wined3d: Implement SV_VertexID in GLSL backend.

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

wined3d: Implement SV_VertexID in GLSL backend.
05f6f111 · Józef Kucia · Alexandre Julliard · 2d97dbf8 · 05f6f111
Commit 05f6f111 authored May 18, 2016 by Józef Kucia Committed by Alexandre Julliard May 18, 2016
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glsl_shader.c dlls/wined3d/glsl_shader.c +4 -1

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--- a/dlls/wined3d/glsl_shader.c
+++ b/dlls/wined3d/glsl_shader.c
@@ -1914,7 +1914,10 @@ static void shader_generate_glsl_declarations(const struct wined3d_context *cont
        for (i = 0; i < shader->input_signature.element_count; ++i)
        {
            const struct wined3d_shader_signature_element *e = &shader->input_signature.elements[i];
-            if (e->sysval_semantic == WINED3D_SV_INSTANCE_ID)
+            if (e->sysval_semantic == WINED3D_SV_VERTEX_ID)
+                shader_addline(buffer, "vec4 %s_in%u = vec4(intBitsToFloat(gl_VertexID), 0.0, 0.0, 0.0);\n",
+                        prefix, e->register_idx);
+            else if (e->sysval_semantic == WINED3D_SV_INSTANCE_ID)
                shader_addline(buffer, "vec4 %s_in%u = vec4(intBitsToFloat(gl_InstanceID), 0.0, 0.0, 0.0);\n",
                        prefix, e->register_idx);
            else