[Piglit] [PATCH v4] tests: add nvidia conservative rasterization tests
Rhys Perry
pendingchaos02 at gmail.com
Wed May 9 20:05:49 UTC 2018
Ping I guess?
On Fri, Mar 30, 2018 at 10:56 PM, Rhys Perry <pendingchaos02 at gmail.com> wrote:
> Adds tests for GL_NV_conservative_raster, GL_NV_conservative_raster_dilate
> and GL_NV_conservative_raster_pre_snap_triangles.
>
> Changes in v2:
> - cleanup the tests
> - fix some test failures
> - remove the gles version of the dilation test as the extension is not
> exposed in gl.xml
> Changes in v3:
> - fix accidently luck-based pre-snap-triangles test
> Changes in v4:
> - apply formatting changes
> - elaborate on various comments describing the test source code files
>
> Signed-off-by: Rhys Perry <pendingchaos02 at gmail.com>
> ---
> I am new to this project and don't have commit access.
>
> tests/all.py | 20 ++
> tests/spec/CMakeLists.txt | 3 +
> .../spec/nv_conservative_raster/CMakeLists.gl.txt | 13 +
> .../nv_conservative_raster/CMakeLists.gles2.txt | 3 +
> tests/spec/nv_conservative_raster/CMakeLists.txt | 1 +
> tests/spec/nv_conservative_raster/attrib.c | 107 +++++++
> tests/spec/nv_conservative_raster/dlist.c | 110 +++++++
> tests/spec/nv_conservative_raster/draw.c | 338 +++++++++++++++++++++
> .../CMakeLists.gl.txt | 11 +
> .../nv_conservative_raster_dilate/CMakeLists.txt | 1 +
> tests/spec/nv_conservative_raster_dilate/draw.c | 151 +++++++++
> .../CMakeLists.gl.txt | 11 +
> .../CMakeLists.gles2.txt | 3 +
> .../CMakeLists.txt | 1 +
> .../draw.c | 148 +++++++++
> 15 files changed, 921 insertions(+)
> create mode 100644 tests/spec/nv_conservative_raster/CMakeLists.gl.txt
> create mode 100644 tests/spec/nv_conservative_raster/CMakeLists.gles2.txt
> create mode 100644 tests/spec/nv_conservative_raster/CMakeLists.txt
> create mode 100644 tests/spec/nv_conservative_raster/attrib.c
> create mode 100644 tests/spec/nv_conservative_raster/dlist.c
> create mode 100644 tests/spec/nv_conservative_raster/draw.c
> create mode 100644 tests/spec/nv_conservative_raster_dilate/CMakeLists.gl.txt
> create mode 100644 tests/spec/nv_conservative_raster_dilate/CMakeLists.txt
> create mode 100644 tests/spec/nv_conservative_raster_dilate/draw.c
> create mode 100644 tests/spec/nv_conservative_raster_pre_snap_triangles/CMakeLists.gl.txt
> create mode 100644 tests/spec/nv_conservative_raster_pre_snap_triangles/CMakeLists.gles2.txt
> create mode 100644 tests/spec/nv_conservative_raster_pre_snap_triangles/CMakeLists.txt
> create mode 100644 tests/spec/nv_conservative_raster_pre_snap_triangles/draw.c
>
> diff --git a/tests/all.py b/tests/all.py
> index 7c8580ef0..5fa219ca0 100644
> --- a/tests/all.py
> +++ b/tests/all.py
> @@ -4995,5 +4995,25 @@ with profile.test_list.group_manager(
> g(['arb_bindless_texture-uint64_attribs'], 'uint64_attribs')
> g(['arb_bindless_texture-uniform'], 'uniform')
>
> +# Group NV_conservative_raster
> +with profile.test_list.group_manager(
> + PiglitGLTest,
> + grouptools.join('spec', 'NV_conservative_raster')) as g:
> + g(['nv_conservative_raster-draw'], 'draw')
> + g(['nv_conservative_raster-dlist'], 'dlist')
> + g(['nv_conservative_raster-attrib'], 'attrib')
> +
> +# Group NV_conservative_raster_dilate
> +with profile.test_list.group_manager(
> + PiglitGLTest,
> + grouptools.join('spec', 'NV_conservative_raster_dilate')) as g:
> + g(['nv_conservative_raster_dilate-draw'], 'draw')
> +
> +# Group NV_conservative_raster_pre_snap_triangles
> +with profile.test_list.group_manager(
> + PiglitGLTest,
> + grouptools.join('spec', 'NV_conservative_raster_pre_snap_triangles')) as g:
> + g(['nv_conservative_raster_pre_snap_triangles-draw'], 'draw')
> +
> 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 dc14beb4e..a0bc845c5 100644
> --- a/tests/spec/CMakeLists.txt
> +++ b/tests/spec/CMakeLists.txt
> @@ -101,6 +101,9 @@ add_subdirectory (ext_texture_swizzle)
> add_subdirectory (ext_timer_query)
> add_subdirectory (ext_transform_feedback)
> add_subdirectory (nv_conditional_render)
> +add_subdirectory (nv_conservative_raster)
> +add_subdirectory (nv_conservative_raster_dilate)
> +add_subdirectory (nv_conservative_raster_pre_snap_triangles)
> add_subdirectory (nv_fill_rectangle)
> add_subdirectory (nv_image_formats)
> add_subdirectory (nv_texture_barrier)
> diff --git a/tests/spec/nv_conservative_raster/CMakeLists.gl.txt b/tests/spec/nv_conservative_raster/CMakeLists.gl.txt
> new file mode 100644
> index 000000000..5f632c864
> --- /dev/null
> +++ b/tests/spec/nv_conservative_raster/CMakeLists.gl.txt
> @@ -0,0 +1,13 @@
> +include_directories(
> + ${GLEXT_INCLUDE_DIR}
> + ${OPENGL_INCLUDE_PATH}
> +)
> +
> +link_libraries (
> + piglitutil_${piglit_target_api}
> + ${OPENGL_gl_LIBRARY}
> +)
> +
> +piglit_add_executable (nv_conservative_raster-draw draw.c)
> +piglit_add_executable (nv_conservative_raster-dlist dlist.c)
> +piglit_add_executable (nv_conservative_raster-attrib attrib.c)
> diff --git a/tests/spec/nv_conservative_raster/CMakeLists.gles2.txt b/tests/spec/nv_conservative_raster/CMakeLists.gles2.txt
> new file mode 100644
> index 000000000..b33576074
> --- /dev/null
> +++ b/tests/spec/nv_conservative_raster/CMakeLists.gles2.txt
> @@ -0,0 +1,3 @@
> +link_libraries(piglitutil_${piglit_target_api})
> +
> +piglit_add_executable (nv_conservative_raster-draw_gles2 draw.c)
> diff --git a/tests/spec/nv_conservative_raster/CMakeLists.txt b/tests/spec/nv_conservative_raster/CMakeLists.txt
> new file mode 100644
> index 000000000..144a306f4
> --- /dev/null
> +++ b/tests/spec/nv_conservative_raster/CMakeLists.txt
> @@ -0,0 +1 @@
> +piglit_include_target_api()
> diff --git a/tests/spec/nv_conservative_raster/attrib.c b/tests/spec/nv_conservative_raster/attrib.c
> new file mode 100644
> index 000000000..3e1c753d9
> --- /dev/null
> +++ b/tests/spec/nv_conservative_raster/attrib.c
> @@ -0,0 +1,107 @@
> +/*
> + * Copyright (c) 2018 Rhys Perry
> + *
> + * 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
> + * on the rights to use, copy, modify, merge, publish, distribute, sub
> + * license, 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
> + * NON-INFRINGEMENT. IN NO EVENT SHALL AUTHORS AND/OR THEIR SUPPLIERS
> + * 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.
> + */
> +
> +#include "piglit-util-gl.h"
> +
> +/**
> + * @file attrib.c
> + *
> + * This test verifies that glPushAttrib()/glPopAttrib() is implemented correctly
> + * for GL_NV_conservative_raster.
> + */
> +
> +static const struct piglit_subtest subtests[];
> +
> +PIGLIT_GL_TEST_CONFIG_BEGIN
> +
> + config.supports_gl_compat_version = 10;
> + config.subtests = subtests;
> +
> +PIGLIT_GL_TEST_CONFIG_END
> +
> +static enum piglit_result
> +test_enable(void* data)
> +{
> + glEnable(GL_CONSERVATIVE_RASTERIZATION_NV);
> + glPushAttrib(GL_ENABLE_BIT);
> + glDisable(GL_CONSERVATIVE_RASTERIZATION_NV);
> + glPopAttrib();
> +
> + return glIsEnabled(GL_CONSERVATIVE_RASTERIZATION_NV) ? PIGLIT_PASS : PIGLIT_FAIL;
> +}
> +
> +static enum piglit_result
> +test_viewport(void* data)
> +{
> + GLint biasx, biasy;
> +
> + glSubpixelPrecisionBiasNV(0, 1);
> + glPushAttrib(GL_VIEWPORT_BIT);
> + glSubpixelPrecisionBiasNV(2, 3);
> + glPopAttrib(GL_VIEWPORT_BIT);
> +
> + glGetIntegerv(GL_SUBPIXEL_PRECISION_BIAS_X_BITS_NV, &biasx);
> + glGetIntegerv(GL_SUBPIXEL_PRECISION_BIAS_Y_BITS_NV, &biasy);
> + return (biasx==0 && biasy==1) ? PIGLIT_PASS : PIGLIT_FAIL;
> +}
> +
> +static const struct piglit_subtest subtests[] = {
> + {
> + "nv_conservative_raster-enable_attrib",
> + "nv_conservative_raster-enable_attrib",
> + test_enable,
> + NULL
> + },
> + {
> + "nv_conservative_raster-viewport_attrib",
> + "nv_conservative_raster-viewport_attrib",
> + test_viewport,
> + NULL
> + },
> + {0},
> +};
> +
> +void
> +piglit_init(int argc, char **argv)
> +{
> + GLint max_subpixel_bits_bias;
> + const char **selected_subtests = NULL;
> + size_t num_selected_subtests = 0;
> +
> + piglit_require_extension("GL_NV_conservative_raster");
> +
> + glGetIntegerv(GL_MAX_SUBPIXEL_PRECISION_BIAS_BITS_NV, &max_subpixel_bits_bias);
> + if (max_subpixel_bits_bias<3)
> + piglit_report_result(PIGLIT_SKIP);
> +
> + num_selected_subtests = piglit_get_selected_tests(&selected_subtests);
> + piglit_report_result(piglit_run_selected_subtests(subtests, selected_subtests,
> + num_selected_subtests, PIGLIT_SKIP));
> +}
> +
> +enum piglit_result
> +piglit_display(void)
> +{
> + return PIGLIT_FAIL;
> +}
> diff --git a/tests/spec/nv_conservative_raster/dlist.c b/tests/spec/nv_conservative_raster/dlist.c
> new file mode 100644
> index 000000000..36ad85fb2
> --- /dev/null
> +++ b/tests/spec/nv_conservative_raster/dlist.c
> @@ -0,0 +1,110 @@
> +/*
> + * Copyright (c) 2018 Rhys Perry
> + *
> + * 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
> + * on the rights to use, copy, modify, merge, publish, distribute, sub
> + * license, 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
> + * NON-INFRINGEMENT. IN NO EVENT SHALL AUTHORS AND/OR THEIR SUPPLIERS
> + * 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.
> + */
> +
> +#include "piglit-util-gl.h"
> +
> +/**
> + * @file dlist.c
> + *
> + * This test verifies that display lists are implemented correctly for
> + * GL_NV_conservative_raster.
> + */
> +
> +static const struct piglit_subtest subtests[];
> +
> +PIGLIT_GL_TEST_CONFIG_BEGIN
> +
> + config.supports_gl_compat_version = 10;
> + config.subtests = subtests;
> +
> +PIGLIT_GL_TEST_CONFIG_END
> +
> +static GLuint compiled_list;
> +
> +static enum piglit_result
> +test_compiled(void* data)
> +{
> + GLint biasx, biasy;
> + glCallList(compiled_list);
> + glGetIntegerv(GL_SUBPIXEL_PRECISION_BIAS_X_BITS_NV, &biasx);
> + glGetIntegerv(GL_SUBPIXEL_PRECISION_BIAS_Y_BITS_NV, &biasy);
> + return (biasx==0 && biasy==1) ? PIGLIT_PASS : PIGLIT_FAIL;
> +}
> +
> +static enum piglit_result
> +test_exec(void* data)
> +{
> + GLint biasx, biasy;
> + glNewList(glGenLists(1), GL_COMPILE_AND_EXECUTE);
> + glSubpixelPrecisionBiasNV(2, 3);
> + glEndList();
> + glGetIntegerv(GL_SUBPIXEL_PRECISION_BIAS_X_BITS_NV, &biasx);
> + glGetIntegerv(GL_SUBPIXEL_PRECISION_BIAS_Y_BITS_NV, &biasy);
> + return (biasx==2 && biasy==3) ? PIGLIT_PASS : PIGLIT_FAIL;
> +}
> +
> +static const struct piglit_subtest subtests[] = {
> + {
> + "nv_conservative_raster-compiled_dlist",
> + "nv_conservative_raster-compiled_dlist",
> + test_compiled,
> + NULL
> + },
> + {
> + "nv_conservative_raster-exec_dlist",
> + "nv_conservative_raster-exec_dlist",
> + test_exec,
> + NULL
> + },
> + {0},
> +};
> +
> +void
> +piglit_init(int argc, char **argv)
> +{
> + GLint max_subpixel_bits_bias;
> + const char **selected_subtests = NULL;
> + size_t num_selected_subtests = 0;
> +
> + piglit_require_extension("GL_NV_conservative_raster");
> +
> + glGetIntegerv(GL_MAX_SUBPIXEL_PRECISION_BIAS_BITS_NV, &max_subpixel_bits_bias);
> + if (max_subpixel_bits_bias<3)
> + piglit_report_result(PIGLIT_SKIP);
> +
> + compiled_list = glGenLists(1);
> + glNewList(compiled_list, GL_COMPILE);
> + glSubpixelPrecisionBiasNV(0, 1);
> + glEndList();
> +
> + num_selected_subtests = piglit_get_selected_tests(&selected_subtests);
> + piglit_report_result(piglit_run_selected_subtests(subtests, selected_subtests,
> + num_selected_subtests, PIGLIT_SKIP));
> +}
> +
> +enum piglit_result
> +piglit_display(void)
> +{
> + return PIGLIT_FAIL;
> +}
> diff --git a/tests/spec/nv_conservative_raster/draw.c b/tests/spec/nv_conservative_raster/draw.c
> new file mode 100644
> index 000000000..c057fee47
> --- /dev/null
> +++ b/tests/spec/nv_conservative_raster/draw.c
> @@ -0,0 +1,338 @@
> +/*
> + * Copyright (c) 2018 Rhys Perry
> + *
> + * 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
> + * on the rights to use, copy, modify, merge, publish, distribute, sub
> + * license, 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
> + * NON-INFRINGEMENT. IN NO EVENT SHALL AUTHORS AND/OR THEIR SUPPLIERS
> + * 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.
> + */
> +
> +#include "piglit-util-gl.h"
> +
> +/**
> + * @file draw.c
> + *
> + * This test verifies that primitives are rasterized correctly with conservative
> + * rasterization enabled. It was created with a window size of 250x250 in mind
> + * and may not work with other sizes.
> + *
> + * The test works by probing various pixels of a rendered primitive that differ
> + * between the image with the tested feature enabled and one with it disabled.
> + */
> +
> +static const struct piglit_subtest subtests[];
> +
> +PIGLIT_GL_TEST_CONFIG_BEGIN
> +
> + config.supports_gl_compat_version = 21;
> + config.supports_gl_es_version = 20;
> + config.subtests = subtests;
> + config.window_width = 250;
> + config.window_height = 250;
> + config.window_visual = PIGLIT_GL_VISUAL_RGB | PIGLIT_GL_VISUAL_DOUBLE;
> +
> +PIGLIT_GL_TEST_CONFIG_END
> +
> +GLuint program, buf_triangle, buf_lines, buf_point, buf_degenerate;
> +
> +static const float verts_triangle[6] = {
> + -0.799998779, -0.799998779,
> + 0.799998779, 0.799998779,
> + 0.799998779, -0.799998779};
> +
> +static const float verts_lines[6] = {
> + 0.799998779, 0.799998779,
> + 0.799998779, -0.799998779,
> + -0.799998779, -0.799998779};
> +
> +static const float verts_point[2] = {
> + 0.001601953, 0.001601953};
> +
> +static const float verts_degenerate[6] = {
> + 0.0, 0.0, 0.0, 0.0, 0.0, 0.0};
> +
> +static const float white[4] = {1.0f, 1.0f, 1.0f, 1.0f};
> +static const float black[4] = {0.0f, 0.0f, 0.0f, 1.0f};
> +
> +static void
> +draw(GLenum prim)
> +{
> + glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
> + glClear(GL_COLOR_BUFFER_BIT);
> +
> + switch (prim) {
> + case GL_TRIANGLES:
> + glBindBuffer(GL_ARRAY_BUFFER, buf_triangle);
> + break;
> + case GL_LINE_STRIP:
> + glBindBuffer(GL_ARRAY_BUFFER, buf_lines);
> + break;
> + case GL_POINTS:
> + glBindBuffer(GL_ARRAY_BUFFER, buf_point);
> + break;
> + }
> + glEnableVertexAttribArray(0);
> + glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 0, (const GLvoid *)0);
> +
> + glUseProgram(program);
> + glDrawArrays(prim, 0, prim==GL_POINTS?1:3);
> +}
> +
> +static bool
> +test_triangle(bool conservative, bool xbias, bool ybias)
> +{
> + bool c1 = conservative ? 1 : 0;
> + draw(GL_TRIANGLES);
> + int c = 0;
> + if (ybias) {
> + c += piglit_probe_pixel_rgba(58, 25, white);
> + c += piglit_probe_pixel_rgba(58, 24, black);
> + } else {
> + c += piglit_probe_pixel_rgba(58, 25-c1, white);
> + c += piglit_probe_pixel_rgba(58, 24-c1, black);
> + }
> + if (xbias != ybias) { //precision problems mess up these probes when xbias and ybias differ
> + c += 2;
> + } else {
> + c += piglit_probe_pixel_rgba(180, 180+c1, white);
> + c += piglit_probe_pixel_rgba(180, 181+c1, black);
> + }
> + if (xbias) {
> + c += piglit_probe_pixel_rgba(224, 189, white);
> + c += piglit_probe_pixel_rgba(225, 189, black);
> + } else {
> + c += piglit_probe_pixel_rgba(224+c1, 189, white);
> + c += piglit_probe_pixel_rgba(225+c1, 189, black);
> + }
> + if (xbias && ybias)
> + c += piglit_probe_pixel_rgba(224, 24, black);
> + else if (xbias)
> + c += piglit_probe_pixel_rgba(224, 225, white);
> + else if (ybias)
> + c += piglit_probe_pixel_rgba(225, 225, black);
> + else
> + c += piglit_probe_pixel_rgba(225, 225, conservative?white:black);
> + return c == 7;
> +}
> +
> +static bool
> +test_lines(bool conservative, bool xbias, bool ybias)
> +{
> + int c1 = conservative ? 1 : 0;
> + draw(GL_LINE_STRIP);
> + int c = piglit_probe_pixel_rgba(224+c1, 149, white);
> + c += piglit_probe_pixel_rgba(225+c1, 149, black);
> + c += piglit_probe_pixel_rgba(100, 25-c1, white);
> + c += piglit_probe_pixel_rgba(100, 24-c1, black);
> + if (conservative) {
> + c += piglit_probe_pixel_rgba(24, 24, xbias?black:white);
> + c += piglit_probe_pixel_rgba(225, 225, ybias?black:white);
> + c += piglit_probe_pixel_rgba(225, 24, (xbias&&ybias)?black:white);
> + } else {
> + c += 3;
> + }
> + return c == 7;
> +}
> +
> +static bool
> +test_line_stipple()
> +{
> + draw(GL_LINE_STRIP);
> + return piglit_probe_pixel_rgba(26, 25, white);
> +}
> +
> +static bool
> +test_point(bool conservative, bool _0, bool _1)
> +{
> + draw(GL_POINTS);
> + int c = 0;
> + if (conservative) {
> + c += piglit_probe_pixel_rgba(124, 128, white);
> + c += piglit_probe_pixel_rgba(124, 129, black);
> + c += piglit_probe_pixel_rgba(128, 124, white);
> + c += piglit_probe_pixel_rgba(129, 124, black);
> + } else {
> + c += piglit_probe_pixel_rgba(123, 123, white);
> + c += piglit_probe_pixel_rgba(122, 123, black);
> + c += piglit_probe_pixel_rgba(125, 127, white);
> + c += piglit_probe_pixel_rgba(125, 128, black);
> + }
> + return c == 4;
> +}
> +
> +static enum piglit_result
> +test(const char* data)
> +{
> + bool bias[2] = {strstr(data, "x"), strstr(data, "y")};
> + bool conservative = strstr(data, "c");
> + bool pass = false;
> +
> + //Workaround for when normal_line renders slightly differently with -fbo
> + //(like with test_triangle()'s precision problems when xbias!=ybias)
> + if (strcmp(data, "l")==0 && piglit_use_fbo)
> + return PIGLIT_SKIP;
> +
> + if (conservative)
> + glEnable(GL_CONSERVATIVE_RASTERIZATION_NV);
> + else
> + glDisable(GL_CONSERVATIVE_RASTERIZATION_NV);
> + #if PIGLIT_USE_OPENGL
> + if (strstr(data, "s")) {
> + glEnable(GL_BLEND);
> + glEnable(GL_POLYGON_SMOOTH);
> + glEnable(GL_LINE_SMOOTH);
> + glEnable(GL_POINT_SMOOTH);
> + } else {
> + glDisable(GL_BLEND);
> + glDisable(GL_POLYGON_SMOOTH);
> + glDisable(GL_LINE_SMOOTH);
> + glDisable(GL_POINT_SMOOTH);
> + }
> + if (strstr(data, "i"))
> + glEnable(GL_LINE_STIPPLE);
> + else
> + glDisable(GL_LINE_STIPPLE);
> + glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
> + glLineStipple(3, 0xaaaa);
> + glPointSize(5.0);
> + #endif
> +
> + glSubpixelPrecisionBiasNV(bias[0]?8:0, bias[1]?8:0);
> +
> + if (strstr(data, "t"))
> + pass = test_triangle(conservative, bias[0], bias[1]);
> + else if (strstr(data, "l"))
> + pass = test_lines(conservative, bias[0], bias[1]);
> + else if (strstr(data, "p"))
> + pass = test_point(conservative, bias[0], bias[1]);
> + else if (strstr(data, "i"))
> + pass = test_line_stipple();
> +
> + return pass ? PIGLIT_PASS : PIGLIT_FAIL;
> +}
> +
> +static enum piglit_result
> +test_degenerate(void* data)
> +{
> + glEnable(GL_CONSERVATIVE_RASTERIZATION_NV);
> + glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
> + glClear(GL_COLOR_BUFFER_BIT);
> +
> + glBindBuffer(GL_ARRAY_BUFFER, buf_degenerate);
> + glEnableVertexAttribArray(0);
> + glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 0, (const GLvoid *)0);
> +
> + glUseProgram(program);
> + glDrawArrays(GL_TRIANGLES, 0, 3);
> +
> + return piglit_probe_pixel_rgba(125, 125, black) ? PIGLIT_PASS : PIGLIT_FAIL;
> +}
> +
> +//test data:
> +//t=triangle, l=line, p=point i=line stipple
> +//s=smooth, c=conservative, x=xbias, y=ybias
> +static const struct piglit_subtest subtests[] = {
> +#define ST(name, data) {\
> + "nv_conservative_raster-"name,\
> + "nv_conservative_raster-"name,\
> + (enum piglit_result(*)(void*))&test,\
> + data\
> + },
> + ST("normal_triangle", "t")
> + ST("bias00_triangle", "tc")
> + ST("bias80_triangle", "tcx")
> + ST("bias08_triangle", "tcy")
> + ST("bias88_triangle", "tcxy")
> +#if PIGLIT_USE_OPENGL
> + ST("smooth_triangle", "tsc")
> +#endif
> + ST("normal_line", "l")
> + ST("bias00_line", "lc")
> + ST("bias80_line", "lcx")
> + ST("bias08_line", "lcy")
> + ST("bias88_line", "lcxy")
> +#if PIGLIT_USE_OPENGL
> + ST("smooth_line", "lsc")
> + ST("stipple_line", "ic")
> + ST("normal_point", "p")
> + ST("bias00_point", "pc")
> + ST("smooth_point", "psc")
> +#endif
> +#undef ST
> + {
> + "nv_conservative_raster-degenerate_triangle",
> + "nv_conservative_raster-degenerate_triangle",
> + &test_degenerate,
> + NULL
> + },
> + {0},
> +};
> +
> +void
> +piglit_init(int argc, char **argv)
> +{
> + GLint max_subpixel_bits_bias;
> + const char **selected_subtests = NULL;
> + size_t num_selected_subtests = 0;
> +
> + piglit_require_extension("GL_NV_conservative_raster");
> +
> + glGetIntegerv(GL_MAX_SUBPIXEL_PRECISION_BIAS_BITS_NV, &max_subpixel_bits_bias);
> + if (max_subpixel_bits_bias<8)
> + piglit_report_result(PIGLIT_SKIP);
> +
> + program = piglit_build_simple_program(
> +#ifdef PIGLIT_USE_OPENGL
> + "#version 120\n"
> +#else
> + "#version 100\n"
> + "precision highp float;\n"
> +#endif
> + "attribute vec2 piglit_vertex;"
> + "void main() { gl_Position = vec4(piglit_vertex, 0.0, 1.0); }\n",
> +#ifdef PIGLIT_USE_OPENGL
> + "#version 120\n"
> +#else
> + "#version 100\n"
> + "precision highp float;\n"
> +#endif
> + "void main() { gl_FragColor = vec4(1.0); }\n");
> +
> + glGenBuffers(1, &buf_triangle);
> + glGenBuffers(1, &buf_lines);
> + glGenBuffers(1, &buf_point);
> + glGenBuffers(1, &buf_degenerate);
> + glBindBuffer(GL_ARRAY_BUFFER, buf_triangle);
> + glBufferData(GL_ARRAY_BUFFER, sizeof(verts_triangle), verts_triangle, GL_STATIC_DRAW);
> + glBindBuffer(GL_ARRAY_BUFFER, buf_lines);
> + glBufferData(GL_ARRAY_BUFFER, sizeof(verts_lines), verts_lines, GL_STATIC_DRAW);
> + glBindBuffer(GL_ARRAY_BUFFER, buf_point);
> + glBufferData(GL_ARRAY_BUFFER, sizeof(verts_point), verts_point, GL_STATIC_DRAW);
> + glBindBuffer(GL_ARRAY_BUFFER, buf_degenerate);
> + glBufferData(GL_ARRAY_BUFFER, sizeof(verts_degenerate), verts_degenerate, GL_STATIC_DRAW);
> +
> + num_selected_subtests = piglit_get_selected_tests(&selected_subtests);
> + piglit_report_result(piglit_run_selected_subtests(subtests, selected_subtests,
> + num_selected_subtests, PIGLIT_SKIP));
> +}
> +
> +enum piglit_result
> +piglit_display(void)
> +{
> + return PIGLIT_FAIL;
> +}
> diff --git a/tests/spec/nv_conservative_raster_dilate/CMakeLists.gl.txt b/tests/spec/nv_conservative_raster_dilate/CMakeLists.gl.txt
> new file mode 100644
> index 000000000..5485eb1a6
> --- /dev/null
> +++ b/tests/spec/nv_conservative_raster_dilate/CMakeLists.gl.txt
> @@ -0,0 +1,11 @@
> +include_directories(
> + ${GLEXT_INCLUDE_DIR}
> + ${OPENGL_INCLUDE_PATH}
> +)
> +
> +link_libraries (
> + piglitutil_${piglit_target_api}
> + ${OPENGL_gl_LIBRARY}
> +)
> +
> +piglit_add_executable (nv_conservative_raster_dilate-draw draw.c)
> diff --git a/tests/spec/nv_conservative_raster_dilate/CMakeLists.txt b/tests/spec/nv_conservative_raster_dilate/CMakeLists.txt
> new file mode 100644
> index 000000000..144a306f4
> --- /dev/null
> +++ b/tests/spec/nv_conservative_raster_dilate/CMakeLists.txt
> @@ -0,0 +1 @@
> +piglit_include_target_api()
> diff --git a/tests/spec/nv_conservative_raster_dilate/draw.c b/tests/spec/nv_conservative_raster_dilate/draw.c
> new file mode 100644
> index 000000000..477fe610f
> --- /dev/null
> +++ b/tests/spec/nv_conservative_raster_dilate/draw.c
> @@ -0,0 +1,151 @@
> +/*
> + * Copyright (c) 2018 Rhys Perry
> + *
> + * 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
> + * on the rights to use, copy, modify, merge, publish, distribute, sub
> + * license, 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
> + * NON-INFRINGEMENT. IN NO EVENT SHALL AUTHORS AND/OR THEIR SUPPLIERS
> + * 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.
> + */
> +
> +#include "piglit-util-gl.h"
> +
> +/**
> + * @file draw.c
> + *
> + * This test verifies that primitive dialation is implemented correctly
> + * for GL_NV_conservative_raster_dilate. It was created with a window size of
> + * 250x250 in mind and may not work with other sizes.
> + *
> + * The test works by probing various pixels of a rendered primitive that differ
> + * between the image with the tested feature enabled and one with it disabled.
> + */
> +
> +static const struct piglit_subtest subtests[];
> +
> +PIGLIT_GL_TEST_CONFIG_BEGIN
> +
> + config.supports_gl_compat_version = 21;
> + config.subtests = subtests;
> + config.window_width = 250;
> + config.window_height = 250;
> + config.window_visual = PIGLIT_GL_VISUAL_RGB | PIGLIT_GL_VISUAL_DOUBLE;
> +
> +PIGLIT_GL_TEST_CONFIG_END
> +
> +GLuint program, buf_triangle;
> +
> +static const float verts_triangle[6] = {
> + -0.799998779, -0.799998779,
> + 0.799998779, 0.799998779,
> + 0.799998779, -0.799998779};
> +
> +static const float white[4] = {1.0f, 1.0f, 1.0f, 1.0f};
> +static const float black[4] = {0.0f, 0.0f, 0.0f, 1.0f};
> +
> +static void
> +draw(GLenum prim)
> +{
> + glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
> + glClear(GL_COLOR_BUFFER_BIT);
> +
> + glUseProgram(program);
> + glDrawArrays(GL_TRIANGLES, 0, 3);
> +}
> +
> +static enum piglit_result
> +test(const char* data)
> +{
> + bool dilate = strcmp(data, "dilate") == 0;
> + int d1 = dilate ? 1 : 0;
> + glEnable(GL_CONSERVATIVE_RASTERIZATION_NV);
> + glConservativeRasterParameterfNV(GL_CONSERVATIVE_RASTER_DILATE_NV, dilate?0.75:0.0);
> + draw(GL_TRIANGLES);
> + int c = 0;
> +
> + c += piglit_probe_pixel_rgba(90-d1, 92, black);
> + c += piglit_probe_pixel_rgba(90-d1, 91, white);
> +
> + c += piglit_probe_pixel_rgba(179, 181+d1, black);
> + c += piglit_probe_pixel_rgba(180, 181+d1, white);
> +
> + c += piglit_probe_pixel_rgba(226, 119, black);
> + c += piglit_probe_pixel_rgba(225, 119, white);
> +
> + c += piglit_probe_pixel_rgba(130, 23, black);
> + c += piglit_probe_pixel_rgba(130, 24, white);
> +
> + return c==8 ? PIGLIT_PASS : PIGLIT_FAIL;
> +}
> +
> +static const struct piglit_subtest subtests[] = {
> + {
> + "nv_conservative_raster_dilate-normal",
> + "nv_conservative_raster_dilate-normal",
> + (enum piglit_result(*)(void*))&test,
> + ""
> + },
> + {
> + "nv_conservative_raster_dilate-dilate",
> + "nv_conservative_raster_dilate-dilate",
> + (enum piglit_result(*)(void*))&test,
> + "dilate"
> + },
> + {0},
> +};
> +
> +void
> +piglit_init(int argc, char **argv)
> +{
> + const char **selected_subtests = NULL;
> + size_t num_selected_subtests = 0;
> +
> + piglit_require_extension("GL_NV_conservative_raster_dilate");
> +
> + program = piglit_build_simple_program(
> +#ifdef PIGLIT_USE_OPENGL
> + "#version 120\n"
> +#else
> + "#version 100\n"
> + "precision highp float;\n"
> +#endif
> + "attribute vec2 piglit_vertex;"
> + "void main() { gl_Position = vec4(piglit_vertex, 0.0, 1.0); }\n",
> +#ifdef PIGLIT_USE_OPENGL
> + "#version 120\n"
> +#else
> + "#version 100\n"
> + "precision highp float;\n"
> +#endif
> + "void main() { gl_FragColor = vec4(1.0); }\n");
> +
> + glGenBuffers(1, &buf_triangle);
> + glBindBuffer(GL_ARRAY_BUFFER, buf_triangle);
> + glBufferData(GL_ARRAY_BUFFER, sizeof(verts_triangle), verts_triangle, GL_STATIC_DRAW);
> + glEnableVertexAttribArray(0);
> + glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 0, (const GLvoid *)0);
> +
> + num_selected_subtests = piglit_get_selected_tests(&selected_subtests);
> + piglit_report_result(piglit_run_selected_subtests(subtests, selected_subtests,
> + num_selected_subtests, PIGLIT_SKIP));
> +}
> +
> +enum piglit_result
> +piglit_display(void)
> +{
> + return PIGLIT_FAIL;
> +}
> diff --git a/tests/spec/nv_conservative_raster_pre_snap_triangles/CMakeLists.gl.txt b/tests/spec/nv_conservative_raster_pre_snap_triangles/CMakeLists.gl.txt
> new file mode 100644
> index 000000000..8fe798531
> --- /dev/null
> +++ b/tests/spec/nv_conservative_raster_pre_snap_triangles/CMakeLists.gl.txt
> @@ -0,0 +1,11 @@
> +include_directories(
> + ${GLEXT_INCLUDE_DIR}
> + ${OPENGL_INCLUDE_PATH}
> +)
> +
> +link_libraries (
> + piglitutil_${piglit_target_api}
> + ${OPENGL_gl_LIBRARY}
> +)
> +
> +piglit_add_executable (nv_conservative_raster_pre_snap_triangles-draw draw.c)
> diff --git a/tests/spec/nv_conservative_raster_pre_snap_triangles/CMakeLists.gles2.txt b/tests/spec/nv_conservative_raster_pre_snap_triangles/CMakeLists.gles2.txt
> new file mode 100644
> index 000000000..9e663ce72
> --- /dev/null
> +++ b/tests/spec/nv_conservative_raster_pre_snap_triangles/CMakeLists.gles2.txt
> @@ -0,0 +1,3 @@
> +link_libraries(piglitutil_${piglit_target_api})
> +
> +piglit_add_executable (nv_conservative_raster_pre_snap_triangles-draw_gles2 draw.c)
> diff --git a/tests/spec/nv_conservative_raster_pre_snap_triangles/CMakeLists.txt b/tests/spec/nv_conservative_raster_pre_snap_triangles/CMakeLists.txt
> new file mode 100644
> index 000000000..144a306f4
> --- /dev/null
> +++ b/tests/spec/nv_conservative_raster_pre_snap_triangles/CMakeLists.txt
> @@ -0,0 +1 @@
> +piglit_include_target_api()
> diff --git a/tests/spec/nv_conservative_raster_pre_snap_triangles/draw.c b/tests/spec/nv_conservative_raster_pre_snap_triangles/draw.c
> new file mode 100644
> index 000000000..1453bd514
> --- /dev/null
> +++ b/tests/spec/nv_conservative_raster_pre_snap_triangles/draw.c
> @@ -0,0 +1,148 @@
> +/*
> + * Copyright (c) 2018 Rhys Perry
> + *
> + * 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
> + * on the rights to use, copy, modify, merge, publish, distribute, sub
> + * license, 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
> + * NON-INFRINGEMENT. IN NO EVENT SHALL AUTHORS AND/OR THEIR SUPPLIERS
> + * 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.
> + */
> +
> +#include "piglit-util-gl.h"
> +
> +/**
> + * @file draw.c
> + *
> + * This test verifies that GL_CONSERVATIVE_RASTER_MODE_PRE_SNAP_TRIANGLES_NV is
> + * implemented correctly for GL_NV_conservative_raster_pre_snap_triangles. It
> + * was created with a window size of 250x250 in mind and may not work with
> + * other sizes.
> + *
> + * The test works by probing various pixels of a rendered primitive that differ
> + * between the image with the tested feature enabled and one with it disabled.
> + */
> +
> +static const struct piglit_subtest subtests[];
> +
> +PIGLIT_GL_TEST_CONFIG_BEGIN
> +
> + config.supports_gl_compat_version = 21;
> + config.supports_gl_es_version = 20;
> + config.subtests = subtests;
> + config.window_width = 250;
> + config.window_height = 250;
> + config.window_visual = PIGLIT_GL_VISUAL_RGB | PIGLIT_GL_VISUAL_DOUBLE;
> +
> +PIGLIT_GL_TEST_CONFIG_END
> +
> +GLuint program, buf_triangle, buf_zero;
> +
> +static const float verts_triangle[6] = {
> + -0.399991212, -0.799982424,
> + 0.799982424, 0.399991212,
> + 0.399991212, -0.799982424};
> +
> +static const float verts_zero[6] = {
> + 0.0, 0.0, 0.0, 0.0, 0.0, 0.0};
> +
> +static const float white[3] = {1.0f, 1.0f, 1.0f};
> +static const float black[3] = {0.0f, 0.0f, 0.0f};
> +
> +static enum piglit_result
> +test(const char* data)
> +{
> + glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
> + glClear(GL_COLOR_BUFFER_BIT);
> +
> + glBindBuffer(GL_ARRAY_BUFFER, strcmp(data, "0")?buf_triangle:buf_zero);
> + glEnableVertexAttribArray(0);
> + glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 0, (const GLvoid *)0);
> +
> + glUseProgram(program);
> + glDrawArrays(GL_TRIANGLES, 0, 3);
> +
> + if (strcmp(data, "0") == 0) {
> + bool pass = piglit_probe_pixel_rgb(125, 125, white);
> + return pass ? PIGLIT_PASS : PIGLIT_FAIL;
> + } else {
> + bool pass = piglit_probe_pixel_rgb(177, 30, white);
> + pass = pass && piglit_probe_pixel_rgb(177, 29, black);
> + return pass ? PIGLIT_PASS : PIGLIT_FAIL;
> + }
> +}
> +
> +static const struct piglit_subtest subtests[] = {
> + {
> + "nv_conservative_raster_pre_snap_triangles-degenerate",
> + "nv_conservative_raster_pre_snap_triangles-degenerate",
> + (enum piglit_result(*)(void*))&test,
> + "0"
> + },
> + {
> + "nv_conservative_raster_pre_snap_triangles-normal",
> + "nv_conservative_raster_pre_snap_triangles-normal",
> + (enum piglit_result(*)(void*))&test,
> + ""
> + },
> + {0},
> +};
> +
> +void
> +piglit_init(int argc, char **argv)
> +{
> + const char **selected_subtests = NULL;
> + size_t num_selected_subtests = 0;
> +
> + piglit_require_extension("GL_NV_conservative_raster_pre_snap_triangles");
> +
> + program = piglit_build_simple_program(
> +#ifdef PIGLIT_USE_OPENGL
> + "#version 120\n"
> +#else
> + "#version 100\n"
> + "precision highp float;\n"
> +#endif
> + "attribute vec2 piglit_vertex;"
> + "void main() { gl_Position = vec4(piglit_vertex, 0.0, 1.0); }\n",
> +#ifdef PIGLIT_USE_OPENGL
> + "#version 120\n"
> +#else
> + "#version 100\n"
> + "precision highp float;\n"
> +#endif
> + "void main() { gl_FragColor = vec4(1.0); }\n");
> +
> + glGenBuffers(1, &buf_triangle);
> + glBindBuffer(GL_ARRAY_BUFFER, buf_triangle);
> + glBufferData(GL_ARRAY_BUFFER, sizeof(verts_triangle), verts_triangle, GL_STATIC_DRAW);
> + glGenBuffers(1, &buf_zero);
> + glBindBuffer(GL_ARRAY_BUFFER, buf_zero);
> + glBufferData(GL_ARRAY_BUFFER, sizeof(verts_zero), verts_zero, GL_STATIC_DRAW);
> +
> + glEnable(GL_CONSERVATIVE_RASTERIZATION_NV);
> + glConservativeRasterParameteriNV(GL_CONSERVATIVE_RASTER_MODE_NV, GL_CONSERVATIVE_RASTER_MODE_PRE_SNAP_TRIANGLES_NV);
> +
> + num_selected_subtests = piglit_get_selected_tests(&selected_subtests);
> + piglit_report_result(piglit_run_selected_subtests(subtests, selected_subtests,
> + num_selected_subtests, PIGLIT_SKIP));
> +}
> +
> +enum piglit_result
> +piglit_display(void)
> +{
> + return PIGLIT_FAIL;
> +}
> --
> 2.14.3
>
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