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DX12: stencil shadows.

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This commit is contained in:
Artem Kharytoniuk
2017-12-16 20:58:19 +01:00
parent 5853e1e3d3
commit 062ad9974d
3 changed files with 80 additions and 22 deletions
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62
src/engine/renderer/dx.cpp
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@@ -372,6 +372,41 @@ void dx_initialize() {
// Standard pipelines.
//
// Q3 stencil shadows
{
{
Vk_Pipeline_Def def;
def.polygon_offset = false;
def.state_bits = 0;
def.shader_type = Vk_Shader_Type::single_texture;
def.clipping_plane = false;
def.shadow_phase = Vk_Shadow_Phase::shadow_edges_rendering;
cullType_t cull_types[2] = {CT_FRONT_SIDED, CT_BACK_SIDED};
bool mirror_flags[2] = {false, true};
for (int i = 0; i < 2; i++) {
def.face_culling = cull_types[i];
for (int j = 0; j < 2; j++) {
def.mirror = mirror_flags[j];
dx.shadow_volume_pipeline_states[i][j] = create_pipeline(def);
}
}
}
{
Vk_Pipeline_Def def;
def.face_culling = CT_FRONT_SIDED;
def.polygon_offset = false;
def.state_bits = GLS_DEPTHMASK_TRUE | GLS_SRCBLEND_DST_COLOR | GLS_DSTBLEND_ZERO;
def.shader_type = Vk_Shader_Type::single_texture;
def.clipping_plane = false;
def.mirror = false;
def.shadow_phase = Vk_Shadow_Phase::fullscreen_quad_rendering;
dx.shadow_finish_pipeline_state = create_pipeline(def);
}
}
// fog and dlights
{
Vk_Pipeline_Def def;
@@ -413,12 +448,21 @@ void dx_initialize() {
}
void dx_shutdown() {
for (int i = 0; i < 2; i++)
dx.shadow_finish_pipeline_state->Release();
for (int i = 0; i < 2; i++) {
for (int j = 0; j < 2; j++) {
dx.shadow_volume_pipeline_states[i][j]->Release();
}
}
for (int i = 0; i < 2; i++) {
for (int j = 0; j < 3; j++)
for (int k = 0; k < 2; k++) {
dx.fog_pipeline_states[i][j][k]->Release();
dx.dlight_pipeline_states[i][j][k]->Release();
}
}
dx.swapchain.Reset();
@@ -467,6 +511,8 @@ void dx_shutdown() {
dx.device->Release();
dx.device = nullptr;
Com_Memset(&dx, 0, sizeof(dx));
}
void dx_release_resources() {
@@ -821,7 +867,7 @@ static ID3D12PipelineState* create_pipeline(const Vk_Pipeline_Def& def) {
depth_stencil_state.FrontFace.StencilFailOp = D3D12_STENCIL_OP_KEEP;
depth_stencil_state.FrontFace.StencilDepthFailOp = D3D12_STENCIL_OP_KEEP;
depth_stencil_state.FrontFace.StencilPassOp = (def.face_culling == CT_FRONT_SIDED) ? D3D12_STENCIL_OP_INCR_SAT : D3D12_STENCIL_OP_DECR_SAT;
depth_stencil_state.FrontFace.StencilFunc = D3D12_COMPARISON_FUNC_NOT_EQUAL;
depth_stencil_state.FrontFace.StencilFunc = D3D12_COMPARISON_FUNC_ALWAYS;
depth_stencil_state.BackFace = depth_stencil_state.FrontFace;
} else if (def.shadow_phase == Vk_Shadow_Phase::fullscreen_quad_rendering) {
@@ -1259,12 +1305,6 @@ void dx_begin_frame() {
// Set necessary state.
dx.command_list->SetGraphicsRootSignature(dx.root_signature);
/*CD3DX12_VIEWPORT viewport(0.0f, 0.0f, static_cast<float>(glConfig.vidWidth), static_cast<float>(glConfig.vidHeight));
dx.command_list->RSSetViewports(1, &viewport);
CD3DX12_RECT scissorRect(0, 0, static_cast<LONG>(glConfig.vidWidth), static_cast<LONG>(glConfig.vidHeight));
dx.command_list->RSSetScissorRects(1, &scissorRect);*/
ID3D12DescriptorHeap* heaps[] = { dx.srv_heap, dx.sampler_heap };
dx.command_list->SetDescriptorHeaps(_countof(heaps), heaps);
@@ -1281,8 +1321,10 @@ void dx_begin_frame() {
dx.command_list->ClearRenderTargetView(rtv_handle, clearColor, 0, nullptr);
dx.command_list->IASetPrimitiveTopology(D3D_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
dx.command_list->ClearDepthStencilView(dx.dsv_heap->GetCPUDescriptorHandleForHeapStart(),
D3D12_CLEAR_FLAG_DEPTH, 1.0f, 0, 0, nullptr);
D3D12_CLEAR_FLAGS flags = D3D12_CLEAR_FLAG_DEPTH;
if (r_shadows->integer == 2)
flags |= D3D12_CLEAR_FLAG_STENCIL;
dx.command_list->ClearDepthStencilView(dsv_handle, flags, 1.0f, 0, 0, nullptr);
dx.xyz_elements = 0;
dx.color_st_elements = 0;