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[D3D12] Dithered alpha to coverage

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This commit is contained in:
Triang3l
2020-07-07 23:09:28 +03:00
parent 596f1691c0
commit 829c6ee2b0
30 changed files with 2470 additions and 2329 deletions
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26
src/xenia/gpu/dxbc_shader_translator.cc
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@@ -167,6 +167,8 @@ void DxbcShaderTranslator::Reset() {
in_domain_location_used_ = 0;
in_primitive_id_used_ = false;
in_control_point_index_used_ = false;
in_position_xy_used_ = false;
in_front_face_used_ = false;
system_temp_count_current_ = 0;
system_temp_count_max_ = 0;
@@ -688,6 +690,7 @@ void DxbcShaderTranslator::StartPixelShader() {
// faceness as X sign bit. Using Z as scratch register now.
if (edram_rov_used_) {
// Get XY address of the current host pixel as float.
in_position_xy_used_ = true;
DxbcOpRoundZ(DxbcDest::R(param_gen_temp, 0b0011),
DxbcSrc::V(uint32_t(InOutRegister::kPSInPosition)));
// Revert resolution scale - after truncating, so if the pixel position
@@ -711,6 +714,7 @@ void DxbcShaderTranslator::StartPixelShader() {
} else {
// Get XY address of the current SSAA sample by converting
// SV_Position.xy to an integer.
in_position_xy_used_ = true;
DxbcOpFToU(DxbcDest::R(param_gen_temp, 0b0011),
DxbcSrc::V(uint32_t(InOutRegister::kPSInPosition)));
// Undo SSAA that is used instead of MSAA - since it's used as a
@@ -741,6 +745,7 @@ void DxbcShaderTranslator::StartPixelShader() {
{
// Negate modifier flips the sign bit even for 0 - set it to minus for
// backfaces.
in_front_face_used_ = true;
DxbcOpMovC(
DxbcDest::R(param_gen_temp, 0b0001),
DxbcSrc::V(uint32_t(InOutRegister::kPSInFrontFace), DxbcSrc::kXXXX),
@@ -2003,11 +2008,11 @@ const DxbcShaderTranslator::SystemConstantRdef DxbcShaderTranslator::
{"xe_texture_swizzled_signs", RdefTypeIndex::kUint4Array2,
sizeof(uint32_t) * 4 * 2},
{"xe_alpha_to_mask", RdefTypeIndex::kUint, sizeof(uint32_t)},
{"xe_edram_resolution_square_scale", RdefTypeIndex::kUint,
sizeof(uint32_t)},
{"xe_edram_pitch_tiles", RdefTypeIndex::kUint, sizeof(uint32_t)},
{"xe_edram_depth_base_dwords", RdefTypeIndex::kUint, sizeof(uint32_t),
sizeof(float)},
{"xe_edram_depth_base_dwords", RdefTypeIndex::kUint, sizeof(uint32_t)},
{"xe_color_exp_bias", RdefTypeIndex::kFloat4, sizeof(float) * 4},
@@ -2808,9 +2813,8 @@ void DxbcShaderTranslator::WriteInputSignature() {
clip_space_zw.always_reads_mask = edram_rov_used_ ? 0b0011 : 0b0000;
}
// Position (SV_Position, only XY needed for ps_param_gen and for EDRAM
// address calculation). Z is not needed - ROV depth testing calculates the
// depth from the clip space Z/W texcoord, and if oDepth is used, it must be
// Pixel position. Z is not needed - ROV depth testing calculates the depth
// from the clip space Z/W texcoord, and if oDepth is used, it must be
// written to on every execution path anyway (SV_Position).
size_t position_position = shader_object_.size();
shader_object_.resize(shader_object_.size() + kParameterDwords);
@@ -2823,11 +2827,10 @@ void DxbcShaderTranslator::WriteInputSignature() {
position.component_type = DxbcSignatureRegisterComponentType::kFloat32;
position.register_index = uint32_t(InOutRegister::kPSInPosition);
position.mask = 0b1111;
position.always_reads_mask =
(param_gen_used || edram_rov_used_) ? 0b0011 : 0b0000;
position.always_reads_mask = in_position_xy_used_ ? 0b0011 : 0b0000;
}
// Is front face (SV_IsFrontFace), for ps_param_gen and ROV stencil.
// Is front face (SV_IsFrontFace).
size_t is_front_face_position = shader_object_.size();
shader_object_.resize(shader_object_.size() + kParameterDwords);
++parameter_count;
@@ -2840,8 +2843,7 @@ void DxbcShaderTranslator::WriteInputSignature() {
DxbcSignatureRegisterComponentType::kUInt32;
is_front_face.register_index = uint32_t(InOutRegister::kPSInFrontFace);
is_front_face.mask = 0b0001;
is_front_face.always_reads_mask =
(param_gen_used || edram_rov_used_) ? 0b0001 : 0b0000;
is_front_face.always_reads_mask = in_front_face_used_ ? 0b0001 : 0b0000;
}
// Semantic names.
@@ -3706,7 +3708,7 @@ void DxbcShaderTranslator::WriteShaderCode() {
shader_object_.push_back(uint32_t(InOutRegister::kPSInClipSpaceZW));
++stat_.dcl_count;
}
if (edram_rov_used_ || (!is_depth_only_pixel_shader_ && register_count())) {
if (in_position_xy_used_) {
// Position input (only XY needed for ps_param_gen, and the ROV depth code
// calculates the depth from clip space Z and W).
shader_object_.push_back(
@@ -3719,6 +3721,8 @@ void DxbcShaderTranslator::WriteShaderCode() {
shader_object_.push_back(uint32_t(InOutRegister::kPSInPosition));
shader_object_.push_back(ENCODE_D3D10_SB_NAME(D3D10_SB_NAME_POSITION));
++stat_.dcl_count;
}
if (in_front_face_used_) {
// Is front face.
shader_object_.push_back(
ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_DCL_INPUT_PS_SGV) |