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gl: Restructure buffer objects to give more control over usage

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- This allows creating buffers with no MAP bits set which should ensure they are created for VRAM usage only
- TODO: Implement compute kernels to avoid software fallback mode for pack/unpack operations
This commit is contained in:
kd-11 2019-08-20 21:01:27 +03:00 • committed by kd-11
parent 9672ad53cd
commit 27aeaf66bc
6 changed files with 84 additions and 436 deletions
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5
rpcs3/Emu/RSX/GL/GLTexture.cpp
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@ -738,7 +738,7 @@ namespace gl
if (!g_typeless_transfer_buffer || max_mem > g_typeless_transfer_buffer.size())
{
if (g_typeless_transfer_buffer) g_typeless_transfer_buffer.remove();
g_typeless_transfer_buffer.create(buffer::target::pixel_pack, max_mem, nullptr, buffer_copy_flag);
g_typeless_transfer_buffer.create(buffer::target::pixel_pack, max_mem, nullptr, buffer::memory_type::local, buffer_copy_flag);
}
auto format_type = get_format_type(src->get_internal_format());
@ -746,14 +746,13 @@ namespace gl
pack_settings.swap_bytes(std::get<2>(format_type));
g_typeless_transfer_buffer.bind(buffer::target::pixel_pack);
src->copy_to(nullptr, (texture::format)std::get<0>(format_type), (texture::type)std::get<1>(format_type), pack_settings);
glBindBuffer(GL_PIXEL_PACK_BUFFER, GL_NONE);
format_type = get_format_type(dst->get_internal_format());
pixel_unpack_settings unpack_settings{};
unpack_settings.swap_bytes(std::get<2>(format_type));
g_typeless_transfer_buffer.bind(buffer::target::pixel_unpack);
dst->copy_from(nullptr, (texture::format)std::get<0>(format_type), (texture::type)std::get<1>(format_type), unpack_settings);
glBindBuffer(GL_PIXEL_PACK_BUFFER, GL_NONE);
glBindBuffer(GL_PIXEL_UNPACK_BUFFER, GL_NONE);
}
}