mirror of
https://bitbucket.org/CPMADevs/cnq3
synced 2024-11-10 06:31:48 +00:00
86 lines
2.3 KiB
C++
86 lines
2.3 KiB
C++
/*
|
|
===========================================================================
|
|
Copyright (C) 2017-2022 Gian 'myT' Schellenbaum
|
|
|
|
This file is part of Challenge Quake 3 (CNQ3).
|
|
|
|
Challenge Quake 3 is free software; you can redistribute it
|
|
and/or modify it under the terms of the GNU General Public License as
|
|
published by the Free Software Foundation; either version 2 of the License,
|
|
or (at your option) any later version.
|
|
|
|
Challenge Quake 3 is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with Challenge Quake 3. If not, see <https://www.gnu.org/licenses/>.
|
|
===========================================================================
|
|
*/
|
|
// implements LoadSTB, which is the interface between CNQ3 and stb_image
|
|
|
|
#include "tr_local.h"
|
|
|
|
#if defined(_MSC_VER)
|
|
# pragma warning(disable: 4505) // unreferenced local function
|
|
# pragma warning(disable: 4459) // declaration of 'ri' hides global declaration
|
|
#endif
|
|
|
|
static void* q_malloc( size_t );
|
|
static void q_free( void* );
|
|
static void* q_realloc_sized( void*, size_t, size_t );
|
|
|
|
#define STBI_MALLOC q_malloc
|
|
#define STBI_REALLOC_SIZED q_realloc_sized
|
|
#define STBI_FREE q_free
|
|
#define STBI_MAX_DIMENSIONS MAX_TEXTURE_SIZE
|
|
#define STBI_NO_STDIO
|
|
#define STBI_FAILURE_USERMSG
|
|
#define STBI_ONLY_PNG
|
|
#define STB_IMAGE_IMPLEMENTATION
|
|
#include "stb_image.h"
|
|
|
|
|
|
static void* q_malloc( size_t bytes )
|
|
{
|
|
return ri.Malloc((int)bytes);
|
|
}
|
|
|
|
|
|
static void q_free( void* buffer )
|
|
{
|
|
if (buffer != NULL)
|
|
ri.Free(buffer);
|
|
}
|
|
|
|
|
|
static void* q_realloc_sized( void* ptr, size_t oldSize, size_t newSize )
|
|
{
|
|
if (ptr == NULL)
|
|
return q_malloc(newSize);
|
|
|
|
if (newSize <= oldSize)
|
|
return ptr;
|
|
|
|
void* ptr2 = q_malloc(newSize);
|
|
memcpy(ptr2, ptr, oldSize);
|
|
q_free(ptr);
|
|
|
|
return ptr2;
|
|
}
|
|
|
|
|
|
qbool LoadSTB( const char* fileName, byte* buffer, int len, byte** pic, int* w, int* h, textureFormat_t* format )
|
|
{
|
|
int comp;
|
|
*pic = (byte*)stbi_load_from_memory(buffer, len, w, h, &comp, 4);
|
|
if (*pic == NULL) {
|
|
ri.Printf(PRINT_WARNING, "stb_image: couldn't load %s: %s\n", fileName, stbi_failure_reason());
|
|
return qfalse;
|
|
}
|
|
|
|
*format = TF_RGBA8;
|
|
|
|
return qtrue;
|
|
}
|