[Piglit] [PATCH v5 1/6] program_interface_query: add tests for querying the resources
Tapani Pälli
tapani.palli at intel.com
Thu Apr 2 00:11:49 PDT 2015
Reviewed-by: Tapani Pälli <tapani.palli at intel.com>
On 04/01/2015 01:56 PM, Martin Peres wrote:
> This tests primarily glGetProgramInterfaceiv in various (potentially
> tricky) program pipelines. All the calls are supposed to succeed as
> this test is purely functional.
>
> This test requires a OpenGL 3.2 core context but also has optional
> subtests that depend on the following extensions:
> - GL_ARB_shader_atomic_counters
> - GL_ARB_shader_storage_buffer_object
> - GL_ARB_shader_subroutine
> - GL_ARB_tessellation_shader
> - GL_ARB_compute_shader
> - GL_ARB_shader_image_load_store
>
> Tested on NVIDIA's proprietary driver version 346.35.
>
> v2: Martin Peres
> - Fix the cs subtest to test PROGRAM_INPUT and not two times the OUTPUT
>
> v3: Review from Tapani
> - require GL_ARB_separate_shader_objects
> - cosmetic changes
> - add a comment in common.h to warn about the existence of strings in
> resource-query.c
>
> v4: Martin Peres
> - add a second subroutine in vs_sub
>
> v5: Martin Peres
> - introduce a patch output in the TCS outputs
>
> Signed-off-by: Martin Peres <martin.peres at linux.intel.com>
> ---
> tests/all.py | 1 +
> .../arb_program_interface_query/CMakeLists.gl.txt | 1 +
> tests/spec/arb_program_interface_query/common.h | 278 ++++++++
> .../arb_program_interface_query/resource-query.c | 741 +++++++++++++++++++++
> 4 files changed, 1021 insertions(+)
> mode change 100644 => 100755 tests/all.py
> mode change 100644 => 100755 tests/spec/arb_program_interface_query/CMakeLists.gl.txt
> create mode 100755 tests/spec/arb_program_interface_query/common.h
> create mode 100755 tests/spec/arb_program_interface_query/resource-query.c
>
> diff --git a/tests/all.py b/tests/all.py
> old mode 100644
> new mode 100755
> index b2266db..f47e198
> --- a/tests/all.py
> +++ b/tests/all.py
> @@ -2274,6 +2274,7 @@ with profile.group_manager(
> grouptools.join('spec', 'ARB_program_interface_query')) as g:
> g(['arb_program_interface_query-resource-location'], run_concurrent=False)
> g(['arb_program_interface_query-resource-index'], run_concurrent=False)
> + g(['arb_program_interface_query-resource-query'], run_concurrent=False)
>
> # Group ARB_explicit_uniform_location
> with profile.group_manager(
> diff --git a/tests/spec/arb_program_interface_query/CMakeLists.gl.txt b/tests/spec/arb_program_interface_query/CMakeLists.gl.txt
> old mode 100644
> new mode 100755
> index 2028553..9535798
> --- a/tests/spec/arb_program_interface_query/CMakeLists.gl.txt
> +++ b/tests/spec/arb_program_interface_query/CMakeLists.gl.txt
> @@ -11,3 +11,4 @@ link_libraries (
>
> piglit_add_executable (arb_program_interface_query-resource-location resource-location.c)
> piglit_add_executable (arb_program_interface_query-resource-index resource-index.c)
> +piglit_add_executable (arb_program_interface_query-resource-query resource-query.c)
> diff --git a/tests/spec/arb_program_interface_query/common.h b/tests/spec/arb_program_interface_query/common.h
> new file mode 100755
> index 0000000..8c6965c
> --- /dev/null
> +++ b/tests/spec/arb_program_interface_query/common.h
> @@ -0,0 +1,278 @@
> +/*
> + * Copyright © 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.
> + */
> +
> +#pragma once
> +#ifndef __COMMON_H__
> +#define __COMMON_H__
> +
> +
> +/* /!\ /!\ /!\ /!\ /!\ /!\ /!\ /!\ /!\ /!\ /!\ /!\ /!\ /!\ /!\ /!\ /!\ /!\ /!\
> + * If you modify any of these shaders, you need to modify the resources names in
> + * resource-query.c.
> + * /!\ /!\ /!\ /!\ /!\ /!\ /!\ /!\ /!\ /!\ /!\ /!\ /!\ /!\ /!\ /!\ /!\ /!\ /!\
> + */
> +
> +static const char vs_empty[] =
> + "#version 150\n"
> + "void main() {\n"
> + "}";
> +
> +static const char fs_empty[] =
> + "#version 150\n"
> + "void main() {\n"
> + "}";
> +
> +static const char vs_array[] =
> + "#version 150\n"
> + "in vec4 vs_input[2];\n"
> + "struct vs_struct {\n"
> + " vec4 hello;\n"
> + " vec4 world[2];\n"
> + "};\n"
> + "uniform vs_struct sa[2];\n"
> + "void main() {\n"
> + " gl_Position = vs_input[0] + sa[0].hello + sa[0].world[0];\n"
> + "}";
> +
> +static const char vs_aofa[] =
> + "#version 150\n"
> + "#extension GL_ARB_arrays_of_arrays : require\n"
> + "in vec4 vs_input2[2][2];\n"
> + "in vec4 vs_input3[2][2][2];\n"
> + "void main() {\n"
> + " gl_Position = vs_input2[0][0] + vs_input3[0][0][0];\n"
> + "}";
> +
> +static const char vs_std[] =
> + "#version 150\n"
> + "struct vs_struct {\n"
> + " vec4 a[2];\n"
> + "};\n"
> + "uniform vs_uniform_block {\n"
> + " vec4 vs_test;\n"
> + "};\n"
> + "uniform vs_struct sa[2];\n"
> + "in vec4 vs_input0;\n"
> + "in vec4 vs_input1;\n"
> + "void main() {\n"
> + " gl_Position = vs_input0 * vs_test * vs_input1 + sa[0].a[1] +"
> + " sa[1].a[1];\n"
> + "}";
> +
> +const char gs_std[] =
> + "#version 150\n"
> + "layout(triangles) in;\n"
> + "layout(triangle_strip, max_vertices = 6) out;\n"
> + "uniform gs_uniform_block {\n"
> + " vec4 gs_test;\n"
> + "};\n"
> + "in vec4 gs_input[3];\n"
> + "out vec4 gs_output0;\n"
> + "void main() {\n"
> + " for (int i = 0; i < 6; i++) {\n"
> + " gl_Position = gs_input[i % 3] *"
> + " gl_in[i % 3].gl_Position * gs_test;\n"
> + " gs_output0 = gs_input[0];\n"
> + " EmitVertex();\n"
> + " }\n"
> + "}\n";
> +
> +static const char fs_std[] =
> + "#version 150\n"
> + "uniform fs_uniform_block {"
> + " vec4 fs_color;\n"
> + " float fs_array[4];\n"
> + "};"
> + "in vec4 fs_input1;\n"
> + "out vec4 fs_output0;\n"
> + "out vec4 fs_output1;\n"
> + "void main() {\n"
> + "fs_output0 = fs_color * fs_input1 * fs_array[2];\n"
> + "fs_output1 = fs_color * fs_input1 * fs_array[3];\n"
> + "}";
> +
> +static const char vs_stor[] =
> + "#version 150\n"
> + "#extension GL_ARB_shader_storage_buffer_object : require\n"
> + "buffer vs_buffer_block { vec4 vs_buf_var; };"
> + "out vec4 vs_output1;\n"
> + "void main() {\n"
> + "vs_output1 = vs_buf_var;\n"
> + "}";
> +
> +static const char gs_stor[] =
> + "#version 150\n"
> + "#extension GL_ARB_shader_storage_buffer_object : require\n"
> + "layout(triangles) in;\n"
> + "layout(triangle_strip, max_vertices = 6) out;\n"
> + "buffer gs_buffer_block { vec4 gs_buf_var; };"
> + "in vec4 vs_output1[3];\n"
> + "void main() {\n"
> + " for (int i = 0; i < 6; i++) {\n"
> + " gl_Position = vs_output1[i % 3] * gs_buf_var;\n"
> + " EmitVertex();\n"
> + " }\n"
> + "}";
> +
> +static const char fs_stor[] =
> + "#version 150\n"
> + "#extension GL_ARB_shader_storage_buffer_object : require\n"
> + "buffer fs_buffer_block { vec4 fs_buf_var; };\n"
> + "out vec4 fs_output0;\n"
> + "void main() {\n"
> + " fs_output0 = fs_buf_var;\n"
> + "}";
> +
> +static const char vs_atom[] =
> + "#version 150\n"
> + "#extension GL_ARB_shader_atomic_counters : require\n"
> + "layout (binding=0) uniform atomic_uint vs_counter;\n"
> + "void main() {\n"
> + " atomicCounterIncrement(vs_counter);\n"
> + "}";
> +
> +static const char gs_atom[] =
> + "#version 150\n"
> + "#extension GL_ARB_shader_atomic_counters : require\n"
> + "layout(triangles) in;\n"
> + "layout(triangle_strip, max_vertices = 6) out;\n"
> + "layout (binding=1) uniform atomic_uint gs_counter;\n"
> + "void main() {\n"
> + " atomicCounterIncrement(gs_counter);\n"
> + "}";
> +
> +static const char fs_atom[] =
> + "#version 150\n"
> + "#extension GL_ARB_shader_atomic_counters : require\n"
> + "layout (binding=2) uniform atomic_uint fs_counter;\n"
> + "void main() {\n"
> + " atomicCounterIncrement(fs_counter);\n"
> + "}";
> +
> +static const char vs_tfv[] =
> + "#version 150\n"
> + "in vec4 vs_input0;\n"
> + "out vec4 vs_output1;\n"
> + "out vec4 outValue;\n"
> + "void main() {\n"
> + " vs_output1 = vs_input0;\n"
> + " outValue = vs_input0;\n"
> + "}";
> +
> +static const char vs_sub[] =
> + "#version 150\n"
> + "#extension GL_ARB_shader_subroutine : require\n"
> + "in vec4 vs_input0;\n"
> + "subroutine vec4 vs_offset();\n"
> + "subroutine uniform vs_offset VERTEX;\n"
> + "subroutine (vs_offset) vec4 vss() { return vec4(1, 0, 0, 0); }\n"
> + "subroutine (vs_offset) vec4 vss2() { return vec4(1, 0, 0, 0); }\n"
> + "void main() {\n"
> + " gl_Position = vs_input0 + VERTEX();\n"
> + "}";
> +
> +static const char gs_sub[] =
> + "#version 150\n"
> + "#extension GL_ARB_shader_subroutine : require\n"
> + "layout(triangles) in;\n"
> + "layout(triangle_strip, max_vertices = 6) out;\n"
> + "subroutine vec4 gs_offset();\n"
> + "subroutine uniform gs_offset GEOMETRY;\n"
> + "subroutine (gs_offset) vec4 gss() { return vec4(1, 0, 0, 0); }\n"
> + "in vec4 vs_output1[3];\n"
> + "void main() {\n"
> + " for (int i = 0; i < 6; i++) {\n"
> + " gl_Position = vs_output1[i % 3] + GEOMETRY();\n"
> + " EmitVertex();\n"
> + " }\n"
> + "}";
> +
> +static const char fs_sub[] =
> + "#version 150\n"
> + "#extension GL_ARB_shader_subroutine : require\n"
> + "subroutine vec4 fs_offset();\n"
> + "subroutine uniform fs_offset FRAGMENT;\n"
> + "subroutine (fs_offset) vec4 fss() { return vec4(1, 0, 0, 1); }\n"
> + "out vec4 fs_output0;\n"
> + "void main() {\n"
> + " fs_output0 = FRAGMENT();\n"
> + "}";
> +
> +static const char tcs_sub[] =
> + "#version 150\n"
> + "#extension GL_ARB_shader_subroutine : require\n"
> + "#extension GL_ARB_tessellation_shader : require\n"
> + "layout(vertices = 3) out;\n"
> + "uniform tcs_uniform_block {\n"
> + " vec4 tcs_test;\n"
> + "};\n"
> + "out vec4 tcs_output[gl_MaxPatchVertices];\n"
> + "in vec4 tcs_input[gl_MaxPatchVertices];\n"
> + "patch out vec4 tcs_patch;\n"
> + "subroutine vec4 tcs_offset();\n"
> + "subroutine uniform tcs_offset TESS_CONTROL;\n"
> + "subroutine (tcs_offset) vec4 tcss() { return vec4(1, 0, 0, 0); }\n"
> + "void main() {\n"
> + " gl_out[gl_InvocationID].gl_Position = tcs_test +"
> + " gl_in[0].gl_Position *"
> + " TESS_CONTROL();\n"
> + " tcs_output[gl_InvocationID] = tcs_input[0] + TESS_CONTROL();\n"
> + "}";
> +
> +static const char tes_sub[] =
> + "#version 150\n"
> + "#extension GL_ARB_shader_subroutine : require\n"
> + "#extension GL_ARB_tessellation_shader : require\n"
> + "layout(triangles) in;\n"
> + "uniform tes_uniform_block {\n"
> + " vec4 tes_test;\n"
> + "};\n"
> + "out vec4 tes_output[1];\n"
> + "in vec4 tes_input[gl_MaxPatchVertices];\n"
> + "subroutine vec4 tes_offset();\n"
> + "subroutine uniform tes_offset TESS_EVALUATION;\n"
> + "subroutine (tes_offset) vec4 tess() { return vec4(1, 0, 0, 0); }\n"
> + "void main() {\n"
> + " gl_Position = tes_test + gl_in[0].gl_Position +"
> + " TESS_EVALUATION();\n"
> + " tes_output[0] = tes_input[0] + TESS_EVALUATION();\n"
> + "}";
> +
> +static const char cs_sub[] =
> + "#version 150\n"
> + "#extension GL_ARB_shader_subroutine : require\n"
> + "#extension GL_ARB_shader_image_load_store : require\n"
> + "#extension GL_ARB_compute_shader : require\n"
> + "layout(local_size_x = 4) in;\n"
> + "uniform cs_uniform_block {\n"
> + " uniform vec4 cs_test;\n"
> + "};\n"
> + "layout(size4x32) uniform image2D tex;\n"
> + "subroutine vec4 com_offset();\n"
> + "subroutine uniform com_offset COMPUTE;\n"
> + "subroutine (com_offset) vec4 css() { return vec4(1, 0, 0, 0); }\n"
> + "void main() {\n"
> + " imageStore(tex, ivec2(0.0), cs_test + COMPUTE());\n"
> + "}";
> +
> +#endif
> diff --git a/tests/spec/arb_program_interface_query/resource-query.c b/tests/spec/arb_program_interface_query/resource-query.c
> new file mode 100755
> index 0000000..92b8cd8
> --- /dev/null
> +++ b/tests/spec/arb_program_interface_query/resource-query.c
> @@ -0,0 +1,741 @@
> +/*
> + * Copyright © 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.
> + */
> +
> +/**
> + * \file resource-query.c
> + *
> + * Tests querying resources.
> + *
> + * From the GL_ARB_program_interface_query spec:
> + * "The command
> + *
> + * void GetProgramInterfaceiv(uint program, enum programInterface,
> + * enum pname, int *params);
> + *
> + * queries a property of the interface <programInterface> in program
> + * <program>, returning its value in <params>. The property to return is
> + * specified by <pname>.
> + *
> + * If <pname> is ACTIVE_RESOURCES, the value returned is the number of
> + * resources in the active resource list for <programInterface>. If the
> + * list of active resources for <programInterface> is empty, zero is
> + * returned.
> + *
> + * If <pname> is MAX_NAME_LENGTH, the value returned is the length of the
> + * longest active name string for an active resource in <programInterface>.
> + * This length includes an extra character for the null terminator. If
> + * the list of active resources for <programInterface> is empty, zero is
> + * returned. The error INVALID_OPERATION is generated if
> + * <programInterface> is ATOMIC_COUNTER_BUFFER, since active atomic counter
> + * buffer resources are not assigned name strings.
> + *
> + * If <pname> is MAX_NUM_ACTIVE_VARIABLES, the value returned is the number
> + * of active variables belonging to the interface block or atomic counter
> + * buffer resource in <programInterface> with the most active variables.
> + * If the list of active resources for <programInterface> is empty, zero is
> + * returned. The error INVALID_OPERATION is generated if
> + * <programInterface> is not UNIFORM_BLOCK, ATOMIC_COUNTER_BUFFER, or
> + * SHADER_STORAGE_BLOCK.
> + *
> + * If <pname> is MAX_NUM_COMPATIBLE_SUBROUTINES, the value returned is the
> + * number of compatible subroutines belonging to the active subroutine
> + * uniform in <programInterface> with the most compatible subroutines. If
> + * the list of active resources for <programInterface> is empty, zero is
> + * returned. The error INVALID_OPERATION is generated unless
> + * <programInterface> is VERTEX_SUBROUTINE_UNIFORM,
> + * TESS_CONTROL_SUBROUTINE_UNIFORM, TESS_EVALUATION_SUBROUTINE_UNIFORM,
> + * GEOMETRY_SUBROUTINE_UNIFORM, FRAGMENT_SUBROUTINE_UNIFORM, or
> + * COMPUTE_SUBROUTINE_UNIFORM.
> + *
> + * The command
> + *
> + * uint GetProgramResourceIndex(uint program, enum programInterface,
> + * const char *name);
> + *
> + * returns the unsigned integer index assigned to a resource named <name>
> + * in the interface type <programInterface> of program object <program>.
> + * The error INVALID_ENUM is generated if <programInterface> is
> + * ATOMIC_COUNTER_BUFFER, since active atomic counter buffer resources are
> + * not assigned name strings.
> + *
> + * If <name> exactly matches the name string of one of the active resources
> + * for <programInterface>, the index of the matched resource is returned.
> + * Additionally, if <name> would exactly match the name string of an active
> + * resource if "[0]" were appended to <name>, the index of the matched
> + * resource is returned. Otherwise, <name> is considered not to be the
> + * name of an active resource, and INVALID_INDEX is returned. Note that if
> + * an interface enumerates a single active resource list entry for an array
> + * variable (e.g., "a[0]"), a <name> identifying any array element other
> + * than the first (e.g., "a[1]") is not considered to match.
> + *
> + * For the interface TRANSFORM_FEEDBACK_VARYING, the value INVALID_INDEX
> + * should be returned when querying the index assigned to the special names
> + * "gl_NextBuffer", "gl_SkipComponents1", "gl_SkipComponents2",
> + * "gl_SkipComponents3", and "gl_SkipComponents4".
> + *
> + * The command
> + *
> + * void GetProgramResourceName(uint program, enum programInterface,
> + * uint index, sizei bufSize, sizei *length,
> + * char *name);
> + *
> + * returns the name string assigned to the single active resource with an
> + * index of <index> in the interface <programInterface> of program object
> + * <program>. The error INVALID_VALUE is generated if <index> is greater
> + * than or equal to the number of entries in the active resource list for
> + * <programInterface>. The error INVALID_ENUM is generated if
> + * <programInterface> is ATOMIC_COUNTER_BUFFER, since active atomic counter
> + * buffer resources are not assigned name strings.
> + *
> + * The name string assigned to the active resource identified by <index> is
> + * returned as a null-terminated string in <name>. The actual number of
> + * characters written into <name>, excluding the null terminator, is
> + * returned in <length>. If <length> is NULL, no length is returned. The
> + * maximum number of characters that may be written into <name>, including
> + * the null terminator, is specified by <bufSize>. If the length of the
> + * name string (including the null terminator) is greater than <bufSize>,
> + * the first <bufSize>-1 characters of the name string will be written to
> + * <name>, followed by a null terminator. If <bufSize> is zero, no error
> + * will be generated but no characters will be written to <name>. The
> + * length of the longest name string for <programInterface>, including a
> + * null terminator, can be queried by calling GetProgramInterfaceiv with a
> + * <pname> of MAX_NAME_LENGTH.
> + */
> +
> +#include "piglit-util-gl.h"
> +#include "common.h"
> +
> +PIGLIT_GL_TEST_CONFIG_BEGIN
> +
> + config.supports_gl_core_version = 32;
> +
> +PIGLIT_GL_TEST_CONFIG_END
> +
> +/* Naming conventions, from the GL_ARB_program_interface_query extension:
> + *
> + * "When building a list of active variable or interface blocks, resources
> + * with aggregate types (such as arrays or structures) may produce multiple
> + * entries in the active resource list for the corresponding interface.
> + * Additionally, each active variable, interface block, or subroutine in the
> + * list is assigned an associated name string that can be used by
> + * applications to refer to the resources. For interfaces involving
> + * variables, interface blocks, or subroutines, the entries of active
> + * resource lists are generated as follows:
> + *
> + * * For an active variable declared as a single instance of a basic type,
> + * a single entry will be generated, using the variable name from the
> + * shader source.
> + *
> + * * For an active variable declared as an array of basic types, a single
> + * entry will be generated, with its name string formed by concatenating
> + * the name of the array and the string "[0]".
> + *
> + * * For an active variable declared as a structure, a separate entry will
> + * be generated for each active structure member. The name of each entry
> + * is formed by concatenating the name of the structure, the "."
> + * character, and the name of the structure member. If a structure
> + * member to enumerate is itself a structure or array, these enumeration
> + * rules are applied recursively.
> + *
> + * * For an active variable declared as an array of an aggregate data type
> + * (structures or arrays), a separate entry will be generated for each
> + * active array element, unless noted immediately below. The name of
> + * each entry is formed by concatenating the name of the array, the "["
> + * character, an integer identifying the element number, and the "]"
> + * character. These enumeration rules are applied recursively, treating
> + * each enumerated array element as a separate active variable.
> + *
> + * * For an active shader storage block member declared as an array, an
> + * entry will be generated only for the first array element, regardless
> + * of its type. For arrays of aggregate types, the enumeration rules are
> + * applied recursively for the single enumerated array element.
> + *
> + * * For an active interface block not declared as an array of block
> + * instances, a single entry will be generated, using the block name from
> + * the shader source.
> + *
> + * * For an active interface block declared as an array of instances,
> + * separate entries will be generated for each active instance. The name
> + * of the instance is formed by concatenating the block name, the "["
> + * character, an integer identifying the instance number, and the "]"
> + * character.
> + *
> + * * For an active subroutine, a single entry will be generated, using the
> + * subroutine name from the shader source.
> + *
> + * When an integer array element or block instance number is part of the name
> + * string, it will be specified in decimal form without a "+" or "-" sign or
> + * any extra leading zeroes. Additionally, the name string will not include
> + * white space anywhere in the string.
> + */
> +static const char *st_r_uniform[] = {"vs_test", "gs_test", "fs_color",
> + "fs_array[0]", "sa[0].a[0]", "sa[1].a[0]",
> + NULL};
> +static const char *st_r_tess_uniform[] = {"tcs_test", "tes_test", NULL};
> +static const char *st_r_cs_uniform[] = {"cs_test", "tex", NULL};
> +static const char *st_r_uniform_block[] = {"vs_uniform_block",
> + "gs_uniform_block",
> + "fs_uniform_block", NULL};
> +static const char *st_r_tess_uniform_block[] = {"tcs_uniform_block",
> + "tes_uniform_block", NULL};
> +static const char *st_r_cs_uniform_block[] = {"cs_uniform_block", NULL};
> +static const char *st_r_in_vs[] = {"vs_input0", "vs_input1", NULL};
> +static const char *st_r_in_gs[] = {"gs_input", "gl_Position", NULL};
> +static const char *st_r_in_fs[] = {"fs_input1", NULL};
> +static const char *st_r_in_tes[] = {"tes_input", "gl_Position", NULL};
> +static const char *st_r_in_tcs[] = {"tcs_input", "gl_Position", NULL};
> +static const char *st_r_out_vs[] = {"gl_Position", NULL};
> +static const char *st_r_out_gs[] = {"gs_output0", "gl_Position", NULL};
> +static const char *st_r_out_fs[] = {"fs_output0", "fs_output1", NULL};
> +static const char *st_r_out_tes[] = {"tes_output[0]", "gl_Position", NULL};
> +static const char *st_r_out_tcs[] = {"tcs_output", "tcs_patch", "gl_Position",
> + "gl_BackColor", "gl_BackSecondaryColor",
> + "gl_ClipDistance[0]", "gl_CullDistance[0]",
> + "gl_FogFragCoord", "gl_FrontColor",
> + "gl_FrontSecondaryColor", "gl_Layer",
> + "gl_PointSize", "gl_TexCoord[0]",
> + "gl_ViewportIndex", "gl_ViewportMask[0]",
> + NULL};
> +static const char *st_r_buffer[] = {"vs_buf_var", "gs_buf_var", "fs_buf_var",
> + NULL};
> +static const char *st_r_stor_block[] = {"vs_buffer_block", "gs_buffer_block",
> + "fs_buffer_block", NULL};
> +static const char *st_r_tf_varying[] = {"gl_Position", "gs_output0", NULL};
> +static const char *st_r_vs_sub[] = {"vss", "vss2", NULL};
> +static const char *st_r_gs_sub[] = {"gss", NULL};
> +static const char *st_r_fs_sub[] = {"fss", NULL};
> +static const char *st_r_cs_sub[] = {"css", NULL};
> +static const char *st_r_tcs_sub[] = {"tcss", NULL};
> +static const char *st_r_tes_sub[] = {"tess", NULL};
> +static const char *st_r_vs_sub_uni[] = {"VERTEX", NULL};
> +static const char *st_r_gs_sub_uni[] = {"GEOMETRY", NULL};
> +static const char *st_r_fs_sub_uni[] = {"FRAGMENT", NULL};
> +static const char *st_r_cs_sub_uni[] = {"COMPUTE", NULL};
> +static const char *st_r_tcs_sub_uni[] = {"TESS_CONTROL", NULL};
> +static const char *st_r_tes_sub_uni[] = {"TESS_EVALUATION", NULL};
> +
> +/* From the GL_ARB_program_interface_query extension:
> + *
> + * "The GL provides a number of commands to query properties of the interfaces
> + * of a program object. Each such command accepts a <programInterface>
> + * token, identifying a specific interface. The supported values for
> + * <programInterface> are as follows:
> + * * UNIFORM corresponds to the set of active uniform variables (section
> + * 2.14.7) used by <program>.
> + *
> + * * UNIFORM_BLOCK corresponds to the set of active uniform blocks (section
> + * 2.14.7) used by <program>.
> + *
> + * * ATOMIC_COUNTER_BUFFER corresponds to the set of active atomic counter
> + * buffer binding points (section 2.14.7) used by <program>.
> +
> + * * PROGRAM_INPUT corresponds to the set of active input variables used by
> + * the first shader stage of <program>. If <program> includes multiple
> + * shader stages, input variables from any shader stage other than the
> + * first will not be enumerated.
> + *
> + * * PROGRAM_OUTPUT corresponds to the set of active output variables
> + * (section 2.14.11) used by the last shader stage of <program>. If
> + * <program> includes multiple shader stages, output variables from any
> + * shader stage other than the last will not be enumerated.
> + *
> + * * VERTEX_SUBROUTINE, TESS_CONTROL_SUBROUTINE,
> + * TESS_EVALUATION_SUBROUTINE, GEOMETRY_SUBROUTINE, FRAGMENT_SUBROUTINE,
> + * and COMPUTE_SUBROUTINE correspond to the set of active subroutines for
> + * the vertex, tessellation control, tessellation evaluation, geometry,
> + * fragment, and compute shader stages of <program>, respectively
> + * (section 2.14.8).
> + *
> + * * VERTEX_SUBROUTINE_UNIFORM, TESS_CONTROL_SUBROUTINE_UNIFORM,
> + * TESS_EVALUATION_SUBROUTINE_UNIFORM, GEOMETRY_SUBROUTINE_UNIFORM,
> + * FRAGMENT_SUBROUTINE_UNIFORM, and COMPUTE_SUBROUTINE_UNIFORM correspond
> + * to the set of active subroutine uniform variables used by the vertex,
> + * tessellation control, tessellation evaluation, geometry, fragment, and
> + * compute shader stages of <program>, respectively (section 2.14.8).
> + *
> + * * TRANSFORM_FEEDBACK_VARYING corresponds to the set of output variables
> + * in the last non-fragment stage of <program> that would be captured
> + * when transform feedback is active (section 2.20.2).
> + *
> + * * BUFFER_VARIABLE corresponds to the set of active buffer variables (see
> + * the ARB_shader_storage_buffer_object extension) used by <program>.
> + *
> + * * SHADER_STORAGE_BLOCK corresponds to the set of active shader storage
> + * blocks (see the ARB_shader_storage_buffer_object extension) used by
> + * <program>."
> + *
> + * Additionally, from the GL_ARB_program_interface_query extension:
> + *
> + * "For the ATOMIC_COUNTER_BUFFER interface, the list of active buffer binding
> + * points is built by identifying each unique binding point associated with
> + * one or more active atomic counter uniform variables. Active atomic
> + * counter buffers do not have an associated name string.
> + *
> + * For the UNIFORM, PROGRAM_INPUT, PROGRAM_OUTPUT, and
> + * TRANSFORM_FEEDBACK_VARYING interfaces, the active resource list will
> + * include all active variables for the interface, including any active
> + * built-in variables.
> + *
> + * For PROGRAM_INPUT and PROGRAM_OUTPUT interfaces for shaders that recieve
> + * or produce patch primitves, the active resource list will include both
> + * per-vertex and per-patch inputs and outputs.
> + *
> + * For the TRANSFORM_FEEDBACK_VARYING interface, the active resource list
> + * will entries for the special varying names gl_NextBuffer,
> + * gl_SkipComponents1, gl_SkipComponents2, gl_SkipComponents3, and
> + * gl_SkipComponents4 (section 2.14.11). These variables are used to control
> + * how varying values are written to transform feedback buffers. When
> + * enumerating the properties of such resources, these variables are
> + * considered to have a TYPE of NONE and an ARRAY_SIZE of 0 (gl_NextBuffer),
> + * 1, 2, 3, and 4, respectively."
> + */
> +
> +struct subtest_t {
> + GLenum programInterface;
> +
> + const char *programInterface_str;
> + const char *active_resources_str;
> + const char *max_length_name_str;
> + const char *max_num_active_str;
> + const char *max_num_compat_sub_str;
> +
> + /* set to -1 to disable the test */
> + int active_resources;
> + int max_length_name;
> + int max_num_active;
> + int max_num_compat_sub;
> +
> + const char *vs_text;
> + const char *gs_text;
> + const char *fs_text;
> + const char *tcs_text;
> + const char *tes_text;
> + const char *cs_text;
> +
> + const char **resources;
> +};
> +
> +#define ST(active_r, max_len, max_num_active, max_num_compat_sub, vs, tcs, \
> + tes, gs, fs, cs, name, suffix, resources) { \
> + (name), #name suffix, #name suffix " active resources", \
> + #name suffix " max length name", \
> + #name suffix " max num active", \
> + #name suffix " max num compat sub", \
> + (active_r), (max_len), (max_num_active), (max_num_compat_sub), \
> + (vs), (gs), (fs), (tcs), (tes), (cs), (resources) \
> +}
> +
> +static const struct subtest_t subtests[] = {
> + ST( 6, 12, -1, -1, vs_std, NULL, NULL, gs_std, fs_std, NULL, GL_UNIFORM, "(vs,gs,fs)", st_r_uniform),
> + ST( 2, 9, -1, -1, NULL, tcs_sub, tes_sub, NULL, NULL, NULL, GL_UNIFORM, "(tes,tcs)", st_r_tess_uniform),
> + ST( 2, 8, -1, -1, NULL, NULL, NULL, NULL, NULL, cs_sub, GL_UNIFORM, "(cs)", st_r_cs_uniform),
> + ST( 3, 17, 2, -1, vs_std, NULL, NULL, gs_std, fs_std, NULL, GL_UNIFORM_BLOCK, "(vs,gs,fs)", st_r_uniform_block),
> + ST( 2, 18, -1, -1, NULL, tcs_sub, tes_sub, NULL, NULL, NULL, GL_UNIFORM_BLOCK, "(tcs,tes)", st_r_tess_uniform_block),
> + ST( 1, 17, -1, -1, NULL, NULL, NULL, NULL, NULL, cs_sub, GL_UNIFORM_BLOCK, "(cs)", st_r_cs_uniform_block),
> + ST( 2, 10, -1, -1, vs_std, NULL, NULL, NULL, NULL, NULL, GL_PROGRAM_INPUT, "(vs)", st_r_in_vs),
> + ST( 2, 12, -1, -1, NULL, NULL, NULL, gs_std, NULL, NULL, GL_PROGRAM_INPUT, "(gs)", st_r_in_gs),
> + ST( 1, 10, -1, -1, NULL, NULL, NULL, NULL, fs_std, NULL, GL_PROGRAM_INPUT, "(fs)", st_r_in_fs),
> + ST( 2, 10, -1, -1, vs_std, NULL, NULL, NULL, fs_std, NULL, GL_PROGRAM_INPUT, "(vs,fs)", st_r_in_vs),
> + ST( 2, 10, -1, -1, vs_std, NULL, NULL, gs_std, NULL, NULL, GL_PROGRAM_INPUT, "(vs,gs)", st_r_in_vs),
> + ST( 2, 12, -1, -1, NULL, NULL, NULL, gs_std, fs_std, NULL, GL_PROGRAM_INPUT, "(gs,fs)", st_r_in_gs),
> + ST( 2, 10, -1, -1, vs_std, NULL, NULL, gs_std, fs_std, NULL, GL_PROGRAM_INPUT, "(vs,gs,fs)", st_r_in_vs),
> + ST( 2, 12, -1, -1, NULL, NULL, tes_sub, NULL, NULL, NULL, GL_PROGRAM_INPUT, "(tes)", st_r_in_tes),
> + ST( 2, 12, -1, -1, NULL, tcs_sub, NULL, NULL, NULL, NULL, GL_PROGRAM_INPUT, "(tcs)", st_r_in_tcs),
> + ST( 2, 12, -1, -1, NULL, tcs_sub, tes_sub, NULL, NULL, NULL, GL_PROGRAM_INPUT, "(tcs,tes)", st_r_in_tcs),
> + ST( 2, 10, -1, -1, vs_std, tcs_sub, tes_sub, NULL, NULL, NULL, GL_PROGRAM_INPUT, "(vs,tcs,tes)", st_r_in_vs),
> + ST( 0, 0, -1, -1, NULL, NULL, NULL, NULL, NULL, cs_sub, GL_PROGRAM_INPUT, "(cs)", NULL),
> + ST( 1, 12, -1, -1, vs_std, NULL, NULL, NULL, NULL, NULL, GL_PROGRAM_OUTPUT, "(vs)", st_r_out_vs),
> + ST( 2, 12, -1, -1, NULL, NULL, NULL, gs_std, NULL, NULL, GL_PROGRAM_OUTPUT, "(gs)", st_r_out_gs),
> + ST( 2, 11, -1, -1, NULL, NULL, NULL, NULL, fs_std, NULL, GL_PROGRAM_OUTPUT, "(fs)", st_r_out_fs),
> + ST( 2, 11, -1, -1, vs_std, NULL, NULL, NULL, fs_std, NULL, GL_PROGRAM_OUTPUT, "(vs,fs)", st_r_out_fs),
> + ST( 2, 12, -1, -1, vs_std, NULL, NULL, gs_std, NULL, NULL, GL_PROGRAM_OUTPUT, "(vs,gs)", st_r_out_gs),
> + ST( 2, 11, -1, -1, NULL, NULL, NULL, gs_std, fs_std, NULL, GL_PROGRAM_OUTPUT, "(gs,fs)", st_r_out_fs),
> + ST( 2, 11, -1, -1, vs_std, NULL, NULL, gs_std, fs_std, NULL, GL_PROGRAM_OUTPUT, "(vs,gs,fs)", st_r_out_fs),
> + ST( 2, 14, -1, -1, NULL, NULL, tes_sub, NULL, NULL, NULL, GL_PROGRAM_OUTPUT, "(tes)", st_r_out_tes),
> + ST(15, 23, -1, -1, NULL, tcs_sub, NULL, NULL, NULL, NULL, GL_PROGRAM_OUTPUT, "(tcs)", st_r_out_tcs),
> + ST( 2, 14, -1, -1, NULL, tcs_sub, tes_sub, NULL, NULL, NULL, GL_PROGRAM_OUTPUT, "(tcs,tes)", st_r_out_tes),
> + ST( 2, 12, -1, -1, NULL, tcs_sub, tes_sub, gs_std, NULL, NULL, GL_PROGRAM_OUTPUT, "(tcs,tes,gs)", st_r_out_gs),
> + ST( 0, 0, -1, -1, NULL, NULL, NULL, NULL, NULL, cs_sub, GL_PROGRAM_OUTPUT, "(cs)", st_r_cs_sub),
> + ST( 3, 11, -1, -1, vs_stor, NULL, NULL, gs_stor, fs_stor, NULL, GL_BUFFER_VARIABLE, "", st_r_buffer),
> + ST( 3, 16, 1, -1, vs_stor, NULL, NULL, gs_stor, fs_stor, NULL, GL_SHADER_STORAGE_BLOCK, "", st_r_stor_block),
> + ST( 3, -1, 1, -1, vs_atom, NULL, NULL, gs_atom, fs_atom, NULL, GL_ATOMIC_COUNTER_BUFFER, "", NULL),
> + ST( 2, 12, -1, -1, vs_std, NULL, NULL, gs_std, NULL, NULL, GL_TRANSFORM_FEEDBACK_VARYING, "", st_r_tf_varying),
> + ST( 2, 5, -1, -1, vs_sub, NULL, NULL, NULL, NULL, NULL, GL_VERTEX_SUBROUTINE, "", st_r_vs_sub),
> + ST( 1, 4, -1, -1, vs_sub, NULL, NULL, gs_sub, NULL, NULL, GL_GEOMETRY_SUBROUTINE, "", st_r_gs_sub),
> + ST( 1, 4, -1, -1, vs_sub, NULL, NULL, gs_sub, fs_sub, NULL, GL_FRAGMENT_SUBROUTINE, "", st_r_fs_sub),
> + ST( 1, 4, -1, -1, NULL, NULL, NULL, NULL, NULL, cs_sub, GL_COMPUTE_SUBROUTINE, "", st_r_cs_sub),
> + ST( 1, 5, -1, -1, vs_sub, tcs_sub, NULL, NULL, NULL, NULL, GL_TESS_CONTROL_SUBROUTINE, "", st_r_tcs_sub),
> + ST( 1, 5, -1, -1, vs_sub, NULL, tes_sub, NULL, NULL, NULL, GL_TESS_EVALUATION_SUBROUTINE, "", st_r_tes_sub),
> + ST( 1, 7, -1, 2, vs_sub, NULL, NULL, NULL, NULL, NULL, GL_VERTEX_SUBROUTINE_UNIFORM, "", st_r_vs_sub_uni),
> + ST( 1, 9, -1, 1, vs_sub, NULL, NULL, gs_sub, NULL, NULL, GL_GEOMETRY_SUBROUTINE_UNIFORM, "", st_r_gs_sub_uni),
> + ST( 1, 9, -1, 1, vs_sub, NULL, NULL, gs_sub, fs_sub, NULL, GL_FRAGMENT_SUBROUTINE_UNIFORM, "", st_r_fs_sub_uni),
> + ST( 1, 13, -1, 1, vs_sub, tcs_sub, NULL, NULL, NULL, NULL, GL_TESS_CONTROL_SUBROUTINE_UNIFORM, "", st_r_tcs_sub_uni),
> + ST( 1, 16, -1, 1, vs_sub, NULL, tes_sub, NULL, NULL, NULL, GL_TESS_EVALUATION_SUBROUTINE_UNIFORM, "", st_r_tes_sub_uni),
> + ST( 1, 8, -1, 1, NULL, NULL, NULL, NULL, NULL, cs_sub, GL_COMPUTE_SUBROUTINE_UNIFORM, "", st_r_cs_sub_uni),
> +};
> +
> +static void
> +check_pname(GLuint prog, GLenum programInterface, GLenum pname, bool *pass,
> + const char *subtest, int expected_value)
> +{
> + int value;
> +
> + if (expected_value < 0) {
> + return;
> + }
> +
> + glGetProgramInterfaceiv(prog, programInterface, pname, &value);
> + if (!piglit_check_gl_error(GL_NO_ERROR)) {
> + printf(" Latest error generated while running '%s'\n",
> + subtest);
> + }
> +
> + if (value != expected_value) {
> + fprintf(stderr, "'%s' expected %i but got %i\n", subtest,
> + expected_value, value);
> + *pass = false;
> + }
> +}
> +
> +static bool
> +is_resource_in_list(const char **list, const char *resource, int index,
> + bool check_order)
> +{
> + int i = 0;
> + while (list && list[i]) {
> + if (strcmp(list[i], resource) == 0) {
> + return !check_order || index == i;
> + }
> + i++;
> + }
> +
> + return false;
> +}
> +
> +static bool
> +consistency_check(GLuint prog, GLenum programInterface, const char *name,
> + GLint index)
> +{
> + bool subroutine = false;
> + const GLchar *names[] = { name };
> + GLuint old_idx = 0xdeadcafe;
> + GLenum shader;
> +
> + /* Validate result against old API. */
> + switch (programInterface) {
> + case GL_UNIFORM:
> + glGetUniformIndices(prog, 1, names, &old_idx);
> + piglit_check_gl_error(GL_NO_ERROR);
> + break;
> +
> + case GL_UNIFORM_BLOCK:
> + old_idx = glGetUniformBlockIndex(prog, name);
> + piglit_check_gl_error(GL_NO_ERROR);
> + break;
> +
> + case GL_VERTEX_SUBROUTINE:
> + shader = GL_VERTEX_SHADER;
> + subroutine = true;
> + break;
> +
> + case GL_TESS_CONTROL_SUBROUTINE:
> + shader = GL_TESS_CONTROL_SHADER;
> + subroutine = true;
> + break;
> +
> + case GL_TESS_EVALUATION_SUBROUTINE:
> + shader = GL_TESS_EVALUATION_SHADER;
> + subroutine = true;
> + break;
> +
> + case GL_GEOMETRY_SUBROUTINE:
> + shader = GL_GEOMETRY_SHADER;
> + subroutine = true;
> + break;
> +
> + case GL_FRAGMENT_SUBROUTINE:
> + shader = GL_FRAGMENT_SHADER;
> + subroutine = true;
> + break;
> +
> + case GL_COMPUTE_SUBROUTINE:
> + shader = GL_COMPUTE_SHADER;
> + subroutine = true;
> + break;
> +
> + default:
> + /* There are no old APIs for this program interface */
> + return true;
> + }
> +
> + if (subroutine) {
> + old_idx = glGetSubroutineIndex(prog, shader, name);
> + piglit_check_gl_error(GL_NO_ERROR);
> + }
> +
> + if (index != old_idx) {
> + printf("Index inconsistent with the old API: %i vs %i\n", index,
> + old_idx);
> + return false;
> + } else
> + return true;
> +}
> +
> +
> +static void
> +validate_resources(const struct subtest_t st, GLuint prog, bool *pass)
> +{
> + GLsizei max_size = 0, size, i;
> + char * name;
> +
> + /* Do not run the test for GL_ATOMIC_COUNTER_BUFFER.
> + * From the GL_ARB_program_interface_query extension:
> + *
> + * "The error INVALID_OPERATION is generated if <programInterface>
> + * is ATOMIC_COUNTER_BUFFER, since active atomic counter buffer
> + * resources are not assigned name strings."
> + */
> + if (st.programInterface == GL_ATOMIC_COUNTER_BUFFER)
> + return;
> +
> + name = (char *) malloc(st.max_length_name);
> + for (i = 0; i < st.active_resources; i++) {
> + GLuint index;
> +
> + glGetProgramResourceName(prog, st.programInterface,
> + i, st.max_length_name,
> + &size, name);
> + piglit_check_gl_error(GL_NO_ERROR);
> +
> + /* keep track of the maximum size */
> + if (size > max_size) {
> + max_size = size;
> + }
> +
> + /* Check the names. Transform feedback requires the order to be
> + * the same as the one given in glTransformFeedbackVaryings.
> + * From the GL_ARB_program_interface_query extension:
> + *
> + * "The order of the active resource list is
> + * implementation-dependent for all interfaces except for
> + * TRANSFORM_FEEDBACK_VARYING. For TRANSFORM_FEEDBACK_VARYING,
> + * the active resource list will use the variable order
> + * specified in the the most recent call to
> + * TransformFeedbackVaryings before the last call to
> + * LinkProgram.
> + */
> + if (st.resources && !is_resource_in_list(st.resources, name, i,
> + st.programInterface == GL_TRANSFORM_FEEDBACK_VARYING)) {
> + fprintf(stderr, "Resource '%s' not found in '%s' "
> + "resource list or found at the wrong "
> + "index\n", name,
> + st.programInterface_str);
> + *pass = false;
> + }
> +
> + /* Check the position of the arguments and see if it matches
> + * with the current position we are in.
> + */
> + index = glGetProgramResourceIndex(prog, st.programInterface,
> + name);
> + if (index != i) {
> + fprintf(stderr, "%s: Resource '%s' is not at the "
> + "position reported by "
> + "glGetProgramResourceIndex (%i instead "
> + "of %i)\n",
> + st.programInterface_str, name, index, i);
> + *pass = false;
> + }
> +
> + /* check the equivalence with the old API */
> + if (!consistency_check(prog, st.programInterface, name,
> + index)) {
> + *pass = false;
> + }
> + }
> + free(name);
> +
> + /* glGetProgramResourceName does not count the NULL terminator as part
> + * of the size contrarily to glGetProgramInterfaceiv.
> + * From the GL_ARB_program_interface_query extension:
> + *
> + * "void GetProgramInterfaceiv(uint program, enum programInterface,
> + * enum pname, int *params);
> + * [...]
> + * If <pname> is MAX_NAME_LENGTH, the value returned is the length of
> + * the longest active name string for an active resource in
> + * <programInterface>. This length includes an extra character for the
> + * null terminator."
> + *
> + * "void GetProgramResourceName(uint program, enum programInterface,
> + * uint index, sizei bufSize,
> + * sizei *length, char *name);
> + * [...]
> + * The actual number of characters written into <name>, excluding the
> + * null terminator, is returned in <length>."
> + */
> + if (max_size != MAX2(0, st.max_length_name - 1)) {
> + fprintf(stderr, "'%s actual max length' expected %i but got "
> + "%i\n", st.programInterface_str,
> + st.max_length_name - 1, max_size);
> + *pass = false;
> + }
> +}
> +
> +static bool
> +check_extensions(const struct subtest_t st)
> +{
> + if (st.programInterface == GL_ATOMIC_COUNTER_BUFFER &&
> + !piglit_is_extension_supported("GL_ARB_shader_atomic_counters")) {
> + return false;
> + }
> +
> + if ((st.programInterface == GL_BUFFER_VARIABLE ||
> + st.programInterface == GL_SHADER_STORAGE_BLOCK) &&
> + !piglit_is_extension_supported("GL_ARB_shader_storage_buffer_object")) {
> + return false;
> + }
> +
> + if ((st.programInterface == GL_VERTEX_SUBROUTINE ||
> + st.programInterface == GL_GEOMETRY_SUBROUTINE ||
> + st.programInterface == GL_FRAGMENT_SUBROUTINE ||
> + st.programInterface == GL_COMPUTE_SUBROUTINE ||
> + st.programInterface == GL_VERTEX_SUBROUTINE_UNIFORM ||
> + st.programInterface == GL_GEOMETRY_SUBROUTINE_UNIFORM ||
> + st.programInterface == GL_FRAGMENT_SUBROUTINE_UNIFORM ||
> + st.programInterface == GL_COMPUTE_SUBROUTINE_UNIFORM ||
> + st.programInterface == GL_TESS_CONTROL_SUBROUTINE ||
> + st.programInterface == GL_TESS_EVALUATION_SUBROUTINE ||
> + st.programInterface == GL_TESS_CONTROL_SUBROUTINE_UNIFORM ||
> + st.programInterface == GL_TESS_EVALUATION_SUBROUTINE_UNIFORM ||
> + st.programInterface == GL_COMPUTE_SUBROUTINE_UNIFORM) &&
> + !piglit_is_extension_supported("GL_ARB_shader_subroutine")) {
> + return false;
> + }
> +
> + if ((st.programInterface == GL_TESS_CONTROL_SUBROUTINE ||
> + st.programInterface == GL_TESS_EVALUATION_SUBROUTINE ||
> + st.programInterface == GL_TESS_CONTROL_SUBROUTINE_UNIFORM ||
> + st.programInterface == GL_TESS_EVALUATION_SUBROUTINE_UNIFORM ||
> + st.tcs_text || st.tes_text) &&
> + !piglit_is_extension_supported("GL_ARB_tessellation_shader")) {
> + return false;
> + }
> +
> + if ((st.programInterface == GL_COMPUTE_SUBROUTINE ||
> + st.programInterface == GL_COMPUTE_SUBROUTINE_UNIFORM ||
> + st.cs_text) &&
> + !piglit_is_extension_supported("GL_ARB_compute_shader") &&
> + !piglit_is_extension_supported("GL_ARB_shader_image_load_store")) {
> + return false;
> + }
> +
> + return true;
> +}
> +
> +static void
> +run_subtest(const struct subtest_t st, bool *pass)
> +{
> + enum piglit_result result;
> + bool local_pass = true;
> + GLuint prog;
> +
> + if (!check_extensions(st)) {
> + result = PIGLIT_SKIP;
> + goto report_result;
> + }
> +
> + prog = piglit_build_simple_program_unlinked_multiple_shaders(
> + GL_VERTEX_SHADER, st.vs_text,
> + GL_GEOMETRY_SHADER, st.gs_text,
> + GL_FRAGMENT_SHADER, st.fs_text,
> + GL_TESS_CONTROL_SHADER, st.tcs_text,
> + GL_TESS_EVALUATION_SHADER, st.tes_text,
> + GL_COMPUTE_SHADER, st.cs_text,
> + 0);
> +
> + if (st.programInterface == GL_TRANSFORM_FEEDBACK_VARYING) {
> + glTransformFeedbackVaryings(prog, 2, st_r_tf_varying,
> + GL_INTERLEAVED_ATTRIBS);
> + piglit_check_gl_error(GL_NO_ERROR);
> + }
> +
> + /* force the compiler not to optimise away inputs/outputs */
> + glProgramParameteri(prog, GL_PROGRAM_SEPARABLE, GL_TRUE);
> + piglit_check_gl_error(GL_NO_ERROR);
> +
> + glLinkProgram(prog);
> + if (!piglit_link_check_status(prog)) {
> + glDeleteProgram(prog);
> + result = PIGLIT_FAIL;
> + *pass = false;
> + goto report_result;
> + }
> +
> + check_pname(prog, st.programInterface, GL_ACTIVE_RESOURCES,
> + &local_pass, st.active_resources_str, st.active_resources);
> +
> + check_pname(prog, st.programInterface, GL_MAX_NAME_LENGTH,
> + &local_pass, st.max_length_name_str, st.max_length_name);
> +
> + /* do not test fetching the names if the previous tests failed */
> + if (local_pass) {
> + validate_resources(st, prog, &local_pass);
> + }
> +
> + check_pname(prog, st.programInterface, GL_MAX_NUM_ACTIVE_VARIABLES,
> + &local_pass, st.max_num_active_str, st.max_num_active);
> +
> + check_pname(prog, st.programInterface,
> + GL_MAX_NUM_COMPATIBLE_SUBROUTINES, &local_pass,
> + st.max_num_compat_sub_str, st.max_num_compat_sub);
> +
> + glDeleteProgram(prog);
> +
> + *pass = *pass && local_pass;
> + result = local_pass ? PIGLIT_PASS : PIGLIT_FAIL;
> +
> +report_result:
> + piglit_report_subtest_result(result, "%s", st.programInterface_str);
> +}
> +
> +void
> +piglit_init(int argc, char **argv)
> +{
> + piglit_require_extension("GL_ARB_program_interface_query");
> + piglit_require_extension("GL_ARB_separate_shader_objects");
> +}
> +
> +enum piglit_result
> +piglit_display(void)
> +{
> + bool pass = true;
> + int i;
> +
> + /* run all the getprograminterfaceiv tests */
> + for (i = 0; i < sizeof(subtests) / sizeof(struct subtest_t); i++) {
> + run_subtest(subtests[i], &pass);
> + }
> +
> + return pass ? PIGLIT_PASS : PIGLIT_FAIL;
> +}
>
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