summaryrefslogtreecommitdiff
path: root/kernel/framebuffer.cpp
diff options
context:
space:
mode:
authorBenji Dial <benji@benjidial.net>2024-05-18 21:53:38 -0400
committerBenji Dial <benji@benjidial.net>2024-05-18 21:53:38 -0400
commitb1a912a8a6ff472a49b2e0a09cfd433adfc2cb24 (patch)
tree5009d4415ba13e4baa37f3d0271852528130fd3b /kernel/framebuffer.cpp
parenta8a80d326de9550b2a25b1255a2093ab43219ede (diff)
downloadhilbert-os-b1a912a8a6ff472a49b2e0a09cfd433adfc2cb24.tar.gz
reorganization, cross compiler
Diffstat (limited to 'kernel/framebuffer.cpp')
-rw-r--r--kernel/framebuffer.cpp65
1 files changed, 0 insertions, 65 deletions
diff --git a/kernel/framebuffer.cpp b/kernel/framebuffer.cpp
deleted file mode 100644
index 08d0e16..0000000
--- a/kernel/framebuffer.cpp
+++ /dev/null
@@ -1,65 +0,0 @@
-#include <hilbert/kernel/application.hpp>
-#include <hilbert/kernel/framebuffer.hpp>
-
-namespace hilbert::kernel::framebuffer {
-
- uint64_t paddr;
- static uint32_t *vaddr;
- int width;
- int height;
- int dword_pitch;
-
- void init_framebuffer(uint64_t paddr, uint64_t vaddr,
- uint64_t width, uint64_t height, uint64_t pitch
- ) {
-
- //TODO: assumes 32-bpp rgb
-
- framebuffer::paddr = paddr;
- framebuffer::vaddr = (uint32_t *)vaddr;
- framebuffer::width = width;
- framebuffer::height = height;
- dword_pitch = pitch / 4;
-
- }
-
- color encode_color(uint8_t r, uint8_t g, uint8_t b) {
- return ((uint32_t)r << 16) | ((uint32_t)g << 8) | (uint32_t)b;
- }
-
- void set_pixel(int x, int y, color c) {
- vaddr[y * dword_pitch + x] = c;
- }
-
- void move_region(
- int from_start_x, int from_start_y, int from_end_x,
- int from_end_y, int to_start_x, int to_start_y
- ) {
-
- int region_width = from_end_x - from_start_x;
- int region_height = from_end_y - from_start_y;
-
- int from_start_offset = from_start_y * dword_pitch + from_start_x;
- int to_start_offset = to_start_y * dword_pitch + to_start_x;
-
- if (from_start_offset > to_start_offset)
- for (int y = 0; y < region_height; ++y)
- for (int x = 0; x < region_width; ++x)
- vaddr[to_start_offset + y * dword_pitch + x] =
- vaddr[from_start_offset + y * dword_pitch + x];
-
- else if (from_start_offset < to_start_offset)
- for (int y = region_height - 1; y >= 0; --y)
- for (int x = region_width - 1; x >= 0; --x)
- vaddr[to_start_offset + y * dword_pitch + x] =
- vaddr[from_start_offset + y * dword_pitch + x];
-
- }
-
- void fill_region(int start_x, int start_y, int end_x, int end_y, color c) {
- for (int y = start_y; y < end_y; ++y)
- for (int x = start_x; x < end_x; ++x)
- vaddr[y * dword_pitch + x] = c;
- }
-
-}