Add a unit test framework and some tests for the GLSL compiler

[libs/gl.git] / tests / glsl / multiple_emitvertex.glsl

diff --git a/tests/glsl/multiple_emitvertex.glsl b/tests/glsl/multiple_emitvertex.glsl
new file mode 100644 (file)
index 0000000..06c129d
--- /dev/null
+++ b/tests/glsl/multiple_emitvertex.glsl
@@ -0,0 +1,68 @@
+uniform sampler2D tex;
+
+#pragma MSP stage(vertex)
+layout(location=0) in vec4 position;
+void main()
+{
+       out vec2 texcoord = position.xy*0.5+0.5;
+       gl_Position = position;
+}
+
+#pragma MSP stage(geometry)
+layout(triangles) in;
+layout(triangles, max_vertices=3) out;
+void main()
+{
+       passthrough[0];
+       EmitVertex();
+       passthrough[1];
+       EmitVertex();
+       passthrough[2];
+       EmitVertex();
+}
+
+#pragma MSP stage(fragment)
+layout(location=0) out vec4 frag_color;
+void main()
+{
+       frag_color = texture(tex, texcoord);
+}
+
+/* Expected output: vertex
+layout(location=0) in vec4 position;
+out vec2 texcoord;
+void main()
+{
+       texcoord = position.xy*0.5+0.5;
+       gl_Position = position;
+}
+*/
+
+/* Expected output: geometry
+layout(triangles) in;
+layout(triangles, max_vertices=3) out;
+in vec2 texcoord[];
+out vec2 _gs_out_texcoord;
+void main()
+{
+       gl_Position = gl_in[0].gl_Position;
+       _gs_out_texcoord = texcoord[0];
+       EmitVertex();
+       gl_Position = gl_in[1].gl_Position;
+       _gs_out_texcoord = texcoord[1];
+       EmitVertex();
+       gl_Position = gl_in[2].gl_Position;
+       _gs_out_texcoord = texcoord[2];
+       EmitVertex();
+}
+*/
+
+/* Expected output: fragment
+uniform sampler2D tex;
+layout(location=0) out vec4 frag_color;
+in vec2 _gs_out_texcoord;
+void main()
+{
+       frag_color = texture(tex, _gs_out_texcoord);
+}
+*/