mirror of
https://github.com/love2d/love.git
synced 2026-08-16 00:02:12 +02:00
vrld
126 lines
3.1 KiB
C++
126 lines
3.1 KiB
C++
#include "wrap_Framebuffer.h"
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namespace love
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{
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namespace graphics
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{
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namespace opengl
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{
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Framebuffer * luax_checkfbo(lua_State * L, int idx)
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{
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return luax_checktype<Framebuffer>(L, idx, "Framebuffer", GRAPHICS_FRAMEBUFFER_T);
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}
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int w_Framebuffer_renderTo(lua_State * L)
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{
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// As startGrab() clears the framebuffer, better not allow
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// grabbing inside another grabbing
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if (Framebuffer::current != NULL) {
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Framebuffer::bindDefaultBuffer();
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return luaL_error(L, "Current render target not the default framebuffer!");
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}
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Framebuffer * fbo = luax_checkfbo(L, 1);
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if (!lua_isfunction(L, 2))
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return luaL_error(L, "Need a function to render to fbo");
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fbo->startGrab();
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lua_settop(L, 2); // make sure the function is on top of the stack
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lua_call(L, 0, 0);
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fbo->stopGrab();
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return 0;
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}
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int w_Framebuffer_getImageData(lua_State * L)
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{
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Framebuffer * fbo = luax_checkfbo(L, 1);
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love::image::Image * image = luax_getmodule<love::image::Image>(L, "image", MODULE_IMAGE_T);
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love::image::ImageData * img = fbo->getImageData( image );
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luax_newtype(L, "ImageData", IMAGE_IMAGE_DATA_T, (void *)img);
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return 1;
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}
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int w_Framebuffer_setFilter(lua_State * L)
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{
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Framebuffer * fbo = luax_checkfbo(L, 1);
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const char * minstr = luaL_checkstring(L, 2);
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const char * magstr = luaL_checkstring(L, 3);
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Image::Filter f;
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if (!Image::getConstant(minstr, f.min))
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return luaL_error(L, "Invalid min filter mode: %s", minstr);
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if (!Image::getConstant(magstr, f.mag))
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return luaL_error(L, "Invalid max filter mode: %s", magstr);
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fbo->setFilter(f);
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return 0;
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}
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int w_Framebuffer_getFilter(lua_State * L)
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{
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Framebuffer * fbo = luax_checkfbo(L, 1);
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Image::Filter f = fbo->getFilter();
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const char * minstr;
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const char * magstr;
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Image::getConstant(f.min, minstr);
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Image::getConstant(f.mag, magstr);
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lua_pushstring(L, minstr);
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lua_pushstring(L, magstr);
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return 2;
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}
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int w_Framebuffer_setWrap(lua_State * L)
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{
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Framebuffer * fbo = luax_checkfbo(L, 1);
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const char * wrap_s = luaL_checkstring(L, 2);
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const char * wrap_t = luaL_checkstring(L, 3);
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Image::Wrap w;
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if (!Image::getConstant(wrap_s, w.s))
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return luaL_error(L, "Invalid wrap mode: %s", wrap_s);
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if (!Image::getConstant(wrap_t, w.t))
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return luaL_error(L, "Invalid wrap mode: %s", wrap_t);
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fbo->setWrap(w);
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return 0;
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}
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int w_Framebuffer_getWrap(lua_State * L)
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{
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Framebuffer * fbo = luax_checkfbo(L, 1);
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Image::Wrap w = fbo->getWrap();
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const char * wrap_s;
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const char * wrap_t;
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Image::getConstant(w.s, wrap_s);
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Image::getConstant(w.t, wrap_t);
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lua_pushstring(L, wrap_s);
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lua_pushstring(L, wrap_t);
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return 2;
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}
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static const luaL_Reg functions[] = {
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{ "renderTo", w_Framebuffer_renderTo },
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{ "getImageData", w_Framebuffer_getImageData },
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{ "setFilter", w_Framebuffer_setFilter },
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{ "getFilter", w_Framebuffer_getFilter },
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{ "setWrap", w_Framebuffer_setWrap },
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{ "getWrap", w_Framebuffer_getWrap },
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{ 0, 0 }
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};
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int luaopen_framebuffer(lua_State * L)
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{
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return luax_register_type(L, "Framebuffer", functions);
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}
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} // opengl
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} // graphics
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} // love
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