tests/spec/ext_framebuffer_multisample_blit_scaled/negative-blit-scaled.cpp

   1 /*
   2  * Copyright © 2013 Intel Corporation
   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"),
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   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,
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  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  21  * IN THE SOFTWARE.
  22  */
  23
  24 /** \file negative-blit-scaled.cpp
  25  *
  26  * This test verifies that expected GL errors are produced for cases mentioned
  27  * in EXT_framebuffer_multisample_blit_scaled extension:
  28  *
  29  * "If the draw framebuffer is framebuffer complete and has a value of
  30  * SAMPLE_BUFFERS that is greater than zero, or if the read framebuffer
  31  * is framebuffer complete and has a value of SAMPLE_BUFFERS that is
  32  * zero, then the error INVALID_OPERATION is generated if BlitFramebuffer
  33  * is called and the filter is SCALED_RESOLVE_FASTEST_EXT or
  34  * SCALED_RESOLVE_NICEST_EXT."
  35  *
  36  */
  37
  38 #include "piglit-fbo.h"
  39 using namespace piglit_util_fbo;
  40
  41 const int pattern_width = 256; const int pattern_height = 256;
  42
  43 PIGLIT_GL_TEST_CONFIG_BEGIN
  44
  45         config.supports_gl_compat_version = 10;
  46
  47         config.window_width = pattern_width;
  48         config.window_height = pattern_height;
  49         config.window_visual = PIGLIT_GL_VISUAL_DOUBLE | PIGLIT_GL_VISUAL_RGBA;
  50
  51 PIGLIT_GL_TEST_CONFIG_END
  52
  53 static Fbo multisampled_fbo_1, multisampled_fbo_2, singlesampled_fbo;
  54
  55 void
  56 piglit_init(int argc, char **argv)
  57 {
  58         bool pass = true;
  59         GLint max_samples;
  60
  61         piglit_require_extension("GL_EXT_framebuffer_multisample_blit_scaled");
  62
  63         glGetIntegerv(GL_MAX_SAMPLES, &max_samples);
  64         FboConfig Config(max_samples, pattern_width, pattern_height);
  65         multisampled_fbo_1.setup(Config);
  66         multisampled_fbo_2.setup(Config);
  67         Config.num_samples = 0;
  68         singlesampled_fbo.setup(Config);
  69
  70         if (!piglit_check_gl_error(GL_NO_ERROR)) {
  71                 piglit_report_result(PIGLIT_FAIL);
  72         }
  73
  74         /* Do multi-sample to multi-sample scaled blit */
  75         glBindFramebuffer(GL_READ_FRAMEBUFFER, multisampled_fbo_1.handle);
  76         glBindFramebuffer(GL_DRAW_FRAMEBUFFER, multisampled_fbo_2.handle);
  77
  78         glBlitFramebuffer(0, 0, pattern_width / 2, pattern_height / 2,
  79                           0, 0, pattern_width, pattern_height,
  80                           GL_COLOR_BUFFER_BIT, GL_SCALED_RESOLVE_FASTEST_EXT);
  81         pass = piglit_check_gl_error(GL_INVALID_OPERATION) && pass;
  82
  83         glBlitFramebuffer(0, 0, pattern_width / 2, pattern_height / 2,
  84                           0, 0, pattern_width, pattern_height,
  85                           GL_COLOR_BUFFER_BIT, GL_SCALED_RESOLVE_NICEST_EXT);
  86         pass = piglit_check_gl_error(GL_INVALID_OPERATION) && pass;
  87
  88         /* Do single-sample to single-sample scaled blit */
  89         glBindFramebuffer(GL_READ_FRAMEBUFFER, singlesampled_fbo.handle);
  90         glBindFramebuffer(GL_DRAW_FRAMEBUFFER, piglit_winsys_fbo);
  91
  92         glBlitFramebuffer(0, 0, pattern_width / 2, pattern_height / 2,
  93                           0, 0, pattern_width, pattern_height,
  94                           GL_COLOR_BUFFER_BIT, GL_SCALED_RESOLVE_FASTEST_EXT);
  95         pass = piglit_check_gl_error(GL_INVALID_OPERATION) && pass;
  96
  97         glBlitFramebuffer(0, 0, pattern_width / 2, pattern_height / 2,
  98                           0, 0, pattern_width, pattern_height,
  99                           GL_COLOR_BUFFER_BIT, GL_SCALED_RESOLVE_NICEST_EXT);
 100         pass = piglit_check_gl_error(GL_INVALID_OPERATION) && pass;
 101
 102         /* Do multi-sample to single-sample scaled blit */
 103         glBindFramebuffer(GL_READ_FRAMEBUFFER, multisampled_fbo_1.handle);
 104         glBindFramebuffer(GL_DRAW_FRAMEBUFFER, singlesampled_fbo.handle);
 105
 106         glBlitFramebuffer(0, 0, pattern_width / 2, pattern_height / 2,
 107                           0, 0, pattern_width, pattern_height,
 108                           GL_COLOR_BUFFER_BIT, GL_SCALED_RESOLVE_FASTEST_EXT);
 109         pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
 110
 111         glBlitFramebuffer(0, 0, pattern_width / 2, pattern_height / 2,
 112                           0, 0, pattern_width, pattern_height,
 113                           GL_COLOR_BUFFER_BIT, GL_SCALED_RESOLVE_NICEST_EXT);
 114         pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
 115
 116         Config.color_internalformat = GL_RGBA8I;
 117         multisampled_fbo_1.setup(Config);
 118         singlesampled_fbo.setup(Config);
 119
 120         /* Do multi-sample integer buffer to single-sample scaled blit */
 121         glBindFramebuffer(GL_READ_FRAMEBUFFER, multisampled_fbo_1.handle);
 122         glBindFramebuffer(GL_DRAW_FRAMEBUFFER, singlesampled_fbo.handle);
 123
 124         glBlitFramebuffer(0, 0, pattern_width / 2, pattern_height / 2,
 125                           0, 0, pattern_width, pattern_height,
 126                           GL_COLOR_BUFFER_BIT, GL_SCALED_RESOLVE_FASTEST_EXT);
 127         pass = piglit_check_gl_error(GL_INVALID_OPERATION) && pass;
 128
 129         glBlitFramebuffer(0, 0, pattern_width / 2, pattern_height / 2,
 130                           0, 0, pattern_width, pattern_height,
 131                           GL_COLOR_BUFFER_BIT, GL_SCALED_RESOLVE_NICEST_EXT);
 132         pass = piglit_check_gl_error(GL_INVALID_OPERATION) && pass;
 133
 134         piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
 135 }
 136
 137 enum piglit_result
 138 piglit_display()
 139 {
 140         /* UNREACHED */
 141         return PIGLIT_FAIL;
 142 }