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gsdx ogl: move ATST emulation in a dedicated function 

Future commit will try to reduce the number of Alpha Test possibilities
This commit is contained in:
Gregory Hainaut 2016-06-10 21:16:39 +02:00
parent fb2182dd9b
commit 9a188a87c2
2 changed files with 37 additions and 17 deletions
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51
plugins/GSdx/GSRendererOGL.cpp
View File

@ -41,6 +41,7 @@ GSRendererOGL::GSRendererOGL()
UserHacks_merge_sprite = theApp.GetConfigB("UserHacks_merge_pp_sprite");
m_prim_overlap = PRIM_OVERLAP_UNKNOW;
m_pass1_atst = 0;
ResetStates();
if (!theApp.GetConfigB("UserHacks")) {
@ -168,6 +169,34 @@ void GSRendererOGL::SetupIA()
dev->IASetPrimitiveTopology(t);
}
void GSRendererOGL::EmulateAtst(const int pass, const GSTextureCache::Source* tex)
{
if (pass == 1) {
if (m_context->TEST.ATE)
m_pass1_atst = m_context->TEST.ATST;
else
m_pass1_atst = ATST_ALWAYS;
if (m_context->TEST.ATE && m_context->TEST.ATST > 1)
ps_cb.FogColor_AREF.a = (float)m_context->TEST.AREF;
if (tex && tex->m_spritehack_t && (m_pass1_atst == 2)) {
m_ps_sel.atst = 1;
} else {
m_ps_sel.atst = m_pass1_atst;
}
} else if (pass == 2) {
static const uint32 iatst[] = {1, 0, 5, 6, 7, 2, 3, 4};
m_ps_sel.atst = iatst[m_pass1_atst];
if (tex && tex->m_spritehack_t && (m_ps_sel.atst == 2)) {
m_ps_sel.atst = 1;
}
}
}
void GSRendererOGL::EmulateTextureShuffleAndFbmask()
{
if (m_texture_shuffle) {
@ -1242,21 +1271,14 @@ void GSRendererOGL::DrawPrims(GSTexture* rt, GSTexture* ds, GSTextureCache::Sour
#endif
}
if (m_context->TEST.ATE)
m_ps_sel.atst = m_context->TEST.ATST;
else
m_ps_sel.atst = ATST_ALWAYS;
if (m_context->TEST.ATE && m_context->TEST.ATST > 1)
ps_cb.FogColor_AREF.a = (float)m_context->TEST.AREF;
// By default don't use texture
m_ps_sel.tfx = 4;
int atst = m_ps_sel.atst;
EmulateAtst(1, tex);
if (tex) {
EmulateTextureSampler(tex);
} else {
m_ps_sel.tfx = 4;
}
// Always bind the RT. This way special effect can use it.
dev->PSSetShaderResource(3, rt);
@ -1337,12 +1359,7 @@ void GSRendererOGL::DrawPrims(GSTexture* rt, GSTexture* ds, GSTextureCache::Sour
{
ASSERT(!m_env.PABE.PABE);
static const uint32 iatst[] = {1, 0, 5, 6, 7, 2, 3, 4};
m_ps_sel.atst = iatst[atst];
if (tex && tex->m_spritehack_t && (m_ps_sel.atst == 2)) {
m_ps_sel.atst = 1;
}
EmulateAtst(2, tex);
dev->SetupPipeline(m_vs_sel, m_gs_sel, m_ps_sel);

3
plugins/GSdx/GSRendererOGL.h
View File

@ -71,6 +71,8 @@ class GSRendererOGL final : public GSRendererHW
GSDeviceOGL::OMColorMaskSelector m_om_csel;
GSDeviceOGL::OMDepthStencilSelector m_om_dssel;
int m_pass1_atst;
private:
inline void ResetStates();
inline void Lines2Sprites();
@ -79,6 +81,7 @@ class GSRendererOGL final : public GSRendererHW
inline void EmulateChannelShuffle(GSTexture** rt, const GSTextureCache::Source* tex);
inline void EmulateBlending(bool DATE_GL42);
inline void EmulateTextureSampler(const GSTextureCache::Source* tex);
inline void EmulateAtst(const int pass, const GSTextureCache::Source* tex);
public:
GSRendererOGL();