void XFBSource::Draw(const MathUtil::Rectangle<float> &sourcerc,
const MathUtil::Rectangle<float> &drawrc, int width, int height) const
{
// Texture map xfbSource->texture onto the main buffer
glBindTexture(GL_TEXTURE_RECTANGLE_ARB, texture);
glBegin(GL_QUADS);
glTexCoord2f(sourcerc.left, sourcerc.bottom);
glMultiTexCoord2fARB(GL_TEXTURE1, 0, 0);
glVertex2f(drawrc.left, drawrc.bottom);
glTexCoord2f(sourcerc.left, sourcerc.top);
glMultiTexCoord2fARB(GL_TEXTURE1, 0, 1);
glVertex2f(drawrc.left, drawrc.top);
glTexCoord2f(sourcerc.right, sourcerc.top);
glMultiTexCoord2fARB(GL_TEXTURE1, 1, 1);
glVertex2f(drawrc.right, drawrc.top);
glTexCoord2f(sourcerc.right, sourcerc.bottom);
glMultiTexCoord2fARB(GL_TEXTURE1, 1, 0);
glVertex2f(drawrc.right, drawrc.bottom);
glEnd();
GL_REPORT_ERRORD();
}
void SetTextureCoord(float x, float z)
{
// Find the (u, v) coordinate for the current vertex
float u = (float)x / (float)MAP_SIZE;
float v = -(float)z / (float)MAP_SIZE;
/////// * /////////// * /////////// * NEW * /////// * /////////// * /////////// *
// Instead of using the normal API for assigning the current texture
// coordinate, we want to use the glMultiTexCoord2fARB() function.
// This will allow us to choose the (u, v) coordinate for every texture
// map, since we are using multitexturing. Due to the fact that we
// are going to be using the texture matrix to set the tiling of our
// detail texture, we just assign the same (u, v) coordinate for both
// textures.
// Give OpenGL the current terrain texture coordinate for our height map
glMultiTexCoord2fARB(GL_TEXTURE0_ARB, u, v);
// Give OpenGL the current detail texture coordinate for our height map
glMultiTexCoord2fARB(GL_TEXTURE1_ARB, u, v);
/////// * /////////// * /////////// * NEW * /////// * /////////// * /////////// *
}
static void
DrawScene(WindowData *pwdata)
{
/* Render a triangle - multi-textured if ARB_multitexture is supported. */
glClearColor (0.0, 0.0, 0.0, 0.0); /* BLACK */
glClear (GL_COLOR_BUFFER_BIT);
glMatrixMode (GL_MODELVIEW);
glLoadIdentity();
glRotatef (pwdata->spin, 0.0, 0.0, 1.0);
pwdata->spin += 2;
if (pwdata->spin >= 360) {
pwdata->spin = 0;
}
if (pwdata->hasMultitexture) {
/*
* ==========================================================
* ==========================================================
* Use an extension function without doing anything special!
* OpenGL 1.2, OpenGL 1.3 procs can be used similarly - as
* long we ensure it is supported - just as we have done
* for MultiTexCoord here.
* ==========================================================
* ==========================================================
*/
glBegin( GL_POLYGON );
glMultiTexCoord2fARB (GL_TEXTURE1_ARB, 0.0, 0.0);
glColor3f (1.0, 0.0, 0.0);
glVertex3f(0.0, 0.0, 0.0);
glMultiTexCoord2fARB (GL_TEXTURE1_ARB, 1.0, 0.0);
glColor3f (0.0, 1.0, 0.0);
glVertex3f(0.5, 0.0, 0.0);
glMultiTexCoord2fARB (GL_TEXTURE1_ARB, 1.0, 1.0);
glColor3f (0.0, 0.0, 1.0);
glVertex3f(0.5, 0.5, 0.0);
glEnd();
} else {
glBegin( GL_POLYGON );
glColor3f (1.0, 0.0, 0.0);
glVertex3f(0.0, 0.0, 0.0);
glColor3f (0.0, 1.0, 0.0);
glVertex3f(0.5, 0.0, 0.0);
glColor3f (0.0, 0.0, 1.0);
glVertex3f(0.5, 0.5, 0.0);
glEnd();
}
glXSwapBuffers(pwdata->display, pwdata->window);
}
FX_ENTRY void FX_CALL
grDrawPoint( const void *pt )
{
float *x = (float*)pt + xy_off/sizeof(float);
float *y = (float*)pt + xy_off/sizeof(float) + 1;
float *z = (float*)pt + z_off/sizeof(float);
float *q = (float*)pt + q_off/sizeof(float);
unsigned char *pargb = (unsigned char*)pt + pargb_off;
float *s0 = (float*)pt + st0_off/sizeof(float);
float *t0 = (float*)pt + st0_off/sizeof(float) + 1;
float *s1 = (float*)pt + st1_off/sizeof(float);
float *t1 = (float*)pt + st1_off/sizeof(float) + 1;
float *fog = (float*)pt + fog_ext_off/sizeof(float);
LOG("grDrawPoint()\r\n");
if(nvidia_viewport_hack && !render_to_texture)
{
glViewport(0, viewport_offset, viewport_width, viewport_height);
nvidia_viewport_hack = 0;
}
reloadTexture();
if(need_to_compile) compile_shader();
glBegin(GL_POINTS);
if (nbTextureUnits > 2)
{
if (st0_en)
glMultiTexCoord2fARB(GL_TEXTURE1_ARB, *s0 / *q / (float)tex1_width,
ytex(0, *t0 / *q / (float)tex1_height));
if (st1_en)
glMultiTexCoord2fARB(GL_TEXTURE0_ARB, *s1 / *q / (float)tex0_width,
ytex(1, *t1 / *q / (float)tex0_height));
}
else
{
if (st0_en)
glTexCoord2f(*s0 / *q / (float)tex0_width,
ytex(0, *t0 / *q / (float)tex0_height));
}
if (pargb_en)
glColor4f(pargb[2]/255.0f, pargb[1]/255.0f, pargb[0]/255.0f, pargb[3]/255.0f);
if (fog_enabled && fog_coord_support)
{
if(!fog_ext_en || fog_enabled != 2)
glSecondaryColor3f((1.0f / *q) / 255.0f, 0.0f, 0.0f);
else
glSecondaryColor3f((1.0f / *fog) / 255.0f, 0.0f, 0.0f);
}
glVertex4f((*x - (float)widtho) / (float)(width/2) / *q,
-(*y - (float)heighto) / (float)(height/2) / *q, ZCALC(*z ,*q), 1.0f / *q);
glEnd();
}
void SetTextureCoord(float x, float z)
{
// Find the (u, v) coordinate for the current vertex
float u = (float)x / (float)MAP_SIZE;
float v = -(float)z / (float)MAP_SIZE;
// Give OpenGL the current terrain texture coordinate for our height map
glMultiTexCoord2fARB(GL_TEXTURE0_ARB, u, v);
// Give OpenGL the current detail texture coordinate for our height map
glMultiTexCoord2fARB(GL_TEXTURE1_ARB, u, v);
}
void CQuad::draw() {
CHECK_GLERROR("");
glBegin(GL_QUADS);
glMultiTexCoord2fARB(GL_TEXTURE0_ARB,u0, v0); glVertex2f(x0, y0);
glMultiTexCoord2fARB(GL_TEXTURE0_ARB,u0, v1); glVertex2f(x0, y1);
glMultiTexCoord2fARB(GL_TEXTURE0_ARB,u1, v1); glVertex2f(x1, y1);
glMultiTexCoord2fARB(GL_TEXTURE0_ARB,u1, v0); glVertex2f(x1, y0);
glEnd();
CHECK_GLERROR("");
}
static void Display( void )
{
GLfloat x, y, s, t;
glClear( GL_COLOR_BUFFER_BIT );
glPushMatrix();
glRotatef(Xrot, 1.0, 0.0, 0.0);
glRotatef(Yrot, 0.0, 1.0, 0.0);
glRotatef(Zrot, 0.0, 0.0, 1.0);
glScalef(Scale, Scale, Scale);
if (Texture)
glColor3f(1, 1, 1);
if (Points) {
glBegin(GL_POINTS);
for (t = 0.0; t <= 1.0; t += 0.025) {
for (s = 0.0; s <= 1.0; s += 0.025) {
x = s * 2.0 - 1.0;
y = t * 2.0 - 1.0;
if (!Texture)
glColor3f(1, 0, 1);
glMultiTexCoord2fARB(GL_TEXTURE1_ARB, t, s);
glTexCoord2f(s, t);
glVertex2f(x, y);
}
}
glEnd();
}
else {
glBegin(GL_LINES);
for (t = 0.0; t <= 1.0; t += 0.025) {
x = t * 2.0 - 1.0;
if (!Texture)
glColor3f(1, 0, 1);
glTexCoord2f(t, 0.0);
glMultiTexCoord2fARB(GL_TEXTURE1_ARB, 0.0, t);
glVertex2f(x, -1.0);
if (!Texture)
glColor3f(0, 1, 0);
glTexCoord2f(t, 1.0);
glMultiTexCoord2fARB(GL_TEXTURE1_ARB, 1.0, t);
glVertex2f(x, 1.0);
}
glEnd();
}
glPopMatrix();
glutSwapBuffers();
}
/*
================
R_ArrayElementDiscrete
This is just for OpenGL conformance testing, it should never be the fastest
================
*/
static void GLAPIENTRY R_ArrayElementDiscrete( GLint index ) {
glColor4ubv(tess.svars.colors[index]);
if(glState.currenttmu)
{
glMultiTexCoord2fARB(0, tess.svars.texcoords[0][index][0], tess.svars.texcoords[0][index][1]);
glMultiTexCoord2fARB(1, tess.svars.texcoords[1][index][0], tess.svars.texcoords[1][index][1]);
}
else
{
glTexCoord2fv(tess.svars.texcoords[0][index]);
}
glVertex3fv(tess.xyz[index].v);
}
/////////////////////////////////////////////////////////
// SetVertex
// set up the texture-coordinates
/////////////////////////////////////////////////////////
void GemShape :: SetVertex(GemState* state,float x, float y, float z,
float tx, float ty,int curCoord)
{
TexCoord*texcoords=NULL;
int numCoords = 0;
int numUnits = 0;
state->get(GemState::_GL_TEX_NUMCOORDS, numCoords);
state->get(GemState::_GL_TEX_UNITS, numUnits);
if (numCoords) {
tx=state->texCoordX(curCoord);
ty=state->texCoordY(curCoord);
}
if (numUnits) {
for(int i=0; i<numUnits; i++) {
glMultiTexCoord2fARB(GL_TEXTURE0+i, tx, ty);
}
} else { // no multitexturing!
glTexCoord2f(tx, ty);
}
glVertex3f( x, y, z );
}
//===========================================================================
// DG_MultiTexCoord2f
//===========================================================================
void DG_MultiTexCoord2f(int target, float s, float t)
{
if(target == GL_TEXTURE0)
glTexCoord2f(s, t);
else
glMultiTexCoord2fARB(GL_TEXTURE0 + (target - DGL_TEXTURE0), s, t);
}
static void DrawObject(void)
{
GLint i;
GLint j;
static const GLfloat tex_coords[] = { 0.0, 0.0, 1.0, 1.0, 0.0 };
static const GLfloat vtx_coords[] = { -1.0, -1.0, 1.0, 1.0, -1.0 };
if (!TexEnabled[0] && !TexEnabled[1])
glColor3f(0.1, 0.1, 0.1); /* add onto this */
else
glColor3f(1, 1, 1); /* modulate this */
glBegin(GL_QUADS);
/* Toggle between the vector and scalar entry points. This is done purely
* to hit multiple paths in the driver.
*/
if ( Drift > 0.49 ) {
for (j = 0; j < 4; j++ ) {
for (i = 0; i < NumUnits; i++)
glMultiTexCoord2fARB(GL_TEXTURE0_ARB + i,
tex_coords[j], tex_coords[j+1]);
glVertex2f( vtx_coords[j], vtx_coords[j+1] );
}
}
else {
for (j = 0; j < 4; j++ ) {
for (i = 0; i < NumUnits; i++)
glMultiTexCoord2fvARB(GL_TEXTURE0_ARB + i, & tex_coords[j]);
glVertex2fv( & vtx_coords[j] );
}
}
glEnd();
}
Sky::Impl::Impl(const std::string &tex_file, const Color &col, float alt, float reps) :
color(col),
altitude(alt),
repeats(reps),
texture(tex_file),
sim_time(0),
shader("sky"),
tr(TextureMgr::get_ref())
{
if(Settings::current.use_arb_multitexturing && Settings::current.use_arb_texture_env_combine) {
list.begin();
for(int i=-5;i<5;i++) {
glBegin(GL_TRIANGLE_STRIP);
for(int j=-5;j<6;j++) {
glMultiTexCoord2fARB((GLenum)GL_TEXTURE0_ARB,i,j);
glMultiTexCoord2fARB((GLenum)GL_TEXTURE1_ARB,i,j);
glVertex3f(i*1000,altitude,j*1000);
glMultiTexCoord2fARB((GLenum)GL_TEXTURE0_ARB,(i+1),j);
glMultiTexCoord2fARB((GLenum)GL_TEXTURE1_ARB,(i+1),j);
glVertex3f((i+1)*1000,altitude,j*1000);
}
glEnd();
}
list.end();
} else {
list.begin();
// FIXME: maximum view distance fixed to 5000m here
for(int i=-5;i<5;i++) {
glBegin(GL_TRIANGLE_STRIP);
for(int j=-5;j<6;j++) {
glTexCoord2f(i,j);
glVertex3f(i*1000,altitude,j*1000);
glTexCoord2f(i+1,j);
glVertex3f((i+1)*1000,altitude,j*1000);
}
glEnd();
}
list.end();
}
if(Settings::current.use_arb_multitexturing && Settings::current.use_arb_texture_env_combine) {
shader.pre_load();
} else {
tr->load(tex_file);
}
}
void APIENTRY gldMTexCoord2fSGIS(
GLenum target,
GLfloat s,
GLfloat t)
{
GLenum ARB_target = GL_TEXTURE0_ARB + (target - GL_TEXTURE0_SGIS);
glMultiTexCoord2fARB(ARB_target, s, t);
}
void multi_tex_coord_2f(int stage, float s, float t)
// Texture coords for the current vertex, in the specified
// stage.
{
if (glMultiTexCoord2fARB)
{
glMultiTexCoord2fARB(stage, s, t);
}
}
void moTexturedGrid::SetTexCoord(MOint i, MOint j, MOint l)
{
float s, t;
for (int k = 1; k <= l; k++)
{
GetPoint(k, i, j, s, t);
glMultiTexCoord2fARB(GL_TEXTURE0_ARB + k - 1, s, t);
}
}
void CSm3ReadMap::DrawMinimap ()
{
if (!minimapTexture)
return;
// draw the minimap in a quad (with extends: (0,0)-(1,1))
glDisable(GL_BLEND);
glDisable(GL_ALPHA_TEST);
glActiveTextureARB(GL_TEXTURE0_ARB);
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, minimapTexture);
glTexEnvi(GL_TEXTURE_ENV,GL_TEXTURE_ENV_MODE,GL_REPLACE);
if(groundDrawer->DrawExtraTex()){
glActiveTextureARB(GL_TEXTURE1_ARB);
glEnable(GL_TEXTURE_2D);
glTexEnvi(GL_TEXTURE_ENV,GL_COMBINE_RGB_ARB,GL_ADD_SIGNED_ARB);
glTexEnvi(GL_TEXTURE_ENV,GL_TEXTURE_ENV_MODE,GL_COMBINE_ARB);
glBindTexture(GL_TEXTURE_2D, groundDrawer->infoTex);
glActiveTextureARB(GL_TEXTURE0_ARB);
}
float isx=gs->mapx/float(gs->pwr2mapx);
float isy=gs->mapy/float(gs->pwr2mapy);
glBegin(GL_QUADS);
glTexCoord2f(0,isy);
glMultiTexCoord2fARB(GL_TEXTURE1_ARB,0,1);
glMultiTexCoord2fARB(GL_TEXTURE2_ARB,0,isy);
glVertex2f(0,0);
glTexCoord2f(0,0);
glMultiTexCoord2fARB(GL_TEXTURE1_ARB,0,0);
glMultiTexCoord2fARB(GL_TEXTURE2_ARB,0,0);
glVertex2f(0,1);
glTexCoord2f(isx,0);
glMultiTexCoord2fARB(GL_TEXTURE1_ARB,1,0);
glMultiTexCoord2fARB(GL_TEXTURE2_ARB,isx,0);
glVertex2f(1,1);
glTexCoord2f(isx,isy);
glMultiTexCoord2fARB(GL_TEXTURE1_ARB,1,1);
glMultiTexCoord2fARB(GL_TEXTURE2_ARB,isx,isy);
glVertex2f(1,0);
glEnd();
glActiveTextureARB(GL_TEXTURE1_ARB);
glTexEnvi(GL_TEXTURE_ENV,GL_TEXTURE_ENV_MODE,GL_MODULATE);
glDisable(GL_TEXTURE_2D);
glActiveTextureARB(GL_TEXTURE0_ARB);
glTexEnvi(GL_TEXTURE_ENV,GL_TEXTURE_ENV_MODE,GL_MODULATE);
glDisable(GL_TEXTURE_2D);
}
void Terrain::Render()
{
for(int z = 0; z < depth - 1; ++z)
{
glBegin(GL_TRIANGLE_STRIP);
for(int x = 0; x < width; ++x)
{
glNormal3f(VertexAt(x, z).nx, VertexAt(x, z).ny, VertexAt(x, z).nz);
glMultiTexCoord2fARB(GL_TEXTURE0_ARB, (float)x / width, (float)z / depth);
//glMultiTexCoord2fARB(GL_TEXTURE1_ARB, 0.0f, x%2);
glVertex3f(x -(width * 0.5) , VertexAt(x, z).y, z -(depth * 0.5));
glNormal3f(VertexAt(x, z + 1).nx, VertexAt(x, z + 1).ny, VertexAt(x, z + 1).nz);
glMultiTexCoord2fARB(GL_TEXTURE0_ARB, (float)x / width, (float)(z + 1) / depth);
//glMultiTexCoord2fARB(GL_TEXTURE1_ARB, 1.0f, x%2);
glVertex3f(x -(width * 0.5), VertexAt(x, z + 1).y, z + 1 -(depth * 0.5));
}
glEnd();
}
}
void TextureManager::textureCoord2f(uint32 n, float u, float v) {
if (n >= ARRAYSIZE(texture))
return;
if (n == 0) {
glTexCoord2f(u, v);
return;
}
if (GfxMan.supportMultipleTextures())
glMultiTexCoord2fARB(texture[n], u, v);
}
//*****************************************************************************
void BTerrainBlock::SetTextureCoordinate(BVector vPoint) {
if(OpenGLHelpers::m_bMultiTexturing) {
// Use first texture unit
/*
if(vPoint.m_dZ <= -126.0) {
glMultiTexCoord2fARB(GL_TEXTURE0_ARB, 0.5f, 62.0f/64.0f);
} else if(vPoint.m_dZ > 0.0) {
glMultiTexCoord2fARB(GL_TEXTURE0_ARB, 0.5f, 0.0f);
} else {
glMultiTexCoord2fARB(GL_TEXTURE0_ARB, 0.5f, float(-vPoint.m_dZ) / 128.0f);
}
*/
//glMultiTexCoord2fARB(GL_TEXTURE0_ARB, float(vPoint.m_dX) / 1000.0f, float(vPoint.m_dY) / 1000.0f);
glMultiTexCoord2fARB(GL_TEXTURE0_ARB, float(vPoint.m_dX) * BTerrain::m_fGroundTextureScaler1, float(vPoint.m_dY) * BTerrain::m_fGroundTextureScaler1);
// Use second texture unit
//glMultiTexCoord2fARB(GL_TEXTURE1_ARB, float(vPoint.m_dX) / 100.0f, float(vPoint.m_dY) / 100.0f);
glMultiTexCoord2fARB(GL_TEXTURE1_ARB, float(vPoint.m_dX) * BTerrain::m_fGroundTextureScaler2, float(vPoint.m_dY) * BTerrain::m_fGroundTextureScaler2);
} else {
// No multitexturing, use second texture unit coordinates
glTexCoord2f(float(vPoint.m_dX) * BTerrain::m_fGroundTextureScaler1, float(vPoint.m_dY) * BTerrain::m_fGroundTextureScaler1);
}
}
void HUD_Picture::Render()
{
// setup and bind texture
glActiveTextureARB(GL_TEXTURE0_ARB );
//bind texture 0
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D,texture);
glBegin(GL_QUADS);
glMultiTexCoord2fARB( GL_TEXTURE0_ARB, 1, 1);
glVertex2f(xPos+width, yPos+height);
glMultiTexCoord2fARB( GL_TEXTURE0_ARB, 0, 1);
glVertex2f(xPos, yPos+height);
glMultiTexCoord2fARB( GL_TEXTURE0_ARB, 0, 0);
glVertex2f(xPos,yPos);
glMultiTexCoord2fARB( GL_TEXTURE0_ARB, 1, 0);
glVertex2f(xPos+width, yPos);
glEnd();
glActiveTextureARB( GL_TEXTURE0_ARB );
glDisable( GL_TEXTURE_2D );
glBindTexture( GL_TEXTURE_2D, 0 );
}
static void draw( void )
{
glClear( GL_COLOR_BUFFER_BIT );
glColor3f( 0.0, 0.0, 0.0 );
/* draw first polygon */
glPushMatrix();
glRotatef( Angle, 0.0, 0.0, 1.0 );
if (UseArrays) {
glDrawArrays(GL_POLYGON, 0, 4);
}
else {
glBegin( GL_POLYGON );
glTexCoord2f( 0.0, 0.0 );
glMultiTexCoord2fARB(GL_TEXTURE1_ARB, 0.0, 0.0);
glVertex2f( -1.0, -1.0 );
glTexCoord2f( 1.0, 0.0 );
glMultiTexCoord2fARB(GL_TEXTURE1_ARB, 1.0, 0.0);
glVertex2f( 1.0, -1.0 );
glTexCoord2f( 1.0, 1.0 );
glMultiTexCoord2fARB(GL_TEXTURE1_ARB, 1.0, 1.0);
glVertex2f( 1.0, 1.0 );
glTexCoord2f( 0.0, 1.0 );
glMultiTexCoord2fARB(GL_TEXTURE1_ARB, 0.0, 1.0);
glVertex2f( -1.0, 1.0 );
glEnd();
}
glPopMatrix();
glutSwapBuffers();
}
void ObjMeshGPUDeformer::MakeDisplayListsPoints()
{
printf("Creating display list for points...\n");
displayListPoints = glGenLists(1);
glNewList(displayListPoints, GL_COMPILE);
glBegin(GL_POINTS);
for (int i=0; i < (int)mesh->getNumVertices(); i++)
{
float s = gpgpuVertexTextureCoordinates[2*i+0];
float t = gpgpuVertexTextureCoordinates[2*i+1];
glMultiTexCoord2fARB(GL_TEXTURE0_ARB, s, t);
Vec3d pos = mesh->getPosition(i);
glVertex3f(pos[0], pos[1], pos[2]);
}
glEnd();
glEndList();
}
void DrawTile(float x, float y, float z, float size)
{
size *= 0.5;
glNormal3f( 0.0f, 1.0f, 0.0f );
glBegin(GL_TRIANGLE_STRIP);
glMultiTexCoord2fARB(GL_TEXTURE1_ARB, 0.0f, 0.0f);
glMultiTexCoord2fARB(GL_TEXTURE0_ARB, 0.0f, 0.0f);
glVertex3f(x + size, y, z - size);
glMultiTexCoord2fARB(GL_TEXTURE1_ARB, 1.0f, 0.0f);
glMultiTexCoord2fARB(GL_TEXTURE0_ARB, 1.0f, 0.0f);
glVertex3f(x - size, y, z - size);
glMultiTexCoord2fARB(GL_TEXTURE1_ARB, 0.0f, 1.0f);
glMultiTexCoord2fARB(GL_TEXTURE0_ARB, 0.0f, 1.0f);
glVertex3f(x + size, y, z + size);
glMultiTexCoord2fARB(GL_TEXTURE1_ARB, 1.0f, 1.0f);
glMultiTexCoord2fARB(GL_TEXTURE0_ARB, 1.0f, 1.0f);
glVertex3f(x - size, y, z + size);
glEnd();
}
void display(void)
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glBegin(GL_TRIANGLES);
glMultiTexCoord2fARB (GL_TEXTURE0_ARB, 0.0, 0.0);
glMultiTexCoord2fARB (GL_TEXTURE1_ARB, 1.0, 0.0);
glVertex2f(0.0, 0.0);
glMultiTexCoord2fARB (GL_TEXTURE0_ARB, 0.5, 1.0);
glMultiTexCoord2fARB (GL_TEXTURE1_ARB, 0.5, 0.0);
glVertex2f(50.0, 100.0);
glMultiTexCoord2fARB (GL_TEXTURE0_ARB, 1.0, 0.0);
glMultiTexCoord2fARB (GL_TEXTURE1_ARB, 1.0, 1.0);
glVertex2f(100.0, 0.0);
glEnd();
glFlush();
}
static void DrawObject(void)
{
glBegin(GL_QUADS);
#ifdef GL_ARB_multitexture
glMultiTexCoord2fARB(GL_TEXTURE0_ARB, 0.0, 0.0);
glMultiTexCoord2fARB(GL_TEXTURE1_ARB, 0.0, 0.0);
glVertex2f(-1.0, -1.0);
glMultiTexCoord2fARB(GL_TEXTURE0_ARB, 2.0, 0.0);
glMultiTexCoord2fARB(GL_TEXTURE1_ARB, 1.0, 0.0);
glVertex2f(1.0, -1.0);
glMultiTexCoord2fARB(GL_TEXTURE0_ARB, 2.0, 2.0);
glMultiTexCoord2fARB(GL_TEXTURE1_ARB, 1.0, 1.0);
glVertex2f(1.0, 1.0);
glMultiTexCoord2fARB(GL_TEXTURE0_ARB, 0.0, 2.0);
glMultiTexCoord2fARB(GL_TEXTURE1_ARB, 0.0, 1.0);
glVertex2f(-1.0, 1.0);
#else
glTexCoord2f(0.0, 0.0);
glVertex2f(-1.0, -1.0);
glTexCoord2f(1.0, 0.0);
glVertex2f(1.0, -1.0);
glTexCoord2f(1.0, 1.0);
glVertex2f(1.0, 1.0);
glTexCoord2f(0.0, 1.0);
glVertex2f(-1.0, 1.0);
#endif
glEnd();
}
void CWater::RenderWater(CVec3f cameraPos, CFloat elapsedTime )
{
if( g_fogBlurPass )
{
glDisable( GL_CULL_FACE );
glBegin( GL_QUADS );
glVertex3f(m_sidePoint[0].x, m_sidePoint[0].y, m_sidePoint[0].z);
glVertex3f(m_sidePoint[1].x, m_sidePoint[1].y, m_sidePoint[1].z);
glVertex3f(m_sidePoint[2].x, m_sidePoint[2].y, m_sidePoint[2].z);
glVertex3f(m_sidePoint[3].x, m_sidePoint[3].y, m_sidePoint[3].z);
glEnd();
glEnable( GL_CULL_FACE );
}
else
{
glDisable( GL_CULL_FACE );
// Turn on the first texture unit and bind the REFLECTION texture
glActiveTexture(GL_TEXTURE0);
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, m_waterTexture[WATER_REFLECTION_ID]);
// Turn on the second texture unit and bind the REFRACTION texture
glActiveTexture(GL_TEXTURE1);
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, m_waterTexture[WATER_REFRACTION_ID]);
// Turn on the third texture unit and bind the NORMAL MAP texture
glActiveTexture(GL_TEXTURE2);
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, m_normalMapImg->GetId() );
// Turn on the fourth texture unit and bind the DUDV MAP texture
glActiveTexture(GL_TEXTURE3);
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, m_dudvMapImg->GetId() );
// Turn on the fifth texture unit and bind the DEPTH texture
glActiveTexture(GL_TEXTURE4);
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, m_waterTexture[WATER_DEPTH_ID]);
// Set the variable "reflection" to correspond to the first texture unit
GLint uniform = glGetUniformLocationARB(g_render.m_waterProgram, "reflection");
glUniform1iARB(uniform, 0); //second paramter is the texture unit
// Set the variable "refraction" to correspond to the second texture unit
uniform = glGetUniformLocationARB(g_render.m_waterProgram, "refraction");
glUniform1iARB(uniform, 1);
// Set the variable "normalMap" to correspond to the third texture unit
uniform = glGetUniformLocationARB(g_render.m_waterProgram, "normalMap");
glUniform1iARB(uniform, 2);
// Set the variable "dudvMap" to correspond to the fourth texture unit
uniform = glGetUniformLocationARB(g_render.m_waterProgram, "dudvMap");
glUniform1iARB(uniform, 3);
// Set the variable "depthMap" to correspond to the fifth texture unit
uniform = glGetUniformLocationARB(g_render.m_waterProgram, "depthMap");
glUniform1iARB(uniform, 4);
// Give the variable "waterColor" a blue color
uniform = glGetUniformLocationARB(g_render.m_waterProgram, "waterColor");
glUniform4fARB(uniform, 0.1f, 0.2f, 0.3f, 1.0f);
// We don't use lighting, but we do need to calculate
// the diffuse and specular lighting on the water to increase realism.
// position the light so it's near the light in the sky box texture.
CVec3f lightPos(m_fWaterLPos[0], m_fWaterLPos[1], m_fWaterLPos[2]);
// Give the variable "lightPos" our hard coded light position
uniform = glGetUniformLocationARB(g_render.m_waterProgram, "lightPos");
glUniform4fARB(uniform, lightPos.x, lightPos.y, lightPos.z, 1.0f);
// Give the variable "cameraPos" our camera position
uniform = glGetUniformLocationARB(g_render.m_waterProgram, "cameraPos");
glUniform4fARB(uniform, cameraPos.x, cameraPos.y, cameraPos.z, 1.0f);
// Create a static variable for the movement of the water
static float move = 0.0f;
// Use this variable for the normal map and make it slower
// than the refraction map's speed. We want the refraction
// map to be jittery, but not the normal map's waviness.
float move2 = move * kNormalMapScale;
// Set the refraction map's UV coordinates to our global g_WaterUV
float refrUV = m_fWaterUV;
// Set our normal map's UV scale and shrink it by kNormalMapScale
float normalUV = m_fWaterUV * kNormalMapScale;
// Move the water by our global speed
move += m_fWaterSpeed * elapsedTime;
glUseProgram( g_render.m_waterProgram );
// Draw our huge water quad
glBegin(GL_QUADS);
// The back left vertex for the water
glMultiTexCoord2fARB(GL_TEXTURE0_ARB, 0.0f, m_fWaterUV); // Reflection texture
glMultiTexCoord2fARB(GL_TEXTURE1_ARB, 0.0f, refrUV - move); // Refraction texture
glMultiTexCoord2fARB(GL_TEXTURE2_ARB, 0.0f, normalUV + move2); // Normal map texture
glMultiTexCoord2fARB(GL_TEXTURE3_ARB, 0, 0); // DUDV map texture
glMultiTexCoord2fARB(GL_TEXTURE4_ARB, 0, 0); // Depth texture
glVertex3f(m_sidePoint[0].x, m_sidePoint[0].y, m_sidePoint[0].z);
// The front left vertex for the water
glMultiTexCoord2fARB(GL_TEXTURE0_ARB, 0.0f, 0.0f); // Reflection texture
glMultiTexCoord2fARB(GL_TEXTURE1_ARB, 0.0f, 0.0f - move); // Refraction texture
glMultiTexCoord2fARB(GL_TEXTURE2_ARB, 0.0f, 0.0f + move2); // Normal map texture
glMultiTexCoord2fARB(GL_TEXTURE3_ARB, 0, 0); // DUDV map texture
glMultiTexCoord2fARB(GL_TEXTURE4_ARB, 0, 0); // Depth texture
glVertex3f(m_sidePoint[1].x, m_sidePoint[1].y, m_sidePoint[1].z);
// The front right vertex for the water
glMultiTexCoord2fARB(GL_TEXTURE0_ARB, m_fWaterUV, 0.0f); // Reflection texture
glMultiTexCoord2fARB(GL_TEXTURE1_ARB, refrUV, 0.0f - move); // Refraction texture
glMultiTexCoord2fARB(GL_TEXTURE2_ARB, normalUV, 0.0f + move2); // Normal map texture
glMultiTexCoord2fARB(GL_TEXTURE3_ARB, 0, 0); // DUDV map texture
glMultiTexCoord2fARB(GL_TEXTURE4_ARB, 0, 0); // Depth texture
glVertex3f(m_sidePoint[2].x, m_sidePoint[2].y, m_sidePoint[2].z);
// The back right vertex for the water
glMultiTexCoord2fARB(GL_TEXTURE0_ARB, m_fWaterUV, m_fWaterUV); // Reflection texture
glMultiTexCoord2fARB(GL_TEXTURE1_ARB, refrUV, refrUV - move); // Refraction texture
glMultiTexCoord2fARB(GL_TEXTURE2_ARB, normalUV, normalUV + move2); // Normal map texture
glMultiTexCoord2fARB(GL_TEXTURE3_ARB, 0, 0); // DUDV map texture
glMultiTexCoord2fARB(GL_TEXTURE4_ARB, 0, 0); // Depth texture
glVertex3f(m_sidePoint[3].x, m_sidePoint[3].y, m_sidePoint[3].z);
glEnd();
// Turn the fifth multi-texture pass off
glActiveTexture(GL_TEXTURE4);
glBindTexture( GL_TEXTURE_2D, 0 );
glDisable(GL_TEXTURE_2D);
// Turn the fourth multi-texture pass off
glActiveTexture(GL_TEXTURE3);
glBindTexture( GL_TEXTURE_2D, 0 );
glDisable(GL_TEXTURE_2D);
// Turn the third multi-texture pass off
glActiveTexture(GL_TEXTURE2);
glBindTexture( GL_TEXTURE_2D, 0 );
glDisable(GL_TEXTURE_2D);
// Turn the second multi-texture pass off
glActiveTexture(GL_TEXTURE1);
glBindTexture( GL_TEXTURE_2D, 0 );
glDisable(GL_TEXTURE_2D);
// Turn the first multi-texture pass off
glActiveTexture(GL_TEXTURE0);
glBindTexture( GL_TEXTURE_2D, 0 );
glDisable(GL_TEXTURE_2D);
glEnable( GL_CULL_FACE );
glDisable(GL_TEXTURE_2D);
}
}
/**
* @fn Flo::Display()
* @brief Displays the simulation on a screen quad.
*/
void Flo::Display(DisplayMode mode,
bool bilerp /* = false */,
bool makeTex /*= false*/,
bool displayBoundary /* = false */)
{
FloDisplayOp *display;
// If makeTex is true, then we render to a viewport the size of the
// simulation, rather than the whole window. Then (see below), we copy the
// viewport to a texture. This is a regular (non-float) 2D texture, and we
// can enable bilinear filtering when rendering it. This is faster than
// performing the bilinear filtering directly on the float texture in a
// fragment program, but the quality of the filtering is lower.
// Also note that makeTex causes the scaled and biased fields, such as the
// velocity, pressure, and vorticity, to lose their scaling and biasing on
// display...
if (makeTex)
{
glPushAttrib(GL_VIEWPORT_BIT);
glViewport(0, 0, _iWidth, _iHeight);
}
static DisplayMode previous = DISPLAY_COUNT;
if (mode != previous)
{
switch(mode)
{
default:
case DISPLAY_INK:
display = (bilerp) ? &_displayVectorBilerp : &_displayVector;
display->SetFragmentParameter4f("bias", 0, 0, 0, 0);
display->SetFragmentParameter4f("scale", 1, 1, 1, 1);
display->SetTextureParameter("texture", _iTextures[TEXTURE_DENSITY]);
break;
case DISPLAY_VELOCITY:
display = (bilerp) ? &_displayVectorBilerp : &_displayVector;
display->SetFragmentParameter4f("bias", 0.5f, 0.5f, 0.5f, 0.5f);
display->SetFragmentParameter4f("scale", 0.5f, 0.5f, 0.5f, 0.5f);
display->SetTextureParameter("texture", _iTextures[TEXTURE_VELOCITY]);
break;
case DISPLAY_PRESSURE:
display = (bilerp) ? &_displayScalarBilerp : &_displayScalar;
display->SetFragmentParameter4f("bias", 0, 0, 0, 0);
display->SetFragmentParameter4f("scale", 2, -1, -2, 1);
display->SetTextureParameter("texture", _iTextures[TEXTURE_PRESSURE]);
break;
case DISPLAY_VORTICITY:
display = (bilerp) ? &_displayScalarBilerp : &_displayScalar;
display->SetFragmentParameter4f("bias", 0, 0, 0, 0);
display->SetFragmentParameter4f("scale", 1, 1, -1, 1);
display->SetTextureParameter("texture", _iTextures[TEXTURE_VORTICITY]);
break;
}
}
display->Compute();
// See the comments about makeTex at the top of this method.
if (makeTex)
{
glBindTexture(GL_TEXTURE_2D, _iDisplayTexture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, _iWidth, _iHeight);
glPopAttrib(); // GL_VIEWPORT_BIT
glEnable(GL_TEXTURE_2D);
// now display
glBegin(GL_QUADS);
{
glTexCoord2f(0, 0); glVertex2f(0, 0);
glTexCoord2f(1, 0); glVertex2f(1, 0);
glTexCoord2f(1, 1); glVertex2f(1, 1);
glTexCoord2f(0, 1); glVertex2f(0, 1);
}
glEnd();
glDisable(GL_TEXTURE_2D);
}
if (displayBoundary)
{
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_BLEND);
glBindTexture(GL_TEXTURE_2D, _iBCDisplayTexture);
glEnable(GL_TEXTURE_2D);
glActiveTextureARB(GL_TEXTURE1_ARB);
glTexEnvf(GL_TEXTURE_2D, GL_TEXTURE_ENV_MODE, GL_MODULATE);
glBindTexture(GL_TEXTURE_2D, _iBCDetailTexture);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glEnable(GL_TEXTURE_2D);
glBegin(GL_QUADS);
{
glColor4f(1, 1, 1, 1);
glTexCoord2f(0, 0); glMultiTexCoord2fARB(GL_TEXTURE1_ARB, 0, 0); glVertex2f(0, 0);
glTexCoord2f(1, 0); glMultiTexCoord2fARB(GL_TEXTURE1_ARB, 1, 0); glVertex2f(1, 0);
glTexCoord2f(1, 1); glMultiTexCoord2fARB(GL_TEXTURE1_ARB, 1, 1); glVertex2f(1, 1);
glTexCoord2f(0, 1); glMultiTexCoord2fARB(GL_TEXTURE1_ARB, 0, 1); glVertex2f(0, 1);
}
glEnd();
glDisable(GL_TEXTURE_2D);
glActiveTextureARB(GL_TEXTURE0_ARB);
glDisable(GL_TEXTURE_2D);
glDisable(GL_BLEND);
}
}
void gDP_TexRect(unsigned int w0, unsigned int w1, unsigned int w2, unsigned int w3)
{
// dbgprintf(0,0,"%s(%08x, %08x, %08x, %08x);", __FUNCTION__,w0,w1,w2,w3);
// CALCULATE!
unsigned int ULX = _SHIFTR(w1, 12, 12) / 2;
unsigned int ULY = _SHIFTR(w1, 0, 12) / 2;
unsigned int LRX = _SHIFTR(w0, 12, 12) / 2;
unsigned int LRY = _SHIFTR(w0, 0, 12) / 2;
float ULS[2], ULT[2], LRS[2], LRT[2];
float Off_S = (float)((short)((w2 & 0xFFFF0000) >> 16)) / 32.0f;
float Off_T = (float)((short)(w2 & 0x0000FFFF)) / 32.0f;
float DSDX = (float)((short)((w3 & 0xFFFF0000) >> 16)) / 1024.0f;
float DTDY = (float)((short)(w3 & 0x0000FFFF)) / 1024.0f;
if(Gfx.OtherMode.cycleType >= 2) {
DSDX = 1.0f;
LRX++;
LRY++;
}
// dbgprintf(0,0,"Coords: %i, %i -> %i, %i", ULX, ULY, LRX, LRY);
if(Gfx.OtherMode.cycleType == G_CYC_COPY) DSDX /= 4.0f;
float Off_X = (float)Off_S;
float Off_Y = (float)Off_T;
float Off_Size_X = (float)((LRX - ULX) * DSDX);
float Off_Size_Y = (float)((LRY - ULY) * DTDY);
RDP_InitLoadTexture();
int i = 0;
for(i = 0; i < 2; i++) {
Texture[i].TexRectW = Off_Size_X;
Texture[i].TexRectH = Off_Size_Y;
Texture[i].IsTexRect = true;
RDP_CalcTextureSize(i);
// dbgprintf(0,0,"Tex%i: RW:%i, RH:%i", i, Texture[i].RealWidth, Texture[i].RealHeight);
float SX = 1.0f, SY = 1.0f;
if(Texture[i].ShiftS > 10) {
SX = (1 << (16 - Texture[i].ShiftS));
} else if(Texture[i].ShiftS > 0) {
SX /= (1 << Texture[i].ShiftS);
}
if(Texture[i].ShiftT > 10) {
SY = (1 << (16 - Texture[i].ShiftT));
} else if(Texture[i].ShiftT > 0) {
SY /= (1 << Texture[i].ShiftT);
}
ULS[i] = (Off_X * SX);
ULT[i] = (Off_Y * SY);
ULS[i] -= Texture[i].ULS + Texture[i].ScaleS - 0.5f;
ULT[i] -= Texture[i].ULT + Texture[i].ScaleT - 0.5f;
LRS[i] = (ULS[i] + Off_Size_X * SX - 1.0f);
LRT[i] = (ULT[i] + Off_Size_Y * SY - 1.0f);
ULS[i] /= Texture[i].RealWidth * 2.0f;
ULT[i] /= Texture[i].RealHeight * 2.0f;
LRS[i] /= Texture[i].RealWidth * 2.0f;
LRT[i] /= Texture[i].RealHeight * 2.0f;
// dbgprintf(0,0,"Tex%i: ULS:%4.2f, ULT:%4.2f, LRS:%4.2f, LRS:%4.2f", i, ULS[i], ULT[i], LRS[i], LRT[i]);
}
// RENDER!
if(Gfx.Update) RDP_UpdateGLStates();
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity();
glOrtho(0, System.DrawWidth, System.DrawHeight, 0, -2048, 2048);
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glLoadIdentity();
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
if(Gfx.OtherMode.cycleType == G_CYC_FILL) {
glColor4f(Gfx.FillColor.R, Gfx.FillColor.G, Gfx.FillColor.B, Gfx.FillColor.A);
} else {
glColor4f(Gfx.BlendColor.R, Gfx.BlendColor.G, Gfx.BlendColor.B, Gfx.BlendColor.A);
}
glBegin(GL_QUADS);
if(OpenGL.Ext_MultiTexture) {
glMultiTexCoord2fARB(GL_TEXTURE0_ARB, ULS[0], ULT[0]);
glMultiTexCoord2fARB(GL_TEXTURE1_ARB, ULS[1], ULT[1]);
glVertex2d(ULX, ULY);
glMultiTexCoord2fARB(GL_TEXTURE0_ARB, LRS[0], ULT[0]);
glMultiTexCoord2fARB(GL_TEXTURE1_ARB, LRS[1], ULT[1]);
glVertex2d(LRX, ULY);
glMultiTexCoord2fARB(GL_TEXTURE0_ARB, LRS[0], LRT[0]);
glMultiTexCoord2fARB(GL_TEXTURE1_ARB, LRS[1], LRT[1]);
glVertex2d(LRX, LRY);
glMultiTexCoord2fARB(GL_TEXTURE0_ARB, ULS[0], LRT[0]);
glMultiTexCoord2fARB(GL_TEXTURE1_ARB, ULS[1], LRT[1]);
glVertex2d(ULX, LRY);
} else {
glTexCoord2f(ULS[0], ULT[0]); glVertex2d(ULX, ULY);
glTexCoord2f(LRS[0], ULT[0]); glVertex2d(LRX, ULY);
glTexCoord2f(LRS[0], LRT[0]); glVertex2d(LRX, LRY);
glTexCoord2f(ULS[0], LRT[0]); glVertex2d(ULX, LRY);
}
glEnd();
glMatrixMode(GL_PROJECTION);
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
glPopMatrix();
// dbgprintf(0,0,"TEXRECT done.\n\n");
}
void DrawScene (WindowData *pwdata)
{
// If WIN_swap_hint extension is supported, use it to create GREEN
// border around the frame. We render the first frame with GREEN.
// The second frame is the actual rendering rectangle - but is
// swapped with a smaller swap rectangle.
if (pwdata->hasWinSwapHint) {
glClearColor (0.0, 1.0, 0.0, 0.0); // GREEN
glClear(GL_COLOR_BUFFER_BIT);
SwapBuffers (pwdata->hDC);
// Setup the swap hint rect for the next frame
//==========================================================
//==========================================================
// Use an extension function without doing anything special!
// OpenGL 1.2, OpenGL 1.3 procs can be used similarly - as
// long we ensure it is supported - just as we have done
// for SwapHint here.
//==========================================================
//==========================================================
glAddSwapHintRectWIN(20, 20, pwdata->width - 40, pwdata->height - 40);
}
// Render a triangle - multi-textured if ARB_multitexture is supported.
glClearColor (0.0, 0.0, 0.0, 0.0); // BLACK
glClear(GL_COLOR_BUFFER_BIT);
glMatrixMode (GL_MODELVIEW);
glLoadIdentity();
glRotatef (pwdata->spin, 0.0, 0.0, 1.0);
pwdata->spin += 2;
if (pwdata->spin >= 360) {
pwdata->spin = 0;
}
if (pwdata->hasMultitexture) {
//==========================================================
//==========================================================
// Use an extension function without doing anything special!
// OpenGL 1.2, OpenGL 1.3 procs can be used similarly - as
// long we ensure it is supported - just as we have done
// for MultiTexCoord here.
//==========================================================
//==========================================================
glBegin( GL_POLYGON );
glMultiTexCoord2fARB (GL_TEXTURE1_ARB, 0.0, 0.0);
glColor3f (1.0, 0.0, 0.0);
glVertex3f(0.0, 0.0, 0.0);
glMultiTexCoord2fARB (GL_TEXTURE1_ARB, 1.0, 0.0);
glColor3f (0.0, 1.0, 0.0);
glVertex3f(0.5, 0.0, 0.0);
glMultiTexCoord2fARB (GL_TEXTURE1_ARB, 1.0, 1.0);
glColor3f (0.0, 0.0, 1.0);
glVertex3f(0.5, 0.5, 0.0);
glEnd();
} else {
glBegin( GL_POLYGON );
glColor3f (1.0, 0.0, 0.0);
glVertex3f(0.0, 0.0, 0.0);
glColor3f (0.0, 1.0, 0.0);
glVertex3f(0.5, 0.0, 0.0);
glColor3f (0.0, 0.0, 1.0);
glVertex3f(0.5, 0.5, 0.0);
glEnd();
}
SwapBuffers (pwdata->hDC);
}
void LLPostProcess::drawOrthoQuad(unsigned int width, unsigned int height, QuadType type)
{
#if 0
float noiseX = 0.f;
float noiseY = 0.f;
float screenRatio = 1.0f;
if (type == QUAD_NOISE){
noiseX = ((float) rand() / (float) RAND_MAX);
noiseY = ((float) rand() / (float) RAND_MAX);
screenRatio = (float) width / (float) height;
}
glBegin(GL_QUADS);
if (type != QUAD_BLOOM_EXTRACT){
glMultiTexCoord2fARB(GL_TEXTURE0_ARB, 0.f, (GLfloat) height);
} else {
glMultiTexCoord2fARB(GL_TEXTURE0_ARB, 0.f, (GLfloat) height * 2.0f);
}
if (type == QUAD_NOISE){
glMultiTexCoord2fARB(GL_TEXTURE1_ARB,
noiseX,
noiseTextureScale + noiseY);
} else if (type == QUAD_BLOOM_COMBINE){
glMultiTexCoord2fARB(GL_TEXTURE1_ARB, 0.f, (GLfloat) height * 0.5f);
}
glVertex2f(0.f, (GLfloat) screenH - height);
if (type != QUAD_BLOOM_EXTRACT){
glMultiTexCoord2fARB(GL_TEXTURE0_ARB, 0.f, 0.f);
} else {
glMultiTexCoord2fARB(GL_TEXTURE0_ARB, 0.f, 0.f);
}
if (type == QUAD_NOISE){
glMultiTexCoord2fARB(GL_TEXTURE1_ARB,
noiseX,
noiseY);
} else if (type == QUAD_BLOOM_COMBINE){
glMultiTexCoord2fARB(GL_TEXTURE1_ARB, 0.f, 0.f);
}
glVertex2f(0.f, (GLfloat) height + (screenH - height));
if (type != QUAD_BLOOM_EXTRACT){
glMultiTexCoord2fARB(GL_TEXTURE0_ARB, (GLfloat) width, 0.f);
} else {
glMultiTexCoord2fARB(GL_TEXTURE0_ARB, (GLfloat) width * 2.0f, 0.f);
}
if (type == QUAD_NOISE){
glMultiTexCoord2fARB(GL_TEXTURE1_ARB,
screenRatio * noiseTextureScale + noiseX,
noiseY);
} else if (type == QUAD_BLOOM_COMBINE){
glMultiTexCoord2fARB(GL_TEXTURE1_ARB, (GLfloat) width * 0.5f, 0.f);
}
glVertex2f((GLfloat) width, (GLfloat) height + (screenH - height));
if (type != QUAD_BLOOM_EXTRACT){
glMultiTexCoord2fARB(GL_TEXTURE0_ARB, (GLfloat) width, (GLfloat) height);
} else {
glMultiTexCoord2fARB(GL_TEXTURE0_ARB, (GLfloat) width * 2.0f, (GLfloat) height * 2.0f);
}
if (type == QUAD_NOISE){
glMultiTexCoord2fARB(GL_TEXTURE1_ARB,
screenRatio * noiseTextureScale + noiseX,
noiseTextureScale + noiseY);
} else if (type == QUAD_BLOOM_COMBINE){
glMultiTexCoord2fARB(GL_TEXTURE1_ARB, (GLfloat) width * 0.5f, (GLfloat) height * 0.5f);
}
glVertex2f((GLfloat) width, (GLfloat) screenH - height);
glEnd();
#endif
}
