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[XeSL] Metal Shading Language definitions

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Triang3l
2022-06-16 21:39:16 +03:00
parent 820b7ba217
commit 166be463be
176 changed files with 83740 additions and 83682 deletions
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55
src/xenia/ui/shaders/guest_output_ffx_cas_sharpen.xesli
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@@ -15,59 +15,72 @@
#include "dither_8bpc.xesli"
#endif // XE_GUEST_OUTPUT_DITHER
xesl_push_constants_begin(b0, space0)
xesl_pushConstants_begin(b0, space0)
// 16 used by the vertex shader (GLSL push constant offsets are across
// stages).
xesl_block_offset_member(16, c0.x, xesl_int2, xe_cas_output_offset)
// CasSetup const1.x.
xesl_block_offset_member(24, c0.z, float, xe_cas_sharpness_post_setup)
xesl_push_constants_end
xesl_pushConstants_end
// FIXME(Triang3l): This approach doesn't work for MSL - the texture must be
// passed explicitly from the entry point's arguments to CasLoad.
// Forward declaration because CasLoad needs xe_cas_source from the entry point
// bindings.
void CasFilter(out float pixel_r, out float pixel_g, out float pixel_b,
void CasFilter(xesl_function_param_out(float, pixel_r),
xesl_function_param_out(float, pixel_g),
xesl_function_param_out(float, pixel_b),
xesl_uint2 pixel_position, xesl_uint4 const0, xesl_uint4 const1,
bool no_scaling);
xesl_entry
xesl_texture(xesl_texture2D, xe_cas_source, set=0, binding=0, t0, space0)
xesl_entry_bindings_end
xesl_input_frag_coord
xesl_entry_signature_next
xesl_output_color(xesl_float4, xe_cas_color, 0)
xesl_entry_signature_end
xesl_entry_outputs_begin
xesl_entry_output_target(xesl_float4, xe_cas_color, 0)
xesl_entry_outputs_end_stageInputs_begin
xesl_entry_stageInputs_end_bindings_begin_pixel
xesl_pushConstants_binding(buffer(0))
xesl_entry_binding_next
xesl_texture(xesl_texture2D, xe_cas_source, set=0, binding=0, t0, space0,
texture(0))
xesl_entry_bindings_end_inputs_begin
xesl_entry_input_fragCoord
xesl_entry_inputs_end_code_begin
xesl_uint2 pixel_coord =
xesl_uint2(xesl_int2(xesl_FragCoord.xy) -
xesl_push_constant(xe_cas_output_offset));
xesl_pushConstant(xe_cas_output_offset));
// CasSetup with smaller push constants usage.
xesl_uint4 cas_const_0 =
xesl_floatBitsToUint(xesl_float4(1.0, 1.0, 0.0, 0.0));
xesl_uint4 cas_const_1 =
xesl_uint4(
xesl_floatBitsToUint(xesl_push_constant(xe_cas_sharpness_post_setup)),
xesl_floatBitsToUint(xesl_pushConstant(xe_cas_sharpness_post_setup)),
xesl_packHalf2x16(xesl_float2(
xesl_push_constant(xe_cas_sharpness_post_setup), 0.0)),
xesl_pushConstant(xe_cas_sharpness_post_setup), 0.0)),
xesl_floatBitsToUint(8.0), 0u);
CasFilter(xe_cas_color.r, xe_cas_color.g, xe_cas_color.b, pixel_coord,
cas_const_0, cas_const_1, true);
xesl_float4 cas_color;
CasFilter(cas_color.r, cas_color.g, cas_color.b, pixel_coord, cas_const_0,
cas_const_1, true);
// Linear conversion approximation as recommended in the CAS presentation.
xe_cas_color.rgb = sqrt(xe_cas_color.rgb);
cas_color.rgb = sqrt(cas_color.rgb);
#if XE_GUEST_OUTPUT_DITHER
// Clamping because on Vulkan, the surface may specify any format, including
// floating-point.
xe_cas_color.rgb =
xesl_saturate(xe_cas_color.rgb + XeDitherOffset8bpc(pixel_coord));
cas_color.rgb =
xesl_saturate(cas_color.rgb + XeDitherOffset8bpc(pixel_coord));
#endif // XE_GUEST_OUTPUT_DITHER
// Force alpha to 1 to make sure the surface won't be translucent.
xe_cas_color.a = 1.0;
xesl_entry_end
cas_color.a = 1.0;
xesl_Output(xe_cas_color) = cas_color;
xesl_entry_code_end
#define A_GPU 1
#include "../../../../third_party/FidelityFX-CAS/ffx-cas/ffx_a.h"
xesl_float3 CasLoad(xesl_int2 p) {
return xesl_texelFetch2D(xe_cas_source, p, 0).rgb;
}
void CasInput(inout float r, inout float g, inout float b) {
void CasInput(xesl_function_param_inout(float, r),
xesl_function_param_inout(float, g),
xesl_function_param_inout(float, b)) {
// Linear conversion approximation as recommended in the CAS presentation.
r *= r;
g *= g;