[Piglit] [PATCH 3/9] arb_tessellation_shader: test indirect writes to TCS outputs before a barrier
Marek Olšák
maraeo at gmail.com
Tue Jun 16 13:57:36 PDT 2015
From: Marek Olšák <marek.olsak at amd.com>
---
...array-float-index-wr-before-barrier.shader_test | 223 +++++++++++++++++++++
...-array-vec2-index-wr-before-barrier.shader_test | 223 +++++++++++++++++++++
...-array-vec3-index-wr-before-barrier.shader_test | 223 +++++++++++++++++++++
...-array-vec4-index-wr-before-barrier.shader_test | 223 +++++++++++++++++++++
4 files changed, 892 insertions(+)
create mode 100644 tests/spec/arb_tessellation_shader/execution/variable-indexing/tcs-output-array-float-index-wr-before-barrier.shader_test
create mode 100644 tests/spec/arb_tessellation_shader/execution/variable-indexing/tcs-output-array-vec2-index-wr-before-barrier.shader_test
create mode 100644 tests/spec/arb_tessellation_shader/execution/variable-indexing/tcs-output-array-vec3-index-wr-before-barrier.shader_test
create mode 100644 tests/spec/arb_tessellation_shader/execution/variable-indexing/tcs-output-array-vec4-index-wr-before-barrier.shader_test
diff --git a/tests/spec/arb_tessellation_shader/execution/variable-indexing/tcs-output-array-float-index-wr-before-barrier.shader_test b/tests/spec/arb_tessellation_shader/execution/variable-indexing/tcs-output-array-float-index-wr-before-barrier.shader_test
new file mode 100644
index 0000000..8e01a57
--- /dev/null
+++ b/tests/spec/arb_tessellation_shader/execution/variable-indexing/tcs-output-array-float-index-wr-before-barrier.shader_test
@@ -0,0 +1,223 @@
+[require]
+GLSL >= 1.50
+GL_ARB_tessellation_shader
+
+[vertex shader]
+#version 150
+
+in vec4 piglit_vertex;
+
+void main()
+{
+ gl_Position = piglit_vertex;
+}
+
+[tessellation control shader]
+#version 150
+#extension GL_ARB_tessellation_shader : require
+layout(vertices = 4) out;
+
+uniform int index;
+out block {
+ float m1[16];
+ float m2[14];
+} var[];
+out vec4 color[];
+
+void main()
+{
+ for (int i = 0; i < 16; i++)
+ var[gl_InvocationID].m1[i] = 1.0 + float(i);
+
+ for (int i = 0; i < 14; i++)
+ var[gl_InvocationID].m2[i] = 1.0 + float(16+i);
+
+ if (index >= 16)
+ var[gl_InvocationID].m2[index-16] = 0.0;
+ else
+ var[gl_InvocationID].m1[index] = 0.0;
+
+ gl_out[gl_InvocationID].gl_Position = gl_in[gl_InvocationID].gl_Position;
+ gl_TessLevelOuter = float[4](1.0, 1.0, 1.0, 1.0);
+ gl_TessLevelInner = float[2](1.0, 1.0);
+
+ barrier();
+
+ bool pass = true;
+
+ for (int i = 0; i < 16; i++) {
+ float x = var[(gl_InvocationID + 1) % gl_PatchVerticesIn].m1[i];
+
+ pass = pass && x == (index == i ?
+ 0.0 :
+ 1.0 + float(i));
+ }
+
+ for (int i = 0; i < 14; i++) {
+ float x = var[(gl_InvocationID + 1) % gl_PatchVerticesIn].m2[i];
+
+ pass = pass && x == (index == 16+i ?
+ 0.0 :
+ 17.0 + float(i));
+ }
+
+ color[gl_InvocationID] = pass ? vec4(0.0, 1.0, 0.0, 1.0) : vec4(1.0, 0.0, 0.0, 1.0);
+}
+
+[tessellation evaluation shader]
+#version 150
+#extension GL_ARB_tessellation_shader : require
+layout(quads, equal_spacing) in;
+
+uniform int index;
+in vec4 color[];
+out vec4 fscolor;
+
+#define INTERP_QUADj(INj, OUT) do { \
+ vec4 v[4]; \
+ for (int j = 0; j < 4; j++) v[j] = INj; \
+ OUT = mix(mix(v[0], v[1], gl_TessCoord[0]), mix(v[2], v[3], gl_TessCoord[0]), \
+ gl_TessCoord[1]); \
+} while(false)
+
+void main() {
+ INTERP_QUADj(color[j], fscolor);
+ INTERP_QUADj(gl_in[j].gl_Position, gl_Position);
+}
+
+[fragment shader]
+#version 150
+in vec4 fscolor;
+out vec4 outcolor;
+
+void main()
+{
+ outcolor = fscolor;
+}
+
+[test]
+clear color 0.5 0.5 0.5 0.5
+clear
+
+patch parameter vertices 4
+
+uniform int index 0
+draw rect patch -1 -1 0.09 0.09
+#draw arrays GL_PATCHES 0 4
+probe rgb 6 6 0.0 1.0 0.0
+
+uniform int index 1
+draw rect patch -0.9 -1 0.09 0.09
+probe rgb 18 6 0.0 1.0 0.0
+
+uniform int index 2
+draw rect patch -0.8 -1 0.09 0.09
+probe rgb 31 6 0.0 1.0 0.0
+
+uniform int index 3
+draw rect patch -0.7 -1 0.09 0.09
+probe rgb 43 6 0.0 1.0 0.0
+
+uniform int index 4
+draw rect patch -0.6 -1 0.09 0.09
+probe rgb 56 6 0.0 1.0 0.0
+
+uniform int index 5
+draw rect patch -0.5 -1 0.09 0.09
+probe rgb 68 6 0.0 1.0 0.0
+
+uniform int index 6
+draw rect patch -0.4 -1 0.09 0.09
+probe rgb 81 6 0.0 1.0 0.0
+
+uniform int index 7
+draw rect patch -0.3 -1 0.09 0.09
+probe rgb 93 6 0.0 1.0 0.0
+
+uniform int index 8
+draw rect patch -0.2 -1 0.09 0.09
+probe rgb 106 6 0.0 1.0 0.0
+
+uniform int index 9
+draw rect patch -0.1 -1 0.09 0.09
+probe rgb 118 6 0.0 1.0 0.0
+
+uniform int index 10
+draw rect patch 0 -1 0.09 0.09
+probe rgb 131 6 0.0 1.0 0.0
+
+uniform int index 11
+draw rect patch 0.1 -1 0.09 0.09
+probe rgb 143 6 0.0 1.0 0.0
+
+uniform int index 12
+draw rect patch 0.2 -1 0.09 0.09
+probe rgb 156 6 0.0 1.0 0.0
+
+uniform int index 13
+draw rect patch 0.3 -1 0.09 0.09
+probe rgb 168 6 0.0 1.0 0.0
+
+uniform int index 14
+draw rect patch 0.4 -1 0.09 0.09
+probe rgb 181 6 0.0 1.0 0.0
+
+uniform int index 15
+draw rect patch 0.5 -1.0 0.09 0.09
+probe rgb 193 6 0.0 1.0 0.0
+
+uniform int index 16
+draw rect patch -1 -0.9 0.09 0.09
+probe rgb 6 18 0.0 1.0 0.0
+
+uniform int index 17
+draw rect patch -0.9 -0.9 0.09 0.09
+probe rgb 18 18 0.0 1.0 0.0
+
+uniform int index 18
+draw rect patch -0.8 -0.9 0.09 0.09
+probe rgb 31 18 0.0 1.0 0.0
+
+uniform int index 19
+draw rect patch -0.7 -0.9 0.09 0.09
+probe rgb 43 18 0.0 1.0 0.0
+
+uniform int index 20
+draw rect patch -0.6 -0.9 0.09 0.09
+probe rgb 56 18 0.0 1.0 0.0
+
+uniform int index 21
+draw rect patch -0.5 -0.9 0.09 0.09
+probe rgb 68 18 0.0 1.0 0.0
+
+uniform int index 22
+draw rect patch -0.4 -0.9 0.09 0.09
+probe rgb 81 18 0.0 1.0 0.0
+
+uniform int index 23
+draw rect patch -0.3 -0.9 0.09 0.09
+probe rgb 93 18 0.0 1.0 0.0
+
+uniform int index 24
+draw rect patch -0.2 -0.9 0.09 0.09
+probe rgb 106 18 0.0 1.0 0.0
+
+uniform int index 25
+draw rect patch -0.1 -0.9 0.09 0.09
+probe rgb 118 18 0.0 1.0 0.0
+
+uniform int index 26
+draw rect patch 0 -0.9 0.09 0.09
+probe rgb 131 18 0.0 1.0 0.0
+
+uniform int index 27
+draw rect patch 0.1 -0.9 0.09 0.09
+probe rgb 143 18 0.0 1.0 0.0
+
+uniform int index 28
+draw rect patch 0.2 -0.9 0.09 0.09
+probe rgb 156 18 0.0 1.0 0.0
+
+uniform int index 29
+draw rect patch 0.3 -0.9 0.09 0.09
+probe rgb 168 18 0.0 1.0 0.0
diff --git a/tests/spec/arb_tessellation_shader/execution/variable-indexing/tcs-output-array-vec2-index-wr-before-barrier.shader_test b/tests/spec/arb_tessellation_shader/execution/variable-indexing/tcs-output-array-vec2-index-wr-before-barrier.shader_test
new file mode 100644
index 0000000..51e1a69
--- /dev/null
+++ b/tests/spec/arb_tessellation_shader/execution/variable-indexing/tcs-output-array-vec2-index-wr-before-barrier.shader_test
@@ -0,0 +1,223 @@
+[require]
+GLSL >= 1.50
+GL_ARB_tessellation_shader
+
+[vertex shader]
+#version 150
+
+in vec4 piglit_vertex;
+
+void main()
+{
+ gl_Position = piglit_vertex;
+}
+
+[tessellation control shader]
+#version 150
+#extension GL_ARB_tessellation_shader : require
+layout(vertices = 4) out;
+
+uniform int index;
+out block {
+ vec2 m1[16];
+ vec2 m2[14];
+} var[];
+out vec4 color[];
+
+void main()
+{
+ for (int i = 0; i < 16; i++)
+ var[gl_InvocationID].m1[i] = vec2(1.0, 1.1) + vec2(i);
+
+ for (int i = 0; i < 14; i++)
+ var[gl_InvocationID].m2[i] = vec2(1.0, 1.1) + vec2(16+i);
+
+ if (index >= 16)
+ var[gl_InvocationID].m2[index-16] = vec2(0.0, 0.1);
+ else
+ var[gl_InvocationID].m1[index] = vec2(0.0, 0.1);
+
+ gl_out[gl_InvocationID].gl_Position = gl_in[gl_InvocationID].gl_Position;
+ gl_TessLevelOuter = float[4](1.0, 1.0, 1.0, 1.0);
+ gl_TessLevelInner = float[2](1.0, 1.0);
+
+ barrier();
+
+ bool pass = true;
+
+ for (int i = 0; i < 16; i++) {
+ vec2 x = var[(gl_InvocationID + 1) % gl_PatchVerticesIn].m1[i];
+
+ pass = pass && x == (index == i ?
+ vec2(0.0, 0.1) :
+ vec2(1.0, 1.1) + vec2(i));
+ }
+
+ for (int i = 0; i < 14; i++) {
+ vec2 x = var[(gl_InvocationID + 1) % gl_PatchVerticesIn].m2[i];
+
+ pass = pass && x == (index == 16+i ?
+ vec2(0.0, 0.1) :
+ vec2(17.0, 17.1) + vec2(i));
+ }
+
+ color[gl_InvocationID] = pass ? vec4(0.0, 1.0, 0.0, 1.0) : vec4(1.0, 0.0, 0.0, 1.0);
+}
+
+[tessellation evaluation shader]
+#version 150
+#extension GL_ARB_tessellation_shader : require
+layout(quads, equal_spacing) in;
+
+uniform int index;
+in vec4 color[];
+out vec4 fscolor;
+
+#define INTERP_QUADj(INj, OUT) do { \
+ vec4 v[4]; \
+ for (int j = 0; j < 4; j++) v[j] = INj; \
+ OUT = mix(mix(v[0], v[1], gl_TessCoord[0]), mix(v[2], v[3], gl_TessCoord[0]), \
+ gl_TessCoord[1]); \
+} while(false)
+
+void main() {
+ INTERP_QUADj(color[j], fscolor);
+ INTERP_QUADj(gl_in[j].gl_Position, gl_Position);
+}
+
+[fragment shader]
+#version 150
+in vec4 fscolor;
+out vec4 outcolor;
+
+void main()
+{
+ outcolor = fscolor;
+}
+
+[test]
+clear color 0.5 0.5 0.5 0.5
+clear
+
+patch parameter vertices 4
+
+uniform int index 0
+draw rect patch -1 -1 0.09 0.09
+#draw arrays GL_PATCHES 0 4
+probe rgb 6 6 0.0 1.0 0.0
+
+uniform int index 1
+draw rect patch -0.9 -1 0.09 0.09
+probe rgb 18 6 0.0 1.0 0.0
+
+uniform int index 2
+draw rect patch -0.8 -1 0.09 0.09
+probe rgb 31 6 0.0 1.0 0.0
+
+uniform int index 3
+draw rect patch -0.7 -1 0.09 0.09
+probe rgb 43 6 0.0 1.0 0.0
+
+uniform int index 4
+draw rect patch -0.6 -1 0.09 0.09
+probe rgb 56 6 0.0 1.0 0.0
+
+uniform int index 5
+draw rect patch -0.5 -1 0.09 0.09
+probe rgb 68 6 0.0 1.0 0.0
+
+uniform int index 6
+draw rect patch -0.4 -1 0.09 0.09
+probe rgb 81 6 0.0 1.0 0.0
+
+uniform int index 7
+draw rect patch -0.3 -1 0.09 0.09
+probe rgb 93 6 0.0 1.0 0.0
+
+uniform int index 8
+draw rect patch -0.2 -1 0.09 0.09
+probe rgb 106 6 0.0 1.0 0.0
+
+uniform int index 9
+draw rect patch -0.1 -1 0.09 0.09
+probe rgb 118 6 0.0 1.0 0.0
+
+uniform int index 10
+draw rect patch 0 -1 0.09 0.09
+probe rgb 131 6 0.0 1.0 0.0
+
+uniform int index 11
+draw rect patch 0.1 -1 0.09 0.09
+probe rgb 143 6 0.0 1.0 0.0
+
+uniform int index 12
+draw rect patch 0.2 -1 0.09 0.09
+probe rgb 156 6 0.0 1.0 0.0
+
+uniform int index 13
+draw rect patch 0.3 -1 0.09 0.09
+probe rgb 168 6 0.0 1.0 0.0
+
+uniform int index 14
+draw rect patch 0.4 -1 0.09 0.09
+probe rgb 181 6 0.0 1.0 0.0
+
+uniform int index 15
+draw rect patch 0.5 -1.0 0.09 0.09
+probe rgb 193 6 0.0 1.0 0.0
+
+uniform int index 16
+draw rect patch -1 -0.9 0.09 0.09
+probe rgb 6 18 0.0 1.0 0.0
+
+uniform int index 17
+draw rect patch -0.9 -0.9 0.09 0.09
+probe rgb 18 18 0.0 1.0 0.0
+
+uniform int index 18
+draw rect patch -0.8 -0.9 0.09 0.09
+probe rgb 31 18 0.0 1.0 0.0
+
+uniform int index 19
+draw rect patch -0.7 -0.9 0.09 0.09
+probe rgb 43 18 0.0 1.0 0.0
+
+uniform int index 20
+draw rect patch -0.6 -0.9 0.09 0.09
+probe rgb 56 18 0.0 1.0 0.0
+
+uniform int index 21
+draw rect patch -0.5 -0.9 0.09 0.09
+probe rgb 68 18 0.0 1.0 0.0
+
+uniform int index 22
+draw rect patch -0.4 -0.9 0.09 0.09
+probe rgb 81 18 0.0 1.0 0.0
+
+uniform int index 23
+draw rect patch -0.3 -0.9 0.09 0.09
+probe rgb 93 18 0.0 1.0 0.0
+
+uniform int index 24
+draw rect patch -0.2 -0.9 0.09 0.09
+probe rgb 106 18 0.0 1.0 0.0
+
+uniform int index 25
+draw rect patch -0.1 -0.9 0.09 0.09
+probe rgb 118 18 0.0 1.0 0.0
+
+uniform int index 26
+draw rect patch 0 -0.9 0.09 0.09
+probe rgb 131 18 0.0 1.0 0.0
+
+uniform int index 27
+draw rect patch 0.1 -0.9 0.09 0.09
+probe rgb 143 18 0.0 1.0 0.0
+
+uniform int index 28
+draw rect patch 0.2 -0.9 0.09 0.09
+probe rgb 156 18 0.0 1.0 0.0
+
+uniform int index 29
+draw rect patch 0.3 -0.9 0.09 0.09
+probe rgb 168 18 0.0 1.0 0.0
diff --git a/tests/spec/arb_tessellation_shader/execution/variable-indexing/tcs-output-array-vec3-index-wr-before-barrier.shader_test b/tests/spec/arb_tessellation_shader/execution/variable-indexing/tcs-output-array-vec3-index-wr-before-barrier.shader_test
new file mode 100644
index 0000000..5f820f6
--- /dev/null
+++ b/tests/spec/arb_tessellation_shader/execution/variable-indexing/tcs-output-array-vec3-index-wr-before-barrier.shader_test
@@ -0,0 +1,223 @@
+[require]
+GLSL >= 1.50
+GL_ARB_tessellation_shader
+
+[vertex shader]
+#version 150
+
+in vec4 piglit_vertex;
+
+void main()
+{
+ gl_Position = piglit_vertex;
+}
+
+[tessellation control shader]
+#version 150
+#extension GL_ARB_tessellation_shader : require
+layout(vertices = 4) out;
+
+uniform int index;
+out block {
+ vec3 m1[16];
+ vec3 m2[14];
+} var[];
+out vec4 color[];
+
+void main()
+{
+ for (int i = 0; i < 16; i++)
+ var[gl_InvocationID].m1[i] = vec3(1.0, 1.1, 1.2) + vec3(i);
+
+ for (int i = 0; i < 14; i++)
+ var[gl_InvocationID].m2[i] = vec3(1.0, 1.1, 1.2) + vec3(16+i);
+
+ if (index >= 16)
+ var[gl_InvocationID].m2[index-16] = vec3(0.0, 0.1, 0.2);
+ else
+ var[gl_InvocationID].m1[index] = vec3(0.0, 0.1, 0.2);
+
+ gl_out[gl_InvocationID].gl_Position = gl_in[gl_InvocationID].gl_Position;
+ gl_TessLevelOuter = float[4](1.0, 1.0, 1.0, 1.0);
+ gl_TessLevelInner = float[2](1.0, 1.0);
+
+ barrier();
+
+ bool pass = true;
+
+ for (int i = 0; i < 16; i++) {
+ vec3 x = var[(gl_InvocationID + 1) % gl_PatchVerticesIn].m1[i];
+
+ pass = pass && x == (index == i ?
+ vec3(0.0, 0.1, 0.2) :
+ vec3(1.0, 1.1, 1.2) + vec3(i));
+ }
+
+ for (int i = 0; i < 14; i++) {
+ vec3 x = var[(gl_InvocationID + 1) % gl_PatchVerticesIn].m2[i];
+
+ pass = pass && x == (index == 16+i ?
+ vec3(0.0, 0.1, 0.2) :
+ vec3(17.0, 17.1, 17.2) + vec3(i));
+ }
+
+ color[gl_InvocationID] = pass ? vec4(0.0, 1.0, 0.0, 1.0) : vec4(1.0, 0.0, 0.0, 1.0);
+}
+
+[tessellation evaluation shader]
+#version 150
+#extension GL_ARB_tessellation_shader : require
+layout(quads, equal_spacing) in;
+
+uniform int index;
+in vec4 color[];
+out vec4 fscolor;
+
+#define INTERP_QUADj(INj, OUT) do { \
+ vec4 v[4]; \
+ for (int j = 0; j < 4; j++) v[j] = INj; \
+ OUT = mix(mix(v[0], v[1], gl_TessCoord[0]), mix(v[2], v[3], gl_TessCoord[0]), \
+ gl_TessCoord[1]); \
+} while(false)
+
+void main() {
+ INTERP_QUADj(color[j], fscolor);
+ INTERP_QUADj(gl_in[j].gl_Position, gl_Position);
+}
+
+[fragment shader]
+#version 150
+in vec4 fscolor;
+out vec4 outcolor;
+
+void main()
+{
+ outcolor = fscolor;
+}
+
+[test]
+clear color 0.5 0.5 0.5 0.5
+clear
+
+patch parameter vertices 4
+
+uniform int index 0
+draw rect patch -1 -1 0.09 0.09
+#draw arrays GL_PATCHES 0 4
+probe rgb 6 6 0.0 1.0 0.0
+
+uniform int index 1
+draw rect patch -0.9 -1 0.09 0.09
+probe rgb 18 6 0.0 1.0 0.0
+
+uniform int index 2
+draw rect patch -0.8 -1 0.09 0.09
+probe rgb 31 6 0.0 1.0 0.0
+
+uniform int index 3
+draw rect patch -0.7 -1 0.09 0.09
+probe rgb 43 6 0.0 1.0 0.0
+
+uniform int index 4
+draw rect patch -0.6 -1 0.09 0.09
+probe rgb 56 6 0.0 1.0 0.0
+
+uniform int index 5
+draw rect patch -0.5 -1 0.09 0.09
+probe rgb 68 6 0.0 1.0 0.0
+
+uniform int index 6
+draw rect patch -0.4 -1 0.09 0.09
+probe rgb 81 6 0.0 1.0 0.0
+
+uniform int index 7
+draw rect patch -0.3 -1 0.09 0.09
+probe rgb 93 6 0.0 1.0 0.0
+
+uniform int index 8
+draw rect patch -0.2 -1 0.09 0.09
+probe rgb 106 6 0.0 1.0 0.0
+
+uniform int index 9
+draw rect patch -0.1 -1 0.09 0.09
+probe rgb 118 6 0.0 1.0 0.0
+
+uniform int index 10
+draw rect patch 0 -1 0.09 0.09
+probe rgb 131 6 0.0 1.0 0.0
+
+uniform int index 11
+draw rect patch 0.1 -1 0.09 0.09
+probe rgb 143 6 0.0 1.0 0.0
+
+uniform int index 12
+draw rect patch 0.2 -1 0.09 0.09
+probe rgb 156 6 0.0 1.0 0.0
+
+uniform int index 13
+draw rect patch 0.3 -1 0.09 0.09
+probe rgb 168 6 0.0 1.0 0.0
+
+uniform int index 14
+draw rect patch 0.4 -1 0.09 0.09
+probe rgb 181 6 0.0 1.0 0.0
+
+uniform int index 15
+draw rect patch 0.5 -1.0 0.09 0.09
+probe rgb 193 6 0.0 1.0 0.0
+
+uniform int index 16
+draw rect patch -1 -0.9 0.09 0.09
+probe rgb 6 18 0.0 1.0 0.0
+
+uniform int index 17
+draw rect patch -0.9 -0.9 0.09 0.09
+probe rgb 18 18 0.0 1.0 0.0
+
+uniform int index 18
+draw rect patch -0.8 -0.9 0.09 0.09
+probe rgb 31 18 0.0 1.0 0.0
+
+uniform int index 19
+draw rect patch -0.7 -0.9 0.09 0.09
+probe rgb 43 18 0.0 1.0 0.0
+
+uniform int index 20
+draw rect patch -0.6 -0.9 0.09 0.09
+probe rgb 56 18 0.0 1.0 0.0
+
+uniform int index 21
+draw rect patch -0.5 -0.9 0.09 0.09
+probe rgb 68 18 0.0 1.0 0.0
+
+uniform int index 22
+draw rect patch -0.4 -0.9 0.09 0.09
+probe rgb 81 18 0.0 1.0 0.0
+
+uniform int index 23
+draw rect patch -0.3 -0.9 0.09 0.09
+probe rgb 93 18 0.0 1.0 0.0
+
+uniform int index 24
+draw rect patch -0.2 -0.9 0.09 0.09
+probe rgb 106 18 0.0 1.0 0.0
+
+uniform int index 25
+draw rect patch -0.1 -0.9 0.09 0.09
+probe rgb 118 18 0.0 1.0 0.0
+
+uniform int index 26
+draw rect patch 0 -0.9 0.09 0.09
+probe rgb 131 18 0.0 1.0 0.0
+
+uniform int index 27
+draw rect patch 0.1 -0.9 0.09 0.09
+probe rgb 143 18 0.0 1.0 0.0
+
+uniform int index 28
+draw rect patch 0.2 -0.9 0.09 0.09
+probe rgb 156 18 0.0 1.0 0.0
+
+uniform int index 29
+draw rect patch 0.3 -0.9 0.09 0.09
+probe rgb 168 18 0.0 1.0 0.0
diff --git a/tests/spec/arb_tessellation_shader/execution/variable-indexing/tcs-output-array-vec4-index-wr-before-barrier.shader_test b/tests/spec/arb_tessellation_shader/execution/variable-indexing/tcs-output-array-vec4-index-wr-before-barrier.shader_test
new file mode 100644
index 0000000..35d3f4f
--- /dev/null
+++ b/tests/spec/arb_tessellation_shader/execution/variable-indexing/tcs-output-array-vec4-index-wr-before-barrier.shader_test
@@ -0,0 +1,223 @@
+[require]
+GLSL >= 1.50
+GL_ARB_tessellation_shader
+
+[vertex shader]
+#version 150
+
+in vec4 piglit_vertex;
+
+void main()
+{
+ gl_Position = piglit_vertex;
+}
+
+[tessellation control shader]
+#version 150
+#extension GL_ARB_tessellation_shader : require
+layout(vertices = 4) out;
+
+uniform int index;
+out block {
+ vec4 m1[16];
+ vec4 m2[14];
+} var[];
+out vec4 color[];
+
+void main()
+{
+ for (int i = 0; i < 16; i++)
+ var[gl_InvocationID].m1[i] = vec4(1.0, 1.1, 1.2, 1.3) + vec4(i);
+
+ for (int i = 0; i < 14; i++)
+ var[gl_InvocationID].m2[i] = vec4(1.0, 1.1, 1.2, 1.3) + vec4(16+i);
+
+ if (index >= 16)
+ var[gl_InvocationID].m2[index-16] = vec4(0.0, 0.1, 0.2, 0.3);
+ else
+ var[gl_InvocationID].m1[index] = vec4(0.0, 0.1, 0.2, 0.3);
+
+ gl_out[gl_InvocationID].gl_Position = gl_in[gl_InvocationID].gl_Position;
+ gl_TessLevelOuter = float[4](1.0, 1.0, 1.0, 1.0);
+ gl_TessLevelInner = float[2](1.0, 1.0);
+
+ barrier();
+
+ bool pass = true;
+
+ for (int i = 0; i < 16; i++) {
+ vec4 x = var[(gl_InvocationID + 1) % gl_PatchVerticesIn].m1[i];
+
+ pass = pass && x == (index == i ?
+ vec4(0.0, 0.1, 0.2, 0.3) :
+ vec4(1.0, 1.1, 1.2, 1.3) + vec4(i));
+ }
+
+ for (int i = 0; i < 14; i++) {
+ vec4 x = var[(gl_InvocationID + 1) % gl_PatchVerticesIn].m2[i];
+
+ pass = pass && x == (index == 16+i ?
+ vec4(0.0, 0.1, 0.2, 0.3) :
+ vec4(17.0, 17.1, 17.2, 17.3) + vec4(i));
+ }
+
+ color[gl_InvocationID] = pass ? vec4(0.0, 1.0, 0.0, 1.0) : vec4(1.0, 0.0, 0.0, 1.0);
+}
+
+[tessellation evaluation shader]
+#version 150
+#extension GL_ARB_tessellation_shader : require
+layout(quads, equal_spacing) in;
+
+uniform int index;
+in vec4 color[];
+out vec4 fscolor;
+
+#define INTERP_QUADj(INj, OUT) do { \
+ vec4 v[4]; \
+ for (int j = 0; j < 4; j++) v[j] = INj; \
+ OUT = mix(mix(v[0], v[1], gl_TessCoord[0]), mix(v[2], v[3], gl_TessCoord[0]), \
+ gl_TessCoord[1]); \
+} while(false)
+
+void main() {
+ INTERP_QUADj(color[j], fscolor);
+ INTERP_QUADj(gl_in[j].gl_Position, gl_Position);
+}
+
+[fragment shader]
+#version 150
+in vec4 fscolor;
+out vec4 outcolor;
+
+void main()
+{
+ outcolor = fscolor;
+}
+
+[test]
+clear color 0.5 0.5 0.5 0.5
+clear
+
+patch parameter vertices 4
+
+uniform int index 0
+draw rect patch -1 -1 0.09 0.09
+#draw arrays GL_PATCHES 0 4
+probe rgb 6 6 0.0 1.0 0.0
+
+uniform int index 1
+draw rect patch -0.9 -1 0.09 0.09
+probe rgb 18 6 0.0 1.0 0.0
+
+uniform int index 2
+draw rect patch -0.8 -1 0.09 0.09
+probe rgb 31 6 0.0 1.0 0.0
+
+uniform int index 3
+draw rect patch -0.7 -1 0.09 0.09
+probe rgb 43 6 0.0 1.0 0.0
+
+uniform int index 4
+draw rect patch -0.6 -1 0.09 0.09
+probe rgb 56 6 0.0 1.0 0.0
+
+uniform int index 5
+draw rect patch -0.5 -1 0.09 0.09
+probe rgb 68 6 0.0 1.0 0.0
+
+uniform int index 6
+draw rect patch -0.4 -1 0.09 0.09
+probe rgb 81 6 0.0 1.0 0.0
+
+uniform int index 7
+draw rect patch -0.3 -1 0.09 0.09
+probe rgb 93 6 0.0 1.0 0.0
+
+uniform int index 8
+draw rect patch -0.2 -1 0.09 0.09
+probe rgb 106 6 0.0 1.0 0.0
+
+uniform int index 9
+draw rect patch -0.1 -1 0.09 0.09
+probe rgb 118 6 0.0 1.0 0.0
+
+uniform int index 10
+draw rect patch 0 -1 0.09 0.09
+probe rgb 131 6 0.0 1.0 0.0
+
+uniform int index 11
+draw rect patch 0.1 -1 0.09 0.09
+probe rgb 143 6 0.0 1.0 0.0
+
+uniform int index 12
+draw rect patch 0.2 -1 0.09 0.09
+probe rgb 156 6 0.0 1.0 0.0
+
+uniform int index 13
+draw rect patch 0.3 -1 0.09 0.09
+probe rgb 168 6 0.0 1.0 0.0
+
+uniform int index 14
+draw rect patch 0.4 -1 0.09 0.09
+probe rgb 181 6 0.0 1.0 0.0
+
+uniform int index 15
+draw rect patch 0.5 -1.0 0.09 0.09
+probe rgb 193 6 0.0 1.0 0.0
+
+uniform int index 16
+draw rect patch -1 -0.9 0.09 0.09
+probe rgb 6 18 0.0 1.0 0.0
+
+uniform int index 17
+draw rect patch -0.9 -0.9 0.09 0.09
+probe rgb 18 18 0.0 1.0 0.0
+
+uniform int index 18
+draw rect patch -0.8 -0.9 0.09 0.09
+probe rgb 31 18 0.0 1.0 0.0
+
+uniform int index 19
+draw rect patch -0.7 -0.9 0.09 0.09
+probe rgb 43 18 0.0 1.0 0.0
+
+uniform int index 20
+draw rect patch -0.6 -0.9 0.09 0.09
+probe rgb 56 18 0.0 1.0 0.0
+
+uniform int index 21
+draw rect patch -0.5 -0.9 0.09 0.09
+probe rgb 68 18 0.0 1.0 0.0
+
+uniform int index 22
+draw rect patch -0.4 -0.9 0.09 0.09
+probe rgb 81 18 0.0 1.0 0.0
+
+uniform int index 23
+draw rect patch -0.3 -0.9 0.09 0.09
+probe rgb 93 18 0.0 1.0 0.0
+
+uniform int index 24
+draw rect patch -0.2 -0.9 0.09 0.09
+probe rgb 106 18 0.0 1.0 0.0
+
+uniform int index 25
+draw rect patch -0.1 -0.9 0.09 0.09
+probe rgb 118 18 0.0 1.0 0.0
+
+uniform int index 26
+draw rect patch 0 -0.9 0.09 0.09
+probe rgb 131 18 0.0 1.0 0.0
+
+uniform int index 27
+draw rect patch 0.1 -0.9 0.09 0.09
+probe rgb 143 18 0.0 1.0 0.0
+
+uniform int index 28
+draw rect patch 0.2 -0.9 0.09 0.09
+probe rgb 156 18 0.0 1.0 0.0
+
+uniform int index 29
+draw rect patch 0.3 -0.9 0.09 0.09
+probe rgb 168 18 0.0 1.0 0.0
--
2.1.0
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