GPU: Implement guest driver profile and deduce texture handler sizes.

src/video_core/engines/const_buffer_engine_interface.h

@@ -9,6 +9,7 @@
 #include "common/common_types.h"
 #include "video_core/engines/shader_bytecode.h"
 #include "video_core/engines/shader_type.h"
+#include "video_core/guest_driver.h"
 #include "video_core/textures/texture.h"
 
 namespace Tegra::Engines {
@@ -106,6 +107,8 @@ public:
     virtual SamplerDescriptor AccessBindlessSampler(ShaderType stage, u64 const_buffer,
                                                     u64 offset) const = 0;
     virtual u32 GetBoundBuffer() const = 0;
+
+    virtual VideoCore::GuestDriverProfile& AccessGuestDriverProfile() = 0;
 };
 
 } // namespace Tegra::Engines

src/video_core/engines/kepler_compute.cpp

@@ -94,6 +94,10 @@ SamplerDescriptor KeplerCompute::AccessBindlessSampler(ShaderType stage, u64 con
     return result;
 }
 
+VideoCore::GuestDriverProfile& KeplerCompute::AccessGuestDriverProfile() {
+    return rasterizer.AccessGuestDriverProfile();
+}
+
 void KeplerCompute::ProcessLaunch() {
     const GPUVAddr launch_desc_loc = regs.launch_desc_loc.Address();
     memory_manager.ReadBlockUnsafe(launch_desc_loc, &launch_description,

src/video_core/engines/kepler_compute.h

@@ -218,6 +218,8 @@ public:
         return regs.tex_cb_index;
     }
 
+    VideoCore::GuestDriverProfile& AccessGuestDriverProfile() override;
+
 private:
     Core::System& system;
     VideoCore::RasterizerInterface& rasterizer;

src/video_core/engines/maxwell_3d.cpp

@@ -784,4 +784,8 @@ SamplerDescriptor Maxwell3D::AccessBindlessSampler(ShaderType stage, u64 const_b
     return result;
 }
 
+VideoCore::GuestDriverProfile& Maxwell3D::AccessGuestDriverProfile() {
+    return rasterizer.AccessGuestDriverProfile();
+}
+
 } // namespace Tegra::Engines

src/video_core/engines/maxwell_3d.h

@@ -1306,6 +1306,8 @@ public:
         return regs.tex_cb_index;
     }
 
+    VideoCore::GuestDriverProfile& AccessGuestDriverProfile() override;
+
     /// Memory for macro code - it's undetermined how big this is, however 1MB is much larger than
     /// we've seen used.
     using MacroMemory = std::array<u32, 0x40000>;