[Piglit] [PATCH 01/12] Port point sprite test from Glean to Piglit
Fabian Bieler
fabianbieler at fastmail.fm
Thu Nov 9 21:27:35 UTC 2017
The new test is also a bit stricter on rasterization then the old one.
It shouldn't be stricter than the spec, however.
---
tests/all.py | 1 +
tests/spec/CMakeLists.txt | 1 +
tests/spec/arb_point_sprite/CMakeLists.gl.txt | 14 ++
tests/spec/arb_point_sprite/CMakeLists.txt | 1 +
tests/spec/arb_point_sprite/mipmap.c | 238 ++++++++++++++++++++++++++
5 files changed, 255 insertions(+)
create mode 100644 tests/spec/arb_point_sprite/CMakeLists.gl.txt
create mode 100644 tests/spec/arb_point_sprite/CMakeLists.txt
create mode 100644 tests/spec/arb_point_sprite/mipmap.c
diff --git a/tests/all.py b/tests/all.py
index ae4a995..56f6b40 100644
--- a/tests/all.py
+++ b/tests/all.py
@@ -1754,6 +1754,7 @@ with profile.test_list.group_manager(
with profile.test_list.group_manager(
PiglitGLTest, grouptools.join('spec', 'ARB_point_sprite')) as g:
g(['point-sprite'], run_concurrent=False)
+ g(['arb_point_sprite-mipmap'])
# Group ARB_tessellation_shader
with profile.test_list.group_manager(
diff --git a/tests/spec/CMakeLists.txt b/tests/spec/CMakeLists.txt
index d196d6b..f02c98d 100644
--- a/tests/spec/CMakeLists.txt
+++ b/tests/spec/CMakeLists.txt
@@ -42,6 +42,7 @@ add_subdirectory (arb_multisample)
add_subdirectory (arb_occlusion_query)
add_subdirectory (arb_occlusion_query2)
add_subdirectory (arb_point_parameters)
+add_subdirectory (arb_point_sprite)
add_subdirectory (arb_provoking_vertex)
add_subdirectory (arb_robustness)
add_subdirectory (arb_sample_shading)
diff --git a/tests/spec/arb_point_sprite/CMakeLists.gl.txt b/tests/spec/arb_point_sprite/CMakeLists.gl.txt
new file mode 100644
index 0000000..10a39c4
--- /dev/null
+++ b/tests/spec/arb_point_sprite/CMakeLists.gl.txt
@@ -0,0 +1,14 @@
+include_directories(
+ ${GLEXT_INCLUDE_DIR}
+ ${OPENGL_INCLUDE_PATH}
+ ${piglit_SOURCE_DIR}/tests/util
+)
+
+link_libraries (
+ piglitutil_${piglit_target_api}
+ ${OPENGL_gl_LIBRARY}
+)
+
+piglit_add_executable (arb_point_sprite-mipmap mipmap.c)
+
+# vim: ft=cmake:
diff --git a/tests/spec/arb_point_sprite/CMakeLists.txt b/tests/spec/arb_point_sprite/CMakeLists.txt
new file mode 100644
index 0000000..144a306
--- /dev/null
+++ b/tests/spec/arb_point_sprite/CMakeLists.txt
@@ -0,0 +1 @@
+piglit_include_target_api()
diff --git a/tests/spec/arb_point_sprite/mipmap.c b/tests/spec/arb_point_sprite/mipmap.c
new file mode 100644
index 0000000..0f6b3cb
--- /dev/null
+++ b/tests/spec/arb_point_sprite/mipmap.c
@@ -0,0 +1,238 @@
+/*
+ * Copyright (C) 2007 Intel Corporation
+ * Copyright (C) 1999 Allen Akin All Rights Reserved.
+ *
+ * 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 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 ALLEN AKIN 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.
+ *
+ */
+
+/**
+ * @file mipmap.c: Test the GL_ARB_point_sprite extension
+ *
+ * Create mipmap textures which size varies from 32x32 to 1x1, every texture
+ * has different two colors: the upper half is one color and the lower half is
+ * another color.
+ * Draw point and polygon which mode is GL_POINT, and check that the point is
+ * rendered correctly.
+ */
+
+#include "piglit-util-gl.h"
+
+PIGLIT_GL_TEST_CONFIG_BEGIN
+
+ config.supports_gl_compat_version = 14;
+ config.window_visual = PIGLIT_GL_VISUAL_RGBA;
+ config.khr_no_error_support = PIGLIT_NO_ERRORS;
+
+PIGLIT_GL_TEST_CONFIG_END
+
+/* For the 1x1 LOD, only lower part (second color in the table) is used. */
+static const float tex_color[6][2][4] = {
+ {{1.0, 0.0, 0.0, 1.0}, {0.0, 1.0, 0.0, 1.0}}, /* 32x32 */
+ {{0.0, 0.0, 1.0, 1.0}, {1.0, 1.0, 0.0, 1.0}}, /* 16x16 */
+ {{1.0, 0.0, 1.0, 1.0}, {0.0, 1.0, 1.0, 1.0}}, /* 8x8 */
+ {{1.0, 1.0, 1.0, 1.0}, {1.0, 0.0, 0.0, 1.0}}, /* 4x4 */
+ {{0.0, 1.0, 0.0, 1.0}, {0.0, 0.0, 1.0, 1.0}}, /* 2x2 */
+ {{1.0, 1.0, 0.0, 1.0}, {1.0, 1.0, 1.0, 1.0}}, /* 1x1 */
+};
+
+static int
+level(int point_size)
+{
+ /* Note: we use GL_NEAREST_MIPMAP_NEAREST for GL_TEXTURE_MIN_FILTER
+ */
+ if (point_size <= 1)
+ return 5;
+ if (point_size < 3)
+ return 4;
+ if (point_size < 6)
+ return 3;
+ if (point_size < 12)
+ return 2;
+ if (point_size < 24)
+ return 1;
+ return 0;
+}
+
+bool
+draw_and_probe(int point_size, int coord_origin, int prim_type)
+{
+ glPointSize((float)point_size);
+ glClear(GL_COLOR_BUFFER_BIT);
+
+ /* Draw GL_POINTS primitives, and draw GL_POLYGON primitives with the
+ * polygon mode set to GL_POINT.
+ */
+ if (prim_type == 0) {
+ glBegin(GL_POINTS);
+ glVertex2i(piglit_width / 4, piglit_height / 4);
+ glEnd();
+ } else {
+ glPolygonMode(GL_FRONT_AND_BACK, GL_POINT);
+ glBegin(GL_POLYGON);
+ glVertex2i(piglit_width / 4, piglit_height / 4);
+ glVertex2i(piglit_width, piglit_height / 4);
+ glVertex2i(piglit_width, piglit_height);
+ glVertex2i(piglit_width / 4, piglit_height);
+ glEnd();
+ }
+
+ /* bottom, left, right, top, width and height of sprite */
+ const int b = piglit_width / 4 - point_size / 2;
+ const int l = piglit_height / 4 - point_size / 2;
+ const int r = piglit_height / 4 + point_size / 2;
+ const int t = piglit_width / 4 + point_size / 2;
+ const int w = point_size;
+ const int h = point_size / 2;
+ /* vertical middle of sprite */
+ const int m = piglit_height / 4;
+
+ /* width of total area to probe */
+ const int W = piglit_width / 2;
+
+ const float bk[] = {0.0, 0.0, 0.0, 0.0};
+
+ const float *cb = tex_color[level(point_size)][coord_origin];
+ const float *ct = tex_color[level(point_size)][1 - coord_origin];
+ if (piglit_probe_rect_rgba(0, 0, W, b, bk) &&
+ piglit_probe_rect_rgba(0, b, l, w, bk) &&
+ piglit_probe_rect_rgba(l, b, w, h, cb) &&
+ piglit_probe_rect_rgba(l, m, w, h, ct) &&
+ piglit_probe_rect_rgba(r, b, l, w, bk) &&
+ piglit_probe_rect_rgba(0, t, W, b, bk))
+ return true;
+
+ printf("Primitive type: %s, Coord Origin at: %s\n",
+ prim_type ? "polygon" : "points",
+ coord_origin ? "bottom" : "top");
+ return false;
+}
+
+enum piglit_result
+piglit_display(void)
+{
+ float max_point_size;
+ int point_size;
+ float point_size_range[2], point_size_granularity;
+ float n;
+ const float epsilon = 1e-5;
+
+ glGetFloatv(GL_SMOOTH_POINT_SIZE_RANGE, point_size_range);
+ glGetFloatv(GL_SMOOTH_POINT_SIZE_GRANULARITY,
+ &point_size_granularity);
+
+ /* check that point size 2.0 is supported */
+ n = (2.0 - point_size_range[0]) / point_size_granularity;
+ if (!(roundf(n) - n < epsilon))
+ piglit_report_result(PIGLIT_SKIP);
+ /* check that other even integer point sizes are supported */
+ n = 2.0 / point_size_granularity;
+ if (!(roundf(n) - n < epsilon))
+ piglit_report_result(PIGLIT_SKIP);
+
+ max_point_size = MIN3(point_size_range[1], piglit_width / 2,
+ piglit_height / 2);
+
+ for (int prim_type = 0; prim_type < 2; prim_type++) {
+ if (piglit_get_gl_version() >= 20)
+ glPointParameteri(GL_POINT_SPRITE_COORD_ORIGIN,
+ GL_UPPER_LEFT);
+ for (int coord_origin = 0; coord_origin < 2; coord_origin++) {
+ for (point_size = 2;
+ (float)point_size <= max_point_size;
+ point_size += 2) {
+ if (!draw_and_probe(point_size, coord_origin,
+ prim_type))
+ return PIGLIT_FAIL;
+ }
+
+ /* OpenGL 2.0 adds the ability to set the texture
+ * coordinate origin to the bottom left */
+ if (piglit_get_gl_version() < 20)
+ break;
+ glPointParameteri(GL_POINT_SPRITE_COORD_ORIGIN,
+ GL_LOWER_LEFT);
+ }
+ }
+
+ return PIGLIT_PASS;
+}
+
+void
+piglit_init(int argc, char **argv)
+{
+ GLboolean enable;
+ GLint coordReplace;
+ GLint coordOrigin;
+ GLuint tex;
+
+ /* check point sprite status, default is GL_FALSE */
+ enable = glIsEnabled(GL_POINT_SPRITE);
+ if (enable != GL_FALSE) {
+ printf("PointSprite should be disabled by default\n");
+ piglit_report_result(PIGLIT_FAIL);
+ }
+
+ /* check coordinate replacement, default is GL_FALSE */
+ glGetTexEnviv(GL_POINT_SPRITE, GL_COORD_REPLACE, &coordReplace);
+
+ if (coordReplace != GL_FALSE) {
+ printf("default value of COORD_REPLACE should be GL_FALSE\n");
+ piglit_report_result(PIGLIT_FAIL);
+ }
+
+ /* check coordinate origin, default is UPPER_LEFT */
+ glEnable(GL_POINT_SPRITE);
+ if (piglit_get_gl_version() >= 20) {
+ glGetIntegerv(GL_POINT_SPRITE_COORD_ORIGIN, &coordOrigin);
+ if (coordOrigin != GL_UPPER_LEFT) {
+ printf("default value of COORD_ORIGIN should be "
+ "GL_UPPER_LEFT\n");
+ piglit_report_result(PIGLIT_FAIL);
+ }
+ }
+
+ glDrawBuffer(GL_FRONT);
+ glReadBuffer(GL_FRONT);
+
+ glMatrixMode(GL_PROJECTION);
+ glOrtho(0, piglit_width, 0, piglit_height, -1, 1);
+
+ glEnable(GL_TEXTURE_2D);
+ glGenTextures(1, &tex);
+ glBindTexture(GL_TEXTURE_2D, tex);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
+ GL_NEAREST_MIPMAP_NEAREST);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+
+ int lvl = 0;
+ for (int size = 32; size; size /= 2) {
+ int mid = MAX2(size / 2, 1);
+ piglit_quads_texture(tex, lvl, size, size, size, mid,
+ tex_color[lvl][1], NULL,
+ tex_color[lvl][0], NULL);
+ lvl++;
+ }
+
+ glTexEnvf(GL_POINT_SPRITE, GL_COORD_REPLACE, GL_TRUE);
+}
--
2.7.4
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