Modify framebuffer and NGA framebuffer to read screen size from board model dtb file. Optimise memory usuage of frame buffer
Add example minigui application with hooks to profiler (which writes results to S:\). Modified NGA framebuffer to run its own dfc queue at high priority
;
; x86 format converters for HERMES
; Copyright (c) 1998 Glenn Fielder (gaffer@gaffer.org)
; This source code is licensed under the GNU LGPL
;
; Please refer to the file COPYING.LIB contained in the distribution for
; licensing conditions
;
; Routines adjusted for Hermes by Christian Nentwich (brn@eleet.mcb.at)
; Used with permission.
;
BITS 32
%include "common.inc"
SDL_FUNC _ConvertX86p16_16BGR565
SDL_FUNC _ConvertX86p16_16RGB555
SDL_FUNC _ConvertX86p16_16BGR555
SDL_FUNC _ConvertX86p16_8RGB332
EXTERN _ConvertX86
SECTION .text
_ConvertX86p16_16BGR565:
; check short
cmp ecx,BYTE 16
ja .L3
.L1 ; short loop
mov al,[esi]
mov ah,[esi+1]
mov ebx,eax
mov edx,eax
shr eax,11
and eax,BYTE 11111b
and ebx,11111100000b
shl edx,11
add eax,ebx
add eax,edx
mov [edi],al
mov [edi+1],ah
add esi,BYTE 2
add edi,BYTE 2
dec ecx
jnz .L1
.L2
retn
.L3 ; head
mov eax,edi
and eax,BYTE 11b
jz .L4
mov al,[esi]
mov ah,[esi+1]
mov ebx,eax
mov edx,eax
shr eax,11
and eax,BYTE 11111b
and ebx,11111100000b
shl edx,11
add eax,ebx
add eax,edx
mov [edi],al
mov [edi+1],ah
add esi,BYTE 2
add edi,BYTE 2
dec ecx
.L4 ; save count
push ecx
; unroll twice
shr ecx,1
; point arrays to end
lea esi,[esi+ecx*4]
lea edi,[edi+ecx*4]
; negative counter
neg ecx
jmp SHORT .L6
.L5 mov [edi+ecx*4-4],eax
.L6 mov eax,[esi+ecx*4]
mov ebx,[esi+ecx*4]
and eax,07E007E0h
mov edx,[esi+ecx*4]
and ebx,0F800F800h
shr ebx,11
and edx,001F001Fh
shl edx,11
add eax,ebx
add eax,edx
inc ecx
jnz .L5
mov [edi+ecx*4-4],eax
; tail
pop ecx
and ecx,BYTE 1
jz .L7
mov al,[esi]
mov ah,[esi+1]
mov ebx,eax
mov edx,eax
shr eax,11
and eax,BYTE 11111b
and ebx,11111100000b
shl edx,11
add eax,ebx
add eax,edx
mov [edi],al
mov [edi+1],ah
add esi,BYTE 2
add edi,BYTE 2
.L7
retn
_ConvertX86p16_16RGB555:
; check short
cmp ecx,BYTE 32
ja .L3
.L1 ; short loop
mov al,[esi]
mov ah,[esi+1]
mov ebx,eax
shr ebx,1
and ebx, 0111111111100000b
and eax,BYTE 0000000000011111b
add eax,ebx
mov [edi],al
mov [edi+1],ah
add esi,BYTE 2
add edi,BYTE 2
dec ecx
jnz .L1
.L2
retn
.L3 ; head
mov eax,edi
and eax,BYTE 11b
jz .L4
mov al,[esi]
mov ah,[esi+1]
mov ebx,eax
shr ebx,1
and ebx, 0111111111100000b
and eax,BYTE 0000000000011111b
add eax,ebx
mov [edi],al
mov [edi+1],ah
add esi,BYTE 2
add edi,BYTE 2
dec ecx
.L4 ; save ebp
push ebp
; save count
push ecx
; unroll four times
shr ecx,2
; point arrays to end
lea esi,[esi+ecx*8]
lea edi,[edi+ecx*8]
; negative counter
xor ebp,ebp
sub ebp,ecx
.L5 mov eax,[esi+ebp*8] ; agi?
mov ecx,[esi+ebp*8+4]
mov ebx,eax
mov edx,ecx
and eax,0FFC0FFC0h
and ecx,0FFC0FFC0h
shr eax,1
and ebx,001F001Fh
shr ecx,1
and edx,001F001Fh
add eax,ebx
add ecx,edx
mov [edi+ebp*8],eax
mov [edi+ebp*8+4],ecx
inc ebp
jnz .L5
; tail
pop ecx
.L6 and ecx,BYTE 11b
jz .L7
mov al,[esi]
mov ah,[esi+1]
mov ebx,eax
shr ebx,1
and ebx, 0111111111100000b
and eax,BYTE 0000000000011111b
add eax,ebx
mov [edi],al
mov [edi+1],ah
add esi,BYTE 2
add edi,BYTE 2
dec ecx
jmp SHORT .L6
.L7 pop ebp
retn
_ConvertX86p16_16BGR555:
; check short
cmp ecx,BYTE 16
ja .L3
.L1 ; short loop
mov al,[esi]
mov ah,[esi+1]
mov ebx,eax
mov edx,eax
shr eax,11
and eax,BYTE 11111b
shr ebx,1
and ebx,1111100000b
shl edx,10
and edx,0111110000000000b
add eax,ebx
add eax,edx
mov [edi],al
mov [edi+1],ah
add esi,BYTE 2
add edi,BYTE 2
dec ecx
jnz .L1
.L2
retn
.L3 ; head
mov eax,edi
and eax,BYTE 11b
jz .L4
mov al,[esi]
mov ah,[esi+1]
mov ebx,eax
mov edx,eax
shr eax,11
and eax,BYTE 11111b
shr ebx,1
and ebx,1111100000b
shl edx,10
and edx,0111110000000000b
add eax,ebx
add eax,edx
mov [edi],al
mov [edi+1],ah
add esi,BYTE 2
add edi,BYTE 2
dec ecx
.L4 ; save count
push ecx
; unroll twice
shr ecx,1
; point arrays to end
lea esi,[esi+ecx*4]
lea edi,[edi+ecx*4]
; negative counter
neg ecx
jmp SHORT .L6
.L5 mov [edi+ecx*4-4],eax
.L6 mov eax,[esi+ecx*4]
shr eax,1
mov ebx,[esi+ecx*4]
and eax,03E003E0h
mov edx,[esi+ecx*4]
and ebx,0F800F800h
shr ebx,11
and edx,001F001Fh
shl edx,10
add eax,ebx
add eax,edx
inc ecx
jnz .L5
mov [edi+ecx*4-4],eax
; tail
pop ecx
and ecx,BYTE 1
jz .L7
mov al,[esi]
mov ah,[esi+1]
mov ebx,eax
mov edx,eax
shr eax,11
and eax,BYTE 11111b
shr ebx,1
and ebx,1111100000b
shl edx,10
and edx,0111110000000000b
add eax,ebx
add eax,edx
mov [edi],al
mov [edi+1],ah
add esi,BYTE 2
add edi,BYTE 2
.L7
retn
_ConvertX86p16_8RGB332:
; check short
cmp ecx,BYTE 16
ja .L3
.L1 ; short loop
mov al,[esi+0]
mov ah,[esi+1]
mov ebx,eax
mov edx,eax
and eax,BYTE 11000b ; blue
shr eax,3
and ebx,11100000000b ; green
shr ebx,6
and edx,1110000000000000b ; red
shr edx,8
add eax,ebx
add eax,edx
mov [edi],al
add esi,BYTE 2
inc edi
dec ecx
jnz .L1
.L2
retn
.L3 mov eax,edi
and eax,BYTE 11b
jz .L4
mov al,[esi+0]
mov ah,[esi+1]
mov ebx,eax
mov edx,eax
and eax,BYTE 11000b ; blue
shr eax,3
and ebx,11100000000b ; green
shr ebx,6
and edx,1110000000000000b ; red
shr edx,8
add eax,ebx
add eax,edx
mov [edi],al
add esi,BYTE 2
inc edi
dec ecx
jmp SHORT .L3
.L4 ; save ebp
push ebp
; save count
push ecx
; unroll 4 times
shr ecx,2
; prestep
mov dl,[esi+0]
mov bl,[esi+1]
mov dh,[esi+2]
.L5 shl edx,16
mov bh,[esi+3]
shl ebx,16
mov dl,[esi+4]
mov dh,[esi+6]
mov bl,[esi+5]
and edx,00011000000110000001100000011000b
mov bh,[esi+7]
ror edx,16+3
mov eax,ebx ; setup eax for reds
and ebx,00000111000001110000011100000111b
and eax,11100000111000001110000011100000b ; reds
ror ebx,16-2
add esi,BYTE 8
ror eax,16
add edi,BYTE 4
add eax,ebx
mov bl,[esi+1] ; greens
add eax,edx
mov dl,[esi+0] ; blues
mov [edi-4],eax
mov dh,[esi+2]
dec ecx
jnz .L5
; check tail
pop ecx
and ecx,BYTE 11b
jz .L7
.L6 ; tail
mov al,[esi+0]
mov ah,[esi+1]
mov ebx,eax
mov edx,eax
and eax,BYTE 11000b ; blue
shr eax,3
and ebx,11100000000b ; green
shr ebx,6
and edx,1110000000000000b ; red
shr edx,8
add eax,ebx
add eax,edx
mov [edi],al
add esi,BYTE 2
inc edi
dec ecx
jnz .L6
.L7 pop ebp
retn
%ifidn __OUTPUT_FORMAT__,elf
section .note.GNU-stack noalloc noexec nowrite progbits
%endif