[GPU] Misc GCC build fixes

src/xenia/gpu/dxbc.h

@@ -973,7 +973,7 @@ struct Src : OperandAddress {
 
   // For creating instances for use in declarations.
   struct DclT {};
-  static constexpr DclT Dcl;
+  static constexpr DclT Dcl = {};
 
   static Src R(uint32_t index, uint32_t swizzle = kXYZW) {
     return Src(OperandType::kTemp, swizzle, index);

src/xenia/gpu/render_target_cache.h

@@ -230,8 +230,8 @@ class RenderTargetCache {
     };
     uint32_t key = 0;
     struct Hasher {
-      size_t operator()(const RenderTargetKey& key) const {
-        return std::hash<uint32_t>{}(key.key);
+      size_t operator()(const RenderTargetKey& render_target_key) const {
+        return std::hash<uint32_t>{}(render_target_key.key);
       }
     };
     bool operator==(const RenderTargetKey& other_key) const {

src/xenia/gpu/texture_info.cc

@@ -78,14 +78,6 @@ bool TextureInfo::Prepare(const xe_gpu_texture_fetch_t& fetch,
   info.is_tiled = fetch.tiled;
   info.has_packed_mips = fetch.packed_mips;
 
-  if (info.format_info()->format == xenos::TextureFormat::kUnknown) {
-    XELOGE("Attempting to fetch from unsupported texture format {}",
-           info.format);
-    info.memory.base_address = fetch.base_address << 12;
-    info.memory.mip_address = fetch.mip_address << 12;
-    return false;
-  }
-
   info.extent = TextureExtent::Calculate(out_info, true);
   info.SetupMemoryInfo(fetch.base_address << 12, fetch.mip_address << 12);
 
@@ -125,12 +117,6 @@ bool TextureInfo::PrepareResolve(uint32_t physical_address,
   info.is_tiled = true;
   info.has_packed_mips = false;
 
-  if (info.format_info()->format == xenos::TextureFormat::kUnknown) {
-    assert_true("Unsupported texture format");
-    info.memory.base_address = physical_address;
-    return false;
-  }
-
   info.extent = TextureExtent::Calculate(out_info, true);
   info.SetupMemoryInfo(physical_address, 0);
   return true;

src/xenia/gpu/texture_info.h

@@ -99,37 +99,6 @@ inline xenos::TextureFormat ColorFormatToTextureFormat(
   return static_cast<xenos::TextureFormat>(color_format);
 }
 
-inline xenos::TextureFormat ColorRenderTargetToTextureFormat(
-    xenos::ColorRenderTargetFormat color_format) {
-  switch (color_format) {
-    case xenos::ColorRenderTargetFormat::k_8_8_8_8:
-      return xenos::TextureFormat::k_8_8_8_8;
-    case xenos::ColorRenderTargetFormat::k_8_8_8_8_GAMMA:
-      return xenos::TextureFormat::k_8_8_8_8_GAMMA_EDRAM;
-    case xenos::ColorRenderTargetFormat::k_2_10_10_10:
-    case xenos::ColorRenderTargetFormat::k_2_10_10_10_AS_10_10_10_10:
-      return xenos::TextureFormat::k_2_10_10_10;
-    case xenos::ColorRenderTargetFormat::k_2_10_10_10_FLOAT:
-    case xenos::ColorRenderTargetFormat::k_2_10_10_10_FLOAT_AS_16_16_16_16:
-      return xenos::TextureFormat::k_2_10_10_10_FLOAT_EDRAM;
-    case xenos::ColorRenderTargetFormat::k_16_16:
-      return xenos::TextureFormat::k_16_16_EDRAM;
-    case xenos::ColorRenderTargetFormat::k_16_16_16_16:
-      return xenos::TextureFormat::k_16_16_16_16_EDRAM;
-    case xenos::ColorRenderTargetFormat::k_16_16_FLOAT:
-      return xenos::TextureFormat::k_16_16_FLOAT;
-    case xenos::ColorRenderTargetFormat::k_16_16_16_16_FLOAT:
-      return xenos::TextureFormat::k_16_16_16_16_FLOAT;
-    case xenos::ColorRenderTargetFormat::k_32_FLOAT:
-      return xenos::TextureFormat::k_32_FLOAT;
-    case xenos::ColorRenderTargetFormat::k_32_32_FLOAT:
-      return xenos::TextureFormat::k_32_32_FLOAT;
-    default:
-      assert_unhandled_case(color_format);
-      return xenos::TextureFormat::kUnknown;
-  }
-}
-
 inline xenos::TextureFormat DepthRenderTargetToTextureFormat(
     xenos::DepthRenderTargetFormat depth_format) {
   switch (depth_format) {
@@ -139,7 +108,7 @@ inline xenos::TextureFormat DepthRenderTargetToTextureFormat(
       return xenos::TextureFormat::k_24_8_FLOAT;
     default:
       assert_unhandled_case(depth_format);
-      return xenos::TextureFormat::kUnknown;
+      return xenos::TextureFormat(~0);
   }
 }
 

src/xenia/gpu/xenos.h

@@ -479,8 +479,6 @@ enum class TextureFormat : uint32_t {
   k_DXT3A_AS_1_1_1_1 = 61,
   k_8_8_8_8_GAMMA_EDRAM = 62,
   k_2_10_10_10_FLOAT_EDRAM = 63,
-
-  kUnknown = 0xFFFFFFFFu,
 };
 
 // Subset of a2xx_sq_surfaceformat - formats that RTs can be resolved to.