Commit 9921a236 authored by Zebediah Figura's avatar Zebediah Figura Committed by Alexandre Julliard

wined3d/glsl: Clamp ftou lower bound to zero.

Ported from 491146fa94c608c241c06114b17a3b4d8b9cea65 in vkd3d.
parent b0c31c09
......@@ -4328,7 +4328,19 @@ static void shader_glsl_to_int(const struct wined3d_shader_instruction *ins)
static void shader_glsl_to_uint(const struct wined3d_shader_instruction *ins)
{
shader_glsl_cast(ins, "uvec", "uint");
struct wined3d_string_buffer *buffer = ins->ctx->buffer;
struct glsl_src_param src_param;
unsigned int mask_size;
DWORD write_mask;
write_mask = shader_glsl_append_dst(buffer, ins);
mask_size = shader_glsl_get_write_mask_size(write_mask);
shader_glsl_add_src_param(ins, &ins->src[0], write_mask, &src_param);
if (mask_size > 1)
shader_addline(buffer, "uvec%u(max(%s, vec%u(0.0))));\n", mask_size, src_param.param_str, mask_size);
else
shader_addline(buffer, "uint(max(%s, 0)));\n", src_param.param_str);
}
static void shader_glsl_to_float(const struct wined3d_shader_instruction *ins)
......
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