drewcassidy/nvidia-texture-tools
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Add nvassemble tool to create cubemaps, volumes, and texture arrays.

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This commit is contained in:
castano
2007-11-16 11:05:17 +00:00
parent 98b2377a11
commit 854da30b8e
11 changed files with 542 additions and 99 deletions
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65
src/nvtt/tools/assemble.cpp
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@ -24,17 +24,17 @@
#include <nvcore/StrLib.h>
#include <nvcore/StdStream.h>
#include <nvimage/Image.h>
#include <nvimage/DirectDrawSurface.h>
#include <nvmath/Color.h>
#include <nvimage/Image.h>
#include <nvimage/ImageIO.h>
#include <nvimage/DirectDrawSurface.h>
#include "cmdline.h"
// @@ Add decent error messages.
// @@ Add option to resize images.
// @@ Output DDS header according to surface type.
// @@ Output images.
// @@ Add support for reading DDS files with 2D images and possibly mipmaps.
int main(int argc, char *argv[])
{
@ -46,6 +46,7 @@ int main(int argc, char *argv[])
bool assembleTextureArray = false;
nv::Array<nv::Path> files;
nv::Path output = "output.dds";
// Parse arguments.
for (int i = 1; i < argc; i++)
@ -69,7 +70,14 @@ int main(int argc, char *argv[])
assembleVolume = false;
assembleTextureArray = true;
}*/
else if (strcmp("-o", argv[i]) == 0)
{
i++;
if (i < argc && argv[i][0] != '-')
{
output = argv[i];
}
}
else if (argv[i][0] != '-')
{
files.append(argv[i]);
@ -83,7 +91,13 @@ int main(int argc, char *argv[])
return 1;
}
if (assembleCubeMap && files.count() != 0)
if (nv::strCaseCmp(output.extension(), ".dds") != 0)
{
//output.stripExtension();
output.append(".dds");
}
if (assembleCubeMap && files.count() != 6)
{
printf("*** error, 6 files expected, but got %d\n", files.count());
return 1;
@ -96,6 +110,8 @@ int main(int argc, char *argv[])
bool hasAlpha = false;
const uint imageCount = files.count();
images.resize(imageCount);
for (uint i = 0; i < imageCount; i++)
{
if (!images[i].load(files[i]))
@ -130,9 +146,40 @@ int main(int argc, char *argv[])
return 1;
}
// @@ Output DDS header.
// @@ Output images.
// Output DDS header.
nv::DDSHeader header;
header.setWidth(w);
header.setHeight(h);
if (assembleCubeMap)
{
header.setTextureCube();
}
else if (assembleVolume)
{
header.setTexture3D();
header.setDepth(imageCount);
}
else if (assembleTextureArray)
{
//header.setTextureArray(imageCount);
}
// @@ It always outputs 32 bpp.
header.setPitch(4 * w);
header.setPixelFormat(32, 0xFF0000, 0xFF00, 0xFF, hasAlpha ? 0xFF000000 : 0);
stream << header;
// Output images.
for (uint i = 0; i < imageCount; i++)
{
const uint pixelCount = w * h;
for (uint p = 0; p < pixelCount; p++)
{
stream << images[i].pixel(p).b << images[i].pixel(p).g << images[i].pixel(p).r << images[i].pixel(p).a;
}
}
return 0;
}