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#include "hw_texture_ios.hpp"
#include "base/logging.hpp"
#include "drape/glfunctions.hpp"
#import <QuartzCore/CAEAGLLayer.h>
#import <Foundation/NSDictionary.h>
#import <Foundation/NSValue.h>
#include <boost/integer_traits.hpp>
#include <boost/gil/algorithm.hpp>
#include <boost/gil/typedefs.hpp>
using boost::gil::gray8c_pixel_t;
using boost::gil::gray8_pixel_t;
using boost::gil::gray8c_view_t;
using boost::gil::gray8_view_t;
using boost::gil::rgba8c_pixel_t;
using boost::gil::rgba8_pixel_t;
using boost::gil::rgba8c_view_t;
using boost::gil::rgba8_view_t;
using boost::gil::interleaved_view;
using boost::gil::subimage_view;
using boost::gil::copy_pixels;
namespace dp
{
HWTextureAllocatorApple::HWTextureAllocatorApple()
{
CVReturn cvRetval = CVOpenGLESTextureCacheCreate(kCFAllocatorDefault, nullptr,
[EAGLContext currentContext],
nullptr, &m_textureCache);
CHECK_EQUAL(cvRetval, kCVReturnSuccess, ());
}
HWTextureAllocatorApple::~HWTextureAllocatorApple()
{
CFRelease(m_textureCache);
}
CVPixelBufferRef HWTextureAllocatorApple::CVCreatePixelBuffer(uint32_t width, uint32_t height, int format)
{
NSDictionary * attrs = [NSDictionary dictionaryWithObjectsAndKeys:
[NSDictionary dictionary], kCVPixelBufferIOSurfacePropertiesKey,
[NSNumber numberWithInt:16], kCVPixelBufferBytesPerRowAlignmentKey,
[NSNumber numberWithBool:YES], kCVPixelBufferOpenGLESCompatibilityKey,
nil];
CFDictionaryRef attrsRef = (__bridge CFDictionaryRef)attrs;
CVPixelBufferRef result;
CVReturn cvRetval;
switch (format)
{
case dp::RGBA8:
cvRetval = CVPixelBufferCreate(kCFAllocatorDefault, width, height, kCVPixelFormatType_32BGRA, attrsRef, &result);
break;
case dp::ALPHA:
cvRetval = CVPixelBufferCreate(kCFAllocatorDefault, width, height, kCVPixelFormatType_OneComponent8,
attrsRef, &result);
break;
default:
ASSERT(false, ());
break;
}
CHECK_EQUAL(cvRetval, kCVReturnSuccess, ());
return result;
}
void HWTextureAllocatorApple::CVDestroyPixelBuffer(CVPixelBufferRef buffer)
{
CFRelease(buffer);
}
CVOpenGLESTextureRef HWTextureAllocatorApple::CVCreateTexture(CVPixelBufferRef buffer, uint32_t width, uint32_t height,
glConst layout, glConst pixelType)
{
CVOpenGLESTextureRef texture;
CVReturn cvRetval = CVOpenGLESTextureCacheCreateTextureFromImage(kCFAllocatorDefault, m_textureCache, buffer,
nullptr, gl_const::GLTexture2D, layout,
width, height, layout, pixelType, 0, &texture);
CHECK_EQUAL(cvRetval, kCVReturnSuccess, ());
return texture;
}
void HWTextureAllocatorApple::CVDestroyTexture(CVOpenGLESTextureRef texture)
{
CFRelease(texture);
}
void HWTextureAllocatorApple::RiseFlushFlag()
{
m_needFlush = true;
}
drape_ptr<HWTexture> HWTextureAllocatorApple::CreateTexture()
{
return make_unique_dp<HWTextureApple>(make_ref<HWTextureAllocatorApple>(this));
}
void HWTextureAllocatorApple::Flush()
{
if (m_needFlush)
{
CVOpenGLESTextureCacheFlush(m_textureCache, 0);
m_needFlush = false;
}
}
HWTextureApple::HWTextureApple(ref_ptr<HWTextureAllocatorApple> allocator)
: m_directBuffer(nullptr)
, m_texture(nullptr)
, m_allocator(nullptr)
, m_directPointer(nullptr)
{
}
HWTextureApple::~HWTextureApple()
{
if (m_allocator != nullptr)
{
m_allocator->CVDestroyTexture(m_texture);
m_allocator->CVDestroyPixelBuffer(m_directBuffer);
}
}
void HWTextureApple::Create(Params const & params, ref_ptr<void> data)
{
TBase::Create(params, data);
m_allocator = params.m_allocator.downcast<HWTextureAllocatorApple>();
m_directBuffer = m_allocator->CVCreatePixelBuffer(params.m_width, params.m_height, params.m_format);
glConst layout, pixelType;
UnpackFormat(params.m_format, layout, pixelType);
m_texture = m_allocator->CVCreateTexture(m_directBuffer, params.m_width, params.m_height,
layout, pixelType);
m_textureID = CVOpenGLESTextureGetName(m_texture);
GLFunctions::glBindTexture(m_textureID);
GLFunctions::glTexParameter(gl_const::GLMinFilter, params.m_filter);
GLFunctions::glTexParameter(gl_const::GLMagFilter, params.m_filter);
GLFunctions::glTexParameter(gl_const::GLWrapS, params.m_wrapSMode);
GLFunctions::glTexParameter(gl_const::GLWrapT, params.m_wrapTMode);
if (data == nullptr)
return;
Lock();
memcpy(m_directPointer, data.get(), m_width * m_height * GetBytesPerPixel(m_format));
Unlock();
}
void HWTextureApple::UploadData(uint32_t x, uint32_t y, uint32_t width, uint32_t height, ref_ptr<void> data)
{
uint8_t bytesPerPixel = GetBytesPerPixel(GetFormat());
Lock();
if (bytesPerPixel == 1)
{
gray8c_view_t srcView = interleaved_view(width, height, (gray8c_pixel_t *)data.get(), width);
gray8_view_t dstView = interleaved_view(m_width, m_height, (gray8_pixel_t *)m_directPointer, m_width);
gray8_view_t subDstView = subimage_view(dstView, x, y, width, height);
copy_pixels(srcView, subDstView);
}
else if (bytesPerPixel == 4)
{
rgba8c_view_t srcView = interleaved_view(width, height,
(rgba8c_pixel_t *)data.get(),
width * bytesPerPixel);
rgba8_view_t dstView = interleaved_view(m_width, m_height,
(rgba8_pixel_t *)m_directPointer,
m_width * bytesPerPixel);
rgba8_view_t subDstView = subimage_view(dstView, x, y, width, height);
copy_pixels(srcView, subDstView);
}
Unlock();
}
void HWTextureApple::Lock()
{
ASSERT(m_directPointer == nullptr, ());
CHECK_EQUAL(CVPixelBufferLockBaseAddress(m_directBuffer, 0), kCVReturnSuccess, ());
ASSERT_EQUAL(CVPixelBufferGetBytesPerRow(m_directBuffer), m_width * GetBytesPerPixel(m_format), ());
m_directPointer = CVPixelBufferGetBaseAddress(m_directBuffer);
}
void HWTextureApple::Unlock()
{
ASSERT(m_directPointer != nullptr, ());
m_directPointer = nullptr;
CHECK_EQUAL(CVPixelBufferUnlockBaseAddress(m_directBuffer, 0), kCVReturnSuccess, ());
m_allocator->RiseFlushFlag();
}
}
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