[D3D12] DXBC: (Currently incorrect) cube undoing
This commit is contained in:
Triang3l
parent
15e0501a49
commit
4651a0b5ed
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@ -2950,6 +2950,310 @@ uint32_t DxbcShaderTranslator::FindOrAddSamplerBinding(
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return sampler_register;
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return sampler_register;
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}
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}
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void DxbcShaderTranslator::ArrayToCubeDirection(uint32_t reg) {
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// This does the reverse of what the cube vector ALU instruction does, but
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// assuming S and T are normalized.
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//
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// The major axis depends on the face index (passed as a float in reg.z):
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// +X for 0, -X for 1, +Y for 2, -Y for 3, +Z for 4, -Z for 5.
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//
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// If the major axis is X:
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// * X is 1.0 or -1.0.
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// * Y is -T.
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// * Z is -S for positive X, +S for negative X.
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// If it's Y:
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// * X is +S.
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// * Y is 1.0 or -1.0.
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// * Z is +T for positive Y, -T for negative Y.
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// If it's Z:
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// * X is +S for positive Z, -S for negative Z.
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// * Y is -T.
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// * Z is 1.0 or -1.0.
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// Make 0, not 0.5, the center of S and T.
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// mad reg.xy__, reg.xy__, l(2.0, 2.0, _, _), l(-1.0, -1.0, _, _)
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shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_MAD) |
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ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(15));
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shader_code_.push_back(
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EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b0011, 1));
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shader_code_.push_back(reg);
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shader_code_.push_back(
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EncodeVectorSwizzledOperand(D3D10_SB_OPERAND_TYPE_TEMP, kSwizzleXYZW, 1));
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shader_code_.push_back(reg);
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shader_code_.push_back(EncodeVectorSwizzledOperand(
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D3D10_SB_OPERAND_TYPE_IMMEDIATE32, kSwizzleXYZW, 0));
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shader_code_.push_back(0x40000000u);
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shader_code_.push_back(0x40000000u);
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shader_code_.push_back(0x3F800000u);
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shader_code_.push_back(0x3F800000u);
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shader_code_.push_back(EncodeVectorSwizzledOperand(
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D3D10_SB_OPERAND_TYPE_IMMEDIATE32, kSwizzleXYZW, 0));
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shader_code_.push_back(0xBF800000u);
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shader_code_.push_back(0xBF800000u);
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shader_code_.push_back(0);
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shader_code_.push_back(0);
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++stat_.instruction_count;
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++stat_.float_instruction_count;
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// Clamp the face index to 0...5 for safety (in case an offset was applied).
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// max reg.z, reg.z, l(0.0)
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shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_MAX) |
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ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(7));
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shader_code_.push_back(
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EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b0100, 1));
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shader_code_.push_back(reg);
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shader_code_.push_back(
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EncodeVectorSelectOperand(D3D10_SB_OPERAND_TYPE_TEMP, 2, 1));
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shader_code_.push_back(reg);
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shader_code_.push_back(
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EncodeScalarOperand(D3D10_SB_OPERAND_TYPE_IMMEDIATE32, 0));
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shader_code_.push_back(0);
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++stat_.instruction_count;
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++stat_.float_instruction_count;
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// min reg.z, reg.z, l(5.0)
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shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_MIN) |
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ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(7));
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shader_code_.push_back(
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EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b0100, 1));
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shader_code_.push_back(reg);
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shader_code_.push_back(
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EncodeVectorSelectOperand(D3D10_SB_OPERAND_TYPE_TEMP, 2, 1));
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shader_code_.push_back(reg);
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shader_code_.push_back(
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EncodeScalarOperand(D3D10_SB_OPERAND_TYPE_IMMEDIATE32, 0));
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shader_code_.push_back(0x40A00000);
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++stat_.instruction_count;
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++stat_.float_instruction_count;
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// Allocate a register for major axis info.
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uint32_t major_axis_temp = PushSystemTemp();
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// Convert the face index to an integer.
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// ftou major_axis_temp.x, reg.z
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shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_FTOU) |
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ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(5));
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shader_code_.push_back(
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EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b0001, 1));
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shader_code_.push_back(major_axis_temp);
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shader_code_.push_back(
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EncodeVectorSelectOperand(D3D10_SB_OPERAND_TYPE_TEMP, 2, 1));
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shader_code_.push_back(reg);
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++stat_.instruction_count;
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++stat_.conversion_instruction_count;
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// Split the face number into major axis number and direction.
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// ubfe major_axis_temp.x__w, l(2, _, _, 1), l(1, _, _, 0),
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// major_axis_temp.x__x
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shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D11_SB_OPCODE_UBFE) |
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ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(15));
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shader_code_.push_back(
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EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b1001, 1));
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shader_code_.push_back(major_axis_temp);
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shader_code_.push_back(EncodeVectorSwizzledOperand(
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D3D10_SB_OPERAND_TYPE_IMMEDIATE32, kSwizzleXYZW, 0));
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shader_code_.push_back(2);
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shader_code_.push_back(0);
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shader_code_.push_back(0);
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shader_code_.push_back(1);
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shader_code_.push_back(EncodeVectorSwizzledOperand(
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D3D10_SB_OPERAND_TYPE_IMMEDIATE32, kSwizzleXYZW, 0));
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shader_code_.push_back(1);
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shader_code_.push_back(0);
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shader_code_.push_back(0);
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shader_code_.push_back(0);
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shader_code_.push_back(
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EncodeVectorReplicatedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0, 1));
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shader_code_.push_back(major_axis_temp);
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++stat_.instruction_count;
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++stat_.uint_instruction_count;
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// Make booleans for whether each axis is major.
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// ieq major_axis_temp.xyz_, major_axis_temp.xxx_, l(0, 1, 2, _)
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shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_IEQ) |
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ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(10));
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shader_code_.push_back(
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EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b0111, 1));
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shader_code_.push_back(major_axis_temp);
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shader_code_.push_back(
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EncodeVectorReplicatedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0, 1));
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shader_code_.push_back(major_axis_temp);
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shader_code_.push_back(EncodeVectorSwizzledOperand(
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D3D10_SB_OPERAND_TYPE_IMMEDIATE32, kSwizzleXYZW, 0));
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shader_code_.push_back(0);
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shader_code_.push_back(1);
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shader_code_.push_back(2);
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shader_code_.push_back(0);
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++stat_.instruction_count;
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++stat_.int_instruction_count;
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// Replace the face index in the source/destination with 1.0 or -1.0 for
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// swizzling.
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// movc reg.z, major_axis_temp.w, l(-1.0), l(1.0)
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shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_MOVC) |
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ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(9));
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shader_code_.push_back(
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EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b0100, 1));
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shader_code_.push_back(reg);
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shader_code_.push_back(
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EncodeVectorSelectOperand(D3D10_SB_OPERAND_TYPE_TEMP, 3, 1));
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shader_code_.push_back(major_axis_temp);
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shader_code_.push_back(
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EncodeScalarOperand(D3D10_SB_OPERAND_TYPE_IMMEDIATE32, 0));
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shader_code_.push_back(0xBF800000u);
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shader_code_.push_back(
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EncodeScalarOperand(D3D10_SB_OPERAND_TYPE_IMMEDIATE32, 0));
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shader_code_.push_back(0x3F800000u);
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++stat_.instruction_count;
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++stat_.movc_instruction_count;
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// Swizzle and negate the coordinates depending on which axis is major, but
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// don't negate according to the direction of the major axis (will be done
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// later).
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// X case.
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// movc reg.xyz_, major_axis_temp.xxx_, reg.zyx_, reg.xyz_
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shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_MOVC) |
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ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(9));
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shader_code_.push_back(
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EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b0111, 1));
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shader_code_.push_back(reg);
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shader_code_.push_back(
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EncodeVectorReplicatedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0, 1));
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shader_code_.push_back(major_axis_temp);
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shader_code_.push_back(
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EncodeVectorSwizzledOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b11000110, 1));
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shader_code_.push_back(reg);
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shader_code_.push_back(
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EncodeVectorSwizzledOperand(D3D10_SB_OPERAND_TYPE_TEMP, kSwizzleXYZW, 1));
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shader_code_.push_back(reg);
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++stat_.instruction_count;
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++stat_.movc_instruction_count;
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// movc reg._yz_, major_axis_temp._xx_, -reg._yz_, reg._yz_
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shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_MOVC) |
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ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(10));
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shader_code_.push_back(
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EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b0110, 1));
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shader_code_.push_back(reg);
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shader_code_.push_back(
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EncodeVectorReplicatedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0, 1));
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shader_code_.push_back(major_axis_temp);
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shader_code_.push_back(
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EncodeVectorSwizzledOperand(D3D10_SB_OPERAND_TYPE_TEMP, kSwizzleXYZW, 1) |
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ENCODE_D3D10_SB_OPERAND_EXTENDED(1));
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shader_code_.push_back(
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ENCODE_D3D10_SB_EXTENDED_OPERAND_MODIFIER(D3D10_SB_OPERAND_MODIFIER_NEG));
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shader_code_.push_back(reg);
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shader_code_.push_back(
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EncodeVectorSwizzledOperand(D3D10_SB_OPERAND_TYPE_TEMP, kSwizzleXYZW, 1));
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shader_code_.push_back(reg);
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++stat_.instruction_count;
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++stat_.movc_instruction_count;
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// Y case.
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// movc reg._yz_, major_axis_temp._yy_, reg._zy_, reg._yz_
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shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_MOVC) |
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ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(9));
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shader_code_.push_back(
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EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b0110, 1));
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shader_code_.push_back(reg);
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shader_code_.push_back(
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EncodeVectorReplicatedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 1, 1));
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shader_code_.push_back(major_axis_temp);
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shader_code_.push_back(
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EncodeVectorSwizzledOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b11011000, 1));
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shader_code_.push_back(reg);
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shader_code_.push_back(
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EncodeVectorSwizzledOperand(D3D10_SB_OPERAND_TYPE_TEMP, kSwizzleXYZW, 1));
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shader_code_.push_back(reg);
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++stat_.instruction_count;
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++stat_.movc_instruction_count;
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// Z case.
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// movc reg.y, major_axis_temp.z, -reg.y, reg.y
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shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_MOVC) |
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ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(10));
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shader_code_.push_back(
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EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b0010, 1));
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shader_code_.push_back(reg);
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shader_code_.push_back(
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EncodeVectorSelectOperand(D3D10_SB_OPERAND_TYPE_TEMP, 2, 1));
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shader_code_.push_back(major_axis_temp);
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shader_code_.push_back(
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EncodeVectorSelectOperand(D3D10_SB_OPERAND_TYPE_TEMP, 1, 1) |
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ENCODE_D3D10_SB_OPERAND_EXTENDED(1));
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shader_code_.push_back(
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ENCODE_D3D10_SB_EXTENDED_OPERAND_MODIFIER(D3D10_SB_OPERAND_MODIFIER_NEG));
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shader_code_.push_back(reg);
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shader_code_.push_back(
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EncodeVectorSelectOperand(D3D10_SB_OPERAND_TYPE_TEMP, 1, 1));
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shader_code_.push_back(reg);
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++stat_.instruction_count;
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++stat_.movc_instruction_count;
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// Flip coordinates according to the direction of the major axis.
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// Z needs to be flipped if the major axis is X or Y, so make an X || Y mask.
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// X is flipped only when the major axis is Z.
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// or major_axis_temp.x, major_axis_temp.x, major_axis_temp.y
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shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_OR) |
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ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(7));
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shader_code_.push_back(
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EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b0001, 1));
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shader_code_.push_back(major_axis_temp);
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shader_code_.push_back(
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EncodeVectorSelectOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0, 1));
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shader_code_.push_back(major_axis_temp);
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shader_code_.push_back(
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EncodeVectorSelectOperand(D3D10_SB_OPERAND_TYPE_TEMP, 1, 1));
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shader_code_.push_back(major_axis_temp);
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++stat_.instruction_count;
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++stat_.uint_instruction_count;
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// If the major axis is positive, nothing needs to be flipped. We have
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// 0xFFFFFFFF/0 at this point in the major axis mask, but 1/0 in the major
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// axis direction (didn't include W in ieq to waste less scalar operations),
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// but AND would result in 1/0, which is fine for movc too.
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// and major_axis_temp.x_z_, major_axis_temp.x_z_, major_axis_temp.w_w_
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shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_AND) |
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ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(7));
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shader_code_.push_back(
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EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b0101, 1));
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shader_code_.push_back(major_axis_temp);
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shader_code_.push_back(
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EncodeVectorSwizzledOperand(D3D10_SB_OPERAND_TYPE_TEMP, kSwizzleXYZW, 1));
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shader_code_.push_back(major_axis_temp);
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shader_code_.push_back(
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EncodeVectorReplicatedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 3, 1));
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shader_code_.push_back(major_axis_temp);
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++stat_.instruction_count;
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++stat_.uint_instruction_count;
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// Flip axes that need to be flipped.
|
||||||
|
// movc reg.x_z_, major_axis_temp.z_x_, -reg.x_z_, reg.x_z_
|
||||||
|
shader_code_.push_back(ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_MOVC) |
|
||||||
|
ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(10));
|
||||||
|
shader_code_.push_back(
|
||||||
|
EncodeVectorMaskedOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b0101, 1));
|
||||||
|
shader_code_.push_back(reg);
|
||||||
|
shader_code_.push_back(
|
||||||
|
EncodeVectorSwizzledOperand(D3D10_SB_OPERAND_TYPE_TEMP, 0b11000110, 1));
|
||||||
|
shader_code_.push_back(major_axis_temp);
|
||||||
|
shader_code_.push_back(
|
||||||
|
EncodeVectorSwizzledOperand(D3D10_SB_OPERAND_TYPE_TEMP, kSwizzleXYZW, 1) |
|
||||||
|
ENCODE_D3D10_SB_OPERAND_EXTENDED(1));
|
||||||
|
shader_code_.push_back(
|
||||||
|
ENCODE_D3D10_SB_EXTENDED_OPERAND_MODIFIER(D3D10_SB_OPERAND_MODIFIER_NEG));
|
||||||
|
shader_code_.push_back(reg);
|
||||||
|
shader_code_.push_back(
|
||||||
|
EncodeVectorSwizzledOperand(D3D10_SB_OPERAND_TYPE_TEMP, kSwizzleXYZW, 1));
|
||||||
|
shader_code_.push_back(reg);
|
||||||
|
++stat_.instruction_count;
|
||||||
|
++stat_.movc_instruction_count;
|
||||||
|
|
||||||
|
// Release major_axis_temp.
|
||||||
|
PopSystemTemp();
|
||||||
|
}
|
||||||
|
|
||||||
void DxbcShaderTranslator::ProcessTextureFetchInstruction(
|
void DxbcShaderTranslator::ProcessTextureFetchInstruction(
|
||||||
const ParsedTextureFetchInstruction& instr) {
|
const ParsedTextureFetchInstruction& instr) {
|
||||||
CheckPredicate(instr.is_predicated, instr.predicate_condition);
|
CheckPredicate(instr.is_predicated, instr.predicate_condition);
|
||||||
|
|
@ -3351,21 +3655,40 @@ void DxbcShaderTranslator::ProcessTextureFetchInstruction(
|
||||||
// Put the array layer in W - Z * depth if the fetch uses normalized
|
// Put the array layer in W - Z * depth if the fetch uses normalized
|
||||||
// coordinates, and Z if it uses unnormalized.
|
// coordinates, and Z if it uses unnormalized.
|
||||||
if (instr.attributes.unnormalized_coordinates) {
|
if (instr.attributes.unnormalized_coordinates) {
|
||||||
shader_code_.push_back(
|
++stat_.instruction_count;
|
||||||
ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_MOV) |
|
if (offset_z != 0.0f) {
|
||||||
ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(5));
|
++stat_.float_instruction_count;
|
||||||
|
shader_code_.push_back(
|
||||||
|
ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_ADD) |
|
||||||
|
ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(7));
|
||||||
|
} else {
|
||||||
|
++stat_.mov_instruction_count;
|
||||||
|
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(
|
shader_code_.push_back(EncodeVectorMaskedOperand(
|
||||||
D3D10_SB_OPERAND_TYPE_TEMP, 0b1000, 1));
|
D3D10_SB_OPERAND_TYPE_TEMP, 0b1000, 1));
|
||||||
shader_code_.push_back(system_temp_pv_);
|
shader_code_.push_back(system_temp_pv_);
|
||||||
shader_code_.push_back(
|
shader_code_.push_back(
|
||||||
EncodeVectorSelectOperand(D3D10_SB_OPERAND_TYPE_TEMP, 2, 1));
|
EncodeVectorSelectOperand(D3D10_SB_OPERAND_TYPE_TEMP, 2, 1));
|
||||||
shader_code_.push_back(system_temp_pv_);
|
shader_code_.push_back(system_temp_pv_);
|
||||||
++stat_.instruction_count;
|
if (offset_z != 0.0f) {
|
||||||
++stat_.mov_instruction_count;
|
shader_code_.push_back(
|
||||||
|
EncodeScalarOperand(D3D10_SB_OPERAND_TYPE_IMMEDIATE32, 0));
|
||||||
|
shader_code_.push_back(
|
||||||
|
*reinterpret_cast<const uint32_t*>(&offset_x));
|
||||||
|
}
|
||||||
} else {
|
} else {
|
||||||
shader_code_.push_back(
|
if (offset_z != 0.0f) {
|
||||||
ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_MUL) |
|
shader_code_.push_back(
|
||||||
ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(7));
|
ENCODE_D3D10_SB_OPCODE_TYPE(D3D10_SB_OPCODE_MAD) |
|
||||||
|
ENCODE_D3D10_SB_TOKENIZED_INSTRUCTION_LENGTH(9));
|
||||||
|
} 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(
|
shader_code_.push_back(EncodeVectorMaskedOperand(
|
||||||
D3D10_SB_OPERAND_TYPE_TEMP, 0b1000, 1));
|
D3D10_SB_OPERAND_TYPE_TEMP, 0b1000, 1));
|
||||||
shader_code_.push_back(system_temp_pv_);
|
shader_code_.push_back(system_temp_pv_);
|
||||||
|
|
@ -3375,6 +3698,12 @@ void DxbcShaderTranslator::ProcessTextureFetchInstruction(
|
||||||
shader_code_.push_back(
|
shader_code_.push_back(
|
||||||
EncodeVectorSelectOperand(D3D10_SB_OPERAND_TYPE_TEMP, 2, 1));
|
EncodeVectorSelectOperand(D3D10_SB_OPERAND_TYPE_TEMP, 2, 1));
|
||||||
shader_code_.push_back(size_and_is_3d_temp);
|
shader_code_.push_back(size_and_is_3d_temp);
|
||||||
|
if (offset_z != 0.0f) {
|
||||||
|
shader_code_.push_back(
|
||||||
|
EncodeScalarOperand(D3D10_SB_OPERAND_TYPE_IMMEDIATE32, 0));
|
||||||
|
shader_code_.push_back(
|
||||||
|
*reinterpret_cast<const uint32_t*>(&offset_x));
|
||||||
|
}
|
||||||
++stat_.instruction_count;
|
++stat_.instruction_count;
|
||||||
++stat_.float_instruction_count;
|
++stat_.float_instruction_count;
|
||||||
}
|
}
|
||||||
|
|
@ -3459,7 +3788,14 @@ void DxbcShaderTranslator::ProcessTextureFetchInstruction(
|
||||||
++stat_.instruction_count;
|
++stat_.instruction_count;
|
||||||
++stat_.float_instruction_count;
|
++stat_.float_instruction_count;
|
||||||
} else {
|
} else {
|
||||||
// TODO(Triang3l): Revert the `cube` instruction.
|
if (instr.dimension == TextureDimension::kCube) {
|
||||||
|
// Convert cubemap coordinates passed as 2D array texture coordinates to
|
||||||
|
// a 3D direction. We can't use a 2D array to emulate cubemaps because
|
||||||
|
// at the edges, especially in pixel shader helper invocations, the
|
||||||
|
// major axis changes, causing S/T to jump between 0 and 1, breaking
|
||||||
|
// gradient calculation and causing the 1x1 mipmap to be sampled.
|
||||||
|
ArrayToCubeDirection(system_temp_pv_);
|
||||||
|
}
|
||||||
|
|
||||||
// tfetch1D/2D/Cube just fetch directly. tfetch3D needs to fetch either
|
// tfetch1D/2D/Cube just fetch directly. tfetch3D needs to fetch either
|
||||||
// the 3D texture or the 2D stacked texture, so two sample instructions
|
// the 3D texture or the 2D stacked texture, so two sample instructions
|
||||||
|
|
|
||||||
|
|
@ -363,6 +363,9 @@ class DxbcShaderTranslator : public ShaderTranslator {
|
||||||
TextureFilter min_filter,
|
TextureFilter min_filter,
|
||||||
TextureFilter mip_filter,
|
TextureFilter mip_filter,
|
||||||
AnisoFilter aniso_filter);
|
AnisoFilter aniso_filter);
|
||||||
|
// Converts (S, T, face index) in the specified temporary register to a 3D
|
||||||
|
// cubemap coordinate.
|
||||||
|
void ArrayToCubeDirection(uint32_t reg);
|
||||||
|
|
||||||
void ProcessVectorAluInstruction(const ParsedAluInstruction& instr);
|
void ProcessVectorAluInstruction(const ParsedAluInstruction& instr);
|
||||||
void ProcessScalarAluInstruction(const ParsedAluInstruction& instr);
|
void ProcessScalarAluInstruction(const ParsedAluInstruction& instr);
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue