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DX11: I think I've figured out where the game enables texture offsets for lines and points.

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@7461 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
Nolan Check
2011-04-15 22:34:54 +00:00
parent 9fc12bcaa2
commit 9b697ed28f
6 changed files with 123 additions and 83 deletions
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87
Source/Plugins/Plugin_VideoDX11/Src/LineGeometryShader.cpp
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@ -25,17 +25,20 @@
namespace DX11
{
union LineGSParams
struct LineGSParams
{
struct
{
FLOAT LineWidth; // In units of 1/6 of an EFB pixel
FLOAT TexOffset;
FLOAT VpWidth; // Width and height of the viewport in EFB pixels
FLOAT VpHeight;
};
FLOAT LineWidth; // In units of 1/6 of an EFB pixel
FLOAT TexOffset;
FLOAT VpWidth; // Width and height of the viewport in EFB pixels
FLOAT VpHeight;
FLOAT TexOffsetEnable[8]; // For each tex coordinate, whether to apply offset to it (1 on, 0 off)
};
union LineGSParams_Padded
{
LineGSParams params;
// Constant buffers must be a multiple of 16 bytes in size.
u8 pad[16]; // Pad to the next multiple of 16 bytes
u8 pad[(sizeof(LineGSParams) + 15) & ~15];
};
static const char LINE_GS_COMMON[] =
@ -50,6 +53,7 @@ static const char LINE_GS_COMMON[] =
"float TexOffset;\n"
"float VpWidth;\n"
"float VpHeight;\n"
"float TexOffsetEnable[8];\n"
"} Params;\n"
"}\n"
@ -91,40 +95,39 @@ static const char LINE_GS_COMMON[] =
"#error NUM_TEXCOORDS not defined\n"
"#endif\n"
// Apply TexOffset to all tex coordinates in the vertex
// FIXME: The game may be able to enable TexOffset for some coords and
// disable for others, but where is that information stored?
// Apply TexOffset to all tex coordinates in the vertex.
// They can each be enabled seperately.
"#if NUM_TEXCOORDS >= 1\n"
"r0.tex0.x += Params.TexOffset;\n"
"r1.tex0.x += Params.TexOffset;\n"
"r0.tex0.x += Params.TexOffset * Params.TexOffsetEnable[0];\n"
"r1.tex0.x += Params.TexOffset * Params.TexOffsetEnable[0];\n"
"#endif\n"
"#if NUM_TEXCOORDS >= 2\n"
"r0.tex1.x += Params.TexOffset;\n"
"r1.tex1.x += Params.TexOffset;\n"
"r0.tex1.x += Params.TexOffset * Params.TexOffsetEnable[1];\n"
"r1.tex1.x += Params.TexOffset * Params.TexOffsetEnable[1];\n"
"#endif\n"
"#if NUM_TEXCOORDS >= 3\n"
"r0.tex2.x += Params.TexOffset;\n"
"r1.tex2.x += Params.TexOffset;\n"
"r0.tex2.x += Params.TexOffset * Params.TexOffsetEnable[2];\n"
"r1.tex2.x += Params.TexOffset * Params.TexOffsetEnable[2];\n"
"#endif\n"
"#if NUM_TEXCOORDS >= 4\n"
"r0.tex3.x += Params.TexOffset;\n"
"r1.tex3.x += Params.TexOffset;\n"
"r0.tex3.x += Params.TexOffset * Params.TexOffsetEnable[3];\n"
"r1.tex3.x += Params.TexOffset * Params.TexOffsetEnable[3];\n"
"#endif\n"
"#if NUM_TEXCOORDS >= 5\n"
"r0.tex4.x += Params.TexOffset;\n"
"r1.tex4.x += Params.TexOffset;\n"
"r0.tex4.x += Params.TexOffset * Params.TexOffsetEnable[4];\n"
"r1.tex4.x += Params.TexOffset * Params.TexOffsetEnable[4];\n"
"#endif\n"
"#if NUM_TEXCOORDS >= 6\n"
"r0.tex5.x += Params.TexOffset;\n"
"r1.tex5.x += Params.TexOffset;\n"
"r0.tex5.x += Params.TexOffset * Params.TexOffsetEnable[5];\n"
"r1.tex5.x += Params.TexOffset * Params.TexOffsetEnable[5];\n"
"#endif\n"
"#if NUM_TEXCOORDS >= 7\n"
"r0.tex6.x += Params.TexOffset;\n"
"r1.tex6.x += Params.TexOffset;\n"
"r0.tex6.x += Params.TexOffset * Params.TexOffsetEnable[6];\n"
"r1.tex6.x += Params.TexOffset * Params.TexOffsetEnable[6];\n"
"#endif\n"
"#if NUM_TEXCOORDS >= 8\n"
"r0.tex7.x += Params.TexOffset;\n"
"r1.tex7.x += Params.TexOffset;\n"
"r0.tex7.x += Params.TexOffset * Params.TexOffsetEnable[7];\n"
"r1.tex7.x += Params.TexOffset * Params.TexOffsetEnable[7];\n"
"#endif\n"
"outStream.Append(l0);\n"
@ -139,8 +142,8 @@ LineGeometryShader::LineGeometryShader()
{
// Create constant buffer for uploading data to geometry shader
D3D11_BUFFER_DESC bd = CD3D11_BUFFER_DESC(sizeof(LineGSParams),
D3D11_BIND_CONSTANT_BUFFER);
D3D11_BUFFER_DESC bd = CD3D11_BUFFER_DESC(sizeof(LineGSParams_Padded),
D3D11_BIND_CONSTANT_BUFFER, D3D11_USAGE_DYNAMIC, D3D11_CPU_ACCESS_WRITE);
m_paramsBuffer = CreateBufferShared(&bd, NULL);
CHECK(m_paramsBuffer, "create line geometry shader params buffer");
D3D::SetDebugObjectName(m_paramsBuffer, "line geometry shader params buffer");
@ -149,7 +152,7 @@ LineGeometryShader::LineGeometryShader()
}
bool LineGeometryShader::SetShader(u32 components, float lineWidth,
float texOffset, float vpWidth, float vpHeight)
float texOffset, float vpWidth, float vpHeight, const bool* texOffsetEnable)
{
if (!m_ready)
return false;
@ -191,12 +194,22 @@ bool LineGeometryShader::SetShader(u32 components, float lineWidth,
{
if (shaderIt->second)
{
LineGSParams params = {};
params.LineWidth = lineWidth;
params.TexOffset = texOffset;
params.VpWidth = vpWidth;
params.VpHeight = vpHeight;
D3D::g_context->UpdateSubresource(m_paramsBuffer, 0, NULL, &params, 0, 0);
D3D11_MAPPED_SUBRESOURCE map;
HRESULT hr = D3D::g_context->Map(m_paramsBuffer, 0, D3D11_MAP_WRITE_DISCARD, 0, &map);
if (SUCCEEDED(hr))
{
LineGSParams* params = (LineGSParams*)map.pData;
params->LineWidth = lineWidth;
params->TexOffset = texOffset;
params->VpWidth = vpWidth;
params->VpHeight = vpHeight;
for (int i = 0; i < 8; ++i)
params->TexOffsetEnable[i] = texOffsetEnable[i] ? 1.f : 0.f;
D3D::g_context->Unmap(m_paramsBuffer, 0);
}
else
ERROR_LOG(VIDEO, "Failed to map line gs params buffer");
DEBUG_LOG(VIDEO, "Line params: width %f, texOffset %f, vpWidth %f, vpHeight %f",
lineWidth, texOffset, vpWidth, vpHeight);