bool GLS_IMG_Image::_Init (const char *lpsz_image_path) {
// set bitmap size
m_textid = SOIL_load_OGL_texture (
lpsz_image_path,
SOIL_LOAD_AUTO,
SOIL_CREATE_NEW_ID,
SOIL_FLAG_MIPMAPS | /*SOIL_FLAG_INVERT_Y |*/ SOIL_FLAG_NTSC_SAFE_RGB | SOIL_FLAG_COMPRESS_TO_DXT
);
/* check for an error during the load process */
if( 0 == m_textid ) {
printf ( "SOIL loading error: '%s'\n", SOIL_last_result() );
return false;
}
// m_bmp_width = (short)bmphdr.biWidth;
// m_bmp_height = (short)bmphdr.biHeight;
// m_width = m_bmp_width;
// m_height = m_bmp_height;
// setup vertices array...
SetupVertices ();
SetupTextureVertices ();
m_initialized = true;
return true;
}
void CDirect3D::SetViewport()
{
D3DXMATRIX matIdentity;
D3DXMATRIX matProjection;
D3DXMatrixOrthoOffCenterLH(&matProjection,0.0f,1.0f,0.0f,1.0f,0.0f,1.0f);
D3DXMatrixIdentity(&matIdentity);
pDevice->SetTransform(D3DTS_WORLD,&matIdentity);
pDevice->SetTransform(D3DTS_VIEW,&matIdentity);
pDevice->SetTransform(D3DTS_PROJECTION,&matProjection);
SetShaderVars(true);
RECT drawRect = CalculateDisplayRect(afterRenderWidth,afterRenderHeight,dPresentParams.BackBufferWidth,dPresentParams.BackBufferHeight);
D3DVIEWPORT9 viewport;
viewport.X = drawRect.left;
viewport.Y = drawRect.top;
viewport.Height = drawRect.bottom - drawRect.top;
viewport.Width = drawRect.right - drawRect.left;
viewport.MinZ = 0.0f;
viewport.MaxZ = 1.0f;
HRESULT hr = pDevice->SetViewport(&viewport);
SetupVertices();
}
bool COpenGL::ChangeDrawSurfaceSize(unsigned int width, unsigned int height)
{
DestroyDrawSurface();
CreateDrawSurface(width, height);
SetupVertices();
return true;
}
bool COpenGL::ChangeDrawSurfaceSize(unsigned int scale)
{
filterScale = scale;
DestroyDrawSurface();
CreateDrawSurface();
SetupVertices();
return true;
}
void DiInstanceBatch::Build( const DiSubMesh* baseSubMesh )
{
if( CheckSubMeshCompatibility( baseSubMesh ) )
{
SetupVertices( baseSubMesh );
SetupIndices( baseSubMesh );
CreateAllInstancedModels();
}
}
/* CDirect3D::ChangeDrawSurfaceSize
changes the draw surface size: deletes the old textures, creates a new texture
and calculate new vertices
IN:
scale - the scale that has to fit into the textures
-----
returns true if successful, false otherwise
*/
bool CDirect3D::ChangeDrawSurfaceSize(unsigned int scale)
{
filterScale = scale;
if(pDevice) {
DestroyDrawSurface();
CreateDrawSurface();
SetupVertices();
return true;
}
return false;
}
bool COpenGL::ChangeRenderSize(unsigned int newWidth, unsigned int newHeight)
{
RECT displayRect, windowSize;
if(newWidth==0||newHeight==0) {
GetClientRect(hWnd,&windowSize);
newWidth = windowSize.right;
newHeight = windowSize.bottom;
}
displayRect=CalculateDisplayRect(afterRenderWidth,afterRenderHeight,newWidth,newHeight);
glViewport(displayRect.left,newHeight-displayRect.bottom,displayRect.right-displayRect.left,displayRect.bottom-displayRect.top);
SetupVertices();
return true;
}
HRESULT STDMETHODCALLTYPE GLS_IMG_Image::put_height (float height) {
m_height = height;
SetupVertices ();
return NOERROR;
}
HRESULT STDMETHODCALLTYPE GLS_IMG_Image::put_width (float width) {
m_width = width;
SetupVertices ();
return NOERROR;
}
HRESULT STDMETHODCALLTYPE GLS_IMG_Image::put_y (float y) {
m_y = y;
SetupVertices ();
return NOERROR;
}
HRESULT STDMETHODCALLTYPE GLS_IMG_Image::put_x (float x) {
m_x = x;
SetupVertices ();
return NOERROR;
}
bool GLS_IMG_Image::_Init (const char *lpsz_image_path) {
// bitmap data
FILE *fp;
BITMAPFILEHEADER hdr;
BITMAPINFO bmpinfo;
BITMAPINFOHEADER &bmphdr = bmpinfo.bmiHeader;
// open texture file
fp = fopen ( lpsz_image_path, "rb" );
if (fp == NULL) {
return false;
}
// check magic bytes
fread (&hdr, sizeof(hdr), 1, fp);
if (hdr.bfType != BMP_SIG) {
fclose (fp);
return false;
}
// must be 24 bits RGB
fread (&bmpinfo, sizeof(bmpinfo), 1, fp);
if (bmphdr.biBitCount != 24) {
fclose (fp);
return false;
}
// read texture data
int size = bmphdr.biWidth * bmphdr.biHeight * 3;
BYTE *pBits = new BYTE [size];
if (!pBits){
fclose (fp);
return false;
}
// read pixels
int pad;
char padbuff[3];
BYTE *ptr, temp;
pad = (bmphdr.biWidth * 3) % 4;
pad = 4 - (pad == 0 ? 4 : pad);
fseek (fp, hdr.bfOffBits, SEEK_SET);
ptr = pBits;
for (int i=0; i<bmphdr.biHeight; i++) {
for (int j=0; j<bmphdr.biWidth; j++) {
fread (ptr, 3, 1, fp);
temp = ptr[0];
ptr[0] = ptr[2];
ptr[2] = temp;
ptr+= 3;
}
fread (padbuff, pad, 1, fp);
}
// close file
fclose (fp);
// set bitmap size
m_bmp_width = (short)bmphdr.biWidth;
m_bmp_height = (short)bmphdr.biHeight;
// fix the inverted bitmap
FixBMPUpDown (pBits, m_bmp_width, m_bmp_height);
// make Open GL texture
glPixelStorei (GL_UNPACK_ALIGNMENT, 1);
// generate single texture and bind it
glGenTextures ( 1, &m_textid);
glBindTexture ( GL_TEXTURE_2D, m_textid );
m_width = m_bmp_width;
m_height = m_bmp_height;
// set texture parameters
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR/*GL_NEAREST*/);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR/*GL_NEAREST*/);
// set texture environemnt
glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
// define texture image
glTexImage2D ( GL_TEXTURE_2D,
0, /* mipmap level 0 */
3, /* internal format */
bmphdr.biWidth, bmphdr.biHeight,
0, /* border */
GL_RGB,
GL_UNSIGNED_BYTE,
pBits );
// do cleanup
delete [] pBits;
// setup vertices array...
SetupVertices ();
SetupTextureVertices ();
m_initialized = true;
return true;
}
