tests/spec/arb_direct_state_access/texturesubimage.c

   1 /*
   2  * Copyright © 2011 VMware, Inc.
   3  * Copyright © 2014 Intel Corporation
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9  * and/or sell copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice (including the next
  13  * paragraph) shall be included in all copies or substantial portions of the
  14  * Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  21  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  22  * DEALINGS IN THE SOFTWARE.
  23  *
  24  */
  25
  26 /**
  27  * Test glTextureSubImage*D. This is pretty trivial, since it only uses
  28  * glTextureSubImage*D with offsets of 0 and the width, height, and depth of
  29  * the full image. Moreover, it doesn't test varying depths for the 3D case.
  30  * But since DSA functions share backends with the non-DSA ones, we really
  31  * only need to test entry points here.
  32  */
  33 #include "piglit-util-gl.h"
  34 #include <stdlib.h>
  35 #include <string.h>
  36 #include "dsa-utils.h"
  37
  38 PIGLIT_GL_TEST_CONFIG_BEGIN
  39
  40         config.supports_gl_core_version = 31;
  41         config.supports_gl_compat_version = 20;
  42
  43         config.window_visual = PIGLIT_GL_VISUAL_RGBA |
  44                                PIGLIT_GL_VISUAL_DOUBLE;
  45         config.khr_no_error_support = PIGLIT_NO_ERRORS;
  46
  47 PIGLIT_GL_TEST_CONFIG_END
  48
  49 GLubyte*
  50 random_image_data(int width, int height, int depth)
  51 {
  52         int i;
  53         GLubyte *img = malloc(4 * width * height * depth * sizeof(GLubyte));
  54         for (i = 0; i < 4 * width * height * depth; ++i) {
  55                 img[i] = rand() % 256;
  56         }
  57         return img;
  58 } /* random_image_data */
  59
  60 static int depth = 4;
  61 static GLubyte *refImg;
  62
  63 static enum piglit_result
  64 subtest(GLenum target)
  65 {
  66         bool pass = true;
  67         GLuint tex;
  68         GLuint prog;
  69
  70         prog = dsa_create_program(target);
  71
  72         /* Draw the reference image. */
  73         glCreateTextures(target, 1, &tex);
  74         glTextureParameteri(tex, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
  75         glTextureParameteri(tex, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
  76         if (target == GL_TEXTURE_1D) {
  77                 glTextureStorage1D(tex, 1, GL_RGBA8, piglit_width);
  78                 glTextureSubImage1D(tex, 0, 0, piglit_width, GL_RGBA,
  79                         GL_UNSIGNED_BYTE, refImg);
  80         } else if (target == GL_TEXTURE_2D) {
  81                 glTextureStorage2D(tex, 1, GL_RGBA8, piglit_width,
  82                                    piglit_height);
  83                 glTextureSubImage2D(tex, 0, 0, 0, piglit_width, piglit_height,
  84                                     GL_RGBA, GL_UNSIGNED_BYTE, refImg);
  85         } else if (target == GL_TEXTURE_3D) {
  86                 glTextureStorage3D(tex, 1, GL_RGBA8, piglit_width,
  87                                    piglit_height, depth);
  88                 glTextureSubImage3D(tex, 0, 0, 0, 0,
  89                                     piglit_width, piglit_height, 1,
  90                                     GL_RGBA, GL_UNSIGNED_BYTE,
  91                                     refImg);
  92         }
  93
  94         glUseProgram(prog);
  95         glBindTextureUnit(0, tex);
  96         glClear(GL_COLOR_BUFFER_BIT);
  97         piglit_draw_rect_tex(-1.0, -1.0, 2.0, 2.0, 0.0, 0.0, 1.0, 1.0);
  98         if (target == GL_TEXTURE_1D) {
  99                 pass = piglit_probe_image_ubyte(0, 0, piglit_width, 1,
 100                                                  GL_RGBA, refImg)
 101                         && pass;
 102         } else {
 103                 pass = piglit_probe_image_ubyte(0, 0, piglit_width,
 104                                                  piglit_height,
 105                                                  GL_RGBA, refImg)
 106                         && pass;
 107         }
 108
 109         glUseProgram(0);
 110         glDeleteProgram(prog);
 111
 112         if (!piglit_automatic)
 113                 piglit_present_results();
 114
 115         piglit_report_subtest_result(pass ? PIGLIT_PASS : PIGLIT_FAIL,
 116                                      "%s", piglit_get_gl_enum_name(target));
 117         return pass ? PIGLIT_PASS : PIGLIT_FAIL;
 118 }
 119
 120 enum piglit_result
 121 piglit_display(void)
 122 {
 123         static const GLenum targets[] = {
 124                 GL_TEXTURE_1D,
 125                 GL_TEXTURE_2D,
 126                 GL_TEXTURE_3D
 127         };
 128         int i;
 129         enum piglit_result result = PIGLIT_PASS;
 130         enum piglit_result subtest_result;
 131
 132         /* Loop over 1/2/3D texture targets */
 133         for (i = 0; i < ARRAY_SIZE(targets); i++) {
 134                 subtest_result = subtest(targets[i]);
 135                 if (subtest_result != PIGLIT_PASS)
 136                         result = PIGLIT_FAIL;
 137         }
 138
 139         return result;
 140 }
 141
 142
 143 void
 144 piglit_init(int argc, char **argv)
 145 {
 146         piglit_require_extension("GL_ARB_direct_state_access");
 147         piglit_require_extension("GL_ARB_texture_storage");
 148
 149         srand(0);
 150
 151         /* Make the image data for testing. */
 152         refImg = random_image_data(piglit_width, piglit_height, depth);
 153 }