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Implementation of FPS monitor in Mixer (fixed dt precision) and Plot

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monitor of FPS in toolbox.
This commit is contained in:
brunoherbelin
2020-06-27 12:19:33 +02:00
parent 6e2c0cb338
commit 44901f6756
5 changed files with 46 additions and 12 deletions
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9
MediaPlayer.cpp
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@@ -583,7 +583,11 @@ void MediaPlayer::update()
{
glBindTexture(GL_TEXTURE_2D, textureindex_);
// use dual Pixel Buffer Object
if (pbo_size_ > 0) {
// In dual PBO mode, increment current index first then get the next index
pbo_index_ = (pbo_index_ + 1) % 2;
pbo_next_index_ = (pbo_index_ + 1) % 2;
// bind PBO to read pixels
glBindBuffer(GL_PIXEL_UNPACK_BUFFER, pbo_[pbo_index_]);
@@ -597,6 +601,7 @@ void MediaPlayer::update()
// See http://www.songho.ca/opengl/gl_pbo.html#map for more details
glBufferData(GL_PIXEL_UNPACK_BUFFER, pbo_size_, 0, GL_STREAM_DRAW);
// map the buffer object into client's memory
// GLubyte* ptr = (GLubyte*) glMapBufferRange(GL_PIXEL_UNPACK_BUFFER, 0, pbo_size_, GL_MAP_WRITE_BIT|GL_MAP_INVALIDATE_BUFFER_BIT);
GLubyte* ptr = (GLubyte*) glMapBuffer(GL_PIXEL_UNPACK_BUFFER, GL_WRITE_ONLY);
if (ptr) {
// update data directly on the mapped buffer
@@ -608,10 +613,6 @@ void MediaPlayer::update()
}
// done with PBO
glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
// In dual PBO mode, increment current index first then get the next index
pbo_index_ = (pbo_index_ + 1) % 2;
pbo_next_index_ = (pbo_index_ + 1) % 2;
}
else
// without PBO, use standard opengl (slower)