// 建立渲染窗口
/////////////////////////////////////////////////////////////////////////////////
void OGLESRenderEngine::DoCreateRenderWindow(std::string const & name,
RenderSettings const & settings)
{
motion_frames_ = settings.motion_frames;
FrameBufferPtr win = MakeSharedPtr<OGLESRenderWindow>(name, settings);
this->FillRenderDeviceCaps();
this->InitRenderStates();
win->Attach(FrameBuffer::ATT_Color0,
MakeSharedPtr<OGLESScreenColorRenderView>(win->Width(), win->Height(), settings.color_fmt));
if (NumDepthBits(settings.depth_stencil_fmt) > 0)
{
win->Attach(FrameBuffer::ATT_DepthStencil,
MakeSharedPtr<OGLESScreenDepthStencilRenderView>(win->Width(), win->Height(), settings.depth_stencil_fmt));
}
this->BindFrameBuffer(win);
glGenFramebuffers(1, &fbo_blit_src_);
glGenFramebuffers(1, &fbo_blit_dst_);
}
void MultiResLayer::BindBuffers(TexturePtr const & rt0_tex, TexturePtr const & rt1_tex, TexturePtr const & depth_tex,
TexturePtr const & multi_res_tex)
{
UNREF_PARAM(rt1_tex);
RenderFactory& rf = Context::Instance().RenderFactoryInstance();
RenderEngine& re = rf.RenderEngineInstance();
RenderDeviceCaps const & caps = re.DeviceCaps();
g_buffer_rt0_tex_ = rt0_tex;
g_buffer_depth_tex_ = depth_tex;
ElementFormat fmt8;
if (caps.rendertarget_format_support(EF_ABGR8, 1, 0))
{
fmt8 = EF_ABGR8;
}
else
{
BOOST_ASSERT(caps.rendertarget_format_support(EF_ARGB8, 1, 0));
fmt8 = EF_ARGB8;
}
ElementFormat depth_fmt;
if (caps.pack_to_rgba_required)
{
if (caps.rendertarget_format_support(EF_ABGR8, 1, 0))
{
depth_fmt = EF_ABGR8;
}
else
{
BOOST_ASSERT(caps.rendertarget_format_support(EF_ARGB8, 1, 0));
depth_fmt = EF_ARGB8;
}
}
else
{
if (caps.rendertarget_format_support(EF_R16F, 1, 0))
{
depth_fmt = EF_R16F;
}
else
{
BOOST_ASSERT(caps.rendertarget_format_support(EF_R32F, 1, 0));
depth_fmt = EF_R32F;
}
}
multi_res_tex_ = multi_res_tex;
if (multi_res_tex->NumMipMaps() > 1)
{
depth_deriative_tex_ = rf.MakeTexture2D(multi_res_tex->Width(0), multi_res_tex->Height(0),
multi_res_tex->NumMipMaps(), 1, depth_fmt, 1, 0, EAH_GPU_Read | EAH_GPU_Write, nullptr);
normal_cone_tex_ = rf.MakeTexture2D(multi_res_tex->Width(0), multi_res_tex->Height(0),
multi_res_tex->NumMipMaps(), 1, fmt8, 1, 0, EAH_GPU_Read | EAH_GPU_Write, nullptr);
depth_deriative_small_tex_ = rf.MakeTexture2D(multi_res_tex->Width(1), multi_res_tex->Height(1),
multi_res_tex->NumMipMaps() - 1, 1, EF_R16F, 1, 0, EAH_GPU_Write, nullptr);
normal_cone_small_tex_ = rf.MakeTexture2D(multi_res_tex->Width(1), multi_res_tex->Height(1),
multi_res_tex->NumMipMaps() - 1, 1, fmt8, 1, 0, EAH_GPU_Write, nullptr);
multi_res_pingpong_tex_ = rf.MakeTexture2D(multi_res_tex->Width(0), multi_res_tex->Height(0),
multi_res_tex->NumMipMaps() - 1, 1, multi_res_tex_->Format(), 1, 0, EAH_GPU_Write, nullptr);
}
multi_res_fbs_.resize(multi_res_tex->NumMipMaps());
for (uint32_t i = 0; i < multi_res_tex->NumMipMaps(); ++ i)
{
RenderViewPtr subsplat_ds_view = rf.Make2DDepthStencilRenderView(multi_res_tex->Width(i),
multi_res_tex->Height(i), EF_D24S8, 1, 0);
FrameBufferPtr fb = rf.MakeFrameBuffer();
fb->Attach(FrameBuffer::ATT_Color0, rf.Make2DRenderView(*multi_res_tex, 0, 1, i));
fb->Attach(FrameBuffer::ATT_DepthStencil, subsplat_ds_view);
multi_res_fbs_[i] = fb;
}
}
void MultiResSILLayer::GBuffer(TexturePtr const & rt0_tex, TexturePtr const & rt1_tex, TexturePtr const & depth_tex)
{
RenderFactory& rf = Context::Instance().RenderFactoryInstance();
RenderEngine& re = rf.RenderEngineInstance();
RenderDeviceCaps const & caps = re.DeviceCaps();
g_buffer_texs_[0] = rt0_tex;
g_buffer_texs_[1] = rt1_tex;
g_buffer_depth_tex_ = depth_tex;
ElementFormat fmt8;
if (caps.rendertarget_format_support(EF_ABGR8, 1, 0))
{
fmt8 = EF_ABGR8;
}
else
{
BOOST_ASSERT(caps.rendertarget_format_support(EF_ARGB8, 1, 0));
fmt8 = EF_ARGB8;
}
ElementFormat depth_fmt;
if (caps.rendertarget_format_support(EF_R16F, 1, 0))
{
depth_fmt = EF_R16F;
}
else
{
if (caps.rendertarget_format_support(EF_R32F, 1, 0))
{
depth_fmt = EF_R32F;
}
else
{
BOOST_ASSERT(caps.rendertarget_format_support(EF_ABGR16F, 1, 0));
depth_fmt = EF_ABGR16F;
}
}
uint32_t const width = rt0_tex->Width(0);
uint32_t const height = rt0_tex->Height(0);
int const MAX_IL_MIPMAP_LEVELS = 3;
depth_deriative_tex_ = rf.MakeTexture2D(width / 2, height / 2, MAX_IL_MIPMAP_LEVELS, 1, depth_fmt, 1, 0, EAH_GPU_Read | EAH_GPU_Write, nullptr);
normal_cone_tex_ = rf.MakeTexture2D(width / 2, height / 2, MAX_IL_MIPMAP_LEVELS, 1, fmt8, 1, 0, EAH_GPU_Read | EAH_GPU_Write, nullptr);
if (depth_deriative_tex_->NumMipMaps() > 1)
{
depth_deriative_small_tex_ = rf.MakeTexture2D(width / 4, height / 4, MAX_IL_MIPMAP_LEVELS - 1, 1, EF_R16F, 1, 0, EAH_GPU_Write, nullptr);
normal_cone_small_tex_ = rf.MakeTexture2D(width / 4, height / 4, MAX_IL_MIPMAP_LEVELS - 1, 1, fmt8, 1, 0, EAH_GPU_Write, nullptr);
}
indirect_lighting_tex_ = rf.MakeTexture2D(width / 2, height / 2, MAX_IL_MIPMAP_LEVELS, 1, EF_ABGR16F, 1, 0, EAH_GPU_Read | EAH_GPU_Write, nullptr);
indirect_lighting_pingpong_tex_ = rf.MakeTexture2D(width / 2, height / 2, MAX_IL_MIPMAP_LEVELS - 1, 1, EF_ABGR16F, 1, 0, EAH_GPU_Write, nullptr);
vpls_lighting_fbs_.resize(MAX_IL_MIPMAP_LEVELS);
for (uint32_t i = 0; i < indirect_lighting_tex_->NumMipMaps(); ++ i)
{
RenderViewPtr subsplat_ds_view = rf.Make2DDepthStencilRenderView(indirect_lighting_tex_->Width(i), indirect_lighting_tex_->Height(i),
EF_D24S8, 1, 0);
FrameBufferPtr fb = rf.MakeFrameBuffer();
fb->Attach(FrameBuffer::ATT_Color0, rf.Make2DRenderView(*indirect_lighting_tex_, 0, 1, i));
fb->Attach(FrameBuffer::ATT_DepthStencil, subsplat_ds_view);
vpls_lighting_fbs_[i] = fb;
}
}