piwalker/dolphin
1
0
Fork 0
mirror of https://github.com/dolphin-emu/dolphin.git synced 2025-07-25 07:09:48 -06:00
Code Issues Packages Projects Releases Wiki Activity

AbstractTexture: Drop slow map readback path

Browse Source
This commit is contained in:
Stenzek
2017-11-19 17:46:00 +10:00
parent 193763ca3a
commit db1d9de933
10 changed files with 0 additions and 300 deletions
Download Patch File Download Diff File Expand all files Collapse all files

69
Source/Core/VideoBackends/OGL/OGLTexture.cpp
View File

@ -167,75 +167,6 @@ void OGLTexture::Bind(unsigned int stage)
}
}
std::optional<AbstractTexture::RawTextureInfo> OGLTexture::MapFullImpl()
{
if (GLInterface->GetMode() != GLInterfaceMode::MODE_OPENGL)
return {};
m_staging_data.reserve(m_config.width * m_config.height * 4);
glActiveTexture(GL_TEXTURE9);
glBindTexture(GL_TEXTURE_2D_ARRAY, m_texId);
glGetTexImage(GL_TEXTURE_2D_ARRAY, 0, GL_RGBA, GL_UNSIGNED_BYTE, m_staging_data.data());
OGLTexture::SetStage();
return AbstractTexture::RawTextureInfo{reinterpret_cast<u8*>(m_staging_data.data()),
m_config.width * 4, m_config.width, m_config.height};
}
std::optional<AbstractTexture::RawTextureInfo> OGLTexture::MapRegionImpl(u32 level, u32 x, u32 y,
u32 width, u32 height)
{
if (GLInterface->GetMode() != GLInterfaceMode::MODE_OPENGL)
return {};
m_staging_data.reserve(m_config.width * m_config.height * 4);
glActiveTexture(GL_TEXTURE9);
glBindTexture(GL_TEXTURE_2D_ARRAY, m_texId);
if (g_ogl_config.bSupportTextureSubImage)
{
glGetTextureSubImage(GL_TEXTURE_2D_ARRAY, level, GLint(x), GLint(y), 0, GLsizei(width),
GLsizei(height), 0, GL_RGBA, GL_UNSIGNED_BYTE, GLsizei(width * height * 4),
m_staging_data.data());
}
else
{
MapRegionSlow(level, x, y, width, height);
}
OGLTexture::SetStage();
return AbstractTexture::RawTextureInfo{m_staging_data.data(), width * 4, width, height};
}
void OGLTexture::MapRegionSlow(u32 level, u32 x, u32 y, u32 width, u32 height)
{
glActiveTexture(GL_TEXTURE9);
glBindTexture(GL_TEXTURE_2D_ARRAY, m_texId);
glGetTexImage(GL_TEXTURE_2D_ARRAY, 0, GL_RGBA, GL_UNSIGNED_BYTE, m_staging_data.data());
// Now copy the region out of the staging data
const u32 partial_stride = width * 4;
std::vector<u8> partial_data;
partial_data.resize(partial_stride * height);
const u32 staging_stride = m_config.width * 4;
const u32 x_offset = x * 4;
auto staging_location = m_staging_data.begin() + staging_stride * y;
auto partial_location = partial_data.begin();
for (size_t i = 0; i < height; ++i)
{
auto starting_location = staging_location + x_offset;
std::copy(starting_location, starting_location + partial_stride, partial_location);
staging_location += staging_stride;
partial_location += partial_stride;
}
// Now swap the region back in for the staging data
m_staging_data.swap(partial_data);
}
void OGLTexture::CopyRectangleFromTexture(const AbstractTexture* src,
const MathUtil::Rectangle<int>& src_rect, u32 src_layer,
u32 src_level, const MathUtil::Rectangle<int>& dst_rect,