Matrix4 Matrix4::Inversed() const {
Matrix4 mm = *this;
inverseMatrix4(mm.m);
return mm;
}
void Blur_apply(){
if(multiSamples!=1 && blur==Blur_glsl_depth){
consoleLog("Blur_apply: Blur_glsl_depth can't be used with multisample, disabling\n");
blur=Blur_glsl_simple;
}
if(blur==Blur_none)
return;
float lastMatrix[16];
glGetFloatv(GL_MODELVIEW_MATRIX, lastMatrix);
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity();
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glLoadIdentity();
glScalef(2.f/screen->w, -2.f/screen->h, 1.f);
glTranslatef(-screen->w*.5f, -screen->h*.5f, 0.f);
glDisable(GL_DEPTH_TEST);
glDisable(GL_FOG);
glDisable(GL_LIGHTING);
glDepthMask(GL_FALSE);
if(blur==Blur_basic){
glColor4f(1.f, 1.f, 1.f, powf(.3f, blurdt*60.f));
glBindTexture(GL_TEXTURE_2D, tex_screen);
glBegin(GL_QUADS);
glTexCoord2f(0.f, (float)screen->h/sh);
glVertex2i(0, 0);
glTexCoord2f(0.f, 0.f);
glVertex2i(0, screen->h);
glTexCoord2f((float)screen->w/sw, 0.f);
glVertex2i(screen->w, screen->h);
glTexCoord2f((float)screen->w/sw, (float)screen->h/sh);
glVertex2i(screen->w, 0);
glEnd();
totalPolys+=2;
glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, screen->w, screen->h);
}
#if GL_ARB_shader_objects
else if(blur==Blur_glsl_simple){
glUseProgramObjectARB(prg_blurSimple);
glUniform1iARB(glGetUniformLocationARB(prg_blurSimple, "screen"),
0);
glUniform2fARB(glGetUniformLocationARB(prg_blurSimple, "texSize"),
(float)screen->w/sw, (float)screen->h/sh);
float imat[16];
float mat2[16];
memcpy(imat, mx_old, sizeof(imat));
inverseMatrix4(imat);
glUniformMatrix4fvARB(glGetUniformLocationARB(prg_blurSimple, "curMatrix"),
1, GL_FALSE, lastMatrix);
glUniformMatrix4fvARB(glGetUniformLocationARB(prg_blurSimple, "oldMatrix"),
1, GL_FALSE, mx_old);
inverseMatrix4(lastMatrix);
glUniformMatrix4fvARB(glGetUniformLocationARB(prg_blurSimple, "oldMatrixInverse"),
1, GL_FALSE, imat);
glUniformMatrix4fvARB(glGetUniformLocationARB(prg_blurSimple, "curMatrixInverse"),
1, GL_FALSE, lastMatrix);
glColor4f(1,1,1,1);
glBindTexture(GL_TEXTURE_2D, tex_screen);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, screen->w, screen->h);
glBegin(GL_QUADS);
glTexCoord2f(-1.f, 1.f);
glVertex2i(0, 0);
glTexCoord2f(-1.f, -1.f);
glVertex2i(0, screen->h);
glTexCoord2f(1.f, -1.f);
glVertex2i(screen->w, screen->h);
glTexCoord2f(1.f, 1.f);
glVertex2i(screen->w, 0);
glEnd();
totalPolys+=2;
glUseProgramObjectARB(0);
}
#if GL_ARB_depth_texture
else if(blur==Blur_glsl_depth){
glActiveTexture(GL_TEXTURE1_ARB);
glBindTexture(GL_TEXTURE_2D, tex_depth);
glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, screen->w, screen->h);
glActiveTexture(GL_TEXTURE0_ARB);
glUseProgramObjectARB(prg_blurDepth);
glUniform1iARB(glGetUniformLocationARB(prg_blurDepth, "screen"),
0);
glUniform1iARB(glGetUniformLocationARB(prg_blurDepth, "depthTex"),
1);
glUniform2fARB(glGetUniformLocationARB(prg_blurDepth, "texSize"),
(float)screen->w/sw, (float)screen->h/sh);
float imat[16];
float mat2[16];
memcpy(imat, mx_old, sizeof(imat));
inverseMatrix4(imat);
glUniformMatrix4fvARB(glGetUniformLocationARB(prg_blurDepth, "curMatrix"),
1, GL_FALSE, lastMatrix);
glUniformMatrix4fvARB(glGetUniformLocationARB(prg_blurDepth, "oldMatrix"),
1, GL_FALSE, mx_old);
inverseMatrix4(lastMatrix);
glUniformMatrix4fvARB(glGetUniformLocationARB(prg_blurDepth, "oldMatrixInverse"),
1, GL_FALSE, imat);
glUniformMatrix4fvARB(glGetUniformLocationARB(prg_blurDepth, "curMatrixInverse"),
1, GL_FALSE, lastMatrix);
glColor4f(1,1,1,1);
glBindTexture(GL_TEXTURE_2D, tex_screen);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, screen->w, screen->h);
glBegin(GL_QUADS);
glTexCoord2f(-1.f, 1.f);
glVertex2i(0, 0);
glTexCoord2f(-1.f, -1.f);
glVertex2i(0, screen->h);
glTexCoord2f(1.f, -1.f);
glVertex2i(screen->w, screen->h);
glTexCoord2f(1.f, 1.f);
glVertex2i(screen->w, 0);
glEnd();
totalPolys+=2;
glUseProgramObjectARB(0);
}
#endif
#endif
glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_LIGHTING);
glMatrixMode(GL_PROJECTION);
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
glPopMatrix();
glEnable(GL_DEPTH_TEST);
glEnable(GL_FOG);
glDepthMask(GL_TRUE);
}
