Implement Bindless Handling on SetupTexture

src/video_core/engines/maxwell_3d.cpp

@@ -482,19 +482,8 @@ std::vector<Texture::FullTextureInfo> Maxwell3D::GetStageTextures(Regs::ShaderSt
     return textures;
 }
 
-Texture::FullTextureInfo Maxwell3D::GetStageTexture(Regs::ShaderStage stage,
+Texture::FullTextureInfo Maxwell3D::GetTextureInfo(const Texture::TextureHandle tex_handle,
-                                                    std::size_t offset) const {
+                                                   std::size_t offset) const {
-    auto& shader = state.shader_stages[static_cast<std::size_t>(stage)];
-    auto& tex_info_buffer = shader.const_buffers[regs.tex_cb_index];
-    ASSERT(tex_info_buffer.enabled && tex_info_buffer.address != 0);
-
-    const GPUVAddr tex_info_address =
-        tex_info_buffer.address + offset * sizeof(Texture::TextureHandle);
-
-    ASSERT(tex_info_address < tex_info_buffer.address + tex_info_buffer.size);
-
-    const Texture::TextureHandle tex_handle{memory_manager.Read<u32>(tex_info_address)};
-
     Texture::FullTextureInfo tex_info{};
     tex_info.index = static_cast<u32>(offset);
 
@@ -511,6 +500,22 @@ Texture::FullTextureInfo Maxwell3D::GetStageTexture(Regs::ShaderStage stage,
     return tex_info;
 }
 
+Texture::FullTextureInfo Maxwell3D::GetStageTexture(Regs::ShaderStage stage,
+                                                    std::size_t offset) const {
+    auto& shader = state.shader_stages[static_cast<std::size_t>(stage)];
+    auto& tex_info_buffer = shader.const_buffers[regs.tex_cb_index];
+    ASSERT(tex_info_buffer.enabled && tex_info_buffer.address != 0);
+
+    const GPUVAddr tex_info_address =
+        tex_info_buffer.address + offset * sizeof(Texture::TextureHandle);
+
+    ASSERT(tex_info_address < tex_info_buffer.address + tex_info_buffer.size);
+
+    const Texture::TextureHandle tex_handle{memory_manager.Read<u32>(tex_info_address)};
+
+    return GetTextureInfo(tex_handle, offset);
+}
+
 u32 Maxwell3D::GetRegisterValue(u32 method) const {
     ASSERT_MSG(method < Regs::NUM_REGS, "Invalid Maxwell3D register");
     return regs.reg_array[method];

src/video_core/engines/maxwell_3d.h

@@ -1131,6 +1131,10 @@ public:
     /// Write the value to the register identified by method.
     void CallMethod(const GPU::MethodCall& method_call);
 
+    /// Given a Texture Handle, returns the TSC and TIC entries.
+    Texture::FullTextureInfo GetTextureInfo(const Texture::TextureHandle tex_handle,
+                                            std::size_t offset) const;
+
     /// Returns a list of enabled textures for the specified shader stage.
     std::vector<Texture::FullTextureInfo> GetStageTextures(Regs::ShaderStage stage) const;
 

src/video_core/renderer_opengl/gl_rasterizer.cpp

@@ -985,7 +985,15 @@ void RasterizerOpenGL::SetupTextures(Maxwell::ShaderStage stage, const Shader& s
 
     for (u32 bindpoint = 0; bindpoint < entries.size(); ++bindpoint) {
         const auto& entry = entries[bindpoint];
-        const auto texture = maxwell3d.GetStageTexture(stage, entry.GetOffset());
+        Tegra::Texture::FullTextureInfo texture;
+        if (!entry.IsBindless()) {
+            texture = maxwell3d.GetStageTexture(stage, entry.GetOffset());
+        } else {
+            const auto cbuf = entry.GetBindlessCBuf();
+            Tegra::Texture::TextureHandle tex_handle;
+            tex_handle.raw = const_buffer_accessor.access32(stage, cbuf.first, cbuf.second);
+            texture = maxwell3d.GetTextureInfo(tex_handle, entry.GetOffset());
+        }
         const u32 current_bindpoint = base_bindings.sampler + bindpoint;
 
         texture_samplers[current_bindpoint].SyncWithConfig(texture.tsc);

src/video_core/shader/shader_ir.h

@@ -205,8 +205,8 @@ public:
     // Use this constructor for bindless Samplers
     explicit Sampler(u32 cbuf_index, u32 cbuf_offset, std::size_t index,
                      Tegra::Shader::TextureType type, bool is_array, bool is_shadow)
-        : offset{(static_cast<u64>(cbuf_index) << 32) | cbuf_offset}, index{index}, type{type}, is_array{is_array},
+        : offset{(static_cast<u64>(cbuf_index) << 32) | cbuf_offset}, index{index}, type{type},
-          is_shadow{is_shadow}, is_bindless{true} {}
+          is_array{is_array}, is_shadow{is_shadow}, is_bindless{true} {}
 
     // Use this only for serialization/deserialization
     explicit Sampler(std::size_t offset, std::size_t index, Tegra::Shader::TextureType type,
@@ -214,7 +214,6 @@ public:
         : offset{offset}, index{index}, type{type}, is_array{is_array}, is_shadow{is_shadow},
           is_bindless{is_bindless} {}
 
-
     std::size_t GetOffset() const {
         return offset;
     }
@@ -239,7 +238,7 @@ public:
         return is_bindless;
     }
 
-    std::pair<u32, u32> GetBindlessCBuf() {
+    std::pair<u32, u32> GetBindlessCBuf() const {
         return {offset >> 32, offset & 0x00000000FFFFFFFFULL};
     }