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[D3D12] DXBC RDEF constants

This commit is contained in:
Triang3l 2018-08-29 18:05:50 +03:00
parent 6d783fd3bf
commit 3edf41bea4
1 changed files with 63 additions and 1 deletions
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64
src/xenia/gpu/dxbc_shader_translator.cc
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@ -112,6 +112,38 @@ const DxbcShaderTranslator::RdefType DxbcShaderTranslator::rdef_types_[size_t(
&rdef_float_constant_page_member_},
};
const DxbcShaderTranslator::RdefConstant
DxbcShaderTranslator::rdef_constants_[size_t(
DxbcShaderTranslator::RdefConstantIndex::kCount)] = {
// System constants vec4 0.
{"xe_mul_rcp_w", RdefTypeIndex::kFloat3, 0, 12},
{"xe_vertex_base_index", RdefTypeIndex::kUint, 12, 4},
// System constants vec4 1.
{"xe_ndc_scale", RdefTypeIndex::kFloat3, 16, 12},
{"xe_vertex_index_endian", RdefTypeIndex::kUint, 28, 4},
// System constants vec4 2.
{"xe_ndc_offset", RdefTypeIndex::kFloat3, 32, 12},
{"xe_pixel_half_pixel_offset", RdefTypeIndex::kFloat, 44, 4},
// System constants vec4 3.
{"xe_point_size", RdefTypeIndex::kFloat2, 48, 8},
{"xe_ssaa_inv_scale", RdefTypeIndex::kFloat2, 56, 8},
// System constants vec4 4.
{"xe_pixel_pos_reg", RdefTypeIndex::kUint, 64, 4},
{"xe_alpha_test", RdefTypeIndex::kInt, 68, 4},
{"xe_alpha_test_range", RdefTypeIndex::kFloat2, 72, 8},
// System constants vec4 5.
{"xe_color_exp_bias", RdefTypeIndex::kFloat4, 80, 16},
// System constants vec4 6.
{"xe_color_output_map", RdefTypeIndex::kUint4, 96, 16},
{"xe_bool_constants", RdefTypeIndex::kUint4Array8, 0, 128},
{"xe_loop_constants", RdefTypeIndex::kUint4Array32, 128, 512},
{"xe_fetch_constants", RdefTypeIndex::kUint4Array48, 0, 768},
{"xe_float_constants", RdefTypeIndex::kFloat4Array32, 0, 512},
};
void DxbcShaderTranslator::WriteResourceDefinitions() {
uint32_t chunk_position_dwords = uint32_t(shader_object_.size());
uint32_t new_offset;
@ -195,7 +227,7 @@ void DxbcShaderTranslator::WriteResourceDefinitions() {
shader_object_.push_back(0);
shader_object_.push_back(type_name_offsets[i]);
}
// Struct members.
// Structure members.
for (uint32_t i = 0; i < uint32_t(RdefTypeIndex::kCount); ++i) {
const RdefType& type = rdef_types_[i];
const RdefStructMember* struct_members = type.struct_members;
@ -222,6 +254,36 @@ void DxbcShaderTranslator::WriteResourceDefinitions() {
new_offset += AppendString(shader_object_, struct_members[j].name);
}
}
// ***************************************************************************
// Constants
// ***************************************************************************
new_offset = (uint32_t(shader_object_.size()) - chunk_position_dwords) *
sizeof(uint32_t);
uint32_t constant_name_offsets[size_t(RdefConstantIndex::kCount)];
for (uint32_t i = 0; i < uint32_t(RdefConstantIndex::kCount); ++i) {
constant_name_offsets[i] = new_offset;
new_offset += AppendString(shader_object_, rdef_constants_[i].name);
}
uint32_t constants_offset = new_offset;
const uint32_t constant_size = 40;
for (uint32_t i = 0; i < uint32_t(RdefConstantIndex::kCount); ++i) {
const RdefConstant& constant = rdef_constants_[i];
shader_object_.push_back(constant_name_offsets[i]);
shader_object_.push_back(constant.offset);
shader_object_.push_back(constant.size);
// Flag 2 is D3D_SVF_USED.
shader_object_.push_back((rdef_constants_used_ & (1ull << i)) ? 2 : 0);
shader_object_.push_back(types_offset +
uint32_t(constant.type) * type_size);
// Default value (always 0).
shader_object_.push_back(0);
// Unknown.
shader_object_.push_back(0xFFFFFFFFu);
shader_object_.push_back(0);
shader_object_.push_back(0xFFFFFFFFu);
shader_object_.push_back(0);
}
}
} // namespace gpu