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testing patch for aligned reads by webp in javascript

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This commit is contained in:
Ariel Manzur 2015-12-22 09:19:12 -03:00
parent 1bc91848e3
commit 83f2084cb8
3 changed files with 17 additions and 0 deletions
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8
drivers/webp/utils/bit_reader.c
View file

@ -17,6 +17,8 @@
#include "./bit_reader_inl.h"
#define JAVASCRIPT_ENABLED // testing
//------------------------------------------------------------------------------
// VP8BitReader
@ -40,7 +42,13 @@ void VP8InitBitReader(VP8BitReader* const br,
br->bits_ = -8; // to load the very first 8bits
br->eof_ = 0;
VP8BitReaderSetBuffer(br, start, size);
#ifdef JAVASCRIPT_ENABLED // html5 required aligned reads
while(((uintptr_t)br->buf_ & 1) != 0 && !br->eof_)
VP8LoadFinalBytes(br);
#else
VP8LoadNewBytes(br);
#endif
}
void VP8RemapBitReader(VP8BitReader* const br, ptrdiff_t offset) {

8
drivers/webp/utils/bit_reader.h
View file

@ -37,6 +37,12 @@ extern "C" {
// BITS can be any multiple of 8 from 8 to 56 (inclusive).
// Pick values that fit natural register size.
#ifdef JAVASCRIPT_ENABLED
#define BITS 16
#else
#if defined(__i386__) || defined(_M_IX86) // x86 32bit
#define BITS 24
#elif defined(__x86_64__) || defined(_M_X64) // x86 64bit
@ -49,6 +55,8 @@ extern "C" {
#define BITS 24 // TODO(skal): test aarch64 and find the proper BITS value.
#endif
#endif
//------------------------------------------------------------------------------
// Derived types and constants:
// bit_t = natural register type for storing 'value_' (which is BITS+8 bits)

1
servers/visual_server.cpp
View file

@ -526,6 +526,7 @@ void VisualServer::_bind_methods() {
ObjectTypeDB::bind_method(_MD("canvas_item_get_opacity"),&VisualServer::canvas_item_get_opacity);
ObjectTypeDB::bind_method(_MD("canvas_item_set_self_opacity"),&VisualServer::canvas_item_set_self_opacity);
ObjectTypeDB::bind_method(_MD("canvas_item_get_self_opacity"),&VisualServer::canvas_item_get_self_opacity);
ObjectTypeDB::bind_method(_MD("canvas_item_set_z"),&VisualServer::canvas_item_set_z);
ObjectTypeDB::bind_method(_MD("canvas_item_add_line"),&VisualServer::canvas_item_add_line, DEFVAL(1.0));
ObjectTypeDB::bind_method(_MD("canvas_item_add_rect"),&VisualServer::canvas_item_add_rect);