// Updated transforms void PolygonSortModelRenderer::UpdateModelData(CModel* model, void* data, int updateflags) { PSModel* psmdl = (PSModel*)data; if (updateflags & (RENDERDATA_UPDATE_VERTICES|RENDERDATA_UPDATE_COLOR)) { CModelDefPtr mdef = model->GetModelDef(); size_t numVertices = mdef->GetNumVertices(); // build vertices // allocate working space for computing normals if (numVertices > m->normalsNumVertices) { rtl_FreeAligned(m->normals); size_t newSize = round_up_to_pow2(numVertices); m->normals = (char*)rtl_AllocateAligned(newSize*16, 16); m->normalsNumVertices = newSize; } VertexArrayIterator<CVector3D> Position = psmdl->m_Position.GetIterator<CVector3D>(); VertexArrayIterator<CVector3D> Normal = VertexArrayIterator<CVector3D>(m->normals, 16); ModelRenderer::BuildPositionAndNormals(model, Position, Normal); VertexArrayIterator<SColor4ub> Color = psmdl->m_Color.GetIterator<SColor4ub>(); ModelRenderer::BuildColor4ub(model, Normal, Color); // upload everything to vertex buffer psmdl->m_Array.Upload(); } // resort model indices from back to front, according to the view camera position - and store // the returned sqrd distance to the centre of the nearest triangle // Use the view camera instead of the cull camera because: // a) polygon sorting implicitly uses the view camera (and changing that would be costly) // b) using the cull camera is likely not interesting from a debugging POV PROFILE_START( "sorting transparent" ); CMatrix3D worldToCam; g_Renderer.GetViewCamera().m_Orientation.GetInverse(worldToCam); psmdl->BackToFrontIndexSort(worldToCam); PROFILE_END( "sorting transparent" ); }
////////////////////////////////////////////////////////////////////////// // Create the shadow map void ShadowMapInternals::CreateTexture() { // Cleanup if (Texture) { glDeleteTextures(1, &Texture); Texture = 0; } if (DummyTexture) { glDeleteTextures(1, &DummyTexture); DummyTexture = 0; } if (Framebuffer) { pglDeleteFramebuffersEXT(1, &Framebuffer); Framebuffer = 0; } pglGenFramebuffersEXT(1, &Framebuffer); if (g_Renderer.m_ShadowMapSize != 0) { // non-default option to override the size Width = Height = g_Renderer.m_ShadowMapSize; } else { // get shadow map size as next power of two up from view width and height Width = (int)round_up_to_pow2((unsigned)g_Renderer.GetWidth()); Height = (int)round_up_to_pow2((unsigned)g_Renderer.GetHeight()); } // Clamp to the maximum texture size Width = std::min(Width, (int)ogl_max_tex_size); Height = std::min(Height, (int)ogl_max_tex_size); // Since we're using a framebuffer object, the whole texture is available EffectiveWidth = Width; EffectiveHeight = Height; const char* formatname; switch(DepthTextureBits) { case 16: formatname = "DEPTH_COMPONENT16"; break; case 24: formatname = "DEPTH_COMPONENT24"; break; case 32: formatname = "DEPTH_COMPONENT32"; break; default: formatname = "DEPTH_COMPONENT"; break; } LOGMESSAGE(L"Creating shadow texture (size %dx%d) (format = %hs)", Width, Height, formatname); if (g_Renderer.m_Options.m_ShadowAlphaFix) { glGenTextures(1, &DummyTexture); g_Renderer.BindTexture(0, DummyTexture); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, Width, Height, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL); } glGenTextures(1, &Texture); g_Renderer.BindTexture(0, Texture); GLenum format; switch(DepthTextureBits) { case 16: format = GL_DEPTH_COMPONENT16; break; case 24: format = GL_DEPTH_COMPONENT24; break; case 32: format = GL_DEPTH_COMPONENT32; break; default: format = GL_DEPTH_COMPONENT; break; } glTexImage2D(GL_TEXTURE_2D, 0, format, Width, Height, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_BYTE, NULL); glTexParameteri(GL_TEXTURE_2D, GL_DEPTH_TEXTURE_MODE, GL_INTENSITY); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE, GL_COMPARE_R_TO_TEXTURE); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_FUNC, GL_LEQUAL); // set texture parameters glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER, GL_LINEAR); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER, GL_LINEAR); // bind to framebuffer object glBindTexture(GL_TEXTURE_2D, 0); pglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, Framebuffer); pglFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, GL_TEXTURE_2D, Texture, 0); if (g_Renderer.m_Options.m_ShadowAlphaFix) { pglFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_2D, DummyTexture, 0); } else { glDrawBuffer(GL_NONE); } glReadBuffer(GL_NONE); GLenum status = pglCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT); pglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0); if (status != GL_FRAMEBUFFER_COMPLETE_EXT) { LOGWARNING(L"Framebuffer object incomplete: %04d", status); // Disable shadow rendering (but let the user try again if they want) g_Renderer.m_Options.m_Shadows = false; } FilterOffsets[0] = -0.4f/Width; FilterOffsets[1] = 1.0f/Height; FilterOffsets[2] = -1.0f/Width; FilterOffsets[3] = -0.4f/Height; FilterOffsets[4] = 0.4f/Width; FilterOffsets[5] = -1.0f/Height; FilterOffsets[6] = 1.0f/Width; FilterOffsets[7] = 0.4f/Height; }
/////////////////////////////////////////////////////////////////// // Progressive load of water textures int WaterManager::LoadWaterTextures() { // TODO: this doesn't need to be progressive-loading any more // (since texture loading is async now) wchar_t pathname[PATH_MAX]; // Load diffuse grayscale images (for non-fancy water) for (size_t i = 0; i < ARRAY_SIZE(m_WaterTexture); ++i) { swprintf_s(pathname, ARRAY_SIZE(pathname), L"art/textures/animated/water/default/diffuse%02d.dds", (int)i+1); CTextureProperties textureProps(pathname); textureProps.SetWrap(GL_REPEAT); CTexturePtr texture = g_Renderer.GetTextureManager().CreateTexture(textureProps); texture->Prefetch(); m_WaterTexture[i] = texture; } if (!g_Renderer.GetCapabilities().m_PrettyWater) { // Enable rendering, now that we've succeeded this far m_RenderWater = true; return 0; } #if CONFIG2_GLES #warning Fix WaterManager::LoadWaterTextures on GLES #else // Load normalmaps (for fancy water) for (size_t i = 0; i < ARRAY_SIZE(m_NormalMap); ++i) { swprintf_s(pathname, ARRAY_SIZE(pathname), L"art/textures/animated/water/%ls/normal00%02d.png", m_WaterType.c_str(), (int)i+1); CTextureProperties textureProps(pathname); textureProps.SetWrap(GL_REPEAT); textureProps.SetMaxAnisotropy(4); CTexturePtr texture = g_Renderer.GetTextureManager().CreateTexture(textureProps); texture->Prefetch(); m_NormalMap[i] = texture; } // Load CoastalWaves { CTextureProperties textureProps(L"art/textures/terrain/types/water/coastalWave.png"); textureProps.SetWrap(GL_REPEAT); CTexturePtr texture = g_Renderer.GetTextureManager().CreateTexture(textureProps); texture->Prefetch(); m_WaveTex = texture; } // Load Foam { CTextureProperties textureProps(L"art/textures/terrain/types/water/foam.png"); textureProps.SetWrap(GL_REPEAT); CTexturePtr texture = g_Renderer.GetTextureManager().CreateTexture(textureProps); texture->Prefetch(); m_FoamTex = texture; } // Use screen-sized textures for minimum artifacts. m_RefTextureSize = g_Renderer.GetHeight(); m_RefTextureSize = round_up_to_pow2(m_RefTextureSize); // Create reflection texture glGenTextures(1, &m_ReflectionTexture); glBindTexture(GL_TEXTURE_2D, m_ReflectionTexture); 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_MIRRORED_REPEAT); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_MIRRORED_REPEAT); glTexImage2D( GL_TEXTURE_2D, 0, GL_RGBA8, (GLsizei)m_RefTextureSize, (GLsizei)m_RefTextureSize, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0); // Create refraction texture glGenTextures(1, &m_RefractionTexture); glBindTexture(GL_TEXTURE_2D, m_RefractionTexture); 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_MIRRORED_REPEAT); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_MIRRORED_REPEAT); glTexImage2D( GL_TEXTURE_2D, 0, GL_RGB8, (GLsizei)m_RefTextureSize, (GLsizei)m_RefTextureSize, 0, GL_RGB, GL_UNSIGNED_BYTE, 0); // Create depth textures glGenTextures(1, &m_ReflFboDepthTexture); glBindTexture(GL_TEXTURE_2D, m_ReflFboDepthTexture); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); glTexImage2D( GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT32, (GLsizei)m_RefTextureSize, (GLsizei)m_RefTextureSize, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT, NULL); glGenTextures(1, &m_RefrFboDepthTexture); glBindTexture(GL_TEXTURE_2D, m_RefrFboDepthTexture); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); glTexImage2D( GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT32, (GLsizei)m_RefTextureSize, (GLsizei)m_RefTextureSize, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT, NULL); // Create the Fancy Effects texture glGenTextures(1, &m_FancyTextureNormal); glBindTexture(GL_TEXTURE_2D, m_FancyTextureNormal); 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_REPEAT); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); glGenTextures(1, &m_FancyTextureOther); glBindTexture(GL_TEXTURE_2D, m_FancyTextureOther); 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_REPEAT); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); glGenTextures(1, &m_FancyTextureDepth); glBindTexture(GL_TEXTURE_2D, m_FancyTextureDepth); 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_REPEAT); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); glBindTexture(GL_TEXTURE_2D, 0); Resize(); // Create the water framebuffers GLint currentFbo; glGetIntegerv(GL_FRAMEBUFFER_BINDING_EXT, ¤tFbo); m_ReflectionFbo = 0; pglGenFramebuffersEXT(1, &m_ReflectionFbo); pglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, m_ReflectionFbo); pglFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_2D, m_ReflectionTexture, 0); pglFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, GL_TEXTURE_2D, m_ReflFboDepthTexture, 0); ogl_WarnIfError(); GLenum status = pglCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT); if (status != GL_FRAMEBUFFER_COMPLETE_EXT) { LOGWARNING("Reflection framebuffer object incomplete: 0x%04X", status); g_Renderer.m_Options.m_WaterReflection = false; } m_RefractionFbo = 0; pglGenFramebuffersEXT(1, &m_RefractionFbo); pglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, m_RefractionFbo); pglFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_2D, m_RefractionTexture, 0); pglFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, GL_TEXTURE_2D, m_RefrFboDepthTexture, 0); ogl_WarnIfError(); status = pglCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT); if (status != GL_FRAMEBUFFER_COMPLETE_EXT) { LOGWARNING("Refraction framebuffer object incomplete: 0x%04X", status); g_Renderer.m_Options.m_WaterRefraction = false; } pglGenFramebuffersEXT(1, &m_FancyEffectsFBO); pglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, m_FancyEffectsFBO); pglFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_2D, m_FancyTextureNormal, 0); pglFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT1_EXT, GL_TEXTURE_2D, m_FancyTextureOther, 0); pglFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, GL_TEXTURE_2D, m_FancyTextureDepth, 0); ogl_WarnIfError(); status = pglCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT); if (status != GL_FRAMEBUFFER_COMPLETE_EXT) { LOGWARNING("Fancy Effects framebuffer object incomplete: 0x%04X", status); g_Renderer.m_Options.m_WaterRefraction = false; } pglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, currentFbo); // Enable rendering, now that we've succeeded this far m_RenderWater = true; #endif return 0; }
void CMiniMap::Draw() { PROFILE3("render minimap"); // The terrain isn't actually initialized until the map is loaded, which // happens when the game is started, so abort until then. if(!(GetGUI() && g_Game && g_Game->IsGameStarted())) return; CSimulation2* sim = g_Game->GetSimulation2(); CmpPtr<ICmpRangeManager> cmpRangeManager(*sim, SYSTEM_ENTITY); ENSURE(cmpRangeManager); // Set our globals in case they hadn't been set before m_Camera = g_Game->GetView()->GetCamera(); m_Terrain = g_Game->GetWorld()->GetTerrain(); m_Width = (u32)(m_CachedActualSize.right - m_CachedActualSize.left); m_Height = (u32)(m_CachedActualSize.bottom - m_CachedActualSize.top); m_MapSize = m_Terrain->GetVerticesPerSide(); m_TextureSize = (GLsizei)round_up_to_pow2((size_t)m_MapSize); m_MapScale = (cmpRangeManager->GetLosCircular() ? 1.f : 1.414f); if(!m_TerrainTexture || g_GameRestarted) CreateTextures(); // only update 2x / second // (note: since units only move a few pixels per second on the minimap, // we can get away with infrequent updates; this is slow) static double last_time; const double cur_time = timer_Time(); if(cur_time - last_time > 0.5) { last_time = cur_time; if(m_TerrainDirty) RebuildTerrainTexture(); } glMatrixMode(GL_PROJECTION); glPushMatrix(); glLoadIdentity(); glMatrixMode(GL_MODELVIEW); glPushMatrix(); CMatrix3D matrix = GetDefaultGuiMatrix(); glLoadMatrixf(&matrix._11); // Disable depth updates to prevent apparent z-fighting-related issues // with some drivers causing units to get drawn behind the texture glDepthMask(0); const float x = m_CachedActualSize.left, y = m_CachedActualSize.bottom; const float x2 = m_CachedActualSize.right, y2 = m_CachedActualSize.top; const float z = GetBufferedZ(); const float texCoordMax = (float)(m_MapSize - 1) / (float)m_TextureSize; const float angle = GetAngle(); // Draw the main textured quad g_Renderer.BindTexture(0, m_TerrainTexture); glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); DrawTexture(texCoordMax, angle, x, y, x2, y2, z); // Draw territory boundaries CTerritoryTexture& territoryTexture = g_Game->GetView()->GetTerritoryTexture(); territoryTexture.BindTexture(0); glEnable(GL_BLEND); glMatrixMode(GL_TEXTURE); glLoadMatrixf(territoryTexture.GetMinimapTextureMatrix()); glMatrixMode(GL_MODELVIEW); DrawTexture(1.0f, angle, x, y, x2, y2, z); glMatrixMode(GL_TEXTURE); glLoadIdentity(); glMatrixMode(GL_MODELVIEW); glDisable(GL_BLEND); // Draw the LOS quad in black, using alpha values from the LOS texture CLOSTexture& losTexture = g_Game->GetView()->GetLOSTexture(); losTexture.BindTexture(0); glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE); glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_ARB, GL_REPLACE); glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_ARB, GL_PRIMARY_COLOR_ARB); glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB_ARB, GL_SRC_COLOR); glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, GL_REPLACE); glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_ARB, GL_TEXTURE); glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_ALPHA_ARB, GL_ONE_MINUS_SRC_ALPHA); glEnable(GL_BLEND); glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); glColor3f(0.0f, 0.0f, 0.0f); glMatrixMode(GL_TEXTURE); glLoadMatrixf(losTexture.GetMinimapTextureMatrix()); glMatrixMode(GL_MODELVIEW); DrawTexture(1.0f, angle, x, y, x2, y2, z); glMatrixMode(GL_TEXTURE); glLoadIdentity(); glMatrixMode(GL_MODELVIEW); glDisable(GL_BLEND); // Set up the matrix for drawing points and lines glPushMatrix(); glTranslatef(x, y, z); // Rotate around the center of the map glTranslatef((x2-x)/2.f, (y2-y)/2.f, 0.f); // Scale square maps to fit in circular minimap area float unitScale = (cmpRangeManager->GetLosCircular() ? 1.f : m_MapScale/2.f); glScalef(unitScale, unitScale, 1.f); glRotatef(angle * 180.f/M_PI, 0.f, 0.f, 1.f); glTranslatef(-(x2-x)/2.f, -(y2-y)/2.f, 0.f); PROFILE_START("minimap units"); // Don't enable GL_POINT_SMOOTH because it's far too slow // (~70msec/frame on a GF4 rendering a thousand points) glPointSize(3.f); float sx = (float)m_Width / ((m_MapSize - 1) * TERRAIN_TILE_SIZE); float sy = (float)m_Height / ((m_MapSize - 1) * TERRAIN_TILE_SIZE); CSimulation2::InterfaceList ents = sim->GetEntitiesWithInterface(IID_Minimap); std::vector<MinimapUnitVertex> vertexArray; vertexArray.reserve(ents.size()); for (CSimulation2::InterfaceList::const_iterator it = ents.begin(); it != ents.end(); ++it) { MinimapUnitVertex v; ICmpMinimap* cmpMinimap = static_cast<ICmpMinimap*>(it->second); entity_pos_t posX, posZ; if (cmpMinimap->GetRenderData(v.r, v.g, v.b, posX, posZ)) { ICmpRangeManager::ELosVisibility vis = cmpRangeManager->GetLosVisibility(it->first, g_Game->GetPlayerID()); if (vis != ICmpRangeManager::VIS_HIDDEN) { v.a = 255; v.x = posX.ToFloat()*sx; v.y = -posZ.ToFloat()*sy; vertexArray.push_back(v); } } } if (!vertexArray.empty()) { glEnableClientState(GL_VERTEX_ARRAY); glEnableClientState(GL_COLOR_ARRAY); glVertexPointer(2, GL_FLOAT, sizeof(MinimapUnitVertex), &vertexArray[0].x); glColorPointer(4, GL_UNSIGNED_BYTE, sizeof(MinimapUnitVertex), &vertexArray[0].r); glDrawArrays(GL_POINTS, 0, (GLsizei)vertexArray.size()); glDisableClientState(GL_COLOR_ARRAY); glDisableClientState(GL_VERTEX_ARRAY); } PROFILE_END("minimap units"); DrawViewRect(); glPopMatrix(); glMatrixMode(GL_PROJECTION); glPopMatrix(); glMatrixMode(GL_MODELVIEW); glPopMatrix(); // Reset everything back to normal glPointSize(1.0f); glEnable(GL_TEXTURE_2D); glDepthMask(1); }
// TODO: render the minimap in a framebuffer and just draw the frambuffer texture // most of the time, updating the framebuffer twice a frame. // Here it updates as ping-pong either texture or vertex array each sec to lower gpu stalling // (those operations cause a gpu sync, which slows down the way gpu works) void CMiniMap::Draw() { PROFILE3("render minimap"); // The terrain isn't actually initialized until the map is loaded, which // happens when the game is started, so abort until then. if(!(GetGUI() && g_Game && g_Game->IsGameStarted())) return; CSimulation2* sim = g_Game->GetSimulation2(); CmpPtr<ICmpRangeManager> cmpRangeManager(*sim, SYSTEM_ENTITY); ENSURE(cmpRangeManager); // Set our globals in case they hadn't been set before m_Camera = g_Game->GetView()->GetCamera(); m_Terrain = g_Game->GetWorld()->GetTerrain(); m_Width = (u32)(m_CachedActualSize.right - m_CachedActualSize.left); m_Height = (u32)(m_CachedActualSize.bottom - m_CachedActualSize.top); m_MapSize = m_Terrain->GetVerticesPerSide(); m_TextureSize = (GLsizei)round_up_to_pow2((size_t)m_MapSize); m_MapScale = (cmpRangeManager->GetLosCircular() ? 1.f : 1.414f); if(!m_TerrainTexture || g_GameRestarted) CreateTextures(); // only update 2x / second // (note: since units only move a few pixels per second on the minimap, // we can get away with infrequent updates; this is slow) // TODO: store frequency in a config file? static double last_time; const double cur_time = timer_Time(); const bool doUpdate = cur_time - last_time > 0.5; if(doUpdate) { last_time = cur_time; if(m_TerrainDirty) RebuildTerrainTexture(); } glMatrixMode(GL_PROJECTION); glPushMatrix(); glLoadIdentity(); glMatrixMode(GL_MODELVIEW); glPushMatrix(); CMatrix3D matrix = GetDefaultGuiMatrix(); glLoadMatrixf(&matrix._11); // Disable depth updates to prevent apparent z-fighting-related issues // with some drivers causing units to get drawn behind the texture glDepthMask(0); CShaderProgramPtr shader; CShaderTechniquePtr tech; if (g_Renderer.GetRenderPath() == CRenderer::RP_SHADER) { CShaderDefines defines; defines.Add(str_MINIMAP_BASE, str_1); tech = g_Renderer.GetShaderManager().LoadEffect(str_minimap, g_Renderer.GetSystemShaderDefines(), defines); tech->BeginPass(); shader = tech->GetShader(); } const float x = m_CachedActualSize.left, y = m_CachedActualSize.bottom; const float x2 = m_CachedActualSize.right, y2 = m_CachedActualSize.top; const float z = GetBufferedZ(); const float texCoordMax = (float)(m_MapSize - 1) / (float)m_TextureSize; const float angle = GetAngle(); // Draw the main textured quad if (g_Renderer.GetRenderPath() == CRenderer::RP_SHADER) shader->BindTexture(str_baseTex, m_TerrainTexture); else g_Renderer.BindTexture(0, m_TerrainTexture); glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); DrawTexture(shader, texCoordMax, angle, x, y, x2, y2, z); // Draw territory boundaries CTerritoryTexture& territoryTexture = g_Game->GetView()->GetTerritoryTexture(); if (g_Renderer.GetRenderPath() == CRenderer::RP_SHADER) shader->BindTexture(str_baseTex, territoryTexture.GetTexture()); else territoryTexture.BindTexture(0); glEnable(GL_BLEND); glMatrixMode(GL_TEXTURE); glLoadMatrixf(territoryTexture.GetMinimapTextureMatrix()); glMatrixMode(GL_MODELVIEW); DrawTexture(shader, 1.0f, angle, x, y, x2, y2, z); glMatrixMode(GL_TEXTURE); glLoadIdentity(); glMatrixMode(GL_MODELVIEW); glDisable(GL_BLEND); // Draw the LOS quad in black, using alpha values from the LOS texture CLOSTexture& losTexture = g_Game->GetView()->GetLOSTexture(); if (g_Renderer.GetRenderPath() == CRenderer::RP_SHADER) { tech->EndPass(); CShaderDefines defines; defines.Add(str_MINIMAP_LOS, str_1); tech = g_Renderer.GetShaderManager().LoadEffect(str_minimap, g_Renderer.GetSystemShaderDefines(), defines); tech->BeginPass(); shader = tech->GetShader(); shader->BindTexture(str_baseTex, losTexture.GetTexture()); } else { losTexture.BindTexture(0); } glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE); glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_ARB, GL_REPLACE); glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_ARB, GL_PRIMARY_COLOR_ARB); glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB_ARB, GL_SRC_COLOR); glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, GL_REPLACE); glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_ARB, GL_TEXTURE); glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_ALPHA_ARB, GL_ONE_MINUS_SRC_ALPHA); glEnable(GL_BLEND); glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); glColor3f(0.0f, 0.0f, 0.0f); glMatrixMode(GL_TEXTURE); glLoadMatrixf(losTexture.GetMinimapTextureMatrix()); glMatrixMode(GL_MODELVIEW); DrawTexture(shader, 1.0f, angle, x, y, x2, y2, z); glMatrixMode(GL_TEXTURE); glLoadIdentity(); glMatrixMode(GL_MODELVIEW); glDisable(GL_BLEND); if (g_Renderer.GetRenderPath() == CRenderer::RP_SHADER) { tech->EndPass(); CShaderDefines defines; defines.Add(str_MINIMAP_POINT, str_1); tech = g_Renderer.GetShaderManager().LoadEffect(str_minimap, g_Renderer.GetSystemShaderDefines(), defines); tech->BeginPass(); shader = tech->GetShader(); } // Set up the matrix for drawing points and lines glPushMatrix(); glTranslatef(x, y, z); // Rotate around the center of the map glTranslatef((x2-x)/2.f, (y2-y)/2.f, 0.f); // Scale square maps to fit in circular minimap area float unitScale = (cmpRangeManager->GetLosCircular() ? 1.f : m_MapScale/2.f); glScalef(unitScale, unitScale, 1.f); glRotatef(angle * 180.f/M_PI, 0.f, 0.f, 1.f); glTranslatef(-(x2-x)/2.f, -(y2-y)/2.f, 0.f); PROFILE_START("minimap units"); const float sx = (float)m_Width / ((m_MapSize - 1) * TERRAIN_TILE_SIZE); const float sy = (float)m_Height / ((m_MapSize - 1) * TERRAIN_TILE_SIZE); CSimulation2::InterfaceList ents = sim->GetEntitiesWithInterface(IID_Minimap); if (doUpdate) { VertexArrayIterator<float[2]> attrPos = m_AttributePos.GetIterator<float[2]>(); VertexArrayIterator<u8[4]> attrColor = m_AttributeColor.GetIterator<u8[4]>(); m_EntitiesDrawn = 0; MinimapUnitVertex v; std::vector<MinimapUnitVertex> pingingVertices; pingingVertices.reserve(MAX_ENTITIES_DRAWN/2); const double time = timer_Time(); if (time > m_NextBlinkTime) { m_BlinkState = !m_BlinkState; m_NextBlinkTime = time + m_HalfBlinkDuration; } entity_pos_t posX, posZ; for (CSimulation2::InterfaceList::const_iterator it = ents.begin(); it != ents.end(); ++it) { ICmpMinimap* cmpMinimap = static_cast<ICmpMinimap*>(it->second); if (cmpMinimap->GetRenderData(v.r, v.g, v.b, posX, posZ)) { ICmpRangeManager::ELosVisibility vis = cmpRangeManager->GetLosVisibility(it->first, g_Game->GetPlayerID()); if (vis != ICmpRangeManager::VIS_HIDDEN) { v.a = 255; v.x = posX.ToFloat()*sx; v.y = -posZ.ToFloat()*sy; // Check minimap pinging to indicate something if (m_BlinkState && cmpMinimap->CheckPing(time, m_PingDuration)) { v.r = 255; // ping color is white v.g = 255; v.b = 255; pingingVertices.push_back(v); } else { addVertex(v, attrColor, attrPos); ++m_EntitiesDrawn; } } } } // Add the pinged vertices at the end, so they are drawn on top for (size_t v = 0; v < pingingVertices.size(); ++v) { addVertex(pingingVertices[v], attrColor, attrPos); ++m_EntitiesDrawn; } ENSURE(m_EntitiesDrawn < MAX_ENTITIES_DRAWN); m_VertexArray.Upload(); } if (m_EntitiesDrawn > 0) { // Don't enable GL_POINT_SMOOTH because it's far too slow // (~70msec/frame on a GF4 rendering a thousand points) glPointSize(3.f); u8* indexBase = m_IndexArray.Bind(); u8* base = m_VertexArray.Bind(); const GLsizei stride = (GLsizei)m_VertexArray.GetStride(); if (g_Renderer.GetRenderPath() == CRenderer::RP_SHADER) { shader->VertexPointer(2, GL_FLOAT, stride, base + m_AttributePos.offset); shader->ColorPointer(4, GL_UNSIGNED_BYTE, stride, base + m_AttributeColor.offset); shader->AssertPointersBound(); } else { glEnableClientState(GL_VERTEX_ARRAY); glEnableClientState(GL_COLOR_ARRAY); glDisable(GL_TEXTURE_2D); glVertexPointer(2, GL_FLOAT, stride, base + m_AttributePos.offset); glColorPointer(4, GL_UNSIGNED_BYTE, stride, base + m_AttributeColor.offset); } if (!g_Renderer.m_SkipSubmit) { glDrawElements(GL_POINTS, (GLsizei)(m_EntitiesDrawn), GL_UNSIGNED_SHORT, indexBase); } g_Renderer.GetStats().m_DrawCalls++; CVertexBuffer::Unbind(); } PROFILE_END("minimap units"); if (g_Renderer.GetRenderPath() == CRenderer::RP_SHADER) { tech->EndPass(); CShaderDefines defines; defines.Add(str_MINIMAP_LINE, str_1); tech = g_Renderer.GetShaderManager().LoadEffect(str_minimap, g_Renderer.GetSystemShaderDefines(), defines); tech->BeginPass(); shader = tech->GetShader(); } else { glEnable(GL_TEXTURE_2D); glDisableClientState(GL_VERTEX_ARRAY); glDisableClientState(GL_COLOR_ARRAY); } DrawViewRect(); glPopMatrix(); glMatrixMode(GL_PROJECTION); glPopMatrix(); glMatrixMode(GL_MODELVIEW); glPopMatrix(); if (g_Renderer.GetRenderPath() == CRenderer::RP_SHADER) { tech->EndPass(); } // Reset everything back to normal glPointSize(1.0f); glEnable(GL_TEXTURE_2D); glDepthMask(1); }
////////////////////////////////////////////////////////////////////////// // Create the shadow map void ShadowMapInternals::CreateTexture() { // Cleanup if (Texture) { glDeleteTextures(1, &Texture); Texture = 0; } if (DummyTexture) { glDeleteTextures(1, &DummyTexture); DummyTexture = 0; } if (Framebuffer) { pglDeleteFramebuffersEXT(1, &Framebuffer); Framebuffer = 0; } pglGenFramebuffersEXT(1, &Framebuffer); if (g_Renderer.m_ShadowMapSize != 0) { // non-default option to override the size Width = Height = g_Renderer.m_ShadowMapSize; } else { // get shadow map size as next power of two up from view width/height Width = Height = (int)round_up_to_pow2((unsigned)std::max(g_Renderer.GetWidth(), g_Renderer.GetHeight())); } // Clamp to the maximum texture size Width = std::min(Width, (int)ogl_max_tex_size); Height = std::min(Height, (int)ogl_max_tex_size); // Since we're using a framebuffer object, the whole texture is available EffectiveWidth = Width; EffectiveHeight = Height; const char* formatname; switch(DepthTextureBits) { case 16: formatname = "DEPTH_COMPONENT16"; break; case 24: formatname = "DEPTH_COMPONENT24"; break; case 32: formatname = "DEPTH_COMPONENT32"; break; default: formatname = "DEPTH_COMPONENT"; break; } LOGMESSAGE(L"Creating shadow texture (size %dx%d) (format = %hs)", Width, Height, formatname); if (g_Renderer.m_Options.m_ShadowAlphaFix) { glGenTextures(1, &DummyTexture); g_Renderer.BindTexture(0, DummyTexture); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, Width, Height, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL); } glGenTextures(1, &Texture); g_Renderer.BindTexture(0, Texture); GLenum format; #if CONFIG2_GLES format = GL_DEPTH_COMPONENT; #else switch (DepthTextureBits) { case 16: format = GL_DEPTH_COMPONENT16; break; case 24: format = GL_DEPTH_COMPONENT24; break; case 32: format = GL_DEPTH_COMPONENT32; break; default: format = GL_DEPTH_COMPONENT; break; } #endif glTexImage2D(GL_TEXTURE_2D, 0, format, Width, Height, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT, NULL); // GLES requires type == UNSIGNED_SHORT or UNSIGNED_INT // set texture parameters glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); #if CONFIG2_GLES // GLES doesn't do depth comparisons, so treat it as a // basic unfiltered depth texture glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); #else // Enable automatic depth comparisons glTexParameteri(GL_TEXTURE_2D, GL_DEPTH_TEXTURE_MODE, GL_INTENSITY); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE, GL_COMPARE_R_TO_TEXTURE); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_FUNC, GL_LEQUAL); // Use GL_LINEAR to trigger automatic PCF on some devices glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); #endif ogl_WarnIfError(); // bind to framebuffer object glBindTexture(GL_TEXTURE_2D, 0); pglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, Framebuffer); pglFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, GL_TEXTURE_2D, Texture, 0); if (g_Renderer.m_Options.m_ShadowAlphaFix) { pglFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_2D, DummyTexture, 0); } else { #if CONFIG2_GLES #warning TODO: figure out whether the glDrawBuffer/glReadBuffer stuff is needed, since it is not supported by GLES #else glDrawBuffer(GL_NONE); #endif } #if !CONFIG2_GLES glReadBuffer(GL_NONE); #endif ogl_WarnIfError(); GLenum status = pglCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT); pglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0); if (status != GL_FRAMEBUFFER_COMPLETE_EXT) { LOGWARNING(L"Framebuffer object incomplete: 0x%04X", status); // Disable shadow rendering (but let the user try again if they want) g_Renderer.m_Options.m_Shadows = false; } }
/////////////////////////////////////////////////////////////////// // Progressive load of water textures int WaterManager::LoadWaterTextures() { // TODO: this doesn't need to be progressive-loading any more // (since texture loading is async now) // TODO: add a member variable and setter for this. (can't make this // a parameter because this function is called via delay-load code) static const wchar_t* const water_type = L"default"; wchar_t pathname[PATH_MAX]; // Load diffuse grayscale images (for non-fancy water) for (size_t i = 0; i < ARRAY_SIZE(m_WaterTexture); ++i) { swprintf_s(pathname, ARRAY_SIZE(pathname), L"art/textures/animated/water/%ls/diffuse%02d.dds", water_type, (int)i+1); CTextureProperties textureProps(pathname); textureProps.SetWrap(GL_REPEAT); CTexturePtr texture = g_Renderer.GetTextureManager().CreateTexture(textureProps); texture->Prefetch(); m_WaterTexture[i] = texture; } // Load normalmaps (for fancy water) for (size_t i = 0; i < ARRAY_SIZE(m_NormalMap); ++i) { swprintf_s(pathname, ARRAY_SIZE(pathname), L"art/textures/animated/water/%ls/normal%02d.dds", water_type, (int)i+1); CTextureProperties textureProps(pathname); textureProps.SetWrap(GL_REPEAT); CTexturePtr texture = g_Renderer.GetTextureManager().CreateTexture(textureProps); texture->Prefetch(); m_NormalMap[i] = texture; } // Load foam (for fancy water) { CTextureProperties textureProps("art/textures/terrain/types/water/foam.png"); textureProps.SetWrap(GL_REPEAT); CTexturePtr texture = g_Renderer.GetTextureManager().CreateTexture(textureProps); texture->Prefetch(); m_Foam = texture; } // Load waves (for fancy water) { CTextureProperties textureProps("art/textures/terrain/types/water/shore_wave.png"); textureProps.SetWrap(GL_REPEAT); CTexturePtr texture = g_Renderer.GetTextureManager().CreateTexture(textureProps); texture->Prefetch(); m_Wave = texture; } // Set the size to the largest power of 2 that is <= to the window height, so // the reflection/refraction images will fit within the window // (alternative: use FBO's, which can have arbitrary size - but do we need // the reflection/refraction textures to be that large?) int size = (int)round_up_to_pow2((unsigned)g_Renderer.GetHeight()); if(size > g_Renderer.GetHeight()) size /= 2; m_ReflectionTextureSize = size; m_RefractionTextureSize = size; // Create reflection texture glGenTextures(1, &m_ReflectionTexture); glBindTexture(GL_TEXTURE_2D, m_ReflectionTexture); glTexImage2D( GL_TEXTURE_2D, 0, GL_RGB, (GLsizei)m_ReflectionTextureSize, (GLsizei)m_ReflectionTextureSize, 0, GL_RGB, GL_UNSIGNED_BYTE, 0); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); // Create refraction texture glGenTextures(1, &m_RefractionTexture); glBindTexture(GL_TEXTURE_2D, m_RefractionTexture); glTexImage2D( GL_TEXTURE_2D, 0, GL_RGB, (GLsizei)m_RefractionTextureSize, (GLsizei)m_RefractionTextureSize, 0, GL_RGB, 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_MIRRORED_REPEAT); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_MIRRORED_REPEAT); // Enable rendering, now that we've succeeded this far m_RenderWater = true; return 0; }
void CLOSTexture::ConstructTexture(int unit) { CmpPtr<ICmpTerrain> cmpTerrain(m_Simulation, SYSTEM_ENTITY); if (!cmpTerrain) return; m_MapSize = cmpTerrain->GetVerticesPerSide(); m_TextureSize = (GLsizei)round_up_to_pow2((size_t)m_MapSize + g_BlurSize - 1); glGenTextures(1, &m_Texture); // Initialise texture with SoD colour, for the areas we don't // overwrite with glTexSubImage2D later u8* texData = new u8[m_TextureSize * m_TextureSize * 4]; memset(texData, 0x00, m_TextureSize * m_TextureSize * 4); if (CRenderer::IsInitialised() && g_Renderer.m_Options.m_SmoothLOS) { glGenTextures(1, &m_TextureSmooth1); glGenTextures(1, &m_TextureSmooth2); g_Renderer.BindTexture(unit, m_TextureSmooth1); glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, m_TextureSize, m_TextureSize, 0, GL_ALPHA, GL_UNSIGNED_BYTE, texData); 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_TO_EDGE); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); g_Renderer.BindTexture(unit, m_TextureSmooth2); glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, m_TextureSize, m_TextureSize, 0, GL_ALPHA, GL_UNSIGNED_BYTE, texData); 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_TO_EDGE); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); } g_Renderer.BindTexture(unit, m_Texture); glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, m_TextureSize, m_TextureSize, 0, GL_ALPHA, GL_UNSIGNED_BYTE, texData); 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_TO_EDGE); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); delete[] texData; { // Texture matrix: We want to map // world pos (0, y, 0) (i.e. first vertex) // onto texcoord (0.5/texsize, 0.5/texsize) (i.e. middle of first texel); // world pos ((mapsize-1)*cellsize, y, (mapsize-1)*cellsize) (i.e. last vertex) // onto texcoord ((mapsize-0.5) / texsize, (mapsize-0.5) / texsize) (i.e. middle of last texel) float s = (m_MapSize-1) / (float)(m_TextureSize * (m_MapSize-1) * TERRAIN_TILE_SIZE); float t = 0.5f / m_TextureSize; m_TextureMatrix.SetZero(); m_TextureMatrix._11 = s; m_TextureMatrix._23 = s; m_TextureMatrix._14 = t; m_TextureMatrix._24 = t; m_TextureMatrix._44 = 1; } { // Minimap matrix: We want to map UV (0,0)-(1,1) onto (0,0)-(mapsize/texsize, mapsize/texsize) float s = m_MapSize / (float)m_TextureSize; m_MinimapTextureMatrix.SetZero(); m_MinimapTextureMatrix._11 = s; m_MinimapTextureMatrix._22 = s; m_MinimapTextureMatrix._44 = 1; } }
// TODO: render the minimap in a framebuffer and just draw the frambuffer texture // most of the time, updating the framebuffer twice a frame. // Here it updates as ping-pong either texture or vertex array each sec to lower gpu stalling // (those operations cause a gpu sync, which slows down the way gpu works) void CMiniMap::Draw() { PROFILE3("render minimap"); // The terrain isn't actually initialized until the map is loaded, which // happens when the game is started, so abort until then. if (!(GetGUI() && g_Game && g_Game->IsGameStarted())) return; CSimulation2* sim = g_Game->GetSimulation2(); CmpPtr<ICmpRangeManager> cmpRangeManager(*sim, SYSTEM_ENTITY); ENSURE(cmpRangeManager); // Set our globals in case they hadn't been set before m_Camera = g_Game->GetView()->GetCamera(); m_Terrain = g_Game->GetWorld()->GetTerrain(); m_Width = (u32)(m_CachedActualSize.right - m_CachedActualSize.left); m_Height = (u32)(m_CachedActualSize.bottom - m_CachedActualSize.top); m_MapSize = m_Terrain->GetVerticesPerSide(); m_TextureSize = (GLsizei)round_up_to_pow2((size_t)m_MapSize); m_MapScale = (cmpRangeManager->GetLosCircular() ? 1.f : 1.414f); if (!m_TerrainTexture || g_GameRestarted) CreateTextures(); // only update 2x / second // (note: since units only move a few pixels per second on the minimap, // we can get away with infrequent updates; this is slow) // TODO: Update all but camera at same speed as simulation static double last_time; const double cur_time = timer_Time(); const bool doUpdate = cur_time - last_time > 0.5; if (doUpdate) { last_time = cur_time; if (m_TerrainDirty) RebuildTerrainTexture(); } const float x = m_CachedActualSize.left, y = m_CachedActualSize.bottom; const float x2 = m_CachedActualSize.right, y2 = m_CachedActualSize.top; const float z = GetBufferedZ(); const float texCoordMax = (float)(m_MapSize - 1) / (float)m_TextureSize; const float angle = GetAngle(); const float unitScale = (cmpRangeManager->GetLosCircular() ? 1.f : m_MapScale/2.f); // Disable depth updates to prevent apparent z-fighting-related issues // with some drivers causing units to get drawn behind the texture. glDepthMask(0); CShaderProgramPtr shader; CShaderTechniquePtr tech; CShaderDefines baseDefines; baseDefines.Add(str_MINIMAP_BASE, str_1); tech = g_Renderer.GetShaderManager().LoadEffect(str_minimap, g_Renderer.GetSystemShaderDefines(), baseDefines); tech->BeginPass(); shader = tech->GetShader(); // Draw the main textured quad shader->BindTexture(str_baseTex, m_TerrainTexture); const CMatrix3D baseTransform = GetDefaultGuiMatrix(); CMatrix3D baseTextureTransform; baseTextureTransform.SetIdentity(); shader->Uniform(str_transform, baseTransform); shader->Uniform(str_textureTransform, baseTextureTransform); DrawTexture(shader, texCoordMax, angle, x, y, x2, y2, z); // Draw territory boundaries glEnable(GL_BLEND); CTerritoryTexture& territoryTexture = g_Game->GetView()->GetTerritoryTexture(); shader->BindTexture(str_baseTex, territoryTexture.GetTexture()); const CMatrix3D* territoryTransform = territoryTexture.GetMinimapTextureMatrix(); shader->Uniform(str_transform, baseTransform); shader->Uniform(str_textureTransform, *territoryTransform); DrawTexture(shader, 1.0f, angle, x, y, x2, y2, z); tech->EndPass(); // Draw the LOS quad in black, using alpha values from the LOS texture CLOSTexture& losTexture = g_Game->GetView()->GetLOSTexture(); CShaderDefines losDefines; losDefines.Add(str_MINIMAP_LOS, str_1); tech = g_Renderer.GetShaderManager().LoadEffect(str_minimap, g_Renderer.GetSystemShaderDefines(), losDefines); tech->BeginPass(); shader = tech->GetShader(); shader->BindTexture(str_baseTex, losTexture.GetTexture()); glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); const CMatrix3D* losTransform = losTexture.GetMinimapTextureMatrix(); shader->Uniform(str_transform, baseTransform); shader->Uniform(str_textureTransform, *losTransform); DrawTexture(shader, 1.0f, angle, x, y, x2, y2, z); tech->EndPass(); glDisable(GL_BLEND); PROFILE_START("minimap units"); CShaderDefines pointDefines; pointDefines.Add(str_MINIMAP_POINT, str_1); tech = g_Renderer.GetShaderManager().LoadEffect(str_minimap, g_Renderer.GetSystemShaderDefines(), pointDefines); tech->BeginPass(); shader = tech->GetShader(); shader->Uniform(str_transform, baseTransform); shader->Uniform(str_pointSize, 3.f); CMatrix3D unitMatrix; unitMatrix.SetIdentity(); // Center the minimap on the origin of the axis of rotation. unitMatrix.Translate(-(x2 - x) / 2.f, -(y2 - y) / 2.f, 0.f); // Rotate the map. unitMatrix.RotateZ(angle); // Scale square maps to fit. unitMatrix.Scale(unitScale, unitScale, 1.f); // Move the minimap back to it's starting position. unitMatrix.Translate((x2 - x) / 2.f, (y2 - y) / 2.f, 0.f); // Move the minimap to it's final location. unitMatrix.Translate(x, y, z); // Apply the gui matrix. unitMatrix *= GetDefaultGuiMatrix(); // Load the transform into the shader. shader->Uniform(str_transform, unitMatrix); const float sx = (float)m_Width / ((m_MapSize - 1) * TERRAIN_TILE_SIZE); const float sy = (float)m_Height / ((m_MapSize - 1) * TERRAIN_TILE_SIZE); CSimulation2::InterfaceList ents = sim->GetEntitiesWithInterface(IID_Minimap); if (doUpdate) { VertexArrayIterator<float[2]> attrPos = m_AttributePos.GetIterator<float[2]>(); VertexArrayIterator<u8[4]> attrColor = m_AttributeColor.GetIterator<u8[4]>(); m_EntitiesDrawn = 0; MinimapUnitVertex v; std::vector<MinimapUnitVertex> pingingVertices; pingingVertices.reserve(MAX_ENTITIES_DRAWN / 2); if (cur_time > m_NextBlinkTime) { m_BlinkState = !m_BlinkState; m_NextBlinkTime = cur_time + m_HalfBlinkDuration; } entity_pos_t posX, posZ; for (CSimulation2::InterfaceList::const_iterator it = ents.begin(); it != ents.end(); ++it) { ICmpMinimap* cmpMinimap = static_cast<ICmpMinimap*>(it->second); if (cmpMinimap->GetRenderData(v.r, v.g, v.b, posX, posZ)) { ICmpRangeManager::ELosVisibility vis = cmpRangeManager->GetLosVisibility(it->first, g_Game->GetPlayerID()); if (vis != ICmpRangeManager::VIS_HIDDEN) { v.a = 255; v.x = posX.ToFloat() * sx; v.y = -posZ.ToFloat() * sy; // Check minimap pinging to indicate something if (m_BlinkState && cmpMinimap->CheckPing(cur_time, m_PingDuration)) { v.r = 255; // ping color is white v.g = 255; v.b = 255; pingingVertices.push_back(v); } else { addVertex(v, attrColor, attrPos); ++m_EntitiesDrawn; } } } } // Add the pinged vertices at the end, so they are drawn on top for (size_t v = 0; v < pingingVertices.size(); ++v) { addVertex(pingingVertices[v], attrColor, attrPos); ++m_EntitiesDrawn; } ENSURE(m_EntitiesDrawn < MAX_ENTITIES_DRAWN); m_VertexArray.Upload(); } m_VertexArray.PrepareForRendering(); if (m_EntitiesDrawn > 0) { #if !CONFIG2_GLES if (g_Renderer.GetRenderPath() == CRenderer::RP_SHADER) glEnable(GL_VERTEX_PROGRAM_POINT_SIZE); #endif u8* indexBase = m_IndexArray.Bind(); u8* base = m_VertexArray.Bind(); const GLsizei stride = (GLsizei)m_VertexArray.GetStride(); shader->VertexPointer(2, GL_FLOAT, stride, base + m_AttributePos.offset); shader->ColorPointer(4, GL_UNSIGNED_BYTE, stride, base + m_AttributeColor.offset); shader->AssertPointersBound(); if (!g_Renderer.m_SkipSubmit) glDrawElements(GL_POINTS, (GLsizei)(m_EntitiesDrawn), GL_UNSIGNED_SHORT, indexBase); g_Renderer.GetStats().m_DrawCalls++; CVertexBuffer::Unbind(); #if !CONFIG2_GLES if (g_Renderer.GetRenderPath() == CRenderer::RP_SHADER) glDisable(GL_VERTEX_PROGRAM_POINT_SIZE); #endif } tech->EndPass(); DrawViewRect(unitMatrix); PROFILE_END("minimap units"); // Reset depth mask glDepthMask(1); }