From 1296c7bb55b14db24308f31cacdda7f7a71fc937 Mon Sep 17 00:00:00 2001 From: Yong He Date: Sun, 17 Jan 2021 22:00:49 -0800 Subject: Make `gfx` compile to a DLL. (#1660) * Make `gfx` compile to a DLL. * Fix cuda * Fix cuda build * Bug gl screen capture bug. --- tools/gfx/surface.cpp | 223 -------------------------------------------------- 1 file changed, 223 deletions(-) delete mode 100644 tools/gfx/surface.cpp (limited to 'tools/gfx/surface.cpp') diff --git a/tools/gfx/surface.cpp b/tools/gfx/surface.cpp deleted file mode 100644 index 636881fca..000000000 --- a/tools/gfx/surface.cpp +++ /dev/null @@ -1,223 +0,0 @@ -// surface.cpp -#include "surface.h" - -#include -#include -#include - -#include "../../source/core/slang-list.h" - -namespace gfx { -using namespace Slang; - -class MallocSurfaceAllocator: public SurfaceAllocator -{ - public: - - virtual Slang::Result allocate(int width, int height, Format format, int alignment, Surface& surface) override; - virtual void deallocate(Surface& surface) override; -}; - -static MallocSurfaceAllocator s_mallocSurfaceAllocator; - -/// Get the malloc allocator -/* static */SurfaceAllocator* SurfaceAllocator::getMallocAllocator() -{ - return &s_mallocSurfaceAllocator; -} - -Slang::Result MallocSurfaceAllocator::allocate(int width, int height, Format format, int alignment, Surface& surface) -{ - assert(surface.m_data == nullptr); - - // Calculate row size - - const int rowSizeInBytes = Surface::calcRowSize(format, width); - const int numRows = Surface::calcNumRows(format, height); - - alignment = (alignment <= 0) ? int(sizeof(void*)) : alignment; - // It must be a power of 2 - assert( ((alignment - 1) & alignment) == 0); - - // Align rowSize - const int alignedRowSizeInBytes = (rowSizeInBytes + alignment - 1) & -alignment; - - size_t totalSize = numRows * alignedRowSizeInBytes; - - uint8_t* data = (uint8_t*)::malloc(totalSize); - if (!data) - { - return SLANG_E_OUT_OF_MEMORY; - } - - surface.m_data = data; - surface.m_width = width; - surface.m_height = height; - surface.m_format = format; - surface.m_numRows = numRows; - surface.m_rowStrideInBytes = alignedRowSizeInBytes; - - surface.m_allocator = this; - return SLANG_OK; -} - -void MallocSurfaceAllocator::deallocate(Surface& surface) -{ - assert(surface.m_data); - // Make sure it's not an inverted, cos otherwise m_data is not the start address - assert(surface.m_rowStrideInBytes > 0); - ::free(surface.m_data); -} - -// !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Surface !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! - -/* static */int Surface::calcRowSize(Format format, int width) -{ - size_t pixelSize = gfxGetFormatSize(format); - if (pixelSize == 0) - { - return 0; - } - return int(pixelSize * width); -} - -/* static */int Surface::calcNumRows(Format format, int height) -{ - // Don't have any compressed types, so number of rows is same as the height - return height; -} - -void Surface::init() -{ - m_width = 0; - m_height = 0; - m_format = Format::Unknown; - m_data = nullptr; - m_numRows = 0; - m_rowStrideInBytes = 0; - // NOTE! does not clear the allocator. - // If called with an allocation memory will leak! -} - -Surface::~Surface() -{ - if (m_data && m_allocator) - { - m_allocator->deallocate(*this); - } -} - -void Surface::deallocate() -{ - if (m_data && m_allocator) - { - m_allocator->deallocate(*this); - init(); - } -} - -Result Surface::allocate(int width, int height, Format format, int alignment, SurfaceAllocator* allocator) -{ - deallocate(); - allocator = allocator ? allocator : m_allocator; - if (!allocator) - { - // An allocator needs to be set on the surface, or one passed in. - return SLANG_FAIL; - } - return allocator->allocate(width, height, format, alignment, *this); -} - -void Surface::setUnowned(int width, int height, Format format, int strideInBytes, void* data) -{ - deallocate(); - - // This is unowned - m_allocator = nullptr; - - m_width = width; - m_height = height; - m_format = format; - m_rowStrideInBytes = strideInBytes; - m_data = (uint8_t*)data; - - m_numRows = Surface::calcNumRows(format, height); - - const int rowSizeInBytes = Surface::calcRowSize(format, width); - assert((strideInBytes > 0 && rowSizeInBytes <= strideInBytes) || (strideInBytes < 0 && rowSizeInBytes <= -strideInBytes)); -} - -void Surface::zeroContents() -{ - const int rowSizeInBytes = Surface::calcRowSize(m_format, m_width); - - const int stride = m_rowStrideInBytes; - uint8_t* dst = m_data; - - for (int i = 0; i < m_numRows; i++, dst += stride) - { - ::memset(dst, 0, rowSizeInBytes); - } -} - -void Surface::flipInplaceVertically() -{ - // Can only flip when m_height matches number of rows - assert(m_numRows == m_height); - - const int rowSizeInBytes = Surface::calcRowSize(m_format, m_width); - if (rowSizeInBytes <= 0 || m_numRows <= 1) - { - return; - } - - uint8_t* top = m_data; - uint8_t* bottom = m_data + (m_numRows - 1) * m_rowStrideInBytes; - - List bufferList; - bufferList.setCount(rowSizeInBytes); - uint8_t* buffer = bufferList.getBuffer(); - - const int stride = m_rowStrideInBytes; - - const int num = m_height >> 1; - for (int i = 0; i < num; ++i, top += stride, bottom -= stride) - { - ::memcpy(buffer, top, rowSizeInBytes); - ::memcpy(top, bottom, rowSizeInBytes); - ::memcpy(bottom, buffer, rowSizeInBytes); - } -} - -SlangResult Surface::set(int width, int height, Format format, int srcRowStride, const void* data, SurfaceAllocator* allocator) -{ - if (hasContents() && m_width == width && m_height == height && m_format == format) - { - // I can just overwrite the contents that is there - } - else - { - SLANG_RETURN_ON_FAIL(allocate(width, height, format, 0, allocator)); - } - - // Okay just need to set the contents - - { - const size_t rowSize = calcRowSize(format, width); - - const uint8_t* srcRow = (const uint8_t*)data; - uint8_t* dstRow = (uint8_t*)m_data; - - for (int i = 0; i < m_numRows; i++) - { - ::memcpy(dstRow, srcRow, rowSize); - - srcRow += srcRowStride; - dstRow += m_rowStrideInBytes; - } - } - - return SLANG_OK; -} - -} // renderer_test -- cgit v1.2.3