* Copyright 2009, Haiku Inc. All rights reserved.
* Distributed under the terms of the MIT License.
*
* Authors:
* Alexandre Deckner <alex@zappotek.com>
*/
#include "BitmapTexture.h"
#include <Bitmap.h>
#include <GL/gl.h>
#include <GL/glu.h>
#include <stdio.h>
BitmapTexture::BitmapTexture(BBitmap* bitmap)
:
Texture()
{
_Load(bitmap);
}
BitmapTexture::~BitmapTexture()
{
}
void
BitmapTexture::_Load(BBitmap* bitmap) {
if (bitmap == NULL)
return;
glGenTextures(1, &fId);
glBindTexture(GL_TEXTURE_2D, fId);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8,
(int) bitmap->Bounds().Width() + 1,
(int) bitmap->Bounds().Height() + 1,
0, GL_BGRA, GL_UNSIGNED_BYTE,
bitmap->Bits());
printf("BitmapTexture::_Load, loaded texture %u "
"(%" B_PRIi32 ", %" B_PRIi32 ", %" B_PRIi32 "bits)\n",
fId, (int32) bitmap->Bounds().Width(),
(int32) bitmap->Bounds().Height(),
8 * bitmap->BytesPerRow() / (int)bitmap->Bounds().Width());
delete bitmap;
}
