mirror of https://github.com/AxioDL/metaforce.git
680 lines
21 KiB
C++
680 lines
21 KiB
C++
#include "CTexture.hpp"
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#include "CSimplePool.hpp"
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#include "CToken.hpp"
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#include "CGraphics.hpp"
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namespace pshag
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{
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/* GX uses this upsampling technique to prevent banding on downsampled texture formats */
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static inline uint8_t Convert3To8(uint8_t v)
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{
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/* Swizzle bits: 00000123 -> 12312312 */
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return (v << 5) | (v << 2) | (v >> 1);
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}
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static inline uint8_t Convert4To8(uint8_t v)
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{
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/* Swizzle bits: 00001234 -> 12341234 */
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return (v << 4) | v;
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}
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static inline uint8_t Convert5To8(uint8_t v)
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{
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/* Swizzle bits: 00012345 -> 12345123 */
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return (v << 3) | (v >> 2);
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}
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static inline uint8_t Convert6To8(uint8_t v)
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{
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/* Swizzle bits: 00123456 -> 12345612 */
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return (v << 2) | (v >> 4);
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}
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size_t CTexture::ComputeMippedTexelCount()
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{
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size_t w = x4_w;
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size_t h = x6_h;
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size_t ret = w * h;
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for (int i=x8_mips ; i>1 ; --i)
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{
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if (w > 1)
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w /= 2;
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if (h > 1)
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h /= 2;
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ret += w * h;
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}
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return ret;
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}
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size_t CTexture::ComputeMippedBlockCountDXT1()
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{
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size_t w = x4_w / 4;
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size_t h = x6_h / 4;
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size_t ret = w * h;
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for (int i=x8_mips ; i>1 ; --i)
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{
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if (w > 1)
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w /= 2;
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if (h > 1)
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h /= 2;
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ret += w * h;
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}
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return ret;
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}
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struct RGBA8
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{
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u8 r;
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u8 g;
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u8 b;
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u8 a;
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};
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void CTexture::BuildI4FromGCN(CInputStream& in)
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{
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size_t texelCount = ComputeMippedTexelCount();
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std::unique_ptr<RGBA8[]> buf(new RGBA8[texelCount]);
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int w = x4_w;
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int h = x6_h;
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RGBA8* targetMip = buf.get();
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for (int mip=0 ; mip<x8_mips ; ++mip)
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{
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int bwidth = (w + 7) / 8;
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int bheight = (h + 7) / 8;
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for (int by=0 ; by<bheight ; ++by)
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{
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int baseY = by * 8;
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for (int bx=0 ; bx<bwidth ; ++bx)
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{
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int baseX = bx * 8;
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for (int y=0 ; y<8 ; ++y)
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{
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RGBA8* target = targetMip + (baseY + y) * w + baseX;
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u8 source[4];
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in.readBytesToBuf(source, 4);
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for (int x=0 ; x<8 ; ++x)
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{
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target[x].r = Convert4To8(source[x/2] >> ((x&1)?0:4) & 0xf);
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target[x].g = target[x].r;
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target[x].b = target[x].r;
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target[x].a = target[x].r;
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}
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}
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}
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}
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targetMip += w * h;
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if (w > 1)
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w /= 2;
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if (h > 1)
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h /= 2;
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}
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m_booToken = CGraphics::g_BooFactory->newStaticTextureNoContext(x4_w, x6_h, x8_mips,
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boo::TextureFormat::RGBA8,
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buf.get(), texelCount * 4,
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reinterpret_cast<boo::ITextureS**>(&m_booTex));
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}
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void CTexture::BuildI8FromGCN(CInputStream& in)
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{
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size_t texelCount = ComputeMippedTexelCount();
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std::unique_ptr<RGBA8[]> buf(new RGBA8[texelCount]);
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int w = x4_w;
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int h = x6_h;
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RGBA8* targetMip = buf.get();
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for (int mip=0 ; mip<x8_mips ; ++mip)
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{
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int bwidth = (w + 7) / 8;
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int bheight = (h + 3) / 4;
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for (int by=0 ; by<bheight ; ++by)
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{
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int baseY = by * 4;
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for (int bx=0 ; bx<bwidth ; ++bx)
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{
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int baseX = bx * 8;
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for (int y=0 ; y<4 ; ++y)
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{
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RGBA8* target = targetMip + (baseY + y) * w + baseX;
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u8 source[8];
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in.readBytesToBuf(source, 8);
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for (int x=0 ; x<8 ; ++x)
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{
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target[x].r = source[x];
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target[x].g = source[x];
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target[x].b = source[x];
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target[x].a = source[x];
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}
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}
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}
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}
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targetMip += w * h;
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if (w > 1)
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w /= 2;
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if (h > 1)
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h /= 2;
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}
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m_booToken = CGraphics::g_BooFactory->newStaticTextureNoContext(x4_w, x6_h, x8_mips,
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boo::TextureFormat::RGBA8,
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buf.get(), texelCount * 4,
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reinterpret_cast<boo::ITextureS**>(&m_booTex));
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}
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void CTexture::BuildIA4FromGCN(CInputStream& in)
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{
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size_t texelCount = ComputeMippedTexelCount();
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std::unique_ptr<RGBA8[]> buf(new RGBA8[texelCount]);
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int w = x4_w;
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int h = x6_h;
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RGBA8* targetMip = buf.get();
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for (int mip=0 ; mip<x8_mips ; ++mip)
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{
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int bwidth = (w + 7) / 8;
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int bheight = (h + 3) / 4;
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for (int by=0 ; by<bheight ; ++by)
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{
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int baseY = by * 4;
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for (int bx=0 ; bx<bwidth ; ++bx)
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{
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int baseX = bx * 8;
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for (int y=0 ; y<4 ; ++y)
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{
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RGBA8* target = targetMip + (baseY + y) * w + baseX;
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u8 source[8];
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in.readBytesToBuf(source, 8);
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for (int x=0 ; x<8 ; ++x)
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{
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u8 intensity = Convert4To8(source[x] >> 4 & 0xf);
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target[x].r = intensity;
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target[x].g = intensity;
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target[x].b = intensity;
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target[x].a = Convert4To8(source[x] & 0xf);
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}
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}
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}
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}
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targetMip += w * h;
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if (w > 1)
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w /= 2;
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if (h > 1)
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h /= 2;
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}
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m_booToken = CGraphics::g_BooFactory->newStaticTextureNoContext(x4_w, x6_h, x8_mips,
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boo::TextureFormat::RGBA8,
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buf.get(), texelCount * 4,
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reinterpret_cast<boo::ITextureS**>(&m_booTex));
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}
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void CTexture::BuildIA8FromGCN(CInputStream& in)
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{
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size_t texelCount = ComputeMippedTexelCount();
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std::unique_ptr<RGBA8[]> buf(new RGBA8[texelCount]);
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int w = x4_w;
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int h = x6_h;
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RGBA8* targetMip = buf.get();
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for (int mip=0 ; mip<x8_mips ; ++mip)
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{
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int bwidth = (w + 3) / 4;
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int bheight = (h + 3) / 4;
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for (int by=0 ; by<bheight ; ++by)
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{
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int baseY = by * 4;
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for (int bx=0 ; bx<bwidth ; ++bx)
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{
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int baseX = bx * 4;
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for (int y=0 ; y<4 ; ++y)
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{
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RGBA8* target = targetMip + (baseY + y) * w + baseX;
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u16 source[4];
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in.readBytesToBuf(source, 8);
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for (int x=0 ; x<4 ; ++x)
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{
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u8 intensity = source[x] >> 8;
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target[x].r = intensity;
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target[x].g = intensity;
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target[x].b = intensity;
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target[x].a = source[x] & 0xff;
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}
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}
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}
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}
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targetMip += w * h;
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if (w > 1)
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w /= 2;
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if (h > 1)
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h /= 2;
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}
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m_booToken = CGraphics::g_BooFactory->newStaticTextureNoContext(x4_w, x6_h, x8_mips,
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boo::TextureFormat::RGBA8,
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buf.get(), texelCount * 4,
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reinterpret_cast<boo::ITextureS**>(&m_booTex));
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}
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static std::vector<RGBA8> DecodePalette(int numEntries, CInputStream& in)
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{
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std::vector<RGBA8> ret;
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ret.reserve(numEntries);
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enum class EPaletteType
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{
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IA8,
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RGB565,
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RGB5A3
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};
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EPaletteType format = EPaletteType(in.readUint32Big());
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in.readUint32Big();
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switch (format)
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{
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case EPaletteType::IA8:
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{
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for (int e=0 ; e<numEntries ; ++e)
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{
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u8 intensity = in.readUByte();
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u8 alpha = in.readUByte();
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ret.push_back({intensity, intensity, intensity, alpha});
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}
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break;
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}
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case EPaletteType::RGB565:
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{
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for (int e=0 ; e<numEntries ; ++e)
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{
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u16 texel = in.readUint16Big();
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ret.push_back({Convert5To8(texel >> 11 & 0x1f),
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Convert6To8(texel >> 5 & 0x3f),
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Convert5To8(texel & 0x1f),
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0xff});
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}
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break;
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}
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case EPaletteType::RGB5A3:
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{
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for (int e=0 ; e<numEntries ; ++e)
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{
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u16 texel = in.readUint16Big();
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if (texel & 0x8000)
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{
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ret.push_back({Convert5To8(texel >> 10 & 0x1f),
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Convert5To8(texel >> 5 & 0x1f),
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Convert5To8(texel & 0x1f),
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0xff});
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}
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else
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{
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ret.push_back({Convert4To8(texel >> 8 & 0xf),
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Convert4To8(texel >> 4 & 0xf),
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Convert4To8(texel & 0xf),
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Convert3To8(texel >> 12 & 0x7)});
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}
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}
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break;
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}
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}
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return ret;
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}
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void CTexture::BuildC4FromGCN(CInputStream& in)
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{
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size_t texelCount = ComputeMippedTexelCount();
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std::unique_ptr<RGBA8[]> buf(new RGBA8[texelCount]);
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std::vector<RGBA8> palette = DecodePalette(16, in);
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int w = x4_w;
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int h = x6_h;
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RGBA8* targetMip = buf.get();
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for (int mip=0 ; mip<x8_mips ; ++mip)
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{
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int bwidth = (w + 7) / 8;
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int bheight = (h + 7) / 8;
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for (int by=0 ; by<bheight ; ++by)
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{
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int baseY = by * 8;
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for (int bx=0 ; bx<bwidth ; ++bx)
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{
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int baseX = bx * 8;
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for (int y=0 ; y<8 ; ++y)
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{
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RGBA8* target = targetMip + (baseY + y) * w + baseX;
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u8 source[4];
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in.readBytesToBuf(source, 4);
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for (int x=0 ; x<8 ; ++x)
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target[x] = palette[source[x/2] >> ((x&1)?0:4) & 0xf];
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}
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}
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}
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targetMip += w * h;
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if (w > 1)
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w /= 2;
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if (h > 1)
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h /= 2;
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}
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m_booToken = CGraphics::g_BooFactory->newStaticTextureNoContext(x4_w, x6_h, x8_mips,
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boo::TextureFormat::RGBA8,
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buf.get(), texelCount * 4,
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reinterpret_cast<boo::ITextureS**>(&m_booTex));
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}
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void CTexture::BuildC8FromGCN(CInputStream& in)
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{
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size_t texelCount = ComputeMippedTexelCount();
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std::unique_ptr<RGBA8[]> buf(new RGBA8[texelCount]);
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std::vector<RGBA8> palette = DecodePalette(256, in);
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int w = x4_w;
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int h = x6_h;
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RGBA8* targetMip = buf.get();
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for (int mip=0 ; mip<x8_mips ; ++mip)
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{
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int bwidth = (w + 7) / 8;
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int bheight = (h + 3) / 4;
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for (int by=0 ; by<bheight ; ++by)
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{
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int baseY = by * 4;
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for (int bx=0 ; bx<bwidth ; ++bx)
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{
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int baseX = bx * 8;
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for (int y=0 ; y<4 ; ++y)
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{
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RGBA8* target = targetMip + (baseY + y) * w + baseX;
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u8 source[8];
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in.readBytesToBuf(source, 8);
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for (int x=0 ; x<8 ; ++x)
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target[x] = palette[source[x]];
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}
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}
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}
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targetMip += w * h;
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if (w > 1)
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w /= 2;
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if (h > 1)
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h /= 2;
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}
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m_booToken = CGraphics::g_BooFactory->newStaticTextureNoContext(x4_w, x6_h, x8_mips,
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boo::TextureFormat::RGBA8,
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buf.get(), texelCount * 4,
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reinterpret_cast<boo::ITextureS**>(&m_booTex));
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}
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void CTexture::BuildC14X2FromGCN(CInputStream& in)
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{
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}
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void CTexture::BuildRGB565FromGCN(CInputStream& in)
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{
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size_t texelCount = ComputeMippedTexelCount();
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std::unique_ptr<RGBA8[]> buf(new RGBA8[texelCount]);
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int w = x4_w;
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int h = x6_h;
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RGBA8* targetMip = buf.get();
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for (int mip=0 ; mip<x8_mips ; ++mip)
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{
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int bwidth = (w + 3) / 4;
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int bheight = (h + 3) / 4;
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for (int by=0 ; by<bheight ; ++by)
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{
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int baseY = by * 4;
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for (int bx=0 ; bx<bwidth ; ++bx)
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{
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int baseX = bx * 4;
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for (int y=0 ; y<4 ; ++y)
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{
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RGBA8* target = targetMip + (baseY + y) * w + baseX;
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for (int x=0 ; x<4 ; ++x)
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{
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u16 texel = in.readUint16Big();
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target[x].r = Convert5To8(texel >> 11 & 0x1f);
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target[x].g = Convert6To8(texel >> 5 & 0x3f);
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target[x].b = Convert5To8(texel & 0x1f);
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target[x].a = 0xff;
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}
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}
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}
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}
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targetMip += w * h;
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if (w > 1)
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w /= 2;
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if (h > 1)
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h /= 2;
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}
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m_booToken = CGraphics::g_BooFactory->newStaticTextureNoContext(x4_w, x6_h, x8_mips,
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boo::TextureFormat::RGBA8,
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buf.get(), texelCount * 4,
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reinterpret_cast<boo::ITextureS**>(&m_booTex));
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}
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void CTexture::BuildRGB5A3FromGCN(CInputStream& in)
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{
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size_t texelCount = ComputeMippedTexelCount();
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std::unique_ptr<RGBA8[]> buf(new RGBA8[texelCount]);
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int w = x4_w;
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int h = x6_h;
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RGBA8* targetMip = buf.get();
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for (int mip=0 ; mip<x8_mips ; ++mip)
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{
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int bwidth = (w + 3) / 4;
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int bheight = (h + 3) / 4;
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for (int by=0 ; by<bheight ; ++by)
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{
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int baseY = by * 4;
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for (int bx=0 ; bx<bwidth ; ++bx)
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{
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int baseX = bx * 4;
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for (int y=0 ; y<4 ; ++y)
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{
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RGBA8* target = targetMip + (baseY + y) * w + baseX;
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for (int x=0 ; x<4 ; ++x)
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{
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u16 texel = in.readUint16Big();
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if (texel & 0x8000)
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{
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target[x].r = Convert5To8(texel >> 10 & 0x1f);
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target[x].g = Convert5To8(texel >> 5 & 0x1f);
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target[x].b = Convert5To8(texel & 0x1f);
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target[x].a = 0xff;
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}
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else
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{
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target[x].r = Convert4To8(texel >> 8 & 0xf);
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target[x].g = Convert4To8(texel >> 4 & 0xf);
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target[x].b = Convert4To8(texel & 0xf);
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target[x].a = Convert3To8(texel >> 12 & 0x7);
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}
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}
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}
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}
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}
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targetMip += w * h;
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if (w > 1)
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w /= 2;
|
|
if (h > 1)
|
|
h /= 2;
|
|
}
|
|
|
|
m_booToken = CGraphics::g_BooFactory->newStaticTextureNoContext(x4_w, x6_h, x8_mips,
|
|
boo::TextureFormat::RGBA8,
|
|
buf.get(), texelCount * 4,
|
|
reinterpret_cast<boo::ITextureS**>(&m_booTex));
|
|
}
|
|
|
|
void CTexture::BuildRGBA8FromGCN(CInputStream& in)
|
|
{
|
|
size_t texelCount = ComputeMippedTexelCount();
|
|
std::unique_ptr<RGBA8[]> buf(new RGBA8[texelCount]);
|
|
|
|
int w = x4_w;
|
|
int h = x6_h;
|
|
RGBA8* targetMip = buf.get();
|
|
for (int mip=0 ; mip<x8_mips ; ++mip)
|
|
{
|
|
int bwidth = (w + 3) / 4;
|
|
int bheight = (h + 3) / 4;
|
|
for (int by=0 ; by<bheight ; ++by)
|
|
{
|
|
int baseY = by * 4;
|
|
for (int bx=0 ; bx<bwidth ; ++bx)
|
|
{
|
|
int baseX = bx * 4;
|
|
for (int c=0 ; c<2 ; ++c)
|
|
{
|
|
for (int y=0 ; y<4 ; ++y)
|
|
{
|
|
RGBA8* target = targetMip + (baseY + y) * w + baseX;
|
|
u8 source[8];
|
|
in.readBytesToBuf(source, 8);
|
|
for (int x=0 ; x<4 ; ++x)
|
|
{
|
|
if (c)
|
|
{
|
|
target[x].g = source[x*2];
|
|
target[x].b = source[x*2+1];
|
|
}
|
|
else
|
|
{
|
|
target[x].a = source[x*2];
|
|
target[x].r = source[x*2+1];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
targetMip += w * h;
|
|
if (w > 1)
|
|
w /= 2;
|
|
if (h > 1)
|
|
h /= 2;
|
|
}
|
|
|
|
m_booToken = CGraphics::g_BooFactory->newStaticTextureNoContext(x4_w, x6_h, x8_mips,
|
|
boo::TextureFormat::RGBA8,
|
|
buf.get(), texelCount * 4,
|
|
reinterpret_cast<boo::ITextureS**>(&m_booTex));
|
|
}
|
|
|
|
struct DXT1Block
|
|
{
|
|
uint16_t color1;
|
|
uint16_t color2;
|
|
uint8_t lines[4];
|
|
};
|
|
|
|
void CTexture::BuildDXT1FromGCN(CInputStream& in)
|
|
{
|
|
size_t blockCount = ComputeMippedBlockCountDXT1();
|
|
std::unique_ptr<DXT1Block[]> buf(new DXT1Block[blockCount]);
|
|
|
|
int w = x4_w / 4;
|
|
int h = x6_h / 4;
|
|
DXT1Block* targetMip = buf.get();
|
|
for (int mip=0 ; mip<x8_mips ; ++mip)
|
|
{
|
|
int bwidth = (w + 1) / 2;
|
|
int bheight = (h + 1) / 2;
|
|
for (int by=0 ; by<bheight ; ++by)
|
|
{
|
|
int baseY = by * 2;
|
|
for (int bx=0 ; bx<bwidth ; ++bx)
|
|
{
|
|
int baseX = bx * 2;
|
|
for (int y=0 ; y<2 ; ++y)
|
|
{
|
|
DXT1Block* target = targetMip + (baseY + y) * w + baseX;
|
|
DXT1Block source[2];
|
|
in.readBytesToBuf(source, 16);
|
|
for (int x=0 ; x<2 ; ++x)
|
|
{
|
|
target[x].color1 = HECL::SBig(source[x].color1);
|
|
target[x].color2 = HECL::SBig(source[x].color2);
|
|
target[x].lines[0] = source[x].lines[3];
|
|
target[x].lines[1] = source[x].lines[2];
|
|
target[x].lines[2] = source[x].lines[1];
|
|
target[x].lines[3] = source[x].lines[0];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
targetMip += w * h;
|
|
|
|
if (w > 1)
|
|
w /= 2;
|
|
if (h > 1)
|
|
h /= 2;
|
|
}
|
|
|
|
m_booToken = CGraphics::g_BooFactory->newStaticTextureNoContext(x4_w, x6_h, x8_mips,
|
|
boo::TextureFormat::DXT1,
|
|
buf.get(), blockCount * 8,
|
|
reinterpret_cast<boo::ITextureS**>(&m_booTex));
|
|
}
|
|
|
|
CTexture::CTexture(CInputStream& in)
|
|
{
|
|
x0_fmt = ETexelFormat(in.readUint32Big());
|
|
x4_w = in.readUint16Big();
|
|
x6_h = in.readUint16Big();
|
|
x8_mips = in.readUint32Big();
|
|
|
|
switch (x0_fmt)
|
|
{
|
|
case ETexelFormat::I4:
|
|
BuildI4FromGCN(in);
|
|
break;
|
|
case ETexelFormat::I8:
|
|
BuildI8FromGCN(in);
|
|
break;
|
|
case ETexelFormat::IA4:
|
|
BuildIA4FromGCN(in);
|
|
break;
|
|
case ETexelFormat::IA8:
|
|
BuildIA8FromGCN(in);
|
|
break;
|
|
case ETexelFormat::C4:
|
|
BuildC4FromGCN(in);
|
|
break;
|
|
case ETexelFormat::C8:
|
|
BuildC8FromGCN(in);
|
|
break;
|
|
case ETexelFormat::C14X2:
|
|
BuildC14X2FromGCN(in);
|
|
break;
|
|
case ETexelFormat::RGB565:
|
|
BuildRGB565FromGCN(in);
|
|
break;
|
|
case ETexelFormat::RGB5A3:
|
|
BuildRGB5A3FromGCN(in);
|
|
break;
|
|
case ETexelFormat::RGBA8:
|
|
BuildRGBA8FromGCN(in);
|
|
break;
|
|
case ETexelFormat::CMPR:
|
|
BuildDXT1FromGCN(in);
|
|
break;
|
|
}
|
|
}
|
|
|
|
void CTexture::Load(int slot, EClampMode clamp)
|
|
{
|
|
|
|
}
|
|
|
|
std::unique_ptr<IObj> FTextureFactory(const SObjectTag& tag, CInputStream& in, const CVParamTransfer& vparms)
|
|
{
|
|
return TToken<CTexture>::GetIObjObjectFor(std::make_unique<CTexture>(in));
|
|
}
|
|
|
|
}
|