wined3d: Validate ps 1.x sampler indices in shader_get_registers_used().

Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

wined3d: Validate ps 1.x sampler indices in shader_get_registers_used().
ef15e09d · Henri Verbeet · Alexandre Julliard · e27f31d1 · ef15e09d
Commit ef15e09d authored Feb 21, 2017 by Henri Verbeet Committed by Alexandre Julliard Feb 21, 2017
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shader.c dlls/wined3d/shader.c +6 -0

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--- a/dlls/wined3d/shader.c
+++ b/dlls/wined3d/shader.c
@@ -1271,6 +1271,12 @@ static HRESULT shader_get_registers_used(struct wined3d_shader *shader, const st
                {
                    unsigned int reg_idx = ins.dst[i].reg.idx[0].offset;

+                    if (reg_idx >= ARRAY_SIZE(reg_maps->resource_info))
+                    {
+                        WARN("Invalid 1.x sampler index %u.\n", reg_idx);
+                        continue;
+                    }
+
                    TRACE("Setting fake 2D resource for 1.x pixelshader.\n");
                    reg_maps->resource_info[reg_idx].type = WINED3D_SHADER_RESOURCE_TEXTURE_2D;
                    reg_maps->resource_info[reg_idx].data_type = WINED3D_DATA_FLOAT;