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CTextureBoo: Make use of anonymous namespace

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Makes some helper functions have internal linkage, silencing some
-Wmissing-declarations warnings, and also allows preventing ODR
violations from ever occurring with the RGBA8 and DXT1Block structs.
This commit is contained in:
Lioncash 2020-05-12 20:00:18 -04:00
parent bfbb027117
commit fee8d91dca
1 changed files with 20 additions and 18 deletions
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38
Runtime/Graphics/CTextureBoo.cpp
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@ -7,28 +7,43 @@
#include "Runtime/GameGlobalObjects.hpp" #include "Runtime/GameGlobalObjects.hpp"
namespace urde { namespace urde {
static logvisor::Module Log("urde::CTextureBoo"); namespace {
logvisor::Module Log("urde::CTextureBoo");
struct RGBA8 {
u8 r;
u8 g;
u8 b;
u8 a;
};
struct DXT1Block {
u16 color1;
u16 color2;
u8 lines[4];
};
/* GX uses this upsampling technique to extract full 8-bit range */ /* GX uses this upsampling technique to extract full 8-bit range */
constexpr uint8_t Convert3To8(uint8_t v) { constexpr u8 Convert3To8(u8 v) {
/* Swizzle bits: 00000123 -> 12312312 */ /* Swizzle bits: 00000123 -> 12312312 */
return (v << 5) | (v << 2) | (v >> 1); return (v << 5) | (v << 2) | (v >> 1);
} }
constexpr uint8_t Convert4To8(uint8_t v) { constexpr u8 Convert4To8(u8 v) {
/* Swizzle bits: 00001234 -> 12341234 */ /* Swizzle bits: 00001234 -> 12341234 */
return (v << 4) | v; return (v << 4) | v;
} }
constexpr uint8_t Convert5To8(uint8_t v) { constexpr u8 Convert5To8(u8 v) {
/* Swizzle bits: 00012345 -> 12345123 */ /* Swizzle bits: 00012345 -> 12345123 */
return (v << 3) | (v >> 2); return (v << 3) | (v >> 2);
} }
constexpr uint8_t Convert6To8(uint8_t v) { constexpr u8 Convert6To8(u8 v) {
/* Swizzle bits: 00123456 -> 12345612 */ /* Swizzle bits: 00123456 -> 12345612 */
return (v << 2) | (v >> 4); return (v << 2) | (v >> 4);
} }
} // Anonymous namespace
size_t CTexture::ComputeMippedTexelCount() const { size_t CTexture::ComputeMippedTexelCount() const {
size_t w = x4_w; size_t w = x4_w;
@ -58,13 +73,6 @@ size_t CTexture::ComputeMippedBlockCountDXT1() const {
return ret; return ret;
} }
struct RGBA8 {
u8 r;
u8 g;
u8 b;
u8 a;
};
void CTexture::BuildI4FromGCN(CInputStream& in) { void CTexture::BuildI4FromGCN(CInputStream& in) {
size_t texelCount = ComputeMippedTexelCount(); size_t texelCount = ComputeMippedTexelCount();
std::unique_ptr<RGBA8[]> buf(new RGBA8[texelCount]); std::unique_ptr<RGBA8[]> buf(new RGBA8[texelCount]);
@ -492,12 +500,6 @@ void CTexture::BuildRGBA8FromGCN(CInputStream& in) {
} BooTrace); } BooTrace);
} }
struct DXT1Block {
uint16_t color1;
uint16_t color2;
uint8_t lines[4];
};
void CTexture::BuildDXT1FromGCN(CInputStream& in) { void CTexture::BuildDXT1FromGCN(CInputStream& in) {
size_t blockCount = ComputeMippedBlockCountDXT1(); size_t blockCount = ComputeMippedBlockCountDXT1();
std::unique_ptr<DXT1Block[]> buf(new DXT1Block[blockCount]); std::unique_ptr<DXT1Block[]> buf(new DXT1Block[blockCount]);