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trying to figure out how to go from rgba8 attribs to color on screen

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yours3lf 2020-05-06 23:20:46 +01:00
parent 4cd8678d3f
commit 78ae1e045b
1 changed files with 31 additions and 26 deletions
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57
test/attribTest/attribTest.cpp
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@ -909,10 +909,14 @@ void CreateShaders()
///vpm = rb0 (1)
"sig_none ; vpm = or.always(b, b, nop, rb0) ; nop = nop(r0, r0);\n"
///vpm = r0
"sig_none ; vpm.nop = itof.always.8a(r0, r0) ; nop = nop.never(r0, r0) ; "
"sig_none ; vpm.nop = itof.always.8b(r0, r0) ; nop = nop.never(r0, r0) ; "
"sig_none ; vpm.nop = itof.always.8c(r0, r0) ; nop = nop.never(r0, r0) ; "
"sig_none ; vpm.nop = itof.always.8d(r0, r0) ; nop = nop.never(r0, r0) ; "
"sig_none ; r1.nop = or.always.8a(r0, r0) ; nop = nop(r0, r0) ; "
"sig_none ; vpm.nop = itof.always(r1, r1) ; nop = nop(r0, r0) ; "
"sig_none ; r1.nop = or.always.8b(r0, r0) ; nop = nop(r0, r0) ; "
"sig_none ; vpm.nop = itof.always(r1, r1) ; nop = nop(r0, r0) ; "
"sig_none ; r1.nop = or.always.8c(r0, r0) ; nop = nop(r0, r0) ; "
"sig_none ; vpm.nop = itof.always(r1, r1) ; nop = nop(r0, r0) ; "
"sig_none ; r1.nop = or.always.8d(r0, r0) ; nop = nop(r0, r0) ; "
"sig_none ; vpm.nop = itof.always(r1, r1) ; nop = nop(r0, r0) ; "
///END
"sig_end ; nop = nop(r0, r0) ; nop = nop(r0, r0) ;\n"
"sig_none ; nop = nop(r0, r0) ; nop = nop(r0, r0) ;\n"
@ -1015,10 +1019,10 @@ void CreateShaders()
///r0 = varyingX * W
"sig_none ; nop = nop(r0, r0, pay_zw, vary) ; r0 = fmul.always(a, b) ;"
///r2 = r0 + r5 (C)
"sig_none ; rx0 = fadd.always(r0, r5, pay_zw, vary) ; r0 = fmul.always(a, b) ;"
"sig_none ; rx1 = fadd.always(r0, r5, pay_zw, vary) ; r0 = fmul.always(a, b) ;"
"sig_none ; rx2 = fadd.always(r0, r5, pay_zw, vary) ; r0 = fmul.always(a, b) ;"
"sig_none ; rx3 = fadd.always(r0, r5) ; nop = nop(r0, r0) ;"
"sig_none ; rx0 = fadd.always(r0, r5, pay_zw, vary) ; r1 = fmul.always(a, b) ;"
"sig_none ; rx1 = fadd.always(r1, r5, pay_zw, vary) ; r2 = fmul.always(a, b) ;"
"sig_none ; rx2 = fadd.always(r2, r5, pay_zw, vary) ; r3 = fmul.always(a, b) ;"
"sig_none ; rx3 = fadd.always(r3, r5) ; nop = nop(r0, r0) ;"
"sig_none ; nop = nop.pm(r0, r0, ra0, nop) ; r0.8a = v8min.always(a, a) ;"
"sig_none ; nop = nop.pm(r0, r0, ra1, nop) ; r0.8b = v8min.always(a, a) ;"
"sig_none ; nop = nop.pm(r0, r0, ra2, nop) ; r0.8c = v8min.always(a, a) ;"
@ -1299,26 +1303,27 @@ void CreateVertexBuffer()
res = vkAllocateMemory(device, &mai, 0, &vertexBufferMemory);
float vertices[9] =
{ // verts
-1, 1,
1, 1,
0, -1,
};
((uint8_t*)&vertices[6])[0] = 255;
((uint8_t*)&vertices[6])[1] = 0;
((uint8_t*)&vertices[6])[2] = 0;
((uint8_t*)&vertices[6])[3] = 255;
uint32_t vertices[9];
((float*)vertices)[0] = -1;
((float*)vertices)[1] = 1;
((float*)vertices)[2] = 1;
((float*)vertices)[3] = 1;
((float*)vertices)[4] = 0;
((float*)vertices)[5] = -1;
((uint8_t*)vertices)[6*4 + 0] = 1;
((uint8_t*)vertices)[6*4 + 1] = 0;
((uint8_t*)vertices)[6*4 + 2] = 0;
((uint8_t*)vertices)[6*4 + 3] = 0;
((uint8_t*)&vertices[7])[0] = 0;
((uint8_t*)&vertices[7])[1] = 255;
((uint8_t*)&vertices[7])[2] = 0;
((uint8_t*)&vertices[7])[3] = 255;
((uint8_t*)vertices)[7*4 + 0] = 0;
((uint8_t*)vertices)[7*4 + 1] = 0;
((uint8_t*)vertices)[7*4 + 2] = 0;
((uint8_t*)vertices)[7*4 + 3] = 0;
((uint8_t*)&vertices[8])[0] = 0;
((uint8_t*)&vertices[8])[1] = 0;
((uint8_t*)&vertices[8])[2] = 128;
((uint8_t*)&vertices[8])[3] = 255;
((uint8_t*)vertices)[8*4 + 0] = 0;
((uint8_t*)vertices)[8*4 + 1] = 0;
((uint8_t*)vertices)[8*4 + 2] = 0;
((uint8_t*)vertices)[8*4 + 3] = 0;
void* data;
res = vkMapMemory(device, vertexBufferMemory, 0, mr.size, 0, &data);