[Piglit] [PATCH v2] amd_compressed_atc_texture: add miptree test

Jonathan Marek jonathan at marek.ca
Tue Apr 9 22:55:53 UTC 2019


The gl_internal_format field in the ktx file is 0x8C92 (ATC_RGB_AMD) so 
it should be good.

On 4/9/19 6:50 PM, Ilia Mirkin wrote:
> Nice, this is now an exact copy of the etc1 miptree test (except for
> the actual files, obviously).
> 
> Acked-by: Ilia Mirkin <imirkin at alum.mit.edu>
> 
> Would probably good to glance at an apitrace and ensure that the ktx
> really does contain ATC data and not ETC1 or whatever else...
> 
>    -ilia
> 
> On Tue, Apr 9, 2019 at 4:21 PM Jonathan Marek <jonathan at marek.ca> wrote:
>>
>> This echoes the ETC1 miptree test, and even uses the same image.
>>
>> Signed-off-by: Ilia Mirkin <imirkin at alum.mit.edu>
>> Signed-off-by: Jonathan Marek <jonathan at marek.ca>
>> ---
>>   tests/spec/CMakeLists.txt                     |   1 +
>>   .../CMakeLists.gles2.txt                      |   6 +
>>   .../amd_compressed_atc_texture/CMakeLists.txt |   1 +
>>   .../spec/amd_compressed_atc_texture/miptree.c | 247 ++++++++++++++++++
>>   .../waffles-compressed-atc-64x32.ktx          | Bin 0 -> 1464 bytes
>>   .../waffles-decompressed-rgba-64x32.ktx       | Bin 0 -> 11008 bytes
>>   6 files changed, 255 insertions(+)
>>   create mode 100644 tests/spec/amd_compressed_atc_texture/CMakeLists.gles2.txt
>>   create mode 100644 tests/spec/amd_compressed_atc_texture/CMakeLists.txt
>>   create mode 100644 tests/spec/amd_compressed_atc_texture/miptree.c
>>   create mode 100644 tests/spec/amd_compressed_atc_texture/waffles-compressed-atc-64x32.ktx
>>   create mode 100644 tests/spec/amd_compressed_atc_texture/waffles-decompressed-rgba-64x32.ktx
>>
>> diff --git a/tests/spec/CMakeLists.txt b/tests/spec/CMakeLists.txt
>> index 7f0d3a44e..6169041ff 100644
>> --- a/tests/spec/CMakeLists.txt
>> +++ b/tests/spec/CMakeLists.txt
>> @@ -1,5 +1,6 @@
>>   add_subdirectory (amd_framebuffer_multisample_advanced)
>>   add_subdirectory (amd_depth_clamp_separate)
>> +add_subdirectory (amd_compressed_atc_texture)
>>   add_subdirectory (amd_performance_monitor)
>>   add_subdirectory (amd_pinned_memory)
>>   add_subdirectory (arb_arrays_of_arrays)
>> diff --git a/tests/spec/amd_compressed_atc_texture/CMakeLists.gles2.txt b/tests/spec/amd_compressed_atc_texture/CMakeLists.gles2.txt
>> new file mode 100644
>> index 000000000..0509e44ae
>> --- /dev/null
>> +++ b/tests/spec/amd_compressed_atc_texture/CMakeLists.gles2.txt
>> @@ -0,0 +1,6 @@
>> +include_directories(
>> +       ${GLEXT_INCLUDE_DIR}
>> +       ${OPENGL_INCLUDE_PATH}
>> +)
>> +link_libraries(piglitutil_${piglit_target_api})
>> +piglit_add_executable(amd_compressed_atc_texture-miptree miptree.c)
>> diff --git a/tests/spec/amd_compressed_atc_texture/CMakeLists.txt b/tests/spec/amd_compressed_atc_texture/CMakeLists.txt
>> new file mode 100644
>> index 000000000..144a306f4
>> --- /dev/null
>> +++ b/tests/spec/amd_compressed_atc_texture/CMakeLists.txt
>> @@ -0,0 +1 @@
>> +piglit_include_target_api()
>> diff --git a/tests/spec/amd_compressed_atc_texture/miptree.c b/tests/spec/amd_compressed_atc_texture/miptree.c
>> new file mode 100644
>> index 000000000..386ca9811
>> --- /dev/null
>> +++ b/tests/spec/amd_compressed_atc_texture/miptree.c
>> @@ -0,0 +1,247 @@
>> +/*
>> + * Copyright 2012 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
>> + * \brief Test texturing from an ATC miptree of a real image.
>> + *
>> + * Copied from identical ETC1 test.
>> + *
>> + * This test uses two data files. The file waffles-compressed-atc-64x32.ktx
>> + * contains a full miptree in GL_ATC_RGB_AMD format of a 2D texture of
>> + * waffles and fruit [1].  The base level size is 64x32 pixels. The file
>> + * waffles-decompressed-rgba-64x32.ktx contains a parallel miptree in GL_RGBA
>> + * format. Each of its RGBA images was obtained by decompressing the corresponding
>> + * ATC image with AMD's Compressonator tool [2].
>> + *
>> + * This test draws each miplevel i of the ATC texture such that the image's
>> + * lower left corner is at (x=0, y=sum(height of miplevel j for j=0 to i-1)),
>> + * and it draws each miplevel of the RGB texture to the right of its
>> + * corresponding ATC image. Then it compares that the images are identical.
>> + *
>> + * [1] The reference image is located at http://people.freedesktop.org/~chadversary/permalink/2012-07-09/1574cff2-d091-4421-a3cf-b56c7943d060.jpg.
>> + * [2] https://github.com/GPUOpen-Tools/Compressonator
>> + *
>> + * Compressonator tool is not perfect:
>> + * -RGBA is used for the decompressed image because the tool is buggy with RGB.
>> + * -red/blue swapped when decompressing ATC (used script to swap red/blue back for test image)
>> + * -7th 1x1 mipmap isn't generated (num_levels 6 instead of 7)
>> + */
>> +
>> +#include "piglit-util-gl.h"
>> +#include "piglit_ktx.h"
>> +
>> +#define num_levels 6
>> +#define level0_width 64
>> +#define level0_height 32
>> +
>> +#define num_vertices 4
>> +
>> +static const int window_width = 2 * level0_width;
>> +static const int window_height = 2 * level0_height;
>> +
>> +PIGLIT_GL_TEST_CONFIG_BEGIN
>> +
>> +       config.supports_gl_es_version = 20;
>> +
>> +       config.window_width = window_width;
>> +       config.window_height = window_height;
>> +       config.window_visual = PIGLIT_GL_VISUAL_RGB | PIGLIT_GL_VISUAL_DOUBLE;
>> +
>> +PIGLIT_GL_TEST_CONFIG_END
>> +
>> +
>> +static GLuint prog;
>> +
>> +/* Texture objects. */
>> +static GLuint compressed_tex;
>> +static GLuint decompressed_tex;
>> +
>> +/**
>> + * The \a filename is relative to the current test's source directory.
>> + *
>> + * A new texture is created and returned in \a tex_name.
>> + */
>> +static void
>> +load_texture(const char *filename, GLuint *tex_name)
>> +{
>> +       struct piglit_ktx *ktx;
>> +       const struct piglit_ktx_info *info;
>> +       char filepath[4096];
>> +       bool ok = true;
>> +
>> +       piglit_join_paths(filepath, sizeof(filepath), 5,
>> +                         piglit_source_dir(),
>> +                         "tests",
>> +                         "spec",
>> +                         "amd_compressed_atc_texture",
>> +                         filename);
>> +
>> +       ktx = piglit_ktx_read_file(filepath);
>> +       if (ktx == NULL)
>> +               piglit_report_result(PIGLIT_FAIL);
>> +
>> +       info = piglit_ktx_get_info(ktx);
>> +       assert(info->num_miplevels == num_levels);
>> +       assert(info->target == GL_TEXTURE_2D);
>> +       assert(info->pixel_width == level0_width);
>> +       assert(info->pixel_height== level0_height);
>> +
>> +       *tex_name = 0;
>> +       ok = piglit_ktx_load_texture(ktx, tex_name, NULL);
>> +       if (!ok)
>> +               piglit_report_result(PIGLIT_FAIL);
>> +
>> +       piglit_ktx_destroy(ktx);
>> +}
>> +
>> +void
>> +piglit_init(int argc, char **argv)
>> +{
>> +       static const char compressed_filename[] = "waffles-compressed-atc-64x32.ktx";
>> +       static const char decompressed_filename[] = "waffles-decompressed-rgba-64x32.ktx";
>> +
>> +       const char vs_source[] =
>> +               "#version 100\n"
>> +               "\n"
>> +               "uniform vec2 window_pixel_size;\n"
>> +               "uniform vec2 level_pixel_size;\n"
>> +               "uniform vec2 pixel_offset;\n"
>> +               "\n"
>> +               "// vertex is some corner of the unit square [0,1]^2 \n"
>> +               "attribute vec2 vertex;\n"
>> +               "varying vec2 tex_coord;\n"
>> +               "\n"
>> +               "void main()\n"
>> +               "{\n"
>> +               "    vec2 pos = vertex;\n"
>> +               "    pos *= level_pixel_size;\n"
>> +               "    pos += pixel_offset;\n"
>> +               "    pos /= 0.5 * window_pixel_size;\n"
>> +               "    pos -= vec2(1, 1);\n"
>> +               "    gl_Position = vec4(pos.xy, 0.0, 1.0);\n"
>> +               "\n"
>> +               "    tex_coord = vertex;\n"
>> +               "}\n";
>> +
>> +       const char fs_source[] =
>> +               "#version 100\n"
>> +               "precision highp float;\n"
>> +               "\n"
>> +               "uniform sampler2D tex;\n"
>> +               "varying vec2 tex_coord;\n"
>> +               "\n"
>> +               "void main()\n"
>> +               "{\n"
>> +               "    vec4 t = texture2D(tex, tex_coord);\n"
>> +               "    gl_FragColor = vec4(t.rgb, 1.0);\n"
>> +               "}\n";
>> +
>> +       /* Draw a square triangle strip. */
>> +       const GLfloat vertices[2 * num_vertices] = {
>> +               0, 0,
>> +               1, 0,
>> +               1, 1,
>> +               0, 1,
>> +       };
>> +
>> +       GLint vertex_loc;
>> +       GLuint vertex_buf;
>> +
>> +       piglit_require_extension("GL_AMD_compressed_ATC_texture");
>> +
>> +       load_texture(compressed_filename, &compressed_tex);
>> +       load_texture(decompressed_filename, &decompressed_tex);
>> +
>> +       glClearColor(1.0, 0.0, 0.0, 1.0);
>> +       glViewport(0, 0, window_width, window_height);
>> +
>> +       prog = piglit_build_simple_program(vs_source, fs_source);
>> +       glUseProgram(prog);
>> +
>> +       vertex_loc = glGetAttribLocation(prog, "vertex");
>> +       glGenBuffers(1, &vertex_buf);
>> +       glBindBuffer(GL_ARRAY_BUFFER, vertex_buf);
>> +       glEnableVertexAttribArray(vertex_loc);
>> +       glVertexAttribPointer(vertex_loc, 2, GL_FLOAT, GL_FALSE, 0, NULL);
>> +       glBufferData(GL_ARRAY_BUFFER, sizeof(vertices), vertices,
>> +                    GL_STATIC_DRAW);
>> +
>> +       glUniform1i(glGetUniformLocation(prog, "tex"), 0);
>> +       glActiveTexture(GL_TEXTURE0);
>> +       glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST_MIPMAP_NEAREST);
>> +       glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
>> +
>> +       glUniform2f(glGetUniformLocation(prog, "window_pixel_size"),
>> +                   window_width, window_height);
>> +}
>> +
>> +static void
>> +minify(int *x)
>> +{
>> +       assert(*x > 0);
>> +
>> +       if (*x > 1)
>> +               *x >>= 1;
>> +}
>> +
>> +enum piglit_result
>> +piglit_display(void)
>> +{
>> +       GLint pixel_offset_loc = glGetUniformLocation(prog, "pixel_offset");
>> +       GLint level_pixel_size_loc = glGetUniformLocation(prog, "level_pixel_size");
>> +
>> +       int level = 0;
>> +       int level_width = level0_width;
>> +       int level_height = level0_height;
>> +       int y_offset = 0;
>> +
>> +       bool pass = true;
>> +
>> +       glClear(GL_COLOR_BUFFER_BIT);
>> +
>> +       for (level = 0; level < num_levels; ++level) {
>> +               glUniform2f(level_pixel_size_loc,
>> +                           (float) level_width,
>> +                           (float) level_height);
>> +
>> +               /* Draw miplevel of compressed texture. */
>> +               glBindTexture(GL_TEXTURE_2D, compressed_tex);
>> +               glUniform2f(pixel_offset_loc, 0, y_offset);
>> +               glDrawArrays(GL_TRIANGLE_FAN, 0, num_vertices);
>> +
>> +               /* Draw miplevel of decompressed texture. */
>> +               glBindTexture(GL_TEXTURE_2D, decompressed_tex);
>> +               glUniform2f(pixel_offset_loc, level0_width, y_offset);
>> +               glDrawArrays(GL_TRIANGLE_FAN, 0, num_vertices);
>> +
>> +               y_offset += level_height;
>> +               minify(&level_width);
>> +               minify(&level_height);
>> +       }
>> +
>> +       pass = piglit_probe_rect_halves_equal_rgba(0, 0, window_width, window_height);
>> +       piglit_present_results();
>> +
>> +       return pass ? PIGLIT_PASS : PIGLIT_FAIL;
>> +}
>> diff --git a/tests/spec/amd_compressed_atc_texture/waffles-compressed-atc-64x32.ktx b/tests/spec/amd_compressed_atc_texture/waffles-compressed-atc-64x32.ktx
>> new file mode 100644
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>> GIT binary patch
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>> diff --git a/tests/spec/amd_compressed_atc_texture/waffles-decompressed-rgba-64x32.ktx b/tests/spec/amd_compressed_atc_texture/waffles-decompressed-rgba-64x32.ktx
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>> z)OrTT|6u2Uv(?|}5BFmJLGA$^)W4_Vax%O4zJ+<a)^FtidDuVu$BH(ii~#&W_E<*I
>> zTwP9}dsl-3wTHLhtUugs{*Lv`xAnhg@>RC}*Ztv*-Y?ew;*R40$AEatD19$|0B7Vt
>> zjsfxCwdEP*FZYjyk?5234hu7v=JmElzVEI6clhJnKUn>fl?E*gj3<NZ27K-^#jV$l
>> zBoGdJ=!xhJ)YcSMq<B4F_0VYY^7A-=wcXz6DC-(c?QRlsbtA}Z=bSKypPImZ;GztF
>> z9{9NSb~R>s8+`UWpC`Xbk@?lTWPbetZ}UBeqVPPSkdwmCvL|u`wl=>(yZ0U9Yo19x
>> zJ-upF&l>ah0XPpR`2I{jr=g{ts%KAB{xXWUa-TKe4*zH40fqP at 2iTUiiHzd@Y3u^Z
>> zL`s#n<N%}i%P9Vz?_D?GZ*mTFh~NLGhs^#@ta;1)F~U6>OQ;dsd-m-wxZ_!?c;`nr
>> zm#?ZMug_3O-DQ;ePrr3Eg*AWV0Ki))=8u|-JN&zrja67V;OpS=?GIXcK;6Nh{#wm+
>> z_v0tORPLy|^ng5Hw(`K<&CTt!a%Cm?^3LLp5&bXj&i;qL^uPGeo;;F()L-v?^Z=Z7
>> z(DORzd-wxvpW%=G2ZQu~rWePCN$`g|kRCwqCmP#S4`76|j_!`_)Ds25K3=<f>;(B|
>> zRWrt0;BSN-^RA{WuTyl)CO#&Z?8eI#8D1}Kn|CRNcs~#cc<7n=*HC7QL9aY<9rg11
>> z`}kWMt!FmevBXy_>py4zR at A;ofl!2+ckJbwbN^@g_|LPop_QUl35CxeprRN-@@eS)
>> z*sho|-j)OS>xjFI&5vGqR{x__my!4*2UWpKls|F+cjUn7 at 4Q#l{X07UM(~F_z_z%{
>> zc-Ou2i+f8x*nMfVTIB$v(?46o_iQ at 6UTIl4(W?Km!7B)L2gpHy*Q^zHoKKPmseQVf
>> z*X|7bZLl-E_4 at 12Y|rK&2!=_)wby$9HD3{pDg4G+YA)_P!dXZ(y!Ng9vz!Bq8ozSS
>> z@~GhchkqdlmlNtflt1bZP91&S>V4!v_s2GBzCQlkfIH_v+;I$G8~*SXiuOEv-#%>)
>> zMV7=Zcj=c{I6y+{=Jk}>9I}zE=jYTKW>=W9P4^ez-*qkZQ8}*zKpWrd>VKaq=e1j&
>> zcj{MATe)G;+ufdj=EjQ@=emX8H#N7?jlaHyyk0L&nHp5v<&Vb*{4V$a`TYjN?i%7B
>> zt4+|ui`Gyu9JPV-WcR_NeE#I`IT<*MKgP!BJ%jq|?kX2rZs2{m@>gf|M;^p~|I7T0
>> zj_X~_8$W~ll4YwYG%KP&9>9RJL9^yW@;NB(4|k`3{CV6b40u~3uMyI3bXYkE2Ltp}
>> zWV)3Hy_VQM`oi6X+M^E~{?7MOdl|)BuH#OB at rFB)x}yhlf60Shdu)q0#_9LZSG9+C
>> z=iUQnx+51 at BWa-j(F4c>h=u&rv~;rK&C1&-&FerNr?0$69{}-2?`MzU9<{Lk)a$=%
>> zR~H$90C~JV8&ZE63w at 8?FZ6%3rjCH_k7MAh-uXT#DINGX0C-F!IBVj3Z=T?1{!DZI
>> z)8zB;_YRSe!hD<WZJGA96UgA_AfWQ at v2^SJALo2sFTk7HOX6ZwFP at t-rv4tWSI&P(
>> z#g_OTPyb%UR&(g~+2+s|<?j%`WqdV<LE?Y-`UVvn at d0um-qy(RO-6En_y<}lwK*tD
>> z>wm-X$9GB+SLOhBaIoQyfw|=4V-BbV;)6mRtk7!1*^_3D at 1Hbs$I=9L)>hDlnf!gz
>> z0<U8Iv at rzgrd_Pa)w>CpU49$AQ6E2&@=<o%9PXQ>JvhIU_}OHXz at 9A+TO`Uo6yiP-
>> z5MSbA?E#VtMya?m7K at MA5+7?!{e_s at R@`iXm^u<0BjTI&hAjtSPnj(Th~HClwUq;L
>> z|Lje^$76r2ZuJ*p%kx)k>#>XZBffxIApbH4<bTh?D=1;O)QEXl-W<DF{KOI;Kl|Y4
>> zUCg{YC-A?sanYQc#wxHK<@@~RsTW&g64&^y5WTm_pnt6KQPkjPb{ZLeCa;r9^8E;(
>> z_j(TRr%#Uco^fpJ at i7M#bLIqFe9WPH at xXHi#Katg=Cxt<Or-nOr_^|yzrXsJzq<k0
>> zMoj53jQY6*+lUYE+a`@wL^*b2jZc9*NL-We?*P03;$tp|FR|6L8OJ#u at dZ78Ys)TL
>> zz3NZ4*q8_63z&z*#XNw-l^Te@^<2miANdE!KR`_Vp75n*cM}Nm^B)lA-qG0?oxs<5
>> zK7R8g`B>KJ>f&e4+Bq|q<L{K1wXrz8+S*CI$8w5AkHyrziJ$L5bR>ReTa*B<p*vPh
>> zvWWBdyW8iDRq-(wJvO$T at e$Jq1XX;@LE_5VP+~t`5vQi at oyuLGgIvQ4BmWyLjxTx8
>> z<A0QDwz*?2h^- at WF=8%=3v#^f0OBok5O+Pk<Q^m9ztgaid!5f at 404aSfnZRf$HunA
>> zMQi|PiH))3T>kP$tDnAoV8_dRY`f{jIX_d^G>j3ihfW{q(obQw9LWCIw<WefvA6o?
>> zYJXgl at EO^<z#02z_O_BB`ysZ(*FOXM>vM>Q`8y>I*$<zCZOj>Q at fiU7pWIzz&0+C0
>> zzFvFX7HPf)=v1z+A|2bmf#C1iWd9BG3<CPT*lzFOwKso1C2Zf$?|DCrYbvTJRU1<K
>> zVPAZfbAQ<npM!Z|Kj~xHAD<x{+%SWL%sxK<a%}7;y at 7qPpUh(=E<ozsh<-9D^?W(K
>> z_EHVSA^|$|)<CWCGmr>-75E+g2H+(>mk~e5zJmN5BR&T|$7jgrjNv(C-%ruL=N{qv
>> ZBtGBpHb!vxwQ2<~S4)!d5T)DW^j`oN)ARrU
>>
>> literal 0
>> HcmV?d00001
>>
>> --
>> 2.17.1
>>


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