mirror of https://github.com/bjornbytes/lovr.git
140 lines
4.6 KiB
C
140 lines
4.6 KiB
C
#include "api.h"
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#include "graphics/texture.h"
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#include <lua.h>
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#include <lauxlib.h>
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int luax_optmipmap(lua_State* L, int index, Texture* texture) {
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uint32_t mipmap = luaL_optinteger(L, index, 1);
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lovrAssert(mipmap <= lovrTextureGetMipmapCount(texture), "Invalid mipmap %d", mipmap);
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return mipmap - 1;
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}
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static int l_lovrTextureGetCompareMode(lua_State* L) {
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Texture* texture = luax_checktype(L, 1, Texture);
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luax_pushenum(L, CompareMode, lovrTextureGetCompareMode(texture));
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return 1;
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}
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static int l_lovrTextureGetDepth(lua_State* L) {
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Texture* texture = luax_checktype(L, 1, Texture);
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lua_pushnumber(L, lovrTextureGetDepth(texture, luax_optmipmap(L, 2, texture)));
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return 1;
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}
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static int l_lovrTextureGetDimensions(lua_State* L) {
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Texture* texture = luax_checktype(L, 1, Texture);
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int mipmap = luax_optmipmap(L, 2, texture);
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lua_pushinteger(L, lovrTextureGetWidth(texture, mipmap));
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lua_pushinteger(L, lovrTextureGetHeight(texture, mipmap));
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if (lovrTextureGetType(texture) != TEXTURE_2D) {
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lua_pushinteger(L, lovrTextureGetDepth(texture, mipmap));
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return 3;
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}
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return 2;
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}
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static int l_lovrTextureGetFilter(lua_State* L) {
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Texture* texture = luax_checktype(L, 1, Texture);
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TextureFilter filter = lovrTextureGetFilter(texture);
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luax_pushenum(L, FilterMode, filter.mode);
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lua_pushnumber(L, filter.anisotropy);
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return 2;
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}
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static int l_lovrTextureGetFormat(lua_State* L) {
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Texture* texture = luax_checktype(L, 1, Texture);
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luax_pushenum(L, TextureFormat, lovrTextureGetFormat(texture));
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return 1;
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}
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static int l_lovrTextureGetHeight(lua_State* L) {
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Texture* texture = luax_checktype(L, 1, Texture);
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lua_pushnumber(L, lovrTextureGetHeight(texture, luax_optmipmap(L, 2, texture)));
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return 1;
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}
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static int l_lovrTextureGetMipmapCount(lua_State* L) {
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Texture* texture = luax_checktype(L, 1, Texture);
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lua_pushinteger(L, lovrTextureGetMipmapCount(texture));
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return 1;
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}
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static int l_lovrTextureGetType(lua_State* L) {
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Texture* texture = luax_checktype(L, 1, Texture);
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luax_pushenum(L, TextureType, lovrTextureGetType(texture));
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return 1;
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}
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static int l_lovrTextureGetWidth(lua_State* L) {
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Texture* texture = luax_checktype(L, 1, Texture);
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lua_pushnumber(L, lovrTextureGetWidth(texture, luax_optmipmap(L, 2, texture)));
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return 1;
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}
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static int l_lovrTextureGetWrap(lua_State* L) {
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Texture* texture = luax_checktype(L, 1, Texture);
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TextureWrap wrap = lovrTextureGetWrap(texture);
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luax_pushenum(L, WrapMode, wrap.s);
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luax_pushenum(L, WrapMode, wrap.t);
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if (lovrTextureGetType(texture) == TEXTURE_CUBE) {
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luax_pushenum(L, WrapMode, wrap.r);
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return 3;
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}
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return 2;
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}
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static int l_lovrTextureReplacePixels(lua_State* L) {
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Texture* texture = luax_checktype(L, 1, Texture);
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Image* image = luax_checktype(L, 2, Image);
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int x = luaL_optinteger(L, 3, 0);
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int y = luaL_optinteger(L, 4, 0);
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int slice = luaL_optinteger(L, 5, 1) - 1;
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int mipmap = luaL_optinteger(L, 6, 1) - 1;
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lovrTextureReplacePixels(texture, image, x, y, slice, mipmap);
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return 0;
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}
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static int l_lovrTextureSetCompareMode(lua_State* L) {
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Texture* texture = luax_checktype(L, 1, Texture);
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CompareMode mode = lua_isnoneornil(L, 2) ? COMPARE_NONE : luax_checkenum(L, 2, CompareMode, NULL);
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lovrTextureSetCompareMode(texture, mode);
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return 0;
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}
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static int l_lovrTextureSetFilter(lua_State* L) {
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Texture* texture = luax_checktype(L, 1, Texture);
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FilterMode mode = luax_checkenum(L, 2, FilterMode, NULL);
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float anisotropy = luax_optfloat(L, 3, 1.f);
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TextureFilter filter = { .mode = mode, .anisotropy = anisotropy };
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lovrTextureSetFilter(texture, filter);
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return 0;
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}
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static int l_lovrTextureSetWrap(lua_State* L) {
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Texture* texture = luax_checktype(L, 1, Texture);
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TextureWrap wrap;
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wrap.s = luax_checkenum(L, 2, WrapMode, NULL);
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wrap.t = luax_checkenum(L, 3, WrapMode, lua_tostring(L, 2));
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wrap.r = luax_checkenum(L, 4, WrapMode, lua_tostring(L, 2));
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lovrTextureSetWrap(texture, wrap);
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return 0;
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}
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const luaL_Reg lovrTexture[] = {
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{ "getCompareMode", l_lovrTextureGetCompareMode },
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{ "getDepth", l_lovrTextureGetDepth },
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{ "getDimensions", l_lovrTextureGetDimensions },
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{ "getFilter", l_lovrTextureGetFilter },
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{ "getFormat", l_lovrTextureGetFormat },
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{ "getHeight", l_lovrTextureGetHeight },
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{ "getMipmapCount", l_lovrTextureGetMipmapCount },
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{ "getType", l_lovrTextureGetType },
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{ "getWidth", l_lovrTextureGetWidth },
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{ "getWrap", l_lovrTextureGetWrap },
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{ "replacePixels", l_lovrTextureReplacePixels },
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{ "setCompareMode", l_lovrTextureSetCompareMode },
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{ "setFilter", l_lovrTextureSetFilter },
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{ "setWrap", l_lovrTextureSetWrap },
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{ NULL, NULL }
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};
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