04d5c40d0d
Use the _xe suffix instead of the xesl_ prefix for quicker visual recognition of identifiers, also switch to snake_case for consistency. Also add the f suffix to float32 literals because the Metal Shading Language is based on C++.
83 lines
3.3 KiB
Plaintext
83 lines
3.3 KiB
Plaintext
/**
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******************************************************************************
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* Xenia : Xbox 360 Emulator Research Project *
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******************************************************************************
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* Copyright 2022 Ben Vanik. All rights reserved. *
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* Released under the BSD license - see LICENSE in the root for more details. *
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******************************************************************************
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*/
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#include "xesl.xesli"
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#include "amd_language.xesli"
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push_const_begin_xe(b0, space0)
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// 16 used by the vertex shader (GLSL push constant offsets are across
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// stages).
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block_offset_member_xe(16, c0.x, float2_xe,
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xe_fsr_easu_input_output_size_ratio)
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block_offset_member_xe(24, c0.z, float2_xe, xe_fsr_easu_input_size_inv)
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push_const_end_xe
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// FIXME(Triang3l): This approach doesn't work for MSL - the texture must be
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// passed explicitly from the entry point's arguments to FsrEasu#F.
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// Forward declaration because FsrEasu#F need xe_fsr_easu_source from the entry
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// point bindings.
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void FsrEasuF(out_param_xe(float3_xe, pixel), uint2_xe pixel_position,
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uint4_xe const0, uint4_xe const1, uint4_xe const2,
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uint4_xe const3);
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entry_outputs_begin_xe
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entry_out_target_xe(float4_xe, xe_fsr_easu_color, 0)
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entry_outputs_end_stage_inputs_begin_xe
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entry_stage_inputs_end_bindings_begin_pixel_xe
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push_const_binding_xe(buffer(0))
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entry_binding_next_xe
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texture_xe(texture_2d_xe, xe_fsr_easu_source, set=0, binding=0, t0, space0,
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texture(0))
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entry_binding_next_xe
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sampler_state_xe(xe_fsr_easu_sampler, set=0, binding=1, s0, space0,
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sampler(0))
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entry_bindings_end_inputs_begin_xe
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entry_in_pixel_coord_xe
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entry_inputs_end_code_begin_xe
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{
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// FsrEasuCon with smaller push constant usage.
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uint4_xe easu_const_0 =
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uint4_xe(
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float_bits_to_uint_xe(
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push_const_xe(xe_fsr_easu_input_output_size_ratio)),
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float_bits_to_uint_xe(
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0.5f * push_const_xe(xe_fsr_easu_input_output_size_ratio) -
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0.5f));
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uint4_xe easu_const_1 =
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float_bits_to_uint_xe(float4_xe(1.0f, 1.0f, 1.0f, -1.0f) *
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push_const_xe(xe_fsr_easu_input_size_inv).xyxy);
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uint4_xe easu_const_2 =
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float_bits_to_uint_xe(float4_xe(-1.0f, 2.0f, 1.0f, 2.0f) *
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push_const_xe(xe_fsr_easu_input_size_inv).xyxy);
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uint4_xe easu_const_3 = uint4_xe(
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float_bits_to_uint_xe(0.0f),
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float_bits_to_uint_xe(4.0f * push_const_xe(xe_fsr_easu_input_size_inv).y),
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0u, 0u);
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FsrEasuF(out_xe(xe_fsr_easu_color).rgb, uint2_xe(in_pixel_coord_xe.xy),
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easu_const_0, easu_const_1, easu_const_2, easu_const_3);
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out_xe(xe_fsr_easu_color).a = 1.0f;
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}
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entry_code_end_xe
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#define A_GPU 1
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#include "../../../../third_party/FidelityFX-FSR/ffx-fsr/ffx_a.h"
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#define FSR_EASU_F 1
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float4_xe FsrEasuRF(float2_xe p) {
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return gather_sep_2d_r_xe(xe_fsr_easu_source, xe_fsr_easu_sampler, p);
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}
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float4_xe FsrEasuGF(float2_xe p) {
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return gather_sep_2d_g_xe(xe_fsr_easu_source, xe_fsr_easu_sampler, p);
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}
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float4_xe FsrEasuBF(float2_xe p) {
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return gather_sep_2d_b_xe(xe_fsr_easu_source, xe_fsr_easu_sampler, p);
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}
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#include "../../../../third_party/FidelityFX-FSR/ffx-fsr/ffx_fsr1.h"
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