[Piglit] [PATCH 1/2] draw-vertices-2101010: add half-scale color tests

[Chris Forbes]

Picks up the driver not bothering to normalize attribute values.
This was broken in an early version of my i965 support for this
extension.

Signed-off-by: Chris Forbes <chrisf at ijw.co.nz>
---
 .../arb_vertex_type_2_10_10_10_rev/draw-vertices-2101010.c     | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/tests/spec/arb_vertex_type_2_10_10_10_rev/draw-vertices-2101010.c b/tests/spec/arb_vertex_type_2_10_10_10_rev/draw-vertices-2101010.c
index a4abf35..0b17415 100644
--- a/tests/spec/arb_vertex_type_2_10_10_10_rev/draw-vertices-2101010.c
+++ b/tests/spec/arb_vertex_type_2_10_10_10_rev/draw-vertices-2101010.c
@@ -98,10 +98,14 @@ static void test_packed_int_color_vertices(float x1, float y1, float x2, float y
     v[1] = iconv(x1, y2, 0, 1);
     v[2] = iconv(x2, y1, 0, 1);
 
-    if (index == 0 || index == 2) {
+    if (index == 0 || index == 2 || index == 5) {
 	c[0] = iconv(511, 0, 0, 0);
 	c[1] = iconv(511, 0, 0, 0);
 	c[2] = iconv(511, 0, 0, 0);
+    } else if (index == 4) {
+	c[0] = iconv(254, 0, 0, 0);
+	c[1] = iconv(254, 0, 0, 0);
+	c[2] = iconv(254, 0, 0, 0);
     } else {
 	c[0] = conv(1023, 0, 0, 0);
 	c[1] = conv(1023, 0, 0, 0);
@@ -116,6 +120,8 @@ static void test_packed_int_color_vertices(float x1, float y1, float x2, float y
         case 1: vbo = vboColorPointer(4, GL_UNSIGNED_INT_2_10_10_10_REV, 4, c, sizeof(c), 0); break;
         case 2: vbo = vboColorPointer(GL_BGRA, GL_INT_2_10_10_10_REV, 4, c, sizeof(c), 0); break;
         case 3: vbo = vboColorPointer(GL_BGRA, GL_UNSIGNED_INT_2_10_10_10_REV, 4, c, sizeof(c), 0); break;
+        case 4: vbo = vboColorPointer(4, GL_INT_2_10_10_10_REV, 4, c, sizeof(c), 0); break;
+        case 5: vbo = vboColorPointer(4, GL_UNSIGNED_INT_2_10_10_10_REV, 4, c, sizeof(c), 0); break;
      }
 
     glDrawArrays(GL_TRIANGLES, 0, 3);
@@ -197,6 +203,8 @@ struct test tests[] = {
     {test_packed_int_color_vertices, 1, {1, 0, 0, 0}, "Unsigned Int Color - 2/10/10/10"},
     {test_packed_int_color_vertices, 2, {0, 0, 1, 0.333}, "Int BGRA Color - 2/10/10/10"},
     {test_packed_int_color_vertices, 3, {0, 0, 1, 0}, "Unsigned Int BGRA Color - 2/10/10/10"},
+    {test_packed_int_color_vertices, 4, {0.5f, 0, 0, 0}, "Half-scale Int Color - 2/10/10/10"},
+    {test_packed_int_color_vertices, 5, {0.5f, 0, 0, 0}, "Half-scale Unsigned Int Color - 2/10/10/10"},
 
     {test_int_vertices_abi, 0, {1, 0, 0, 1}, "Int 2/10/10/10 - test ABI" },
     {test_int_vertices_abi, 1, {1, 0, 0, 1}, "Unsigned 2/10/10/10 - test ABI" },
-- 
1.8.0