/*
* @brief This is called every frame, and can also be called explicitly to flush
* text to the screen.
*/
void Cl_UpdateScreen(void) {
R_BeginFrame();
if (cls.state == CL_ACTIVE && !cls.loading) {
Cl_UpdateView();
R_Setup3D();
R_DrawView();
R_Setup2D();
if (cls.key_state.dest != KEY_CONSOLE && cls.key_state.dest != KEY_UI) {
Cl_DrawNetGraph();
Cl_DrawCounters();
Cl_DrawNotify();
Cl_DrawRendererStats();
Cl_DrawSoundStats();
cls.cgame->DrawFrame(&cl.frame);
}
} else {
R_Setup2D();
}
Cl_DrawConsole();
R_Draw2D(); // draw all 2D geometry for the frame
Ui_Draw();
Cl_DrawCursor();
R_EndFrame();
}
/**
* @sa R_BeginFrame
* @sa R_EndFrame
*/
void R_RenderFrame (void)
{
R_Setup3D();
/* activate wire mode */
if (r_wire->integer)
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
if (!(refdef.rendererFlags & RDF_NOWORLDMODEL)) {
int tile;
if (r_threads->integer) {
while (r_threadstate.state != THREAD_RENDERER)
Sys_Sleep(0);
r_threadstate.state = THREAD_CLIENT;
} else {
R_SetupFrustum();
/* draw brushes on current worldlevel */
R_GetLevelSurfaceLists();
}
R_UpdateSustainedLights();
R_CheckError();
for (tile = 0; tile < r_numMapTiles; tile++) {
const model_t *mapTile = r_mapTiles[tile];
const mBspModel_t *bsp = &mapTile->bsp;
R_AddBspRRef(bsp, vec3_origin, vec3_origin, false);
}
R_GetEntityLists();
R_EnableFog(true);
R_RenderOpaqueBspRRefs();
R_RenderOpaqueWarpBspRRefs();
R_DrawOpaqueMeshEntities(r_opaque_mesh_entities);
R_RenderAlphaTestBspRRefs();
R_EnableBlend(true);
R_RenderMaterialBspRRefs();
R_EnableFog(false);
R_RenderBlendBspRRefs();
R_RenderBlendWarpBspRRefs();
R_DrawBlendMeshEntities(r_blend_mesh_entities);
R_EnableFog(true);
R_RenderFlareBspRRefs();
R_EnableFog(false);
if (r_debug_lights->integer) {
int i;
for (i = 0; i < refdef.numStaticLights; i++) {
const light_t *l = &refdef.staticLights[i];
R_AddCorona(l->origin, l->radius, l->color);
}
for (i = 0; i < refdef.numDynamicLights; i++) {
const light_t *l = &refdef.dynamicLights[i];
R_AddCorona(l->origin, l->radius, l->color);
}
}
R_DrawCoronas();
R_EnableBlend(false);
for (tile = 0; tile < r_numMapTiles; tile++) {
R_DrawBspNormals(tile);
}
R_Color(NULL);
R_DrawSpecialEntities(r_special_entities);
R_DrawNullEntities(r_null_entities);
R_DrawEntityEffects();
} else {
glClear(GL_DEPTH_BUFFER_BIT);
R_GetEntityLists();
R_RenderOpaqueBspRRefs();
R_RenderOpaqueWarpBspRRefs();
R_DrawOpaqueMeshEntities(r_opaque_mesh_entities);
R_RenderAlphaTestBspRRefs();
R_EnableBlend(true);
R_RenderMaterialBspRRefs();
R_RenderBlendBspRRefs();
R_RenderBlendWarpBspRRefs();
R_DrawBlendMeshEntities(r_blend_mesh_entities);
R_RenderFlareBspRRefs();
R_EnableBlend(false);
R_Color(NULL);
R_DrawSpecialEntities(r_special_entities);
R_DrawNullEntities(r_null_entities);
R_DrawEntityEffects();
}
R_EnableBlend(true);
R_DrawParticles();
R_EnableBlend(false);
/* leave wire mode again */
if (r_wire->integer)
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
R_DrawBloom();
R_DrawBoundingBoxes();
R_ResetArrayState();
/* go back into 2D mode for hud and the like */
R_Setup2D();
R_CheckError();
}
/**
* @sa R_RenderFrame
* @sa R_EndFrame
*/
void R_BeginFrame (void)
{
r_locals.frame++;
/* avoid overflows, negatives and zero are reserved */
if (r_locals.frame > 0xffff)
r_locals.frame = 1;
if (Com_IsRenderModified()) {
Com_Printf("Modified render related cvars\n");
if (Cvar_PendingCvars(CVAR_R_PROGRAMS))
R_RestartPrograms_f();
/* prevent reloading of some rendering cvars */
Cvar_ClearVars(CVAR_R_MASK);
Com_SetRenderModified(false);
}
if (r_anisotropic->modified) {
if (r_anisotropic->integer > r_config.maxAnisotropic) {
Com_Printf("...max GL_EXT_texture_filter_anisotropic value is %i\n", r_config.maxAnisotropic);
Cvar_SetValue("r_anisotropic", r_config.maxAnisotropic);
}
/*R_UpdateAnisotropy();*/
r_anisotropic->modified = false;
}
/* draw buffer stuff */
if (r_drawbuffer->modified) {
r_drawbuffer->modified = false;
if (Q_strcasecmp(r_drawbuffer->string, "GL_FRONT") == 0)
glDrawBuffer(GL_FRONT);
else
glDrawBuffer(GL_BACK);
R_CheckError();
}
/* texturemode stuff */
/* Realtime set level of anisotropy filtering and change texture lod bias */
if (r_texturemode->modified) {
R_TextureMode(r_texturemode->string);
r_texturemode->modified = false;
}
if (r_texturealphamode->modified) {
R_TextureAlphaMode(r_texturealphamode->string);
r_texturealphamode->modified = false;
}
if (r_texturesolidmode->modified) {
R_TextureSolidMode(r_texturesolidmode->string);
r_texturesolidmode->modified = false;
}
/* threads */
if (r_threads->modified) {
if (r_threads->integer)
R_InitThreads();
else
R_ShutdownThreads();
r_threads->modified = false;
}
R_Setup2D();
/* clear screen if desired */
R_Clear();
}