void RenderPipe_depth_opengl::render( GLuint target )
{
glDepthMask(GL_FALSE);
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, target);
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glLoadIdentity();
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity();
glUseProgram(m_pipeProgramID);
GLuint reg = glGetUniformLocation(m_pipeProgramID, "u_image");
glUniform1i(reg, 0);
reg = glGetUniformLocation(m_pipeProgramID, "u_blurredImage");
glUniform1i(reg, 1);
reg = glGetUniformLocation(m_pipeProgramID, "u_zBuffer");
glUniform1i(reg, 2);
CMatrix inverProjMat = GetProjectionMatrix();
inverProjMat.Invert();
m_zInv = inverProjMat.GetColumn(3); // only need to calculate z value, so only 4th column is needed.
m_depthOfField = GetDepthOfFieldFactors();
reg = glGetUniformLocation(m_pipeProgramID, "u_depthOfField");
if (reg >= 0)
glUniform4fv(reg, 1, (float *)&m_depthOfField);
if (reg >= 0)
reg = glGetUniformLocation(m_pipeProgramID, "u_zInv");
glUniform4fv(reg, 1, (float *)&m_zInv);
glActiveTexture(GL_TEXTURE0_ARB);
glEnable(GL_TEXTURE_2D);
glActiveTexture(GL_TEXTURE0_ARB);
glBindTexture(GL_TEXTURE_2D, m_image);
glActiveTexture(GL_TEXTURE1_ARB);
glBindTexture(GL_TEXTURE_2D, m_blurredImage);
glActiveTexture(GL_TEXTURE2_ARB);
glBindTexture(GL_TEXTURE_2D, m_depthTexture);
glActiveTexture(GL_TEXTURE0_ARB);
renderScreenQuad();
glMatrixMode(GL_PROJECTION);
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
glPopMatrix();
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
glDepthMask(GL_TRUE);
}
/* Invert the given matrix using the above inversion routine. */
CMatrix Invert(const CMatrix& matM) {
CMatrix InvertMe = matM;
if(InvertMe.Invert() == false)
InvertMe.LoadIdentityMatrix();
return InvertMe;
}
void CGraphic::Draw3DPlane(ITexture* pTexture, CVector3f *vec3d, DWORD Color, ERenderStyle RS, CVector2f *tex_uv)
{
if ( pTexture )
{
VerColorTex vs[4] =
{
VerColorTex( vec3d[0].x, vec3d[0].y, vec3d[0].z, Color, tex_uv[0].x, tex_uv[0].y),
VerColorTex( vec3d[1].x, vec3d[1].y, vec3d[1].z, Color, tex_uv[1].x, tex_uv[1].y),
VerColorTex( vec3d[2].x, vec3d[2].y, vec3d[2].z, Color, tex_uv[2].x, tex_uv[2].y),
VerColorTex( vec3d[3].x, vec3d[3].y, vec3d[3].z, Color, tex_uv[3].x, tex_uv[3].y),
};
VerColorTex* pVB;
RenderState * pRS;
CMatrix view;
CCamera *pCamera = m_pActiveTarget->GetCamera();
CMatrix matBillboard;
view = pCamera->getViewMatrix();
matBillboard.Identity();
matBillboard._11 = view._11;
matBillboard._12 = view._12;
matBillboard._13 = view._13;
matBillboard._21 = view._21;
matBillboard._22 = view._22;
matBillboard._23 = view._23;
matBillboard._31 = view._31;
matBillboard._32 = view._32;
matBillboard._33 = view._33;
matBillboard.Invert();
CMatrix *m_Mat = GetRenderStack( RS, pTexture, NULL, PT_TRIANGLESTRIP, 4, 2,
VerColorTex::Format , sizeof(VerColorTex), (void**)&pVB, NULL, (void**)&pRS );
m_Mat->Identity();
m_Mat->_11 = matBillboard._11;
m_Mat->_12 = matBillboard._12;
m_Mat->_13 = matBillboard._13;
m_Mat->_21 = matBillboard._21;
m_Mat->_22 = matBillboard._22;
m_Mat->_23 = matBillboard._23;
m_Mat->_31 = matBillboard._31;
m_Mat->_32 = matBillboard._32;
m_Mat->_33 = matBillboard._33;
m_Mat->_41 = vec3d[4].x;
m_Mat->_42 = vec3d[4].y;
m_Mat->_43 = vec3d[4].z;
pRS->m_TexOP_S0 = TOP_SELECTARG1;
pRS->m_TexArg1_S0 = TA_TEXTURE;
memcpy(pVB,vs,sizeof(vs));
}
}
