address CppInterpreterGenerator::generate_result_handler_for(
BasicType type) {
assembler()->advance(1);
return ShouldNotCallThisStub();
}
static void pick_scanline(context_t* c)
{
#if (!defined(DEBUG__CODEGEN_ONLY) || (DEBUG__CODEGEN_ONLY == 0))
#if ANDROID_CODEGEN == ANDROID_CODEGEN_GENERIC
c->init_y = init_y;
c->step_y = step_y__generic;
c->scanline = scanline;
return;
#endif
//printf("*** needs [%08lx:%08lx:%08lx:%08lx]\n",
// c->state.needs.n, c->state.needs.p,
// c->state.needs.t[0], c->state.needs.t[1]);
// first handle the special case that we cannot test with a filter
const uint32_t cb_format = GGL_READ_NEEDS(CB_FORMAT, c->state.needs.n);
if (GGL_READ_NEEDS(T_FORMAT, c->state.needs.t[0]) == cb_format) {
if (c->state.needs.match(noblend1to1)) {
// this will match regardless of dithering state, since both
// src and dest have the same format anyway, there is no dithering
// to be done.
const GGLFormat* f =
&(c->formats[GGL_READ_NEEDS(T_FORMAT, c->state.needs.t[0])]);
if ((f->components == GGL_RGB) ||
(f->components == GGL_RGBA) ||
(f->components == GGL_LUMINANCE) ||
(f->components == GGL_LUMINANCE_ALPHA))
{
// format must have all of RGB components
// (so the current color doesn't show through)
c->scanline = scanline_memcpy;
c->init_y = init_y_noop;
return;
}
}
}
if (c->state.needs.match(fill16noblend)) {
c->init_y = init_y_packed;
switch (c->formats[cb_format].size) {
case 1: c->scanline = scanline_memset8; return;
case 2: c->scanline = scanline_memset16; return;
case 4: c->scanline = scanline_memset32; return;
}
}
const int numFilters = sizeof(shortcuts)/sizeof(shortcut_t);
for (int i=0 ; i<numFilters ; i++) {
if (c->state.needs.match(shortcuts[i].filter)) {
c->scanline = shortcuts[i].scanline;
c->init_y = shortcuts[i].init_y;
return;
}
}
#endif // DEBUG__CODEGEN_ONLY
c->init_y = init_y;
c->step_y = step_y__generic;
#if ANDROID_ARM_CODEGEN
// we're going to have to generate some code...
// here, generate code for our pixel pipeline
const AssemblyKey<needs_t> key(c->state.needs);
sp<Assembly> assembly = gCodeCache.lookup(key);
if (assembly == 0) {
// create a new assembly region
sp<ScanlineAssembly> a = new ScanlineAssembly(c->state.needs,
ASSEMBLY_SCRATCH_SIZE);
// initialize our assembler
GGLAssembler assembler( new ARMAssembler(a) );
//GGLAssembler assembler(
// new ARMAssemblerOptimizer(new ARMAssembler(a)) );
// generate the scanline code for the given needs
int err = assembler.scanline(c->state.needs, c);
if (ggl_likely(!err)) {
// finally, cache this assembly
err = gCodeCache.cache(a->key(), a);
}
if (ggl_unlikely(err)) {
LOGE("error generating or caching assembly. Reverting to NOP.");
c->scanline = scanline_noop;
c->init_y = init_y_noop;
c->step_y = step_y__nop;
return;
}
assembly = a;
}
// release the previous assembly
if (c->scanline_as) {
c->scanline_as->decStrong(c);
}
//LOGI("using generated pixel-pipeline");
c->scanline_as = assembly.get();
c->scanline_as->incStrong(c); // hold on to assembly
c->scanline = (void(*)(context_t* c))assembly->base();
#else
// LOGW("using generic (slow) pixel-pipeline");
c->scanline = scanline;
#endif
}
static void patchProloge(void*, uint8_t* start)
{
JSC::X86Assembler assembler(reinterpret_cast<char*>(start), 2);
assembler.movl_rr(JSC::X86Registers::ebp, JSC::X86Registers::ecx);
}
address CppInterpreterGenerator::generate_stack_to_native_abi_converter(
BasicType type) {
assembler()->advance(1);
return ShouldNotCallThisStub();
}
