Add an ARB_transform_feedback2 test.

5 files changed, 196 insertions, 0 deletions

diff --git a/tests/all.tests b/tests/all.tests
index 0ea2eff5f..f91c34e21 100644
--- a/tests/all.tests
+++ b/tests/all.tests
@@ -1191,6 +1191,10 @@ ext_transform_feedback['query-primitives_written-bufferrange-discard'] = 	PlainE
 ext_transform_feedback['interleaved-attribs'] = PlainExecTest(['ext_transform_feedback-interleaved', '-auto'])
 ext_transform_feedback['separate-attribs'] = PlainExecTest(['ext_transform_feedback-separate', '-auto'])
 
+arb_transform_feedback2 = Group()
+spec['ARB_transform_feedback2'] = arb_transform_feedback2
+arb_transform_feedback2['draw-auto'] = PlainExecTest(['arb_transform_feedback2-draw-auto', '-auto'])
+
 ati_draw_buffers = Group()
 spec['ATI_draw_buffers'] = ati_draw_buffers
 add_plain_test(ati_draw_buffers, 'ati_draw_buffers-arbfp')
diff --git a/tests/spec/CMakeLists.txt b/tests/spec/CMakeLists.txt
index 4fd529173..94c53b8a0 100644
--- a/tests/spec/CMakeLists.txt
+++ b/tests/spec/CMakeLists.txt
@@ -9,6 +9,7 @@ add_subdirectory (arb_shader_texture_lod/execution)
 add_subdirectory (ati_draw_buffers)
 add_subdirectory (arb_texture_compression)
 add_subdirectory (arb_texture_float)
+add_subdirectory (arb_transform_feedback2)
 add_subdirectory (ati_envmap_bumpmap)
 add_subdirectory (ext_fog_coord)
 add_subdirectory (ext_packed_depth_stencil)
diff --git a/tests/spec/arb_transform_feedback2/CMakeLists.gl.txt b/tests/spec/arb_transform_feedback2/CMakeLists.gl.txt
new file mode 100644
index 000000000..32b9a702c
--- /dev/null
+++ b/tests/spec/arb_transform_feedback2/CMakeLists.gl.txt
@@ -0,0 +1,17 @@
+include_directories(
+	${GLEXT_INCLUDE_DIR}
+	${OPENGL_INCLUDE_PATH}
+	${GLUT_INCLUDE_DIR}
+	${piglit_SOURCE_DIR}/tests/util
+)
+
+link_libraries (
+	piglitutil
+	${OPENGL_gl_LIBRARY}
+	${OPENGL_glu_LIBRARY}
+	${GLUT_glut_LIBRARY}
+)
+
+add_executable (arb_transform_feedback2-draw-auto draw-auto.c)
+
+# vim: ft=cmake:
diff --git a/tests/spec/arb_transform_feedback2/CMakeLists.txt b/tests/spec/arb_transform_feedback2/CMakeLists.txt
new file mode 100644
index 000000000..144a306f4
--- /dev/null
+++ b/tests/spec/arb_transform_feedback2/CMakeLists.txt
@@ -0,0 +1 @@
+piglit_include_target_api()
diff --git a/tests/spec/arb_transform_feedback2/draw-auto.c b/tests/spec/arb_transform_feedback2/draw-auto.c
new file mode 100644
index 000000000..350af30e8
--- /dev/null
+++ b/tests/spec/arb_transform_feedback2/draw-auto.c
@@ -0,0 +1,173 @@
+/*
+ * Copyright © 2011 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.
+ */
+
+/**
+ * Basic ARB_transform_feedback2 test.
+ *
+ * Test Pause, Resume, and DrawTF.
+ */
+
+#include "piglit-util.h"
+
+int piglit_width = 64;
+int piglit_height = 64;
+int piglit_window_mode = GLUT_DOUBLE | GLUT_RGB | GLUT_ALPHA;
+
+static const char *vstext = {
+	"void main() {"
+	"  gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;"
+	"  gl_FrontColor = gl_Color;"
+	"}"
+};
+static const char *vstext_notransform = {
+	"void main() {"
+	"  gl_Position = gl_Vertex + vec4(0.0, 0.625, 0.0, 0.0);"
+	"  gl_FrontColor = gl_Color;"
+	"}"
+};
+
+static const char *varyings[] = {"gl_FrontColor", "gl_Position"};
+GLuint buf;
+GLuint prog, prog_notransform;
+GLuint tfb;
+
+void piglit_init(int argc, char **argv)
+{
+	GLuint vs;
+	GLint maxcomps;
+
+	piglit_ortho_projection(piglit_width, piglit_height, GL_FALSE);
+
+	/* Check the driver. */
+	if (!GLEW_VERSION_1_5) {
+		fprintf(stderr, "OpenGL 1.5 required.\n");
+		piglit_report_result(PIGLIT_SKIP);
+	}
+	piglit_require_GLSL();
+	piglit_require_extension("GL_EXT_transform_feedback");
+	piglit_require_extension("GL_ARB_transform_feedback2");
+
+	glGetIntegerv(GL_MAX_TRANSFORM_FEEDBACK_INTERLEAVED_COMPONENTS_EXT, &maxcomps);
+	if (maxcomps < 8) {
+		fprintf(stderr, "Not enough interleaved components supported by transform feedback.\n");
+		piglit_report_result(PIGLIT_SKIP);
+	}
+
+	/* Create shaders. */
+	vs = piglit_compile_shader_text(GL_VERTEX_SHADER, vstext);
+	prog = piglit_CreateProgram();
+	piglit_AttachShader(prog, vs);
+	glTransformFeedbackVaryingsEXT(prog, sizeof(varyings)/sizeof(varyings[0]),
+				       varyings, GL_INTERLEAVED_ATTRIBS_EXT);
+	piglit_LinkProgram(prog);
+	if (!piglit_link_check_status(prog)) {
+		piglit_DeleteProgram(prog);
+		piglit_report_result(PIGLIT_FAIL);
+	}
+
+	vs = piglit_compile_shader_text(GL_VERTEX_SHADER, vstext_notransform);
+	prog_notransform = piglit_link_simple_program(vs, 0);
+
+	/* Set up transform feedback. */
+	glGenBuffers(1, &buf);
+	glBindBuffer(GL_TRANSFORM_FEEDBACK_BUFFER_EXT, buf);
+	glBufferData(GL_TRANSFORM_FEEDBACK_BUFFER_EXT,
+		     18*8*sizeof(float), NULL, GL_STREAM_READ);
+
+	glGenTransformFeedbacks(1, &tfb);
+	glBindTransformFeedback(GL_TRANSFORM_FEEDBACK, tfb);
+	glBindBufferBaseEXT(GL_TRANSFORM_FEEDBACK_BUFFER_EXT, 0, buf);
+	glBindTransformFeedback(GL_TRANSFORM_FEEDBACK, 0);
+
+	assert(glGetError() == 0);
+
+	glClearColor(0.2, 0.2, 0.2, 1.0);
+	glEnableClientState(GL_VERTEX_ARRAY);
+}
+
+enum piglit_result piglit_display(void)
+{
+	GLboolean pass = GL_TRUE;
+	static const float verts[] = {
+		10, 10,
+		10, 20,
+		20, 20,
+		20, 10
+	};
+	static const float red[] = {1, 0, 0};
+	static const float green[] = {0, 1, 0};
+	static const float blue[] = {0, 0, 1};
+	static const float clearcolor[] = {0.2, 0.2, 0.2};
+
+	glClear(GL_COLOR_BUFFER_BIT);
+
+	/* Render into the TFBO. */
+	piglit_UseProgram(prog);
+	glLoadIdentity();
+
+	glVertexPointer(2, GL_FLOAT, 0, verts);
+
+	glBindTransformFeedback(GL_TRANSFORM_FEEDBACK, tfb);
+	glBeginTransformFeedbackEXT(GL_TRIANGLES);
+	glColor3f(1, 0, 0);
+	glDrawArrays(GL_QUADS, 0, 4);
+	glPauseTransformFeedback();
+	glBindTransformFeedback(GL_TRANSFORM_FEEDBACK, 0);
+
+	glTranslatef(20, 0, 0);
+	glColor3f(0, 1, 0);
+	glDrawArrays(GL_QUADS, 0, 4);
+
+	glTranslatef(20, 0, 0);
+	glBindTransformFeedback(GL_TRANSFORM_FEEDBACK, tfb);
+	glResumeTransformFeedback();
+	glColor3f(0, 0, 1);
+	glDrawArrays(GL_QUADS, 0, 4);
+	glEndTransformFeedbackEXT();
+	glBindTransformFeedback(GL_TRANSFORM_FEEDBACK, 0);
+
+	assert(glGetError() == 0);
+
+	piglit_UseProgram(prog_notransform);
+	glBindBuffer(GL_ARRAY_BUFFER, buf);
+	glEnableClientState(GL_COLOR_ARRAY);
+	glColorPointer(4, GL_FLOAT, sizeof(float)*8, NULL);
+	glVertexPointer(4, GL_FLOAT, sizeof(float)*8, (void*)(intptr_t)(4*sizeof(float)));
+	glDrawTransformFeedback(GL_TRIANGLES, tfb);
+	glDisableClientState(GL_COLOR_ARRAY);
+	glBindBuffer(GL_ARRAY_BUFFER, 0);
+
+	assert(glGetError() == 0);
+
+	pass = piglit_probe_pixel_rgb(15, 15, red) && pass;
+	pass = piglit_probe_pixel_rgb(35, 15, green) && pass;
+	pass = piglit_probe_pixel_rgb(55, 15, blue) && pass;
+
+	pass = piglit_probe_pixel_rgb(15, 35, red) && pass;
+	pass = piglit_probe_pixel_rgb(35, 35, clearcolor) && pass;
+	pass = piglit_probe_pixel_rgb(55, 35, blue) && pass;
+
+	glutSwapBuffers();
+
+	return pass ? PIGLIT_PASS : PIGLIT_FAIL;
+}