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gsdx ogl: sparse texture : only commit new area 

Avoid potential driver overhead
This commit is contained in:
Gregory Hainaut 2019-02-27 10:53:32 +01:00 committed by lightningterror
parent bb306dfe90
commit bdcf83ca45
1 changed files with 18 additions and 3 deletions
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23
plugins/GSdx/Renderers/OpenGL/GSTextureOGL.cpp
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@ -520,17 +520,32 @@ void GSTextureOGL::CommitPages(const GSVector2i& region, bool commit)
GLState::available_vram += m_mem_usage;
if (commit) {
GL_INS("CommitPages %dx%d of %u", region.x, region.y, m_texture_id);
m_committed_size = region;
if (m_committed_size.x == 0) {
// Nothing allocated so far
GL_INS("CommitPages initial %dx%d of %u", region.x, region.y, m_texture_id);
glTexturePageCommitmentEXT(m_texture_id, GL_TEX_LEVEL_0, 0, 0, 0, region.x, region.y, 1, commit);
} else {
GL_INS("CommitPages extend %dx%d to %dx%d of %u", m_committed_size.x, m_committed_size.y, region.x, region.y, m_texture_id);
int w = region.x - m_committed_size.x;
int h = region.y - m_committed_size.y;
// Extend width
glTexturePageCommitmentEXT(m_texture_id, GL_TEX_LEVEL_0, m_committed_size.x, 0, 0, w, m_committed_size.y, 1, commit);
// Extend height
glTexturePageCommitmentEXT(m_texture_id, GL_TEX_LEVEL_0, 0, m_committed_size.y, 0, region.x, h, 1, commit);
}
m_committed_size = region;
} else {
// Release everything
GL_INS("CommitPages release of %u", m_texture_id);
glTexturePageCommitmentEXT(m_texture_id, GL_TEX_LEVEL_0, 0, 0, 0, m_committed_size.x, m_committed_size.y, 1, commit);
m_committed_size = GSVector2i(0, 0);
}
m_mem_usage = (m_committed_size.x * m_committed_size.y) << m_int_shift;
GLState::available_vram -= m_mem_usage;
glTexturePageCommitmentEXT(m_texture_id, GL_TEX_LEVEL_0, 0, 0, 0, m_committed_size.x, m_committed_size.y, 1, commit);
}
bool GSTextureOGL::Save(const std::string& fn)