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gsdx hw: only enable OI_GsMemClear when both depth/alpha test are disabled 

Fix #1262
This commit is contained in:
Gregory Hainaut 2016-03-26 11:27:31 +01:00
parent 181d8f52d5
commit a99750ae87
1 changed files with 16 additions and 15 deletions
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31
plugins/GSdx/GSRendererHW.cpp
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@ -757,23 +757,24 @@ bool GSRendererHW::OI_DoubleHalfClear(GSTexture* rt, GSTexture* ds, GSTextureCac
void GSRendererHW::OI_GsMemClear()
{
// Rectangle draw without texture
if ((m_vt.m_primclass == GS_SPRITE_CLASS) && (m_vertex.next == 2) && !PRIM->TME && !PRIM->ABE) {
// 0 clear
if (m_vt.m_eq.rgba == 0xFFFF && m_vt.m_min.c.eq(GSVector4i(0))) {
GL_INS("OI_GsMemClear");
GSOffset* off = m_context->offset.fb;
GSVector4i r = GSVector4i(m_vt.m_min.p.xyxy(m_vt.m_max.p)).rintersect(GSVector4i(m_context->scissor.in));
if ((m_vt.m_primclass == GS_SPRITE_CLASS) && (m_vertex.next == 2) && !PRIM->TME && !PRIM->ABE // Direct write
&& !m_context->TEST.ATE // no alpha test
&& (!m_context->TEST.ZTE || m_context->TEST.ZTST == ZTST_ALWAYS) // no depth test
&& (m_vt.m_eq.rgba == 0xFFFF && m_vt.m_min.c.eq(GSVector4i(0))) // Constant 0 write
) {
GL_INS("OI_GsMemClear");
GSOffset* off = m_context->offset.fb;
GSVector4i r = GSVector4i(m_vt.m_min.p.xyxy(m_vt.m_max.p)).rintersect(GSVector4i(m_context->scissor.in));
// Based on WritePixel32
for(int y = r.top; y < r.bottom; y++)
// Based on WritePixel32
for(int y = r.top; y < r.bottom; y++)
{
uint32* RESTRICT d = &m_mem.m_vm32[off->pixel.row[y]];
int* RESTRICT col = off->pixel.col[0];
for(int x = r.left; x < r.right; x++)
{
uint32* RESTRICT d = &m_mem.m_vm32[off->pixel.row[y]];
int* RESTRICT col = off->pixel.col[0];
for(int x = r.left; x < r.right; x++)
{
d[col[x]] = 0; // Here the constant color
}
d[col[x]] = 0; // Here the constant color
}
}
}