void
sge::opengl::texture::funcs::get_image(
sge::opengl::texture::binding const &,
sge::opengl::texture::buffer_type const _buffer_type,
sge::opengl::color_order const _format,
sge::opengl::color_base_type const _format_type,
sge::renderer::raw_pointer const _dest,
sge::renderer::texture::mipmap::level const _level
)
{
sge::opengl::call(
::glGetTexImage,
_buffer_type.get(),
fcppt::cast::to_signed(
_level.get()
),
_format.get(),
_format_type.get(),
fcppt::cast::to_void_ptr(
_dest
)
);
SGE_OPENGL_CHECK_STATE(
FCPPT_TEXT("glGetTexImage failed"),
sge::renderer::exception
)
}
void
sge::opengl::target::read_pixels(
sge::renderer::pixel_pos const _pos,
sge::renderer::screen_size const _size,
sge::opengl::color_order const _format,
sge::opengl::color_base_type const _format_type,
sge::renderer::raw_pointer const _dest
)
{
sge::opengl::call(
::glReadPixels,
fcppt::cast::size<
GLint
>(
_pos.x()
),
fcppt::cast::size<
GLint
>(
_pos.y()
),
fcppt::cast::size<
GLsizei
>(
fcppt::cast::to_signed(
_size.w()
)
),
fcppt::cast::size<
GLsizei
>(
fcppt::cast::to_signed(
_size.h()
)
),
_format.get(),
_format_type.get(),
fcppt::cast::to_void_ptr(
_dest
)
);
SGE_OPENGL_CHECK_STATE(
FCPPT_TEXT("glReadPixels failed"),
sge::renderer::exception
)
}
void
sge::opengl::texture::funcs::set_rect(
sge::opengl::texture::binding const &,
sge::opengl::context::object &_context,
sge::opengl::texture::surface_config const &,
sge::opengl::texture::buffer_type const _buffer_type,
sge::opengl::color_order const _format,
sge::opengl::color_base_type const _format_type,
sge::renderer::texture::mipmap::level const _level,
sge::renderer::dim2 const &_dim,
sge::renderer::lock_rect const &_lock_rect,
sge::renderer::const_raw_pointer const _src
)
{
if(
_src
==
nullptr
&&
!sge::opengl::context::use<
sge::opengl::buffer::pbo_context
>(
_context,
_context
)
.unpack_buffer()
.native()
)
throw
sge::renderer::exception{
FCPPT_TEXT("OpenGL: Texture source is 0 although no PBO is bound!")
};
if(
!sge::opengl::range_check(
_dim,
_lock_rect
)
)
throw
sge::renderer::exception{
(
fcppt::format(
FCPPT_TEXT("rect for setting a texture is out of range (rect=%1%, dim=%2%)!")
)
% _lock_rect
% _dim
)
.str()
};
sge::renderer::lock_rect::dim const lock_size(
_lock_rect.size()
);
::glTexSubImage2D(
_buffer_type.get(),
fcppt::cast::to_signed(
_level.get()
),
fcppt::cast::size<
GLint
>(
fcppt::cast::to_signed(
_lock_rect.left()
)
),
fcppt::cast::size<
GLint
>(
fcppt::cast::to_signed(
_lock_rect.top()
)
),
fcppt::cast::size<
GLsizei
>(
fcppt::cast::to_signed(
lock_size.w()
)
),
fcppt::cast::size<
GLsizei
>(
fcppt::cast::to_signed(
lock_size.h()
)
),
_format.get(),
_format_type.get(),
_src
);
SGE_OPENGL_CHECK_STATE(
(
fcppt::format(
FCPPT_TEXT("glTexSubImage2D with rect (rect=%1%, dim=%2%) failed")
)
% _lock_rect
% _dim
).str(),
sge::renderer::exception
)
}
