Index: ps/trunk/source/renderer/TerrainRenderer.cpp
===================================================================
--- ps/trunk/source/renderer/TerrainRenderer.cpp	(revision 25712)
+++ ps/trunk/source/renderer/TerrainRenderer.cpp	(revision 25713)
@@ -1,628 +1,629 @@
 /* Copyright (C) 2021 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation, either version 2 of the License, or
  * (at your option) any later version.
  *
  * 0 A.D. is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with 0 A.D.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 /*
  * Terrain rendering (everything related to patches and water) is
  * encapsulated in TerrainRenderer
  */
 
 #include "precompiled.h"
 
 #include "renderer/TerrainRenderer.h"
 
 #include "graphics/Camera.h"
 #include "graphics/Canvas2D.h"
 #include "graphics/Decal.h"
 #include "graphics/GameView.h"
 #include "graphics/LightEnv.h"
 #include "graphics/LOSTexture.h"
 #include "graphics/Patch.h"
 #include "graphics/Model.h"
 #include "graphics/ShaderManager.h"
 #include "graphics/TerritoryTexture.h"
 #include "graphics/TextRenderer.h"
 #include "maths/MathUtil.h"
 #include "ps/CLogger.h"
 #include "ps/CStrInternStatic.h"
 #include "ps/Filesystem.h"
 #include "ps/Game.h"
 #include "ps/Profile.h"
 #include "ps/World.h"
 #include "renderer/DecalRData.h"
 #include "renderer/PatchRData.h"
 #include "renderer/Renderer.h"
 #include "renderer/RenderingOptions.h"
 #include "renderer/ShadowMap.h"
 #include "renderer/SkyManager.h"
 #include "renderer/VertexArray.h"
 #include "renderer/WaterManager.h"
 
 namespace
 {
 
 CShaderProgramPtr GetDummyShader()
 {
 	const char* shaderName;
 	if (g_RenderingOptions.GetPreferGLSL())
 		shaderName = "glsl/dummy";
 	else
 		shaderName = "arb/dummy";
 	return g_Renderer.GetShaderManager().LoadProgram(shaderName, CShaderDefines());
 }
 
 } // anonymous namespace
 
 /**
  * TerrainRenderer keeps track of which phase it is in, to detect
  * when Submit, PrepareForRendering etc. are called in the wrong order.
  */
 enum Phase {
 	Phase_Submit,
 	Phase_Render
 };
 
 
 /**
  * Struct TerrainRendererInternals: Internal variables used by the TerrainRenderer class.
  */
 struct TerrainRendererInternals
 {
 	/// Which phase (submitting or rendering patches) are we in right now?
 	Phase phase;
 
 	/// Patches that were submitted for this frame
 	std::vector<CPatchRData*> visiblePatches[CRenderer::CULL_MAX];
 
 	/// Decals that were submitted for this frame
 	std::vector<CDecalRData*> visibleDecals[CRenderer::CULL_MAX];
 
 	/// Fancy water shader
 	CShaderProgramPtr fancyWaterShader;
 
 	CSimulation2* simulation;
 };
 
 
 
 ///////////////////////////////////////////////////////////////////
 // Construction/Destruction
 TerrainRenderer::TerrainRenderer()
 {
 	m = new TerrainRendererInternals();
 	m->phase = Phase_Submit;
 }
 
 TerrainRenderer::~TerrainRenderer()
 {
 	delete m;
 }
 
 void TerrainRenderer::SetSimulation(CSimulation2* simulation)
 {
 	m->simulation = simulation;
 }
 
 ///////////////////////////////////////////////////////////////////
 // Submit a patch for rendering
 void TerrainRenderer::Submit(int cullGroup, CPatch* patch)
 {
 	ENSURE(m->phase == Phase_Submit);
 
 	CPatchRData* data = (CPatchRData*)patch->GetRenderData();
 	if (data == 0)
 	{
 		// no renderdata for patch, create it now
 		data = new CPatchRData(patch, m->simulation);
 		patch->SetRenderData(data);
 	}
 	data->Update(m->simulation);
 
 	m->visiblePatches[cullGroup].push_back(data);
 }
 
 ///////////////////////////////////////////////////////////////////
 // Submit a decal for rendering
 void TerrainRenderer::Submit(int cullGroup, CModelDecal* decal)
 {
 	ENSURE(m->phase == Phase_Submit);
 
 	CDecalRData* data = (CDecalRData*)decal->GetRenderData();
 	if (data == 0)
 	{
 		// no renderdata for decal, create it now
 		data = new CDecalRData(decal, m->simulation);
 		decal->SetRenderData(data);
 	}
 	data->Update(m->simulation);
 
 	m->visibleDecals[cullGroup].push_back(data);
 }
 
 ///////////////////////////////////////////////////////////////////
 // Prepare for rendering
 void TerrainRenderer::PrepareForRendering()
 {
 	ENSURE(m->phase == Phase_Submit);
 
 	m->phase = Phase_Render;
 }
 
 ///////////////////////////////////////////////////////////////////
 // Clear submissions lists
 void TerrainRenderer::EndFrame()
 {
 	ENSURE(m->phase == Phase_Render || m->phase == Phase_Submit);
 
 	for (int i = 0; i < CRenderer::CULL_MAX; ++i)
 	{
 		m->visiblePatches[i].clear();
 		m->visibleDecals[i].clear();
 	}
 
 	m->phase = Phase_Submit;
 }
 
 void TerrainRenderer::RenderTerrainOverlayTexture(int cullGroup, CMatrix3D& textureMatrix, GLuint texture)
 {
 #if CONFIG2_GLES
 #warning TODO: implement TerrainRenderer::RenderTerrainOverlayTexture for GLES
 	UNUSED2(cullGroup);
 	UNUSED2(textureMatrix);
 	UNUSED2(texture);
 #else
 	ENSURE(m->phase == Phase_Render);
 
 	std::vector<CPatchRData*>& visiblePatches = m->visiblePatches[cullGroup];
 
 	glEnable(GL_TEXTURE_2D);
 	glEnable(GL_BLEND);
 	glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 	glDepthMask(0);
 	glDisable(GL_DEPTH_TEST);
 
 	CShaderTechniquePtr debugOverlayTech =
 		g_Renderer.GetShaderManager().LoadEffect(str_debug_overlay);
 	debugOverlayTech->BeginPass();
 	CShaderProgramPtr debugOverlayShader = debugOverlayTech->GetShader();
 
 	debugOverlayShader->Bind();
 	debugOverlayShader->BindTexture(str_baseTex, texture);
 	debugOverlayShader->Uniform(str_transform, g_Renderer.GetViewCamera().GetViewProjection());
 	debugOverlayShader->Uniform(str_textureTransform, textureMatrix);
 	CPatchRData::RenderStreams(visiblePatches, debugOverlayShader, STREAM_POS | STREAM_POSTOUV0);
 
 	glEnable(GL_DEPTH_TEST);
 
 	// To make the overlay visible over water, render an additional map-sized
 	// water-height patch.
 	CBoundingBoxAligned waterBounds;
 	for (CPatchRData* data : visiblePatches)
 		waterBounds += data->GetWaterBounds();
 	if (!waterBounds.IsEmpty())
 	{
 		// Add a delta to avoid z-fighting.
 		const float height = g_Renderer.GetWaterManager()->m_WaterHeight + 0.05f;
 		const float waterPos[] = {
 			waterBounds[0].X, height, waterBounds[0].Z,
 			waterBounds[1].X, height, waterBounds[0].Z,
 			waterBounds[0].X, height, waterBounds[1].Z,
 			waterBounds[1].X, height, waterBounds[1].Z
 		};
 
 		const GLsizei stride = sizeof(float) * 3;
 		debugOverlayShader->VertexPointer(3, GL_FLOAT, stride, waterPos);
 		debugOverlayShader->TexCoordPointer(GL_TEXTURE0, 3, GL_FLOAT, stride, waterPos);
 		debugOverlayShader->AssertPointersBound();
 
 		glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
 	}
 
 	debugOverlayShader->Unbind();
 	debugOverlayTech->EndPass();
 
 	glDepthMask(1);
 	glDisable(GL_BLEND);
 #endif
 }
 
 
 ///////////////////////////////////////////////////////////////////
 
 /**
  * Set up all the uniforms for a shader pass.
  */
 void TerrainRenderer::PrepareShader(const CShaderProgramPtr& shader, ShadowMap* shadow)
 {
 	shader->Uniform(str_transform, g_Renderer.GetViewCamera().GetViewProjection());
 	shader->Uniform(str_cameraPos, g_Renderer.GetViewCamera().GetOrientation().GetTranslation());
 
 	const CLightEnv& lightEnv = g_Renderer.GetLightEnv();
 
 	if (shadow)
 		shadow->BindTo(shader);
 
 	CLOSTexture& los = g_Renderer.GetScene().GetLOSTexture();
 	shader->BindTexture(str_losTex, los.GetTextureSmooth());
 	shader->Uniform(str_losTransform, los.GetTextureMatrix()[0], los.GetTextureMatrix()[12], 0.f, 0.f);
 
 	shader->Uniform(str_ambient, lightEnv.m_AmbientColor);
 	shader->Uniform(str_sunColor, lightEnv.m_SunColor);
 	shader->Uniform(str_sunDir, lightEnv.GetSunDir());
 
 	shader->Uniform(str_fogColor, lightEnv.m_FogColor);
 	shader->Uniform(str_fogParams, lightEnv.m_FogFactor, lightEnv.m_FogMax, 0.f, 0.f);
 }
 
 void TerrainRenderer::RenderTerrainShader(const CShaderDefines& context, int cullGroup, ShadowMap* shadow)
 {
 	ENSURE(m->phase == Phase_Render);
 
 	std::vector<CPatchRData*>& visiblePatches = m->visiblePatches[cullGroup];
 	std::vector<CDecalRData*>& visibleDecals = m->visibleDecals[cullGroup];
 	if (visiblePatches.empty() && visibleDecals.empty())
 		return;
 
 	// render the solid black sides of the map first
 	CShaderTechniquePtr techSolid = g_Renderer.GetShaderManager().LoadEffect(str_solid);
 	techSolid->BeginPass();
 	CShaderProgramPtr shaderSolid = techSolid->GetShader();
 	shaderSolid->Uniform(str_transform, g_Renderer.GetViewCamera().GetViewProjection());
 	shaderSolid->Uniform(str_color, 0.0f, 0.0f, 0.0f, 1.0f);
 
 	CPatchRData::RenderSides(visiblePatches, shaderSolid);
 
 	techSolid->EndPass();
 
 	CPatchRData::RenderBases(visiblePatches, context, shadow);
 
 	// no need to write to the depth buffer a second time
 	glDepthMask(0);
 
 	// render blend passes for each patch
 	CPatchRData::RenderBlends(visiblePatches, context, shadow);
 
 	CDecalRData::RenderDecals(visibleDecals, context, shadow);
 
 	// restore OpenGL state
 	g_Renderer.BindTexture(1, 0);
 	g_Renderer.BindTexture(2, 0);
 	g_Renderer.BindTexture(3, 0);
 
 	glDepthMask(1);
 	glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 	glDisable(GL_BLEND);
 }
 
 
 ///////////////////////////////////////////////////////////////////
 // Render un-textured patches as polygons
 void TerrainRenderer::RenderPatches(int cullGroup, const CColor& color)
 {
 	ENSURE(m->phase == Phase_Render);
 
 	std::vector<CPatchRData*>& visiblePatches = m->visiblePatches[cullGroup];
 	if (visiblePatches.empty())
 		return;
 
 #if CONFIG2_GLES
 #warning TODO: implement TerrainRenderer::RenderPatches for GLES
 #else
 	CShaderProgramPtr dummyShader = GetDummyShader();
 	dummyShader->Bind();
 	dummyShader->Uniform(str_transform, g_Renderer.GetViewCamera().GetViewProjection());
 	dummyShader->Uniform(str_color, color);
 
 	CPatchRData::RenderStreams(visiblePatches, dummyShader, STREAM_POS);
 
 	dummyShader->Unbind();
 #endif
 }
 
 
 ///////////////////////////////////////////////////////////////////
 // Render outlines of submitted patches as lines
 void TerrainRenderer::RenderOutlines(int cullGroup)
 {
 	ENSURE(m->phase == Phase_Render);
 
 	std::vector<CPatchRData*>& visiblePatches = m->visiblePatches[cullGroup];
 	if (visiblePatches.empty())
 		return;
 
 	for (size_t i = 0; i < visiblePatches.size(); ++i)
 		visiblePatches[i]->RenderOutline();
 }
 
 
 ///////////////////////////////////////////////////////////////////
 // Scissor rectangle of water patches
 CBoundingBoxAligned TerrainRenderer::ScissorWater(int cullGroup, const CCamera& camera)
 {
 	CBoundingBoxAligned scissor;
 	for (const CPatchRData* data : m->visiblePatches[cullGroup])
 	{
 		const CBoundingBoxAligned& waterBounds = data->GetWaterBounds();
 		if (waterBounds.IsEmpty())
 			continue;
 
 		const CBoundingBoxAligned waterBoundsInViewPort =
 			camera.GetBoundsInViewPort(waterBounds);
 		if (!waterBoundsInViewPort.IsEmpty())
 			scissor += waterBoundsInViewPort;
 	}
 	return CBoundingBoxAligned(
 		CVector3D(Clamp(scissor[0].X, -1.0f, 1.0f), Clamp(scissor[0].Y, -1.0f, 1.0f), -1.0f),
 		CVector3D(Clamp(scissor[1].X, -1.0f, 1.0f), Clamp(scissor[1].Y, -1.0f, 1.0f), 1.0f));
 }
 
 // Render fancy water
 bool TerrainRenderer::RenderFancyWater(const CShaderDefines& context, int cullGroup, ShadowMap* shadow)
 {
 	PROFILE3_GPU("fancy water");
 
 	WaterManager* WaterMgr = g_Renderer.GetWaterManager();
 	CShaderDefines defines = context;
 
 	// If we're using fancy water, make sure its shader is loaded
 	if (!m->fancyWaterShader || WaterMgr->m_NeedsReloading)
 	{
 		if (WaterMgr->m_WaterRealDepth)
 			defines.Add(str_USE_REAL_DEPTH, str_1);
 		if (WaterMgr->m_WaterFancyEffects)
 			defines.Add(str_USE_FANCY_EFFECTS, str_1);
 		if (WaterMgr->m_WaterRefraction)
 			defines.Add(str_USE_REFRACTION, str_1);
 		if (WaterMgr->m_WaterReflection)
 			defines.Add(str_USE_REFLECTION, str_1);
 
 		// haven't updated the ARB shader yet so I'll always load the GLSL
 		/*if (!g_RenderingOptions.GetPreferGLSL() && !superFancy)
 			m->fancyWaterShader = g_Renderer.GetShaderManager().LoadProgram("arb/water_high", defines);
 		else*/
 			m->fancyWaterShader = g_Renderer.GetShaderManager().LoadProgram("glsl/water_high", defines);
 
 		if (!m->fancyWaterShader)
 		{
 			LOGERROR("Failed to load water shader. Falling back to fixed pipeline water.\n");
 			WaterMgr->m_RenderWater = false;
 			return false;
 		}
 		WaterMgr->m_NeedsReloading = false;
 	}
 
 	CLOSTexture& losTexture = g_Renderer.GetScene().GetLOSTexture();
 
 	// Calculating the advanced informations about Foam and all if the quality calls for it.
 	/*if (WaterMgr->m_NeedInfoUpdate && (WaterMgr->m_WaterFoam || WaterMgr->m_WaterCoastalWaves))
 	{
 		WaterMgr->m_NeedInfoUpdate = false;
 		WaterMgr->CreateSuperfancyInfo();
 	}*/
 
 	double time = WaterMgr->m_WaterTexTimer;
 	double period = 8;
 	int curTex = (int)(time*60/period) % 60;
 	int nexTex = (curTex + 1) % 60;
 
 	float repeatPeriod = WaterMgr->m_RepeatPeriod;
 
 	// Render normals and foam to a framebuffer if we're in fancy effects
 	if (WaterMgr->m_WaterFancyEffects)
 	{
 		// Save the post-processing framebuffer.
 		GLint fbo;
 		glGetIntegerv(GL_FRAMEBUFFER_BINDING_EXT, &fbo);
 
 		pglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, WaterMgr->m_FancyEffectsFBO);
 
 		glDisable(GL_BLEND);
 		glEnable(GL_DEPTH_TEST);
 		glDepthFunc(GL_LEQUAL);
 
 		glDisable(GL_CULL_FACE);
 		// Overwrite waves that would be behind the ground.
-		CShaderProgramPtr dummyShader = g_Renderer.GetShaderManager().LoadProgram("glsl/gui_solid", CShaderDefines());
-		dummyShader->Bind();
+		CShaderTechniquePtr dummyTech = g_Renderer.GetShaderManager().LoadEffect(str_solid);
+		dummyTech->BeginPass();
+		CShaderProgramPtr dummyShader = dummyTech->GetShader();
 
 		dummyShader->Uniform(str_transform, g_Renderer.GetViewCamera().GetViewProjection());
 		dummyShader->Uniform(str_color, 0.0f, 0.0f, 0.0f, 0.0f);
 		std::vector<CPatchRData*>& visiblePatches = m->visiblePatches[cullGroup];
 		for (size_t i = 0; i < visiblePatches.size(); ++i)
 		{
 			CPatchRData* data = visiblePatches[i];
 			data->RenderWater(dummyShader, true, true);
 		}
-		dummyShader->Unbind();
+		dummyTech->EndPass();
 
 		glEnable(GL_CULL_FACE);
 		pglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, fbo);
 	}
 	glEnable(GL_BLEND);
 	glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 	glEnable(GL_DEPTH_TEST);
 	glDepthFunc(GL_LEQUAL);
 
 	m->fancyWaterShader->Bind();
 
 	const CCamera& camera = g_Renderer.GetViewCamera();
 
 	m->fancyWaterShader->BindTexture(str_normalMap, WaterMgr->m_NormalMap[curTex]);
 	m->fancyWaterShader->BindTexture(str_normalMap2, WaterMgr->m_NormalMap[nexTex]);
 
 	if (WaterMgr->m_WaterFancyEffects)
 	{
 		m->fancyWaterShader->BindTexture(str_waterEffectsTex, WaterMgr->m_FancyTexture);
 	}
 
 	if (WaterMgr->m_WaterRefraction && WaterMgr->m_WaterRealDepth)
 	{
 		m->fancyWaterShader->BindTexture(str_depthTex, WaterMgr->m_RefrFboDepthTexture);
 		m->fancyWaterShader->Uniform(str_projInvTransform, WaterMgr->m_RefractionProjInvMatrix);
 		m->fancyWaterShader->Uniform(str_viewInvTransform, WaterMgr->m_RefractionViewInvMatrix);
 	}
 
 	if (WaterMgr->m_WaterRefraction)
 		m->fancyWaterShader->BindTexture(str_refractionMap, WaterMgr->m_RefractionTexture);
 	if (WaterMgr->m_WaterReflection)
 		m->fancyWaterShader->BindTexture(str_reflectionMap, WaterMgr->m_ReflectionTexture);
 	m->fancyWaterShader->BindTexture(str_losTex, losTexture.GetTextureSmooth());
 
 	const CLightEnv& lightEnv = g_Renderer.GetLightEnv();
 
 	m->fancyWaterShader->Uniform(str_transform, g_Renderer.GetViewCamera().GetViewProjection());
 
 	m->fancyWaterShader->BindTexture(str_skyCube, g_Renderer.GetSkyManager()->GetSkyCube());
 	// TODO: check that this rotates in the right direction.
 	CMatrix3D skyBoxRotation;
 	skyBoxRotation.SetIdentity();
 	skyBoxRotation.RotateY(M_PI + lightEnv.GetRotation());
 	m->fancyWaterShader->Uniform(str_skyBoxRot, skyBoxRotation);
 
 	if (WaterMgr->m_WaterRefraction)
 		m->fancyWaterShader->Uniform(str_refractionMatrix, WaterMgr->m_RefractionMatrix);
 	if (WaterMgr->m_WaterReflection)
 		m->fancyWaterShader->Uniform(str_reflectionMatrix, WaterMgr->m_ReflectionMatrix);
 
 	m->fancyWaterShader->Uniform(str_ambient, lightEnv.m_AmbientColor);
 	m->fancyWaterShader->Uniform(str_sunDir, lightEnv.GetSunDir());
 	m->fancyWaterShader->Uniform(str_sunColor, lightEnv.m_SunColor);
 	m->fancyWaterShader->Uniform(str_color, WaterMgr->m_WaterColor);
 	m->fancyWaterShader->Uniform(str_tint, WaterMgr->m_WaterTint);
 	m->fancyWaterShader->Uniform(str_waviness, WaterMgr->m_Waviness);
 	m->fancyWaterShader->Uniform(str_murkiness, WaterMgr->m_Murkiness);
 	m->fancyWaterShader->Uniform(str_windAngle, WaterMgr->m_WindAngle);
 	m->fancyWaterShader->Uniform(str_repeatScale, 1.0f / repeatPeriod);
 	m->fancyWaterShader->Uniform(str_losTransform, losTexture.GetTextureMatrix()[0], losTexture.GetTextureMatrix()[12], 0.f, 0.f);
 
 	m->fancyWaterShader->Uniform(str_cameraPos, camera.GetOrientation().GetTranslation());
 
 	m->fancyWaterShader->Uniform(str_fogColor, lightEnv.m_FogColor);
 	m->fancyWaterShader->Uniform(str_fogParams, lightEnv.m_FogFactor, lightEnv.m_FogMax, 0.f, 0.f);
 	m->fancyWaterShader->Uniform(str_time, (float)time);
 	m->fancyWaterShader->Uniform(str_screenSize, (float)g_Renderer.GetWidth(), (float)g_Renderer.GetHeight(), 0.0f, 0.0f);
 
 	if (WaterMgr->m_WaterType == L"clap")
 	{
 		m->fancyWaterShader->Uniform(str_waveParams1, 30.0f,1.5f,20.0f,0.03f);
 		m->fancyWaterShader->Uniform(str_waveParams2, 0.5f,0.0f,0.0f,0.0f);
 	}
 	else if (WaterMgr->m_WaterType == L"lake")
 	{
 		m->fancyWaterShader->Uniform(str_waveParams1, 8.5f,1.5f,15.0f,0.03f);
 		m->fancyWaterShader->Uniform(str_waveParams2, 0.2f,0.0f,0.0f,0.07f);
 	}
 	else
 	{
 		m->fancyWaterShader->Uniform(str_waveParams1, 15.0f,0.8f,10.0f,0.1f);
 		m->fancyWaterShader->Uniform(str_waveParams2, 0.3f,0.0f,0.1f,0.3f);
 	}
 
 	if (shadow)
 		shadow->BindTo(m->fancyWaterShader);
 
 	std::vector<CPatchRData*>& visiblePatches = m->visiblePatches[cullGroup];
 	for (size_t i = 0; i < visiblePatches.size(); ++i)
 	{
 		CPatchRData* data = visiblePatches[i];
 		data->RenderWater(m->fancyWaterShader);
 	}
 	m->fancyWaterShader->Unbind();
 
 	glDepthFunc(GL_LEQUAL);
 	glDisable(GL_BLEND);
 
 	return true;
 }
 
 void TerrainRenderer::RenderSimpleWater(int cullGroup)
 {
 #if CONFIG2_GLES
 	UNUSED2(cullGroup);
 #else
 	PROFILE3_GPU("simple water");
 
 	WaterManager* WaterMgr = g_Renderer.GetWaterManager();
 	CLOSTexture& losTexture = g_Game->GetView()->GetLOSTexture();
 
 	glEnable(GL_DEPTH_TEST);
 	glDepthFunc(GL_LEQUAL);
 
 	double time = WaterMgr->m_WaterTexTimer;
 	double period = 1.6f;
 	int curTex = (int)(time*60/period) % 60;
 
 	CShaderTechniquePtr waterSimpleTech =
 		g_Renderer.GetShaderManager().LoadEffect(str_water_simple);
 	waterSimpleTech->BeginPass();
 	CShaderProgramPtr waterSimpleShader = waterSimpleTech->GetShader();
 
 	waterSimpleShader->Bind();
 	waterSimpleShader->BindTexture(str_baseTex, WaterMgr->m_WaterTexture[curTex]);
 	waterSimpleShader->BindTexture(str_losTex, losTexture.GetTextureSmooth());
 	waterSimpleShader->Uniform(str_transform, g_Renderer.GetViewCamera().GetViewProjection());
 	waterSimpleShader->Uniform(str_losTransform, losTexture.GetTextureMatrix()[0], losTexture.GetTextureMatrix()[12], 0.f, 0.f);
 	waterSimpleShader->Uniform(str_time, static_cast<float>(time));
 	waterSimpleShader->Uniform(str_color, WaterMgr->m_WaterColor);
 
 	std::vector<CPatchRData*>& visiblePatches = m->visiblePatches[cullGroup];
 	for (size_t i = 0; i < visiblePatches.size(); ++i)
 	{
 		CPatchRData* data = visiblePatches[i];
 		data->RenderWater(waterSimpleShader, false, true);
 	}
 
 	waterSimpleShader->Unbind();
 	g_Renderer.BindTexture(1, 0);
 
 	pglActiveTextureARB(GL_TEXTURE0_ARB);
 	glDisable(GL_TEXTURE_2D);
 
 	waterSimpleTech->EndPass();
 #endif
 }
 
 ///////////////////////////////////////////////////////////////////
 // Render water that is part of the terrain
 void TerrainRenderer::RenderWater(const CShaderDefines& context, int cullGroup, ShadowMap* shadow)
 {
 	WaterManager* WaterMgr = g_Renderer.GetWaterManager();
 
 	WaterMgr->UpdateQuality();
 
 	if (!WaterMgr->WillRenderFancyWater())
 		RenderSimpleWater(cullGroup);
 	else
 		RenderFancyWater(context, cullGroup, shadow);
 }
 
 void TerrainRenderer::RenderPriorities(int cullGroup)
 {
 	PROFILE("priorities");
 
 	ENSURE(m->phase == Phase_Render);
 
 	CCanvas2D canvas;
 	CTextRenderer textRenderer;
 	textRenderer.SetCurrentFont(CStrIntern("mono-stroke-10"));
 	textRenderer.SetCurrentColor(CColor(1.0f, 1.0f, 0.0f, 1.0f));
 
 	std::vector<CPatchRData*>& visiblePatches = m->visiblePatches[cullGroup];
 	for (size_t i = 0; i < visiblePatches.size(); ++i)
 		visiblePatches[i]->RenderPriorities(textRenderer);
 
 	canvas.DrawText(textRenderer);
 }