dolphin-emu/dolphin
1
0
Fork 0
mirror of https://github.com/dolphin-emu/dolphin.git synced 2024-10-07 07:43:36 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

DX11: Use a ring buffer in the utility functions for speedup.

Browse Source 
git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@6301 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
NeoBrainX 2010-10-22 20:48:20 +00:00
parent ef75d96655
commit f9187ab508
1 changed files with 102 additions and 121 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

223
Source/Plugins/Plugin_VideoDX11/Src/D3DUtil.cpp
View File

@ -28,7 +28,57 @@
namespace D3D
{
// TODO: Optimize the structures used by the Utils for size
// Ring buffer class, shared between the draw* functions
class UtilVertexBuffer
{
public:
UtilVertexBuffer(int max_size) : buf(NULL), offset(0)
{
D3D11_BUFFER_DESC desc = CD3D11_BUFFER_DESC(max_size, D3D11_BIND_VERTEX_BUFFER, D3D11_USAGE_DYNAMIC, D3D11_CPU_ACCESS_WRITE);
device->CreateBuffer(&desc, NULL, &buf);
}
~UtilVertexBuffer()
{
buf->Release();
}
// returns vertex offset to the new data
int AppendData(void* data, int size, int vertex_size)
{
D3D11_MAPPED_SUBRESOURCE map;
if(offset + size >= max_size)
{
context->Map(buf, 0, D3D11_MAP_WRITE_DISCARD, 0, &map);
offset = 0;
}
else
{
context->Map(buf, 0, D3D11_MAP_WRITE_NO_OVERWRITE, 0, &map);
}
offset += vertex_size - (offset % vertex_size);
memcpy((u8*)map.pData + offset, data, size);
context->Unmap(buf, 0);
offset += size;
return (offset - size) / vertex_size;
}
// Used to make sure we aren't using any invalid data
inline bool IsValidOffset(int off) { return (offset > off); }
inline ID3D11Buffer* &GetBuffer() { return buf; }
inline int GetSize() { return max_size; }
private:
ID3D11Buffer* buf;
int offset;
int max_size;
};
CD3DFont font;
UtilVertexBuffer* util_vbuf = NULL;
#define MAX_NUM_VERTICES 50*6
struct FONT2DVERTEX {
@ -391,46 +441,8 @@ int CD3DFont::DrawTextScaled(float x, float y, float size, float spacing, u32 dw
return S_OK;
}
ID3D11Buffer* CreateQuadVertexBuffer(unsigned int size, void* data, D3D11_USAGE usage = D3D11_USAGE_DYNAMIC)
{
ID3D11Buffer* vb;
D3D11_BUFFER_DESC vbdesc;
vbdesc.BindFlags = D3D11_BIND_VERTEX_BUFFER;
vbdesc.ByteWidth = size;
vbdesc.MiscFlags = 0;
vbdesc.Usage = usage;
switch (usage)
{
case D3D11_USAGE_DEFAULT:
case D3D11_USAGE_IMMUTABLE:
vbdesc.CPUAccessFlags = 0;
break;
case D3D11_USAGE_DYNAMIC:
vbdesc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
break;
case D3D11_USAGE_STAGING:
vbdesc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE|D3D11_CPU_ACCESS_READ;
break;
}
if (data)
{
D3D11_SUBRESOURCE_DATA bufdata;
bufdata.pSysMem = data;
if (FAILED(device->CreateBuffer(&vbdesc, &bufdata, &vb))) return NULL;
}
else if (FAILED(device->CreateBuffer(&vbdesc, NULL, &vb))) return NULL;
return vb;
}
ID3D11SamplerState* linear_copy_sampler = NULL;
ID3D11SamplerState* point_copy_sampler = NULL;
ID3D11Buffer* stqvb = NULL;
ID3D11Buffer* stsqvb = NULL;
ID3D11Buffer* quadvb = NULL;
ID3D11Buffer* clearvb = NULL;
typedef struct { float x,y,z,u,v; } STQVertex;
typedef struct { float x,y,z,u,v; } STSQVertex;
@ -460,8 +472,15 @@ struct
float z;
} clear_quad_data;
int stq_offset;
int stsq_offset;
int cq_offset;
int clearq_offset;
void InitUtils()
{
util_vbuf = new UtilVertexBuffer(0x400);
float border[4] = { 0.f, 0.f, 0.f, 0.f };
D3D11_SAMPLER_DESC samDesc = CD3D11_SAMPLER_DESC(D3D11_FILTER_MIN_MAG_MIP_POINT, D3D11_TEXTURE_ADDRESS_BORDER, D3D11_TEXTURE_ADDRESS_BORDER, D3D11_TEXTURE_ADDRESS_BORDER, 0.f, 1, D3D11_COMPARISON_ALWAYS, border, -D3D11_FLOAT32_MAX, D3D11_FLOAT32_MAX);
HRESULT hr = D3D::device->CreateSamplerState(&samDesc, &point_copy_sampler);
@ -479,41 +498,11 @@ void InitUtils()
memset(&draw_quad_data, 0, sizeof(draw_quad_data));
memset(&clear_quad_data, 0, sizeof(clear_quad_data));
STQVertex stqcoords[4] = {
{-1.0f, 1.0f, 0.0f, 0, 0},
{ 1.0f, 1.0f, 0.0f, 0, 0},
{-1.0f,-1.0f, 0.0f, 0, 0},
{ 1.0f,-1.0f, 0.0f, 0, 0},
};
STSQVertex stsqcoords[4];
memset(stsqcoords, 0, sizeof(stsqcoords));
ColVertex colcoords[4];
memset(colcoords, 0, sizeof(colcoords));
ClearVertex cqcoords[4] = {
{-1.0f, 1.0f, 0, 0},
{ 1.0f, 1.0f, 0, 0},
{-1.0f, -1.0f, 0, 0},
{ 1.0f, -1.0f, 0, 0},
};
stqvb = CreateQuadVertexBuffer(4*sizeof(STQVertex), stqcoords);
CHECK(stqvb!=NULL, "Create vertex buffer of drawShadedTexQuad");
SetDebugObjectName((ID3D11DeviceChild*)stqvb, "vertex buffer of drawShadedTexQuad");
stsqvb = CreateQuadVertexBuffer(4*sizeof(STSQVertex), stsqcoords);
CHECK(stsqvb!=NULL, "Create vertex buffer of drawShadedTexSubQuad");
SetDebugObjectName((ID3D11DeviceChild*)stsqvb, "vertex buffer of drawShadedTexSubQuad");
quadvb = CreateQuadVertexBuffer(4*sizeof(ColVertex), colcoords);
CHECK(quadvb!=NULL, "Create vertex buffer of drawColorQuad");
SetDebugObjectName((ID3D11DeviceChild*)quadvb, "vertex buffer of drawColorQuad");
clearvb = CreateQuadVertexBuffer(4*sizeof(ClearVertex), cqcoords);
CHECK(clearvb!=NULL, "Create vertex buffer of drawClearQuad");
SetDebugObjectName((ID3D11DeviceChild*)clearvb, "vertex buffer of drawClearQuad");
// make sure these always point to invalid regions at the first call
stq_offset = util_vbuf->GetSize();
stsq_offset = util_vbuf->GetSize();
cq_offset = util_vbuf->GetSize();
clearq_offset = util_vbuf->GetSize();
font.Init();
}
@ -523,10 +512,7 @@ void ShutdownUtils()
font.Shutdown();
SAFE_RELEASE(point_copy_sampler);
SAFE_RELEASE(linear_copy_sampler);
SAFE_RELEASE(stqvb);
SAFE_RELEASE(stsqvb);
SAFE_RELEASE(quadvb);
SAFE_RELEASE(clearvb);
SAFE_DELETE(util_vbuf);
}
void SetPointCopySampler()
@ -562,13 +548,12 @@ void drawShadedTexQuad(ID3D11ShaderResourceView* texture,
};
// only upload the data to VRAM if it changed
if (tex_quad_data.u1 != u1 || tex_quad_data.v1 != v1 ||
if (!util_vbuf->IsValidOffset(stq_offset) ||
tex_quad_data.u1 != u1 || tex_quad_data.v1 != v1 ||
tex_quad_data.u2 != u2 || tex_quad_data.v2 != v2)
{
D3D11_MAPPED_SUBRESOURCE map;
D3D::context->Map(stqvb, 0, D3D11_MAP_WRITE_DISCARD, 0, &map);
memcpy(map.pData, coords, sizeof(coords));
D3D::context->Unmap(stqvb, 0);
stq_offset = util_vbuf->AppendData(coords, sizeof(coords), sizeof(STQVertex));
tex_quad_data.u1 = u1;
tex_quad_data.v1 = v1;
tex_quad_data.u2 = u2;
@ -579,12 +564,12 @@ void drawShadedTexQuad(ID3D11ShaderResourceView* texture,
D3D::context->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLESTRIP);
D3D::context->IASetInputLayout(layout);
D3D::context->IASetVertexBuffers(0, 1, &stqvb, &stride, &offset);
D3D::context->IASetVertexBuffers(0, 1, &util_vbuf->GetBuffer(), &stride, &offset);
D3D::context->PSSetShader(PShader, NULL, 0);
D3D::context->PSSetShaderResources(0, 1, &texture);
D3D::context->VSSetShader(Vshader, NULL, 0);
D3D::stateman->Apply();
D3D::context->Draw(4, 0);
D3D::context->Draw(4, stq_offset);
ID3D11ShaderResourceView* texres = NULL;
context->PSSetShaderResources(0, 1, &texres); // immediately unbind the texture
@ -614,14 +599,13 @@ void drawShadedTexSubQuad(ID3D11ShaderResourceView* texture,
};
// only upload the data to VRAM if it changed
if (memcmp(rDest, &tex_sub_quad_data.rdest, sizeof(rDest)) != 0 ||
if (!util_vbuf->IsValidOffset(stsq_offset) ||
memcmp(rDest, &tex_sub_quad_data.rdest, sizeof(rDest)) != 0 ||
tex_sub_quad_data.u1 != u1 || tex_sub_quad_data.v1 != v1 ||
tex_sub_quad_data.u2 != u2 || tex_sub_quad_data.v2 != v2)
{
D3D11_MAPPED_SUBRESOURCE map;
D3D::context->Map(stsqvb, 0, D3D11_MAP_WRITE_DISCARD, 0, &map);
memcpy(map.pData, coords, sizeof(coords));
D3D::context->Unmap(stsqvb, 0);
stsq_offset = util_vbuf->AppendData(coords, sizeof(coords), sizeof(STSQVertex));
tex_sub_quad_data.u1 = u1;
tex_sub_quad_data.v1 = v1;
tex_sub_quad_data.u2 = u2;
@ -632,13 +616,13 @@ void drawShadedTexSubQuad(ID3D11ShaderResourceView* texture,
UINT offset = 0;
context->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLESTRIP);
context->IASetVertexBuffers(0, 1, &stsqvb, &stride, &offset);
context->IASetVertexBuffers(0, 1, &util_vbuf->GetBuffer(), &stride, &offset);
context->IASetInputLayout(layout);
context->PSSetShaderResources(0, 1, &texture);
context->PSSetShader(PShader, NULL, 0);
context->VSSetShader(Vshader, NULL, 0);
context->PSSetShader(PShader, NULL, 0);
context->VSSetShader(Vshader, NULL, 0);
stateman->Apply();
context->Draw(4, 0);
context->Draw(4, stsq_offset);
ID3D11ShaderResourceView* texres = NULL;
context->PSSetShaderResources(0, 1, &texres); // immediately unbind the texture
@ -648,21 +632,19 @@ void drawShadedTexSubQuad(ID3D11ShaderResourceView* texture,
// destination coordinates normalized to (-1;1)
void drawColorQuad(u32 Color, float x1, float y1, float x2, float y2)
{
if(draw_quad_data.x1 != x1 || draw_quad_data.y1 != y1 ||
ColVertex coords[4] = {
{ x1, y2, 0.f, Color },
{ x2, y2, 0.f, Color },
{ x1, y1, 0.f, Color },
{ x2, y1, 0.f, Color },
};
if(!util_vbuf->IsValidOffset(cq_offset) ||
draw_quad_data.x1 != x1 || draw_quad_data.y1 != y1 ||
draw_quad_data.x2 != x2 || draw_quad_data.y2 != y2 ||
draw_quad_data.col != Color)
{
ColVertex coords[4] = {
{ x1, y2, 0.f, Color },
{ x2, y2, 0.f, Color },
{ x1, y1, 0.f, Color },
{ x2, y1, 0.f, Color },
};
D3D11_MAPPED_SUBRESOURCE map;
context->Map(quadvb, 0, D3D11_MAP_WRITE_DISCARD, 0, &map);
memcpy(map.pData, coords, sizeof(coords));
context->Unmap(quadvb, 0);
cq_offset = util_vbuf->AppendData(coords, sizeof(coords), sizeof(ColVertex));
draw_quad_data.x1 = x1;
draw_quad_data.y1 = y1;
@ -678,26 +660,25 @@ void drawColorQuad(u32 Color, float x1, float y1, float x2, float y2)
UINT stride = sizeof(ColVertex);
UINT offset = 0;
context->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLESTRIP);
context->IASetVertexBuffers(0, 1, &quadvb, &stride, &offset);
context->IASetVertexBuffers(0, 1, &util_vbuf->GetBuffer(), &stride, &offset);
context->Draw(4, 0);
context->Draw(4, cq_offset);
}
void drawClearQuad(u32 Color, float z, ID3D11PixelShader* PShader, ID3D11VertexShader* Vshader, ID3D11InputLayout* layout)
{
if (clear_quad_data.col != Color || clear_quad_data.z != z)
{
ClearVertex coords[4] = {
{-1.0f, 1.0f, z, Color},
{ 1.0f, 1.0f, z, Color},
{-1.0f, -1.0f, z, Color},
{ 1.0f, -1.0f, z, Color},
};
ClearVertex coords[4] = {
{-1.0f, 1.0f, z, Color},
{ 1.0f, 1.0f, z, Color},
{-1.0f, -1.0f, z, Color},
{ 1.0f, -1.0f, z, Color},
};
if (!util_vbuf->IsValidOffset(clearq_offset) ||
clear_quad_data.col != Color || clear_quad_data.z != z)
{
clearq_offset = util_vbuf->AppendData(coords, sizeof(coords), sizeof(ClearVertex));
D3D11_MAPPED_SUBRESOURCE map;
context->Map(clearvb, 0, D3D11_MAP_WRITE_DISCARD, 0, &map);
memcpy(map.pData, coords, sizeof(coords));
context->Unmap(clearvb, 0);
clear_quad_data.col = Color;
clear_quad_data.z = z;
}
@ -708,9 +689,9 @@ void drawClearQuad(u32 Color, float z, ID3D11PixelShader* PShader, ID3D11VertexS
UINT stride = sizeof(ClearVertex);
UINT offset = 0;
context->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLESTRIP);
context->IASetVertexBuffers(0, 1, &clearvb, &stride, &offset);
context->IASetVertexBuffers(0, 1, &util_vbuf->GetBuffer(), &stride, &offset);
stateman->Apply();
context->Draw(4, 0);
context->Draw(4, clearq_offset);
}
} // namespace