Test glBlendFuncSeparate, glBlendEquationSeparate, and the indexed
versions to make sure all state is set properly.
---
tests/all.py | 1 +
tests/spec/CMakeLists.txt | 1 +
.../spec/arb_draw_buffers_blend/CMakeLists.gl.txt | 13 ++
tests/spec/arb_draw_buffers_blend/CMakeLists.txt | 1 +
tests/spec/arb_draw_buffers_blend/state_set_get.c | 228 +++++++++++++++++++++
5 files changed, 244 insertions(+)
create mode 100644 tests/spec/arb_draw_buffers_blend/CMakeLists.gl.txt
create mode 100644 tests/spec/arb_draw_buffers_blend/CMakeLists.txt
create mode 100644 tests/spec/arb_draw_buffers_blend/state_set_get.c
diff --git a/tests/all.py b/tests/all.py
index 4531b01..fff4403 100644
--- a/tests/all.py
+++ b/tests/all.py
@@ -3954,6 +3954,7 @@ with profile.group_manager(
with profile.group_manager(
PiglitGLTest,
grouptools.join('spec', 'arb_draw_buffers_blend')) as g:
+ g(['arb_draw_buffers_blend-state_set_get'])
g(['fbo-draw-buffers-blend'], run_concurrent=False)
with profile.group_manager(
diff --git a/tests/spec/CMakeLists.txt b/tests/spec/CMakeLists.txt
index 5dc37a1..34e5260 100644
--- a/tests/spec/CMakeLists.txt
+++ b/tests/spec/CMakeLists.txt
@@ -118,6 +118,7 @@ add_subdirectory (arb_vertex_type_2_10_10_10_rev)
add_subdirectory (ext_texture_array)
add_subdirectory (ext_texture_integer)
add_subdirectory (arb_draw_buffers)
+add_subdirectory (arb_draw_buffers_blend)
add_subdirectory (oes_draw_texture)
add_subdirectory (oes_fixed_point)
add_subdirectory (ext_image_dma_buf_import)
diff --git a/tests/spec/arb_draw_buffers_blend/CMakeLists.gl.txt
b/tests/spec/arb_draw_buffers_blend/CMakeLists.gl.txt
new file mode 100644
index 0000000..784886f
--- /dev/null
+++ b/tests/spec/arb_draw_buffers_blend/CMakeLists.gl.txt
@@ -0,0 +1,13 @@
+include_directories(
+ ${GLEXT_INCLUDE_DIR}
+ ${OPENGL_INCLUDE_PATH}
+)
+
+link_libraries (
+ piglitutil_${piglit_target_api}
+ ${OPENGL_gl_LIBRARY}
+)
+
+piglit_add_executable (arb_draw_buffers_blend-state_set_get state_set_get.c)
+
+# vim: ft=cmake:
diff --git a/tests/spec/arb_draw_buffers_blend/CMakeLists.txt
b/tests/spec/arb_draw_buffers_blend/CMakeLists.txt
new file mode 100644
index 0000000..144a306
--- /dev/null
+++ b/tests/spec/arb_draw_buffers_blend/CMakeLists.txt
@@ -0,0 +1 @@
+piglit_include_target_api()
diff --git a/tests/spec/arb_draw_buffers_blend/state_set_get.c
b/tests/spec/arb_draw_buffers_blend/state_set_get.c
new file mode 100644
index 0000000..a1bb35e
--- /dev/null
+++ b/tests/spec/arb_draw_buffers_blend/state_set_get.c
@@ -0,0 +1,228 @@
+/*
+ * Copyright 2015 VMware, Inc.
+ *
+ * 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.
+ *
+ */
+
+/**
+ * Test setting/getting state related to GL_ARB_draw_buffers_blend.
+ * In particular, make sure glBlendFunc and glBlendEquation updates
+ * all buffer state.
+ *
+ * Brian Paul
+ * October 2015
+ */
+
+#include "piglit-util-gl.h"
+
+PIGLIT_GL_TEST_CONFIG_BEGIN
+ config.supports_gl_compat_version = 20;
+ config.window_visual = PIGLIT_GL_VISUAL_DOUBLE | PIGLIT_GL_VISUAL_RGB;
+PIGLIT_GL_TEST_CONFIG_END
+
+static GLint num_buffers;
+
+struct blend_state
+{
+ GLenum srcRGB, srcA, dstRGB, dstA;
+ GLenum eqRGB, eqA;
+};
+
+#define MAX_BUFFERS 16
+
+static struct blend_state state[MAX_BUFFERS];
+
+
+static void
+set_state(int buffer,
+ GLenum srcRGB, GLenum srcA,
+ GLenum dstRGB, GLenum dstA,
+ GLenum eqRGB, GLenum eqA)
+{
+ state[buffer].srcRGB = srcRGB;
+ state[buffer].srcA = srcA;
+ state[buffer].dstRGB = dstRGB;
+ state[buffer].dstA = dstA;
+ state[buffer].eqRGB = eqRGB;
+ state[buffer].eqA = eqA;
+
+ glBlendFuncSeparateiARB(buffer, srcRGB, dstRGB, srcA, dstA);
+ glBlendEquationSeparateiARB(buffer, eqRGB, eqA);
+
+ piglit_check_gl_error(GL_NO_ERROR);
+}
+
+
+static void
+set_state_all_buffers(GLenum srcRGB, GLenum srcA,
+ GLenum dstRGB, GLenum dstA,
+ GLenum eqRGB, GLenum eqA)
+{
+ int i;
+
+ for (i = 0; i < num_buffers; i++) {
+ state[i].srcRGB = srcRGB;
+ state[i].srcA = srcA;
+ state[i].dstRGB = dstRGB;
+ state[i].dstA = dstA;
+ state[i].eqRGB = eqRGB;
+ state[i].eqA = eqA;
+ }
+
+ glBlendFuncSeparate(srcRGB, dstRGB, srcA, dstA);
+ glBlendEquationSeparate(eqRGB, eqA);
+
+ piglit_check_gl_error(GL_NO_ERROR);
+}
+
+
+static bool
+check_state(int buffer)
+{
+ GLint srcRGB, srcA;
+ GLint dstRGB, dstA;
+ GLint eqRGB, eqA;
+
+ glGetIntegeri_v(GL_BLEND_SRC_RGB, buffer, &srcRGB);
+ glGetIntegeri_v(GL_BLEND_DST_RGB, buffer, &dstRGB);
+ glGetIntegeri_v(GL_BLEND_SRC_ALPHA, buffer, &srcA);
+ glGetIntegeri_v(GL_BLEND_DST_ALPHA, buffer, &dstA);
+ glGetIntegeri_v(GL_BLEND_EQUATION_RGB, buffer, &eqRGB);
+ glGetIntegeri_v(GL_BLEND_EQUATION_ALPHA, buffer, &eqA);
+
+ if (!piglit_check_gl_error(GL_NO_ERROR)) {
+ printf("Unexpected GL error.\n");
+ return false;
+ }
+
+ if (srcRGB != state[buffer].srcRGB ||
+ dstRGB != state[buffer].dstRGB ||
+ srcA != state[buffer].srcA ||
+ dstA != state[buffer].dstA ||
+ eqRGB != state[buffer].eqRGB ||
+ eqA != state[buffer].eqA) {
+ printf("State doesn't match for buffer %d\n", buffer);
+ return false;
+ }
+
+ return true;
+}
+
+
+static bool
+check_state_all_buffers(void)
+{
+ int i;
+
+ for (i = 0; i < num_buffers; i++) {
+ if (!check_state(i)) {
+ return false;
+ }
+ }
+
+ return true;
+}
+
+
+static bool
+test_modes(void)
+{
+ bool pass = true;
+
+ /* Initial setup and check */
+ set_state_all_buffers(GL_ONE, GL_ZERO,
+ GL_ONE, GL_ZERO,
+ GL_FUNC_ADD, GL_FUNC_ADD);
+ if (!check_state_all_buffers()) {
+ printf("Initial state check failed.\n");
+ pass = false;
+ }
+
+ /* set one buffer's state */
+ set_state(1,
+ GL_SRC_ALPHA, GL_ONE,
+ GL_ONE_MINUS_SRC_ALPHA, GL_DST_ALPHA,
+ GL_FUNC_SUBTRACT, GL_FUNC_REVERSE_SUBTRACT);
+ if (!check_state_all_buffers()) {
+ printf("Setting one buffer state failed.\n");
+ pass = false;
+ }
+
+ /* set all buffer state again */
+ set_state_all_buffers(GL_SRC_COLOR, GL_ONE_MINUS_SRC_COLOR,
+ GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA,
+ GL_FUNC_ADD, GL_FUNC_ADD);
+ if (!check_state_all_buffers()) {
+ printf("Resetting all buffer state failed.\n");
+ pass = false;
+ }
+
+ /* set last buffer's state */
+ set_state(num_buffers - 1,
+ GL_ZERO, GL_SRC_ALPHA,
+ GL_SRC_ALPHA, GL_ONE,
+ GL_FUNC_ADD, GL_FUNC_SUBTRACT);
+ if (!check_state_all_buffers()) {
+ printf("Setting last buffer state failed.\n");
+ pass = false;
+ }
+
+ /* set first buffer's state */
+ set_state(0,
+ GL_ONE, GL_ZERO,
+ GL_ZERO, GL_ONE,
+ GL_FUNC_SUBTRACT, GL_FUNC_ADD);
+ if (!check_state_all_buffers()) {
+ printf("Setting first buffer state failed.\n");
+ pass = false;
+ }
+
+ return pass;
+}
+
+
+
+enum piglit_result
+piglit_display(void)
+{
+ /* never get here */
+ return PIGLIT_PASS;
+}
+
+
+void
+piglit_init(int argc, char **argv)
+{
+ piglit_require_extension("GL_ARB_draw_buffers_blend");
+
+ glGetIntegerv(GL_MAX_DRAW_BUFFERS, &num_buffers);
+
+ num_buffers = MIN2(num_buffers, MAX_BUFFERS);
+
+ if (num_buffers < 2) {
+ printf("Need at least two draw buffers.\n");
+ piglit_report_result(PIGLIT_SKIP);
+ }
+
+ printf("Testing %d buffers\n", num_buffers);
+
+ piglit_report_result(test_modes() ? PIGLIT_PASS : PIGLIT_FAIL);
+}
--
1.9.1
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