[Piglit] [PATCH 14/15] arb_direct_state_access: Add non-DSA test for DrawBuffers.
Laura Ekstrand
laura at jlekstrand.net
Thu Mar 5 18:01:24 PST 2015
---
tests/all.py | 1 +
.../spec/arb_direct_state_access/CMakeLists.gl.txt | 1 +
.../arb_direct_state_access/drawbuffers-multi.c | 160 +++++++++++++++++++++
3 files changed, 162 insertions(+)
create mode 100644 tests/spec/arb_direct_state_access/drawbuffers-multi.c
diff --git a/tests/all.py b/tests/all.py
index 0ed7cfb..9b7f989 100644
--- a/tests/all.py
+++ b/tests/all.py
@@ -4035,6 +4035,7 @@ spec['ARB_direct_state_access']['fbattachmentparam-errors'] = PiglitGLTest(['arb
spec['ARB_direct_state_access']['invalidateframebuffer'] = PiglitGLTest(['arb_direct_state_access-invalidateframebuffer'], run_concurrent=True)
spec['ARB_direct_state_access']['clearnamedframebuffer'] = PiglitGLTest(['arb_direct_state_access-clearnamedframebuffer'], run_concurrent=True)
spec['ARB_direct_state_access']['drawbuffers'] = PiglitGLTest(['arb_direct_state_access-drawbuffers'], run_concurrent=True)
+spec['ARB_direct_state_access']['drawbuffers-multi'] = PiglitGLTest(['arb_direct_state_access-drawbuffers-multi'], run_concurrent=True)
arb_shader_image_load_store = spec['ARB_shader_image_load_store']
arb_shader_image_load_store['atomicity'] = PiglitGLTest(['arb_shader_image_load_store-atomicity'], run_concurrent=True)
diff --git a/tests/spec/arb_direct_state_access/CMakeLists.gl.txt b/tests/spec/arb_direct_state_access/CMakeLists.gl.txt
index c283321..0bc7364 100644
--- a/tests/spec/arb_direct_state_access/CMakeLists.gl.txt
+++ b/tests/spec/arb_direct_state_access/CMakeLists.gl.txt
@@ -32,6 +32,7 @@ piglit_add_executable (arb_direct_state_access-fbattachmentparam-errors fbattach
piglit_add_executable (arb_direct_state_access-invalidateframebuffer invalidateframebuffer.c)
piglit_add_executable (arb_direct_state_access-clearnamedframebuffer clearnamedframebuffer.c)
piglit_add_executable (arb_direct_state_access-drawbuffers drawbuffers.c)
+piglit_add_executable (arb_direct_state_access-drawbuffers-multi drawbuffers-multi.c)
piglit_add_executable (arb_direct_state_access-dsa-textures dsa-textures.c dsa-utils.c)
piglit_add_executable (arb_direct_state_access-texturesubimage texturesubimage.c)
piglit_add_executable (arb_direct_state_access-bind-texture-unit bind-texture-unit.c)
diff --git a/tests/spec/arb_direct_state_access/drawbuffers-multi.c b/tests/spec/arb_direct_state_access/drawbuffers-multi.c
new file mode 100644
index 0000000..06740b6
--- /dev/null
+++ b/tests/spec/arb_direct_state_access/drawbuffers-multi.c
@@ -0,0 +1,160 @@
+/*
+ * Copyright © 2015 Intel Corporation
+ *
+ * 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 drawbuffers-multi.c
+ *
+ * Tests explicitly setting the read and draw framebuffers. Tests drawing
+ * multiple fragments at the same time.
+ *
+ * Somewhat inspired by tests/general/read-front.c.
+ * Adapted from tests/spec/arb_direct_state_access/drawbuffers.c.
+ */
+
+#include "piglit-util-gl.h"
+#include "piglit-shader.h"
+#include "dsa-utils.h"
+
+PIGLIT_GL_TEST_CONFIG_BEGIN
+
+ config.supports_gl_compat_version = 32;
+
+ config.window_visual = PIGLIT_GL_VISUAL_RGBA |
+ PIGLIT_GL_VISUAL_DOUBLE;
+
+PIGLIT_GL_TEST_CONFIG_END
+
+/*
+ * You must use shaders in order to render to multiple buffers at once.
+ * These duplicate fixed-function gl 1.0 pipeline shading.
+ * Adapted from arb_clear_texture/3d.c.
+ */
+static const char vs_source[] =
+ "#version 140\n"
+ "in vec4 piglit_vertex;\n"
+ "uniform mat4 proj;\n"
+ "\n"
+ "void main()\n"
+ "{\n"
+ " gl_Position = proj * piglit_vertex;\n"
+ "}\n";
+
+static const char fs_source[] =
+ "#version 140\n"
+ "uniform vec4 red;\n"
+ "uniform vec4 green;\n"
+ "uniform vec4 blue;\n"
+ "\n"
+ "void main()\n"
+ "{\n"
+ " gl_FragData[0] = red;\n"
+ " gl_FragData[1] = green;\n"
+ " gl_FragData[2] = blue;\n"
+ "}\n";
+
+static bool pass = true;
+static GLuint program;
+static GLuint fbo;
+
+void
+piglit_init(int argc, char **argv)
+{
+ piglit_require_extension("GL_ARB_direct_state_access");
+ program = piglit_build_simple_program(vs_source, fs_source);
+}
+
+static void
+clear_subtest(float color[4], int att, const char *test_name)
+{
+ glBindFramebuffer(GL_READ_FRAMEBUFFER, 0);
+ glNamedFramebufferReadBuffer(fbo, GL_COLOR_ATTACHMENT0 + att);
+ glBindFramebuffer(GL_READ_FRAMEBUFFER, fbo);
+
+ piglit_check_gl_error(GL_NO_ERROR);
+ SUBTESTCONDITION(piglit_probe_rect_rgb(0, 0, piglit_width,
+ piglit_height, color), pass, test_name);
+}
+
+enum piglit_result
+piglit_display(void)
+{
+ float red[] = {1, 0, 0, 1};
+ float green[] = {0, 1, 0, 1};
+ float blue[] = {0, 0, 1, 1};
+ GLuint textures[3];
+ int i;
+ GLint red_uniform, green_uniform, blue_uniform, proj_uniform;
+ GLenum bufs[] = {GL_COLOR_ATTACHMENT0, GL_COLOR_ATTACHMENT1,
+ GL_COLOR_ATTACHMENT2};
+
+ /* Set up the shader program. */
+ glUseProgram(program);
+ red_uniform = glGetUniformLocation(program, "red");
+ glUniform4fv(red_uniform, 1, red);
+ green_uniform = glGetUniformLocation(program, "green");
+ glUniform4fv(green_uniform, 1, green);
+ blue_uniform = glGetUniformLocation(program, "blue");
+ glUniform4fv(blue_uniform, 1, blue);
+ proj_uniform = glGetUniformLocation(program, "proj");
+ piglit_ortho_uniform(proj_uniform, piglit_width, piglit_height);
+
+ /* Make a custom framebuffer with three color attachments */
+ glCreateFramebuffers(1, &fbo);
+ glCreateTextures(GL_TEXTURE_2D, 3, textures);
+ for (i = 0; i < 3; ++i) {
+ glTextureStorage2D(textures[i], 1, GL_RGBA8,
+ piglit_width, piglit_height);
+ glNamedFramebufferTexture(fbo, GL_COLOR_ATTACHMENT0 + i,
+ textures[i], 0);
+ }
+
+ glBindFramebuffer(GL_DRAW_FRAMEBUFFER, fbo);
+ glBindFramebuffer(GL_READ_FRAMEBUFFER, fbo);
+ piglit_check_gl_error(GL_NO_ERROR);
+
+ /* Set the draw buffers */
+ glDrawBuffers(3, bufs);
+
+ /* Draw the pretty colors. */
+ piglit_draw_rect(0, 0, piglit_width, piglit_height);
+
+ /* Make sure the correct colors were drawn */
+ clear_subtest(blue, 2, "Clear 2 to blue");
+ clear_subtest(red, 0, "Clear 0 to red");
+ clear_subtest(green, 1, "Clear 1 to green");
+
+ /* Show the results of the last subtest on the screen */
+ if (!piglit_automatic) {
+ glBindFramebuffer(GL_DRAW_FRAMEBUFFER, piglit_winsys_fbo);
+ glBlitFramebuffer(0, 0, piglit_width, piglit_height,
+ 0, 0, piglit_width, piglit_height,
+ GL_COLOR_BUFFER_BIT, GL_NEAREST);
+ piglit_present_results();
+ }
+
+
+ glDeleteTextures(3, textures);
+ glDeleteFramebuffers(1, &fbo);
+ glDeleteProgram(program);
+
+ return pass ? PIGLIT_PASS : PIGLIT_FAIL;
+}
--
2.1.0
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