auto import from //depot/cupcake/@135843

1 files changed, 0 insertions, 1150 deletions

diff --git a/libpixelflinger/codeflinger/GGLAssembler.cpp b/libpixelflinger/codeflinger/GGLAssembler.cpp
deleted file mode 100644
index 1cd189c9f..000000000
--- a/libpixelflinger/codeflinger/GGLAssembler.cpp
+++ /dev/null
@@ -1,1150 +0,0 @@
-/* libs/pixelflinger/codeflinger/GGLAssembler.cpp
-**
-** Copyright 2006, 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.
-*/
-
-#define LOG_TAG "GGLAssembler"
-
-#include <assert.h>
-#include <stdint.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <sys/types.h>
-#include <cutils/log.h>
-
-#include "codeflinger/GGLAssembler.h"
-
-namespace android {
-
-// ----------------------------------------------------------------------------
-
-GGLAssembler::GGLAssembler(ARMAssemblerInterface* target)
-    : ARMAssemblerProxy(target), RegisterAllocator(), mOptLevel(7)
-{
-}
-
-GGLAssembler::~GGLAssembler()
-{
-}
-
-void GGLAssembler::prolog()
-{
-    ARMAssemblerProxy::prolog();
-}
-
-void GGLAssembler::epilog(uint32_t touched)
-{
-    ARMAssemblerProxy::epilog(touched);
-}
-
-void GGLAssembler::reset(int opt_level)
-{
-    ARMAssemblerProxy::reset();
-    RegisterAllocator::reset();
-    mOptLevel = opt_level;
-}
-
-// ---------------------------------------------------------------------------
-
-int GGLAssembler::scanline(const needs_t& needs, context_t const* c)
-{
-    int err = 0;
-    int opt_level = mOptLevel;
-    while (opt_level >= 0) {
-        reset(opt_level);
-        err = scanline_core(needs, c);
-        if (err == 0)
-            break;
-        opt_level--;
-    }
-    
-    // XXX: in theory, pcForLabel is not valid before generate()
-    uint32_t* fragment_start_pc = pcForLabel("fragment_loop");
-    uint32_t* fragment_end_pc = pcForLabel("epilog");
-    const int per_fragment_ops = int(fragment_end_pc - fragment_start_pc);
-    
-    // build a name for our pipeline
-    char name[64];    
-    sprintf(name,
-            "scanline__%08X:%08X_%08X_%08X [%3d ipp]",
-            needs.p, needs.n, needs.t[0], needs.t[1], per_fragment_ops);
-
-    if (err) {
-        LOGE("Error while generating ""%s""\n", name);
-        disassemble(name);
-        return -1;
-    }
-
-    return generate(name);
-}
-
-int GGLAssembler::scanline_core(const needs_t& needs, context_t const* c)
-{
-    int64_t duration = ggl_system_time();
-
-    mBlendFactorCached = 0;
-    mBlending = 0;
-    mMasking = 0;
-    mAA        = GGL_READ_NEEDS(P_AA, needs.p);
-    mDithering = GGL_READ_NEEDS(P_DITHER, needs.p);
-    mAlphaTest = GGL_READ_NEEDS(P_ALPHA_TEST, needs.p) + GGL_NEVER;
-    mDepthTest = GGL_READ_NEEDS(P_DEPTH_TEST, needs.p) + GGL_NEVER;
-    mFog       = GGL_READ_NEEDS(P_FOG, needs.p) != 0;
-    mSmooth    = GGL_READ_NEEDS(SHADE, needs.n) != 0;
-    mBuilderContext.needs = needs;
-    mBuilderContext.c = c;
-    mBuilderContext.Rctx = reserveReg(R0); // context always in R0
-    mCbFormat = c->formats[ GGL_READ_NEEDS(CB_FORMAT, needs.n) ];
-
-    // ------------------------------------------------------------------------
-
-    decodeLogicOpNeeds(needs);
-
-    decodeTMUNeeds(needs, c);
-
-    mBlendSrc  = ggl_needs_to_blendfactor(GGL_READ_NEEDS(BLEND_SRC, needs.n));
-    mBlendDst  = ggl_needs_to_blendfactor(GGL_READ_NEEDS(BLEND_DST, needs.n));
-    mBlendSrcA = ggl_needs_to_blendfactor(GGL_READ_NEEDS(BLEND_SRCA, needs.n));
-    mBlendDstA = ggl_needs_to_blendfactor(GGL_READ_NEEDS(BLEND_DSTA, needs.n));
-
-    if (!mCbFormat.c[GGLFormat::ALPHA].h) {
-        if ((mBlendSrc == GGL_ONE_MINUS_DST_ALPHA) ||
-            (mBlendSrc == GGL_DST_ALPHA)) {
-            mBlendSrc = GGL_ONE;
-        }
-        if ((mBlendSrcA == GGL_ONE_MINUS_DST_ALPHA) ||
-            (mBlendSrcA == GGL_DST_ALPHA)) {
-            mBlendSrcA = GGL_ONE;
-        }
-        if ((mBlendDst == GGL_ONE_MINUS_DST_ALPHA) ||
-            (mBlendDst == GGL_DST_ALPHA)) {
-            mBlendDst = GGL_ONE;
-        }
-        if ((mBlendDstA == GGL_ONE_MINUS_DST_ALPHA) ||
-            (mBlendDstA == GGL_DST_ALPHA)) {
-            mBlendDstA = GGL_ONE;
-        }
-    }
-
-    // if we need the framebuffer, read it now
-    const int blending =    blending_codes(mBlendSrc, mBlendDst) |
-                            blending_codes(mBlendSrcA, mBlendDstA);
-
-    // XXX: handle special cases, destination not modified...
-    if ((mBlendSrc==GGL_ZERO) && (mBlendSrcA==GGL_ZERO) &&
-        (mBlendDst==GGL_ONE) && (mBlendDstA==GGL_ONE)) {
-        // Destination unmodified (beware of logic ops)
-    } else if ((mBlendSrc==GGL_ZERO) && (mBlendSrcA==GGL_ZERO) &&
-        (mBlendDst==GGL_ZERO) && (mBlendDstA==GGL_ZERO)) {
-        // Destination is zero (beware of logic ops)
-    }
-    
-    int fbComponents = 0;
-    const int masking = GGL_READ_NEEDS(MASK_ARGB, needs.n);
-    for (int i=0 ; i<4 ; i++) {
-        const int mask = 1<<i;
-        component_info_t& info = mInfo[i];
-        int fs = i==GGLFormat::ALPHA ? mBlendSrcA : mBlendSrc;
-        int fd = i==GGLFormat::ALPHA ? mBlendDstA : mBlendDst;
-        if (fs==GGL_SRC_ALPHA_SATURATE && i==GGLFormat::ALPHA)
-            fs = GGL_ONE;
-        info.masked =   !!(masking & mask);
-        info.inDest =   !info.masked && mCbFormat.c[i].h && 
-                        ((mLogicOp & LOGIC_OP_SRC) || (!mLogicOp));
-        if (mCbFormat.components >= GGL_LUMINANCE &&
-                (i==GGLFormat::GREEN || i==GGLFormat::BLUE)) {
-            info.inDest = false;
-        }
-        info.needed =   (i==GGLFormat::ALPHA) && 
-                        (isAlphaSourceNeeded() || mAlphaTest != GGL_ALWAYS);
-        info.replaced = !!(mTextureMachine.replaced & mask);
-        info.iterated = (!info.replaced && (info.inDest || info.needed)); 
-        info.smooth =   mSmooth && info.iterated;
-        info.fog =      mFog && info.inDest && (i != GGLFormat::ALPHA);
-        info.blend =    (fs != int(GGL_ONE)) || (fd > int(GGL_ZERO));
-
-        mBlending |= (info.blend ? mask : 0);
-        mMasking |= (mCbFormat.c[i].h && info.masked) ? mask : 0;
-        fbComponents |= mCbFormat.c[i].h ? mask : 0;
-    }
-
-    mAllMasked = (mMasking == fbComponents);
-    if (mAllMasked) {
-        mDithering = 0;
-    }
-    
-    fragment_parts_t parts;
-
-    // ------------------------------------------------------------------------
-    prolog();
-    // ------------------------------------------------------------------------
-
-    build_scanline_prolog(parts, needs);
-
-    if (registerFile().status())
-        return registerFile().status();
-
-    // ------------------------------------------------------------------------
-    label("fragment_loop");
-    // ------------------------------------------------------------------------
-    {
-        Scratch regs(registerFile());
-
-        if (mDithering) {
-            // update the dither index.
-            MOV(AL, 0, parts.count.reg,
-                    reg_imm(parts.count.reg, ROR, GGL_DITHER_ORDER_SHIFT));
-            ADD(AL, 0, parts.count.reg, parts.count.reg,
-                    imm( 1 << (32 - GGL_DITHER_ORDER_SHIFT)));
-            MOV(AL, 0, parts.count.reg,
-                    reg_imm(parts.count.reg, ROR, 32 - GGL_DITHER_ORDER_SHIFT));
-        }
-
-        // XXX: could we do an early alpha-test here in some cases?
-        // It would probaly be used only with smooth-alpha and no texture
-        // (or no alpha component in the texture).
-
-        // Early z-test
-        if (mAlphaTest==GGL_ALWAYS) {
-            build_depth_test(parts, Z_TEST|Z_WRITE);
-        } else {
-            // we cannot do the z-write here, because
-            // it might be killed by the alpha-test later
-            build_depth_test(parts, Z_TEST);
-        }
-
-        { // texture coordinates
-            Scratch scratches(registerFile());
-
-            // texel generation
-            build_textures(parts, regs);
-        }        
-
-        if ((blending & (FACTOR_DST|BLEND_DST)) || 
-                (mMasking && !mAllMasked) ||
-                (mLogicOp & LOGIC_OP_DST)) 
-        {
-            // blending / logic_op / masking need the framebuffer
-            mDstPixel.setTo(regs.obtain(), &mCbFormat);
-
-            // load the framebuffer pixel
-            comment("fetch color-buffer");
-            load(parts.cbPtr, mDstPixel);
-        }
-
-        if (registerFile().status())
-            return registerFile().status();
-
-        pixel_t pixel;
-        int directTex = mTextureMachine.directTexture;
-        if (directTex | parts.packed) {
-            // note: we can't have both here
-            // iterated color or direct texture
-            pixel = directTex ? parts.texel[directTex-1] : parts.iterated;
-            pixel.flags &= ~CORRUPTIBLE;
-        } else {
-            if (mDithering) {
-                const int ctxtReg = mBuilderContext.Rctx;
-                const int mask = GGL_DITHER_SIZE-1;
-                parts.dither = reg_t(regs.obtain());
-                AND(AL, 0, parts.dither.reg, parts.count.reg, imm(mask));
-                ADD(AL, 0, parts.dither.reg, parts.dither.reg, ctxtReg);
-                LDRB(AL, parts.dither.reg, parts.dither.reg,
-                        immed12_pre(GGL_OFFSETOF(ditherMatrix)));
-            }
-        
-            // allocate a register for the resulting pixel
-            pixel.setTo(regs.obtain(), &mCbFormat, FIRST);
-
-            build_component(pixel, parts, GGLFormat::ALPHA,    regs);
-
-            if (mAlphaTest!=GGL_ALWAYS) {
-                // only handle the z-write part here. We know z-test
-                // was successful, as well as alpha-test.
-                build_depth_test(parts, Z_WRITE);
-            }
-
-            build_component(pixel, parts, GGLFormat::RED,      regs);
-            build_component(pixel, parts, GGLFormat::GREEN,    regs);
-            build_component(pixel, parts, GGLFormat::BLUE,     regs);
-
-            pixel.flags |= CORRUPTIBLE;
-        }
-
-        if (registerFile().status())
-            return registerFile().status();
-        
-        if (pixel.reg == -1) {
-            // be defensive here. if we're here it's probably
-            // that this whole fragment is a no-op.
-            pixel = mDstPixel;
-        }
-        
-        if (!mAllMasked) {
-            // logic operation
-            build_logic_op(pixel, regs);
-    
-            // masking
-            build_masking(pixel, regs); 
-    
-            comment("store");
-            store(parts.cbPtr, pixel, WRITE_BACK);
-        }
-    }
-
-    if (registerFile().status())
-        return registerFile().status();
-
-    // update the iterated color...
-    if (parts.reload != 3) {
-        build_smooth_shade(parts);
-    }
-
-    // update iterated z
-    build_iterate_z(parts);
-
-    // update iterated fog
-    build_iterate_f(parts);
-
-    SUB(AL, S, parts.count.reg, parts.count.reg, imm(1<<16));
-    B(PL, "fragment_loop");
-    label("epilog");
-    epilog(registerFile().touched());
-
-    if ((mAlphaTest!=GGL_ALWAYS) || (mDepthTest!=GGL_ALWAYS)) {
-        if (mDepthTest!=GGL_ALWAYS) {
-            label("discard_before_textures");
-            build_iterate_texture_coordinates(parts);
-        }
-        label("discard_after_textures");
-        build_smooth_shade(parts);
-        build_iterate_z(parts);
-        build_iterate_f(parts);
-        if (!mAllMasked) {
-            ADD(AL, 0, parts.cbPtr.reg, parts.cbPtr.reg, imm(parts.cbPtr.size>>3));
-        }
-        SUB(AL, S, parts.count.reg, parts.count.reg, imm(1<<16));
-        B(PL, "fragment_loop");
-        epilog(registerFile().touched());
-    }
-
-    return registerFile().status();
-}
-
-// ---------------------------------------------------------------------------
-
-void GGLAssembler::build_scanline_prolog(
-    fragment_parts_t& parts, const needs_t& needs)
-{
-    Scratch scratches(registerFile());
-    int Rctx = mBuilderContext.Rctx;
-
-    // compute count
-    comment("compute ct (# of pixels to process)");
-    parts.count.setTo(obtainReg());
-    int Rx = scratches.obtain();    
-    int Ry = scratches.obtain();
-    CONTEXT_LOAD(Rx, iterators.xl);
-    CONTEXT_LOAD(parts.count.reg, iterators.xr);
-    CONTEXT_LOAD(Ry, iterators.y);
-
-    // parts.count = iterators.xr - Rx
-    SUB(AL, 0, parts.count.reg, parts.count.reg, Rx);
-    SUB(AL, 0, parts.count.reg, parts.count.reg, imm(1));
-
-    if (mDithering) {
-        // parts.count.reg = 0xNNNNXXDD
-        // NNNN = count-1
-        // DD   = dither offset
-        // XX   = 0xxxxxxx (x = garbage)
-        Scratch scratches(registerFile());
-        int tx = scratches.obtain();
-        int ty = scratches.obtain();
-        AND(AL, 0, tx, Rx, imm(GGL_DITHER_MASK));
-        AND(AL, 0, ty, Ry, imm(GGL_DITHER_MASK));
-        ADD(AL, 0, tx, tx, reg_imm(ty, LSL, GGL_DITHER_ORDER_SHIFT));
-        ORR(AL, 0, parts.count.reg, tx, reg_imm(parts.count.reg, LSL, 16));
-    } else {
-        // parts.count.reg = 0xNNNN0000
-        // NNNN = count-1
-        MOV(AL, 0, parts.count.reg, reg_imm(parts.count.reg, LSL, 16));
-    }
-
-    if (!mAllMasked) {
-        // compute dst ptr
-        comment("compute color-buffer pointer");
-        const int cb_bits = mCbFormat.size*8;
-        int Rs = scratches.obtain();
-        parts.cbPtr.setTo(obtainReg(), cb_bits);
-        CONTEXT_LOAD(Rs, state.buffers.color.stride);
-        CONTEXT_LOAD(parts.cbPtr.reg, state.buffers.color.data);
-        SMLABB(AL, Rs, Ry, Rs, Rx);  // Rs = Rx + Ry*Rs
-        base_offset(parts.cbPtr, parts.cbPtr, Rs);
-        scratches.recycle(Rs);
-    }
-    
-    // init fog
-    const int need_fog = GGL_READ_NEEDS(P_FOG, needs.p);
-    if (need_fog) {
-        comment("compute initial fog coordinate");
-        Scratch scratches(registerFile());
-        int dfdx = scratches.obtain();
-        int ydfdy = scratches.obtain();
-        int f = ydfdy;
-        CONTEXT_LOAD(dfdx,  generated_vars.dfdx);
-        CONTEXT_LOAD(ydfdy, iterators.ydfdy);
-        MLA(AL, 0, f, Rx, dfdx, ydfdy);
-        CONTEXT_STORE(f, generated_vars.f);
-    }
-
-    // init Z coordinate
-    if ((mDepthTest != GGL_ALWAYS) || GGL_READ_NEEDS(P_MASK_Z, needs.p)) {
-        parts.z = reg_t(obtainReg());
-        comment("compute initial Z coordinate");
-        Scratch scratches(registerFile());
-        int dzdx = scratches.obtain();
-        int ydzdy = parts.z.reg;
-        CONTEXT_LOAD(dzdx,  generated_vars.dzdx);   // 1.31 fixed-point
-        CONTEXT_LOAD(ydzdy, iterators.ydzdy);       // 1.31 fixed-point
-        MLA(AL, 0, parts.z.reg, Rx, dzdx, ydzdy);
-
-        // we're going to index zbase of parts.count
-        // zbase = base + (xl-count + stride*y)*2
-        int Rs = dzdx;
-        int zbase = scratches.obtain();
-        CONTEXT_LOAD(Rs, state.buffers.depth.stride);
-        CONTEXT_LOAD(zbase, state.buffers.depth.data);
-        SMLABB(AL, Rs, Ry, Rs, Rx);
-        ADD(AL, 0, Rs, Rs, reg_imm(parts.count.reg, LSR, 16));
-        ADD(AL, 0, zbase, zbase, reg_imm(Rs, LSL, 1));
-        CONTEXT_STORE(zbase, generated_vars.zbase);
-    }
-
-    // init texture coordinates
-    init_textures(parts.coords, reg_t(Rx), reg_t(Ry));
-    scratches.recycle(Ry);
-
-    // iterated color
-    init_iterated_color(parts, reg_t(Rx));
-
-    // init coverage factor application (anti-aliasing)
-    if (mAA) {
-        parts.covPtr.setTo(obtainReg(), 16);
-        CONTEXT_LOAD(parts.covPtr.reg, state.buffers.coverage);
-        ADD(AL, 0, parts.covPtr.reg, parts.covPtr.reg, reg_imm(Rx, LSL, 1));
-    }
-}
-
-// ---------------------------------------------------------------------------
-
-void GGLAssembler::build_component( pixel_t& pixel,
-                                    const fragment_parts_t& parts,
-                                    int component,
-                                    Scratch& regs)
-{
-    static char const * comments[] = {"alpha", "red", "green", "blue"};
-    comment(comments[component]);
-
-    // local register file
-    Scratch scratches(registerFile());
-    const int dst_component_size = pixel.component_size(component);
-
-    component_t temp(-1);
-    build_incoming_component( temp, dst_component_size,
-            parts, component, scratches, regs);
-
-    if (mInfo[component].inDest) {
-
-        // blending...
-        build_blending( temp, mDstPixel, component, scratches );
-
-        // downshift component and rebuild pixel...
-        downshift(pixel, component, temp, parts.dither);
-    }
-}
-
-void GGLAssembler::build_incoming_component(
-                                    component_t& temp,
-                                    int dst_size,
-                                    const fragment_parts_t& parts,
-                                    int component,
-                                    Scratch& scratches,
-                                    Scratch& global_regs)
-{
-    const uint32_t component_mask = 1<<component;
-
-    // Figure out what we need for the blending stage...
-    int fs = component==GGLFormat::ALPHA ? mBlendSrcA : mBlendSrc;
-    int fd = component==GGLFormat::ALPHA ? mBlendDstA : mBlendDst;
-    if (fs==GGL_SRC_ALPHA_SATURATE && component==GGLFormat::ALPHA) {
-        fs = GGL_ONE;
-    }
-
-    // Figure out what we need to extract and for what reason
-    const int blending = blending_codes(fs, fd);
-
-    // Are we actually going to blend?
-    const int need_blending = (fs != int(GGL_ONE)) || (fd > int(GGL_ZERO));
-    
-    // expand the source if the destination has more bits
-    int need_expander = false;
-    for (int i=0 ; i<GGL_TEXTURE_UNIT_COUNT-1 ; i++) {
-        texture_unit_t& tmu = mTextureMachine.tmu[i];
-        if ((tmu.format_idx) &&
-            (parts.texel[i].component_size(component) < dst_size)) {
-            need_expander = true;
-        }
-    }
-
-    // do we need to extract this component?
-    const bool multiTexture = mTextureMachine.activeUnits > 1;
-    const int blend_needs_alpha_source = (component==GGLFormat::ALPHA) &&
-                                        (isAlphaSourceNeeded());
-    int need_extract = mInfo[component].needed;
-    if (mInfo[component].inDest)
-    {
-        need_extract |= ((need_blending ?
-                (blending & (BLEND_SRC|FACTOR_SRC)) : need_expander));
-        need_extract |= (mTextureMachine.mask != mTextureMachine.replaced);
-        need_extract |= mInfo[component].smooth;
-        need_extract |= mInfo[component].fog;
-        need_extract |= mDithering;
-        need_extract |= multiTexture;
-    }
-
-    if (need_extract) {
-        Scratch& regs = blend_needs_alpha_source ? global_regs : scratches;
-        component_t fragment;
-
-        // iterated color
-        build_iterated_color(fragment, parts, component, regs);
-
-        // texture environement (decal, modulate, replace)
-        build_texture_environment(fragment, parts, component, regs);
-
-        // expand the source if the destination has more bits
-        if (need_expander && (fragment.size() < dst_size)) {
-            // we're here only if we fetched a texel
-            // (so we know for sure fragment is CORRUPTIBLE)
-            expand(fragment, fragment, dst_size);
-        }
-
-        // We have a few specific things to do for the alpha-channel
-        if ((component==GGLFormat::ALPHA) &&
-            (mInfo[component].needed || fragment.size()<dst_size))
-        {
-            // convert to integer_t first and make sure
-            // we don't corrupt a needed register
-            if (fragment.l) {
-                component_t incoming(fragment);
-                modify(fragment, regs);
-                MOV(AL, 0, fragment.reg, reg_imm(incoming.reg, LSR, incoming.l));
-                fragment.h -= fragment.l;
-                fragment.l = 0;
-            }
-
-            // coverage factor application
-            build_coverage_application(fragment, parts, regs);
-
-            // alpha-test
-            build_alpha_test(fragment, parts);
-
-            if (blend_needs_alpha_source) {
-                // We keep only 8 bits for the blending stage
-                const int shift = fragment.h <= 8 ? 0 : fragment.h-8;
-                if (fragment.flags & CORRUPTIBLE) {
-                    fragment.flags &= ~CORRUPTIBLE;
-                    mAlphaSource.setTo(fragment.reg,
-                            fragment.size(), fragment.flags);
-                    if (shift) {
-                        MOV(AL, 0, mAlphaSource.reg,
-                            reg_imm(mAlphaSource.reg, LSR, shift));
-                    }
-                } else {
-                    // XXX: it would better to do this in build_blend_factor()
-                    // so we can avoid the extra MOV below.
-                    mAlphaSource.setTo(regs.obtain(),
-                            fragment.size(), CORRUPTIBLE);
-                    if (shift) {
-                        MOV(AL, 0, mAlphaSource.reg,
-                            reg_imm(fragment.reg, LSR, shift));
-                    } else {
-                        MOV(AL, 0, mAlphaSource.reg, fragment.reg);
-                    }
-                }
-                mAlphaSource.s -= shift;
-            }
-        }
-
-        // fog...
-        build_fog( fragment, component, regs );
-
-        temp = fragment;
-    } else {
-        if (mInfo[component].inDest) {
-            // extraction not needed and replace
-            // we just select the right component
-            if ((mTextureMachine.replaced & component_mask) == 0) {
-                // component wasn't replaced, so use it!
-                temp = component_t(parts.iterated, component);
-            }
-            for (int i=0 ; i<GGL_TEXTURE_UNIT_COUNT ; i++) {
-                const texture_unit_t& tmu = mTextureMachine.tmu[i];
-                if ((tmu.mask & component_mask) &&
-                    ((tmu.replaced & component_mask) == 0)) {
-                    temp = component_t(parts.texel[i], component);
-                }
-            }
-        }
-    }
-}
-
-bool GGLAssembler::isAlphaSourceNeeded() const
-{
-    // XXX: also needed for alpha-test
-    const int bs = mBlendSrc;
-    const int bd = mBlendDst;
-    return  bs==GGL_SRC_ALPHA_SATURATE ||
-            bs==GGL_SRC_ALPHA || bs==GGL_ONE_MINUS_SRC_ALPHA ||
-            bd==GGL_SRC_ALPHA || bd==GGL_ONE_MINUS_SRC_ALPHA ; 
-}
-
-// ---------------------------------------------------------------------------
-
-void GGLAssembler::build_smooth_shade(const fragment_parts_t& parts)
-{
-    if (mSmooth && !parts.iterated_packed) {
-        // update the iterated color in a pipelined way...
-        comment("update iterated color");
-        Scratch scratches(registerFile());
-
-        const int reload = parts.reload;
-        for (int i=0 ; i<4 ; i++) {
-            if (!mInfo[i].iterated) 
-                continue;
-                
-            int c = parts.argb[i].reg;
-            int dx = parts.argb_dx[i].reg;
-            
-            if (reload & 1) {
-                c = scratches.obtain();
-                CONTEXT_LOAD(c, generated_vars.argb[i].c);
-            }
-            if (reload & 2) {
-                dx = scratches.obtain();
-                CONTEXT_LOAD(dx, generated_vars.argb[i].dx);
-            }
-            
-            if (mSmooth) {
-                ADD(AL, 0, c, c, dx);
-            }
-            
-            if (reload & 1) {
-                CONTEXT_STORE(c, generated_vars.argb[i].c);
-                scratches.recycle(c);
-            }
-            if (reload & 2) {
-                scratches.recycle(dx);
-            }
-        }
-    }
-}
-
-// ---------------------------------------------------------------------------
-
-void GGLAssembler::build_coverage_application(component_t& fragment,
-        const fragment_parts_t& parts, Scratch& regs)
-{
-    // here fragment.l is guarenteed to be 0
-    if (mAA) {
-        // coverages are 1.15 fixed-point numbers
-        comment("coverage application");
-
-        component_t incoming(fragment);
-        modify(fragment, regs);
-
-        Scratch scratches(registerFile());
-        int cf = scratches.obtain();
-        LDRH(AL, cf, parts.covPtr.reg, immed8_post(2));
-        if (fragment.h > 31) {
-            fragment.h--;
-            SMULWB(AL, fragment.reg, incoming.reg, cf);
-        } else {
-            MOV(AL, 0, fragment.reg, reg_imm(incoming.reg, LSL, 1));
-            SMULWB(AL, fragment.reg, fragment.reg, cf);
-        }
-    }
-}
-
-// ---------------------------------------------------------------------------
-
-void GGLAssembler::build_alpha_test(component_t& fragment,
-                                    const fragment_parts_t& parts)
-{
-    if (mAlphaTest != GGL_ALWAYS) {
-        comment("Alpha Test");
-        Scratch scratches(registerFile());
-        int ref = scratches.obtain();
-        const int shift = GGL_COLOR_BITS-fragment.size();
-        CONTEXT_LOAD(ref, state.alpha_test.ref);
-        if (shift) CMP(AL, fragment.reg, reg_imm(ref, LSR, shift));
-        else       CMP(AL, fragment.reg, ref);
-        int cc = NV;
-        switch (mAlphaTest) {
-        case GGL_NEVER:     cc = NV;    break;
-        case GGL_LESS:      cc = LT;    break;
-        case GGL_EQUAL:     cc = EQ;    break;
-        case GGL_LEQUAL:    cc = LS;    break;
-        case GGL_GREATER:   cc = HI;    break;
-        case GGL_NOTEQUAL:  cc = NE;    break;
-        case GGL_GEQUAL:    cc = HS;    break;
-        }
-        B(cc^1, "discard_after_textures");
-    }
-}
-
-// ---------------------------------------------------------------------------
-            
-void GGLAssembler::build_depth_test(
-        const fragment_parts_t& parts, uint32_t mask)
-{
-    mask &= Z_TEST|Z_WRITE;
-    const needs_t& needs = mBuilderContext.needs;
-    const int zmask = GGL_READ_NEEDS(P_MASK_Z, needs.p);
-    Scratch scratches(registerFile());
-
-    if (mDepthTest != GGL_ALWAYS || zmask) {
-        int cc=AL, ic=AL;
-        switch (mDepthTest) {
-        case GGL_LESS:      ic = HI;    break;
-        case GGL_EQUAL:     ic = EQ;    break;
-        case GGL_LEQUAL:    ic = HS;    break;
-        case GGL_GREATER:   ic = LT;    break;
-        case GGL_NOTEQUAL:  ic = NE;    break;
-        case GGL_GEQUAL:    ic = LS;    break;
-        case GGL_NEVER:
-            // this never happens, because it's taken care of when 
-            // computing the needs. but we keep it for completness.
-            comment("Depth Test (NEVER)");
-            B(AL, "discard_before_textures");
-            return;
-        case GGL_ALWAYS:
-            // we're here because zmask is enabled
-            mask &= ~Z_TEST;    // test always passes.
-            break;
-        }
-        
-        // inverse the condition
-        cc = ic^1;
-        
-        if ((mask & Z_WRITE) && !zmask) {
-            mask &= ~Z_WRITE;
-        }
-        
-        if (!mask)
-            return;
-
-        comment("Depth Test");
-
-        int zbase = scratches.obtain();
-        int depth = scratches.obtain();
-        int z = parts.z.reg;
-        
-        CONTEXT_LOAD(zbase, generated_vars.zbase);  // stall
-        SUB(AL, 0, zbase, zbase, reg_imm(parts.count.reg, LSR, 15));
-            // above does zbase = zbase + ((count >> 16) << 1)
-
-        if (mask & Z_TEST) {
-            LDRH(AL, depth, zbase);  // stall
-            CMP(AL, depth, reg_imm(z, LSR, 16));
-            B(cc, "discard_before_textures");
-        }
-        if (mask & Z_WRITE) {
-            if (mask == Z_WRITE) {
-                // only z-write asked, cc is meaningless
-                ic = AL;
-            }
-            MOV(AL, 0, depth, reg_imm(z, LSR, 16));
-            STRH(ic, depth, zbase);
-        }
-    }
-}
-
-void GGLAssembler::build_iterate_z(const fragment_parts_t& parts)
-{
-    const needs_t& needs = mBuilderContext.needs;
-    if ((mDepthTest != GGL_ALWAYS) || GGL_READ_NEEDS(P_MASK_Z, needs.p)) {
-        Scratch scratches(registerFile());
-        int dzdx = scratches.obtain();
-        CONTEXT_LOAD(dzdx, generated_vars.dzdx);    // stall
-        ADD(AL, 0, parts.z.reg, parts.z.reg, dzdx); 
-    }
-}
-
-void GGLAssembler::build_iterate_f(const fragment_parts_t& parts)
-{
-    const needs_t& needs = mBuilderContext.needs;
-    if (GGL_READ_NEEDS(P_FOG, needs.p)) {
-        Scratch scratches(registerFile());
-        int dfdx = scratches.obtain();
-        int f = scratches.obtain();
-        CONTEXT_LOAD(f,     generated_vars.f);
-        CONTEXT_LOAD(dfdx,  generated_vars.dfdx);   // stall
-        ADD(AL, 0, f, f, dfdx);
-        CONTEXT_STORE(f,    generated_vars.f);
-    }
-}
-
-// ---------------------------------------------------------------------------
-
-void GGLAssembler::build_logic_op(pixel_t& pixel, Scratch& regs)
-{
-    const needs_t& needs = mBuilderContext.needs;
-    const int opcode = GGL_READ_NEEDS(LOGIC_OP, needs.n) | GGL_CLEAR;
-    if (opcode == GGL_COPY)
-        return;
-    
-    comment("logic operation");
-
-    pixel_t s(pixel);
-    if (!(pixel.flags & CORRUPTIBLE)) {
-        pixel.reg = regs.obtain();
-        pixel.flags |= CORRUPTIBLE;
-    }
-    
-    pixel_t d(mDstPixel);
-    switch(opcode) {
-    case GGL_CLEAR:         MOV(AL, 0, pixel.reg, imm(0));          break;
-    case GGL_AND:           AND(AL, 0, pixel.reg, s.reg, d.reg);    break;
-    case GGL_AND_REVERSE:   BIC(AL, 0, pixel.reg, s.reg, d.reg);    break;
-    case GGL_COPY:                                                  break;
-    case GGL_AND_INVERTED:  BIC(AL, 0, pixel.reg, d.reg, s.reg);    break;
-    case GGL_NOOP:          MOV(AL, 0, pixel.reg, d.reg);           break;
-    case GGL_XOR:           EOR(AL, 0, pixel.reg, s.reg, d.reg);    break;
-    case GGL_OR:            ORR(AL, 0, pixel.reg, s.reg, d.reg);    break;
-    case GGL_NOR:           ORR(AL, 0, pixel.reg, s.reg, d.reg);
-                            MVN(AL, 0, pixel.reg, pixel.reg);       break;
-    case GGL_EQUIV:         EOR(AL, 0, pixel.reg, s.reg, d.reg);
-                            MVN(AL, 0, pixel.reg, pixel.reg);       break;
-    case GGL_INVERT:        MVN(AL, 0, pixel.reg, d.reg);           break;
-    case GGL_OR_REVERSE:    // s | ~d == ~(~s & d)
-                            BIC(AL, 0, pixel.reg, d.reg, s.reg);
-                            MVN(AL, 0, pixel.reg, pixel.reg);       break;
-    case GGL_COPY_INVERTED: MVN(AL, 0, pixel.reg, s.reg);           break;
-    case GGL_OR_INVERTED:   // ~s | d == ~(s & ~d)
-                            BIC(AL, 0, pixel.reg, s.reg, d.reg);
-                            MVN(AL, 0, pixel.reg, pixel.reg);       break;
-    case GGL_NAND:          AND(AL, 0, pixel.reg, s.reg, d.reg);
-                            MVN(AL, 0, pixel.reg, pixel.reg);       break;
-    case GGL_SET:           MVN(AL, 0, pixel.reg, imm(0));          break;
-    };        
-}
-
-// ---------------------------------------------------------------------------
-
-static uint32_t find_bottom(uint32_t val)
-{
-    uint32_t i = 0;
-    while (!(val & (3<<i)))
-        i+= 2;
-    return i;
-}
-
-static void normalize(uint32_t& val, uint32_t& rot)
-{
-    rot = 0;
-    while (!(val&3)  || (val & 0xFC000000)) {
-        uint32_t newval;
-        newval = val >> 2;
-        newval |= (val&3) << 30;
-        val = newval;
-        rot += 2;
-        if (rot == 32) {
-            rot = 0;
-            break;
-        }
-    }
-}
-
-void GGLAssembler::build_and_immediate(int d, int s, uint32_t mask, int bits)
-{
-    uint32_t rot;
-    uint32_t size = ((bits>=32) ? 0 : (1LU << bits)) - 1;
-    mask &= size;
-
-    if (mask == size) {
-        if (d != s)
-            MOV( AL, 0, d, s);
-        return;
-    }
-    
-    int negative_logic = !isValidImmediate(mask);
-    if (negative_logic) {
-        mask = ~mask & size;
-    }
-    normalize(mask, rot);
-
-    if (mask) {
-        while (mask) {
-            uint32_t bitpos = find_bottom(mask);
-            int shift = rot + bitpos;
-            uint32_t m = mask & (0xff << bitpos);
-            mask &= ~m;
-            m >>= bitpos;
-            int32_t newMask =  (m<<shift) | (m>>(32-shift));
-            if (!negative_logic) {
-                AND( AL, 0, d, s, imm(newMask) );
-            } else {
-                BIC( AL, 0, d, s, imm(newMask) );
-            }
-            s = d;
-        }
-    } else {
-        MOV( AL, 0, d, imm(0));
-    }
-}		
-
-void GGLAssembler::build_masking(pixel_t& pixel, Scratch& regs)
-{
-    if (!mMasking || mAllMasked) {
-        return;
-    }
-
-    comment("color mask");
-
-    pixel_t fb(mDstPixel);
-    pixel_t s(pixel);
-    if (!(pixel.flags & CORRUPTIBLE)) {
-        pixel.reg = regs.obtain();
-        pixel.flags |= CORRUPTIBLE;
-    }
-
-    int mask = 0;
-    for (int i=0 ; i<4 ; i++) {
-        const int component_mask = 1<<i;
-        const int h = fb.format.c[i].h;
-        const int l = fb.format.c[i].l;
-        if (h && (!(mMasking & component_mask))) {
-            mask |= ((1<<(h-l))-1) << l;
-        }
-    }
-
-    // There is no need to clear the masked components of the source
-    // (unless we applied a logic op), because they're already zeroed 
-    // by construction (masked components are not computed)
-
-    if (mLogicOp) {
-        const needs_t& needs = mBuilderContext.needs;
-        const int opcode = GGL_READ_NEEDS(LOGIC_OP, needs.n) | GGL_CLEAR;
-        if (opcode != GGL_CLEAR) {
-            // clear masked component of source
-            build_and_immediate(pixel.reg, s.reg, mask, fb.size());
-            s = pixel;
-        }
-    }
-
-    // clear non masked components of destination
-    build_and_immediate(fb.reg, fb.reg, ~mask, fb.size()); 
-
-    // or back the channels that were masked
-    if (s.reg == fb.reg) {
-         // this is in fact a MOV
-        if (s.reg == pixel.reg) {
-            // ugh. this in in fact a nop
-        } else {
-            MOV(AL, 0, pixel.reg, fb.reg);
-        }
-    } else {
-        ORR(AL, 0, pixel.reg, s.reg, fb.reg);
-    }
-}
-
-// ---------------------------------------------------------------------------
-
-void GGLAssembler::base_offset(
-        const pointer_t& d, const pointer_t& b, const reg_t& o)
-{
-    switch (b.size) {
-    case 32:
-        ADD(AL, 0, d.reg, b.reg, reg_imm(o.reg, LSL, 2));
-        break;
-    case 24:
-        if (d.reg == b.reg) {
-            ADD(AL, 0, d.reg, b.reg, reg_imm(o.reg, LSL, 1));
-            ADD(AL, 0, d.reg, d.reg, o.reg);
-        } else {
-            ADD(AL, 0, d.reg, o.reg, reg_imm(o.reg, LSL, 1));
-            ADD(AL, 0, d.reg, d.reg, b.reg);
-        }
-        break;
-    case 16:
-        ADD(AL, 0, d.reg, b.reg, reg_imm(o.reg, LSL, 1));
-        break;
-    case 8:
-        ADD(AL, 0, d.reg, b.reg, o.reg);
-        break;
-    }
-}
-
-// ----------------------------------------------------------------------------
-// cheezy register allocator...
-// ----------------------------------------------------------------------------
-
-void RegisterAllocator::reset()
-{
-    mRegs.reset();
-}
-
-int RegisterAllocator::reserveReg(int reg)
-{
-    return mRegs.reserve(reg);
-}
-
-int RegisterAllocator::obtainReg()
-{
-    return mRegs.obtain();
-}
-
-void RegisterAllocator::recycleReg(int reg)
-{
-    mRegs.recycle(reg);
-}
-
-RegisterAllocator::RegisterFile& RegisterAllocator::registerFile()
-{
-    return mRegs;
-}
-
-// ----------------------------------------------------------------------------
-
-RegisterAllocator::RegisterFile::RegisterFile()
-    : mRegs(0), mTouched(0), mStatus(0)
-{
-    reserve(ARMAssemblerInterface::SP);
-    reserve(ARMAssemblerInterface::PC);
-}
-
-RegisterAllocator::RegisterFile::RegisterFile(const RegisterFile& rhs)
-    : mRegs(rhs.mRegs), mTouched(rhs.mTouched)
-{
-}
-
-RegisterAllocator::RegisterFile::~RegisterFile()
-{
-}
-
-bool RegisterAllocator::RegisterFile::operator == (const RegisterFile& rhs) const
-{
-    return (mRegs == rhs.mRegs);
-}
-
-void RegisterAllocator::RegisterFile::reset()
-{
-    mRegs = mTouched = mStatus = 0;
-    reserve(ARMAssemblerInterface::SP);
-    reserve(ARMAssemblerInterface::PC);
-}
-
-int RegisterAllocator::RegisterFile::reserve(int reg)
-{
-    LOG_ALWAYS_FATAL_IF(isUsed(reg),
-                        "reserving register %d, but already in use",
-                        reg);
-    mRegs |= (1<<reg);
-    mTouched |= mRegs;
-    return reg;
-}
-
-void RegisterAllocator::RegisterFile::reserveSeveral(uint32_t regMask)
-{
-    mRegs |= regMask;
-    mTouched |= regMask;
-}
-
-int RegisterAllocator::RegisterFile::isUsed(int reg) const
-{
-    LOG_ALWAYS_FATAL_IF(reg>=16, "invalid register %d", reg);
-    return mRegs & (1<<reg);
-}
-
-int RegisterAllocator::RegisterFile::obtain()
-{
-    const char priorityList[14] = {  0,  1, 2, 3, 
-                                    12, 14, 4, 5, 
-                                     6,  7, 8, 9,
-                                    10, 11 };
-    const int nbreg = sizeof(priorityList);
-    int i, r;
-    for (i=0 ; i<nbreg ; i++) {
-        r = priorityList[i];
-        if (!isUsed(r)) {
-            break;
-        }
-    }
-    // this is not an error anymore because, we'll try again with
-    // a lower optimization level.
-    //LOGE_IF(i >= nbreg, "pixelflinger ran out of registers\n");
-    if (i >= nbreg) {
-        mStatus |= OUT_OF_REGISTERS;
-        // we return SP so we can more easily debug things
-        // the code will never be run anyway.
-        return ARMAssemblerInterface::SP; 
-    }
-    reserve(r);
-    return r;
-}
-
-bool RegisterAllocator::RegisterFile::hasFreeRegs() const
-{
-    return ((mRegs & 0xFFFF) == 0xFFFF) ? false : true;
-}
-
-int RegisterAllocator::RegisterFile::countFreeRegs() const
-{
-    int f = ~mRegs & 0xFFFF;
-    // now count number of 1
-   f = (f & 0x5555) + ((f>>1) & 0x5555);
-   f = (f & 0x3333) + ((f>>2) & 0x3333);
-   f = (f & 0x0F0F) + ((f>>4) & 0x0F0F);
-   f = (f & 0x00FF) + ((f>>8) & 0x00FF);
-   return f;
-}
-
-void RegisterAllocator::RegisterFile::recycle(int reg)
-{
-    LOG_FATAL_IF(!isUsed(reg),
-            "recycling unallocated register %d",
-            reg);
-    mRegs &= ~(1<<reg);
-}
-
-void RegisterAllocator::RegisterFile::recycleSeveral(uint32_t regMask)
-{
-    LOG_FATAL_IF((mRegs & regMask)!=regMask,
-            "recycling unallocated registers "
-            "(recycle=%08x, allocated=%08x, unallocated=%08x)",
-            regMask, mRegs, mRegs&regMask);
-    mRegs &= ~regMask;
-}
-
-uint32_t RegisterAllocator::RegisterFile::touched() const
-{
-    return mTouched;
-}
-
-// ----------------------------------------------------------------------------
-
-}; // namespace android
-