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Commit 6316be2e authored by Peter Collingbourne's avatar Peter Collingbourne Committed by Gerrit Code Review
Browse files

Merge "libpixelflinger: Avoid using x18 register in blend implementation."

parents 2dd1ec6d 60143111

libpixelflinger/arch-arm64/t32cb16blend.S

+13 −13
Original line number Diff line number Diff line
@@ -49,7 +49,7 @@ 
 *      upper 16-bit pixels in DREG into FB

 *

 *

 * clobbered: w6, w7, w16, w17, w18

 * clobbered: w6, w7, w15, w16, w17

 *

 */
@@ -73,8 +73,8 @@ 
    add     w16, w6, w16, lsr #8

    cmp     w16, #0x1F

    orr     w17, \FB, #(0x1F<<(16 + 11))

    orr     w18, \FB, w16, lsl #(16 + 11)

    csel    \FB, w17, w18, hi

    orr     w15, \FB, w16, lsl #(16 + 11)

    csel    \FB, w17, w15, hi

        // green

        and     w6, \DREG, #(0x3F<<(16 + 5))

        lsr     w17,w6,#(16+5)
@@ -84,8 +84,8 @@ 
        add     w6, w16, w6, lsr #8

        cmp     w6, #0x3F

        orr     w17, \FB, #(0x3F<<(16 + 5))

        orr     w18, \FB, w6, lsl #(16 + 5)

        csel    \FB, w17, w18, hi

        orr     w15, \FB, w6, lsl #(16 + 5)

        csel    \FB, w17, w15, hi

            // blue

            and     w16, \DREG, #(0x1F << 16)

            lsr     w17,w16,#16
@@ -95,8 +95,8 @@ 
            add     w16, w6, w16, lsr #8

            cmp     w16, #0x1F

            orr     w17, \FB, #(0x1F << 16)

            orr     w18, \FB, w16, lsl #16

            csel    \FB, w17, w18, hi

            orr     w15, \FB, w16, lsl #16

            csel    \FB, w17, w15, hi



.else //Blending even pixel present in bottom 16 bits of DREG register
@@ -109,8 +109,8 @@ 
    add     w16, w6, w16, lsr #8

    cmp     w16, #0x1F

    mov     w17, #(0x1F<<11)

    lsl     w18, w16, #11

    csel    \FB, w17, w18, hi

    lsl     w15, w16, #11

    csel    \FB, w17, w15, hi





        // green
@@ -121,8 +121,8 @@ 
        add     w6, w16, w6, lsr #(5+8)

        cmp     w6, #0x3F

        orr     w17, \FB, #(0x3F<<5)

        orr     w18, \FB, w6, lsl #5

        csel    \FB, w17, w18, hi

        orr     w15, \FB, w6, lsl #5

        csel    \FB, w17, w15, hi



            // blue

            and     w16, \DREG, #0x1F
@@ -132,8 +132,8 @@ 
            add     w16, w6, w16, lsr #8

            cmp     w16, #0x1F

            orr     w17, \FB, #0x1F

            orr     w18, \FB, w16

            csel    \FB, w17, w18, hi

            orr     w15, \FB, w16

            csel    \FB, w17, w15, hi



.endif // End of blending even pixel