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Code Issues 121 Wiki Activity

restore depth based world mouse position

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This commit is contained in:
milek7
2018-10-24 18:25:29 +02:00
parent 8abe898735
commit 56e9fa537b
8 changed files with 205 additions and 52 deletions
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40
gl/framebuffer.cpp
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@@ -55,26 +55,34 @@ void gl::framebuffer::clear(GLbitfield mask)
glClear(mask);
}
void gl::framebuffer::blit_to(framebuffer &other, int w, int h, GLbitfield mask, GLenum attachment)
void gl::framebuffer::blit_to(framebuffer *other, int w, int h, GLbitfield mask, GLenum attachment)
{
glBindFramebuffer(GL_READ_FRAMEBUFFER, *this);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, other);
int attachment_n = attachment - GL_COLOR_ATTACHMENT0;
GLenum outputs[8] = { GL_NONE };
outputs[attachment_n] = attachment;
glReadBuffer(attachment);
glDrawBuffers(attachment_n + 1, outputs);
glBlitFramebuffer(0, 0, w, h, 0, 0, w, h, mask, GL_NEAREST);
unbind();
blit(this, other, 0, 0, w, h, mask, attachment);
}
void gl::framebuffer::blit_from(framebuffer &other, int w, int h, GLbitfield mask, GLenum attachment)
void gl::framebuffer::blit_from(framebuffer *other, int w, int h, GLbitfield mask, GLenum attachment)
{
other.blit_to(*this, w, h, mask, attachment);
blit(other, this, 0, 0, w, h, mask, attachment);
}
void gl::framebuffer::blit(framebuffer *src, framebuffer *dst, int sx, int sy, int w, int h, GLbitfield mask, GLenum attachment)
{
glBindFramebuffer(GL_READ_FRAMEBUFFER, src ? *src : 0);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, dst ? *dst : 0);
if (mask & GL_COLOR_BUFFER_BIT)
{
int attachment_n = attachment - GL_COLOR_ATTACHMENT0;
GLenum outputs[8] = { GL_NONE };
outputs[attachment_n] = attachment;
glReadBuffer(attachment);
glDrawBuffers(attachment_n + 1, outputs);
}
glBlitFramebuffer(sx, sy, sx + w, sy + h, 0, 0, w, h, mask, GL_NEAREST);
unbind();
}
void gl::framebuffer::setup_drawing(int attachments)