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no libc, start on socket x11

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veclavtlica
2026-10-04 11:13:07 +03:00
parent 1125073568
commit 14062e9d00
21 changed files with 516 additions and 222 deletions
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Player/draw.c
+30 -14
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@@ -1,6 +1,8 @@
#include "../Common/def.h"
#include "../Common/gem.h"
#include "../Common/std.h"
#include "../Common/time.h"
#include <stdint.h>
#if COM_DEF_TARGET == COM_DEF_TARGET_WASM
@@ -33,38 +35,52 @@ com_def_export_sym("plr_draw_screen") void plr_draw_screen(
com_vec_from(-COM_FIX_FRACUNIT, 0, 0));
com_mat_t mvp = com_mat_reoder(com_mat_mul(proj, view));
com_vec_t v0 = com_vec_from(5 * COM_FIX_FRACUNIT, 0, 2 * COM_FIX_FRACUNIT);
com_vec_t v1 = com_vec_from(5 * COM_FIX_FRACUNIT, 1 * COM_FIX_FRACUNIT,
4 * COM_FIX_FRACUNIT);
com_vec_t v2 = com_vec_from(5 * COM_FIX_FRACUNIT, 4 * COM_FIX_FRACUNIT,
4 * COM_FIX_FRACUNIT);
com_vec_t v0 = com_vec_from(0 * COM_FIX_FRACUNIT, 0, 1 * COM_FIX_FRACUNIT);
com_vec_t v1 = com_vec_from(1 * COM_FIX_FRACUNIT, 1 * COM_FIX_FRACUNIT,
1 * COM_FIX_FRACUNIT);
com_vec_t v2 = com_vec_from(1 * COM_FIX_FRACUNIT, 1 * COM_FIX_FRACUNIT,
1 * COM_FIX_FRACUNIT);
com_vec_t v3 = com_vec_from(1 * COM_FIX_FRACUNIT, 1 * COM_FIX_FRACUNIT,
-1 * COM_FIX_FRACUNIT);
com_pnt_t uv0 = com_pnt_from(0 * COM_FIX_FRACUNIT, 0 * COM_FIX_FRACUNIT);
com_pnt_t uv1 = com_pnt_from(1 * COM_FIX_FRACUNIT, 0 * COM_FIX_FRACUNIT);
com_pnt_t uv2 = com_pnt_from(1 * COM_FIX_FRACUNIT, 1 * COM_FIX_FRACUNIT);
com_pnt_t uv3 = com_pnt_from(0 * COM_FIX_FRACUNIT, 1 * COM_FIX_FRACUNIT);
com_vec_t c0 = com_gem_vec_project_clip(mvp, v0);
com_vec_t c1 = com_gem_vec_project_clip(mvp, v1);
com_vec_t c2 = com_gem_vec_project_clip(mvp, v2);
com_vec_t c3 = com_gem_vec_project_clip(mvp, v3);
com_pnt_t p0, p1, p2;
com_pnt_t p0, p1, p2, p3;
uint8_t cc0 = com_gem_clip_vis_project(c0, &p0);
uint8_t cc1 = com_gem_clip_vis_project(c1, &p1);
uint8_t cc2 = com_gem_clip_vis_project(c2, &p2);
uint8_t cc3 = com_gem_clip_vis_project(c3, &p3);
com_pnt_print(p0);
com_pnt_print(p1);
com_pnt_print(p2);
com_std_printf("%i, %i\n", p0.a[0], p0.a[1]);
com_std_printf("%i, %i\n", p1.a[0], p1.a[1]);
com_std_printf("%i, %i\n", p2.a[0], p2.a[1]);
com_std_printf("%i, %i\n", p3.a[0], p3.a[1]);
uint8_t tex[32 * 32 * 3] = {0};
for (int y = 0; y < 32; ++y) {
for (int x = 0; x < 32; ++x) {
tex[(y * 32 + x) * 3 + 0] = (x / 2 + y / 2) % 2 == 0 ? 175 : 0;
tex[(y * 32 + x) * 3 + 1] = (x / 2 + y / 2) % 2 == 0 ? 0 : 0;
tex[(y * 32 + x) * 3 + 2] = (x / 2 + y / 2) % 2 == 0 ? 175 : 0;
// uint32_t idx = com_zord_order(x, y);
uint32_t idx = y * 32 + x;
tex[idx * 3 + 0] = (x / 2 + y / 2) % 2 == 0 ? 175 : 0;
tex[idx * 3 + 1] = (x / 2 + y / 2) % 2 == 0 ? 0 : 0;
tex[idx * 3 + 2] = (x / 2 + y / 2) % 2 == 0 ? 175 : 0;
}
}
com_gem_draw_triangle_textured(p0, p1, p2, (uint8_t *)pixel_buffer, uv0, uv1,
uv2, tex);
uint64_t time = com_timer_count_ns();
for (int i = 5000; i--;) {
// com_gem_draw_triangle_textured_edge(p0, p1, p2, (uint8_t *)pixel_buffer,
// uv0, uv1, uv2, tex);
// com_gem_draw_triangle_textured_span(p0, p1, p3, (uint8_t *)pixel_buffer,
// uv0, uv1, uv3, tex);
}
com_timer_profile(time, "textured triangle");
}