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Commit 606d4aec authored by Elliott Hughes's avatar Elliott Hughes Committed by Ljubomir Papuga
Browse files

Revert "Revert "Add MIPS64r6 support for libpixelflinger"" 

This reverts commit 7fd12178.

Change-Id: Ic1204a8407c235b07c643764d5f2800631fecd72
parent f8e70a3a

libpixelflinger/Android.mk

+9 −0
Original line number Diff line number Diff line
@@ -50,6 +50,14 @@ PIXELFLINGER_SRC_FILES_mips := \ 
	arch-mips/t32cb16blend.S \



endif



PIXELFLINGER_SRC_FILES_mips64 := \

        codeflinger/MIPSAssembler.cpp \

	codeflinger/MIPS64Assembler.cpp \

	codeflinger/mips64_disassem.c \

	arch-mips64/col32cb16blend.S \

	arch-mips64/t32cb16blend.S \



#

# Shared library

#
@@ -59,6 +67,7 @@ LOCAL_SRC_FILES := $(PIXELFLINGER_SRC_FILES) 
LOCAL_SRC_FILES_arm := $(PIXELFLINGER_SRC_FILES_arm)

LOCAL_SRC_FILES_arm64 := $(PIXELFLINGER_SRC_FILES_arm64)

LOCAL_SRC_FILES_mips := $(PIXELFLINGER_SRC_FILES_mips)

LOCAL_SRC_FILES_mips64 := $(PIXELFLINGER_SRC_FILES_mips64)

LOCAL_CFLAGS := $(PIXELFLINGER_CFLAGS)

LOCAL_EXPORT_C_INCLUDE_DIRS := $(LOCAL_PATH)/include

LOCAL_C_INCLUDES += $(LOCAL_EXPORT_C_INCLUDE_DIRS) \

libpixelflinger/arch-mips/col32cb16blend.S

0 → 100644
+134 −0
Original line number Diff line number Diff line 
/*

** Copyright 2015, The Android Open Source Project

**

** Licensed under the Apache License, Version 2.0 (the "License");

** you may not use this file except in compliance with the License.

** You may obtain a copy of the License at

**

**     http://www.apache.org/licenses/LICENSE-2.0

**

** Unless required by applicable law or agreed to in writing, software

** distributed under the License is distributed on an "AS IS" BASIS,

** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

** See the License for the specific language governing permissions and

** limitations under the License.

*/



       .macro pixel dreg src f sR sG sB shift



#if __mips==32 && __mips_isa_rev>=2

       /* extract red */

       ext $t4,\src,\shift+11,5

       mul $t4,$t4,\f



       /* extract green */

       ext $t5,\src,\shift+5,6

       mul $t5,$t5,\f



       /* extract blue */

       ext $t6,\src,\shift,5

       mul $t6,$t6,\f

#else

       /* extract red */

       srl $t4,\src,\shift+11

       andi $t4, 0x1f

       mul $t4,$t4,\f



       /* extract green */

       srl $t5,\src,\shift+5

       andi $t5, 0x3f

       mul $t5,$t5,\f



       /* extract blue */

       srl $t6,\src,\shift

       andi $t6, 0x1f

       mul $t6,$t6,\f

#endif



       srl $t4,$t4,8

       srl $t5,$t5,8

       srl $t6,$t6,8

       addu $t4,$t4,\sR

       addu $t5,$t5,\sG

       addu \dreg,$t6,\sB

       sll $t4,$t4,11

       sll $t5,$t5,5

       or \dreg,\dreg,$t4

       or \dreg,\dreg,$t5

       andi \dreg, 0xffff

       .endm



       .text

       .align



       .global scanline_col32cb16blend_mips

       .ent    scanline_col32cb16blend_mips

scanline_col32cb16blend_mips:



       /* check if count is zero */

       srl     $v0,$a1,24 /* sA */

       beqz    $a2,done

       li      $t4, 0x100

       srl     $v1,$v0,7

       addu    $v0,$v1,$v0

       subu    $v0,$t4,$v0 /* f */

#if __mips==32 && __mips_isa_rev>=2

       ext     $a3,$a1,3,5 /* sR */

       ext     $t0,$a1,10,6 /* sG */

       ext     $t1,$a1,19,5 /* sB */

#else

       srl     $a3, $a1, 3

       andi    $a3, 0x1f    /* sR */

       srl     $t0, $a1, 10

       andi    $t0, 0x3f    /* sG */

       srl     $t1, $a1, 19

       andi    $t1, 0x1f    /* sB */

#endif



       /* check if cnt is at least 4 */

       addiu   $a2,$a2,-4

       bltz    $a2,tail



loop_4pixels:

       lw      $t7,0($a0)

       lw      $t8,4($a0)

       addiu   $a0,$a0,8

       addiu   $a2,$a2,-4

       pixel   $t2 $t7 $v0 $a3 $t0 $t1 0

       pixel   $t3 $t7 $v0 $a3 $t0 $t1 16

#if __mips==32 && __mips_isa_rev>=2

       ins     $t2,$t3,16,16

#else

       sll $t3, 16

       or  $t2, $t2, $t3

#endif

       pixel   $t7 $t8 $v0 $a3 $t0 $t1 0

       pixel   $t3 $t8 $v0 $a3 $t0 $t1 16

#if __mips==32 && __mips_isa_rev>=2

       ins     $t7,$t3,16,16

#else

       sll $t3, 16

       or  $t7, $t7, $t3

#endif

       sw      $t2,-8($a0)

       sw      $t7,-4($a0)

       bgez    $a2, loop_4pixels



tail:

       /* the pixel count underran, restore it now */

       addiu   $a2,$a2,4



       /* handle the last 0..3 pixels */

       beqz    $a2,done



loop_1pixel:

       lhu     $t7,0($a0)

       addiu   $a0,$a0,2

       addiu   $a2,$a2,-1

       pixel   $t2 $t7 $v0 $a3 $t0 $t1 0

       sh      $t2, -2($a0)

       bnez    $a2,loop_1pixel



done:

       j       $ra

       .end    scanline_col32cb16blend_mips

libpixelflinger/arch-mips/t32cb16blend.S

+191 −182
Original line number Diff line number Diff line
@@ -55,7 +55,12 @@ DBG .set at 
    ext  $t8,\src,3,5               # src[7..3]

    srl  $t6,8

    addu $t8,$t6

	ins	\fb,$t8,\shift+6+5,5			# dst[\shift:15..11]

.if \shift!=0

    sll  $t8,\shift+11

    or   \fb,$t8

.else

    sll  \fb,$t8,11

.endif



    /* green */

    mul  $t8,$t0,$t7
@@ -66,11 +71,13 @@ DBG .set at 


    /* blue */

    mul  $t0,$t0,$t7

	ins	\fb,$t8,\shift+5,6			# finish green insertion dst[\shift:10..5]

    sll  $t8, $t8, \shift+5

    or   \fb, \fb, $t8

    ext  $t6,\src,(3+8+8),5

    srl  $t8,$t0,8

    addu $t8,$t6

	ins	\fb,$t8,\shift,5

    sll  $t8, $t8, \shift

    or   \fb, \fb, $t8



DBG .set    noat

DBG rdhwr $t8,$2
@@ -215,6 +222,7 @@ fourpixels: 
    lw    $t3,-8($a0)



    pixel $t3,$t4,$t1,0

    andi  $t1, 0xFFFF

    pixel $t3,$t5,$t1,16

    sw    $t1,-8($a0)
@@ -231,6 +239,7 @@ fourpixels: 
    lw    $t3,-4($a0)



    pixel $t3,$t4,$t1,0

    andi  $t1, 0xFFFF

    pixel $t3,$t5,$t1,16

    sw    $t1,-4($a0)

libpixelflinger/arch-mips64/col32cb16blend.S

0 → 100644
+108 −0
Original line number Diff line number Diff line 
/*

** Copyright 2015, The Android Open Source Project

**

** Licensed under the Apache License, Version 2.0 (the "License");

** you may not use this file except in compliance with the License.

** You may obtain a copy of the License at

**

**     http://www.apache.org/licenses/LICENSE-2.0

**

** Unless required by applicable law or agreed to in writing, software

** distributed under the License is distributed on an "AS IS" BASIS,

** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

** See the License for the specific language governing permissions and

** limitations under the License.

*/



    .macro pixel dreg src f sR sG sB shift



    /* extract red */

.if \shift < 32

    dext   $t0,\src,\shift+11,5

.else

    dextu  $t0,\src,\shift+11,5

.endif

    mul    $t0,$t0,\f



    /* extract green */

.if \shift < 32

    dext   $t1,\src,\shift+5,6

.else

    dextu  $t1,\src,\shift+5,6

.endif

    mul    $t1,$t1,\f



    /* extract blue */

.if \shift < 32

    dext   $t2,\src,\shift,5

.else

    dextu  $t2,\src,\shift,5

.endif

    mul    $t2,$t2,\f



    srl    $t0,$t0,8

    srl    $t1,$t1,8

    srl    $t2,$t2,8

    addu   $t0,$t0,\sR

    addu   $t1,$t1,\sG

    addu   \dreg,$t2,\sB

    sll    $t0,$t0,11

    sll    $t1,$t1,5

    or     \dreg,\dreg,$t0

    or     \dreg,\dreg,$t1

    .endm



    .text

    .align



    .global scanline_col32cb16blend_mips64

    .ent    scanline_col32cb16blend_mips64

scanline_col32cb16blend_mips64:



    /* check if count is zero */

    srl     $v0,$a1,24 /* sA */

    beqz    $a2,done

    li      $t0, 0x100

    srl     $v1,$v0,7

    addu    $v0,$v1,$v0

    subu    $v0,$t0,$v0 /* f */

    ext     $a3,$a1,3,5 /* sR */

    ext     $a4,$a1,10,6 /* sG */

    ext     $a5,$a1,19,5 /* sB */



    /* check if cnt is at least 4 */

    addiu   $a2,$a2,-4

    bltz    $a2,tail



loop_4pixels:

    ld      $t3,0($a0)

    daddiu  $a0,$a0,8

    addiu   $a2,$a2,-4

    pixel   $a6 $t3 $v0 $a3 $a4 $a5 0

    pixel   $a7 $t3 $v0 $a3 $a4 $a5 16

    pixel   $t8 $t3 $v0 $a3 $a4 $a5 32

    pixel   $t9 $t3 $v0 $a3 $a4 $a5 48

    dins    $a6,$a7,16,16

    dinsu   $a6,$t8,32,16

    dinsu   $a6,$t9,48,16

    sd      $a6,-8($a0)

    bgez    $a2, loop_4pixels



tail:

    /* the pixel count underran, restore it now */

    addiu   $a2,$a2,4



    /* handle the last 0..3 pixels */

    beqz    $a2,done



loop_1pixel:

    lhu     $t3,0($a0)

    daddiu  $a0,$a0,2

    addiu   $a2,$a2,-1

    pixel   $a6 $t3 $v0 $a3 $a4 $a5 0

    sh      $a6, -2($a0)

    bnez    $a2,loop_1pixel



done:

    j       $ra

    .end    scanline_col32cb16blend_mips64

libpixelflinger/arch-mips64/t32cb16blend.S

0 → 100644
+172 −0
Original line number Diff line number Diff line 
/*

** Copyright 2015, The Android Open Source Project

**

** Licensed under the Apache License, Version 2.0 (the "License");

** you may not use this file except in compliance with the License.

** You may obtain a copy of the License at

**

**     http://www.apache.org/licenses/LICENSE-2.0

**

** Unless required by applicable law or agreed to in writing, software

** distributed under the License is distributed on an "AS IS" BASIS,

** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

** See the License for the specific language governing permissions and

** limitations under the License.

*/



#ifdef DEBUG

#define DBG

#else

#define DBG #

#endif



/*

 * blend one of 2 16bpp RGB pixels held in dreg selected by shift

 * with the 32bpp ABGR pixel held in src and store the result in fb

 *

 * Assumes that the dreg data is little endian and that

 * the the second pixel (shift==16) will be merged into

 * the fb result

 *

 * Uses $a4,$t2,$t3,$t8

 */



    .macro pixel dreg src fb shift

    /*

     * sA = s >> 24

     * f = 0x100 - (sA + (sA>>7))

     */

    srl     $t3,\src,24

    srl     $t2,$t3,7

    addu    $t3,$t2

    li      $t2,0x100

    subu    $t3,$t2,$t3



    /* red */

    ext     $t8,\dreg,\shift+6+5,5                  # dst[\shift:15..11]

    mul     $t2,$t8,$t3

    ext     $a4,\dreg,\shift+5,6                    # start green extraction dst[\shift:10..5]

    ext     $t8,\src,3,5                            # src[7..3]

    srl     $t2,8

    addu    $t8,$t2

.if \shift!=0

    sll     $t8,\shift+11                           # dst[\shift:15..11]

    or      \fb,$t8

.else

    sll     \fb,$t8,11

.endif



    /* green */

    mul     $t8,$a4,$t3

    ext     $a4,\dreg,\shift,5                      # start blue extraction dst[\shift:4..0]

    ext     $t2,\src,2+8,6                          # src[15..10]

    srl     $t8,8

    addu    $t8,$t2



    /* blue */

    mul     $a4,$a4,$t3

    sll     $t8, $t8, \shift+5                  # finish green insertion dst[\shift:10..5]

    or      \fb, \fb, $t8

    ext     $t2,\src,(3+8+8),5

    srl     $t8,$a4,8

    addu    $t8,$t2

    sll     $t8, $t8, \shift

    or      \fb, \fb, $t8

    .endm



    .text

    .align



    .global scanline_t32cb16blend_mips64

    .ent    scanline_t32cb16blend_mips64

scanline_t32cb16blend_mips64:

    daddiu  $sp, $sp, -40

DBG li      $v0,0xffffffff

DBG li      $v1,0

    /* Align the destination if necessary */

    and     $a4,$a0,3

    beqz    $a4,aligned



    /* as long as there is at least one pixel */

    beqz    $a2,done



    lw      $t0,($a1)

    daddu   $a0,2

    daddu   $a1,4

    beqz    $t0,1f

    lhu     $a7,-2($a0)

    pixel   $a7,$t0,$a5,0

    sh      $a5,-2($a0)

1:  subu    $a2,1



aligned:

    /* Check to see if its worth unrolling the loop */

    subu    $a2,4

    bltz    $a2,tail



    /* Process 4 pixels at a time */

fourpixels:

    /* 1st pair of pixels */

    lw      $t0,0($a1)

    lw      $t1,4($a1)

    daddu   $a0,8

    daddu   $a1,16



    /* both are zero, skip this pair */

    or      $a7,$t0,$t1

    beqz    $a7,1f



    /* load the destination */

    lw      $a7,-8($a0)



    pixel   $a7,$t0,$a5,0

    andi    $a5, 0xFFFF

    pixel   $a7,$t1,$a5,16

    sw      $a5,-8($a0)



1:

    /* 2nd pair of pixels */

    lw      $t0,-8($a1)

    lw      $t1,-4($a1)



    /* both are zero, skip this pair */

    or      $a7,$t0,$t1

    beqz    $a7,1f



    /* load the destination */

    lw      $a7,-4($a0)



    pixel   $a7,$t0,$a5,0

    andi    $a5, 0xFFFF

    pixel   $a7,$t1,$a5,16

    sw      $a5,-4($a0)



1:  subu    $a2,4

    bgtz    $a2,fourpixels



tail:

    /* the pixel count underran, restore it now */

    addu    $a2,4



    /* handle the last 0..3 pixels */

    beqz    $a2,done

onepixel:

    lw      $t0,($a1)

    daddu   $a0,2

    daddu   $a1,4

    beqz    $t0,1f

    lhu     $a7,-2($a0)

    pixel   $a7,$t0,$a5,0

    sh      $a5,-2($a0)

1:  subu    $a2,1

    bnez    $a2,onepixel

done:

DBG .set    push

DBG .set    mips32r2

DBG rdhwr   $a0,$3

DBG mul     $v0,$a0

DBG mul     $v1,$a0

DBG .set    pop

    daddiu  $sp, $sp, 40

    j       $ra

    .end    scanline_t32cb16blend_mips64