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rsx: Migrate vertex fetch out of the cpp file
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kd-11
kd-11
parent
89c81d9f22
commit
fb3aa9628d
4 changed files with 216 additions and 201 deletions
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@ -129,210 +129,12 @@ namespace glsl
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// Note: Tested on Mesa iris with HD 530 and compilant path works fine, may be a bug on Windows proprietary drivers
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if (!glsl4_compliant)
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{
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OS <<
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"void mov(inout uvec4 vector, const in int index, const in uint scalar)\n"
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"{\n"
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" switch(index)\n"
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" {\n"
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" case 0: vector.x = scalar; return;\n"
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" case 1: vector.y = scalar; return;\n"
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" case 2: vector.z = scalar; return;\n"
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" case 3: vector.w = scalar; return;\n"
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" }\n"
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"}\n\n"
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"uint ref(const in uvec4 vector, const in int index)\n"
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"{\n"
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" switch(index)\n"
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" {\n"
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" case 0: return vector.x;\n"
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" case 1: return vector.y;\n"
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" case 2: return vector.z;\n"
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" case 3: return vector.w;\n"
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" }\n"
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"}\n\n";
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}
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else
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{
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OS <<
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"#define mov(v, i, s) v[i] = s\n"
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"#define ref(v, i) v[i]\n\n";
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OS << "#define _INTEL_GLSL\n";
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}
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OS <<
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"struct attribute_desc\n"
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"{\n"
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" uint type;\n"
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" uint attribute_size;\n"
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" uint starting_offset;\n"
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" uint stride;\n"
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" uint frequency;\n"
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" bool swap_bytes;\n"
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" bool is_volatile;\n"
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" bool modulo;\n"
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"};\n\n"
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"uint gen_bits(const in uint x, const in uint y, const in uint z, const in uint w, const in bool swap)\n"
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"{\n"
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" return (swap) ?\n"
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" _set_bits(_set_bits(_set_bits(w, z, 8, 8), y, 16, 8), x, 24, 8) :\n"
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" _set_bits(_set_bits(_set_bits(x, y, 8, 8), z, 16, 8), w, 24, 8);\n"
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"}\n\n"
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"uint gen_bits(const in uint x, const in uint y, const in bool swap)\n"
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"{\n"
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" return (swap)? _set_bits(y, x, 8, 8) : _set_bits(x, y, 8, 8);\n"
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"}\n\n"
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// NOTE: (int(n) or int(n)) is broken on some NVIDIA and INTEL hardware when the sign bit is involved.
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// See https://github.com/RPCS3/rpcs3/issues/8990
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"vec4 sext(const in ivec4 bits)\n"
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"{\n"
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" // convert raw 16 bit values into signed 32-bit float4 counterpart\n"
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" bvec4 sign_check = lessThan(bits, ivec4(0x8000));\n"
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" return _select(bits - 65536, bits, sign_check);\n"
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"}\n\n"
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"float sext(const in int bits)\n"
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"{\n"
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" return (bits < 0x8000) ? float(bits) : float(bits - 65536); \n"
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"}\n\n"
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"vec4 fetch_attribute(const in attribute_desc desc, const in int vertex_id, usamplerBuffer input_stream)\n"
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"{\n"
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" const int elem_size_table[] = { 0, 2, 4, 2, 1, 2, 4, 1 };\n"
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" const float scaling_table[] = { 1., 32767.5, 1., 1., 255., 1., 32767., 1. };\n"
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" const int elem_size = elem_size_table[desc.type];\n"
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" const vec4 scale = scaling_table[desc.type].xxxx;\n\n"
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" uvec4 tmp, result = uvec4(0u);\n"
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" vec4 ret;\n"
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" int n, i = int((vertex_id * desc.stride) + desc.starting_offset);\n\n"
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" for (n = 0; n < desc.attribute_size; n++)\n"
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" {\n"
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" tmp.x = texelFetch(input_stream, i++).x;\n"
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" if (elem_size == 2)\n"
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" {\n"
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" tmp.y = texelFetch(input_stream, i++).x;\n"
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" tmp.x = gen_bits(tmp.x, tmp.y, desc.swap_bytes);\n"
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" }\n"
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" else if (elem_size == 4)\n"
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" {\n"
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" tmp.y = texelFetch(input_stream, i++).x;\n"
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" tmp.z = texelFetch(input_stream, i++).x;\n"
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" tmp.w = texelFetch(input_stream, i++).x;\n"
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" tmp.x = gen_bits(tmp.x, tmp.y, tmp.z, tmp.w, desc.swap_bytes);\n"
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" }\n\n"
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" mov(result, n, tmp.x);\n"
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" }\n\n"
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" // Actual decoding step is done in vector space, outside the loop\n"
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" if (desc.type == VTX_FMT_SNORM16 || desc.type == VTX_FMT_SINT16)\n"
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" {\n"
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" ret = sext(ivec4(result));\n"
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" ret = fma(vec4(0.5), vec4(desc.type == VTX_FMT_SNORM16), ret);\n"
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" }\n"
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" else if (desc.type == VTX_FMT_FLOAT32)\n"
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" {\n"
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" ret = uintBitsToFloat(result);\n"
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" }\n"
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" else if (desc.type == VTX_FMT_FLOAT16)\n"
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" {\n"
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" tmp.x = _set_bits(result.x, result.y, 16, 16);\n"
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" tmp.y = _set_bits(result.z, result.w, 16, 16);\n"
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" ret.xy = unpackHalf2x16(tmp.x);\n"
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" ret.zw = unpackHalf2x16(tmp.y);\n"
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" }\n"
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" else if (elem_size == 1) //(desc.type == VTX_FMT_UINT8 || desc.type == VTX_FMT_UNORM8)\n"
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" {\n"
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" // Ignore bswap on single byte channels\n"
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" ret = vec4(result);\n"
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" }\n"
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" else //if (desc.type == VTX_FMT_COMP32)\n"
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" {\n"
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" result = uvec4(_get_bits(result.x, 0, 11),\n"
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" _get_bits(result.x, 11, 11),\n"
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" _get_bits(result.x, 22, 10),\n"
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" uint(scale.x));\n"
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" ret = sext(ivec4(result) << ivec4(5, 5, 6, 0));\n"
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" }\n\n"
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" if (desc.attribute_size < 4)\n"
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" {\n"
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" ret.w = scale.x;\n"
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" }\n\n"
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" return ret / scale; \n"
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"}\n\n"
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"attribute_desc fetch_desc(const in int location)\n"
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"{\n"
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" // Each descriptor is 64 bits wide\n"
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" // [0-8] attribute stride\n"
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" // [8-24] attribute divisor\n"
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" // [24-27] attribute type\n"
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" // [27-30] attribute size\n"
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" // [30-31] reserved\n"
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" // [32-60] starting offset\n"
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" // [60-61] swap bytes flag\n"
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" // [61-62] volatile flag\n"
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" // [62-63] modulo enable flag\n\n";
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if (rules == glsl_rules_opengl4)
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{
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// Data is packed into a ubo
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OS <<
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" int block = (location >> 1);\n"
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" int sub_block = (location & 1) << 1;\n"
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" uvec2 attrib = uvec2(\n"
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" ref(input_attributes_blob[block], sub_block + 0),\n"
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" ref(input_attributes_blob[block], sub_block + 1));\n\n";
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}
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else
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{
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// Fetch parameters streamed separately from draw parameters
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OS <<
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" uvec2 attrib = texelFetch(vertex_layout_stream, location + int(layout_ptr_offset)).xy;\n\n";
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}
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OS <<
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" attribute_desc result;\n"
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" result.stride = _get_bits(attrib.x, 0, 8);\n"
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" result.frequency = _get_bits(attrib.x, 8, 16);\n"
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" result.type = _get_bits(attrib.x, 24, 3);\n"
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" result.attribute_size = _get_bits(attrib.x, 27, 3);\n"
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" result.starting_offset = _get_bits(attrib.y, 0, 29);\n"
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" result.swap_bytes = _test_bit(attrib.y, 29);\n"
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" result.is_volatile = _test_bit(attrib.y, 30);\n"
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" result.modulo = _test_bit(attrib.y, 31);\n"
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" return result;\n"
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"}\n\n"
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"vec4 read_location(const in int location)\n"
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"{\n"
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" attribute_desc desc = fetch_desc(location);\n"
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" int vertex_id = " << vertex_id_name << " - int(vertex_base_index);\n"
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" if (desc.frequency == 0)\n"
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" {\n"
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" vertex_id = 0;\n"
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" }\n"
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" else if (desc.modulo)\n"
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" {\n"
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" //if a vertex modifier is active; vertex_base must be 0 and is ignored\n"
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" vertex_id = (" << vertex_id_name << " + int(vertex_index_offset)) % int(desc.frequency);\n"
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" }\n"
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" else\n"
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" {\n"
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" vertex_id /= int(desc.frequency); \n"
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" }\n\n"
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" if (desc.is_volatile)\n"
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" return fetch_attribute(desc, vertex_id, volatile_input_stream);\n"
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" else\n"
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" return fetch_attribute(desc, vertex_id, persistent_input_stream);\n"
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"}\n\n";
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#include "GLSLSnippets/RSXProg/RSXVertexFetch.glsl"
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;
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}
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void insert_rop_init(std::ostream& OS)
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