Add an even simpler version of primgen:

No clears (since those require the pixel pipeline to work)
No ortho
No colors
No drawing
Rasterizer Discard

2 files changed, 91 insertions, 0 deletions

diff --git a/tests/spec/ext_transform_feedback/CMakeLists.gl.txt b/tests/spec/ext_transform_feedback/CMakeLists.gl.txt
index 1d03abd94..641255411 100644
--- a/tests/spec/ext_transform_feedback/CMakeLists.gl.txt
+++ b/tests/spec/ext_transform_feedback/CMakeLists.gl.txt
@@ -30,6 +30,8 @@ piglit_add_executable (ext_transform_feedback-intervening-read intervening-read.
 piglit_add_executable (ext_transform_feedback-max-varyings max-varyings.c)
 piglit_add_executable (ext_transform_feedback-negative-prims negative-prims.c)
 piglit_add_executable (ext_transform_feedback-nonflat-integral nonflat-integral.c)
+piglit_add_executable (ext_transform_feedback-pipeline-basic-primgen
+pipeline-basic-primgen.c)
 piglit_add_executable (ext_transform_feedback-primgen primgen.c)
 piglit_add_executable (ext_transform_feedback-separate separate.c)
 piglit_add_executable (ext_transform_feedback-output-type output-type.c)
diff --git a/tests/spec/ext_transform_feedback/pipeline-basic-primgen.c b/tests/spec/ext_transform_feedback/pipeline-basic-primgen.c
new file mode 100644
index 000000000..4db1636e9
--- /dev/null
+++ b/tests/spec/ext_transform_feedback/pipeline-basic-primgen.c
@@ -0,0 +1,89 @@
+/*
+ * Copyright © 2013 Marek Olšák <maraeo@gmail.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+/**
+ * Tests if PRIMITIVES_GENERATED works with transform feedback disabled.
+ *
+ * From EXT_transform_feedback:
+ *    "the primitives-generated count is incremented every time a primitive
+ *     reaches the Discarding Rasterization stage"
+ */
+
+#include "piglit-util-gl-common.h"
+
+PIGLIT_GL_TEST_CONFIG_BEGIN
+
+	config.supports_gl_compat_version = 10;
+	config.window_visual = PIGLIT_GL_VISUAL_DOUBLE | PIGLIT_GL_VISUAL_RGBA;
+
+PIGLIT_GL_TEST_CONFIG_END
+
+static const char *vstext = "void main() { gl_Position = gl_Vertex; }";
+
+GLuint prog;
+GLuint q;
+
+void piglit_init(int argc, char **argv)
+{
+	unsigned qresult;
+	int expected = 2;
+	GLuint vs;
+
+	/* Check the driver. */
+	piglit_require_gl_version(15);
+	piglit_require_GLSL();
+	piglit_require_transform_feedback();
+
+	glGenQueries(1, &q);
+
+	glEnable(GL_RASTERIZER_DISCARD);
+
+	/* Create shaders. */
+	vs = piglit_compile_shader_text(GL_VERTEX_SHADER, vstext);
+	prog = glCreateProgram();
+	glAttachShader(prog, vs);
+	glLinkProgram(prog);
+	if (!piglit_link_check_status(prog)) {
+		glDeleteProgram(prog);
+		piglit_report_result(PIGLIT_FAIL);
+	}
+        glUseProgram(prog);
+
+	glBeginQuery(GL_PRIMITIVES_GENERATED, q);
+        piglit_draw_rect(-1, -1, 2, 2);
+	glEndQuery(GL_PRIMITIVES_GENERATED);
+	glGetQueryObjectuiv(q, GL_QUERY_RESULT, &qresult);
+
+        if (qresult != expected) {
+		printf("Primitives generated: %i,  Expected: %i\n",
+		       qresult, expected);
+		piglit_report_result(PIGLIT_FAIL);
+	}
+
+	piglit_report_result(PIGLIT_PASS);
+}
+
+enum piglit_result piglit_display(void)
+{
+	return PIGLIT_FAIL; /* should not get here */
+}