summaryrefslogtreecommitdiff
path: root/Source/Core/VideoBackends/D3D/StateCache.cpp
blob: c1b351cd56ad94038899c34c6fe11339eb6386dc (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
// Copyright 2013 Dolphin Emulator Project
// Licensed under GPLv2
// Refer to the license.txt file included.

#include "VideoBackends/D3D/StateCache.h"

namespace DX11
{

ID3D11SamplerState* StateCache::Get(SamplerState state)
{
	auto it = m_sampler.find(state.packed);

	if (it != m_sampler.end())
	{
		return it->second;
	}

	const unsigned int d3dMipFilters[4] =
	{
		TexMode0::TEXF_NONE,
		TexMode0::TEXF_POINT,
		TexMode0::TEXF_LINEAR,
		TexMode0::TEXF_NONE, //reserved
	};
	const D3D11_TEXTURE_ADDRESS_MODE d3dClamps[4] =
	{
		D3D11_TEXTURE_ADDRESS_CLAMP,
		D3D11_TEXTURE_ADDRESS_WRAP,
		D3D11_TEXTURE_ADDRESS_MIRROR,
		D3D11_TEXTURE_ADDRESS_WRAP //reserved
	};

	D3D11_SAMPLER_DESC sampdc = CD3D11_SAMPLER_DESC(CD3D11_DEFAULT());

	unsigned int mip = d3dMipFilters[state.min_filter & 3];

	if (state.max_anisotropy)
	{
		sampdc.Filter = D3D11_FILTER_ANISOTROPIC;
		sampdc.MaxAnisotropy = state.max_anisotropy;
	}
	else if (state.min_filter & 4) // linear min filter
	{
		if (state.mag_filter) // linear mag filter
		{
			if (mip == TexMode0::TEXF_NONE)
				sampdc.Filter = D3D11_FILTER_MIN_MAG_LINEAR_MIP_POINT;
			else if (mip == TexMode0::TEXF_POINT)
				sampdc.Filter = D3D11_FILTER_MIN_MAG_LINEAR_MIP_POINT;
			else if (mip == TexMode0::TEXF_LINEAR)
				sampdc.Filter = D3D11_FILTER_MIN_MAG_MIP_LINEAR;
		}
		else // point mag filter
		{
			if (mip == TexMode0::TEXF_NONE)
				sampdc.Filter = D3D11_FILTER_MIN_LINEAR_MAG_MIP_POINT;
			else if (mip == TexMode0::TEXF_POINT)
				sampdc.Filter = D3D11_FILTER_MIN_LINEAR_MAG_MIP_POINT;
			else if (mip == TexMode0::TEXF_LINEAR)
				sampdc.Filter = D3D11_FILTER_MIN_LINEAR_MAG_POINT_MIP_LINEAR;
		}
	}
	else // point min filter
	{
		if (state.mag_filter) // linear mag filter
		{
			if (mip == TexMode0::TEXF_NONE)
				sampdc.Filter = D3D11_FILTER_MIN_POINT_MAG_LINEAR_MIP_POINT;
			else if (mip == TexMode0::TEXF_POINT)
				sampdc.Filter = D3D11_FILTER_MIN_POINT_MAG_LINEAR_MIP_POINT;
			else if (mip == TexMode0::TEXF_LINEAR)
				sampdc.Filter = D3D11_FILTER_MIN_POINT_MAG_MIP_LINEAR;
		}
		else // point mag filter
		{
			if (mip == TexMode0::TEXF_NONE)
				sampdc.Filter = D3D11_FILTER_MIN_MAG_MIP_POINT;
			else if (mip == TexMode0::TEXF_POINT)
				sampdc.Filter = D3D11_FILTER_MIN_MAG_MIP_POINT;
			else if (mip == TexMode0::TEXF_LINEAR)
				sampdc.Filter = D3D11_FILTER_MIN_MAG_POINT_MIP_LINEAR;
		}
	}

	sampdc.AddressU = d3dClamps[state.wrap_s];
	sampdc.AddressV = d3dClamps[state.wrap_t];

	sampdc.MaxLOD = (mip == TexMode0::TEXF_NONE) ? 0.0f : (float)state.max_lod / 16.f;
	sampdc.MinLOD = (float)state.min_lod / 16.f;
	sampdc.MipLODBias = (s32)state.lod_bias / 32.0f;

	ID3D11SamplerState* res = nullptr;

	HRESULT hr = D3D::device->CreateSamplerState(&sampdc, &res);
	if (FAILED(hr)) PanicAlert("Fail %s %d\n", __FILE__, __LINE__);
	D3D::SetDebugObjectName((ID3D11DeviceChild*)res, "sampler state used to emulate the GX pipeline");
	m_sampler.insert(std::make_pair(state.packed, res));

	return res;
}

ID3D11BlendState* StateCache::Get(BlendState state)
{
	auto it = m_blend.find(state.packed);

	if (it != m_blend.end())
	{
		return it->second;
	}

	D3D11_BLEND_DESC blenddc = CD3D11_BLEND_DESC(CD3D11_DEFAULT());

	blenddc.AlphaToCoverageEnable = FALSE;
	blenddc.IndependentBlendEnable = FALSE;
	blenddc.RenderTarget[0].BlendEnable = state.blend_enable;
	blenddc.RenderTarget[0].RenderTargetWriteMask = (D3D11_COLOR_WRITE_ENABLE)state.write_mask;
	blenddc.RenderTarget[0].SrcBlend = (D3D11_BLEND)state.src_blend;
	blenddc.RenderTarget[0].DestBlend = (D3D11_BLEND)state.dst_blend;
	blenddc.RenderTarget[0].BlendOp = (D3D11_BLEND_OP)state.blend_op;
	blenddc.RenderTarget[0].SrcBlendAlpha = (D3D11_BLEND)state.src_blend;
	blenddc.RenderTarget[0].DestBlendAlpha = (D3D11_BLEND)state.dst_blend;
	blenddc.RenderTarget[0].BlendOpAlpha = (D3D11_BLEND_OP)state.blend_op;

	if (blenddc.RenderTarget[0].SrcBlend == D3D11_BLEND_SRC_COLOR)
		blenddc.RenderTarget[0].SrcBlendAlpha = D3D11_BLEND_SRC_ALPHA;
	else if (blenddc.RenderTarget[0].SrcBlend == D3D11_BLEND_INV_SRC_COLOR)
		blenddc.RenderTarget[0].SrcBlendAlpha = D3D11_BLEND_INV_SRC_ALPHA;
	else if (blenddc.RenderTarget[0].SrcBlend == D3D11_BLEND_DEST_COLOR)
		blenddc.RenderTarget[0].SrcBlendAlpha = D3D11_BLEND_DEST_ALPHA;
	else if (blenddc.RenderTarget[0].SrcBlend == D3D11_BLEND_INV_DEST_COLOR)
		blenddc.RenderTarget[0].SrcBlendAlpha = D3D11_BLEND_INV_DEST_ALPHA;
	else
		blenddc.RenderTarget[0].SrcBlendAlpha = blenddc.RenderTarget[0].SrcBlend;

	if (blenddc.RenderTarget[0].DestBlend == D3D11_BLEND_SRC_COLOR)
		blenddc.RenderTarget[0].DestBlendAlpha = D3D11_BLEND_SRC_ALPHA;
	else if (blenddc.RenderTarget[0].DestBlend == D3D11_BLEND_INV_SRC_COLOR)
		blenddc.RenderTarget[0].DestBlendAlpha = D3D11_BLEND_INV_SRC_ALPHA;
	else if (blenddc.RenderTarget[0].DestBlend == D3D11_BLEND_DEST_COLOR)
		blenddc.RenderTarget[0].DestBlendAlpha = D3D11_BLEND_DEST_ALPHA;
	else if (blenddc.RenderTarget[0].DestBlend == D3D11_BLEND_INV_DEST_COLOR)
		blenddc.RenderTarget[0].DestBlendAlpha = D3D11_BLEND_INV_DEST_ALPHA;
	else
		blenddc.RenderTarget[0].DestBlendAlpha = blenddc.RenderTarget[0].DestBlend;

	if (state.use_dst_alpha)
	{
		// Colors should blend against SRC1_ALPHA
		if (blenddc.RenderTarget[0].SrcBlend == D3D11_BLEND_SRC_ALPHA)
			blenddc.RenderTarget[0].SrcBlend = D3D11_BLEND_SRC1_ALPHA;
		else if (blenddc.RenderTarget[0].SrcBlend == D3D11_BLEND_INV_SRC_ALPHA)
			blenddc.RenderTarget[0].SrcBlend = D3D11_BLEND_INV_SRC1_ALPHA;

		// Colors should blend against SRC1_ALPHA
		if (blenddc.RenderTarget[0].DestBlend == D3D11_BLEND_SRC_ALPHA)
			blenddc.RenderTarget[0].DestBlend = D3D11_BLEND_SRC1_ALPHA;
		else if (blenddc.RenderTarget[0].DestBlend == D3D11_BLEND_INV_SRC_ALPHA)
			blenddc.RenderTarget[0].DestBlend = D3D11_BLEND_INV_SRC1_ALPHA;

		blenddc.RenderTarget[0].SrcBlendAlpha = D3D11_BLEND_ONE;
		blenddc.RenderTarget[0].DestBlendAlpha = D3D11_BLEND_ZERO;
		blenddc.RenderTarget[0].BlendOpAlpha = D3D11_BLEND_OP_ADD;
	}

	ID3D11BlendState* res = nullptr;

	HRESULT hr = D3D::device->CreateBlendState(&blenddc, &res);
	if (FAILED(hr)) PanicAlert("Failed to create blend state at %s %d\n", __FILE__, __LINE__);
	D3D::SetDebugObjectName((ID3D11DeviceChild*)res, "blend state used to emulate the GX pipeline");
	m_blend.insert(std::make_pair(state.packed, res));

	return res;
}

ID3D11RasterizerState* StateCache::Get(RasterizerState state)
{
	auto it = m_raster.find(state.packed);

	if (it != m_raster.end())
	{
		return it->second;
	}

	D3D11_RASTERIZER_DESC rastdc = CD3D11_RASTERIZER_DESC(state.wireframe ? D3D11_FILL_WIREFRAME : D3D11_FILL_SOLID,
		(D3D11_CULL_MODE)state.cull_mode,
		false, 0, 0.f, 0, false, true, false, false);

	ID3D11RasterizerState* res = nullptr;

	HRESULT hr = D3D::device->CreateRasterizerState(&rastdc, &res);
	if (FAILED(hr)) PanicAlert("Failed to create rasterizer state at %s %d\n", __FILE__, __LINE__);
	D3D::SetDebugObjectName((ID3D11DeviceChild*)res, "rasterizer state used to emulate the GX pipeline");
	m_raster.insert(std::make_pair(state.packed, res));

	return res;
}

ID3D11DepthStencilState* StateCache::Get(ZMode state)
{
	auto it = m_depth.find(state.hex);

	if (it != m_depth.end())
	{
		return it->second;
	}

	D3D11_DEPTH_STENCIL_DESC depthdc = CD3D11_DEPTH_STENCIL_DESC(CD3D11_DEFAULT());

	depthdc.DepthEnable = TRUE;
	depthdc.DepthWriteMask = D3D11_DEPTH_WRITE_MASK_ALL;
	depthdc.DepthFunc = D3D11_COMPARISON_LESS;
	depthdc.StencilEnable = FALSE;
	depthdc.StencilReadMask = D3D11_DEFAULT_STENCIL_READ_MASK;
	depthdc.StencilWriteMask = D3D11_DEFAULT_STENCIL_WRITE_MASK;

	const D3D11_COMPARISON_FUNC d3dCmpFuncs[8] =
	{
		D3D11_COMPARISON_NEVER,
		D3D11_COMPARISON_LESS,
		D3D11_COMPARISON_EQUAL,
		D3D11_COMPARISON_LESS_EQUAL,
		D3D11_COMPARISON_GREATER,
		D3D11_COMPARISON_NOT_EQUAL,
		D3D11_COMPARISON_GREATER_EQUAL,
		D3D11_COMPARISON_ALWAYS
	};

	if (state.testenable)
	{
		depthdc.DepthEnable = TRUE;
		depthdc.DepthWriteMask = state.updateenable ? D3D11_DEPTH_WRITE_MASK_ALL : D3D11_DEPTH_WRITE_MASK_ZERO;
		depthdc.DepthFunc = d3dCmpFuncs[state.func];
	}
	else
	{
		// if the test is disabled write is disabled too
		depthdc.DepthEnable = FALSE;
		depthdc.DepthWriteMask = D3D11_DEPTH_WRITE_MASK_ZERO;
	}

	ID3D11DepthStencilState* res = nullptr;

	HRESULT hr = D3D::device->CreateDepthStencilState(&depthdc, &res);
	if (SUCCEEDED(hr)) D3D::SetDebugObjectName((ID3D11DeviceChild*)res, "depth-stencil state used to emulate the GX pipeline");
	else PanicAlert("Failed to create depth state at %s %d\n", __FILE__, __LINE__);

	m_depth.insert(std::make_pair(state.hex, res));

	return res;
}

void StateCache::Clear()
{
	for (auto it : m_depth)
	{
		SAFE_RELEASE(it.second);
	}
	m_depth.clear();

	for (auto it : m_raster)
	{
		SAFE_RELEASE(it.second);
	}
	m_raster.clear();

	for (auto it : m_blend)
	{
		SAFE_RELEASE(it.second);
	}
	m_blend.clear();

	for (auto it : m_sampler)
	{
		SAFE_RELEASE(it.second);
	}
	m_sampler.clear();
}

}  // namespace DX11