ext_gpu_shader4: add compiler tests for everything
[piglit.git] / tests / spec / ext_framebuffer_multisample / blit-mismatched-samples.cpp
blob1942d368a3bdf49f2e179fc95c0d675232431007
1 /*
2 * Copyright © 2012 Intel Corporation
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6 * to deal in the Software without restriction, including without limitation
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9 * Software is furnished to do so, subject to the following conditions:
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.
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
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21 * IN THE SOFTWARE.
24 /**
25 * @file blit-mismatched-samples.cpp
27 * This test verifies if glBlitFramebuffer() throws GL_INVALID_OPERATION with
28 * non-matching samples in multisample framebuffer objects.
30 * We initialize two FBOs with different sample counts, do blitting operation
31 * and then query the gl error.
33 * Author: Anuj Phogat <anuj.phogat@gmail.com>
36 #include "piglit-test-pattern.h"
37 #include "piglit-fbo.h"
38 using namespace piglit_util_fbo;
39 using namespace piglit_util_test_pattern;
41 PIGLIT_GL_TEST_CONFIG_BEGIN
43 config.supports_gl_compat_version = 10;
45 config.window_width = 256;
46 config.window_height = 256;
47 config.window_visual = PIGLIT_GL_VISUAL_DOUBLE | PIGLIT_GL_VISUAL_RGB;
48 config.khr_no_error_support = PIGLIT_HAS_ERRORS;
50 PIGLIT_GL_TEST_CONFIG_END
52 const int pattern_width = 256; const int pattern_height = 256;
53 Fbo src_fbo, dst_fbo;
55 enum piglit_result
56 piglit_display()
58 bool pass = true;
60 /* Blit multisample-to-multisample with non-matching sample count */
61 glBindFramebuffer(GL_READ_FRAMEBUFFER, src_fbo.handle);
62 glBindFramebuffer(GL_DRAW_FRAMEBUFFER, dst_fbo.handle);
63 glBlitFramebuffer(0, 0, pattern_width, pattern_height,
64 0, 0, pattern_width, pattern_height,
65 GL_COLOR_BUFFER_BIT, GL_NEAREST);
67 /* Here GL_INVALID_OPERATION is an expected gl error */
68 pass = piglit_check_gl_error(GL_INVALID_OPERATION) && pass;
70 return (pass ? PIGLIT_PASS : PIGLIT_FAIL);
73 void
74 piglit_init(int argc, char **argv)
76 GLint samples, max_samples;
78 piglit_require_gl_version(21);
79 piglit_require_extension("GL_ARB_framebuffer_object");
80 piglit_require_extension("GL_ARB_vertex_array_object");
82 /* OpenGL driver is supposed to round up the specified sample count to
83 * the next available sample count. So, this will create the FBO with
84 * minimum supported sample count.
86 src_fbo.setup(FboConfig(1 /* sample count */,
87 pattern_width,
88 pattern_height));
90 glGetIntegerv(GL_MAX_SAMPLES, &max_samples);
92 glBindFramebuffer(GL_DRAW_FRAMEBUFFER, src_fbo.handle);
93 glGetIntegerv(GL_SAMPLES, &samples);
95 /* Skip the test if samples = GL_MAX_SAMPLES */
96 if (samples == max_samples) {
97 printf("OpenGL driver seems to support only one possible"
98 " sample count\n");
99 piglit_report_result(PIGLIT_SKIP);
102 /* Creating FBO with (samples + 1) ensures that we get a different
103 * value of sample count in dst_fbo.
105 dst_fbo.setup(FboConfig(samples + 1, pattern_width, pattern_height));
107 if (!piglit_check_gl_error(GL_NO_ERROR)) {
108 printf("Error setting up frame buffer objects\n");
109 piglit_report_result(PIGLIT_FAIL);