diff options
| -rw-r--r-- | tests/all.tests | 1 | ||||
| -rw-r--r-- | tests/shaders/CMakeLists.txt | 1 | ||||
| -rw-r--r-- | tests/shaders/glsl-bindattriblocation.c | 137 |
3 files changed, 139 insertions, 0 deletions
diff --git a/tests/all.tests b/tests/all.tests index 7d1996b20..7209ab37c 100644 --- a/tests/all.tests +++ b/tests/all.tests @@ -221,6 +221,7 @@ add_shader_generic(shaders, 'glsl-copy-propagation-if-3') add_shader_generic(shaders, 'glsl-deadcode-call') add_shader_generic(shaders, 'glsl-deadcode-self-assign') add_shader_generic(shaders, 'glsl-deadcode-varying') +add_plain_test(shaders, 'glsl-bindattriblocation') add_plain_test(shaders, 'glsl-dlist-getattriblocation') add_plain_test(shaders, 'glsl-getattriblocation') add_plain_test(shaders, 'glsl-preprocessor-comments') diff --git a/tests/shaders/CMakeLists.txt b/tests/shaders/CMakeLists.txt index c00671ecd..24d4eb068 100644 --- a/tests/shaders/CMakeLists.txt +++ b/tests/shaders/CMakeLists.txt @@ -47,6 +47,7 @@ IF (UNIX) ENDIF (UNIX) add_executable (glsl-arb-fragment-coord-conventions glsl-arb-fragment-coord-conventions.c) add_executable (glsl-arb-fragment-coord-conventions-define glsl-arb-fragment-coord-conventions-define.c) +add_executable (glsl-bindattriblocation glsl-bindattriblocation.c) add_executable (glsl-bug-22603 glsl-bug-22603.c) add_executable (glsl-dlist-getattriblocation glsl-dlist-getattriblocation.c) add_executable (glsl-getattriblocation glsl-getattriblocation.c) diff --git a/tests/shaders/glsl-bindattriblocation.c b/tests/shaders/glsl-bindattriblocation.c new file mode 100644 index 000000000..adf97de50 --- /dev/null +++ b/tests/shaders/glsl-bindattriblocation.c @@ -0,0 +1,137 @@ +/* + * Copyright © 2009 Intel Corporation + * Copyright © 2010 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. + */ + +/** + * \file glsl-bindattriblocation.c + * + * Check glBindAttribLocation(). + * + * We create a simple vertex shader with a single user-defined vertex + * attribute bound to location 3 (or anything non-zero). Then try to + * draw a polygon. Mesa has (had) a draw-time validation check which + * no-op'd the draw if vertex array #0 was not enabled. + * + * This test is based on the glsl-dlist-getattriblocation.c test written + * by Ian. + * + * \author Ian Romanick <ian.d.romanick@intel.com> + * \author Brian Paul + */ + +#include "piglit-util.h" +#include "piglit-framework.h" + +int piglit_window_mode = GLUT_RGB | GLUT_DOUBLE; +int piglit_width = 100; +int piglit_height = 100; + +static const GLchar *vertShaderText = + "attribute vec4 attrib;\n" + "void main()\n" + "{\n" + " gl_Position = gl_ModelViewProjectionMatrix * attrib;\n" + " gl_FrontColor = vec4(0.0, 1.0, 0.0, 1.0);\n" + "} \n"; + + +static const GLfloat Vcoords[4][2] = { {-1, -1}, {1, -1}, {1, 1}, {-1, 1}}; + + +enum piglit_result +piglit_display(void) +{ + static const GLfloat expColor[4] = {0, 1, 0, 1}; + GLint vs; + GLint prog; + GLint stat; + GLint orig_attrib_loc, attrib_loc; + enum piglit_result result; + + vs = glCreateShader(GL_VERTEX_SHADER); + glShaderSource(vs, 1, &vertShaderText, NULL); + + glCompileShader(vs); + glGetShaderiv(vs, GL_COMPILE_STATUS, &stat); + if (!stat) { + fprintf(stderr, "glsl-bindattriblocation: error compiling vertex shader!\n"); + exit(1); + } + + prog = glCreateProgram(); + glAttachShader(prog, vs); + glLinkProgram(prog); + + orig_attrib_loc = glGetAttribLocation(prog, "attrib"); + if (!piglit_automatic) + printf("original attrib_loc = %d\n", orig_attrib_loc); + + /* Bind "attrib" to location 3 and re-link */ + glBindAttribLocation(prog, 3, "attrib"); + glLinkProgram(prog); + + /* check that the bind worked */ + attrib_loc = glGetAttribLocation(prog, "attrib"); + if (!piglit_automatic) + printf("new attrib_loc = %d\n", attrib_loc); + if (attrib_loc != 3) { + fprintf(stderr, "glsl-bindattriblocation: glBindAttribLocation failed\n"); + fprintf(stderr, " expectec location 3, found location %d\n", + attrib_loc); + return PIGLIT_FAILURE; + } + + /* now draw something and check that it works */ + glUseProgram(prog); + + glMatrixMode(GL_PROJECTION); + glLoadIdentity(); + glOrtho(-1.1, 1.1, -1.1, 1.1, -1, 1); + + glClear(GL_COLOR_BUFFER_BIT); + + glVertexAttribPointer(attrib_loc, 2, GL_FLOAT, GL_FALSE, 0, Vcoords); + glEnableVertexAttribArray(attrib_loc); + + glDrawArrays(GL_POLYGON, 0, 4); + + result = piglit_probe_pixel_rgba(20, 20, expColor) + ? PIGLIT_SUCCESS : PIGLIT_FAILURE; + + glDisableVertexAttribArray(attrib_loc); + + glutSwapBuffers(); + + return result; +} + + +void +piglit_init(int argc, char **argv) +{ + if (!GLEW_VERSION_2_0) { + printf("Requires OpenGL 2.0\n"); + piglit_report_result(PIGLIT_SKIP); + exit(1); + } +} |