mirror of https://github.com/sm64pc/sm64pc.git
286 lines
9.4 KiB
C++
286 lines
9.4 KiB
C++
#include "dynos.cpp.h"
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extern "C" {
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#include "pc/gfx/gfx_rendering_api.h"
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}
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//
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// Conversion
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//
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#define SCALE_5_8(VAL_) (((VAL_) * 0xFF) / 0x1F)
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#define SCALE_8_5(VAL_) ((((VAL_) + 4) * 0x1F) / 0xFF)
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#define SCALE_4_8(VAL_) ((VAL_) * 0x11)
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#define SCALE_8_4(VAL_) ((VAL_) / 0x11)
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#define SCALE_3_8(VAL_) ((VAL_) * 0x24)
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#define SCALE_8_3(VAL_) ((VAL_) / 0x24)
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static u8 *RGBA16_RGBA32(const u8 *aData, u64 aLength) {
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u8 *_Buffer = New<u8>(aLength * 2);
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u8 *pBuffer = _Buffer;
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for (u64 i = 0; i != aLength; i += 2) {
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u16 _Col = (aData[i + 0] << 8) | aData[i + 1];
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u8 _Red = (_Col >> 11) & 0x1F;
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u8 _Grn = (_Col >> 6) & 0x1F;
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u8 _Blu = (_Col >> 1) & 0x1F;
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u8 _Alp = (_Col >> 0) & 0x01;
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*(pBuffer++) = (SCALE_5_8(_Red));
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*(pBuffer++) = (SCALE_5_8(_Grn));
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*(pBuffer++) = (SCALE_5_8(_Blu));
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*(pBuffer++) = (0xFF * (_Alp));
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}
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return _Buffer;
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}
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static u8 *RGBA32_RGBA32(const u8 *aData, u64 aLength) {
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u8 *_Buffer = New<u8>(aLength * 1);
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memcpy(_Buffer, aData, aLength);
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return _Buffer;
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}
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static u8 *IA4_RGBA32(const u8 *aData, u64 aLength) {
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u8 *_Buffer = New<u8>(aLength * 8);
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u8 *pBuffer = _Buffer;
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for (u64 i = 0; i != aLength; ++i) {
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u8 _Half0 = (aData[i] >> 4) & 0xF;
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*(pBuffer++) = (SCALE_3_8(_Half0 >> 1));
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*(pBuffer++) = (SCALE_3_8(_Half0 >> 1));
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*(pBuffer++) = (SCALE_3_8(_Half0 >> 1));
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*(pBuffer++) = (0xFF * (_Half0 & 1));
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u8 _Half1 = (aData[i] >> 0) & 0xF;
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*(pBuffer++) = (SCALE_3_8(_Half1 >> 1));
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*(pBuffer++) = (SCALE_3_8(_Half1 >> 1));
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*(pBuffer++) = (SCALE_3_8(_Half1 >> 1));
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*(pBuffer++) = (0xFF * (_Half1 & 1));
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}
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return _Buffer;
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}
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static u8 *IA8_RGBA32(const u8 *aData, u64 aLength) {
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u8 *_Buffer = New<u8>(aLength * 4);
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u8 *pBuffer = _Buffer;
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for (u64 i = 0; i != aLength; ++i) {
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u8 _Col = (aData[i] >> 4) & 0xF;
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u8 _Alp = (aData[i] >> 0) & 0xF;
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*(pBuffer++) = (SCALE_4_8(_Col));
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*(pBuffer++) = (SCALE_4_8(_Col));
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*(pBuffer++) = (SCALE_4_8(_Col));
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*(pBuffer++) = (SCALE_4_8(_Alp));
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}
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return _Buffer;
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}
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static u8 *IA16_RGBA32(const u8 *aData, u64 aLength) {
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u8 *_Buffer = New<u8>(aLength * 2);
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u8 *pBuffer = _Buffer;
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for (u64 i = 0; i != aLength; i += 2) {
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u8 _Col = aData[i + 0];
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u8 _Alp = aData[i + 1];
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*(pBuffer++) = (_Col);
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*(pBuffer++) = (_Col);
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*(pBuffer++) = (_Col);
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*(pBuffer++) = (_Alp);
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}
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return _Buffer;
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}
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static u8 *CI4_RGBA32(const u8 *aData, u64 aLength, const u8 *aPalette) {
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u8 *_Buffer = New<u8>(aLength * 8);
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u8 *pBuffer = _Buffer;
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for (u64 i = 0; i != aLength; ++i) {
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u8 _Idx0 = (aData[i] >> 4) & 0xF;
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u16 _Col0 = (aPalette[_Idx0 * 2 + 0] << 8) | aPalette[_Idx0 * 2 + 1];
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u8 _Red0 = (_Col0 >> 11) & 0x1F;
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u8 _Grn0 = (_Col0 >> 6) & 0x1F;
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u8 _Blu0 = (_Col0 >> 1) & 0x1F;
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u8 _Alp0 = (_Col0 >> 0) & 0x01;
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*(pBuffer++) = (SCALE_5_8(_Red0));
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*(pBuffer++) = (SCALE_5_8(_Grn0));
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*(pBuffer++) = (SCALE_5_8(_Blu0));
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*(pBuffer++) = (0xFF * (_Alp0));
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u8 _Idx1 = (aData[i] >> 0) & 0xF;
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u16 _Col1 = (aPalette[_Idx1 * 2 + 0] << 8) | aPalette[_Idx1 * 2 + 1];
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u8 _Red1 = (_Col1 >> 11) & 0x1F;
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u8 _Grn1 = (_Col1 >> 6) & 0x1F;
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u8 _Blu1 = (_Col1 >> 1) & 0x1F;
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u8 _Alp1 = (_Col1 >> 0) & 0x01;
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*(pBuffer++) = (SCALE_5_8(_Red1));
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*(pBuffer++) = (SCALE_5_8(_Grn1));
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*(pBuffer++) = (SCALE_5_8(_Blu1));
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*(pBuffer++) = (0xFF * (_Alp1));
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}
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return _Buffer;
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}
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static u8 *CI8_RGBA32(const u8 *aData, u64 aLength, const u8 *aPalette) {
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u8 *_Buffer = New<u8>(aLength * 4);
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u8 *pBuffer = _Buffer;
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for (u64 i = 0; i != aLength; ++i) {
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u8 _Idx = aData[i];
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u16 _Col = (aPalette[_Idx * 2 + 0] << 8) | aPalette[_Idx * 2 + 1];
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u8 _Red = (_Col >> 11) & 0x1F;
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u8 _Grn = (_Col >> 6) & 0x1F;
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u8 _Blu = (_Col >> 1) & 0x1F;
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u8 _Alp = (_Col >> 0) & 0x01;
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*(pBuffer++) = (SCALE_5_8(_Red));
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*(pBuffer++) = (SCALE_5_8(_Grn));
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*(pBuffer++) = (SCALE_5_8(_Blu));
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*(pBuffer++) = (0xFF * (_Alp));
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}
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return _Buffer;
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}
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static u8 *I4_RGBA32(const u8 *aData, u64 aLength) {
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u8 *_Buffer = New<u8>(aLength * 8);
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u8 *pBuffer = _Buffer;
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for (u64 i = 0; i != aLength; ++i) {
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u8 _Half0 = (aData[i] >> 4) & 0xF;
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*(pBuffer++) = (SCALE_4_8(_Half0));
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*(pBuffer++) = (SCALE_4_8(_Half0));
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*(pBuffer++) = (SCALE_4_8(_Half0));
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*(pBuffer++) = (255);
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u8 _Half1 = (aData[i] >> 0) & 0xF;
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*(pBuffer++) = (SCALE_4_8(_Half1));
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*(pBuffer++) = (SCALE_4_8(_Half1));
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*(pBuffer++) = (SCALE_4_8(_Half1));
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*(pBuffer++) = (255);
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}
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return _Buffer;
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}
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static u8 *I8_RGBA32(const u8 *aData, u64 aLength) {
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u8 *_Buffer = New<u8>(aLength * 4);
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u8 *pBuffer = _Buffer;
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for (u64 i = 0; i != aLength; ++i) {
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*(pBuffer++) = (aData[i]);
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*(pBuffer++) = (aData[i]);
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*(pBuffer++) = (aData[i]);
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*(pBuffer++) = (255);
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}
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return _Buffer;
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}
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u8 *DynOS_Gfx_TextureConvertToRGBA32(const u8 *aData, u64 aLength, s32 aFormat, s32 aSize, const u8 *aPalette) {
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switch ((aFormat << 8) | aSize ) {
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case ((G_IM_FMT_RGBA << 8) | G_IM_SIZ_16b): return RGBA16_RGBA32(aData, aLength);
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case ((G_IM_FMT_RGBA << 8) | G_IM_SIZ_32b): return RGBA32_RGBA32(aData, aLength);
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case ((G_IM_FMT_IA << 8) | G_IM_SIZ_4b ): return IA4_RGBA32 (aData, aLength);
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case ((G_IM_FMT_IA << 8) | G_IM_SIZ_8b ): return IA8_RGBA32 (aData, aLength);
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case ((G_IM_FMT_IA << 8) | G_IM_SIZ_16b): return IA16_RGBA32 (aData, aLength);
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case ((G_IM_FMT_CI << 8) | G_IM_SIZ_4b ): return CI4_RGBA32 (aData, aLength, aPalette);
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case ((G_IM_FMT_CI << 8) | G_IM_SIZ_8b ): return CI8_RGBA32 (aData, aLength, aPalette);
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case ((G_IM_FMT_I << 8) | G_IM_SIZ_4b ): return I4_RGBA32 (aData, aLength);
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case ((G_IM_FMT_I << 8) | G_IM_SIZ_8b ): return I8_RGBA32 (aData, aLength);
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}
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return NULL;
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}
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//
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// Upload
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//
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typedef struct GfxRenderingAPI GRAPI;
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static void DynOS_Gfx_UploadTexture(DataNode<TexData> *aNode, GRAPI *aGfxRApi, s32 aTile, s32 aTexId) {
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aGfxRApi->select_texture(aTile, aTexId);
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aGfxRApi->upload_texture(aNode->mData->mRawData.begin(), aNode->mData->mRawWidth, aNode->mData->mRawHeight);
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aNode->mData->mUploaded = true;
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}
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//
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// Cache
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//
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struct THN {
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struct THN *mNext;
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const void *mAddr; // Contains the pointer to the DataNode<TexData> struct, NOT the actual texture data
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u8 mFmt, mSiz;
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s32 mTexId;
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u8 mCms, mCmt;
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bool mLInf;
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};
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static bool DynOS_Gfx_CacheTexture(THN **aOutput, DataNode<TexData> *aNode, s32 aTile, GRAPI *aGfxRApi, THN **aHashMap, THN *aPool, u32 *aPoolPos, u32 aPoolSize) {
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// Find texture in cache
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uintptr_t _Hash = ((uintptr_t) aNode) & ((aPoolSize * 2) - 1);
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THN **_Node = &(aHashMap[_Hash]);
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while ((*_Node) != NULL && ((*_Node) - aPool) < (*aPoolPos)) {
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if ((*_Node)->mAddr == (const void *) aNode) {
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aGfxRApi->select_texture(aTile, (*_Node)->mTexId);
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if (!aNode->mData->mUploaded) {
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DynOS_Gfx_UploadTexture(aNode, aGfxRApi, aTile, (*_Node)->mTexId);
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}
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(*aOutput) = (*_Node);
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return true;
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}
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_Node = &(*_Node)->mNext;
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}
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// If cache is full, clear cache
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if ((*aPoolPos) == aPoolSize) {
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(*aPoolPos) = 0;
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_Node = &aHashMap[_Hash];
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}
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// Add new texture to cache
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(*_Node) = &aPool[(*aPoolPos)++];
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if (!(*_Node)->mAddr) {
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(*_Node)->mTexId = aGfxRApi->new_texture();
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}
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aGfxRApi->select_texture(aTile, (*_Node)->mTexId);
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aGfxRApi->set_sampler_parameters(aTile, false, 0, 0);
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(*_Node)->mCms = 0;
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(*_Node)->mCmt = 0;
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(*_Node)->mLInf = false;
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(*_Node)->mNext = NULL;
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(*_Node)->mAddr = aNode;
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(*_Node)->mFmt = G_IM_FMT_RGBA;
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(*_Node)->mSiz = G_IM_SIZ_32b;
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(*aOutput) = (*_Node);
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return false;
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}
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//
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// Import
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//
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static DataNode<TexData> *DynOS_Gfx_RetrieveNode(void *aPtr) {
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Array<ActorGfx> &pActorGfxList = DynOS_Gfx_GetActorList();
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for (auto& _ActorGfx : pActorGfxList) {
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if (_ActorGfx.mGfxData) {
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for (auto &_Node : _ActorGfx.mGfxData->mTextures) {
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if ((void*) _Node == aPtr) {
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return _Node;
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}
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}
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}
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}
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return NULL;
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}
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static bool DynOS_Gfx_ImportTexture_Typed(THN **aOutput, void *aPtr, s32 aTile, GRAPI *aGfxRApi, THN **aHashMap, THN *aPool, u32 *aPoolPos, u32 aPoolSize) {
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DataNode<TexData> *_Node = DynOS_Gfx_RetrieveNode(aPtr);
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if (_Node) {
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if (!DynOS_Gfx_CacheTexture(aOutput, _Node, aTile, aGfxRApi, aHashMap, aPool, aPoolPos, aPoolSize)) {
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DynOS_Gfx_UploadTexture(_Node, aGfxRApi, aTile, (*aOutput)->mTexId);
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}
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return true;
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}
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return false;
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}
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bool DynOS_Gfx_ImportTexture(void **aOutput, void *aPtr, s32 aTile, void *aGfxRApi, void **aHashMap, void *aPool, u32 *aPoolPos, u32 aPoolSize) {
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return DynOS_Gfx_ImportTexture_Typed(
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(THN **) aOutput,
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(void *) aPtr,
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(s32) aTile,
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(GRAPI *) aGfxRApi,
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(THN **) aHashMap,
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(THN *) aPool,
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(u32 *) aPoolPos,
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(u32) aPoolSize
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);
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}
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