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OGL: Avoid reallocation of frame dumping PBO.

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This commit is contained in:
degasus 2016-11-07 22:32:54 +01:00
parent f6a6cc9c67
commit 741debe229
2 changed files with 18 additions and 11 deletions
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25
Source/Core/VideoBackends/OGL/Render.cpp
View file

@ -1589,10 +1589,10 @@ void Renderer::FlushFrameDump()
FinishFrameData();
glBindBuffer(GL_PIXEL_PACK_BUFFER, m_frame_dumping_pbo[0]);
m_frame_pbo_is_mapped[0] = true;
void* data = glMapBufferRange(GL_PIXEL_PACK_BUFFER, 0,
m_last_frame_width * m_last_frame_height * 4, GL_MAP_READ_BIT);
DumpFrameData(reinterpret_cast<u8*>(data), m_last_frame_width, m_last_frame_height,
m_last_frame_width * 4, m_last_frame_state, true);
void* data = glMapBufferRange(
GL_PIXEL_PACK_BUFFER, 0, m_last_frame_width[0] * m_last_frame_height[0] * 4, GL_MAP_READ_BIT);
DumpFrameData(reinterpret_cast<u8*>(data), m_last_frame_width[0], m_last_frame_height[0],
m_last_frame_width[0] * 4, m_last_frame_state, true);
glBindBuffer(GL_PIXEL_PACK_BUFFER, 0);
m_last_frame_exported = false;
}
@ -1611,21 +1611,28 @@ void Renderer::DumpFrame(const TargetRectangle& flipped_trc, u64 ticks)
{
std::swap(m_frame_dumping_pbo[0], m_frame_dumping_pbo[1]);
std::swap(m_frame_pbo_is_mapped[0], m_frame_pbo_is_mapped[1]);
std::swap(m_last_frame_width[0], m_last_frame_width[1]);
std::swap(m_last_frame_height[0], m_last_frame_height[1]);
glBindBuffer(GL_PIXEL_PACK_BUFFER, m_frame_dumping_pbo[0]);
if (m_frame_pbo_is_mapped[0])
glUnmapBuffer(GL_PIXEL_PACK_BUFFER);
m_frame_pbo_is_mapped[0] = false;
}
m_last_frame_width = flipped_trc.GetWidth();
m_last_frame_height = flipped_trc.GetHeight();
if (flipped_trc.GetWidth() != m_last_frame_width[0] ||
flipped_trc.GetHeight() != m_last_frame_height[0])
{
m_last_frame_width[0] = flipped_trc.GetWidth();
m_last_frame_height[0] = flipped_trc.GetHeight();
glBufferData(GL_PIXEL_PACK_BUFFER, m_last_frame_width[0] * m_last_frame_height[0] * 4, nullptr,
GL_STREAM_READ);
}
m_last_frame_state = AVIDump::FetchState(ticks);
m_last_frame_exported = true;
glBufferData(GL_PIXEL_PACK_BUFFER, m_last_frame_width * m_last_frame_height * 4, nullptr,
GL_STREAM_READ);
glPixelStorei(GL_PACK_ALIGNMENT, 1);
glReadPixels(flipped_trc.left, flipped_trc.bottom, m_last_frame_width, m_last_frame_height,
glReadPixels(flipped_trc.left, flipped_trc.bottom, m_last_frame_width[0], m_last_frame_height[0],
GL_RGBA, GL_UNSIGNED_BYTE, 0);
glBindBuffer(GL_PIXEL_PACK_BUFFER, 0);
}

4
Source/Core/VideoBackends/OGL/Render.h
View file

@ -119,9 +119,9 @@ private:
// avi dumping state to delay one frame
std::array<u32, 2> m_frame_dumping_pbo = {};
std::array<bool, 2> m_frame_pbo_is_mapped = {};
std::array<int, 2> m_last_frame_width = {};
std::array<int, 2> m_last_frame_height = {};
bool m_last_frame_exported = false;
int m_last_frame_width = 0;
int m_last_frame_height = 0;
AVIDump::Frame m_last_frame_state;
};
}