Shader_IR: allow lookup of texture samplers within the shader_ir for instructions that don't provide it

1 files changed, 18 insertions, 0 deletions

diff --git a/src/video_core/engines/kepler_compute.cpp b/src/video_core/engines/kepler_compute.cpp
index ba97c2894..6f00db1c1 100644
--- a/src/video_core/engines/kepler_compute.cpp
+++ b/src/video_core/engines/kepler_compute.cpp
@@ -78,6 +78,24 @@ u32 KeplerCompute::AccessConstBuffer32(ShaderType stage, u64 const_buffer, u64 o
     return result;
 }
 
+SamplerDescriptor KeplerCompute::AccessBoundSampler(ShaderType stage, u64 offset) const {
+    return AccessBindlessSampler(stage, regs.tex_cb_index, offset * sizeof(Texture::TextureHandle));
+}
+
+SamplerDescriptor KeplerCompute::AccessBindlessSampler(ShaderType stage, u64 const_buffer,
+                                                       u64 offset) const {
+    ASSERT(stage == ShaderType::Compute);
+    const auto& tex_info_buffer = launch_description.const_buffer_config[const_buffer];
+    const GPUVAddr tex_info_address =
+        tex_info_buffer.Address() + offset;
+
+    const Texture::TextureHandle tex_handle{memory_manager.Read<u32>(tex_info_address)};
+    const Texture::FullTextureInfo tex_info = GetTextureInfo(tex_handle, offset);
+    SamplerDescriptor result = SamplerDescriptor::FromTicTexture(tex_info.tic.texture_type.Value());
+    result.is_shadow.Assign(tex_info.tsc.depth_compare_enabled.Value());
+    return result;
+}
+
 void KeplerCompute::ProcessLaunch() {
     const GPUVAddr launch_desc_loc = regs.launch_desc_loc.Address();
     memory_manager.ReadBlockUnsafe(launch_desc_loc, &launch_description,