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lovr
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Clear color;

This commit is contained in:
bjorn 2016-07-27 19:48:59 -07:00
parent 963a4cdb26
commit 67878c2c0a
1 changed files with 29 additions and 0 deletions
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29
src/graphics.c
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@ -21,6 +21,33 @@ int lovrGraphicsPresent(lua_State* L) {
return 0;
}
int lovrGraphicsGetClearColor(lua_State* L) {
GLfloat clearColor[4];
glGetFloatv(GL_COLOR_CLEAR_VALUE, clearColor);
lua_pushnumber(L, clearColor[0]);
lua_pushnumber(L, clearColor[1]);
lua_pushnumber(L, clearColor[2]);
lua_pushnumber(L, clearColor[3]);
return 4;
}
int lovrGraphicsSetClearColor(lua_State* L) {
float r = luaL_checknumber(L, 1);
float g = luaL_checknumber(L, 2);
float b = luaL_checknumber(L, 3);
float a = 1.0;
if (lua_gettop(L) == 4) {
a = luaL_checknumber(L, 4);
}
glClearColor(r, g, b, a);
return 0;
}
// TODO default shader
int lovrGraphicsSetShader(lua_State* L) {
GLuint shader = (GLuint) luaL_checknumber(L, 1);
@ -81,6 +108,8 @@ int lovrGraphicsNewShader(lua_State* L) {
const luaL_Reg lovrGraphics[] = {
{ "clear", lovrGraphicsClear },
{ "present", lovrGraphicsPresent },
{ "getClearColor", lovrGraphicsGetClearColor },
{ "setClearColor", lovrGraphicsSetClearColor },
{ "setShader", lovrGraphicsSetShader },
{ "newModel", lovrGraphicsNewModel },
{ "newBuffer", lovrGraphicsNewBuffer },