[Piglit] [v5 11/12] tests: spec: EXT_image_dma_buf_import sample xrgb with miptree

Topi Pohjolainen topi.pohjolainen at intel.com
Fri May 3 04:26:21 PDT 2013


Signed-off-by: Topi Pohjolainen <topi.pohjolainen at intel.com>
---
 .../ext_image_dma_buf_import/CMakeLists.gles2.txt  |   1 +
 .../ext_image_dma_buf_fourcc.h                     |   1 +
 .../ext_image_dma_buf_import/sample_xrgb8888.c     | 218 +++++++++++++++++++++
 3 files changed, 220 insertions(+)
 create mode 100644 tests/spec/ext_image_dma_buf_import/sample_xrgb8888.c

diff --git a/tests/spec/ext_image_dma_buf_import/CMakeLists.gles2.txt b/tests/spec/ext_image_dma_buf_import/CMakeLists.gles2.txt
index c9b745a..d92c3ba 100644
--- a/tests/spec/ext_image_dma_buf_import/CMakeLists.gles2.txt
+++ b/tests/spec/ext_image_dma_buf_import/CMakeLists.gles2.txt
@@ -10,5 +10,6 @@ link_libraries(
 	)
 
 piglit_add_executable(ext_image_dma_buf_import-sample_argb8888 sample_argb8888.c)
+piglit_add_executable(ext_image_dma_buf_import-sample_xrgb8888 sample_xrgb8888.c)
 
 # vim: ft=cmake:
diff --git a/tests/spec/ext_image_dma_buf_import/ext_image_dma_buf_fourcc.h b/tests/spec/ext_image_dma_buf_import/ext_image_dma_buf_fourcc.h
index 7d39d5c..ec8fec2 100644
--- a/tests/spec/ext_image_dma_buf_import/ext_image_dma_buf_fourcc.h
+++ b/tests/spec/ext_image_dma_buf_import/ext_image_dma_buf_fourcc.h
@@ -26,6 +26,7 @@
 #define fourcc_code(a,b,c,d) ((uint32_t)(a) | ((uint32_t)(b) << 8) | \
 				((uint32_t)(c) << 16) | ((uint32_t)(d) << 24))
 #define DRM_FORMAT_ARGB8888 fourcc_code('A', 'R', '2', '4')
+#define DRM_FORMAT_XRGB8888 fourcc_code('X', 'R', '2', '4')
 #define DRM_FORMAT_INVALID fourcc_code('F', 'O', 'O', '0')
 #define DRM_FORMAT_YUV420 fourcc_code('Y', 'U', '1', '2')
 
diff --git a/tests/spec/ext_image_dma_buf_import/sample_xrgb8888.c b/tests/spec/ext_image_dma_buf_import/sample_xrgb8888.c
new file mode 100644
index 0000000..b0f2195
--- /dev/null
+++ b/tests/spec/ext_image_dma_buf_import/sample_xrgb8888.c
@@ -0,0 +1,218 @@
+/*
+ * Copyright © 2013 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.
+ */
+
+#define GL_GLEXT_PROTOTYPES 1
+#include "piglit-util-egl.h"
+#define EGL_EGLEXT_PROTOTYPES 1
+#include <EGL/eglext.h>
+#include <unistd.h>
+#include "ext_image_dma_buf_fourcc.h"
+
+/**
+ * @file sample_xrgb8888.c
+ *
+ * Create EGL image out of XRGB8888 formatted dma buffer, bind as texture and
+ * sample it using a shader program. Here one wants to see alpha channels set
+ * to 1.0 regardless of the source.
+ */
+
+PIGLIT_GL_TEST_CONFIG_BEGIN
+
+	config.supports_gl_es_version = 20;
+
+PIGLIT_GL_TEST_CONFIG_END
+
+static const char fs_src[] =
+	"uniform sampler2D sampler;\n"
+	"varying vec2 texcoords;\n"
+	"\n"
+	"void main()\n"
+	"{\n"
+	"gl_FragColor = texture2D(sampler, texcoords);\n"
+	"}\n";
+static const char vs_src[] =
+	"attribute vec4 position;\n"
+	"varying vec2 texcoords;\n"
+	"\n"
+	"void main()\n"
+	"{\n"
+	"texcoords = 0.5 * (position.xy + vec2(1.0, 1.0));\n"
+	"gl_Position = position;\n"
+	"}\n";
+
+static GLuint
+make_program(const char *vs, const char *fs)
+{
+	GLuint prog, tmp;
+
+	prog = glCreateProgram();
+
+	tmp = piglit_compile_shader_text(GL_VERTEX_SHADER, vs);
+	glAttachShader(prog, tmp);
+
+	tmp = piglit_compile_shader_text(GL_FRAGMENT_SHADER, fs);
+	glAttachShader(prog, tmp);
+
+	glLinkProgram(prog);
+	if (!piglit_link_check_status(prog))
+		piglit_report_result(PIGLIT_FAIL);
+
+	glUseProgram(prog);
+
+	return prog;
+}
+
+void set_vertices(GLuint prog)
+{
+	static const GLfloat v[] = { -1.0f,  1.0f, -1.0f, -1.0f,
+				      1.0f, -1.0f,  1.0f,  1.0f };
+
+	GLint i = glGetAttribLocation(prog, "position");
+	glVertexAttribPointer(i, 2, GL_FLOAT, GL_FALSE, 0, v);
+	glEnableVertexAttribArray(i);
+}
+
+static bool
+sample_and_destroy_img(unsigned w, unsigned h, EGLImageKHR img)
+{
+	GLuint prog, tex;
+
+	glGenTextures(1, &tex);
+	glBindTexture(GL_TEXTURE_2D, tex);
+
+	/* Set the image as level zero */
+	glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, (GLeglImageOES)img);
+	if (!piglit_check_egl_error(EGL_SUCCESS))
+		return false;
+
+	/**
+	 * Let the GL-stack to generate the rest of the mipmap-levels based on
+	 * the level zero.
+	 */
+	glGenerateMipmap(GL_TEXTURE_2D);
+
+	prog = make_program(vs_src, fs_src);
+
+	glUniform1i(glGetUniformLocation(prog, "sampler"), 0);
+	set_vertices(prog);
+
+	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+	glViewport(0, 0, w, h);
+	glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
+
+	glDeleteProgram(prog);
+	glUseProgram(0);
+
+	glDeleteTextures(1, &tex);
+	eglDestroyImageKHR(eglGetCurrentDisplay(), img);
+
+	return true;
+}
+
+static bool
+sample_buffer(void *buf, int fd, unsigned w, unsigned h, unsigned stride,
+	unsigned offset)
+{
+	EGLImageKHR img;
+	EGLint attr[] = {
+		EGL_WIDTH, w,
+		EGL_HEIGHT, h,
+		EGL_LINUX_DRM_FOURCC_EXT, DRM_FORMAT_XRGB8888,
+		EGL_DMA_BUF_PLANE0_FD_EXT, fd,
+		EGL_DMA_BUF_PLANE0_OFFSET_EXT, offset,
+		EGL_DMA_BUF_PLANE0_PITCH_EXT, stride,
+		EGL_NONE
+	};
+
+	/**
+	 * The spec says:
+	 *
+	 *     "If <target> is EGL_LINUX_DMA_BUF_EXT, <dpy> must be a valid
+	 *      display, <ctx> must be EGL_NO_CONTEXT, and <buffer> must be
+	 *      NULL, cast into the type EGLClientBuffer."
+	 */
+	img = eglCreateImageKHR(eglGetCurrentDisplay(), EGL_NO_CONTEXT,
+			EGL_LINUX_DMA_BUF_EXT, (EGLClientBuffer)0, attr);
+
+	/**
+	 * Release the creator side of the buffer, EGL should have the
+	 * ownership now.
+	 */
+	piglit_destroy_dma_buf(buf);
+
+	/* Close the file descriptor also, EGL does not have ownership */
+	if (!piglit_check_egl_error(EGL_SUCCESS)) {
+		close(fd);
+		return false;
+	}
+
+	if (!img) {
+		fprintf(stderr, "image creation succeed but returned NULL\n");
+		return false;
+	}
+
+	return sample_and_destroy_img(w, h, img);
+}
+
+enum piglit_result
+piglit_display(void)
+{
+	const unsigned char src[2 * 2 * 4] = {
+		10, 20, 30, 40, 50, 60, 70, 80,
+		11, 22, 33, 44, 55, 66, 77, 88 };
+	struct piglit_dma_buf *buf;
+	unsigned stride, offset, i, j;
+	int fd;
+	enum piglit_result res;
+
+	res = piglit_create_dma_buf(2, 2, 4, src, 2 * 4, &buf, &fd, &stride,
+				&offset);
+	if (res != PIGLIT_PASS)
+		return res;
+
+	if (!sample_buffer(buf, fd, 2, 2, stride, offset))
+		return PIGLIT_FAIL;
+
+ 	for (i = 0; i < 2; ++i) {
+ 		for (j = 0; j < 2; ++j) {
+			const float expected[] = {
+				src[i * 2 * 4 + j * 4 + 2] / 255.0f,
+				src[i * 2 * 4 + j * 4 + 1] / 255.0f,
+				src[i * 2 * 4 + j * 4 + 0] / 255.0f,
+				1.0 };
+
+			if (!piglit_probe_pixel_rgba(j, i, expected))
+				return PIGLIT_FAIL;
+		}
+	}
+
+	return PIGLIT_PASS;
+}
+
+void
+piglit_init(int argc, char **argv)
+{
+	piglit_require_extension("GL_OES_EGL_image");
+	piglit_require_egl_extension("EGL_EXT_image_dma_buf_import");
+}
-- 
1.8.1.2



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