Remove libpixelflinger (cd75355c) · Commits · e / os / android_system_core

libpixelflinger/Android.bp

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		cc_defaults {
		name: "pixelflinger_defaults",

		cflags: [
		"-fstrict-aliasing",
		"-fomit-frame-pointer",
		"-Wall",
		"-Werror",
		"-Wno-unused-function",
		],
		export_include_dirs: ["include"],
		header_libs: ["libbase_headers"],
		shared_libs: [
		"libcutils",
		"liblog",
		"libutils",
		],

		arch: {
		arm: {
		neon: {
		cflags: ["-D__ARM_HAVE_NEON"],
		},
		},
		},
		}

		cc_library_static {
		name: "libpixelflinger-arm",
		defaults: ["pixelflinger_defaults"],

		srcs: [
		"fixed.cpp",
		"picker.cpp",
		"pixelflinger.cpp",
		"trap.cpp",
		"scanline.cpp",
		],

		arch: {
		arm: {
		instruction_set: "arm",
		},
		},
		}

		// For the tests to use
		cc_library_headers {
		name: "libpixelflinger_internal",
		export_include_dirs: [
		"include",
		".",
		],
		}

		cc_library {
		name: "libpixelflinger",
		defaults: ["pixelflinger_defaults"],

		srcs: [
		"codeflinger/ARMAssemblerInterface.cpp",
		"codeflinger/ARMAssemblerProxy.cpp",
		"codeflinger/CodeCache.cpp",
		"codeflinger/GGLAssembler.cpp",
		"codeflinger/load_store.cpp",
		"codeflinger/blending.cpp",
		"codeflinger/texturing.cpp",
		"format.cpp",
		"clear.cpp",
		"raster.cpp",
		"buffer.cpp",
		],
		whole_static_libs: ["libpixelflinger-arm"],

		arch: {
		arm: {
		srcs: [
		"codeflinger/ARMAssembler.cpp",
		"codeflinger/disassem.c",
		"col32cb16blend.S",
		"t32cb16blend.S",
		],

		neon: {
		srcs: ["col32cb16blend_neon.S"],
		},
		},
		arm64: {
		srcs: [
		"codeflinger/Arm64Assembler.cpp",
		"codeflinger/Arm64Disassembler.cpp",
		"arch-arm64/col32cb16blend.S",
		"arch-arm64/t32cb16blend.S",
		],
		},
		mips: {
		mips32r6: {
		srcs: [
		"codeflinger/MIPSAssembler.cpp",
		"codeflinger/mips_disassem.c",
		"arch-mips/t32cb16blend.S",
		],
		},
		},
		mips64: {
		srcs: [
		"codeflinger/MIPSAssembler.cpp",
		"codeflinger/MIPS64Assembler.cpp",
		"codeflinger/mips64_disassem.c",
		"arch-mips64/col32cb16blend.S",
		"arch-mips64/t32cb16blend.S",
		],
		},
		},
		}

libpixelflinger/MODULE_LICENSE_APACHE2

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Empty file deleted.

libpixelflinger/NOTICE

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		Copyright (c) 2005-2008, 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.

		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.


		Apache License
		Version 2.0, January 2004
		http://www.apache.org/licenses/

		TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION

		1. Definitions.

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		form, that is based on (or derived from) the Work and for which the
		editorial revisions, annotations, elaborations, or other modifications
		represent, as a whole, an original work of authorship. For the purposes
		of this License, Derivative Works shall not include works that remain
		separable from, or merely link (or bind by name) to the interfaces of,
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		the original version of the Work and any modifications or additions
		to that Work or Derivative Works thereof, that is intentionally
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		on behalf of whom a Contribution has been received by Licensor and
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libpixelflinger/arch-arm64/col32cb16blend.S

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		/*
		* Copyright (C) 2013 The Android Open Source Project
		* All rights reserved.
		*
		* Redistribution and use in source and binary forms, with or without
		* modification, are permitted provided that the following conditions
		* are met:
		* * Redistributions of source code must retain the above copyright
		* notice, this list of conditions and the following disclaimer.
		* * Redistributions in binary form must reproduce the above copyright
		* notice, this list of conditions and the following disclaimer in
		* the documentation and/or other materials provided with the
		* distribution.
		*
		* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
		* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
		* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
		* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
		* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
		* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
		* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
		* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
		* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
		* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
		* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
		* SUCH DAMAGE.
		*/
		.text
		.balign 0

		.global scanline_col32cb16blend_arm64

		//
		// This function alpha blends a fixed color into a destination scanline, using
		// the formula:
		//
		// d = s + (((a + (a >> 7)) * d) >> 8)
		//
		// where d is the destination pixel,
		// s is the source color,
		// a is the alpha channel of the source color.
		//

		// x0 = destination buffer pointer
		// w1 = color value
		// w2 = count


		scanline_col32cb16blend_arm64:

		lsr w5, w1, #24 // shift down alpha
		mov w9, #0xff // create mask
		add w5, w5, w5, lsr #7 // add in top bit
		mov w4, #256 // create #0x100
		sub w5, w4, w5 // invert alpha
		and w10, w1, #0xff // extract red
		and w12, w9, w1, lsr #8 // extract green
		and w4, w9, w1, lsr #16 // extract blue
		lsl w10, w10, #5 // prescale red
		lsl w12, w12, #6 // prescale green
		lsl w4, w4, #5 // prescale blue
		lsr w9, w9, #2 // create dest green mask

		1:
		ldrh w8, [x0] // load dest pixel
		subs w2, w2, #1 // decrement loop counter
		lsr w6, w8, #11 // extract dest red
		and w7, w9, w8, lsr #5 // extract dest green
		and w8, w8, #0x1f // extract dest blue

		madd w6, w6, w5, w10 // dest red * alpha + src red
		madd w7, w7, w5, w12 // dest green * alpha + src green
		madd w8, w8, w5, w4 // dest blue * alpha + src blue

		lsr w6, w6, #8 // shift down red
		lsr w7, w7, #8 // shift down green
		lsl w6, w6, #11 // shift red into 565
		orr w6, w6, w7, lsl #5 // shift green into 565
		orr w6, w6, w8, lsr #8 // shift blue into 565

		strh w6, [x0], #2 // store pixel to dest, update ptr
		b.ne 1b // if count != 0, loop

		ret

libpixelflinger/arch-arm64/t32cb16blend.S

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		/*
		* Copyright (C) 2013 The Android Open Source Project
		* All rights reserved.
		*
		* Redistribution and use in source and binary forms, with or without
		* modification, are permitted provided that the following conditions
		* are met:
		* * Redistributions of source code must retain the above copyright
		* notice, this list of conditions and the following disclaimer.
		* * Redistributions in binary form must reproduce the above copyright
		* notice, this list of conditions and the following disclaimer in
		* the documentation and/or other materials provided with the
		* distribution.
		*
		* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
		* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
		* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
		* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
		* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
		* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
		* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
		* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
		* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
		* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
		* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
		* SUCH DAMAGE.
		*/
		.text
		.balign 0

		.global scanline_t32cb16blend_arm64

		/*
		* .macro pixel
		*
		* This macro alpha blends RGB565 original pixel located in either
		* top or bottom 16 bits of DREG register with SRC 32 bit pixel value
		* and writes the result to FB register
		*
		* \DREG is a 32-bit register containing two original destination RGB565
		* pixels, with the even one in the low-16 bits, and the odd one in the
		* high 16 bits.
		*
		* \SRC is a 32-bit 0xAABBGGRR pixel value, with pre-multiplied colors.
		*
		* \FB is a target register that will contain the blended pixel values.
		*
		* \ODD is either 0 or 1 and indicates if we're blending the lower or
		* upper 16-bit pixels in DREG into FB
		*
		*
		* clobbered: w6, w7, w15, w16, w17
		*
		*/

		.macro pixel, DREG, SRC, FB, ODD

		// SRC = 0xAABBGGRR
		lsr w7, \SRC, #24 // sA
		add w7, w7, w7, lsr #7 // sA + (sA >> 7)
		mov w6, #0x100
		sub w7, w6, w7 // sA = 0x100 - (sA+(sA>>7))

		1:

		.if \ODD //Blending odd pixel present in top 16 bits of DREG register

		// red
		lsr w16, \DREG, #(16 + 11)
		mul w16, w7, w16
		lsr w6, \SRC, #3
		and w6, w6, #0x1F
		add w16, w6, w16, lsr #8
		cmp w16, #0x1F
		orr w17, \FB, #(0x1F<<(16 + 11))
		orr w15, \FB, w16, lsl #(16 + 11)
		csel \FB, w17, w15, hi
		// green
		and w6, \DREG, #(0x3F<<(16 + 5))
		lsr w17,w6,#(16+5)
		mul w6, w7, w17
		lsr w16, \SRC, #(8+2)
		and w16, w16, #0x3F
		add w6, w16, w6, lsr #8
		cmp w6, #0x3F
		orr w17, \FB, #(0x3F<<(16 + 5))
		orr w15, \FB, w6, lsl #(16 + 5)
		csel \FB, w17, w15, hi
		// blue
		and w16, \DREG, #(0x1F << 16)
		lsr w17,w16,#16
		mul w16, w7, w17
		lsr w6, \SRC, #(8+8+3)
		and w6, w6, #0x1F
		add w16, w6, w16, lsr #8
		cmp w16, #0x1F
		orr w17, \FB, #(0x1F << 16)
		orr w15, \FB, w16, lsl #16
		csel \FB, w17, w15, hi

		.else //Blending even pixel present in bottom 16 bits of DREG register

		// red
		lsr w16, \DREG, #11
		and w16, w16, #0x1F
		mul w16, w7, w16
		lsr w6, \SRC, #3
		and w6, w6, #0x1F
		add w16, w6, w16, lsr #8
		cmp w16, #0x1F
		mov w17, #(0x1F<<11)
		lsl w15, w16, #11
		csel \FB, w17, w15, hi


		// green
		and w6, \DREG, #(0x3F<<5)
		mul w6, w7, w6
		lsr w16, \SRC, #(8+2)
		and w16, w16, #0x3F
		add w6, w16, w6, lsr #(5+8)
		cmp w6, #0x3F
		orr w17, \FB, #(0x3F<<5)
		orr w15, \FB, w6, lsl #5
		csel \FB, w17, w15, hi

		// blue
		and w16, \DREG, #0x1F
		mul w16, w7, w16
		lsr w6, \SRC, #(8+8+3)
		and w6, w6, #0x1F
		add w16, w6, w16, lsr #8
		cmp w16, #0x1F
		orr w17, \FB, #0x1F
		orr w15, \FB, w16
		csel \FB, w17, w15, hi

		.endif // End of blending even pixel

		.endm // End of pixel macro


		// x0: dst ptr
		// x1: src ptr
		// w2: count
		// w3: d
		// w4: s0
		// w5: s1
		// w6: pixel
		// w7: pixel
		// w8: free
		// w9: free
		// w10: free
		// w11: free
		// w12: scratch
		// w14: pixel

		scanline_t32cb16blend_arm64:

		// align DST to 32 bits
		tst x0, #0x3
		b.eq aligned
		subs w2, w2, #1
		b.lo return

		last:
		ldr w4, [x1], #4
		ldrh w3, [x0]
		pixel w3, w4, w12, 0
		strh w12, [x0], #2

		aligned:
		subs w2, w2, #2
		b.lo 9f

		// The main loop is unrolled twice and processes 4 pixels
		8:
		ldp w4,w5, [x1], #8
		add x0, x0, #4
		// it's all zero, skip this pixel
		orr w3, w4, w5
		cbz w3, 7f

		// load the destination
		ldr w3, [x0, #-4]
		// stream the destination
		pixel w3, w4, w12, 0
		pixel w3, w5, w12, 1
		str w12, [x0, #-4]

		// 2nd iteration of the loop, don't stream anything
		subs w2, w2, #2
		csel w4, w5, w4, lt
		blt 9f
		ldp w4,w5, [x1], #8
		add x0, x0, #4
		orr w3, w4, w5
		cbz w3, 7f
		ldr w3, [x0, #-4]
		pixel w3, w4, w12, 0
		pixel w3, w5, w12, 1
		str w12, [x0, #-4]

		7: subs w2, w2, #2
		bhs 8b
		mov w4, w5

		9: adds w2, w2, #1
		b.lo return
		b last

		return:
		ret