RAS_OpenGLRasterizer::RAS_OpenGLRasterizer(RAS_ICanvas* canvas, int storage)
:RAS_IRasterizer(canvas),
m_2DCanvas(canvas),
m_fogenabled(false),
m_time(0.0),
m_campos(0.0f, 0.0f, 0.0f),
m_camortho(false),
m_stereomode(RAS_STEREO_NOSTEREO),
m_curreye(RAS_STEREO_LEFTEYE),
m_eyeseparation(0.0),
m_focallength(0.0),
m_setfocallength(false),
m_noOfScanlines(32),
m_motionblur(0),
m_motionblurvalue(-1.0),
m_usingoverrideshader(false),
m_clientobject(NULL),
m_auxilaryClientInfo(NULL),
m_texco_num(0),
m_attrib_num(0),
//m_last_alphablend(GPU_BLEND_SOLID),
m_last_frontface(true),
m_materialCachingInfo(0),
m_storage_type(storage)
{
m_viewmatrix.setIdentity();
m_viewinvmatrix.setIdentity();
for (int i = 0; i < 32; i++)
{
left_eye_vinterlace_mask[i] = 0x55555555;
right_eye_vinterlace_mask[i] = 0xAAAAAAAA;
hinterlace_mask[i] = (i&1)*0xFFFFFFFF;
}
hinterlace_mask[32] = 0;
m_prevafvalue = GPU_get_anisotropic();
if (m_storage_type == RAS_VBO /*|| m_storage_type == RAS_AUTO_STORAGE && GLEW_ARB_vertex_buffer_object*/)
{
m_storage = new RAS_StorageVBO(&m_texco_num, m_texco, &m_attrib_num, m_attrib, m_attrib_layer);
m_failsafe_storage = new RAS_StorageIM(&m_texco_num, m_texco, &m_attrib_num, m_attrib, m_attrib_layer);
m_storage_type = RAS_VBO;
}
else if ((m_storage_type == RAS_VA) || (m_storage_type == RAS_AUTO_STORAGE && GLEW_VERSION_1_1))
{
m_storage = new RAS_StorageVA(&m_texco_num, m_texco, &m_attrib_num, m_attrib, m_attrib_layer);
m_failsafe_storage = new RAS_StorageIM(&m_texco_num, m_texco, &m_attrib_num, m_attrib, m_attrib_layer);
m_storage_type = RAS_VA;
}
else
{
m_storage = m_failsafe_storage = new RAS_StorageIM(&m_texco_num, m_texco, &m_attrib_num, m_attrib, m_attrib_layer);
m_storage_type = RAS_IMMEDIATE;
}
glGetIntegerv(GL_MAX_LIGHTS, (GLint *) &m_numgllights);
if (m_numgllights < 8)
m_numgllights = 8;
}
void BL_Texture::InitNonPow2Tex(unsigned int *pix,int x,int y,bool mipmap)
{
int nx= smaller_pow2(x);
int ny= smaller_pow2(y);
unsigned int *newPixels = (unsigned int *)malloc(nx*ny*sizeof(unsigned int));
gluScaleImage(GL_RGBA, x, y, GL_UNSIGNED_BYTE, pix, nx,ny, GL_UNSIGNED_BYTE, newPixels);
glBindTexture(GL_TEXTURE_2D, mTexture );
if( mipmap ) {
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
gluBuild2DMipmaps( GL_TEXTURE_2D, GL_RGBA, nx, ny, GL_RGBA, GL_UNSIGNED_BYTE, newPixels );
}
else {
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexImage2D( GL_TEXTURE_2D, 0, GL_RGBA, nx, ny, 0, GL_RGBA, GL_UNSIGNED_BYTE, newPixels );
}
if (GLEW_EXT_texture_filter_anisotropic)
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, GPU_get_anisotropic());
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
free(newPixels);
}
void BL_Texture::InitNonPow2Tex(unsigned int *pix,int x,int y,bool mipmap)
{
int nx= power_of_2_min_i(x);
int ny= power_of_2_min_i(y);
ImBuf *ibuf = IMB_allocFromBuffer(pix, NULL, x, y);
IMB_scaleImBuf(ibuf, nx, ny);
glBindTexture(GL_TEXTURE_2D, mTexture );
if ( mipmap ) {
int i;
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
IMB_makemipmap(ibuf, true);
for (i = 0; i < ibuf->miptot; i++) {
ImBuf *mip = IMB_getmipmap(ibuf, i);
glTexImage2D(GL_TEXTURE_2D, i, GL_RGBA, mip->x, mip->y, 0, GL_RGBA, GL_UNSIGNED_BYTE, mip->rect);
}
}
else {
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexImage2D( GL_TEXTURE_2D, 0, GL_RGBA, nx, ny, 0, GL_RGBA, GL_UNSIGNED_BYTE, ibuf->rect );
}
if (GLEW_EXT_texture_filter_anisotropic)
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, GPU_get_anisotropic());
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
IMB_freeImBuf(ibuf);
}
void BL_Texture::InitGLTex(unsigned int *pix,int x,int y,bool mipmap)
{
if (!GPU_non_power_of_two_support() && (!is_power_of_2_i(x) || !is_power_of_2_i(y)) ) {
InitNonPow2Tex(pix, x,y,mipmap);
return;
}
glBindTexture(GL_TEXTURE_2D, mTexture );
if ( mipmap ) {
int i;
ImBuf *ibuf;
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
ibuf = IMB_allocFromBuffer(pix, NULL, x, y);
IMB_makemipmap(ibuf, true);
for (i = 0; i < ibuf->miptot; i++) {
ImBuf *mip = IMB_getmipmap(ibuf, i);
glTexImage2D(GL_TEXTURE_2D, i, GL_RGBA, mip->x, mip->y, 0, GL_RGBA, GL_UNSIGNED_BYTE, mip->rect);
}
IMB_freeImBuf(ibuf);
}
else {
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexImage2D( GL_TEXTURE_2D, 0, GL_RGBA, x, y, 0, GL_RGBA, GL_UNSIGNED_BYTE, pix );
}
if (GLEW_EXT_texture_filter_anisotropic)
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, GPU_get_anisotropic());
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
}
void BL_Texture::InitGLTex(unsigned int *pix,int x,int y,bool mipmap)
{
if (!is_pow2(x) || !is_pow2(y) ) {
InitNonPow2Tex(pix, x,y,mipmap);
return;
}
glBindTexture(GL_TEXTURE_2D, mTexture );
if( mipmap ) {
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
gluBuild2DMipmaps( GL_TEXTURE_2D, GL_RGBA, x, y, GL_RGBA, GL_UNSIGNED_BYTE, pix );
}
else {
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexImage2D( GL_TEXTURE_2D, 0, GL_RGBA, x, y, 0, GL_RGBA, GL_UNSIGNED_BYTE, pix );
}
if (GLEW_EXT_texture_filter_anisotropic)
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, GPU_get_anisotropic());
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
}
short RAS_OpenGLRasterizer::GetAnisotropicFiltering()
{
return (short)GPU_get_anisotropic();
}
