Merge branch 'master' of github.com:bkaradzic/bgfx

3rdparty/stb_image/stb_image.c

@@ -2951,7 +2951,7 @@ static int shiftsigned(int v, int shift, int bits)
 static stbi_uc *bmp_load(stbi *s, int *x, int *y, int *comp, int req_comp)
 {
    uint8 *out;
-   unsigned int mr=0,mg=0,mb=0,ma=0, fake_a=0;
+   unsigned int mr=0,mg=0,mb=0,ma=0;
    stbi_uc pal[256][4];
    int psize=0,i,j,compress=0,width;
    int bpp, flip_vertically, pad, target, offset, hsz;
@@ -3000,7 +3000,6 @@ static stbi_uc *bmp_load(stbi *s, int *x, int *y, int *comp, int req_comp)
                   mg = 0xffu <<  8;
                   mb = 0xffu <<  0;
                   ma = 0xffu << 24;
-                  fake_a = 1; // @TODO: check for cases like alpha value is all 0 and switch it to 255
                } else {
                   mr = 31u << 10;
                   mg = 31u <<  5;

examples/common/entry_emscripten.cpp

@@ -8,13 +8,13 @@
 #if BX_PLATFORM_EMSCRIPTEN
 
 #include <emscripten/emscripten.h>
-#include <pthread.h>
+#include <alloca.h>
+#include <setjmp.h>
 
 extern int _main_(int _argc, char** _argv);
 
-#include <setjmp.h>
-jmp_buf s_main;
-jmp_buf s_loop;
+static jmp_buf s_main;
+static jmp_buf s_loop;
 
 void emscripten_yield()
 {
@@ -36,6 +36,7 @@ int main(int _argc, char** _argv)
 {
 	if (!setjmp(s_loop) )
 	{
+		alloca(16<<10);
 		_main_(_argc, _argv);
 	}
 

premake/ddsdump.lua

@@ -14,5 +14,5 @@ project "ddsdump"
 	}
 
 	links {
-		"bgfx",
+--		"bgfx",
 	}

tools/ddsdump.cpp

@@ -7,6 +7,7 @@
 #include <stdlib.h>
 #include <string.h>
 
+// Just hacking DDS loading code in here.
 #include "bgfx_p.h"
 using namespace bgfx;
 
@@ -21,6 +22,68 @@ using namespace bgfx;
 #include <bx/commandline.h>
 #include <bx/uint32_t.h>
 
+namespace bgfx
+{
+	const Memory* alloc(uint32_t _size)
+	{
+		Memory* mem = (Memory*)::realloc(NULL, sizeof(Memory) + _size);
+		mem->size = _size;
+		mem->data = (uint8_t*)mem + sizeof(Memory);
+		return mem;
+	}
+
+	void saveTga(const char* _filePath, uint32_t _width, uint32_t _height, uint32_t _srcPitch, const void* _src, bool _grayscale, bool _yflip)
+	{
+		FILE* file = fopen(_filePath, "wb");
+		if ( NULL != file )
+		{
+			uint8_t type = _grayscale ? 3 : 2;
+			uint8_t bpp = _grayscale ? 8 : 32;
+
+			putc(0, file);
+			putc(0, file);
+			putc(type, file);
+			putc(0, file);
+			putc(0, file);
+			putc(0, file);
+			putc(0, file);
+			putc(0, file);
+			putc(0, file);
+			putc(0, file);
+			putc(0, file);
+			putc(0, file);
+			putc(_width&0xff, file);
+			putc( (_width>>8)&0xff, file);
+			putc(_height&0xff, file);
+			putc( (_height>>8)&0xff, file);
+			putc(bpp, file);
+			putc(32, file);
+
+			uint32_t dstPitch = _width*bpp/8;
+			if (_yflip)
+			{
+				uint8_t* data = (uint8_t*)_src + dstPitch*_height - _srcPitch;
+				for (uint32_t yy = 0; yy < _height; ++yy)
+				{
+					fwrite(data, dstPitch, 1, file);
+					data -= _srcPitch;
+				}
+			}
+			else
+			{
+				uint8_t* data = (uint8_t*)_src;
+				for (uint32_t yy = 0; yy < _height; ++yy)
+				{
+					fwrite(data, dstPitch, 1, file);
+					data += _srcPitch;
+				}
+			}
+
+			fclose(file);
+		}
+	}
+}
+
 long int fsize(FILE* _file)
 {
 	long int pos = ftell(_file);
@@ -36,8 +99,9 @@ int main(int _argc, const char* _argv[])
 
 	FILE* file = fopen(_argv[1], "rb");
 	uint32_t size = fsize(file);
-	const Memory* mem = bgfx::alloc(size);
-	fread(mem->data, 1, size, file);
+	const Memory* mem = alloc(size);
+	size_t readSize = fread(mem->data, 1, size, file);
+	BX_UNUSED(readSize);
 	fclose(file);
 
 	Dds dds;
@@ -95,7 +159,7 @@ int main(int _argc, const char* _argv[])
 						char filePath[256];
 						_snprintf(filePath, sizeof(filePath), "mip%d_%d.tga", side, lod);
 
-						bgfx::saveTga(filePath, width, height, dstpitch, bits);
+						saveTga(filePath, width, height, dstpitch, bits);
 						free(bits);
 					}