FileDefinesPVR.h#

↰ Parent directory (textureio)
Defines used by the PVR reader.
Includes#

cstdint
Included By#

TextureReaderPVR.h
Namespaces#

Classes#

Enums#

Variables#

Source Code##pragma once

#include <cstdint>
namespace pvr {
namespace texture_legacy {
struct HeaderV1
{
    uint32_t headerSize;
    uint32_t height;
    uint32_t width;
    uint32_t numMipMaps;
    uint32_t pixelFormatAndFlags;
    uint32_t dataSize;
    uint32_t bitCount;
    uint32_t redBitMask;
    uint32_t greenBitMask;
    uint32_t blueBitMask;
    uint32_t alphaBitMask;
};

struct HeaderV2 : public HeaderV1
{
    uint32_t pvrMagic;
    uint32_t numSurfaces;
};

enum PixelFormat
{
    // MGL Formats
    MGL_ARGB_4444 = 0x00,
    MGL_ARGB_1555,
    MGL_RGB_565,
    MGL_RGB_555,
    MGL_RGB_888,
    MGL_ARGB_8888,
    MGL_ARGB_8332,
    MGL_I_8,
    MGL_AI_88,
    MGL_1_BPP,
    MGL_VY1UY0,
    MGL_Y1VY0U,
    MGL_PVRTC2,
    MGL_PVRTC4,

    // openGL Formats
    GL_RGBA_4444 = 0x10,
    GL_RGBA_5551,
    GL_RGBA_8888,
    GL_RGB_565,
    GL_RGB_555,
    GL_RGB_888,
    GL_I_8,
    GL_AI_88,
    GL_PVRTC2,
    GL_PVRTC4,
    GL_BGRA_8888,
    GL_A_8,
    GL_PVRTCII4,
    GL_PVRTCII2,

    // DirectX 9 and Earlier Formats
    D3D_DXT1 = 0x20,
    D3D_DXT2,
    D3D_DXT3,
    D3D_DXT4,
    D3D_DXT5,
    D3D_RGB_332,
    D3D_AL_44,
    D3D_LVU_655,
    D3D_XLVU_8888,
    D3D_QWVU_8888,
    D3D_ABGR_2101010,
    D3D_ARGB_2101010,
    D3D_AWVU_2101010,
    D3D_GR_1616,
    D3D_VU_1616,
    D3D_ABGR_16161616,
    D3D_R16F,
    D3D_GR_1616F,
    D3D_ABGR_16161616F,
    D3D_R32F,
    D3D_GR_3232F,
    D3D_ABGR_32323232F,

    // Ericsson Texture Compression formats
    e_etc_RGB_4BPP,

    // More DirectX 9 Formats
    D3D_A8 = 0x40,
    D3D_V8U8,
    D3D_L16,
    D3D_L8,
    D3D_AL_88,
    D3D_UYVY,
    D3D_YUY2,

    // DirectX 10+ Formats
    DXGI_R32G32B32A32_FLOAT = 0x50,
    DXGI_R32G32B32A32_UINT,
    DXGI_R32G32B32A32_SINT,
    DXGI_R32G32B32_FLOAT,
    DXGI_R32G32B32_UINT,
    DXGI_R32G32B32_SINT,
    DXGI_R16G16B16A16_FLOAT,
    DXGI_R16G16B16A16_UNORM,
    DXGI_R16G16B16A16_UINT,
    DXGI_R16G16B16A16_SNORM,
    DXGI_R16G16B16A16_SINT,
    DXGI_R32G32_FLOAT,
    DXGI_R32G32_UINT,
    DXGI_R32G32_SINT,
    DXGI_R10G10B10A2_UNORM,
    DXGI_R10G10B10A2_UINT,
    DXGI_R11G11B10_FLOAT,
    DXGI_R8G8B8A8_UNORM,
    DXGI_R8G8B8A8_UNORM_SRGB,
    DXGI_R8G8B8A8_UINT,
    DXGI_R8G8B8A8_SNORM,
    DXGI_R8G8B8A8_SINT,
    DXGI_R16G16_FLOAT,
    DXGI_R16G16_UNORM,
    DXGI_R16G16_UINT,
    DXGI_R16G16_SNORM,
    DXGI_R16G16_SINT,
    DXGI_R32_FLOAT,
    DXGI_R32_UINT,
    DXGI_R32_SINT,
    DXGI_R8G8_UNORM,
    DXGI_R8G8_UINT,
    DXGI_R8G8_SNORM,
    DXGI_R8G8_SINT,
    DXGI_R16_FLOAT,
    DXGI_R16_UNORM,
    DXGI_R16_UINT,
    DXGI_R16_SNORM,
    DXGI_R16_SINT,
    DXGI_R8_UNORM,
    DXGI_R8_UINT,
    DXGI_R8_SNORM,
    DXGI_R8_SINT,
    DXGI_A8_UNORM,
    DXGI_R1_UNORM,
    DXGI_R9G9B9E5_SHAREDEXP,
    DXGI_R8G8_B8G8_UNORM,
    DXGI_G8R8_G8B8_UNORM,
    DXGI_BC1_UNORM,
    DXGI_BC1_UNORM_SRGB,
    DXGI_BC2_UNORM,
    DXGI_BC2_UNORM_SRGB,
    DXGI_BC3_UNORM,
    DXGI_BC3_UNORM_SRGB,
    DXGI_BC4_UNORM, // unimplemented
    DXGI_BC4_SNORM, // unimplemented
    DXGI_BC5_UNORM, // unimplemented
    DXGI_BC5_SNORM, // unimplemented

    // openVG
    VG_sRGBX_8888 = 0x90,
    VG_sRGBA_8888,
    VG_sRGBA_8888_PRE,
    VG_sRGB_565,
    VG_sRGBA_5551,
    VG_sRGBA_4444,
    VG_sL_8,
    VG_lRGBX_8888,
    VG_lRGBA_8888,
    VG_lRGBA_8888_PRE,
    VG_lL_8,
    VG_A_8,
    VG_BW_1,
    VG_sXRGB_8888,
    VG_sARGB_8888,
    VG_sARGB_8888_PRE,
    VG_sARGB_1555,
    VG_sARGB_4444,
    VG_lXRGB_8888,
    VG_lARGB_8888,
    VG_lARGB_8888_PRE,
    VG_sBGRX_8888,
    VG_sBGRA_8888,
    VG_sBGRA_8888_PRE,
    VG_sBGR_565,
    VG_sBGRA_5551,
    VG_sBGRA_4444,
    VG_lBGRX_8888,
    VG_lBGRA_8888,
    VG_lBGRA_8888_PRE,
    VG_sXBGR_8888,
    VG_sABGR_8888,
    VG_sABGR_8888_PRE,
    VG_sABGR_1555,
    VG_sABGR_4444,
    VG_lXBGR_8888,
    VG_lABGR_8888,
    VG_lABGR_8888_PRE,

    // Number of pixel types, no point iterating beyond this.
    NumPixelTypes,

    // Error type.
    InvalidType = 0xffffffff
};

enum API
{
    ApiOGLES = 1,
    ApiOGLES2,
    ApiD3DM,
    ApiOGL,
    ApiDX9,
    ApiDX10,
    ApiOVG,
    ApiMGL
};

// Flags for Legacy TextureHeader versions
static const uint32_t c_flagMipMap = (1 << 8); // Texture has MIP Map levels
static const uint32_t c_flagBumpMap = (1 << 10); // Texture has normals encoded for a bump map
static const uint32_t c_flagCubeMap = (1 << 12); // Texture is a cubemap/skybox
static const uint32_t c_flagVolumeTexture = (1 << 14); // Texture is a 3D texture
static const uint32_t c_flagHasAlpha = (1 << 15); // Texture has transparency
static const uint32_t c_flagVerticalFlip = (1 << 16); // Texture is vertically flipped

// Mask for the pixel type - always in the last 16bits of the flags in legacy headers.
static const uint32_t c_pixelTypeMask = 0xff;

// The old PVR header identifier is the characters 'PVR!', V2 only. Usually ignored...
static const uint32_t c_identifierV2 = 0x21525650;

// Header sizes, used as identifiers for previous versions of the header.
static const uint32_t c_headerSizeV1 = 44;
static const uint32_t c_headerSizeV2 = 52;
} // namespace texture_legacy
} // namespace pvr