Subversion Repositories gelsvn

Rev

Rev 386 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 386 Rev 397
Line 16... Line 16...
16 
namespace
16 
namespace
17 
{
 17 
{
18 
	const string vp =
18 
	const string vp =
19 
	"#version 120\n"
 19 
	"#version 120\n"
20 
	"#extension GL_EXT_gpu_shader4 : enable\n"
 20 
	"#extension GL_EXT_gpu_shader4 : enable\n"
21 
	"\n"
 21 
	"varying vec4 diffuseIn;\n"
22 
	"void main(void)\n"
 22 
	"void main(void)\n"
23 
	"{\n"
 23 
	"{\n"
- 
 
 24 
	"   float ndot = dot(gl_NormalMatrix*gl_Normal,vec3(0,0,1));\n"
- 
 
 25 
	"   diffuseIn = vec4(0.7,0.9,1,1) * abs(ndot);\n"
24 
	"   gl_Position =  ftransform();\n"
 26 
	"   gl_Position =  ftransform();\n"
25 
	"}\n";
 27 
	"}\n";
26
28
27 
	const string gp =
29 
	const string gp =
28 
	"#version 120\n"
 30 
	"#version 120\n"
29 
	"#extension GL_EXT_gpu_shader4 : enable\n"
 31 
	"#extension GL_EXT_gpu_shader4 : enable\n"
30 
	"\n"
 32 
	"\n"
31 
	"uniform vec2 WIN_SCALE;\n"
 33 
	"uniform vec2 WIN_SCALE;\n"
- 
 
 34 
	"varying in vec4 diffuseIn[3];\n"
- 
 
 35 
	"varying vec4 diffuse;\n"
32 
	"noperspective varying vec3 dist;\n"
 36 
	"noperspective varying vec3 dist;\n"
33 
	"void main(void)\n"
 37 
	"void main(void)\n"
34 
	"{\n"
 38 
	"{\n"
35 
	"  vec2 p0 = WIN_SCALE * gl_PositionIn[0].xy/gl_PositionIn[0].w;\n"
 39 
	"  vec2 p0 = WIN_SCALE * gl_PositionIn[0].xy/gl_PositionIn[0].w;\n"
36 
	"  vec2 p1 = WIN_SCALE * gl_PositionIn[1].xy/gl_PositionIn[1].w;\n"
 40 
	"  vec2 p1 = WIN_SCALE * gl_PositionIn[1].xy/gl_PositionIn[1].w;\n"
Line 41... Line 45...
41 
	"  vec2 v2 = p1-p0;\n"
 45 
	"  vec2 v2 = p1-p0;\n"
42 
	"  float area = abs(v1.x*v2.y - v1.y * v2.x);\n"
 46 
	"  float area = abs(v1.x*v2.y - v1.y * v2.x);\n"
43 
	"\n"
 47 
	"\n"
44 
	"  dist = vec3(area/length(v0),0,0);\n"
 48 
	"  dist = vec3(area/length(v0),0,0);\n"
45 
	"  gl_Position = gl_PositionIn[0];\n"
 49 
	"  gl_Position = gl_PositionIn[0];\n"
- 
 
 50 
	"  diffuse = diffuseIn[0];\n"
46 
	"  EmitVertex();\n"
 51 
	"  EmitVertex();\n"
47 
	"	\n"
 52 
	"	\n"
48 
	"  dist = vec3(0,area/length(v1),0);\n"
 53 
	"  dist = vec3(0,area/length(v1),0);\n"
49 
	"  gl_Position = gl_PositionIn[1];\n"
 54 
	"  gl_Position = gl_PositionIn[1];\n"
- 
 
 55 
	"  diffuse = diffuseIn[1];\n"
50 
	"  EmitVertex();\n"
 56 
	"  EmitVertex();\n"
51 
	"\n"
 57 
	"\n"
52 
	"  dist = vec3(0,0,area/length(v2));\n"
 58 
	"  dist = vec3(0,0,area/length(v2));\n"
53 
	"  gl_Position = gl_PositionIn[2];\n"
 59 
	"  gl_Position = gl_PositionIn[2];\n"
- 
 
 60 
	"  diffuse = diffuseIn[2];\n"
54 
	"  EmitVertex();\n"
 61 
	"  EmitVertex();\n"
55 
	"\n"
 62 
	"\n"
56 
	"  EndPrimitive();\n"
 63 
	"  EndPrimitive();\n"
57 
	"}\n";
 64 
	"}\n";
58
65
59 
	const string fp =
 66 
	const string fp =
60 
	"#version 120\n"
 67 
	"#version 120\n"
61 
	"#extension GL_EXT_gpu_shader4 : enable\n"
 68 
	"#extension GL_EXT_gpu_shader4 : enable\n"
62 
	"\n"
 69 
	"\n"
63 
	"noperspective varying vec3 dist;\n"
 70 
	"noperspective varying vec3 dist;\n"
- 
 
 71 
	"varying vec4 diffuse;\n"
64 
	"const vec4 WIRE_COL = vec4(1.0,0.0,0.0,1);\n"
 72 
	"const vec4 WIRE_COL = vec4(1.0,0.0,0.0,1);\n"
65 
	"const vec4 FILL_COL = vec4(1,1,1,1);\n"
 - 
 
66 
	"\n"
 73 
	"\n"
67 
	"void main(void)\n"
 74 
	"void main(void)\n"
68 
	"{\n"
 75 
	"{\n"
69 
	"	float d = min(dist[0],min(dist[1],dist[2]));\n"
 76 
	"	float d = min(dist[0],min(dist[1],dist[2]));\n"
70 
	"	// Compute intensity\n"
 77 
	"	// Compute intensity\n"
71 
	"\n"
 78 
	"\n"
72 
	" 	float I = exp2(-2*d*d);\n"
 79 
	" 	float I = exp2(-2*d*d);\n"
73 
	" 	gl_FragColor = I*WIRE_COL + (1.0 - I)*FILL_COL;\n"
 80 
	" 	gl_FragColor = I*WIRE_COL + (1.0 - I)*diffuse;\n"
74 
	"}\n";
 81 
	"}\n";
75
82
76 
	static GLhandleARB prog_P0;
 83 
	static GLhandleARB prog_P0;
77 
}
 84 
}
78 
 
 85