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gsdx ogl: Fix channel effect interaction with accurate blending 

* Vertex info must be updated before PrimitiveOverlap
* Fix the vertex number (2 not 4)
* add an uint16 cast to shut up Visual Studio
This commit is contained in:
Gregory Hainaut 2016-05-02 19:48:11 +02:00
parent e190841d67
commit 90af611fdb
1 changed files with 50 additions and 43 deletions
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93
plugins/GSdx/GSRendererOGL.cpp
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@ -126,21 +126,6 @@ void GSRendererOGL::SetupIA()
{
GSDeviceOGL* dev = (GSDeviceOGL*)m_dev;
if (m_channel_shuffle) {
// Oh a nice hack !
// Replace current draw with a fullscreen sprite
GSVertex* s = &m_vertex.buff[0];
s[0].XYZ.X = m_context->XYOFFSET.OFX + 0;
s[1].XYZ.X = m_context->XYOFFSET.OFX + 16384;
s[0].XYZ.Y = m_context->XYOFFSET.OFY + 0;
s[1].XYZ.Y = m_context->XYOFFSET.OFY + 16384;
m_vertex.head = m_vertex.tail = m_vertex.next = 4;
m_index.tail = 2;
}
if (!GLLoader::found_geometry_shader)
EmulateGS();
@ -682,6 +667,56 @@ void GSRendererOGL::DrawPrims(GSTexture* rt, GSTexture* ds, GSTextureCache::Sour
GSDeviceOGL* dev = (GSDeviceOGL*)m_dev;
dev->s_n = s_n;
// HLE implementation of the channel selection effect
//
// Warning it must be done at the begining because it will change the
// vertex list (it will interact with PrimitiveOverlap and accurate
// blending)
//
// First let's check we really have a channel shuffle effect
if (m_channel_shuffle) {
if (m_context->CLAMP.WMS == 3 && ((m_context->CLAMP.MAXU & 0x8) == 8)) {
// Read either blue or Alpha. Let's go for Blue ;)
// MGS3/Kill Zone
GL_INS("Blue channel");
ps_sel.channel = 3;
} else if (m_context->CLAMP.WMS == 3 && ((m_context->CLAMP.MINU & 0x8) == 0)) {
// Read either Red or Green. Let's go for Red ;)
// Pop
GL_INS("Red channel");
ps_sel.channel = 1;
} else if ((tex->m_texture->GetType() == GSTexture::DepthStencil) && !(tex->m_32_bits_fmt)) {
GL_INS("Urban Chaos Crazyness");
ps_sel.urban_chaos_hack = 1;
} else {
GL_INS("channel not supported");
m_channel_shuffle = false;
ASSERT(0);
}
}
// Effect is really a channel shuffle effect so let's cheat a little
if (m_channel_shuffle) {
dev->PSSetShaderResource(4, tex->m_from_target);
glTextureBarrier();
// Replace current draw with a fullscreen sprite
GSVertex* s = &m_vertex.buff[0];
s[0].XYZ.X = (uint16)(m_context->XYOFFSET.OFX + 0);
s[1].XYZ.X = (uint16)(m_context->XYOFFSET.OFX + 16384);
s[0].XYZ.Y = (uint16)(m_context->XYOFFSET.OFY + 0);
s[1].XYZ.Y = (uint16)(m_context->XYOFFSET.OFY + 16384);
m_vertex.head = m_vertex.tail = m_vertex.next = 2;
m_index.tail = 2;
} else {
#ifdef ENABLE_OGL_DEBUG
dev->PSSetShaderResource(4, NULL);
#endif
}
if ((DATE || m_sw_blending) && (m_vt.m_primclass == GS_SPRITE_CLASS)) {
// Except 2D games, sprites are often use for special post-processing effect
m_prim_overlap = PrimitiveOverlap();
@ -761,34 +796,6 @@ void GSRendererOGL::DrawPrims(GSTexture* rt, GSTexture* ds, GSTextureCache::Sour
}
}
// Special Draw Call
if (m_channel_shuffle) {
if (m_context->CLAMP.WMS == 3 && ((m_context->CLAMP.MAXU & 0x8) == 8)) {
// Read either blue or Alpha. Let's go for Blue ;)
// MGS3/Kill Zone
GL_INS("Blue channel");
ps_sel.channel = 3;
} else if (m_context->CLAMP.WMS == 3 && ((m_context->CLAMP.MINU & 0x8) == 0)) {
// Read either Red or Green. Let's go for Red ;)
// Pop
GL_INS("Red channel");
ps_sel.channel = 1;
} else if ((tex->m_texture->GetType() == GSTexture::DepthStencil) && !(tex->m_32_bits_fmt)) {
GL_INS("Urban Chaos Crazyness");
ps_sel.urban_chaos_hack = 1;
} else {
GL_INS("channel not supported");
m_channel_shuffle = false;
ASSERT(0);
}
dev->PSSetShaderResource(4, tex->m_from_target);
glTextureBarrier();
} else {
#ifdef ENABLE_OGL_DEBUG
dev->PSSetShaderResource(4, NULL);
#endif
}
//
dev->BeginScene();