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blending now works

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Unknown 2019-09-24 22:04:53 +01:00
parent 9c120fe236
commit 573ea221fb
1 changed files with 20 additions and 29 deletions
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49
test/blending/blending.cpp
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@ -821,34 +821,6 @@ void CreateFramebuffer()
void CreateShaders()
{
/**
//blending equation
rR = (sR * sA) + (dR * (1 - sA))
rG = (sG * sA) + (dG * (1 - sA))
rB = (sB * sA) + (dB * (1 - sA))
rA = (sA * sA) + (dA * (1 - sA))
0x100049e0203e303e nop nop, r0, r0 ; fmul r0, vary, ra15
0x100248a1213e317e fadd r2, r0, r5 ; fmul r1, vary, ra15
0x114248e1819e7352 fadd r3, r1, r5 ; mov r1.8a, r2
0x115049e1809e701b nop nop, r0, r0 ; mov r1.8b, r3
0xd16049e1809c003f sig_small_imm nop nop, r0, r0 ; mov r1.8c, 0
0x113049e0809e7012 nop nop, r0, r0 ; mov r0.8888, r2 //mov r2 to all channels
0x117049e1809e7012 nop nop, r0, r0 ; mov r1.8d, r2 //mov r2 to alpha
//r3 = r1 * r0 (sRGBA * sAAAA)
//r1 = ~r0 (essentially 1-sA)
0x10024863779e7008 not r1, r0, r0 ; v8muld r3, r1, r0
//load tlb color to r4
0x800009e7009e7000 sig_color_load nop nop, r0, r0 ; nop nop, r0, r0
//r2 = r4 * r1 (dRGBA * (1 - sA))
0x100049e2609e7021 nop nop, r0, r0 ; v8muld r2, r4, r1
//tlb color (all samples) = r3 + r2
0x100059eec09e701a nop nop, r0, r0 ; v8adds tlb_color_all, r3, r2
0x300009e7009e7000 sig_end nop nop, r0, r0 ; nop nop, r0, r0
0x100009e7009e7000 nop nop, r0, r0 ; nop nop, r0, r0
0x500009e7009e7000 sig_unlock_score nop nop, r0, r0 ; nop nop, r0, r0
/**/
char vs_asm_code[] =
///0x40000000 = 2.0
///uni = 1.0
@ -980,7 +952,26 @@ rA = (sA * sA) + (dA * (1 - sA))
"sig_none ; nop = nop(r0, r0) ; nop = nop(r0, r0) ;"
"sig_none ; nop = nop(r0, r0) ; nop = nop(r0, r0) ;"
"sig_none ; tlb_z = or.always(b, b, nop, rb15) ; nop = nop(r0, r0) ;"
"sig_none ; tlb_color_all = or.always(a, a, uni, nop) ; nop = nop(r0, r0) ;"
/// instead of outputting the final color
/// we patch the shader (eventually in the driver)
/// so that it performs the desired blending mode
///"sig_none ; tlb_color_all = or.always(a, a, uni, nop) ; nop = nop(r0, r0) ;"
///"sig_end ; nop = nop(r0, r0) ; nop = nop(r0, r0) ;"
///"sig_none ; nop = nop(r0, r0) ; nop = nop(r0, r0) ;"
///"sig_unlock_score ; nop = nop(r0, r0) ; nop = nop(r0, r0) ;"
///
/// r0 contains sRGBA
"sig_none ; r0 = or.always(a, a, uni, nop) ; nop = nop(r0, r0) ;"
/// prepare sAAAA to r1
/// load tbl color dRGBA to r4
"sig_color_load ; r1.8888 = or.always.8d(r0, r0) ; nop = nop(r0, r0) ;"
/// prepare 1 - sAAAA to r2
/// prepare sRGBA * sAAAA to r0
"sig_none ; r2 = not.always(r1, r1) ; r0 = v8muld.always(r0, r1) ;"
/// prepare (1 - sAAAA) * dRGBA
"sig_none ; nop = nop(r0, r0) ; r2 = v8muld.always(r2, r4) ;"
/// output sRGBA * sAAAA + dRGBA * (1 - sAAAA)
"sig_none ; nop = nop(r0, r0) ; tlb_color_all = v8adds.always(r2, r0) ;"
"sig_end ; nop = nop(r0, r0) ; nop = nop(r0, r0) ;"
"sig_none ; nop = nop(r0, r0) ; nop = nop(r0, r0) ;"
"sig_unlock_score ; nop = nop(r0, r0) ; nop = nop(r0, r0) ;"