Currently these are run only against GL_RGBA.

Two integer formattted tests:

int-draw-buffers-alpha-to-one and
int-draw-buffers-alpha-to-coverage

will be addressed in another patch while

alpha-to-coverage-no-draw-buffer-zero and
alpha-to-one-single-sample-buffer

are not that meaningful to run against multiple formats.

Signed-off-by: Topi Pohjolainen <[email protected]>
---
 tests/all.py                                                | 13 +++++++++----
 .../alpha-to-coverage-dual-src-blend.cpp                    |  9 ++++++---
 .../alpha-to-coverage-no-draw-buffer-zero-write.cpp         |  9 ++++++---
 .../alpha-to-one-dual-src-blend.cpp                         |  9 ++++++---
 .../alpha-to-one-msaa-disabled.cpp                          |  9 ++++++---
 tests/spec/ext_framebuffer_multisample/bitmap.cpp           | 10 +++++++---
 .../draw-buffers-alpha-to-coverage.cpp                      |  9 ++++++---
 .../draw-buffers-alpha-to-one.cpp                           |  9 ++++++---
 .../ext_framebuffer_multisample/draw-buffers-common.cpp     |  4 +++-
 tests/spec/ext_framebuffer_multisample/line-smooth.cpp      |  9 ++++++---
 tests/spec/ext_framebuffer_multisample/point-smooth.cpp     |  9 ++++++---
 tests/spec/ext_framebuffer_multisample/polygon-smooth.cpp   |  9 ++++++---
 tests/spec/ext_framebuffer_multisample/polygon-stipple.cpp  | 12 ++++++++----
 .../ext_framebuffer_multisample/sample-alpha-to-one.cpp     |  9 ++++++---
 14 files changed, 87 insertions(+), 42 deletions(-)

diff --git a/tests/all.py b/tests/all.py
index e08cee978..98b78ea89 100644
--- a/tests/all.py
+++ b/tests/all.py
@@ -3049,14 +3049,19 @@ with profile.test_list.group_manager(
                      'draw-buffers-alpha-to-one',
                      'draw-buffers-alpha-to-coverage',
                      'alpha-to-coverage-dual-src-blend',
-                     'alpha-to-coverage-no-draw-buffer-zero',
                      'alpha-to-coverage-no-draw-buffer-zero-write',
                      'alpha-to-one-dual-src-blend',
-                     'int-draw-buffers-alpha-to-one',
-                     'int-draw-buffers-alpha-to-coverage',
                      'alpha-to-one-msaa-disabled',
-                     'alpha-to-one-single-sample-buffer',
                      'bitmap', 'polygon-stipple']:
+            for fmt in ('GL_RGBA', 'GL_RGBA16F', 'GL_RGBA32F'):
+               g(['ext_framebuffer_multisample-{}'.format(test),
+                  sample_count, fmt],
+                 '{} {} {}'.format(test, sample_count, fmt))
+
+        for test in ['alpha-to-coverage-no-draw-buffer-zero',
+                     'int-draw-buffers-alpha-to-one',
+                     'int-draw-buffers-alpha-to-coverage',
+                     'alpha-to-one-single-sample-buffer']:
             g(['ext_framebuffer_multisample-{}'.format(test),
                sample_count],
               '{} {}'.format(test, sample_count))
diff --git 
a/tests/spec/ext_framebuffer_multisample/alpha-to-coverage-dual-src-blend.cpp 
b/tests/spec/ext_framebuffer_multisample/alpha-to-coverage-dual-src-blend.cpp
index 777af0cc8..c363535f9 100644
--- 
a/tests/spec/ext_framebuffer_multisample/alpha-to-coverage-dual-src-blend.cpp
+++ 
b/tests/spec/ext_framebuffer_multisample/alpha-to-coverage-dual-src-blend.cpp
@@ -50,7 +50,7 @@ PIGLIT_GL_TEST_CONFIG_END
 void
 print_usage_and_exit(char *prog_name)
 {
-        printf("Usage: %s <num_samples>\n", prog_name);
+        printf("Usage: %s <num_samples> <format>\n", prog_name);
        piglit_report_result(PIGLIT_FAIL);
 }
 
@@ -60,7 +60,7 @@ piglit_init(int argc, char **argv)
        int samples;
        const int num_attachments = 1;
 
-       if (argc < 2)
+       if (argc < 3)
                print_usage_and_exit(argv[0]);
        {
                char *endptr = NULL;
@@ -69,6 +69,9 @@ piglit_init(int argc, char **argv)
                        print_usage_and_exit(argv[0]);
        }
 
+       const GLenum color_internal_format =
+                piglit_get_gl_enum_from_name(argv[2]);
+
        piglit_require_gl_version(30);
 
        int pattern_width = piglit_width / 2;
@@ -90,7 +93,7 @@ piglit_init(int argc, char **argv)
                                      pattern_height,
                                      num_attachments,
                                      GL_COLOR_BUFFER_BIT,
-                                     GL_RGBA);
+                                     color_internal_format);
 
        shader_compile(true /* sample_alpha_to_coverage */,
                       true /* dual_src_blend */,
diff --git 
a/tests/spec/ext_framebuffer_multisample/alpha-to-coverage-no-draw-buffer-zero-write.cpp
 
b/tests/spec/ext_framebuffer_multisample/alpha-to-coverage-no-draw-buffer-zero-write.cpp
index 21c842eff..021b45e55 100644
--- 
a/tests/spec/ext_framebuffer_multisample/alpha-to-coverage-no-draw-buffer-zero-write.cpp
+++ 
b/tests/spec/ext_framebuffer_multisample/alpha-to-coverage-no-draw-buffer-zero-write.cpp
@@ -55,7 +55,7 @@ PIGLIT_GL_TEST_CONFIG_END
 void
 print_usage_and_exit(char *prog_name)
 {
-       printf("Usage: %s <num_samples>\n", prog_name);
+       printf("Usage: %s <num_samples> <format>\n", prog_name);
        piglit_report_result(PIGLIT_FAIL);
 }
 
@@ -68,7 +68,7 @@ piglit_init(int argc, char **argv)
         */
        int num_attachments = 3;
 
-       if (argc < 2)
+       if (argc < 3)
                print_usage_and_exit(argv[0]);
 
        {
@@ -78,6 +78,9 @@ piglit_init(int argc, char **argv)
                        print_usage_and_exit(argv[0]);
        }
 
+       const GLenum color_internal_format =
+                piglit_get_gl_enum_from_name(argv[2]);
+
        piglit_require_extension("GL_ARB_framebuffer_object");
        piglit_require_extension("GL_ARB_vertex_array_object");
        piglit_require_extension("GL_EXT_framebuffer_multisample");
@@ -101,7 +104,7 @@ piglit_init(int argc, char **argv)
                                      pattern_height,
                                      num_attachments,
                                      GL_COLOR_BUFFER_BIT,
-                                     GL_RGBA /* color_buffer_zero_format */);
+                                     color_internal_format);
        shader_compile(true /* sample_alpha_to_coverage */,
                       false /* dual_src_blend */,
                       false /* frag_out_zero_write */);
diff --git 
a/tests/spec/ext_framebuffer_multisample/alpha-to-one-dual-src-blend.cpp 
b/tests/spec/ext_framebuffer_multisample/alpha-to-one-dual-src-blend.cpp
index c2adeb555..5ad4ce881 100644
--- a/tests/spec/ext_framebuffer_multisample/alpha-to-one-dual-src-blend.cpp
+++ b/tests/spec/ext_framebuffer_multisample/alpha-to-one-dual-src-blend.cpp
@@ -50,7 +50,7 @@ PIGLIT_GL_TEST_CONFIG_END
 void
 print_usage_and_exit(char *prog_name)
 {
-        printf("Usage: %s <num_samples>\n", prog_name);
+        printf("Usage: %s <num_samples> <format>\n", prog_name);
        piglit_report_result(PIGLIT_FAIL);
 }
 
@@ -60,7 +60,7 @@ piglit_init(int argc, char **argv)
        int samples;
        const int num_attachments = 1;
 
-       if (argc < 2)
+       if (argc < 3)
                print_usage_and_exit(argv[0]);
        {
                char *endptr = NULL;
@@ -69,6 +69,9 @@ piglit_init(int argc, char **argv)
                        print_usage_and_exit(argv[0]);
        }
 
+       const GLenum color_internal_format =
+               piglit_get_gl_enum_from_name(argv[2]);
+
        piglit_require_gl_version(30);
 
        int pattern_width = piglit_width / 2;
@@ -90,7 +93,7 @@ piglit_init(int argc, char **argv)
                                      pattern_height,
                                      num_attachments,
                                      GL_COLOR_BUFFER_BIT,
-                                     GL_RGBA);
+                                     color_internal_format);
 
        shader_compile(false /* sample_alpha_to_coverage */,
                       true /* dual_src_blend */,
diff --git 
a/tests/spec/ext_framebuffer_multisample/alpha-to-one-msaa-disabled.cpp 
b/tests/spec/ext_framebuffer_multisample/alpha-to-one-msaa-disabled.cpp
index f7da4b818..bb466121e 100644
--- a/tests/spec/ext_framebuffer_multisample/alpha-to-one-msaa-disabled.cpp
+++ b/tests/spec/ext_framebuffer_multisample/alpha-to-one-msaa-disabled.cpp
@@ -52,7 +52,7 @@ PIGLIT_GL_TEST_CONFIG_END
 void
 print_usage_and_exit(char *prog_name)
 {
-        printf("Usage: %s <num_samples>\n", prog_name);
+        printf("Usage: %s <num_samples> <format>\n", prog_name);
        piglit_report_result(PIGLIT_FAIL);
 }
 
@@ -62,7 +62,7 @@ piglit_init(int argc, char **argv)
        int num_attachments = 1;
        int samples;
 
-       if (argc < 2)
+       if (argc < 3)
                print_usage_and_exit(argv[0]);
        {
                char *endptr = NULL;
@@ -71,6 +71,9 @@ piglit_init(int argc, char **argv)
                        print_usage_and_exit(argv[0]);
        }
 
+       const GLenum color_internal_format =
+               piglit_get_gl_enum_from_name(argv[2]);
+
        piglit_require_gl_version(21);
        piglit_require_extension("GL_ARB_framebuffer_object");
        piglit_require_extension("GL_ARB_vertex_array_object");
@@ -94,7 +97,7 @@ piglit_init(int argc, char **argv)
                                      pattern_height,
                                      num_attachments,
                                      GL_COLOR_BUFFER_BIT,
-                                     GL_RGBA);
+                                     color_internal_format);
        shader_compile(false /* sample_alpha_to_coverage */,
                       false /* dual_src_blend */,
                       true /* frag_out_zero_write */);
diff --git a/tests/spec/ext_framebuffer_multisample/bitmap.cpp 
b/tests/spec/ext_framebuffer_multisample/bitmap.cpp
index 3b50dccb0..efda57c26 100644
--- a/tests/spec/ext_framebuffer_multisample/bitmap.cpp
+++ b/tests/spec/ext_framebuffer_multisample/bitmap.cpp
@@ -142,7 +142,7 @@ test_multisample_bitmap()
 void
 piglit_init(int argc, char **argv)
 {
-       if (argc < 2)
+       if (argc < 3)
                print_usage_and_exit(argv[0]);
        {
                char *endptr = NULL;
@@ -151,6 +151,9 @@ piglit_init(int argc, char **argv)
                        print_usage_and_exit(argv[0]);
        }
 
+       const GLenum color_internal_format =
+               piglit_get_gl_enum_from_name(argv[2]);
+
        piglit_require_gl_version(21);
        piglit_require_extension("GL_ARB_framebuffer_object");
        piglit_require_extension("GL_ARB_vertex_array_object");
@@ -163,9 +166,10 @@ piglit_init(int argc, char **argv)
        if (num_samples > max_samples)
                piglit_report_result(PIGLIT_SKIP);
 
-       ms_fbo.setup(FboConfig(GL_RGBA, num_samples,
+       ms_fbo.setup(FboConfig(color_internal_format, num_samples,
                               pattern_width, pattern_height));
-       resolve_fbo.setup(FboConfig(GL_RGBA, 0, pattern_width, pattern_height));
+       resolve_fbo.setup(FboConfig(color_internal_format, 0,
+                                   pattern_width, pattern_height));
 }
 
 enum piglit_result
diff --git 
a/tests/spec/ext_framebuffer_multisample/draw-buffers-alpha-to-coverage.cpp 
b/tests/spec/ext_framebuffer_multisample/draw-buffers-alpha-to-coverage.cpp
index fe6a4fa49..7b5e7c76f 100644
--- a/tests/spec/ext_framebuffer_multisample/draw-buffers-alpha-to-coverage.cpp
+++ b/tests/spec/ext_framebuffer_multisample/draw-buffers-alpha-to-coverage.cpp
@@ -57,7 +57,7 @@ PIGLIT_GL_TEST_CONFIG_END
 void
 print_usage_and_exit(char *prog_name)
 {
-        printf("Usage: %s <num_samples>\n", prog_name);
+        printf("Usage: %s <num_samples> <format>\n", prog_name);
        piglit_report_result(PIGLIT_FAIL);
 }
 
@@ -70,7 +70,7 @@ piglit_init(int argc, char **argv)
         */
        int num_attachments = 3;
 
-       if (argc < 2)
+       if (argc < 3)
                print_usage_and_exit(argv[0]);
        {
                char *endptr = NULL;
@@ -79,6 +79,9 @@ piglit_init(int argc, char **argv)
                        print_usage_and_exit(argv[0]);
        }
 
+       const GLenum color_internal_format =
+               piglit_get_gl_enum_from_name(argv[2]);
+
        piglit_require_gl_version(21);
        piglit_require_extension("GL_ARB_framebuffer_object");
        piglit_require_extension("GL_ARB_vertex_array_object");
@@ -102,7 +105,7 @@ piglit_init(int argc, char **argv)
                                      pattern_height,
                                      num_attachments,
                                      GL_COLOR_BUFFER_BIT,
-                                     GL_RGBA);
+                                     color_internal_format);
        shader_compile(true /* sample_alpha_to_coverage */,
                       false /* dual_src_blend */,
                       true /* frag_out_zero_write */);
diff --git 
a/tests/spec/ext_framebuffer_multisample/draw-buffers-alpha-to-one.cpp 
b/tests/spec/ext_framebuffer_multisample/draw-buffers-alpha-to-one.cpp
index a9813ec63..332c3237e 100644
--- a/tests/spec/ext_framebuffer_multisample/draw-buffers-alpha-to-one.cpp
+++ b/tests/spec/ext_framebuffer_multisample/draw-buffers-alpha-to-one.cpp
@@ -79,7 +79,7 @@ static int samples;
 void
 print_usage_and_exit(char *prog_name)
 {
-        printf("Usage: %s <num_samples>\n", prog_name);
+        printf("Usage: %s <num_samples> <format>\n", prog_name);
        piglit_report_result(PIGLIT_FAIL);
 }
 
@@ -91,7 +91,7 @@ piglit_init(int argc, char **argv)
         */
        int num_attachments = 3;
 
-       if (argc < 2)
+       if (argc < 3)
                print_usage_and_exit(argv[0]);
        {
                char *endptr = NULL;
@@ -100,6 +100,9 @@ piglit_init(int argc, char **argv)
                        print_usage_and_exit(argv[0]);
        }
 
+       const GLenum color_internal_format =
+               piglit_get_gl_enum_from_name(argv[2]);
+
        piglit_require_gl_version(21);
        piglit_require_extension("GL_ARB_framebuffer_object");
        piglit_require_extension("GL_ARB_vertex_array_object");
@@ -123,7 +126,7 @@ piglit_init(int argc, char **argv)
                                      pattern_height,
                                      num_attachments,
                                      GL_COLOR_BUFFER_BIT,
-                                     GL_RGBA);
+                                     color_internal_format);
        shader_compile(false /* sample_alpha_to_coverage */,
                       false /* dual_src_blend */,
                       true /* frag_out_zero_write */);
diff --git a/tests/spec/ext_framebuffer_multisample/draw-buffers-common.cpp 
b/tests/spec/ext_framebuffer_multisample/draw-buffers-common.cpp
index 694931b6d..877b74a17 100644
--- a/tests/spec/ext_framebuffer_multisample/draw-buffers-common.cpp
+++ b/tests/spec/ext_framebuffer_multisample/draw-buffers-common.cpp
@@ -933,7 +933,9 @@ ms_fbo_and_draw_buffers_setup(int samples,
                                        color_buffer_zero_format, 0,
                                        pattern_width, pattern_height));
                is_buffer_zero_integer_format = true;
-       } else if (color_buffer_zero_format == GL_RGBA) {
+       } else if (color_buffer_zero_format == GL_RGBA ||
+                  color_buffer_zero_format == GL_RGBA16F ||
+                  color_buffer_zero_format == GL_RGBA32F) {
                resolve_config.color_internalformat =
                        color_buffer_zero_format;
        } else if (color_buffer_zero_format != GL_NONE) {
diff --git a/tests/spec/ext_framebuffer_multisample/line-smooth.cpp 
b/tests/spec/ext_framebuffer_multisample/line-smooth.cpp
index 29b1be04e..d4b18619b 100644
--- a/tests/spec/ext_framebuffer_multisample/line-smooth.cpp
+++ b/tests/spec/ext_framebuffer_multisample/line-smooth.cpp
@@ -75,7 +75,7 @@ void
 piglit_init(int argc, char **argv)
 {
        int num_samples;
-       if (argc < 2)
+       if (argc < 3)
                print_usage_and_exit(argv[0]);
        {
                char *endptr = NULL;
@@ -84,6 +84,9 @@ piglit_init(int argc, char **argv)
                        print_usage_and_exit(argv[0]);
        }
 
+       const GLenum color_internal_format =
+               piglit_get_gl_enum_from_name(argv[2]);
+
        piglit_require_gl_version(21);
        piglit_require_extension("GL_ARB_framebuffer_object");
        piglit_require_extension("GL_ARB_vertex_array_object");
@@ -100,7 +103,7 @@ piglit_init(int argc, char **argv)
        test_pattern = new Lines();
        test_pattern->compile();
 
-       test_fbo.setup(FboConfig(GL_RGBA, num_samples,
+       test_fbo.setup(FboConfig(color_internal_format, num_samples,
                                 pattern_width, pattern_height));
 
        glEnable (GL_BLEND);
@@ -133,7 +136,7 @@ piglit_display()
                          pattern_width, 0, 2*pattern_width, pattern_height,
                          GL_COLOR_BUFFER_BIT, GL_NEAREST);
 
-       /* Draw test pattern in mulisample test_fbo with GL_LINE_SMOOTH
+       /* Draw test pattern in multisample test_fbo with GL_LINE_SMOOTH
         * enabled
         */
        glEnable(GL_LINE_SMOOTH);
diff --git a/tests/spec/ext_framebuffer_multisample/point-smooth.cpp 
b/tests/spec/ext_framebuffer_multisample/point-smooth.cpp
index 544b001a6..fbf62a8fa 100644
--- a/tests/spec/ext_framebuffer_multisample/point-smooth.cpp
+++ b/tests/spec/ext_framebuffer_multisample/point-smooth.cpp
@@ -66,7 +66,7 @@ GLbitfield buffer_to_test;
 void
 print_usage_and_exit(char *prog_name)
 {
-       printf("Usage: %s <num_samples>\n",
+       printf("Usage: %s <num_samples> <format>\n",
               prog_name);
        piglit_report_result(PIGLIT_FAIL);
 }
@@ -75,7 +75,7 @@ void
 piglit_init(int argc, char **argv)
 {
        int num_samples;
-       if (argc < 2)
+       if (argc < 3)
                print_usage_and_exit(argv[0]);
        {
                char *endptr = NULL;
@@ -84,6 +84,9 @@ piglit_init(int argc, char **argv)
                        print_usage_and_exit(argv[0]);
        }
 
+       const GLenum color_internal_format =
+               piglit_get_gl_enum_from_name(argv[2]);
+
        piglit_require_gl_version(21);
        piglit_require_extension("GL_ARB_framebuffer_object");
        piglit_require_extension("GL_ARB_vertex_array_object");
@@ -100,7 +103,7 @@ piglit_init(int argc, char **argv)
        test_pattern = new Points();
        test_pattern->compile();
 
-       test_fbo.setup(FboConfig(GL_RGBA, num_samples,
+       test_fbo.setup(FboConfig(color_internal_format, num_samples,
                                 pattern_width, pattern_height));
 
        /* Blending is required to test smooth points */
diff --git a/tests/spec/ext_framebuffer_multisample/polygon-smooth.cpp 
b/tests/spec/ext_framebuffer_multisample/polygon-smooth.cpp
index e6f71807a..707ddaccc 100644
--- a/tests/spec/ext_framebuffer_multisample/polygon-smooth.cpp
+++ b/tests/spec/ext_framebuffer_multisample/polygon-smooth.cpp
@@ -65,7 +65,7 @@ TestPattern *test_pattern = NULL;
 void
 print_usage_and_exit(char *prog_name)
 {
-       printf("Usage: %s <num_samples>\n",
+       printf("Usage: %s <num_samples> <format>\n",
               prog_name);
        piglit_report_result(PIGLIT_FAIL);
 }
@@ -74,7 +74,7 @@ void
 piglit_init(int argc, char **argv)
 {
        int num_samples;
-       if (argc < 2)
+       if (argc < 3)
                print_usage_and_exit(argv[0]);
        {
                char *endptr = NULL;
@@ -83,6 +83,9 @@ piglit_init(int argc, char **argv)
                        print_usage_and_exit(argv[0]);
        }
 
+       const GLenum color_internal_format =
+               piglit_get_gl_enum_from_name(argv[2]);
+
        piglit_require_gl_version(21);
        piglit_require_extension("GL_ARB_framebuffer_object");
        piglit_require_extension("GL_ARB_vertex_array_object");
@@ -98,7 +101,7 @@ piglit_init(int argc, char **argv)
        test_pattern = new Triangles();
        test_pattern->compile();
 
-       ms_fbo.setup(FboConfig(GL_RGBA, num_samples,
+       ms_fbo.setup(FboConfig(color_internal_format, num_samples,
                               pattern_width, pattern_height));
 
        /* Enable blending to test GL_POLYGON_SMOOTH */
diff --git a/tests/spec/ext_framebuffer_multisample/polygon-stipple.cpp 
b/tests/spec/ext_framebuffer_multisample/polygon-stipple.cpp
index f22386655..d5d12223c 100644
--- a/tests/spec/ext_framebuffer_multisample/polygon-stipple.cpp
+++ b/tests/spec/ext_framebuffer_multisample/polygon-stipple.cpp
@@ -209,14 +209,14 @@ test_polygon_stipple()
 void
 print_usage_and_exit(char *prog_name)
 {
-       printf("Usage: %s <num_samples>\n", prog_name);
+       printf("Usage: %s <num_samples> <format>\n", prog_name);
        piglit_report_result(PIGLIT_FAIL);
 }
 
 void
 piglit_init(int argc, char **argv)
 {
-       if (argc < 2)
+       if (argc < 3)
                print_usage_and_exit(argv[0]);
        {
                char *endptr = NULL;
@@ -225,6 +225,9 @@ piglit_init(int argc, char **argv)
                        print_usage_and_exit(argv[0]);
        }
 
+       const GLenum color_internal_format =
+               piglit_get_gl_enum_from_name(argv[2]);
+
        piglit_require_gl_version(21);
        piglit_require_extension("GL_ARB_framebuffer_object");
        piglit_require_extension("GL_ARB_vertex_array_object");
@@ -237,9 +240,10 @@ piglit_init(int argc, char **argv)
        if (num_samples > max_samples)
                piglit_report_result(PIGLIT_SKIP);
 
-       ms_fbo.setup(FboConfig(GL_RGBA, num_samples,
+       ms_fbo.setup(FboConfig(color_internal_format, num_samples,
                               pattern_width, pattern_height));
-       resolve_fbo.setup(FboConfig(GL_RGBA, 0, pattern_width, pattern_height));
+       resolve_fbo.setup(FboConfig(color_internal_format, 0,
+                                   pattern_width, pattern_height));
 
        buffer_to_test = GL_COLOR_BUFFER_BIT;
        shader_compile();
diff --git a/tests/spec/ext_framebuffer_multisample/sample-alpha-to-one.cpp 
b/tests/spec/ext_framebuffer_multisample/sample-alpha-to-one.cpp
index 451686c91..374480987 100644
--- a/tests/spec/ext_framebuffer_multisample/sample-alpha-to-one.cpp
+++ b/tests/spec/ext_framebuffer_multisample/sample-alpha-to-one.cpp
@@ -52,7 +52,7 @@ PIGLIT_GL_TEST_CONFIG_END
 void
 print_usage_and_exit(char *prog_name)
 {
-        printf("Usage: %s <num_samples>\n", prog_name);
+        printf("Usage: %s <num_samples> <format>\n", prog_name);
        piglit_report_result(PIGLIT_FAIL);
 }
 
@@ -62,7 +62,7 @@ piglit_init(int argc, char **argv)
        int num_attachments = 1;
        int samples;
 
-       if (argc < 2)
+       if (argc < 3)
                print_usage_and_exit(argv[0]);
        {
                char *endptr = NULL;
@@ -71,6 +71,9 @@ piglit_init(int argc, char **argv)
                        print_usage_and_exit(argv[0]);
        }
 
+       const GLenum color_internal_format =
+               piglit_get_gl_enum_from_name(argv[2]);
+
        piglit_require_gl_version(21);
        piglit_require_extension("GL_ARB_framebuffer_object");
        piglit_require_extension("GL_ARB_vertex_array_object");
@@ -94,7 +97,7 @@ piglit_init(int argc, char **argv)
                                      pattern_height,
                                      num_attachments,
                                      GL_COLOR_BUFFER_BIT,
-                                     GL_RGBA);
+                                     color_internal_format);
        shader_compile(false /* sample_alpha_to_coverage */,
                       false /* dual_src_blend */,
                       true /* frag_out_zero_write */);
-- 
2.11.0

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