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32x, fix softscale enabled by 32x

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also some streamlining cleanup in the drawing code
This commit is contained in:
kub 2023-06-11 19:11:18 +00:00
parent f81718cbb8
commit 17c1401b44
5 changed files with 62 additions and 59 deletions
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14
pico/draw_arm.S
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@ -18,7 +18,9 @@
.equ PDRAW_WND_DIFF_PRIO, (1<<1)
.equ PDRAW_PLANE_HI_PRIO, (1<<6)
.equ PDRAW_SHHI_DONE, (1<<7)
.equ PDRAW_BORDER_32, (1<<9)
.equ PDRAW_32X_SCALE, (1<<12)
.equ PDRAW_SOFTSCALE, (1<<15)
@ helpers
.macro add_c24 d s c
@ -1642,7 +1644,7 @@ FinalizeLine555:
ldr r5, [r11, #OFS_EST_PicoOpt]
ldr r1, [r11, #OFS_EST_HighCol]
ldr r0, [r11, #OFS_EST_DrawLineDest]
ldr r4, [r5]
ldr r4, [r11, #OFS_EST_rendstatus]
ldr r7, [r5, #OFS_PicoIn_AHW-OFS_PicoIn_opt]
ldrb r12,[r8, #OFS_Pico_video_reg+12]
ldrb r6, [r8, #OFS_Pico_video_reg+0]
@ -1664,7 +1666,7 @@ FinalizeLine555:
.fl_gg20col:
mov r2, #160/8 @ len = 160
tst r4, #0x4000 @ EN_SOFTSCALE?
tst r4, #PDRAW_SOFTSCALE
bne .fl_20scale_RGB555 @ scale 160->320
b .fl_checkborder
@ -1675,15 +1677,15 @@ FinalizeLine555:
mov r2, #256/8 @ len = 256
.fl_check32scaling:
tst r4, #0x4000 @ EN_SOFTSCALE?
tst r4, #PDRAW_SOFTSCALE
rsbne r7, r2, #256/8
addne r0, r0, r7, lsl #3 @ pd += (256-len)>>1
bne .fl_32scale_RGB555 @ scale 256->320
.fl_checkborder:
tst r4, #0x0100 @ DIS_32C_BORDER?
rsbeq r7, r2, #320/8 @ pd += (320-len)/2
addeq r0, r0, r7, lsl #3
tst r4, #PDRAW_BORDER_32
rsbne r7, r2, #320/8 @ pd += (320-len)/2
addne r0, r0, r7, lsl #3
.fl_40colRGB555:
#ifdef UNALIGNED_DRAWLINEDEST