MAJOR RESTRUCTURE

2024-12-28 21:23:58 +01:00
parent 12b07a9f70
commit 2e0b030324
81 changed files with 1168 additions and 579 deletions
@@ -0,0 +1,72 @@
+#ifndef _SCREEN_GFXMODE_H
+#define _SCREEN_GFXMODE_H
+
+#include <memory/addresses.h>
+#include <stdint.h>
+
+#define BG_COLOR 0x00010b17
+#define FG_COLOR 0x00ebddf4
+
+typedef struct modeInfoBlock_s {
+    // Required by all VBE revisions
+    uint16_t modeAttr;
+    uint8_t windowAAtrr;
+    uint8_t windowBAttr;
+    uint16_t windowGranularity;
+    uint16_t windowSize;
+    uint16_t windowASegment;
+    uint16_t windowBSegment;
+    uint32_t windowFunctionPtr;
+    uint16_t bytesPerScanline;
+
+    // Required by VBE 1.2+
+    uint16_t xRes;
+    uint16_t yRes;
+    uint8_t xCharSize;
+    uint8_t yCharSize;
+    uint8_t planeCount;
+    uint8_t bpp;
+    uint8_t bankCount;
+    uint8_t memoryModel;
+    uint8_t bankSize;
+    uint8_t imagePageCount;
+    uint8_t reserved1;
+
+    // Direct color fields
+    uint8_t redMaskSize;
+    uint8_t redFieldPos;
+    uint8_t greenMaskSize;
+    uint8_t greenFieldPos;
+    uint8_t blueMaskSize;
+    uint8_t blueFieldPos;
+    uint8_t reservedMaskSize;
+    uint8_t reservedFieldPos;
+    uint8_t directColorModeInfo;
+
+    // Required by VBE 2.0+
+    uint32_t physicalBasePtr;
+    uint32_t reserved2;
+    uint16_t reserved3;
+
+    // Required by VBE 3.0+
+    uint16_t linearBytesPerScanline;
+    uint8_t bankImagePageCount;
+    uint8_t linearImagePageCount;
+    uint8_t linearRedMaskSize;
+    uint8_t linearRedFieldPos;
+    uint8_t linearGreenMaskSize;
+    uint8_t linearGreenFieldPos;
+    uint8_t linearBlueMaskSize;
+    uint8_t linearBlueFieldPos;
+    uint8_t linearReservedMaskSize;
+    uint8_t linearReservedFieldPos;
+    uint32_t maxPixelClock;
+
+    uint8_t reserved4[190];
+} __attribute__ ((packed)) modeInfoBlock_t;
+
+extern modeInfoBlock_t* gfxMode;
+
+uint32_t convertColor(uint32_t color);
+
+#endif
@@ -0,0 +1,18 @@
+#ifndef _SCREEN_GRAPHICS_H
+#define _SCREEN_GRAPHICS_H
+
+#include <stdint.h>
+
+#define rgb(_r,_g,_b) ( ((_r) << 16 | (_g) << 8 | (_b)) & 0x00ffffff )
+
+void drawPixel(int32_t x, int32_t y, uint32_t color);
+void drawLine(int32_t x1, int32_t y1, int32_t x2, int32_t y2, uint32_t color);
+void drawRect(int32_t x1, int32_t y1, int32_t x2, int32_t y2, uint32_t color);
+void drawTriangle(int32_t x1, int32_t y1, int32_t x2, int32_t y2, int32_t x3, int32_t y3, uint32_t color);
+void drawCircle(int32_t x, int32_t y, uint16_t radius, uint32_t color);
+void boundaryFill(int32_t x, int32_t y, uint32_t fillColor, uint32_t boundaryColor);
+void fillRect(int32_t x1, int32_t y1, int32_t x2, int32_t y2, uint32_t color);
+void fillTriangle(int32_t x1, int32_t y1, int32_t x2, int32_t y2, int32_t x3, int32_t y3, uint32_t color);
+void fillCircle(int32_t x, int32_t y, uint16_t radius, uint32_t color);
+
+#endif
@@ -0,0 +1,18 @@
+#ifndef _SCREEN_TEXT_H
+#define _SCREEN_TEXT_H
+
+#include <stdint.h>
+
+typedef union {
+    struct {
+        uint8_t width;
+        uint8_t height;
+    };
+    uint8_t data[4096];
+} __attribute__ ((packed)) font_t;
+
+void drawChar(char c, uint32_t x, uint32_t y, uint32_t fgColor, uint32_t bgColor);
+void scroll();
+void clearScreen(uint32_t bgColor);
+
+#endif
@@ -0,0 +1,23 @@
+#ifndef _SCREEN_TTY_H
+#define _SCREEN_TTY_H
+
+#include <stdint.h>
+#include <stdbool.h>
+
+struct console {
+    uint32_t x;         // X Position of cursor in characters
+    uint32_t y;         // Y Position of cursor in characters
+    uint32_t bg;        // Printed character background
+    uint32_t fg;        // Printed character foreground
+    uint32_t width;     // Width in characters 
+    uint32_t height;    // Height in characters
+    char cursorChar;    // Character to use as a cursor
+    bool hideCursor;    // Should we display the cursor
+}
+
+extern struct console* console;
+
+int32_t consoleWrite(const void* buf, uint32_t len);
+void toggleCursor();
+
+#endif