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gsdx ogl: implement a more generic HLE shader for terminator 3 

Hopefully without regression for others games
This commit is contained in:
Gregory Hainaut 2016-05-29 10:11:23 +02:00
parent f7ddd488e1
commit fb26254fbb
3 changed files with 50 additions and 42 deletions
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44
plugins/GSdx/GSRendererOGL.cpp
View File

@ -720,17 +720,45 @@ void GSRendererOGL::DrawPrims(GSTexture* rt, GSTexture* ds, GSTextureCache::Sour
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
if (m_context->FRAME.FBMSK == 0xF0FFFFFF) {
GL_INS("Terminator 3 G4B4 Channel");
// Read either Red or Green. Let's check the V coordinate. 0-1 is likely top so
// red. 2-3 is likely bottom so green (actually depends on texture base pointer offset)
bool green = PRIM->FST && (m_vertex.buff[0].V & 32);
if (green && (m_context->FRAME.FBMSK & 0x00FFFFFF) == 0x00FFFFFF) {
// Typically used in Terminator 3
int blue_mask = m_context->FRAME.FBMSK >> 24;
int green_mask = ~blue_mask & 0xFF;
int blue_shift = -1;
// Note: potentially we could also check the value of the clut
switch (m_context->FRAME.FBMSK >> 24) {
case 0xFF: ASSERT(0); break;
case 0xFE: blue_shift = 1; break;
case 0xFC: blue_shift = 2; break;
case 0xF8: blue_shift = 3; break;
case 0xF0: blue_shift = 4; break;
case 0xE0: blue_shift = 5; break;
case 0xC0: blue_shift = 6; break;
case 0x80: blue_shift = 7; break;
default: ASSERT(0); break;
}
int green_shift = 8 - blue_shift;
dev->SetupCBMisc(GSVector4i(blue_mask, blue_shift, green_mask, green_shift));
if (blue_shift >= 0) {
GL_INS("Green/Blue channel (%d, %d)", blue_shift, green_shift);
ps_sel.channel = 6;
m_context->FRAME.FBMSK = 0x00FFFFFF;
} else if (m_context->FRAME.FBMSK == 0x80FFFFFF) {;
GL_INS("Terminator 3 G7B1 Channel");
ps_sel.channel = 5;
m_context->FRAME.FBMSK = 0x00FFFFFF;
} else {
GL_INS("Green channel (wrong mask) (fbmask %x)", m_context->FRAME.FBMSK >> 24);
ps_sel.channel = 2;
}
} else if (green) {
GL_INS("Green channel");
ps_sel.channel = 2;
} else {
// Pop
GL_INS("Red channel");
ps_sel.channel = 1;
}

22
plugins/GSdx/res/glsl/tfx_fs.glsl
View File

@ -345,20 +345,12 @@ vec4 fetch_rgb()
return c * 255.0f;
}
vec4 fetch_g7b1()
vec4 fetch_gXbY()
{
vec4 rt = fetch_raw_color() * 255.0f;
uint g7 = (uint(rt.g) >> 1u) & 0x7Fu;
uint b1 = (uint(rt.b) << 7u) & 0x80u;
return vec4(float(g7 | b1));
}
vec4 fetch_g4b4()
{
vec4 rt = fetch_raw_color() * 255.0f;
uint g4 = (uint(rt.g) >> 4u) & 0x0Fu;
uint b4 = (uint(rt.b) << 4u) & 0xF0u;
return vec4(float(g4 | b4));
ivec4 rt = ivec4(fetch_raw_color() * 255.0f);
int green = (rt.g >> ChannelShuffle.w) & ChannelShuffle.z;
int blue = (rt.b << ChannelShuffle.y) & ChannelShuffle.x;
return vec4(green | blue);
}
//////////////////////////////////////////////////////////////////////
@ -530,10 +522,8 @@ vec4 ps_color()
vec4 T = fetch_blue();
#elif PS_CHANNEL_FETCH == 4
vec4 T = fetch_alpha();
#elif PS_CHANNEL_FETCH == 5
vec4 T = fetch_g7b1();
#elif PS_CHANNEL_FETCH == 6
vec4 T = fetch_g4b4();
vec4 T = fetch_gXbY();
#elif PS_CHANNEL_FETCH == 7
vec4 T = fetch_rgb();
#elif PS_DEPTH_FMT > 0

22
plugins/GSdx/res/glsl_source.h
View File

@ -1190,20 +1190,12 @@ static const char* const tfx_fs_all_glsl =
" return c * 255.0f;\n"
"}\n"
"\n"
"vec4 fetch_g7b1()\n"
"vec4 fetch_gXbY()\n"
"{\n"
" vec4 rt = fetch_raw_color() * 255.0f;\n"
" uint g7 = (uint(rt.g) >> 1u) & 0x7Fu;\n"
" uint b1 = (uint(rt.b) << 7u) & 0x80u;\n"
" return vec4(float(g7 | b1));\n"
"}\n"
"\n"
"vec4 fetch_g4b4()\n"
"{\n"
" vec4 rt = fetch_raw_color() * 255.0f;\n"
" uint g4 = (uint(rt.g) >> 4u) & 0x0Fu;\n"
" uint b4 = (uint(rt.b) << 4u) & 0xF0u;\n"
" return vec4(float(g4 | b4));\n"
" ivec4 rt = ivec4(fetch_raw_color() * 255.0f);\n"
" int green = (rt.g >> ChannelShuffle.w) & ChannelShuffle.z;\n"
" int blue = (rt.b << ChannelShuffle.y) & ChannelShuffle.x;\n"
" return vec4(green | blue);\n"
"}\n"
"\n"
"//////////////////////////////////////////////////////////////////////\n"
@ -1375,10 +1367,8 @@ static const char* const tfx_fs_all_glsl =
" vec4 T = fetch_blue();\n"
"#elif PS_CHANNEL_FETCH == 4\n"
" vec4 T = fetch_alpha();\n"
"#elif PS_CHANNEL_FETCH == 5\n"
" vec4 T = fetch_g7b1();\n"
"#elif PS_CHANNEL_FETCH == 6\n"
" vec4 T = fetch_g4b4();\n"
" vec4 T = fetch_gXbY();\n"
"#elif PS_CHANNEL_FETCH == 7\n"
" vec4 T = fetch_rgb();\n"
"#elif PS_DEPTH_FMT > 0\n"