diff options
Diffstat (limited to 'src/gui/painting/qdrawhelper_armv6_rvct.inc')
| -rw-r--r-- | src/gui/painting/qdrawhelper_armv6_rvct.inc | 496 |
1 files changed, 0 insertions, 496 deletions
diff --git a/src/gui/painting/qdrawhelper_armv6_rvct.inc b/src/gui/painting/qdrawhelper_armv6_rvct.inc deleted file mode 100644 index 8c6d803..0000000 --- a/src/gui/painting/qdrawhelper_armv6_rvct.inc +++ /dev/null @@ -1,496 +0,0 @@ -;**************************************************************************** -;** -;** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). -;** All rights reserved. -;** Contact: Nokia Corporation (qt-info@nokia.com) -;** -;** This file is part of the QtGui module of the Qt Toolkit. -;** -;** $QT_BEGIN_LICENSE:LGPL$ -;** No Commercial Usage -;** This file contains pre-release code and may not be distributed. -;** You may use this file in accordance with the terms and conditions -;** contained in the Technology Preview License Agreement accompanying -;** this package. -;** -;** GNU Lesser General Public License Usage -;** Alternatively, this file may be used under the terms of the GNU Lesser -;** General Public License version 2.1 as published by the Free Software -;** Foundation and appearing in the file LICENSE.LGPL included in the -;** packaging of this file. Please review the following information to -;** ensure the GNU Lesser General Public License version 2.1 requirements -;** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -;** -;** In addition, as a special exception, Nokia gives you certain additional -;** rights. These rights are described in the Nokia Qt LGPL Exception -;** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -;** -;** If you have questions regarding the use of this file, please contact -;** Nokia at qt-info@nokia.com. -;** -;** -;** -;** -;** -;** -;** -;** -;** $QT_END_LICENSE$ -;** -;**************************************************************************** - -; -; W A R N I N G -; ------------- -; -; This file is not part of the Qt API. It exists purely as an -; implementation detail. This header file may change from version to -; version without notice, or even be removed. -; -; We mean it. -; - -;----------------------------------------------------------------------------- -; Globals. -; Earch marcro expects that caller has loaded 0x800080 to r14. -;----------------------------------------------------------------------------- - -ComponentHalf EQU 0x800080 - -;----------------------------------------------------------------------------- -; ARM assembly implementations of accelerated graphics operations. -; -; Conventions: -; -; - r0 = Target buffer pointer -; - r1 = Source buffer pointer -; - r2 = Length of the buffer to blend -; - r3 = Constant alpha for source buffer -; -;----------------------------------------------------------------------------- - -; A macro for transparently defining ARM functions - MACRO -$func Function - AREA Function_$func, CODE - GLOBAL $func - ALIGN 4 - CODE32 -$func - MEND - - -;----------------------------------------------------------------------------- -; Armv6 boosted implementation of BYTE_MUL(...) function found in qdrawhelper_p.h. -; -; @param dst Destination register where to store the result -; @param x Value to multiply -; @param a Multiplicator byte -; @param r14 Component half 0x800080 -; -; @note Trashes x, r8 -;----------------------------------------------------------------------------- - MACRO - ByteMul $dst, $x, $a - - ; static inline uint BYTE_MUL(uint x, uint a) - - ; 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 -; qdrawhelper_p.h. -; -; @param dst Destination register where to store the result -; @param x First value to multiply -; @param a Multiplicator byte for first value -; @param y Second value to multiply -; @param b Multiplicator byte for second value -; @param r14 Component half 0x800080 -; -; -; @note Trashes x, r8, r14 -;----------------------------------------------------------------------------- - MACRO - InterpolatePixel255 $dst, $x, $a, $y, $b - - ; static inline uint INTERPOLATE_PIXEL_255(uint x, uint a, uint y, uint b) - - ; First calculate the parts where we need 0x800080 - - ; 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, $x, lsl #8 - - MEND - -;----------------------------------------------------------------------------- -; -;----------------------------------------------------------------------------- - MACRO -$label Blend4Pixels $BlendPixel - - ; Blend first 4 pixels - - ldmia r1!, {r4-r7} - ldm r0, {r9-r12} - -b4p1_$label $BlendPixel r9, r4, r3 -b4p2_$label $BlendPixel r10, r5, r3 -b4p3_$label $BlendPixel r11, r6, r3 -b4p4_$label $BlendPixel r12, r7, r3 - - stmia r0!, {r9-r12} - - MEND - -;----------------------------------------------------------------------------- -; -;----------------------------------------------------------------------------- - MACRO -$label Blend8Pixels $BlendPixel - -b8p1_$label Blend4Pixels $BlendPixel -b8p2_$label Blend4Pixels $BlendPixel - - MEND - -;----------------------------------------------------------------------------- -; -;----------------------------------------------------------------------------- - MACRO -$label Blend16Pixels $BlendPixel - -b16p1_$label Blend8Pixels $BlendPixel -b16p2_$label Blend8Pixels $BlendPixel - - MEND - -;----------------------------------------------------------------------------- -; -;----------------------------------------------------------------------------- - MACRO -$label Blend32Pixels $BlendPixel - -b32p1_$label Blend16Pixels $BlendPixel -b32p2_$label Blend16Pixels $BlendPixel - - MEND - -;----------------------------------------------------------------------------- -; A macro for source over compositing one row of pixels and saving the results -; to destination buffer. -; -; @param dest Destination buffer (r0) -; @param src Source buffer (r1) -; @param length Length (r2) -; @param const_alpha Constant alpha (r3) -; @param r14 Component Half (0x800080) (r14) -; -; @note Advances r0, r1 -; @note Trashes r2, r4-r12 -;----------------------------------------------------------------------------- - MACRO -$label BlendRow $BlendPixel - - pld [r1] - -bloop_$label - ; Blend 32 pixels per loop iteration - subs r2, r2, #32 - bmi b_remaining_$label - -brp1_$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 - - ; Blend 8 pixels - tst r2, #8 - beq b_remaining4_$label - -brp3_$label Blend8Pixels $BlendPixel - -b_remaining4_$label - - ; Blend 4 pixels - tst r2, #4 - beq b_remaining3_$label - -brp4_$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 -; 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) -; -; @note Advances r0, r1 -; @note Trashes r2, r4-r12 -;----------------------------------------------------------------------------- - MACRO -$label BlendRowSafe $BlendPixel - - stmfd sp!, {r0-r6} ; Preserves registers only up to r6 - -brs_$label BlendRow $BlendPixel - - ldmfd sp!, {r0-r6} - - MEND - - -;----------------------------------------------------------------------------- -; Pix Copy. -; NOTE! Cache line size of ARM1136JF-S and ARM1136J-S is 32 bytes (8 pixels). -; -; @param dst Destination pixels (r0) -; @param src Source pixels (r1) -; @param len Length (r2) -; -; @note Trashes r3-r10 -;----------------------------------------------------------------------------- - MACRO -$label PixCpy $dst, $src, $len - - pld [$src] - -pcpy_loop_$label - ; Copy 8 pixels per loop iteration - pld [$src, #96] - subs $len, $len, #8 - ldmgeia $src!, {r3-r10} - stmgeia $dst!, {r3-r10} - bgt pcpy_loop_$label - -pcpy_remaining_$label - - ; Copy up to 7 remaining pixels - - ; Copy 4 pixels - tst $len, #4 - ldmneia $src!, {r3-r6} - stmneia $dst!, {r3-r6} - - tst $len, #2 - ldmneia $src!, {r3-r4} - stmneia $dst!, {r3-r4} - - tst $len, #1 - ldrne r3, [$src] - strne r3, [$dst] - - MEND - -;----------------------------------------------------------------------------- -; General Pix Copy. Maximum 8 pixels at time. Restores all registers. -; -; @param dst Destination pixels (r0) -; @param src Source pixels (r1) -; @param len Length (r2) -; -; @note Trashes r3-r10 -;----------------------------------------------------------------------------- - MACRO -$label PixCpySafe $dst, $src, $len - - stmfd sp!, {r0-r6} ; Preserves registers only up to r6 - -pcs_$label PixCpy $dst, $src, $len - - ldmfd sp!, {r0-r6} ; pop - - MEND - - -;----------------------------------------------------------------------------- -; A macro for source over compositing one pixel and saving the result to -; dst register. -; -; @param dst Destination register, must contain destination pixel upon entry -; @param src Source register, must contain source pixel upon entry -; @param const_alpha Constant source alpha -; @param r14 Component half 0x800080 -; -; @note Trashes const_alpha, r8 -;----------------------------------------------------------------------------- - MACRO -$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); - - ;cmp $const_alpha, #255 ; test for full transparency ( negated ) - ;beq exit_$label - cmp $const_alpha, #0 ; test for full opacity ( negated ) - moveq $dst, $src - beq exit_$label - - 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. -; -; @param dst Destination register, must contain destination pixel upon entry -; @param src Source register, must contain source pixel upon entry -; @param const_alpha Constant source alpha -; @param r14 Component half 0x800080 -; -; @note Trashes src, const_alpha, r8 -;----------------------------------------------------------------------------- - MACRO -$label PixelSourceOverConstAlpha $dst, $src, $const_alpha - - ; store alpha because we are going to trash it - stmfd sp!, {$const_alpha} - - ByteMul $src, $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); - - ByteMul $dst, $dst, $const_alpha - - add $dst, $src, $dst - - ; recover alpha - ldmfd sp!, {$const_alpha} - - MEND - -;----------------------------------------------------------------------------- -; A macro for source over compositing one pixel and saving the result to -; a register. -; -; @param dst Destination register, must contain destination pixel upon entry -; @param src Source register, must contain source pixel upon entry -; @param const_alpha Constant source alpha -; @param r14 Component half 0x800080 -; -; @note Trashes src, r8 -;----------------------------------------------------------------------------- - MACRO -$label PixelSourceConstAlpha $dst, $src, $const_alpha - - ; store r2 and r14 because we are going to trash them - stmfd sp!, {r2, r14} - - rsb r2, $const_alpha, #255 - InterpolatePixel255 $dst, $src, $const_alpha, $dst, r2 - - ; recover r2 and r14 - ldmfd sp!, {r2, r14} - - MEND - - END ; File end |