[Piglit] [PATCH v3] Add GL_INTEL_conservative_rasterization tests
Manolova, Plamena
plamena.manolova at intel.com
Tue Jan 10 11:28:00 UTC 2017
This looks good to me.
Reviewed-by: Plamena Manolova <plamena,manolova at intel.com
<lionel.g.landwerlin at intel.com>>
On Thu, Dec 8, 2016 at 10:55 AM, Lionel Landwerlin <
lionel.g.landwerlin at intel.com> wrote:
> This extension is a subset of GL_NV_conservative_raster, applying only
> to polygons.
>
> v2: Drop wrongly added files from Plamena's work (Lionel)
>
> v3: Enable tests on GLES (Lionel)
>
> Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin at intel.com>
> ---
> tests/all.py | 12 ++
> tests/spec/CMakeLists.txt | 1 +
> .../CMakeLists.gl.txt | 16 ++
> .../CMakeLists.txt | 1 +
> .../depthcoverage.c | 75 +++++++++
> .../innercoverage.c | 173
> +++++++++++++++++++++
> .../intel_conservative_rasterization/invalid.c | 114 ++++++++++++++
> tests/spec/intel_conservative_rasterization/tri.c | 135 ++++++++++++++++
> 8 files changed, 527 insertions(+)
> create mode 100644 tests/spec/intel_conservative_
> rasterization/CMakeLists.gl.txt
> create mode 100644 tests/spec/intel_conservative_
> rasterization/CMakeLists.txt
> create mode 100644 tests/spec/intel_conservative_
> rasterization/depthcoverage.c
> create mode 100644 tests/spec/intel_conservative_
> rasterization/innercoverage.c
> create mode 100644 tests/spec/intel_conservative_rasterization/invalid.c
> create mode 100644 tests/spec/intel_conservative_rasterization/tri.c
>
> diff --git a/tests/all.py b/tests/all.py
> index 03cf0c8..852ceae 100644
> --- a/tests/all.py
> +++ b/tests/all.py
> @@ -4898,5 +4898,17 @@ with profile.test_list.group_manager(
> g(['arb_compute_variable_group_size-local-size'], 'local-size')
> g(['arb_compute_variable_group_size-minmax'], 'minmax')
>
> +# Group INTEL_conservative_rasterization
> +with profile.test_list.group_manager(
> + PiglitGLTest,
> + grouptools.join('spec', 'INTEL_conservative_rasterization')) as
> g:
> + g(['intel_conservative_rasterization-depthcoverage'])
> + g(['intel_conservative_rasterization-innercoverage'])
> + g(['intel_conservative_rasterization-invalid'])
> + g(['intel_conservative_rasterization-tri'])
> + g(['intel_conservative_rasterization-depthcoverage_gles3'])
> + g(['intel_conservative_rasterization-innercoverage_gles3'])
> + g(['intel_conservative_rasterization-tri_gles3'])
> +
> if platform.system() is 'Windows':
> profile.filters.append(lambda p, _: not p.startswith('glx'))
> diff --git a/tests/spec/CMakeLists.txt b/tests/spec/CMakeLists.txt
> index 4ac1a53..548515d 100644
> --- a/tests/spec/CMakeLists.txt
> +++ b/tests/spec/CMakeLists.txt
> @@ -153,3 +153,4 @@ add_subdirectory (arb_query_buffer_object)
> add_subdirectory (ext_window_rectangles)
> add_subdirectory (arb_shader_texture_image_samples)
> add_subdirectory (arb_texture_barrier)
> +add_subdirectory (intel_conservative_rasterization)
> diff --git a/tests/spec/intel_conservative_rasterization/CMakeLists.gl.txt
> b/tests/spec/intel_conservative_rasterization/CMakeLists.gl.txt
> new file mode 100644
> index 0000000..6e0ab44
> --- /dev/null
> +++ b/tests/spec/intel_conservative_rasterization/CMakeLists.gl.txt
> @@ -0,0 +1,16 @@
> +include_directories(
> + ${GLEXT_INCLUDE_DIR}
> + ${OPENGL_INCLUDE_PATH}
> +)
> +
> +link_libraries (
> + piglitutil_${piglit_target_api}
> + ${OPENGL_gl_LIBRARY}
> +)
> +
> +piglit_add_executable (intel_conservative_rasterization-depthcoverage
> depthcoverage.c)
> +piglit_add_executable (intel_conservative_rasterization-innercoverage
> innercoverage.c)
> +piglit_add_executable (intel_conservative_rasterization-invalid
> invalid.c)
> +piglit_add_executable (intel_conservative_rasterization-tri tri.c)
> +
> +# vim: ft=cmake:
> diff --git a/tests/spec/intel_conservative_rasterization/CMakeLists.txt
> b/tests/spec/intel_conservative_rasterization/CMakeLists.txt
> new file mode 100644
> index 0000000..144a306
> --- /dev/null
> +++ b/tests/spec/intel_conservative_rasterization/CMakeLists.txt
> @@ -0,0 +1 @@
> +piglit_include_target_api()
> diff --git a/tests/spec/intel_conservative_rasterization/depthcoverage.c
> b/tests/spec/intel_conservative_rasterization/depthcoverage.c
> new file mode 100644
> index 0000000..0d8eb24
> --- /dev/null
> +++ b/tests/spec/intel_conservative_rasterization/depthcoverage.c
> @@ -0,0 +1,75 @@
> +/*
> + * Copyright © 2016 Intel Corporation
> + *
> + * 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 depthcoverage.c
> + *
> + * Verifies that post_depth_coverage & inner_coverage layout
> + * qualifiers are mutually exclusives.
> + */
> +
> +#include "piglit-util-gl.h"
> +#include "piglit-shader.h"
> +
> +PIGLIT_GL_TEST_CONFIG_BEGIN
> +
> +#if defined(PIGLIT_USE_OPENGL)
> + config.supports_gl_core_version = 42;
> +#elif defined(PIGLIT_USE_OPENGL_ES3)
> + config.supports_gl_es_version = 31;
> +#endif
> +
> +PIGLIT_GL_TEST_CONFIG_END
> +
> +enum piglit_result
> +piglit_display(void)
> +{
> + return PIGLIT_FAIL;
> +}
> +
> +void piglit_init(int argc, char **argv)
> +{
> + piglit_require_extension("GL_INTEL_conservative_rasterization");
> + piglit_require_extension("GL_ARB_post_depth_coverage");
> +
> + GLuint invalid_prog = piglit_compile_shader_text_nothrow(
> + GL_FRAGMENT_SHADER,
> +#if defined(PIGLIT_USE_OPENGL)
> + "#version 430\n"
> +#elif defined(PIGLIT_USE_OPENGL_ES3)
> + "#version 310 es\n"
> +#endif
> + "#extension GL_ARB_post_depth_coverage: enable\n"
> + "#extension GL_INTEL_conservative_rasterization: enable\n"
> + "layout(inner_coverage) in;\n"
> + "layout(post_depth_coverage) in;\n"
> + "out vec4 color;\n"
> + "void main()\n"
> + "{\n"
> + " color = vec4(1.0, 0.0, 0.0, 1.0);\n"
> + "}\n");
> + if (invalid_prog)
> + piglit_report_result(PIGLIT_FAIL);
> +
> + piglit_report_result(PIGLIT_PASS);
> +}
> diff --git a/tests/spec/intel_conservative_rasterization/innercoverage.c
> b/tests/spec/intel_conservative_rasterization/innercoverage.c
> new file mode 100644
> index 0000000..8524fb9
> --- /dev/null
> +++ b/tests/spec/intel_conservative_rasterization/innercoverage.c
> @@ -0,0 +1,173 @@
> +/*
> + * Copyright © 2016 Intel Corporation
> + *
> + * 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 innercoverage.c
> + *
> + * Verifies that the inner_coverage layout qualifier works when
> + * GL_INTEL_conservative_rasterization is enabled.
> + */
> +
> +#include "piglit-util-gl.h"
> +#include "piglit-matrix.h"
> +
> +PIGLIT_GL_TEST_CONFIG_BEGIN
> +
> +#if defined(PIGLIT_USE_OPENGL)
> + config.supports_gl_core_version = 42;
> +#elif defined(PIGLIT_USE_OPENGL_ES3)
> + config.supports_gl_es_version = 31;
> +#endif
> +
> + config.window_width = 400;
> + config.window_height = 400;
> + config.window_visual = PIGLIT_GL_VISUAL_RGBA |
> PIGLIT_GL_VISUAL_DOUBLE;
> +
> +PIGLIT_GL_TEST_CONFIG_END
> +
> +enum piglit_result
> +piglit_display(void)
> +{
> + enum piglit_result result = PIGLIT_PASS;
> +
> + /* The following fragment programs render the opaque red color
> + * only when dispatched with a gl_SampleMaskIn empty. It
> + * should therefore expose the effect of the inner_coverage
> + * (i.e. no color with this qualifier and a triangle outline
> + * without it). */
> + GLuint inner_prog = piglit_build_simple_program(
> +#if defined(PIGLIT_USE_OPENGL)
> + "#version 420\n"
> +#elif defined(PIGLIT_USE_OPENGL_ES3)
> + "#version 310 es\n"
> +#endif
> + "in vec4 piglit_vertex;\n"
> + "void main()\n"
> + "{\n"
> + " gl_Position = piglit_vertex;\n"
> + "}\n",
> +#if defined(PIGLIT_USE_OPENGL)
> + "#version 420\n"
> + "#extension GL_INTEL_conservative_rasterization: enable\n"
> +#elif defined(PIGLIT_USE_OPENGL_ES3)
> + "#version 310 es\n"
> + "#extension GL_OES_sample_variables: enable\n"
> + "#extension GL_INTEL_conservative_rasterization: enable\n"
> + "precision highp float;\n"
> +#endif
> + "layout(inner_coverage) in;\n"
> + "out vec4 color;\n"
> + "void main()\n"
> + "{\n"
> + " float one = 1.0 - float(gl_SampleMaskIn[0]);\n"
> + " color = vec4(one, 0.0, 0.0, one);\n"
> + "}\n");
> + if (!inner_prog)
> + piglit_report_result(PIGLIT_FAIL);
> +
> + GLuint conservative_prog = piglit_build_simple_program(
> +#if defined(PIGLIT_USE_OPENGL)
> + "#version 420\n"
> +#elif defined(PIGLIT_USE_OPENGL_ES3)
> + "#version 310 es\n"
> +#endif
> + "in vec4 piglit_vertex;\n"
> + "void main()\n"
> + "{\n"
> + " gl_Position = piglit_vertex;\n"
> + "}\n",
> +#if defined(PIGLIT_USE_OPENGL)
> + "#version 420\n"
> + "#extension GL_INTEL_conservative_rasterization: enable\n"
> +#elif defined(PIGLIT_USE_OPENGL_ES3)
> + "#version 310 es\n"
> + "#extension GL_OES_sample_variables: enable\n"
> + "#extension GL_INTEL_conservative_rasterization: enable\n"
> + "precision highp float;\n"
> +#endif
> + "out vec4 color;\n"
> + "void main()\n"
> + "{\n"
> + " float one = 1.0 - float(gl_SampleMaskIn[0]);\n"
> + " color = vec4(one, 0.0, 0.0, one);\n"
> + "}\n");
> + if (!conservative_prog)
> + piglit_report_result(PIGLIT_FAIL);
> +
> + glBindFramebuffer(GL_DRAW_FRAMEBUFFER, piglit_winsys_fbo);
> + glViewport(0, 0, piglit_width, piglit_height);
> +
> + glClearColor(0.0, 0.0, 0.0, 0.0);
> +
> + GLuint vao;
> + glGenVertexArrays(1, &vao);
> + glBindVertexArray(vao);
> +
> + GLuint vbo;
> + float delta = 1.01 / piglit_width;
> + float vertices[3][2] = {
> + { -0.5, -1 + delta, },
> + { 0, 0.8, },
> + { 0.5, -1 + delta, },
> + };
> + glGenBuffers(1, &vbo);
> + glBindBuffer(GL_ARRAY_BUFFER, vbo);
> + glBufferData(GL_ARRAY_BUFFER, sizeof(vertices), vertices,
> GL_STATIC_DRAW);
> + glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 2 *
> sizeof(GLfloat), NULL);
> + glEnableVertexAttribArray(0);
> +
> + glEnable(GL_CONSERVATIVE_RASTERIZATION_INTEL);
> +
> + glUseProgram(conservative_prog);
> + glClear(GL_COLOR_BUFFER_BIT);
> + glDrawArrays(GL_TRIANGLES, 0, 3);
> +
> + if(!piglit_check_gl_error(GL_NO_ERROR))
> + return PIGLIT_FAIL;
> +
> + piglit_present_results();
> +
> + const float conservative_expected[] = { 0.0, 0.0, 0.0, 0.0 };
> + if (!piglit_probe_pixel_rgba(piglit_width / 2, 0,
> conservative_expected))
> + result = PIGLIT_FAIL;
> +
> + glUseProgram(inner_prog);
> + glClear(GL_COLOR_BUFFER_BIT);
> + glDrawArrays(GL_TRIANGLES, 0, 3);
> +
> + if(!piglit_check_gl_error(GL_NO_ERROR))
> + result = PIGLIT_FAIL;
> +
> + piglit_present_results();
> +
> + const float inner_expected[] = { 1.0, 0.0, 0.0, 1.0 };
> + if (!piglit_probe_pixel_rgba(piglit_width / 2, 0, inner_expected))
> + result = PIGLIT_FAIL;
> +
> + return result;
> +}
> +
> +void piglit_init(int argc, char **argv)
> +{
> + piglit_require_extension("GL_INTEL_conservative_rasterization");
> +}
> diff --git a/tests/spec/intel_conservative_rasterization/invalid.c
> b/tests/spec/intel_conservative_rasterization/invalid.c
> new file mode 100644
> index 0000000..1e71816
> --- /dev/null
> +++ b/tests/spec/intel_conservative_rasterization/invalid.c
> @@ -0,0 +1,114 @@
> +/*
> + * Copyright © 2016 Intel Corporation
> + *
> + * 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 invalid.c
> + *
> + * Verifies that with GL_INTEL_conservative_rasterization enabled, we
> + * get specified errors when using invalid modes for that extension.
> + */
> +
> +#include "piglit-util-gl.h"
> +#include "piglit-matrix.h"
> +
> +PIGLIT_GL_TEST_CONFIG_BEGIN
> +
> +#if defined(PIGLIT_USE_OPENGL)
> + config.supports_gl_core_version = 42;
> +#endif
> +
> +PIGLIT_GL_TEST_CONFIG_END
> +
> +enum piglit_result
> +piglit_display(void)
> +{
> + return PIGLIT_FAIL;
> +}
> +
> +void piglit_init(int argc, char **argv)
> +{
> + piglit_require_extension("GL_INTEL_conservative_rasterization");
> +
> + GLuint prog = piglit_build_simple_program(
> +#if defined(PIGLIT_USE_OPENGL)
> + "#version 330\n"
> +#endif
> + "in vec4 piglit_vertex;\n"
> + "void main()\n"
> + "{\n"
> + " gl_Position = piglit_vertex;\n"
> + "}\n",
> +#if defined(PIGLIT_USE_OPENGL)
> + "#version 330\n"
> + "out vec4 color;\n"
> +#endif
> + "void main()\n"
> + "{\n"
> + " color = vec4(1.0, 0.0, 0.0, 1.0);\n"
> + "}\n");
> + if (!prog)
> + piglit_report_result(PIGLIT_FAIL);
> +
> + glBindFramebuffer(GL_DRAW_FRAMEBUFFER, piglit_winsys_fbo);
> + glUseProgram(prog);
> +
> + GLuint vao;
> + glGenVertexArrays(1, &vao);
> + glBindVertexArray(vao);
> +
> + GLuint vbo;
> + float vertices[3][2] = {
> + { -0.5, -1, },
> + { 0, 0.8, },
> + { 0.5, -1, },
> + };
> + glGenBuffers(1, &vbo);
> + glBindBuffer(GL_ARRAY_BUFFER, vbo);
> + glBufferData(GL_ARRAY_BUFFER, sizeof(vertices), vertices,
> GL_STATIC_DRAW);
> + glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 2 *
> sizeof(GLfloat), NULL);
> + glEnableVertexAttribArray(0);
> +
> + glEnable(GL_CONSERVATIVE_RASTERIZATION_INTEL);
> + glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
> + glClear(GL_COLOR_BUFFER_BIT);
> +
> + glDrawArrays(GL_POINTS, 0, 3);
> + if (!piglit_check_gl_error(GL_INVALID_OPERATION))
> + piglit_report_result(PIGLIT_FAIL);
> +
> + glDrawArrays(GL_LINES, 0, 3);
> + if (!piglit_check_gl_error(GL_INVALID_OPERATION))
> + piglit_report_result(PIGLIT_FAIL);
> +
> + glPolygonMode(GL_FRONT_AND_BACK, GL_POINT);
> + glDrawArrays(GL_LINES, 0, 3);
> + if (!piglit_check_gl_error(GL_INVALID_OPERATION))
> + piglit_report_result(PIGLIT_FAIL);
> +
> + glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
> + glDrawArrays(GL_LINES, 0, 3);
> + if (!piglit_check_gl_error(GL_INVALID_OPERATION))
> + piglit_report_result(PIGLIT_FAIL);
> +
> + piglit_report_result(PIGLIT_PASS);
> +}
> diff --git a/tests/spec/intel_conservative_rasterization/tri.c
> b/tests/spec/intel_conservative_rasterization/tri.c
> new file mode 100644
> index 0000000..5662445
> --- /dev/null
> +++ b/tests/spec/intel_conservative_rasterization/tri.c
> @@ -0,0 +1,135 @@
> +/*
> + * Copyright © 2016 Intel Corporation
> + *
> + * 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 tri.c
> + *
> + * Verifies that with GL_INTEL_conservative_rasterization enabled,
> + * partially covered pixels are rasterized.
> + */
> +
> +#include "piglit-util-gl.h"
> +#include "piglit-matrix.h"
> +
> +PIGLIT_GL_TEST_CONFIG_BEGIN
> +
> +#if defined(PIGLIT_USE_OPENGL)
> + config.supports_gl_core_version = 42;
> +#elif defined(PIGLIT_USE_OPENGL_ES3)
> + config.supports_gl_es_version = 31;
> +#endif
> +
> + config.window_width = 400;
> + config.window_height = 400;
> + config.window_visual = PIGLIT_GL_VISUAL_RGBA |
> PIGLIT_GL_VISUAL_DOUBLE;
> +
> +PIGLIT_GL_TEST_CONFIG_END
> +
> +enum piglit_result
> +piglit_display(void)
> +{
> + float delta = 1.01 / piglit_width;
> + GLuint prog;
> + enum piglit_result result = PIGLIT_PASS;
> +
> + prog = piglit_build_simple_program(
> +#if defined(PIGLIT_USE_OPENGL)
> + "#version 330\n"
> +#elif defined(PIGLIT_USE_OPENGL_ES3)
> + "#version 300 es\n"
> +#endif
> + "in vec4 piglit_vertex;\n"
> + "void main()\n"
> + "{\n"
> + " gl_Position = piglit_vertex;\n"
> + "}\n",
> +#if defined(PIGLIT_USE_OPENGL)
> + "#version 330\n"
> + "out vec4 color;\n"
> +#elif defined(PIGLIT_USE_OPENGL_ES3)
> + "#version 300 es\n"
> + "out highp vec4 color;\n"
> +#endif
> + "void main()\n"
> + "{\n"
> + " color = vec4(1.0, 0.0, 0.0, 1.0);\n"
> + "}\n");
> + if (!prog)
> + piglit_report_result(PIGLIT_FAIL);
> +
> + glBindFramebuffer(GL_DRAW_FRAMEBUFFER, piglit_winsys_fbo);
> + glViewport(0, 0, piglit_width, piglit_height);
> +
> + glClearColor(0.0, 0.0, 0.0, 0.0);
> +
> + glUseProgram(prog);
> +
> + GLuint vao;
> + glGenVertexArrays(1, &vao);
> + glBindVertexArray(vao);
> +
> + GLuint vbo;
> + float vertices[3][2] = {
> + { -0.5, -1 + delta, },
> + { 0, 0.8, },
> + { 0.5, -1 + delta, },
> + };
> + glGenBuffers(1, &vbo);
> + glBindBuffer(GL_ARRAY_BUFFER, vbo);
> + glBufferData(GL_ARRAY_BUFFER, sizeof(vertices), vertices,
> GL_STATIC_DRAW);
> + glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 2 *
> sizeof(GLfloat), NULL);
> + glEnableVertexAttribArray(0);
> +
> + glEnable(GL_CONSERVATIVE_RASTERIZATION_INTEL);
> + glClear(GL_COLOR_BUFFER_BIT);
> + glDrawArrays(GL_TRIANGLES, 0, 3);
> +
> + if(!piglit_check_gl_error(GL_NO_ERROR))
> + return PIGLIT_FAIL;
> +
> + piglit_present_results();
> +
> + const float conservative_expected[] = { 1.0, 0.0, 0.0, 1.0 };
> + if (!piglit_probe_pixel_rgba(piglit_width / 2, 0,
> conservative_expected))
> + result = PIGLIT_FAIL;
> +
> + glDisable(GL_CONSERVATIVE_RASTERIZATION_INTEL);
> + glClear(GL_COLOR_BUFFER_BIT);
> + glDrawArrays(GL_TRIANGLES, 0, 3);
> +
> + if(!piglit_check_gl_error(GL_NO_ERROR))
> + return PIGLIT_FAIL;
> +
> + piglit_present_results();
> +
> + const float expected[] = { 0.0, 0.0, 0.0, 0.0 };
> + if (!piglit_probe_pixel_rgba(piglit_width / 2, 0, expected))
> + result = PIGLIT_FAIL;
> +
> + return result;
> +}
> +
> +void piglit_init(int argc, char **argv)
> +{
> + piglit_require_extension("GL_INTEL_conservative_rasterization");
> +}
> --
> 2.10.2
> _______________________________________________
> Piglit mailing list
> Piglit at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/piglit
>
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