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VideoCommon: Add a user-defined far clipping plane.

This commit is contained in:
Jules Blok 2016-08-12 15:06:26 +02:00
parent 6e2052fae6
commit 94927f360f
4 changed files with 21 additions and 5 deletions
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7
Source/Core/VideoBackends/OGL/Render.cpp
View File

@ -734,6 +734,7 @@ Renderer::Renderer()
if (g_ActiveConfig.backend_info.bSupportsDepthClamp)
{
glEnable(GL_CLIP_DISTANCE0);
glEnable(GL_CLIP_DISTANCE1);
glEnable(GL_DEPTH_CLAMP);
}
@ -1664,7 +1665,10 @@ void Renderer::ResetAPIState()
if (GLInterface->GetMode() == GLInterfaceMode::MODE_OPENGL)
glDisable(GL_COLOR_LOGIC_OP);
if (g_ActiveConfig.backend_info.bSupportsDepthClamp)
{
glDisable(GL_CLIP_DISTANCE0);
glDisable(GL_CLIP_DISTANCE1);
}
glDepthMask(GL_FALSE);
glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
}
@ -1674,7 +1678,10 @@ void Renderer::RestoreAPIState()
// Gets us back into a more game-like state.
glEnable(GL_SCISSOR_TEST);
if (g_ActiveConfig.backend_info.bSupportsDepthClamp)
{
glEnable(GL_CLIP_DISTANCE0);
glEnable(GL_CLIP_DISTANCE1);
}
SetGenerationMode();
BPFunctions::SetScissor();
SetColorMask();

5
Source/Core/VideoCommon/GeometryShaderGen.cpp
View File

@ -313,7 +313,10 @@ static void EmitVertex(ShaderCode& out, const geometry_shader_uid_data* uid_data
{
out.Write("\tgl_Position = %s.pos;\n", vertex);
if (g_ActiveConfig.backend_info.bSupportsDepthClamp)
out.Write("\tgl_ClipDistance[0] = %s.clipDist;\n", vertex);
{
out.Write("\tgl_ClipDistance[0] = %s.clipDist0;\n", vertex);
out.Write("\tgl_ClipDistance[1] = %s.clipDist1;\n", vertex);
}
AssignVSOutputMembers(out, "ps", vertex, uid_data->numTexGens, uid_data->pixel_lighting);
}
else

6
Source/Core/VideoCommon/ShaderGenCommon.h
View File

@ -197,7 +197,8 @@ inline void GenerateVSOutputMembers(T& object, APIType api_type, u32 texgens,
texgens + 2);
}
DefineOutputMember(object, api_type, qualifier, "float", "clipDist", -1, "SV_ClipDistance");
DefineOutputMember(object, api_type, qualifier, "float", "clipDist", 0, "SV_ClipDistance", 0);
DefineOutputMember(object, api_type, qualifier, "float", "clipDist", 1, "SV_ClipDistance", 1);
}
template <class T>
@ -219,7 +220,8 @@ inline void AssignVSOutputMembers(T& object, const char* a, const char* b, u32 t
object.Write("\t%s.WorldPos = %s.WorldPos;\n", a, b);
}
object.Write("\t%s.clipDist = %s.clipDist;\n", a, b);
object.Write("\t%s.clipDist0 = %s.clipDist0;\n", a, b);
object.Write("\t%s.clipDist1 = %s.clipDist1;\n", a, b);
}
// We use the flag "centroid" to fix some MSAA rendering bugs. With MSAA, the

8
Source/Core/VideoCommon/VertexShaderGen.cpp
View File

@ -403,7 +403,8 @@ ShaderCode GenerateVertexShaderCode(APIType api_type, const vertex_shader_uid_da
{
// Since we're adjusting z for the depth range before the perspective divide, we have to do our
// own clipping.
out.Write("o.clipDist = o.pos.z + o.pos.w;\n");
out.Write("o.clipDist0 = o.pos.z + o.pos.w;\n");
out.Write("o.clipDist1 = o.pos.w * -o.pos.z;\n");
// We have to handle the depth range in the vertex shader, because some games will use a depth range beyond
// the normal depth range of 0..1.
@ -467,7 +468,10 @@ ShaderCode GenerateVertexShaderCode(APIType api_type, const vertex_shader_uid_da
}
if (g_ActiveConfig.backend_info.bSupportsDepthClamp)
out.Write("gl_ClipDistance[0] = o.clipDist;\n");
{
out.Write("gl_ClipDistance[0] = o.clipDist0;\n");
out.Write("gl_ClipDistance[1] = o.clipDist1;\n");
}
out.Write("gl_Position = o.pos;\n");
}
else // D3D