Mesa (master): graw: add a gs test for non-sequential inputs

[Zack Rusin]

Module: Mesa
Branch: master
Commit: 9829ec2ad8cf74c6dbc7d8afbf36ddd5c5210d74
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=9829ec2ad8cf74c6dbc7d8afbf36ddd5c5210d74

Author: Zack Rusin <zackr at vmware.com>
Date:   Wed Jun 16 05:25:20 2010 -0400

graw: add a gs test for non-sequential inputs

---

 .../tests/graw/geometry-shader/mov-non-seq.txt     |   23 ++++++++++++
 src/gallium/tests/graw/gs-test.c                   |   39 +++++++++++++++-----
 2 files changed, 52 insertions(+), 10 deletions(-)

diff --git a/src/gallium/tests/graw/geometry-shader/mov-non-seq.txt b/src/gallium/tests/graw/geometry-shader/mov-non-seq.txt
new file mode 100644
index 0000000..e0f6574
--- /dev/null
+++ b/src/gallium/tests/graw/geometry-shader/mov-non-seq.txt
@@ -0,0 +1,23 @@
+GEOM
+PROPERTY GS_INPUT_PRIMITIVE TRIANGLES
+PROPERTY GS_OUTPUT_PRIMITIVE TRIANGLE_STRIP
+DCL IN[][0], POSITION, CONSTANT
+DCL IN[][3], GENERIC[1], CONSTANT
+DCL OUT[0], POSITION, CONSTANT
+DCL OUT[1], COLOR, CONSTANT
+
+MOV OUT[0], IN[0][0]
+MOV OUT[1], IN[0][3]
+EMIT
+
+MOV OUT[0], IN[1][0]
+MOV OUT[1], IN[1][3]
+EMIT
+
+MOV OUT[0], IN[2][0]
+MOV OUT[1], IN[2][3]
+EMIT
+
+ENDPRIM
+
+END
diff --git a/src/gallium/tests/graw/gs-test.c b/src/gallium/tests/graw/gs-test.c
index 94d6fed..3087d44 100644
--- a/src/gallium/tests/graw/gs-test.c
+++ b/src/gallium/tests/graw/gs-test.c
@@ -56,6 +56,7 @@ struct vertex {
    float position[4];
    float color[4];
    float texcoord[4];
+   float generic[4];
 };
 
 /* Vertex data matches progs/fp/fp-tri.c, but flipped in Y dimension
@@ -65,34 +66,48 @@ static struct vertex vertices[] =
 {
    { { 0.9, 0.9, 0.0, 1.0 },
      { 0, 0, 1, 1 },
-     { 1, 1, 0, 1 } },
+     { 1, 1, 0, 1 },
+     { 1, 0, 1, 0 }
+   },
 
    { { 0.9,  -0.9, 0.0, 1.0 },
      { 1, 0, 0, 1 },
-     { 1, -1, 0, 1 } },
+     { 1, -1, 0, 1 },
+     { 0, 1, 0, 1 }
+   },
 
    { {-0.9,  0.0, 0.0, 1.0 },
      { 0, 1, 0, 1 },
-     { -1, 0, 0, 1 } },
+     { -1, 0, 0, 1 },
+     { 0, 0, 1, 1 }
+   },
 };
 
 static struct vertex vertices_strip[] =
 {
    { { 0.9, 0.9, 0.0, 1.0 },
      { 0, 0, 1, 1 },
-     { 1, 1, 0, 1 } },
+     { 1, 1, 0, 1 },
+     { 1, 0, 0, 1 }
+   },
 
    { { 0.9,  -0.9, 0.0, 1.0 },
      { 1, 0, 0, 1 },
-     { 1, -1, 0, 1 } },
+     { 1, -1, 0, 1 },
+     { 0, 1, 0, 1 }
+   },
 
    { {-0.9,  0.9, 0.0, 1.0 },
      { 0, 1, 0, 1 },
-     { -1, 1, 0, 1 } },
+     { -1, 1, 0, 1 },
+     { 0, 0, 1, 1 }
+   },
 
    { {-0.9,  -0.9, 0.0, 1.0 },
      { 1, 1, 0, 1 },
-     { -1, -1, 0, 1 } },
+     { -1, -1, 0, 1 },
+     { 1, 1, 0, 1 }
+   },
 };
 
 static float constants1[] =
@@ -214,7 +229,7 @@ static void set_viewport( float x, float y,
 
 static void set_vertices( void )
 {
-   struct pipe_vertex_element ve[3];
+   struct pipe_vertex_element ve[4];
    struct pipe_vertex_buffer vbuf;
    void *handle;
 
@@ -226,11 +241,12 @@ static void set_vertices( void )
    ve[1].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
    ve[2].src_offset = Offset(struct vertex, texcoord);
    ve[2].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
+   ve[3].src_offset = Offset(struct vertex, generic);
+   ve[3].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
 
-   handle = ctx->create_vertex_elements_state(ctx, 3, ve);
+   handle = ctx->create_vertex_elements_state(ctx, 4, ve);
    ctx->bind_vertex_elements_state(ctx, handle);
 
-
    vbuf.stride = sizeof( struct vertex );
    vbuf.buffer_offset = 0;
    if (draw_strip) {
@@ -258,12 +274,15 @@ static void set_vertex_shader( void )
       "DCL IN[0]\n"
       "DCL IN[1]\n"
       "DCL IN[2]\n"
+      "DCL IN[3]\n"
       "DCL OUT[0], POSITION\n"
       "DCL OUT[1], COLOR[0]\n"
       "DCL OUT[2], GENERIC[0]\n"
+      "DCL OUT[3], GENERIC[1]\n"
       "  MOV OUT[0], IN[0]\n"
       "  MOV OUT[1], IN[1]\n"
       "  MOV OUT[2], IN[2]\n"
+      "  MOV OUT[3], IN[3]\n"
       "  END\n";
 
    handle = graw_parse_vertex_shader(ctx, text);