void GSTextureOGL::CommitPages(const GSVector2i& region, bool commit)
{
GLState::available_vram += m_mem_usage;
if (commit) {
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;
}
// ------------------------------------------------------------------------------------------------
void Texture2DContainer::changeCommitment(GLsizei slice, GLboolean commit)
{
if (glTexturePageCommitmentEXT == nullptr) return;
GLenum err = glGetError();
GLsizei levelWidth = mWidth,
levelHeight = mHeight;
for (int level = 0; level < mLevels; ++level) {
glTexturePageCommitmentEXT(mTexId, level, 0, 0, slice, levelWidth, levelHeight, 1, commit);
levelWidth = std::max(levelWidth / 2, 1);
levelHeight = std::max(levelHeight / 2, 1);
}
err = glGetError();
}
