Made first major changes; missing integration and optimization

kernel/inc/drivers/gfx/command_queue.h

@@ -0,0 +1,12 @@
+
+#ifndef NOX_GRAPHICS_COMMAND_QUEUE_H
+#define NOX_GRAPHICS_COMMAND_QUEUE_H
+
+#include <utils/math.h>
+#include <utils/memory.h>
+#include <utils/stdtypes.h>
+
+// TODO
+
+#endif
+

kernel/inc/drivers/gfx/default_implementation.h

@@ -0,0 +1,12 @@
+
+#ifndef NOX_GRAPHICS_DEFAULT_IMPLEMENTATION_H
+#define NOX_GRAPHICS_DEFAULT_IMPLEMENTATION_H
+
+#include <utils/math.h>
+#include <utils/memory.h>
+#include <utils/stdtypes.h>
+
+// TODO
+
+#endif
+

kernel/inc/drivers/gfx/graphics_driver.h

@@ -0,0 +1,35 @@
+
+#ifndef NOX_GRAPHICS_DRIVER_H
+#define NOX_GRAPHICS_DRIVER_H
+
+#include <boot/boot_info.h>
+
+#include <utils/math.h>
+#include <utils/memory.h>
+#include <utils/stdtypes.h>
+
+#include <drivers/gfx/pixelbuffer.h>
+
+typedef struct framebuffer_t {
+    
+    uint32_t                pixel_width;
+    uint32_t                pixel_height;
+    uint8_t                 pixel_stride;
+    
+    void                   *memory_mapping;
+    pixelbuffer_T          *root_pixelbuffer;
+    
+} framebuffer_T;
+
+typedef struct graphics_driver_t {
+    
+    uint32_t                num_framebuffers;
+    framebuffer_T          *framebuffers;
+    
+} graphics_driver_T;
+
+graphics_driver_T *         create_graphics_driver_from_boot_info(boot_info_T *boot_info);
+void                        delete_graphics_driver(graphics_driver_T *driver);
+
+#endif
+

kernel/inc/drivers/gfx/pixelbuffer.h

@@ -0,0 +1,51 @@
+
+#ifndef NOX_PIXELBUFFER_H
+#define NOX_PIXELBUFFER_H
+
+#include <utils/math.h>
+#include <utils/memory.h>
+#include <utils/stdtypes.h>
+#include <drivers/gfx/utility.h>
+
+typedef struct pixelbuffer_t pixelbuffer_T;
+
+struct pixelbuffer_t {
+    
+    //
+    // Other relevant state
+    //
+    
+    pixelbuffer_T          *parent;
+    // root_pixelbuffer: The first pixelbuffer for a screen, it represents the whole screen
+    //  from a drawing perspective. In the root pixelbuffers themselves, this is NULL.
+    pixelbuffer_T          *root_pixelbuffer;
+    
+    //
+    // Dimensions of the pixelbuffers' area
+    //
+    
+    uint32_t                relative_start_x;
+    uint32_t                relative_start_y;
+    uint32_t                absolute_start_x;
+    uint32_t                absolute_start_y;
+    uint32_t                pixel_width;
+    uint32_t                pixel_height;
+    
+    //
+    // Information necessary for drawing
+    //
+    
+    // pixel_stride: The distance between pixels in 'mapped_region', in bytes.
+    uint8_t                 pixel_stride;
+    void                   *memory_mapping;
+    
+};
+
+pixelbuffer_T *         create_pixelbuffer          (pixelbuffer_T *parent);
+void                    delete_pixelbuffer          (pixelbuffer_T *pixelbuffer);
+
+void                    graphics_set_pixel          (pixelbuffer_T *pixelbuffer, 
+    uint32_t relative_x, uint32_t relative_y, pixel_T pixel);
+
+#endif
+

kernel/inc/drivers/gfx/stringify.h

@@ -0,0 +1,12 @@
+ 
+#ifndef NOX_GRAPHICS_STRINGIFY_ENUMS_H
+#define NOX_GRAPHICS_STRINGIFY_ENUMS_H
+
+#include <utils/math.h>
+#include <utils/memory.h>
+#include <utils/stdtypes.h>
+
+// TODO
+
+#endif
+

kernel/inc/drivers/gfx/utility.h

@@ -0,0 +1,19 @@
+
+#ifndef NOX_GRAPHICS_UTILITY_H
+#define NOX_GRAPHICS_UTILITY_H
+
+#include <utils/math.h>
+#include <utils/memory.h>
+#include <utils/stdtypes.h>
+
+typedef struct
+{
+    uint16_t                red;
+    uint16_t                green;
+    uint16_t                blue;
+    uint16_t                alpha;
+    
+} pixel_T;
+
+#endif
+

kernel/inc/drivers/graphics/color.h

@@ -1,55 +0,0 @@
-/*
- * Copyright 2023 Antifallobst <antifallobst@systemausfall.org>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy of
- * this software and associated documentation files (the “Software”), to deal in
- * the Software without restriction, including without limitation the rights to use,
- * copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
- * Software, and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
- * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
- * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
- * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- */
-
-#ifndef NOX_COLOR_H
-#define NOX_COLOR_H
-
-#include "utils/stdtypes.h"
-
-// Colors from https://gogh-co.github.io/Gogh/
-typedef enum {
-    COLOR_PAL_GREY_DARK,
-    COLOR_PAL_PINK,
-    COLOR_PAL_GREEN_SIGNAL,
-    COLOR_PAL_ORANGE,
-    COLOR_PAL_BLUE,
-    COLOR_PAL_PURPLE,
-    COLOR_PAL_GREEN,
-    COLOR_PAL_GREY_LIGHT,
-    COLOR_PAL_RED,
-
-    COLOR_PAL_ENUM_END
-} color_palette_E;
-
-typedef struct {
-    uint8_t alpha;
-    uint8_t red;
-    uint8_t green;
-    uint8_t blue;
-} color_argb_T;
-
-extern color_argb_T g_color_palette[COLOR_PAL_ENUM_END];
-
-color_argb_T color_argb_blend_alpha(color_argb_T background, color_argb_T foreground);
-
-#endif //NOX_COLOR_H

kernel/inc/drivers/graphics/font.h

@@ -1,38 +0,0 @@
-/*
- * Copyright 2023 Antifallobst <antifallobst@systemausfall.org>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy of
- * this software and associated documentation files (the “Software”), to deal in
- * the Software without restriction, including without limitation the rights to use,
- * copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
- * Software, and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
- * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
- * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
- * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- */
-
-#ifndef NOX_FONT_H
-#define NOX_FONT_H
-
-#include "utils/stdtypes.h"
-
-typedef struct {
-    uint8_t     width;
-    uint8_t     height;
-    uint8_t     glyph_size;
-    uint8_t*    buffer;
-} font_T;
-
-extern font_T g_font;
-
-#endif //NOX_FONT_H

kernel/inc/drivers/graphics/framebuffer.h

@@ -1,41 +0,0 @@
-/*
- * Copyright 2023 Antifallobst <antifallobst@systemausfall.org>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy of
- * this software and associated documentation files (the “Software”), to deal in
- * the Software without restriction, including without limitation the rights to use,
- * copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
- * Software, and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
- * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
- * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
- * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- */
-
-#ifndef NOX_FRAMEBUFFER_H
-#define NOX_FRAMEBUFFER_H
-
-#include "utils/stdtypes.h"
-
-typedef struct {
-    void*       address;
-    uint64_t    width;
-    uint64_t    height;
-    uint64_t    pitch;
-    uint16_t    bits_per_pixel;
-    uint8_t     bytes_per_pixel;
-    uint8_t     shift_red;
-    uint8_t     shift_green;
-    uint8_t     shift_blue;
-} framebuffer_T;
-
-#endif //NOX_FRAMEBUFFER_H

kernel/inc/drivers/graphics/renderer.h

@@ -1,82 +0,0 @@
-/*
- * Copyright 2023 Antifallobst <antifallobst@systemausfall.org>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy of
- * this software and associated documentation files (the “Software”), to deal in
- * the Software without restriction, including without limitation the rights to use,
- * copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
- * Software, and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
- * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
- * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
- * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- */
-
-#ifndef NOX_RENDERER_H
-#define NOX_RENDERER_H
-
-#include "utils/stdtypes.h"
-#include "utils/string.h"
-#include "utils/math.h"
-#include "drivers/graphics/color.h"
-#include "drivers/graphics/font.h"
-#include "drivers/graphics/framebuffer.h"
-#include "boot/boot_info.h"
-
-typedef enum {
-    GRAPHICS_BUFFER_STANDARD,
-    GRAPHICS_BUFFER_OVERLAY,
-
-    GRAPHICS_BUFFER_ENUM_MAX
-} graphics_buffer_layer_E;
-
-typedef struct graphics_buffer_T graphics_buffer_T;
-struct graphics_buffer_T {
-    color_argb_T*           buffer;
-    uint32_t                width;
-    uint32_t                height;
-    uint32_t                pos_x;
-    uint32_t                pos_y;
-    bool                    blocked;
-    bool                    render;
-    graphics_buffer_layer_E layer;
-    graphics_buffer_T*      prev;
-    graphics_buffer_T*      next;
-};
-
-typedef struct {
-    framebuffer_T       framebuffer;
-    uint32_t*           back_buffer;
-    uint64_t            buffer_size;
-    graphics_buffer_T** graphics_buffer_layers;
-    font_T              font;
-    bool                initialized;
-    bool                blocked;
-} graphics_renderer_T;
-
-graphics_buffer_T*  graphics_buffer_request             (uint32_t pos_x, uint32_t pos_y, uint32_t width, uint32_t height, graphics_buffer_layer_E layer);
-void                graphics_buffer_show                (graphics_buffer_T* graphics_buffer);
-void                graphics_buffer_hide                (graphics_buffer_T* graphics_buffer);
-void                graphics_buffer_destruct            (graphics_buffer_T* graphics_buffer);
-void                graphics_buffer_shift_up            (graphics_buffer_T* graphics_buffer, uint16_t shift);
-void                graphics_buffer_set_pixel           (graphics_buffer_T* graphics_buffer, uint32_t x, uint32_t y, color_argb_T color);
-color_argb_T        graphics_buffer_get_pixel           (graphics_buffer_T* graphics_buffer, uint32_t x, uint32_t y);
-void                graphics_buffer_draw_char           (graphics_buffer_T* graphics_buffer, uint32_t x, uint32_t y, color_argb_T color, char chr);
-position_T          graphics_buffer_draw_string         (graphics_buffer_T* graphics_buffer, uint32_t x, uint32_t y, color_argb_T color, string_t string);
-
-void                graphics_renderer_init              (boot_info_T* boot_info);
-void                graphics_renderer_update            ();
-graphics_buffer_T*  graphics_renderer_get_top_buffer    (graphics_buffer_layer_E layer);
-uint32_t            graphics_renderer_get_width         ();
-uint32_t            graphics_renderer_get_height        ();
-
-#endif //NOX_RENDERER_H

kernel/inc/utils/math.h

@@ -33,9 +33,28 @@
 #define FLOOR_TO(a, b)  ((a) - ((a) % (b)))
 
 typedef struct {
+    
     uint64_t x;
     uint64_t y;
-} position_T;
+    
+} math_vector_2i_T;
+
+typedef struct {
+    
+    uint64_t x;
+    uint64_t y;
+    uint64_t z;
+    
+} math_vector_3i_T;
+
+typedef struct {
+    
+    uint64_t x;
+    uint64_t y;
+    uint64_t z;
+    uint64_t w;
+    
+} math_vector_4i_T;
 
 uint64_t pow                    (uint64_t base, uint64_t exp);
 uint64_t abs                    (int64_t n);

kernel/src/drivers/gfx/command_queue.c

@@ -0,0 +1,2 @@
+// TODO
+

kernel/src/drivers/gfx/default_implementation.c

@@ -0,0 +1,2 @@
+// TODO
+

kernel/src/drivers/gfx/graphics_driver.c

@@ -0,0 +1,52 @@
+#include <drivers/gfx/graphics_driver.h>
+
+pixelbuffer_T * create_root_pixelbuffer(graphics_driver_T *driver, framebuffer_T *framebuffer) {
+    
+    pixelbuffer_T          *pixelbuffer         = memory_allocate(sizeof(pixelbuffer_T));
+    pixelbuffer->parent                         = NULL;
+    pixelbuffer->root_pixelbuffer               = NULL;
+    pixelbuffer->relative_start_x               = 0;
+    pixelbuffer->relative_start_y               = 0;
+    pixelbuffer->absolute_start_x               = 0;
+    pixelbuffer->absolute_start_y               = 0;
+    pixelbuffer->pixel_width                    = framebuffer->pixel_width;
+    pixelbuffer->pixel_height                   = framebuffer->pixel_height;
+    pixelbuffer->pixel_stride                   = framebuffer->pixel_stride;
+    pixelbuffer->memory_mapping                 = framebuffer->memory_mapping;
+    
+    return pixelbuffer;
+}
+
+framebuffer_T convert_limine_framebuffer_to_noxos_framebuffer(graphics_driver_T *driver, struct limine_framebuffer *limine_framebuffer) {
+    
+    framebuffer_T noxos_framebuffer;
+    noxos_framebuffer.pixel_width               = limine_framebuffer->width;
+    noxos_framebuffer.pixel_height              = limine_framebuffer->height;
+    noxos_framebuffer.pixel_stride              = limine_framebuffer->bpp / 8; // TODO: Check: Is this right?
+    noxos_framebuffer.memory_mapping            = limine_framebuffer->address;
+    noxos_framebuffer.root_pixelbuffer          = create_root_pixelbuffer(driver, &noxos_framebuffer);
+    
+    return noxos_framebuffer;
+}
+
+graphics_driver_T * create_graphics_driver_from_boot_info(boot_info_T *boot_info) {
+    
+    graphics_driver_T      *driver              = memory_allocate(sizeof(graphics_driver_T));
+    driver->num_framebuffers                    = boot_info->framebuffer->framebuffer_count;
+    driver->framebuffers                        = memory_allocate(sizeof(framebuffer_T) * driver->num_framebuffers);
+    
+    uint32_t                framebuffer_index   = 0;
+    while(framebuffer_index > boot_info->framebuffer->framebuffer_count)
+    {
+        driver->framebuffers[framebuffer_index] =  convert_limine_framebuffer_to_noxos_framebuffer(
+            driver, &boot_info->framebuffer->framebuffers[framebuffer_index]);
+        ++framebuffer_index;
+    }
+    return driver;
+}
+
+void delete_graphics_driver(graphics_driver_T *driver) {
+    
+    // TODO
+}
+

kernel/src/drivers/gfx/pixelbuffer.c

@@ -0,0 +1,44 @@
+#include <drivers/gfx/pixelbuffer.h>
+
+pixelbuffer_T * find_root_pixelbuffer(pixelbuffer_T *current) {
+    if(current->parent == NULL) return current;
+    return find_root_pixelbuffer(current->parent);
+}
+
+pixelbuffer_T * create_pixelbuffer(pixelbuffer_T *parent) {
+    
+    pixelbuffer_T          *pixelbuffer         = memory_allocate(sizeof(pixelbuffer_T));
+    pixelbuffer->parent                         = parent;
+    pixelbuffer->root_pixelbuffer               = find_root_pixelbuffer(parent);
+    pixelbuffer->memory_mapping                 = parent->memory_mapping;
+    pixelbuffer->absolute_start_x               = parent->absolute_start_x;
+    pixelbuffer->absolute_start_y               = parent->absolute_start_y;
+    pixelbuffer->relative_start_x               = 0;
+    pixelbuffer->relative_start_y               = 0;
+    pixelbuffer->pixel_width                    = 1;
+    pixelbuffer->pixel_height                   = 1;
+    pixelbuffer->pixel_stride                   = pixelbuffer->root_pixelbuffer->pixel_stride;
+        
+    return pixelbuffer;
+}
+
+void delete_pixelbuffer(pixelbuffer_T *pixelbuffer) {
+    
+    // TODO
+    
+}
+
+
+
+void graphics_set_pixel(pixelbuffer_T *pixelbuffer, 
+    uint32_t relative_x, uint32_t relative_y, pixel_T pixel)
+{
+    // TODO: Check if these values are inside the pixelbuffers' range!
+    
+    uint8_t            *output_address          = pixelbuffer->memory_mapping
+        + ((relative_y * pixelbuffer->pixel_width + relative_x) + pixelbuffer->pixel_stride);
+    output_address[0]                           = pixel.red;
+    output_address[1]                           = pixel.green;
+    output_address[2]                           = pixel.blue;
+}
+

kernel/src/drivers/gfx/stringify.c

@@ -0,0 +1,2 @@
+// TODO
+

kernel/src/drivers/graphics/color.c

@@ -1,45 +0,0 @@
-/*
- * Copyright 2023 Antifallobst <antifallobst@systemausfall.org>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy of
- * this software and associated documentation files (the “Software”), to deal in
- * the Software without restriction, including without limitation the rights to use,
- * copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
- * Software, and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
- * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
- * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
- * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- */
-
-#include "drivers/graphics/color.h"
-
-color_argb_T g_color_palette[COLOR_PAL_ENUM_END] = {
-        {0xFF, 0x36, 0x36, 0x36},   // GREY_DARK
-        {0xFF, 0xFF, 0x08, 0x83},   // PINK
-        {0xFF, 0x83, 0xff, 0x08},   // GREEN_SIGNAL
-        {0xFF, 0xFF, 0x83, 0x08},   // ORANGE
-        {0xFF, 0x08, 0x83, 0xFF},   // BLUE
-        {0xFF, 0x83, 0x08, 0xFF},   // PURPLE
-        {0xFF, 0x08, 0xFF, 0x83},   // GREEN
-        {0xFF, 0xB6, 0xB6, 0xB6},   // GREY_LIGHT
-        {0xFF, 0xFF, 0x00, 0x00},   // RED
-};
-
-color_argb_T color_argb_blend_alpha(color_argb_T background, color_argb_T foreground) {
-    color_argb_T color;
-    color.red   = ((foreground.red   * foreground.alpha) + (background.red   * (0xFF - foreground.alpha))) / 0xFF;
-    color.green = ((foreground.green * foreground.alpha) + (background.green * (0xFF - foreground.alpha))) / 0xFF;
-    color.blue  = ((foreground.blue  * foreground.alpha) + (background.blue  * (0xFF - foreground.alpha))) / 0xFF;
-
-    return color;
-}

kernel/src/drivers/graphics/font.c

@@ -1,184 +0,0 @@
-/*
- * Copyright 2023 Antifallobst <antifallobst@systemausfall.org>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy of
- * this software and associated documentation files (the “Software”), to deal in
- * the Software without restriction, including without limitation the rights to use,
- * copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
- * Software, and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
- * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
- * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
- * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- */
-
-// Font copyright header:
-
-/**
- * 8x8 monochrome bitmap fonts for rendering
- * Author: Daniel Hepper <daniel@hepper.net>
- *
- * License: Public Domain
- *
- * Based on:
- * // Summary: font8x8.h
- * // 8x8 monochrome bitmap fonts for rendering
- * //
- * // Author:
- * //     Marcel Sondaar
- * //     International Business Machines (public domain VGA fonts)
- * //
- * // License:
- * //     Public Domain
- *
- * Fetched from: http://dimensionalrift.homelinux.net/combuster/mos3/?p=viewsource&file=/modules/gfx/font8_8.asm
- **/
-
-#include "drivers/graphics/font.h"
-
-uint8_t font8x8_basic[128][8] = {
-        { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},   // U+0000 (nul)
-        { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},   // U+0001
-        { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},   // U+0002
-        { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},   // U+0003
-        { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},   // U+0004
-        { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},   // U+0005
-        { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},   // U+0006
-        { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},   // U+0007
-        { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},   // U+0008
-        { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},   // U+0009
-        { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},   // U+000A
-        { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},   // U+000B
-        { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},   // U+000C
-        { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},   // U+000D
-        { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},   // U+000E
-        { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},   // U+000F
-        { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},   // U+0010
-        { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},   // U+0011
-        { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},   // U+0012
-        { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},   // U+0013
-        { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},   // U+0014
-        { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},   // U+0015
-        { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},   // U+0016
-        { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},   // U+0017
-        { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},   // U+0018
-        { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},   // U+0019
-        { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},   // U+001A
-        { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},   // U+001B
-        { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},   // U+001C
-        { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},   // U+001D
-        { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},   // U+001E
-        { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},   // U+001F
-        { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},   // U+0020 (space)
-        { 0x18, 0x3C, 0x3C, 0x18, 0x18, 0x00, 0x18, 0x00},   // U+0021 (!)
-        { 0x36, 0x36, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},   // U+0022 (")
-        { 0x36, 0x36, 0x7F, 0x36, 0x7F, 0x36, 0x36, 0x00},   // U+0023 (#)
-        { 0x0C, 0x3E, 0x03, 0x1E, 0x30, 0x1F, 0x0C, 0x00},   // U+0024 ($)
-        { 0x00, 0x63, 0x33, 0x18, 0x0C, 0x66, 0x63, 0x00},   // U+0025 (%)
-        { 0x1C, 0x36, 0x1C, 0x6E, 0x3B, 0x33, 0x6E, 0x00},   // U+0026 (&)
-        { 0x06, 0x06, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00},   // U+0027 (')
-        { 0x18, 0x0C, 0x06, 0x06, 0x06, 0x0C, 0x18, 0x00},   // U+0028 (()
-        { 0x06, 0x0C, 0x18, 0x18, 0x18, 0x0C, 0x06, 0x00},   // U+0029 ())
-        { 0x00, 0x66, 0x3C, 0xFF, 0x3C, 0x66, 0x00, 0x00},   // U+002A (*)
-        { 0x00, 0x0C, 0x0C, 0x3F, 0x0C, 0x0C, 0x00, 0x00},   // U+002B (+)
-        { 0x00, 0x00, 0x00, 0x00, 0x00, 0x0C, 0x0C, 0x06},   // U+002C (,)
-        { 0x00, 0x00, 0x00, 0x3F, 0x00, 0x00, 0x00, 0x00},   // U+002D (-)
-        { 0x00, 0x00, 0x00, 0x00, 0x00, 0x0C, 0x0C, 0x00},   // U+002E (.)
-        { 0x60, 0x30, 0x18, 0x0C, 0x06, 0x03, 0x01, 0x00},   // U+002F (/)
-        { 0x3E, 0x63, 0x73, 0x7B, 0x6F, 0x67, 0x3E, 0x00},   // U+0030 (0)
-        { 0x0C, 0x0E, 0x0C, 0x0C, 0x0C, 0x0C, 0x3F, 0x00},   // U+0031 (1)
-        { 0x1E, 0x33, 0x30, 0x1C, 0x06, 0x33, 0x3F, 0x00},   // U+0032 (2)
-        { 0x1E, 0x33, 0x30, 0x1C, 0x30, 0x33, 0x1E, 0x00},   // U+0033 (3)
-        { 0x38, 0x3C, 0x36, 0x33, 0x7F, 0x30, 0x78, 0x00},   // U+0034 (4)
-        { 0x3F, 0x03, 0x1F, 0x30, 0x30, 0x33, 0x1E, 0x00},   // U+0035 (5)
-        { 0x1C, 0x06, 0x03, 0x1F, 0x33, 0x33, 0x1E, 0x00},   // U+0036 (6)
-        { 0x3F, 0x33, 0x30, 0x18, 0x0C, 0x0C, 0x0C, 0x00},   // U+0037 (7)
-        { 0x1E, 0x33, 0x33, 0x1E, 0x33, 0x33, 0x1E, 0x00},   // U+0038 (8)
-        { 0x1E, 0x33, 0x33, 0x3E, 0x30, 0x18, 0x0E, 0x00},   // U+0039 (9)
-        { 0x00, 0x0C, 0x0C, 0x00, 0x00, 0x0C, 0x0C, 0x00},   // U+003A (:)
-        { 0x00, 0x0C, 0x0C, 0x00, 0x00, 0x0C, 0x0C, 0x06},   // U+003B (;)
-        { 0x18, 0x0C, 0x06, 0x03, 0x06, 0x0C, 0x18, 0x00},   // U+003C (<)
-        { 0x00, 0x00, 0x3F, 0x00, 0x00, 0x3F, 0x00, 0x00},   // U+003D (=)
-        { 0x06, 0x0C, 0x18, 0x30, 0x18, 0x0C, 0x06, 0x00},   // U+003E (>)
-        { 0x1E, 0x33, 0x30, 0x18, 0x0C, 0x00, 0x0C, 0x00},   // U+003F (?)
-        { 0x3E, 0x63, 0x7B, 0x7B, 0x7B, 0x03, 0x1E, 0x00},   // U+0040 (@)
-        { 0x0C, 0x1E, 0x33, 0x33, 0x3F, 0x33, 0x33, 0x00},   // U+0041 (A)
-        { 0x3F, 0x66, 0x66, 0x3E, 0x66, 0x66, 0x3F, 0x00},   // U+0042 (B)
-        { 0x3C, 0x66, 0x03, 0x03, 0x03, 0x66, 0x3C, 0x00},   // U+0043 (C)
-        { 0x1F, 0x36, 0x66, 0x66, 0x66, 0x36, 0x1F, 0x00},   // U+0044 (D)
-        { 0x7F, 0x46, 0x16, 0x1E, 0x16, 0x46, 0x7F, 0x00},   // U+0045 (E)
-        { 0x7F, 0x46, 0x16, 0x1E, 0x16, 0x06, 0x0F, 0x00},   // U+0046 (F)
-        { 0x3C, 0x66, 0x03, 0x03, 0x73, 0x66, 0x7C, 0x00},   // U+0047 (G)
-        { 0x33, 0x33, 0x33, 0x3F, 0x33, 0x33, 0x33, 0x00},   // U+0048 (H)
-        { 0x1E, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x1E, 0x00},   // U+0049 (I)
-        { 0x78, 0x30, 0x30, 0x30, 0x33, 0x33, 0x1E, 0x00},   // U+004A (J)
-        { 0x67, 0x66, 0x36, 0x1E, 0x36, 0x66, 0x67, 0x00},   // U+004B (K)
-        { 0x0F, 0x06, 0x06, 0x06, 0x46, 0x66, 0x7F, 0x00},   // U+004C (L)
-        { 0x63, 0x77, 0x7F, 0x7F, 0x6B, 0x63, 0x63, 0x00},   // U+004D (M)
-        { 0x63, 0x67, 0x6F, 0x7B, 0x73, 0x63, 0x63, 0x00},   // U+004E (N)
-        { 0x1C, 0x36, 0x63, 0x63, 0x63, 0x36, 0x1C, 0x00},   // U+004F (O)
-        { 0x3F, 0x66, 0x66, 0x3E, 0x06, 0x06, 0x0F, 0x00},   // U+0050 (P)
-        { 0x1E, 0x33, 0x33, 0x33, 0x3B, 0x1E, 0x38, 0x00},   // U+0051 (Q)
-        { 0x3F, 0x66, 0x66, 0x3E, 0x36, 0x66, 0x67, 0x00},   // U+0052 (R)
-        { 0x1E, 0x33, 0x07, 0x0E, 0x38, 0x33, 0x1E, 0x00},   // U+0053 (S)
-        { 0x3F, 0x2D, 0x0C, 0x0C, 0x0C, 0x0C, 0x1E, 0x00},   // U+0054 (T)
-        { 0x33, 0x33, 0x33, 0x33, 0x33, 0x33, 0x3F, 0x00},   // U+0055 (U)
-        { 0x33, 0x33, 0x33, 0x33, 0x33, 0x1E, 0x0C, 0x00},   // U+0056 (V)
-        { 0x63, 0x63, 0x63, 0x6B, 0x7F, 0x77, 0x63, 0x00},   // U+0057 (W)
-        { 0x63, 0x63, 0x36, 0x1C, 0x1C, 0x36, 0x63, 0x00},   // U+0058 (X)
-        { 0x33, 0x33, 0x33, 0x1E, 0x0C, 0x0C, 0x1E, 0x00},   // U+0059 (Y)
-        { 0x7F, 0x63, 0x31, 0x18, 0x4C, 0x66, 0x7F, 0x00},   // U+005A (Z)
-        { 0x1E, 0x06, 0x06, 0x06, 0x06, 0x06, 0x1E, 0x00},   // U+005B ([)
-        { 0x03, 0x06, 0x0C, 0x18, 0x30, 0x60, 0x40, 0x00},   // U+005C (\)
-        { 0x1E, 0x18, 0x18, 0x18, 0x18, 0x18, 0x1E, 0x00},   // U+005D (])
-        { 0x08, 0x1C, 0x36, 0x63, 0x00, 0x00, 0x00, 0x00},   // U+005E (^)
-        { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF},   // U+005F (_)
-        { 0x0C, 0x0C, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00},   // U+0060 (`)
-        { 0x00, 0x00, 0x1E, 0x30, 0x3E, 0x33, 0x6E, 0x00},   // U+0061 (a)
-        { 0x07, 0x06, 0x06, 0x3E, 0x66, 0x66, 0x3B, 0x00},   // U+0062 (b)
-        { 0x00, 0x00, 0x1E, 0x33, 0x03, 0x33, 0x1E, 0x00},   // U+0063 (c)
-        { 0x38, 0x30, 0x30, 0x3e, 0x33, 0x33, 0x6E, 0x00},   // U+0064 (d)
-        { 0x00, 0x00, 0x1E, 0x33, 0x3f, 0x03, 0x1E, 0x00},   // U+0065 (e)
-        { 0x1C, 0x36, 0x06, 0x0f, 0x06, 0x06, 0x0F, 0x00},   // U+0066 (f)
-        { 0x00, 0x00, 0x6E, 0x33, 0x33, 0x3E, 0x30, 0x1F},   // U+0067 (g)
-        { 0x07, 0x06, 0x36, 0x6E, 0x66, 0x66, 0x67, 0x00},   // U+0068 (h)
-        { 0x0C, 0x00, 0x0E, 0x0C, 0x0C, 0x0C, 0x1E, 0x00},   // U+0069 (i)
-        { 0x30, 0x00, 0x30, 0x30, 0x30, 0x33, 0x33, 0x1E},   // U+006A (j)
-        { 0x07, 0x06, 0x66, 0x36, 0x1E, 0x36, 0x67, 0x00},   // U+006B (k)
-        { 0x0E, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x1E, 0x00},   // U+006C (l)
-        { 0x00, 0x00, 0x33, 0x7F, 0x7F, 0x6B, 0x63, 0x00},   // U+006D (m)
-        { 0x00, 0x00, 0x1F, 0x33, 0x33, 0x33, 0x33, 0x00},   // U+006E (n)
-        { 0x00, 0x00, 0x1E, 0x33, 0x33, 0x33, 0x1E, 0x00},   // U+006F (o)
-        { 0x00, 0x00, 0x3B, 0x66, 0x66, 0x3E, 0x06, 0x0F},   // U+0070 (p)
-        { 0x00, 0x00, 0x6E, 0x33, 0x33, 0x3E, 0x30, 0x78},   // U+0071 (q)
-        { 0x00, 0x00, 0x3B, 0x6E, 0x66, 0x06, 0x0F, 0x00},   // U+0072 (r)
-        { 0x00, 0x00, 0x3E, 0x03, 0x1E, 0x30, 0x1F, 0x00},   // U+0073 (s)
-        { 0x08, 0x0C, 0x3E, 0x0C, 0x0C, 0x2C, 0x18, 0x00},   // U+0074 (t)
-        { 0x00, 0x00, 0x33, 0x33, 0x33, 0x33, 0x6E, 0x00},   // U+0075 (u)
-        { 0x00, 0x00, 0x33, 0x33, 0x33, 0x1E, 0x0C, 0x00},   // U+0076 (v)
-        { 0x00, 0x00, 0x63, 0x6B, 0x7F, 0x7F, 0x36, 0x00},   // U+0077 (w)
-        { 0x00, 0x00, 0x63, 0x36, 0x1C, 0x36, 0x63, 0x00},   // U+0078 (x)
-        { 0x00, 0x00, 0x33, 0x33, 0x33, 0x3E, 0x30, 0x1F},   // U+0079 (y)
-        { 0x00, 0x00, 0x3F, 0x19, 0x0C, 0x26, 0x3F, 0x00},   // U+007A (z)
-        { 0x38, 0x0C, 0x0C, 0x07, 0x0C, 0x0C, 0x38, 0x00},   // U+007B ({)
-        { 0x18, 0x18, 0x18, 0x00, 0x18, 0x18, 0x18, 0x00},   // U+007C (|)
-        { 0x07, 0x0C, 0x0C, 0x38, 0x0C, 0x0C, 0x07, 0x00},   // U+007D (})
-        { 0x6E, 0x3B, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},   // U+007E (~)
-        { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}    // U+007F
-};
-
-font_T g_font = {
-        8,
-        8,
-        8,
-        (uint8_t*)font8x8_basic
-};

kernel/src/drivers/graphics/renderer.c

@@ -1,250 +0,0 @@
-/*
- * Copyright 2023 Antifallobst <antifallobst@systemausfall.org>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy of
- * this software and associated documentation files (the “Software”), to deal in
- * the Software without restriction, including without limitation the rights to use,
- * copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
- * Software, and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
- * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
- * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
- * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- */
-
-#include "drivers/graphics/renderer.h"
-#include "utils/memory.h"
-#include "utils/core.h"
-
-graphics_renderer_T g_renderer;
-
-graphics_buffer_T* graphics_buffer_request(uint32_t pos_x, uint32_t pos_y, uint32_t width, uint32_t height, graphics_buffer_layer_E layer) {
-    graphics_buffer_T* graphics_buffer = memory_allocate(sizeof(graphics_buffer_T));
-
-    graphics_buffer->pos_x   = pos_x;
-    graphics_buffer->pos_y   = pos_y;
-    graphics_buffer->width   = width;
-    graphics_buffer->height  = height;
-    graphics_buffer->blocked = false;
-    graphics_buffer->render  = true;
-    graphics_buffer->layer   = layer;
-    graphics_buffer->buffer  = memory_allocate(width * height * sizeof(color_argb_T));
-    memory_set(graphics_buffer->buffer, 0, width * height * sizeof(color_argb_T));
-
-    graphics_buffer_T* top_buffer = graphics_renderer_get_top_buffer(layer);
-    graphics_buffer->prev = top_buffer;
-    graphics_buffer->next = NULL;
-    if (top_buffer == NULL) {
-        g_renderer.graphics_buffer_layers[layer] = graphics_buffer;
-    } else {
-        top_buffer->next = graphics_buffer;
-    }
-
-    return graphics_buffer;
-}
-
-void graphics_buffer_show (graphics_buffer_T* graphics_buffer) {
-    graphics_buffer->render = true;
-}
-
-void graphics_buffer_hide (graphics_buffer_T* graphics_buffer) {
-    graphics_buffer->render = false;
-}
-
-void graphics_buffer_destruct(graphics_buffer_T* graphics_buffer) {
-    if (graphics_buffer->prev != NULL) {
-        graphics_buffer->prev->next = graphics_buffer->next;
-    } else {
-        g_renderer.graphics_buffer_layers[graphics_buffer->layer] = graphics_buffer->next;
-    }
-    if (graphics_buffer->next != NULL) {
-        graphics_buffer->next->prev = graphics_buffer->prev;
-    }
-
-    memory_free(graphics_buffer->buffer);
-    memory_free(graphics_buffer);
-}
-
-void graphics_buffer_shift_up(graphics_buffer_T* graphics_buffer, uint16_t shift) {
-    memory_copy(&graphics_buffer->buffer[graphics_buffer->width * shift],
-                graphics_buffer->buffer,
-                graphics_buffer->width * (graphics_buffer->height - shift) * sizeof(color_argb_T));
-
-    memory_set(&graphics_buffer->buffer[graphics_buffer->width * (graphics_buffer->height - shift)],
-               0,
-               graphics_buffer->width * shift * sizeof(color_argb_T));
-}
-
-void graphics_buffer_set_pixel(graphics_buffer_T* graphics_buffer, uint32_t x, uint32_t y, color_argb_T color) {
-    graphics_buffer->buffer[y * graphics_buffer->width + x] = color;
-}
-
-color_argb_T graphics_buffer_get_pixel(graphics_buffer_T* graphics_buffer, uint32_t x, uint32_t y) {
-    return graphics_buffer->buffer[y * graphics_buffer->width + x];
-}
-
-// this function is not thread safe, consider using `graphics_buffer_draw_string` instead
-void graphics_buffer_draw_char(graphics_buffer_T* graphics_buffer, uint32_t x, uint32_t y, color_argb_T color, char chr) {
-    uint8_t* glyph = &g_renderer.font.buffer[g_renderer.font.glyph_size * chr];
-
-    for (int y_pos = 0; y_pos < g_renderer.font.height; y_pos++){
-        for (int x_pos = 0; x_pos < g_renderer.font.width; x_pos++){
-            if (*glyph & (1 << x_pos)) {
-                graphics_buffer_set_pixel(graphics_buffer, x + x_pos, y + y_pos, color);
-            } else {
-                graphics_buffer_set_pixel(graphics_buffer, x + x_pos, y + y_pos, (color_argb_T){0x00, 0x00, 0x00, 0x00});
-            }
-        }
-        glyph++;
-    }
-}
-
-position_T graphics_buffer_draw_string(graphics_buffer_T* graphics_buffer, uint32_t x, uint32_t y, color_argb_T color, string_t string) {
-    CORE_INTERRUPTABLE_HALT_WHILE(graphics_buffer->blocked)
-    graphics_buffer->blocked = true;
-
-    position_T pos = (position_T){x, y};
-    uint64_t strlen = string_length(string);
-    for (int i = 0; i < strlen; i++) {
-        switch (string[i]) {
-            case '\n': {
-                pos.x = 0;
-                pos.y += g_renderer.font.height;
-                break;
-            }
-            case '\r': {
-                pos.x = 0;
-                break;
-            }
-
-            default: {
-                if (pos.x + g_renderer.font.width >= graphics_buffer->width) {
-                    pos.x = 0;
-                    pos.y += g_renderer.font.height;
-                }
-                if (pos.y + g_renderer.font.height >= graphics_buffer->height) {
-                    pos.y -= g_renderer.font.height;
-                    graphics_buffer_shift_up(graphics_buffer, g_renderer.font.height);
-                }
-                graphics_buffer_draw_char(graphics_buffer, pos.x, pos.y, color, string[i]);
-                pos.x += g_renderer.font.width;
-                break;
-            }
-        }
-    }
-
-    graphics_buffer->blocked = false;
-    return pos;
-}
-
-void graphics_renderer_init(boot_info_T* boot_info_T) {
-    struct limine_framebuffer* framebuffer = boot_info_T->framebuffer->framebuffers[0];
-
-    g_renderer.framebuffer.address         = framebuffer->address;
-    g_renderer.framebuffer.width           = framebuffer->width;
-    g_renderer.framebuffer.height          = framebuffer->height;
-    g_renderer.framebuffer.pitch           = framebuffer->pitch;
-    g_renderer.framebuffer.bits_per_pixel  = framebuffer->bpp;
-    g_renderer.framebuffer.bytes_per_pixel = CEIL_TO(framebuffer->bpp, 8) / 8;
-    g_renderer.framebuffer.shift_red       = framebuffer->red_mask_shift;
-    g_renderer.framebuffer.shift_green     = framebuffer->green_mask_shift;
-    g_renderer.framebuffer.shift_blue      = framebuffer->blue_mask_shift;
-
-    g_renderer.buffer_size                 = g_renderer.framebuffer.width * g_renderer.framebuffer.height * g_renderer.framebuffer.bytes_per_pixel;
-    g_renderer.back_buffer                 = memory_allocate(g_renderer.buffer_size);
-    g_renderer.graphics_buffer_layers      = memory_allocate(GRAPHICS_BUFFER_ENUM_MAX * sizeof(graphics_buffer_T*));
-    g_renderer.font                        = g_font;
-    g_renderer.blocked                     = false;
-
-    memory_set(g_renderer.graphics_buffer_layers, 0, GRAPHICS_BUFFER_ENUM_MAX * sizeof(graphics_buffer_T*));
-    memory_set(g_renderer.back_buffer, 0, g_renderer.buffer_size);
-
-    g_renderer.initialized = true;
-}
-
-bool graphics_renderer_is_initialized() {
-    return g_renderer.initialized;
-}
-
-void graphics_renderer_update_graphics_buffer(graphics_buffer_T* graphics_buffer) {
-    if (!graphics_buffer->render) { return; }
-
-    uint32_t size_x = MIN(graphics_buffer->pos_x + graphics_buffer->width, g_renderer.framebuffer.width);
-    uint32_t size_y = MIN(graphics_buffer->pos_y + graphics_buffer->height, g_renderer.framebuffer.height);
-
-    for (uint32_t y = graphics_buffer->pos_y; y < size_y; y++) {
-        for (uint32_t x = graphics_buffer->pos_x; x < size_x; x++) {
-            color_argb_T color = graphics_buffer->buffer[(y - graphics_buffer->pos_y) * graphics_buffer->width + (x - graphics_buffer->pos_x)];
-
-            color_argb_T original;
-            original.alpha = 0xFF;
-            original.red   = (g_renderer.back_buffer[y * g_renderer.framebuffer.width + x] >> g_renderer.framebuffer.shift_red)   & 0xFF;
-            original.green = (g_renderer.back_buffer[y * g_renderer.framebuffer.width + x] >> g_renderer.framebuffer.shift_green) & 0xFF;
-            original.blue  = (g_renderer.back_buffer[y * g_renderer.framebuffer.width + x] >> g_renderer.framebuffer.shift_blue)  & 0xFF;
-
-            // apply transparency
-            color = color_argb_blend_alpha(original, color);
-
-            // write into back_buffer
-            g_renderer.back_buffer[y * g_renderer.framebuffer.width + x] = (color.red   << g_renderer.framebuffer.shift_red) |
-                                                                           (color.green << g_renderer.framebuffer.shift_green) |
-                                                                           (color.blue  << g_renderer.framebuffer.shift_blue);
-        }
-    }
-}
-
-void graphics_renderer_update() {
-    CORE_INTERRUPTABLE_HALT_WHILE(g_renderer.blocked)
-    g_renderer.blocked = true;
-
-    memory_set(g_renderer.back_buffer, 0, g_renderer.buffer_size);
-
-    graphics_buffer_T* graphics_buffer = g_renderer.graphics_buffer_layers[GRAPHICS_BUFFER_STANDARD];
-    while (graphics_buffer != NULL) {
-        graphics_renderer_update_graphics_buffer(graphics_buffer);
-        graphics_buffer = graphics_buffer->next;
-    }
-
-
-    graphics_buffer = g_renderer.graphics_buffer_layers[GRAPHICS_BUFFER_OVERLAY];
-    while (graphics_buffer != NULL) {
-        graphics_renderer_update_graphics_buffer(graphics_buffer);
-        graphics_buffer = graphics_buffer->next;
-    }
-
-    // swap back_buffer into framebuffer
-    memory_copy(g_renderer.back_buffer, g_renderer.framebuffer.address, g_renderer.buffer_size);
-
-    g_renderer.blocked = false;
-}
-
-graphics_buffer_T* graphics_renderer_get_top_buffer(graphics_buffer_layer_E layer) {
-    if (g_renderer.graphics_buffer_layers[layer] == NULL) {
-        return NULL;
-    }
-
-    graphics_buffer_T* graphics_buffer = g_renderer.graphics_buffer_layers[layer];
-
-    while (graphics_buffer->next != NULL) {
-        graphics_buffer = graphics_buffer->next;
-    }
-
-    return graphics_buffer;
-}
-
-uint32_t graphics_renderer_get_width() {
-    return g_renderer.framebuffer.width;
-}
-
-uint32_t graphics_renderer_get_height() {
-    return g_renderer.framebuffer.height;
-}

kernel/src/utils/logger.c

@@ -26,12 +26,13 @@
 #include "utils/core.h"
 #include "drivers/graphics/renderer.h"
 
+// TODO: Range-check the usage of this, otherwise could crash.
 string_t g_log_prefixes[LOG_ENUM_END] = {
         "", // LOG_NONE
-        "[  Info   ] ",
+        "# ",
-        "[  Debug  ] ",
+        "? ",
-        "[ Warning ] ",
+        "! ",
-        "[  Error  ] ",
+        "!!! ",
 };
 
 color_palette_E g_log_colors[LOG_ENUM_END] = {