am 3b9255e3: am e57d8918: merge from open-source master

This commit is contained in:
The Android Open Source Project 2010-05-03 16:37:03 -07:00 committed by Android Git Automerger
commit 6c36cd5c9e
12 changed files with 421 additions and 2 deletions

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@ -171,6 +171,12 @@ void help()
"\n"
" - If it is \"system\" or \"data\", only the corresponding partition\n"
" is updated.\n"
"\n"
"environmental variables:\n"
" ADB_TRACE - Print debug information. A comma separated list of the following values\n"
" 1 or all, adb, sockets, packets, rwx, usb, sync, sysdeps, transport, jdwp\n"
" ANDROID_SERIAL - The serial number to connect to. -s takes priority over this if given.\n"
" ANDROID_LOG_TAGS - When used with the logcat option, only these debug tags are printed.\n"
);
}

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@ -40,7 +40,13 @@ PIXELFLINGER_SRC_FILES:= \
buffer.cpp
ifeq ($(TARGET_ARCH),arm)
ifeq ($(TARGET_ARCH_VERSION),armv7-a)
PIXELFLINGER_SRC_FILES += col32cb16blend_neon.S
PIXELFLINGER_SRC_FILES += col32cb16blend.S
else
PIXELFLINGER_SRC_FILES += t32cb16blend.S
PIXELFLINGER_SRC_FILES += col32cb16blend.S
endif
endif
ifeq ($(TARGET_ARCH),arm)

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@ -424,5 +424,15 @@ void ARMAssembler::SMLAW(int cc, int y,
*mPC++ = (cc<<28) | 0x1200080 | (Rd<<16) | (Rn<<12) | (Rs<<8) | (y<<4) | Rm;
}
#if 0
#pragma mark -
#pragma mark Byte/half word extract and extend (ARMv6+ only)...
#endif
void ARMAssembler::UXTB16(int cc, int Rd, int Rm, int rotate)
{
*mPC++ = (cc<<28) | 0x6CF0070 | (Rd<<12) | ((rotate >> 3) << 10) | Rm;
}
}; // namespace android

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@ -123,6 +123,7 @@ public:
int RdHi, int RdLo, int Rs, int Rm);
virtual void SMLAW(int cc, int y,
int Rd, int Rm, int Rs, int Rn);
virtual void UXTB16(int cc, int Rd, int Rm, int rotate);
private:
ARMAssembler(const ARMAssembler& rhs);

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@ -203,6 +203,9 @@ public:
virtual void SMLAW(int cc, int y,
int Rd, int Rm, int Rs, int Rn) = 0;
// byte/half word extract...
virtual void UXTB16(int cc, int Rd, int Rm, int rotate) = 0;
// -----------------------------------------------------------------------
// convenience...
// -----------------------------------------------------------------------

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@ -195,6 +195,9 @@ void ARMAssemblerProxy::SMLAW(int cc, int y, int Rd, int Rm, int Rs, int Rn) {
mTarget->SMLAW(cc, y, Rd, Rm, Rs, Rn);
}
void ARMAssemblerProxy::UXTB16(int cc, int Rd, int Rm, int rotate) {
mTarget->UXTB16(cc, Rd, Rm, rotate);
}
}; // namespace android

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@ -114,6 +114,8 @@ public:
virtual void SMLAW(int cc, int y,
int Rd, int Rm, int Rs, int Rn);
virtual void UXTB16(int cc, int Rd, int Rm, int rotate);
private:
ARMAssemblerInterface* mTarget;
};

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@ -80,6 +80,7 @@
* f - 1st fp operand (register) (bits 12-14)
* g - 2nd fp operand (register) (bits 16-18)
* h - 3rd fp operand (register/immediate) (bits 0-4)
* j - xtb rotate literal (bits 10-11)
* b - branch address
* t - thumb branch address (bits 24, 0-23)
* k - breakpoint comment (bits 0-3, 8-19)
@ -122,6 +123,7 @@ static const struct arm32_insn arm32_i[] = {
{ 0x0fe000f0, 0x00c00090, "smull", "Sdnms" },
{ 0x0fe000f0, 0x00a00090, "umlal", "Sdnms" },
{ 0x0fe000f0, 0x00e00090, "smlal", "Sdnms" },
{ 0x0fff03f0, 0x06cf0070, "uxtb16", "dmj" },
{ 0x0d700000, 0x04200000, "strt", "daW" },
{ 0x0d700000, 0x04300000, "ldrt", "daW" },
{ 0x0d700000, 0x04600000, "strbt", "daW" },
@ -276,7 +278,7 @@ static char const insn_fpaconstants[][8] = {
#define insn_condition(x) arm32_insn_conditions[(x >> 28) & 0x0f]
#define insn_blktrans(x) insn_block_transfers[(x >> 23) & 3]
#define insn_stkblktrans(x) insn_stack_block_transfers[(x >> 23) & 3]
#define insn_stkblktrans(x) insn_stack_block_transfers[(3*((x >> 20)&1))^((x >> 23)&3)]
#define op2_shift(x) op_shifts[(x >> 5) & 3]
#define insn_fparnd(x) insn_fpa_rounding[(x >> 5) & 0x03]
#define insn_fpaprec(x) insn_fpa_precision[(((x >> 18) & 2)|(x >> 7)) & 1]
@ -406,6 +408,10 @@ disasm(const disasm_interface_t *di, u_int loc, int altfmt)
else
di->di_printf("f%d", insn & 7);
break;
/* j - xtb rotate literal (bits 10-11) */
case 'j':
di->di_printf("ror #%d", ((insn >> 10) & 3) << 3);
break;
/* b - branch address */
case 'b':
branch = ((insn << 2) & 0x03ffffff);

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@ -25,6 +25,9 @@
#include "codeflinger/GGLAssembler.h"
#ifdef __arm__
#include <machine/cpu-features.h>
#endif
namespace android {
@ -567,7 +570,7 @@ void GGLAssembler::build_textures( fragment_parts_t& parts,
RSB(GE, 0, height, height, imm(0));
MUL(AL, 0, height, stride, height);
} else {
// u has not been CLAMPed yet
// v has not been CLAMPed yet
CMP(AL, height, reg_imm(v, ASR, FRAC_BITS));
MOV(LE, 0, v, reg_imm(height, LSL, FRAC_BITS));
MOV(LE, 0, height, imm(0));
@ -868,6 +871,106 @@ void GGLAssembler::filter24(
load(txPtr, texel, 0);
}
#if __ARM_ARCH__ >= 6
// ARMv6 version, using UXTB16, and scheduled for Cortex-A8 pipeline
void GGLAssembler::filter32(
const fragment_parts_t& parts,
pixel_t& texel, const texture_unit_t& tmu,
int U, int V, pointer_t& txPtr,
int FRAC_BITS)
{
const int adjust = FRAC_BITS*2 - 8;
const int round = 0;
const int prescale = 16 - adjust;
Scratch scratches(registerFile());
int pixel= scratches.obtain();
int dh = scratches.obtain();
int u = scratches.obtain();
int k = scratches.obtain();
int temp = scratches.obtain();
int dl = scratches.obtain();
int offsetrt = scratches.obtain();
int offsetlb = scratches.obtain();
int pixellb = offsetlb;
// RB -> U * V
CONTEXT_LOAD(offsetrt, generated_vars.rt);
CONTEXT_LOAD(offsetlb, generated_vars.lb);
if(!round) {
MOV(AL, 0, U, reg_imm(U, LSL, prescale));
}
ADD(AL, 0, u, offsetrt, offsetlb);
LDR(AL, pixel, txPtr.reg, reg_scale_pre(u));
if (round) {
SMULBB(AL, u, U, V);
RSB(AL, 0, U, U, imm(1<<FRAC_BITS));
} else {
SMULWB(AL, u, U, V);
RSB(AL, 0, U, U, imm(1<<(FRAC_BITS+prescale)));
}
UXTB16(AL, temp, pixel, 0);
if (round) {
ADD(AL, 0, u, u, imm(1<<(adjust-1)));
MOV(AL, 0, u, reg_imm(u, LSR, adjust));
}
LDR(AL, pixellb, txPtr.reg, reg_scale_pre(offsetlb));
MUL(AL, 0, dh, temp, u);
UXTB16(AL, temp, pixel, 8);
MUL(AL, 0, dl, temp, u);
RSB(AL, 0, k, u, imm(0x100));
// LB -> (1-U) * V
if (round) {
SMULBB(AL, u, U, V);
} else {
SMULWB(AL, u, U, V);
}
UXTB16(AL, temp, pixellb, 0);
if (round) {
ADD(AL, 0, u, u, imm(1<<(adjust-1)));
MOV(AL, 0, u, reg_imm(u, LSR, adjust));
}
MLA(AL, 0, dh, temp, u, dh);
UXTB16(AL, temp, pixellb, 8);
MLA(AL, 0, dl, temp, u, dl);
SUB(AL, 0, k, k, u);
// LT -> (1-U)*(1-V)
RSB(AL, 0, V, V, imm(1<<FRAC_BITS));
LDR(AL, pixel, txPtr.reg);
if (round) {
SMULBB(AL, u, U, V);
} else {
SMULWB(AL, u, U, V);
}
UXTB16(AL, temp, pixel, 0);
if (round) {
ADD(AL, 0, u, u, imm(1<<(adjust-1)));
MOV(AL, 0, u, reg_imm(u, LSR, adjust));
}
MLA(AL, 0, dh, temp, u, dh);
UXTB16(AL, temp, pixel, 8);
MLA(AL, 0, dl, temp, u, dl);
// RT -> U*(1-V)
LDR(AL, pixel, txPtr.reg, reg_scale_pre(offsetrt));
SUB(AL, 0, u, k, u);
UXTB16(AL, temp, pixel, 0);
MLA(AL, 0, dh, temp, u, dh);
UXTB16(AL, temp, pixel, 8);
MLA(AL, 0, dl, temp, u, dl);
UXTB16(AL, dh, dh, 8);
UXTB16(AL, dl, dl, 8);
ORR(AL, 0, texel.reg, dh, reg_imm(dl, LSL, 8));
}
#else
void GGLAssembler::filter32(
const fragment_parts_t& parts,
pixel_t& texel, const texture_unit_t& tmu,
@ -955,6 +1058,7 @@ void GGLAssembler::filter32(
AND(AL, 0, dl, dl, reg_imm(mask, LSL, 8));
ORR(AL, 0, texel.reg, dh, dl);
}
#endif
void GGLAssembler::build_texture_environment(
component_t& fragment,

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@ -0,0 +1,78 @@
/* libs/pixelflinger/col32cb16blend.S
**
** (C) COPYRIGHT 2009 ARM Limited.
**
** 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.
**
*/
.text
.align
.global scanline_col32cb16blend_arm
//
// 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.
//
// r0 = destination buffer pointer
// r1 = color value
// r2 = count
scanline_col32cb16blend_arm:
push {r4-r10, lr} // stack ARM regs
mov r5, r1, lsr #24 // shift down alpha
mov r9, #0xff // create mask
add r5, r5, r5, lsr #7 // add in top bit
rsb r5, r5, #256 // invert alpha
and r10, r1, #0xff // extract red
and r12, r9, r1, lsr #8 // extract green
and r4, r9, r1, lsr #16 // extract blue
mov r10, r10, lsl #5 // prescale red
mov r12, r12, lsl #6 // prescale green
mov r4, r4, lsl #5 // prescale blue
mov r9, r9, lsr #2 // create dest green mask
1:
ldrh r8, [r0] // load dest pixel
subs r2, r2, #1 // decrement loop counter
mov r6, r8, lsr #11 // extract dest red
and r7, r9, r8, lsr #5 // extract dest green
and r8, r8, #0x1f // extract dest blue
smlabb r6, r6, r5, r10 // dest red * alpha + src red
smlabb r7, r7, r5, r12 // dest green * alpha + src green
smlabb r8, r8, r5, r4 // dest blue * alpha + src blue
mov r6, r6, lsr #8 // shift down red
mov r7, r7, lsr #8 // shift down green
mov r6, r6, lsl #11 // shift red into 565
orr r6, r7, lsl #5 // shift green into 565
orr r6, r8, lsr #8 // shift blue into 565
strh r6, [r0], #2 // store pixel to dest, update ptr
bne 1b // if count != 0, loop
pop {r4-r10, pc} // return

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@ -0,0 +1,153 @@
/* libs/pixelflinger/col32cb16blend_neon.S
**
** (C) COPYRIGHT 2009 ARM Limited.
**
** 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.
**
*/
.text
.align
.global scanline_col32cb16blend_neon
//
// 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.
//
// The NEON implementation processes 16 pixels per iteration. The remaining 0 - 15
// pixels are processed in ARM code.
//
// r0 = destination buffer pointer
// r1 = color pointer
// r2 = count
scanline_col32cb16blend_neon:
push {r4-r11, lr} // stack ARM regs
vmov.u16 q15, #256 // create alpha constant
movs r3, r2, lsr #4 // calc. sixteens iterations
vmov.u16 q14, #0x1f // create blue mask
beq 2f // if r3 == 0, branch to singles
vld4.8 {d0[], d2[], d4[], d6[]}, [r1] // load color into four registers
// split and duplicate them, such that
// d0 = 8 equal red values
// d2 = 8 equal green values
// d4 = 8 equal blue values
// d6 = 8 equal alpha values
vshll.u8 q0, d0, #5 // shift up red and widen
vshll.u8 q1, d2, #6 // shift up green and widen
vshll.u8 q2, d4, #5 // shift up blue and widen
vshr.u8 d7, d6, #7 // extract top bit of alpha
vaddl.u8 q3, d6, d7 // add top bit into alpha
vsub.u16 q3, q15, q3 // invert alpha
1:
// This loop processes 16 pixels per iteration. In the comments, references to
// the first eight pixels are suffixed with "0" (red0, green0, blue0),
// the second eight are suffixed "1".
// q8 = dst red0
// q9 = dst green0
// q10 = dst blue0
// q13 = dst red1
// q12 = dst green1
// q11 = dst blue1
vld1.16 {d20, d21, d22, d23}, [r0] // load 16 dest pixels
vshr.u16 q8, q10, #11 // shift dst red0 to low 5 bits
pld [r0, #63] // preload next dest pixels
vshl.u16 q9, q10, #5 // shift dst green0 to top 6 bits
vand q10, q10, q14 // extract dst blue0
vshr.u16 q9, q9, #10 // shift dst green0 to low 6 bits
vmul.u16 q8, q8, q3 // multiply dst red0 by src alpha
vshl.u16 q12, q11, #5 // shift dst green1 to top 6 bits
vmul.u16 q9, q9, q3 // multiply dst green0 by src alpha
vshr.u16 q13, q11, #11 // shift dst red1 to low 5 bits
vmul.u16 q10, q10, q3 // multiply dst blue0 by src alpha
vshr.u16 q12, q12, #10 // shift dst green1 to low 6 bits
vand q11, q11, q14 // extract dst blue1
vadd.u16 q8, q8, q0 // add src red to dst red0
vmul.u16 q13, q13, q3 // multiply dst red1 by src alpha
vadd.u16 q9, q9, q1 // add src green to dst green0
vmul.u16 q12, q12, q3 // multiply dst green1 by src alpha
vadd.u16 q10, q10, q2 // add src blue to dst blue0
vmul.u16 q11, q11, q3 // multiply dst blue1 by src alpha
vshr.u16 q8, q8, #8 // shift down red0
vadd.u16 q13, q13, q0 // add src red to dst red1
vshr.u16 q9, q9, #8 // shift down green0
vadd.u16 q12, q12, q1 // add src green to dst green1
vshr.u16 q10, q10, #8 // shift down blue0
vadd.u16 q11, q11, q2 // add src blue to dst blue1
vsli.u16 q10, q9, #5 // shift & insert green0 into blue0
vshr.u16 q13, q13, #8 // shift down red1
vsli.u16 q10, q8, #11 // shift & insert red0 into blue0
vshr.u16 q12, q12, #8 // shift down green1
vshr.u16 q11, q11, #8 // shift down blue1
subs r3, r3, #1 // decrement loop counter
vsli.u16 q11, q12, #5 // shift & insert green1 into blue1
vsli.u16 q11, q13, #11 // shift & insert red1 into blue1
vst1.16 {d20, d21, d22, d23}, [r0]! // write 16 pixels back to dst
bne 1b // if count != 0, loop
2:
ands r3, r2, #15 // calc. single iterations
beq 4f // if r3 == 0, exit
ldr r4, [r1] // load source color
mov r5, r4, lsr #24 // shift down alpha
add r5, r5, r5, lsr #7 // add in top bit
rsb r5, r5, #256 // invert alpha
and r11, r4, #0xff // extract red
ubfx r12, r4, #8, #8 // extract green
ubfx r4, r4, #16, #8 // extract blue
mov r11, r11, lsl #5 // prescale red
mov r12, r12, lsl #6 // prescale green
mov r4, r4, lsl #5 // prescale blue
3:
ldrh r8, [r0] // load dest pixel
subs r3, r3, #1 // decrement loop counter
mov r6, r8, lsr #11 // extract dest red
ubfx r7, r8, #5, #6 // extract dest green
and r8, r8, #0x1f // extract dest blue
smlabb r6, r6, r5, r11 // dest red * alpha + src red
smlabb r7, r7, r5, r12 // dest green * alpha + src green
smlabb r8, r8, r5, r4 // dest blue * alpha + src blue
mov r6, r6, lsr #8 // shift down red
mov r7, r7, lsr #8 // shift down green
mov r6, r6, lsl #11 // shift red into 565
orr r6, r7, lsl #5 // shift green into 565
orr r6, r8, lsr #8 // shift blue into 565
strh r6, [r0], #2 // store pixel to dest, update ptr
bne 3b // if count != 0, loop
4:
pop {r4-r11, pc} // return

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@ -80,6 +80,7 @@ static void scanline_perspective(context_t* c);
static void scanline_perspective_single(context_t* c);
static void scanline_t32cb16blend(context_t* c);
static void scanline_t32cb16(context_t* c);
static void scanline_col32cb16blend(context_t* c);
static void scanline_memcpy(context_t* c);
static void scanline_memset8(context_t* c);
static void scanline_memset16(context_t* c);
@ -93,6 +94,8 @@ static void rect_memcpy(context_t* c, size_t yc);
extern "C" void scanline_t32cb16blend_arm(uint16_t*, uint32_t*, size_t);
extern "C" void scanline_t32cb16_arm(uint16_t *dst, uint32_t *src, size_t ct);
extern "C" void scanline_col32cb16blend_neon(uint16_t *dst, uint32_t *col, size_t ct);
extern "C" void scanline_col32cb16blend_arm(uint16_t *dst, uint32_t col, size_t ct);
// ----------------------------------------------------------------------------
@ -111,6 +114,9 @@ static shortcut_t shortcuts[] = {
{ { { 0x03010104, 0x00000077, { 0x00000A01, 0x00000000 } },
{ 0xFFFFFFFF, 0xFFFFFFFF, { 0xFFFFFFFF, 0x0000003F } } },
"565 fb, 8888 tx", scanline_t32cb16, init_y_noop },
{ { { 0x03515104, 0x00000077, { 0x00000000, 0x00000000 } },
{ 0xFFFFFFFF, 0xFFFFFFFF, { 0xFFFFFFFF, 0xFFFFFFFF } } },
"565 fb, 8888 fixed color", scanline_col32cb16blend, init_y_packed },
{ { { 0x00000000, 0x00000000, { 0x00000000, 0x00000000 } },
{ 0x00000000, 0x00000007, { 0x00000000, 0x00000000 } } },
"(nop) alpha test", scanline_noop, init_y_noop },
@ -943,6 +949,8 @@ void init_y_packed(context_t* c, int32_t y0)
uint8_t f = c->state.buffers.color.format;
c->packed = ggl_pack_color(c, f,
c->shade.r0, c->shade.g0, c->shade.b0, c->shade.a0);
c->packed8888 = ggl_pack_color(c, GGL_PIXEL_FORMAT_RGBA_8888,
c->shade.r0, c->shade.g0, c->shade.b0, c->shade.a0);
c->iterators.y = y0;
c->step_y = step_y__nop;
// choose the rectangle blitter
@ -1253,6 +1261,45 @@ finish:
// ----------------------------------------------------------------------------
void scanline_col32cb16blend(context_t* c)
{
int32_t x = c->iterators.xl;
size_t ct = c->iterators.xr - x;
int32_t y = c->iterators.y;
surface_t* cb = &(c->state.buffers.color);
union {
uint16_t* dst;
uint32_t* dst32;
};
dst = reinterpret_cast<uint16_t*>(cb->data) + (x+(cb->stride*y));
#if ((ANDROID_CODEGEN >= ANDROID_CODEGEN_ASM) && defined(__arm__))
#if defined(__ARM_HAVE_NEON) && BYTE_ORDER == LITTLE_ENDIAN
scanline_col32cb16blend_neon(dst, &(c->packed8888), ct);
#else // defined(__ARM_HAVE_NEON) && BYTE_ORDER == LITTLE_ENDIAN
scanline_col32cb16blend_arm(dst, GGL_RGBA_TO_HOST(c->packed8888), ct);
#endif // defined(__ARM_HAVE_NEON) && BYTE_ORDER == LITTLE_ENDIAN
#else
uint32_t s = GGL_RGBA_TO_HOST(c->packed8888);
int sA = (s>>24);
int f = 0x100 - (sA + (sA>>7));
while (ct--) {
uint16_t d = *dst;
int dR = (d>>11)&0x1f;
int dG = (d>>5)&0x3f;
int dB = (d)&0x1f;
int sR = (s >> ( 3))&0x1F;
int sG = (s >> ( 8+2))&0x3F;
int sB = (s >> (16+3))&0x1F;
sR += (f*dR)>>8;
sG += (f*dG)>>8;
sB += (f*dB)>>8;
*dst++ = uint16_t((sR<<11)|(sG<<5)|sB);
}
#endif
}
void scanline_t32cb16(context_t* c)
{
int32_t x = c->iterators.xl;