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powervr2: UV clamp/flip

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This commit is contained in:
MetalliC 2016-05-07 12:54:23 +03:00
parent bc1cfa9a38
commit a913a9adfa
2 changed files with 89 additions and 77 deletions
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158
src/mame/video/powervr2.cpp
View File

@ -328,10 +328,26 @@ inline UINT32 powervr2_device::cv_yuv(UINT16 c1, UINT16 c2, int x)
return 0xff000000 | (r << 16) | (g << 8) | b;
}
int powervr2_device::uv_wrap(float uv, int size)
{
int iuv = (int)uv;
return iuv & (size - 1);
}
int powervr2_device::uv_flip(float uv, int size)
{
int iuv = (int)uv;
return (iuv & size) ? (iuv & (size - 1)) ^ (size - 1) : iuv & (size - 1);
}
int powervr2_device::uv_clamp(float uv, int size)
{
int iuv = (int)uv;
return (iuv > 0) ? (iuv < size) ? iuv : (size - 1) : 0;
}
UINT32 powervr2_device::tex_r_yuv_n(texinfo *t, float x, float y)
{
int xt = ((int)x) & (t->sizex-1);
int yt = ((int)y) & (t->sizey-1);
int xt = t->u_func(x, t->sizex);
int yt = t->v_func(y, t->sizey);
int addrp = t->address + (t->stride*yt + (xt & ~1))*2;
UINT16 c1 = *(UINT16 *)((reinterpret_cast<UINT8 *>(dc_texture_ram)) + WORD_XOR_LE(addrp));
UINT16 c2 = *(UINT16 *)((reinterpret_cast<UINT8 *>(dc_texture_ram)) + WORD_XOR_LE(addrp+2));
@ -340,9 +356,9 @@ UINT32 powervr2_device::tex_r_yuv_n(texinfo *t, float x, float y)
UINT32 powervr2_device::tex_r_yuv_tw(texinfo *t, float x, float y)
{
int xt = ((int)x) & (t->sizex-1);
int yt = ((int)y) & (t->sizey-1);
int addrp = t->address + (dilated1[t->cd][xt & ~1] + dilated0[t->cd][yt])*2;
int xt = t->u_func(x, t->sizex);
int yt = t->v_func(y, t->sizey);
int addrp = t->address + (dilated1[t->cd][xt & ~1] + dilated0[t->cd][yt]) * 2;
UINT16 c1 = *(UINT16 *)((reinterpret_cast<UINT8 *>(dc_texture_ram)) + WORD_XOR_LE(addrp));
UINT16 c2 = *(UINT16 *)((reinterpret_cast<UINT8 *>(dc_texture_ram)) + WORD_XOR_LE(addrp+4));
return cv_yuv(c1, c2, xt);
@ -351,8 +367,8 @@ UINT32 powervr2_device::tex_r_yuv_tw(texinfo *t, float x, float y)
#if 0
UINT32 powervr2_device::tex_r_yuv_vq(texinfo *t, float x, float y)
{
int xt = ((int)x) & (t->sizex-1);
int yt = ((int)y) & (t->sizey-1);
int xt = t->u_func(x, t->sizex);
int yt = t->v_func(y, t->sizey);
int idx = (reinterpret_cast<UINT8 *>(dc_texture_ram))[BYTE_XOR_LE(t->address + dilated1[t->cd][xt >> 1] + dilated0[t->cd][yt >> 1])];
int addrp = t->vqbase + 8*idx + (dilated1[t->cd][xt & 1] + dilated0[t->cd][yt & 1])*2;
UINT16 c1 = *(UINT16 *)((reinterpret_cast<UINT8 *>(dc_texture_ram)) + WORD_XOR_LE(addrp));
@ -363,24 +379,24 @@ UINT32 powervr2_device::tex_r_yuv_vq(texinfo *t, float x, float y)
UINT32 powervr2_device::tex_r_1555_n(texinfo *t, float x, float y)
{
int xt = ((int)x) & (t->sizex-1);
int yt = ((int)y) & (t->sizey-1);
int addrp = t->address + (t->stride*yt + xt)*2;
int xt = t->u_func(x, t->sizex);
int yt = t->v_func(y, t->sizey);
int addrp = t->address + (t->stride*yt + xt) * 2;
return cv_1555z(*(UINT16 *)((reinterpret_cast<UINT8 *>(dc_texture_ram)) + WORD_XOR_LE(addrp)));
}
UINT32 powervr2_device::tex_r_1555_tw(texinfo *t, float x, float y)
{
int xt = ((int)x) & (t->sizex-1);
int yt = ((int)y) & (t->sizey-1);
int addrp = t->address + (dilated1[t->cd][xt] + dilated0[t->cd][yt])*2;
int xt = t->u_func(x, t->sizex);
int yt = t->v_func(y, t->sizey);
int addrp = t->address + (dilated1[t->cd][xt] + dilated0[t->cd][yt]) * 2;
return cv_1555(*(UINT16 *)((reinterpret_cast<UINT8 *>(dc_texture_ram)) + WORD_XOR_LE(addrp)));
}
UINT32 powervr2_device::tex_r_1555_vq(texinfo *t, float x, float y)
{
int xt = ((int)x) & (t->sizex-1);
int yt = ((int)y) & (t->sizey-1);
int xt = t->u_func(x, t->sizex);
int yt = t->v_func(y, t->sizey);
int idx = (reinterpret_cast<UINT8 *>(dc_texture_ram))[BYTE_XOR_LE(t->address + dilated1[t->cd][xt >> 1] + dilated0[t->cd][yt >> 1])];
int addrp = t->vqbase + 8*idx + (dilated1[t->cd][xt & 1] + dilated0[t->cd][yt & 1])*2;
return cv_1555(*(UINT16 *)((reinterpret_cast<UINT8 *>(dc_texture_ram)) + WORD_XOR_LE(addrp)));
@ -388,24 +404,24 @@ UINT32 powervr2_device::tex_r_1555_vq(texinfo *t, float x, float y)
UINT32 powervr2_device::tex_r_565_n(texinfo *t, float x, float y)
{
int xt = ((int)x) & (t->sizex-1);
int yt = ((int)y) & (t->sizey-1);
int addrp = t->address + (t->stride*yt + xt)*2;
int xt = t->u_func(x, t->sizex);
int yt = t->v_func(y, t->sizey);
int addrp = t->address + (t->stride*yt + xt) * 2;
return cv_565z(*(UINT16 *)((reinterpret_cast<UINT8 *>(dc_texture_ram)) + WORD_XOR_LE(addrp)));
}
UINT32 powervr2_device::tex_r_565_tw(texinfo *t, float x, float y)
{
int xt = ((int)x) & (t->sizex-1);
int yt = ((int)y) & (t->sizey-1);
int addrp = t->address + (dilated1[t->cd][xt] + dilated0[t->cd][yt])*2;
int xt = t->u_func(x, t->sizex);
int yt = t->v_func(y, t->sizey);
int addrp = t->address + (dilated1[t->cd][xt] + dilated0[t->cd][yt]) * 2;
return cv_565(*(UINT16 *)((reinterpret_cast<UINT8 *>(dc_texture_ram)) + WORD_XOR_LE(addrp)));
}
UINT32 powervr2_device::tex_r_565_vq(texinfo *t, float x, float y)
{
int xt = ((int)x) & (t->sizex-1);
int yt = ((int)y) & (t->sizey-1);
int xt = t->u_func(x, t->sizex);
int yt = t->v_func(y, t->sizey);
int idx = (reinterpret_cast<UINT8 *>(dc_texture_ram))[BYTE_XOR_LE(t->address + dilated1[t->cd][xt >> 1] + dilated0[t->cd][yt >> 1])];
int addrp = t->vqbase + 8*idx + (dilated1[t->cd][xt & 1] + dilated0[t->cd][yt & 1])*2;
return cv_565(*(UINT16 *)((reinterpret_cast<UINT8 *>(dc_texture_ram)) + WORD_XOR_LE(addrp)));
@ -413,24 +429,24 @@ UINT32 powervr2_device::tex_r_565_vq(texinfo *t, float x, float y)
UINT32 powervr2_device::tex_r_4444_n(texinfo *t, float x, float y)
{
int xt = ((int)x) & (t->sizex-1);
int yt = ((int)y) & (t->sizey-1);
int addrp = t->address + (t->stride*yt + xt)*2;
int xt = t->u_func(x, t->sizex);
int yt = t->v_func(y, t->sizey);
int addrp = t->address + (t->stride*yt + xt) * 2;
return cv_4444z(*(UINT16 *)((reinterpret_cast<UINT8 *>(dc_texture_ram)) + WORD_XOR_LE(addrp)));
}
UINT32 powervr2_device::tex_r_4444_tw(texinfo *t, float x, float y)
{
int xt = ((int)x) & (t->sizex-1);
int yt = ((int)y) & (t->sizey-1);
int addrp = t->address + (dilated1[t->cd][xt] + dilated0[t->cd][yt])*2;
int xt = t->u_func(x, t->sizex);
int yt = t->v_func(y, t->sizey);
int addrp = t->address + (dilated1[t->cd][xt] + dilated0[t->cd][yt]) * 2;
return cv_4444(*(UINT16 *)((reinterpret_cast<UINT8 *>(dc_texture_ram)) + WORD_XOR_LE(addrp)));
}
UINT32 powervr2_device::tex_r_4444_vq(texinfo *t, float x, float y)
{
int xt = ((int)x) & (t->sizex-1);
int yt = ((int)y) & (t->sizey-1);
int xt = t->u_func(x, t->sizex);
int yt = t->v_func(y, t->sizey);
int idx = (reinterpret_cast<UINT8 *>(dc_texture_ram))[BYTE_XOR_LE(t->address + dilated1[t->cd][xt >> 1] + dilated0[t->cd][yt >> 1])];
int addrp = t->vqbase + 8*idx + (dilated1[t->cd][xt & 1] + dilated0[t->cd][yt & 1])*2;
return cv_4444(*(UINT16 *)((reinterpret_cast<UINT8 *>(dc_texture_ram)) + WORD_XOR_LE(addrp)));
@ -448,8 +464,8 @@ UINT32 powervr2_device::tex_r_nt_palfloat(texinfo *t, float x, float y)
UINT32 powervr2_device::tex_r_p4_1555_tw(texinfo *t, float x, float y)
{
int xt = ((int)x) & (t->sizex-1);
int yt = ((int)y) & (t->sizey-1);
int xt = t->u_func(x, t->sizex);
int yt = t->v_func(y, t->sizey);
int off = dilated1[t->cd][xt] + dilated0[t->cd][yt];
int addrp = t->address + (off >> 1);
int c = ((reinterpret_cast<UINT8 *>(dc_texture_ram))[BYTE_XOR_LE(addrp)] >> ((off & 1) << 2)) & 0xf;
@ -458,8 +474,8 @@ UINT32 powervr2_device::tex_r_p4_1555_tw(texinfo *t, float x, float y)
UINT32 powervr2_device::tex_r_p4_1555_vq(texinfo *t, float x, float y)
{
int xt = ((int)x) & (t->sizex-1);
int yt = ((int)y) & (t->sizey-1);
int xt = t->u_func(x, t->sizex);
int yt = t->v_func(y, t->sizey);
int idx = (reinterpret_cast<UINT8 *>(dc_texture_ram))[BYTE_XOR_LE(t->address + dilated1[t->cd][xt >> 1] + dilated0[t->cd][yt >> 1])];
int addrp = t->vqbase + 8*idx + dilated1[t->cd][xt & 1] + dilated0[t->cd][yt & 3];
int c = (reinterpret_cast<UINT8 *>(dc_texture_ram))[BYTE_XOR_LE(addrp)] & 0xf;
@ -468,8 +484,8 @@ UINT32 powervr2_device::tex_r_p4_1555_vq(texinfo *t, float x, float y)
UINT32 powervr2_device::tex_r_p4_565_tw(texinfo *t, float x, float y)
{
int xt = ((int)x) & (t->sizex-1);
int yt = ((int)y) & (t->sizey-1);
int xt = t->u_func(x, t->sizex);
int yt = t->v_func(y, t->sizey);
int off = dilated1[t->cd][xt] + dilated0[t->cd][yt];
int addrp = t->address + (off >> 1);
int c = ((reinterpret_cast<UINT8 *>(dc_texture_ram))[BYTE_XOR_LE(addrp)] >> ((off & 1) << 2)) & 0xf;
@ -478,8 +494,8 @@ UINT32 powervr2_device::tex_r_p4_565_tw(texinfo *t, float x, float y)
UINT32 powervr2_device::tex_r_p4_565_vq(texinfo *t, float x, float y)
{
int xt = ((int)x) & (t->sizex-1);
int yt = ((int)y) & (t->sizey-1);
int xt = t->u_func(x, t->sizex);
int yt = t->v_func(y, t->sizey);
int idx = (reinterpret_cast<UINT8 *>(dc_texture_ram))[BYTE_XOR_LE(t->address + dilated1[t->cd][xt >> 1] + dilated0[t->cd][yt >> 1])];
int addrp = t->vqbase + 8*idx + dilated1[t->cd][xt & 1] + dilated0[t->cd][yt & 3];
int c = (reinterpret_cast<UINT8 *>(dc_texture_ram))[BYTE_XOR_LE(addrp)] & 0xf;
@ -488,8 +504,8 @@ UINT32 powervr2_device::tex_r_p4_565_vq(texinfo *t, float x, float y)
UINT32 powervr2_device::tex_r_p4_4444_tw(texinfo *t, float x, float y)
{
int xt = ((int)x) & (t->sizex-1);
int yt = ((int)y) & (t->sizey-1);
int xt = t->u_func(x, t->sizex);
int yt = t->v_func(y, t->sizey);
int off = dilated1[t->cd][xt] + dilated0[t->cd][yt];
int addrp = t->address + (off >> 1);
int c = ((reinterpret_cast<UINT8 *>(dc_texture_ram))[BYTE_XOR_LE(addrp)] >> ((off & 1) << 2)) & 0xf;
@ -498,8 +514,8 @@ UINT32 powervr2_device::tex_r_p4_4444_tw(texinfo *t, float x, float y)
UINT32 powervr2_device::tex_r_p4_4444_vq(texinfo *t, float x, float y)
{
int xt = ((int)x) & (t->sizex-1);
int yt = ((int)y) & (t->sizey-1);
int xt = t->u_func(x, t->sizex);
int yt = t->v_func(y, t->sizey);
int idx = (reinterpret_cast<UINT8 *>(dc_texture_ram))[BYTE_XOR_LE(t->address + dilated1[t->cd][xt >> 1] + dilated0[t->cd][yt >> 1])];
int addrp = t->vqbase + 8*idx + dilated1[t->cd][xt & 1] + dilated0[t->cd][yt & 3];
int c = (reinterpret_cast<UINT8 *>(dc_texture_ram))[BYTE_XOR_LE(addrp)] & 0xf;
@ -508,8 +524,8 @@ UINT32 powervr2_device::tex_r_p4_4444_vq(texinfo *t, float x, float y)
UINT32 powervr2_device::tex_r_p4_8888_tw(texinfo *t, float x, float y)
{
int xt = ((int)x) & (t->sizex-1);
int yt = ((int)y) & (t->sizey-1);
int xt = t->u_func(x, t->sizex);
int yt = t->v_func(y, t->sizey);
int off = dilated1[t->cd][xt] + dilated0[t->cd][yt];
int addrp = t->address + (off >> 1);
int c = ((reinterpret_cast<UINT8 *>(dc_texture_ram))[BYTE_XOR_LE(addrp)] >> ((off & 1) << 2)) & 0xf;
@ -518,8 +534,8 @@ UINT32 powervr2_device::tex_r_p4_8888_tw(texinfo *t, float x, float y)
UINT32 powervr2_device::tex_r_p4_8888_vq(texinfo *t, float x, float y)
{
int xt = ((int)x) & (t->sizex-1);
int yt = ((int)y) & (t->sizey-1);
int xt = t->u_func(x, t->sizex);
int yt = t->v_func(y, t->sizey);
int idx = (reinterpret_cast<UINT8 *>(dc_texture_ram))[BYTE_XOR_LE(t->address + dilated1[t->cd][xt >> 1] + dilated0[t->cd][yt >> 1])];
int addrp = t->vqbase + 8*idx + dilated1[t->cd][xt & 1] + dilated0[t->cd][yt & 3];
int c = (reinterpret_cast<UINT8 *>(dc_texture_ram))[BYTE_XOR_LE(addrp)] & 0xf;
@ -528,8 +544,8 @@ UINT32 powervr2_device::tex_r_p4_8888_vq(texinfo *t, float x, float y)
UINT32 powervr2_device::tex_r_p8_1555_tw(texinfo *t, float x, float y)
{
int xt = ((int)x) & (t->sizex-1);
int yt = ((int)y) & (t->sizey-1);
int xt = t->u_func(x, t->sizex);
int yt = t->v_func(y, t->sizey);
int addrp = t->address + dilated1[t->cd][xt] + dilated0[t->cd][yt];
int c = (reinterpret_cast<UINT8 *>(dc_texture_ram))[BYTE_XOR_LE(addrp)];
return cv_1555(palette[t->palbase + c]);
@ -537,8 +553,8 @@ UINT32 powervr2_device::tex_r_p8_1555_tw(texinfo *t, float x, float y)
UINT32 powervr2_device::tex_r_p8_1555_vq(texinfo *t, float x, float y)
{
int xt = ((int)x) & (t->sizex-1);
int yt = ((int)y) & (t->sizey-1);
int xt = t->u_func(x, t->sizex);
int yt = t->v_func(y, t->sizey);
int idx = (reinterpret_cast<UINT8 *>(dc_texture_ram))[BYTE_XOR_LE(t->address + dilated1[t->cd][xt >> 1] + dilated0[t->cd][yt >> 1])];
int addrp = t->vqbase + 8*idx + dilated1[t->cd][xt & 1] + dilated0[t->cd][yt & 3];
int c = (reinterpret_cast<UINT8 *>(dc_texture_ram))[BYTE_XOR_LE(addrp)];
@ -547,8 +563,8 @@ UINT32 powervr2_device::tex_r_p8_1555_vq(texinfo *t, float x, float y)
UINT32 powervr2_device::tex_r_p8_565_tw(texinfo *t, float x, float y)
{
int xt = ((int)x) & (t->sizex-1);
int yt = ((int)y) & (t->sizey-1);
int xt = t->u_func(x, t->sizex);
int yt = t->v_func(y, t->sizey);
int addrp = t->address + dilated1[t->cd][xt] + dilated0[t->cd][yt];
int c = (reinterpret_cast<UINT8 *>(dc_texture_ram))[BYTE_XOR_LE(addrp)];
return cv_565(palette[t->palbase + c]);
@ -556,8 +572,8 @@ UINT32 powervr2_device::tex_r_p8_565_tw(texinfo *t, float x, float y)
UINT32 powervr2_device::tex_r_p8_565_vq(texinfo *t, float x, float y)
{
int xt = ((int)x) & (t->sizex-1);
int yt = ((int)y) & (t->sizey-1);
int xt = t->u_func(x, t->sizex);
int yt = t->v_func(y, t->sizey);
int idx = (reinterpret_cast<UINT8 *>(dc_texture_ram))[BYTE_XOR_LE(t->address + dilated1[t->cd][xt >> 1] + dilated0[t->cd][yt >> 1])];
int addrp = t->vqbase + 8*idx + dilated1[t->cd][xt & 1] + dilated0[t->cd][yt & 3];
int c = (reinterpret_cast<UINT8 *>(dc_texture_ram))[BYTE_XOR_LE(addrp)];
@ -566,8 +582,8 @@ UINT32 powervr2_device::tex_r_p8_565_vq(texinfo *t, float x, float y)
UINT32 powervr2_device::tex_r_p8_4444_tw(texinfo *t, float x, float y)
{
int xt = ((int)x) & (t->sizex-1);
int yt = ((int)y) & (t->sizey-1);
int xt = t->u_func(x, t->sizex);
int yt = t->v_func(y, t->sizey);
int addrp = t->address + dilated1[t->cd][xt] + dilated0[t->cd][yt];
int c = (reinterpret_cast<UINT8 *>(dc_texture_ram))[BYTE_XOR_LE(addrp)];
return cv_4444(palette[t->palbase + c]);
@ -575,8 +591,8 @@ UINT32 powervr2_device::tex_r_p8_4444_tw(texinfo *t, float x, float y)
UINT32 powervr2_device::tex_r_p8_4444_vq(texinfo *t, float x, float y)
{
int xt = ((int)x) & (t->sizex-1);
int yt = ((int)y) & (t->sizey-1);
int xt = t->u_func(x, t->sizex);
int yt = t->v_func(y, t->sizey);
int idx = (reinterpret_cast<UINT8 *>(dc_texture_ram))[BYTE_XOR_LE(t->address + dilated1[t->cd][xt >> 1] + dilated0[t->cd][yt >> 1])];
int addrp = t->vqbase + 8*idx + dilated1[t->cd][xt & 1] + dilated0[t->cd][yt & 3];
int c = (reinterpret_cast<UINT8 *>(dc_texture_ram))[BYTE_XOR_LE(addrp)];
@ -585,8 +601,8 @@ UINT32 powervr2_device::tex_r_p8_4444_vq(texinfo *t, float x, float y)
UINT32 powervr2_device::tex_r_p8_8888_tw(texinfo *t, float x, float y)
{
int xt = ((int)x) & (t->sizex-1);
int yt = ((int)y) & (t->sizey-1);
int xt = t->u_func(x, t->sizex);
int yt = t->v_func(y, t->sizey);
int addrp = t->address + dilated1[t->cd][xt] + dilated0[t->cd][yt];
int c = (reinterpret_cast<UINT8 *>(dc_texture_ram))[BYTE_XOR_LE(addrp)];
return palette[t->palbase + c];
@ -594,8 +610,8 @@ UINT32 powervr2_device::tex_r_p8_8888_tw(texinfo *t, float x, float y)
UINT32 powervr2_device::tex_r_p8_8888_vq(texinfo *t, float x, float y)
{
int xt = ((int)x) & (t->sizex-1);
int yt = ((int)y) & (t->sizey-1);
int xt = t->u_func(x, t->sizex);
int yt = t->v_func(y, t->sizey);
int idx = (reinterpret_cast<UINT8 *>(dc_texture_ram))[BYTE_XOR_LE(t->address + dilated1[t->cd][xt >> 1] + dilated0[t->cd][yt >> 1])];
int addrp = t->vqbase + 8*idx + dilated1[t->cd][xt & 1] + dilated0[t->cd][yt & 3];
int c = (reinterpret_cast<UINT8 *>(dc_texture_ram))[BYTE_XOR_LE(addrp)];
@ -656,8 +672,9 @@ void powervr2_device::tex_get_info(texinfo *t)
t->blend_mode = blend_mode;
t->filter_mode = filtermode;
t->flip_u = (flipuv >> 1) & 1;
t->flip_v = flipuv & 1;
t->u_func = (clampuv & 2) ? &powervr2_device::uv_clamp : ((flipuv & 2) ? &powervr2_device::uv_flip : &powervr2_device::uv_wrap);
t->v_func = (clampuv & 1) ? &powervr2_device::uv_clamp : ((flipuv & 1) ? &powervr2_device::uv_flip : &powervr2_device::uv_wrap);
t->r = &powervr2_device::tex_r_default;
t->cd = dilatechose[t->sizes];
@ -2211,17 +2228,6 @@ void powervr2_device::render_hline(bitmap_rgb32 &bitmap, texinfo *ti, int y, flo
float u = ul/wl;
float v = vl/wl;
/*
if(ti->flip_u)
{
u = ti->sizex - u;
}
if(ti->flip_v)
{
v = ti->sizey - v;
}*/
c = (this->*(ti->r))(ti, u, v);
// debug dip to turn on/off bilinear filtering, it's slooooow

8
src/mame/video/powervr2.h
View File

@ -61,11 +61,13 @@ public:
UINT32 address, vqbase;
UINT32 nontextured_pal_int;
UINT8 nontextured_fpal_a,nontextured_fpal_r,nontextured_fpal_g,nontextured_fpal_b;
int textured, sizex, sizey, stride, sizes, pf, palette, mode, mipmapped, blend_mode, filter_mode, flip_u, flip_v;
int textured, sizex, sizey, stride, sizes, pf, palette, mode, mipmapped, blend_mode, filter_mode;
int coltype;
UINT32 (powervr2_device::*r)(struct texinfo *t, float x, float y);
UINT32 (*blend)(UINT32 s, UINT32 d);
int (*u_func)(float uv, int size);
int (*v_func)(float uv, int size);
int palbase, cd;
};
@ -313,6 +315,10 @@ private:
static UINT32 (*const blend_functions[64])(UINT32 s, UINT32 d);
static int uv_wrap(float uv, int size);
static int uv_flip(float uv, int size);
static int uv_clamp(float uv, int size);
static inline INT32 clamp(INT32 in, INT32 min, INT32 max);
static inline UINT32 bilinear_filter(UINT32 c0, UINT32 c1, UINT32 c2, UINT32 c3, float u, float v);
static inline UINT32 bla(UINT32 c, UINT32 a);