void rt_deletescene(SceneHandle voidscene) {
scenedef * scene = (scenedef *) voidscene;
list * cur, * next;
if (scene != NULL) {
if (scene->imginternal) {
free(scene->img);
}
/* tear down and deallocate persistent rendering threads */
destroy_render_threads(scene);
/* tear down and deallocate persistent scanline receives */
if (scene->parbuf != NULL)
rt_delete_scanlinereceives(scene->parbuf);
/* free all lights */
cur = scene->lightlist;
while (cur != NULL) {
next = cur->next;
/* free lights that have special data, or aren't freed */
/* as part of the object list deallocation loop. */
free_light_special(cur->item);
free(cur);
cur = next;
}
/* free all textures */
cur = scene->texlist;
while (cur != NULL) {
next = cur->next;
((texture *) cur->item)->methods->freetex(cur->item); /* free texture */
free(cur); /* free list entry */
cur = next;
}
/* free all clipping planes */
cur = scene->cliplist;
while (cur != NULL) {
next = cur->next;
free(((clip_group *) cur->item)->planes); /* free array of clip planes */
free(cur->item); /* free clip group struct */
free(cur); /* free list entry */
cur = next;
}
/* free all other textures, MIP Maps, and images */
FreeTextures();
free(scene->cpuinfo);
free_objects(scene->objgroup.boundedobj);
free_objects(scene->objgroup.unboundedobj);
free(scene);
}
}
void RAS_2DFilterManager::SetupTextures(bool depth, bool luminance)
{
FreeTextures();
glGenTextures(1, (GLuint*)&texname[0]);
glBindTexture(GL_TEXTURE_2D, texname[0]);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, texturewidth, textureheight, 0, GL_RGBA,
GL_UNSIGNED_BYTE, 0);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
if(depth){
glGenTextures(1, (GLuint*)&texname[1]);
glBindTexture(GL_TEXTURE_2D, texname[1]);
glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT32, texturewidth,textureheight,
0, GL_DEPTH_COMPONENT, GL_UNSIGNED_BYTE,NULL);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE,
GL_NONE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
}
if(luminance){
glGenTextures(1, (GLuint*)&texname[2]);
glBindTexture(GL_TEXTURE_2D, texname[2]);
glTexImage2D(GL_TEXTURE_2D, 0, GL_LUMINANCE16, texturewidth, textureheight,
0, GL_LUMINANCE, GL_UNSIGNED_BYTE, 0);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
}
}
TextureCache::~TextureCache()
{
FreeTextures();
}
void rt_finalize(void) {
FreeTextures();
rt_par_finish();
}
void CShadowHandler::Init()
{
const bool tmpFirstInit = firstInit;
firstInit = false;
shadowConfig = configHandler->GetInt("Shadows");
shadowMapSize = configHandler->GetInt("ShadowMapSize");
shadowProMode = configHandler->GetInt("ShadowProjectionMode");
shadowGenBits = SHADOWGEN_BIT_NONE;
shadowsLoaded = false;
inShadowPass = false;
shadowTexture = 0;
dummyColorTexture = 0;
if (!tmpFirstInit && !shadowsSupported) {
return;
}
// possible values for the "Shadows" config-parameter:
// < 0: disable and don't try to initialize
// 0: disable, but still check if the hardware is able to run them
// > 0: enabled (by default for all shadow-casting geometry if equal to 1)
if (shadowConfig < 0) {
LOG("[%s] shadow rendering is disabled (config-value %d)", __FUNCTION__, shadowConfig);
return;
}
if (shadowConfig > 0)
shadowGenBits = SHADOWGEN_BIT_MODEL | SHADOWGEN_BIT_MAP | SHADOWGEN_BIT_PROJ | SHADOWGEN_BIT_TREE;
if (shadowConfig > 1) {
shadowGenBits &= (~shadowConfig);
}
// no warnings when running headless
if (SpringVersion::IsHeadless())
return;
if (!globalRendering->haveARB && !globalRendering->haveGLSL) {
LOG_L(L_WARNING, "[%s] GPU does not support either ARB or GLSL shaders for shadow rendering", __FUNCTION__);
return;
}
if (!globalRendering->haveGLSL) {
if (!GLEW_ARB_shadow || !GLEW_ARB_depth_texture || !GLEW_ARB_texture_env_combine) {
LOG_L(L_WARNING, "[%s] required OpenGL ARB-extensions missing for shadow rendering", __FUNCTION__);
// NOTE: these should only be relevant for FFP shadows
// return;
}
if (!GLEW_ARB_shadow_ambient) {
// can't use arbitrary texvals in case the depth comparison op fails (only 0)
LOG_L(L_WARNING, "[%s] \"ARB_shadow_ambient\" extension missing (will probably make shadows darker than they should be)", __FUNCTION__);
}
}
if (!InitDepthTarget()) {
// free any resources allocated by InitDepthTarget()
FreeTextures();
LOG_L(L_ERROR, "[%s] failed to initialize depth-texture FBO", __FUNCTION__);
return;
}
if (tmpFirstInit) {
shadowsSupported = true;
}
if (shadowConfig == 0) {
// free any resources allocated by InitDepthTarget()
FreeTextures();
// shadowsLoaded is still false
return;
}
LoadShadowGenShaderProgs();
}
void CShadowHandler::Kill()
{
FreeTextures();
shaderHandler->ReleaseProgramObjects("[ShadowHandler]");
shadowGenProgs.clear();
}
TextureManager::~TextureManager()
{
FreeTextures( ETL_Permanent );
}
RAS_2DFilterManager::~RAS_2DFilterManager()
{
FreeTextures();
}
void CResourceManager::ShutDown(void)
{
FreeTextures();
FreeAudio();
}