diff options
Diffstat (limited to 'source/blender/draw/intern/shaders/draw_debug_print_display_frag.glsl')
| -rw-r--r-- | source/blender/draw/intern/shaders/draw_debug_print_display_frag.glsl | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/source/blender/draw/intern/shaders/draw_debug_print_display_frag.glsl b/source/blender/draw/intern/shaders/draw_debug_print_display_frag.glsl new file mode 100644 index 00000000000..83179c80da6 --- /dev/null +++ b/source/blender/draw/intern/shaders/draw_debug_print_display_frag.glsl @@ -0,0 +1,133 @@ + +/** + * Display characters using an ascii table. + **/ + +#pragma BLENDER_REQUIRE(common_math_lib.glsl) + +bool char_intersect(uvec2 bitmap_position) +{ + /* Using 8x8 = 64bits = uvec2. */ + uvec2 ascii_bitmap[96] = array(uvec2)(uvec2(0x00000000u, 0x00000000u), + uvec2(0x18001800u, 0x183c3c18u), + uvec2(0x00000000u, 0x36360000u), + uvec2(0x7f363600u, 0x36367f36u), + uvec2(0x301f0c00u, 0x0c3e031eu), + uvec2(0x0c666300u, 0x00633318u), + uvec2(0x3b336e00u, 0x1c361c6eu), + uvec2(0x00000000u, 0x06060300u), + uvec2(0x060c1800u, 0x180c0606u), + uvec2(0x180c0600u, 0x060c1818u), + uvec2(0x3c660000u, 0x00663cffu), + uvec2(0x0c0c0000u, 0x000c0c3fu), + uvec2(0x000c0c06u, 0x00000000u), + uvec2(0x00000000u, 0x0000003fu), + uvec2(0x000c0c00u, 0x00000000u), + uvec2(0x06030100u, 0x6030180cu), + uvec2(0x6f673e00u, 0x3e63737bu), + uvec2(0x0c0c3f00u, 0x0c0e0c0cu), + uvec2(0x06333f00u, 0x1e33301cu), + uvec2(0x30331e00u, 0x1e33301cu), + uvec2(0x7f307800u, 0x383c3633u), + uvec2(0x30331e00u, 0x3f031f30u), + uvec2(0x33331e00u, 0x1c06031fu), + uvec2(0x0c0c0c00u, 0x3f333018u), + uvec2(0x33331e00u, 0x1e33331eu), + uvec2(0x30180e00u, 0x1e33333eu), + uvec2(0x000c0c00u, 0x000c0c00u), + uvec2(0x000c0c06u, 0x000c0c00u), + uvec2(0x060c1800u, 0x180c0603u), + uvec2(0x003f0000u, 0x00003f00u), + uvec2(0x180c0600u, 0x060c1830u), + uvec2(0x0c000c00u, 0x1e333018u), + uvec2(0x7b031e00u, 0x3e637b7bu), + uvec2(0x3f333300u, 0x0c1e3333u), + uvec2(0x66663f00u, 0x3f66663eu), + uvec2(0x03663c00u, 0x3c660303u), + uvec2(0x66361f00u, 0x1f366666u), + uvec2(0x16467f00u, 0x7f46161eu), + uvec2(0x16060f00u, 0x7f46161eu), + uvec2(0x73667c00u, 0x3c660303u), + uvec2(0x33333300u, 0x3333333fu), + uvec2(0x0c0c1e00u, 0x1e0c0c0cu), + uvec2(0x33331e00u, 0x78303030u), + uvec2(0x36666700u, 0x6766361eu), + uvec2(0x46667f00u, 0x0f060606u), + uvec2(0x6b636300u, 0x63777f7fu), + uvec2(0x73636300u, 0x63676f7bu), + uvec2(0x63361c00u, 0x1c366363u), + uvec2(0x06060f00u, 0x3f66663eu), + uvec2(0x3b1e3800u, 0x1e333333u), + uvec2(0x36666700u, 0x3f66663eu), + uvec2(0x38331e00u, 0x1e33070eu), + uvec2(0x0c0c1e00u, 0x3f2d0c0cu), + uvec2(0x33333f00u, 0x33333333u), + uvec2(0x331e0c00u, 0x33333333u), + uvec2(0x7f776300u, 0x6363636bu), + uvec2(0x1c366300u, 0x6363361cu), + uvec2(0x0c0c1e00u, 0x3333331eu), + uvec2(0x4c667f00u, 0x7f633118u), + uvec2(0x06061e00u, 0x1e060606u), + uvec2(0x30604000u, 0x03060c18u), + uvec2(0x18181e00u, 0x1e181818u), + uvec2(0x00000000u, 0x081c3663u), + uvec2(0x000000ffu, 0x00000000u), + uvec2(0x00000000u, 0x0c0c1800u), + uvec2(0x3e336e00u, 0x00001e30u), + uvec2(0x66663b00u, 0x0706063eu), + uvec2(0x03331e00u, 0x00001e33u), + uvec2(0x33336e00u, 0x3830303eu), + uvec2(0x3f031e00u, 0x00001e33u), + uvec2(0x06060f00u, 0x1c36060fu), + uvec2(0x333e301fu, 0x00006e33u), + uvec2(0x66666700u, 0x0706366eu), + uvec2(0x0c0c1e00u, 0x0c000e0cu), + uvec2(0x3033331eu, 0x30003030u), + uvec2(0x1e366700u, 0x07066636u), + uvec2(0x0c0c1e00u, 0x0e0c0c0cu), + uvec2(0x7f6b6300u, 0x0000337fu), + uvec2(0x33333300u, 0x00001f33u), + uvec2(0x33331e00u, 0x00001e33u), + uvec2(0x663e060fu, 0x00003b66u), + uvec2(0x333e3078u, 0x00006e33u), + uvec2(0x66060f00u, 0x00003b6eu), + uvec2(0x1e301f00u, 0x00003e03u), + uvec2(0x0c2c1800u, 0x080c3e0cu), + uvec2(0x33336e00u, 0x00003333u), + uvec2(0x331e0c00u, 0x00003333u), + uvec2(0x7f7f3600u, 0x0000636bu), + uvec2(0x1c366300u, 0x00006336u), + uvec2(0x333e301fu, 0x00003333u), + uvec2(0x0c263f00u, 0x00003f19u), + uvec2(0x0c0c3800u, 0x380c0c07u), + uvec2(0x18181800u, 0x18181800u), + uvec2(0x0c0c0700u, 0x070c0c38u), + uvec2(0x00000000u, 0x6e3b0000u), + uvec2(0x00000000u, 0x00000000u)); + + if (!in_range_inclusive(bitmap_position, uvec2(0), uvec2(7))) { + return false; + } + uint char_bits = ascii_bitmap[char_index][bitmap_position.y >> 2u & 1u]; + char_bits = (char_bits >> ((bitmap_position.y & 3u) * 8u + bitmap_position.x)); + return (char_bits & 1u) != 0u; +} + +void main() +{ + uvec2 bitmap_position = uvec2(gl_PointCoord.xy * 8.0); + /* Point coord start from top left corner. But layout is from bottom to top. */ + bitmap_position.y = 7 - bitmap_position.y; + + if (char_intersect(bitmap_position)) { + out_color = vec4(1); + } + else if (char_intersect(bitmap_position + uvec2(0, 1))) { + /* Shadow */ + out_color = vec4(0, 0, 0, 1); + } + else { + /* Transparent Background for ease of read. */ + out_color = vec4(0, 0, 0, 0.2); + } +}
\ No newline at end of file |