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Add the ability to set Texture LOD bias;

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bjorn 2018-07-22 19:46:45 -07:00
parent 66ca77abd1
commit eb45b6f04f
3 changed files with 9 additions and 4 deletions
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11
src/api/types/texture.c
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@ -28,11 +28,12 @@ int l_lovrTextureGetFilter(lua_State* L) {
Texture* texture = luax_checktypeof(L, 1, Texture);
TextureFilter filter = lovrTextureGetFilter(texture);
lua_pushstring(L, FilterModes[filter.mode]);
lua_pushnumber(L, filter.sharpness);
if (filter.mode == FILTER_ANISOTROPIC) {
lua_pushnumber(L, filter.anisotropy);
return 2;
return 3;
}
return 1;
return 2;
}
int l_lovrTextureGetHeight(lua_State* L) {
@ -85,8 +86,10 @@ int l_lovrTextureReplacePixels(lua_State* L) {
int l_lovrTextureSetFilter(lua_State* L) {
Texture* texture = luax_checktypeof(L, 1, Texture);
FilterMode mode = luaL_checkoption(L, 2, NULL, FilterModes);
float anisotropy = luaL_optnumber(L, 3, 1.);
lovrTextureSetFilter(texture, (TextureFilter) { .mode = mode, .anisotropy = anisotropy });
float sharpness = luaL_optnumber(L, 3, 0.);
float anisotropy = luaL_optnumber(L, 4, 1.);
TextureFilter filter = { .mode = mode, .sharpness = sharpness, .anisotropy = anisotropy };
lovrTextureSetFilter(texture, filter);
return 0;
}

1
src/graphics/opengl.c
View file

@ -1025,6 +1025,7 @@ void lovrTextureSetFilter(Texture* texture, TextureFilter filter) {
break;
}
glTexParameteri(texture->glType, GL_TEXTURE_LOD_BIAS, -filter.sharpness);
glTexParameteri(texture->glType, GL_TEXTURE_MAX_ANISOTROPY_EXT, anisotropy);
}

1
src/graphics/texture.h
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@ -20,6 +20,7 @@ typedef enum {
typedef struct {
FilterMode mode;
float anisotropy;
float sharpness;
} TextureFilter;
typedef enum {