arb_vertex_type_2_10_10_10_rev: add vertex/color drawing test.

This is a clone of the general draw-vertices test but adapted to test
the ARB_vertex_type_2_10_10_10_rev VBO api.

5 files changed, 213 insertions, 0 deletions

diff --git a/tests/all.tests b/tests/all.tests
index 406d23f1..b38db53b 100644
--- a/tests/all.tests
+++ b/tests/all.tests
@@ -1203,6 +1203,10 @@ arb_copy_buffer = Group()
 spec['ARB_copy_buffer'] = arb_copy_buffer
 add_plain_test(arb_copy_buffer, 'copy_buffer_coherency')
 
+arb_vertex_type_2_10_10_10_rev = Group()
+spec['ARB_vertex_type_2_10_10_10_rev'] = arb_vertex_type_2_10_10_10_rev
+add_plain_test(arb_vertex_type_2_10_10_10_rev, 'draw-vertices-2101010')
+
 # group glslparsertest ------------------------------------------------------
 glslparsertest = Group()
 # Add all shader source files in the directories below.
diff --git a/tests/spec/CMakeLists.txt b/tests/spec/CMakeLists.txt
index bb7b6a11..b4e77070 100644
--- a/tests/spec/CMakeLists.txt
+++ b/tests/spec/CMakeLists.txt
@@ -20,3 +20,4 @@ add_subdirectory (arb_vertex_program)
 add_subdirectory (arb_copy_buffer)
 add_subdirectory (glsl-1.20)
 add_subdirectory (glsl-1.30)
+add_subdirectory (arb_vertex_type_2_10_10_10_rev)
diff --git a/tests/spec/arb_vertex_type_2_10_10_10_rev/CMakeLists.gl.txt b/tests/spec/arb_vertex_type_2_10_10_10_rev/CMakeLists.gl.txt
new file mode 100644
index 00000000..3bb8b957
--- /dev/null
+++ b/tests/spec/arb_vertex_type_2_10_10_10_rev/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 (draw-vertices-2101010 draw-vertices-2101010.c)
+
+# vim: ft=cmake:
diff --git a/tests/spec/arb_vertex_type_2_10_10_10_rev/CMakeLists.txt b/tests/spec/arb_vertex_type_2_10_10_10_rev/CMakeLists.txt
new file mode 100644
index 00000000..144a306f
--- /dev/null
+++ b/tests/spec/arb_vertex_type_2_10_10_10_rev/CMakeLists.txt
@@ -0,0 +1 @@
+piglit_include_target_api()
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
new file mode 100644
index 00000000..f7b64d27
--- /dev/null
+++ b/tests/spec/arb_vertex_type_2_10_10_10_rev/draw-vertices-2101010.c
@@ -0,0 +1,190 @@
+/*
+ * Copyright © 2011 Dave Airlie <airlied@redhat.com>
+ * Based on draw-vertices © 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.
+ *
+ * Authors:
+ *     Dave Airlie <airlied@redhat.com>
+ */
+
+/* this test does some basic tests of ARB_vertex_type_2_10_10_10 vbos */
+
+#include "piglit-util.h"
+
+int piglit_width = 320, piglit_height = 60;
+int piglit_window_mode = GLUT_RGB | GLUT_DOUBLE;
+
+#define i32to10(x) ((x) >= 0 ? (x & 0x1ff) : 1024-(abs((x))& 0x1ff))
+#define i32to2(x) ((x) >= 0 ? (x & 0x1) : 1-abs((x)))
+
+static unsigned iconv(int x, int y, int z, int w)
+{
+	unsigned val;
+
+	val = i32to10(x);
+	val |= i32to10(y) << 10;
+	val |= i32to10(z) << 20;
+	val |= i32to2(w) << 30;
+	return val;
+}
+#define conv(x,y,z,w) (((unsigned)(x) & 0x3ff) | ((unsigned)(y) & 0x3ff) << 10 | ((unsigned)(z) & 0x3ff)<< 20 | ((unsigned)(w) & 0x3) << 30)
+
+void piglit_init(int argc, char **argv)
+{
+    piglit_ortho_projection(piglit_width, piglit_height, GL_FALSE);
+
+    if (!GLEW_VERSION_1_5) {
+        printf("Requires OpenGL 1.5\n");
+        piglit_report_result(PIGLIT_SKIP);
+    }
+
+    piglit_require_extension("GL_ARB_vertex_type_2_10_10_10_rev");
+    glShadeModel(GL_FLAT);
+    glClearColor(0.2, 0.2, 0.2, 1.0);
+}
+
+static GLuint vboVertexPointer(GLint size, GLenum type, GLsizei stride,
+                               const GLvoid *buf, GLsizei bufSize, intptr_t bufOffset)
+{
+    GLuint id;
+    glGenBuffers(1, &id);
+    glBindBuffer(GL_ARRAY_BUFFER, id);
+    glBufferData(GL_ARRAY_BUFFER, bufSize, buf, GL_STATIC_DRAW);
+    glVertexPointer(size, type, stride, (void*)bufOffset);
+    return id;
+}
+
+static GLuint vboColorPointer(GLint size, GLenum type, GLsizei stride,
+                              const GLvoid *buf, GLsizei bufSize, intptr_t bufOffset)
+{
+    GLuint id;
+    glGenBuffers(1, &id);
+    glBindBuffer(GL_ARRAY_BUFFER, id);
+    glBufferData(GL_ARRAY_BUFFER, bufSize, buf, GL_STATIC_DRAW);
+    glColorPointer(size, type, stride, (void*)bufOffset);
+    return id;
+}
+
+static void test_packed_int_color_vertices(float x1, float y1, float x2, float y2, int index)
+{
+    unsigned int v[3];
+    unsigned int c[3];
+    GLuint vbo;
+
+    v[0] = iconv(x1, y1, 0, 1);
+    v[1] = iconv(x1, y2, 0, 1);
+    v[2] = iconv(x2, y1, 0, 1);
+
+    if (index == 0) {
+	c[0] = iconv(511, 0, 0, 0);
+	c[1] = iconv(511, 0, 0, 0);
+	c[2] = iconv(511, 0, 0, 0);
+    } else {
+	c[0] = conv(1023, 0, 0, 0);
+	c[1] = conv(1023, 0, 0, 0);
+	c[2] = conv(1023, 0, 0, 0);
+    }
+
+    glVertexPointer(4, GL_INT_2_10_10_10_REV, 4, v);
+
+    glEnableClientState(GL_COLOR_ARRAY);
+    switch (index) {
+        case 0: vbo = vboColorPointer(4, GL_INT_2_10_10_10_REV, 4, c, sizeof(c), 0); break;
+        case 1: vbo = vboColorPointer(4, GL_UNSIGNED_INT_2_10_10_10_REV, 4, c, sizeof(c), 0); break;
+     }
+
+    glDrawArrays(GL_TRIANGLES, 0, 3);
+
+    glDisableClientState(GL_COLOR_ARRAY);
+    glDeleteBuffers(1, &vbo);
+}
+
+static void test_packed_int_vertices(float x1, float y1, float x2, float y2, int index)
+{
+    unsigned int v[3];
+    GLuint vbo;
+
+    if (index == 0) {
+	v[0] = iconv(x1, y1, 0, 1);
+	v[1] = iconv(x1, y2, 0, 1);
+	v[2] = iconv(x2, y1, 0, 1);
+    } else {
+	v[0] = conv(x1, y1, 0, 1);
+	v[1] = conv(x1, y2, 0, 1);
+	v[2] = conv(x2, y1, 0, 1);
+    }
+
+    switch (index) {
+        case 0: vbo = vboVertexPointer(4, GL_INT_2_10_10_10_REV, 4, v, sizeof(v), 0); break;
+        case 1: vbo = vboVertexPointer(4, GL_UNSIGNED_INT_2_10_10_10_REV, 4, v, sizeof(v), 0); break;
+    }
+
+    glDrawArrays(GL_TRIANGLES, 0, 3);
+
+    glDeleteBuffers(1, &vbo);
+}
+
+struct test {
+    void (*test)(float x1, float y1, float x2, float y2, int index);
+    int index;
+    float expected_color[3];
+    const char *name;
+};
+
+struct test tests[] = {
+    {test_packed_int_vertices, 0, {1, 1, 1}, "Int vertices - 2/10/10/10"},
+    {test_packed_int_vertices, 1, {1, 1, 1}, "Unsigned Int vertices - 2/10/10/10"},
+    {test_packed_int_color_vertices, 0, {1, 0, 0}, "Int Color - 2/10/10/10"},
+    {test_packed_int_color_vertices, 1, {1, 0, 0}, "Unsigned Int Color - 2/10/10/10"},
+
+    {0}
+};
+
+enum piglit_result
+piglit_display(void)
+{
+    GLboolean pass = GL_TRUE;
+    unsigned i;
+    float x = 0, y = 0;
+
+    glClear(GL_COLOR_BUFFER_BIT);
+    glEnableClientState(GL_VERTEX_ARRAY);
+
+    for (i = 0; tests[i].test; i++) {
+        glBindBuffer(GL_ARRAY_BUFFER, 0);
+
+        printf("%s\n", tests[i].name);
+        tests[i].test(x, y, x+20, y+20, tests[i].index);
+        assert(glGetError() == 0);
+        pass = piglit_probe_pixel_rgb(x+5, y+5, tests[i].expected_color) && pass;
+
+        x += 20;
+        if (x > 300) {
+            x = 0;
+            y += 20;
+        }
+    }
+
+    glFinish();
+    glutSwapBuffers();
+
+    return pass ? PIGLIT_PASS : PIGLIT_FAIL;
+}