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
|
// Copyright (C) 2003 Dolphin Project.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/
#include "ProgramShaderCache.h"
namespace OGL
{
GLuint ProgramShaderCache::CurrentFShader = 0, ProgramShaderCache::CurrentVShader = 0, ProgramShaderCache::CurrentProgram = 0;
ProgramShaderCache::PCache ProgramShaderCache::pshaders;
std::pair<u64, u64> ProgramShaderCache::CurrentShaderProgram;
const char *UniformNames[NUM_UNIFORMS] = {
// SAMPLERS
"samp0","samp1","samp2","samp3","samp4","samp5","samp6","samp7",
// PIXEL SHADER UNIFORMS
I_COLORS,
I_KCOLORS,
I_ALPHA,
I_TEXDIMS,
I_ZBIAS ,
I_INDTEXSCALE ,
I_INDTEXMTX,
I_FOG,
I_PLIGHTS,
I_PMATERIALS,
// VERTEX SHADER UNIFORMS
I_POSNORMALMATRIX,
I_PROJECTION ,
I_MATERIALS,
I_LIGHTS,
I_TEXMATRICES,
I_TRANSFORMMATRICES ,
I_NORMALMATRICES ,
I_POSTTRANSFORMMATRICES,
I_DEPTHPARAMS,
};
void ProgramShaderCache::SetBothShaders(GLuint PS, GLuint VS)
{
PROGRAMUID uid;
CurrentFShader = PS;
CurrentVShader = VS;
GetProgramShaderId(&uid, CurrentVShader, CurrentFShader);
if(uid.uid.id == 0)
{
CurrentProgram = 0;
glUseProgram(0);
return;
}
// Fragment shaders can survive without Vertex Shaders
// We have a valid fragment shader, let's create our program
std::pair<u64, u64> ShaderPair = std::make_pair(uid.uid.psid, uid.uid.vsid);
PCache::iterator iter = pshaders.find(ShaderPair);
if (iter != pshaders.end())
{
PCacheEntry &entry = iter->second;
glUseProgram(entry.program.glprogid);
CurrentShaderProgram = ShaderPair;
CurrentProgram = entry.program.glprogid;
return;
}
PCacheEntry entry;
entry.program.vsid = CurrentVShader;
entry.program.psid = CurrentFShader;
entry.program.glprogid = glCreateProgram();
// Right, the program is created now
// Let's attach everything
if(entry.program.vsid != 0) // attaching zero vertex shader makes it freak out
glAttachShader(entry.program.glprogid, entry.program.vsid);
glAttachShader(entry.program.glprogid, entry.program.psid);
glLinkProgram(entry.program.glprogid);
//checkForGLError("linking program");
glUseProgram(entry.program.glprogid);
//checkForGLError("using program");
// We cache our uniform locations for now
// Once we move up to a newer version of GLSL, ~1.30
// We can remove this
//For some reason this fails on my hardware
//glGetUniformIndices(entry.program.glprogid, NUM_UNIFORMS, UniformNames, entry.program.UniformLocations);
//Got to do it this crappy way.
for(int a = 0; a < NUM_UNIFORMS; ++a)
entry.program.UniformLocations[a] = glGetUniformLocation(entry.program.glprogid, UniformNames[a]);
// Need to get some attribute locations
if(uid.uid.vsid != 0) // We have no vertex Shader
{
entry.program.attrLoc[0] = glGetAttribLocation(entry.program.glprogid, "rawnorm1");
entry.program.attrLoc[1] = glGetAttribLocation(entry.program.glprogid, "rawnorm2");
entry.program.attrLoc[2] = glGetAttribLocation(entry.program.glprogid, "fposmtx");
if(entry.program.attrLoc[0] > 0)
glEnableVertexAttribArray(entry.program.attrLoc[0]);
if(entry.program.attrLoc[1] > 0)
glEnableVertexAttribArray(entry.program.attrLoc[1]);
if(entry.program.attrLoc[2] > 0)
glEnableVertexAttribArray(entry.program.attrLoc[2]);
}
else
entry.program.attrLoc[0] = entry.program.attrLoc[1] = entry.program.attrLoc[2] = 0;
pshaders[ShaderPair] = entry;
CurrentShaderProgram = ShaderPair;
CurrentProgram = entry.program.glprogid;
}
GLuint ProgramShaderCache::GetCurrentProgram(void) { return CurrentProgram; }
GLint ProgramShaderCache::GetAttr(int num)
{
return pshaders[CurrentShaderProgram].program.attrLoc[num];
}
PROGRAMSHADER ProgramShaderCache::GetShaderProgram()
{
return pshaders[CurrentShaderProgram].program;
}
void ProgramShaderCache::Shutdown(void)
{
PCache::iterator iter = pshaders.begin();
for (; iter != pshaders.end(); iter++)
iter->second.Destroy();
pshaders.clear();
}
}
void GetProgramShaderId(PROGRAMUID *uid, GLuint _v, GLuint _p)
{
uid->uid.vsid = _v;
uid->uid.psid = _p;
}
|
