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-rw-r--r--src/GPU3D_OpenGL43.cpp408
1 files changed, 242 insertions, 166 deletions
diff --git a/src/GPU3D_OpenGL43.cpp b/src/GPU3D_OpenGL43.cpp
index d792030..57a80f1 100644
--- a/src/GPU3D_OpenGL43.cpp
+++ b/src/GPU3D_OpenGL43.cpp
@@ -168,206 +168,221 @@ flat in uvec3 fPolygonAttr;
layout(location=0) out vec4 oColor;
layout(location=1) out uvec3 oAttr;
-vec4 TextureLookup(ivec2 st)
+int TexcoordWrap(int c, int maxc, uint mode)
{
- uint attr = fPolygonAttr.y;
- uint paladdr = fPolygonAttr.z;
-
- float alpha0;
- if ((attr & (1<<29)) != 0) alpha0 = 0.0;
- else alpha0 = 1.0;
-
- int tw = 8 << int((attr >> 20) & 0x7);
- int th = 8 << int((attr >> 23) & 0x7);
-
- int vramaddr = int(attr & 0xFFFF) << 3;
-
- if ((attr & (1<<16)) != 0)
+ if ((mode & (1<<0)) != 0)
{
- if ((attr & (1<<18)) != 0)
- {
- if ((st.x & tw) != 0)
- st.x = (tw-1) - (st.x & (tw-1));
- else
- st.x = (st.x & (tw-1));
- }
+ if ((mode & (1<<2)) != 0 && (c & maxc) != 0)
+ return (maxc-1) - (c & (maxc-1));
else
- st.x &= (tw-1);
+ return (c & (maxc-1));
}
else
- st.x = clamp(st.x, 0, tw-1);
+ return clamp(c, 0, maxc-1);
+}
- if ((attr & (1<<17)) != 0)
- {
- if ((attr & (1<<19)) != 0)
- {
- if ((st.y & th) != 0)
- st.y = (th-1) - (st.y & (th-1));
- else
- st.y = (st.y & (th-1));
- }
- else
- st.y &= (th-1);
- }
- else
- st.y = clamp(st.y, 0, th-1);
+vec4 TextureFetch_A3I5(ivec2 addr, ivec4 st, uint wrapmode)
+{
+ st.x = TexcoordWrap(st.x, st.z, wrapmode>>0);
+ st.y = TexcoordWrap(st.y, st.w, wrapmode>>1);
- uint type = (attr >> 26) & 0x7;
- if (type == 1)
- {
- vramaddr += ((st.y * tw) + st.x);
- uvec4 pixel = texelFetch(TexMem, ivec2(vramaddr&0x3FF, vramaddr>>10), 0);
+ addr.x += ((st.y * st.z) + st.x);
+ uvec4 pixel = texelFetch(TexMem, ivec2(addr.x&0x3FF, addr.x>>10), 0);
- pixel.a = (pixel.r & 0xE0);
- pixel.a = (pixel.a >> 3) + (pixel.a >> 6);
- pixel.r &= 0x1F;
+ pixel.a = (pixel.r & 0xE0);
+ pixel.a = (pixel.a >> 3) + (pixel.a >> 6);
+ pixel.r &= 0x1F;
- paladdr = (paladdr << 3) + pixel.r;
- vec4 color = texelFetch(TexPalMem, ivec2(paladdr&0x3FF, paladdr>>10), 0);
+ addr.y = (addr.y << 3) + int(pixel.r);
+ vec4 color = texelFetch(TexPalMem, ivec2(addr.y&0x3FF, addr.y>>10), 0);
- return vec4(color.rgb, float(pixel.a)/31.0);
- }
- else if (type == 2)
- {
- vramaddr += ((st.y * tw) + st.x) >> 2;
- uvec4 pixel = texelFetch(TexMem, ivec2(vramaddr&0x3FF, vramaddr>>10), 0);
- pixel.r >>= (2 * (st.x & 3));
- pixel.r &= 0x03;
+ return vec4(color.rgb, float(pixel.a)/31.0);
+}
- paladdr = (paladdr << 2) + pixel.r;
- vec4 color = texelFetch(TexPalMem, ivec2(paladdr&0x3FF, paladdr>>10), 0);
+vec4 TextureFetch_I2(ivec2 addr, ivec4 st, uint wrapmode, float alpha0)
+{
+ st.x = TexcoordWrap(st.x, st.z, wrapmode>>0);
+ st.y = TexcoordWrap(st.y, st.w, wrapmode>>1);
- return vec4(color.rgb, max(step(1,pixel.r),alpha0));
- }
- else if (type == 3)
- {
- vramaddr += ((st.y * tw) + st.x) >> 1;
- uvec4 pixel = texelFetch(TexMem, ivec2(vramaddr&0x3FF, vramaddr>>10), 0);
- if ((st.x & 1) != 0) pixel.r >>= 4;
- else pixel.r &= 0x0F;
+ addr.x += ((st.y * st.z) + st.x) >> 2;
+ uvec4 pixel = texelFetch(TexMem, ivec2(addr.x&0x3FF, addr.x>>10), 0);
+ pixel.r >>= (2 * (st.x & 3));
+ pixel.r &= 0x03;
- paladdr = (paladdr << 3) + pixel.r;
- vec4 color = texelFetch(TexPalMem, ivec2(paladdr&0x3FF, paladdr>>10), 0);
+ addr.y = (addr.y << 2) + int(pixel.r);
+ vec4 color = texelFetch(TexPalMem, ivec2(addr.y&0x3FF, addr.y>>10), 0);
- return vec4(color.rgb, max(step(1,pixel.r),alpha0));
- }
- else if (type == 4)
- {
- vramaddr += ((st.y * tw) + st.x);
- uvec4 pixel = texelFetch(TexMem, ivec2(vramaddr&0x3FF, vramaddr>>10), 0);
+ return vec4(color.rgb, max(step(1,pixel.r),alpha0));
+}
- paladdr = (paladdr << 3) + pixel.r;
- vec4 color = texelFetch(TexPalMem, ivec2(paladdr&0x3FF, paladdr>>10), 0);
+vec4 TextureFetch_I4(ivec2 addr, ivec4 st, uint wrapmode, float alpha0)
+{
+ st.x = TexcoordWrap(st.x, st.z, wrapmode>>0);
+ st.y = TexcoordWrap(st.y, st.w, wrapmode>>1);
- return vec4(color.rgb, max(step(1,pixel.r),alpha0));
- }
- else if (type == 5)
- {
- vramaddr += ((st.y & 0x3FC) * (tw>>2)) + (st.x & 0x3FC) + (st.y & 0x3);
- uvec4 p = texelFetch(TexMem, ivec2(vramaddr&0x3FF, vramaddr>>10), 0);
- uint val = (p.r >> (2 * (st.x & 0x3))) & 0x3;
+ addr.x += ((st.y * st.z) + st.x) >> 1;
+ uvec4 pixel = texelFetch(TexMem, ivec2(addr.x&0x3FF, addr.x>>10), 0);
+ if ((st.x & 1) != 0) pixel.r >>= 4;
+ else pixel.r &= 0x0F;
+
+ addr.y = (addr.y << 3) + int(pixel.r);
+ vec4 color = texelFetch(TexPalMem, ivec2(addr.y&0x3FF, addr.y>>10), 0);
+
+ return vec4(color.rgb, max(step(1,pixel.r),alpha0));
+}
+
+vec4 TextureFetch_I8(ivec2 addr, ivec4 st, uint wrapmode, float alpha0)
+{
+ st.x = TexcoordWrap(st.x, st.z, wrapmode>>0);
+ st.y = TexcoordWrap(st.y, st.w, wrapmode>>1);
+
+ addr.x += ((st.y * st.z) + st.x);
+ uvec4 pixel = texelFetch(TexMem, ivec2(addr.x&0x3FF, addr.x>>10), 0);
+
+ addr.y = (addr.y << 3) + int(pixel.r);
+ vec4 color = texelFetch(TexPalMem, ivec2(addr.y&0x3FF, addr.y>>10), 0);
+
+ return vec4(color.rgb, max(step(1,pixel.r),alpha0));
+}
+
+vec4 TextureFetch_Compressed(ivec2 addr, ivec4 st, uint wrapmode)
+{
+ st.x = TexcoordWrap(st.x, st.z, wrapmode>>0);
+ st.y = TexcoordWrap(st.y, st.w, wrapmode>>1);
+
+ addr.x += ((st.y & 0x3FC) * (st.z>>2)) + (st.x & 0x3FC) + (st.y & 0x3);
+ uvec4 p = texelFetch(TexMem, ivec2(addr.x&0x3FF, addr.x>>10), 0);
+ uint val = (p.r >> (2 * (st.x & 0x3))) & 0x3;
- int slot1addr = 0x20000 + ((vramaddr & 0x1FFFC) >> 1);
- if (vramaddr >= 0x40000) slot1addr += 0x10000;
+ int slot1addr = 0x20000 + ((addr.x & 0x1FFFC) >> 1);
+ if (addr.x >= 0x40000) slot1addr += 0x10000;
- uint palinfo;
- p = texelFetch(TexMem, ivec2(slot1addr&0x3FF, slot1addr>>10), 0);
- palinfo = p.r;
- slot1addr++;
- p = texelFetch(TexMem, ivec2(slot1addr&0x3FF, slot1addr>>10), 0);
- palinfo |= (p.r << 8);
+ uint palinfo;
+ p = texelFetch(TexMem, ivec2(slot1addr&0x3FF, slot1addr>>10), 0);
+ palinfo = p.r;
+ slot1addr++;
+ p = texelFetch(TexMem, ivec2(slot1addr&0x3FF, slot1addr>>10), 0);
+ palinfo |= (p.r << 8);
- paladdr = (paladdr << 3) + ((palinfo & 0x3FFF) << 1);
- palinfo >>= 14;
+ addr.y = (addr.y << 3) + ((int(palinfo) & 0x3FFF) << 1);
+ palinfo >>= 14;
- if (val == 0)
+ if (val == 0)
+ {
+ vec4 color = texelFetch(TexPalMem, ivec2(addr.y&0x3FF, addr.y>>10), 0);
+ return vec4(color.rgb, 1.0);
+ }
+ else if (val == 1)
+ {
+ addr.y++;
+ vec4 color = texelFetch(TexPalMem, ivec2(addr.y&0x3FF, addr.y>>10), 0);
+ return vec4(color.rgb, 1.0);
+ }
+ else if (val == 2)
+ {
+ if (palinfo == 1)
{
- vec4 color = texelFetch(TexPalMem, ivec2(paladdr&0x3FF, paladdr>>10), 0);
+ vec4 color0 = texelFetch(TexPalMem, ivec2(addr.y&0x3FF, addr.y>>10), 0);
+ addr.y++;
+ vec4 color1 = texelFetch(TexPalMem, ivec2(addr.y&0x3FF, addr.y>>10), 0);
+ return vec4((color0.rgb + color1.rgb) / 2.0, 1.0);
+ }
+ else if (palinfo == 3)
+ {
+ vec4 color0 = texelFetch(TexPalMem, ivec2(addr.y&0x3FF, addr.y>>10), 0);
+ addr.y++;
+ vec4 color1 = texelFetch(TexPalMem, ivec2(addr.y&0x3FF, addr.y>>10), 0);
+ return vec4((color0.rgb*5.0 + color1.rgb*3.0) / 8.0, 1.0);
+ }
+ else
+ {
+ addr.y += 2;
+ vec4 color = texelFetch(TexPalMem, ivec2(addr.y&0x3FF, addr.y>>10), 0);
return vec4(color.rgb, 1.0);
}
- else if (val == 1)
+ }
+ else
+ {
+ if (palinfo == 2)
{
- paladdr++;
- vec4 color = texelFetch(TexPalMem, ivec2(paladdr&0x3FF, paladdr>>10), 0);
+ addr.y += 3;
+ vec4 color = texelFetch(TexPalMem, ivec2(addr.y&0x3FF, addr.y>>10), 0);
return vec4(color.rgb, 1.0);
}
- else if (val == 2)
+ else if (palinfo == 3)
{
- if (palinfo == 1)
- {
- vec4 color0 = texelFetch(TexPalMem, ivec2(paladdr&0x3FF, paladdr>>10), 0);
- paladdr++;
- vec4 color1 = texelFetch(TexPalMem, ivec2(paladdr&0x3FF, paladdr>>10), 0);
- return vec4((color0.rgb + color1.rgb) / 2.0, 1.0);
- }
- else if (palinfo == 3)
- {
- vec4 color0 = texelFetch(TexPalMem, ivec2(paladdr&0x3FF, paladdr>>10), 0);
- paladdr++;
- vec4 color1 = texelFetch(TexPalMem, ivec2(paladdr&0x3FF, paladdr>>10), 0);
- return vec4((color0.rgb*5.0 + color1.rgb*3.0) / 8.0, 1.0);
- }
- else
- {
- paladdr += 2;
- vec4 color = texelFetch(TexPalMem, ivec2(paladdr&0x3FF, paladdr>>10), 0);
- return vec4(color.rgb, 1.0);
- }
+ vec4 color0 = texelFetch(TexPalMem, ivec2(addr.y&0x3FF, addr.y>>10), 0);
+ addr.y++;
+ vec4 color1 = texelFetch(TexPalMem, ivec2(addr.y&0x3FF, addr.y>>10), 0);
+ return vec4((color0.rgb*3.0 + color1.rgb*5.0) / 8.0, 1.0);
}
else
{
- if (palinfo == 2)
- {
- paladdr += 3;
- vec4 color = texelFetch(TexPalMem, ivec2(paladdr&0x3FF, paladdr>>10), 0);
- return vec4(color.rgb, 1.0);
- }
- else if (palinfo == 3)
- {
- vec4 color0 = texelFetch(TexPalMem, ivec2(paladdr&0x3FF, paladdr>>10), 0);
- paladdr++;
- vec4 color1 = texelFetch(TexPalMem, ivec2(paladdr&0x3FF, paladdr>>10), 0);
- return vec4((color0.rgb*3.0 + color1.rgb*5.0) / 8.0, 1.0);
- }
- else
- {
- return vec4(0.0);
- }
+ return vec4(0.0);
}
}
- else if (type == 6)
- {
- vramaddr += ((st.y * tw) + st.x);
- uvec4 pixel = texelFetch(TexMem, ivec2(vramaddr&0x3FF, vramaddr>>10), 0);
+}
- pixel.a = (pixel.r & 0xF8) >> 3;
- pixel.r &= 0x07;
+vec4 TextureFetch_A5I3(ivec2 addr, ivec4 st, uint wrapmode)
+{
+ st.x = TexcoordWrap(st.x, st.z, wrapmode>>0);
+ st.y = TexcoordWrap(st.y, st.w, wrapmode>>1);
- paladdr = (paladdr << 3) + pixel.r;
- vec4 color = texelFetch(TexPalMem, ivec2(paladdr&0x3FF, paladdr>>10), 0);
+ addr.x += ((st.y * st.z) + st.x);
+ uvec4 pixel = texelFetch(TexMem, ivec2(addr.x&0x3FF, addr.x>>10), 0);
- return vec4(color.rgb, float(pixel.a)/31.0);
- }
- else
- {
- vramaddr += ((st.y * tw) + st.x) << 1;
- uvec4 pixelL = texelFetch(TexMem, ivec2(vramaddr&0x3FF, vramaddr>>10), 0);
- vramaddr++;
- uvec4 pixelH = texelFetch(TexMem, ivec2(vramaddr&0x3FF, vramaddr>>10), 0);
-
- vec4 color;
- color.r = float(pixelL.r & 0x1F) / 31.0;
- color.g = float((pixelL.r >> 5) | ((pixelH.r & 0x03) << 3)) / 31.0;
- color.b = float((pixelH.r & 0x7C) >> 2) / 31.0;
- color.a = float(pixelH.r >> 7);
-
- return color;
- }
+ pixel.a = (pixel.r & 0xF8) >> 3;
+ pixel.r &= 0x07;
+
+ addr.y = (addr.y << 3) + int(pixel.r);
+ vec4 color = texelFetch(TexPalMem, ivec2(addr.y&0x3FF, addr.y>>10), 0);
+
+ return vec4(color.rgb, float(pixel.a)/31.0);
}
-vec4 TextureLookup_Nearest(vec2 texcoord)
+vec4 TextureFetch_Direct(ivec2 addr, ivec4 st, uint wrapmode)
{
- return TextureLookup(ivec2(texcoord));
+ st.x = TexcoordWrap(st.x, st.z, wrapmode>>0);
+ st.y = TexcoordWrap(st.y, st.w, wrapmode>>1);
+
+ addr.x += ((st.y * st.z) + st.x) << 1;
+ uvec4 pixelL = texelFetch(TexMem, ivec2(addr.x&0x3FF, addr.x>>10), 0);
+ addr.x++;
+ uvec4 pixelH = texelFetch(TexMem, ivec2(addr.x&0x3FF, addr.x>>10), 0);
+
+ vec4 color;
+ color.r = float(pixelL.r & 0x1F) / 31.0;
+ color.g = float((pixelL.r >> 5) | ((pixelH.r & 0x03) << 3)) / 31.0;
+ color.b = float((pixelH.r & 0x7C) >> 2) / 31.0;
+ color.a = float(pixelH.r >> 7);
+
+ return color;
+}
+
+vec4 TextureLookup_Nearest(vec2 st)
+{
+ uint attr = fPolygonAttr.y;
+ uint paladdr = fPolygonAttr.z;
+
+ float alpha0;
+ if ((attr & (1<<29)) != 0) alpha0 = 0.0;
+ else alpha0 = 1.0;
+
+ int tw = 8 << int((attr >> 20) & 0x7);
+ int th = 8 << int((attr >> 23) & 0x7);
+ ivec4 st_full = ivec4(ivec2(st), tw, th);
+
+ ivec2 vramaddr = ivec2(int(attr & 0xFFFF) << 3, int(paladdr));
+ uint wrapmode = attr >> 16;
+
+ uint type = (attr >> 26) & 0x7;
+ if (type == 5) return TextureFetch_Compressed(vramaddr, st_full, wrapmode);
+ else if (type == 2) return TextureFetch_I2 (vramaddr, st_full, wrapmode, alpha0);
+ else if (type == 3) return TextureFetch_I4 (vramaddr, st_full, wrapmode, alpha0);
+ else if (type == 4) return TextureFetch_I8 (vramaddr, st_full, wrapmode, alpha0);
+ else if (type == 1) return TextureFetch_A3I5 (vramaddr, st_full, wrapmode);
+ else if (type == 6) return TextureFetch_A5I3 (vramaddr, st_full, wrapmode);
+ else return TextureFetch_Direct (vramaddr, st_full, wrapmode);
}
vec4 TextureLookup_Linear(vec2 texcoord)
@@ -375,10 +390,71 @@ vec4 TextureLookup_Linear(vec2 texcoord)
ivec2 intpart = ivec2(texcoord);
vec2 fracpart = fract(texcoord);
- vec4 A = TextureLookup(intpart);
- vec4 B = TextureLookup(intpart + ivec2(1,0));
- vec4 C = TextureLookup(intpart + ivec2(0,1));
- vec4 D = TextureLookup(intpart + ivec2(1,1));
+ uint attr = fPolygonAttr.y;
+ uint paladdr = fPolygonAttr.z;
+
+ float alpha0;
+ if ((attr & (1<<29)) != 0) alpha0 = 0.0;
+ else alpha0 = 1.0;
+
+ int tw = 8 << int((attr >> 20) & 0x7);
+ int th = 8 << int((attr >> 23) & 0x7);
+ ivec4 st_full = ivec4(intpart, tw, th);
+
+ ivec2 vramaddr = ivec2(int(attr & 0xFFFF) << 3, int(paladdr));
+ uint wrapmode = attr >> 16;
+
+ vec4 A, B, C, D;
+ uint type = (attr >> 26) & 0x7;
+ if (type == 5)
+ {
+ A = TextureFetch_Compressed(vramaddr, st_full , wrapmode);
+ B = TextureFetch_Compressed(vramaddr, st_full + ivec4(1,0,0,0), wrapmode);
+ C = TextureFetch_Compressed(vramaddr, st_full + ivec4(0,1,0,0), wrapmode);
+ D = TextureFetch_Compressed(vramaddr, st_full + ivec4(1,1,0,0), wrapmode);
+ }
+ else if (type == 2)
+ {
+ A = TextureFetch_I2(vramaddr, st_full , wrapmode, alpha0);
+ B = TextureFetch_I2(vramaddr, st_full + ivec4(1,0,0,0), wrapmode, alpha0);
+ C = TextureFetch_I2(vramaddr, st_full + ivec4(0,1,0,0), wrapmode, alpha0);
+ D = TextureFetch_I2(vramaddr, st_full + ivec4(1,1,0,0), wrapmode, alpha0);
+ }
+ else if (type == 3)
+ {
+ A = TextureFetch_I4(vramaddr, st_full , wrapmode, alpha0);
+ B = TextureFetch_I4(vramaddr, st_full + ivec4(1,0,0,0), wrapmode, alpha0);
+ C = TextureFetch_I4(vramaddr, st_full + ivec4(0,1,0,0), wrapmode, alpha0);
+ D = TextureFetch_I4(vramaddr, st_full + ivec4(1,1,0,0), wrapmode, alpha0);
+ }
+ else if (type == 4)
+ {
+ A = TextureFetch_I8(vramaddr, st_full , wrapmode, alpha0);
+ B = TextureFetch_I8(vramaddr, st_full + ivec4(1,0,0,0), wrapmode, alpha0);
+ C = TextureFetch_I8(vramaddr, st_full + ivec4(0,1,0,0), wrapmode, alpha0);
+ D = TextureFetch_I8(vramaddr, st_full + ivec4(1,1,0,0), wrapmode, alpha0);
+ }
+ else if (type == 1)
+ {
+ A = TextureFetch_A3I5(vramaddr, st_full , wrapmode);
+ B = TextureFetch_A3I5(vramaddr, st_full + ivec4(1,0,0,0), wrapmode);
+ C = TextureFetch_A3I5(vramaddr, st_full + ivec4(0,1,0,0), wrapmode);
+ D = TextureFetch_A3I5(vramaddr, st_full + ivec4(1,1,0,0), wrapmode);
+ }
+ else if (type == 6)
+ {
+ A = TextureFetch_A5I3(vramaddr, st_full , wrapmode);
+ B = TextureFetch_A5I3(vramaddr, st_full + ivec4(1,0,0,0), wrapmode);
+ C = TextureFetch_A5I3(vramaddr, st_full + ivec4(0,1,0,0), wrapmode);
+ D = TextureFetch_A5I3(vramaddr, st_full + ivec4(1,1,0,0), wrapmode);
+ }
+ else
+ {
+ A = TextureFetch_Direct(vramaddr, st_full , wrapmode);
+ B = TextureFetch_Direct(vramaddr, st_full + ivec4(1,0,0,0), wrapmode);
+ C = TextureFetch_Direct(vramaddr, st_full + ivec4(0,1,0,0), wrapmode);
+ D = TextureFetch_Direct(vramaddr, st_full + ivec4(1,1,0,0), wrapmode);
+ }
float fx = fracpart.x;
vec4 AB;