[Piglit] [PATCH 1/2] textureSize: add ability to test tess eval stage
Roland Scheidegger
sroland at vmware.com
Thu Jan 4 03:35:46 UTC 2018
Thanks for the review, I've added the tests to all.py. And good thing I
did, because from the ~40 tests the 3 with bufferSamplers didn't
actually work on my newest r600 patch version in a test run :-).
Roland
Am 03.01.2018 um 23:08 schrieb Fabian Bieler:
> I think the new tes-texture-size test should be added to all.py (in
> multiple places).
>
> Other than that, series is
> Reviewed-by: Fabian Bieler <fabianbieler at fastmail.fm>
>
> On 2018-01-01 06:41, sroland at vmware.com wrote:
>> From: Roland Scheidegger <sroland at vmware.com>
>>
>> This is a problem of all texturing tests, they cannot exercise the tesselation
>> stages. (But I'm too lazy to fix the others, and too lazy to hack something up
>> for tcs stage, I only need it to verify a bug/fix with r600 buffer textures.)
>> ---
>> tests/texturing/shaders/common.c | 3 ++
>> tests/texturing/shaders/common.h | 3 +-
>> tests/texturing/shaders/textureSize.c | 76 ++++++++++++++++++++++++++++++++---
>> 3 files changed, 75 insertions(+), 7 deletions(-)
>>
>> diff --git a/tests/texturing/shaders/common.c b/tests/texturing/shaders/common.c
>> index b377bbcae..bda149971 100644
>> --- a/tests/texturing/shaders/common.c
>> +++ b/tests/texturing/shaders/common.c
>> @@ -378,6 +378,9 @@ require_GL_features(enum shader_target test_stage)
>> glGetIntegerv(GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS, &tex_units);
>> if (test_stage == VS && tex_units <= 0)
>> piglit_report_result(PIGLIT_SKIP);
>> +
>> + if (test_stage == TES)
>> + piglit_require_extension("GL_ARB_tessellation_shader");
>> }
>>
>> /**
>> diff --git a/tests/texturing/shaders/common.h b/tests/texturing/shaders/common.h
>> index 49f38e8b5..3edc68bff 100644
>> --- a/tests/texturing/shaders/common.h
>> +++ b/tests/texturing/shaders/common.h
>> @@ -91,7 +91,8 @@ enum shader_target {
>> UNKNOWN,
>> VS,
>> FS,
>> - GS
>> + GS,
>> + TES,
>> };
>>
>> float max2(float x, float y);
>> diff --git a/tests/texturing/shaders/textureSize.c b/tests/texturing/shaders/textureSize.c
>> index 2693633fb..3035e0505 100644
>> --- a/tests/texturing/shaders/textureSize.c
>> +++ b/tests/texturing/shaders/textureSize.c
>> @@ -60,7 +60,7 @@ PIGLIT_GL_TEST_CONFIG_BEGIN
>> piglit_gl_process_args(&argc, argv, &config);
>>
>> parse_args(argc, argv);
>> - if (test_stage == GS) {
>> + if (test_stage == GS || test_stage == TES) {
>> config.supports_gl_compat_version = 32;
>> config.supports_gl_core_version = 32;
>> } else {
>> @@ -154,7 +154,7 @@ piglit_display()
>>
>> glUniform1i(lod_location, l);
>> glViewport(x, 10, 10, 10);
>> - glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
>> + glDrawArrays(test_stage == TES ? GL_PATCHES : GL_TRIANGLE_FAN, 0, 4);
>>
>> pass &= piglit_probe_rect_rgba(x, 10, 10, 10, expected_color);
>> }
>> @@ -248,12 +248,14 @@ has_lod(void)
>> int
>> generate_GLSL(enum shader_target test_stage)
>> {
>> - int vs, gs = 0, fs;
>> + int vs, gs = 0, tes = 0, tcs = 0, fs;
>> int prog;
>>
>> static char *vs_code;
>> static char *gs_code = NULL;
>> static char *fs_code;
>> + static char *tes_code = NULL;
>> + static char *tcs_code = NULL;
>> char *lod_arg;
>> static const char *zeroes[3] = { "", "0, ", "0, 0, " };
>>
>> @@ -357,6 +359,55 @@ generate_GLSL(enum shader_target test_stage)
>> shader_version, extension, sampler.name, size, lod_arg,
>> zeroes[3 - size]);
>> break;
>> + case TES:
>> + (void)!asprintf(&vs_code,
>> + "#version %d\n"
>> + "in vec4 vertex;\n"
>> + "void main()\n"
>> + "{\n"
>> + " gl_Position = vertex;\n"
>> + "}\n",
>> + shader_version);
>> + (void)!asprintf(&tes_code,
>> + "#version %d\n%s"
>> + "#extension GL_ARB_tessellation_shader: require\n"
>> + "#define ivec1 int\n"
>> + "uniform int lod;\n"
>> + "uniform %s tex;\n"
>> + "layout(quads) in;\n"
>> + "flat out ivec%d size;\n"
>> + "void main()\n"
>> + "{\n"
>> + " gl_Position = vec4(gl_TessCoord.x * 2 - 1, gl_TessCoord.y * 2 - 1, 0, 1);\n"
>> + " size = textureSize(tex%s);\n"
>> + "}\n",
>> + shader_version, extension, sampler.name, size, lod_arg);
>> + (void)!asprintf(&tcs_code,
>> + "#version %d\n"
>> + "#extension GL_ARB_tessellation_shader: require\n"
>> + "layout(vertices = 4) out;\n"
>> + "void main()\n"
>> + "{\n"
>> + " gl_TessLevelInner[0] = 1.0;\n"
>> + " gl_TessLevelInner[1] = 1.0;\n"
>> + " gl_TessLevelOuter[0] = 1.0;\n"
>> + " gl_TessLevelOuter[1] = 1.0;\n"
>> + " gl_TessLevelOuter[2] = 1.0;\n"
>> + " gl_TessLevelOuter[3] = 1.0;\n"
>> + "}\n",
>> + shader_version);
>> + (void)!asprintf(&fs_code,
>> + "#version %d\n"
>> + "#define ivec1 int\n"
>> + "#define vec1 float\n"
>> + "flat in ivec%d size;\n"
>> + "out vec4 fragColor;\n"
>> + "void main()\n"
>> + "{\n"
>> + " fragColor = vec4(0.01 * size,%s 1);\n"
>> + "}\n",
>> + shader_version, size, zeroes[3 - size]);
>> + break;
>> default:
>> assert(!"Should not get here.");
>> break;
>> @@ -366,9 +417,15 @@ generate_GLSL(enum shader_target test_stage)
>> if (gs_code) {
>> gs = piglit_compile_shader_text(GL_GEOMETRY_SHADER, gs_code);
>> }
>> + if (tes_code) {
>> + tes = piglit_compile_shader_text(GL_TESS_EVALUATION_SHADER, tes_code);
>> + }
>> + if (tcs_code) {
>> + tcs = piglit_compile_shader_text(GL_TESS_CONTROL_SHADER, tcs_code);
>> + }
>> fs = piglit_compile_shader_text(GL_FRAGMENT_SHADER, fs_code);
>>
>> - if (!vs || (gs_code && !gs) || !fs)
>> + if (!vs || (gs_code && !gs) || (tes_code && !tes) || !fs)
>> return 0;
>>
>> prog = glCreateProgram();
>> @@ -376,6 +433,10 @@ generate_GLSL(enum shader_target test_stage)
>> if (gs_code)
>> glAttachShader(prog, gs);
>> glAttachShader(prog, fs);
>> + if (tes_code)
>> + glAttachShader(prog, tes);
>> + if (tcs_code)
>> + glAttachShader(prog, tcs);
>> glLinkProgram(prog);
>> if (!piglit_link_check_status(prog))
>> piglit_report_result(PIGLIT_FAIL);
>> @@ -386,7 +447,7 @@ generate_GLSL(enum shader_target test_stage)
>> void
>> fail_and_show_usage()
>> {
>> - printf("Usage: textureSize [140] <vs|gs|fs> <sampler type> [piglit args...]\n");
>> + printf("Usage: textureSize [140] <vs|gs|fs|tes> <sampler type> [piglit args...]\n");
>> piglit_report_result(PIGLIT_SKIP);
>> }
>>
>> @@ -409,6 +470,9 @@ parse_args(int argc, char **argv)
>> } else if (strcmp(argv[i], "fs") == 0) {
>> test_stage = FS;
>> continue;
>> + } else if (strcmp(argv[i], "tes") == 0) {
>> + test_stage = TES;
>> + continue;
>> }
>> }
>>
>> @@ -427,7 +491,7 @@ parse_args(int argc, char **argv)
>> if (test_stage == UNKNOWN || !sampler_found)
>> fail_and_show_usage();
>>
>> - if (test_stage == GS && shader_version < 150)
>> + if ((test_stage == GS || test_stage == TES) && shader_version < 150)
>> shader_version = 150;
>> }
>>
>>
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