On 2/13/19 9:15 AM, Tapani Pälli wrote:


On 2/13/19 5:40 AM, Ilia Mirkin wrote:
Without EXT_float_blend, fp32 blending should be disallowed. Ensure that
this is the case. If it is supported, ensure that blending works as
expected.

Signed-off-by: Ilia Mirkin <imir...@alum.mit.edu>
---
  tests/opengl.py                               |   5 +
  tests/spec/CMakeLists.txt                     |   1 +
  .../CMakeLists.gles3.txt                      |   3 +
  .../ext_color_buffer_float/CMakeLists.txt     |   1 +
  tests/spec/ext_color_buffer_float/draw.c      | 150 ++++++++++++++++++
  5 files changed, 160 insertions(+)
  create mode 100644 tests/spec/ext_color_buffer_float/CMakeLists.gles3.txt
  create mode 100644 tests/spec/ext_color_buffer_float/CMakeLists.txt
  create mode 100644 tests/spec/ext_color_buffer_float/draw.c

diff --git a/tests/opengl.py b/tests/opengl.py
index 97dfbf984..fecb5e69d 100644
--- a/tests/opengl.py
+++ b/tests/opengl.py
@@ -4955,5 +4955,10 @@ with profile.test_list.group_manager(
          grouptools.join('spec', 'NV_image_formats')) as g:
      g(['nv_image_formats-gles3'])
+with profile.test_list.group_manager(
+        PiglitGLTest,
+        grouptools.join('spec', 'EXT_color_buffer_float')) as g:
+    g(['ext_color_buffer_float-draw_gles3'])
+
  if platform.system() is 'Windows':
      profile.filters.append(lambda p, _: not p.startswith('glx'))
diff --git a/tests/spec/CMakeLists.txt b/tests/spec/CMakeLists.txt
index 251e9aaa8..e10684442 100644
--- a/tests/spec/CMakeLists.txt
+++ b/tests/spec/CMakeLists.txt
@@ -186,3 +186,4 @@ add_subdirectory (ext_disjoint_timer_query)
  add_subdirectory (intel_blackhole_render)
  add_subdirectory (ext_texture_norm16)
  add_subdirectory (ext_render_snorm)
+add_subdirectory (ext_color_buffer_float)
diff --git a/tests/spec/ext_color_buffer_float/CMakeLists.gles3.txt b/tests/spec/ext_color_buffer_float/CMakeLists.gles3.txt
new file mode 100644
index 000000000..da89f5c04
--- /dev/null
+++ b/tests/spec/ext_color_buffer_float/CMakeLists.gles3.txt
@@ -0,0 +1,3 @@
+link_libraries(piglitutil_${piglit_target_api})
+
+piglit_add_executable (ext_color_buffer_float-draw_gles3 draw.c)
diff --git a/tests/spec/ext_color_buffer_float/CMakeLists.txt b/tests/spec/ext_color_buffer_float/CMakeLists.txt
new file mode 100644
index 000000000..144a306f4
--- /dev/null
+++ b/tests/spec/ext_color_buffer_float/CMakeLists.txt
@@ -0,0 +1 @@
+piglit_include_target_api()
diff --git a/tests/spec/ext_color_buffer_float/draw.c b/tests/spec/ext_color_buffer_float/draw.c
new file mode 100644
index 000000000..853fdb082
--- /dev/null
+++ b/tests/spec/ext_color_buffer_float/draw.c
@@ -0,0 +1,150 @@
+/*
+ * Copyright (C) 2019 Ilia Mirkin
+ *
+ * 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.
+ */
+
+/**
+ * \file draw.c
+ *
+ * Test that GL_EXT_color_buffer_float's blending restriction is
+ * properly respected. Either the implementation rejects draws with
+ * FP32 blending, or it exposes GL_EXT_float_blend.
+ */
+
+#include "piglit-util-gl.h"
+
+PIGLIT_GL_TEST_CONFIG_BEGIN
+    config.supports_gl_es_version = 30;

glEnablei and glDisablei is only available with ES 3.2

Nevermind, I see you handle it below separately when GL_OES_draw_buffers_indexed is supported ...

This test LGTM!

Reviewed-by: Tapani Pälli <tapani.pa...@intel.com>

+    config.window_visual = PIGLIT_GL_VISUAL_RGB | PIGLIT_GL_VISUAL_DOUBLE;
+PIGLIT_GL_TEST_CONFIG_END
+
+#define SIZE 128
+
+enum piglit_result
+piglit_display(void)
+{
+    return PIGLIT_SKIP; /* Never reached */
+}
+
+static void
+check_draw_success()
+{
+    static const float green[4] = {0, 1, 0, 1};
+    if (!piglit_check_gl_error(GL_NO_ERROR)) {
+        printf("FAIL: Basic drawing\n");
+        piglit_report_result(PIGLIT_FAIL);
+    }
+
+    if (!piglit_probe_rect_rgba(0, 0, SIZE, SIZE, green)) {
+        printf("FAIL: Basic draw color\n");
+        piglit_report_result(PIGLIT_FAIL);
+    }
+
+    glClearColor(0.2, 0.2, 0.2, 0.2);
+    glClear(GL_COLOR_BUFFER_BIT);
+}
+
+static void
+check_blend(bool float_blend)
+{
+    if (float_blend) {
+        check_draw_success();
+    } else if (!piglit_check_gl_error(GL_INVALID_OPERATION)) {
+        printf("FAIL: Unexpected draw success in presence of blend.\n");
+        piglit_report_result(PIGLIT_FAIL);
+    }
+}
+
+void
+piglit_init(int argc, char **argv)
+{
+    GLint prog;
+    GLuint fb, rb[2];
+    GLenum ret;
+    bool float_blend, indexed;
+
+    piglit_require_extension("GL_EXT_color_buffer_float");
+    float_blend = piglit_is_extension_supported("GL_EXT_float_blend");
+    indexed = piglit_is_extension_supported("GL_OES_draw_buffers_indexed");
+
+    prog = piglit_build_simple_program(
+            "#version 300 es\n"
+            "in vec4 piglit_vertex;\n"
+            "void main() { gl_Position = piglit_vertex; }\n",
+
+            "#version 300 es\n"
+            "precision highp float;\n"
+            "out vec4 color;\n"
+            "out vec4 color2;\n"
+            "void main() { color2 = color = vec4(0, 1, 0, 1); }\n");
+    glUseProgram(prog);
+
+    glGenRenderbuffers(2, rb);
+    glBindRenderbuffer(GL_RENDERBUFFER, rb[0]);
+    glRenderbufferStorage(GL_RENDERBUFFER, GL_RGBA32F, SIZE, SIZE);
+    glBindRenderbuffer(GL_RENDERBUFFER, rb[1]);
+    glRenderbufferStorage(GL_RENDERBUFFER, GL_RGBA16F, SIZE, SIZE);
+
+    glGenFramebuffers(1, &fb);
+    glBindFramebuffer(GL_FRAMEBUFFER, fb);
+    glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, rb[0]); +    glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT1, GL_RENDERBUFFER, rb[1]);
+
+    ret = glCheckFramebufferStatus(GL_FRAMEBUFFER);
+    if (ret != GL_FRAMEBUFFER_COMPLETE) {
+        printf("FAIL: Framebuffer incomplete\n");
+        piglit_report_result(PIGLIT_FAIL);
+    }
+
+    glViewport(0, 0, SIZE, SIZE);
+
+    piglit_draw_rect(-1, -1, 2, 2);
+    check_draw_success();
+
+    if (!indexed) {
+        glEnable(GL_BLEND);
+        piglit_draw_rect(-1, -1, 2, 2);
+
+        check_blend(float_blend);
+        piglit_report_result(PIGLIT_PASS);
+    }
+
+    /* RT0 = GL_RGBA32F. Draw should error. */
+    glEnablei(GL_BLEND, 0);
+
+    piglit_draw_rect(-1, -1, 2, 2);
+    check_blend(float_blend);
+
+    /* RT1 = GL_RGBA16F. Should draw fine. */
+    glDisablei(GL_BLEND, 0);
+    glEnablei(GL_BLEND, 1);
+
+    piglit_draw_rect(-1, -1, 2, 2);
+    check_draw_success();
+
+    /* Both RT's enabled. Should fail. */
+    glEnablei(GL_BLEND, 0);
+
+    piglit_draw_rect(-1, -1, 2, 2);
+    check_blend(float_blend);
+
+    piglit_report_result(PIGLIT_PASS);
+}

_______________________________________________
Piglit mailing list
Piglit@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/piglit
_______________________________________________
Piglit mailing list
Piglit@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/piglit

Reply via email to