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Merge pull request #39560 from akien-mga/fix-dds-validation

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DDS: Fix loading files without DDSD_CAPS or DDSD_PIXELFORMAT
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Rémi Verschelde 2020-06-15 19:57:17 +02:00 committed by GitHub
commit bcef549b3e
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1 changed files with 6 additions and 4 deletions
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10
modules/dds/texture_loader_dds.cpp
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@ -29,14 +29,15 @@
/*************************************************************************/ /*************************************************************************/
#include "texture_loader_dds.h" #include "texture_loader_dds.h"
#include "core/os/file_access.h" #include "core/os/file_access.h"
#define PF_FOURCC(s) ((uint32_t)(((s)[3] << 24U) | ((s)[2] << 16U) | ((s)[1] << 8U) | ((s)[0]))) #define PF_FOURCC(s) ((uint32_t)(((s)[3] << 24U) | ((s)[2] << 16U) | ((s)[1] << 8U) | ((s)[0])))
// Reference: https://docs.microsoft.com/en-us/windows/win32/direct3ddds/dds-header
enum { enum {
DDS_MAGIC = 0x20534444, DDS_MAGIC = 0x20534444,
DDSD_CAPS = 0x00000001,
DDSD_PIXELFORMAT = 0x00001000,
DDSD_PITCH = 0x00000008, DDSD_PITCH = 0x00000008,
DDSD_LINEARSIZE = 0x00080000, DDSD_LINEARSIZE = 0x00080000,
DDSD_MIPMAPCOUNT = 0x00020000, DDSD_MIPMAPCOUNT = 0x00020000,
@ -47,7 +48,6 @@ enum {
}; };
enum DDSFormat { enum DDSFormat {
DDS_DXT1, DDS_DXT1,
DDS_DXT3, DDS_DXT3,
DDS_DXT5, DDS_DXT5,
@ -128,7 +128,9 @@ RES ResourceFormatDDS::load(const String &p_path, const String &p_original_path,
//validate //validate
if (magic != DDS_MAGIC || hsize != 124 || !(flags & DDSD_PIXELFORMAT) || !(flags & DDSD_CAPS)) { // We don't check DDSD_CAPS or DDSD_PIXELFORMAT, as they're mandatory when writing,
// but non-mandatory when reading (as some writers don't set them)...
if (magic != DDS_MAGIC || hsize != 124) {
ERR_FAIL_V_MSG(RES(), "Invalid or unsupported DDS texture file '" + p_path + "'."); ERR_FAIL_V_MSG(RES(), "Invalid or unsupported DDS texture file '" + p_path + "'.");
} }