CLOSTexture::CLOSTexture(CSimulation2& simulation) :
m_Simulation(simulation), m_Dirty(true), m_Texture(0), m_smoothFbo(0), m_MapSize(0), m_TextureSize(0), whichTex(true)
{
if (CRenderer::IsInitialised() && g_Renderer.m_Options.m_SmoothLOS)
{
m_smoothShader = g_Renderer.GetShaderManager().LoadEffect("los_interp");
CShaderProgramPtr shader = m_smoothShader->GetShader();
if (m_smoothShader && shader)
{
pglGenFramebuffersEXT(1, &m_smoothFbo);
}
else
{
LOGERROR(L"Failed to load SmoothLOS shader, disabling.");
g_Renderer.m_Options.m_SmoothLOS = false;
}
}
}
//////////////////////////////////////////////////////////////////////////
// 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;
}
//////////////////////////////////////////////////////////////////////////
// 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;
}
}
void CPostprocManager::RecreateBuffers()
{
Cleanup();
m_Width = g_Renderer.GetWidth();
m_Height = g_Renderer.GetHeight();
#define GEN_BUFFER_RGBA(name, w, h) \
glGenTextures(1, (GLuint*)&name); \
glBindTexture(GL_TEXTURE_2D, name); \
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 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_TO_EDGE); \
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
// Two fullscreen ping-pong textures.
GEN_BUFFER_RGBA(m_ColourTex1, m_Width, m_Height);
GEN_BUFFER_RGBA(m_ColourTex2, m_Width, m_Height);
// Textures for several blur sizes. It would be possible to reuse
// m_BlurTex2b, thus avoiding the need for m_BlurTex4b and m_BlurTex8b, though given
// that these are fairly small it's probably not worth complicating the coordinates passed
// to the blur helper functions.
GEN_BUFFER_RGBA(m_BlurTex2a, m_Width / 2, m_Height / 2);
GEN_BUFFER_RGBA(m_BlurTex2b, m_Width / 2, m_Height / 2);
GEN_BUFFER_RGBA(m_BlurTex4a, m_Width / 4, m_Height / 4);
GEN_BUFFER_RGBA(m_BlurTex4b, m_Width / 4, m_Height / 4);
GEN_BUFFER_RGBA(m_BlurTex8a, m_Width / 8, m_Height / 8);
GEN_BUFFER_RGBA(m_BlurTex8b, m_Width / 8, m_Height / 8);
#undef GEN_BUFFER_RGBA
// Allocate the Depth/Stencil texture.
glGenTextures(1, (GLuint*)&m_DepthTex);
glBindTexture(GL_TEXTURE_2D, m_DepthTex);
glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH24_STENCIL8_EXT, m_Width, m_Height,
0, GL_DEPTH_STENCIL_EXT, GL_UNSIGNED_INT_24_8_EXT, 0);
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_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glBindTexture(GL_TEXTURE_2D, 0);
// Set up the framebuffers with some initial textures.
pglGenFramebuffersEXT(1, &m_PingFbo);
pglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, m_PingFbo);
pglFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_2D, m_ColourTex1, 0);
pglFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_STENCIL_ATTACHMENT, GL_TEXTURE_2D, m_DepthTex, 0);
GLenum status = pglCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
if (status != GL_FRAMEBUFFER_COMPLETE_EXT)
{
LOGWARNING(L"Framebuffer object incomplete (A): 0x%04X", status);
}
pglGenFramebuffersEXT(1, &m_PongFbo);
pglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, m_PongFbo);
pglFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_2D, m_ColourTex2, 0);
pglFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_STENCIL_ATTACHMENT, GL_TEXTURE_2D, m_DepthTex, 0);
status = pglCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
if (status != GL_FRAMEBUFFER_COMPLETE_EXT)
{
LOGWARNING(L"Framebuffer object incomplete (B): 0x%04X", status);
}
pglGenFramebuffersEXT(1, &m_BloomFbo);
pglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, m_BloomFbo);
/*pglFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_2D, m_BloomTex1, 0);
status = pglCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
if (status != GL_FRAMEBUFFER_COMPLETE_EXT)
{
LOGWARNING(L"Framebuffer object incomplete (B): 0x%04X", status);
}*/
pglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
}
// Render fancy water
bool TerrainRenderer::RenderFancyWater(const CShaderDefines& context, ShadowMap* shadow)
{
PROFILE3_GPU("fancy water");
WaterManager* WaterMgr = g_Renderer.GetWaterManager();
CShaderDefines defines = context;
WaterMgr->UpdateQuality();
// If we're using fancy water, make sure its shader is loaded
if (!m->fancyWaterShader || WaterMgr->m_NeedsReloading)
{
if (WaterMgr->m_WaterNormal)
defines.Add(str_USE_NORMALS, str_1);
if (WaterMgr->m_WaterRealDepth)
defines.Add(str_USE_REAL_DEPTH, str_1);
if (WaterMgr->m_WaterFoam)
defines.Add(str_USE_FOAM, str_1);
if (WaterMgr->m_WaterCoastalWaves && false)
defines.Add(str_USE_WAVES, str_1);
if (WaterMgr->m_WaterRefraction)
defines.Add(str_USE_REFRACTION, str_1);
if (WaterMgr->m_WaterReflection)
defines.Add(str_USE_REFLECTION, str_1);
if (shadow && WaterMgr->m_WaterShadows)
defines.Add(str_USE_SHADOWS, str_1);
m->wavesShader = g_Renderer.GetShaderManager().LoadProgram("glsl/waves", defines);
if (!m->wavesShader)
{
LOGERROR(L"Failed to load waves shader. Deactivating waves.\n");
g_Renderer.SetOptionBool(CRenderer::OPT_WATERCOASTALWAVES, false);
defines.Add(str_USE_WAVES, str_0);
}
// haven't updated the ARB shader yet so I'll always load the GLSL
/*if (!g_Renderer.m_Options.m_PreferGLSL && !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(L"Failed to load water shader. Falling back to non-fancy water.\n");
WaterMgr->m_RenderWater = false;
return false;
}
WaterMgr->m_NeedsReloading = false;
}
CLOSTexture& losTexture = g_Renderer.GetScene().GetLOSTexture();
GLuint depthTex;
// creating the real depth texture using the depth buffer.
if (WaterMgr->m_WaterRealDepth)
{
if (WaterMgr->m_depthTT == 0)
{
glGenTextures(1, (GLuint*)&depthTex);
WaterMgr->m_depthTT = depthTex;
glBindTexture(GL_TEXTURE_2D, WaterMgr->m_depthTT);
#if CONFIG2_GLES
GLenum format = GL_DEPTH_COMPONENT;
#else
GLenum format = GL_DEPTH_COMPONENT32;
#endif
// TODO: use POT texture
glTexImage2D(GL_TEXTURE_2D, 0, format, g_Renderer.GetWidth(), g_Renderer.GetHeight(),
0, GL_DEPTH_COMPONENT, GL_UNSIGNED_BYTE,NULL);
}
glBindTexture(GL_TEXTURE_2D, WaterMgr->m_depthTT);
#if !CONFIG2_GLES
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE, GL_NONE);
#endif
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);
glCopyTexImage2D(GL_TEXTURE_2D,0,GL_DEPTH_COMPONENT, 0, 0, g_Renderer.GetWidth(), g_Renderer.GetHeight(), 0);
glBindTexture(GL_TEXTURE_2D, 0);
}
// 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();
}*/
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LEQUAL);
double time = WaterMgr->m_WaterTexTimer;
double period = 8;
int curTex = (int)(time*60/period) % 60;
int nexTex = (curTex + 1) % 60;
GLuint FramebufferName = 0;
// rendering waves to a framebuffer
// TODO: reactivate this with something that looks good.
if (false && WaterMgr->m_WaterCoastalWaves && WaterMgr->m_VBWaves && !g_AtlasGameLoop->running)
{
// Save the post-processing framebuffer.
GLint fbo;
glGetIntegerv(GL_FRAMEBUFFER_BINDING_EXT, &fbo);
pglGenFramebuffersEXT(1, &FramebufferName);
pglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, FramebufferName);
GLuint renderedTexture;
if (WaterMgr->m_waveTT == 0)
{
glGenTextures(1, &renderedTexture);
WaterMgr->m_waveTT = renderedTexture;
glBindTexture(GL_TEXTURE_2D, WaterMgr->m_waveTT);
// TODO: use POT texture
glTexImage2D(GL_TEXTURE_2D, 0,GL_RGBA, (float)g_Renderer.GetWidth(), (float)g_Renderer.GetHeight(), 0,GL_RGBA, GL_UNSIGNED_BYTE, 0);
}
glBindTexture(GL_TEXTURE_2D, WaterMgr->m_waveTT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
pglFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_2D, WaterMgr->m_waveTT, 0);
glClearColor(0.5f,0.5f,1.0f,0.0f);
glClear(GL_COLOR_BUFFER_BIT);
// rendering
m->wavesShader->Bind();
m->wavesShader->BindTexture(str_waveTex, WaterMgr->m_Wave);
m->wavesShader->Uniform(str_time, (float)time);
m->wavesShader->Uniform(str_waviness, WaterMgr->m_Waviness);
m->wavesShader->Uniform(str_mapSize, (float)(WaterMgr->m_TexSize));
SWavesVertex *base=(SWavesVertex *)WaterMgr->m_VBWaves->m_Owner->Bind();
GLsizei stride = sizeof(SWavesVertex);
m->wavesShader->VertexPointer(3, GL_FLOAT, stride, &base[WaterMgr->m_VBWaves->m_Index].m_Position);
m->wavesShader->TexCoordPointer(GL_TEXTURE0,2,GL_BYTE, stride,&base[WaterMgr->m_VBWaves->m_Index].m_UV);
m->wavesShader->AssertPointersBound();
u8* indexBase = WaterMgr->m_VBWavesIndices->m_Owner->Bind();
glDrawElements(GL_TRIANGLES, (GLsizei) WaterMgr->m_VBWavesIndices->m_Count, GL_UNSIGNED_SHORT, indexBase + sizeof(u16)*(WaterMgr->m_VBWavesIndices->m_Index));
g_Renderer.m_Stats.m_DrawCalls++;
CVertexBuffer::Unbind();
m->wavesShader->Unbind();
// rebind post-processing frambuffer.
pglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, fbo);
glBindTexture(GL_TEXTURE_2D, 0);
}
m->fancyWaterShader->Bind();
// Shift the texture coordinates by these amounts to make the water "flow"
float tx = -fmod(time, 81.0 / (WaterMgr->m_Waviness/20.0 + 0.8) )/(81.0/ (WaterMgr->m_Waviness/20.0 + 0.8) );
float ty = -fmod(time, 34.0 / (WaterMgr->m_Waviness/20.0 + 0.8) )/(34.0/ (WaterMgr->m_Waviness/20.0 + 0.8) );
float repeatPeriod = WaterMgr->m_RepeatPeriod;
const CCamera& camera = g_Renderer.GetViewCamera();
CVector3D camPos = camera.m_Orientation.GetTranslation();
m->fancyWaterShader->BindTexture(str_normalMap, WaterMgr->m_NormalMap[curTex]);
m->fancyWaterShader->BindTexture(str_normalMap2, WaterMgr->m_NormalMap[nexTex]);
if (WaterMgr->m_WaterFoam || WaterMgr->m_WaterCoastalWaves)
{
m->fancyWaterShader->BindTexture(str_Foam, WaterMgr->m_Foam);
m->fancyWaterShader->Uniform(str_mapSize, (float)(WaterMgr->m_TexSize));
}
if (WaterMgr->m_WaterRealDepth)
m->fancyWaterShader->BindTexture(str_depthTex, WaterMgr->m_depthTT);
if (WaterMgr->m_WaterCoastalWaves)
m->fancyWaterShader->BindTexture(str_waveTex, WaterMgr->m_waveTT);
if (WaterMgr->m_WaterReflection)
m->fancyWaterShader->BindTexture(str_reflectionMap, WaterMgr->m_ReflectionTexture);
if (WaterMgr->m_WaterRefraction)
m->fancyWaterShader->BindTexture(str_refractionMap, WaterMgr->m_RefractionTexture);
m->fancyWaterShader->BindTexture(str_losMap, losTexture.GetTextureSmooth());
const CLightEnv& lightEnv = g_Renderer.GetLightEnv();
// TODO: only bind what's really needed for that.
m->fancyWaterShader->Uniform(str_sunDir, lightEnv.GetSunDir());
m->fancyWaterShader->Uniform(str_sunColor, lightEnv.m_SunColor.X);
m->fancyWaterShader->Uniform(str_color, WaterMgr->m_WaterColor);
m->fancyWaterShader->Uniform(str_specularStrength, WaterMgr->m_SpecularStrength);
m->fancyWaterShader->Uniform(str_waviness, WaterMgr->m_Waviness);
m->fancyWaterShader->Uniform(str_murkiness, WaterMgr->m_Murkiness);
m->fancyWaterShader->Uniform(str_tint, WaterMgr->m_WaterTint);
m->fancyWaterShader->Uniform(str_reflectionTintStrength, WaterMgr->m_ReflectionTintStrength);
m->fancyWaterShader->Uniform(str_reflectionTint, WaterMgr->m_ReflectionTint);
m->fancyWaterShader->Uniform(str_translation, tx, ty);
m->fancyWaterShader->Uniform(str_repeatScale, 1.0f / repeatPeriod);
m->fancyWaterShader->Uniform(str_reflectionMatrix, WaterMgr->m_ReflectionMatrix);
m->fancyWaterShader->Uniform(str_refractionMatrix, WaterMgr->m_RefractionMatrix);
m->fancyWaterShader->Uniform(str_losMatrix, losTexture.GetTextureMatrix());
m->fancyWaterShader->Uniform(str_cameraPos, camPos);
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);
m->fancyWaterShader->BindTexture(str_skyCube, g_Renderer.GetSkyManager()->GetSkyCube());
if (shadow && WaterMgr->m_WaterShadows)
{
m->fancyWaterShader->BindTexture(str_shadowTex, shadow->GetTexture());
m->fancyWaterShader->Uniform(str_shadowTransform, shadow->GetTextureMatrix());
int width = shadow->GetWidth();
int height = shadow->GetHeight();
m->fancyWaterShader->Uniform(str_shadowScale, width, height, 1.0f / width, 1.0f / height);
}
for (size_t i = 0; i < m->visiblePatches.size(); ++i)
{
CPatchRData* data = m->visiblePatches[i];
data->RenderWater(m->fancyWaterShader);
}
m->fancyWaterShader->Unbind();
pglActiveTextureARB(GL_TEXTURE0);
pglDeleteFramebuffersEXT(1, &FramebufferName);
glDisable(GL_BLEND);
return true;
}