diff --git a/src/mesa/drivers/dri/i965/brw_context.c b/src/mesa/drivers/dri/i965/brw_context.c index 233c4defe5b..8aec8192f4f 100644 --- a/src/mesa/drivers/dri/i965/brw_context.c +++ b/src/mesa/drivers/dri/i965/brw_context.c @@ -599,6 +599,7 @@ brw_initialize_context_constants(struct brw_context *brw) ctx->Const.MaxClipPlanes = 8; ctx->Const.LowerTessLevel = true; + ctx->Const.LowerTCSPatchVerticesIn = brw->gen >= 8; ctx->Const.LowerTESPatchVerticesIn = true; ctx->Const.PrimitiveRestartForPatches = true; diff --git a/src/mesa/drivers/dri/i965/brw_tcs.c b/src/mesa/drivers/dri/i965/brw_tcs.c index 7fc8eb40726..8a5dd7e31cd 100644 --- a/src/mesa/drivers/dri/i965/brw_tcs.c +++ b/src/mesa/drivers/dri/i965/brw_tcs.c @@ -337,7 +337,8 @@ brw_upload_tcs_prog(struct brw_context *brw, memset(&key, 0, sizeof(key)); - key.input_vertices = ctx->TessCtrlProgram.patch_vertices; + if (brw->gen < 8 || !tcp) + key.input_vertices = ctx->TessCtrlProgram.patch_vertices; key.outputs_written = per_vertex_slots; key.patch_outputs_written = per_patch_slots; @@ -389,7 +390,8 @@ brw_tcs_precompile(struct gl_context *ctx, brw_setup_tex_for_precompile(brw, &key.tex, prog); /* Guess that the input and output patches have the same dimensionality. */ - key.input_vertices = shader_prog->TessCtrl.VerticesOut; + if (brw->gen < 8) + key.input_vertices = shader_prog->TessCtrl.VerticesOut; key.tes_primitive_mode = shader_prog->_LinkedShaders[MESA_SHADER_TESS_EVAL] ?