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- --- a/data/lib/sysresource/shader/include/v2_vpcommon.cgh
- +++ b/data/lib/sysresource/shader/include/v2_vpcommon.cgh
- @@ -12,7 +12,7 @@
- #ifdef _USE_GPROGRAM
- #define END_VP_MAIN VOUT_VALUE(instanceID) = gl_InstanceID;}
- #else
- -#define END_VP_MAIN gl_Position = vfio_position;VOUT_VALUE(instanceID) = gl_InstanceID;}
- +#define END_VP_MAIN gl_Position = vfio_position + VIN_KEEPALIVE;VOUT_VALUE(instanceID) = gl_InstanceID;}
- #endif
-
- #extension GL_ARB_explicit_attrib_location : enable
- @@ -47,6 +47,44 @@
- layout(location = 6) in vec4 vin_weights;
- #endif
-
- +/* Keep vin_* attributes alive so Mesa's cross-stage DCE cannot mark them
- + * inactive (glGetAttribLocation would return -1 -> engine "Vertex Attribute
- + * Problem" -> white screen). Each term is scaled by float(drawCount == -9999),
- + * a uniform Mesa cannot constant-fold; drawCount is always >= 0 at runtime so
- + * the terms are exactly 0.0 and rendering is unaffected. Guarded by the same
- + * #ifdefs as the declarations so only declared attributes are referenced. */
- +#ifdef _USE_NORMAL
- +#define _VKA_N + vin_normal.x
- +#else
- +#define _VKA_N
- +#endif
- +#ifdef _USE_NORMALMAP
- +#define _VKA_T + vin_tangent.x
- +#else
- +#define _VKA_T
- +#endif
- +#ifdef _USE_VP_TEXCOORD0
- +#define _VKA_U0 + vin_uv0.x
- +#else
- +#define _VKA_U0
- +#endif
- +#ifdef _USE_VP_TEXCOORD1
- +#define _VKA_U1 + vin_uv1.x
- +#else
- +#define _VKA_U1
- +#endif
- +#ifdef _USE_VP_COLOR
- +#define _VKA_C + vin_color.x
- +#else
- +#define _VKA_C
- +#endif
- +#ifdef _USE_SKINNING
- +#define _VKA_W + vin_weights.x
- +#else
- +#define _VKA_W
- +#endif
- +#define VIN_KEEPALIVE vec4((vin_position.x _VKA_N _VKA_T _VKA_U0 _VKA_U1 _VKA_C _VKA_W) * float(drawCount == -9999), 0.0, 0.0, 0.0)
- +
- /*----------- Outpt --------------*/
-
- #ifdef _USE_GPROGRAM
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