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GUI: Added support for double buffering on the vector display for smoother motion

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(Tim) Efthimis Kritikos 2024-02-16 19:12:03 +00:00
parent 2c07ced789
commit fba8c1f2f4
2 changed files with 37 additions and 7 deletions
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17
gui.c
View File

@ -598,8 +598,10 @@ int update_general_terminal_output(struct simdata_t *simdata){
term_curs_x=0; term_curs_x=0;
term_curs_y=0; term_curs_y=0;
uint8_t* vector_frame_buffer=malloc((height*4)*(width*2)); uint8_t* vector_working_frame_buffer=malloc((height*4)*(width*2));
memset(vector_frame_buffer,0,(height*4)*(width*2)); uint8_t* vector_display_frame_buffer=malloc((height*4)*(width*2));
memset(vector_working_frame_buffer,0,(height*4)*(width*2));
memset(vector_display_frame_buffer,0,(height*4)*(width*2));
int vector=0; int vector=0;
int vstate=0; int vstate=0;
@ -615,7 +617,9 @@ int update_general_terminal_output(struct simdata_t *simdata){
if(c==0x00000001) if(c==0x00000001)
vector=0; vector=0;
else if(c==0x00000002) else if(c==0x00000002)
memset(vector_frame_buffer,0,(height*4)*(width*2)); memset(vector_working_frame_buffer,0,(height*4)*(width*2));
else if(c==0x00000003)
memcpy(vector_display_frame_buffer,vector_working_frame_buffer,(height*4)*(width*2));
else else
vstate++; vstate++;
break; break;
@ -641,7 +645,7 @@ int update_general_terminal_output(struct simdata_t *simdata){
xoff=(vfb_width-vfb_height)/2; xoff=(vfb_width-vfb_height)/2;
else else
yoff=(vfb_height-vfb_width)/2; yoff=(vfb_height-vfb_width)/2;
braille_frame_buffer_line(vector_frame_buffer,vfb_width,vfb_height,xoff+(x0+1)*(min_dim/2),yoff+(y0+1)*(min_dim/2),xoff+(x1+1)*(min_dim/2),yoff+(y1+1)*(min_dim/2)); braille_frame_buffer_line(vector_working_frame_buffer,vfb_width,vfb_height,xoff+(x0+1)*(min_dim/2),yoff+(y0+1)*(min_dim/2),xoff+(x1+1)*(min_dim/2),yoff+(y1+1)*(min_dim/2));
vstate=0; vstate=0;
break; break;
} }
@ -690,10 +694,11 @@ int update_general_terminal_output(struct simdata_t *simdata){
mvwchgat(general_terminal_output,term_curs_y+1,term_curs_x+1, 1, A_REVERSE, 0, NULL); mvwchgat(general_terminal_output,term_curs_y+1,term_curs_x+1, 1, A_REVERSE, 0, NULL);
mvwprintw(general_terminal_output,0,width/2-7,"[ TERM OUTPUT ]"); mvwprintw(general_terminal_output,0,width/2-7,"[ TERM OUTPUT ]");
}else{ }else{
print_braille_frame_buffer(general_terminal_output,vector_frame_buffer,(width-2)*2,(height-2)*4); print_braille_frame_buffer(general_terminal_output,vector_display_frame_buffer,(width-2)*2,(height-2)*4);
mvwprintw(general_terminal_output,0,width/2-9,"[ VECTOR DISPLAY ]"); mvwprintw(general_terminal_output,0,width/2-9,"[ VECTOR DISPLAY ]");
} }
free(vector_frame_buffer); free(vector_working_frame_buffer);
free(vector_display_frame_buffer);
return 0; return 0;
} }

27
programs/3d_renderer.asm
View File

@ -6,6 +6,23 @@ MOV $0xFFFF,%R1l
MOV $0xFFFF,%R1h MOV $0xFFFF,%R1h
MOV %R1,(%R4) MOV %R1,(%R4)
CALL $RENDER CALL $RENDER
MOV $>DATA_START,%R0l
MOV $<DATA_START,%R0h
MOV (%R0),%R1
MOV $0x3f4c,%R4h #0.8
MOV $0xcccd,%R4l
FADD %R4,%R1
MOV %R1,(%R0)
CALL $RENDER
MOV $>DATA_START,%R0l
MOV $<DATA_START,%R0h
MOV (%R0),%R1
MOV $0x3f4c,%R4h #0.8
MOV $0xcccd,%R4l
FADD %R4,%R1
MOV %R1,(%R0)
CALL $RENDER
HALT
:RENDER :RENDER
MOV $>DATA_START,%R0l MOV $>DATA_START,%R0l
@ -16,6 +33,11 @@ MOV $0x0001,%R6l
MOV $0x0000,%R6h MOV $0x0000,%R6h
MOV $0x0004,%R5l MOV $0x0004,%R5l
MOV $0x0000,%R5h MOV $0x0000,%R5h
MOV $0xFFFC,%R4l
MOV $0x00FF,%R4h
MOV $0x0002,%R1l
MOV $0x0000,%R1h #Clear the frame
MOV %R1,(%R4)
:RENDER_LOOP :RENDER_LOOP
MOV $0xFFFF,%R1l MOV $0xFFFF,%R1l
MOV $0xFFFF,%R1h MOV $0xFFFF,%R1h
@ -71,7 +93,10 @@ MOV %R2,(%R4)
SUB %R6,%R7 SUB %R6,%R7
JMP,NZ $RENDER_LOOP JMP,NZ $RENDER_LOOP
HALT MOV $0x0003,%R1l
MOV $0x0000,%R1h #Display the frame
MOV %R1,(%R4)
RET