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
|
// Geometric Tools, LLC
// Copyright (c) 1998-2014
// Distributed under the Boost Software License, Version 1.0.
// http://www.boost.org/LICENSE_1_0.txt
// http://www.geometrictools.com/License/Boost/LICENSE_1_0.txt
//
// File Version: 5.0.2 (2013/01/03)
#include "Wm5GraphicsPCH.h"
#include "Wm5Dx9VertexShader.h"
#include "Wm5Renderer.h"
using namespace Wm5;
//----------------------------------------------------------------------------
PdrVertexShader::PdrVertexShader (Renderer* renderer,
const VertexShader* vshader)
{
IDirect3DDevice9* device = renderer->mData->mDevice;
// Compile the shader to assembly code.
const char* programText =
vshader->GetProgram(VertexShader::GetProfile())->c_str();
int programLength = (int)strlen(programText);
LPD3DXBUFFER compiledShader = 0;
LPD3DXBUFFER errors = 0;
HRESULT hr = D3DXAssembleShader(programText, programLength, 0, 0, 0,
&compiledShader, &errors);
#ifdef _DEBUG
if (errors)
{
DWORD size = errors->GetBufferSize();
WM5_UNUSED(size);
char* data = (char*)errors->GetBufferPointer();
WM5_UNUSED(data);
assertion(false, "Failed to assemble vertex shader.\n");
}
#endif
WM5_UNUSED(hr);
assertion(hr == D3D_OK && compiledShader,
"Failed to assemble vertex shader: %s\n", DXGetErrorString(hr));
// Create the vertex shader.
hr = device->CreateVertexShader(
(DWORD*)(compiledShader->GetBufferPointer()), &mShader);
assertion(hr == D3D_OK, "Failed to create vertex shader\n");
// Release buffers, if necessary.
if (compiledShader)
{
compiledShader->Release();
}
if (errors)
{
errors->Release();
}
}
//----------------------------------------------------------------------------
PdrVertexShader::~PdrVertexShader ()
{
mShader->Release();
}
//----------------------------------------------------------------------------
void PdrVertexShader::Enable (Renderer* renderer,
const VertexShader* vshader, const ShaderParameters* parameters)
{
IDirect3DDevice9* device = renderer->mData->mDevice;
// Enable the buffer by setting the state.
HRESULT hr = device->SetVertexShader(mShader);
assertion(hr == D3D_OK, "Failed to enable vertex shader: %s\n",
DXGetErrorString(hr));
// Set the shader constants.
int profile = VertexShader::GetProfile();
const int numConstants = vshader->GetNumConstants();
int i;
for (i = 0; i < numConstants; ++i)
{
hr = device->SetVertexShaderConstantF(
vshader->GetBaseRegister(profile, i),
parameters->GetConstant(i)->GetData(),
vshader->GetNumRegistersUsed(i));
assertion(hr == D3D_OK, "Failed to set shader constant: %s\n",
DXGetErrorString(hr));
}
SetSamplerState(renderer, vshader, profile, parameters,
renderer->mData->mMaxVShaderImages, D3DVERTEXTEXTURESAMPLER0,
renderer->mData->mCurrentVSState);
}
//----------------------------------------------------------------------------
void PdrVertexShader::Disable (Renderer* renderer,
const VertexShader* vshader, const ShaderParameters* parameters)
{
IDirect3DDevice9* device = renderer->mData->mDevice;
HRESULT hr;
WM5_UNUSED(hr);
#ifdef WM5_PDR_DEBUG
// Verify that the active shader is the one making the disable request.
IDirect3DVertexShader9* activeVShader = 0;
hr = device->GetVertexShader(&activeVShader);
assertion(hr == D3D_OK, "Failed to get vertex shader: %s\n",
DXGetErrorString(hr));
assertion(activeVShader == mShader, "Mismatched vertex shaders\n");
activeVShader->Release();
#endif
int profile = VertexShader::GetProfile();
DisableTextures(renderer, vshader, profile, parameters,
renderer->mData->mMaxVShaderImages, D3DVERTEXTEXTURESAMPLER0);
// Disable the shader by clearing the state.
hr = device->SetVertexShader(0);
assertion(hr == D3D_OK, "Failed to set vertex shader: %s\n",
DXGetErrorString(hr));
}
//----------------------------------------------------------------------------
|
