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improve usage of opengl PBO and fence

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This commit is contained in:
falsycat 2022-10-26 09:41:57 +09:00
parent 42738f4923
commit 1ee59aaedf
2 changed files with 3 additions and 5 deletions
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6
common/gl_fence.hh
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@ -15,12 +15,10 @@ namespace nf7::gl {
inline void Await(const std::shared_ptr<nf7::Context>& ctx,
nf7::Future<std::monostate>::Promise& pro,
GLsync sync) noexcept {
GLsizei len;
GLint v;
glGetSynciv(sync, GL_SYNC_STATUS, sizeof(v), &len, &v);
const auto state = glClientWaitSync(sync, 0, 0);
assert(0 == glGetError());
if (v == GL_SIGNALED) {
if (state == GL_ALREADY_SIGNALED || state == GL_CONDITION_SATISFIED) {
glDeleteSync(sync);
pro.Return({});
} else {

2
file/gl_obj.cc
View File

@ -497,7 +497,7 @@ struct Texture {
const auto size = tex.meta().size;
const auto texel = std::accumulate(size.begin(), size.end(), 1, std::multiplies<uint32_t> {});
const auto bsize = static_cast<size_t>(texel)*GetCompCount(comp)*GetByteSize(numtype);
glBufferData(GL_PIXEL_PACK_BUFFER, static_cast<GLsizeiptr>(bsize), nullptr, GL_DYNAMIC_READ);
glBufferData(GL_PIXEL_PACK_BUFFER, static_cast<GLsizeiptr>(bsize), nullptr, GL_STREAM_READ);
const auto t = gl::ToEnum(tex.meta().target);
glBindTexture(t, tex.id());