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[D3D12] DXBC texture size, offset, unnormalized coordinates

This commit is contained in:
Triang3l 2018-09-11 14:47:39 +03:00
parent d4334312f3
commit d67b6f7a3e
1 changed files with 330 additions and 14 deletions
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332
src/xenia/gpu/dxbc_shader_translator.cc
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@ -2978,32 +2978,348 @@ void DxbcShaderTranslator::ProcessTextureFetchInstruction(
uint32_t srv_register = FindOrAddTextureSRV(tfetch_index, instr.dimension);
// 3D or 2D stacked is selected dynamically.
uint32_t srv_register_3d;
uint32_t srv_register_stacked;
if (instr.dimension == TextureDimension::k3D) {
srv_register_3d =
srv_register_stacked =
FindOrAddTextureSRV(tfetch_index, TextureDimension::k2D);
} else {
srv_register_3d = UINT32_MAX;
srv_register_stacked = UINT32_MAX;
}
uint32_t sampler_register = FindOrAddSamplerBinding(
tfetch_index, instr.attributes.mag_filter, instr.attributes.min_filter,
instr.attributes.mip_filter, instr.attributes.aniso_filter);
// TODO(Triang3l): Actually sample instead of this stub.
// Will use the fetch constants unconditionally, for exponent bias.
rdef_constants_used_ |= 1ull
<< uint32_t(RdefConstantIndex::kFetchConstants);
// Move coordinates to pv temporarily so zeros can be added to expand them
// to Texture2DArray coordinates and to apply offset.
uint32_t coord_mask;
switch (instr.dimension) {
case TextureDimension::k1D:
coord_mask = 0b0001;
break;
case TextureDimension::k2D:
coord_mask = 0b0011;
break;
default:
coord_mask = 0b0111;
}
shader_code_.push_back(
ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_MOV) |
ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(3 + operand_length));
shader_code_.push_back(
EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, coord_mask, 1));
shader_code_.push_back(system_temp_pv_);
UseDxbcSourceOperand(operand);
++stat_.instruction_count;
++stat_.mov_instruction_count;
// If 1D or 2D, fill the unused coordinates with zeros (sampling the only
// row of the only slice).
if (0b0111 & ~coord_mask) {
shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_MOV) |
ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(8));
shader_code_.push_back(
EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b1111, 1));
shader_code_.push_back(EncodeVectorMaskedOperand(
D3D10_SB_OPERAND_TYPE_TEMP, 0b0111 & ~coord_mask, 1));
shader_code_.push_back(system_temp_pv_);
shader_code_.push_back(EncodeVectorSwizzledOperand(
D3D10_SB_OPERAND_TYPE_IMMEDIATE32, kSwizzleXYZW, 0));
shader_code_.push_back(0);
shader_code_.push_back(0);
shader_code_.push_back(0);
shader_code_.push_back(0);
++stat_.instruction_count;
++stat_.mov_instruction_count;
}
// Get the offset to see if the size of the texture is needed.
// It's probably applicable to tfetchCube too, we're going to assume it's
// used for them the same way as for stacked textures.
// http://web.archive.org/web/20090511231340/http://msdn.microsoft.com:80/en-us/library/bb313959.aspx
float offset_x = instr.attributes.offset_x;
float offset_y = 0.0f, offset_z = 0.0f;
if (instr.dimension == TextureDimension::k2D ||
instr.dimension == TextureDimension::k3D ||
instr.dimension == TextureDimension::kCube) {
offset_y = instr.attributes.offset_y;
if (instr.dimension == TextureDimension::k3D ||
instr.dimension == TextureDimension::kCube) {
offset_z = instr.attributes.offset_z;
}
}
// Get the texture size if needed, apply offset and switch between
// normalized and unnormalized coordinates if needed. The offset is
// fractional on the Xbox 360 (has 0.5 granularity), unlike in Direct3D 12,
// and cubemaps
// TODO(Triang3l): Unnormalized coordinates should be disabled when the
// wrap mode is not a clamped one, though it's probably a very rare case,
// unlikely to be used on purpose.
// http://web.archive.org/web/20090514012026/http://msdn.microsoft.com:80/en-us/library/bb313957.aspx
uint32_t size_and_is_3d_temp = UINT32_MAX;
bool has_offset = offset_x != 0.0f || offset_y != 0.0f || offset_z != 0.0f;
if (has_offset || instr.attributes.unnormalized_coordinates ||
instr.dimension == TextureDimension::k3D) {
size_and_is_3d_temp = PushSystemTemp();
// Get 2D texture size and array layer count, in bits 0:12, 13:25, 26:31
// of dword 2 ([0].z or [2].x).
shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D11_SB_OPCODE_UBFE) |
ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(17));
shader_code_.push_back(
EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b0111, 1));
shader_code_.push_back(size_and_is_3d_temp);
shader_code_.push_back(EncodeVectorSwizzledOperand(
D3D10_SB_OPERAND_TYPE_IMMEDIATE32, kSwizzleXYZW, 0));
shader_code_.push_back(13);
shader_code_.push_back(instr.dimension != TextureDimension::k1D ? 13 : 0);
shader_code_.push_back(instr.dimension == TextureDimension::k3D ? 6 : 0);
shader_code_.push_back(0);
shader_code_.push_back(EncodeVectorSwizzledOperand(
D3D10_SB_OPERAND_TYPE_IMMEDIATE32, kSwizzleXYZW, 0));
shader_code_.push_back(0);
shader_code_.push_back(13);
shader_code_.push_back(26);
shader_code_.push_back(0);
shader_code_.push_back(
EncodeVectorReplicatedOperand(D3D10_SB_OPERAND_TYPE_CONSTANT_BUFFER,
2 - 2 * (tfetch_index & 1), 3));
shader_code_.push_back(
uint32_t(RdefConstantBufferIndex::kFetchConstants));
shader_code_.push_back(uint32_t(CbufferRegister::kFetchConstants));
shader_code_.push_back(tfetch_pair_offset + (tfetch_index & 1) * 2);
++stat_.instruction_count;
++stat_.uint_instruction_count;
if (instr.dimension == TextureDimension::k3D) {
// Write whether the texture is 3D to W if it's 3D/stacked. The
// dimension is in dword 5 in bith 9:10.
shader_code_.push_back(
ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_AND) |
ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(9));
shader_code_.push_back(
EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b1000, 1));
shader_code_.push_back(size_and_is_3d_temp);
// Dword 5 is [1].y or [2].w.
shader_code_.push_back(
EncodeVectorSelectOperand(D3D10_SB_OPERAND_TYPE_CONSTANT_BUFFER,
1 + 2 * (tfetch_index & 1), 3));
shader_code_.push_back(
uint32_t(RdefConstantBufferIndex::kFetchConstants));
shader_code_.push_back(uint32_t(CbufferRegister::kFetchConstants));
shader_code_.push_back(tfetch_pair_offset + 1 + (tfetch_index & 1));
shader_code_.push_back(
EncodeScalarOperand(D3D10_SB_OPERAND_TYPE_IMMEDIATE32, 0));
shader_code_.push_back(0x3 << 9);
++stat_.instruction_count;
++stat_.uint_instruction_count;
shader_code_.push_back(
ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_IEQ) |
ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(7));
shader_code_.push_back(
EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b1000, 1));
shader_code_.push_back(size_and_is_3d_temp);
shader_code_.push_back(
EncodeVectorSelectOperand(D3D10_SB_OPERAND_TYPE_TEMP, 3, 1));
shader_code_.push_back(size_and_is_3d_temp);
shader_code_.push_back(
EncodeScalarOperand(D3D10_SB_OPERAND_TYPE_IMMEDIATE32, 0));
shader_code_.push_back(uint32_t(Dimension::k3D) << 9);
++stat_.instruction_count;
++stat_.int_instruction_count;
uint32_t size_3d_temp = PushSystemTemp();
// Get 3D texture size to a temporary variable (in the same constant,
// but 11:11:10).
shader_code_.push_back(
ENCODE_D3D10_SB_OPCODE_TYPE(D3D11_SB_OPCODE_UBFE) |
ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(17));
shader_code_.push_back(
EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b0111, 1));
shader_code_.push_back(size_3d_temp);
shader_code_.push_back(EncodeVectorSwizzledOperand(
D3D10_SB_OPERAND_TYPE_IMMEDIATE32, kSwizzleXYZW, 0));
shader_code_.push_back(11);
shader_code_.push_back(11);
shader_code_.push_back(10);
shader_code_.push_back(0);
shader_code_.push_back(EncodeVectorSwizzledOperand(
D3D10_SB_OPERAND_TYPE_IMMEDIATE32, kSwizzleXYZW, 0));
shader_code_.push_back(0);
shader_code_.push_back(11);
shader_code_.push_back(22);
shader_code_.push_back(0);
shader_code_.push_back(
EncodeVectorReplicatedOperand(D3D10_SB_OPERAND_TYPE_CONSTANT_BUFFER,
2 - 2 * (tfetch_index & 1), 3));
shader_code_.push_back(
uint32_t(RdefConstantBufferIndex::kFetchConstants));
shader_code_.push_back(uint32_t(CbufferRegister::kFetchConstants));
shader_code_.push_back(tfetch_pair_offset + (tfetch_index & 1) * 2);
++stat_.instruction_count;
++stat_.uint_instruction_count;
// Replace the 2D size with the 3D one if the texture is 3D.
shader_code_.push_back(
ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_MOVC) |
ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(9));
shader_code_.push_back(
EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b0111, 1));
shader_code_.push_back(size_and_is_3d_temp);
shader_code_.push_back(
EncodeVectorReplicatedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 3, 1));
shader_code_.push_back(size_and_is_3d_temp);
shader_code_.push_back(EncodeVectorSwizzledOperand(
D3D10_SB_OPERAND_TYPE_TEMP, kSwizzleXYZW, 1));
shader_code_.push_back(size_3d_temp);
shader_code_.push_back(EncodeVectorSwizzledOperand(
D3D10_SB_OPERAND_TYPE_TEMP, kSwizzleXYZW, 1));
shader_code_.push_back(size_and_is_3d_temp);
++stat_.instruction_count;
++stat_.movc_instruction_count;
// Release size_3d_temp.
PopSystemTemp();
}
// Convert the size to float.
shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_UTOF) |
ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(5));
shader_code_.push_back(
EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b0111, 1));
shader_code_.push_back(size_and_is_3d_temp);
shader_code_.push_back(EncodeVectorSwizzledOperand(
D3D10_SB_OPERAND_TYPE_TEMP, kSwizzleXYZW, 1));
shader_code_.push_back(size_and_is_3d_temp);
++stat_.instruction_count;
++stat_.conversion_instruction_count;
// Add 1 to the size because fetch constants store size minus one.
shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_ADD) |
ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(10));
shader_code_.push_back(
EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b0111, 1));
shader_code_.push_back(size_and_is_3d_temp);
shader_code_.push_back(EncodeVectorSwizzledOperand(
D3D10_SB_OPERAND_TYPE_TEMP, kSwizzleXYZW, 1));
shader_code_.push_back(size_and_is_3d_temp);
shader_code_.push_back(EncodeVectorSwizzledOperand(
D3D10_SB_OPERAND_TYPE_IMMEDIATE32, kSwizzleXYZW, 0));
shader_code_.push_back(0x3F800000);
shader_code_.push_back(0x3F800000);
shader_code_.push_back(0x3F800000);
shader_code_.push_back(0x3F800000);
shader_code_.push_back(0);
++stat_.instruction_count;
++stat_.float_instruction_count;
if (instr.dimension == TextureDimension::k3D) {
// Both 3D textures and 2D arrays have their Z coordinate normalized,
// however, on PC, array elements have unnormalized indices.
// https://www.slideshare.net/blackdevilvikas/next-generation-graphics-programming-on-xbox-360
// Put the array layer in W - Z * depth if the fetch uses normalized
// coordinates, and Z if it uses unnormalized.
if (instr.attributes.unnormalized_coordinates) {
shader_code_.push_back(
ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_MOV) |
ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(5));
shader_code_.push_back(
EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b1000, 1));
shader_code_.push_back(system_temp_pv_);
shader_code_.push_back(
EncodeVectorSelectOperand(D3D10_SB_OPERAND_TYPE_TEMP, 2, 1));
shader_code_.push_back(system_temp_pv_);
++stat_.instruction_count;
++stat_.mov_instruction_count;
} else {
shader_code_.push_back(
ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_MUL) |
ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(7));
shader_code_.push_back(
EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b1000, 1));
shader_code_.push_back(system_temp_pv_);
shader_code_.push_back(
EncodeVectorSelectOperand(D3D10_SB_OPERAND_TYPE_TEMP, 2, 1));
shader_code_.push_back(system_temp_pv_);
shader_code_.push_back(
EncodeVectorSelectOperand(D3D10_SB_OPERAND_TYPE_TEMP, 2, 1));
shader_code_.push_back(size_and_is_3d_temp);
++stat_.instruction_count;
++stat_.float_instruction_count;
}
}
if (has_offset || instr.attributes.unnormalized_coordinates) {
// Take the reciprocal of the size to normalize the coordinates and the
// offset (this is not necessary to just sample 3D/array with normalized
// coordinates and no offset). For cubemaps, there will be 1 in Z, so
// this will work.
shader_code_.push_back(
ENCODE_D3D10_SB_OPCODE_TYPE(D3D11_SB_OPCODE_RCP) |
ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(5));
shader_code_.push_back(EncodeVectorMaskedOperand(
D3D10_SB_OPERAND_TYPE_TEMP, coord_mask, 1));
shader_code_.push_back(size_and_is_3d_temp);
shader_code_.push_back(EncodeVectorSwizzledOperand(
D3D10_SB_OPERAND_TYPE_TEMP, kSwizzleXYZW, 1));
shader_code_.push_back(size_and_is_3d_temp);
++stat_.instruction_count;
++stat_.float_instruction_count;
// Normalize the coordinates.
if (instr.attributes.unnormalized_coordinates) {
shader_code_.push_back(
ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_MUL) |
ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(7));
shader_code_.push_back(EncodeVectorMaskedOperand(
D3D10_SB_OPERAND_TYPE_TEMP, coord_mask, 1));
shader_code_.push_back(system_temp_pv_);
shader_code_.push_back(EncodeVectorSwizzledOperand(
D3D10_SB_OPERAND_TYPE_TEMP, kSwizzleXYZW, 1));
shader_code_.push_back(system_temp_pv_);
shader_code_.push_back(EncodeVectorSwizzledOperand(
D3D10_SB_OPERAND_TYPE_TEMP, kSwizzleXYZW, 1));
shader_code_.push_back(size_and_is_3d_temp);
++stat_.instruction_count;
++stat_.float_instruction_count;
}
// Apply the offset.
if (has_offset) {
shader_code_.push_back(
ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_MAD) |
ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(12));
shader_code_.push_back(EncodeVectorMaskedOperand(
D3D10_SB_OPERAND_TYPE_TEMP, coord_mask, 1));
shader_code_.push_back(system_temp_pv_);
shader_code_.push_back(EncodeVectorSwizzledOperand(
D3D10_SB_OPERAND_TYPE_IMMEDIATE32, kSwizzleXYZW, 0));
shader_code_.push_back(*reinterpret_cast<const uint32_t*>(&offset_x));
shader_code_.push_back(*reinterpret_cast<const uint32_t*>(&offset_y));
shader_code_.push_back(*reinterpret_cast<const uint32_t*>(&offset_z));
shader_code_.push_back(0);
shader_code_.push_back(EncodeVectorSwizzledOperand(
D3D10_SB_OPERAND_TYPE_TEMP, kSwizzleXYZW, 1));
shader_code_.push_back(size_and_is_3d_temp);
shader_code_.push_back(EncodeVectorSwizzledOperand(
D3D10_SB_OPERAND_TYPE_TEMP, kSwizzleXYZW, 1));
shader_code_.push_back(system_temp_pv_);
++stat_.instruction_count;
++stat_.float_instruction_count;
}
}
}
// TODO(Triang3l): Revert the `cube` instruction.
// TODO(Triang3l): Actually fetch the texture.
if (size_and_is_3d_temp != UINT32_MAX) {
PopSystemTemp();
}
} else if (instr.opcode == FetchOpcode::kSetTextureLod) {
shader_code_.push_back(
ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_MOV) |
@ -3024,7 +3340,7 @@ void DxbcShaderTranslator::ProcessTextureFetchInstruction(
shader_code_.push_back(instr.opcode == FetchOpcode::kSetTextureGradientsVert
? system_temp_grad_v_
: system_temp_grad_h_lod_);
UseDxbcSourceOperand(operand, kSwizzleXYZW);
UseDxbcSourceOperand(operand);
++stat_.instruction_count;
++stat_.mov_instruction_count;
}