Merge pull request #1539 from lioncash/const

video_core: Don't cast away const

src/video_core/command_processor.cpp

@@ -234,7 +234,7 @@ static void WritePicaReg(u32 id, u32 value, u32 mask) {
 
             const auto& index_info = regs.index_array;
             const u8* index_address_8 = Memory::GetPhysicalPointer(base_address + index_info.offset);
-            const u16* index_address_16 = (u16*)index_address_8;
+            const u16* index_address_16 = reinterpret_cast<const u16*>(index_address_8);
             bool index_u16 = index_info.format != 0;
 
 #if PICA_DUMP_GEOMETRY
@@ -345,10 +345,11 @@ static void WritePicaReg(u32 id, u32 value, u32 mask) {
                                         : (vertex_attribute_formats[i] == Regs::VertexAttributeFormat::SHORT) ? 2 : 1);
                                 }
 
-                                const float srcval = (vertex_attribute_formats[i] == Regs::VertexAttributeFormat::BYTE) ? *(s8*)srcdata :
-                                    (vertex_attribute_formats[i] == Regs::VertexAttributeFormat::UBYTE) ? *(u8*)srcdata :
-                                    (vertex_attribute_formats[i] == Regs::VertexAttributeFormat::SHORT) ? *(s16*)srcdata :
-                                    *(float*)srcdata;
+                                const float srcval =
+                                    (vertex_attribute_formats[i] == Regs::VertexAttributeFormat::BYTE)  ? *reinterpret_cast<const s8*>(srcdata) :
+                                    (vertex_attribute_formats[i] == Regs::VertexAttributeFormat::UBYTE) ? *reinterpret_cast<const u8*>(srcdata) :
+                                    (vertex_attribute_formats[i] == Regs::VertexAttributeFormat::SHORT) ? *reinterpret_cast<const s16*>(srcdata) :
+                                    *reinterpret_cast<const float*>(srcdata);
 
                                 input.attr[i][comp] = float24::FromFloat32(srcval);
                                 LOG_TRACE(HW_GPU, "Loaded component %x of attribute %x for vertex %x (index %x) from 0x%08x + 0x%08x + 0x%04x: %f",

src/video_core/debug_utils/debug_utils.cpp

@@ -117,13 +117,13 @@ void GeometryDumper::Dump() {
 void DumpShader(const std::string& filename, const Regs::ShaderConfig& config, const Shader::ShaderSetup& setup, const Regs::VSOutputAttributes* output_attributes)
 {
     struct StuffToWrite {
-        u8* pointer;
+        const u8* pointer;
         u32 size;
     };
     std::vector<StuffToWrite> writing_queue;
     u32 write_offset = 0;
 
-    auto QueueForWriting = [&writing_queue,&write_offset](u8* pointer, u32 size) {
+    auto QueueForWriting = [&writing_queue,&write_offset](const u8* pointer, u32 size) {
         writing_queue.push_back({pointer, size});
         u32 old_write_offset = write_offset;
         write_offset += size;
@@ -228,27 +228,27 @@ void DumpShader(const std::string& filename, const Regs::ShaderConfig& config, c
     DVLPHeader dvlp{ DVLPHeader::MAGIC_WORD };
     DVLEHeader dvle{ DVLEHeader::MAGIC_WORD };
 
-    QueueForWriting((u8*)&dvlb, sizeof(dvlb));
-    u32 dvlp_offset = QueueForWriting((u8*)&dvlp, sizeof(dvlp));
-    dvlb.dvle_offset = QueueForWriting((u8*)&dvle, sizeof(dvle));
+    QueueForWriting(reinterpret_cast<const u8*>(&dvlb), sizeof(dvlb));
+    u32 dvlp_offset = QueueForWriting(reinterpret_cast<const u8*>(&dvlp), sizeof(dvlp));
+    dvlb.dvle_offset = QueueForWriting(reinterpret_cast<const u8*>(&dvle), sizeof(dvle));
 
     // TODO: Reduce the amount of binary code written to relevant portions
     dvlp.binary_offset = write_offset - dvlp_offset;
     dvlp.binary_size_words = setup.program_code.size();
-    QueueForWriting((u8*)setup.program_code.data(), setup.program_code.size() * sizeof(u32));
+    QueueForWriting(reinterpret_cast<const u8*>(setup.program_code.data()), setup.program_code.size() * sizeof(u32));
 
     dvlp.swizzle_info_offset = write_offset - dvlp_offset;
     dvlp.swizzle_info_num_entries = setup.swizzle_data.size();
     u32 dummy = 0;
     for (unsigned int i = 0; i < setup.swizzle_data.size(); ++i) {
-        QueueForWriting((u8*)&setup.swizzle_data[i], sizeof(setup.swizzle_data[i]));
-        QueueForWriting((u8*)&dummy, sizeof(dummy));
+        QueueForWriting(reinterpret_cast<const u8*>(&setup.swizzle_data[i]), sizeof(setup.swizzle_data[i]));
+        QueueForWriting(reinterpret_cast<const u8*>(&dummy), sizeof(dummy));
     }
 
     dvle.main_offset_words = config.main_offset;
     dvle.output_register_table_offset = write_offset - dvlb.dvle_offset;
     dvle.output_register_table_size = static_cast<u32>(output_info_table.size());
-    QueueForWriting((u8*)output_info_table.data(), static_cast<u32>(output_info_table.size() * sizeof(OutputRegisterInfo)));
+    QueueForWriting(reinterpret_cast<const u8*>(output_info_table.data()), static_cast<u32>(output_info_table.size() * sizeof(OutputRegisterInfo)));
 
     // TODO: Create a label table for "main"
 
@@ -292,14 +292,14 @@ void DumpShader(const std::string& filename, const Regs::ShaderConfig& config, c
     dvle.constant_table_offset = write_offset - dvlb.dvle_offset;
     dvle.constant_table_size = constant_table.size();
     for (const auto& constant : constant_table) {
-        QueueForWriting((uint8_t*)&constant, sizeof(constant));
+        QueueForWriting(reinterpret_cast<const u8*>(&constant), sizeof(constant));
     }
 
     // Write data to file
     std::ofstream file(filename, std::ios_base::out | std::ios_base::binary);
 
-    for (auto& chunk : writing_queue) {
-        file.write((char*)chunk.pointer, chunk.size);
+    for (const auto& chunk : writing_queue) {
+        file.write(reinterpret_cast<const char*>(chunk.pointer), chunk.size);
     }
 }
 

src/video_core/shader/shader_interpreter.cpp

@@ -409,7 +409,7 @@ void RunInterpreter(UnitState<Debug>& state) {
         {
             if ((instr.opcode.Value().EffectiveOpCode() == OpCode::Id::MAD) ||
                 (instr.opcode.Value().EffectiveOpCode() == OpCode::Id::MADI)) {
-                const SwizzlePattern& swizzle = *(SwizzlePattern*)&swizzle_data[instr.mad.operand_desc_id];
+                const SwizzlePattern& swizzle = *reinterpret_cast<const SwizzlePattern*>(&swizzle_data[instr.mad.operand_desc_id]);
 
                 bool is_inverted = (instr.opcode.Value().EffectiveOpCode() == OpCode::Id::MADI);