[Piglit] [PATCH] fbo-colormask-formats: test glColorMask with all formats
Marek Olšák
maraeo at gmail.com
Fri Sep 14 05:06:25 PDT 2012
---
tests/all.tests | 1 +
tests/fbo/CMakeLists.gl.txt | 1 +
tests/fbo/fbo-colormask-formats.c | 237 +++++++++++++++++++++++++++++++++++++
3 files changed, 239 insertions(+)
create mode 100644 tests/fbo/fbo-colormask-formats.c
diff --git a/tests/all.tests b/tests/all.tests
index 85f2691..f7cccb3 100644
--- a/tests/all.tests
+++ b/tests/all.tests
@@ -153,6 +153,7 @@ def add_fbo_formats_tests(path, extension):
if 'depth' not in extension:
profile.tests[path + '/fbo-blending-formats'] = PlainExecTest('fbo-blending-formats -auto ' + extension)
profile.tests[path + '/fbo-alphatest-formats'] = PlainExecTest('fbo-alphatest-formats -auto ' + extension)
+ profile.tests[path + '/fbo-colormask-formats'] = PlainExecTest('fbo-colormask-formats -auto ' + extension)
def add_msaa_formats_tests(group, extension):
for num_samples in MSAA_SAMPLE_COUNTS:
diff --git a/tests/fbo/CMakeLists.gl.txt b/tests/fbo/CMakeLists.gl.txt
index ed2f568..d3e4bc9 100644
--- a/tests/fbo/CMakeLists.gl.txt
+++ b/tests/fbo/CMakeLists.gl.txt
@@ -34,6 +34,7 @@ piglit_add_executable (fbo-blit fbo-blit.c)
piglit_add_executable (fbo-blit-d24s8 fbo-blit-d24s8.c)
piglit_add_executable (fbo-blit-stretch fbo-blit-stretch.cpp)
piglit_add_executable (fbo-blending-formats fbo-blending-formats.c)
+piglit_add_executable (fbo-colormask-formats fbo-colormask-formats.c)
piglit_add_executable (fbo-copypix fbo-copypix.c)
piglit_add_executable (fbo-readdrawpix fbo-readdrawpix.c)
piglit_add_executable (fbo-clearmipmap fbo-clearmipmap.c)
diff --git a/tests/fbo/fbo-colormask-formats.c b/tests/fbo/fbo-colormask-formats.c
new file mode 100644
index 0000000..3deba30
--- /dev/null
+++ b/tests/fbo/fbo-colormask-formats.c
@@ -0,0 +1,237 @@
+/*
+ * Copyright © 2010 Intel Corporation
+ * Copyright © 2012 Marek Olšák <maraeo at 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:
+ * Marek Olšák <maraeo at gmail.com>
+ *
+ */
+
+#include "piglit-util-gl-common.h"
+#include "fbo-formats.h"
+
+PIGLIT_GL_TEST_MAIN(
+ 512 /*window_width*/,
+ 32 /*window_height*/,
+ GLUT_RGB | GLUT_ALPHA | GLUT_DOUBLE)
+
+/**
+ * Draw a quad with colormask
+ */
+static void colormask(const float *rect, unsigned mask)
+{
+ glColorMask(!!(mask & 1), !!(mask & 2), !!(mask & 4), !!(mask & 8));
+ piglit_draw_rect(rect[0], rect[1], rect[2], rect[3]);
+ glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
+}
+
+static enum piglit_result test_format(const struct format_desc *format)
+{
+ GLboolean pass = GL_TRUE;
+ GLuint tex, fb;
+ GLenum status;
+ int r, g, b, l, a, i;
+ unsigned mask, k;
+ float defaults[] = {-1, -1, -1, -1};
+
+ if (format->base_internal_format == GL_DEPTH_COMPONENT ||
+ format->base_internal_format == GL_DEPTH_STENCIL)
+ return PIGLIT_SKIP;
+
+ glGenFramebuffersEXT(1, &fb);
+ glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, fb);
+ glViewport(0, 0, piglit_width, piglit_height);
+
+ glGenTextures(1, &tex);
+ glBindTexture(GL_TEXTURE_2D, tex);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+ glTexImage2D(GL_TEXTURE_2D, 0, format->internalformat,
+ piglit_width, piglit_height, 0,
+ GL_RGBA, GL_FLOAT, NULL);
+
+ glGetTexLevelParameteriv(GL_TEXTURE_2D, 0,
+ GL_TEXTURE_LUMINANCE_SIZE, &l);
+ glGetTexLevelParameteriv(GL_TEXTURE_2D, 0,
+ GL_TEXTURE_ALPHA_SIZE, &a);
+ glGetTexLevelParameteriv(GL_TEXTURE_2D, 0,
+ GL_TEXTURE_INTENSITY_SIZE, &i);
+ glGetTexLevelParameteriv(GL_TEXTURE_2D, 0,
+ GL_TEXTURE_RED_SIZE, &r);
+ glGetTexLevelParameteriv(GL_TEXTURE_2D, 0,
+ GL_TEXTURE_GREEN_SIZE, &g);
+ glGetTexLevelParameteriv(GL_TEXTURE_2D, 0,
+ GL_TEXTURE_BLUE_SIZE, &b);
+
+ /* Set up expected defaults.
+ * We're using glReadPixels from the texture.
+ */
+ if (i) {
+ /* GL_INTENSITY texture: result = (I,0,0,1) */
+ defaults[3] = 1;
+ defaults[2] = defaults[1] = 0;
+ } else if (l) {
+ /* GL_LUMINANCE texture: result = (L,0,0,A) */
+ defaults[2] = defaults[1] = 0;
+ if (!a) {
+ defaults[3] = 1;
+ }
+ } else {
+ /* other format */
+ if (!r) {
+ defaults[0] = 0;
+ }
+ if (!g) {
+ defaults[1] = 0;
+ }
+ if (!b) {
+ defaults[2] = 0;
+ }
+ if (!a) {
+ defaults[3] = 1;
+ }
+ }
+
+ /* Clamp the bits for the framebuffer, except we aren't checking
+ * the actual framebuffer bits.
+ */
+ if (l > 8)
+ l = 8;
+ if (i > 8)
+ i = 8;
+ if (r > 8)
+ r = 8;
+ if (g > 8)
+ g = 8;
+ if (b > 8)
+ b = 8;
+ if (a > 8)
+ a = 8;
+
+ if (i) {
+ piglit_set_tolerance_for_bits(i, i, i, i);
+ } else if (l) {
+ piglit_set_tolerance_for_bits(l, l, l, a);
+ } else {
+ piglit_set_tolerance_for_bits(r, g, b, a);
+ }
+
+ glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT,
+ GL_COLOR_ATTACHMENT0_EXT,
+ GL_TEXTURE_2D,
+ tex,
+ 0);
+ assert(glGetError() == 0);
+
+ status = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
+ printf("Testing %s", format->name);
+ if (status != GL_FRAMEBUFFER_COMPLETE_EXT) {
+ printf(" - fbo incomplete (status = 0x%04x)\n", status);
+ return PIGLIT_SKIP;
+ }
+ printf("\n");
+
+ glClearColor(0.0, 0.0, 0.0, 0.0);
+ glClear(GL_COLOR_BUFFER_BIT);
+
+ for (mask = 0; mask <= 15; mask++) {
+ float rect[4];
+ rect[0] = -1 + (mask / 8.0);
+ rect[1] = -1;
+ rect[2] = 2 / 16.0;
+ rect[3] = 2;
+
+ colormask(rect, mask);
+ }
+
+ for (mask = 0; mask <= 15; mask++) {
+ float rect[4];
+ rect[0] = -1 + (mask / 8.0);
+ rect[1] = -1;
+ rect[2] = 2 / 16.0;
+ rect[3] = 2;
+
+ colormask(rect, mask);
+ }
+
+ for (mask = 0; mask <= 15; mask++) {
+ float color[4], out[4];
+
+ for (k = 0; k < 4; k++) {
+ if (defaults[k] >= 0)
+ color[k] = defaults[k];
+ else
+ color[k] = (mask & (1 << k)) ? 1 : 0;
+ }
+
+ if (!piglit_probe_pixel_rgba_silent(piglit_width * mask / 16, 0,
+ color, out)) {
+ printf("glColorMask(%i, %i, %i, %i)\n",
+ !!(mask & 1), !!(mask & 2),
+ !!(mask & 4), !!(mask & 8));
+ printf(" Expected: %f %f %f %f\n",
+ color[0], color[1], color[2], color[3]);
+ printf(" Observed: %f %f %f %f\n",
+ out[0], out[1], out[2], out[3]);
+ pass = GL_FALSE;
+ }
+ }
+
+ /*
+ * Display the texture.
+ */
+ glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
+ glViewport(0, 0, piglit_width, piglit_height);
+
+ glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE);
+ glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB, GL_REPLACE);
+ glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA, GL_REPLACE);
+
+ glColor4f(1, 1, 1, 1);
+ glEnable(GL_TEXTURE_2D);
+ glBindTexture(GL_TEXTURE_2D, tex);
+ piglit_draw_rect_tex(-1, -1, 2, 2,
+ 0, 0, 1, 1);
+
+ glDisable(GL_TEXTURE_2D);
+ glDeleteTextures(1, &tex);
+ glDeleteFramebuffersEXT(1, &fb);
+
+ if (!pass) {
+ piglit_present_results();
+ return PIGLIT_FAIL;
+ }
+
+ piglit_present_results();
+
+ return pass ? PIGLIT_PASS : PIGLIT_FAIL;
+}
+
+enum piglit_result piglit_display(void)
+{
+ return fbo_formats_display(test_format);
+}
+
+void piglit_init(int argc, char **argv)
+{
+ fbo_formats_init(argc, argv, GL_TRUE);
+}
--
1.7.9.5
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