summaryrefslogtreecommitdiffstats
path: root/src/gui/painting/qdrawhelper_armv6_rvct.inc
diff options
context:
space:
mode:
Diffstat (limited to 'src/gui/painting/qdrawhelper_armv6_rvct.inc')
-rw-r--r--src/gui/painting/qdrawhelper_armv6_rvct.inc170
1 files changed, 85 insertions, 85 deletions
diff --git a/src/gui/painting/qdrawhelper_armv6_rvct.inc b/src/gui/painting/qdrawhelper_armv6_rvct.inc
index b3e0605..1cb316a 100644
--- a/src/gui/painting/qdrawhelper_armv6_rvct.inc
+++ b/src/gui/painting/qdrawhelper_armv6_rvct.inc
@@ -52,10 +52,10 @@
;-----------------------------------------------------------------------------
; Globals.
-; Earch marcro expects that caller has loaded 0x800080 to r14.
+; Earch marcro expects that caller has loaded 0x800080 to r14.
;-----------------------------------------------------------------------------
-ComponentHalf EQU 0x800080
+ComponentHalf EQU 0x800080
;-----------------------------------------------------------------------------
; ARM assembly implementations of accelerated graphics operations.
@@ -65,7 +65,7 @@ ComponentHalf EQU 0x800080
; - r0 = Target buffer pointer
; - r1 = Source buffer pointer
; - r2 = Length of the buffer to blend
-; - r3 = Constant alpha for source buffer
+; - r3 = Constant alpha for source buffer
;
;-----------------------------------------------------------------------------
@@ -78,8 +78,8 @@ $func Function
CODE32
$func
MEND
-
-
+
+
;-----------------------------------------------------------------------------
; Armv6 boosted implementation of BYTE_MUL(...) function found in qdrawhelper_p.h.
;
@@ -98,29 +98,29 @@ $func
; uint r8 = (x & 0xff00ff) * a + 0x800080
uxtb16 r8, $x ; r8 = r8 & 0x00FF00FF
mla r8, r8, $a, r14
-
+
; x = ((r >> 8) & 0xff00ff) * a + 0x800080
uxtb16 $x, $x, ror #8
mla $x, $x, $a, r14
-
+
; r8 = (r8 + ((r8 >> 8) & 0xff00ff) ) >> 8
; r8 &= 0xff00ff
uxtab16 r8, r8, r8, ror #8
uxtb16 r8, r8, ror #8
-
+
; x = x + ((x >>8) & 0xff00ff)
uxtab16 $x, $x, $x, ror #8
-
+
; x &= 0xff00ff00
; x |= r8
uxtb16 $x, $x, ror #8
orr $dst, r8, $x, lsl #8
-
+
MEND
-
+
;-----------------------------------------------------------------------------
-; Armv6 boosted implementation of INTERPOLATE_PIXEL_255(...) function found in
+; Armv6 boosted implementation of INTERPOLATE_PIXEL_255(...) function found in
; qdrawhelper_p.h.
;
; @param dst Destination register where to store the result
@@ -129,7 +129,7 @@ $func
; @param y Second value to multiply
; @param b Multiplicator byte for second value
; @param r14 Component half 0x800080
-;
+;
;
; @note Trashes x, r8, r14
;-----------------------------------------------------------------------------
@@ -143,40 +143,40 @@ $func
; uint r8 = (((x & 0xff00ff) * a) + 0x800080)
uxtb16 r8, $x ; r8 = r8 & 0x00FF00FF
mla r8, r8, $a, r14
-
+
; x = ((((x >> 8) & 0xff00ff) * a) + 0x800080)
uxtb16 $x, $x, ror #8
mla $x, $x, $a, r14
-
+
; Now we are trashing r14 to free it for other purposes
-
+
; uint r14 = (y & 0xff00ff) * b
uxtb16 r14, $y ; r14 = y & 0x00FF00FF
mul r14, r14, $b
-
+
; r8 = r8 + r14
add r8, r8, r14
-
+
; r8 = (r8 + ((r8 >> 8) & 0xff00ff) ) >> 8
; r8 &= 0xff00ff
uxtab16 r8, r8, r8, ror #8
uxtb16 r8, r8, ror #8
-
+
; r14 = ((y >> 8) & 0xff00ff) * b
uxtb16 r14, $y, ror #8 ; r14 = ((y >> 8) & 0xFF00FF)
mul r14, r14, $b
-
+
; x = x + r14
add $x, $x, r14
-
+
; x = x + ((x >>8) & 0xff00ff)
uxtab16 $x, $x, $x, ror #8
-
+
; x &= 0xff00ff00
; x |= r8
uxtb16 $x, $x, ror #8
orr $dst, r8, $x, lsl #8
-
+
MEND
;-----------------------------------------------------------------------------
@@ -184,19 +184,19 @@ $func
;-----------------------------------------------------------------------------
MACRO
$label Blend4Pixels $BlendPixel
-
- ; Blend first 4 pixels
-
+
+ ; Blend first 4 pixels
+
ldmia r1!, {r4-r7}
ldm r0, {r9-r12}
-
+
b4p1_$label $BlendPixel r9, r4, r3
b4p2_$label $BlendPixel r10, r5, r3
b4p3_$label $BlendPixel r11, r6, r3
b4p4_$label $BlendPixel r12, r7, r3
-
+
stmia r0!, {r9-r12}
-
+
MEND
;-----------------------------------------------------------------------------
@@ -204,43 +204,43 @@ b4p4_$label $BlendPixel r12, r7, r3
;-----------------------------------------------------------------------------
MACRO
$label Blend8Pixels $BlendPixel
-
+
b8p1_$label Blend4Pixels $BlendPixel
-b8p2_$label Blend4Pixels $BlendPixel
-
+b8p2_$label Blend4Pixels $BlendPixel
+
MEND
-
+
;-----------------------------------------------------------------------------
;
;-----------------------------------------------------------------------------
MACRO
$label Blend16Pixels $BlendPixel
-
+
b16p1_$label Blend8Pixels $BlendPixel
-b16p2_$label Blend8Pixels $BlendPixel
-
+b16p2_$label Blend8Pixels $BlendPixel
+
MEND
-
+
;-----------------------------------------------------------------------------
;
;-----------------------------------------------------------------------------
MACRO
$label Blend32Pixels $BlendPixel
-
+
b32p1_$label Blend16Pixels $BlendPixel
-b32p2_$label Blend16Pixels $BlendPixel
-
+b32p2_$label Blend16Pixels $BlendPixel
+
MEND
;-----------------------------------------------------------------------------
-; A macro for source over compositing one row of pixels and saving the results
+; A macro for source over compositing one row of pixels and saving the results
; to destination buffer.
;
; @param dest Destination buffer (r0)
; @param src Source buffer (r1)
; @param length Length (r2)
; @param const_alpha Constant alpha (r3)
-; @param r14 Component Half (0x800080) (r14)
+; @param r14 Component Half (0x800080) (r14)
;
; @note Advances r0, r1
; @note Trashes r2, r4-r12
@@ -260,73 +260,73 @@ brp1_$label Blend32Pixels $BlendPixel
b bloop_$label
b_remaining_$label
-
+
; Remaining 31 pixels
-
+
addmi r2, r2, #32
; Blend 16 pixels
tst r2, #16
beq b_remaining8_$label
-
+
brp2_$label Blend16Pixels $BlendPixel
-
-b_remaining8_$label
-
+
+b_remaining8_$label
+
; Blend 8 pixels
tst r2, #8
beq b_remaining4_$label
-
-brp3_$label Blend8Pixels $BlendPixel
-
-b_remaining4_$label
-
+
+brp3_$label Blend8Pixels $BlendPixel
+
+b_remaining4_$label
+
; Blend 4 pixels
tst r2, #4
beq b_remaining3_$label
-
-brp4_$label Blend4Pixels $BlendPixel
+
+brp4_$label Blend4Pixels $BlendPixel
b_remaining3_$label
; Remaining 3 pixels
-
+
tst r2, #2
beq b_last_$label
-
+
ldmia r1!, {r4-r5}
ldm r0, {r9-r10}
-
+
brp5_$label $BlendPixel r9, r4, r3
brp6_$label $BlendPixel r10, r5, r3
-
+
stmia r0!, {r9-r10}
b_last_$label
-
+
tst r2, #1
beq bexit_$label
-
+
ldr r4, [r1]
ldr r9, [r0]
bpl_$label $BlendPixel r9, r4, r3
-
+
str r9, [r0]
bexit_$label
MEND
-
+
;-----------------------------------------------------------------------------
-; A macro for source over compositing one row of pixels and saving the results
+; A macro for source over compositing one row of pixels and saving the results
; to destination buffer. Restores all registers.
;
; @param dest Destination buffer (r0)
; @param src Source buffer (r1)
; @param length Length (r2)
; @param const_alpha Constant alpha (r3)
-; @param r14 Component Half (0x800080) (r14)
+; @param r14 Component Half (0x800080) (r14)
;
; @note Advances r0, r1
; @note Trashes r2, r4-r12
@@ -336,16 +336,16 @@ $label BlendRowSafe $BlendPixel
stmfd sp!, {r0-r6} ; Preserves registers only up to r6
-brs_$label BlendRow $BlendPixel
+brs_$label BlendRow $BlendPixel
ldmfd sp!, {r0-r6}
- MEND
-
+ MEND
+
;-----------------------------------------------------------------------------
-; Pix Copy.
-; NOTE! Cache line size of ARM1136JF-S and ARM1136J-S is 32 bytes (8 pixels).
+; Pix Copy.
+; NOTE! Cache line size of ARM1136JF-S and ARM1136J-S is 32 bytes (8 pixels).
;
; @param dst Destination pixels (r0)
; @param src Source pixels (r1)
@@ -369,7 +369,7 @@ pcpy_loop_$label
pcpy_remaining_$label
; Copy up to 7 remaining pixels
-
+
; Copy 4 pixels
tst $len, #4
ldmneia $src!, {r3-r6}
@@ -384,9 +384,9 @@ pcpy_remaining_$label
strne r3, [$dst]
MEND
-
+
;-----------------------------------------------------------------------------
-; General Pix Copy. Maximum 8 pixels at time. Restores all registers.
+; General Pix Copy. Maximum 8 pixels at time. Restores all registers.
;
; @param dst Destination pixels (r0)
; @param src Source pixels (r1)
@@ -402,10 +402,10 @@ $label PixCpySafe $dst, $src, $len
pcs_$label PixCpy $dst, $src, $len
ldmfd sp!, {r0-r6} ; pop
-
+
MEND
-
-
+
+
;-----------------------------------------------------------------------------
; A macro for source over compositing one pixel and saving the result to
; dst register.
@@ -422,7 +422,7 @@ $label PixelSourceOver $dst, $src, $const_alpha
; Negate src and extract alpha
mvn $const_alpha, $src ; bitwise not
- uxtb $const_alpha, $const_alpha, ror #24 ; r3 = ((r3 & 0xFF000000) >> 24);
+ uxtb $const_alpha, $const_alpha, ror #24 ; r3 = ((r3 & 0xFF000000) >> 24);
;cmp $const_alpha, #255 ; test for full transparency ( negated )
;beq exit_$label
@@ -430,12 +430,12 @@ $label PixelSourceOver $dst, $src, $const_alpha
moveq $dst, $src
beq exit_$label
- ByteMul $dst, $dst, $const_alpha
+ ByteMul $dst, $dst, $const_alpha
add $dst, $src, $dst
-
+
exit_$label
MEND
-
+
;-----------------------------------------------------------------------------
; A macro for source over compositing one pixel and saving the result to
; dst register.
@@ -457,7 +457,7 @@ $label PixelSourceOverConstAlpha $dst, $src, $const_alpha
; Negate src and extract alpha
mvn $const_alpha, $src ; bitwise not
- uxtb $const_alpha, $const_alpha, ror #24 ; r3 = ((r3 & 0xFF000000) >> 24);
+ uxtb $const_alpha, $const_alpha, ror #24 ; r3 = ((r3 & 0xFF000000) >> 24);
ByteMul $dst, $dst, $const_alpha
@@ -466,8 +466,8 @@ $label PixelSourceOverConstAlpha $dst, $src, $const_alpha
; recover alpha
ldmfd sp!, {$const_alpha}
- MEND
-
+ MEND
+
;-----------------------------------------------------------------------------
; A macro for source over compositing one pixel and saving the result to
; a register.
@@ -491,6 +491,6 @@ $label PixelSourceConstAlpha $dst, $src, $const_alpha
; recover r2 and r14
ldmfd sp!, {r2, r14}
- MEND
-
+ MEND
+
END ; File end
generated by cgit v0.12 at 2024-12-26 20:03:10 (GMT)