arb_texture_view/rendering-formats: test all combinations of all formats

Almost.

Everything is tested except these:
- SRGB8_ALPHA8
- SRGB8
- R11G11B10_FLOAT
- R5G5B5E9_FLOAT
- compressed formats

Both texturing and rendering are tested. There are 800+ subtests.

1 files changed, 1244 insertions, 66 deletions

diff --git a/tests/spec/arb_texture_view/rendering-formats.c b/tests/spec/arb_texture_view/rendering-formats.c
index 40df40c5f..fe996b87a 100644
--- a/tests/spec/arb_texture_view/rendering-formats.c
+++ b/tests/spec/arb_texture_view/rendering-formats.c
@@ -1,5 +1,6 @@
 /*
  * Copyright © 2014 Intel Corporation
+ * Copyright © 2016 Advanced Micro Devices, Inc.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
@@ -20,106 +21,1283 @@
  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  * IN THE SOFTWARE.
  *
- * Author: Chris Forbes <chrisf@ijw.co.nz>
  */
 
 /**
  * \file rendering-formats.c
- * This tests that texturing from a view works when the view has a different
- * internalformat to the original texture.
+ * This tests that texturing from a view and rendering to a view works when
+ * the view has a different internalformat to the original texture.
  */
 
 #include "piglit-util-gl.h"
 #include "common.h"
 
+#define TEX_SIZE 512 /* I need to test large textures for radeonsi */
+
 PIGLIT_GL_TEST_CONFIG_BEGIN
 
+	config.window_width = TEX_SIZE,
+	config.window_height = TEX_SIZE,
 	config.supports_gl_compat_version = 30;
 	config.window_visual = PIGLIT_GL_VISUAL_RGBA | PIGLIT_GL_VISUAL_DOUBLE;
 
 PIGLIT_GL_TEST_CONFIG_END
 
-#define TEX_SIZE 64
+static const char *vs =
+	"#version 130\n"
+	"void main() { \n"
+	"	gl_Position = gl_Vertex;\n"
+	"}\n";
 
-const float green[] = {0.0f, 1.0f, 0.0f, 0.0f};
+static const char *fs_render_float =
+	"#version 130\n"
+	"uniform vec4 v;\n"
+	"out vec4 color;"
+	"void main() { \n"
+	"	color = v;\n"
+	"}\n";
 
-enum piglit_result
-piglit_display(void)
-{
-	bool pass = true;
-	glViewport(0, 0, TEX_SIZE, TEX_SIZE);
-	glClearColor(0.2, 0.2, 0.2, 0.2);
-	glClear(GL_COLOR_BUFFER_BIT);
-	piglit_draw_rect(-1, -1, 2, 2);
-	pass = piglit_probe_rect_rgba(0, 0, TEX_SIZE, TEX_SIZE, green) && pass;
+static const char *fs_render_uint =
+	"#version 130\n"
+	"uniform uvec4 v;\n"
+	"out uvec4 color;"
+	"void main() { \n"
+	"	color = v;\n"
+	"}\n";
 
-	piglit_present_results();
+static const char *fs_render_sint =
+	"#version 130\n"
+	"uniform ivec4 v;\n"
+	"out ivec4 color;"
+	"void main() { \n"
+	"	color = v;\n"
+	"}\n";
 
-	return pass ? PIGLIT_PASS : PIGLIT_FAIL;
-}
+static const char *fs128_uint32 =
+	"#version 130\n"
+	"uniform usampler2D s;\n"
+	"void main() { \n"
+	"	if (texture(s, vec2(0.0)) == uvec4(\n"
+	"		0x3f800000u,\n"
+	"		0x3e800000u,\n"
+	"		0xbf800000u,\n"
+	"		0x00000000u)) {\n"
+	"		gl_FragColor = vec4(0,1,0,0);\n"
+	"	} else {\n"
+	"		gl_FragColor = vec4(1,0,0,0);\n"
+	"	}\n"
+	"}\n";
 
+static const char *fs128_sint32 =
+	"#version 130\n"
+	"uniform isampler2D s;\n"
+	"void main() { \n"
+	"	if (texture(s, vec2(0.0)) == ivec4(\n"
+	"		0x3f800000,\n"
+	"		0x3e800000,\n"
+	"		0xbf800000,\n"
+	"		0x00000000)) {\n"
+	"		gl_FragColor = vec4(0,1,0,0);\n"
+	"	} else {\n"
+	"		gl_FragColor = vec4(1,0,0,0);\n"
+	"	}\n"
+	"}\n";
 
-void
-piglit_init(int argc, char **argv)
-{
-	GLuint tex, view, prog;
-	int x, y;
-	float *data, *p;
+static const char *fs128_float32 =
+	"#version 130\n"
+	"#extension GL_ARB_shader_bit_encoding : enable\n"
+	"uniform sampler2D s;\n"
+	"void main() { \n"
+	"	if (floatBitsToUint(texture(s, vec2(0.0))) == uvec4(\n"
+	"		0x3f800000u,\n"
+	"		0x3e800000u,\n"
+	"		0xbf800000u,\n"
+	"		0x00000000u)) {\n"
+	"		gl_FragColor = vec4(0,1,0,0);\n"
+	"	} else {\n"
+	"		gl_FragColor = vec4(1,0,0,0);\n"
+	"	}\n"
+	"}\n";
 
-	piglit_require_extension("GL_ARB_texture_view");
+static const char *fs96_uint32 =
+	"#version 130\n"
+	"uniform usampler2D s;\n"
+	"void main() { \n"
+	"	if (texture(s, vec2(0.0)) == uvec4(\n"
+	"		0x3f800000u,\n"
+	"		0x3e800000u,\n"
+	"		0xbf800000u,\n"
+	"		0x00000001u)) {\n"
+	"		gl_FragColor = vec4(0,1,0,0);\n"
+	"	} else {\n"
+	"		gl_FragColor = vec4(1,0,0,0);\n"
+	"	}\n"
+	"}\n";
+
+static const char *fs96_sint32 =
+	"#version 130\n"
+	"uniform isampler2D s;\n"
+	"void main() { \n"
+	"	if (texture(s, vec2(0.0)) == ivec4(\n"
+	"		0x3f800000,\n"
+	"		0x3e800000,\n"
+	"		0xbf800000,\n"
+	"		0x00000001)) {\n"
+	"		gl_FragColor = vec4(0,1,0,0);\n"
+	"	} else {\n"
+	"		gl_FragColor = vec4(1,0,0,0);\n"
+	"	}\n"
+	"}\n";
+
+static const char *fs96_float32 =
+	"#version 130\n"
+	"#extension GL_ARB_shader_bit_encoding : enable\n"
+	"uniform sampler2D s;\n"
+	"void main() { \n"
+	"	if (floatBitsToUint(texture(s, vec2(0.0))) == uvec4(\n"
+	"		0x3f800000u,\n"
+	"		0x3e800000u,\n"
+	"		0xbf800000u,\n"
+	"		0x3f800000u)) {\n"
+	"		gl_FragColor = vec4(0,1,0,0);\n"
+	"	} else {\n"
+	"		gl_FragColor = vec4(1,0,0,0);\n"
+	"	}\n"
+	"}\n";
+
+static const char *fs64_uint32 =
+	"#version 130\n"
+	"uniform usampler2D s;\n"
+	"void main() { \n"
+	"	if (texture(s, vec2(0.0)) == uvec4(\n"
+	"		0x3fe0a4b5u,\n"
+	"		0x439ac3f7u,\n"
+	"		0u,\n"
+	"		1u)) {\n"
+	"		gl_FragColor = vec4(0,1,0,0);\n"
+	"	} else {\n"
+	"		gl_FragColor = vec4(1,0,0,0);\n"
+	"	}\n"
+	"}\n";
+
+static const char *fs64_sint32 =
+	"#version 130\n"
+	"uniform isampler2D s;\n"
+	"void main() { \n"
+	"	if (texture(s, vec2(0.0)) == ivec4(\n"
+	"		0x3fe0a4b5,\n"
+	"		0x439ac3f7,\n"
+	"		0,\n"
+	"		1)) {\n"
+	"		gl_FragColor = vec4(0,1,0,0);\n"
+	"	} else {\n"
+	"		gl_FragColor = vec4(1,0,0,0);\n"
+	"	}\n"
+	"}\n";
+
+static const char *fs64_float32 =
+	"#version 130\n"
+	"#extension GL_ARB_shader_bit_encoding : enable\n"
+	"uniform sampler2D s;\n"
+	"void main() { \n"
+	"	if (floatBitsToUint(texture(s, vec2(0.0))) == uvec4(\n"
+	"		0x3fe0a4b5u,\n"
+	"		0x439ac3f7u,\n"
+	"		0x00000000u,\n"
+	"		0x3f800000u)) {\n"
+	"		gl_FragColor = vec4(0,1,0,0);\n"
+	"	} else {\n"
+	"		gl_FragColor = vec4(1,0,0,0);\n"
+	"	}\n"
+	"}\n";
+
+static const char *fs64_float16 =
+	"#version 130\n"
+	"#extension GL_ARB_shading_language_packing : enable\n"
+	"uniform sampler2D s;\n"
+	"void main() { \n"
+	"	vec4 t = texture(s, vec2(0.0));\n"
+	"	uvec2 h = uvec2(packHalf2x16(t.xy), packHalf2x16(t.zw));\n"
+	"	if (h == uvec2(\n"
+	"		0x3fe0a4b5u,\n"
+	"		0x439ac3f7u)) {\n"
+	"		gl_FragColor = vec4(0,1,0,0);\n"
+	"	} else {\n"
+	"		gl_FragColor = vec4(1,0,0,0);\n"
+	"	}\n"
+	"}\n";
+
+static const char *fs64_uint16 =
+	"#version 130\n"
+	"uniform usampler2D s;\n"
+	"void main() { \n"
+	"	if (texture(s, vec2(0.0)) == uvec4(\n"
+	"		0xa4b5u,\n"
+	"		0x3fe0u,\n"
+	"		0xc3f7u,\n"
+	"		0x439au)) {\n"
+	"		gl_FragColor = vec4(0,1,0,0);\n"
+	"	} else {\n"
+	"		gl_FragColor = vec4(1,0,0,0);\n"
+	"	}\n"
+	"}\n";
+
+static const char *fs64_sint16 =
+	"#version 130\n"
+	"#extension GL_ARB_shader_bit_encoding : enable\n"
+	"uniform isampler2D s;\n"
+	"void main() { \n"
+	"	if (texture(s, vec2(0.0)) == ivec4(\n"
+	"		0xffffa4b5,\n" /* sign-extended */
+	"		0x3fe0,\n"
+	"		0xffffc3f7,\n"
+	"		0x439a)) {\n"
+	"		gl_FragColor = vec4(0,1,0,0);\n"
+	"	} else {\n"
+	"		gl_FragColor = vec4(1,0,0,0);\n"
+	"	}\n"
+	"}\n";
+
+static const char *fs64_unorm16 =
+	"#version 130\n"
+	"uniform sampler2D s;\n"
+	"void main() { \n"
+		/* correct float -> unorm conversion */
+	"	if (uvec4(texture(s, vec2(0.0)) * 65535.0 + 0.5) == uvec4(\n"
+	"		0xa4b5u,\n"
+	"		0x3fe0u,\n"
+	"		0xc3f7u,\n"
+	"		0x439au)) {\n"
+	"		gl_FragColor = vec4(0,1,0,0);\n"
+	"	} else {\n"
+	"		gl_FragColor = vec4(1,0,0,0);\n"
+	"	}\n"
+	"}\n";
+
+static const char *fs64_snorm16 =
+	"#version 130\n"
+	"#extension GL_ARB_shader_bit_encoding : enable\n"
+	"uniform sampler2D s;\n"
+	"void main() { \n"
+	"	vec4 t = texture(s, vec2(0.0));\n"
+		/* correct float -> snorm conversion */
+	"	vec4 off = vec4(t.x >= 0.0 ? 0.5 : -0.5,\n"
+	"			t.y >= 0.0 ? 0.5 : -0.5,\n"
+	"			t.z >= 0.0 ? 0.5 : -0.5,\n"
+	"			t.w >= 0.0 ? 0.5 : -0.5);\n"
+	"	if (ivec4(t * 32767.0 + off) == ivec4(\n"
+	"		0xffffa4b5,\n" /* sign-extended */
+	"		0x3fe0,\n"
+	"		0xffffc3f7,\n"
+	"		0x439a)) {\n"
+	"		gl_FragColor = vec4(0,1,0,0);\n"
+	"	} else {\n"
+	"		gl_FragColor = vec4(1,0,0,0);\n"
+	"	}\n"
+	"}\n";
+
+static const char *fs48_float16 =
+	"#version 130\n"
+	"#extension GL_ARB_shading_language_packing : enable\n"
+	"uniform sampler2D s;\n"
+	"void main() { \n"
+	"	vec4 t = texture(s, vec2(0.0));\n"
+	"	uvec2 h = uvec2(packHalf2x16(t.xy), packHalf2x16(t.zw));\n"
+	"	if (h == uvec2(\n"
+	"		0x3fe0a4b5u,\n"
+	"		0x3c00c3f7u)) {\n"
+	"		gl_FragColor = vec4(0,1,0,0);\n"
+	"	} else {\n"
+	"		gl_FragColor = vec4(1,0,0,0);\n"
+	"	}\n"
+	"}\n";
+
+static const char *fs48_uint16 =
+	"#version 130\n"
+	"uniform usampler2D s;\n"
+	"void main() { \n"
+	"	if (texture(s, vec2(0.0)) == uvec4(\n"
+	"		0xa4b5u,\n"
+	"		0x3fe0u,\n"
+	"		0xc3f7u,\n"
+	"		0x0001u)) {\n"
+	"		gl_FragColor = vec4(0,1,0,0);\n"
+	"	} else {\n"
+	"		gl_FragColor = vec4(1,0,0,0);\n"
+	"	}\n"
+	"}\n";
+
+static const char *fs48_sint16 =
+	"#version 130\n"
+	"#extension GL_ARB_shader_bit_encoding : enable\n"
+	"uniform isampler2D s;\n"
+	"void main() { \n"
+	"	if (texture(s, vec2(0.0)) == ivec4(\n"
+	"		0xffffa4b5,\n" /* sign-extended */
+	"		0x3fe0,\n"
+	"		0xffffc3f7,\n"
+	"		0x0001)) {\n"
+	"		gl_FragColor = vec4(0,1,0,0);\n"
+	"	} else {\n"
+	"		gl_FragColor = vec4(1,0,0,0);\n"
+	"	}\n"
+	"}\n";
+
+static const char *fs48_unorm16 =
+	"#version 130\n"
+	"uniform sampler2D s;\n"
+	"void main() { \n"
+		/* correct float -> unorm conversion */
+	"	if (uvec4(texture(s, vec2(0.0)) * 65535.0 + 0.5) == uvec4(\n"
+	"		0xa4b5u,\n"
+	"		0x3fe0u,\n"
+	"		0xc3f7u,\n"
+	"		0xffffu)) {\n" /* 1.0 */
+	"		gl_FragColor = vec4(0,1,0,0);\n"
+	"	} else {\n"
+	"		gl_FragColor = vec4(1,0,0,0);\n"
+	"	}\n"
+	"}\n";
+
+static const char *fs48_snorm16 =
+	"#version 130\n"
+	"#extension GL_ARB_shader_bit_encoding : enable\n"
+	"uniform sampler2D s;\n"
+	"void main() { \n"
+	"	vec4 t = texture(s, vec2(0.0));\n"
+		/* correct float -> snorm conversion */
+	"	vec4 off = vec4(t.x >= 0.0 ? 0.5 : -0.5,\n"
+	"			t.y >= 0.0 ? 0.5 : -0.5,\n"
+	"			t.z >= 0.0 ? 0.5 : -0.5,\n"
+	"			t.w >= 0.0 ? 0.5 : -0.5);\n"
+	"	if (ivec4(t * 32767.0 + off) == ivec4(\n"
+	"		0xffffa4b5,\n" /* sign-extended */
+	"		0x3fe0,\n"
+	"		0xffffc3f7,\n"
+	"		0x7fff)) {\n" /* 1.0 */
+	"		gl_FragColor = vec4(0,1,0,0);\n"
+	"	} else {\n"
+	"		gl_FragColor = vec4(1,0,0,0);\n"
+	"	}\n"
+	"}\n";
+
+static const char *fs32_uint32 =
+	"#version 130\n"
+	"uniform usampler2D s;\n"
+	"void main() { \n"
+	"	if (texture(s, vec2(0.0)) == uvec4(\n"
+	"		0x3fe0a4b5u,\n"
+	"		0u,\n"
+	"		0u,\n"
+	"		1u)) {\n"
+	"		gl_FragColor = vec4(0,1,0,0);\n"
+	"	} else {\n"
+	"		gl_FragColor = vec4(1,0,0,0);\n"
+	"	}\n"
+	"}\n";
+
+static const char *fs32_sint32 =
+	"#version 130\n"
+	"uniform isampler2D s;\n"
+	"void main() { \n"
+	"	if (texture(s, vec2(0.0)) == ivec4(\n"
+	"		0x3fe0a4b5,\n"
+	"		0,\n"
+	"		0,\n"
+	"		1)) {\n"
+	"		gl_FragColor = vec4(0,1,0,0);\n"
+	"	} else {\n"
+	"		gl_FragColor = vec4(1,0,0,0);\n"
+	"	}\n"
+	"}\n";
+
+static const char *fs32_float32 =
+	"#version 130\n"
+	"#extension GL_ARB_shader_bit_encoding : enable\n"
+	"uniform sampler2D s;\n"
+	"void main() { \n"
+	"	if (floatBitsToUint(texture(s, vec2(0.0))) == uvec4(\n"
+	"		0x3fe0a4b5u,\n"
+	"		0x00000000u,\n"
+	"		0x00000000u,\n"
+	"		0x3f800000u)) {\n"
+	"		gl_FragColor = vec4(0,1,0,0);\n"
+	"	} else {\n"
+	"		gl_FragColor = vec4(1,0,0,0);\n"
+	"	}\n"
+	"}\n";
+
+static const char *fs32_float16 =
+	"#version 130\n"
+	"#extension GL_ARB_shading_language_packing : enable\n"
+	"uniform sampler2D s;\n"
+	"void main() { \n"
+	"	vec4 t = texture(s, vec2(0.0));\n"
+	"	uvec2 h = uvec2(packHalf2x16(t.xy), packHalf2x16(t.zw));\n"
+	"	if (h == uvec2(\n"
+	"		0x3fe0a4b5u,\n"
+	"		0x3c000000u)) {\n"
+	"		gl_FragColor = vec4(0,1,0,0);\n"
+	"	} else {\n"
+	"		gl_FragColor = vec4(1,0,0,0);\n"
+	"	}\n"
+	"}\n";
+
+static const char *fs32_uint16 =
+	"#version 130\n"
+	"uniform usampler2D s;\n"
+	"void main() { \n"
+	"	if (texture(s, vec2(0.0)) == uvec4(\n"
+	"		0xa4b5u,\n"
+	"		0x3fe0u,\n"
+	"		0x0000u,\n"
+	"		0x0001u)) {\n"
+	"		gl_FragColor = vec4(0,1,0,0);\n"
+	"	} else {\n"
+	"		gl_FragColor = vec4(1,0,0,0);\n"
+	"	}\n"
+	"}\n";
+
+static const char *fs32_sint16 =
+	"#version 130\n"
+	"#extension GL_ARB_shader_bit_encoding : enable\n"
+	"uniform isampler2D s;\n"
+	"void main() { \n"
+	"	if (texture(s, vec2(0.0)) == ivec4(\n"
+	"		0xffffa4b5,\n" /* sign-extended */
+	"		0x3fe0,\n"
+	"		0x0000,\n"
+	"		0x0001)) {\n"
+	"		gl_FragColor = vec4(0,1,0,0);\n"
+	"	} else {\n"
+	"		gl_FragColor = vec4(1,0,0,0);\n"
+	"	}\n"
+	"}\n";
+
+static const char *fs32_unorm16 =
+	"#version 130\n"
+	"uniform sampler2D s;\n"
+	"void main() { \n"
+		/* correct float -> unorm conversion */
+	"	if (uvec4(texture(s, vec2(0.0)) * 65535.0 + 0.5) == uvec4(\n"
+	"		0xa4b5u,\n"
+	"		0x3fe0u,\n"
+	"		0x0000u,\n"
+	"		0xffffu)) {\n" /* 1.0 */
+	"		gl_FragColor = vec4(0,1,0,0);\n"
+	"	} else {\n"
+	"		gl_FragColor = vec4(1,0,0,0);\n"
+	"	}\n"
+	"}\n";
+
+static const char *fs32_snorm16 =
+	"#version 130\n"
+	"#extension GL_ARB_shader_bit_encoding : enable\n"
+	"uniform sampler2D s;\n"
+	"void main() { \n"
+	"	vec4 t = texture(s, vec2(0.0));\n"
+		/* correct float -> snorm conversion */
+	"	vec4 off = vec4(t.x >= 0.0 ? 0.5 : -0.5,\n"
+	"			t.y >= 0.0 ? 0.5 : -0.5,\n"
+	"			t.z >= 0.0 ? 0.5 : -0.5,\n"
+	"			t.w >= 0.0 ? 0.5 : -0.5);\n"
+	"	if (ivec4(t * 32767.0 + off) == ivec4(\n"
+	"		0xffffa4b5,\n" /* sign-extended */
+	"		0x3fe0,\n"
+	"		0x0000,\n"
+	"		0x7fff)) {\n" /* 1.0 */
+	"		gl_FragColor = vec4(0,1,0,0);\n"
+	"	} else {\n"
+	"		gl_FragColor = vec4(1,0,0,0);\n"
+	"	}\n"
+	"}\n";
+
+static const char *fs32_uint8 =
+	"#version 130\n"
+	"uniform usampler2D s;\n"
+	"void main() { \n"
+	"	if (texture(s, vec2(0.0)) == uvec4(\n"
+	"		0xb5u,\n"
+	"		0xa4u,\n"
+	"		0xe0u,\n"
+	"		0x3fu)) {\n"
+	"		gl_FragColor = vec4(0,1,0,0);\n"
+	"	} else {\n"
+	"		gl_FragColor = vec4(1,0,0,0);\n"
+	"	}\n"
+	"}\n";
+
+static const char *fs32_sint8 =
+	"#version 130\n"
+	"#extension GL_ARB_shader_bit_encoding : enable\n"
+	"uniform isampler2D s;\n"
+	"void main() { \n"
+	"	if (texture(s, vec2(0.0)) == ivec4(\n"
+	"		0xffffffb5,\n" /* sign-extended */
+	"		0xffffffa4,\n"
+	"		0xffffffe0,\n"
+	"		0x3f)) {\n"
+	"		gl_FragColor = vec4(0,1,0,0);\n"
+	"	} else {\n"
+	"		gl_FragColor = vec4(1,0,0,0);\n"
+	"	}\n"
+	"}\n";
+
+static const char *fs32_unorm8 =
+	"#version 130\n"
+	"uniform sampler2D s;\n"
+	"void main() { \n"
+		/* correct float -> unorm conversion */
+	"	if (uvec4(texture(s, vec2(0.0)) * 255.0 + 0.5) == uvec4(\n"
+	"		0xb5u,\n"
+	"		0xa4u,\n"
+	"		0xe0u,\n"
+	"		0x3fu)) {\n"
+	"		gl_FragColor = vec4(0,1,0,0);\n"
+	"	} else {\n"
+	"		gl_FragColor = vec4(1,0,0,0);\n"
+	"	}\n"
+	"}\n";
+
+static const char *fs32_snorm8 =
+	"#version 130\n"
+	"#extension GL_ARB_shader_bit_encoding : enable\n"
+	"uniform sampler2D s;\n"
+	"void main() { \n"
+	"	vec4 t = texture(s, vec2(0.0));\n"
+		/* correct float -> snorm conversion */
+	"	vec4 off = vec4(t.x >= 0.0 ? 0.5 : -0.5,\n"
+	"			t.y >= 0.0 ? 0.5 : -0.5,\n"
+	"			t.z >= 0.0 ? 0.5 : -0.5,\n"
+	"			t.w >= 0.0 ? 0.5 : -0.5);\n"
+	"	if (ivec4(t * 127.0 + off) == ivec4(\n"
+	"		0xffffffb5,\n" /* sign-extended */
+	"		0xffffffa4,\n"
+	"		0xffffffe0,\n"
+	"		0x3f)) {\n"
+	"		gl_FragColor = vec4(0,1,0,0);\n"
+	"	} else {\n"
+	"		gl_FragColor = vec4(1,0,0,0);\n"
+	"	}\n"
+	"}\n";
+
+static const char *fs32_uint10 =
+	"#version 130\n"
+	"uniform usampler2D s;\n"
+	"void main() { \n"
+	"	if (texture(s, vec2(0.0)) == uvec4(\n"
+	"		0x0b5u,\n"
+	"		0x029u,\n"
+	"		0x3feu,\n"
+	"		0x000u)) {\n"
+	"		gl_FragColor = vec4(0,1,0,0);\n"
+	"	} else {\n"
+	"		gl_FragColor = vec4(1,0,0,0);\n"
+	"	}\n"
+	"}\n";
+
+static const char *fs32_unorm10 =
+	"#version 130\n"
+	"uniform sampler2D s;\n"
+	"void main() { \n"
+		/* correct float -> unorm conversion */
+	"	if (uvec4(texture(s, vec2(0.0)) * vec4(1023.0, 1023.0, 1023.0, 3.0) + 0.5) == uvec4(\n"
+	"		0x0b5u,\n"
+	"		0x029u,\n"
+	"		0x3feu,\n"
+	"		0x000u)) {\n"
+	"		gl_FragColor = vec4(0,1,0,0);\n"
+	"	} else {\n"
+	"		gl_FragColor = vec4(1,0,0,0);\n"
+	"	}\n"
+	"}\n";
+
+static const char *fs24_uint8 =
+	"#version 130\n"
+	"uniform usampler2D s;\n"
+	"void main() { \n"
+	"	if (texture(s, vec2(0.0)) == uvec4(\n"
+	"		0xb5u,\n"
+	"		0xa4u,\n"
+	"		0xe0u,\n"
+	"		0x01u)) {\n"
+	"		gl_FragColor = vec4(0,1,0,0);\n"
+	"	} else {\n"
+	"		gl_FragColor = vec4(1,0,0,0);\n"
+	"	}\n"
+	"}\n";
+
+static const char *fs24_sint8 =
+	"#version 130\n"
+	"#extension GL_ARB_shader_bit_encoding : enable\n"
+	"uniform isampler2D s;\n"
+	"void main() { \n"
+	"	if (texture(s, vec2(0.0)) == ivec4(\n"
+	"		0xffffffb5,\n" /* sign-extended */
+	"		0xffffffa4,\n"
+	"		0xffffffe0,\n"
+	"		0x01)) {\n"
+	"		gl_FragColor = vec4(0,1,0,0);\n"
+	"	} else {\n"
+	"		gl_FragColor = vec4(1,0,0,0);\n"
+	"	}\n"
+	"}\n";
+
+static const char *fs24_unorm8 =
+	"#version 130\n"
+	"uniform sampler2D s;\n"
+	"void main() { \n"
+		/* correct float -> unorm conversion */
+	"	if (uvec4(texture(s, vec2(0.0)) * 255.0 + 0.5) == uvec4(\n"
+	"		0xb5u,\n"
+	"		0xa4u,\n"
+	"		0xe0u,\n"
+	"		0xffu)) {\n"
+	"		gl_FragColor = vec4(0,1,0,0);\n"
+	"	} else {\n"
+	"		gl_FragColor = vec4(1,0,0,0);\n"
+	"	}\n"
+	"}\n";
+
+static const char *fs24_snorm8 =
+	"#version 130\n"
+	"#extension GL_ARB_shader_bit_encoding : enable\n"
+	"uniform sampler2D s;\n"
+	"void main() { \n"
+	"	vec4 t = texture(s, vec2(0.0));\n"
+		/* correct float -> snorm conversion */
+	"	vec4 off = vec4(t.x >= 0.0 ? 0.5 : -0.5,\n"
+	"			t.y >= 0.0 ? 0.5 : -0.5,\n"
+	"			t.z >= 0.0 ? 0.5 : -0.5,\n"
+	"			t.w >= 0.0 ? 0.5 : -0.5);\n"
+	"	if (ivec4(t * 127.0 + off) == ivec4(\n"
+	"		0xffffffb5,\n" /* sign-extended */
+	"		0xffffffa4,\n"
+	"		0xffffffe0,\n"
+	"		0x7f)) {\n"
+	"		gl_FragColor = vec4(0,1,0,0);\n"
+	"	} else {\n"
+	"		gl_FragColor = vec4(1,0,0,0);\n"
+	"	}\n"
+	"}\n";
+
+static const char *fs16_float16 =
+	"#version 130\n"
+	"#extension GL_ARB_shading_language_packing : enable\n"
+	"uniform sampler2D s;\n"
+	"void main() { \n"
+	"	vec4 t = texture(s, vec2(0.0));\n"
+	"	uvec2 h = uvec2(packHalf2x16(t.xy), packHalf2x16(t.zw));\n"
+	"	if (h == uvec2(\n"
+	"		0x0000a4b5u,\n"
+	"		0x3c000000u)) {\n"
+	"		gl_FragColor = vec4(0,1,0,0);\n"
+	"	} else {\n"
+	"		gl_FragColor = vec4(1,0,0,0);\n"
+	"	}\n"
+	"}\n";
+
+static const char *fs16_uint16 =
+	"#version 130\n"
+	"uniform usampler2D s;\n"
+	"void main() { \n"
+	"	if (texture(s, vec2(0.0)) == uvec4(\n"
+	"		0xa4b5u,\n"
+	"		0x0000u,\n"
+	"		0x0000u,\n"
+	"		0x0001u)) {\n"
+	"		gl_FragColor = vec4(0,1,0,0);\n"
+	"	} else {\n"
+	"		gl_FragColor = vec4(1,0,0,0);\n"
+	"	}\n"
+	"}\n";
+
+static const char *fs16_sint16 =
+	"#version 130\n"
+	"#extension GL_ARB_shader_bit_encoding : enable\n"
+	"uniform isampler2D s;\n"
+	"void main() { \n"
+	"	if (texture(s, vec2(0.0)) == ivec4(\n"
+	"		0xffffa4b5,\n" /* sign-extended */
+	"		0x0000,\n"
+	"		0x0000,\n"
+	"		0x0001)) {\n"
+	"		gl_FragColor = vec4(0,1,0,0);\n"
+	"	} else {\n"
+	"		gl_FragColor = vec4(1,0,0,0);\n"
+	"	}\n"
+	"}\n";
+
+static const char *fs16_unorm16 =
+	"#version 130\n"
+	"uniform sampler2D s;\n"
+	"void main() { \n"
+		/* correct float -> unorm conversion */
+	"	if (uvec4(texture(s, vec2(0.0)) * 65535.0 + 0.5) == uvec4(\n"
+	"		0xa4b5u,\n"
+	"		0x0000u,\n"
+	"		0x0000u,\n"
+	"		0xffffu)) {\n" /* 1.0 */
+	"		gl_FragColor = vec4(0,1,0,0);\n"
+	"	} else {\n"
+	"		gl_FragColor = vec4(1,0,0,0);\n"
+	"	}\n"
+	"}\n";
+
+static const char *fs16_snorm16 =
+	"#version 130\n"
+	"#extension GL_ARB_shader_bit_encoding : enable\n"
+	"uniform sampler2D s;\n"
+	"void main() { \n"
+	"	vec4 t = texture(s, vec2(0.0));\n"
+		/* correct float -> snorm conversion */
+	"	vec4 off = vec4(t.x >= 0.0 ? 0.5 : -0.5,\n"
+	"			t.y >= 0.0 ? 0.5 : -0.5,\n"
+	"			t.z >= 0.0 ? 0.5 : -0.5,\n"
+	"			t.w >= 0.0 ? 0.5 : -0.5);\n"
+	"	if (ivec4(t * 32767.0 + off) == ivec4(\n"
+	"		0xffffa4b5,\n" /* sign-extended */
+	"		0x0000,\n"
+	"		0x0000,\n"
+	"		0x7fff)) {\n" /* 1.0 */
+	"		gl_FragColor = vec4(0,1,0,0);\n"
+	"	} else {\n"
+	"		gl_FragColor = vec4(1,0,0,0);\n"
+	"	}\n"
+	"}\n";
+
+static const char *fs16_uint8 =
+	"#version 130\n"
+	"uniform usampler2D s;\n"
+	"void main() { \n"
+	"	if (texture(s, vec2(0.0)) == uvec4(\n"
+	"		0xb5u,\n"
+	"		0xa4u,\n"
+	"		0x00u,\n"
+	"		0x01u)) {\n"
+	"		gl_FragColor = vec4(0,1,0,0);\n"
+	"	} else {\n"
+	"		gl_FragColor = vec4(1,0,0,0);\n"
+	"	}\n"
+	"}\n";
+
+static const char *fs16_sint8 =
+	"#version 130\n"
+	"#extension GL_ARB_shader_bit_encoding : enable\n"
+	"uniform isampler2D s;\n"
+	"void main() { \n"
+	"	if (texture(s, vec2(0.0)) == ivec4(\n"
+	"		0xffffffb5,\n" /* sign-extended */
+	"		0xffffffa4,\n"
+	"		0x00,\n"
+	"		0x01)) {\n"
+	"		gl_FragColor = vec4(0,1,0,0);\n"
+	"	} else {\n"
+	"		gl_FragColor = vec4(1,0,0,0);\n"
+	"	}\n"
+	"}\n";
+
+static const char *fs16_unorm8 =
+	"#version 130\n"
+	"uniform sampler2D s;\n"
+	"void main() { \n"
+		/* correct float -> unorm conversion */
+	"	if (uvec4(texture(s, vec2(0.0)) * 255.0 + 0.5) == uvec4(\n"
+	"		0xb5u,\n"
+	"		0xa4u,\n"
+	"		0x00u,\n"
+	"		0xffu)) {\n"
+	"		gl_FragColor = vec4(0,1,0,0);\n"
+	"	} else {\n"
+	"		gl_FragColor = vec4(1,0,0,0);\n"
+	"	}\n"
+	"}\n";
+
+static const char *fs16_snorm8 =
+	"#version 130\n"
+	"#extension GL_ARB_shader_bit_encoding : enable\n"
+	"uniform sampler2D s;\n"
+	"void main() { \n"
+	"	vec4 t = texture(s, vec2(0.0));\n"
+		/* correct float -> snorm conversion */
+	"	vec4 off = vec4(t.x >= 0.0 ? 0.5 : -0.5,\n"
+	"			t.y >= 0.0 ? 0.5 : -0.5,\n"
+	"			t.z >= 0.0 ? 0.5 : -0.5,\n"
+	"			t.w >= 0.0 ? 0.5 : -0.5);\n"
+	"	if (ivec4(t * 127.0 + off) == ivec4(\n"
+	"		0xffffffb5,\n" /* sign-extended */
+	"		0xffffffa4,\n"
+	"		0x00,\n"
+	"		0x7f)) {\n"
+	"		gl_FragColor = vec4(0,1,0,0);\n"
+	"	} else {\n"
+	"		gl_FragColor = vec4(1,0,0,0);\n"
+	"	}\n"
+	"}\n";
+
+static const char *fs8_uint8 =
+	"#version 130\n"
+	"uniform usampler2D s;\n"
+	"void main() { \n"
+	"	if (texture(s, vec2(0.0)) == uvec4(\n"
+	"		0xb5u,\n"
+	"		0x00u,\n"
+	"		0x00u,\n"
+	"		0x01u)) {\n"
+	"		gl_FragColor = vec4(0,1,0,0);\n"
+	"	} else {\n"
+	"		gl_FragColor = vec4(1,0,0,0);\n"
+	"	}\n"
+	"}\n";
+
+static const char *fs8_sint8 =
+	"#version 130\n"
+	"#extension GL_ARB_shader_bit_encoding : enable\n"
+	"uniform isampler2D s;\n"
+	"void main() { \n"
+	"	if (texture(s, vec2(0.0)) == ivec4(\n"
+	"		0xffffffb5,\n" /* sign-extended */
+	"		0x00,\n"
+	"		0x00,\n"
+	"		0x01)) {\n"
+	"		gl_FragColor = vec4(0,1,0,0);\n"
+	"	} else {\n"
+	"		gl_FragColor = vec4(1,0,0,0);\n"
+	"	}\n"
+	"}\n";
+
+static const char *fs8_unorm8 =
+	"#version 130\n"
+	"uniform sampler2D s;\n"
+	"void main() { \n"
+		/* correct float -> unorm conversion */
+	"	if (uvec4(texture(s, vec2(0.0)) * 255.0 + 0.5) == uvec4(\n"
+	"		0xb5u,\n"
+	"		0x00u,\n"
+	"		0x00u,\n"
+	"		0xffu)) {\n"
+	"		gl_FragColor = vec4(0,1,0,0);\n"
+	"	} else {\n"
+	"		gl_FragColor = vec4(1,0,0,0);\n"
+	"	}\n"
+	"}\n";
+
+static const char *fs8_snorm8 =
+	"#version 130\n"
+	"#extension GL_ARB_shader_bit_encoding : enable\n"
+	"uniform sampler2D s;\n"
+	"void main() { \n"
+	"	vec4 t = texture(s, vec2(0.0));\n"
+		/* correct float -> snorm conversion */
+	"	vec4 off = vec4(t.x >= 0.0 ? 0.5 : -0.5,\n"
+	"			t.y >= 0.0 ? 0.5 : -0.5,\n"
+	"			t.z >= 0.0 ? 0.5 : -0.5,\n"
+	"			t.w >= 0.0 ? 0.5 : -0.5);\n"
+	"	if (ivec4(t * 127.0 + off) == ivec4(\n"
+	"		0xffffffb5,\n" /* sign-extended */
+	"		0x00,\n"
+	"		0x00,\n"
+	"		0x7f)) {\n"
+	"		gl_FragColor = vec4(0,1,0,0);\n"
+	"	} else {\n"
+	"		gl_FragColor = vec4(1,0,0,0);\n"
+	"	}\n"
+	"}\n";
+
+struct format_info {
+	const char **fs;
+	GLenum internalformat, format, type;
+	uint32_t render_value[4];
+};
+
+struct view_class {
+	struct format_info formats[18];
+	unsigned bpp;
+	uint32_t data[4];
+};
+
+static const struct view_class classes[] = {
+	{
+		{
+			{&fs128_float32, GL_RGBA32F, GL_RGBA, GL_FLOAT,
+			 {0x3f800000, 0x3e800000, 0xbf800000, 0x00000000}},
+			{&fs128_uint32, GL_RGBA32UI, GL_RGBA_INTEGER, GL_UNSIGNED_INT,
+			 {0x3f800000, 0x3e800000, 0xbf800000, 0x00000000}},
+			{&fs128_sint32, GL_RGBA32I, GL_RGBA_INTEGER, GL_INT,
+			 {0x3f800000, 0x3e800000, 0xbf800000, 0x00000000}},
+		},
+		16,
+		{0x3f800000, 0x3e800000, 0xbf800000, 0x00000000}, /* raw texture contents */
+	},
+	{
+		{
+			{&fs96_float32, GL_RGB32F, GL_RGB, GL_FLOAT,
+			 {0x3f800000, 0x3e800000, 0xbf800000}},
+			{&fs96_uint32, GL_RGB32UI, GL_RGB_INTEGER, GL_UNSIGNED_INT,
+			 {0x3f800000, 0x3e800000, 0xbf800000}},
+			{&fs96_sint32, GL_RGB32I, GL_RGB_INTEGER, GL_INT,
+			 {0x3f800000, 0x3e800000, 0xbf800000}},
+		},
+		12,
+		{0x3f800000, 0x3e800000, 0xbf800000}, /* raw texture contents */
+	},
+	{
+		{
+			{&fs64_float32, GL_RG32F, GL_RG, GL_FLOAT,
+			 {0x3fe0a4b5, 0x439ac3f7}},
+			{&fs64_uint32, GL_RG32UI, GL_RG_INTEGER, GL_UNSIGNED_INT,
+			 {0x3fe0a4b5, 0x439ac3f7}},
+			{&fs64_sint32, GL_RG32I, GL_RG_INTEGER, GL_INT,
+			 {0x3fe0a4b5, 0x439ac3f7}},
+
+			{&fs64_float16, GL_RGBA16F, GL_RGBA, GL_HALF_FLOAT,
+			 {0xbc96a000, 0x3ffc0000, 0xc07ee000, 0x40734000}}, /* half converted to float */
+			{&fs64_uint16, GL_RGBA16UI, GL_RGBA_INTEGER, GL_UNSIGNED_SHORT,
+			 {0xa4b5, 0x3fe0, 0xc3f7, 0x439a}},
+			{&fs64_sint16, GL_RGBA16I, GL_RGBA_INTEGER, GL_SHORT,
+			 {0xffffa4b5, 0x3fe0, 0xffffc3f7, 0x439a}}, /* sign-extended */
+			{&fs64_unorm16, GL_RGBA16, GL_RGBA, GL_UNSIGNED_SHORT,
+			 {0x3f24b5a5, 0x3e7f8100, 0x3f43f7c4, 0x3e873487}}, /* unorm converted to float */
+			{&fs64_snorm16, GL_RGBA16_SNORM, GL_RGBA, GL_SHORT,
+			 {0xbf36976d, 0x3eff81ff, 0xbef025e0, 0x3f07350e}}, /* snorm converted to float */
+		},
+		8,
+		{0x3fe0a4b5, 0x439ac3f7}, /* raw texture contents */
+	},
+	{
+		{
+			{&fs48_float16, GL_RGB16F, GL_RGB, GL_HALF_FLOAT,
+			 {0xbc96a000, 0x3ffc0000, 0xc07ee000}}, /* half converted to float */
+			{&fs48_uint16, GL_RGB16UI, GL_RGB_INTEGER, GL_UNSIGNED_SHORT,
+			 {0xa4b5, 0x3fe0, 0xc3f7}},
+			{&fs48_sint16, GL_RGB16I, GL_RGB_INTEGER, GL_SHORT,
+			 {0xffffa4b5, 0x3fe0, 0xffffc3f7}}, /* sign-extended */
+			{&fs48_unorm16, GL_RGB16, GL_RGB, GL_UNSIGNED_SHORT,
+			 {0x3f24b5a5, 0x3e7f8100, 0x3f43f7c4}}, /* unorm converted to float */
+			{&fs48_snorm16, GL_RGB16_SNORM, GL_RGB, GL_SHORT,
+			 {0xbf36976d, 0x3eff81ff, 0xbef025e0}}, /* snorm converted to float */
+		},
+		6,
+		{0x3fe0a4b5, 0xc3f7}, /* raw texture contents */
+	},
+	{
+		{
+			{&fs32_float32, GL_R32F, GL_RED, GL_FLOAT, {0x3fe0a4b5}},
+			{&fs32_uint32, GL_R32UI, GL_RED_INTEGER, GL_UNSIGNED_INT, {0x3fe0a4b5}},
+			{&fs32_sint32, GL_R32I, GL_RED_INTEGER, GL_INT, {0x3fe0a4b5}},
+
+			{&fs32_float16, GL_RG16F, GL_RG, GL_HALF_FLOAT, {0xbc96a000, 0x3ffc0000}}, /* half converted to float */
+			{&fs32_uint16, GL_RG16UI, GL_RG_INTEGER, GL_UNSIGNED_SHORT, {0xa4b5, 0x3fe0}},
+			{&fs32_sint16, GL_RG16I, GL_RG_INTEGER, GL_SHORT, {0xffffa4b5, 0x3fe0}}, /* sign-extended */
+			{&fs32_unorm16, GL_RG16, GL_RG, GL_UNSIGNED_SHORT, {0x3f24b5a5, 0x3e7f8100}}, /* unorm converted to float */
+			{&fs32_snorm16, GL_RG16_SNORM, GL_RG, GL_SHORT, {0xbf36976d, 0x3eff81ff}}, /* snorm converted to float */
+
+			{&fs32_uint8, GL_RGBA8UI, GL_RGBA_INTEGER, GL_UNSIGNED_BYTE,
+			 {0xb5, 0xa4, 0xe0, 0x3f}},
+			{&fs32_sint8, GL_RGBA8I, GL_RGBA_INTEGER, GL_BYTE,
+			 {0xffffffb5, 0xffffffa4, 0xffffffe0, 0x3f}}, /* sign-extended */
+			{&fs32_unorm8, GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE,
+			 {0x3f35b5b6, 0x3f24a4a5, 0x3f60e0e1, 0x3e7cfcfd}}, /* unorm converted to float */
+			{&fs32_snorm8, GL_RGBA8_SNORM, GL_RGBA, GL_BYTE,
+			 {0xbf172e5d, 0xbf3972e6, 0xbe810204, 0x3efdfbf8}}, /* snorm converted to float */
+			/*{&fs32_srgb8, GL_SRGB8_ALPHA8, GL_RGBA, GL_UNSIGNED_BYTE},*/
+
+			{&fs32_uint10, GL_RGB10_A2UI, GL_RGBA_INTEGER, GL_UNSIGNED_INT_2_10_10_10_REV,
+			 {0x0b5, 0x029, 0x3fe, 0x000}},
+			{&fs32_unorm10, GL_RGB10_A2, GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV,
+			 {0x3e352d4b, 0x3d24290a, 0x3f7fbff0, 0x0}}, /* unorm converted to float */
+
+			/*{&fs32_float11, GL_R11F_G11F_B10F, GL_RGB, GL_UNSIGNED_INT_10_11_11_REV},
+			{&fs32_float9, GL_RGB9_E5, GL_RGB, GL_UNSIGNED_INT_5_9_9_9_REV},*/
+		},
+		4,
+		{0x3fe0a4b5}, /* raw texture contents */
+	},
+	{
+		{
+			{&fs24_uint8, GL_RGB8UI, GL_RGB_INTEGER, GL_UNSIGNED_BYTE,
+			 {0xb5, 0xa4, 0xe0}},
+			{&fs24_sint8, GL_RGB8I, GL_RGB_INTEGER, GL_BYTE,
+			 {0xffffffb5, 0xffffffa4, 0xffffffe0}}, /* sign-extended */
+			{&fs24_unorm8, GL_RGB8, GL_RGB, GL_UNSIGNED_BYTE,
+			 {0x3f35b5b6, 0x3f24a4a5, 0x3f60e0e1}}, /* unorm converted to float */
+			{&fs24_snorm8, GL_RGB8_SNORM, GL_RGB, GL_BYTE,
+			 {0xbf172e5d, 0xbf3972e6, 0xbe810204}}, /* snorm converted to float */
+			/*{&fs24_srgb8, GL_SRGB8, GL_RGBA, GL_UNSIGNED_BYTE},*/
+		},
+		3,
+		{0xe0a4b5}, /* raw texture contents */
+	},
+	{
+		{
+			{&fs16_float16, GL_R16F, GL_RED, GL_HALF_FLOAT, {0xbc96a000}}, /* half converted to float */
+			{&fs16_uint16, GL_R16UI, GL_RED_INTEGER, GL_UNSIGNED_SHORT, {0xa4b5}},
+			{&fs16_sint16, GL_R16I, GL_RED_INTEGER, GL_SHORT, {0xffffa4b5}}, /* sign-extended */
+			{&fs16_unorm16, GL_R16, GL_RED, GL_UNSIGNED_SHORT, {0x3f24b5a5}}, /* unorm converted to float */
+			{&fs16_snorm16, GL_R16_SNORM, GL_RED, GL_SHORT, {0xbf36976d}}, /* snorm converted to float */
+
+			{&fs16_uint8, GL_RG8UI, GL_RG_INTEGER, GL_UNSIGNED_BYTE, {0xb5, 0xa4}},
+			{&fs16_sint8, GL_RG8I, GL_RG_INTEGER, GL_BYTE, {0xffffffb5, 0xffffffa4}}, /* sign-extended */
+			{&fs16_unorm8, GL_RG8, GL_RG, GL_UNSIGNED_BYTE, {0x3f35b5b6, 0x3f24a4a5}}, /* unorm converted to float */
+			{&fs16_snorm8, GL_RG8_SNORM, GL_RG, GL_BYTE, {0xbf172e5d, 0xbf3972e6}}, /* snorm converted to float */
+		},
+		2,
+		{0xa4b5}, /* raw texture contents */
+	},
+	{
+		{
+			{&fs8_uint8, GL_R8UI, GL_RED_INTEGER, GL_UNSIGNED_BYTE, {0xb5}},
+			{&fs8_sint8, GL_R8I, GL_RED_INTEGER, GL_BYTE, {0xffffffb5}},
+			{&fs8_unorm8, GL_R8, GL_RED, GL_UNSIGNED_BYTE, {0x3f35b5b6}}, /* unorm converted to float */
+			{&fs8_snorm8, GL_R8_SNORM, GL_RED, GL_BYTE, {0xbf172e5d}}, /* snorm converted to float */
+		},
+		1,
+		{0xb5}, /* raw texture contents */
+	},
+};
+
+static const float green[] = {0.0f, 1.0f, 0.0f, 0.0f};
+static GLuint prog_float, prog_uint, prog_sint;
+static GLuint loc_float, loc_uint, loc_sint;
+
+static GLuint
+create_texture(const struct view_class *vclass,
+	       const struct format_info *base_format,
+	       bool clear_to_zero)
+{
+	GLuint tex;
+	char *p, *data;
+	unsigned size, i;
 
 	glGenTextures(1, &tex);
 	glBindTexture(GL_TEXTURE_2D, tex);
-	glTexStorage2D(GL_TEXTURE_2D, 1, GL_RGBA32F, TEX_SIZE, TEX_SIZE);
-
-	/* fill with some float values with easily-identifiable binary
-	 * representations
-	 */
-	p = data = malloc(sizeof(float) * 4 * TEX_SIZE * TEX_SIZE);
-	for (x = 0; x < TEX_SIZE; x++)
-		for (y = 0; y < TEX_SIZE; y++) {
-			*p++ = 1.0f;
-			*p++ = 0.25f;
-			*p++ = -1.0f;
-			*p++ = 0.0f;
-		}
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+	glTexStorage2D(GL_TEXTURE_2D, 1, base_format->internalformat,
+		       TEX_SIZE, TEX_SIZE);
+
+	size = vclass->bpp * TEX_SIZE * TEX_SIZE;
+
+	p = data = malloc(size);
 
-	glTexSubImage2D(GL_TEXTURE_2D, 0,
-			0, 0, TEX_SIZE, TEX_SIZE,
-			GL_RGBA, GL_FLOAT,
-			data);
+	/* always fill the whole texture - needed by radeonsi */
+	if (clear_to_zero)
+		memset(data, 0, size);
+	else
+		for (i = 0; i < size; i++)
+			*p++ = ((char*)vclass->data)[i % vclass->bpp];
+
+	glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, TEX_SIZE, TEX_SIZE,
+			base_format->format, base_format->type, data);
+	free(data);
+	return tex;
+}
+
+static GLuint
+create_view(const struct format_info *view_format, GLuint tex)
+{
+	GLuint view;
 
-	/* make an unsigned integer view */
 	glGenTextures(1, &view);
-	glTextureView(view, GL_TEXTURE_2D, tex, GL_RGBA32UI, 0, 1, 0, 1);
+	glTextureView(view, GL_TEXTURE_2D, tex, view_format->internalformat,
+		      0, 1, 0, 1);
 	glBindTexture(GL_TEXTURE_2D, view);
 	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
 	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+	return view;
+}
 
-	/* shader to test with */
-	prog = piglit_build_simple_program(
-			"#version 130\n"
-			"out vec2 tc;\n"
-			"void main() { \n"
-			"	gl_Position = gl_Vertex;\n"
-			"	tc = gl_Vertex.xy;\n"
-			"}\n",
-
-			"#version 130\n"
-			"uniform usampler2D s;\n"
-			"in vec2 tc;\n"
-			"void main() { \n"
-			"	if (texture(s, tc) == uvec4(\n"
-			"		0x3f800000u,\n"
-			"		0x3e800000u,\n"
-			"		0xbf800000u,\n"
-			"		0x00000000u)) {\n"
-			"		gl_FragColor = vec4(0,1,0,0);\n"
-			"	} else {\n"
-			"		gl_FragColor = vec4(1,0,0,0);\n"
-			"	}\n"
-			"}\n");
+static GLuint
+create_program(const struct format_info *view_format)
+{
+	GLuint prog = piglit_build_simple_program(vs, *view_format->fs);
 
 	glUseProgram(prog);
 	glUniform1i(glGetUniformLocation(prog, "s"), 0);
+	return prog;
+}
+
+static void
+test_by_sampling(const char *test_name,
+		 const struct format_info *vformat,
+		 enum piglit_result *all)
+{
+	GLuint prog;
+	bool pass;
+	enum piglit_result one_result;
+
+	prog = create_program(vformat);
+
+	/* Draw only one pixel. We don't need more. */
+	piglit_draw_rect(-1, -1, 2.0/TEX_SIZE, 2.0/TEX_SIZE);
+	pass = piglit_probe_pixel_rgba(0, 0, green);
+
+	one_result = pass ? PIGLIT_PASS : PIGLIT_FAIL;
+	piglit_report_subtest_result(one_result, "%s", test_name);
+	piglit_merge_result(all, one_result);
+
+	glDeleteProgram(prog);
+}
+
+static bool
+render_to_view(const struct format_info *vformat, GLuint tex)
+{
+	GLuint fbo, status, view;
+
+	view = create_view(vformat, tex);
+	glBindTexture(GL_TEXTURE_2D, 0);
+
+	glGenFramebuffers(1, &fbo);
+	glBindFramebuffer(GL_FRAMEBUFFER, fbo);
+	glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
+			       GL_TEXTURE_2D, view, 0);
+
+	status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
+	if (status != GL_FRAMEBUFFER_COMPLETE) {
+		glDeleteFramebuffers(1, &fbo);
+		glDeleteTextures(1, &view);
+		glBindFramebuffer(GL_FRAMEBUFFER, piglit_winsys_fbo);
+		return false;
+	}
+
+	if (vformat->format == GL_RGBA_INTEGER ||
+	    vformat->format == GL_RGB_INTEGER ||
+	    vformat->format == GL_RG_INTEGER ||
+	    vformat->format == GL_RED_INTEGER) {
+		if (vformat->type == GL_BYTE ||
+		    vformat->type == GL_SHORT ||
+		    vformat->type == GL_INT) {
+			glUseProgram(prog_sint);
+			glUniform4iv(loc_sint, 1, (int*)vformat->render_value);
+		} else {
+			glUseProgram(prog_uint);
+			glUniform4uiv(loc_uint, 1, vformat->render_value);
+		}
+	} else {
+		glUseProgram(prog_float);
+		glUniform4fv(loc_float, 1, (float*)vformat->render_value);
+	}
+
+	/* Fill the whole texture - needed by radeonsi. */
+	piglit_draw_rect(-1, -1, 2, 2);
+
+	glDeleteFramebuffers(1, &fbo);
+	glDeleteTextures(1, &view);
+	glBindFramebuffer(GL_FRAMEBUFFER, piglit_winsys_fbo);
+	return true;
+}
+
+enum piglit_result
+piglit_display(void)
+{
+	enum piglit_result result = PIGLIT_PASS;
+	int classi;
+
+	glClear(GL_COLOR_BUFFER_BIT);
+
+	/* Reinterpret sampler formats. */
+	for (classi = 0; classi < ARRAY_SIZE(classes); classi++) {
+		const struct view_class *vclass = &classes[classi];
+		int i;
+
+		for (i = 0; vclass->formats[i].fs; i++) {
+			const struct format_info *base = &vclass->formats[i];
+			GLuint tex;
+			int j;
+
+			tex = create_texture(vclass, base, false);
+
+			for (j = 0; vclass->formats[j].fs; j++) {
+				const struct format_info *vformat = &vclass->formats[j];
+				GLuint view;
+				char test_name[128];
+
+				view = create_view(vformat, tex);
+
+				snprintf(test_name, sizeof(test_name),
+					 "sample %s as %s",
+				         piglit_get_gl_enum_name(base->internalformat),
+				         piglit_get_gl_enum_name(vformat->internalformat));
+
+				test_by_sampling(test_name, vformat, &result);
+				glDeleteTextures(1, &view);
+
+				piglit_check_gl_error(GL_NO_ERROR);
+			}
+
+			glDeleteTextures(1, &tex);
+		}
+	}
+
+	/* Reinterpret color buffer formats. */
+	for (classi = 0; classi < ARRAY_SIZE(classes); classi++) {
+		const struct view_class *vclass = &classes[classi];
+		int i;
+
+		for (i = 0; vclass->formats[i].fs; i++) {
+			const struct format_info *base = &vclass->formats[i];
+			int j;
+
+			for (j = 0; vclass->formats[j].fs; j++) {
+				const struct format_info *vformat = &vclass->formats[j];
+				char test_name[128];
+				GLuint tex;
+
+				snprintf(test_name, sizeof(test_name),
+					 "render to %s as %s",
+				         piglit_get_gl_enum_name(base->internalformat),
+				         piglit_get_gl_enum_name(vformat->internalformat));
+
+				tex = create_texture(vclass, base, true);
+				glBindTexture(GL_TEXTURE_2D, 0);
+
+				if (!render_to_view(vformat, tex)) {
+					piglit_report_subtest_result(PIGLIT_SKIP, "%s", test_name);
+					piglit_merge_result(&result, PIGLIT_SKIP);
+					glDeleteTextures(1, &tex);
+					continue;
+				}
+
+				glBindTexture(GL_TEXTURE_2D, tex);
+				test_by_sampling(test_name, base, &result);
+				glDeleteTextures(1, &tex);
+
+				piglit_check_gl_error(GL_NO_ERROR);
+			}
+		}
+	}
+
+	piglit_report_result(result);
+	return PIGLIT_FAIL; /* unreachable */
+}
+
+void
+piglit_init(int argc, char **argv)
+{
+	piglit_automatic = true;
+
+	piglit_require_gl_version(30);
+	piglit_require_extension("GL_ARB_texture_view");
+	piglit_require_extension("GL_ARB_shader_bit_encoding");
+	piglit_require_extension("GL_ARB_shading_language_packing");
+	piglit_require_extension("GL_ARB_texture_rgb10_a2ui");
+
+	glClearColor(0.2, 0.2, 0.2, 0.2);
+
+	/* Don't clamp SNORM rendering to [0,1]. */
+	glClampColor(GL_CLAMP_FRAGMENT_COLOR, GL_FALSE);
+
+	prog_float = piglit_build_simple_program(vs, fs_render_float);
+	loc_float = glGetUniformLocation(prog_float, "v");
+	assert(loc_float != -1);
+
+	prog_uint = piglit_build_simple_program(vs, fs_render_uint);
+	loc_uint = glGetUniformLocation(prog_uint, "v");
+	assert(loc_uint != -1);
+
+	prog_sint = piglit_build_simple_program(vs, fs_render_sint);
+	loc_sint = glGetUniformLocation(prog_sint, "v");
+	assert(loc_sint != -1);
+
+	glUseProgram(prog_float);
 }