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glsl/int64: Fix a typo in imod64 

The zy swizzle gives us one component of quotient and one component of
remainder.  What we wanted was zw for the remainder.

Reviewed-by: Matt Turner <mattst88@gmail.com>
This commit is contained in:
Jason Ekstrand 2017-02-24 15:44:03 -08:00
parent e647c4fbd9
commit 2c58709023
2 changed files with 9 additions and 15 deletions
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22
src/compiler/glsl/builtin_int64.h
View File

@ -279,8 +279,7 @@ udiv64(void *mem_ctx, builtin_available_predicate avail)
sig_parameters.push_tail(r0035);
ir_variable *const r0036 = new(mem_ctx) ir_variable(glsl_type::uvec2_type, "d", ir_var_function_in);
sig_parameters.push_tail(r0036);
ir_variable *const r0037 = new(mem_ctx) ir_variable(glsl_type::uvec2_type, "n", ir_var_auto);
body.emit(r0037);
ir_variable *const r0037 = body.make_temp(glsl_type::uvec2_type, "n");
body.emit(assign(r0037, r0035, 0x03));
ir_variable *const r0038 = new(mem_ctx) ir_variable(glsl_type::int_type, "i", ir_var_auto);
@ -495,15 +494,13 @@ idiv64(void *mem_ctx, builtin_available_predicate avail)
ir_expression *const r0062 = less(swizzle_y(r005F), body.constant(int(0)));
body.emit(assign(r0060, nequal(r0061, r0062), 0x01));
ir_variable *const r0063 = new(mem_ctx) ir_variable(glsl_type::uvec2_type, "n", ir_var_auto);
body.emit(r0063);
ir_variable *const r0063 = body.make_temp(glsl_type::uvec2_type, "n");
ir_expression *const r0064 = expr(ir_unop_pack_int_2x32, r005E);
ir_expression *const r0065 = expr(ir_unop_abs, r0064);
ir_expression *const r0066 = expr(ir_unop_i642u64, r0065);
body.emit(assign(r0063, expr(ir_unop_unpack_uint_2x32, r0066), 0x03));
ir_variable *const r0067 = new(mem_ctx) ir_variable(glsl_type::uvec2_type, "d", ir_var_auto);
body.emit(r0067);
ir_variable *const r0067 = body.make_temp(glsl_type::uvec2_type, "d");
ir_expression *const r0068 = expr(ir_unop_pack_int_2x32, r005F);
ir_expression *const r0069 = expr(ir_unop_abs, r0068);
ir_expression *const r006A = expr(ir_unop_i642u64, r0069);
@ -740,8 +737,7 @@ umod64(void *mem_ctx, builtin_available_predicate avail)
sig_parameters.push_tail(r0096);
ir_variable *const r0097 = new(mem_ctx) ir_variable(glsl_type::uvec2_type, "d", ir_var_function_in);
sig_parameters.push_tail(r0097);
ir_variable *const r0098 = new(mem_ctx) ir_variable(glsl_type::uvec2_type, "n", ir_var_auto);
body.emit(r0098);
ir_variable *const r0098 = body.make_temp(glsl_type::uvec2_type, "n");
body.emit(assign(r0098, r0096, 0x03));
ir_variable *const r0099 = new(mem_ctx) ir_variable(glsl_type::int_type, "i", ir_var_auto);
@ -962,15 +958,13 @@ imod64(void *mem_ctx, builtin_available_predicate avail)
ir_expression *const r00C5 = less(swizzle_y(r00C2), body.constant(int(0)));
body.emit(assign(r00C3, nequal(r00C4, r00C5), 0x01));
ir_variable *const r00C6 = new(mem_ctx) ir_variable(glsl_type::uvec2_type, "n", ir_var_auto);
body.emit(r00C6);
ir_variable *const r00C6 = body.make_temp(glsl_type::uvec2_type, "n");
ir_expression *const r00C7 = expr(ir_unop_pack_int_2x32, r00C1);
ir_expression *const r00C8 = expr(ir_unop_abs, r00C7);
ir_expression *const r00C9 = expr(ir_unop_i642u64, r00C8);
body.emit(assign(r00C6, expr(ir_unop_unpack_uint_2x32, r00C9), 0x03));
ir_variable *const r00CA = new(mem_ctx) ir_variable(glsl_type::uvec2_type, "d", ir_var_auto);
body.emit(r00CA);
ir_variable *const r00CA = body.make_temp(glsl_type::uvec2_type, "d");
ir_expression *const r00CB = expr(ir_unop_pack_int_2x32, r00C2);
ir_expression *const r00CC = expr(ir_unop_abs, r00CB);
ir_expression *const r00CD = expr(ir_unop_i642u64, r00CC);
@ -1176,7 +1170,7 @@ imod64(void *mem_ctx, builtin_available_predicate avail)
/* THEN INSTRUCTIONS */
body.instructions = &f00F6->then_instructions;
ir_swizzle *const r00F7 = swizzle(r00F4, MAKE_SWIZZLE4(SWIZZLE_Z, SWIZZLE_Y, SWIZZLE_X, SWIZZLE_X), 2);
ir_swizzle *const r00F7 = swizzle(r00F4, MAKE_SWIZZLE4(SWIZZLE_Z, SWIZZLE_W, SWIZZLE_X, SWIZZLE_X), 2);
ir_expression *const r00F8 = expr(ir_unop_pack_uint_2x32, r00F7);
ir_expression *const r00F9 = expr(ir_unop_u642i64, r00F8);
ir_expression *const r00FA = neg(r00F9);
@ -1186,7 +1180,7 @@ imod64(void *mem_ctx, builtin_available_predicate avail)
/* ELSE INSTRUCTIONS */
body.instructions = &f00F6->else_instructions;
ir_swizzle *const r00FB = swizzle(r00F4, MAKE_SWIZZLE4(SWIZZLE_Z, SWIZZLE_Y, SWIZZLE_X, SWIZZLE_X), 2);
ir_swizzle *const r00FB = swizzle(r00F4, MAKE_SWIZZLE4(SWIZZLE_Z, SWIZZLE_W, SWIZZLE_X, SWIZZLE_X), 2);
body.emit(assign(r00F5, expr(ir_unop_u2i, r00FB), 0x03));

2
src/compiler/glsl/int64.glsl
View File

@ -115,7 +115,7 @@ imod64(ivec2 _n, ivec2 _d)
uvec2 n = unpackUint2x32(uint64_t(abs(packInt2x32(_n))));
uvec2 d = unpackUint2x32(uint64_t(abs(packInt2x32(_d))));
uvec2 rem = udivmod64(n, d).zy;
uvec2 rem = udivmod64(n, d).zw;
return negate ? unpackInt2x32(-int64_t(packUint2x32(rem))) : ivec2(rem);
}