video_core: Assert on invalid GPU to CPU address queries

3 files changed, 9 insertions, 4 deletions

diff --git a/src/video_core/renderer_opengl/gl_buffer_cache.cpp b/src/video_core/renderer_opengl/gl_buffer_cache.cpp
index bd2b30e77..b3062e5ba 100644
--- a/src/video_core/renderer_opengl/gl_buffer_cache.cpp
+++ b/src/video_core/renderer_opengl/gl_buffer_cache.cpp
@@ -19,7 +19,8 @@ OGLBufferCache::OGLBufferCache(RasterizerOpenGL& rasterizer, std::size_t size)
 GLintptr OGLBufferCache::UploadMemory(Tegra::GPUVAddr gpu_addr, std::size_t size,
                                       std::size_t alignment, bool cache) {
     auto& memory_manager = Core::System::GetInstance().GPU().MemoryManager();
-    const std::optional<VAddr> cpu_addr{memory_manager.GpuToCpuAddress(gpu_addr)};
+    const auto cpu_addr{memory_manager.GpuToCpuAddress(gpu_addr)};
+    ASSERT_MSG(cpu_addr, "Invalid GPU address");
 
     // Cache management is a big overhead, so only cache entries with a given size.
     // TODO: Figure out which size is the best for given games.
diff --git a/src/video_core/renderer_opengl/gl_primitive_assembler.cpp b/src/video_core/renderer_opengl/gl_primitive_assembler.cpp
index d9ed08437..77d5cedd2 100644
--- a/src/video_core/renderer_opengl/gl_primitive_assembler.cpp
+++ b/src/video_core/renderer_opengl/gl_primitive_assembler.cpp
@@ -46,7 +46,9 @@ GLintptr PrimitiveAssembler::MakeQuadIndexed(Tegra::GPUVAddr gpu_addr, std::size
     auto [dst_pointer, index_offset] = buffer_cache.ReserveMemory(map_size);
 
     auto& memory_manager = Core::System::GetInstance().GPU().MemoryManager();
-    const std::optional<VAddr> cpu_addr{memory_manager.GpuToCpuAddress(gpu_addr)};
+    const auto cpu_addr{memory_manager.GpuToCpuAddress(gpu_addr)};
+    ASSERT_MSG(cpu_addr, "Invalid GPU address");
+
     const u8* source{Memory::GetPointer(*cpu_addr)};
 
     for (u32 primitive = 0; primitive < count / 4; ++primitive) {
diff --git a/src/video_core/renderer_opengl/gl_shader_cache.cpp b/src/video_core/renderer_opengl/gl_shader_cache.cpp
index 90eda7814..6174f7074 100644
--- a/src/video_core/renderer_opengl/gl_shader_cache.cpp
+++ b/src/video_core/renderer_opengl/gl_shader_cache.cpp
@@ -23,8 +23,10 @@ using VideoCommon::Shader::ProgramCode;
 static VAddr GetShaderAddress(Maxwell::ShaderProgram program) {
     const auto& gpu = Core::System::GetInstance().GPU().Maxwell3D();
     const auto& shader_config = gpu.regs.shader_config[static_cast<std::size_t>(program)];
-    return *gpu.memory_manager.GpuToCpuAddress(gpu.regs.code_address.CodeAddress() +
-                                               shader_config.offset);
+    const auto address = gpu.memory_manager.GpuToCpuAddress(gpu.regs.code_address.CodeAddress() +
+                                                            shader_config.offset);
+    ASSERT_MSG(address, "Invalid GPU address");
+    return *address;
 }
 
 /// Gets the shader program code from memory for the specified address