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allow unbounded descriptor tables

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jacob 2025-06-19 18:00:56 -05:00
parent 9de72dceba
commit 92258b6f3e
4 changed files with 19 additions and 20 deletions
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13
res/sh/common.hlsl
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@ -1,18 +1,23 @@
#include "sh/sh_common.h"
#define DECL(t, n) t n : n
#define PI 3.14159265359
#define GOLDEN 1.61803398875
#define DECL(t, n) t n : n
#define NURI(i) NonUniformResourceIndex(i)
#if !SH_CPU
# define INLINE
#endif
/* Linear color from normalized sRGB */
float4 linear_from_srgb(float4 srgb)
INLINE float4 linear_from_srgb(float4 srgb)
{
return float4(pow(srgb.rgb, 2.2), srgb.a);
}
/* Linear color from R8G8B8A8 sRGB */
float4 linear_from_srgb32(uint srgb32)
INLINE float4 linear_from_srgb32(uint srgb32)
{
float4 res;
res.r = ((srgb32 >> 0) & 0xFF) / 255.0;

22
res/sh/material.hlsl
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@ -15,19 +15,11 @@
"addressW = TEXTURE_ADDRESS_CLAMP, " \
"maxAnisotropy = 1)"
cbuffer cbuff : register(b0)
{
struct sh_material_constants g_constants;
};
cbuffer cb : register(b0) { struct sh_material_constants g_constants; };
StructuredBuffer<struct sh_material_instance> g_instances : register(t0);
Texture2D g_texture : register(t1);
Texture2D g_textures[] : register(t1);
SamplerState g_sampler : register(s0);
/* TODO: Ensure `NonUniformResourceIndex` is used once bindless */
/* ========================== *
* Vertex shader
* ========================== */
@ -48,10 +40,10 @@ struct vs_output {
DECL(float4, SV_Position);
DECL(float2, uv);
DECL(float4, tint_lin);
DECL(uint, texture_nuri);
};
[RootSignature(ROOTSIG)]
struct vs_output vs(struct vs_input input)
SH_ENTRY(ROOTSIG) struct vs_output vs(struct vs_input input)
{
struct sh_material_instance instance = g_instances[g_constants.instance_offset + input.SV_InstanceID];
float2 vert = g_quad_verts[input.SV_VertexID];
@ -61,6 +53,7 @@ struct vs_output vs(struct vs_input input)
output.SV_Position = mul(g_constants.projection, float4(world_pos, 0, 1));
output.uv = instance.uv0 + ((vert + 0.5) * (instance.uv1 - instance.uv0));
output.tint_lin = linear_from_srgb32(instance.tint_srgb);
output.texture_nuri = instance.texture_nuri;
return output;
}
@ -76,10 +69,9 @@ struct ps_output {
DECL(float4, SV_Target);
};
[RootSignature(ROOTSIG)]
struct ps_output ps(struct ps_input input)
SH_ENTRY(ROOTSIG) struct ps_output ps(struct ps_input input)
{
struct ps_output output;
output.SV_Target = g_texture.Sample(g_sampler, input.vs.uv) * input.vs.tint_lin;
output.SV_Target = g_textures[NURI(input.vs.texture_nuri)].Sample(g_sampler, input.vs.uv) * input.vs.tint_lin;
return output;
}

2
res/sh/sh_common.h
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@ -7,6 +7,7 @@
#define SH_STRUCT(s) PACK(struct s)
#define SH_DECL(t, n) struct CAT(sh_, t) n
#define SH_ENTRY static /* For intellisense */
struct sh_uint { u32 v; };
INLINE struct sh_uint sh_uint_from_u32(u32 v)
@ -52,6 +53,7 @@ INLINE struct sh_float2x3 sh_float2x3_from_xform(struct xform v)
#define SH_STRUCT(s) struct s
#define SH_DECL(t, n) t n
# define SH_ENTRY(rootsig) [RootSignature(rootsig)]
#endif

2
src/gp_dx12.c
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@ -839,7 +839,7 @@ INTERNAL WORK_TASK_FUNC_DEF(shader_compile_task, comp_arg_raw)
if (resource_exists(shader_res)) {
struct dx12_include_handler *include_handler = dx12_include_handler_alloc(scratch.arena, pipeline);
u32 d3d_compile_flags = 0;
u32 d3d_compile_flags = D3DCOMPILE_ENABLE_UNBOUNDED_DESCRIPTOR_TABLES;
#if DX12_SHADER_DEBUG
d3d_compile_flags |= D3DCOMPILE_DEBUG | D3DCOMPILE_SKIP_OPTIMIZATION | D3DCOMPILE_ENABLE_STRICTNESS;
#else