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[D3D12] DXBC RDEF cbuffer bindings

This commit is contained in:
Triang3l 2018-08-29 20:32:31 +03:00
parent a30f8d6374
commit b2ddbb6096
2 changed files with 39 additions and 6 deletions
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43
src/xenia/gpu/dxbc_shader_translator.cc
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@ -153,14 +153,14 @@ const DxbcShaderTranslator::RdefConstantBuffer
// SYSTEM CONSTANT SIZE MUST BE UPDATED IF THEIR LAYOUT CHANGES!
{"xe_system_cbuffer", RdefConstantIndex::kSystemConstantFirst,
uint32_t(RdefConstantIndex::kSystemConstantCount), 112,
CbufferRegister::kSystemConstants, 1, false},
CbufferRegister::kSystemConstants, 1, true, false},
{"xe_bool_loop_cbuffer", RdefConstantIndex::kBoolConstants, 2, 40 * 16,
CbufferRegister::kBoolLoopConstants, 1, true},
CbufferRegister::kBoolLoopConstants, 1, true, true},
{"xe_fetch_cbuffer", RdefConstantIndex::kFetchConstants, 1, 48 * 16,
CbufferRegister::kFetchConstants, 1, false},
CbufferRegister::kFetchConstants, 1, true, false},
{"xe_float_constants", RdefConstantIndex::kFloatConstants, 1,
kFloatConstantsPerPage * 16, CbufferRegister::kFloatConstantsFirst,
kFloatConstantPageCount, true},
kFloatConstantPageCount, false, true},
};
void DxbcShaderTranslator::WriteResourceDefinitions() {
@ -189,8 +189,9 @@ void DxbcShaderTranslator::WriteResourceDefinitions() {
// ps_5_1
shader_object_.push_back(0xFFFF0501u);
}
// Compiler flags - default for SM 5.1 (no preshader, prefer flow control).
shader_object_.push_back(0x500);
// Compiler flags - default for SM 5.1 (no preshader, prefer flow control),
// and also skip optimization and IEEE strictness.
shader_object_.push_back(0x2504);
// Generator offset (directly after the RDEF header in our case).
shader_object_.push_back(60);
// RD11, but with nibbles inverted (unlike in SM 5.0).
@ -328,6 +329,36 @@ void DxbcShaderTranslator::WriteResourceDefinitions() {
// No D3D_SHADER_CBUFFER_FLAGS.
shader_object_.push_back(0);
}
// ***************************************************************************
// Bindings
// ***************************************************************************
// TODO(Triang3l): Shared memory, textures, samplers.
new_offset = (uint32_t(shader_object_.size()) - chunk_position_dwords) *
sizeof(uint32_t);
// TODO(Triang3l): t# and s# names.
// Write the offset to the header.
shader_object_[chunk_position_dwords + 3] = new_offset;
// Constant buffers.
for (uint32_t i = 0; i < uint32_t(RdefConstantBufferIndex::kCount); ++i) {
const RdefConstantBuffer& cbuffer = rdef_constant_buffers_[i];
shader_object_.push_back(cbuffer_name_offsets[i]);
// D3D_SIT_CBUFFER.
shader_object_.push_back(0);
// No D3D_RESOURCE_RETURN_TYPE.
shader_object_.push_back(0);
// D3D_SRV_DIMENSION_UNKNOWN (not an SRV).
shader_object_.push_back(0);
// Not multisampled.
shader_object_.push_back(0);
shader_object_.push_back(uint32_t(cbuffer.register_index));
shader_object_.push_back(cbuffer.binding_count);
// D3D_SIF_USERPACKED if a `cbuffer` rather than a `ConstantBuffer<T>`.
shader_object_.push_back(cbuffer.user_packed ? 1 : 0);
// Register space 0.
shader_object_.push_back(0);
shader_object_.push_back(i);
}
}
} // namespace gpu

2
src/xenia/gpu/dxbc_shader_translator.h
View File

@ -188,6 +188,8 @@ class DxbcShaderTranslator : public ShaderTranslator {
uint32_t size;
CbufferRegister register_index;
uint32_t binding_count;
// True if created like `cbuffer`, false for `ConstantBuffer<T>`.
bool user_packed;
bool dynamic_indexed;
};
static const RdefConstantBuffer