From 93bf62580a68533dc8252b9a2a055c02f34ecb67 Mon Sep 17 00:00:00 2001 From: Christian Cunningham Date: Thu, 24 Mar 2022 09:38:08 -0700 Subject: Modularized --- src/graphics/lfb.c | 218 ----------------------------------------------------- 1 file changed, 218 deletions(-) delete mode 100644 src/graphics/lfb.c (limited to 'src/graphics/lfb.c') diff --git a/src/graphics/lfb.c b/src/graphics/lfb.c deleted file mode 100644 index 8c41b1c..0000000 --- a/src/graphics/lfb.c +++ /dev/null @@ -1,218 +0,0 @@ -#include -#include -#include -#include -#include -#include - -unsigned char *lfb; /* raw frame buffer address */ - -#define SCR_WIDTH 1920 -#define SCR_HEIGHT 1080 - -/** - * Set screen resolution - */ -void lfb_init(void) -{ - mbox[0] = 35*4; - mbox[1] = MBOX_REQUEST; - - mbox[2] = 0x48003; //set phy wh - mbox[3] = 8; - mbox[4] = 8; - mbox[5] = SCR_WIDTH; //FrameBufferInfo.width - mbox[6] = SCR_HEIGHT; //FrameBufferInfo.height - - mbox[7] = 0x48004; //set virt wh - mbox[8] = 8; - mbox[9] = 8; - mbox[10] = SCR_WIDTH; //FrameBufferInfo.virtual_width - mbox[11] = SCR_HEIGHT; //FrameBufferInfo.virtual_height - - mbox[12] = 0x48009; //set virt offset - mbox[13] = 8; - mbox[14] = 8; - mbox[15] = 0; //FrameBufferInfo.x_offset - mbox[16] = 0; //FrameBufferInfo.y.offset - - mbox[17] = 0x48005; //set depth - mbox[18] = 4; - mbox[19] = 4; - mbox[20] = 32; //FrameBufferInfo.depth - - mbox[21] = 0x48006; //set pixel order - mbox[22] = 4; - mbox[23] = 4; - mbox[24] = 1; //RGB, not BGR preferably - - mbox[25] = 0x40001; //get framebuffer, gets alignment on request - mbox[26] = 8; - mbox[27] = 8; - mbox[28] = 4096; //FrameBufferInfo.pointer - mbox[29] = 0; //FrameBufferInfo.size - - mbox[30] = 0x40008; //get pitch - mbox[31] = 4; - mbox[32] = 4; - mbox[33] = 0; //FrameBufferInfo.pitch - - mbox[34] = MBOX_TAG_LAST; - - //this might not return exactly what we asked for, could be - //the closest supported resolution instead - if(mbox_call(MBOX_CH_PROP) && mbox[20]==32 && mbox[28]!=0) { - mbox[28]&=0x3FFFFFFF; //convert GPU address to ARM address - gwidth=mbox[5]; //get actual physical width - gheight=mbox[6]; //get actual physical height - gpitch=mbox[33]; //get number of bytes per line - gisrgb=mbox[24]; //get the actual channel order - lfb=(void*)((unsigned long)mbox[28]); - } else { - uart_string("Unable to set screen resolution to 1024x768x32\n"); - } -} - -void clear_screen(void) -{ - unsigned char *ptr=lfb; - for(unsigned int y = 0; y < gheight; y++) { - for(unsigned int x = 0; x < gwidth; x++) { - *(unsigned int*)ptr = 0x000000; - ptr += 4; - } - } -} - -/** - * Show a picture - */ -void lfb_showpicture(void) -{ - clear_screen(); -#define FWIDTH 240 -#define FHEIGHT 80 - draw_cbox(SCR_WIDTH-FWIDTH, SCR_HEIGHT-FHEIGHT*2, FWIDTH, FHEIGHT, 0x0057b7); - draw_cbox(SCR_WIDTH-FWIDTH, SCR_HEIGHT-FHEIGHT, FWIDTH, FHEIGHT, 0xffd700); -} - -void draw_cpixel(unsigned int lx, unsigned int ly, unsigned int c) -{ - unsigned char* ptr = lfb; - ptr += (gpitch*ly+lx*4); - *((unsigned int*)ptr) = gisrgb ? (unsigned int)((c&0xFF)<<16 | (c&0xFF00) | (c&0xFF0000)>>16) : c; -} - -void draw_cbox(unsigned int lx, unsigned int ly, unsigned int dx, unsigned int dy, unsigned int c) -{ - unsigned char* ptr = lfb; - ptr += (gpitch*ly+lx*4); - for(unsigned int y = 0; y < dy; y++) { - for(unsigned int x = 0; x < dx; x++) { - *((unsigned int*)ptr) = gisrgb ? (unsigned int)((c&0xFF)<<16 | (c&0xFF00) | (c&0xFF0000)>>16) : c; - ptr += 4; - } - ptr += gpitch - dx*4; - } -} - -void draw_cbyte(unsigned int lx, unsigned int ly, unsigned char letter, unsigned int c) -{ - unsigned int x, y; - unsigned char* ptr = lfb; - ptr += (gpitch*ly*GLYPH_Y+lx*4*GLYPH_X); - unsigned char ltr = (letter & 0xF) + 0x30; - if (ltr > 0x39) { - ltr += 7; - } - for(y=0; y> ((GLYPH_X-1)-x)) & glyphs[y+GLYPH_Y*(ltr)]) { - *((unsigned int*)ptr) = gisrgb ? (unsigned int)((c&0xFF)<<16 | (c&0xFF00) | (c&0xFF0000)>>16) : c; - } else { - *((unsigned int*)ptr) = 0x000000; - } - ptr += 4; - } - ptr += gpitch - GLYPH_X*4; - } -} - -void draw_byte(unsigned int lx, unsigned int ly, unsigned char letter) -{ - draw_cbyte(lx, ly, letter, 0xFFFFFF); -} - -void draw_cletter(unsigned int lx, unsigned int ly, unsigned char letter, unsigned int c) -{ - unsigned int x, y; - unsigned char* ptr = lfb; - ptr += (gpitch*ly*GLYPH_Y+lx*4*GLYPH_X); - unsigned char ltr = letter & 0x7F; - for(y=0; y> ((GLYPH_X-1)-x)) & glyphs[y+GLYPH_Y*(ltr)]) { - *((unsigned int*)ptr) = gisrgb ? (unsigned int)((c&0xFF)<<16 | (c&0xFF00) | (c&0xFF0000)>>16) : c; - } else { - *((unsigned int*)ptr) = 0x000000; - } - ptr += 4; - } - ptr += gpitch - GLYPH_X*4; - } -} - -void draw_letter(unsigned int lx, unsigned int ly, unsigned char letter) -{ - draw_cletter(lx, ly, letter, 0xFFFFFF); -} - -void draw_cstring(unsigned int lx, unsigned int ly, char* s, unsigned int c) -{ - unsigned int x = lx % GG_MAX_X, y = ly % GG_MAX_Y; - unsigned int idx = 0; - while(s[idx] != 0) { - draw_cletter(x++, y, s[idx++], c); - if (x > GG_MAX_X) { - y += 1; - x = 0; - } - // CHECK Y EVENTUALLY - } -} - -void draw_string(unsigned int lx, unsigned int ly, char* s) -{ - draw_cstring(lx, ly, s, 0xFFFFFF); -} - -void draw_chex32(unsigned int lx, unsigned int ly, unsigned long val, unsigned int c) -{ - unsigned int x = lx % GG_MAX_X, y = ly % GG_MAX_Y; - for(unsigned int i = 0; i < GLYPH_X; i++) { - draw_cbyte(x++, y, 0xF & (val >> ((GLYPH_X-1)-i)*4), c); - if (x > GG_MAX_X) { - y += 1; - x = 0; - } - // CHECK Y EVENTUALLY - } -} - -void draw_hex32(unsigned int lx, unsigned int ly, unsigned long val) -{ - draw_chex32(lx, ly, val, 0xFFFFFF); -} - -unsigned long draw_cu10(unsigned int lx, unsigned int ly, unsigned long val, unsigned int c) -{ - string_t vals = u32_to_str(val); - unsigned long len = strlen(vals); - draw_cstring(lx, ly, vals, c); - return len; -} - -unsigned long draw_u10(unsigned int lx, unsigned int ly, unsigned long val) -{ - return draw_cu10(lx, ly, val, 0xFFFFFF); -} -- cgit v1.2.1