3 GL_ARB_tessellation_shader
12 gl_Position = piglit_vertex;
15 [tessellation control shader]
17 #extension GL_ARB_tessellation_shader : require
18 layout(vertices = 4) out;
27 for (int i = 0; i < 16; i++)
28 blk[gl_InvocationID].m1[i] = 1.0 + float(i);
30 for (int i = 0; i < 15; i++)
31 blk[gl_InvocationID].m2[i] = 1.0 + float(16+i);
33 gl_out[gl_InvocationID].gl_Position = gl_in[gl_InvocationID].gl_Position;
34 gl_TessLevelOuter = float[4](1.0, 1.0, 1.0, 1.0);
35 gl_TessLevelInner = float[2](1.0, 1.0);
38 [tessellation evaluation shader]
40 #extension GL_ARB_tessellation_shader : require
41 layout(quads, equal_spacing) in;
51 #define INTERP_QUAD(INi, OUT) do { \
53 for (int i = 0; i < 4; i++) v[i] = INi; \
54 OUT = mix(mix(v[0], v[1], gl_TessCoord[0]), mix(v[2], v[3], gl_TessCoord[0]), \
61 INTERP_QUAD(vec4(blk[i].m2[index-16]), m);
63 INTERP_QUAD(vec4(blk[i].m1[index]), m);
66 color = m.x == expect.x ? vec4(0.0, 1.0, 0.0, 1.0) : vec4(1.0, 0.0, 0.0, 1.0);
67 INTERP_QUAD(gl_in[i].gl_Position, gl_Position);
81 clear color 0.5 0.5 0.5 0.5
85 uniform vec4 expect 1 1.1 1.2 1.3
86 draw rect patch -1 -1 0.09 0.09
87 probe rgb 6 6 0.0 1.0 0.0
90 uniform vec4 expect 2 2.1 2.2 2.3
91 draw rect patch -0.9 -1 0.09 0.09
92 probe rgb 18 6 0.0 1.0 0.0
95 uniform vec4 expect 3 3.1 3.2 3.3
96 draw rect patch -0.8 -1 0.09 0.09
97 probe rgb 31 6 0.0 1.0 0.0
100 uniform vec4 expect 4 4.1 4.2 4.3
101 draw rect patch -0.7 -1 0.09 0.09
102 probe rgb 43 6 0.0 1.0 0.0
105 uniform vec4 expect 5 5.1 5.2 5.3
106 draw rect patch -0.6 -1 0.09 0.09
107 probe rgb 56 6 0.0 1.0 0.0
110 uniform vec4 expect 6 6.1 6.2 6.3
111 draw rect patch -0.5 -1 0.09 0.09
112 probe rgb 68 6 0.0 1.0 0.0
115 uniform vec4 expect 7 7.1 7.2 7.3
116 draw rect patch -0.4 -1 0.09 0.09
117 probe rgb 81 6 0.0 1.0 0.0
120 uniform vec4 expect 8 8.1 8.2 8.3
121 draw rect patch -0.3 -1 0.09 0.09
122 probe rgb 93 6 0.0 1.0 0.0
125 uniform vec4 expect 9 9.1 9.2 9.3
126 draw rect patch -0.2 -1 0.09 0.09
127 probe rgb 106 6 0.0 1.0 0.0
130 uniform vec4 expect 10 10.1 10.2 10.3
131 draw rect patch -0.1 -1 0.09 0.09
132 probe rgb 118 6 0.0 1.0 0.0
135 uniform vec4 expect 11 11.1 11.2 11.3
136 draw rect patch 0 -1 0.09 0.09
137 probe rgb 131 6 0.0 1.0 0.0
140 uniform vec4 expect 12 12.1 12.2 12.3
141 draw rect patch 0.1 -1 0.09 0.09
142 probe rgb 143 6 0.0 1.0 0.0
145 uniform vec4 expect 13 13.1 13.2 13.3
146 draw rect patch 0.2 -1 0.09 0.09
147 probe rgb 156 6 0.0 1.0 0.0
150 uniform vec4 expect 14 14.1 14.2 14.3
151 draw rect patch 0.3 -1 0.09 0.09
152 probe rgb 168 6 0.0 1.0 0.0
155 uniform vec4 expect 15 15.1 15.2 15.3
156 draw rect patch 0.4 -1 0.09 0.09
157 probe rgb 181 6 0.0 1.0 0.0
160 uniform vec4 expect 16 16.1 16.2 16.3
161 draw rect patch 0.5 -1.0 0.09 0.09
162 probe rgb 193 6 0.0 1.0 0.0
165 uniform vec4 expect 17 17.1 17.2 17.3
166 draw rect patch -1 -0.9 0.09 0.09
167 probe rgb 6 18 0.0 1.0 0.0
170 uniform vec4 expect 18 18.1 18.2 18.3
171 draw rect patch -0.9 -0.9 0.09 0.09
172 probe rgb 18 18 0.0 1.0 0.0
175 uniform vec4 expect 19 19.1 19.2 19.3
176 draw rect patch -0.8 -0.9 0.09 0.09
177 probe rgb 31 18 0.0 1.0 0.0
180 uniform vec4 expect 20 20.1 20.2 20.3
181 draw rect patch -0.7 -0.9 0.09 0.09
182 probe rgb 43 18 0.0 1.0 0.0
185 uniform vec4 expect 21 21.1 21.2 21.3
186 draw rect patch -0.6 -0.9 0.09 0.09
187 probe rgb 56 18 0.0 1.0 0.0
190 uniform vec4 expect 22 22.1 22.2 22.3
191 draw rect patch -0.5 -0.9 0.09 0.09
192 probe rgb 68 18 0.0 1.0 0.0
195 uniform vec4 expect 23 23.1 23.2 23.3
196 draw rect patch -0.4 -0.9 0.09 0.09
197 probe rgb 81 18 0.0 1.0 0.0
200 uniform vec4 expect 24 24.1 24.2 24.3
201 draw rect patch -0.3 -0.9 0.09 0.09
202 probe rgb 93 18 0.0 1.0 0.0
205 uniform vec4 expect 25 25.1 25.2 25.3
206 draw rect patch -0.2 -0.9 0.09 0.09
207 probe rgb 106 18 0.0 1.0 0.0
210 uniform vec4 expect 26 26.1 26.2 26.3
211 draw rect patch -0.1 -0.9 0.09 0.09
212 probe rgb 118 18 0.0 1.0 0.0
215 uniform vec4 expect 27 27.1 27.2 27.3
216 draw rect patch 0 -0.9 0.09 0.09
217 probe rgb 131 18 0.0 1.0 0.0
220 uniform vec4 expect 28 28.1 28.2 28.3
221 draw rect patch 0.1 -0.9 0.09 0.09
222 probe rgb 143 18 0.0 1.0 0.0
225 uniform vec4 expect 29 29.1 29.2 29.3
226 draw rect patch 0.2 -0.9 0.09 0.09
227 probe rgb 156 18 0.0 1.0 0.0
230 uniform vec4 expect 30 30.1 30.2 30.3
231 draw rect patch 0.3 -0.9 0.09 0.09
232 probe rgb 168 18 0.0 1.0 0.0
235 uniform vec4 expect 31 31.1 31.2 31.3
236 draw rect patch 0.4 -0.9 0.09 0.09
237 probe rgb 181 18 0.0 1.0 0.0