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glgsg: Save a buffer bind call by changing order of blitting MS FBOs

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rdb 2022-10-25 16:51:53 +02:00
parent 9768cbb6c2
commit 4bdac5afac
1 changed files with 18 additions and 25 deletions
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43
panda/src/glstuff/glGraphicsBuffer_src.cxx
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@ -2005,27 +2005,7 @@ resolve_multisamples() {
}
}
#ifndef OPENGLES
if (_have_any_color) {
glDrawBuffer(GL_COLOR_ATTACHMENT0_EXT);
glReadBuffer(GL_COLOR_ATTACHMENT0_EXT);
} else {
glDrawBuffer(GL_NONE);
glReadBuffer(GL_NONE);
}
#endif
if (do_depth_blit) {
glgsg->_glBlitFramebuffer(0, 0, _rb_size_x, _rb_size_y, 0, 0, _rb_size_x, _rb_size_y,
GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT,
GL_NEAREST);
}
else if (_have_any_color) {
glgsg->_glBlitFramebuffer(0, 0, _rb_size_x, _rb_size_y, 0, 0, _rb_size_x, _rb_size_y,
GL_COLOR_BUFFER_BIT,
GL_NEAREST);
}
// Now handle the other color buffers.
// First handle the auxiliary buffers.
#ifndef OPENGLES
int next = GL_COLOR_ATTACHMENT1_EXT;
if (_fb_properties.is_stereo()) {
@ -2057,11 +2037,9 @@ resolve_multisamples() {
next += 1;
}
#endif
report_my_gl_errors();
// Bind the regular FBO as read buffer for the sake of copy_to_textures.
glgsg->_glBindFramebuffer(GL_READ_FRAMEBUFFER_EXT, fbo);
// Now blit the normal color target, plus any depth/stencil.
// We do this last because we want to leave attachment 0 bound at the end.
#ifndef OPENGLES
if (_have_any_color) {
glDrawBuffer(GL_COLOR_ATTACHMENT0_EXT);
@ -2071,5 +2049,20 @@ resolve_multisamples() {
glReadBuffer(GL_NONE);
}
#endif
if (do_depth_blit) {
glgsg->_glBlitFramebuffer(0, 0, _rb_size_x, _rb_size_y, 0, 0, _rb_size_x, _rb_size_y,
GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT,
GL_NEAREST);
}
else if (_have_any_color) {
glgsg->_glBlitFramebuffer(0, 0, _rb_size_x, _rb_size_y, 0, 0, _rb_size_x, _rb_size_y,
GL_COLOR_BUFFER_BIT,
GL_NEAREST);
}
// Bind the regular FBO as read buffer for the sake of copy_to_textures.
glgsg->_glBindFramebuffer(GL_READ_FRAMEBUFFER_EXT, fbo);
report_my_gl_errors();
}