tests/spec/ext_window_rectangles/dlist.c

   1 /*
   2  * Copyright (C) 2016 Ilia Mirkin
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  21  * IN THE SOFTWARE.
  22  */
  23
  24 /**
  25  * \file dlist.c
  26  *
  27  * Test that glWindowRectanglesEXT works inside of a call list. See
  28  * draw.c for testing technique comments.
  29  */
  30
  31 #include "piglit-util-gl.h"
  32
  33 PIGLIT_GL_TEST_CONFIG_BEGIN
  34
  35         config.supports_gl_compat_version = 30;
  36         config.window_visual = PIGLIT_GL_VISUAL_RGB | PIGLIT_GL_VISUAL_DOUBLE;
  37
  38 PIGLIT_GL_TEST_CONFIG_END
  39
  40 GLint prog, color;
  41 GLuint fb;
  42
  43 enum piglit_result
  44 piglit_display(void)
  45 {
  46         static const float blue[4] = {0, 0, 1, 1};
  47         static const float green[4] = {0, 1, 0, 1};
  48         static const float red[4] = {1, 0, 0, 1};
  49         static const int rect[4] = {10, 10, 10, 10};
  50
  51         GLuint list;
  52         bool passa = true, passb = true;
  53
  54         glBindFramebuffer(GL_FRAMEBUFFER, fb);
  55         glUseProgram(prog);
  56
  57         glViewport(0, 0, 20, 20);
  58
  59         glClearColor(0, 0, 1, 1);
  60         glClear(GL_COLOR_BUFFER_BIT);
  61
  62         list = glGenLists(2);
  63
  64         /* Try a single rect in exclusive mode */
  65         glNewList(list, GL_COMPILE_AND_EXECUTE);
  66         glWindowRectanglesEXT(GL_EXCLUSIVE_EXT, 1, rect);
  67         glUniform4fv(color, 1, green);
  68         glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
  69         glEndList();
  70
  71         if (!piglit_probe_rect_rgba(0, 0, 10, 10, green)) {
  72                 printf("  FAIL: green color not filled in \n");
  73                 passa = false;
  74         }
  75         if (!piglit_probe_rect_rgba(10, 10, 10, 10, blue)) {
  76                 printf("  FAIL: green color fills in excluded area\n");
  77                 passa = false;
  78         }
  79
  80         /* And now in inclusive mode */
  81         glNewList(list + 1, GL_COMPILE_AND_EXECUTE);
  82         glWindowRectanglesEXT(GL_INCLUSIVE_EXT, 1, rect);
  83         glUniform4fv(color, 1, red);
  84         glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
  85         glEndList();
  86
  87         if (!piglit_probe_rect_rgba(0, 0, 10, 10, green)) {
  88                 printf("  FAIL: green color overwritten\n");
  89                 passa = false;
  90         }
  91         if (!piglit_probe_rect_rgba(10, 10, 10, 10, red)) {
  92                 printf("  FAIL: red color not written to included area\n");
  93                 passa = false;
  94         }
  95
  96         piglit_report_subtest_result(passa ? PIGLIT_PASS : PIGLIT_FAIL,
  97                                      "compile and execute");
  98         glClear(GL_COLOR_BUFFER_BIT);
  99
 100         glCallList(list);
 101         if (!piglit_probe_rect_rgba(0, 0, 10, 10, green)) {
 102                 printf("  FAIL: green color not filled in \n");
 103                 passb = false;
 104         }
 105         if (!piglit_probe_rect_rgba(10, 10, 10, 10, blue)) {
 106                 printf("  FAIL: green color fills in excluded area\n");
 107                 passb = false;
 108         }
 109
 110         glCallList(list + 1);
 111         if (!piglit_probe_rect_rgba(0, 0, 10, 10, green)) {
 112                 printf("  FAIL: green color overwritten\n");
 113                 passa = false;
 114         }
 115         if (!piglit_probe_rect_rgba(10, 10, 10, 10, red)) {
 116                 printf("  FAIL: red color not written to included area\n");
 117                 passa = false;
 118         }
 119
 120         piglit_report_subtest_result(passb ? PIGLIT_PASS : PIGLIT_FAIL,
 121                                      "call");
 122
 123         glBindFramebuffer(GL_DRAW_FRAMEBUFFER, piglit_winsys_fbo);
 124         glBlitFramebuffer(0, 0, 20, 20,
 125                           0, 0, piglit_width, piglit_height,
 126                           GL_COLOR_BUFFER_BIT, GL_NEAREST);
 127
 128         piglit_present_results();
 129
 130         return (passa && passb) ? PIGLIT_PASS : PIGLIT_FAIL;
 131 }
 132
 133 void
 134 piglit_init(int argc, char **argv)
 135 {
 136         const char * subtests[] = { "compile and execute", "call", NULL };
 137         piglit_register_subtests(subtests);
 138
 139         static const float verts[4][4] = {
 140                 /* x   y   z   w */
 141                 { -1, -1, 1.0, 1 },
 142                 {  1, -1, 1.0, 1 },
 143                 { -1,  1, 0.1, 1 },
 144                 {  1,  1, 0.1, 1 }
 145         };
 146
 147         GLuint bo, rb;
 148
 149         piglit_require_extension("GL_EXT_window_rectangles");
 150
 151         prog = piglit_build_simple_program(
 152                         "#version 120\n"
 153                         "void main() { gl_Position = gl_Vertex; }\n",
 154
 155                         "#version 120\n"
 156                         "uniform vec4 color;\n"
 157                         "void main() { gl_FragColor = color; }\n");
 158         color = glGetUniformLocation(prog, "color");
 159
 160         glEnableVertexAttribArray(0);
 161         glGenBuffers(1, &bo);
 162         glBindBuffer(GL_ARRAY_BUFFER, bo);
 163         glBufferData(GL_ARRAY_BUFFER, sizeof(verts), verts, GL_STATIC_DRAW);
 164         glVertexAttribPointer(0, 4, GL_FLOAT, GL_FALSE, 0, (GLvoid const *)0);
 165
 166         glGenFramebuffers(1, &fb);
 167         glBindFramebuffer(GL_FRAMEBUFFER, fb);
 168         glGenRenderbuffers(1, &rb);
 169         glBindRenderbuffer(GL_RENDERBUFFER, rb);
 170         glRenderbufferStorage(GL_RENDERBUFFER, GL_RGB, 20, 20);
 171         glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
 172                                   GL_RENDERBUFFER, rb);
 173 }