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Added examples in shaders.cpp

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This commit is contained in:
Simone Starace 2022-04-09 20:26:07 +02:00
parent bb33ed7525
commit 8db9d17da3
1 changed files with 32 additions and 0 deletions

32
src/video/shaders.cpp
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@ -402,6 +402,16 @@ bool RenderWithShader(SDL_Renderer *renderer, SDL_Window* win, SDL_Texture* back
return true;
}
/**
** <b>Description</b>
**
** Get the active shader.
**
** Example:
**
** <div class="example"><code>shader_name = <strong>GetShader</strong>()
** print(shader_name)</code></div>
*/
static int CclGetShader(lua_State *l) {
LuaCheckArgs(l, 0);
const char* shaderName = shaderNames[currentShaderIdx];
@ -413,6 +423,16 @@ static int CclGetShader(lua_State *l) {
return 1;
}
/**
** <b>Description</b>
**
** Apply a shader.
**
** Example:
**
** <div class="example"><code>-- Apply a VHS shader
** <strong>SetShader</strong>("VHS")</code></div>
*/
static int CclSetShader(lua_State *l) {
LuaCheckArgs(l, 1);
const char* shaderName = LuaToString(l, 1);
@ -434,6 +454,18 @@ static int CclSetShader(lua_State *l) {
return 1;
}
/**
** <b>Description</b>
**
** Get the list of shaders.
**
** Example:
**
** <div class="example"><code>shaders = <strong>GetShaderNames</strong>()
** for i,name in ipairs(shaders) do
** print(name)
** end</code></div>
*/
static int CclGetShaderNames(lua_State *l) {
LuaCheckArgs(l, 0);
lua_newtable(l);