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// Project: Salis
// Author: Paul Oliver
// Email: contact@pauloliver.dev
/*
* This module renders the contents of the VM memory buffer into a 7 channel
* image. It supports zooming in and out, condensing the state of several
* bytes of memory into single pixels, when zoomed out. When zoomed in, each
* pixel represents a single byte in memory.
*/
u64 g_gfx_vsiz; // zoom level
u64 *g_gfx_inst; // instruction channel
u64 *g_gfx_mall; // allocated state channel
u64 *g_gfx_mbst; // memory block start channel
u64 *g_gfx_mb0s; // selected organism's memory block #1 channel
u64 *g_gfx_mb1s; // selected organism's memory block #2 channel
u64 *g_gfx_ipas; // selected organism's IP channel
u64 *g_gfx_spas; // selected organism's SP channel
void gfx_init(u64 vsiz) {
assert(vsiz);
g_gfx_vsiz = vsiz;
g_gfx_inst = calloc(g_gfx_vsiz, sizeof(u64));
g_gfx_mall = calloc(g_gfx_vsiz, sizeof(u64));
g_gfx_mbst = calloc(g_gfx_vsiz, sizeof(u64));
g_gfx_mb0s = calloc(g_gfx_vsiz, sizeof(u64));
g_gfx_mb1s = calloc(g_gfx_vsiz, sizeof(u64));
g_gfx_ipas = calloc(g_gfx_vsiz, sizeof(u64));
g_gfx_spas = calloc(g_gfx_vsiz, sizeof(u64));
assert(g_gfx_inst);
assert(g_gfx_mall);
assert(g_gfx_mbst);
assert(g_gfx_mb0s);
assert(g_gfx_mb1s);
assert(g_gfx_ipas);
assert(g_gfx_spas);
}
void gfx_free() {
if (g_gfx_vsiz == 0) {
return;
}
assert(g_gfx_inst);
assert(g_gfx_mall);
assert(g_gfx_mbst);
assert(g_gfx_mb0s);
assert(g_gfx_mb1s);
assert(g_gfx_ipas);
assert(g_gfx_spas);
g_gfx_vsiz = 0;
free(g_gfx_inst);
free(g_gfx_mall);
free(g_gfx_mbst);
free(g_gfx_mb0s);
free(g_gfx_mb1s);
free(g_gfx_ipas);
free(g_gfx_spas);
g_gfx_inst = NULL;
g_gfx_mall = NULL;
g_gfx_mbst = NULL;
g_gfx_mb0s = NULL;
g_gfx_mb1s = NULL;
g_gfx_ipas = NULL;
g_gfx_spas = NULL;
}
void gfx_resize(u64 vsiz) {
assert(vsiz);
gfx_free();
gfx_init(vsiz);
}
void gfx_render_inst(const Core *core, u64 pos, u64 zoom) {
assert(core);
for (u64 i = 0; i < g_gfx_vsiz; ++i) {
g_gfx_inst[i] = 0;
g_gfx_mall[i] = 0;
for (u64 j = 0; j < zoom; ++j) {
u64 addr = pos + (i * zoom) + j;
u8 byte = mvec_get_byte(core, addr);
g_gfx_inst[i] += byte;
g_gfx_mall[i] += (byte & MALL_FLAG) ? 1 : 0;
}
}
}
void gfx_clear_array(u64 *arry) {
assert(arry);
memset(arry, 0, g_gfx_vsiz * sizeof(u64));
}
void gfx_accumulate_pixel(u64 pos, u64 zoom, u64 pixa, u64 *arry) {
assert(arry);
u64 beg_mod = pos % MVEC_SIZE;
u64 end_mod = beg_mod + (g_gfx_vsiz * zoom);
u64 pix_mod = pixa % MVEC_SIZE;
#ifndef NDEBUG
u64 inc_cnt = 0;
#endif
while (pix_mod < end_mod) {
if (pix_mod >= beg_mod && pix_mod < end_mod) {
u64 pixi = (pix_mod - beg_mod) / zoom;
assert(pixi < g_gfx_vsiz);
arry[pixi]++;
#ifndef NDEBUG
inc_cnt++;
#endif
}
pix_mod += MVEC_SIZE;
}
#ifndef NDEBUG
if (zoom != 1) {
assert(inc_cnt <= 2);
}
#endif
}
void gfx_render_mbst(const Core *core, u64 pos, u64 zoom) {
assert(core);
gfx_clear_array(g_gfx_mbst);
for (u64 pix = core->pfst; pix <= core->plst; ++pix) {
u64 mb0a = arch_proc_mb0_addr(core, pix);
u64 mb1a = arch_proc_mb1_addr(core, pix);
gfx_accumulate_pixel(pos, zoom, mb0a, g_gfx_mbst);
gfx_accumulate_pixel(pos, zoom, mb1a, g_gfx_mbst);
}
}
void gfx_render_mb0s(const Core *core, u64 pos, u64 zoom, u64 psel) {
assert(core);
gfx_clear_array(g_gfx_mb0s);
if (psel < core->pfst || psel > core->plst) {
return;
}
u64 mb0a = arch_proc_mb0_addr(core, psel);
u64 mb0s = arch_proc_mb0_size(core, psel);
for (u64 i = 0; i < mb0s; ++i) {
gfx_accumulate_pixel(pos, zoom, mb0a + i, g_gfx_mb0s);
}
}
void gfx_render_mb1s(const Core *core, u64 pos, u64 zoom, u64 psel) {
assert(core);
gfx_clear_array(g_gfx_mb1s);
if (psel < core->pfst || psel > core->plst) {
return;
}
u64 mb1a = arch_proc_mb1_addr(core, psel);
u64 mb1s = arch_proc_mb1_size(core, psel);
for (u64 i = 0; i < mb1s; ++i) {
gfx_accumulate_pixel(pos, zoom, mb1a + i, g_gfx_mb1s);
}
}
void gfx_render_ipas(const Core *core, u64 pos, u64 zoom, u64 psel) {
assert(core);
gfx_clear_array(g_gfx_ipas);
if (psel < core->pfst || psel > core->plst) {
return;
}
u64 ipa = arch_proc_ip_addr(core, psel);
gfx_accumulate_pixel(pos, zoom, ipa, g_gfx_ipas);
}
void gfx_render_spas(const Core *core, u64 pos, u64 zoom, u64 psel) {
assert(core);
gfx_clear_array(g_gfx_spas);
if (psel < core->pfst || psel > core->plst) {
return;
}
u64 spa = arch_proc_sp_addr(core, psel);
gfx_accumulate_pixel(pos, zoom, spa, g_gfx_spas);
}
void gfx_render(const Core *core, u64 pos, u64 zoom, u64 psel) {
assert(core);
gfx_render_inst(core, pos, zoom);
gfx_render_mbst(core, pos, zoom);
gfx_render_mb0s(core, pos, zoom, psel);
gfx_render_mb1s(core, pos, zoom, psel);
gfx_render_ipas(core, pos, zoom, psel);
gfx_render_spas(core, pos, zoom, psel);
}
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