[Piglit] [PATCH 4/5] Add gles2_shader_runner to ease OpenGL ES 2.0 test case development
Shuang He
shuang.he at intel.com
Thu Nov 25 00:00:22 PST 2010
---
tests/CMakeLists.txt | 3 +
tests/gles2/CMakeLists.txt | 21 +
tests/gles2/gles2_shader_runner.c | 763 +++++++++++++++++++++++++++++++++++++
3 files changed, 787 insertions(+), 0 deletions(-)
create mode 100644 tests/gles2/CMakeLists.txt
create mode 100644 tests/gles2/gles2_shader_runner.c
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 3d3a892..58f8070 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -13,6 +13,9 @@ add_subdirectory (spec)
IF(OPENGL_egl_LIBRARY)
add_subdirectory (egl)
+ IF(OPENGL_gles2_LIBRARY)
+ add_subdirectory (gles2)
+ ENDIF(OPENGL_gles2_LIBRARY)
ENDIF(OPENGL_egl_LIBRARY)
IF(${CMAKE_SYSTEM_NAME} MATCHES "Linux")
diff --git a/tests/gles2/CMakeLists.txt b/tests/gles2/CMakeLists.txt
new file mode 100644
index 0000000..9b86bf3
--- /dev/null
+++ b/tests/gles2/CMakeLists.txt
@@ -0,0 +1,21 @@
+add_definitions ( -DSOURCE_DIR="${piglit_SOURCE_DIR}/" )
+
+include_directories(
+ ${OPENGL_INCLUDE_PATH}
+ ${piglit_SOURCE_DIR}/tests/util/
+)
+
+link_directories (
+ ${piglit_SOURCE_DIR}/tests/util/
+ ${piglit_SOURCE_DIR}/tests/util/glut_egl
+)
+
+link_libraries (
+ ${OPENGL_gles2_LIBRARY}
+ ${OPENGL_egl_LIBRARY}
+ piglitglutegl_x11
+ piglitegl_gles2util
+)
+
+add_executable (gles2_shader_runner gles2_shader_runner.c ../util/shader-load.c)
+target_link_libraries(gles2_shader_runner X11)
diff --git a/tests/gles2/gles2_shader_runner.c b/tests/gles2/gles2_shader_runner.c
new file mode 100644
index 0000000..b91836f
--- /dev/null
+++ b/tests/gles2/gles2_shader_runner.c
@@ -0,0 +1,763 @@
+/*
+ * Copyright © 2010 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.
+ */
+
+/**
+ * Shader runner for OpenGL ES 2.0.
+ *
+ * \author Shuang He <shuang.he at intel.com>
+ */
+
+
+#define _GNU_SOURCE
+#if defined(_MSC_VER)
+#define bool BOOL
+#define true 1
+#define false 0
+#else
+#include <stdbool.h>
+#endif
+#include <string.h>
+#include <ctype.h>
+#include "piglit-gles2-util.h"
+#include "piglit-egl-gles2-framework.h"
+#include <GLES2/gl2.h>
+
+int piglit_width = 250, piglit_height = 250;
+
+static float gles_version = 0.0;
+static float essl_version = 0.0;
+
+const char *path = NULL;
+const char *test_start = NULL;
+
+GLuint vertex_shaders[256];
+unsigned num_vertex_shaders = 0;
+GLuint fragment_shaders[256];
+unsigned num_fragment_shaders = 0;
+
+/**
+ * List of strings loaded from files
+ *
+ * Some test script sections, such as "[vertex shader file]", can supply shader
+ * source code from multiple disk files. This array stores those strings.
+ */
+
+char *shader_strings[256];
+GLsizei shader_string_sizes[256];
+unsigned num_shader_strings = 0;
+GLuint prog;
+
+enum states {
+ none = 0,
+ requirements,
+ vertex_shader,
+ vertex_shader_file,
+ fragment_shader,
+ fragment_shader_file,
+ test,
+};
+
+
+enum comparison {
+ equal = 0,
+ not_equal,
+ less,
+ greater_equal,
+ greater,
+ less_equal
+};
+
+
+void
+compile_glsl(GLenum target, bool release_text)
+{
+ GLuint shader = glCreateShader(target);
+ GLint ok;
+ unsigned i;
+
+ glShaderSource(shader, num_shader_strings,
+ (const GLchar **) shader_strings, shader_string_sizes);
+
+ glCompileShader(shader);
+
+ glGetShaderiv(shader, GL_COMPILE_STATUS, &ok);
+
+ if (!ok) {
+ GLchar *info;
+ GLint size;
+
+ glGetShaderiv(shader, GL_INFO_LOG_LENGTH, &size);
+ info = malloc(size);
+
+ glGetShaderInfoLog(shader, size, NULL, info);
+
+ fprintf(stderr, "Failed to compile %s: %s\n",
+ target == GL_FRAGMENT_SHADER ? "FS" : "VS",
+ info);
+
+ free(info);
+ piglit_report_result(PIGLIT_FAILURE);
+ }
+
+ if (release_text) {
+ for (i = 0; i < num_shader_strings; i++)
+ free(shader_strings[i]);
+ }
+
+ switch (target) {
+ case GL_VERTEX_SHADER:
+ vertex_shaders[num_vertex_shaders] = shader;
+ num_vertex_shaders++;
+ break;
+ case GL_FRAGMENT_SHADER:
+ fragment_shaders[num_fragment_shaders] = shader;
+ num_fragment_shaders++;
+ break;
+ }
+}
+
+/**
+ * Copy a string until either whitespace or the end of the string
+ */
+const char *
+strcpy_to_space(char *dst, const char *src)
+{
+ while (!isspace(*src) && (*src != '\0'))
+ *(dst++) = *(src++);
+
+ *dst = '\0';
+ return src;
+}
+
+
+/**
+ * Skip over whitespace upto the end of line
+ */
+const char *
+eat_whitespace(const char *src)
+{
+ while (isspace(*src) && (*src != '\n'))
+ src++;
+
+ return src;
+}
+
+
+/**
+ * Skip over non-whitespace upto the end of line
+ */
+const char *
+eat_text(const char *src)
+{
+ while (!isspace(*src) && (*src != '\0'))
+ src++;
+
+ return src;
+}
+
+
+/**
+ * Compare two values given a specified comparison operator
+ */
+bool
+compare(float ref, float value, enum comparison cmp)
+{
+ switch (cmp) {
+ case equal: return value == ref;
+ case not_equal: return value != ref;
+ case less: return value < ref;
+ case greater_equal: return value >= ref;
+ case greater: return value > ref;
+ case less_equal: return value <= ref;
+ }
+
+ assert(!"Should not get here.");
+}
+
+
+/**
+ * Get the string representation of a comparison operator
+ */
+const char *
+comparison_string(enum comparison cmp)
+{
+ switch (cmp) {
+ case equal: return "==";
+ case not_equal: return "!=";
+ case less: return "<";
+ case greater_equal: return ">=";
+ case greater: return ">";
+ case less_equal: return "<=";
+ }
+
+ assert(!"Should not get here.");
+}
+
+
+void
+load_shader_file(const char *line)
+{
+ GLsizei *const size = &shader_string_sizes[num_shader_strings];
+ char buf[256];
+ char *text;
+
+ strcpy_to_space(buf, line);
+
+ text = piglit_load_text_file(buf, (unsigned *) size);
+ if ((text == NULL) && (path != NULL)) {
+ const size_t len = strlen(path);
+
+ memcpy(buf, path, len);
+ buf[len] = '/';
+ strcpy_to_space(&buf[len + 1], line);
+
+ text = piglit_load_text_file(buf, (unsigned *) size);
+ }
+
+ if (text == NULL) {
+ strcpy_to_space(buf, line);
+
+ printf("could not load file \"%s\"\n", buf);
+ piglit_report_result(PIGLIT_FAILURE);
+ }
+
+ shader_strings[num_shader_strings] = text;
+ num_shader_strings++;
+}
+
+
+/**
+ * Parse a binary comparison operator and return the matching token
+ */
+const char *
+process_comparison(const char *src, enum comparison *cmp)
+{
+ char buf[32];
+
+ switch (src[0]) {
+ case '=':
+ if (src[1] == '=') {
+ *cmp = equal;
+ return src + 2;
+ }
+ break;
+ case '<':
+ if (src[1] == '=') {
+ *cmp = less_equal;
+ return src + 2;
+ } else {
+ *cmp = less;
+ return src + 1;
+ }
+ case '>':
+ if (src[1] == '=') {
+ *cmp = greater_equal;
+ return src + 2;
+ } else {
+ *cmp = greater;
+ return src + 1;
+ }
+ case '!':
+ if (src[1] == '=') {
+ *cmp = not_equal;
+ return src + 2;
+ }
+ break;
+ }
+
+ strncpy(buf, src, sizeof(buf));
+ buf[sizeof(buf) - 1] = '\0';
+ printf("invalid comparison in test script:\n%s\n", buf);
+ piglit_report_result(PIGLIT_FAILURE);
+
+ /* Won't get here. */
+ return NULL;
+}
+
+/**
+ * Parse and check a line from the requirement section of the test
+ */
+void
+process_requirement(const char *line)
+{
+ char buffer[4096];
+
+ /* There are three types of requirements that a test can currently
+ * have:
+ *
+ * * Require that some GL extension be supported
+ * * Require some particular versions of GL
+ * * Require some particular versions of GLSL
+ *
+ * The tests for GL and GLSL versions can be equal, not equal,
+ * less, less-or-equal, greater, or greater-or-equal. Extension tests
+ * can also require that a particular extension not be supported by
+ * prepending ! to the extension name.
+ */
+ if (strncmp("GL_OES", line, 7) == 0) {
+ strcpy_to_space(buffer, line + 7);
+ piglit_require_extension(buffer);
+ } else if (strncmp("!GL_OES", line, 8) == 0) {
+ strcpy_to_space(buffer, line + 8);
+ piglit_require_not_extension(buffer);
+ } else if (strncmp("ESSL", line, 4) == 0) {
+ enum comparison cmp;
+ float version;
+
+ line = eat_whitespace(line + 4);
+
+ line = process_comparison(line, &cmp);
+
+ version = strtod(line, NULL);
+ if (!compare(version, essl_version, cmp)) {
+ printf("Test requires GLSL ES version %s %.1f. "
+ "Actual version is %.1f.\n",
+ comparison_string(cmp),
+ version,
+ essl_version);
+ piglit_report_result(PIGLIT_SKIP);
+ }
+ } else if (strncmp("GLES", line, 4) == 0) {
+ enum comparison cmp;
+ float version;
+
+ line = eat_whitespace(line + 4);
+
+ line = process_comparison(line, &cmp);
+
+ version = strtod(line, NULL);
+ if (!compare(version, gles_version, cmp)) {
+ printf("Test requires GL ES version %s %.1f. "
+ "Actual version is %.1f.\n",
+ comparison_string(cmp),
+ version,
+ gles_version);
+ piglit_report_result(PIGLIT_SKIP);
+ }
+ }
+}
+
+void
+leave_state(enum states state, const char *line)
+{
+ switch (state) {
+ case none:
+ break;
+
+ case requirements:
+ break;
+
+ case vertex_shader:
+ shader_string_sizes[0] = line - shader_strings[0];
+ num_shader_strings = 1;
+ compile_glsl(GL_VERTEX_SHADER, false);
+ break;
+
+ case vertex_shader_file:
+ compile_glsl(GL_VERTEX_SHADER, true);
+ break;
+
+ case fragment_shader:
+ shader_string_sizes[0] = line - shader_strings[0];
+ num_shader_strings = 1;
+ compile_glsl(GL_FRAGMENT_SHADER, false);
+ break;
+
+ case fragment_shader_file:
+ compile_glsl(GL_FRAGMENT_SHADER, true);
+ break;
+
+ case test:
+ break;
+
+ default:
+ assert(!"Not yet supported.");
+ }
+}
+
+
+void
+link_and_use_shaders(void)
+{
+ unsigned i;
+ GLenum err;
+ GLint ok;
+
+ if ((num_vertex_shaders == 0)
+ && (num_fragment_shaders == 0))
+ return;
+
+ prog = glCreateProgram();
+ glBindAttribLocation(prog, PIGLIT_ATTRIB_POS, "piglit_Position");
+ glBindAttribLocation(prog, PIGLIT_ATTRIB_TEX, "piglit_TexCoord");
+
+ for (i = 0; i < num_vertex_shaders; i++) {
+ glAttachShader(prog, vertex_shaders[i]);
+ }
+
+ for (i = 0; i < num_fragment_shaders; i++) {
+ glAttachShader(prog, fragment_shaders[i]);
+ }
+
+ glLinkProgram(prog);
+
+ for (i = 0; i < num_vertex_shaders; i++) {
+ glDeleteShader(vertex_shaders[i]);
+ }
+
+ for (i = 0; i < num_fragment_shaders; i++) {
+ glDeleteShader(fragment_shaders[i]);
+ }
+
+ glGetProgramiv(prog, GL_LINK_STATUS, &ok);
+ if (!ok) {
+ GLchar *info;
+ GLint size;
+
+ glGetProgramiv(prog, GL_INFO_LOG_LENGTH, &size);
+ info = malloc(size);
+
+ glGetProgramInfoLog(prog, size, NULL, info);
+
+ fprintf(stderr, "Failed to link:\n%s\n",
+ info);
+
+ free(info);
+ piglit_report_result(PIGLIT_FAILURE);
+ }
+
+ glUseProgram(prog);
+
+ err = glGetError();
+ if (err) {
+ GLchar *info;
+ GLint size;
+
+ printf("GL error after linking program: 0x%04x\n", err);
+
+ glGetProgramiv(prog, GL_INFO_LOG_LENGTH, &size);
+ info = malloc(size);
+
+ glGetProgramInfoLog(prog, size, NULL, info);
+ fprintf(stderr, "Info log: %s\n", info);
+
+ piglit_report_result(PIGLIT_FAILURE);
+ }
+}
+
+
+void
+process_test_script(const char *script_name)
+{
+ unsigned text_size;
+ char *text = piglit_load_text_file(script_name, &text_size);
+ enum states state = none;
+ const char *line = text;
+
+ if (line == NULL) {
+ printf("could not read file \"%s\"\n", script_name);
+ piglit_report_result(PIGLIT_FAILURE);
+ }
+
+ while (line[0] != '\0') {
+ if (line[0] == '[') {
+ leave_state(state, line);
+
+ if (strncmp(line, "[require]", 9) == 0) {
+ state = requirements;
+ } else if (strncmp(line, "[vertex shader]", 15) == 0) {
+ state = vertex_shader;
+ shader_strings[0] = NULL;
+ } else if (strncmp(line, "[vertex shader file]", 20) == 0) {
+ state = vertex_shader_file;
+ shader_strings[0] = NULL;
+ num_shader_strings = 0;
+ } else if (strncmp(line, "[fragment shader]", 17) == 0) {
+ state = fragment_shader;
+ shader_strings[0] = NULL;
+ } else if (strncmp(line, "[fragment shader file]", 22) == 0) {
+ state = fragment_shader_file;
+ shader_strings[0] = NULL;
+ num_shader_strings = 0;
+ } else if (strncmp(line, "[test]", 6) == 0) {
+ test_start = strchrnul(line, '\n');
+ if (test_start[0] != '\0')
+ test_start++;
+ return;
+ }
+ } else {
+ switch (state) {
+ case none:
+ break;
+
+ case requirements:
+ process_requirement(line);
+ break;
+
+ case vertex_shader:
+ case fragment_shader:
+ if (shader_strings[0] == NULL)
+ shader_strings[0] = (char *) line;
+ break;
+
+ case vertex_shader_file:
+ case fragment_shader_file:
+ line = eat_whitespace(line);
+ if ((line[0] != '\n') && (line[0] != '#'))
+ load_shader_file(line);
+ break;
+
+ case test:
+ break;
+ }
+ }
+
+ line = strchrnul(line, '\n');
+ if (line[0] != '\0')
+ line++;
+ }
+
+ leave_state(state, line);
+}
+
+
+void
+get_floats(const char *line, float *f, unsigned count)
+{
+ unsigned i;
+
+ for (i = 0; i < count; i++)
+ f[i] = strtod(line, (char **) &line);
+}
+
+
+void
+set_uniform(const char *line)
+{
+ char name[512];
+ float f[16];
+ GLuint prog;
+ GLint loc;
+ const char *type;
+
+ glGetIntegerv(GL_CURRENT_PROGRAM, (GLint *) &prog);
+
+ type = eat_whitespace(line);
+ line = eat_text(type);
+
+ line = strcpy_to_space(name, eat_whitespace(line));
+ loc = glGetUniformLocation(prog, name);
+ if (loc < 0) {
+ printf("cannot get location of uniform \"%s\"\n",
+ name);
+ piglit_report_result(PIGLIT_FAILURE);
+ }
+
+ if (strncmp("float", type, 5) == 0) {
+ get_floats(line, f, 1);
+ glUniform1fv(loc, 1, f);
+ return;
+ } else if (strncmp("int", type, 3) == 0) {
+ int val = atoi(line);
+ glUniform1i(loc, val);
+ return;
+ } else if (strncmp("vec", type, 3) == 0) {
+ switch (type[3]) {
+ case '2':
+ get_floats(line, f, 2);
+ glUniform2fv(loc, 1, f);
+ return;
+ case '3':
+ get_floats(line, f, 3);
+ glUniform3fv(loc, 1, f);
+ return;
+ case '4':
+ get_floats(line, f, 4);
+ glUniform4fv(loc, 1, f);
+ return;
+ }
+ }
+
+ strcpy_to_space(name, type);
+ printf("unknown uniform type \"%s\"", name);
+ piglit_report_result(PIGLIT_FAILURE);
+
+ return;
+}
+
+static GLboolean
+string_match(const char *string, const char *line)
+{
+ return (strncmp(string, line, strlen(string)) == 0);
+}
+
+enum piglit_result
+piglit_display(void)
+{
+ const char *line;
+ bool pass = true;
+ GLbitfield clear_bits = 0;
+
+ if (test_start == NULL)
+ return PIGLIT_SUCCESS;
+
+
+ line = test_start;
+ while (line[0] != '\0') {
+ float c[32];
+ int x, y, w, h, tex, level;
+
+ line = eat_whitespace(line);
+
+ if (string_match("clear color", line)) {
+ get_floats(line + 11, c, 4);
+ glClearColor(c[0], c[1], c[2], c[3]);
+ clear_bits |= GL_COLOR_BUFFER_BIT;
+ } else if (string_match("clear", line)) {
+ glClear(clear_bits);
+ } else if (string_match("draw rect", line)) {
+ get_floats(line + 9, c, 4);
+ piglit_draw_rect(c[0], c[1], c[2], c[3]);
+ } else if (string_match("back rect", line)) {
+ get_floats(line + 9, c, 4);
+ piglit_draw_rect_back(c[0], c[1], c[2], c[3]);
+ } else if (string_match("probe rgba", line)) {
+ get_floats(line + 10, c, 6);
+ if (!piglit_probe_pixel_rgba((int) c[0], (int) c[1],
+ & c[2])) {
+ pass = false;
+ }
+ } else if (sscanf(line,
+ "relative probe rgba ( %f , %f ) "
+ "( %f , %f , %f , %f )",
+ c + 0, c + 1,
+ c + 2, c + 3, c + 4, c + 5) == 6) {
+ x = c[0] * piglit_width;
+ y = c[1] * piglit_width;
+ if (x >= piglit_width)
+ x = piglit_width - 1;
+ if (y >= piglit_height)
+ y = piglit_height - 1;
+
+ if (!piglit_probe_pixel_rgba(x, y, &c[2])) {
+ pass = false;
+ }
+ } else if (string_match("probe rgb", line)) {
+ get_floats(line + 9, c, 5);
+ if (!piglit_probe_pixel_rgb((int) c[0], (int) c[1],
+ & c[2])) {
+ pass = false;
+ }
+ } else if (sscanf(line,
+ "relative probe rgb ( %f , %f ) "
+ "( %f , %f , %f )",
+ c + 0, c + 1,
+ c + 2, c + 3, c + 4) == 5) {
+ x = c[0] * piglit_width;
+ y = c[1] * piglit_width;
+ if (x >= piglit_width)
+ x = piglit_width - 1;
+ if (y >= piglit_height)
+ y = piglit_height - 1;
+
+ if (!piglit_probe_pixel_rgb(x, y, &c[2])) {
+ pass = false;
+ }
+ } else if (string_match("probe all rgba", line)) {
+ get_floats(line + 14, c, 4);
+ pass = pass &&
+ piglit_probe_rect_rgba(0, 0, piglit_width,
+ piglit_height, c);
+ } else if (string_match("probe all rgb", line)) {
+ get_floats(line + 13, c, 3);
+ pass = pass &&
+ piglit_probe_rect_rgb(0, 0, piglit_width,
+ piglit_height, c);
+ } else if (sscanf(line,
+ "texture rgbw %d ( %d , %d )",
+ &tex, &w, &h) == 3) {
+ glActiveTexture(GL_TEXTURE0 + tex);
+ piglit_rgbw_texture(GL_RGBA, w, h, GL_FALSE, GL_FALSE);
+ glEnable(GL_TEXTURE_2D);
+ } else if (sscanf(line,
+ "texture checkerboard %d %d ( %d , %d ) "
+ "( %f , %f , %f , %f ) "
+ "( %f , %f , %f , %f )",
+ &tex, &level, &w, &h,
+ c + 0, c + 1, c + 2, c + 3,
+ c + 4, c + 5, c + 6, c + 7) == 12) {
+ glActiveTexture(GL_TEXTURE0 + tex);
+ piglit_checkerboard_texture(0, level,
+ w, h,
+ w / 2, h / 2,
+ c + 0, c + 4);
+ glEnable(GL_TEXTURE_2D);
+ } else if (string_match("uniform", line)) {
+ set_uniform(line + 7);
+ } else if ((line[0] != '\n') && (line[0] != '\0')
+ && (line[0] != '#')) {
+ printf("unknown command \"%s\"", line);
+ piglit_report_result(PIGLIT_FAILURE);
+ }
+
+ line = strchrnul(line, '\n');
+ if (line[0] != '\0')
+ line++;
+ }
+
+ if (piglit_automatic) {
+ /* Free our resources, useful for valgrinding. */
+ glDeleteProgram(prog);
+ glUseProgram(0);
+ }
+
+ return pass ? PIGLIT_SUCCESS : PIGLIT_FAILURE;
+}
+
+
+void
+piglit_init(int argc, char **argv)
+{
+ const char *essl_version_string;
+
+ /* OpenGL ES version string is in the form of :
+ * OpenGL<space>ES<space><version number><space><vendor-specific information>
+ */
+ gles_version = strtod((char *) glGetString(GL_VERSION)+10, NULL);
+
+ essl_version_string = (char *)
+ glGetString(GL_SHADING_LANGUAGE_VERSION);
+
+ /* OpenGL ES SHADING_LANGUAGE_VERSION string is in the form of :
+ * OpenGL<space>ES<space><GLSL><space>ES<space><version number><space>
+ * <vendor-specific information>
+ */
+ essl_version = (essl_version_string == NULL)
+ ? 0.0 : strtod(essl_version_string+18, NULL);
+
+ if (argc > 2)
+ path = argv[2];
+
+ process_test_script(argv[1]);
+ link_and_use_shaders();
+}
--
1.7.0.1
More information about the Piglit
mailing list