public static void beginWater() {
useProgram(Shaders.ProgramWater);
glActiveTexture(GL_TEXTURE2);
glBindTexture(GL_TEXTURE_2D, mc.renderEngine.getTexture("/terrain_nh.png"));
glActiveTexture(GL_TEXTURE3);
glBindTexture(GL_TEXTURE_2D, mc.renderEngine.getTexture("/terrain_s.png"));
glActiveTexture(GL_TEXTURE0);
}
public static void beginTerrain() {
useProgram(Shaders.ProgramTerrain);
glActiveTexture(GL_TEXTURE2);
glBindTexture(GL_TEXTURE_2D, mc.renderEngine.getTexture("/terrain_nh.png"));
glActiveTexture(GL_TEXTURE3);
glBindTexture(GL_TEXTURE_2D, mc.renderEngine.getTexture("/terrain_s.png"));
glActiveTexture(GL_TEXTURE0);
FloatBuffer projection = BufferUtils.createFloatBuffer(16);
}
public static void endRender() {
if (isShadowPass) {
return;
}
glPushMatrix();
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(0.0f, 1.0f, 0.0f, 1.0f, 0.0f, 1.0f);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glDisable(GL_DEPTH_TEST);
glEnable(GL_TEXTURE_2D);
// composite
glDisable(GL_BLEND);
useProgram(ProgramComposite);
glDrawBuffers(dfbDrawBuffers);
glBindTexture(GL_TEXTURE_2D, dfbTextures.get(0));
glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_2D, dfbTextures.get(1));
glActiveTexture(GL_TEXTURE2);
glBindTexture(GL_TEXTURE_2D, dfbTextures.get(2));
glActiveTexture(GL_TEXTURE3);
glBindTexture(GL_TEXTURE_2D, dfbTextures.get(3));
if (colorAttachments >= 5) {
glActiveTexture(GL_TEXTURE4);
glBindTexture(GL_TEXTURE_2D, dfbTextures.get(4));
if (colorAttachments >= 6) {
glActiveTexture(GL_TEXTURE5);
glBindTexture(GL_TEXTURE_2D, dfbTextures.get(5));
if (colorAttachments >= 7) {
glActiveTexture(GL_TEXTURE6);
glBindTexture(GL_TEXTURE_2D, dfbTextures.get(6));
}
}
}
if (shadowPassInterval > 0) {
glActiveTexture(GL_TEXTURE7);
glBindTexture(GL_TEXTURE_2D, sfbDepthTexture);
}
glActiveTexture(GL_TEXTURE0);
glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
glBegin(GL_QUADS);
glTexCoord2f(0.0f, 0.0f);
glVertex3f(0.0f, 0.0f, 0.0f);
glTexCoord2f(1.0f, 0.0f);
glVertex3f(1.0f, 0.0f, 0.0f);
glTexCoord2f(1.0f, 1.0f);
glVertex3f(1.0f, 1.0f, 0.0f);
glTexCoord2f(0.0f, 1.0f);
glVertex3f(0.0f, 1.0f, 0.0f);
glEnd();
// final
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
useProgram(ProgramFinal);
glClearColor(clearColor[0], clearColor[1], clearColor[2], 1.0f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glBindTexture(GL_TEXTURE_2D, dfbTextures.get(0));
glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_2D, dfbTextures.get(1));
glActiveTexture(GL_TEXTURE2);
glBindTexture(GL_TEXTURE_2D, dfbTextures.get(2));
glActiveTexture(GL_TEXTURE3);
glBindTexture(GL_TEXTURE_2D, dfbTextures.get(3));
if (colorAttachments >= 5) {
glActiveTexture(GL_TEXTURE4);
glBindTexture(GL_TEXTURE_2D, dfbTextures.get(4));
if (colorAttachments >= 6) {
glActiveTexture(GL_TEXTURE5);
glBindTexture(GL_TEXTURE_2D, dfbTextures.get(5));
if (colorAttachments >= 7) {
glActiveTexture(GL_TEXTURE6);
glBindTexture(GL_TEXTURE_2D, dfbTextures.get(6));
}
}
}
if (shadowPassInterval > 0) {
glActiveTexture(GL_TEXTURE7);
glBindTexture(GL_TEXTURE_2D, sfbDepthTexture);
}
glActiveTexture(GL_TEXTURE0);
glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
glBegin(GL_QUADS);
glTexCoord2f(0.0f, 0.0f);
glVertex3f(0.0f, 0.0f, 0.0f);
glTexCoord2f(1.0f, 0.0f);
glVertex3f(1.0f, 0.0f, 0.0f);
glTexCoord2f(1.0f, 1.0f);
glVertex3f(1.0f, 1.0f, 0.0f);
glTexCoord2f(0.0f, 1.0f);
glVertex3f(0.0f, 1.0f, 0.0f);
glEnd();
glEnable(GL_BLEND);
glPopMatrix();
useProgram(ProgramNone);
}