENUM> Graphics::support(Graphics::supportEntries, sizeof(Graphics::supportEntries));
+3
View File
@@ -92,6 +92,9 @@ public:
SUPPORT_NPOT,
SUPPORT_SUBTRACTIVE,
SUPPORT_MIPMAP,
SUPPORT_DXT,
SUPPORT_BC5,
SUPPORT_BC7,
SUPPORT_MAX_ENUM
};
+29 -1
View File
@@ -225,6 +225,9 @@ void Graphics::present()
void Graphics::setIcon(Image *image)
{
if (image->isCompressed())
throw love::Exception("Cannot use compressed image data to set an icon.");
currentWindow->setIcon(image->getData());
}
@@ -331,9 +334,11 @@ int Graphics::getScissor(lua_State *L) const
void Graphics::defineStencil()
{
// Disable color writes but don't save the mask values.
glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE);
glEnable(GL_STENCIL_TEST);
glClear(GL_STENCIL_BUFFER_BIT);
glEnable(GL_STENCIL_TEST);
glStencilFunc(GL_ALWAYS, 1, 1);
glStencilOp(GL_KEEP, GL_KEEP, GL_REPLACE);
}
@@ -374,6 +379,29 @@ Image *Graphics::newImage(love::image::ImageData *data)
return image;
}
Image *Graphics::newImage(love::image::CompressedData *cdata)
{
// Create the image.
Image *image = new Image(cdata);
bool success;
try
{
success = image->load();
}
catch(love::Exception &)
{
image->release();
throw;
}
if (!success)
{
image->release();
return 0;
}
return image;
}
Quad *Graphics::newQuad(float x, float y, float w, float h, float sw, float sh)
{
Quad::Viewport v;
+1 -1
View File
@@ -251,8 +251,8 @@ public:
/**
* Creates an Image object with padding and/or optimization.
**/
Image *newImage(love::filesystem::File *file);
Image *newImage(love::image::ImageData *data);
Image *newImage(love::image::CompressedData *cdata);
/**
* Creates a Quad object.
+253 -108
View File
@@ -24,8 +24,6 @@
#include <cstring> // For memcpy
#include <algorithm> // for min/max
#include <iostream>
namespace love
{
namespace graphics
@@ -39,43 +37,39 @@ Image::FilterMode Image::defaultMipmapFilter = Image::FILTER_NONE;
float Image::defaultMipmapSharpness = 0.0f;
Image::Image(love::image::ImageData *data)
: width((float)(data->getWidth()))
: cdata(0)
, width((float)(data->getWidth()))
, height((float)(data->getHeight()))
, texture(0)
, mipmapSharpness(defaultMipmapSharpness)
, mipmapsCreated(false)
, compressed(false)
{
data->retain();
this->data = data;
preload();
}
memset(vertices, 255, sizeof(vertex)*4);
vertices[0].x = 0;
vertices[0].y = 0;
vertices[1].x = 0;
vertices[1].y = height;
vertices[2].x = width;
vertices[2].y = height;
vertices[3].x = width;
vertices[3].y = 0;
vertices[0].s = 0;
vertices[0].t = 0;
vertices[1].s = 0;
vertices[1].t = 1;
vertices[2].s = 1;
vertices[2].t = 1;
vertices[3].s = 1;
vertices[3].t = 0;
filter = getDefaultFilter();
filter.mipmap = defaultMipmapFilter;
Image::Image(love::image::CompressedData *cdata)
: data(0)
, width((float)(cdata->getWidth(0)))
, height((float)(cdata->getHeight(0)))
, texture(0)
, mipmapSharpness(defaultMipmapSharpness)
, mipmapsCreated(false)
, compressed(true)
{
cdata->retain();
this->cdata = cdata;
preload();
}
Image::~Image()
{
if (data != 0)
data->release();
if (cdata != 0)
cdata->release();
unload();
}
@@ -99,40 +93,6 @@ love::image::ImageData *Image::getData() const
return data;
}
void Image::getRectangleVertices(int x, int y, int w, int h, vertex *vertices) const
{
// Check upper.
x = (x+w > (int)width) ? (int)width-w : x;
y = (y+h > (int)height) ? (int)height-h : y;
// Check lower.
x = (x < 0) ? 0 : x;
y = (y < 0) ? 0 : y;
vertices[0].x = 0;
vertices[0].y = 0;
vertices[1].x = 0;
vertices[1].y = (float)h;
vertices[2].x = (float)w;
vertices[2].y = (float)h;
vertices[3].x = (float)w;
vertices[3].y = 0;
float tx = (float)x/width;
float ty = (float)y/height;
float tw = (float)w/width;
float th = (float)h/height;
vertices[0].s = tx;
vertices[0].t = ty;
vertices[1].s = tx;
vertices[1].t = ty+th;
vertices[2].s = tx+tw;
vertices[2].t = ty+th;
vertices[3].s = tx+tw;
vertices[3].t = ty;
}
void Image::draw(float x, float y, float angle, float sx, float sy, float ox, float oy, float kx, float ky) const
{
static Matrix t;
@@ -150,19 +110,57 @@ void Image::drawq(love::graphics::Quad *quad, float x, float y, float angle, flo
drawv(t, v);
}
void Image::checkMipmapsCreated()
void Image::uploadCompressedMipmaps()
{
if (mipmapsCreated || (filter.mipmap != FILTER_NEAREST && filter.mipmap != FILTER_LINEAR))
if (!isCompressed() || !cdata || !hasCompressedTextureSupport(cdata->getType()))
return;
bind();
int numMipmaps = cdata->getNumMipmaps();
// We have to inform OpenGL if the image doesn't have all mipmap levels.
if (GLEE_VERSION_1_2 || GLEE_SGIS_texture_lod)
{
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, numMipmaps - 1);
}
else if (cdata->getWidth(numMipmaps-1) > 1 || cdata->getHeight(numMipmaps-1) > 1)
{
// Telling OpenGL to ignore certain levels isn't always supported.
throw love::Exception("Cannot load mipmaps: "
"compressed image does not have all required levels.");
}
for (int i = 1; i < numMipmaps; i++)
{
glCompressedTexImage2DARB(GL_TEXTURE_2D,
i,
getCompressedFormat(cdata->getType()),
cdata->getWidth(i),
cdata->getHeight(i),
0,
GLsizei(cdata->getSize(i)),
cdata->getData(i));
}
}
void Image::createMipmaps()
{
if (!data)
return;
if (!hasMipmapSupport())
throw love::Exception("Mipmap filtering is not supported on this system.");
// Some old drivers claim support for NPOT textures, but fail when creating mipmaps.
// we can't detect which systems will do this, so we fail gracefully for all NPOT images.
// Some old drivers claim support for NPOT textures, but fail when creating
// mipmaps. We can't detect which systems will do this, so we fail gracefully
// for all NPOT images.
int w = int(width), h = int(height);
if (w != next_p2(w) || h != next_p2(h))
throw love::Exception("Cannot create mipmaps: image does not have power of two dimensions.");
{
throw love::Exception("Cannot create mipmaps: "
"image does not have power of two dimensions.");
}
bind();
@@ -171,14 +169,14 @@ void Image::checkMipmapsCreated()
// AMD/ATI drivers have several bugs when generating mipmaps,
// re-uploading the entire base image seems to be required.
glTexImage2D(GL_TEXTURE_2D,
0,
GL_RGBA8,
(GLsizei)width,
(GLsizei)height,
0,
GL_RGBA,
GL_UNSIGNED_BYTE,
data->getData());
0,
GL_RGBA8,
(GLsizei)width,
(GLsizei)height,
0,
GL_RGBA,
GL_UNSIGNED_BYTE,
data->getData());
// More bugs: http://www.opengl.org/wiki/Common_Mistakes#Automatic_mipmap_generation
glEnable(GL_TEXTURE_2D);
@@ -188,15 +186,28 @@ void Image::checkMipmapsCreated()
{
glTexParameteri(GL_TEXTURE_2D, GL_GENERATE_MIPMAP, GL_TRUE);
glTexSubImage2D(GL_TEXTURE_2D,
0,
0,
0,
(GLsizei)width,
(GLsizei)height,
GL_RGBA,
GL_UNSIGNED_BYTE,
data->getData());
0,
0,
0,
(GLsizei)width,
(GLsizei)height,
GL_RGBA,
GL_UNSIGNED_BYTE,
data->getData());
}
}
void Image::checkMipmapsCreated()
{
if (mipmapsCreated || filter.mipmap == FILTER_NONE)
return;
if (isCompressed() && cdata && hasCompressedTextureSupport(cdata->getType()))
uploadCompressedMipmaps();
else if (data)
createMipmaps();
else
return;
mipmapsCreated = true;
}
@@ -236,7 +247,9 @@ void Image::setMipmapSharpness(float sharpness)
mipmapSharpness = std::min(std::max(sharpness, -maxMipmapSharpness + 0.01f), maxMipmapSharpness - 0.01f);
bind();
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_LOD_BIAS, -mipmapSharpness); // negative bias is sharper
// negative bias is sharper
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_LOD_BIAS, -mipmapSharpness);
}
else
mipmapSharpness = 0.0f;
@@ -255,6 +268,32 @@ void Image::bind() const
bindTexture(texture);
}
void Image::preload()
{
memset(vertices, 255, sizeof(vertex)*4);
vertices[0].x = 0;
vertices[0].y = 0;
vertices[1].x = 0;
vertices[1].y = height;
vertices[2].x = width;
vertices[2].y = height;
vertices[3].x = width;
vertices[3].y = 0;
vertices[0].s = 0;
vertices[0].t = 0;
vertices[1].s = 0;
vertices[1].t = 1;
vertices[2].s = 1;
vertices[2].t = 1;
vertices[3].s = 1;
vertices[3].t = 0;
filter = getDefaultFilter();
filter.mipmap = defaultMipmapFilter;
}
bool Image::load()
{
return loadVolatile();
@@ -267,6 +306,18 @@ void Image::unload()
bool Image::loadVolatile()
{
if (isCompressed() && cdata && !hasCompressedTextureSupport(cdata->getType()))
{
const char *str;
if (image::CompressedData::getConstant(cdata->getType(), str))
{
throw love::Exception("Cannot create image: "
"%s compressed images are not supported on this system.", str);
}
else
throw love::Exception("cannot create image: format is not supported on this system.");
}
if (hasMipmapSharpnessSupport() && maxMipmapSharpness == 0.0f)
glGetFloatv(GL_MAX_TEXTURE_LOD_BIAS, &maxMipmapSharpness);
@@ -296,25 +347,45 @@ bool Image::loadVolatilePOT()
while (glGetError() != GL_NO_ERROR); // clear errors
glTexImage2D(GL_TEXTURE_2D,
0,
GL_RGBA8,
(GLsizei)p2width,
(GLsizei)p2height,
0,
GL_RGBA,
GL_UNSIGNED_BYTE,
0);
if (isCompressed() && cdata)
{
if (s < 1.0f || t < 1.0f)
{
throw love::Exception("Cannot create image: "
"compressed NPOT images are not supported on this system.");
}
glTexSubImage2D(GL_TEXTURE_2D,
0,
0,
0,
(GLsizei)width,
(GLsizei)height,
GL_RGBA,
GL_UNSIGNED_BYTE,
data->getData());
glCompressedTexImage2DARB(GL_TEXTURE_2D,
0,
getCompressedFormat(cdata->getType()),
cdata->getWidth(0),
cdata->getHeight(0),
0,
GLsizei(cdata->getSize(0)),
cdata->getData(0));
}
else if (data)
{
glTexImage2D(GL_TEXTURE_2D,
0,
GL_RGBA8,
(GLsizei)p2width,
(GLsizei)p2height,
0,
GL_RGBA,
GL_UNSIGNED_BYTE,
0);
glTexSubImage2D(GL_TEXTURE_2D,
0,
0,
0,
(GLsizei)width,
(GLsizei)height,
GL_RGBA,
GL_UNSIGNED_BYTE,
data->getData());
}
if (glGetError() != GL_NO_ERROR)
throw love::Exception("Cannot create image: size may be too large for this system.");
@@ -337,15 +408,30 @@ bool Image::loadVolatileNPOT()
while (glGetError() != GL_NO_ERROR); // clear errors
glTexImage2D(GL_TEXTURE_2D,
0,
GL_RGBA8,
(GLsizei)width,
(GLsizei)height,
0,
GL_RGBA,
GL_UNSIGNED_BYTE,
data->getData());
if (isCompressed() && cdata)
{
GLenum format = getCompressedFormat(cdata->getType());
glCompressedTexImage2DARB(GL_TEXTURE_2D,
0,
format,
cdata->getWidth(0),
cdata->getHeight(0),
0,
GLsizei(cdata->getSize(0)),
cdata->getData(0));
}
else if (data)
{
glTexImage2D(GL_TEXTURE_2D,
0,
GL_RGBA8,
(GLsizei)width,
(GLsizei)height,
0,
GL_RGBA,
GL_UNSIGNED_BYTE,
data->getData());
}
if (glGetError() != GL_NO_ERROR)
throw love::Exception("Cannot create image: size may be too large for this system.");
@@ -407,6 +493,34 @@ Image::FilterMode Image::getDefaultMipmapFilter()
return defaultMipmapFilter;
}
bool Image::isCompressed() const
{
return compressed;
}
GLenum Image::getCompressedFormat(image::CompressedData::TextureType type) const
{
switch (type)
{
case image::CompressedData::TYPE_DXT1:
return GL_COMPRESSED_RGB_S3TC_DXT1_EXT;
case image::CompressedData::TYPE_DXT3:
return GL_COMPRESSED_RGBA_S3TC_DXT3_EXT;
case image::CompressedData::TYPE_DXT5:
return GL_COMPRESSED_RGBA_S3TC_DXT5_EXT;
case image::CompressedData::TYPE_BC5:
return GL_COMPRESSED_RG_RGTC2;
case image::CompressedData::TYPE_BC5s:
return GL_COMPRESSED_SIGNED_RG_RGTC2;
case image::CompressedData::TYPE_BC7:
return GL_COMPRESSED_RGBA_BPTC_UNORM_ARB;
case image::CompressedData::TYPE_BC7srgb:
return GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM_ARB;
default:
return GL_RGBA8;
}
}
bool Image::hasNpot()
{
return GLEE_VERSION_2_0 || GLEE_ARB_texture_non_power_of_two;
@@ -427,6 +541,37 @@ bool Image::hasMipmapSharpnessSupport()
return GLEE_VERSION_1_4 || GLEE_EXT_texture_lod_bias;
}
bool Image::hasCompressedTextureSupport()
{
return GLEE_VERSION_1_3 || GLEE_ARB_texture_compression;
}
bool Image::hasCompressedTextureSupport(image::CompressedData::TextureType type)
{
if (!hasCompressedTextureSupport())
return false;
switch (type)
{
case image::CompressedData::TYPE_DXT1:
case image::CompressedData::TYPE_DXT3:
case image::CompressedData::TYPE_DXT5:
return GLEE_EXT_texture_compression_s3tc;
case image::CompressedData::TYPE_BC5:
case image::CompressedData::TYPE_BC5s:
return (GLEE_VERSION_3_0 || GLEE_ARB_texture_compression_rgtc || GLEE_EXT_texture_compression_rgtc);
case image::CompressedData::TYPE_BC7:
case image::CompressedData::TYPE_BC7srgb:
return (GLEE_VERSION_4_2 || GLEE_ARB_texture_compression_bptc);
default:
return false;
}
}
} // opengl
} // graphics
} // love
+33 -16
View File
@@ -26,6 +26,7 @@
#include "common/math.h"
#include "common/config.h"
#include "image/ImageData.h"
#include "image/CompressedData.h"
#include "graphics/Image.h"
// OpenGL
@@ -52,10 +53,17 @@ public:
* Creates a new Image. Not that anything is ready to use
* before load is called.
*
* @param file The file from which to load the image.
* @param data The data from which to load the image.
**/
Image(love::image::ImageData *data);
/**
* Creates a new Image with compressed image data.
*
* @param cdata The compressed data from which to load the image.
**/
Image(love::image::CompressedData *cdata);
/**
* Destructor. Deletes the hardware texture and other resources.
**/
@@ -68,20 +76,6 @@ public:
love::image::ImageData *getData() const;
/**
* Generate vertices according to a subimage.
*
* Note: out-of-range values will be clamped.
* Note: the vertex colors will not be changed.
*
* @param x The top-left corner of the subimage along the x-axis.
* @param y The top-left corner of the subimage along the y-axis.
* @param w The width of the subimage.
* @param h The height of the subimage.
* @param vertices A vertex array of size four.
**/
void getRectangleVertices(int x, int y, int w, int h, vertex *vertices) const;
/**
* @copydoc Drawable::draw()
**/
@@ -107,6 +101,11 @@ public:
void setMipmapSharpness(float sharpness);
float getMipmapSharpness() const;
/**
* Whether this Image is using a compressed texture (via CompressedData).
**/
bool isCompressed() const;
void bind() const;
bool load();
@@ -126,6 +125,9 @@ public:
static bool hasMipmapSupport();
static bool hasMipmapSharpnessSupport();
static bool hasCompressedTextureSupport();
static bool hasCompressedTextureSupport(image::CompressedData::TextureType type);
private:
void drawv(const Matrix &t, const vertex *v) const;
@@ -135,9 +137,15 @@ private:
{
return texture;
}
// The ImageData from which the texture is created.
// The ImageData from which the texture is created. May be null if
// Compressed image data was used to create the texture.
love::image::ImageData *data;
// Or the Compressed Image Data from which the texture is created. May be
// null if raw ImageData was used to create the texture.
love::image::CompressedData *cdata;
// Width and height of the hardware texture.
float width, height;
@@ -153,15 +161,22 @@ private:
// True if mipmaps have been created for this Image.
bool mipmapsCreated;
// Whether this Image is using a compressed texture.
bool compressed;
// The image's filter mode
Image::Filter filter;
// The image's wrap mode
Image::Wrap wrap;
void preload();
bool loadVolatilePOT();
bool loadVolatileNPOT();
void uploadCompressedMipmaps();
void createMipmaps();
void checkMipmapsCreated();
static float maxMipmapSharpness;
@@ -169,6 +184,8 @@ private:
static FilterMode defaultMipmapFilter;
static float defaultMipmapSharpness;
GLenum getCompressedFormat(image::CompressedData::TextureType type) const;
}; // Image
} // opengl
+8
View File
@@ -97,6 +97,14 @@ void initializeContext()
glUnmapBufferARB = (GLEEPFNGLUNMAPBUFFERARBPROC) glUnmapBuffer;
}
// Same deal for compressed textures.
if (GLEE_VERSION_1_3 && !GLEE_ARB_texture_compression)
{
glCompressedTexImage2DARB = (GLEEPFNGLCOMPRESSEDTEXIMAGE2DARBPROC) glCompressedTexImage2D;
glCompressedTexSubImage2DARB = (GLEEPFNGLCOMPRESSEDTEXSUBIMAGE2DARBPROC) glCompressedTexSubImage2D;
glGetCompressedTexImageARB = (GLEEPFNGLGETCOMPRESSEDTEXIMAGEARBPROC) glGetCompressedTexImage;
}
if (GLEE_EXT_texture_filter_anisotropic)
glGetFloatv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &maxAnisotropy);
else
+55 -10
View File
@@ -158,7 +158,14 @@ int w_present(lua_State *)
int w_setIcon(lua_State *L)
{
Image *image = luax_checktype<Image>(L, 1, "Image", GRAPHICS_IMAGE_T);
instance->setIcon(image);
try
{
instance->setIcon(image);
}
catch (love::Exception &e)
{
return luaL_error(L, "%s", e.what());
}
return 0;
}
@@ -269,21 +276,45 @@ int w_setInvertedStencil(lua_State *L)
int w_newImage(lua_State *L)
{
// Convert to File, if necessary.
if (lua_isstring(L, 1))
luax_convobj(L, 1, "filesystem", "newFile");
love::image::ImageData *data = 0;
love::image::CompressedData *cdata = 0;
// Convert to ImageData, if necessary.
if (luax_istype(L, 1, FILESYSTEM_FILE_T))
luax_convobj(L, 1, "image", "newImageData");
// Convert to FileData, if necessary.
if (lua_isstring(L, 1) || luax_istype(L, 1, FILESYSTEM_FILE_T))
luax_convobj(L, 1, "filesystem", "newFileData");
love::image::ImageData *data = luax_checktype<love::image::ImageData>(L, 1, "ImageData", IMAGE_IMAGE_DATA_T);
// Convert to ImageData/CompressedData, if necessary.
if (luax_istype(L, 1, FILESYSTEM_FILE_DATA_T))
{
// Determine whether to convert to ImageData or CompressedData.
luax_getfunction(L, "image", "isCompressed");
lua_pushvalue(L, 1);
lua_call(L, 1, 1);
bool compressed = luax_toboolean(L, -1);
lua_pop(L, 1);
if (compressed)
luax_convobj(L, 1, "image", "newCompressedData");
else
luax_convobj(L, 1, "image", "newImageData");
}
if (luax_istype(L, 1, IMAGE_COMPRESSED_DATA_T))
cdata = luax_checktype<love::image::CompressedData>(L, 1, "CompressedData", IMAGE_COMPRESSED_DATA_T);
else
data = luax_checktype<love::image::ImageData>(L, 1, "ImageData", IMAGE_IMAGE_DATA_T);
// Create the image.
Image *image = 0;
try
{
image = instance->newImage(data);
if (cdata)
image = instance->newImage(cdata);
else if (data)
image = instance->newImage(data);
else
throw love::Exception("Error creating image.");
}
catch(love::Exception &e)
{
@@ -387,7 +418,7 @@ int w_newImageFont(lua_State *L)
int startIndex = 2;
// Convert to ImageData if necessary.
if (lua_isstring(L, 1) || luax_istype(L, 1, FILESYSTEM_FILE_T) || (luax_istype(L, 1, DATA_T) && !luax_istype(L, 1, IMAGE_IMAGE_DATA_T)))
if (lua_isstring(L, 1) || luax_istype(L, 1, FILESYSTEM_FILE_T) || luax_istype(L, 1, FILESYSTEM_FILE_DATA_T))
luax_convobj(L, 1, "image", "newImageData");
else if (luax_istype(L, 1, GRAPHICS_IMAGE_T))
{
@@ -395,6 +426,8 @@ int w_newImageFont(lua_State *L)
img_filter = i->getFilter();
setFilter = true;
love::image::ImageData *id = i->getData();
if (!id)
return luaL_argerror(L, 1, "image cannot be compressed");
luax_newtype(L, "ImageData", IMAGE_IMAGE_DATA_T, (void *)id, false);
lua_replace(L, 1);
}
@@ -1110,6 +1143,18 @@ int w_isSupported(lua_State *L)
if (!Image::hasMipmapSupport())
supported = false;
break;
case Graphics::SUPPORT_DXT:
if (!Image::hasCompressedTextureSupport(image::CompressedData::TYPE_DXT5))
supported = false;
break;
case Graphics::SUPPORT_BC5:
if (!Image::hasCompressedTextureSupport(image::CompressedData::TYPE_BC5))
supported = false;
break;
case Graphics::SUPPORT_BC7:
if (!Image::hasCompressedTextureSupport(image::CompressedData::TYPE_BC7))
supported = false;
break;
default:
supported = false;
}
@@ -175,6 +175,13 @@ int w_Image_getWrap(lua_State *L)
return 2;
}
int w_Image_isCompressed(lua_State *L)
{
Image *i = luax_checkimage(L, 1);
luax_pushboolean(L, i->isCompressed());
return 1;
}
static const luaL_Reg functions[] =
{
{ "getWidth", w_Image_getWidth },
@@ -186,6 +193,7 @@ static const luaL_Reg functions[] =
{ "getWrap", w_Image_getWrap },
{ "setMipmapFilter", w_Image_setMipmapFilter },
{ "getMipmapFilter", w_Image_getMipmapFilter },
{ "isCompressed", w_Image_isCompressed },
{ 0, 0 }
};
+1
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@@ -42,6 +42,7 @@ int w_Image_setMipmapFilter(lua_State *L);
int w_Image_getMipmapFilter(lua_State *L);
int w_Image_setWrap(lua_State *L);
int w_Image_getWrap(lua_State *L);
int w_Image_isCompressed(lua_State *L);
extern "C" int luaopen_image(lua_State *L);
} // opengl
+127
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@@ -0,0 +1,127 @@
/**
* Copyright (c) 2006-2013 LOVE Development Team
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
* 3. This notice may not be removed or altered from any source distribution.
**/
#include "CompressedData.h"
namespace love
{
namespace image
{
CompressedData::CompressedData()
: type(TYPE_UNKNOWN)
{
}
CompressedData::~CompressedData()
{
}
int CompressedData::getSize() const
{
// Adding up the total size for all mipmap levels would make more sense, but
// it's probably better for getSize() to match getData() so no bad memory
// accesses happen...
if (dataImages.size() > 0)
return dataImages[0].size;
else
return 0;
}
void *CompressedData::getData() const
{
// Data for different mipmap levels is not stored contiguously in memory, so
// getData() won't work properly for CompressedData.
if (dataImages.size() > 0)
return (void *) &(dataImages[0].data[0]);
else
return 0;
}
int CompressedData::getNumMipmaps() const
{
return dataImages.size();
}
int CompressedData::getSize(int miplevel) const
{
checkMipmapLevelExists(miplevel);
return dataImages[miplevel].size;
}
void *CompressedData::getData(int miplevel) const
{
checkMipmapLevelExists(miplevel);
return (void *) &dataImages[miplevel].data[0];
}
int CompressedData::getWidth(int miplevel) const
{
checkMipmapLevelExists(miplevel);
return dataImages[miplevel].width;
}
int CompressedData::getHeight(int miplevel) const
{
checkMipmapLevelExists(miplevel);
return dataImages[miplevel].height;
}
CompressedData::TextureType CompressedData::getType() const
{
return type;
}
void CompressedData::checkMipmapLevelExists(int miplevel) const
{
if (miplevel < 0 || miplevel >= dataImages.size())
throw love::Exception("Mipmap level %d does not exist", miplevel);
}
bool CompressedData::getConstant(const char *in, CompressedData::TextureType &out)
{
return types.find(in, out);
}
bool CompressedData::getConstant(CompressedData::TextureType in, const char *&out)
{
return types.find(in, out);
}
StringMap<CompressedData::TextureType, CompressedData::TYPE_MAX_ENUM>::Entry CompressedData::typeEntries[] =
{
{"unknown", CompressedData::TYPE_UNKNOWN},
{"dxt1", CompressedData::TYPE_DXT1},
{"dxt3", CompressedData::TYPE_DXT3},
{"dxt5", CompressedData::TYPE_DXT5},
{"bc5", CompressedData::TYPE_BC5},
{"bc5s", CompressedData::TYPE_BC5s},
{"bc7", CompressedData::TYPE_BC7},
{"bc7srgb", CompressedData::TYPE_BC7srgb},
};
StringMap<CompressedData::TextureType, CompressedData::TYPE_MAX_ENUM> CompressedData::types(CompressedData::typeEntries, sizeof(CompressedData::typeEntries));
} // image
} // love
+132
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@@ -0,0 +1,132 @@
/**
* Copyright (c) 2006-2013 LOVE Development Team
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
* 3. This notice may not be removed or altered from any source distribution.
**/
#ifndef LOVE_IMAGE_COMPRESSED_DATA_H
#define LOVE_IMAGE_COMPRESSED_DATA_H
// LOVE
#include "common/Data.h"
#include "common/StringMap.h"
#include "thread/threads.h"
using love::thread::Mutex;
// STL
#include <vector>
namespace love
{
namespace image
{
// CompressedData represents image data which is designed to be uploaded to the
// GPU and rendered in its compressed form, without being un-compressed.
// http://renderingpipeline.com/2012/07/texture-compression/
class CompressedData : public Data
{
public:
// Types of compressed image data.
enum TextureType
{
TYPE_UNKNOWN,
TYPE_DXT1,
TYPE_DXT3,
TYPE_DXT5,
TYPE_BC5,
TYPE_BC5s,
TYPE_BC7,
TYPE_BC7srgb,
TYPE_MAX_ENUM
};
// Compressed image data can have multiple mipmap levels, each represented
// by a sub-image.
struct SubImage
{
int width, height;
size_t size;
std::vector<unsigned char> data;
};
CompressedData();
virtual ~CompressedData();
// Implements Data. Note that data for different mipmap levels is not always
// stored contiguously in memory, so getData() and getSize() don't make
// much sense. Use getData(miplevel) and getSize(mipleveL) instead.
virtual void *getData() const;
virtual int getSize() const;
/**
* Gets the number of mipmaps in this CompressedData.
* Includes the base image level.
**/
int getNumMipmaps() const;
/**
* Gets the size in bytes of a sub-image at the specified mipmap level.
**/
int getSize(int miplevel) const;
/**
* Gets the byte data of a sub-image at the specified mipmap level.
**/
void *getData(int miplevel) const;
/**
* Gets the width of a sub-image at the specified mipmap level.
**/
int getWidth(int miplevel) const;
/**
* Gets the height of a sub-image at the specified mipmap level.
**/
int getHeight(int miplevel) const;
/**
* Gets the type of the compressed data.
**/
TextureType getType() const;
static bool getConstant(const char *in, TextureType &out);
static bool getConstant(TextureType in, const char *&out);
protected:
TextureType type;
// Texture info for each mipmap level.
std::vector<SubImage> dataImages;
void checkMipmapLevelExists(int miplevel) const;
private:
static StringMap<TextureType, TYPE_MAX_ENUM>::Entry typeEntries[];
static StringMap<TextureType, TYPE_MAX_ENUM> types;
}; // CompressedData
} // image
} // love
#endif // LOVE_IMAGE_COMPRESSED_DATA_H
+21 -12
View File
@@ -26,6 +26,7 @@
#include "common/Module.h"
#include "filesystem/File.h"
#include "ImageData.h"
#include "CompressedData.h"
namespace love
{
@@ -34,8 +35,10 @@ namespace image
/**
* This module is responsible for decoding files such as PNG, GIF, JPEG
* into raw pixel data. This module does not know how to draw images on
* screen; only love.graphics knows that.
* into raw pixel data, as well as parsing compressed formats which are designed
* to be uploaded to the GPU and rendered without being un-compressed.
* This module does not know how to draw images on screen; only love.graphics
* knows that.
**/
class Image : public Module
{
@@ -47,18 +50,11 @@ public:
virtual ~Image() {};
/**
* Creates new ImageData from a file.
* @param file The file containing the encoded image data.
* Creates new ImageData from FileData.
* @param data The FileData containing the encoded image data.
* @return The new ImageData.
**/
virtual ImageData *newImageData(love::filesystem::File *file) = 0;
/**
* Creates new ImageData from a raw Data.
* @param data The object containing encoded pixel data.
* @return The new ImageData.
**/
virtual ImageData *newImageData(Data *data) = 0;
virtual ImageData *newImageData(love::filesystem::FileData *data) = 0;
/**
* Creates empty ImageData with the given size.
@@ -77,6 +73,19 @@ public:
**/
virtual ImageData *newImageData(int width, int height, void *data) = 0;
/**
* Creates new CompressedData from FileData.
* @param data The FileData containing the compressed image data.
* @return The new CompressedData.
**/
virtual CompressedData *newCompressedData(love::filesystem::FileData *data) = 0;
/**
* Determines whether a FileData is Compressed image data or not.
* @param data The FileData to test.
**/
virtual bool isCompressed(love::filesystem::FileData *data) = 0;
}; // Image
} // image
+8 -9
View File
@@ -20,8 +20,6 @@
#include "ImageData.h"
#include <stdio.h>
using love::thread::Lock;
namespace love
@@ -30,6 +28,7 @@ namespace image
{
ImageData::ImageData()
: data(0)
{
mutex = thread::newMutex();
}
@@ -39,14 +38,19 @@ ImageData::~ImageData()
delete mutex;
}
int ImageData::getSize() const
{
return getWidth()*getHeight()*sizeof(pixel);
}
void *ImageData::getData() const
{
return data;
}
int ImageData::getSize() const
bool ImageData::inside(int x, int y) const
{
return getWidth()*getHeight()*sizeof(pixel);
return x >= 0 && x < getWidth() && y >= 0 && y < getHeight();
}
int ImageData::getWidth() const
@@ -59,11 +63,6 @@ int ImageData::getHeight() const
return height;
}
bool ImageData::inside(int x, int y) const
{
return x >= 0 && x < getWidth() && y >= 0 && y < getHeight();
}
void ImageData::setPixel(int x, int y, pixel c)
{
if (!inside(x, y))
+19 -18
View File
@@ -45,22 +45,6 @@ struct pixel
**/
class ImageData : public Data
{
protected:
// The width of the image data.
int width;
// The height of the image data.
int height;
// The actual data.
unsigned char *data;
// We need to be thread-safe
// so we lock when we're accessing our
// data
Mutex *mutex;
public:
enum Format
@@ -137,10 +121,27 @@ public:
virtual void encode(love::filesystem::File *f, Format format) = 0;
// Implements Data.
void *getData() const;
int getSize() const;
virtual void *getData() const;
virtual int getSize() const;
protected:
// The width of the image data.
int width;
// The height of the image data.
int height;
// The actual data.
unsigned char *data;
// We need to be thread-safe
// so we lock when we're accessing our
// data
Mutex *mutex;
private:
static StringMap<Format, FORMAT_MAX_ENUM>::Entry formatEntries[];
static StringMap<Format, FORMAT_MAX_ENUM> formats;
@@ -0,0 +1,70 @@
/**
* Copyright (c) 2006-2013 LOVE Development Team
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
* 3. This notice may not be removed or altered from any source distribution.
**/
#include "CompressedData.h"
#include "ddsHandler.h"
namespace love
{
namespace image
{
namespace magpie
{
CompressedData::CompressedData(love::filesystem::FileData *data)
{
load(data);
}
CompressedData::~CompressedData()
{
}
void CompressedData::load(love::filesystem::FileData *data)
{
// SubImage vector will be populated by a parser.
std::vector<SubImage> parsedimages;
TextureType textype = TYPE_UNKNOWN;
if (ddsHandler::canParse(data))
textype = ddsHandler::parse(data, parsedimages);
if (textype == TYPE_UNKNOWN)
throw love::Exception("Could not parse compressed data: Unknown format.");
if (parsedimages.size() == 0)
throw love::Exception("Could not parse compressed data: No valid data?");
dataImages = parsedimages;
type = textype;
}
bool CompressedData::isCompressed(love::filesystem::FileData *data)
{
if (ddsHandler::canParse(data))
return true;
return false;
}
} // magpie
} // image
} // love
+54
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@@ -0,0 +1,54 @@
/**
* Copyright (c) 2006-2013 LOVE Development Team
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
* 3. This notice may not be removed or altered from any source distribution.
**/
#ifndef LOVE_IMAGE_MAGPIE_COMPRESSED_DATA_H
#define LOVE_IMAGE_MAGPIE_COMPRESSED_DATA_H
// LOVE
#include "filesystem/FileData.h"
#include "image/CompressedData.h"
namespace love
{
namespace image
{
namespace magpie
{
class CompressedData : public love::image::CompressedData
{
public:
CompressedData(love::filesystem::FileData *data);
virtual ~CompressedData();
static bool isCompressed(love::filesystem::FileData *data);
private:
void load(love::filesystem::FileData *data);
}; // CompressedData
} // magpie
} // image
} // love
#endif // LOVE_IMAGE_MAGPIE_COMPRESSED_DATA_H
@@ -18,16 +18,15 @@
* 3. This notice may not be removed or altered from any source distribution.
**/
#include "ImageData.h"
// STD
#include <cstring>
#include <iostream>
#include "DevilHandler.h"
// LOVE
#include "common/Exception.h"
#include "common/math.h"
#include "filesystem/File.h"
#include "thread/threads.h"
// DevIL
#include <IL/il.h>
using love::thread::Lock;
@@ -37,7 +36,7 @@ namespace love
{
namespace image
{
namespace devil
namespace magpie
{
static inline void ilxClearErrors()
@@ -45,81 +44,61 @@ static inline void ilxClearErrors()
while (ilGetError() != IL_NO_ERROR);
}
ImageData::ImageData(Data *data)
void DevilHandler::init()
{
load(data);
ilInit();
ilEnable(IL_ORIGIN_SET);
ilOriginFunc(IL_ORIGIN_UPPER_LEFT);
}
ImageData::ImageData(filesystem::File *file)
void DevilHandler::quit()
{
Data *data = file->read();
try
ilShutDown();
}
bool DevilHandler::canDecode(love::filesystem::FileData *data)
{
// DevIL can decode a lot of formats...
return true;
}
bool DevilHandler::canEncode(ImageData::Format format)
{
switch (format)
{
load(data);
}
catch (love::Exception &)
{
data->release();
throw;
}
data->release();
}
ImageData::ImageData(int width, int height)
{
this->width = width;
this->height = height;
create(width, height);
// Set to black.
memset(data, 0, width*height*4);
}
ImageData::ImageData(int width, int height, void *data)
{
this->width = width;
this->height = height;
create(width, height, data);
}
ImageData::~ImageData()
{
delete[] data;
}
void ImageData::create(int width, int height, void *data)
{
try
{
this->data = new unsigned char[width*height*sizeof(pixel)];
}
catch(std::bad_alloc &)
{
throw love::Exception("Out of memory");
case ImageData::FORMAT_BMP:
case ImageData::FORMAT_TGA:
case ImageData::FORMAT_JPG:
case ImageData::FORMAT_PNG:
return true;
default:
return false;
}
if (data)
memcpy(this->data, data, width*height*sizeof(pixel));
return false;
}
void ImageData::load(Data *data)
DevilHandler::DecodedImage DevilHandler::decode(love::filesystem::FileData *data)
{
if (!devilMutex)
devilMutex = thread::newMutex();
Lock lock(devilMutex);
ILuint image = ilGenImage();
ilBindImage(image);
DecodedImage img;
try
{
bool success = IL_TRUE == ilLoadL(IL_TYPE_UNKNOWN, (void *)data->getData(), data->getSize());
bool success = ilLoadL(IL_TYPE_UNKNOWN, (void *)data->getData(), data->getSize()) == IL_TRUE;
if (!success)
throw love::Exception("Could not decode image!");
width = ilGetInteger(IL_IMAGE_WIDTH);
height = ilGetInteger(IL_IMAGE_HEIGHT);
img.width = ilGetInteger(IL_IMAGE_WIDTH);
img.height = ilGetInteger(IL_IMAGE_HEIGHT);
// Make sure the image is in RGBA format.
ilConvertImage(IL_RGBA, IL_UNSIGNED_BYTE);
@@ -129,7 +108,18 @@ void ImageData::load(Data *data)
if (bpp != sizeof(pixel))
throw love::Exception("Could not convert image!");
create(width, height, ilGetData());
img.size = ilGetInteger(IL_IMAGE_SIZE_OF_DATA);
try
{
img.data = new ILubyte[img.size];
}
catch (std::bad_alloc &)
{
throw love::Exception("Out of memory.");
}
memcpy(img.data, ilGetData(), img.size);
}
catch (std::exception &e)
{
@@ -139,25 +129,26 @@ void ImageData::load(Data *data)
}
ilDeleteImage(image);
return img;
}
void ImageData::encode(love::filesystem::File *f, ImageData::Format format)
DevilHandler::EncodedImage DevilHandler::encode(const DecodedImage &img, ImageData::Format format)
{
if (!devilMutex)
devilMutex = thread::newMutex();
Lock lock1(devilMutex);
Lock lock2(mutex);
Lock lock(devilMutex);
ILuint tempimage = ilGenImage();
ilBindImage(tempimage);
ilxClearErrors();
ILubyte *encoded_data = NULL;
EncodedImage encodedimage;
try
{
bool success = IL_TRUE == ilTexImage(width, height, 1, sizeof(pixel), IL_RGBA, IL_UNSIGNED_BYTE, this->data);
bool success = ilTexImage(img.width, img.height, 1, sizeof(pixel), IL_RGBA, IL_UNSIGNED_BYTE, img.data) == IL_TRUE;
ILenum err = ilGetError();
ilxClearErrors();
@@ -202,37 +193,34 @@ void ImageData::encode(love::filesystem::File *f, ImageData::Format format)
break;
}
ILuint size = ilSaveL(ilFormat, NULL, 0);
if (!size)
encodedimage.size = ilSaveL(ilFormat, NULL, 0);
if (!encodedimage.size)
throw love::Exception("Could not encode image!");
try
{
encoded_data = new ILubyte[size];
encodedimage.data = new ILubyte[encodedimage.size];
}
catch(std::bad_alloc &)
{
throw love::Exception("Out of memory");
}
ilSaveL(ilFormat, encoded_data, size);
f->open(love::filesystem::File::WRITE);
f->write(encoded_data, size);
f->close();
ilSaveL(ilFormat, encodedimage.data, encodedimage.size);
}
catch (std::exception &e)
{
// catches love and std exceptions
ilDeleteImage(tempimage);
delete[] encoded_data;
delete[] encodedimage.data;
throw love::Exception("%s", e.what());
}
ilDeleteImage(tempimage);
delete[] encoded_data;
return encodedimage;
}
} // devil
} // magpie
} // image
} // love
+59
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@@ -0,0 +1,59 @@
/**
* Copyright (c) 2006-2013 LOVE Development Team
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
* 3. This notice may not be removed or altered from any source distribution.
**/
#ifndef LOVE_IMAGE_MAGPIE_DEVIL_HANDLER_H
#define LOVE_IMAGE_MAGPIE_DEVIL_HANDLER_H
// LOVE
#include "filesystem/FileData.h"
#include "FormatHandler.h"
namespace love
{
namespace image
{
namespace magpie
{
/**
* Interface between ImageData and DevIL.
**/
class DevilHandler : public FormatHandler
{
public:
static void init();
static void quit();
// Implements FormatHandler.
static bool canDecode(love::filesystem::FileData *data);
static bool canEncode(ImageData::Format format);
static DecodedImage decode(love::filesystem::FileData *data);
static EncodedImage encode(const DecodedImage &img, ImageData::Format format);
}; // DevilHandler
} // magpie
} // image
} // love
#endif // LOVE_IMAGE_MAGPIE_DEVIL_HANDLER_H
+94
View File
@@ -0,0 +1,94 @@
/**
* Copyright (c) 2006-2013 LOVE Development Team
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
* 3. This notice may not be removed or altered from any source distribution.
**/
#ifndef LOVE_IMAGE_MAGPIE_FORMAT_HANDLER_H
#define LOVE_IMAGE_MAGPIE_FORMAT_HANDLER_H
// LOVE
#include "image/ImageData.h"
#include "filesystem/FileData.h"
namespace love
{
namespace image
{
namespace magpie
{
/**
* Base class for all ImageData encoder/decoder library interfaces.
**/
class FormatHandler
{
public:
// Raw RGBA pixel data.
struct DecodedImage
{
int width, height;
size_t size;
unsigned char *data;
DecodedImage() : width(0), height(0), size(0), data(0) {};
};
// Pixel data encoded in a particular format.
struct EncodedImage
{
size_t size;
unsigned char *data;
EncodedImage() : size(0), data(0) {};
};
// Lets pretend we have virtual static methods...
/**
* Determines whether a particular FileData can be decoded by this handler.
* @param data The data to decode.
**/
// virtual static bool canDecode(love::filesystem::FileData *data) = 0;
/**
* Determines whether this handler can encode to a particular format.
* @param format The format to encode to.
**/
// virtual static bool canEncode(ImageData::Format format) = 0;
/**
* Decodes an image from its encoded form into raw pixel data.
* @param data The encoded data to decode.
* @return The decoded pixel data.
**/
// virtual static DecodedImage decode(love::filesystem::FileData *data) = 0;
/**
* Encodes an image from raw pixel data into a particular format.
* @param img The raw image data to encode.
* @param format The format to encode to.
* @return The encoded image data.
**/
// virtual static EncodedImage encode(const DecodedImage &img, ImageData::Format format) = 0;
}; // FormatHandler
} // magpie
} // image
} // love
#endif // LOVE_IMAGE_MAGPIE_FORMAT_HANDLER_H
@@ -20,41 +20,34 @@
#include "Image.h"
#include "ImageData.h"
#include "imageData.h"
#include "CompressedData.h"
// DevIL
#include <IL/il.h>
#include "DevilHandler.h"
namespace love
{
namespace image
{
namespace devil
namespace magpie
{
Image::Image()
{
ilInit();
ilOriginFunc(IL_ORIGIN_UPPER_LEFT);
ilEnable(IL_ORIGIN_SET);
DevilHandler::init();
}
Image::~Image()
{
ilShutDown();
DevilHandler::quit();
}
const char *Image::getName() const
{
return "love.image.devil";
return "love.image.magpie";
}
love::image::ImageData *Image::newImageData(love::filesystem::File *file)
{
return new ImageData(file);
}
love::image::ImageData *Image::newImageData(Data *data)
love::image::ImageData *Image::newImageData(love::filesystem::FileData *data)
{
return new ImageData(data);
}
@@ -69,6 +62,16 @@ love::image::ImageData *Image::newImageData(int width, int height, void *data)
return new ImageData(width, height, data);
}
} // devil
love::image::CompressedData *Image::newCompressedData(love::filesystem::FileData *data)
{
return new CompressedData(data);
}
bool Image::isCompressed(love::filesystem::FileData *data)
{
return CompressedData::isCompressed(data);
}
} // magpie
} // image
} // love
@@ -18,8 +18,8 @@
* 3. This notice may not be removed or altered from any source distribution.
**/
#ifndef LOVE_IMAGE_DEVIL_IMAGE_H
#define LOVE_IMAGE_DEVIL_IMAGE_H
#ifndef LOVE_IMAGE_MAGPIE_IMAGE_H
#define LOVE_IMAGE_MAGPIE_IMAGE_H
// LOVE
#include "image/Image.h"
@@ -28,9 +28,14 @@ namespace love
{
namespace image
{
namespace devil
namespace magpie
{
/**
* Similar to love.sound's Lullaby module, love.image.magpie interfaces with
* multiple image libraries and determines the correct one to use on a
* per-image basis at runtime.
**/
class Image : public love::image::Image
{
public:
@@ -41,15 +46,18 @@ public:
// Implements Module.
const char *getName() const;
love::image::ImageData *newImageData(love::filesystem::File *file);
love::image::ImageData *newImageData(Data *data);
love::image::ImageData *newImageData(love::filesystem::FileData *data);
love::image::ImageData *newImageData(int width, int height);
love::image::ImageData *newImageData(int width, int height, void *data);
love::image::CompressedData *newCompressedData(love::filesystem::FileData *data);
bool isCompressed(love::filesystem::FileData *data);
}; // Image
} // devil
} // magpie
} // image
} // love
#endif // LOVE_IMAGE_DEVIL_IMAGE_H
#endif // LOVE_IMAGE_MAGPIE_IMAGE_H
+133
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@@ -0,0 +1,133 @@
/**
* Copyright (c) 2006-2013 LOVE Development Team
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
* 3. This notice may not be removed or altered from any source distribution.
**/
#include "ImageData.h"
#include "FormatHandler.h"
#include "DevilHandler.h"
namespace love
{
namespace image
{
namespace magpie
{
ImageData::ImageData(love::filesystem::FileData *data)
{
decode(data);
}
ImageData::ImageData(int width, int height)
{
this->width = width;
this->height = height;
create(width, height);
// Set to black/transparency.
memset(data, 0, width*height*sizeof(pixel));
}
ImageData::ImageData(int width, int height, void *data)
{
this->width = width;
this->height = height;
create(width, height, data);
}
ImageData::~ImageData()
{
delete[] data;
}
void ImageData::create(int width, int height, void *data)
{
try
{
this->data = new unsigned char[width*height*sizeof(pixel)];
}
catch(std::bad_alloc &)
{
throw love::Exception("Out of memory");
}
if (data)
memcpy(this->data, data, width*height*sizeof(pixel));
}
void ImageData::decode(love::filesystem::FileData *data)
{
FormatHandler::DecodedImage decodedimage;
if (DevilHandler::canDecode(data))
decodedimage = DevilHandler::decode(data);
else
throw love::Exception("Could not decode image: unrecognized format.");
// The decoder *must* output a 32 bits-per-pixel image.
if (decodedimage.size != decodedimage.width*decodedimage.height*sizeof(pixel))
{
delete[] decodedimage.data;
throw love::Exception("Coult not convert image!");
}
if (this->data)
delete[] this->data;
this->width = decodedimage.width;
this->height = decodedimage.height;
this->data = decodedimage.data;
}
void ImageData::encode(love::filesystem::File *f, ImageData::Format format)
{
thread::Lock lock(mutex);
FormatHandler::DecodedImage rawimage;
rawimage.width = width;
rawimage.height = height;
rawimage.size = width*height*sizeof(pixel);
rawimage.data = data;
FormatHandler::EncodedImage encodedimage;
try
{
if (DevilHandler::canEncode(format))
encodedimage = DevilHandler::encode(rawimage, format);
else
throw love::Exception("Image format has no suitable encoder.");
f->open(love::filesystem::File::WRITE);
f->write(encodedimage.data, encodedimage.size);
f->close();
}
catch (love::Exception &)
{
delete[] encodedimage.data;
throw;
}
delete[] encodedimage.data;
}
} // magpie
} // image
} // love
@@ -18,49 +18,44 @@
* 3. This notice may not be removed or altered from any source distribution.
**/
#ifndef LOVE_DEVIL_IMAGE_DATA_H
#define LOVE_DEVIL_IMAGE_DATA_H
#ifndef LOVE_IMAGE_MAGPIE_IMAGE_DATA_H
#define LOVE_IMAGE_MAGPIE_IMAGE_DATA_H
// LOVE
#include "filesystem/File.h"
#include "image/ImageData.h"
// DevIL
#include <IL/il.h>
namespace love
{
namespace image
{
namespace devil
namespace magpie
{
class ImageData : public love::image::ImageData
{
public:
ImageData(love::filesystem::FileData *data);
ImageData(int width, int height);
ImageData(int width, int height, void *data);
virtual ~ImageData();
// Implements image::ImageData.
virtual void encode(love::filesystem::File *f, ImageData::Format format);
private:
// Create imagedata. Initialize with data if not null.
void create(int width, int height, void *data = 0);
// Load an encoded format.
void load(Data *data);
public:
ImageData(Data *data);
ImageData(love::filesystem::File *file);
ImageData(int width, int height);
ImageData(int width, int height, void *data);
virtual ~ImageData();
// Implements ImageData.
void encode(love::filesystem::File *f, Format format);
// Decode and load an encoded format.
void decode(love::filesystem::FileData *data);
}; // ImageData
} // devil
} // magpie
} // image
} // love
#endif // LOVE_DEVIL_IMAGE_DATA_H
#endif // LOVE_IMAGE_MAGPIE_IMAGE_DATA_H
+106
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@@ -0,0 +1,106 @@
/**
* Copyright (c) 2006-2013 LOVE Development Team
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
* 3. This notice may not be removed or altered from any source distribution.
**/
#include "ddsHandler.h"
namespace love
{
namespace image
{
namespace magpie
{
bool ddsHandler::canParse(const filesystem::FileData *data)
{
if (data->getExtension().compare("dds") != 0)
return false;
return dds::Parser::isCompressedDDS(data->getData(), data->getSize());
}
CompressedData::TextureType ddsHandler::parse(filesystem::FileData *data, std::vector<CompressedData::SubImage> &images)
{
if (!dds::Parser::isDDS(data->getData(), data->getSize()))
throw love::Exception("Could not decode compressed data (not a DDS file?)");
CompressedData::TextureType textype = CompressedData::TYPE_UNKNOWN;
try
{
dds::Parser parser(data->getData(), data->getSize());
textype = convertFormat(parser.getFormat());
if (textype == CompressedData::TYPE_UNKNOWN)
throw love::Exception("Could not parse compressed data: Unsupported format.");
if (parser.getNumMipmaps() == 0)
throw love::Exception("Could not parse compressed data: No readable texture data.");
for (size_t i = 0; i < parser.getNumMipmaps(); i++)
{
const dds::Parser::Image *img = parser.getImageData(i);
CompressedData::SubImage mip;
mip.width = img->width;
mip.height = img->height;
mip.size = img->dataSize;
mip.data.insert(mip.data.begin(), &img->data[0], &img->data[mip.size]);
images.push_back(mip);
}
}
catch (std::exception &e)
{
throw love::Exception(e.what());
}
return textype;
}
CompressedData::TextureType ddsHandler::convertFormat(dds::Format ddsformat)
{
switch (ddsformat)
{
case dds::FORMAT_DXT1:
return CompressedData::TYPE_DXT1;
case dds::FORMAT_DXT3:
return CompressedData::TYPE_DXT3;
case dds::FORMAT_DXT5:
return CompressedData::TYPE_DXT5;
case dds::FORMAT_BC5:
return CompressedData::TYPE_BC5;
case dds::FORMAT_BC5s:
return CompressedData::TYPE_BC5s;
case dds::FORMAT_BC7:
return CompressedData::TYPE_BC7;
case dds::FORMAT_BC7srgb:
return CompressedData::TYPE_BC7srgb;
default:
return CompressedData::TYPE_UNKNOWN;
}
return CompressedData::TYPE_UNKNOWN;
}
} // magpie
} // image
} // love
+74
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@@ -0,0 +1,74 @@
/**
* Copyright (c) 2006-2013 LOVE Development Team
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
* 3. This notice may not be removed or altered from any source distribution.
**/
#ifndef LOVE_IMAGE_MAGPIE_DDS_HANDLER_H
#define LOVE_IMAGE_MAGPIE_DDS_HANDLER_H
// LOVE
#include "filesystem/FileData.h"
#include "image/CompressedData.h"
// dds parser
#include "ddsparse/ddsparse.h"
// STL
#include <string>
namespace love
{
namespace image
{
namespace magpie
{
/**
* Interface between CompressedData and the ddsparse library.
**/
class ddsHandler
{
public:
/**
* Determines whether a particular FileData can be parsed as CompressedData
* by this handler.
* @param data The data to parse.
**/
static bool canParse(const filesystem::FileData *data);
/**
* Parses Compressed image data into a list of sub-images.
* @param[in] data The data to parse.
* @param[out] images The list of sub-images (including byte data for each)
* parsed from the file data.
* @return The type of CompressedData.
**/
static CompressedData::TextureType parse(filesystem::FileData *data, std::vector<CompressedData::SubImage> &images);
private:
static CompressedData::TextureType convertFormat(dds::Format ddsformat);
}; // ddsHandler
} // magpie
} // image
} // love
#endif // LOVE_IMAGE_MAGPIE_DDS_HANDLER_H
+129
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@@ -0,0 +1,129 @@
/**
* Copyright (c) 2006-2013 LOVE Development Team
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
* 3. This notice may not be removed or altered from any source distribution.
**/
#include "wrap_CompressedData.h"
#include "common/wrap_Data.h"
namespace love
{
namespace image
{
CompressedData *luax_checkcompresseddata(lua_State *L, int idx)
{
return luax_checktype<CompressedData>(L, idx, "CompressedData", IMAGE_COMPRESSED_DATA_T);
}
int w_CompressedData_getWidth(lua_State *L)
{
CompressedData *t = luax_checkcompresseddata(L, 1);
int miplevel = luaL_optinteger(L, 2, 1);
int width = 0;
try
{
width = t->getWidth(miplevel >= 1 ? miplevel - 1 : 0);
}
catch (love::Exception &e)
{
return luaL_error(L, "%s", e.what());
}
lua_pushinteger(L, width);
return 1;
}
int w_CompressedData_getHeight(lua_State *L)
{
CompressedData *t = luax_checkcompresseddata(L, 1);
int miplevel = luaL_optinteger(L, 2, 1);
int height = 0;
try
{
height = t->getHeight(miplevel >= 1 ? miplevel - 1 : 0);
}
catch (love::Exception &e)
{
return luaL_error(L, "%s", e.what());
}
lua_pushinteger(L, height);
return 1;
}
int w_CompressedData_getDimensions(lua_State *L)
{
CompressedData *t = luax_checkcompresseddata(L, 1);
int miplevel = luaL_optinteger(L, 2, 1);
int width = 0, height = 0;
try
{
width = t->getWidth(miplevel >= 1 ? miplevel - 1 : 0);
height = t->getHeight(miplevel >= 1 ? miplevel - 1 : 0);
}
catch (love::Exception &e)
{
return luaL_error(L, "%s", e.what());
}
lua_pushinteger(L, width);
lua_pushinteger(L, height);
return 2;
}
int w_CompressedData_getNumMipmaps(lua_State *L)
{
CompressedData *t = luax_checkcompresseddata(L, 1);
lua_pushinteger(L, t->getNumMipmaps());
return 1;
}
int w_CompressedData_getType(lua_State *L)
{
CompressedData *t = luax_checkcompresseddata(L, 1);
image::CompressedData::TextureType type = t->getType();
const char *str;
if (image::CompressedData::getConstant(type, str))
lua_pushstring(L, str);
else
lua_pushstring(L, "unknown");
return 1;
}
static const luaL_Reg functions[] =
{
// Data
// { "getPointer", w_Data_getPointer },
{ "getSize", w_Data_getSize },
{ "getWidth", w_CompressedData_getWidth },
{ "getHeight", w_CompressedData_getHeight },
{ "getDimensions", w_CompressedData_getDimensions },
{ "getNumMipmaps", w_CompressedData_getNumMipmaps },
{ "getType", w_CompressedData_getType },
{ 0, 0 },
};
extern "C" int luaopen_compresseddata(lua_State *L)
{
return luax_register_type(L, "CompressedData", functions);
}
} // image
} // love
+44
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@@ -0,0 +1,44 @@
/**
* Copyright (c) 2006-2013 LOVE Development Team
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
* 3. This notice may not be removed or altered from any source distribution.
**/
#ifndef LOVE_IMAGE_WRAP_COMRESSED_DATA_H
#define LOVE_IMAGE_WRAP_COMRESSED_DATA_H
// LOVE
#include "common/runtime.h"
#include "CompressedData.h"
namespace love
{
namespace image
{
CompressedData *luax_checkcompresseddata(lua_State *L, int idx);
int w_CompressedData_getWidth(lua_State *L);
int w_CompressedData_getHeight(lua_State *L);
int w_CompressedData_getDimensions(lua_State *L);
int w_CompressedData_getNumMipmaps(lua_State *L);
int w_CompressedData_getType(lua_State *L);
extern "C" int luaopen_compresseddata(lua_State *L);
} // image
} // love
#endif // LOVE_IMAGE_WRAP_COMRESSED_DATA_H
+58 -26
View File
@@ -23,7 +23,7 @@
#include "common/Data.h"
#include "common/StringMap.h"
#include "devil/Image.h"
#include "magpie/Image.h"
namespace love
{
@@ -55,41 +55,70 @@ int w_newImageData(lua_State *L)
return 1;
}
// Case 2: Data
if (luax_istype(L, 1, DATA_T))
{
Data *d = luax_checktype<Data>(L, 1, "Data", DATA_T);
ImageData *t = 0;
try
{
t = instance->newImageData(d);
}
catch(love::Exception &e)
{
return luaL_error(L, "%s", e.what());
}
luax_newtype(L, "ImageData", IMAGE_IMAGE_DATA_T, (void *)t);
return 1;
}
// Case 2: File(Data).
// Case 3: String/File.
// Convert to FileData, if necessary.
if (lua_isstring(L, 1) || luax_istype(L, 1, FILESYSTEM_FILE_T))
luax_convobj(L, 1, "filesystem", "newFileData");
// Convert to File, if necessary.
if (lua_isstring(L, 1))
luax_convobj(L, 1, "filesystem", "newFile");
love::filesystem::File *file = luax_checktype<love::filesystem::File>(L, 1, "File", FILESYSTEM_FILE_T);
love::filesystem::FileData *data = luax_checktype<love::filesystem::FileData>(L, 1, "FileData", FILESYSTEM_FILE_DATA_T);
ImageData *t = 0;
try
{
t = instance->newImageData(file);
t = instance->newImageData(data);
}
catch (love::Exception &e)
{
return luaL_error(L, "%s", e.what());
}
luax_newtype(L, "ImageData", IMAGE_IMAGE_DATA_T, (void *) t);
return 1;
}
int w_newCompressedData(lua_State *L)
{
// Convert to FileData, if necessary.
if (lua_isstring(L, 1) || luax_istype(L, 1, FILESYSTEM_FILE_T))
luax_convobj(L, 1, "filesystem", "newFileData");
love::filesystem::FileData *data = luax_checktype<love::filesystem::FileData>(L, 1, "FileData", FILESYSTEM_FILE_DATA_T);
CompressedData *t = 0;
try
{
t = instance->newCompressedData(data);
}
catch(love::Exception &e)
{
return luaL_error(L, "%s", e.what());
}
luax_newtype(L, "ImageData", IMAGE_IMAGE_DATA_T, (void *)t);
luax_newtype(L, "CompressedData", IMAGE_COMPRESSED_DATA_T, (void *) t);
return 1;
}
int w_isCompressed(lua_State *L)
{
// Convert to FileData, if necessary.
if (lua_isstring(L, 1) || luax_istype(L, 1, FILESYSTEM_FILE_T))
luax_convobj(L, 1, "filesystem", "newFileData");
love::filesystem::FileData *data = luax_checktype<love::filesystem::FileData>(L, 1, "FileData", FILESYSTEM_FILE_DATA_T);
bool compressed = false;
try
{
compressed = instance->isCompressed(data);
}
catch (love::Exception &e)
{
return luaL_error(L, "%s", e.what());
}
luax_pushboolean(L, compressed);
return 1;
}
@@ -97,12 +126,15 @@ int w_newImageData(lua_State *L)
static const luaL_Reg functions[] =
{
{ "newImageData", w_newImageData },
{ "newCompressedData", w_newCompressedData },
{ "isCompressed", w_isCompressed },
{ 0, 0 }
};
static const lua_CFunction types[] =
{
luaopen_imagedata,
luaopen_compresseddata,
0
};
@@ -112,7 +144,7 @@ extern "C" int luaopen_love_image(lua_State *L)
{
try
{
instance = new love::image::devil::Image();
instance = new love::image::magpie::Image();
}
catch(Exception &e)
{
+3 -1
View File
@@ -24,14 +24,16 @@
// LOVE
#include "Image.h"
#include "wrap_ImageData.h"
#include "wrap_CompressedData.h"
namespace love
{
namespace image
{
int w_getFormats(lua_State *L);
int w_newImageData(lua_State *L);
int w_newCompressedData(lua_State *L);
int w_isCompressed(lua_State *L);
extern "C" LOVE_EXPORT int luaopen_love_image(lua_State *L);
} // image
+1 -1
View File
@@ -191,7 +191,7 @@ int w_ImageData_encode(lua_State *L)
static const luaL_Reg functions[] =
{
// Data
{ "getPointer", w_Data_getPointer },
// { "getPointer", w_Data_getPointer },
{ "getSize", w_Data_getSize },
{ "getWidth", w_ImageData_getWidth },
+1 -1
View File
@@ -88,7 +88,7 @@ static const luaL_Reg functions[] =
{
// Data
{ "getPointer", w_Data_getPointer },
// { "getPointer", w_Data_getPointer },
{ "getSize", w_Data_getSize },
{ "getChannels", w_SoundData_getChannels },