1 files changed, 88 insertions, 0 deletions
diff --git a/shaders/vulkan/frag/shader-arithmetic-8bit.nocompat.vk.frag b/shaders/vulkan/frag/shader-arithmetic-8bit.nocompat.vk.frag
new file mode 100644
index 00000000..d70b0dad
--- /dev/null
+++ b/shaders/vulkan/frag/shader-arithmetic-8bit.nocompat.vk.frag
@@ -0,0 +1,88 @@
+#version 450
+#extension GL_EXT_shader_explicit_arithmetic_types_int8 : require
+#extension GL_EXT_shader_explicit_arithmetic_types_int16 : require
+
+layout(location = 0) flat in ivec4 vColor;
+layout(location = 0) out ivec4 FragColorInt;
+layout(location = 1) out uvec4 FragColorUint;
+
+layout(push_constant, std140) uniform Push
+{
+	int8_t i8;
+	uint8_t u8;
+} registers;
+
+layout(binding = 0, std140) uniform UBO
+{
+	int8_t i8;
+	uint8_t u8;
+} ubo;
+
+layout(binding = 1, std430) buffer SSBO
+{
+	int8_t i8[16];
+	uint8_t u8[16];
+} ssbo;
+
+void packing_int8()
+{
+	int16_t i16 = 10s;
+	int i32 = 20;
+
+	i8vec2 i8_2 = unpack8(i16);
+	i8vec4 i8_4 = unpack8(i32);
+	i16 = pack16(i8_2);
+	i32 = pack32(i8_4);
+	ssbo.i8[0] = i8_4.x;
+	ssbo.i8[1] = i8_4.y;
+	ssbo.i8[2] = i8_4.z;
+	ssbo.i8[3] = i8_4.w;
+}
+
+void packing_uint8()
+{
+	uint16_t u16 = 10us;
+	uint u32 = 20u;
+
+	u8vec2 u8_2 = unpack8(u16);
+	u8vec4 u8_4 = unpack8(u32);
+	u16 = pack16(u8_2);
+	u32 = pack32(u8_4);
+
+	ssbo.u8[0] = u8_4.x;
+	ssbo.u8[1] = u8_4.y;
+	ssbo.u8[2] = u8_4.z;
+	ssbo.u8[3] = u8_4.w;
+}
+
+void compute_int8()
+{
+	i8vec4 tmp = i8vec4(vColor);
+	tmp += registers.i8;
+	tmp += int8_t(-40);
+	tmp += i8vec4(-50);
+	tmp += i8vec4(10, 20, 30, 40);
+	tmp += ssbo.i8[4];
+	tmp += ubo.i8;
+	FragColorInt = ivec4(tmp);
+}
+
+void compute_uint8()
+{
+	u8vec4 tmp = u8vec4(vColor);
+	tmp += registers.u8;
+	tmp += uint8_t(-40);
+	tmp += u8vec4(-50);
+	tmp += u8vec4(10, 20, 30, 40);
+	tmp += ssbo.u8[4];
+	tmp += ubo.u8;
+	FragColorUint = uvec4(tmp);
+}
+
+void main()
+{
+	packing_int8();
+	packing_uint8();
+	compute_int8();
+	compute_uint8();
+}