From 9f67d73830f0bc0a8b08912f0fee02e3fbced655 Mon Sep 17 00:00:00 2001 From: Kenneth Graunke Date: Tue, 8 May 2012 12:04:45 -0700 Subject: [PATCH] glsl: Fix broken constant expression handling for <, <=, >, and >=. We were looping over all the vector components, but only dealing with the first one. This was masked by the fact that constant expression handling on built-ins went through custom code for the lessThan() /function/ rather than the ir_binop_less expression operator. NOTE: This is a candidate for all release branches. Reviewed-by: Ian Romanick Signed-off-by: Olivier Galibert Signed-off-by: Kenneth Graunke (cherry picked from commit f72e9b2041e294c8ac2258ff3f2b923c39cbef83) --- src/glsl/ir_constant_expression.cpp | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) diff --git a/src/glsl/ir_constant_expression.cpp b/src/glsl/ir_constant_expression.cpp index adca62e8d74..fa027232b6a 100644 --- a/src/glsl/ir_constant_expression.cpp +++ b/src/glsl/ir_constant_expression.cpp @@ -633,13 +633,13 @@ ir_expression::constant_expression_value() for (unsigned c = 0; c < op[0]->type->components(); c++) { switch (op[0]->type->base_type) { case GLSL_TYPE_UINT: - data.b[0] = op[0]->value.u[0] < op[1]->value.u[0]; + data.b[c] = op[0]->value.u[c] < op[1]->value.u[c]; break; case GLSL_TYPE_INT: - data.b[0] = op[0]->value.i[0] < op[1]->value.i[0]; + data.b[c] = op[0]->value.i[c] < op[1]->value.i[c]; break; case GLSL_TYPE_FLOAT: - data.b[0] = op[0]->value.f[0] < op[1]->value.f[0]; + data.b[c] = op[0]->value.f[c] < op[1]->value.f[c]; break; default: assert(0); @@ -669,13 +669,13 @@ ir_expression::constant_expression_value() for (unsigned c = 0; c < op[0]->type->components(); c++) { switch (op[0]->type->base_type) { case GLSL_TYPE_UINT: - data.b[0] = op[0]->value.u[0] <= op[1]->value.u[0]; + data.b[c] = op[0]->value.u[c] <= op[1]->value.u[c]; break; case GLSL_TYPE_INT: - data.b[0] = op[0]->value.i[0] <= op[1]->value.i[0]; + data.b[c] = op[0]->value.i[c] <= op[1]->value.i[c]; break; case GLSL_TYPE_FLOAT: - data.b[0] = op[0]->value.f[0] <= op[1]->value.f[0]; + data.b[c] = op[0]->value.f[c] <= op[1]->value.f[c]; break; default: assert(0); @@ -687,13 +687,13 @@ ir_expression::constant_expression_value() for (unsigned c = 0; c < op[0]->type->components(); c++) { switch (op[0]->type->base_type) { case GLSL_TYPE_UINT: - data.b[0] = op[0]->value.u[0] >= op[1]->value.u[0]; + data.b[c] = op[0]->value.u[c] >= op[1]->value.u[c]; break; case GLSL_TYPE_INT: - data.b[0] = op[0]->value.i[0] >= op[1]->value.i[0]; + data.b[c] = op[0]->value.i[c] >= op[1]->value.i[c]; break; case GLSL_TYPE_FLOAT: - data.b[0] = op[0]->value.f[0] >= op[1]->value.f[0]; + data.b[c] = op[0]->value.f[c] >= op[1]->value.f[c]; break; default: assert(0);