void OpenGLShaderQuad::Render(double t, IPluginObjectInstance *pInstance) {
IContext *pContext = dynamic_cast<IBaseInstance *>(pInstance)->GetContext();
IRenderContextParams *contextParams = (IRenderContextParams *)pContext->TopContextParamObject();
width = contextParams->GetFrameBufferWidth();
height = contextParams->GetFrameBufferHeight();
BeginOrtho();
OpenGLShaderBase::ReloadIfNeeded();
texture_count = 0;
glGetError();
program->Attach();
unsigned int idResolution = program->GetUniform("iResolution");
unsigned int idGlobalTime = program->GetUniform("iGlobalTime");
// set user parameters
SetParametersFromList(pInstance);
if (idResolution != -1) {
glUniform2f(idResolution, (float)width, (float)height);
}
if (idGlobalTime != -1) {
glUniform1f(idGlobalTime, (float)t);
}
if (useblend->v->boolean) {
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
// glColor4f(1,1,1, alpha->v->float_val);
// glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
//glBlendFunc(GL_ONE, GL_ONE);
//printf("%f:%f\n",t,alpha->v->float_val);
}
if (depthwrite->v->boolean) {
glDepthMask(GL_TRUE);
} else {
glDepthMask(GL_FALSE);
}
if (texture->v->int_val != 0) {
glActiveTexture(GL_TEXTURE0+texture_count);
glBindTexture(GL_TEXTURE_2D,texture->v->int_val);
texture_count++;
}
glBegin(GL_QUADS);
/*
glTexCoord2f(0.0f,0.0f);
glVertex2f(-1.0f, -1.0f);
glTexCoord2f(1.0f,0.0f);
glVertex2f(1, -1.0f);
glTexCoord2f(1.0f,1.0f);
glVertex2f(1.0f, 1.0f);
glTexCoord2f(0.0f,1.0f);
glVertex2f(-1.0f, 1.0f);
*/
for(int i=0;i<texture_count;i++) glMultiTexCoord2f(GL_TEXTURE0+i,0.0f,0.0f);
glVertex2f(-1.0f, -1.0f);
for(int i=0;i<texture_count;i++) glMultiTexCoord2f(GL_TEXTURE0+i,1.0f,0.0f);
glVertex2f(1, -1.0f);
for(int i=0;i<texture_count;i++) glMultiTexCoord2f(GL_TEXTURE0+i,1.0f,1.0f);
glVertex2f(1.0f, 1.0f);
for(int i=0;i<texture_count;i++) glMultiTexCoord2f(GL_TEXTURE0+i,0.0f,1.0f);
glVertex2f(-1.0f, 1.0f);
glEnd(); //glBegin(GL_QUADS);
if (texture_count > 0) {
for(int i=0;i<texture_count;i++) {
glActiveTexture(GL_TEXTURE0+i);
glBindTexture(GL_TEXTURE_2D, 0);
}
glActiveTexture(GL_TEXTURE0); // set this back to 0 other wise the active texture is still valid
glDisable(GL_TEXTURE_2D);
}
if (useblend->v->boolean) {
glDisable(GL_BLEND);
}
program->Detach();
EndOrtho();
//glDisable(GL_TEXTURE_2D);
glDepthMask(GL_TRUE);
}
void OpenGLDrawText::Render(double t, IPluginObjectInstance *pInstance) {
// Render bitmaps
IContext *pContext = dynamic_cast<IBaseInstance *>(pInstance)->GetContext();
IRenderContextParams *contextParams = (IRenderContextParams *)pContext->TopContextParamObject();
float width = contextParams->GetWindowWidth();
float height = contextParams->GetWindowHeight();
float px_width = contextParams->GetFrameBufferWidth();
float px_height = contextParams->GetFrameBufferHeight();
//printf("win (%d,%d), fb (%d:%d)\n",(int)width,(int)height,(int)px_width,(int)px_height);
float xfac = px_width/width;
float yfac = px_height/height;
unsigned int uniform_tex = 0;
unsigned int uniform_color = 0;
if (rendered) return;
rendered = false;
if (useShaders) {
OpenGLShaderBase::ReloadIfNeeded();
OpenGLShaderBase::Attach();
}
//Window mode:
// win (640,360), fb (1280:720)
// xfac/yfac 2.000000:2.000000
// sx/sy 0.003125:0.005556
//Full screen:
// win (1280,720), fb (2560:1600)
// xfac/yfac 2.000000:2.222222
// sx/sy 0.001563:0.003086
float sx = 2.0 / width;
float sy = 2.0 / height;
//float sx = xfac / width;
//float sy = yfac / height;
// printf("xfac/yfac %f:%f\n",xfac,yfac);
// printf("sx/sy %f:%f\n",sx,sy);
sx *= width/height;
//sy *= width/height;
// ok for retina full screen -> but NOT in windowed mode
// sx *= xfac;
// sy *= yfac;
// glActiveTexture(GL_TEXTURE0);
glPushMatrix();
glScalef(-1,1,1);
textureFont->SetRenderScaling(sx,sy);
float xp,yp;
float str_width, str_height;
float linepos = 0;
std::string strBase = std::string(text->v->string);
Tokenizer tok(strBase, "\\");
while (true) {
std::string str = tok.NextIncludeSpace();
if (str.empty()) break;
textureFont->Estimate(str, &str_width, &str_height);
xp = yp = 0;
xp = position->v->vector[0];
yp = position->v->vector[1] + linepos;
switch(alignment->v->int_val) {
case 0 : // none, use position
break;
case 1 :
xp = 0;
break;
case 2 : // right
xp = 1 - str_width;
break;
case 3 : // center
xp = 0 - str_width/2.0f;
break;
}
// printf("alignment: %d\n",alignment->v->int_val);
if (useblend->v->boolean == true) {
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glColor4f(color->v->rgba[0], color->v->rgba[1], color->v->rgba[2], alpha->v->float_val);
// glColor4f(1,1,1, alpha->v->float_val);
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
} else {
glColor4f(color->v->rgba[0], color->v->rgba[1], color->v->rgba[2], alpha->v->float_val);
}
textureFont->Draw(str,xp,yp);
linepos -= sy * 0.5 * (float)fontSize->v->int_val;
}
glPopMatrix();
if (useShaders) {
OpenGLShaderBase::Detach();
}
if (useblend->v->boolean) {
glDisable(GL_BLEND);
}
}
void OpenGLShaderQuad::Render(double t, IPluginObjectInstance *pInstance) {
IContext *pContext = dynamic_cast<IBaseInstance *>(pInstance)->GetContext();
IRenderContextParams *contextParams = (IRenderContextParams *)pContext->TopContextParamObject();
width = contextParams->GetFrameBufferWidth();
height = contextParams->GetFrameBufferHeight();
BeginOrtho();
OpenGLShaderBase::ReloadIfNeeded();
program->Attach();
unsigned int idResolution = program->GetUniform("iResolution");
unsigned int idGlobalTime = program->GetUniform("iGlobalTime");
if (idResolution != -1) {
glUniform2f(idResolution, (float)width, (float)height);
}
if (idGlobalTime != -1) {
glUniform1f(idGlobalTime, (float)t);
}
// set user parameters
SetParametersFromList(pInstance);
if (depthwrite->v->boolean) {
glDepthMask(GL_TRUE);
} else {
glDepthMask(GL_FALSE);
}
bool bUseTexture = false;
if (texture->v->int_val != 0) {
glBindTexture(GL_TEXTURE_2D,texture->v->int_val);
glEnable(GL_TEXTURE_2D);
bUseTexture = true;
}
glBegin(GL_QUADS);
glTexCoord2f(0.0f,0.0f);
glVertex2f(-1.0f, -1.0f);
glTexCoord2f(1.0f,0.0f);
glVertex2f(1, -1.0f);
glTexCoord2f(1.0f,1.0f);
glVertex2f(1.0f, 1.0f);
glTexCoord2f(0.0f,1.0f);
glVertex2f(-1.0f, 1.0f);
glEnd(); //glBegin(GL_QUADS);
if (bUseTexture) {
glDisable(GL_TEXTURE_2D);
}
EndOrtho();
program->Detach();
//glDisable(GL_TEXTURE_2D);
glDepthMask(GL_TRUE);
}
