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System: Reuse existing texture/buffers for runahead/rewind

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This commit is contained in:
Connor McLaughlin
2021-01-24 21:12:28 +10:00
parent e01d66d18e
commit 3f96473fb5
4 changed files with 62 additions and 28 deletions
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21
src/core/gpu_hw_opengl.cpp
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@ -108,9 +108,9 @@ bool GPU_HW_OpenGL::DoState(StateWrapper& sw, HostDisplayTexture** host_texture,
{
if (host_texture)
{
HostDisplayTexture* tex = *host_texture;
if (sw.IsReading())
{
HostDisplayTexture* tex = *host_texture;
if (tex->GetWidth() != m_vram_texture.GetWidth() || tex->GetHeight() != m_vram_texture.GetHeight() ||
tex->GetSamples() != m_vram_texture.GetSamples())
{
@ -123,16 +123,23 @@ bool GPU_HW_OpenGL::DoState(StateWrapper& sw, HostDisplayTexture** host_texture,
}
else
{
std::unique_ptr<HostDisplayTexture> tex =
m_host_display->CreateTexture(m_vram_texture.GetWidth(), m_vram_texture.GetHeight(), 1, 1,
m_vram_texture.GetSamples(), HostDisplayPixelFormat::RGBA8, nullptr, 0, false);
if (!tex)
return false;
if (!tex || tex->GetWidth() != m_vram_texture.GetWidth() || tex->GetHeight() != m_vram_texture.GetHeight() ||
tex->GetSamples() != m_vram_texture.GetSamples())
{
delete tex;
tex = m_host_display
->CreateTexture(m_vram_texture.GetWidth(), m_vram_texture.GetHeight(), 1, 1,
m_vram_texture.GetSamples(), HostDisplayPixelFormat::RGBA8, nullptr, 0, false)
.release();
*host_texture = tex;
if (!tex)
return false;
}
CopyFramebufferForState(m_vram_texture.GetGLTarget(), m_vram_texture.GetGLId(), m_vram_fbo_id, 0, 0,
static_cast<GLuint>(reinterpret_cast<uintptr_t>(tex->GetHandle())), 0, 0, 0,
m_vram_texture.GetWidth(), m_vram_texture.GetHeight());
*host_texture = tex.release();
}
}