//===================================================================== // Copyright 2016 (c), Advanced Micro Devices, Inc. All rights reserved. //===================================================================== // // 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 _PLUGIN_IMAGE_KTX_H #define _PLUGIN_IMAGE_KTX_H #include "plugininterface.h" #include "stdint.h" #include "ktx.h" #include "ktxint.h" // {737CE1F6-F448-499E-B8B5-585F9A22893C} #ifdef _WIN32 static const GUID g_GUID = { 0x737ce1f6, 0xf448, 0x499e, { 0xb8, 0xb5, 0x58, 0x5f, 0x9a, 0x22, 0x89, 0x3c } }; #else static const GUID g_GUID = {0}; #endif #define TC_PLUGIN_VERSION_MAJOR 1 #define TC_PLUGIN_VERSION_MINOR 0 class Plugin_KTX : public PluginInterface_Image { public: Plugin_KTX(); virtual ~Plugin_KTX(); int TC_PluginSetSharedIO(void* Shared); int TC_PluginGetVersion(TC_PluginVersion* pPluginVersion); int TC_PluginFileLoadTexture(const char* pszFilename, MipSet* pMipSet); int TC_PluginFileSaveTexture(const char* pszFilename, MipSet* pMipSet); int TC_PluginFileLoadTexture(const char* pszFilename, CMP_Texture *srcTexture); int TC_PluginFileSaveTexture(const char* pszFilename, CMP_Texture *srcTexture); }; #define IDS_ERROR_FILE_OPEN 1 #define IDS_ERROR_NOT_KTX 2 #define IDS_ERROR_UNSUPPORTED_TYPE 3 #define IDS_ERROR_ALLOCATEMIPSET 4 #define IDS_ERROR_ALLOCATEMIPSLEVELDATA 5 extern void *make_Plugin_KTX(); // ---------------- KTX File Definitions ------------------------ /* https://www.khronos.org/opengles/sdk/tools/KTX/file_format_spec/ for each keyValuePair that fits in bytesOfKeyValueData UInt32 keyAndValueByteSize Byte keyAndValue[keyAndValueByteSize] Byte valuePadding[3 - ((keyAndValueByteSize + 3) % 4)] end for each mipmap_level in numberOfMipmapLevels* UInt32 imageSize; for each array_element in numberOfArrayElements* for each face in numberOfFaces for each z_slice in pixelDepth* for each row or row_of_blocks in pixelHeight* for each pixel or block_of_pixels in pixelWidth Byte data[format-specific-number-of-bytes]** end end end Byte cubePadding[0-3] end end Byte mipPadding[3 - ((imageSize + 3) % 4)] end Notes: * Replace with 1 if this field is 0 ** Uncompressed texture data matches a GL_UNPACK_ALIGNMENT of 4 */ uint8_t FileIdentifier[12] = { 0xAB, 0x4B, 0x54, 0x58, 0x20, 0x31, 0x31, 0xBB, 0x0D, 0x0A, 0x1A, 0x0A }; struct ktx_header { uint8_t identifier[12]; uint32_t endianness; // should be 0x04030201 if 0x01020304 then all data below must be switched uint32_t gl_Type; // 0 = compressed data else use OpenGL Spec to determine uncompressed data type (OpenGL 4.4 tables 8.3) uint32_t gl_TypeSize; // endness data size for texture data stored in file 0=size of gl_type, 1 = for compressed data uint32_t gl_Format; // 0 = compressed data else use OpenGL spec to determine format (IoebGL 4.4 table 8.3 ) uint32_t gl_InternalFormat; // for compressed data use OpenGL 4.4 table 8.14 else use tables 8.12 & 8.13 uint32_t gl_BaseInternalFormat; // use OpenGL 4.4 table 8.11 uint32_t pixelWidth; // size of texture image for level 0, No rounding to block size is applied to compressed textures uint32_t pixelHeight; // uint32_t pixelDepth; // pixelDepth = 0 for 2D and cube textures uint32_t numberOfArrayElements; // 0 for no array element (not a texture array) else specifies the number of array elements uint32_t numberOfFaces; // number of cube map faces (for cubemap or cubemap arrays = 6, else 1) uint32_t numberOfMipmapLevels; // 1 for non-mipmapped textures, 0 for mipped mapmapped: full pyramid should be generated from level 0 at load time uint32_t bytesOfKeyValueData; // Key value pairs }; enum scanline_copy_method { R8_TO_RGBA8, RG8_TO_RGBA8, RGB8_TO_RGBA8, RGBA8_TO_RGBA8, BGR8_TO_RGBA8, BGRA8_TO_RGBA8, L8_TO_RGBA8, LA8_TO_RGBA8, RGBX8_TO_RGBA8, BGRX8_TO_RGBA8, R16_TO_RGBA16F, RG16_TO_RGBA16F, RGB16_TO_RGBA16F, RGBA16_TO_RGBA16F, BGR16_TO_RGBA16F, BGRA16_TO_RGBA16F, L16_TO_RGBA16F, LA16_TO_RGBA16F, R16F_TO_RGBA16F, RG16F_TO_RGBA16F, RGB16F_TO_RGBA16F, RGBA16F_TO_RGBA16F, BGR16F_TO_RGBA16F, BGRA16F_TO_RGBA16F, L16F_TO_RGBA16F, LA16F_TO_RGBA16F, R32F_TO_RGBA16F, RG32F_TO_RGBA16F, RGB32F_TO_RGBA16F, RGBA32F_TO_RGBA16F, BGR32F_TO_RGBA16F, BGRA32F_TO_RGBA16F, L32F_TO_RGBA16F, LA32F_TO_RGBA16F }; #define R_ATI1N_UNorm 0x8DBB // GL_COMPRESSED_RED_RGTC1 #define R_ATI1N_SNorm 0x8DBC // GL_COMPRESSED_SIGNED_RED_RGTC1 #define RG_ATI2N_UNorm 0x8DBD // GL_COMPRESSED_RG_RGTC2 #define RG_ATI2N_SNorm 0x8DBE // GL_COMPRESSED_SIGNED_RG_RGTC2 #define RGB_BP_UNSIGNED_FLOAT 0x8E8F // GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_ARB //bc6 #define RGB_BP_SIGNED_FLOAT 0x8E8E // GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT_ARB #define RGB_BP_UNorm 0x8E8C // GL_COMPRESSED_RGBA_BPTC_UNORM_ARB //bc7 #define COMPRESSED_RED_RGTC1 0x8DBB //bc4 #define COMPRESSED_RG_RGTC2 0x8DBD //bc5 ATI2_XY // Legacy setting should move to reserved temp space!! #define ATC_RGB_AMD 0x8C92 #define ATC_RGBA_EXPLICIT_ALPHA_AMD 0x8C93 #define ATC_RGBA_INTERPOLATED_ALPHA_AMD 0x87EE #define ETC1_RGB8_OES 0x8D64 #define COMPRESSED_FORMAT_DXT5_xGBR 0x83F3 #define COMPRESSED_FORMAT_DXT5_RxBG 0x83F4 #define COMPRESSED_FORMAT_DXT5_RBxG 0x83F5 #define COMPRESSED_FORMAT_DXT5_xRBG 0x83F6 #define COMPRESSED_FORMAT_DXT5_RGxB 0x83F7 #define COMPRESSED_FORMAT_DXT5_xGxR 0x83F8 //---------------------------------------------------------------- // Definitions from etcpack v2.74 //---------------------------------------------------------------- // #define GL_SRGB 0x8C40 // #define GL_SRGB8 0x8C41 // #define GL_SRGB8_ALPHA8 0x8C43 // #define GL_COMPRESSED_R11_EAC 0x9270 // #define GL_COMPRESSED_SIGNED_R11_EAC 0x9271 // #define GL_COMPRESSED_RG11_EAC 0x9272 // #define GL_COMPRESSED_SIGNED_RG11_EAC 0x9273 #define GL_COMPRESSED_RGB8_ETC2 0x9274 #define GL_COMPRESSED_SRGB8_ETC2 0x9275 #define GL_COMPRESSED_RGBA8_ETC2_EAC 0x9278 #define GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC 0x9279 #define GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2 0x9276 #define GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2 0x9277 //// enums copied from GL/GL.h //#define GL_RED 0x1903 //#define GL_RG 0x8227 //#define GL_RGB 0x1907 //#define GL_RGBA 0x1908 //#define GL_BGR 0x80E0 //#define GL_BGRA 0x80E1 //#define GL_LUMINANCE 0x1909 //#define GL_LUMINANCE_ALPHA 0x190A //#define GL_UNSIGNED_BYTE 0x1401 //#define GL_UNSIGNED_SHORT 0x1403 //#define GL_HALF_FLOAT 0x140B //#define GL_FLOAT 0x1406 #endif