[Piglit] [PATCH v7] Port basic GL rendering test from Glean to Piglit
Juliet Fru
julietfru at gmail.com
Sun Sep 13 10:20:18 PDT 2015
Hello Brian,
Could you please give the sample array for testing the black colour?
Regards,
Juliet
On Fri, Sep 11, 2015 at 10:23 PM, Brian Paul <brianp at vmware.com> wrote:
> On 09/11/2015 12:55 PM, Juliet Fru wrote:
>
>> This test replaces the original glean tpaths.cpp test.
>> ---
>> tests/all.py | 1 +
>> tests/spec/gl-1.0/CMakeLists.gl.txt | 1 +
>> tests/spec/gl-1.0/no-op-paths.c | 294
>> ++++++++++++++++++++++++++++++++++++
>> 3 files changed, 296 insertions(+)
>> create mode 100644 tests/spec/gl-1.0/no-op-paths.c
>>
>> diff --git a/tests/all.py b/tests/all.py
>> index fcfc5cd..85973d6 100644
>> --- a/tests/all.py
>> +++ b/tests/all.py
>> @@ -1000,6 +1000,7 @@ with profile.group_manager(
>> g(['gl-1.0-ortho-pos'])
>> g(['gl-1.0-readpixsanity'])
>> g(['gl-1.0-logicop'])
>> + g(['gl-1.0-no-op-paths'])
>>
>> with profile.group_manager(
>> PiglitGLTest,
>> diff --git a/tests/spec/gl-1.0/CMakeLists.gl.txt
>> b/tests/spec/gl-1.0/CMakeLists.gl.txt
>> index d04b835..7a7f508 100644
>> --- a/tests/spec/gl-1.0/CMakeLists.gl.txt
>> +++ b/tests/spec/gl-1.0/CMakeLists.gl.txt
>> @@ -22,6 +22,7 @@ piglit_add_executable (gl-1.0-front-invalidate-back
>> front-invalidate-back.c)
>> piglit_add_executable (gl-1.0-logicop logicop.c)
>> piglit_add_executable (gl-1.0-long-dlist long-dlist.c)
>> piglit_add_executable (gl-1.0-ortho-pos orthpos.c)
>> +piglit_add_executable (gl-1.0-no-op-paths no-op-paths.c)
>> piglit_add_executable (gl-1.0-polygon-line-aa polygon-line-aa.c)
>> piglit_add_executable (gl-1.0-push-no-attribs push-no-attribs.c)
>> piglit_add_executable (gl-1.0-readpixsanity readpix.c)
>> diff --git a/tests/spec/gl-1.0/no-op-paths.c
>> b/tests/spec/gl-1.0/no-op-paths.c
>> new file mode 100644
>> index 0000000..a573b07
>> --- /dev/null
>> +++ b/tests/spec/gl-1.0/no-op-paths.c
>> @@ -0,0 +1,294 @@
>> +/* BEGIN_COPYRIGHT -*- glean -*-
>> + *
>> + * Copyright (C) 1999 Allen Akin All Rights Reserved.
>> + * Copyright (C) 2015 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.
>> + *
>> + * END_COPYRIGHT
>> + */
>> +/** @file paths.c
>> + *
>> + * Test basic GL rendering paths.
>> + *
>> + *
>> + * Based on the original Glean tpaths.cpp test, this test verifies
>> + * that basic, trival OpenGL paths work as expected. For example,
>> + * glAlphaFunc(GL_GEQUAL, 0.0) should always pass and
>> + * glAlphaFunc(GL_LESS, 0.0) should always fail. We setup trivial
>> + * pass and fail conditions for each of alpha test, blending, color
>> mask,
>> + * depth test, logic ops, scissor, stencil, stipple, and texture and
>> + * make sure they work as expected. We also setup trival-pass for
>> all
>> + * these paths simultaneously and test that as well.
>> + *
>> + * To test for pass/fail we examine the color buffer for white or
>> black,
>> + * respectively.
>> + *
>> + * Authors:
>> + * Brian Paul <brianp at valinux.com>
>> + * Adapted to Piglit by Juliet Fru <julietfru at gmail.com>, August
>> 2015.
>> + */
>> +
>> +#include "piglit-util-gl.h"
>> +
>> +PIGLIT_GL_TEST_CONFIG_BEGIN config.supports_gl_compat_version = 10;
>> +
>> +config.window_visual = PIGLIT_GL_VISUAL_RGBA |
>> + PIGLIT_GL_VISUAL_DOUBLE | PIGLIT_GL_VISUAL_DEPTH |
>> + PIGLIT_GL_VISUAL_STENCIL;
>> +
>> +PIGLIT_GL_TEST_CONFIG_END enum path
>> +{
>> + ALPHA,
>> + BLEND,
>> + COLOR_MASK,
>> + DEPTH,
>> + LOGIC,
>> + SCISSOR,
>> + STENCIL,
>> + STIPPLE,
>> + TEXTURE,
>> + NUM_PATHS /* end-of-list token */
>> +};
>> +
>> +enum state
>> +{
>> + DISABLE,
>> + ALWAYS_PASS,
>> + ALWAYS_FAIL
>> +};
>> +
>> +const char *
>> +path_name(enum path paths)
>> +{
>> + switch (paths) {
>> + case ALPHA:
>> + return "Alpha Test";
>> + case BLEND:
>> + return "Blending";
>> + case COLOR_MASK:
>> + return "Color Mask";
>> + case DEPTH:
>> + return "Depth Test";
>> + case LOGIC:
>> + return "LogicOp";
>> + case SCISSOR:
>> + return "Scissor Test";
>> + case STENCIL:
>> + return "Stencil Test";
>> + case STIPPLE:
>> + return "Polygon Stipple";
>> + case TEXTURE:
>> + return "Modulated Texture";
>> + case NUM_PATHS:
>> + return "paths";
>> + }
>> +}
>> +
>> +void
>> +set_path_state(enum path paths, enum state states)
>> +{
>> + int i;
>> + switch (paths) {
>> + case ALPHA:
>> + if (states == ALWAYS_PASS) {
>> + glAlphaFunc(GL_GEQUAL, 0.0);
>> + glEnable(GL_ALPHA_TEST);
>> + } else if (states == ALWAYS_FAIL) {
>> + glAlphaFunc(GL_GREATER, 1.0);
>> + glEnable(GL_ALPHA_TEST);
>> + } else {
>> + glDisable(GL_ALPHA_TEST);
>> + }
>> + break;
>> + case BLEND:
>> + if (states == ALWAYS_PASS) {
>> + glBlendFunc(GL_ONE, GL_ZERO);
>> + glEnable(GL_BLEND);
>> + } else if (states == ALWAYS_FAIL) {
>> + glBlendFunc(GL_ZERO, GL_ONE);
>> + glEnable(GL_BLEND);
>> + } else {
>> + glDisable(GL_BLEND);
>> + }
>> + break;
>> + case COLOR_MASK:
>> + if (states == ALWAYS_PASS) {
>> + glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
>> + } else if (states == ALWAYS_FAIL) {
>> + glColorMask(GL_FALSE, GL_FALSE, GL_FALSE,
>> GL_FALSE);
>> + } else {
>> + glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
>> + }
>> + break;
>> + case DEPTH:
>> + if (states == ALWAYS_PASS) {
>> + glDepthFunc(GL_ALWAYS);
>> + glEnable(GL_DEPTH_TEST);
>> + } else if (states == ALWAYS_FAIL) {
>> + glDepthFunc(GL_NEVER);
>> + glEnable(GL_DEPTH_TEST);
>> + } else {
>> + glDisable(GL_DEPTH_TEST);
>> + }
>> + break;
>> + case LOGIC:
>> + if (states == ALWAYS_PASS) {
>> + glLogicOp(GL_OR);
>> + glEnable(GL_COLOR_LOGIC_OP);
>> + } else if (states == ALWAYS_FAIL) {
>> + glLogicOp(GL_AND);
>> + glEnable(GL_COLOR_LOGIC_OP);
>> + } else {
>> + glDisable(GL_COLOR_LOGIC_OP);
>> + }
>> + break;
>> + case SCISSOR:
>> + if (states == ALWAYS_PASS) {
>> + glScissor(0, 0, 10, 10);
>> + glEnable(GL_SCISSOR_TEST);
>> + } else if (states == ALWAYS_FAIL) {
>> + glScissor(0, 0, 0, 0);
>> + glEnable(GL_SCISSOR_TEST);
>> + } else {
>> + glDisable(GL_SCISSOR_TEST);
>> + }
>> + break;
>> + case STENCIL:
>> + if (states == ALWAYS_PASS) {
>> + /* pass if reference <= stencil value (ref = 0) */
>> + glStencilFunc(GL_LEQUAL, 0, ~0);
>> + glEnable(GL_STENCIL_TEST);
>> + } else if (states == ALWAYS_FAIL) {
>> + /* pass if reference > stencil value (ref = 0) */
>> + glStencilFunc(GL_GREATER, 0, ~0);
>> + glEnable(GL_STENCIL_TEST);
>> + } else {
>> + glDisable(GL_STENCIL_TEST);
>> + }
>> + break;
>> + case STIPPLE:
>> + if (states == ALWAYS_PASS) {
>> + GLubyte stipple[4 * 32];
>> + for (i = 0; i < 4 * 32; i++)
>> + stipple[i] = 0xff;
>> + glPolygonStipple(stipple);
>> + glEnable(GL_POLYGON_STIPPLE);
>> + } else if (states == ALWAYS_FAIL) {
>> + GLubyte stipple[4 * 32];
>> + for (i = 0; i < 4 * 32; i++)
>> + stipple[i] = 0x0;
>> + glPolygonStipple(stipple);
>> + glEnable(GL_POLYGON_STIPPLE);
>> + } else {
>> + glDisable(GL_POLYGON_STIPPLE);
>> + }
>> + break;
>> + case TEXTURE:
>> + if (states == DISABLE) {
>> + glDisable(GL_TEXTURE_2D);
>> + } else {
>> + GLubyte val = (states == ALWAYS_PASS) ? 0xff :
>> 0x00;
>> + GLubyte texImage[4 * 4 * 4];
>> + for (i = 0; i < 4 * 4 * 4; i++)
>> + texImage[i] = val;
>> + glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 4, 4, 0,
>> + GL_RGBA, GL_UNSIGNED_BYTE, texImage);
>> + glTexParameteri(GL_TEXTURE_2D,
>> GL_TEXTURE_MIN_FILTER,
>> + GL_NEAREST);
>> + glTexParameteri(GL_TEXTURE_2D,
>> GL_TEXTURE_MAG_FILTER,
>> + GL_NEAREST);
>> + glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE,
>> + GL_MODULATE);
>> + glEnable(GL_TEXTURE_2D);
>> + }
>> + break;
>> + default:
>> + break;
>> + }
>> +}
>> +
>> +void
>> +piglit_init(int argc, char **argv)
>> +{
>> + /* No init */
>> +}
>> +
>> +enum piglit_result
>> +piglit_display(void)
>> +{
>> + bool pass = true;
>> + int i;
>> +
>> + static const float white[3] = { 1.0, 1.0, 1.0 };
>> +
>> + piglit_ortho_projection(piglit_width, piglit_height, GL_FALSE);
>> + glClear(GL_COLOR_BUFFER_BIT);
>> +
>> + glDisable(GL_DITHER);
>> +
>> + /* test always-pass paths */
>> + for (i = 0; i < NUM_PATHS; i++) {
>>
>
> The glClear() which was first in the loop in the Glean test is missing
> here.
>
>
>
> + set_path_state(i, ALWAYS_PASS);
>> +
>> + /* draw polygon */
>> + piglit_draw_rect(i * 10, 0, 10, 10);
>> +
>> + set_path_state(i, DISABLE);
>> +
>> + /* test buffer */
>> + if (!piglit_probe_pixel_rgb(i * 10 + 4, 4, white)) {
>> + pass = false;
>> + }
>> + }
>> +
>> + /* enable all always-pass paths */
>> + for (i = 0; i < NUM_PATHS; i++) {
>> + set_path_state(i, ALWAYS_PASS);
>> +
>> + /* draw polygon */
>> + piglit_draw_rect(10, 10, 10, 10);
>> +
>> + set_path_state(i, DISABLE);
>> +
>> + /* test buffer */
>> + if (!piglit_probe_pixel_rgb(4, 14, white)) {
>> + pass = false;
>> + }
>> + }
>>
>
> That test section is still incorrect. There should be two loops, like in
> the original Glean test:
>
> glClear(GL_COLOR_BUFFER_BIT);
>
> for (i = 0; i < NUM_PATHS; i++) {
> set_path_state(i, ALWAYS_PASS);
> }
>
> /* draw polygon */
> piglit_draw_rect(10, 10, 10, 10);
>
> for (i = 0; i < NUM_PATHS; i++) {
> set_path_state(i, DISABLE);
> }
>
> /* test buffer */
> if (!piglit_probe_pixel_rgb(4, 14, white)) {
> pass = false;
> }
>
>
> +
>> + /* test never-pass paths */
>> + for (i = 0; i < NUM_PATHS; i++) {
>>
>
> Missing glClear() here.
>
> + set_path_state(i, ALWAYS_FAIL);
>> +
>> + /* draw polygon */
>> + piglit_draw_rect(10 * i, 20, 10, 10);
>> +
>> + set_path_state(i, DISABLE);
>> +
>> + /* test buffer */
>> + if (!piglit_probe_pixel_rgb(10 * i + 4, 24, white)) {
>>
>
> Should test for black (not white) here like the Glean test.
>
>
>
> + pass = false;
>> + }
>> + }
>> +
>> + piglit_present_results();
>> + return pass ? PIGLIT_PASS : PIGLIT_FAIL;
>> +}
>>
>>
>
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